/* roulang page: index */
:root {
            --brand-primary: #2B6CB0;
            --brand-primary-dark: #1F5E9E;
            --brand-primary-light: #EAF2FB;
            --brand-accent: #E85A2A;
            --brand-accent-hover: #D94A1E;
            --brand-bg: #F6F8FC;
            --brand-card: #FFFFFF;
            --brand-text: #1A2433;
            --brand-text-muted: #6B7A90;
            --brand-border: #E5EAF2;
            --brand-success: #2A9D8F;
            --brand-radius: 14px;
            --brand-radius-sm: 10px;
            --brand-radius-lg: 18px;
            --brand-shadow: 0 8px 24px rgba(15, 45, 80, 0.08);
            --brand-shadow-hover: 0 12px 32px rgba(15, 45, 80, 0.16);
            --brand-shadow-sm: 0 2px 8px rgba(15, 45, 80, 0.06);
            --brand-transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --sidebar-width: 248px;
            --navbar-mobile-height: 60px;
            --font-heading: 'PingFang SC', 'Microsoft YaHei', '思源黑体', '阿里巴巴普惠体', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
            --font-body: 'PingFang SC', 'Microsoft YaHei', '思源黑体', '阿里巴巴普惠体', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
            --font-numeric: 'DIN Alternate', 'Roboto Condensed', 'Barlow Condensed', 'PingFang SC', 'Microsoft YaHei', sans-serif;
        }

        *,
        *::before,
        *::after {
            box-sizing: border-box;
        }

        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }

        body {
            font-family: var(--font-body);
            font-size: 15px;
            line-height: 1.75;
            color: var(--brand-text);
            background-color: var(--brand-bg);
            margin: 0;
            padding: 0;
            overflow-x: hidden;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            font-family: var(--font-heading);
            font-weight: 700;
            color: var(--brand-text);
            line-height: 1.35;
            margin-top: 0;
            margin-bottom: 0.75rem;
            letter-spacing: -0.01em;
        }

        h1 {
            font-size: 2.4rem;
        }
        h2 {
            font-size: 1.75rem;
            margin-bottom: 1rem;
        }
        h3 {
            font-size: 1.2rem;
            margin-bottom: 0.6rem;
        }
        h4 {
            font-size: 1.05rem;
            margin-bottom: 0.5rem;
        }

        p {
            margin-bottom: 1rem;
            color: var(--brand-text-muted);
            line-height: 1.8;
        }

        a {
            color: var(--brand-primary);
            text-decoration: none;
            transition: var(--brand-transition);
        }
        a:hover {
            color: var(--brand-primary-dark);
            text-decoration: none;
        }
        a:focus-visible {
            outline: 2px solid var(--brand-primary);
            outline-offset: 2px;
            border-radius: 4px;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        button,
        input,
        select,
        textarea {
            font-family: var(--font-body);
            font-size: 14px;
        }
        button:focus-visible,
        input:focus-visible,
        select:focus-visible,
        textarea:focus-visible {
            outline: 2px solid var(--brand-primary);
            outline-offset: 1px;
        }

        .brand-container {
            max-width: 1240px;
            margin: 0 auto;
            padding-left: 32px;
            padding-right: 32px;
        }

        /* ========== 左侧 App Shell 导航 ========== */
        .app-shell-sidebar {
            position: fixed;
            top: 0;
            left: 0;
            width: var(--sidebar-width);
            height: 100vh;
            background: var(--brand-card);
            border-right: 1px solid var(--brand-border);
            z-index: 1040;
            display: flex;
            flex-direction: column;
            padding: 20px 14px;
            overflow-y: auto;
            flex-shrink: 0;
        }
        .app-shell-sidebar .sidebar-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-family: var(--font-heading);
            font-weight: 700;
            font-size: 1.3rem;
            color: var(--brand-primary-dark);
            padding: 6px 10px 18px 10px;
            border-bottom: 1px solid var(--brand-border);
            margin-bottom: 16px;
        }
        .app-shell-sidebar .sidebar-logo i {
            font-size: 1.4rem;
            color: var(--brand-accent);
        }
        .app-shell-sidebar .sidebar-logo span {
            color: var(--brand-text);
        }
        .app-shell-sidebar nav {
            display: flex;
            flex-direction: column;
            gap: 4px;
            flex: 1;
        }
        .app-shell-sidebar nav a {
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 10px 12px;
            border-radius: var(--brand-radius-sm);
            color: var(--brand-text-muted);
            font-weight: 500;
            font-size: 14px;
            transition: var(--brand-transition);
            position: relative;
            border-left: 3px solid transparent;
        }
        .app-shell-sidebar nav a i {
            width: 20px;
            text-align: center;
            font-size: 15px;
            color: var(--brand-text-muted);
            transition: var(--brand-transition);
        }
        .app-shell-sidebar nav a:hover {
            background: var(--brand-primary-light);
            color: var(--brand-primary-dark);
        }
        .app-shell-sidebar nav a:hover i {
            color: var(--brand-primary);
        }
        .app-shell-sidebar nav a.active {
            background: var(--brand-primary-light);
            color: var(--brand-primary-dark);
            font-weight: 600;
            border-left: 3px solid var(--brand-primary);
        }
        .app-shell-sidebar nav a.active i {
            color: var(--brand-primary);
        }
        .app-shell-sidebar .sidebar-footer-meta {
            padding: 12px 10px 4px 10px;
            font-size: 11px;
            color: var(--brand-text-muted);
            border-top: 1px solid var(--brand-border);
            margin-top: 12px;
        }

        /* 移动端顶部栏 */
        .app-shell-mobile-header {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            height: var(--navbar-mobile-height);
            background: var(--brand-card);
            border-bottom: 1px solid var(--brand-border);
            z-index: 1030;
            align-items: center;
            padding: 0 16px;
            gap: 12px;
            box-shadow: 0 2px 8px rgba(15, 45, 80, 0.04);
        }
        .app-shell-mobile-header .mobile-logo {
            display: flex;
            align-items: center;
            gap: 8px;
            font-weight: 700;
            font-size: 1.15rem;
            color: var(--brand-primary-dark);
            font-family: var(--font-heading);
        }
        .app-shell-mobile-header .mobile-logo i {
            color: var(--brand-accent);
        }
        .app-shell-mobile-header .btn-menu {
            background: none;
            border: none;
            font-size: 22px;
            color: var(--brand-text);
            padding: 4px 8px;
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: center;
            transition: var(--brand-transition);
        }
        .app-shell-mobile-header .btn-menu:hover {
            color: var(--brand-primary);
        }

        /* Offcanvas 抽屉菜单 */
        .app-shell-offcanvas {
            width: 280px !important;
            background: var(--brand-card);
        }
        .app-shell-offcanvas .offcanvas-header {
            border-bottom: 1px solid var(--brand-border);
            padding: 16px 18px;
        }
        .app-shell-offcanvas .offcanvas-title {
            font-family: var(--font-heading);
            font-weight: 700;
            font-size: 1.2rem;
            color: var(--brand-primary-dark);
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .app-shell-offcanvas .offcanvas-title i {
            color: var(--brand-accent);
        }
        .app-shell-offcanvas .offcanvas-body {
            padding: 14px 12px;
            display: flex;
            flex-direction: column;
            gap: 4px;
        }
        .app-shell-offcanvas .offcanvas-body a {
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 10px 12px;
            border-radius: var(--brand-radius-sm);
            color: var(--brand-text-muted);
            font-weight: 500;
            font-size: 14px;
            transition: var(--brand-transition);
            border-left: 3px solid transparent;
        }
        .app-shell-offcanvas .offcanvas-body a i {
            width: 20px;
            text-align: center;
            color: var(--brand-text-muted);
            transition: var(--brand-transition);
        }
        .app-shell-offcanvas .offcanvas-body a:hover {
            background: var(--brand-primary-light);
            color: var(--brand-primary-dark);
        }
        .app-shell-offcanvas .offcanvas-body a.active {
            background: var(--brand-primary-light);
            color: var(--brand-primary-dark);
            border-left: 3px solid var(--brand-primary);
            font-weight: 600;
        }
        .app-shell-offcanvas .offcanvas-body a.active i {
            color: var(--brand-primary);
        }

        /* 主内容区 */
        .app-shell-main {
            margin-left: var(--sidebar-width);
            min-height: 100vh;
            display: flex;
            flex-direction: column;
        }
        .app-shell-content {
            flex: 1;
            padding-bottom: 0;
        }

        /* ========== 通用板块样式 ========== */
        .section-block {
            padding: 72px 0;
            position: relative;
        }
        .section-block.section-alt {
            background: var(--brand-card);
        }
        .section-block.section-muted {
            background: var(--brand-bg);
        }
        .section-block .section-label {
            display: inline-block;
            font-size: 12px;
            font-weight: 600;
            letter-spacing: 0.08em;
            text-transform: uppercase;
            color: var(--brand-accent);
            background: rgba(232, 90, 42, 0.08);
            padding: 4px 12px;
            border-radius: 20px;
            margin-bottom: 12px;
        }
        .section-block .section-title {
            font-size: 1.9rem;
            font-weight: 700;
            color: var(--brand-text);
            margin-bottom: 12px;
        }
        .section-block .section-desc {
            font-size: 15px;
            color: var(--brand-text-muted);
            max-width: 680px;
            line-height: 1.8;
            margin-bottom: 32px;
        }

        /* ========== 卡片 ========== */
        .brand-card {
            background: var(--brand-card);
            border-radius: var(--brand-radius);
            border: 1px solid rgba(30, 60, 100, 0.06);
            box-shadow: var(--brand-shadow);
            transition: var(--brand-transition);
            overflow: hidden;
        }
        .brand-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--brand-shadow-hover);
            border-color: rgba(43, 108, 176, 0.25);
        }
        .brand-card .card-img {
            width: 100%;
            aspect-ratio: 16/9;
            object-fit: cover;
            background: var(--brand-primary-light);
        }
        .brand-card .card-body {
            padding: 20px 22px;
        }
        .brand-card .card-title {
            font-size: 1.1rem;
            font-weight: 700;
            margin-bottom: 6px;
            color: var(--brand-text);
        }
        .brand-card .card-text {
            font-size: 14px;
            color: var(--brand-text-muted);
            line-height: 1.7;
            margin-bottom: 12px;
        }
        .brand-card .card-meta {
            display: flex;
            gap: 14px;
            font-size: 13px;
            color: var(--brand-text-muted);
            flex-wrap: wrap;
        }
        .brand-card .card-meta i {
            color: var(--brand-primary);
            margin-right: 4px;
        }

        /* ========== 按钮 ========== */
        .btn-brand {
            background: var(--brand-primary);
            color: #fff;
            border: none;
            border-radius: var(--brand-radius-sm);
            padding: 10px 22px;
            font-weight: 600;
            font-size: 14px;
            transition: var(--brand-transition);
            display: inline-flex;
            align-items: center;
            gap: 8px;
            cursor: pointer;
            text-decoration: none;
        }
        .btn-brand:hover {
            background: var(--brand-primary-dark);
            color: #fff;
            transform: translateY(-1px);
            box-shadow: 0 6px 16px rgba(43, 108, 176, 0.25);
        }
        .btn-brand:active {
            transform: translateY(0);
            box-shadow: none;
        }
        .btn-brand-outline {
            background: transparent;
            color: var(--brand-primary);
            border: 1.5px solid var(--brand-primary);
            border-radius: var(--brand-radius-sm);
            padding: 10px 22px;
            font-weight: 600;
            font-size: 14px;
            transition: var(--brand-transition);
            display: inline-flex;
            align-items: center;
            gap: 8px;
            cursor: pointer;
            text-decoration: none;
        }
        .btn-brand-outline:hover {
            background: var(--brand-primary-light);
            color: var(--brand-primary-dark);
            border-color: var(--brand-primary);
            transform: translateY(-1px);
        }
        .btn-brand-accent {
            background: var(--brand-accent);
            color: #fff;
            border: none;
            border-radius: var(--brand-radius-sm);
            padding: 10px 22px;
            font-weight: 600;
            font-size: 14px;
            transition: var(--brand-transition);
            display: inline-flex;
            align-items: center;
            gap: 8px;
            cursor: pointer;
            text-decoration: none;
        }
        .btn-brand-accent:hover {
            background: var(--brand-accent-hover);
            color: #fff;
            transform: translateY(-1px);
            box-shadow: 0 6px 16px rgba(232, 90, 42, 0.25);
        }

        /* ========== 标签/Badge ========== */
        .brand-badge {
            display: inline-block;
            padding: 4px 12px;
            border-radius: 20px;
            font-size: 12px;
            font-weight: 600;
            line-height: 1.5;
            letter-spacing: 0.02em;
        }
        .brand-badge.badge-primary {
            background: var(--brand-primary-light);
            color: var(--brand-primary-dark);
        }
        .brand-badge.badge-accent {
            background: rgba(232, 90, 42, 0.12);
            color: var(--brand-accent-hover);
        }
        .brand-badge.badge-success {
            background: rgba(42, 157, 143, 0.12);
            color: #1d7c6f;
        }
        .brand-badge.badge-neutral {
            background: #f0f2f5;
            color: var(--brand-text-muted);
        }

        /* ========== Hero + 指标看板 ========== */
        .hero-metrics-section {
            background-image: url('/assets/images/backpic/back-1.webp');
            background-size: cover;
            background-position: center;
            position: relative;
            padding: 64px 0 80px;
        }
        .hero-metrics-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: rgba(246, 248, 252, 0.92);
            z-index: 0;
        }
        .hero-metrics-section > .brand-container {
            position: relative;
            z-index: 1;
        }
        .hero-short {
            display: flex;
            flex-wrap: wrap;
            align-items: flex-start;
            gap: 24px;
            margin-bottom: 40px;
        }
        .hero-short .hero-short-text {
            flex: 1 1 480px;
        }
        .hero-short .hero-short-status {
            flex: 0 1 280px;
            background: var(--brand-card);
            border-radius: var(--brand-radius);
            padding: 20px;
            border: 1px solid var(--brand-border);
            box-shadow: var(--brand-shadow-sm);
        }
        .hero-short .hero-short-status .status-item {
            display: flex;
            justify-content: space-between;
            padding: 8px 0;
            border-bottom: 1px solid var(--brand-border);
            font-size: 13px;
            color: var(--brand-text-muted);
        }
        .hero-short .hero-short-status .status-item:last-child {
            border-bottom: none;
        }
        .hero-short .hero-short-status .status-item strong {
            color: var(--brand-text);
            font-weight: 600;
        }
        .hero-metrics-section h1 {
            font-size: 2.6rem;
            font-weight: 800;
            color: var(--brand-text);
            margin-bottom: 16px;
            letter-spacing: -0.02em;
            line-height: 1.3;
        }
        .hero-metrics-section .hero-subtitle {
            font-size: 1.05rem;
            color: var(--brand-text-muted);
            max-width: 620px;
            line-height: 1.85;
            margin-bottom: 22px;
        }
        .hero-metrics-section .hero-cta-group {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
        }
        .metric-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 18px;
            margin-top: 12px;
        }
        .metric-card {
            background: var(--brand-card);
            border-radius: var(--brand-radius);
            padding: 22px 20px;
            border: 1px solid var(--brand-border);
            box-shadow: var(--brand-shadow);
            transition: var(--brand-transition);
            border-top: 3px solid var(--brand-primary);
            position: relative;
        }
        .metric-card.metric-accent {
            border-top-color: var(--brand-accent);
        }
        .metric-card.metric-success {
            border-top-color: var(--brand-success);
        }
        .metric-card.metric-neutral {
            border-top-color: #b0c4de;
        }
        .metric-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--brand-shadow-hover);
        }
        .metric-card .metric-value {
            font-family: var(--font-numeric);
            font-size: 2.4rem;
            font-weight: 700;
            color: var(--brand-text);
            line-height: 1.2;
            margin-bottom: 4px;
            font-variant-numeric: tabular-nums;
        }
        .metric-card .metric-label {
            font-size: 13px;
            color: var(--brand-text-muted);
            font-weight: 500;
        }
        .metric-card .metric-trend {
            font-size: 12px;
            font-weight: 600;
            margin-top: 8px;
            display: inline-flex;
            align-items: center;
            gap: 4px;
        }
        .metric-card .metric-trend.trend-up {
            color: var(--brand-success);
        }
        .metric-card .metric-trend.trend-flat {
            color: var(--brand-text-muted);
        }

        /* ========== 服务矩阵 ========== */
        .service-matrix {
            display: grid;
            grid-template-columns: 1.4fr 1fr;
            gap: 20px;
            margin-bottom: 20px;
        }
        .service-matrix .service-card-large {
            grid-row: span 2;
            min-height: 420px;
        }
        .service-matrix .service-card-large .card-img {
            aspect-ratio: 16/10;
        }
        .service-matrix .service-card-standard .card-img {
            aspect-ratio: 16/8;
        }
        .service-data-band {
            background: var(--brand-primary-light);
            border-radius: var(--brand-radius);
            padding: 20px 24px;
            display: flex;
            flex-wrap: wrap;
            gap: 24px;
            align-items: center;
            justify-content: space-between;
            border: 1px solid rgba(43, 108, 176, 0.15);
            margin-top: 20px;
        }
        .service-data-band .data-band-item {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 14px;
            color: var(--brand-text-muted);
        }
        .service-data-band .data-band-item strong {
            font-family: var(--font-numeric);
            font-size: 1.6rem;
            color: var(--brand-primary-dark);
            font-weight: 700;
        }

        /* ========== 结果对比 ========== */
        .comparison-table-wrapper {
            overflow-x: auto;
            border-radius: var(--brand-radius);
            box-shadow: var(--brand-shadow);
            border: 1px solid var(--brand-border);
            background: var(--brand-card);
        }
        .comparison-table {
            width: 100%;
            min-width: 640px;
            border-collapse: collapse;
            font-size: 14px;
        }
        .comparison-table thead th {
            background: var(--brand-primary-light);
            color: var(--brand-primary-dark);
            font-weight: 700;
            padding: 14px 18px;
            text-align: left;
            border-bottom: 2px solid var(--brand-primary);
            font-size: 14px;
            letter-spacing: 0.02em;
        }
        .comparison-table tbody td {
            padding: 14px 18px;
            border-bottom: 1px solid var(--brand-border);
            color: var(--brand-text-muted);
            vertical-align: top;
        }
        .comparison-table tbody tr:last-child td {
            border-bottom: none;
        }
        .comparison-table tbody tr:hover td {
            background: #fafcfe;
        }
        .comparison-table tbody td:first-child {
            font-weight: 600;
            color: var(--brand-text);
        }
        .comparison-check {
            color: var(--brand-success);
            font-weight: 600;
        }
        .comparison-diff {
            color: var(--brand-accent-hover);
            font-weight: 600;
        }

        /* ========== 深度内容区 ========== */
        .deep-content-section {
            background: var(--brand-card);
            border-radius: var(--brand-radius-lg);
            padding: 36px 40px;
            border: 1px solid var(--brand-border);
            box-shadow: var(--brand-shadow-sm);
            margin-bottom: 24px;
        }
        .deep-content-section .deep-content-title {
            font-size: 1.4rem;
            font-weight: 700;
            margin-bottom: 16px;
            display: flex;
            align-items: center;
            gap: 10px;
            color: var(--brand-text);
        }
        .deep-content-section .deep-content-title i {
            color: var(--brand-primary);
            font-size: 1.3rem;
        }
        .deep-content-section h4 {
            font-size: 1.05rem;
            font-weight: 700;
            margin-top: 20px;
            margin-bottom: 8px;
            color: var(--brand-text);
        }
        .deep-content-section ul,
        .deep-content-section ol {
            padding-left: 1.5rem;
            margin-bottom: 16px;
            color: var(--brand-text-muted);
        }
        .deep-content-section li {
            margin-bottom: 6px;
            line-height: 1.8;
        }
        .deep-content-section blockquote {
            border-left: 3px solid var(--brand-primary);
            padding: 12px 20px;
            background: var(--brand-primary-light);
            border-radius: 0 var(--brand-radius-sm) var(--brand-radius-sm) 0;
            margin: 16px 0;
            font-style: normal;
            color: var(--brand-text);
            font-size: 14px;
        }

        /* ========== 新闻中心 ========== */
        .news-list {
            display: flex;
            flex-direction: column;
            gap: 0;
        }
        .news-item {
            display: flex;
            gap: 20px;
            padding: 18px 0;
            border-bottom: 1px solid var(--brand-border);
            transition: var(--brand-transition);
            align-items: flex-start;
        }
        .news-item:last-child {
            border-bottom: none;
        }
        .news-item:hover {
            padding-left: 8px;
        }
        .news-item .news-date {
            flex: 0 0 90px;
            font-size: 13px;
            color: var(--brand-text-muted);
            font-weight: 500;
            padding-top: 2px;
            font-family: var(--font-numeric);
        }
        .news-item .news-content {
            flex: 1;
        }
        .news-item .news-content .news-title {
            font-weight: 600;
            font-size: 15px;
            color: var(--brand-text);
            margin-bottom: 4px;
            transition: var(--brand-transition);
        }
        .news-item:hover .news-content .news-title {
            color: var(--brand-primary);
        }
        .news-item .news-content .news-summary {
            font-size: 13.5px;
            color: var(--brand-text-muted);
            line-height: 1.75;
            margin-bottom: 8px;
        }

        /* ========== FAQ ========== */
        .accordion-brand .accordion-item {
            border: 1px solid var(--brand-border);
            border-radius: var(--brand-radius-sm) !important;
            margin-bottom: 10px;
            overflow: hidden;
            background: var(--brand-card);
            box-shadow: var(--brand-shadow-sm);
            transition: var(--brand-transition);
        }
        .accordion-brand .accordion-item:hover {
            border-color: rgba(43, 108, 176, 0.3);
        }
        .accordion-brand .accordion-header {
            margin: 0;
        }
        .accordion-brand .accordion-button {
            background: var(--brand-card);
            color: var(--brand-text);
            font-weight: 600;
            font-size: 15px;
            padding: 16px 20px;
            border: none;
            box-shadow: none;
            transition: var(--brand-transition);
        }
        .accordion-brand .accordion-button:not(.collapsed) {
            background: var(--brand-primary-light);
            color: var(--brand-primary-dark);
            border-left: 3px solid var(--brand-primary);
            box-shadow: none;
        }
        .accordion-brand .accordion-button:focus {
            box-shadow: none;
            border-color: transparent;
        }
        .accordion-brand .accordion-button:not(.collapsed)::after {
            filter: none;
        }
        .accordion-brand .accordion-body {
            font-size: 15px;
            line-height: 1.8;
            color: var(--brand-text-muted);
            padding: 16px 20px 18px;
            background: #fafcfe;
        }

        /* ========== 转化表单 ========== */
        .cta-form-section {
            background: linear-gradient(135deg, var(--brand-primary-light) 0%, #f0f5fa 100%);
            padding: 64px 0;
            border-radius: 0;
        }
        .cta-form-section .cta-form-grid {
            display: grid;
            grid-template-columns: 1fr 1.2fr;
            gap: 36px;
            align-items: center;
        }
        .cta-form-section .cta-form-text h2 {
            font-size: 1.8rem;
            margin-bottom: 12px;
        }
        .cta-form-section .cta-form-text p {
            font-size: 15px;
            line-height: 1.8;
            margin-bottom: 0;
        }
        .cta-form-card {
            background: var(--brand-card);
            border-radius: var(--brand-radius-lg);
            padding: 30px;
            border: 1px solid var(--brand-border);
            box-shadow: var(--brand-shadow);
        }
        .cta-form-card .form-label {
            font-weight: 600;
            font-size: 13px;
            color: var(--brand-text);
            margin-bottom: 4px;
        }
        .cta-form-card .form-control,
        .cta-form-card .form-select {
            border-radius: var(--brand-radius-sm);
            border: 1px solid var(--brand-border);
            padding: 10px 14px;
            font-size: 14px;
            color: var(--brand-text);
            transition: var(--brand-transition);
            background: #fafcfe;
        }
        .cta-form-card .form-control:focus,
        .cta-form-card .form-select:focus {
            border-color: var(--brand-primary);
            box-shadow: 0 0 0 3px rgba(43, 108, 176, 0.12);
            background: #fff;
        }
        .cta-form-card textarea.form-control {
            min-height: 90px;
            resize: vertical;
        }

        /* ========== 专题入口/片单分区 ========== */
        .topic-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 16px;
        }
        .topic-card {
            background: var(--brand-card);
            border-radius: var(--brand-radius);
            padding: 20px;
            text-align: center;
            border: 1px solid var(--brand-border);
            box-shadow: var(--brand-shadow-sm);
            transition: var(--brand-transition);
            cursor: pointer;
            text-decoration: none;
            color: var(--brand-text);
            display: block;
        }
        .topic-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--brand-shadow);
            border-color: rgba(43, 108, 176, 0.3);
            color: var(--brand-primary-dark);
        }
        .topic-card i {
            font-size: 2rem;
            color: var(--brand-primary);
            margin-bottom: 10px;
            display: block;
        }
        .topic-card .topic-name {
            font-weight: 600;
            font-size: 14px;
            color: var(--brand-text);
        }

        /* ========== 渠道卖点/三步上手 ========== */
        .steps-row {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
            gap: 20px;
        }
        .step-card {
            background: var(--brand-card);
            border-radius: var(--brand-radius);
            padding: 24px 20px;
            border: 1px solid var(--brand-border);
            box-shadow: var(--brand-shadow-sm);
            text-align: center;
            transition: var(--brand-transition);
        }
        .step-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--brand-shadow);
        }
        .step-card .step-num {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 42px;
            height: 42px;
            border-radius: 50%;
            background: var(--brand-primary);
            color: #fff;
            font-weight: 700;
            font-size: 18px;
            margin-bottom: 12px;
            font-family: var(--font-numeric);
        }
        .step-card .step-num.step-num-accent {
            background: var(--brand-accent);
        }
        .step-card h3 {
            font-size: 1rem;
            margin-bottom: 6px;
        }
        .step-card p {
            font-size: 13.5px;
            margin-bottom: 0;
        }

        /* ========== 评价墙 ========== */
        .review-wall {
            display: grid;
            grid-template-columns: 0.8fr 2fr;
            gap: 24px;
            align-items: start;
        }
        .review-summary {
            background: var(--brand-card);
            border-radius: var(--brand-radius);
            padding: 24px;
            border: 1px solid var(--brand-border);
            box-shadow: var(--brand-shadow-sm);
            text-align: center;
        }
        .review-summary .review-score {
            font-family: var(--font-numeric);
            font-size: 3rem;
            font-weight: 700;
            color: var(--brand-primary-dark);
            line-height: 1.1;
        }
        .review-summary .review-stars {
            color: #f5a623;
            font-size: 1.1rem;
            margin: 8px 0;
        }
        .review-list {
            display: flex;
            flex-direction: column;
            gap: 14px;
        }
        .review-item {
            background: var(--brand-card);
            border-radius: var(--brand-radius);
            padding: 18px 20px;
            border: 1px solid var(--brand-border);
            box-shadow: var(--brand-shadow-sm);
        }
        .review-item .review-meta {
            display: flex;
            justify-content: space-between;
            font-size: 13px;
            color: var(--brand-text-muted);
            margin-bottom: 8px;
        }
        .review-item .review-meta .review-stars-sm {
            color: #f5a623;
        }
        .review-item p {
            font-size: 14px;
            margin-bottom: 0;
            color: var(--brand-text-muted);
        }

        /* ========== 页脚 ========== */
        .app-shell-footer {
            background: #1A2433;
            color: rgba(255, 255, 255, 0.72);
            padding: 40px 0 28px;
            margin-top: 0;
        }
        .app-shell-footer .footer-brand {
            font-family: var(--font-heading);
            font-weight: 700;
            font-size: 1.3rem;
            color: #fff;
            display: flex;
            align-items: center;
            gap: 8px;
            margin-bottom: 12px;
        }
        .app-shell-footer .footer-brand i {
            color: var(--brand-accent);
        }
        .app-shell-footer .footer-text {
            font-size: 13px;
            line-height: 1.8;
            color: rgba(255, 255, 255, 0.6);
            max-width: 500px;
        }
        .app-shell-footer .footer-links {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            margin-top: 16px;
            padding-top: 16px;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
        }
        .app-shell-footer .footer-links a {
            color: rgba(255, 255, 255, 0.65);
            font-size: 13px;
            transition: var(--brand-transition);
        }
        .app-shell-footer .footer-links a:hover {
            color: #fff;
        }
        .app-shell-footer .footer-copyright {
            font-size: 13px;
            color: rgba(255, 255, 255, 0.5);
            margin-top: 12px;
            line-height: 1.8;
        }
        .app-shell-footer .footer-copyright a {
            color: rgba(255, 255, 255, 0.5);
            text-decoration: none;
            transition: var(--brand-transition);
        }
        .app-shell-footer .footer-copyright a:hover {
            color: #fff;
        }

        /* ========== 响应式 ========== */
        @media (max-width: 1199.98px) {
            .brand-container {
                padding-left: 24px;
                padding-right: 24px;
            }
            .section-block {
                padding: 56px 0;
            }
            .hero-metrics-section h1 {
                font-size: 2.2rem;
            }
        }

        @media (max-width: 991.98px) {
            .app-shell-sidebar {
                display: none;
            }
            .app-shell-mobile-header {
                display: flex;
            }
            .app-shell-main {
                margin-left: 0;
                padding-top: var(--navbar-mobile-height);
            }
            .service-matrix {
                grid-template-columns: 1fr;
            }
            .service-matrix .service-card-large {
                grid-row: auto;
                min-height: auto;
            }
            .cta-form-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .review-wall {
                grid-template-columns: 1fr;
            }
            .hero-metrics-section h1 {
                font-size: 2rem;
            }
        }

        @media (max-width: 767.98px) {
            .brand-container {
                padding-left: 16px;
                padding-right: 16px;
            }
            .section-block {
                padding: 40px 0;
            }
            .hero-metrics-section {
                padding: 40px 0 52px;
            }
            .hero-metrics-section h1 {
                font-size: 1.7rem;
            }
            .hero-metrics-section .hero-subtitle {
                font-size: 0.95rem;
            }
            .metric-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 12px;
            }
            .metric-card .metric-value {
                font-size: 1.8rem;
            }
            .deep-content-section {
                padding: 24px 20px;
            }
            .section-block .section-title {
                font-size: 1.5rem;
            }
            .news-item {
                flex-direction: column;
                gap: 6px;
            }
            .news-item .news-date {
                flex: 0 0 auto;
            }
            .cta-form-card {
                padding: 20px;
            }
            .steps-row {
                grid-template-columns: 1fr;
            }
            .topic-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 519.98px) {
            .metric-grid {
                grid-template-columns: 1fr;
            }
            .topic-grid {
                grid-template-columns: 1fr;
            }
            .hero-short {
                flex-direction: column;
            }
            .hero-short .hero-short-status {
                flex: 1 1 auto;
                width: 100%;
            }
            .hero-metrics-section .hero-cta-group {
                flex-direction: column;
                gap: 10px;
            }
            .hero-metrics-section .hero-cta-group .btn {
                width: 100%;
                justify-content: center;
            }
            .app-shell-footer {
                padding: 28px 0 20px;
            }
            .app-shell-footer .footer-links {
                gap: 10px;
            }
        }

