/* roulang page: index */
:root {
            --brand-primary: #6D28D9;
            --brand-primary-rgb: 109, 40, 217;
            --brand-deep: #1B1428;
            --brand-deep-2: #2D1B4E;
            --accent-start: #0EA5E9;
            --accent-end: #2DD4BF;
            --gradient-brand: linear-gradient(135deg, #6D28D9, #4F46E5);
            --gradient-hero: linear-gradient(135deg, #1B1428 0%, #2D1B4E 45%, #6D28D9 100%);
            --gradient-accent: linear-gradient(135deg, #0EA5E9, #2DD4BF);
            --gradient-cta: linear-gradient(135deg, #6D28D9, #0EA5E9);
            --bg-page: #F5F3FA;
            --bg-surface: #FFFFFF;
            --bg-soft: #ECE8F4;
            --text-primary: #17142A;
            --text-secondary: #5B5770;
            --text-on-dark: #FFFFFF;
            --text-muted-on-dark: rgba(255, 255, 255, 0.72);
            --border-subtle: rgba(27, 20, 40, 0.08);
            --shadow-card: 0 4px 16px rgba(27, 20, 40, 0.06);
            --shadow-card-hover: 0 12px 32px rgba(109, 40, 217, 0.14);
            --radius-sm: 8px;
            --radius-md: 16px;
            --radius-lg: 24px;
            --radius-pill: 999px;
        }

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

        body {
            font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", "Helvetica Neue", Arial, sans-serif;
            background: var(--bg-page);
            color: var(--text-primary);
            line-height: 1.75;
            margin: 0;
            padding: 0;
            overflow-x: hidden;
        }

        a {
            text-decoration: none;
            color: inherit;
            transition: color 0.25s ease;
        }

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

        .text-secondary-custom {
            color: var(--text-secondary) !important;
        }

        /* ===== App Shell 布局 ===== */
        .app-shell {
            min-height: 100vh;
        }

        .sidebar {
            position: fixed;
            top: 0;
            left: 0;
            width: 260px;
            height: 100vh;
            background: linear-gradient(180deg, var(--brand-deep), var(--brand-deep-2));
            z-index: 1040;
            display: flex;
            flex-direction: column;
            transition: width 0.3s ease;
        }

        .sidebar-logo {
            height: 64px;
            display: flex;
            align-items: center;
            padding: 0 20px;
            gap: 12px;
            flex-shrink: 0;
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
        }

        .logo-mark {
            width: 42px;
            height: 42px;
            min-width: 42px;
            border-radius: 12px;
            background: var(--gradient-brand);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.3rem;
            font-weight: 800;
            color: #fff;
            letter-spacing: 1px;
        }

        .logo-text {
            color: #fff;
            font-size: 1.1rem;
            font-weight: 800;
            letter-spacing: 1px;
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }

        .sidebar-nav {
            flex: 1;
            padding: 20px 12px;
            display: flex;
            flex-direction: column;
            gap: 4px;
            overflow-y: auto;
        }

        .nav-item-custom {
            display: flex;
            align-items: center;
            gap: 12px;
            height: 44px;
            padding: 0 14px;
            border-radius: 10px;
            color: rgba(255, 255, 255, 0.72);
            font-size: 0.95rem;
            font-weight: 500;
            transition: background 0.25s ease, color 0.25s ease;
            white-space: nowrap;
            border: none;
            background: transparent;
            width: 100%;
            text-align: left;
            cursor: pointer;
        }

        .nav-item-custom i {
            font-size: 1.15rem;
            color: rgba(255, 255, 255, 0.6);
            transition: color 0.25s ease;
            min-width: 24px;
            text-align: center;
        }

        .nav-item-custom:hover {
            background: rgba(255, 255, 255, 0.08);
            color: #fff;
        }

        .nav-item-custom:hover i {
            color: rgba(255, 255, 255, 0.9);
        }

        .nav-item-custom.active {
            background: rgba(255, 255, 255, 0.12);
            color: #fff;
            font-weight: 600;
            border-left: 3px solid var(--accent-start);
            border-radius: 10px 4px 4px 10px;
        }

        .nav-item-custom.active i {
            color: var(--accent-start);
        }

        .nav-item-custom:focus-visible {
            outline: 2px solid var(--accent-start);
            outline-offset: 2px;
        }