/* roulang page: category1 */
:root {
            --brand-primary: #2B6CB0;
            --brand-primary-dark: #1F5E9E;
            --brand-primary-light: #EAF2FB;
            --brand-accent: #E85A2A;
            --brand-accent-hover: #D94A1E;
            --brand-bg: #F6F8FC;
            --brand-card: #FFFFFF;
            --brand-text: #1A2433;
            --brand-text-muted: #6B7A90;
            --brand-border: #E5EAF2;
            --brand-success: #2A9D8F;
            --brand-radius: 14px;
            --brand-radius-sm: 10px;
            --brand-radius-lg: 18px;
            --brand-shadow: 0 8px 24px rgba(15, 45, 80, 0.08);
            --brand-shadow-hover: 0 12px 32px rgba(15, 45, 80, 0.16);
            --brand-shadow-sm: 0 2px 8px rgba(15, 45, 80, 0.06);
            --brand-transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --sidebar-width: 248px;
            --navbar-mobile-height: 60px;
            --font-heading: 'PingFang SC', 'Microsoft YaHei', '思源黑体', '阿里巴巴普惠体', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
            --font-body: 'PingFang SC', 'Microsoft YaHei', '思源黑体', '阿里巴巴普惠体', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
            --font-numeric: 'DIN Alternate', 'Roboto Condensed', 'Barlow Condensed', 'PingFang SC', 'Microsoft YaHei', sans-serif;
        }

        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }

        body {
            font-family: var(--font-body);
            font-size: 15px;
            line-height: 1.75;
            color: var(--brand-text);
            background-color: var(--brand-bg);
            margin: 0;
            padding: 0;
            overflow-x: hidden;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        a {
            color: var(--brand-primary);
            text-decoration: none;
            transition: var(--brand-transition);
        }
        a:hover {
            color: var(--brand-primary-dark);
            text-decoration: none;
        }
        a:focus-visible {
            outline: 2px solid var(--brand-primary);
            outline-offset: 2px;
            border-radius: 4px;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        button, input, select, textarea {
            font-family: var(--font-body);
            font-size: 14px;
        }
        button:focus-visible, input:focus-visible, select:focus-visible, textarea:focus-visible {
            outline: 2px solid var(--brand-primary);
            outline-offset: 1px;
        }

        .brand-container {
            max-width: 1240px;
            margin: 0 auto;
            padding-left: 32px;
            padding-right: 32px;
        }

        /* 左侧导航 */
        .app-shell-sidebar {
            position: fixed;
            top: 0;
            left: 0;
            width: var(--sidebar-width);
            height: 100vh;
            background: var(--brand-card);
            border-right: 1px solid var(--brand-border);
            z-index: 1040;
            display: flex;
            flex-direction: column;
            padding: 18px 14px 12px 14px;
            box-shadow: 0 0 16px rgba(15, 45, 80, 0.04);
        }
        .app-shell-sidebar .sidebar-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-family: var(--font-heading);
            font-weight: 700;
            font-size: 1.3rem;
            color: var(--brand-primary-dark);
            padding: 6px 10px 18px 10px;
            border-bottom: 1px solid var(--brand-border);
            margin-bottom: 16px;
        }
        .app-shell-sidebar .sidebar-logo i {
            font-size: 1.4rem;
            color: var(--brand-accent);
        }
        .app-shell-sidebar .sidebar-logo span {
            color: var(--brand-text);
        }
        .app-shell-sidebar nav {
            display: flex;
            flex-direction: column;
            gap: 4px;
            flex: 1;
        }
        .app-shell-sidebar nav a {
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 10px 12px;
            border-radius: var(--brand-radius-sm);
            color: var(--brand-text-muted);
            font-weight: 500;
            font-size: 14px;
            transition: var(--brand-transition);
            position: relative;
            border-left: 3px solid transparent;
        }
        .app-shell-sidebar nav a i {
            width: 20px;
            text-align: center;
            font-size: 15px;
            color: var(--brand-text-muted);
            transition: var(--brand-transition);
        }
        .app-shell-sidebar nav a:hover {
            background: var(--brand-primary-light);
            color: var(--brand-primary-dark);
        }
        .app-shell-sidebar nav a:hover i {
            color: var(--brand-primary);
        }
        .app-shell-sidebar nav a.active {
            background: var(--brand-primary-light);
            color: var(--brand-primary-dark);
            font-weight: 600;
            border-left: 3px solid var(--brand-primary);
        }
        .app-shell-sidebar nav a.active i {
            color: var(--brand-primary);
        }
        .app-shell-sidebar .sidebar-footer-meta {
            padding: 12px 10px 4px 10px;
            font-size: 11px;
            color: var(--brand-text-muted);
            border-top: 1px solid var(--brand-border);
            margin-top: 12px;
        }

        /* 移动端顶部栏 */
        .app-shell-mobile-header {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            height: var(--navbar-mobile-height);
            background: var(--brand-card);
            border-bottom: 1px solid var(--brand-border);
            z-index: 1030;
            align-items: center;
            padding: 0 16px;
            gap: 12px;
            box-shadow: 0 2px 8px rgba(15, 45, 80, 0.04);
        }
        .app-shell-mobile-header .mobile-logo {
            display: flex;
            align-items: center;
            gap: 8px;
            font-weight: 700;
            font-size: 1.15rem;
            color: var(--brand-primary-dark);
        }
        .app-shell-mobile-header .mobile-logo i {
            color: var(--brand-accent);
            font-size: 1.2rem;
        }
        .app-shell-mobile-header .btn-menu {
            background: none;
            border: none;
            font-size: 1.3rem;
            color: var(--brand-text);
            padding: 4px 8px;
            cursor: pointer;
        }
        .app-shell-mobile-header .btn-menu:hover {
            color: var(--brand-primary);
        }

        /* 主内容区 */
        .app-shell-main {
            margin-left: var(--sidebar-width);
            min-height: 100vh;
            padding-top: 0;
        }

        /* Offcanvas 移动抽屉 */
        .offcanvas-sidebar {
            width: 280px !important;
            background: var(--brand-card);
        }
        .offcanvas-sidebar .offcanvas-header {
            border-bottom: 1px solid var(--brand-border);
            padding: 16px;
        }
        .offcanvas-sidebar .offcanvas-header .sidebar-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-family: var(--font-heading);
            font-weight: 700;
            font-size: 1.25rem;
            color: var(--brand-primary-dark);
        }
        .offcanvas-sidebar .offcanvas-header .sidebar-logo i {
            color: var(--brand-accent);
        }
        .offcanvas-sidebar .offcanvas-body {
            padding: 14px;
        }
        .offcanvas-sidebar .offcanvas-body nav {
            display: flex;
            flex-direction: column;
            gap: 4px;
        }
        .offcanvas-sidebar .offcanvas-body nav a {
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 10px 12px;
            border-radius: var(--brand-radius-sm);
            color: var(--brand-text-muted);
            font-weight: 500;
            font-size: 14px;
            transition: var(--brand-transition);
            border-left: 3px solid transparent;
        }
        .offcanvas-sidebar .offcanvas-body nav a i {
            width: 20px;
            text-align: center;
            font-size: 15px;
            color: var(--brand-text-muted);
        }
        .offcanvas-sidebar .offcanvas-body nav a:hover {
            background: var(--brand-primary-light);
            color: var(--brand-primary-dark);
        }
        .offcanvas-sidebar .offcanvas-body nav a.active {
            background: var(--brand-primary-light);
            color: var(--brand-primary-dark);
            font-weight: 600;
            border-left: 3px solid var(--brand-primary);
        }
        .offcanvas-sidebar .offcanvas-body nav a.active i {
            color: var(--brand-primary);
        }

        /* Hero 区域 */
        .category-hero {
            background-image: linear-gradient(rgba(246, 248, 252, 0.88), rgba(246, 248, 252, 0.92)), url('/assets/images/backpic/back-1.webp');
            background-size: cover;
            background-position: center;
            border-bottom: 1px solid var(--brand-border);
            padding: 56px 0 40px 0;
            position: relative;
        }
        .category-hero .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: var(--brand-primary-light);
            color: var(--brand-primary-dark);
            font-size: 12px;
            font-weight: 600;
            padding: 6px 14px;
            border-radius: 20px;
            margin-bottom: 16px;
            letter-spacing: 0.5px;
        }
        .category-hero h1 {
            font-family: var(--font-heading);
            font-size: 2.1rem;
            font-weight: 700;
            color: var(--brand-text);
            margin-bottom: 12px;
            line-height: 1.3;
        }
        .category-hero .hero-subtitle {
            font-size: 1.05rem;
            color: var(--brand-text-muted);
            max-width: 720px;
            line-height: 1.8;
        }
        .category-hero .hero-actions {
            margin-top: 22px;
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
        }

        /* 按钮 */
        .btn-brand {
            background: var(--brand-primary);
            color: #fff;
            border: none;
            border-radius: var(--brand-radius-sm);
            padding: 10px 22px;
            font-weight: 600;
            font-size: 14px;
            transition: var(--brand-transition);
            display: inline-flex;
            align-items: center;
            gap: 8px;
            letter-spacing: 0.3px;
            box-shadow: 0 2px 8px rgba(43, 108, 176, 0.2);
        }
        .btn-brand:hover {
            background: var(--brand-primary-dark);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 6px 16px rgba(43, 108, 176, 0.28);
        }
        .btn-brand:focus-visible {
            outline: 2px solid var(--brand-primary);
            outline-offset: 2px;
        }
        .btn-outline-brand {
            background: transparent;
            color: var(--brand-primary);
            border: 1px solid var(--brand-primary);
            border-radius: var(--brand-radius-sm);
            padding: 10px 22px;
            font-weight: 600;
            font-size: 14px;
            transition: var(--brand-transition);
            display: inline-flex;
            align-items: center;
            gap: 8px;
            letter-spacing: 0.3px;
        }
        .btn-outline-brand:hover {
            background: var(--brand-primary-light);
            color: var(--brand-primary-dark);
            border-color: var(--brand-primary);
            transform: translateY(-2px);
        }
        .btn-outline-brand:focus-visible {
            outline: 2px solid var(--brand-primary);
            outline-offset: 2px;
        }

        /* 区块通用 */
        .section-block {
            padding: 64px 0;
        }
        .section-block-sm {
            padding: 40px 0;
        }
        .section-title {
            font-family: var(--font-heading);
            font-size: 1.6rem;
            font-weight: 700;
            color: var(--brand-text);
            margin-bottom: 8px;
            line-height: 1.35;
        }
        .section-subtitle {
            font-size: 15px;
            color: var(--brand-text-muted);
            line-height: 1.8;
            margin-bottom: 32px;
        }
        .section-heading-wrap {
            margin-bottom: 36px;
        }
        .section-heading-wrap .section-title {
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .section-heading-wrap .section-title i {
            color: var(--brand-accent);
            font-size: 1.3rem;
        }

        /* 指标看板 */
        .kpi-row {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 16px;
            margin-top: 12px;
        }
        .kpi-card {
            background: var(--brand-card);
            border: 1px solid var(--brand-border);
            border-radius: var(--brand-radius);
            padding: 20px;
            box-shadow: var(--brand-shadow-sm);
            transition: var(--brand-transition);
            position: relative;
            overflow: hidden;
        }
        .kpi-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 3px;
            background: var(--brand-primary);
            border-radius: var(--brand-radius) var(--brand-radius) 0 0;
        }
        .kpi-card.kpi-accent::before {
            background: var(--brand-accent);
        }
        .kpi-card.kpi-success::before {
            background: var(--brand-success);
        }
        .kpi-card .kpi-value {
            font-family: var(--font-numeric);
            font-size: 1.9rem;
            font-weight: 700;
            color: var(--brand-text);
            line-height: 1.2;
            margin-bottom: 4px;
            letter-spacing: 0.5px;
        }
        .kpi-card .kpi-label {
            font-size: 13px;
            color: var(--brand-text-muted);
            font-weight: 500;
        }
        .kpi-card .kpi-change {
            display: inline-block;
            font-size: 12px;
            font-weight: 600;
            color: var(--brand-success);
            margin-top: 6px;
        }
        .kpi-card .kpi-change.negative {
            color: var(--brand-accent);
        }

        /* 筛选工具条 */
        .filter-toolbar {
            display: flex;
            align-items: center;
            gap: 12px;
            flex-wrap: wrap;
            background: var(--brand-card);
            border: 1px solid var(--brand-border);
            border-radius: var(--brand-radius);
            padding: 14px 18px;
            margin-bottom: 28px;
            box-shadow: var(--brand-shadow-sm);
        }
        .filter-toolbar .filter-group {
            display: flex;
            align-items: center;
            gap: 8px;
            flex-wrap: wrap;
        }
        .filter-toolbar .filter-label {
            font-size: 13px;
            color: var(--brand-text-muted);
            font-weight: 600;
            white-space: nowrap;
        }
        .filter-toolbar .form-select,
        .filter-toolbar .form-control {
            border-radius: var(--brand-radius-sm);
            border: 1px solid var(--brand-border);
            font-size: 13px;
            padding: 7px 12px;
            min-width: 120px;
            background-color: var(--brand-card);
            color: var(--brand-text);
            transition: var(--brand-transition);
        }
        .filter-toolbar .form-select:focus,
        .filter-toolbar .form-control:focus {
            border-color: var(--brand-primary);
            box-shadow: 0 0 0 3px rgba(43, 108, 176, 0.1);
        }
        .filter-toolbar .filter-tag {
            display: inline-block;
            background: var(--brand-bg);
            border: 1px solid var(--brand-border);
            border-radius: 20px;
            padding: 5px 14px;
            font-size: 12px;
            color: var(--brand-text-muted);
            cursor: pointer;
            transition: var(--brand-transition);
            white-space: nowrap;
        }
        .filter-toolbar .filter-tag:hover {
            background: var(--brand-primary-light);
            color: var(--brand-primary-dark);
            border-color: var(--brand-primary-light);
        }
        .filter-toolbar .filter-tag.active-tag {
            background: var(--brand-primary);
            color: #fff;
            border-color: var(--brand-primary);
        }

        /* 列表卡片区 */
        .live-card-list {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 20px;
        }
        .live-card-list .live-card:nth-child(3) {
            grid-column: span 2;
        }
        .live-card {
            background: var(--brand-card);
            border: 1px solid var(--brand-border);
            border-radius: var(--brand-radius);
            overflow: hidden;
            box-shadow: var(--brand-shadow-sm);
            transition: var(--brand-transition);
            display: flex;
            flex-direction: column;
        }
        .live-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--brand-shadow-hover);
            border-color: rgba(43, 108, 176, 0.2);
        }
        .live-card .card-image-wrap {
            position: relative;
            aspect-ratio: 16 / 9;
            overflow: hidden;
            background: var(--brand-bg);
        }
        .live-card .card-image-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: var(--brand-transition);
        }
        .live-card:hover .card-image-wrap img {
            transform: scale(1.03);
        }
        .live-card .card-image-wrap .live-badge {
            position: absolute;
            top: 12px;
            left: 12px;
            background: var(--brand-accent);
            color: #fff;
            font-size: 11px;
            font-weight: 600;
            padding: 4px 10px;
            border-radius: 4px;
            letter-spacing: 0.3px;
        }
        .live-card .card-body-content {
            padding: 20px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .live-card .card-body-content .card-meta {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 12px;
            color: var(--brand-text-muted);
            margin-bottom: 10px;
            flex-wrap: wrap;
        }
        .live-card .card-body-content .card-meta span {
            display: inline-flex;
            align-items: center;
            gap: 4px;
        }
        .live-card .card-body-content h3 {
            font-family: var(--font-heading);
            font-size: 1.1rem;
            font-weight: 600;
            color: var(--brand-text);
            margin-bottom: 8px;
            line-height: 1.5;
        }
        .live-card .card-body-content p {
            font-size: 14px;
            color: var(--brand-text-muted);
            line-height: 1.8;
            flex: 1;
            margin-bottom: 14px;
        }
        .live-card .card-body-content .card-link {
            font-size: 13px;
            font-weight: 600;
            color: var(--brand-primary);
            display: inline-flex;
            align-items: center;
            gap: 6px;
            transition: var(--brand-transition);
        }
        .live-card .card-body-content .card-link:hover {
            color: var(--brand-primary-dark);
            gap: 10px;
        }

        /* 比赛格子（大卡） */
        .live-card.live-card-wide {
            grid-column: span 2;
            flex-direction: row;
        }
        .live-card.live-card-wide .card-image-wrap {
            width: 40%;
            aspect-ratio: auto;
            min-height: 220px;
        }
        .live-card.live-card-wide .card-body-content {
            width: 60%;
        }

        /* 深度内容区 */
        .deep-content {
            background: var(--brand-card);
            border: 1px solid var(--brand-border);
            border-radius: var(--brand-radius-lg);
            padding: 36px 40px;
            box-shadow: var(--brand-shadow-sm);
        }
        .deep-content h3 {
            font-family: var(--font-heading);
            font-size: 1.3rem;
            font-weight: 700;
            color: var(--brand-text);
            margin-bottom: 12px;
            line-height: 1.4;
        }
        .deep-content h4 {
            font-family: var(--font-heading);
            font-size: 1.05rem;
            font-weight: 600;
            color: var(--brand-text);
            margin-bottom: 10px;
            margin-top: 8px;
            line-height: 1.5;
        }
        .deep-content p {
            font-size: 15px;
            color: var(--brand-text-muted);
            line-height: 1.9;
            margin-bottom: 14px;
        }
        .deep-content ul {
            padding-left: 20px;
            margin-bottom: 16px;
        }
        .deep-content ul li {
            font-size: 14px;
            color: var(--brand-text-muted);
            line-height: 1.9;
            margin-bottom: 6px;
        }
        .deep-content blockquote {
            border-left: 3px solid var(--brand-primary);
            padding: 12px 18px;
            background: var(--brand-primary-light);
            border-radius: 0 var(--brand-radius-sm) var(--brand-radius-sm) 0;
            margin: 16px 0;
            font-size: 14px;
            color: var(--brand-text);
            line-height: 1.8;
        }

        /* FAQ */
        .accordion-brand .accordion-item {
            border: 1px solid var(--brand-border);
            border-radius: var(--brand-radius-sm) !important;
            margin-bottom: 12px;
            overflow: hidden;
            background: var(--brand-card);
            box-shadow: var(--brand-shadow-sm);
            transition: var(--brand-transition);
        }
        .accordion-brand .accordion-item:hover {
            box-shadow: var(--brand-shadow-sm);
            border-color: rgba(43, 108, 176, 0.2);
        }
        .accordion-brand .accordion-header .accordion-button {
            background: var(--brand-card);
            color: var(--brand-text);
            font-weight: 600;
            font-size: 15px;
            padding: 16px 20px;
            border: none;
            border-radius: var(--brand-radius-sm) !important;
            transition: var(--brand-transition);
            display: flex;
            align-items: center;
            gap: 10px;
            box-shadow: none;
        }
        .accordion-brand .accordion-header .accordion-button:not(.collapsed) {
            background: var(--brand-primary-light);
            color: var(--brand-primary-dark);
            border-left: 3px solid var(--brand-primary);
            box-shadow: none;
        }
        .accordion-brand .accordion-header .accordion-button:focus {
            box-shadow: none;
            outline: 2px solid var(--brand-primary);
            outline-offset: -2px;
        }
        .accordion-brand .accordion-header .accordion-button::after {
            display: none;
        }
        .accordion-brand .accordion-header .accordion-button i {
            transition: var(--brand-transition);
            font-size: 13px;
            color: var(--brand-text-muted);
        }
        .accordion-brand .accordion-header .accordion-button:not(.collapsed) i {
            transform: rotate(180deg);
            color: var(--brand-primary);
        }
        .accordion-brand .accordion-body {
            padding: 18px 20px;
            font-size: 15px;
            color: var(--brand-text-muted);
            line-height: 1.8;
            background: var(--brand-card);
            border-left: 3px solid var(--brand-primary);
            margin-left: 0;
        }

        /* 分页 */
        .pagination-brand {
            display: flex;
            justify-content: center;
            gap: 8px;
            margin-top: 36px;
            flex-wrap: wrap;
        }
        .pagination-brand .page-link {
            border: 1px solid var(--brand-border);
            border-radius: var(--brand-radius-sm) !important;
            padding: 8px 14px;
            font-size: 13px;
            color: var(--brand-text-muted);
            background: var(--brand-card);
            transition: var(--brand-transition);
            min-width: 38px;
            text-align: center;
            display: inline-flex;
            align-items: center;
            justify-content: center;
        }
        .pagination-brand .page-link:hover {
            background: var(--brand-primary-light);
            color: var(--brand-primary-dark);
            border-color: var(--brand-primary-light);
        }
        .pagination-brand .page-item.active .page-link {
            background: var(--brand-primary);
            border-color: var(--brand-primary);
            color: #fff;
            font-weight: 600;
        }
        .pagination-brand .page-item.disabled .page-link {
            color: #c0c8d4;
            pointer-events: none;
        }

        /* CTA 表单 */
        .cta-section {
            background: linear-gradient(135deg, #1F5E9E 0%, #2B6CB0 60%, #3B7FC4 100%);
            border-radius: var(--brand-radius-lg);
            padding: 44px;
            color: #fff;
            position: relative;
            overflow: hidden;
            box-shadow: 0 12px 32px rgba(31, 94, 158, 0.25);
        }
        .cta-section::before {
            content: '';
            position: absolute;
            top: -80px;
            right: -80px;
            width: 260px;
            height: 260px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.06);
            pointer-events: none;
        }
        .cta-section::after {
            content: '';
            position: absolute;
            bottom: -60px;
            right: 120px;
            width: 160px;
            height: 160px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.04);
            pointer-events: none;
        }
        .cta-section .cta-title {
            font-family: var(--font-heading);
            font-size: 1.5rem;
            font-weight: 700;
            margin-bottom: 10px;
            position: relative;
            z-index: 1;
        }
        .cta-section .cta-text {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.85);
            line-height: 1.8;
            position: relative;
            z-index: 1;
            margin-bottom: 0;
        }
        .cta-section .cta-form-card {
            background: var(--brand-card);
            border-radius: var(--brand-radius);
            padding: 28px;
            box-shadow: 0 8px 24px rgba(15, 45, 80, 0.12);
            position: relative;
            z-index: 1;
        }
        .cta-section .cta-form-card .form-label {
            font-size: 13px;
            font-weight: 600;
            color: var(--brand-text);
            margin-bottom: 6px;
        }
        .cta-section .cta-form-card .form-control,
        .cta-section .cta-form-card .form-select {
            border-radius: var(--brand-radius-sm);
            border: 1px solid var(--brand-border);
            font-size: 14px;
            padding: 10px 14px;
            transition: var(--brand-transition);
            background: var(--brand-card);
            color: var(--brand-text);
        }
        .cta-section .cta-form-card .form-control:focus,
        .cta-section .cta-form-card .form-select:focus {
            border-color: var(--brand-primary);
            box-shadow: 0 0 0 3px rgba(43, 108, 176, 0.12);
        }
        .cta-section .cta-form-card textarea.form-control {
            min-height: 100px;
            resize: vertical;
        }

        /* 赛事时间线 */
        .timeline-list {
            position: relative;
            padding-left: 24px;
        }
        .timeline-list::before {
            content: '';
            position: absolute;
            left: 8px;
            top: 6px;
            bottom: 6px;
            width: 2px;
            background: var(--brand-border);
        }
        .timeline-item {
            position: relative;
            padding-left: 18px;
            margin-bottom: 22px;
        }
        .timeline-item::before {
            content: '';
            position: absolute;
            left: -24px;
            top: 6px;
            width: 12px;
            height: 12px;
            border-radius: 50%;
            background: var(--brand-primary);
            border: 3px solid var(--brand-primary-light);
            box-shadow: 0 0 0 3px rgba(43, 108, 176, 0.12);
        }
        .timeline-item .timeline-date {
            font-family: var(--font-numeric);
            font-size: 13px;
            font-weight: 600;
            color: var(--brand-primary);
            margin-bottom: 4px;
            letter-spacing: 0.3px;
        }
        .timeline-item h4 {
            font-family: var(--font-heading);
            font-size: 1.05rem;
            font-weight: 600;
            color: var(--brand-text);
            margin-bottom: 6px;
        }
        .timeline-item p {
            font-size: 14px;
            color: var(--brand-text-muted);
            line-height: 1.8;
            margin-bottom: 0;
        }

        /* 页脚 */
        .app-shell-footer {
            background: #1A2433;
            color: rgba(255, 255, 255, 0.7);
            padding: 40px 0 32px;
            margin-left: var(--sidebar-width);
        }
        .app-shell-footer .footer-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            font-family: var(--font-heading);
            font-weight: 700;
            font-size: 1.25rem;
            color: #fff;
            margin-bottom: 12px;
        }
        .app-shell-footer .footer-brand i {
            color: var(--brand-accent);
        }
        .app-shell-footer .footer-text {
            font-size: 14px;
            line-height: 1.8;
            color: rgba(255, 255, 255, 0.65);
            max-width: 520px;
            margin-bottom: 20px;
        }
        .app-shell-footer .footer-links {
            display: flex;
            gap: 18px;
            flex-wrap: wrap;
            margin-bottom: 20px;
        }
        .app-shell-footer .footer-links a {
            color: rgba(255, 255, 255, 0.65);
            font-size: 13px;
            transition: var(--brand-transition);
        }
        .app-shell-footer .footer-links a:hover {
            color: #fff;
        }
        .app-shell-footer .footer-copyright {
            font-size: 12px;
            color: rgba(255, 255, 255, 0.45);
            line-height: 1.9;
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding-top: 18px;
        }

        /* 服务矩阵网格 */
        .service-matrix {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }
        .service-matrix .matrix-card {
            background: var(--brand-card);
            border: 1px solid var(--brand-border);
            border-radius: var(--brand-radius);
            overflow: hidden;
            box-shadow: var(--brand-shadow-sm);
            transition: var(--brand-transition);
        }
        .service-matrix .matrix-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--brand-shadow-hover);
            border-color: rgba(43, 108, 176, 0.2);
        }
        .service-matrix .matrix-card .matrix-image {
            aspect-ratio: 16 / 9;
            overflow: hidden;
            background: var(--brand-bg);
        }
        .service-matrix .matrix-card .matrix-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: var(--brand-transition);
        }
        .service-matrix .matrix-card:hover .matrix-image img {
            transform: scale(1.03);
        }
        .service-matrix .matrix-card .matrix-body {
            padding: 18px 20px;
        }
        .service-matrix .matrix-card .matrix-body h4 {
            font-family: var(--font-heading);
            font-size: 1.05rem;
            font-weight: 600;
            color: var(--brand-text);
            margin-bottom: 6px;
        }
        .service-matrix .matrix-card .matrix-body p {
            font-size: 13px;
            color: var(--brand-text-muted);
            line-height: 1.7;
            margin-bottom: 10px;
        }
        .service-matrix .matrix-card .matrix-body .matrix-tag {
            font-size: 12px;
            font-weight: 600;
            color: var(--brand-primary);
            display: inline-flex;
            align-items: center;
            gap: 4px;
        }

        /* 响应式 */
        @media (max-width: 1199.98px) {
            .kpi-row {
                grid-template-columns: repeat(2, 1fr);
            }
            .live-card-list {
                grid-template-columns: repeat(2, 1fr);
            }
            .live-card-list .live-card:nth-child(3) {
                grid-column: span 2;
            }
        }

        @media (max-width: 991.98px) {
            .app-shell-sidebar {
                display: none;
            }
            .app-shell-mobile-header {
                display: flex;
            }
            .app-shell-main {
                margin-left: 0;
                padding-top: var(--navbar-mobile-height);
            }
            .app-shell-footer {
                margin-left: 0;
            }
            .category-hero {
                padding: 40px 0 32px 0;
            }
            .category-hero h1 {
                font-size: 1.7rem;
            }
            .service-matrix {
                grid-template-columns: repeat(2, 1fr);
            }
            .live-card-list {
                grid-template-columns: 1fr;
            }
            .live-card-list .live-card:nth-child(3) {
                grid-column: span 1;
            }
            .live-card.live-card-wide {
                flex-direction: column;
                grid-column: span 1;
            }
            .live-card.live-card-wide .card-image-wrap {
                width: 100%;
                min-height: auto;
                aspect-ratio: 16 / 9;
            }
            .live-card.live-card-wide .card-body-content {
                width: 100%;
            }
        }

        @media (max-width: 767.98px) {
            .brand-container {
                padding-left: 16px;
                padding-right: 16px;
            }
            .section-block {
                padding: 48px 0;
            }
            .section-block-sm {
                padding: 28px 0;
            }
            .kpi-row {
                grid-template-columns: 1fr;
                gap: 12px;
            }
            .service-matrix {
                grid-template-columns: 1fr;
            }
            .category-hero h1 {
                font-size: 1.4rem;
            }
            .category-hero .hero-subtitle {
                font-size: 0.95rem;
            }
            .deep-content {
                padding: 24px 20px;
            }
            .cta-section {
                padding: 28px 20px;
            }
            .cta-section .cta-form-card {
                padding: 20px;
                margin-top: 20px;
            }
            .filter-toolbar {
                flex-direction: column;
                align-items: stretch;
            }
            .pagination-brand .page-link {
                padding: 6px 10px;
                font-size: 12px;
                min-width: 32px;
            }
        }

        @media (max-width: 519.98px) {
            .category-hero h1 {
                font-size: 1.25rem;
            }
            .section-title {
                font-size: 1.3rem;
            }
            .live-card .card-body-content {
                padding: 16px;
            }
            .live-card .card-body-content h3 {
                font-size: 1rem;
            }
            .app-shell-footer {
                padding: 28px 0 24px;
            }
            .app-shell-footer .footer-links {
                gap: 12px;
            }
        }

/* roulang page: category2 */
:root {
            --brand-primary: #2B6CB0;
            --brand-primary-dark: #1F5E9E;
            --brand-primary-light: #EAF2FB;
            --brand-accent: #E85A2A;
            --brand-accent-hover: #D94A1E;
            --brand-bg: #F6F8FC;
            --brand-card: #FFFFFF;
            --brand-text: #1A2433;
            --brand-text-muted: #6B7A90;
            --brand-border: #E5EAF2;
            --brand-success: #2A9D8F;
            --brand-radius: 14px;
            --brand-radius-sm: 10px;
            --brand-radius-lg: 18px;
            --brand-shadow: 0 8px 24px rgba(15, 45, 80, 0.08);
            --brand-shadow-hover: 0 12px 32px rgba(15, 45, 80, 0.16);
            --brand-shadow-sm: 0 2px 8px rgba(15, 45, 80, 0.06);
            --brand-transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --sidebar-width: 248px;
            --navbar-mobile-height: 60px;
            --font-heading: 'PingFang SC', 'Microsoft YaHei', '思源黑体', '阿里巴巴普惠体', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
            --font-body: 'PingFang SC', 'Microsoft YaHei', '思源黑体', '阿里巴巴普惠体', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
            --font-numeric: 'DIN Alternate', 'Roboto Condensed', 'Barlow Condensed', 'PingFang SC', 'Microsoft YaHei', sans-serif;
        }

        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }

        body {
            font-family: var(--font-body);
            font-size: 15px;
            line-height: 1.75;
            color: var(--brand-text);
            background-color: var(--brand-bg);
            margin: 0;
            padding: 0;
            overflow-x: hidden;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        a {
            color: var(--brand-primary);
            text-decoration: none;
            transition: var(--brand-transition);
        }
        a:hover {
            color: var(--brand-primary-dark);
            text-decoration: none;
        }
        a:focus-visible {
            outline: 2px solid var(--brand-primary);
            outline-offset: 2px;
            border-radius: 4px;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        button, input, select, textarea {
            font-family: var(--font-body);
            font-size: 14px;
        }
        button:focus-visible, input:focus-visible, select:focus-visible, textarea:focus-visible {
            outline: 2px solid var(--brand-primary);
            outline-offset: 1px;
        }

        .brand-container {
            max-width: 1240px;
            margin: 0 auto;
            padding-left: 32px;
            padding-right: 32px;
        }

        /* ========== 左侧 App Shell 导航 ========== */
        .app-shell-sidebar {
            position: fixed;
            top: 0;
            left: 0;
            bottom: 0;
            width: var(--sidebar-width);
            background: var(--brand-card);
            border-right: 1px solid var(--brand-border);
            z-index: 1040;
            display: flex;
            flex-direction: column;
            padding: 0;
            box-shadow: 2px 0 12px rgba(15, 45, 80, 0.05);
        }

        .app-shell-sidebar .sidebar-inner {
            display: flex;
            flex-direction: column;
            height: 100%;
            padding: 16px 14px 14px 14px;
        }

        .app-shell-sidebar .sidebar-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-family: var(--font-heading);
            font-weight: 700;
            font-size: 1.3rem;
            color: var(--brand-primary-dark);
            padding: 6px 10px 18px 10px;
            border-bottom: 1px solid var(--brand-border);
            margin-bottom: 16px;
            text-decoration: none;
        }
        .app-shell-sidebar .sidebar-logo i {
            font-size: 1.4rem;
            color: var(--brand-accent);
        }
        .app-shell-sidebar .sidebar-logo span {
            color: var(--brand-text);
        }

        .app-shell-sidebar nav {
            display: flex;
            flex-direction: column;
            gap: 4px;
            flex: 1;
            overflow-y: auto;
        }
        .app-shell-sidebar nav a {
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 10px 12px;
            border-radius: var(--brand-radius-sm);
            color: var(--brand-text-muted);
            font-weight: 500;
            font-size: 14px;
            transition: var(--brand-transition);
            position: relative;
            border-left: 3px solid transparent;
            text-decoration: none;
            white-space: nowrap;
        }
        .app-shell-sidebar nav a i {
            width: 20px;
            text-align: center;
            font-size: 15px;
            color: var(--brand-text-muted);
            transition: var(--brand-transition);
            flex-shrink: 0;
        }
        .app-shell-sidebar nav a:hover {
            background: var(--brand-primary-light);
            color: var(--brand-primary-dark);
        }
        .app-shell-sidebar nav a:hover i {
            color: var(--brand-primary);
        }
        .app-shell-sidebar nav a.active {
            background: var(--brand-primary-light);
            color: var(--brand-primary-dark);
            font-weight: 600;
            border-left: 3px solid var(--brand-primary);
        }
        .app-shell-sidebar nav a.active i {
            color: var(--brand-primary);
        }

        .app-shell-sidebar .sidebar-footer-meta {
            padding: 12px 10px 4px 10px;
            font-size: 11px;
            color: var(--brand-text-muted);
            border-top: 1px solid var(--brand-border);
            margin-top: 12px;
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .app-shell-sidebar .sidebar-footer-meta i {
            color: var(--brand-success);
            font-size: 12px;
        }

        /* ========== 主内容区 ========== */
        .app-shell-main {
            margin-left: var(--sidebar-width);
            min-height: 100vh;
            padding-bottom: 0;
            display: flex;
            flex-direction: column;
        }

        .page-container {
            max-width: 1160px;
            width: 100%;
            margin: 0 auto;
            padding: 32px 32px 48px 32px;
            flex: 1;
        }

        /* ========== 移动端顶部栏 ========== */
        .app-shell-mobile-header {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            height: var(--navbar-mobile-height);
            background: var(--brand-card);
            border-bottom: 1px solid var(--brand-border);
            z-index: 1030;
            align-items: center;
            padding: 0 16px;
            gap: 12px;
            box-shadow: 0 2px 8px rgba(15, 45, 80, 0.04);
        }
        .app-shell-mobile-header .btn-menu {
            background: none;
            border: none;
            font-size: 1.2rem;
            color: var(--brand-text);
            cursor: pointer;
            padding: 6px 8px;
            border-radius: 8px;
            transition: var(--brand-transition);
            display: flex;
            align-items: center;
            justify-content: center;
        }
        .app-shell-mobile-header .btn-menu:hover {
            background: var(--brand-primary-light);
            color: var(--brand-primary);
        }
        .app-shell-mobile-header .mobile-logo {
            display: flex;
            align-items: center;
            gap: 8px;
            font-weight: 700;
            font-size: 1.15rem;
            color: var(--brand-primary-dark);
            font-family: var(--font-heading);
        }
        .app-shell-mobile-header .mobile-logo i {
            color: var(--brand-accent);
            font-size: 1.3rem;
        }

        /* ========== 移动端抽屉 ========== */
        .offcanvas {
            max-width: 285px;
            width: 285px !important;
        }
        .offcanvas .offcanvas-header {
            border-bottom: 1px solid var(--brand-border);
            padding: 16px;
        }
        .offcanvas .offcanvas-header .offcanvas-title {
            display: flex;
            align-items: center;
            gap: 10px;
            font-family: var(--font-heading);
            font-weight: 700;
            font-size: 1.2rem;
            color: var(--brand-primary-dark);
        }
        .offcanvas .offcanvas-header .offcanvas-title i {
            color: var(--brand-accent);
        }
        .offcanvas .offcanvas-body {
            padding: 12px;
            display: flex;
            flex-direction: column;
            gap: 4px;
        }
        .offcanvas .offcanvas-body a {
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 10px 12px;
            border-radius: var(--brand-radius-sm);
            color: var(--brand-text-muted);
            font-weight: 500;
            font-size: 14px;
            transition: var(--brand-transition);
            border-left: 3px solid transparent;
            text-decoration: none;
        }
        .offcanvas .offcanvas-body a i {
            width: 20px;
            text-align: center;
            font-size: 15px;
            color: var(--brand-text-muted);
        }
        .offcanvas .offcanvas-body a:hover {
            background: var(--brand-primary-light);
            color: var(--brand-primary-dark);
        }
        .offcanvas .offcanvas-body a:hover i {
            color: var(--brand-primary);
        }
        .offcanvas .offcanvas-body a.active {
            background: var(--brand-primary-light);
            color: var(--brand-primary-dark);
            font-weight: 600;
            border-left: 3px solid var(--brand-primary);
        }
        .offcanvas .offcanvas-body a.active i {
            color: var(--brand-primary);
        }
        .offcanvas .offcanvas-meta {
            margin-top: auto;
            padding-top: 12px;
            border-top: 1px solid var(--brand-border);
            font-size: 11px;
            color: var(--brand-text-muted);
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .offcanvas .offcanvas-meta i {
            color: var(--brand-success);
        }

        /* ========== 通用组件 ========== */
        .section-block {
            margin-bottom: 64px;
        }
        .section-title {
            font-family: var(--font-heading);
            font-weight: 700;
            font-size: 1.6rem;
            color: var(--brand-text);
            margin-bottom: 8px;
            line-height: 1.4;
        }
        .section-subtitle {
            font-size: 15px;
            color: var(--brand-text-muted);
            margin-bottom: 28px;
            line-height: 1.7;
            max-width: 720px;
        }

        .card-base {
            background: var(--brand-card);
            border-radius: var(--brand-radius);
            border: 1px solid rgba(30, 60, 100, 0.06);
            box-shadow: var(--brand-shadow);
            transition: var(--brand-transition);
        }
        .card-base:hover {
            box-shadow: var(--brand-shadow-hover);
            transform: translateY(-4px);
            border-color: rgba(43, 108, 176, 0.20);
        }

        .btn-brand-primary {
            background: var(--brand-primary);
            color: #fff;
            border: none;
            border-radius: var(--brand-radius-sm);
            padding: 10px 22px;
            font-size: 14px;
            font-weight: 500;
            transition: var(--brand-transition);
            display: inline-flex;
            align-items: center;
            gap: 8px;
            cursor: pointer;
            text-decoration: none;
        }
        .btn-brand-primary:hover {
            background: var(--brand-primary-dark);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 6px 18px rgba(43, 108, 176, 0.30);
        }
        .btn-brand-primary:active {
            transform: translateY(0);
        }

        .btn-brand-outline {
            background: transparent;
            color: var(--brand-primary);
            border: 1px solid var(--brand-primary);
            border-radius: var(--brand-radius-sm);
            padding: 9px 20px;
            font-size: 14px;
            font-weight: 500;
            transition: var(--brand-transition);
            display: inline-flex;
            align-items: center;
            gap: 8px;
            cursor: pointer;
            text-decoration: none;
        }
        .btn-brand-outline:hover {
            background: var(--brand-primary-light);
            color: var(--brand-primary-dark);
            border-color: var(--brand-primary);
            transform: translateY(-2px);
        }

        .tag-badge {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            padding: 4px 10px;
            border-radius: 20px;
            font-size: 12px;
            font-weight: 500;
            background: var(--brand-primary-light);
            color: var(--brand-primary-dark);
            transition: var(--brand-transition);
        }
        .tag-badge.accent {
            background: rgba(232, 90, 42, 0.10);
            color: var(--brand-accent);
        }
        .tag-badge.success {
            background: rgba(42, 157, 143, 0.10);
            color: var(--brand-success);
        }

        .data-label {
            font-size: 12px;
            color: var(--brand-text-muted);
            letter-spacing: 0.02em;
            text-transform: uppercase;
            font-weight: 600;
        }

        .data-number {
            font-family: var(--font-numeric);
            font-weight: 700;
            font-size: 2rem;
            color: var(--brand-text);
            line-height: 1.2;
            font-variant-numeric: tabular-nums;
        }

        /* ========== Hero 短横幅 ========== */
        .category-hero {
            position: relative;
            border-radius: var(--brand-radius-lg);
            overflow: hidden;
            background-image: url('/assets/images/backpic/back-2.webp');
            background-size: cover;
            background-position: center;
            min-height: 280px;
            display: flex;
            align-items: center;
            margin-bottom: 32px;
            box-shadow: var(--brand-shadow);
            border: 1px solid rgba(30, 60, 100, 0.06);
        }
        .category-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(246, 248, 252, 0.96) 0%, rgba(234, 242, 251, 0.88) 45%, rgba(255, 255, 255, 0.72) 100%);
            z-index: 1;
        }
        .category-hero .hero-content {
            position: relative;
            z-index: 2;
            padding: 36px 40px;
            max-width: 680px;
        }
        .category-hero .hero-breadcrumb {
            font-size: 13px;
            color: var(--brand-text-muted);
            margin-bottom: 10px;
            display: flex;
            align-items: center;
            gap: 6px;
            flex-wrap: wrap;
        }
        .category-hero .hero-breadcrumb a {
            color: var(--brand-primary);
            text-decoration: none;
        }
        .category-hero .hero-breadcrumb i {
            font-size: 10px;
            color: var(--brand-text-muted);
        }
        .category-hero h1 {
            font-family: var(--font-heading);
            font-weight: 700;
            font-size: 2.1rem;
            color: var(--brand-text);
            margin-bottom: 10px;
            line-height: 1.3;
        }
        .category-hero .hero-desc {
            font-size: 15px;
            color: var(--brand-text-muted);
            line-height: 1.75;
            margin-bottom: 0;
            max-width: 560px;
        }
        .category-hero .hero-tags {
            display: flex;
            gap: 8px;
            flex-wrap: wrap;
            margin-top: 16px;
        }

        /* ========== 筛选工具条 ========== */
        .filter-toolbar {
            background: var(--brand-card);
            border-radius: var(--brand-radius);
            border: 1px solid var(--brand-border);
            box-shadow: var(--brand-shadow-sm);
            padding: 16px 20px;
            display: flex;
            align-items: center;
            gap: 16px;
            flex-wrap: wrap;
            margin-bottom: 32px;
        }
        .filter-toolbar .filter-group {
            display: flex;
            align-items: center;
            gap: 8px;
            flex-wrap: wrap;
        }
        .filter-toolbar .filter-label {
            font-size: 13px;
            font-weight: 600;
            color: var(--brand-text-muted);
            white-space: nowrap;
        }
        .filter-toolbar .filter-btn {
            padding: 6px 14px;
            border-radius: 20px;
            border: 1px solid var(--brand-border);
            background: var(--brand-card);
            color: var(--brand-text-muted);
            font-size: 13px;
            cursor: pointer;
            transition: var(--brand-transition);
            white-space: nowrap;
        }
        .filter-toolbar .filter-btn:hover {
            border-color: var(--brand-primary);
            color: var(--brand-primary);
            background: var(--brand-primary-light);
        }
        .filter-toolbar .filter-btn.active {
            background: var(--brand-primary);
            color: #fff;
            border-color: var(--brand-primary);
        }
        .filter-toolbar .filter-sort {
            margin-left: auto;
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .filter-toolbar .filter-sort select {
            padding: 6px 12px;
            border-radius: 8px;
            border: 1px solid var(--brand-border);
            background: var(--brand-card);
            color: var(--brand-text);
            font-size: 13px;
            cursor: pointer;
            transition: var(--brand-transition);
        }
        .filter-toolbar .filter-sort select:focus {
            border-color: var(--brand-primary);
            outline: none;
        }

        /* ========== 数据列表卡片 ========== */
        .data-grid {
            display: grid;
            grid-template-columns: repeat(12, 1fr);
            gap: 20px;
            margin-bottom: 32px;
        }
        .data-grid .grid-item {
            grid-column: span 6;
        }
        .data-grid .grid-item.span-4 {
            grid-column: span 4;
        }
        .data-grid .grid-item.span-3 {
            grid-column: span 3;
        }
        .data-grid .grid-item.span-8 {
            grid-column: span 8;
        }
        .data-grid .grid-item.span-12 {
            grid-column: span 12;
        }

        .data-card {
            background: var(--brand-card);
            border-radius: var(--brand-radius);
            border: 1px solid rgba(30, 60, 100, 0.06);
            box-shadow: var(--brand-shadow-sm);
            overflow: hidden;
            transition: var(--brand-transition);
            height: 100%;
            display: flex;
            flex-direction: column;
        }
        .data-card:hover {
            box-shadow: var(--brand-shadow-hover);
            transform: translateY(-4px);
            border-color: rgba(43, 108, 176, 0.20);
        }
        .data-card .card-img-wrap {
            position: relative;
            aspect-ratio: 16/9;
            overflow: hidden;
            background: var(--brand-primary-light);
        }
        .data-card .card-img-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: var(--brand-transition);
        }
        .data-card:hover .card-img-wrap img {
            transform: scale(1.04);
        }
        .data-card .card-img-wrap .card-date-badge {
            position: absolute;
            top: 12px;
            left: 12px;
            background: rgba(26, 36, 51, 0.82);
            color: #fff;
            font-size: 12px;
            padding: 4px 10px;
            border-radius: 6px;
            font-weight: 500;
            letter-spacing: 0.02em;
        }
        .data-card .card-img-wrap .card-tag-badge {
            position: absolute;
            top: 12px;
            right: 12px;
            background: var(--brand-accent);
            color: #fff;
            font-size: 12px;
            padding: 4px 10px;
            border-radius: 6px;
            font-weight: 600;
            letter-spacing: 0.02em;
        }
        .data-card .card-body {
            padding: 18px 20px 20px 20px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .data-card .card-title {
            font-family: var(--font-heading);
            font-weight: 700;
            font-size: 1.05rem;
            color: var(--brand-text);
            margin-bottom: 8px;
            line-height: 1.45;
        }
        .data-card .card-summary {
            font-size: 14px;
            color: var(--brand-text-muted);
            line-height: 1.7;
            margin-bottom: 12px;
            flex: 1;
        }
        .data-card .card-meta {
            display: flex;
            align-items: center;
            gap: 12px;
            padding-top: 10px;
            border-top: 1px solid var(--brand-border);
            font-size: 12px;
            color: var(--brand-text-muted);
        }
        .data-card .card-meta i {
            font-size: 11px;
            color: var(--brand-primary);
        }
        .data-card .card-action {
            margin-top: 10px;
            align-self: flex-start;
            font-size: 13px;
            color: var(--brand-primary);
            font-weight: 500;
            display: inline-flex;
            align-items: center;
            gap: 6px;
            transition: var(--brand-transition);
        }
        .data-card .card-action:hover {
            color: var(--brand-primary-dark);
            gap: 8px;
        }

        /* ========== 深度内容区 ========== */
        .deep-content {
            background: var(--brand-card);
            border-radius: var(--brand-radius-lg);
            border: 1px solid var(--brand-border);
            box-shadow: var(--brand-shadow-sm);
            padding: 32px 36px;
            margin-bottom: 32px;
        }
        .deep-content h2 {
            font-family: var(--font-heading);
            font-weight: 700;
            font-size: 1.4rem;
            color: var(--brand-text);
            margin-bottom: 16px;
            line-height: 1.45;
        }
        .deep-content h3 {
            font-family: var(--font-heading);
            font-weight: 600;
            font-size: 1.1rem;
            color: var(--brand-text);
            margin-bottom: 10px;
            margin-top: 20px;
            line-height: 1.45;
        }
        .deep-content p {
            font-size: 15px;
            color: var(--brand-text);
            line-height: 1.85;
            margin-bottom: 14px;
        }
        .deep-content ul {
            margin-bottom: 14px;
            padding-left: 22px;
        }
        .deep-content ul li {
            font-size: 15px;
            color: var(--brand-text);
            line-height: 1.8;
            margin-bottom: 6px;
        }
        .deep-content blockquote {
            background: var(--brand-primary-light);
            border-left: 4px solid var(--brand-primary);
            padding: 16px 20px;
            border-radius: 0 var(--brand-radius-sm) var(--brand-radius-sm) 0;
            margin: 16px 0;
            font-size: 14px;
            color: var(--brand-text);
            line-height: 1.75;
        }
        .deep-content .data-quote-card {
            background: var(--brand-bg);
            border-radius: var(--brand-radius-sm);
            padding: 16px 20px;
            margin: 16px 0;
            border-left: 3px solid var(--brand-accent);
            font-size: 14px;
            color: var(--brand-text);
            line-height: 1.7;
        }

        /* ========== 数据对比区 ========== */
        .compare-section {
            background: var(--brand-card);
            border-radius: var(--brand-radius-lg);
            border: 1px solid var(--brand-border);
            box-shadow: var(--brand-shadow-sm);
            padding: 28px 32px;
            margin-bottom: 32px;
        }
        .compare-section .compare-table {
            width: 100%;
            border-collapse: collapse;
            font-size: 14px;
        }
        .compare-section .compare-table th {
            background: var(--brand-primary-light);
            color: var(--brand-primary-dark);
            font-weight: 600;
            text-align: left;
            padding: 12px 16px;
            border-bottom: 2px solid rgba(43, 108, 176, 0.20);
            white-space: nowrap;
        }
        .compare-section .compare-table td {
            padding: 12px 16px;
            border-bottom: 1px solid var(--brand-border);
            color: var(--brand-text);
            line-height: 1.6;
        }
        .compare-section .compare-table tr:last-child td {
            border-bottom: none;
        }
        .compare-section .compare-table .highlight-up {
            color: var(--brand-success);
            font-weight: 600;
        }
        .compare-section .compare-table .highlight-accent {
            color: var(--brand-accent);
            font-weight: 600;
        }

        /* ========== 品牌介绍 ========== */
        .brand-intro {
            background: var(--brand-card);
            border-radius: var(--brand-radius);
            border: 1px solid var(--brand-border);
            box-shadow: var(--brand-shadow-sm);
            padding: 24px 28px;
            margin-bottom: 32px;
            display: flex;
            gap: 24px;
            align-items: flex-start;
        }
        .brand-intro .brand-mark {
            flex-shrink: 0;
            width: 48px;
            height: 48px;
            background: var(--brand-primary);
            border-radius: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 1.4rem;
        }
        .brand-intro .brand-text h3 {
            font-family: var(--font-heading);
            font-weight: 700;
            font-size: 1.1rem;
            color: var(--brand-text);
            margin-bottom: 8px;
        }
        .brand-intro .brand-text p {
            font-size: 14px;
            color: var(--brand-text-muted);
            line-height: 1.8;
            margin-bottom: 0;
        }

        /* ========== FAQ ========== */
        .faq-section {
            margin-bottom: 32px;
        }
        .faq-section .accordion {
            border-radius: var(--brand-radius);
            overflow: hidden;
            border: 1px solid var(--brand-border);
            box-shadow: var(--brand-shadow-sm);
        }
        .faq-section .accordion-item {
            border: none;
            border-bottom: 1px solid var(--brand-border);
            background: var(--brand-card);
        }
        .faq-section .accordion-item:last-child {
            border-bottom: none;
        }
        .faq-section .accordion-button {
            background: var(--brand-card);
            color: var(--brand-text);
            font-weight: 600;
            font-size: 15px;
            padding: 18px 22px;
            border: none;
            box-shadow: none;
            transition: var(--brand-transition);
            line-height: 1.5;
        }
        .faq-section .accordion-button:not(.collapsed) {
            background: var(--brand-primary-light);
            color: var(--brand-primary-dark);
            border-left: 4px solid var(--brand-primary);
        }
        .faq-section .accordion-button:focus {
            box-shadow: none;
            outline: none;
        }
        .faq-section .accordion-button::after {
            filter: brightness(0.6);
            transition: var(--brand-transition);
        }
        .faq-section .accordion-body {
            padding: 16px 22px 20px 22px;
            font-size: 15px;
            color: var(--brand-text-muted);
            line-height: 1.8;
            background: var(--brand-card);
        }

        /* ========== CTA 表单 ========== */
        .cta-form-section {
            background: var(--brand-card);
            border-radius: var(--brand-radius-lg);
            border: 1px solid var(--brand-border);
            box-shadow: var(--brand-shadow);
            padding: 36px 40px;
            margin-bottom: 0;
        }
        .cta-form-section .cta-left h2 {
            font-family: var(--font-heading);
            font-weight: 700;
            font-size: 1.5rem;
            color: var(--brand-text);
            margin-bottom: 10px;
            line-height: 1.4;
        }
        .cta-form-section .cta-left p {
            font-size: 15px;
            color: var(--brand-text-muted);
            line-height: 1.8;
            margin-bottom: 0;
        }
        .cta-form-section .form-control {
            border-radius: var(--brand-radius-sm);
            border: 1px solid var(--brand-border);
            padding: 10px 14px;
            font-size: 14px;
            transition: var(--brand-transition);
            background: var(--brand-bg);
        }
        .cta-form-section .form-control:focus {
            border-color: var(--brand-primary);
            box-shadow: 0 0 0 3px rgba(43, 108, 176, 0.12);
            outline: none;
            background: #fff;
        }
        .cta-form-section .form-label {
            font-size: 13px;
            font-weight: 600;
            color: var(--brand-text);
            margin-bottom: 4px;
        }

        /* ========== 分页 ========== */
        .custom-pagination-wrap {
            display: flex;
            justify-content: center;
            margin-top: 12px;
            margin-bottom: 12px;
        }
        .custom-pagination {
            display: flex;
            gap: 4px;
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .custom-pagination .page-item .page-link {
            border: 1px solid var(--brand-border);
            background: var(--brand-card);
            color: var(--brand-text);
            border-radius: 8px;
            padding: 8px 14px;
            font-size: 13px;
            font-weight: 500;
            transition: var(--brand-transition);
        }
        .custom-pagination .page-item .page-link:hover {
            background: var(--brand-primary-light);
            color: var(--brand-primary-dark);
            border-color: var(--brand-primary);
        }
        .custom-pagination .page-item.active .page-link {
            background: var(--brand-primary);
            color: #fff;
            border-color: var(--brand-primary);
        }
        .custom-pagination .page-item.disabled .page-link {
            opacity: 0.5;
            pointer-events: none;
        }

        /* ========== 页脚 ========== */
        .app-shell-footer {
            background: #1A2433;
            color: rgba(255, 255, 255, 0.75);
            padding: 36px 0 28px 0;
            margin-top: 64px;
        }
        .app-shell-footer .brand-container {
            max-width: 1160px;
        }
        .app-shell-footer .footer-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            font-family: var(--font-heading);
            font-weight: 700;
            font-size: 1.25rem;
            color: #fff;
            margin-bottom: 12px;
        }
        .app-shell-footer .footer-brand i {
            color: var(--brand-accent);
            font-size: 1.35rem;
        }
        .app-shell-footer .footer-text {
            font-size: 13px;
            line-height: 1.75;
            color: rgba(255, 255, 255, 0.65);
            margin-bottom: 18px;
            max-width: 560px;
        }
        .app-shell-footer .footer-links {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            margin-bottom: 16px;
        }
        .app-shell-footer .footer-links a {
            color: rgba(255, 255, 255, 0.70);
            font-size: 13px;
            text-decoration: none;
            transition: var(--brand-transition);
        }
        .app-shell-footer .footer-links a:hover {
            color: #fff;
        }
        .app-shell-footer .footer-copyright {
            font-size: 12px;
            color: rgba(255, 255, 255, 0.50);
            line-height: 1.7;
            padding-top: 14px;
            border-top: 1px solid rgba(255, 255, 255, 0.12);
        }

        /* ========== 响应式 ========== */
        @media (max-width: 1199.98px) {
            .page-container {
                padding: 28px 24px 40px 24px;
            }
            .category-hero h1 {
                font-size: 1.8rem;
            }
        }

        @media (max-width: 991.98px) {
            .app-shell-sidebar {
                display: none !important;
            }
            .app-shell-mobile-header {
                display: flex !important;
            }
            .app-shell-main {
                margin-left: 0;
                padding-top: var(--navbar-mobile-height);
            }
            .page-container {
                padding: 20px 16px 36px 16px;
            }
            .category-hero {
                min-height: 220px;
            }
            .category-hero .hero-content {
                padding: 24px 22px;
            }
            .category-hero h1 {
                font-size: 1.5rem;
            }
            .data-grid .grid-item,
            .data-grid .grid-item.span-4,
            .data-grid .grid-item.span-3,
            .data-grid .grid-item.span-8,
            .data-grid .grid-item.span-12 {
                grid-column: span 12;
            }
            .deep-content {
                padding: 24px 22px;
            }
            .compare-section {
                padding: 20px 18px;
                overflow-x: auto;
            }
            .brand-intro {
                flex-direction: column;
                gap: 12px;
                padding: 20px;
            }
            .cta-form-section {
                padding: 24px 22px;
            }
            .filter-toolbar {
                padding: 12px 14px;
            }
            .filter-toolbar .filter-sort {
                margin-left: 0;
                width: 100%;
            }
        }

        @media (max-width: 575.98px) {
            .page-container {
                padding: 16px 12px 32px 12px;
            }
            .category-hero {
                min-height: 180px;
                border-radius: var(--brand-radius);
            }
            .category-hero .hero-content {
                padding: 18px 16px;
            }
            .category-hero h1 {
                font-size: 1.3rem;
            }
            .category-hero .hero-desc {
                font-size: 13px;
            }
            .data-card .card-body {
                padding: 14px 16px 16px 16px;
            }
            .deep-content {
                padding: 18px 16px;
                border-radius: var(--brand-radius);
            }
            .deep-content h2 {
                font-size: 1.2rem;
            }
            .cta-form-section {
                padding: 20px 16px;
                border-radius: var(--brand-radius);
            }
            .compare-section {
                border-radius: var(--brand-radius);
            }
            .brand-intro {
                border-radius: var(--brand-radius);
            }
            .app-shell-footer {
                padding: 28px 0 20px 0;
                margin-top: 40px;
            }
            .app-shell-footer .footer-links {
                gap: 10px;
            }
            .custom-pagination .page-item .page-link {
                padding: 6px 10px;
                font-size: 12px;
            }
            .btn-brand-primary,
            .btn-brand-outline {
                padding: 8px 16px;
                font-size: 13px;
            }
        }