        .sidebar-bottom {
            padding: 16px;
            flex-shrink: 0;
        }

        .sidebar-cta-btn {
            display: block;
            width: 100%;
            padding: 10px 16px;
            background: var(--gradient-accent);
            border: none;
            border-radius: 12px;
            font-size: 0.95rem;
            font-weight: 700;
            color: var(--brand-deep);
            text-align: center;
            cursor: pointer;
            transition: transform 0.25s ease, box-shadow 0.25s ease;
        }

        .sidebar-cta-btn:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(14, 165, 233, 0.3);
        }

        .sidebar-cta-btn:focus-visible {
            outline: 2px solid #fff;
            outline-offset: 2px;
        }

        .main-content {
            margin-left: 260px;
            min-height: 100vh;
            display: flex;
            flex-direction: column;
            transition: margin-left 0.3s ease;
        }

        main {
            flex: 1;
        }

        /* ===== 移动端顶部栏 ===== */
        .mobile-header {
            display: none;
            height: 64px;
            background: rgba(255, 255, 255, 0.95);
            backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--border-subtle);
            align-items: center;
            justify-content: space-between;
            padding: 0 16px;
            position: sticky;
            top: 0;
            z-index: 1030;
        }

        .mobile-logo {
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .mobile-logo .logo-mark {
            width: 36px;
            height: 36px;
            min-width: 36px;
            font-size: 1.1rem;
            border-radius: 10px;
        }

        .mobile-logo .logo-text {
            color: var(--text-primary);
            font-size: 1rem;
            font-weight: 800;
            letter-spacing: 1px;
        }

        .mobile-menu-btn {
            background: none;
            border: none;
            font-size: 1.6rem;
            color: var(--text-primary);
            padding: 6px;
            border-radius: 8px;
            cursor: pointer;
            line-height: 1;
        }

        .mobile-menu-btn:focus-visible {
            outline: 2px solid var(--brand-primary);
        }

        /* ===== 抽屉菜单 ===== */
        .drawer-backdrop {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: rgba(0, 0, 0, 0.45);
            z-index: 1045;
            opacity: 0;
            transition: opacity 0.3s ease;
        }

        .drawer-backdrop.show {
            opacity: 1;
        }

        .drawer {
            position: fixed;
            top: 0;
            left: -300px;
            width: 280px;
            height: 100vh;
            background: linear-gradient(180deg, var(--brand-deep), var(--brand-deep-2));
            z-index: 1050;
            transition: left 0.3s ease;
            display: flex;
            flex-direction: column;
            padding: 0;
        }

        .drawer.open {
            left: 0;
        }

        .drawer-header {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 16px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
        }

        .drawer-close-btn {
            background: none;
            border: none;
            font-size: 1.5rem;
            color: rgba(255, 255, 255, 0.7);
            cursor: pointer;
            padding: 4px;
            border-radius: 6px;
        }

        .drawer-close-btn:hover {
            color: #fff;
        }

        .drawer-nav {
            flex: 1;
            padding: 20px 12px;
            display: flex;
            flex-direction: column;
            gap: 4px;
        }

        .drawer-bottom {
            padding: 16px;
        }

        /* ===== 通用容器 ===== */
        .page-container {
            max-width: 1240px;
            margin: 0 auto;
            padding: 0 24px;
        }

        .section-block {
            padding: 80px 0;
        }

        .section-title {
            font-size: clamp(1.6rem, 3vw, 2.2rem);
            font-weight: 700;
            line-height: 1.3;
            margin-bottom: 0.75em;
            color: var(--text-primary);
        }

        .section-subtitle {
            color: var(--text-secondary);
            font-size: 1rem;
            margin-bottom: 40px;
            max-width: 600px;
        }

        /* ===== Hero ===== */
        .hero-section {
            padding: 80px 0 40px;
        }

        .hero-card {
            background: var(--gradient-hero);
            border-radius: var(--radius-lg);
            padding: 64px;
            color: var(--text-on-dark);
            position: relative;
            overflow: hidden;
            min-height: 420px;
            display: flex;
            align-items: center;
        }

        .hero-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background-image: url('/assets/images/backpic/back-1.png');
            background-size: cover;
            background-position: center;
            opacity: 0.25;
        }

        .hero-card::after {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: linear-gradient(90deg, rgba(27, 20, 40, 0.9) 0%, rgba(45, 27, 78, 0.6) 60%, rgba(109, 40, 217, 0.3) 100%);
        }