/* roulang page: category3 */
:root {
            --brand-primary: #2B6CB0;
            --brand-primary-dark: #1F5E9E;
            --brand-primary-light: #EAF2FB;
            --brand-accent: #E85A2A;
            --brand-accent-hover: #D94A1E;
            --brand-bg: #F6F8FC;
            --brand-card: #FFFFFF;
            --brand-text: #1A2433;
            --brand-text-muted: #6B7A90;
            --brand-border: #E5EAF2;
            --brand-success: #2A9D8F;
            --brand-radius: 14px;
            --brand-radius-sm: 10px;
            --brand-radius-lg: 18px;
            --brand-shadow: 0 8px 24px rgba(15, 45, 80, 0.08);
            --brand-shadow-hover: 0 12px 32px rgba(15, 45, 80, 0.16);
            --brand-shadow-sm: 0 2px 8px rgba(15, 45, 80, 0.06);
            --brand-transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --sidebar-width: 248px;
            --navbar-mobile-height: 60px;
            --font-heading: 'PingFang SC', 'Microsoft YaHei', '思源黑体', '阿里巴巴普惠体', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
            --font-body: 'PingFang SC', 'Microsoft YaHei', '思源黑体', '阿里巴巴普惠体', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
            --font-numeric: 'DIN Alternate', 'Roboto Condensed', 'Barlow Condensed', 'PingFang SC', 'Microsoft YaHei', sans-serif;
        }
        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }
        body {
            font-family: var(--font-body);
            font-size: 15px;
            line-height: 1.75;
            color: var(--brand-text);
            background-color: var(--brand-bg);
            margin: 0;
            padding: 0;
            overflow-x: hidden;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        a {
            color: var(--brand-primary);
            text-decoration: none;
            transition: var(--brand-transition);
        }
        a:hover {
            color: var(--brand-primary-dark);
            text-decoration: none;
        }
        a:focus-visible {
            outline: 2px solid var(--brand-primary);
            outline-offset: 2px;
            border-radius: 4px;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button,
        input,
        select,
        textarea {
            font-family: var(--font-body);
            font-size: 14px;
        }
        button:focus-visible,
        input:focus-visible,
        select:focus-visible,
        textarea:focus-visible {
            outline: 2px solid var(--brand-primary);
            outline-offset: 1px;
        }
        .brand-container {
            max-width: 1240px;
            margin: 0 auto;
            padding-left: 32px;
            padding-right: 32px;
        }
        .app-shell-sidebar {
            position: fixed;
            top: 0;
            left: 0;
            width: var(--sidebar-width);
            height: 100vh;
            background: var(--brand-card);
            border-right: 1px solid var(--brand-border);
            z-index: 1020;
            display: flex;
            flex-direction: column;
            padding: 20px 14px 14px 14px;
            box-shadow: 2px 0 12px rgba(15, 45, 80, 0.04);
            overflow-y: auto;
        }
        .app-shell-sidebar .sidebar-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-family: var(--font-heading);
            font-weight: 700;
            font-size: 1.3rem;
            color: var(--brand-primary-dark);
            padding: 6px 10px 18px 10px;
            border-bottom: 1px solid var(--brand-border);
            margin-bottom: 16px;
        }
        .app-shell-sidebar .sidebar-logo i {
            font-size: 1.4rem;
            color: var(--brand-accent);
        }
        .app-shell-sidebar .sidebar-logo span {
            color: var(--brand-text);
        }
        .app-shell-sidebar nav {
            display: flex;
            flex-direction: column;
            gap: 4px;
            flex: 1;
        }
        .app-shell-sidebar nav a {
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 10px 12px;
            border-radius: var(--brand-radius-sm);
            color: var(--brand-text-muted);
            font-weight: 500;
            font-size: 14px;
            transition: var(--brand-transition);
            position: relative;
            border-left: 3px solid transparent;
        }
        .app-shell-sidebar nav a i {
            width: 20px;
            text-align: center;
            font-size: 15px;
            color: var(--brand-text-muted);
            transition: var(--brand-transition);
        }
        .app-shell-sidebar nav a:hover {
            background: var(--brand-primary-light);
            color: var(--brand-primary-dark);
        }
        .app-shell-sidebar nav a:hover i {
            color: var(--brand-primary);
        }
        .app-shell-sidebar nav a.active {
            background: var(--brand-primary-light);
            color: var(--brand-primary-dark);
            font-weight: 600;
            border-left: 3px solid var(--brand-primary);
        }
        .app-shell-sidebar nav a.active i {
            color: var(--brand-primary);
        }
        .app-shell-sidebar .sidebar-footer-meta {
            padding: 12px 10px 4px 10px;
            font-size: 11px;
            color: var(--brand-text-muted);
            border-top: 1px solid var(--brand-border);
            margin-top: 12px;
        }
        .app-shell-mobile-header {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            height: var(--navbar-mobile-height);
            background: var(--brand-card);
            border-bottom: 1px solid var(--brand-border);
            z-index: 1030;
            align-items: center;
            padding: 0 16px;
            gap: 12px;
            box-shadow: 0 2px 8px rgba(15, 45, 80, 0.04);
        }
        .app-shell-mobile-header .mobile-logo {
            display: flex;
            align-items: center;
            gap: 8px;
            font-weight: 700;
            font-size: 1.15rem;
            color: var(--brand-primary-dark);
            font-family: var(--font-heading);
        }
        .app-shell-mobile-header .mobile-logo i {
            color: var(--brand-accent);
        }
        .app-shell-mobile-header .btn-menu {
            background: none;
            border: 1px solid var(--brand-border);
            border-radius: var(--brand-radius-sm);
            padding: 8px 12px;
            font-size: 1.1rem;
            color: var(--brand-text);
            cursor: pointer;
            transition: var(--brand-transition);
            display: flex;
            align-items: center;
            justify-content: center;
        }
        .app-shell-mobile-header .btn-menu:hover {
            background: var(--brand-primary-light);
            border-color: var(--brand-primary);
            color: var(--brand-primary);
        }
        .app-shell-main {
            margin-left: var(--sidebar-width);
            min-height: 100vh;
            padding: 0;
        }
        .offcanvas {
            background: var(--brand-card);
            border-right: 1px solid var(--brand-border);
        }
        .offcanvas-header {
            background: var(--brand-bg);
            border-bottom: 1px solid var(--brand-border);
            padding: 14px 16px;
        }
        .offcanvas-header .offcanvas-title {
            font-family: var(--font-heading);
            font-weight: 700;
            font-size: 1.2rem;
            color: var(--brand-primary-dark);
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .offcanvas-header .offcanvas-title i {
            color: var(--brand-accent);
        }
        .offcanvas-body nav {
            display: flex;
            flex-direction: column;
            gap: 4px;
            padding: 12px 8px;
        }
        .offcanvas-body nav a {
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 10px 12px;
            border-radius: var(--brand-radius-sm);
            color: var(--brand-text-muted);
            font-weight: 500;
            font-size: 14px;
            transition: var(--brand-transition);
            border-left: 3px solid transparent;
        }
        .offcanvas-body nav a i {
            width: 20px;
            text-align: center;
            font-size: 15px;
        }
        .offcanvas-body nav a:hover {
            background: var(--brand-primary-light);
            color: var(--brand-primary-dark);
        }
        .offcanvas-body nav a.active {
            background: var(--brand-primary-light);
            color: var(--brand-primary-dark);
            font-weight: 600;
            border-left: 3px solid var(--brand-primary);
        }
        .category-hero {
            position: relative;
            padding: 72px 32px 64px 32px;
            background-image: url('/assets/images/backpic/back-1.webp');
            background-size: cover;
            background-position: center;
            background-repeat: no-repeat;
            border-bottom: 1px solid var(--brand-border);
            overflow: hidden;
        }
        .category-hero::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: rgba(246, 248, 252, 0.88);
            z-index: 0;
        }
        .category-hero .hero-content {
            position: relative;
            z-index: 1;
            max-width: 900px;
        }
        .category-hero .hero-badge {
            display: inline-block;
            background: var(--brand-primary-light);
            color: var(--brand-primary-dark);
            border: 1px solid var(--brand-primary);
            border-radius: 30px;
            padding: 6px 16px;
            font-size: 13px;
            font-weight: 600;
            margin-bottom: 18px;
        }
        .category-hero h1 {
            font-family: var(--font-heading);
            font-size: 2.4rem;
            font-weight: 700;
            color: var(--brand-text);
            margin: 0 0 16px 0;
            line-height: 1.3;
        }
        .category-hero h1 span {
            color: var(--brand-primary);
            display: block;
            font-size: 1.4rem;
            font-weight: 500;
            margin-top: 6px;
        }
        .category-hero .hero-desc {
            font-size: 1.05rem;
            color: var(--brand-text-muted);
            max-width: 680px;
            line-height: 1.8;
            margin-bottom: 24px;
        }
        .category-hero .hero-actions {
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
        }
        .category-hero .hero-stats {
            display: flex;
            gap: 40px;
            margin-top: 32px;
            flex-wrap: wrap;
            position: relative;
            z-index: 1;
        }
        .category-hero .hero-stat-item {
            display: flex;
            flex-direction: column;
        }
        .category-hero .hero-stat-item .stat-number {
            font-family: var(--font-numeric);
            font-size: 2rem;
            font-weight: 700;
            color: var(--brand-primary);
            line-height: 1.2;
        }
        .category-hero .hero-stat-item .stat-label {
            font-size: 13px;
            color: var(--brand-text-muted);
        }
        .btn-brand {
            background: var(--brand-primary);
            color: #ffffff;
            border: none;
            border-radius: var(--brand-radius-sm);
            padding: 11px 22px;
            font-weight: 600;
            font-size: 14px;
            transition: var(--brand-transition);
            cursor: pointer;
            display: inline-flex;
            align-items: center;
            gap: 8px;
            letter-spacing: 0.02em;
        }
        .btn-brand:hover {
            background: var(--brand-primary-dark);
            color: #ffffff;
            transform: translateY(-2px);
            box-shadow: var(--brand-shadow);
        }
        .btn-brand:focus-visible {
            outline: 2px solid var(--brand-primary);
            outline-offset: 2px;
        }
        .btn-outline-brand {
            background: transparent;
            color: var(--brand-primary);
            border: 1.5px solid var(--brand-primary);
            border-radius: var(--brand-radius-sm);
            padding: 10px 20px;
            font-weight: 600;
            font-size: 14px;
            transition: var(--brand-transition);
            cursor: pointer;
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }
        .btn-outline-brand:hover {
            background: var(--brand-primary-light);
            color: var(--brand-primary-dark);
            border-color: var(--brand-primary);
            transform: translateY(-2px);
        }
        .btn-outline-brand:focus-visible {
            outline: 2px solid var(--brand-primary);
            outline-offset: 2px;
        }
        .btn-accent {
            background: var(--brand-accent);
            color: #ffffff;
            border: none;
            border-radius: var(--brand-radius-sm);
            padding: 11px 22px;
            font-weight: 600;
            font-size: 14px;
            transition: var(--brand-transition);
            cursor: pointer;
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }
        .btn-accent:hover {
            background: var(--brand-accent-hover);
            color: #ffffff;
            transform: translateY(-2px);
            box-shadow: var(--brand-shadow);
        }
        .filter-toolbar {
            background: var(--brand-card);
            border-bottom: 1px solid var(--brand-border);
            padding: 16px 32px;
            position: sticky;
            top: 0;
            z-index: 500;
        }
        .filter-toolbar .filter-row {
            display: flex;
            align-items: center;
            gap: 16px;
            flex-wrap: wrap;
        }
        .filter-toolbar .filter-label {
            font-size: 13px;
            font-weight: 600;
            color: var(--brand-text-muted);
            white-space: nowrap;
        }
        .filter-toolbar .filter-group {
            display: flex;
            gap: 8px;
            flex-wrap: wrap;
        }
        .filter-toolbar .filter-chip {
            background: var(--brand-bg);
            border: 1px solid var(--brand-border);
            border-radius: 30px;
            padding: 5px 14px;
            font-size: 13px;
            color: var(--brand-text-muted);
            cursor: pointer;
            transition: var(--brand-transition);
            white-space: nowrap;
        }
        .filter-toolbar .filter-chip:hover {
            background: var(--brand-primary-light);
            border-color: var(--brand-primary);
            color: var(--brand-primary);
        }
        .filter-toolbar .filter-chip.active {
            background: var(--brand-primary);
            border-color: var(--brand-primary);
            color: #ffffff;
            font-weight: 600;
        }
        .filter-toolbar .filter-select {
            border: 1px solid var(--brand-border);
            border-radius: var(--brand-radius-sm);
            padding: 6px 12px;
            background: var(--brand-card);
            color: var(--brand-text);
            font-size: 13px;
            min-width: 120px;
        }
        .filter-toolbar .filter-select:focus {
            border-color: var(--brand-primary);
            outline: none;
        }
        .content-grid-section {
            padding: 48px 32px;
            background: var(--brand-bg);
        }
        .content-grid-section .section-heading {
            display: flex;
            align-items: center;
            justify-content: space-between;
            margin-bottom: 28px;
            flex-wrap: wrap;
            gap: 16px;
        }
        .content-grid-section .section-heading h2 {
            font-family: var(--font-heading);
            font-size: 1.6rem;
            font-weight: 700;
            color: var(--brand-text);
            margin: 0;
        }
        .content-grid-section .section-heading .result-count {
            font-size: 13px;
            color: var(--brand-text-muted);
        }
        .content-card {
            background: var(--brand-card);
            border-radius: var(--brand-radius);
            box-shadow: var(--brand-shadow-sm);
            border: 1px solid var(--brand-border);
            overflow: hidden;
            transition: var(--brand-transition);
            height: 100%;
            display: flex;
            flex-direction: column;
        }
        .content-card:hover {
            box-shadow: var(--brand-shadow-hover);
            transform: translateY(-4px);
            border-color: rgba(43, 108, 176, 0.3);
        }
        .content-card .card-thumb {
            position: relative;
            overflow: hidden;
            aspect-ratio: 16/10;
            background: var(--brand-bg);
        }
        .content-card .card-thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: var(--brand-transition);
        }
        .content-card:hover .card-thumb img {
            transform: scale(1.03);
        }
        .content-card .card-thumb .card-tag {
            position: absolute;
            top: 12px;
            left: 12px;
            background: var(--brand-accent);
            color: #ffffff;
            border-radius: 6px;
            padding: 4px 10px;
            font-size: 12px;
            font-weight: 600;
            letter-spacing: 0.02em;
        }
        .content-card .card-body {
            padding: 18px 20px 20px 20px;
            display: flex;
            flex-direction: column;
            flex: 1;
        }
        .content-card .card-body h3 {
            font-family: var(--font-heading);
            font-size: 1.05rem;
            font-weight: 600;
            color: var(--brand-text);
            margin: 0 0 8px 0;
            line-height: 1.5;
        }
        .content-card .card-body .card-desc {
            font-size: 14px;
            color: var(--brand-text-muted);
            line-height: 1.7;
            margin-bottom: 14px;
            flex: 1;
        }
        .content-card .card-body .card-meta {
            display: flex;
            align-items: center;
            gap: 12px;
            font-size: 12px;
            color: var(--brand-text-muted);
            padding-top: 12px;
            border-top: 1px solid var(--brand-border);
        }
        .content-card .card-body .card-meta .meta-date {
            display: flex;
            align-items: center;
            gap: 4px;
        }
        .content-card .card-body .card-meta .meta-tag {
            background: var(--brand-primary-light);
            color: var(--brand-primary);
            border-radius: 4px;
            padding: 2px 8px;
            font-size: 11px;
            font-weight: 600;
        }
        .content-card.wide-card {
            grid-column: span 2;
        }
        .content-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .service-matrix-section {
            padding: 56px 32px;
            background: var(--brand-card);
            border-top: 1px solid var(--brand-border);
            border-bottom: 1px solid var(--brand-border);
        }
        .service-matrix-section .section-header {
            margin-bottom: 36px;
        }
        .service-matrix-section .section-header h2 {
            font-family: var(--font-heading);
            font-size: 1.7rem;
            font-weight: 700;
            color: var(--brand-text);
            margin-bottom: 10px;
        }
        .service-matrix-section .section-header p {
            color: var(--brand-text-muted);
            font-size: 15px;
            max-width: 720px;
            line-height: 1.8;
        }
        .matrix-grid {
            display: grid;
            grid-template-columns: 1.2fr 0.8fr 1fr;
            gap: 20px;
        }
        .matrix-card {
            background: var(--brand-bg);
            border-radius: var(--brand-radius);
            padding: 28px 24px;
            border: 1px solid var(--brand-border);
            transition: var(--brand-transition);
            position: relative;
        }
        .matrix-card:hover {
            box-shadow: var(--brand-shadow);
            border-color: rgba(43, 108, 176, 0.25);
            transform: translateY(-3px);
        }
        .matrix-card.large-card {
            grid-row: span 2;
        }
        .matrix-card .matrix-icon {
            font-size: 2rem;
            color: var(--brand-primary);
            margin-bottom: 16px;
        }
        .matrix-card h3 {
            font-family: var(--font-heading);
            font-size: 1.2rem;
            font-weight: 700;
            color: var(--brand-text);
            margin-bottom: 10px;
        }
        .matrix-card p {
            font-size: 14px;
            color: var(--brand-text-muted);
            line-height: 1.8;
            margin-bottom: 0;
        }
        .matrix-card .matrix-stats {
            display: flex;
            gap: 20px;
            margin-top: 18px;
            flex-wrap: wrap;
        }
        .matrix-card .matrix-stat {
            display: flex;
            flex-direction: column;
        }
        .matrix-card .matrix-stat .ms-number {
            font-family: var(--font-numeric);
            font-size: 1.5rem;
            font-weight: 700;
            color: var(--brand-accent);
        }
        .matrix-card .matrix-stat .ms-label {
            font-size: 12px;
            color: var(--brand-text-muted);
        }
        .process-section {
            padding: 56px 32px;
            background: var(--brand-bg);
        }
        .process-section .section-header {
            margin-bottom: 36px;
        }
        .process-section .section-header h2 {
            font-family: var(--font-heading);
            font-size: 1.7rem;
            font-weight: 700;
            color: var(--brand-text);
            margin-bottom: 10px;
        }
        .process-section .section-header p {
            color: var(--brand-text-muted);
            font-size: 15px;
            max-width: 720px;
            line-height: 1.8;
        }
        .process-steps {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            counter-reset: step;
        }
        .process-step {
            background: var(--brand-card);
            border-radius: var(--brand-radius);
            padding: 24px 20px;
            border: 1px solid var(--brand-border);
            box-shadow: var(--brand-shadow-sm);
            position: relative;
            transition: var(--brand-transition);
        }
        .process-step:hover {
            box-shadow: var(--brand-shadow);
            transform: translateY(-3px);
        }
        .process-step .step-number {
            width: 36px;
            height: 36px;
            background: var(--brand-primary);
            color: #ffffff;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 1rem;
            margin-bottom: 14px;
            font-family: var(--font-numeric);
        }
        .process-step h3 {
            font-family: var(--font-heading);
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--brand-text);
            margin-bottom: 8px;
        }
        .process-step p {
            font-size: 13.5px;
            color: var(--brand-text-muted);
            line-height: 1.7;
            margin: 0;
        }
        .scenario-section {
            padding: 56px 32px;
            background: var(--brand-card);
            border-top: 1px solid var(--brand-border);
        }
        .scenario-section .section-header {
            margin-bottom: 30px;
        }
        .scenario-section .section-header h2 {
            font-family: var(--font-heading);
            font-size: 1.7rem;
            font-weight: 700;
            color: var(--brand-text);
            margin-bottom: 10px;
        }
        .scenario-section .section-header p {
            color: var(--brand-text-muted);
            font-size: 15px;
            line-height: 1.8;
        }
        .scenario-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }
        .scenario-item {
            display: flex;
            gap: 14px;
            background: var(--brand-bg);
            border-radius: var(--brand-radius);
            padding: 20px;
            border: 1px solid var(--brand-border);
            transition: var(--brand-transition);
        }
        .scenario-item:hover {
            box-shadow: var(--brand-shadow);
            transform: translateY(-2px);
        }
        .scenario-item .scenario-icon {
            font-size: 1.5rem;
            color: var(--brand-accent);
            flex-shrink: 0;
            margin-top: 2px;
        }
        .scenario-item h3 {
            font-family: var(--font-heading);
            font-size: 1rem;
            font-weight: 700;
            color: var(--brand-text);
            margin-bottom: 6px;
        }
        .scenario-item p {
            font-size: 13.5px;
            color: var(--brand-text-muted);
            line-height: 1.7;
            margin: 0;
        }
        .deep-content-section {
            padding: 56px 32px;
            background: var(--brand-bg);
        }
        .deep-content-section .section-header {
            margin-bottom: 28px;
        }
        .deep-content-section .section-header h2 {
            font-family: var(--font-heading);
            font-size: 1.7rem;
            font-weight: 700;
            color: var(--brand-text);
            margin-bottom: 10px;
        }
        .deep-content-block {
            background: var(--brand-card);
            border-radius: var(--brand-radius-lg);
            padding: 36px 32px;
            border: 1px solid var(--brand-border);
            box-shadow: var(--brand-shadow-sm);
            margin-bottom: 28px;
        }
        .deep-content-block h3 {
            font-family: var(--font-heading);
            font-size: 1.3rem;
            font-weight: 700;
            color: var(--brand-text);
            margin-bottom: 18px;
            padding-bottom: 12px;
            border-bottom: 2px solid var(--brand-primary-light);
        }
        .deep-content-block p {
            font-size: 15px;
            color: var(--brand-text-muted);
            line-height: 1.9;
            margin-bottom: 16px;
        }
        .deep-content-block p:last-child {
            margin-bottom: 0;
        }
        .deep-content-block ul {
            padding-left: 20px;
            color: var(--brand-text-muted);
            margin-bottom: 16px;
        }
        .deep-content-block ul li {
            margin-bottom: 8px;
            line-height: 1.8;
        }
        .deep-content-block .block-quote {
            background: var(--brand-primary-light);
            border-left: 4px solid var(--brand-primary);
            padding: 16px 20px;
            border-radius: 0 var(--brand-radius-sm) var(--brand-radius-sm) 0;
            margin: 20px 0;
            font-size: 14px;
            color: var(--brand-primary-dark);
            font-weight: 500;
            line-height: 1.8;
        }
        .metrics-section {
            padding: 56px 32px;
            background: var(--brand-card);
            border-top: 1px solid var(--brand-border);
            border-bottom: 1px solid var(--brand-border);
        }
        .metrics-section .section-header {
            margin-bottom: 30px;
        }
        .metrics-section .section-header h2 {
            font-family: var(--font-heading);
            font-size: 1.7rem;
            font-weight: 700;
            color: var(--brand-text);
            margin-bottom: 10px;
        }
        .metrics-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }
        .metric-card {
            background: var(--brand-bg);
            border-radius: var(--brand-radius);
            padding: 24px 20px;
            text-align: center;
            border: 1px solid var(--brand-border);
            transition: var(--brand-transition);
        }
        .metric-card:hover {
            box-shadow: var(--brand-shadow);
            transform: translateY(-3px);
        }
        .metric-card .metric-value {
            font-family: var(--font-numeric);
            font-size: 2.2rem;
            font-weight: 700;
            color: var(--brand-primary);
            line-height: 1.2;
        }
        .metric-card .metric-value.metric-accent {
            color: var(--brand-accent);
        }
        .metric-card .metric-label {
            font-size: 13px;
            color: var(--brand-text-muted);
            margin-top: 6px;
        }
        .faq-section {
            padding: 56px 32px;
            background: var(--brand-bg);
        }
        .faq-section .section-header {
            margin-bottom: 30px;
        }
        .faq-section .section-header h2 {
            font-family: var(--font-heading);
            font-size: 1.7rem;
            font-weight: 700;
            color: var(--brand-text);
            margin-bottom: 10px;
        }
        .faq-section .section-header p {
            color: var(--brand-text-muted);
            font-size: 15px;
            line-height: 1.8;
        }
        .accordion.custom-accordion .accordion-item {
            background: var(--brand-card);
            border: 1px solid var(--brand-border);
            border-radius: var(--brand-radius-sm);
            margin-bottom: 12px;
            overflow: hidden;
            box-shadow: var(--brand-shadow-sm);
            transition: var(--brand-transition);
        }
        .accordion.custom-accordion .accordion-item:hover {
            box-shadow: var(--brand-shadow);
        }
        .accordion.custom-accordion .accordion-header .accordion-button {
            background: var(--brand-card);
            color: var(--brand-text);
            font-weight: 700;
            font-size: 15px;
            padding: 18px 20px;
            border: none;
            box-shadow: none;
            transition: var(--brand-transition);
            cursor: pointer;
        }
        .accordion.custom-accordion .accordion-header .accordion-button:not(.collapsed) {
            background: var(--brand-primary-light);
            color: var(--brand-primary-dark);
            box-shadow: none;
        }
        .accordion.custom-accordion .accordion-header .accordion-button:focus {
            box-shadow: none;
            outline: 2px solid var(--brand-primary);
            outline-offset: -2px;
        }
        .accordion.custom-accordion .accordion-button::after {
            background-image: none;
            content: '\f078';
            font-family: 'Font Awesome 6 Free';
            font-weight: 900;
            font-size: 14px;
            color: var(--brand-text-muted);
            transition: var(--brand-transition);
        }
        .accordion.custom-accordion .accordion-button:not(.collapsed)::after {
            content: '\f077';
            color: var(--brand-primary);
        }
        .accordion.custom-accordion .accordion-body {
            font-size: 15px;
            color: var(--brand-text-muted);
            line-height: 1.8;
            padding: 16px 20px 20px 20px;
            background: var(--brand-card);
            border-top: 1px solid var(--brand-border);
        }
        .cta-section {
            padding: 56px 32px;
            background: var(--brand-card);
            border-top: 1px solid var(--brand-border);
        }
        .cta-section .cta-wrapper {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
            align-items: start;
            background: var(--brand-bg);
            border-radius: var(--brand-radius-lg);
            padding: 40px;
            border: 1px solid var(--brand-border);
        }
        .cta-section .cta-left h2 {
            font-family: var(--font-heading);
            font-size: 1.6rem;
            font-weight: 700;
            color: var(--brand-text);
            margin-bottom: 14px;
        }
        .cta-section .cta-left p {
            font-size: 15px;
            color: var(--brand-text-muted);
            line-height: 1.8;
            margin-bottom: 18px;
        }
        .cta-section .cta-left ul {
            padding-left: 20px;
            color: var(--brand-text-muted);
            line-height: 1.9;
            margin-bottom: 0;
        }
        .cta-section .cta-left ul li {
            margin-bottom: 6px;
        }
        .cta-section .cta-form-card {
            background: var(--brand-card);
            border-radius: var(--brand-radius);
            padding: 28px;
            border: 1px solid var(--brand-border);
            box-shadow: var(--brand-shadow);
        }
        .cta-section .cta-form-card h3 {
            font-family: var(--font-heading);
            font-size: 1.15rem;
            font-weight: 700;
            color: var(--brand-text);
            margin-bottom: 18px;
        }
        .cta-section .form-group {
            margin-bottom: 14px;
        }
        .cta-section .form-group label {
            font-size: 13px;
            font-weight: 600;
            color: var(--brand-text);
            margin-bottom: 5px;
            display: block;
        }
        .cta-section .form-group input,
        .cta-section .form-group select,
        .cta-section .form-group textarea {
            width: 100%;
            border: 1px solid var(--brand-border);
            border-radius: var(--brand-radius-sm);
            padding: 10px 14px;
            background: var(--brand-card);
            color: var(--brand-text);
            font-size: 14px;
            transition: var(--brand-transition);
        }
        .cta-section .form-group input:focus,
        .cta-section .form-group select:focus,
        .cta-section .form-group textarea:focus {
            border-color: var(--brand-primary);
            outline: none;
            box-shadow: 0 0 0 3px rgba(43, 108, 176, 0.1);
        }
        .cta-section .form-group textarea {
            min-height: 100px;
            resize: vertical;
        }
        .pagination-wrapper {
            padding: 32px 32px 48px 32px;
            background: var(--brand-bg);
            display: flex;
            justify-content: center;
        }
        .pagination.custom-pagination .page-link {
            border: 1px solid var(--brand-border);
            background: var(--brand-card);
            color: var(--brand-text);
            font-weight: 500;
            font-size: 14px;
            padding: 8px 16px;
            border-radius: var(--brand-radius-sm);
            margin: 0 3px;
            transition: var(--brand-transition);
        }
        .pagination.custom-pagination .page-link:hover {
            background: var(--brand-primary-light);
            border-color: var(--brand-primary);
            color: var(--brand-primary);
        }
        .pagination.custom-pagination .page-item.active .page-link {
            background: var(--brand-primary);
            border-color: var(--brand-primary);
            color: #ffffff;
        }
        .pagination.custom-pagination .page-item.disabled .page-link {
            background: var(--brand-bg);
            color: var(--brand-text-muted);
            border-color: var(--brand-border);
            cursor: not-allowed;
        }
        .app-shell-footer {
            background: #1A2433;
            color: #B0BECD;
            padding: 40px 32px 30px 32px;
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            margin-left: var(--sidebar-width);
        }
        .app-shell-footer .brand-container {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 30px;
            align-items: start;
        }
        .app-shell-footer .footer-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            font-family: var(--font-heading);
            font-weight: 700;
            font-size: 1.25rem;
            color: #ffffff;
            margin-bottom: 12px;
        }
        .app-shell-footer .footer-brand i {
            color: var(--brand-accent);
        }
        .app-shell-footer .footer-text {
            font-size: 13.5px;
            color: #B0BECD;
            line-height: 1.8;
            max-width: 480px;
            margin-bottom: 16px;
        }
        .app-shell-footer .footer-links {
            display: flex;
            flex-wrap: wrap;
            gap: 8px 18px;
            margin-bottom: 16px;
        }
        .app-shell-footer .footer-links a {
            color: #B0BECD;
            font-size: 13px;
            transition: var(--brand-transition);
        }
        .app-shell-footer .footer-links a:hover {
            color: #ffffff;
        }
        .app-shell-footer .footer-copyright {
            font-size: 12px;
            color: #7A8BA0;
            line-height: 1.7;
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding-top: 16px;
            margin-top: 8px;
            grid-column: span 2;
        }
        @media (max-width: 1199.98px) {
            .app-shell-sidebar {
                width: 220px;
            }
            .app-shell-main {
                margin-left: 220px;
            }
            .app-shell-footer {
                margin-left: 220px;
            }
            .content-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .matrix-grid {
                grid-template-columns: 1fr 1fr;
            }
            .process-steps {
                grid-template-columns: repeat(2, 1fr);
            }
            .metrics-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .category-hero {
                padding: 56px 24px 48px 24px;
            }
            .content-grid-section,
            .service-matrix-section,
            .process-section,
            .scenario-section,
            .deep-content-section,
            .metrics-section,
            .faq-section,
            .cta-section {
                padding: 40px 24px;
            }
            .pagination-wrapper {
                padding: 24px 24px 40px 24px;
            }
        }
        @media (max-width: 991.98px) {
            .app-shell-sidebar {
                display: none;
            }
            .app-shell-mobile-header {
                display: flex;
            }
            .app-shell-main {
                margin-left: 0;
                padding-top: var(--navbar-mobile-height);
            }
            .app-shell-footer {
                margin-left: 0;
            }
            .brand-container {
                padding-left: 20px;
                padding-right: 20px;
            }
            .category-hero {
                padding: 48px 20px 40px 20px;
            }
            .category-hero h1 {
                font-size: 1.9rem;
            }
            .content-grid-section,
            .service-matrix-section,
            .process-section,
            .scenario-section,
            .deep-content-section,
            .metrics-section,
            .faq-section,
            .cta-section {
                padding: 36px 20px;
            }
            .filter-toolbar {
                padding: 12px 20px;
            }
            .content-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 16px;
            }
            .matrix-grid {
                grid-template-columns: 1fr;
            }
            .scenario-grid {
                grid-template-columns: 1fr 1fr;
            }
            .metrics-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .cta-section .cta-wrapper {
                grid-template-columns: 1fr;
                padding: 24px;
            }
            .deep-content-block {
                padding: 24px 20px;
            }
            .app-shell-footer .brand-container {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .app-shell-footer .footer-copyright {
                grid-column: span 1;
            }
        }
        @media (max-width: 767.98px) {
            .brand-container {
                padding-left: 16px;
                padding-right: 16px;
            }
            .category-hero {
                padding: 36px 16px 32px 16px;
            }
            .category-hero h1 {
                font-size: 1.5rem;
            }
            .category-hero .hero-stats {
                gap: 20px;
                margin-top: 20px;
            }
            .content-grid-section,
            .service-matrix-section,
            .process-section,
            .scenario-section,
            .deep-content-section,
            .metrics-section,
            .faq-section,
            .cta-section {
                padding: 28px 16px;
            }
            .content-grid {
                grid-template-columns: 1fr;
            }
            .content-card.wide-card {
                grid-column: span 1;
            }
            .process-steps {
                grid-template-columns: 1fr;
            }
            .scenario-grid {
                grid-template-columns: 1fr;
            }
            .metrics-grid {
                grid-template-columns: 1fr 1fr;
                gap: 12px;
            }
            .metric-card {
                padding: 16px 12px;
            }
            .metric-card .metric-value {
                font-size: 1.7rem;
            }
            .filter-toolbar .filter-row {
                gap: 8px;
            }
            .filter-toolbar .filter-chip {
                padding: 4px 10px;
                font-size: 12px;
            }
            .cta-section .cta-wrapper {
                padding: 16px;
            }
            .cta-section .cta-form-card {
                padding: 18px;
            }
            .deep-content-block {
                padding: 18px 16px;
            }
            .app-shell-footer {
                padding: 28px 16px 24px 16px;
            }
            .app-shell-footer .footer-brand {
                font-size: 1.1rem;
            }
        }
        @media (max-width: 575.98px) {
            .category-hero h1 {
                font-size: 1.3rem;
            }
            .category-hero .hero-desc {
                font-size: 0.95rem;
            }
            .category-hero .hero-actions {
                flex-direction: column;
                width: 100%;
            }
            .category-hero .hero-actions .btn-brand,
            .category-hero .hero-actions .btn-outline-brand {
                width: 100%;
                justify-content: center;
            }
            .content-grid-section .section-heading h2,
            .service-matrix-section .section-header h2,
            .process-section .section-header h2,
            .scenario-section .section-header h2,
            .deep-content-section .section-header h2,
            .metrics-section .section-header h2,
            .faq-section .section-header h2 {
                font-size: 1.3rem;
            }
            .metrics-grid {
                grid-template-columns: 1fr;
            }
            .filter-toolbar .filter-select {
                width: 100%;
            }
        }

/* roulang page: category4 */
:root {
            --brand-primary: #2B6CB0;
            --brand-primary-dark: #1F5E9E;
            --brand-primary-light: #EAF2FB;
            --brand-accent: #E85A2A;
            --brand-accent-hover: #D94A1E;
            --brand-bg: #F6F8FC;
            --brand-card: #FFFFFF;
            --brand-text: #1A2433;
            --brand-text-muted: #6B7A90;
            --brand-border: #E5EAF2;
            --brand-success: #2A9D8F;
            --brand-radius: 14px;
            --brand-radius-sm: 10px;
            --brand-radius-lg: 18px;
            --brand-shadow: 0 8px 24px rgba(15, 45, 80, 0.08);
            --brand-shadow-hover: 0 12px 32px rgba(15, 45, 80, 0.16);
            --brand-shadow-sm: 0 2px 8px rgba(15, 45, 80, 0.06);
            --brand-transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --sidebar-width: 248px;
            --navbar-mobile-height: 60px;
            --font-heading: 'PingFang SC', 'Microsoft YaHei', '思源黑体', '阿里巴巴普惠体', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
            --font-body: 'PingFang SC', 'Microsoft YaHei', '思源黑体', '阿里巴巴普惠体', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
            --font-numeric: 'DIN Alternate', 'Roboto Condensed', 'Barlow Condensed', 'PingFang SC', 'Microsoft YaHei', sans-serif;
        }

        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }

        body {
            font-family: var(--font-body);
            font-size: 15px;
            line-height: 1.75;
            color: var(--brand-text);
            background-color: var(--brand-bg);
            margin: 0;
            padding: 0;
            overflow-x: hidden;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        a {
            color: var(--brand-primary);
            text-decoration: none;
            transition: var(--brand-transition);
        }
        a:hover {
            color: var(--brand-primary-dark);
            text-decoration: none;
        }
        a:focus-visible {
            outline: 2px solid var(--brand-primary);
            outline-offset: 2px;
            border-radius: 4px;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        button,
        input,
        select,
        textarea {
            font-family: var(--font-body);
            font-size: 14px;
        }
        button:focus-visible,
        input:focus-visible,
        select:focus-visible,
        textarea:focus-visible {
            outline: 2px solid var(--brand-primary);
            outline-offset: 1px;
        }

        .brand-container {
            max-width: 1240px;
            margin: 0 auto;
            padding-left: 32px;
            padding-right: 32px;
        }

        /* App Shell Sidebar */
        .app-shell-wrapper {
            display: flex;
            min-height: 100vh;
        }
        .app-shell-sidebar {
            position: fixed;
            top: 0;
            left: 0;
            bottom: 0;
            width: var(--sidebar-width);
            background: var(--brand-card);
            border-right: 1px solid var(--brand-border);
            display: flex;
            flex-direction: column;
            padding: 20px 14px;
            z-index: 1020;
            overflow-y: auto;
        }
        .app-shell-sidebar .sidebar-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-family: var(--font-heading);
            font-weight: 700;
            font-size: 1.3rem;
            color: var(--brand-primary-dark);
            padding: 6px 10px 18px 10px;
            border-bottom: 1px solid var(--brand-border);
            margin-bottom: 16px;
        }
        .app-shell-sidebar .sidebar-logo i {
            font-size: 1.4rem;
            color: var(--brand-accent);
        }
        .app-shell-sidebar .sidebar-logo span {
            color: var(--brand-text);
        }
        .app-shell-sidebar nav {
            display: flex;
            flex-direction: column;
            gap: 4px;
            flex: 1;
        }
        .app-shell-sidebar nav a {
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 10px 12px;
            border-radius: var(--brand-radius-sm);
            color: var(--brand-text-muted);
            font-weight: 500;
            font-size: 14px;
            transition: var(--brand-transition);
            position: relative;
            border-left: 3px solid transparent;
        }
        .app-shell-sidebar nav a i {
            width: 20px;
            text-align: center;
            font-size: 15px;
            color: var(--brand-text-muted);
            transition: var(--brand-transition);
        }
        .app-shell-sidebar nav a:hover {
            background: var(--brand-primary-light);
            color: var(--brand-primary-dark);
        }
        .app-shell-sidebar nav a:hover i {
            color: var(--brand-primary);
        }
        .app-shell-sidebar nav a.active {
            background: var(--brand-primary-light);
            color: var(--brand-primary-dark);
            font-weight: 600;
            border-left: 3px solid var(--brand-primary);
        }
        .app-shell-sidebar nav a.active i {
            color: var(--brand-primary);
        }
        .app-shell-sidebar .sidebar-footer-meta {
            padding: 12px 10px 4px 10px;
            font-size: 11px;
            color: var(--brand-text-muted);
            border-top: 1px solid var(--brand-border);
            margin-top: 12px;
        }

        /* Mobile Header */
        .app-shell-mobile-header {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            height: var(--navbar-mobile-height);
            background: var(--brand-card);
            border-bottom: 1px solid var(--brand-border);
            z-index: 1030;
            align-items: center;
            padding: 0 16px;
            gap: 12px;
            box-shadow: 0 2px 8px rgba(15, 45, 80, 0.04);
        }
        .app-shell-mobile-header .btn-menu {
            background: transparent;
            border: none;
            color: var(--brand-text);
            font-size: 1.3rem;
            padding: 6px 8px;
            border-radius: 8px;
            transition: var(--brand-transition);
        }
        .app-shell-mobile-header .btn-menu:hover {
            background: var(--brand-primary-light);
            color: var(--brand-primary);
        }
        .app-shell-mobile-header .mobile-logo {
            display: flex;
            align-items: center;
            gap: 8px;
            font-weight: 700;
            font-size: 1.1rem;
            color: var(--brand-primary-dark);
        }
        .app-shell-mobile-header .mobile-logo i {
            color: var(--brand-accent);
            font-size: 1.2rem;
        }

        /* Offcanvas Mobile Sidebar */
        .mobile-offcanvas {
            width: 280px !important;
            background: var(--brand-card);
        }
        .mobile-offcanvas .offcanvas-header {
            border-bottom: 1px solid var(--brand-border);
            padding: 16px 20px;
        }
        .mobile-offcanvas .offcanvas-title {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 700;
            font-size: 1.2rem;
            color: var(--brand-primary-dark);
        }
        .mobile-offcanvas .offcanvas-title i {
            color: var(--brand-accent);
        }
        .mobile-offcanvas .offcanvas-body {
            padding: 16px 12px;
        }
        .mobile-offcanvas nav {
            display: flex;
            flex-direction: column;
            gap: 4px;
        }
        .mobile-offcanvas nav a {
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 11px 14px;
            border-radius: var(--brand-radius-sm);
            color: var(--brand-text-muted);
            font-weight: 500;
            font-size: 14px;
            transition: var(--brand-transition);
            border-left: 3px solid transparent;
        }
        .mobile-offcanvas nav a i {
            width: 20px;
            text-align: center;
            font-size: 15px;
        }
        .mobile-offcanvas nav a:hover {
            background: var(--brand-primary-light);
            color: var(--brand-primary-dark);
        }
        .mobile-offcanvas nav a.active {
            background: var(--brand-primary-light);
            color: var(--brand-primary-dark);
            font-weight: 600;
            border-left: 3px solid var(--brand-primary);
        }

        /* Main Content */
        .app-shell-main {
            flex: 1;
            margin-left: var(--sidebar-width);
            min-width: 0;
            padding-top: 0;
        }

        /* Section Base */
        .content-section {
            padding: 48px 0;
        }
        .content-section-sm {
            padding: 32px 0;
        }
        .section-label {
            display: inline-block;
            font-size: 13px;
            font-weight: 600;
            color: var(--brand-accent);
            letter-spacing: 0.5px;
            margin-bottom: 8px;
            text-transform: uppercase;
        }
        .section-title {
            font-family: var(--font-heading);
            font-size: 1.75rem;
            font-weight: 700;
            color: var(--brand-text);
            margin-bottom: 12px;
            line-height: 1.4;
        }
        .section-subtitle {
            font-size: 16px;
            color: var(--brand-text-muted);
            margin-bottom: 24px;
            line-height: 1.8;
        }

        /* Hero */
        .category-hero {
            background-image: url('/assets/images/backpic/back-1.webp');
            background-size: cover;
            background-position: center;
            position: relative;
            padding: 64px 0 48px 0;
            margin-bottom: 32px;
        }
        .category-hero::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: rgba(246, 248, 252, 0.92);
            z-index: 1;
        }
        .category-hero .brand-container {
            position: relative;
            z-index: 2;
        }
        .category-hero .hero-breadcrumb {
            font-size: 13px;
            color: var(--brand-text-muted);
            margin-bottom: 16px;
        }
        .category-hero .hero-breadcrumb a {
            color: var(--brand-primary);
        }
        .category-hero h1 {
            font-family: var(--font-heading);
            font-size: 2.25rem;
            font-weight: 700;
            color: var(--brand-text);
            margin-bottom: 14px;
            line-height: 1.35;
        }
        .category-hero .hero-desc {
            font-size: 16px;
            color: var(--brand-text-muted);
            max-width: 720px;
            line-height: 1.8;
            margin-bottom: 22px;
        }
        .hero-actions {
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
        }

        /* Buttons */
        .btn-brand-primary {
            background: var(--brand-primary);
            color: #fff;
            border: none;
            padding: 10px 22px;
            border-radius: 12px;
            font-weight: 600;
            font-size: 14px;
            transition: var(--brand-transition);
            display: inline-flex;
            align-items: center;
            gap: 8px;
            cursor: pointer;
            text-decoration: none;
        }
        .btn-brand-primary:hover,
        .btn-brand-primary:focus {
            background: var(--brand-primary-dark);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 6px 16px rgba(43, 108, 176, 0.3);
            text-decoration: none;
        }
        .btn-brand-primary:active {
            transform: translateY(0);
            box-shadow: none;
        }
        .btn-brand-secondary {
            background: transparent;
            color: var(--brand-primary);
            border: 1.5px solid var(--brand-primary);
            padding: 9px 20px;
            border-radius: 12px;
            font-weight: 600;
            font-size: 14px;
            transition: var(--brand-transition);
            display: inline-flex;
            align-items: center;
            gap: 8px;
            cursor: pointer;
            text-decoration: none;
        }
        .btn-brand-secondary:hover,
        .btn-brand-secondary:focus {
            background: var(--brand-primary-light);
            color: var(--brand-primary-dark);
            border-color: var(--brand-primary-dark);
            transform: translateY(-2px);
            text-decoration: none;
        }
        .btn-brand-secondary:active {
            transform: translateY(0);
        }
        .btn-brand-accent {
            background: var(--brand-accent);
            color: #fff;
            border: none;
            padding: 10px 22px;
            border-radius: 12px;
            font-weight: 600;
            font-size: 14px;
            transition: var(--brand-transition);
            display: inline-flex;
            align-items: center;
            gap: 8px;
            cursor: pointer;
            text-decoration: none;
        }
        .btn-brand-accent:hover,
        .btn-brand-accent:focus {
            background: var(--brand-accent-hover);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 6px 16px rgba(232, 90, 42, 0.3);
            text-decoration: none;
        }
        .btn-brand-sm {
            padding: 7px 14px;
            font-size: 13px;
            border-radius: 8px;
        }

        /* Metric Cards */
        .metric-strip {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 16px;
            margin-bottom: 32px;
        }
        .metric-card {
            background: var(--brand-card);
            border-radius: var(--brand-radius);
            padding: 20px 22px;
            box-shadow: var(--brand-shadow-sm);
            border: 1px solid rgba(30, 60, 100, 0.06);
            transition: var(--brand-transition);
            position: relative;
            overflow: hidden;
        }
        .metric-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 3px;
            background: var(--brand-primary);
        }
        .metric-card.accent::before {
            background: var(--brand-accent);
        }
        .metric-card.success::before {
            background: var(--brand-success);
        }
        .metric-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--brand-shadow-hover);
        }
        .metric-card .metric-value {
            font-family: var(--font-numeric);
            font-size: 2.2rem;
            font-weight: 700;
            color: var(--brand-text);
            line-height: 1.2;
            margin-bottom: 4px;
        }
        .metric-card .metric-label {
            font-size: 13px;
            color: var(--brand-text-muted);
            font-weight: 500;
        }
        .metric-card .metric-trend {
            display: inline-block;
            font-size: 12px;
            font-weight: 600;
            padding: 2px 8px;
            border-radius: 6px;
            margin-top: 6px;
            background: var(--brand-primary-light);
            color: var(--brand-primary);
        }
        .metric-card .metric-trend.up {
            background: rgba(42, 157, 143, 0.1);
            color: var(--brand-success);
        }

        /* Filter Toolbar */
        .filter-toolbar {
            background: var(--brand-card);
            border-radius: var(--brand-radius);
            border: 1px solid var(--brand-border);
            padding: 16px 20px;
            margin-bottom: 28px;
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 12px;
            box-shadow: var(--brand-shadow-sm);
        }
        .filter-toolbar .filter-group {
            display: flex;
            align-items: center;
            gap: 8px;
            flex-wrap: wrap;
        }
        .filter-toolbar label {
            font-size: 13px;
            font-weight: 600;
            color: var(--brand-text-muted);
            margin-right: 4px;
        }
        .filter-toolbar .form-select,
        .filter-toolbar .form-control {
            border: 1px solid var(--brand-border);
            border-radius: 10px;
            padding: 7px 14px;
            font-size: 13px;
            color: var(--brand-text);
            background: var(--brand-bg);
            transition: var(--brand-transition);
            min-width: 130px;
        }
        .filter-toolbar .form-select:focus,
        .filter-toolbar .form-control:focus {
            border-color: var(--brand-primary);
            box-shadow: 0 0 0 3px rgba(43, 108, 176, 0.12);
            background: #fff;
        }
        .filter-toolbar .filter-tags {
            display: flex;
            gap: 8px;
            flex-wrap: wrap;
            margin-left: auto;
        }
        .filter-toolbar .filter-tag {
            display: inline-block;
            padding: 5px 14px;
            border-radius: 20px;
            font-size: 12px;
            font-weight: 500;
            background: var(--brand-bg);
            color: var(--brand-text-muted);
            border: 1px solid var(--brand-border);
            cursor: pointer;
            transition: var(--brand-transition);
            white-space: nowrap;
        }
        .filter-toolbar .filter-tag:hover,
        .filter-toolbar .filter-tag.active {
            background: var(--brand-primary);
            color: #fff;
            border-color: var(--brand-primary);
        }

        /* Content Card Grid - Asymmetric */
        .content-card-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
            margin-bottom: 32px;
        }
        .content-card-grid.asymmetric .content-item-card:nth-child(1) {
            grid-column: span 2;
            grid-row: span 2;
        }
        .content-card-grid.asymmetric .content-item-card:nth-child(1) .card-img-wrap {
            min-height: 320px;
        }
        .content-item-card {
            background: var(--brand-card);
            border-radius: var(--brand-radius);
            overflow: hidden;
            border: 1px solid rgba(30, 60, 100, 0.06);
            box-shadow: var(--brand-shadow-sm);
            transition: var(--brand-transition);
            display: flex;
            flex-direction: column;
        }
        .content-item-card:hover {
            transform: translateY(-5px);
            box-shadow: var(--brand-shadow-hover);
            border-color: rgba(43, 108, 176, 0.2);
        }
        .content-item-card .card-img-wrap {
            position: relative;
            overflow: hidden;
            min-height: 200px;
            background: var(--brand-bg);
        }
        .content-item-card .card-img-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: var(--brand-transition);
        }
        .content-item-card:hover .card-img-wrap img {
            transform: scale(1.04);
        }
        .content-item-card .card-img-wrap .card-badge {
            position: absolute;
            top: 12px;
            left: 12px;
            background: var(--brand-accent);
            color: #fff;
            padding: 4px 12px;
            border-radius: 6px;
            font-size: 12px;
            font-weight: 600;
            z-index: 2;
        }
        .content-item-card .card-img-wrap .card-date {
            position: absolute;
            bottom: 10px;
            right: 12px;
            color: #fff;
            font-size: 12px;
            background: rgba(26, 36, 51, 0.7);
            padding: 3px 10px;
            border-radius: 6px;
            z-index: 2;
            font-family: var(--font-numeric);
        }
        .content-item-card .card-body-custom {
            padding: 18px 20px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .content-item-card .card-title {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--brand-text);
            margin-bottom: 8px;
            line-height: 1.5;
            font-family: var(--font-heading);
        }
        .content-item-card .card-text {
            font-size: 14px;
            color: var(--brand-text-muted);
            line-height: 1.7;
            flex: 1;
            margin-bottom: 14px;
        }
        .content-item-card .card-meta {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 8px;
            flex-wrap: wrap;
        }
        .content-item-card .card-meta .meta-tag {
            font-size: 12px;
            color: var(--brand-primary);
            background: var(--brand-primary-light);
            padding: 3px 10px;
            border-radius: 6px;
            font-weight: 500;
        }
        .content-item-card .card-meta .meta-link {
            font-size: 13px;
            font-weight: 600;
            color: var(--brand-primary);
            text-decoration: none;
            display: inline-flex;
            align-items: center;
            gap: 4px;
        }
        .content-item-card .card-meta .meta-link:hover {
            color: var(--brand-primary-dark);
        }

        /* Pagination */
        .pagination-custom {
            display: flex;
            justify-content: center;
            gap: 6px;
            margin-top: 16px;
            flex-wrap: wrap;
        }
        .pagination-custom .page-link-custom {
            padding: 8px 16px;
            border-radius: 10px;
            background: var(--brand-card);
            border: 1px solid var(--brand-border);
            color: var(--brand-text-muted);
            font-size: 14px;
            font-weight: 500;
            transition: var(--brand-transition);
            cursor: pointer;
            text-decoration: none;
            display: inline-block;
        }
        .pagination-custom .page-link-custom:hover {
            background: var(--brand-primary-light);
            color: var(--brand-primary-dark);
            border-color: var(--brand-primary);
        }
        .pagination-custom .page-link-custom.active {
            background: var(--brand-primary);
            color: #fff;
            border-color: var(--brand-primary);
        }
        .pagination-custom .page-link-custom.disabled {
            opacity: 0.5;
            cursor: not-allowed;
            pointer-events: none;
        }

        /* Service Matrix - Asymmetric */
        .service-matrix-asym {
            display: grid;
            grid-template-columns: 1.2fr 0.8fr;
            gap: 20px;
            margin-bottom: 20px;
        }
        .service-matrix-asym.reverse {
            grid-template-columns: 0.8fr 1.2fr;
        }
        .service-feature-card {
            background: var(--brand-card);
            border-radius: var(--brand-radius);
            padding: 28px 26px;
            border: 1px solid rgba(30, 60, 100, 0.06);
            box-shadow: var(--brand-shadow-sm);
            transition: var(--brand-transition);
            display: flex;
            flex-direction: column;
        }
        .service-feature-card:hover {
            box-shadow: var(--brand-shadow-hover);
            transform: translateY(-4px);
        }
        .service-feature-card .service-icon {
            width: 48px;
            height: 48px;
            border-radius: 12px;
            background: var(--brand-primary-light);
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 16px;
        }
        .service-feature-card .service-icon i {
            font-size: 1.3rem;
            color: var(--brand-primary);
        }
        .service-feature-card .service-icon.accent {
            background: rgba(232, 90, 42, 0.1);
        }
        .service-feature-card .service-icon.accent i {
            color: var(--brand-accent);
        }
        .service-feature-card .service-title {
            font-size: 1.15rem;
            font-weight: 700;
            color: var(--brand-text);
            margin-bottom: 10px;
            font-family: var(--font-heading);
        }
        .service-feature-card .service-desc {
            font-size: 14px;
            color: var(--brand-text-muted);
            line-height: 1.75;
            margin-bottom: 14px;
            flex: 1;
        }
        .service-feature-card .service-tag-row {
            display: flex;
            gap: 8px;
            flex-wrap: wrap;
        }
        .service-feature-card .service-tag {
            font-size: 12px;
            color: var(--brand-text-muted);
            background: var(--brand-bg);
            padding: 4px 12px;
            border-radius: 20px;
            font-weight: 500;
        }
        .service-feature-card .service-cover {
            border-radius: 10px;
            overflow: hidden;
            margin-bottom: 16px;
            min-height: 180px;
            background: var(--brand-bg);
        }
        .service-feature-card .service-cover img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        /* Data Band */
        .data-band {
            background: var(--brand-card);
            border-radius: var(--brand-radius);
            padding: 20px 24px;
            border: 1px solid rgba(30, 60, 100, 0.06);
            box-shadow: var(--brand-shadow-sm);
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 20px;
            margin-bottom: 20px;
        }
        .data-band .data-band-item {
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .data-band .data-band-item .band-icon {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: var(--brand-primary-light);
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
        }
        .data-band .data-band-item .band-icon i {
            color: var(--brand-primary);
            font-size: 1rem;
        }
        .data-band .data-band-item .band-info {
            display: flex;
            flex-direction: column;
        }
        .data-band .data-band-item .band-value {
            font-family: var(--font-numeric);
            font-weight: 700;
            font-size: 1.4rem;
            color: var(--brand-text);
            line-height: 1.2;
        }
        .data-band .data-band-item .band-label {
            font-size: 12px;
            color: var(--brand-text-muted);
        }
        .data-band .data-divider {
            width: 1px;
            height: 40px;
            background: var(--brand-border);
            flex-shrink: 0;
        }

        /* Steps */
        .steps-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 16px;
            margin-bottom: 20px;
        }
        .step-item {
            background: var(--brand-card);
            border-radius: var(--brand-radius);
            padding: 22px 20px;
            border: 1px solid rgba(30, 60, 100, 0.06);
            box-shadow: var(--brand-shadow-sm);
            text-align: center;
            transition: var(--brand-transition);
            position: relative;
        }
        .step-item:hover {
            transform: translateY(-4px);
            box-shadow: var(--brand-shadow-hover);
        }
        .step-item .step-number {
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background: var(--brand-primary);
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 1rem;
            margin: 0 auto 12px;
            font-family: var(--font-numeric);
        }
        .step-item .step-number.accent {
            background: var(--brand-accent);
        }
        .step-item .step-title {
            font-weight: 700;
            font-size: 0.95rem;
            color: var(--brand-text);
            margin-bottom: 6px;
            font-family: var(--font-heading);
        }
        .step-item .step-desc {
            font-size: 13px;
            color: var(--brand-text-muted);
            line-height: 1.7;
        }

        /* Scenario Cards */
        .scenario-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 18px;
            margin-bottom: 20px;
        }
        .scenario-card {
            background: var(--brand-card);
            border-radius: var(--brand-radius);
            padding: 22px 20px;
            border: 1px solid rgba(30, 60, 100, 0.06);
            box-shadow: var(--brand-shadow-sm);
            transition: var(--brand-transition);
        }
        .scenario-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--brand-shadow-hover);
        }
        .scenario-card .scenario-icon {
            font-size: 1.5rem;
            color: var(--brand-accent);
            margin-bottom: 10px;
        }
        .scenario-card .scenario-title {
            font-weight: 700;
            font-size: 0.95rem;
            color: var(--brand-text);
            margin-bottom: 8px;
        }
        .scenario-card .scenario-desc {
            font-size: 13px;
            color: var(--brand-text-muted);
            line-height: 1.7;
        }

        /* Comparison Table */
        .comparison-table-wrap {
            background: var(--brand-card);
            border-radius: var(--brand-radius);
            overflow: hidden;
            border: 1px solid rgba(30, 60, 100, 0.06);
            box-shadow: var(--brand-shadow-sm);
            margin-bottom: 20px;
        }
        .comparison-table-wrap .table {
            margin-bottom: 0;
        }
        .comparison-table-wrap .table thead {
            background: var(--brand-primary-light);
        }
        .comparison-table-wrap .table thead th {
            font-weight: 700;
            font-size: 14px;
            color: var(--brand-primary-dark);
            padding: 14px 18px;
            border-bottom: 2px solid var(--brand-primary);
            white-space: nowrap;
            font-family: var(--font-heading);
        }
        .comparison-table-wrap .table tbody td {
            padding: 14px 18px;
            font-size: 14px;
            color: var(--brand-text);
            border-color: var(--brand-border);
            vertical-align: middle;
        }
        .comparison-table-wrap .table tbody tr:hover {
            background: var(--brand-bg);
        }
        .comparison-table-wrap .badge-advantage {
            background: rgba(42, 157, 143, 0.1);
            color: var(--brand-success);
            font-weight: 600;
            padding: 3px 10px;
            border-radius: 6px;
            font-size: 12px;
        }
        .comparison-table-wrap .badge-basic {
            background: var(--brand-bg);
            color: var(--brand-text-muted);
            font-weight: 500;
            padding: 3px 10px;
            border-radius: 6px;
            font-size: 12px;
        }

        /* FAQ */
        .faq-accordion .accordion-item {
            border: 1px solid var(--brand-border);
            border-radius: var(--brand-radius) !important;
            margin-bottom: 12px;
            overflow: hidden;
            background: var(--brand-card);
            box-shadow: var(--brand-shadow-sm);
        }
        .faq-accordion .accordion-button {
            font-weight: 700;
            font-size: 15px;
            color: var(--brand-text);
            background: var(--brand-card);
            padding: 16px 20px;
            border-radius: var(--brand-radius) !important;
            transition: var(--brand-transition);
        }
        .faq-accordion .accordion-button:not(.collapsed) {
            background: var(--brand-primary-light);
            color: var(--brand-primary-dark);
            box-shadow: none;
            border-left: 3px solid var(--brand-primary);
        }
        .faq-accordion .accordion-button:focus {
            box-shadow: none;
            border-color: var(--brand-primary);
        }
        .faq-accordion .accordion-body {
            padding: 16px 20px;
            font-size: 15px;
            line-height: 1.8;
            color: var(--brand-text-muted);
            background: #fff;
        }

        /* CTA Form */
        .cta-section {
            background: var(--brand-bg);
            border-radius: var(--brand-radius-lg);
            padding: 40px 36px;
            border: 1px solid var(--brand-border);
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 32px;
            align-items: center;
            margin-bottom: 32px;
        }
        .cta-section .cta-left .cta-title {
            font-size: 1.5rem;
            font-weight: 700;
            color: var(--brand-text);
            margin-bottom: 12px;
            font-family: var(--font-heading);
        }
        .cta-section .cta-left .cta-desc {
            font-size: 15px;
            color: var(--brand-text-muted);
            line-height: 1.8;
            margin-bottom: 16px;
        }
        .cta-section .cta-left .cta-points {
            list-style: none;
            padding: 0;
            margin: 0 0 16px 0;
        }
        .cta-section .cta-left .cta-points li {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            color: var(--brand-text);
            margin-bottom: 8px;
        }
        .cta-section .cta-left .cta-points li i {
            color: var(--brand-success);
            font-size: 0.9rem;
        }
        .cta-form-card {
            background: var(--brand-card);
            border-radius: var(--brand-radius);
            padding: 28px 26px;
            box-shadow: var(--brand-shadow);
            border: 1px solid rgba(30, 60, 100, 0.06);
        }
        .cta-form-card .form-label {
            font-weight: 600;
            font-size: 13px;
            color: var(--brand-text);
            margin-bottom: 6px;
        }
        .cta-form-card .form-control,
        .cta-form-card .form-select {
            border: 1px solid var(--brand-border);
            border-radius: 10px;
            padding: 9px 14px;
            font-size: 14px;
            color: var(--brand-text);
            background: var(--brand-bg);
            transition: var(--brand-transition);
        }
        .cta-form-card .form-control:focus,
        .cta-form-card .form-select:focus {
            border-color: var(--brand-primary);
            box-shadow: 0 0 0 3px rgba(43, 108, 176, 0.12);
            background: #fff;
        }
        .cta-form-card .form-control::placeholder {
            color: var(--brand-text-muted);
            opacity: 0.7;
        }