        .hero-content {
            position: relative;
            z-index: 2;
        }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(255, 255, 255, 0.12);
            border: 1px solid rgba(255, 255, 255, 0.2);
            padding: 6px 16px;
            border-radius: var(--radius-pill);
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.9);
            margin-bottom: 24px;
            backdrop-filter: blur(8px);
        }

        .hero-badge i {
            color: var(--accent-start);
        }

        .hero-title {
            font-size: clamp(2.2rem, 4vw, 3.2rem);
            font-weight: 800;
            line-height: 1.2;
            margin-bottom: 20px;
            color: #fff;
        }

        .hero-subtitle {
            font-size: 1.05rem;
            color: rgba(255, 255, 255, 0.78);
            max-width: 26em;
            margin-bottom: 32px;
            line-height: 1.7;
        }

        .hero-btns {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
        }

        .btn-hero-primary {
            background: #fff;
            color: var(--brand-deep);
            border: none;
            padding: 12px 28px;
            border-radius: 12px;
            font-weight: 700;
            font-size: 0.95rem;
            transition: transform 0.25s ease, box-shadow 0.25s ease;
            display: inline-flex;
            align-items: center;
            gap: 8px;
            cursor: pointer;
        }

        .btn-hero-primary:hover {
            transform: translateY(-3px);
            box-shadow: 0 10px 30px rgba(255, 255, 255, 0.15);
        }

        .btn-hero-outline {
            background: transparent;
            border: 1px solid rgba(255, 255, 255, 0.5);
            color: #fff;
            padding: 12px 28px;
            border-radius: 12px;
            font-weight: 600;
            font-size: 0.95rem;
            transition: background 0.25s ease, border-color 0.25s ease;
            display: inline-flex;
            align-items: center;
            gap: 8px;
            cursor: pointer;
        }

        .btn-hero-outline:hover {
            background: rgba(255, 255, 255, 0.12);
            border-color: rgba(255, 255, 255, 0.8);
        }

        .hero-visual {
            position: relative;
            z-index: 2;
            display: flex;
            flex-direction: column;
            gap: 16px;
            align-items: flex-end;
        }

        .hero-stat-card {
            background: rgba(255, 255, 255, 0.14);
            backdrop-filter: blur(12px);
            border: 1px solid rgba(255, 255, 255, 0.18);
            border-radius: var(--radius-md);
            padding: 20px 24px;
            display: flex;
            align-items: center;
            gap: 14px;
            min-width: 200px;
        }

        .hero-stat-icon {
            width: 44px;
            height: 44px;
            border-radius: 12px;
            background: var(--gradient-accent);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.3rem;
            color: var(--brand-deep);
            flex-shrink: 0;
        }

        .hero-stat-num {
            font-size: 1.5rem;
            font-weight: 800;
            color: #fff;
            line-height: 1.2;
        }

        .hero-stat-label {
            font-size: 0.8rem;
            color: rgba(255, 255, 255, 0.7);
        }

        /* ===== 数据条 ===== */
        .trust-bar {
            padding: 40px 0;
        }

        .trust-card {
            background: var(--bg-surface);
            border-radius: var(--radius-md);
            padding: 24px 20px;
            text-align: center;
            box-shadow: var(--shadow-card);
            transition: transform 0.25s ease, box-shadow 0.25s ease;
            height: 100%;
        }

        .trust-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-card-hover);
        }

        .trust-num {
            font-size: clamp(1.8rem, 3vw, 2.5rem);
            font-weight: 800;
            color: var(--brand-primary);
            line-height: 1.2;
            margin-bottom: 4px;
        }

        .trust-label {
            font-size: 0.875rem;
            color: var(--text-secondary);
        }

        /* ===== 功能分组卡 ===== */
        .feature-card {
            background: var(--bg-surface);
            border-radius: var(--radius-lg);
            padding: 32px;
            box-shadow: var(--shadow-card);
            transition: transform 0.25s ease, box-shadow 0.25s ease;
            height: 100%;
        }

        .feature-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-card-hover);
        }

        .feature-icon {
            width: 56px;
            height: 56px;
            border-radius: 16px;
            background: var(--gradient-brand);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.6rem;
            color: #fff;
            margin-bottom: 20px;
        }

        .feature-card h3 {
            font-size: 1.25rem;
            font-weight: 700;
            margin-bottom: 10px;
        }

        .feature-card p {
            color: var(--text-secondary);
            font-size: 0.9rem;
            margin-bottom: 16px;
            line-height: 1.7;
        }

        .feature-link {
            color: var(--brand-primary);
            font-weight: 600;
            font-size: 0.9rem;
            display: inline-flex;
            align-items: center;
            gap: 6px;
            transition: color 0.25s ease;
        }

        .feature-link:hover {
            color: #5A1FB0;
        }

        /* ===== 使用场景区 ===== */
        .scenario-section {
            background: var(--bg-surface);
            border-radius: var(--radius-lg);
            padding: 48px;
            margin: 40px 0;
        }

        .scenario-item {
            display: flex;
            gap: 16px;
            padding: 20px 16px;
            border-radius: var(--radius-md);
            transition: background 0.25s ease;
        }

        .scenario-item:hover {
            background: var(--bg-soft);
        }

        .scenario-icon {
            width: 48px;
            height: 48px;
            min-width: 48px;
            border-radius: 12px;
            background: var(--bg-soft);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.2rem;
            color: var(--brand-primary);
        }

        .scenario-item h4 {
            font-size: 1rem;
            font-weight: 700;
            margin-bottom: 4px;
        }

        .scenario-item p {
            font-size: 0.85rem;
            color: var(--text-secondary);
            margin: 0;
        }

        .scenario-img-wrap {
            border-radius: var(--radius-md);
            overflow: hidden;
            height: 100%;
            min-height: 280px;
            background: var(--bg-soft);
        }

        .scenario-img-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        /* ===== 资讯列表 ===== */
        .news-card {
            display: flex;
            gap: 16px;
            background: var(--bg-surface);
            border-radius: var(--radius-md);
            padding: 16px;
            box-shadow: var(--shadow-card);
            transition: transform 0.25s ease, box-shadow 0.25s ease, background 0.25s ease;
            margin-bottom: 16px;
            border: 1px solid transparent;
        }

        .news-card:hover {
            transform: translateY(-3px);
            box-shadow: var(--shadow-card-hover);
            background: #FAF8FD;
            border-color: rgba(109, 40, 217, 0.1);
        }

        .news-thumb {
            width: 150px;
            min-width: 150px;
            height: 100px;
            border-radius: var(--radius-sm);
            overflow: hidden;
            background: var(--bg-soft);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.2rem;
            font-weight: 700;
            color: var(--brand-primary);
        }

        .news-thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        .news-content {
            flex: 1;
            min-width: 0;
        }

        .news-content h3 {
            font-size: 1.05rem;
            font-weight: 700;
            margin-bottom: 6px;
            overflow: hidden;
            text-overflow: ellipsis;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
        }

        .news-content p {
            font-size: 0.875rem;
            color: var(--text-secondary);
            overflow: hidden;
            text-overflow: ellipsis;
            white-space: nowrap;
            margin-bottom: 8px;
        }

        .news-meta {
            display: flex;
            align-items: center;
            gap: 12px;
            font-size: 0.8rem;
            color: var(--text-secondary);
        }

        .news-tag {
            display: inline-block;
            padding: 2px 12px;
            background: var(--bg-soft);
            border-radius: var(--radius-pill);
            color: var(--brand-primary);
            font-weight: 600;
            font-size: 0.75rem;
        }

        .news-empty {
            border: 2px dashed var(--border-subtle);
            border-radius: var(--radius-lg);
            padding: 48px;
            text-align: center;
            color: var(--text-secondary);
            background: var(--bg-surface);
        }

        .news-empty i {
            font-size: 2.5rem;
            display: block;
            margin-bottom: 12px;
            color: #C4B8D8;
        }

        /* ===== 案例区 ===== */
        .case-section {
            background: linear-gradient(135deg, var(--brand-deep), var(--brand-deep-2));
            border-radius: var(--radius-lg);
            padding: 64px 48px;
            color: #fff;
            margin: 40px 0;
        }

        .case-section .section-title,
        .case-section .section-subtitle {
            color: #fff;
        }

        .case-section .section-subtitle {
            color: var(--text-muted-on-dark);
        }