        /* Footer */
        .app-shell-footer {
            background: #1A2433;
            color: #A8B4C4;
            padding: 36px 0 28px;
            margin-top: 24px;
        }
        .app-shell-footer .footer-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 700;
            font-size: 1.2rem;
            color: #fff;
            margin-bottom: 12px;
        }
        .app-shell-footer .footer-brand i {
            color: var(--brand-accent);
        }
        .app-shell-footer .footer-text {
            font-size: 13px;
            line-height: 1.8;
            color: #A8B4C4;
            margin-bottom: 16px;
            max-width: 560px;
        }
        .app-shell-footer .footer-links {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            margin-bottom: 16px;
        }
        .app-shell-footer .footer-links a {
            color: #A8B4C4;
            font-size: 13px;
            transition: var(--brand-transition);
        }
        .app-shell-footer .footer-links a:hover {
            color: #fff;
        }
        .app-shell-footer .footer-copyright {
            font-size: 12px;
            color: #7A8AA0;
            line-height: 1.8;
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding-top: 16px;
        }

        /* Responsive */
        @media (max-width: 1199.98px) {
            .content-card-grid.asymmetric .content-item-card:nth-child(1) {
                grid-column: span 2;
                grid-row: span 1;
            }
            .content-card-grid.asymmetric .content-item-card:nth-child(1) .card-img-wrap {
                min-height: 220px;
            }
            .steps-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .scenario-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .cta-section {
                grid-template-columns: 1fr;
                gap: 24px;
            }
        }

        @media (max-width: 991.98px) {
            .app-shell-sidebar {
                display: none;
            }
            .app-shell-mobile-header {
                display: flex;
            }
            .app-shell-main {
                margin-left: 0;
                padding-top: var(--navbar-mobile-height);
            }
            .brand-container {
                padding-left: 20px;
                padding-right: 20px;
            }
            .category-hero {
                padding: 40px 0 32px 0;
            }
            .category-hero h1 {
                font-size: 1.8rem;
            }
            .metric-strip {
                grid-template-columns: repeat(2, 1fr);
            }
            .content-card-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .content-card-grid.asymmetric .content-item-card:nth-child(1) {
                grid-column: span 2;
                grid-row: span 1;
            }
            .service-matrix-asym,
            .service-matrix-asym.reverse {
                grid-template-columns: 1fr;
            }
            .data-band {
                flex-direction: column;
                align-items: flex-start;
                gap: 12px;
            }
            .data-band .data-divider {
                width: 100%;
                height: 1px;
            }
            .content-section {
                padding: 36px 0;
            }
        }

        @media (max-width: 767.98px) {
            .metric-strip {
                grid-template-columns: 1fr;
            }
            .content-card-grid {
                grid-template-columns: 1fr;
            }
            .content-card-grid.asymmetric .content-item-card:nth-child(1) {
                grid-column: span 1;
            }
            .steps-grid {
                grid-template-columns: 1fr;
            }
            .scenario-grid {
                grid-template-columns: 1fr;
            }
            .filter-toolbar {
                flex-direction: column;
                align-items: stretch;
            }
            .filter-toolbar .filter-tags {
                margin-left: 0;
            }
            .category-hero h1 {
                font-size: 1.5rem;
            }
            .hero-actions {
                flex-direction: column;
            }
            .section-title {
                font-size: 1.4rem;
            }
            .cta-section {
                padding: 24px 18px;
            }
            .comparison-table-wrap {
                overflow-x: auto;
            }
            .comparison-table-wrap .table {
                min-width: 560px;
            }
        }

        @media (max-width: 519.98px) {
            .category-hero h1 {
                font-size: 1.3rem;
            }
            .content-item-card .card-img-wrap {
                min-height: 160px;
            }
            .metric-card .metric-value {
                font-size: 1.7rem;
            }
            .app-shell-footer {
                padding: 24px 0 20px;
            }
            .app-shell-footer .footer-links {
                gap: 10px;
            }
        }

/* roulang page: category5 */
:root {
            --brand-primary: #2B6CB0;
            --brand-primary-dark: #1F5E9E;
            --brand-primary-light: #EAF2FB;
            --brand-accent: #E85A2A;
            --brand-accent-hover: #D94A1E;
            --brand-bg: #F6F8FC;
            --brand-card: #FFFFFF;
            --brand-text: #1A2433;
            --brand-text-muted: #6B7A90;
            --brand-border: #E5EAF2;
            --brand-success: #2A9D8F;
            --brand-radius: 14px;
            --brand-radius-sm: 10px;
            --brand-radius-lg: 18px;
            --brand-shadow: 0 8px 24px rgba(15, 45, 80, 0.08);
            --brand-shadow-hover: 0 12px 32px rgba(15, 45, 80, 0.16);
            --brand-shadow-sm: 0 2px 8px rgba(15, 45, 80, 0.06);
            --brand-transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --sidebar-width: 248px;
            --navbar-mobile-height: 60px;
            --font-heading: 'PingFang SC', 'Microsoft YaHei', '思源黑体', '阿里巴巴普惠体', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
            --font-body: 'PingFang SC', 'Microsoft YaHei', '思源黑体', '阿里巴巴普惠体', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
            --font-numeric: 'DIN Alternate', 'Roboto Condensed', 'Barlow Condensed', 'PingFang SC', 'Microsoft YaHei', sans-serif;
        }

        * {
            box-sizing: border-box;
        }

        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }

        body {
            font-family: var(--font-body);
            font-size: 15px;
            line-height: 1.75;
            color: var(--brand-text);
            background-color: var(--brand-bg);
            margin: 0;
            padding: 0;
            overflow-x: hidden;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        a {
            color: var(--brand-primary);
            text-decoration: none;
            transition: var(--brand-transition);
        }
        a:hover {
            color: var(--brand-primary-dark);
            text-decoration: none;
        }
        a:focus-visible {
            outline: 2px solid var(--brand-primary);
            outline-offset: 2px;
            border-radius: 4px;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        button,
        input,
        select,
        textarea {
            font-family: var(--font-body);
            font-size: 14px;
        }
        button:focus-visible,
        input:focus-visible,
        select:focus-visible,
        textarea:focus-visible {
            outline: 2px solid var(--brand-primary);
            outline-offset: 1px;
        }

        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            font-family: var(--font-heading);
            font-weight: 700;
            color: var(--brand-text);
            line-height: 1.4;
            margin-top: 0;
        }

        h1 {
            font-size: clamp(1.9rem, 4vw, 2.5rem);
            font-weight: 800;
        }
        h2 {
            font-size: clamp(1.5rem, 3vw, 1.9rem);
            font-weight: 700;
        }
        h3 {
            font-size: clamp(1.15rem, 2vw, 1.35rem);
            font-weight: 700;
        }
        p {
            margin-bottom: 1rem;
        }

        .brand-container {
            max-width: 1240px;
            margin: 0 auto;
            padding-left: 32px;
            padding-right: 32px;
        }

        /* ========== 左侧导航 ========== */
        .app-shell-layout {
            display: flex;
            min-height: 100vh;
        }

        .app-shell-sidebar {
            position: fixed;
            top: 0;
            left: 0;
            width: var(--sidebar-width);
            height: 100vh;
            background: #FFFFFF;
            border-right: 1px solid var(--brand-border);
            display: flex;
            flex-direction: column;
            padding: 20px 14px 16px 14px;
            z-index: 1020;
            overflow-y: auto;
            box-shadow: 2px 0 12px rgba(15, 45, 80, 0.04);
        }

        .app-shell-sidebar .sidebar-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-family: var(--font-heading);
            font-weight: 700;
            font-size: 1.3rem;
            color: var(--brand-primary-dark);
            padding: 6px 10px 18px 10px;
            border-bottom: 1px solid var(--brand-border);
            margin-bottom: 16px;
            flex-shrink: 0;
        }

        .app-shell-sidebar .sidebar-logo i {
            font-size: 1.4rem;
            color: var(--brand-accent);
        }
        .app-shell-sidebar .sidebar-logo span {
            color: var(--brand-text);
        }

        .app-shell-sidebar nav {
            display: flex;
            flex-direction: column;
            gap: 4px;
            flex: 1;
        }

        .app-shell-sidebar nav a {
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 10px 12px;
            border-radius: var(--brand-radius-sm);
            color: var(--brand-text-muted);
            font-weight: 500;
            font-size: 14px;
            transition: var(--brand-transition);
            position: relative;
            border-left: 3px solid transparent;
        }

        .app-shell-sidebar nav a i {
            width: 20px;
            text-align: center;
            font-size: 15px;
            color: var(--brand-text-muted);
            transition: var(--brand-transition);
        }

        .app-shell-sidebar nav a:hover {
            background: var(--brand-primary-light);
            color: var(--brand-primary-dark);
        }
        .app-shell-sidebar nav a:hover i {
            color: var(--brand-primary);
        }

        .app-shell-sidebar nav a.active {
            background: var(--brand-primary-light);
            color: var(--brand-primary-dark);
            font-weight: 600;
            border-left: 3px solid var(--brand-primary);
        }
        .app-shell-sidebar nav a.active i {
            color: var(--brand-primary);
        }

        .app-shell-sidebar .sidebar-footer-meta {
            padding: 12px 10px 4px 10px;
            font-size: 11px;
            color: var(--brand-text-muted);
            border-top: 1px solid var(--brand-border);
            margin-top: 12px;
            flex-shrink: 0;
        }

        /* ========== 移动端顶部栏 ========== */
        .app-shell-mobile-header {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            height: var(--navbar-mobile-height);
            background: var(--brand-card);
            border-bottom: 1px solid var(--brand-border);
            z-index: 1030;
            align-items: center;
            padding: 0 16px;
            gap: 12px;
            box-shadow: 0 2px 8px rgba(15, 45, 80, 0.04);
        }

        .app-shell-mobile-header .btn-menu {
            background: transparent;
            border: none;
            color: var(--brand-text);
            font-size: 1.4rem;
            padding: 8px 10px;
            border-radius: 8px;
            cursor: pointer;
            transition: var(--brand-transition);
        }
        .app-shell-mobile-header .btn-menu:hover {
            background: var(--brand-primary-light);
        }

        .app-shell-mobile-header .mobile-logo {
            display: flex;
            align-items: center;
            gap: 8px;
            font-weight: 700;
            font-size: 1.15rem;
            color: var(--brand-primary-dark);
        }
        .app-shell-mobile-header .mobile-logo i {
            color: var(--brand-accent);
            font-size: 1.2rem;
        }

        /* ========== Offcanvas ========== */
        .offcanvas-sidebar {
            width: 280px !important;
            background: #FFFFFF;
        }
        .offcanvas-sidebar .sidebar-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 700;
            font-size: 1.2rem;
            color: var(--brand-primary-dark);
            padding: 16px 18px;
            border-bottom: 1px solid var(--brand-border);
            margin-bottom: 8px;
        }
        .offcanvas-sidebar .sidebar-logo i {
            color: var(--brand-accent);
        }
        .offcanvas-sidebar nav {
            display: flex;
            flex-direction: column;
            gap: 3px;
            padding: 8px 12px;
        }
        .offcanvas-sidebar nav a {
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 11px 14px;
            border-radius: var(--brand-radius-sm);
            color: var(--brand-text-muted);
            font-weight: 500;
            font-size: 14px;
            transition: var(--brand-transition);
            border-left: 3px solid transparent;
        }
        .offcanvas-sidebar nav a i {
            width: 20px;
            text-align: center;
            font-size: 15px;
        }
        .offcanvas-sidebar nav a:hover {
            background: var(--brand-primary-light);
            color: var(--brand-primary-dark);
        }
        .offcanvas-sidebar nav a.active {
            background: var(--brand-primary-light);
            color: var(--brand-primary-dark);
            font-weight: 600;
            border-left: 3px solid var(--brand-primary);
        }

        /* ========== 主内容区 ========== */
        .app-shell-main {
            margin-left: var(--sidebar-width);
            flex: 1;
            min-width: 0;
            padding: 0;
        }

        /* ========== 板块通用 ========== */
        .section-block {
            padding-top: 64px;
            padding-bottom: 64px;
        }
        .section-block-sm {
            padding-top: 40px;
            padding-bottom: 40px;
        }

        .section-label {
            display: inline-block;
            background: var(--brand-primary-light);
            color: var(--brand-primary-dark);
            font-weight: 600;
            font-size: 13px;
            padding: 6px 14px;
            border-radius: 20px;
            letter-spacing: 0.5px;
            margin-bottom: 12px;
        }

        .section-title {
            font-size: clamp(1.5rem, 3vw, 1.9rem);
            font-weight: 700;
            margin-bottom: 12px;
            color: var(--brand-text);
        }

        .section-subtitle {
            font-size: 15px;
            color: var(--brand-text-muted);
            max-width: 680px;
            line-height: 1.8;
            margin-bottom: 0;
        }

        /* ========== Hero ========== */
        .category-hero {
            position: relative;
            background-image: url('/assets/images/backpic/back-2.webp');
            background-size: cover;
            background-position: center;
            min-height: 380px;
            display: flex;
            align-items: flex-end;
            padding: 60px 0 48px;
            overflow: hidden;
        }

        .category-hero::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: linear-gradient(135deg, rgba(246, 248, 252, 0.93) 0%, rgba(246, 248, 252, 0.78) 40%, rgba(234, 242, 251, 0.65) 100%);
            z-index: 1;
        }

        .category-hero .hero-content {
            position: relative;
            z-index: 2;
            max-width: 720px;
        }

        .category-hero .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: var(--brand-primary);
            color: #FFFFFF;
            font-size: 13px;
            font-weight: 600;
            padding: 6px 16px;
            border-radius: 20px;
            margin-bottom: 16px;
        }

        .category-hero h1 {
            color: var(--brand-text);
            margin-bottom: 14px;
            font-size: clamp(2rem, 4.5vw, 2.8rem);
        }

        .category-hero .hero-desc {
            font-size: 16px;
            color: var(--brand-text);
            line-height: 1.85;
            max-width: 600px;
            opacity: 0.85;
        }

        .category-hero .hero-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            margin-top: 24px;
        }

        .btn-brand {
            background: var(--brand-primary);
            color: #FFFFFF;
            border: none;
            border-radius: var(--brand-radius-sm);
            padding: 11px 24px;
            font-weight: 600;
            font-size: 14px;
            transition: var(--brand-transition);
            cursor: pointer;
            display: inline-flex;
            align-items: center;
            gap: 8px;
            text-decoration: none;
        }
        .btn-brand:hover {
            background: var(--brand-primary-dark);
            color: #FFFFFF;
            transform: translateY(-2px);
            box-shadow: 0 8px 20px rgba(43, 108, 176, 0.25);
        }

        .btn-outline-brand {
            background: transparent;
            color: var(--brand-primary);
            border: 1.5px solid var(--brand-primary);
            border-radius: var(--brand-radius-sm);
            padding: 10px 22px;
            font-weight: 600;
            font-size: 14px;
            transition: var(--brand-transition);
            cursor: pointer;
            display: inline-flex;
            align-items: center;
            gap: 8px;
            text-decoration: none;
        }
        .btn-outline-brand:hover {
            background: var(--brand-primary-light);
            color: var(--brand-primary-dark);
            transform: translateY(-2px);
        }

        /* ========== 亮点卡片 ========== */
        .feature-highlights {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
            gap: 20px;
            margin-top: -48px;
            position: relative;
            z-index: 3;
            padding-bottom: 32px;
        }

        .feature-highlight-card {
            background: var(--brand-card);
            border-radius: var(--brand-radius);
            border: 1px solid var(--brand-border);
            box-shadow: var(--brand-shadow);
            padding: 24px;
            transition: var(--brand-transition);
        }
        .feature-highlight-card:hover {
            box-shadow: var(--brand-shadow-hover);
            transform: translateY(-4px);
            border-color: rgba(43, 108, 176, 0.3);
        }
        .feature-highlight-card .fc-icon {
            width: 44px;
            height: 44px;
            border-radius: 10px;
            background: var(--brand-primary-light);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.2rem;
            color: var(--brand-primary);
            margin-bottom: 14px;
        }
        .feature-highlight-card h3 {
            font-size: 16px;
            margin-bottom: 8px;
            color: var(--brand-text);
        }
        .feature-highlight-card p {
            font-size: 13.5px;
            color: var(--brand-text-muted);
            line-height: 1.7;
            margin-bottom: 0;
        }

        /* ========== 筛选工具条 ========== */
        .filter-toolbar {
            background: var(--brand-card);
            border-radius: var(--brand-radius);
            border: 1px solid var(--brand-border);
            box-shadow: var(--brand-shadow-sm);
            padding: 16px 20px;
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 12px;
            margin-bottom: 28px;
        }

        .filter-toolbar .filter-group {
            display: flex;
            align-items: center;
            gap: 8px;
            flex-wrap: wrap;
        }

        .filter-toolbar .filter-label {
            font-size: 13px;
            font-weight: 600;
            color: var(--brand-text-muted);
            white-space: nowrap;
        }

        .filter-toolbar .filter-chip {
            padding: 7px 14px;
            border-radius: 20px;
            background: var(--brand-bg);
            border: 1px solid var(--brand-border);
            color: var(--brand-text-muted);
            font-size: 13px;
            cursor: pointer;
            transition: var(--brand-transition);
            text-decoration: none;
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }
        .filter-toolbar .filter-chip:hover {
            border-color: var(--brand-primary);
            color: var(--brand-primary);
            background: var(--brand-primary-light);
        }
        .filter-toolbar .filter-chip.active {
            background: var(--brand-primary);
            border-color: var(--brand-primary);
            color: #FFFFFF;
            font-weight: 600;
        }

        .filter-toolbar .sort-select {
            margin-left: auto;
            min-width: 140px;
            padding: 8px 12px;
            border-radius: var(--brand-radius-sm);
            border: 1px solid var(--brand-border);
            background: var(--brand-bg);
            color: var(--brand-text);
            font-size: 13px;
            cursor: pointer;
        }

        /* ========== 卡片列表区 ========== */
        .card-grid-asymmetric {
            display: grid;
            grid-template-columns: repeat(12, 1fr);
            gap: 22px;
        }

        .content-card {
            background: var(--brand-card);
            border-radius: var(--brand-radius);
            border: 1px solid var(--brand-border);
            box-shadow: var(--brand-shadow);
            overflow: hidden;
            transition: var(--brand-transition);
            display: flex;
            flex-direction: column;
        }
        .content-card:hover {
            box-shadow: var(--brand-shadow-hover);
            transform: translateY(-5px);
            border-color: rgba(43, 108, 176, 0.3);
        }

        .content-card .card-thumb {
            position: relative;
            aspect-ratio: 16/9;
            overflow: hidden;
            background: var(--brand-primary-light);
        }
        .content-card .card-thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: var(--brand-transition);
        }
        .content-card:hover .card-thumb img {
            transform: scale(1.04);
        }

        .content-card .card-thumb .thumb-tag {
            position: absolute;
            top: 12px;
            left: 12px;
            background: rgba(26, 36, 51, 0.85);
            color: #FFFFFF;
            font-size: 12px;
            font-weight: 600;
            padding: 4px 12px;
            border-radius: 16px;
        }

        .content-card .card-body {
            padding: 20px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }

        .content-card .card-body h3 {
            font-size: 17px;
            margin-bottom: 8px;
            line-height: 1.5;
        }
        .content-card .card-body h3 a {
            color: var(--brand-text);
            transition: var(--brand-transition);
        }
        .content-card .card-body h3 a:hover {
            color: var(--brand-primary);
        }

        .content-card .card-body .card-desc {
            font-size: 14px;
            color: var(--brand-text-muted);
            line-height: 1.7;
            flex: 1;
            margin-bottom: 12px;
        }

        .content-card .card-meta {
            display: flex;
            align-items: center;
            gap: 14px;
            font-size: 13px;
            color: var(--brand-text-muted);
            padding-top: 12px;
            border-top: 1px solid var(--brand-border);
        }

        .content-card .card-meta .meta-tag {
            color: var(--brand-accent);
            font-weight: 600;
            font-size: 12.5px;
            background: rgba(232, 90, 42, 0.08);
            padding: 3px 10px;
            border-radius: 12px;
        }

        .content-card .card-meta .meta-date {
            margin-left: auto;
            white-space: nowrap;
        }

        /* 不对称栅格 */
        .col-span-7 {
            grid-column: span 7;
        }
        .col-span-5 {
            grid-column: span 5;
        }
        .col-span-4 {
            grid-column: span 4;
        }
        .col-span-8 {
            grid-column: span 8;
        }
        .col-span-12 {
            grid-column: span 12;
        }

        /* ========== 对称风格大卡 ========== */
        .content-card-wide {
            flex-direction: row;
        }
        .content-card-wide .card-thumb {
            width: 38%;
            aspect-ratio: auto;
            min-height: 100%;
        }
        .content-card-wide .card-body {
            flex: 1;
            padding: 28px;
        }

        /* ========== 数据带 ========== */
        .data-strip {
            background: var(--brand-primary);
            border-radius: var(--brand-radius);
            padding: 36px 32px;
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
            box-shadow: var(--brand-shadow);
            margin-top: 8px;
        }

        .data-strip .data-item {
            text-align: center;
        }
        .data-strip .data-item .data-value {
            font-family: var(--font-numeric);
            font-size: clamp(1.8rem, 3vw, 2.4rem);
            font-weight: 800;
            color: #FFFFFF;
            line-height: 1.2;
            letter-spacing: -0.5px;
            tabular-nums: numeric;
        }
        .data-strip .data-item .data-label {
            font-size: 13px;
            color: rgba(255, 255, 255, 0.75);
            margin-top: 6px;
            font-weight: 500;
        }

        /* ========== 流程/步骤 ========== */
        .steps-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }
        .step-item {
            background: var(--brand-card);
            border-radius: var(--brand-radius);
            border: 1px solid var(--brand-border);
            padding: 26px 22px;
            box-shadow: var(--brand-shadow-sm);
            transition: var(--brand-transition);
            position: relative;
        }
        .step-item:hover {
            box-shadow: var(--brand-shadow-hover);
            transform: translateY(-4px);
        }
        .step-item .step-number {
            font-family: var(--font-numeric);
            font-size: 2.4rem;
            font-weight: 800;
            color: var(--brand-primary-light);
            line-height: 1;
            margin-bottom: 12px;
        }
        .step-item h4 {
            font-size: 15.5px;
            font-weight: 700;
            margin-bottom: 8px;
            color: var(--brand-text);
        }
        .step-item p {
            font-size: 13.5px;
            color: var(--brand-text-muted);
            line-height: 1.7;
            margin-bottom: 0;
        }

        /* ========== 场景卡片 ========== */
        .scenario-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }
        .scenario-card {
            background: var(--brand-card);
            border-radius: var(--brand-radius);
            border: 1px solid var(--brand-border);
            padding: 24px;
            box-shadow: var(--brand-shadow-sm);
            transition: var(--brand-transition);
        }
        .scenario-card:hover {
            box-shadow: var(--brand-shadow-hover);
            transform: translateY(-4px);
        }
        .scenario-card .sc-icon {
            font-size: 1.4rem;
            color: var(--brand-accent);
            margin-bottom: 12px;
        }
        .scenario-card h4 {
            font-size: 15.5px;
            font-weight: 700;
            margin-bottom: 8px;
            color: var(--brand-text);
        }
        .scenario-card p {
            font-size: 13.5px;
            color: var(--brand-text-muted);
            line-height: 1.7;
            margin-bottom: 0;
        }

        /* ========== FAQ ========== */
        .accordion-custom .accordion-item {
            background: var(--brand-card);
            border: 1px solid var(--brand-border);
            border-radius: var(--brand-radius-sm) !important;
            margin-bottom: 10px;
            overflow: hidden;
            box-shadow: var(--brand-shadow-sm);
            transition: var(--brand-transition);
        }
        .accordion-custom .accordion-item:hover {
            border-color: rgba(43, 108, 176, 0.3);
        }
        .accordion-custom .accordion-button {
            background: var(--brand-card);
            color: var(--brand-text);
            font-weight: 700;
            font-size: 15px;
            padding: 18px 22px;
            border: none;
            box-shadow: none;
            border-radius: var(--brand-radius-sm);
            transition: var(--brand-transition);
        }
        .accordion-custom .accordion-button:not(.collapsed) {
            background: var(--brand-primary-light);
            color: var(--brand-primary-dark);
            box-shadow: none;
            border-left: 3px solid var(--brand-primary);
        }
        .accordion-custom .accordion-button:focus {
            box-shadow: none;
            border-color: var(--brand-primary);
        }
        .accordion-custom .accordion-button::after {
            color: var(--brand-primary);
        }
        .accordion-custom .accordion-body {
            font-size: 15px;
            line-height: 1.8;
            color: var(--brand-text);
            padding: 16px 22px 22px 22px;
            background: #FFFFFF;
        }

        /* ========== CTA 表单 ========== */
        .cta-section {
            background-image: url('/assets/images/backpic/back-1.webp');
            background-size: cover;
            background-position: center;
            position: relative;
            border-radius: var(--brand-radius-lg);
            overflow: hidden;
            padding: 48px 40px;
            box-shadow: var(--brand-shadow);
        }
        .cta-section::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: linear-gradient(135deg, rgba(26, 36, 51, 0.92) 0%, rgba(31, 94, 158, 0.88) 55%, rgba(43, 108, 176, 0.82) 100%);
            z-index: 1;
        }
        .cta-section .cta-inner {
            position: relative;
            z-index: 2;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
            align-items: center;
        }
        .cta-section .cta-text h2 {
            color: #FFFFFF;
            font-size: clamp(1.5rem, 3vw, 1.9rem);
            margin-bottom: 14px;
        }
        .cta-section .cta-text p {
            color: rgba(255, 255, 255, 0.8);
            font-size: 15px;
            line-height: 1.8;
            margin-bottom: 0;
        }
        .cta-section .cta-text .cta-bullet {
            display: flex;
            align-items: center;
            gap: 8px;
            color: rgba(255, 255, 255, 0.85);
            font-size: 14px;
            margin-top: 10px;
        }
        .cta-section .cta-text .cta-bullet i {
            color: var(--brand-accent);
            font-size: 0.9rem;
        }

        .cta-form-card {
            background: var(--brand-card);
            border-radius: var(--brand-radius);
            padding: 28px;
            box-shadow: 0 16px 48px rgba(15, 45, 80, 0.24);
        }
        .cta-form-card .form-label {
            font-size: 13px;
            font-weight: 600;
            color: var(--brand-text);
            margin-bottom: 6px;
        }
        .cta-form-card .form-control,
        .cta-form-card .form-select {
            border-radius: var(--brand-radius-sm);
            border: 1px solid var(--brand-border);
            padding: 11px 14px;
            font-size: 14px;
            color: var(--brand-text);
            background: var(--brand-bg);
            transition: var(--brand-transition);
            margin-bottom: 14px;
        }
        .cta-form-card .form-control:focus,
        .cta-form-card .form-select:focus {
            border-color: var(--brand-primary);
            box-shadow: 0 0 0 3px rgba(43, 108, 176, 0.12);
            background: #FFFFFF;
        }
        .cta-form-card textarea.form-control {
            resize: vertical;
            min-height: 90px;
        }
        .cta-form-card .btn-submit {
            background: var(--brand-accent);
            color: #FFFFFF;
            border: none;
            border-radius: var(--brand-radius-sm);
            padding: 12px 28px;
            font-weight: 600;
            font-size: 15px;
            width: 100%;
            transition: var(--brand-transition);
            cursor: pointer;
        }
        .cta-form-card .btn-submit:hover {
            background: var(--brand-accent-hover);
            transform: translateY(-2px);
            box-shadow: 0 8px 20px rgba(232, 90, 42, 0.3);
        }

        /* ========== 分页 ========== */
        .pagination-brand {
            display: flex;
            justify-content: center;
            gap: 6px;
            margin-top: 32px;
            flex-wrap: wrap;
        }
        .pagination-brand .page-link-custom {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            min-width: 40px;
            height: 40px;
            padding: 0 12px;
            border-radius: var(--brand-radius-sm);
            background: var(--brand-card);
            border: 1px solid var(--brand-border);
            color: var(--brand-text-muted);
            font-size: 14px;
            font-weight: 500;
            transition: var(--brand-transition);
            text-decoration: none;
        }
        .pagination-brand .page-link-custom:hover {
            border-color: var(--brand-primary);
            color: var(--brand-primary);
            background: var(--brand-primary-light);
        }
        .pagination-brand .page-link-custom.active {
            background: var(--brand-primary);
            border-color: var(--brand-primary);
            color: #FFFFFF;
            font-weight: 600;
            box-shadow: 0 4px 12px rgba(43, 108, 176, 0.3);
        }
        .pagination-brand .page-link-custom.disabled {
            opacity: 0.45;
            pointer-events: none;
        }

        /* ========== 页脚 ========== */
        .app-shell-footer {
            background: #1A2433;
            color: rgba(255, 255, 255, 0.75);
            padding: 40px 0 32px;
            margin-top: 64px;
        }
        .app-shell-footer .brand-container {
            display: flex;
            flex-direction: column;
            gap: 20px;
        }
        .app-shell-footer .footer-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 700;
            font-size: 1.25rem;
            color: #FFFFFF;
        }
        .app-shell-footer .footer-brand i {
            color: var(--brand-accent);
            font-size: 1.3rem;
        }
        .app-shell-footer .footer-text {
            font-size: 14px;
            line-height: 1.8;
            color: rgba(255, 255, 255, 0.6);
            max-width: 560px;
            margin-bottom: 16px;
        }
        .app-shell-footer .footer-links {
            display: flex;
            flex-wrap: wrap;
            gap: 18px;
            padding: 16px 0;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            border-bottom: 1px solid rgba(255, 255, 255, 0.1);
        }
        .app-shell-footer .footer-links a {
            color: rgba(255, 255, 255, 0.65);
            font-size: 13.5px;
            transition: var(--brand-transition);
        }
        .app-shell-footer .footer-links a:hover {
            color: #FFFFFF;
        }
        .app-shell-footer .footer-copyright {
            font-size: 13px;
            color: rgba(255, 255, 255, 0.45);
            line-height: 1.9;
        }