        .case-card {
            background: rgba(255, 255, 255, 0.08);
            border: 1px solid rgba(255, 255, 255, 0.12);
            border-radius: var(--radius-md);
            padding: 24px;
            transition: background 0.25s ease, transform 0.25s ease;
            height: 100%;
        }

        .case-card:hover {
            background: rgba(255, 255, 255, 0.14);
            transform: translateY(-3px);
        }

        .case-logo {
            width: 180px;
            max-width: 100%;
            height: 70px;
            background: rgba(255, 255, 255, 0.15);
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 1rem;
            color: rgba(255, 255, 255, 0.85);
            margin-bottom: 16px;
        }

        .case-card h4 {
            font-size: 1rem;
            font-weight: 700;
            margin-bottom: 8px;
        }

        .case-card p {
            font-size: 0.85rem;
            color: var(--text-muted-on-dark);
            margin-bottom: 12px;
            line-height: 1.6;
        }

        .case-stat {
            display: flex;
            align-items: baseline;
            gap: 4px;
            font-size: 1.4rem;
            font-weight: 800;
            color: var(--accent-start);
        }

        .case-stat span {
            font-size: 0.8rem;
            font-weight: 400;
            color: var(--text-muted-on-dark);
        }

        .case-stats-row {
            display: flex;
            gap: 40px;
            margin-top: 40px;
            padding-top: 32px;
            border-top: 1px solid rgba(255, 255, 255, 0.12);
            flex-wrap: wrap;
        }

        .case-big-stat {
            font-size: clamp(1.8rem, 3vw, 2.5rem);
            font-weight: 800;
            color: #fff;
            line-height: 1.2;
        }

        .case-big-label {
            font-size: 0.875rem;
            color: var(--text-muted-on-dark);
        }

        /* ===== 价格卡 ===== */
        .pricing-card {
            background: var(--bg-surface);
            border-radius: var(--radius-lg);
            padding: 32px;
            box-shadow: var(--shadow-card);
            transition: transform 0.25s ease, box-shadow 0.25s ease;
            height: 100%;
            position: relative;
            border: 1px solid transparent;
        }

        .pricing-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-card-hover);
        }

        .pricing-card.recommended {
            border: 2px solid rgba(109, 40, 217, 0.3);
        }

        .pricing-badge {
            position: absolute;
            top: -12px;
            left: 50%;
            transform: translateX(-50%);
            background: var(--gradient-accent);
            color: var(--brand-deep);
            font-size: 0.75rem;
            font-weight: 700;
            padding: 4px 16px;
            border-radius: var(--radius-pill);
            white-space: nowrap;
        }

        .pricing-card h3 {
            font-size: 1.1rem;
            font-weight: 700;
            margin-bottom: 8px;
        }

        .pricing-desc {
            font-size: 0.85rem;
            color: var(--text-secondary);
            margin-bottom: 16px;
        }

        .pricing-price {
            font-size: clamp(2rem, 4vw, 2.8rem);
            font-weight: 800;
            color: var(--text-primary);
            line-height: 1.2;
            margin-bottom: 20px;
        }

        .pricing-price small {
            font-size: 0.9rem;
            font-weight: 400;
            color: var(--text-secondary);
        }

        .pricing-list {
            list-style: none;
            padding: 0;
            margin: 0 0 24px;
        }

        .pricing-list li {
            display: flex;
            align-items: center;
            gap: 8px;
            padding: 6px 0;
            font-size: 0.9rem;
            color: var(--text-primary);
            border-bottom: 1px solid var(--border-subtle);
        }

        .pricing-list li:last-child {
            border-bottom: none;
        }

        .pricing-list li i {
            color: var(--brand-primary);
            font-size: 1rem;
        }

        .btn-pricing {
            display: block;
            width: 100%;
            padding: 11px 20px;
            border: none;
            border-radius: 12px;
            font-weight: 600;
            font-size: 0.9rem;
            cursor: pointer;
            transition: transform 0.25s ease, box-shadow 0.25s ease;
            text-align: center;
            background: var(--gradient-brand);
            color: #fff;
        }

        .btn-pricing:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(109, 40, 217, 0.25);
        }

        .btn-pricing.recommended-btn {
            background: var(--gradient-accent);
            color: var(--brand-deep);
            font-weight: 700;
        }

        .btn-pricing.recommended-btn:hover {
            box-shadow: 0 8px 24px rgba(14, 165, 233, 0.3);
        }

        .btn-pricing:focus-visible {
            outline: 2px solid var(--brand-primary);
            outline-offset: 2px;
        }

        /* ===== FAQ ===== */
        .faq-card {
            background: var(--bg-surface);
            border-radius: var(--radius-lg);
            padding: 32px;
            box-shadow: var(--shadow-card);
        }

        .faq-item {
            border-bottom: 1px solid var(--border-subtle);
            padding: 20px 0;
        }

        .faq-item:last-child {
            border-bottom: none;
        }

        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            cursor: pointer;
            background: none;
            border: none;
            width: 100%;
            text-align: left;
            padding: 0;
            font-size: 1rem;
            font-weight: 600;
            color: var(--text-primary);
        }

        .faq-question h3 {
            font-size: 1rem;
            font-weight: 600;
            margin: 0;
        }

        .faq-icon {
            font-size: 1.2rem;
            color: #A99DBC;
            transition: transform 0.3s ease, color 0.3s ease;
            flex-shrink: 0;
        }

        .faq-question[aria-expanded="true"] .faq-icon {
            transform: rotate(45deg);
            color: var(--brand-primary);
        }

        .faq-answer {
            color: var(--text-secondary);
            font-size: 0.9rem;
            line-height: 1.7;
            padding-top: 12px;
        }

        /* ===== 最终CTA ===== */
        .final-cta {
            background: var(--gradient-cta);
            border-radius: var(--radius-lg);
            padding: 64px 48px;
            text-align: center;
            color: #fff;
            position: relative;
            overflow: hidden;
            margin: 40px 0;
        }

        .final-cta::before {
            content: '';
            position: absolute;
            top: -40px;
            right: -40px;
            width: 180px;
            height: 180px;
            border: 3px solid rgba(255, 255, 255, 0.15);
            border-radius: 50%;
        }

        .final-cta::after {
            content: '';
            position: absolute;
            bottom: -60px;
            left: -60px;
            width: 240px;
            height: 240px;
            border: 3px solid rgba(255, 255, 255, 0.1);
            border-radius: 50%;
        }

        .final-cta h2 {
            font-size: clamp(1.8rem, 3.5vw, 2.6rem);
            font-weight: 800;
            margin-bottom: 12px;
            position: relative;
            z-index: 1;
        }

        .final-cta p {
            font-size: 1.05rem;
            color: rgba(255, 255, 255, 0.85);
            margin-bottom: 28px;
            position: relative;
            z-index: 1;
        }

        .btn-final-cta {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: #fff;
            color: var(--brand-primary);
            border: none;
            padding: 14px 36px;
            border-radius: 12px;
            font-weight: 700;
            font-size: 1rem;
            cursor: pointer;
            transition: transform 0.25s ease, box-shadow 0.25s ease;
            position: relative;
            z-index: 1;
        }

        .btn-final-cta:hover {
            transform: translateY(-3px);
            box-shadow: 0 12px 32px rgba(0, 0, 0, 0.2);
        }

        .btn-final-cta:focus-visible {
            outline: 2px solid var(--brand-deep);
            outline-offset: 2px;
        }

        /* ===== 页脚 ===== */
        .site-footer {
            background: #17142A;
            color: rgba(255, 255, 255, 0.7);
            padding: 64px 0 0;
            margin-top: 40px;
        }

        .footer-brand-text {
            font-size: 0.95rem;
            color: rgba(255, 255, 255, 0.6);
            line-height: 1.7;
            margin-top: 12px;
        }

        .footer-title {
            font-size: 0.95rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 16px;
        }

        .footer-links {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .footer-links li {
            margin-bottom: 10px;
        }

        .footer-links a {
            color: rgba(255, 255, 255, 0.6);
            font-size: 0.9rem;
            transition: color 0.25s ease;
        }

        .footer-links a:hover {
            color: #fff;
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding: 24px 0;
            margin-top: 48px;
            text-align: center;
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.5);
        }

        /* ===== 响应式 ===== */
        @media (max-width: 1199.98px) {
            .sidebar {
                width: 64px;
            }

            .sidebar .logo-text,
            .sidebar .nav-text,
            .sidebar .sidebar-cta-btn {
                display: none;
            }

            .sidebar-logo {
                justify-content: center;
                padding: 0;
            }

            .nav-item-custom {
                justify-content: center;
                padding: 0;
            }