        /* ========== 响应式 ========== */
        @media (max-width: 1199.98px) {
            .brand-container {
                padding-left: 24px;
                padding-right: 24px;
            }
            .data-strip {
                grid-template-columns: repeat(2, 1fr);
                gap: 18px;
            }
            .steps-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 18px;
            }
            .scenario-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 991.98px) {
            .app-shell-layout {
                display: block;
            }
            .app-shell-sidebar {
                display: none;
            }
            .app-shell-mobile-header {
                display: flex;
            }
            .app-shell-main {
                margin-left: 0;
                padding-top: var(--navbar-mobile-height);
            }
            .section-block {
                padding-top: 48px;
                padding-bottom: 48px;
            }
            .section-block-sm {
                padding-top: 32px;
                padding-bottom: 32px;
            }
            .category-hero {
                min-height: 300px;
                padding: 40px 0 36px;
            }
            .feature-highlights {
                margin-top: -32px;
                grid-template-columns: repeat(2, 1fr);
                gap: 14px;
            }
            .card-grid-asymmetric {
                grid-template-columns: repeat(2, 1fr);
                gap: 16px;
            }
            .col-span-7,
            .col-span-5,
            .col-span-4,
            .col-span-8,
            .col-span-12 {
                grid-column: span 2;
            }
            .content-card-wide {
                flex-direction: column;
            }
            .content-card-wide .card-thumb {
                width: 100%;
                aspect-ratio: 16/9;
                min-height: auto;
            }
            .content-card-wide .card-body {
                padding: 20px;
            }
            .cta-section .cta-inner {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .cta-section {
                padding: 36px 24px;
            }
            .filter-toolbar .sort-select {
                margin-left: 0;
                width: 100%;
            }
            .steps-grid {
                grid-template-columns: 1fr;
                gap: 14px;
            }
            .scenario-grid {
                grid-template-columns: 1fr;
                gap: 14px;
            }
            .data-strip {
                grid-template-columns: 1fr 1fr;
                padding: 28px 20px;
            }
        }

        @media (max-width: 767.98px) {
            .brand-container {
                padding-left: 16px;
                padding-right: 16px;
            }
            .section-block {
                padding-top: 40px;
                padding-bottom: 40px;
            }
            .section-block-sm {
                padding-top: 24px;
                padding-bottom: 24px;
            }
            .category-hero {
                min-height: 260px;
                padding: 32px 0 28px;
            }
            .category-hero h1 {
                font-size: 1.8rem;
            }
            .category-hero .hero-desc {
                font-size: 14px;
            }
            .feature-highlights {
                grid-template-columns: 1fr;
                margin-top: -24px;
                padding-bottom: 24px;
            }
            .card-grid-asymmetric {
                grid-template-columns: 1fr;
                gap: 14px;
            }
            .col-span-7,
            .col-span-5,
            .col-span-4,
            .col-span-8,
            .col-span-12 {
                grid-column: span 1;
            }
            .data-strip {
                grid-template-columns: 1fr;
                padding: 24px 16px;
            }
            .data-strip .data-item .data-value {
                font-size: 1.6rem;
            }
            .filter-toolbar {
                flex-direction: column;
                align-items: stretch;
                padding: 14px;
            }
            .filter-toolbar .filter-group {
                flex-wrap: wrap;
            }
            .cta-section {
                padding: 28px 16px;
                border-radius: var(--brand-radius);
            }
            .cta-form-card {
                padding: 20px;
            }
            .app-shell-footer {
                padding: 32px 0 24px;
                margin-top: 40px;
            }
            .app-shell-footer .footer-links {
                gap: 12px;
            }
            .pagination-brand .page-link-custom {
                min-width: 36px;
                height: 36px;
                padding: 0 8px;
                font-size: 13px;
            }
            .accordion-custom .accordion-button {
                font-size: 14px;
                padding: 15px 16px;
            }
        }

        @media (max-width: 519.98px) {
            .brand-container {
                padding-left: 12px;
                padding-right: 12px;
            }
            .category-hero {
                min-height: 230px;
                padding: 28px 0 20px;
            }
            .category-hero h1 {
                font-size: 1.5rem;
            }
            .hero-actions .btn-brand,
            .hero-actions .btn-outline-brand {
                width: 100%;
                justify-content: center;
            }
            .data-strip {
                grid-template-columns: 1fr;
                padding: 20px 14px;
            }
            .filter-toolbar .filter-chip {
                padding: 6px 10px;
                font-size: 12px;
            }
            .cta-form-card {
                padding: 16px;
            }
            .footer-brand {
                font-size: 1.05rem;
            }
        }

/* roulang page: category6 */
:root {
            --brand-primary: #2B6CB0;
            --brand-primary-dark: #1F5E9E;
            --brand-primary-light: #EAF2FB;
            --brand-accent: #E85A2A;
            --brand-accent-hover: #D94A1E;
            --brand-bg: #F6F8FC;
            --brand-card: #FFFFFF;
            --brand-text: #1A2433;
            --brand-text-muted: #6B7A90;
            --brand-border: #E5EAF2;
            --brand-success: #2A9D8F;
            --brand-radius: 14px;
            --brand-radius-sm: 10px;
            --brand-radius-lg: 18px;
            --brand-shadow: 0 8px 24px rgba(15, 45, 80, 0.08);
            --brand-shadow-hover: 0 12px 32px rgba(15, 45, 80, 0.16);
            --brand-shadow-sm: 0 2px 8px rgba(15, 45, 80, 0.06);
            --brand-transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --sidebar-width: 248px;
            --navbar-mobile-height: 60px;
            --font-heading: 'PingFang SC', 'Microsoft YaHei', '思源黑体', '阿里巴巴普惠体', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
            --font-body: 'PingFang SC', 'Microsoft YaHei', '思源黑体', '阿里巴巴普惠体', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
            --font-numeric: 'DIN Alternate', 'Roboto Condensed', 'Barlow Condensed', 'PingFang SC', 'Microsoft YaHei', sans-serif;
        }
        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }
        body {
            font-family: var(--font-body);
            font-size: 15px;
            line-height: 1.75;
            color: var(--brand-text);
            background-color: var(--brand-bg);
            margin: 0;
            padding: 0;
            overflow-x: hidden;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        a {
            color: var(--brand-primary);
            text-decoration: none;
            transition: var(--brand-transition);
        }
        a:hover {
            color: var(--brand-primary-dark);
            text-decoration: none;
        }
        a:focus-visible {
            outline: 2px solid var(--brand-primary);
            outline-offset: 2px;
            border-radius: 4px;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button, input, select, textarea {
            font-family: var(--font-body);
            font-size: 14px;
        }
        button:focus-visible, input:focus-visible, select:focus-visible, textarea:focus-visible {
            outline: 2px solid var(--brand-primary);
            outline-offset: 1px;
        }
        .brand-container {
            max-width: 1240px;
            margin: 0 auto;
            padding-left: 32px;
            padding-right: 32px;
        }

        /* 左侧 App Shell 导航 */
        .app-shell-sidebar {
            position: fixed;
            top: 0;
            left: 0;
            bottom: 0;
            width: var(--sidebar-width);
            background: var(--brand-card);
            border-right: 1px solid var(--brand-border);
            z-index: 1040;
            display: flex;
            flex-direction: column;
            padding: 20px 16px;
            box-shadow: 4px 0 20px rgba(15, 45, 80, 0.04);
            transition: transform 0.25s ease;
        }
        .app-shell-sidebar .sidebar-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-family: var(--font-heading);
            font-weight: 700;
            font-size: 1.3rem;
            color: var(--brand-primary-dark);
            padding: 6px 10px 18px 10px;
            border-bottom: 1px solid var(--brand-border);
            margin-bottom: 16px;
        }
        .app-shell-sidebar .sidebar-logo i {
            font-size: 1.4rem;
            color: var(--brand-accent);
        }
        .app-shell-sidebar .sidebar-logo span {
            color: var(--brand-text);
        }
        .app-shell-sidebar nav {
            display: flex;
            flex-direction: column;
            gap: 4px;
            flex: 1;
            overflow-y: auto;
        }
        .app-shell-sidebar nav a {
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 10px 12px;
            border-radius: var(--brand-radius-sm);
            color: var(--brand-text-muted);
            font-weight: 500;
            font-size: 14px;
            transition: var(--brand-transition);
            position: relative;
            border-left: 3px solid transparent;
            white-space: nowrap;
        }
        .app-shell-sidebar nav a i {
            width: 20px;
            text-align: center;
            font-size: 15px;
            color: var(--brand-text-muted);
            transition: var(--brand-transition);
        }
        .app-shell-sidebar nav a:hover {
            background: var(--brand-primary-light);
            color: var(--brand-primary-dark);
        }
        .app-shell-sidebar nav a:hover i {
            color: var(--brand-primary);
        }
        .app-shell-sidebar nav a.active {
            background: var(--brand-primary-light);
            color: var(--brand-primary-dark);
            font-weight: 600;
            border-left: 3px solid var(--brand-primary);
        }
        .app-shell-sidebar nav a.active i {
            color: var(--brand-primary);
        }
        .app-shell-sidebar .sidebar-footer-meta {
            padding: 12px 10px 4px 10px;
            font-size: 11px;
            color: var(--brand-text-muted);
            border-top: 1px solid var(--brand-border);
            margin-top: 12px;
        }

        /* 移动端顶部栏 */
        .app-shell-mobile-header {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            height: var(--navbar-mobile-height);
            background: var(--brand-card);
            border-bottom: 1px solid var(--brand-border);
            z-index: 1030;
            align-items: center;
            padding: 0 16px;
            gap: 12px;
            box-shadow: 0 2px 8px rgba(15, 45, 80, 0.04);
        }
        .app-shell-mobile-header .mobile-logo {
            display: flex;
            align-items: center;
            gap: 8px;
            font-weight: 700;
            font-size: 1.15rem;
            color: var(--brand-primary-dark);
        }
        .app-shell-mobile-header .mobile-logo i {
            color: var(--brand-accent);
        }
        .btn-menu {
            width: 40px;
            height: 40px;
            border: none;
            background: transparent;
            color: var(--brand-text);
            border-radius: var(--brand-radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.2rem;
            cursor: pointer;
            transition: var(--brand-transition);
        }
        .btn-menu:hover {
            background: var(--brand-primary-light);
            color: var(--brand-primary-dark);
        }

        /* 主内容区 */
        .app-shell-main {
            margin-left: var(--sidebar-width);
            min-height: 100vh;
            padding-bottom: 0;
        }

        /* Hero */
        .tech-hero {
            position: relative;
            background-image: url('/assets/images/backpic/back-2.webp');
            background-size: cover;
            background-position: center;
            padding: 72px 0 56px;
            border-radius: 0 0 24px 24px;
            overflow: hidden;
            margin-bottom: 0;
        }
        .tech-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(246,248,252,0.94) 0%, rgba(234,242,251,0.88) 60%, rgba(246,248,252,0.82) 100%);
        }
        .tech-hero .tech-hero-inner {
            position: relative;
            z-index: 1;
            max-width: 1240px;
            margin: 0 auto;
            padding: 0 32px;
        }
        .tech-hero h1 {
            font-family: var(--font-heading);
            font-weight: 700;
            font-size: 2.5rem;
            line-height: 1.3;
            color: var(--brand-text);
            margin-bottom: 16px;
            letter-spacing: 0.02em;
        }
        .tech-hero .hero-sub {
            font-size: 1.1rem;
            color: var(--brand-text-muted);
            max-width: 720px;
            margin-bottom: 24px;
            line-height: 1.8;
        }
        .btn-primary-brand {
            background: var(--brand-primary);
            border: none;
            border-radius: var(--brand-radius-sm);
            padding: 10px 22px;
            font-weight: 600;
            color: #fff;
            transition: var(--brand-transition);
            display: inline-flex;
            align-items: center;
            gap: 8px;
            box-shadow: var(--brand-shadow-sm);
        }
        .btn-primary-brand:hover, .btn-primary-brand:focus {
            background: var(--brand-primary-dark);
            color: #fff;
            box-shadow: var(--brand-shadow-hover);
            transform: translateY(-2px);
        }
        .btn-outline-brand {
            background: transparent;
            border: 1px solid var(--brand-primary);
            border-radius: var(--brand-radius-sm);
            padding: 10px 22px;
            font-weight: 600;
            color: var(--brand-primary);
            transition: var(--brand-transition);
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }
        .btn-outline-brand:hover, .btn-outline-brand:focus {
            background: var(--brand-primary-light);
            color: var(--brand-primary-dark);
            border-color: var(--brand-primary-dark);
            transform: translateY(-2px);
            box-shadow: var(--brand-shadow-sm);
        }
        .btn-accent-brand {
            background: var(--brand-accent);
            border: none;
            border-radius: var(--brand-radius-sm);
            padding: 10px 22px;
            font-weight: 600;
            color: #fff;
            transition: var(--brand-transition);
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }
        .btn-accent-brand:hover, .btn-accent-brand:focus {
            background: var(--brand-accent-hover);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: var(--brand-shadow-hover);
        }

        /* 筛选工具条 */
        .filter-toolbar {
            background: var(--brand-card);
            border: 1px solid var(--brand-border);
            border-radius: var(--brand-radius);
            padding: 16px 20px;
            margin-bottom: 40px;
            box-shadow: var(--brand-shadow-sm);
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            align-items: center;
        }
        .filter-toolbar .filter-group {
            display: flex;
            align-items: center;
            gap: 8px;
            flex-wrap: wrap;
        }
        .filter-toolbar label {
            font-size: 13px;
            color: var(--brand-text-muted);
            font-weight: 500;
            margin-right: 4px;
        }
        .filter-toolbar select, .filter-toolbar input {
            border: 1px solid var(--brand-border);
            border-radius: var(--brand-radius-sm);
            padding: 8px 12px;
            font-size: 14px;
            color: var(--brand-text);
            background: var(--brand-card);
            transition: var(--brand-transition);
            min-width: 120px;
        }
        .filter-toolbar select:focus, .filter-toolbar input:focus {
            border-color: var(--brand-primary);
            box-shadow: 0 0 0 3px rgba(43,108,176,0.12);
        }
        .filter-toolbar .tag-chips {
            display: flex;
            gap: 6px;
            flex-wrap: wrap;
        }
        .filter-toolbar .tag-chip {
            padding: 4px 12px;
            border-radius: 20px;
            background: var(--brand-bg);
            color: var(--brand-text-muted);
            font-size: 12px;
            border: 1px solid var(--brand-border);
            cursor: pointer;
            transition: var(--brand-transition);
            white-space: nowrap;
        }
        .filter-toolbar .tag-chip:hover, .filter-toolbar .tag-chip.active {
            background: var(--brand-primary-light);
            color: var(--brand-primary-dark);
            border-color: var(--brand-primary);
        }

        /* Section 通用 */
        .section-spacing {
            padding: 64px 0;
        }
        .section-title {
            font-family: var(--font-heading);
            font-weight: 700;
            font-size: 1.8rem;
            color: var(--brand-text);
            margin-bottom: 8px;
            letter-spacing: 0.01em;
        }
        .section-sub {
            color: var(--brand-text-muted);
            font-size: 1rem;
            margin-bottom: 32px;
            line-height: 1.8;
        }

        /* 能力矩阵不对称拼贴 */
        .capability-grid {
            display: grid;
            grid-template-columns: 1.2fr 0.9fr 0.9fr;
            grid-template-rows: auto auto;
            gap: 20px;
        }
        .cap-card {
            background: var(--brand-card);
            border-radius: var(--brand-radius);
            box-shadow: var(--brand-shadow);
            border: 1px solid rgba(30,60,100,0.06);
            padding: 24px;
            transition: var(--brand-transition);
            overflow: hidden;
            position: relative;
        }
        .cap-card:hover {
            box-shadow: var(--brand-shadow-hover);
            transform: translateY(-6px);
            border-color: var(--brand-primary-light);
        }
        .cap-card .cap-image {
            aspect-ratio: 16/9;
            border-radius: var(--brand-radius-sm);
            overflow: hidden;
            margin-bottom: 16px;
            background: var(--brand-bg);
        }
        .cap-card .cap-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        .cap-card h3 {
            font-size: 1.15rem;
            font-weight: 700;
            margin-bottom: 8px;
            color: var(--brand-text);
        }
        .cap-card p {
            font-size: 14px;
            color: var(--brand-text-muted);
            margin-bottom: 12px;
            line-height: 1.7;
        }
        .cap-card .data-tag {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 4px 12px;
            border-radius: 20px;
            background: var(--brand-primary-light);
            color: var(--brand-primary-dark);
            font-size: 12px;
            font-weight: 600;
        }
        .cap-card.cap-large {
            grid-row: span 2;
        }
        .data-strip {
            grid-column: 1 / -1;
            background: linear-gradient(135deg, var(--brand-primary) 0%, var(--brand-primary-dark) 100%);
            border-radius: var(--brand-radius);
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 20px 28px;
            gap: 24px;
            flex-wrap: wrap;
            color: #fff;
        }
        .data-strip .data-strip-item {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 14px;
            font-weight: 500;
        }
        .data-strip .data-strip-item .num {
            font-family: var(--font-numeric);
            font-size: 1.6rem;
            font-weight: 700;
            color: #fff;
        }

        /* 深度内容 */
        .deep-content {
            background: var(--brand-card);
            border-radius: var(--brand-radius);
            border: 1px solid var(--brand-border);
            box-shadow: var(--brand-shadow-sm);
            padding: 32px;
        }
        .deep-content h3 {
            font-size: 1.3rem;
            font-weight: 700;
            margin-bottom: 16px;
            color: var(--brand-text);
        }
        .deep-content p {
            color: var(--brand-text-muted);
            line-height: 1.85;
            margin-bottom: 16px;
        }
        .deep-content ul {
            padding-left: 20px;
            color: var(--brand-text-muted);
            line-height: 1.85;
            margin-bottom: 16px;
        }
        .deep-content li {
            margin-bottom: 6px;
        }
        .deep-content .tech-quote {
            border-left: 3px solid var(--brand-accent);
            background: #FBF7F4;
            padding: 16px 20px;
            border-radius: 0 var(--brand-radius-sm) var(--brand-radius-sm) 0;
            font-size: 14px;
            color: var(--brand-text);
            margin: 20px 0;
            line-height: 1.8;
        }

        /* 方案卡片列表 */
        .solution-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }
        .solution-card {
            background: var(--brand-card);
            border-radius: var(--brand-radius);
            box-shadow: var(--brand-shadow);
            border: 1px solid rgba(30,60,100,0.06);
            overflow: hidden;
            transition: var(--brand-transition);
            display: flex;
            flex-direction: column;
        }
        .solution-card:hover {
            box-shadow: var(--brand-shadow-hover);
            transform: translateY(-5px);
            border-color: var(--brand-primary-light);
        }
        .solution-card .solution-image {
            aspect-ratio: 16/9;
            overflow: hidden;
            background: var(--brand-bg);
        }
        .solution-card .solution-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        .solution-card .solution-body {
            padding: 16px 18px 18px;
            display: flex;
            flex-direction: column;
            flex: 1;
        }
        .solution-card .solution-body h4 {
            font-size: 1rem;
            font-weight: 700;
            margin-bottom: 6px;
            color: var(--brand-text);
        }
        .solution-card .solution-body p {
            font-size: 13px;
            color: var(--brand-text-muted);
            line-height: 1.6;
            margin-bottom: 10px;
            flex: 1;
        }
        .solution-card .solution-meta {
            display: flex;
            align-items: center;
            justify-content: space-between;
            font-size: 12px;
            color: var(--brand-text-muted);
        }
        .solution-card .solution-meta .badge-tech {
            background: var(--brand-primary-light);
            color: var(--brand-primary-dark);
            padding: 2px 10px;
            border-radius: 20px;
            font-weight: 500;
        }
        .solution-card .solution-meta .date-tag {
            font-family: var(--font-numeric);
        }

        /* 对比表格 */
        .comparison-table-wrapper {
            background: var(--brand-card);
            border-radius: var(--brand-radius);
            box-shadow: var(--brand-shadow);
            border: 1px solid var(--brand-border);
            overflow: hidden;
            padding: 24px;
        }
        .comparison-table {
            width: 100%;
            border-collapse: separate;
            border-spacing: 0;
            font-size: 14px;
        }
        .comparison-table thead th {
            background: var(--brand-primary-light);
            color: var(--brand-primary-dark);
            font-weight: 600;
            padding: 12px 16px;
            text-align: left;
            border-bottom: 2px solid var(--brand-primary);
            font-size: 14px;
        }
        .comparison-table tbody td {
            padding: 12px 16px;
            border-bottom: 1px solid var(--brand-border);
            color: var(--brand-text-muted);
            vertical-align: top;
            line-height: 1.7;
        }
        .comparison-table tbody tr:last-child td {
            border-bottom: none;
        }
        .comparison-table tbody td:first-child {
            font-weight: 600;
            color: var(--brand-text);
            white-space: nowrap;
        }

        /* 流程 */
        .process-steps {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }
        .process-step {
            background: var(--brand-card);
            border-radius: var(--brand-radius);
            padding: 24px 20px;
            border: 1px solid var(--brand-border);
            box-shadow: var(--brand-shadow-sm);
            position: relative;
            transition: var(--brand-transition);
        }
        .process-step:hover {
            box-shadow: var(--brand-shadow-hover);
            transform: translateY(-4px);
        }
        .process-step .step-num {
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background: var(--brand-primary);
            color: #fff;
            font-family: var(--font-numeric);
            font-weight: 700;
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 14px;
            font-size: 1.1rem;
        }
        .process-step h4 {
            font-size: 1rem;
            font-weight: 700;
            margin-bottom: 8px;
            color: var(--brand-text);
        }
        .process-step p {
            font-size: 13px;
            color: var(--brand-text-muted);
            line-height: 1.7;
            margin-bottom: 0;
        }

        /* FAQ */
        .faq-accordion .accordion-item {
            border: 1px solid var(--brand-border);
            border-radius: var(--brand-radius-sm) !important;
            margin-bottom: 12px;
            overflow: hidden;
            box-shadow: var(--brand-shadow-sm);
            background: var(--brand-card);
        }
        .faq-accordion .accordion-button {
            background: var(--brand-card);
            color: var(--brand-text);
            font-weight: 700;
            font-size: 15px;
            padding: 16px 20px;
            box-shadow: none;
            border-radius: var(--brand-radius-sm) !important;
        }
        .faq-accordion .accordion-button:not(.collapsed) {
            background: var(--brand-primary-light);
            color: var(--brand-primary-dark);
            box-shadow: none;
        }
        .faq-accordion .accordion-button:focus {
            box-shadow: 0 0 0 3px rgba(43,108,176,0.12);
        }
        .faq-accordion .accordion-button::after {
            filter: invert(30%) sepia(60%) saturate(500%) hue-rotate(180deg);
        }
        .faq-accordion .accordion-body {
            font-size: 15px;
            line-height: 1.8;
            color: var(--brand-text-muted);
            padding: 16px 20px;
            background: #FBFCFE;
        }

        /* CTA 表单 */
        .cta-form-section {
            background: linear-gradient(135deg, var(--brand-primary-light) 0%, #F6F8FC 100%);
            border-radius: var(--brand-radius-lg);
            padding: 40px;
            border: 1px solid var(--brand-border);
        }
        .cta-form-section .cta-left h2 {
            font-size: 1.6rem;
            font-weight: 700;
            margin-bottom: 12px;
            color: var(--brand-text);
        }
        .cta-form-section .cta-left p {
            color: var(--brand-text-muted);
            line-height: 1.8;
        }
        .form-card {
            background: var(--brand-card);
            border-radius: var(--brand-radius);
            padding: 24px;
            box-shadow: var(--brand-shadow);
            border: 1px solid var(--brand-border);
        }
        .form-card label {
            font-size: 13px;
            font-weight: 600;
            color: var(--brand-text);
            margin-bottom: 4px;
        }
        .form-card .form-control {
            border-radius: var(--brand-radius-sm);
            border: 1px solid var(--brand-border);
            padding: 10px 14px;
            font-size: 14px;
            transition: var(--brand-transition);
            background: #FBFCFE;
        }
        .form-card .form-control:focus {
            border-color: var(--brand-primary);
            box-shadow: 0 0 0 3px rgba(43,108,176,0.12);
        }
        .form-card .btn-submit {
            background: var(--brand-primary);
            border: none;
            border-radius: var(--brand-radius-sm);
            padding: 11px 26px;
            font-weight: 600;
            color: #fff;
            transition: var(--brand-transition);
            width: 100%;
        }
        .form-card .btn-submit:hover {
            background: var(--brand-primary-dark);
            transform: translateY(-2px);
            box-shadow: var(--brand-shadow-hover);
        }

        /* 分页 */
        .pagination-custom {
            display: flex;
            justify-content: center;
            gap: 6px;
            margin-top: 32px;
            flex-wrap: wrap;
        }
        .pagination-custom .page-link-custom {
            width: 38px;
            height: 38px;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: var(--brand-radius-sm);
            background: var(--brand-card);
            border: 1px solid var(--brand-border);
            color: var(--brand-text-muted);
            font-weight: 500;
            font-size: 14px;
            transition: var(--brand-transition);
        }
        .pagination-custom .page-link-custom:hover {
            background: var(--brand-primary-light);
            color: var(--brand-primary-dark);
            border-color: var(--brand-primary);
        }
        .pagination-custom .page-link-custom.active {
            background: var(--brand-primary);
            color: #fff;
            border-color: var(--brand-primary);
        }

        /* 页脚 */
        .app-shell-footer {
            background: var(--brand-text);
            color: rgba(255,255,255,0.82);
            padding: 48px 0 32px;
            margin-top: 64px;
            border-radius: 24px 24px 0 0;
        }
        .app-shell-footer .brand-container {
            display: flex;
            flex-direction: column;
            gap: 24px;
        }
        .app-shell-footer .footer-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            font-family: var(--font-heading);
            font-weight: 700;
            font-size: 1.3rem;
            color: #fff;
            margin-bottom: 8px;
        }
        .app-shell-footer .footer-brand i {
            color: var(--brand-accent);
        }
        .app-shell-footer .footer-brand span {
            color: #fff;
        }
        .app-shell-footer .footer-text {
            color: rgba(255,255,255,0.68);
            font-size: 14px;
            line-height: 1.8;
            max-width: 680px;
            margin-bottom: 16px;
        }
        .app-shell-footer .footer-links {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            margin-bottom: 16px;
        }
        .app-shell-footer .footer-links a {
            color: rgba(255,255,255,0.72);
            font-size: 14px;
            transition: var(--brand-transition);
        }
        .app-shell-footer .footer-links a:hover {
            color: var(--brand-accent);
        }
        .app-shell-footer .footer-copyright {
            font-size: 12px;
            color: rgba(255,255,255,0.55);
            line-height: 2;
            border-top: 1px solid rgba(255,255,255,0.12);
            padding-top: 16px;
        }

        /* Offcanvas 移动端抽屉 */
        .mobile-offcanvas {
            width: 280px !important;
            background: var(--brand-card);
        }
        .mobile-offcanvas .offcanvas-header {
            border-bottom: 1px solid var(--brand-border);
            padding: 16px;
        }
        .mobile-offcanvas .offcanvas-header .offcanvas-title {
            font-family: var(--font-heading);
            font-weight: 700;
            font-size: 1.2rem;
            color: var(--brand-primary-dark);
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .mobile-offcanvas .offcanvas-header .offcanvas-title i {
            color: var(--brand-accent);
        }
        .mobile-offcanvas .offcanvas-body {
            padding: 12px;
        }
        .mobile-offcanvas nav {
            display: flex;
            flex-direction: column;
            gap: 4px;
        }
        .mobile-offcanvas nav a {
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 11px 14px;
            border-radius: var(--brand-radius-sm);
            color: var(--brand-text-muted);
            font-weight: 500;
            font-size: 14px;
            transition: var(--brand-transition);
            border-left: 3px solid transparent;
        }
        .mobile-offcanvas nav a i {
            width: 20px;
            text-align: center;
            color: var(--brand-text-muted);
        }
        .mobile-offcanvas nav a:hover {
            background: var(--brand-primary-light);
            color: var(--brand-primary-dark);
        }
        .mobile-offcanvas nav a.active {
            background: var(--brand-primary-light);
            color: var(--brand-primary-dark);
            font-weight: 600;
            border-left: 3px solid var(--brand-primary);
        }
        .mobile-offcanvas nav a.active i {
            color: var(--brand-primary);
        }

        /* 响应式 */
        @media (min-width: 992px) {
            .app-shell-mobile-header {
                display: none !important;
            }
            .app-shell-sidebar {
                display: flex !important;
            }
            .app-shell-main {
                margin-left: var(--sidebar-width);
            }
        }
        @media (max-width: 991.98px) {
            .app-shell-sidebar {
                display: none;
            }
            .app-shell-mobile-header {
                display: flex;
            }
            .app-shell-main {
                margin-left: 0;
                padding-top: var(--navbar-mobile-height);
            }
            .brand-container {
                padding-left: 16px;
                padding-right: 16px;
            }
            .tech-hero .tech-hero-inner {
                padding: 0 16px;
            }
            .tech-hero h1 {
                font-size: 1.8rem;
            }
            .section-spacing {
                padding: 40px 0;
            }
            .capability-grid {
                grid-template-columns: 1fr 1fr;
            }
            .cap-card.cap-large {
                grid-row: span 1;
                grid-column: span 2;
            }
            .solution-grid {
                grid-template-columns: 1fr 1fr;
            }
            .process-steps {
                grid-template-columns: 1fr 1fr;
            }
            .comparison-table-wrapper {
                overflow-x: auto;
            }
        }
        @media (max-width: 767.98px) {
            .tech-hero {
                padding: 40px 0 32px;
            }
            .tech-hero h1 {
                font-size: 1.5rem;
            }
            .capability-grid {
                grid-template-columns: 1fr;
            }
            .cap-card.cap-large {
                grid-column: span 1;
            }
            .data-strip {
                flex-direction: column;
                align-items: flex-start;
            }
            .solution-grid {
                grid-template-columns: 1fr;
            }
            .process-steps {
                grid-template-columns: 1fr;
            }
            .cta-form-section {
                padding: 24px 16px;
            }
            .filter-toolbar {
                flex-direction: column;
                align-items: stretch;
            }
            .filter-toolbar .filter-group {
                flex-wrap: wrap;
            }
            .section-title {
                font-size: 1.4rem;
            }
            .deep-content {
                padding: 20px;
            }
        }