            .nav-item-custom i {
                font-size: 1.3rem;
                min-width: 0;
            }

            .main-content {
                margin-left: 64px;
            }

            .sidebar-bottom {
                padding: 8px;
            }
        }

        @media (max-width: 991.98px) {
            .sidebar {
                display: none;
            }

            .mobile-header {
                display: flex;
            }

            .main-content {
                margin-left: 0;
            }

            .section-block {
                padding: 48px 0;
            }

            .hero-card {
                padding: 40px 24px;
                min-height: auto;
            }

            .hero-visual {
                margin-top: 32px;
                align-items: flex-start;
            }

            .scenario-section {
                padding: 24px;
            }

            .case-section {
                padding: 40px 24px;
            }

            .final-cta {
                padding: 48px 24px;
            }

            .site-footer {
                padding-top: 40px;
            }
        }

        @media (max-width: 767.98px) {
            .page-container {
                padding: 0 16px;
            }

            .hero-card {
                flex-direction: column;
                padding: 32px 20px;
                border-radius: 16px;
            }

            .hero-title {
                font-size: 1.8rem;
            }

            .hero-subtitle {
                font-size: 0.95rem;
            }

            .hero-btns {
                flex-direction: column;
                align-items: stretch;
            }

            .btn-hero-primary,
            .btn-hero-outline {
                justify-content: center;
            }

            .hero-visual {
                align-items: stretch;
            }

            .hero-stat-card {
                min-width: auto;
            }

            .news-card {
                flex-direction: column;
                padding: 12px;
            }

            .news-thumb {
                width: 100%;
                min-width: 0;
                height: 140px;
            }

            .scenario-section {
                padding: 16px;
            }

            .case-section {
                padding: 32px 16px;
            }

            .case-stats-row {
                gap: 20px;
            }

            .footer-bottom {
                padding: 16px;
            }
        }

        @media (max-width: 520px) {
            .hero-card {
                padding: 24px 16px;
            }