/* roulang page: category7 */
:root {
            --brand-primary: #2B6CB0;
            --brand-primary-dark: #1F5E9E;
            --brand-primary-light: #EAF2FB;
            --brand-accent: #E85A2A;
            --brand-accent-hover: #D94A1E;
            --brand-bg: #F6F8FC;
            --brand-card: #FFFFFF;
            --brand-text: #1A2433;
            --brand-text-muted: #6B7A90;
            --brand-border: #E5EAF2;
            --brand-success: #2A9D8F;
            --brand-radius: 14px;
            --brand-radius-sm: 10px;
            --brand-radius-lg: 18px;
            --brand-shadow: 0 8px 24px rgba(15, 45, 80, 0.08);
            --brand-shadow-hover: 0 12px 32px rgba(15, 45, 80, 0.16);
            --brand-shadow-sm: 0 2px 8px rgba(15, 45, 80, 0.06);
            --brand-transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --sidebar-width: 248px;
            --navbar-mobile-height: 60px;
            --font-heading: 'PingFang SC', 'Microsoft YaHei', '思源黑体', '阿里巴巴普惠体', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
            --font-body: 'PingFang SC', 'Microsoft YaHei', '思源黑体', '阿里巴巴普惠体', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
            --font-numeric: 'DIN Alternate', 'Roboto Condensed', 'Barlow Condensed', 'PingFang SC', 'Microsoft YaHei', sans-serif;
        }

        * {
            box-sizing: border-box;
        }

        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }

        body {
            font-family: var(--font-body);
            font-size: 15px;
            line-height: 1.75;
            color: var(--brand-text);
            background-color: var(--brand-bg);
            margin: 0;
            padding: 0;
            overflow-x: hidden;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        a {
            color: var(--brand-primary);
            text-decoration: none;
            transition: var(--brand-transition);
        }
        a:hover {
            color: var(--brand-primary-dark);
            text-decoration: none;
        }
        a:focus-visible {
            outline: 2px solid var(--brand-primary);
            outline-offset: 2px;
            border-radius: 4px;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        button,
        input,
        select,
        textarea {
            font-family: var(--font-body);
            font-size: 14px;
        }
        button:focus-visible,
        input:focus-visible,
        select:focus-visible,
        textarea:focus-visible {
            outline: 2px solid var(--brand-primary);
            outline-offset: 1px;
        }

        .brand-container {
            max-width: 1240px;
            margin: 0 auto;
            padding-left: 32px;
            padding-right: 32px;
        }

        /* ========== App Shell Sidebar (Desktop) ========== */
        .app-shell-sidebar {
            position: fixed;
            top: 0;
            left: 0;
            bottom: 0;
            width: var(--sidebar-width);
            background: var(--brand-card);
            border-right: 1px solid var(--brand-border);
            z-index: 1040;
            display: flex;
            flex-direction: column;
            padding: 20px 14px;
            box-shadow: 0 0 20px rgba(15, 45, 80, 0.04);
            overflow-y: auto;
        }

        .app-shell-sidebar .sidebar-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-family: var(--font-heading);
            font-weight: 700;
            font-size: 1.3rem;
            color: var(--brand-primary-dark);
            padding: 6px 10px 18px 10px;
            border-bottom: 1px solid var(--brand-border);
            margin-bottom: 16px;
        }
        .app-shell-sidebar .sidebar-logo i {
            font-size: 1.4rem;
            color: var(--brand-accent);
        }
        .app-shell-sidebar .sidebar-logo span {
            color: var(--brand-text);
        }

        .app-shell-sidebar nav {
            display: flex;
            flex-direction: column;
            gap: 4px;
            flex: 1;
        }
        .app-shell-sidebar nav a {
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 10px 12px;
            border-radius: var(--brand-radius-sm);
            color: var(--brand-text-muted);
            font-weight: 500;
            font-size: 14px;
            transition: var(--brand-transition);
            position: relative;
            border-left: 3px solid transparent;
        }
        .app-shell-sidebar nav a i {
            width: 20px;
            text-align: center;
            font-size: 15px;
            color: var(--brand-text-muted);
            transition: var(--brand-transition);
        }
        .app-shell-sidebar nav a:hover {
            background: var(--brand-primary-light);
            color: var(--brand-primary-dark);
        }
        .app-shell-sidebar nav a:hover i {
            color: var(--brand-primary);
        }
        .app-shell-sidebar nav a.active {
            background: var(--brand-primary-light);
            color: var(--brand-primary-dark);
            font-weight: 600;
            border-left: 3px solid var(--brand-primary);
        }
        .app-shell-sidebar nav a.active i {
            color: var(--brand-primary);
        }

        .app-shell-sidebar .sidebar-footer-meta {
            padding: 12px 10px 4px 10px;
            font-size: 11px;
            color: var(--brand-text-muted);
            border-top: 1px solid var(--brand-border);
            margin-top: 12px;
        }

        /* ========== Mobile Header ========== */
        .app-shell-mobile-header {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            height: var(--navbar-mobile-height);
            background: var(--brand-card);
            border-bottom: 1px solid var(--brand-border);
            z-index: 1030;
            align-items: center;
            padding: 0 16px;
            gap: 12px;
            box-shadow: 0 2px 8px rgba(15, 45, 80, 0.04);
        }
        .app-shell-mobile-header .btn-menu {
            background: none;
            border: 1px solid var(--brand-border);
            border-radius: var(--brand-radius-sm);
            color: var(--brand-text);
            padding: 8px 10px;
            font-size: 16px;
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            transition: var(--brand-transition);
        }
        .app-shell-mobile-header .btn-menu:hover {
            background: var(--brand-primary-light);
            color: var(--brand-primary-dark);
            border-color: var(--brand-primary);
        }
        .app-shell-mobile-header .mobile-logo {
            display: flex;
            align-items: center;
            gap: 8px;
            font-weight: 700;
            font-size: 1.15rem;
            color: var(--brand-primary-dark);
        }
        .app-shell-mobile-header .mobile-logo i {
            color: var(--brand-accent);
            font-size: 1.2rem;
        }

        /* ========== Offcanvas Mobile Sidebar ========== */
        .mobile-offcanvas {
            background: var(--brand-card);
            width: 280px !important;
            border-right: 1px solid var(--brand-border);
        }
        .mobile-offcanvas .offcanvas-header {
            border-bottom: 1px solid var(--brand-border);
            padding: 16px 18px;
        }
        .mobile-offcanvas .offcanvas-title {
            display: flex;
            align-items: center;
            gap: 8px;
            font-weight: 700;
            font-size: 1.15rem;
            color: var(--brand-primary-dark);
        }
        .mobile-offcanvas .offcanvas-title i {
            color: var(--brand-accent);
        }
        .mobile-offcanvas .offcanvas-body {
            padding: 16px 14px;
            display: flex;
            flex-direction: column;
        }
        .mobile-offcanvas .offcanvas-body nav {
            display: flex;
            flex-direction: column;
            gap: 4px;
            flex: 1;
        }
        .mobile-offcanvas .offcanvas-body nav a {
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 10px 12px;
            border-radius: var(--brand-radius-sm);
            color: var(--brand-text-muted);
            font-weight: 500;
            font-size: 14px;
            transition: var(--brand-transition);
            border-left: 3px solid transparent;
        }
        .mobile-offcanvas .offcanvas-body nav a i {
            width: 20px;
            text-align: center;
            font-size: 15px;
            color: var(--brand-text-muted);
            transition: var(--brand-transition);
        }
        .mobile-offcanvas .offcanvas-body nav a:hover {
            background: var(--brand-primary-light);
            color: var(--brand-primary-dark);
        }
        .mobile-offcanvas .offcanvas-body nav a.active {
            background: var(--brand-primary-light);
            color: var(--brand-primary-dark);
            font-weight: 600;
            border-left: 3px solid var(--brand-primary);
        }
        .mobile-offcanvas .offcanvas-body nav a.active i {
            color: var(--brand-primary);
        }
        .mobile-offcanvas .mobile-sidebar-footer {
            padding: 12px 10px 4px 10px;
            font-size: 11px;
            color: var(--brand-text-muted);
            border-top: 1px solid var(--brand-border);
            margin-top: 12px;
        }
        .btn-close {
            filter: none;
            opacity: 0.6;
        }
        .btn-close:hover {
            opacity: 1;
        }

        /* ========== Main Content Area ========== */
        .app-shell-main {
            margin-left: var(--sidebar-width);
            min-height: 100vh;
            display: flex;
            flex-direction: column;
        }
        .app-shell-main .main-content {
            flex: 1;
            padding: 40px 32px 0 32px;
        }

        /* ========== Category Hero ========== */
        .category-hero {
            position: relative;
            border-radius: var(--brand-radius-lg);
            overflow: hidden;
            padding: 48px 40px;
            background-image: url('/assets/images/backpic/back-1.webp');
            background-size: cover;
            background-position: center;
            margin-bottom: 28px;
            min-height: 280px;
            display: flex;
            align-items: center;
        }
        .category-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(246, 248, 252, 0.92) 0%, rgba(234, 242, 251, 0.88) 55%, rgba(255, 255, 255, 0.75) 100%);
            z-index: 1;
        }
        .category-hero .hero-content {
            position: relative;
            z-index: 2;
            max-width: 720px;
        }
        .category-hero .hero-badge {
            display: inline-block;
            background: var(--brand-accent);
            color: #fff;
            font-size: 13px;
            font-weight: 600;
            padding: 4px 14px;
            border-radius: 20px;
            margin-bottom: 14px;
            letter-spacing: 0.5px;
        }
        .category-hero h1 {
            font-family: var(--font-heading);
            font-size: 2.2rem;
            font-weight: 700;
            color: var(--brand-text);
            line-height: 1.3;
            margin-bottom: 12px;
        }
        .category-hero h1 span {
            color: var(--brand-primary-dark);
        }
        .category-hero .hero-sub {
            font-size: 16px;
            color: var(--brand-text-muted);
            line-height: 1.8;
            margin-bottom: 20px;
            max-width: 620px;
        }
        .category-hero .hero-actions {
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
        }

        /* ========== Buttons ========== */
        .btn-brand-primary {
            background: var(--brand-primary);
            color: #fff;
            border: none;
            border-radius: var(--brand-radius-sm);
            padding: 10px 24px;
            font-size: 15px;
            font-weight: 500;
            transition: var(--brand-transition);
            display: inline-flex;
            align-items: center;
            gap: 8px;
            cursor: pointer;
        }
        .btn-brand-primary:hover {
            background: var(--brand-primary-dark);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 6px 16px rgba(31, 94, 158, 0.25);
        }
        .btn-brand-primary:active {
            transform: translateY(0);
            box-shadow: none;
        }
        .btn-brand-outline {
            background: transparent;
            color: var(--brand-primary);
            border: 1.5px solid var(--brand-primary);
            border-radius: var(--brand-radius-sm);
            padding: 9px 22px;
            font-size: 15px;
            font-weight: 500;
            transition: var(--brand-transition);
            display: inline-flex;
            align-items: center;
            gap: 8px;
            cursor: pointer;
        }
        .btn-brand-outline:hover {
            background: rgba(43, 108, 176, 0.08);
            color: var(--brand-primary-dark);
            border-color: var(--brand-primary-dark);
            transform: translateY(-2px);
        }
        .btn-brand-outline:active {
            transform: translateY(0);
        }
        .btn-sm-brand {
            background: transparent;
            color: var(--brand-primary);
            border: 1px solid var(--brand-border);
            border-radius: 8px;
            padding: 6px 14px;
            font-size: 13px;
            font-weight: 500;
            transition: var(--brand-transition);
            cursor: pointer;
        }
        .btn-sm-brand:hover {
            background: var(--brand-primary-light);
            color: var(--brand-primary-dark);
            border-color: var(--brand-primary);
        }

        /* ========== Filter Toolbar ========== */
        .filter-toolbar {
            background: var(--brand-card);
            border-radius: var(--brand-radius);
            padding: 16px 20px;
            border: 1px solid var(--brand-border);
            box-shadow: var(--brand-shadow-sm);
            margin-bottom: 28px;
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 12px;
        }
        .filter-toolbar .filter-group {
            display: flex;
            align-items: center;
            gap: 8px;
            flex-wrap: wrap;
        }
        .filter-toolbar .filter-label {
            font-size: 13px;
            color: var(--brand-text-muted);
            font-weight: 500;
            white-space: nowrap;
        }
        .filter-toolbar .filter-select {
            border: 1px solid var(--brand-border);
            border-radius: 8px;
            padding: 6px 12px;
            font-size: 13px;
            color: var(--brand-text);
            background: var(--brand-card);
            cursor: pointer;
            transition: var(--brand-transition);
            min-width: 120px;
        }
        .filter-toolbar .filter-select:focus {
            border-color: var(--brand-primary);
            box-shadow: 0 0 0 3px rgba(43, 108, 176, 0.1);
        }
        .filter-toolbar .tag-btn {
            background: var(--brand-bg);
            border: 1px solid var(--brand-border);
            border-radius: 20px;
            padding: 5px 14px;
            font-size: 12px;
            color: var(--brand-text-muted);
            cursor: pointer;
            transition: var(--brand-transition);
            white-space: nowrap;
        }
        .filter-toolbar .tag-btn:hover {
            background: var(--brand-primary-light);
            color: var(--brand-primary-dark);
            border-color: var(--brand-primary);
        }
        .filter-toolbar .tag-btn.active-tag {
            background: var(--brand-primary);
            color: #fff;
            border-color: var(--brand-primary);
        }

        /* ========== Activity Cards Grid (Asymmetric) ========== */
        .activity-grid {
            display: grid;
            grid-template-columns: repeat(12, 1fr);
            gap: 20px;
            margin-bottom: 32px;
        }
        .activity-card {
            background: var(--brand-card);
            border-radius: var(--brand-radius);
            border: 1px solid var(--brand-border);
            box-shadow: var(--brand-shadow);
            overflow: hidden;
            transition: var(--brand-transition);
            display: flex;
            flex-direction: column;
        }
        .activity-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--brand-shadow-hover);
            border-color: rgba(43, 108, 176, 0.3);
        }
        .activity-card .card-img-wrap {
            position: relative;
            overflow: hidden;
            aspect-ratio: 16 / 9;
            background: #EAF2FB;
        }
        .activity-card .card-img-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }
        .activity-card:hover .card-img-wrap img {
            transform: scale(1.04);
        }
        .activity-card .card-tag {
            position: absolute;
            top: 12px;
            left: 12px;
            background: rgba(26, 36, 51, 0.82);
            color: #fff;
            font-size: 11px;
            font-weight: 600;
            padding: 4px 12px;
            border-radius: 20px;
            letter-spacing: 0.5px;
            z-index: 2;
        }
        .activity-card .card-tag.hot {
            background: var(--brand-accent);
        }
        .activity-card .card-tag.new {
            background: var(--brand-success);
        }
        .activity-card .card-body {
            padding: 18px 20px 20px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .activity-card .card-title {
            font-family: var(--font-heading);
            font-size: 16px;
            font-weight: 700;
            color: var(--brand-text);
            margin-bottom: 8px;
            line-height: 1.45;
        }
        .activity-card .card-desc {
            font-size: 13.5px;
            color: var(--brand-text-muted);
            line-height: 1.7;
            margin-bottom: 12px;
            flex: 1;
        }
        .activity-card .card-meta {
            display: flex;
            align-items: center;
            gap: 14px;
            font-size: 12px;
            color: var(--brand-text-muted);
            padding-top: 10px;
            border-top: 1px solid var(--brand-border);
        }
        .activity-card .card-meta i {
            color: var(--brand-primary);
            margin-right: 4px;
            font-size: 11px;
        }
        .activity-card .card-meta .meta-stat {
            color: var(--brand-accent);
            font-weight: 600;
            font-family: var(--font-numeric);
        }
        .activity-card.col-span-6 {
            grid-column: span 6;
        }
        .activity-card.col-span-4 {
            grid-column: span 4;
        }
        .activity-card.col-span-8 {
            grid-column: span 8;
        }
        .activity-card.col-span-3 {
            grid-column: span 3;
        }
        .activity-card.col-span-9 {
            grid-column: span 9;
        }
        .activity-card.col-span-5 {
            grid-column: span 5;
        }
        .activity-card.col-span-7 {
            grid-column: span 7;
        }

        /* ========== Section Common ========== */
        .section-block {
            margin-bottom: 48px;
        }
        .section-heading {
            margin-bottom: 20px;
        }
        .section-heading h2 {
            font-family: var(--font-heading);
            font-size: 1.5rem;
            font-weight: 700;
            color: var(--brand-text);
            margin-bottom: 6px;
            line-height: 1.4;
        }
        .section-heading p {
            font-size: 14px;
            color: var(--brand-text-muted);
            margin: 0;
            line-height: 1.7;
        }

        /* ========== Highlight Section ========== */
        .highlight-panel {
            background: var(--brand-card);
            border-radius: var(--brand-radius-lg);
            border: 1px solid var(--brand-border);
            box-shadow: var(--brand-shadow);
            padding: 32px 36px;
            display: grid;
            grid-template-columns: 1.4fr 1fr;
            gap: 28px;
            align-items: center;
        }
        .highlight-panel .highlight-text h2 {
            font-family: var(--font-heading);
            font-size: 1.35rem;
            font-weight: 700;
            color: var(--brand-text);
            margin-bottom: 12px;
        }
        .highlight-panel .highlight-text p {
            font-size: 14px;
            color: var(--brand-text-muted);
            line-height: 1.85;
            margin-bottom: 10px;
        }
        .highlight-panel .highlight-image {
            border-radius: var(--brand-radius);
            overflow: hidden;
            aspect-ratio: 4 / 3;
            background: #EAF2FB;
        }
        .highlight-panel .highlight-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        /* ========== Process Steps ========== */
        .process-steps {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 16px;
        }
        .process-step {
            background: var(--brand-card);
            border-radius: var(--brand-radius);
            border: 1px solid var(--brand-border);
            box-shadow: var(--brand-shadow-sm);
            padding: 20px 18px;
            text-align: center;
            transition: var(--brand-transition);
        }
        .process-step:hover {
            box-shadow: var(--brand-shadow-hover);
            border-color: rgba(43, 108, 176, 0.3);
            transform: translateY(-3px);
        }
        .process-step .step-num {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background: var(--brand-primary-light);
            color: var(--brand-primary-dark);
            font-weight: 700;
            font-size: 15px;
            margin-bottom: 10px;
            font-family: var(--font-numeric);
        }
        .process-step h4 {
            font-size: 14px;
            font-weight: 600;
            color: var(--brand-text);
            margin-bottom: 6px;
        }
        .process-step p {
            font-size: 12.5px;
            color: var(--brand-text-muted);
            margin: 0;
            line-height: 1.65;
        }

        /* ========== Stats Strip ========== */
        .stats-strip {
            background: linear-gradient(135deg, var(--brand-primary-dark) 0%, var(--brand-primary) 60%, #3B82C4 100%);
            border-radius: var(--brand-radius-lg);
            padding: 28px 32px;
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            box-shadow: 0 10px 28px rgba(31, 94, 158, 0.2);
        }
        .stats-strip .stat-item {
            text-align: center;
        }
        .stats-strip .stat-num {
            font-family: var(--font-numeric);
            font-size: 2rem;
            font-weight: 700;
            color: #fff;
            line-height: 1.2;
            letter-spacing: 0.5px;
        }
        .stats-strip .stat-label {
            font-size: 13px;
            color: rgba(255, 255, 255, 0.82);
            margin-top: 4px;
        }

        /* ========== Timeline ========== */
        .activity-timeline {
            background: var(--brand-card);
            border-radius: var(--brand-radius-lg);
            border: 1px solid var(--brand-border);
            box-shadow: var(--brand-shadow);
            padding: 28px 32px;
        }
        .timeline-item {
            display: flex;
            gap: 18px;
            padding: 18px 0;
            border-bottom: 1px solid var(--brand-border);
            position: relative;
        }
        .timeline-item:last-child {
            border-bottom: none;
            padding-bottom: 0;
        }
        .timeline-item:first-child {
            padding-top: 0;
        }
        .timeline-item .timeline-date {
            min-width: 80px;
            font-family: var(--font-numeric);
            font-size: 13px;
            font-weight: 700;
            color: var(--brand-primary-dark);
            padding-top: 2px;
        }
        .timeline-item .timeline-content h4 {
            font-size: 14.5px;
            font-weight: 600;
            color: var(--brand-text);
            margin-bottom: 4px;
        }
        .timeline-item .timeline-content p {
            font-size: 13px;
            color: var(--brand-text-muted);
            margin: 0;
            line-height: 1.7;
        }

        /* ========== FAQ ========== */
        .faq-accordion .accordion-item {
            border: 1px solid var(--brand-border);
            border-radius: var(--brand-radius-sm) !important;
            margin-bottom: 10px;
            overflow: hidden;
            box-shadow: var(--brand-shadow-sm);
            background: var(--brand-card);
        }
        .faq-accordion .accordion-button {
            background: var(--brand-card);
            color: var(--brand-text);
            font-weight: 600;
            font-size: 15px;
            padding: 16px 20px;
            border: none;
            box-shadow: none;
        }
        .faq-accordion .accordion-button:not(.collapsed) {
            background: var(--brand-primary-light);
            color: var(--brand-primary-dark);
            box-shadow: none;
        }
        .faq-accordion .accordion-button:focus {
            box-shadow: none;
            border-color: var(--brand-primary);
        }
        .faq-accordion .accordion-button::after {
            background-size: 14px;
            transition: var(--brand-transition);
        }
        .faq-accordion .accordion-body {
            padding: 16px 20px 18px;
            font-size: 15px;
            line-height: 1.8;
            color: var(--brand-text-muted);
            background: var(--brand-card);
        }
        .faq-accordion .accordion-item:has(.accordion-button:not(.collapsed)) {
            border-left: 3px solid var(--brand-primary);
        }

        /* ========== CTA Form ========== */
        .cta-form-section {
            background: var(--brand-card);
            border-radius: var(--brand-radius-lg);
            border: 1px solid var(--brand-border);
            box-shadow: var(--brand-shadow);
            padding: 0;
            overflow: hidden;
            display: grid;
            grid-template-columns: 1fr 1.2fr;
            gap: 0;
        }
        .cta-form-section .cta-info {
            padding: 36px 32px;
            background: linear-gradient(135deg, var(--brand-primary-light) 0%, #F0F6FC 60%, #FAFCFF 100%);
            display: flex;
            flex-direction: column;
            justify-content: center;
        }
        .cta-form-section .cta-info h2 {
            font-family: var(--font-heading);
            font-size: 1.35rem;
            font-weight: 700;
            color: var(--brand-text);
            margin-bottom: 12px;
        }
        .cta-form-section .cta-info p {
            font-size: 14px;
            color: var(--brand-text-muted);
            line-height: 1.8;
            margin-bottom: 16px;
        }
        .cta-form-section .cta-info .cta-points {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .cta-form-section .cta-info .cta-points li {
            font-size: 13.5px;
            color: var(--brand-text);
            padding: 6px 0;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .cta-form-section .cta-info .cta-points li i {
            color: var(--brand-success);
            font-size: 14px;
        }
        .cta-form-section .cta-form-wrap {
            padding: 36px 32px;
            background: var(--brand-card);
        }
        .cta-form-section .form-label {
            font-size: 13px;
            font-weight: 500;
            color: var(--brand-text);
            margin-bottom: 5px;
        }
        .cta-form-section .form-control {
            border: 1px solid var(--brand-border);
            border-radius: var(--brand-radius-sm);
            padding: 10px 14px;
            font-size: 14px;
            color: var(--brand-text);
            transition: var(--brand-transition);
            background: var(--brand-bg);
        }
        .cta-form-section .form-control:focus {
            border-color: var(--brand-primary);
            box-shadow: 0 0 0 3px rgba(43, 108, 176, 0.1);
            background: #fff;
        }
        .cta-form-section .form-select {
            border: 1px solid var(--brand-border);
            border-radius: var(--brand-radius-sm);
            padding: 10px 14px;
            font-size: 14px;
            color: var(--brand-text);
            transition: var(--brand-transition);
            background: var(--brand-bg);
        }
        .cta-form-section .form-select:focus {
            border-color: var(--brand-primary);
            box-shadow: 0 0 0 3px rgba(43, 108, 176, 0.1);
        }
        .cta-form-section textarea.form-control {
            min-height: 90px;
            resize: vertical;
        }

        /* ========== Pagination ========== */
        .brand-pagination {
            display: flex;
            justify-content: center;
            margin: 20px 0 36px;
        }
        .brand-pagination .pagination {
            gap: 6px;
        }
        .brand-pagination .page-item .page-link {
            border: 1px solid var(--brand-border);
            border-radius: 8px;
            color: var(--brand-text-muted);
            font-size: 13px;
            padding: 8px 14px;
            background: var(--brand-card);
            transition: var(--brand-transition);
            font-weight: 500;
        }
        .brand-pagination .page-item .page-link:hover {
            background: var(--brand-primary-light);
            color: var(--brand-primary-dark);
            border-color: var(--brand-primary);
        }
        .brand-pagination .page-item.active .page-link {
            background: var(--brand-primary);
            color: #fff;
            border-color: var(--brand-primary);
        }
        .brand-pagination .page-item.disabled .page-link {
            background: var(--brand-bg);
            color: #B0B8C5;
            border-color: var(--brand-border);
            cursor: not-allowed;
        }

        /* ========== Footer ========== */
        .app-shell-footer {
            background: #1A2433;
            color: #C5CEDB;
            padding: 36px 32px;
            margin-top: 20px;
            border-top: 1px solid #2A3648;
        }
        .app-shell-footer .brand-container {
            max-width: 1240px;
            margin: 0 auto;
            padding: 0;
        }
        .app-shell-footer .footer-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 700;
            font-size: 1.2rem;
            color: #fff;
            margin-bottom: 10px;
        }
        .app-shell-footer .footer-brand i {
            color: var(--brand-accent);
        }
        .app-shell-footer .footer-text {
            font-size: 13px;
            line-height: 1.8;
            color: #9AABBF;
            margin-bottom: 18px;
            max-width: 640px;
        }
        .app-shell-footer .footer-links {
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
            margin-bottom: 18px;
            padding-bottom: 16px;
            border-bottom: 1px solid #2A3648;
        }
        .app-shell-footer .footer-links a {
            color: #C5CEDB;
            font-size: 13px;
            transition: var(--brand-transition);
        }
        .app-shell-footer .footer-links a:hover {
            color: #fff;
        }
        .app-shell-footer .footer-copyright {
            font-size: 12.5px;
            line-height: 1.7;
            color: #8A9BB0;
        }
        .app-shell-footer .footer-copyright span {
            display: inline-block;
            margin-right: 12px;
        }

        /* ========== Responsive ========== */
        @media (max-width: 1199.98px) {
            .activity-card.col-span-3 {
                grid-column: span 4;
            }
            .activity-card.col-span-9 {
                grid-column: span 8;
            }
            .highlight-panel {
                grid-template-columns: 1fr;
                padding: 24px;
            }
            .highlight-panel .highlight-image {
                order: -1;
            }
        }

        @media (max-width: 991.98px) {
            .app-shell-sidebar {
                display: none;
            }
            .app-shell-mobile-header {
                display: flex;
            }
            .app-shell-main {
                margin-left: 0;
                padding-top: var(--navbar-mobile-height);
            }
            .app-shell-main .main-content {
                padding: 24px 16px 0 16px;
            }
            .category-hero {
                padding: 32px 24px;
                min-height: 220px;
            }
            .category-hero h1 {
                font-size: 1.7rem;
            }
            .activity-grid {
                grid-template-columns: repeat(6, 1fr);
                gap: 14px;
            }
            .activity-card.col-span-6,
            .activity-card.col-span-4,
            .activity-card.col-span-8,
            .activity-card.col-span-3,
            .activity-card.col-span-9,
            .activity-card.col-span-5,
            .activity-card.col-span-7 {
                grid-column: span 6;
            }
            .process-steps {
                grid-template-columns: repeat(2, 1fr);
            }
            .stats-strip {
                grid-template-columns: repeat(2, 1fr);
                padding: 20px;
                gap: 14px;
            }
            .cta-form-section {
                grid-template-columns: 1fr;
            }
            .cta-form-section .cta-info {
                padding: 24px 20px;
            }
            .cta-form-section .cta-form-wrap {
                padding: 24px 20px;
            }
            .brand-container {
                padding-left: 16px;
                padding-right: 16px;
            }
            .app-shell-footer {
                padding: 28px 16px;
            }
        }

        @media (max-width: 575.98px) {
            .category-hero {
                padding: 24px 18px;
                min-height: 200px;
                border-radius: var(--brand-radius);
            }
            .category-hero h1 {
                font-size: 1.35rem;
            }
            .category-hero .hero-sub {
                font-size: 13.5px;
            }
            .activity-grid {
                grid-template-columns: 1fr;
                gap: 12px;
            }
            .activity-card.col-span-6,
            .activity-card.col-span-4,
            .activity-card.col-span-8,
            .activity-card.col-span-3,
            .activity-card.col-span-9,
            .activity-card.col-span-5,
            .activity-card.col-span-7 {
                grid-column: span 1;
            }
            .filter-toolbar {
                flex-direction: column;
                align-items: stretch;
                padding: 14px;
            }
            .filter-toolbar .filter-group {
                flex-wrap: wrap;
            }
            .process-steps {
                grid-template-columns: 1fr;
            }
            .stats-strip {
                grid-template-columns: 1fr 1fr;
                padding: 18px 14px;
                gap: 12px;
                border-radius: var(--brand-radius);
            }
            .stats-strip .stat-num {
                font-size: 1.5rem;
            }
            .highlight-panel {
                padding: 18px;
                border-radius: var(--brand-radius);
            }
            .activity-timeline {
                padding: 18px 16px;
                border-radius: var(--brand-radius);
            }
            .timeline-item {
                flex-direction: column;
                gap: 4px;
                padding: 12px 0;
            }
            .timeline-item .timeline-date {
                min-width: auto;
            }
            .section-heading h2 {
                font-size: 1.25rem;
            }
            .cta-form-section {
                border-radius: var(--brand-radius);
            }
        }