            .phone-logo-text {
                font-size: 0.9rem;
            }

            .scenario-img-wrap {
                min-height: 200px;
            }

            .final-cta {
                padding: 40px 16px;
            }
        }

/* roulang page: category1 */
:root {
            --brand-primary: #6D28D9;
            --brand-primary-rgb: 109, 40, 217;
            --brand-deep: #1B1428;
            --brand-deep-2: #2D1B4E;
            --accent-start: #0EA5E9;
            --accent-end: #2DD4BF;
            --gradient-brand: linear-gradient(135deg, #6D28D9, #4F46E5);
            --gradient-hero: linear-gradient(135deg, #1B1428 0%, #2D1B4E 45%, #6D28D9 100%);
            --gradient-accent: linear-gradient(135deg, #0EA5E9, #2DD4BF);
            --gradient-cta: linear-gradient(135deg, #6D28D9, #0EA5E9);
            --bg-page: #F5F3FA;
            --bg-surface: #FFFFFF;
            --bg-soft: #ECE8F4;
            --text-primary: #17142A;
            --text-secondary: #5B5770;
            --text-on-dark: #FFFFFF;
            --text-muted-on-dark: rgba(255, 255, 255, 0.72);
            --border-subtle: rgba(27, 20, 40, 0.08);
            --shadow-card: 0 4px 16px rgba(27, 20, 40, 0.06);
            --shadow-card-hover: 0 12px 32px rgba(109, 40, 217, 0.14);
            --radius-sm: 8px;
            --radius-md: 16px;
            --radius-lg: 24px;
            --radius-pill: 999px;
        }
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", "Helvetica Neue", Arial, sans-serif;
            background: var(--bg-page);
            color: var(--text-primary);
            line-height: 1.75;
            -webkit-font-smoothing: antialiased;
        }
        img {
            max-width: 100%;
            display: block;
        }
        a {
            color: inherit;
            text-decoration: none;
            transition: color .2s ease, background-color .2s ease, border-color .2s ease, box-shadow .2s ease, transform .2s ease;
        }
        button {
            background: none;
            border: none;
            padding: 0;
            transition: all .2s ease;
        }
        ul,
        ol {
            list-style: none;
        }
        .page-container {
            max-width: 1240px;
            margin: 0 auto;
            padding-left: 24px;
            padding-right: 24px;
        }
        /* ===== Sidebar ===== */
        .app-sidebar {
            position: fixed;
            left: 0;
            top: 0;
            bottom: 0;
            width: 260px;
            background: linear-gradient(180deg, var(--brand-deep), var(--brand-deep-2));
            z-index: 1040;
            display: flex;
            flex-direction: column;
            padding: 0 16px 24px;
        }
        .sidebar-brand {
            height: 72px;
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 0 8px;
            flex-shrink: 0;
        }
        .logo-mark {
            width: 44px;
            height: 44px;
            border-radius: 12px;
            background: var(--gradient-brand);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 1.3rem;
            font-weight: 800;
            flex-shrink: 0;
            box-shadow: 0 4px 14px rgba(109, 40, 217, 0.35);
        }
        .logo-text {
            color: var(--text-on-dark);
            font-size: 1.1rem;
            font-weight: 800;
            letter-spacing: 1px;
            white-space: nowrap;
        }
        .sidebar-nav {
            margin-top: 12px;
            flex: 1;
            display: flex;
            flex-direction: column;
            gap: 4px;
        }
        .nav-item-custom {
            display: flex;
            align-items: center;
            gap: 12px;
            height: 46px;
            padding: 0 14px;
            border-radius: 12px;
            color: rgba(255, 255, 255, 0.7);
            font-size: 0.95rem;
            font-weight: 500;
            position: relative;
            transition: background-color .25s ease, color .25s ease;
        }
        .nav-item-custom i {
            font-size: 1.15rem;
            width: 22px;
            text-align: center;
            flex-shrink: 0;
        }
        .nav-item-custom:hover {
            background: rgba(255, 255, 255, 0.08);
            color: #fff;
        }
        .nav-item-custom.active {
            background: rgba(255, 255, 255, 0.12);
            color: #fff;
            font-weight: 600;
        }
        .nav-item-custom.active::before {
            content: '';
            position: absolute;
            left: -16px;
            top: 10px;
            bottom: 10px;
            width: 4px;
            border-radius: 0 6px 6px 0;
            background: var(--gradient-accent);
        }
        .nav-item-custom:focus-visible {
            outline: 2px solid var(--accent-start);
            outline-offset: 2px;
        }
        .sidebar-cta {
            padding-top: 16px;
            flex-shrink: 0;
        }
        .sidebar-cta-btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 100%;
            padding: 12px 16px;
            border-radius: 12px;
            background: var(--gradient-accent);
            color: var(--brand-deep);
            font-weight: 700;
            font-size: 0.95rem;
            transition: opacity .25s ease, transform .25s ease, box-shadow .25s ease;
            box-shadow: 0 4px 16px rgba(14, 165, 233, 0.25);
        }
        .sidebar-cta-btn:hover {
            opacity: 0.92;
            transform: translateY(-2px);
            box-shadow: 0 8px 22px rgba(14, 165, 233, 0.35);
        }
        .sidebar-cta-btn:focus-visible {
            outline: 2px solid #fff;
            outline-offset: 2px;
        }
        /* ===== Main Content ===== */
        .main-content {
            margin-left: 260px;
            min-height: 100vh;
            display: flex;
            flex-direction: column;
        }
        /* ===== Mobile Topbar ===== */
        .mobile-topbar {
            display: none;
            position: sticky;
            top: 0;
            left: 0;
            right: 0;
            height: 64px;
            background: var(--bg-surface);
            border-bottom: 1px solid var(--border-subtle);
            z-index: 1030;
            align-items: center;
            justify-content: space-between;
            padding: 0 16px;
        }
        .topbar-brand {
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .topbar-brand .logo-mark {
            width: 38px;
            height: 38px;
            font-size: 1.1rem;
            border-radius: 10px;
        }
        .topbar-brand .logo-text {
            color: var(--text-primary);
            font-weight: 800;
            font-size: 1.05rem;
        }
        .hamburger-btn {
            width: 44px;
            height: 44px;
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            background: var(--bg-soft);
            color: var(--text-primary);
            font-size: 1.4rem;
        }
        .hamburger-btn:hover {
            background: var(--brand-primary);
            color: #fff;
        }
        .hamburger-btn:focus-visible {
            outline: 2px solid var(--brand-primary);
            outline-offset: 2px;
        }
        /* ===== Drawer ===== */
        .drawer-overlay {
            display: none;
            position: fixed;
            inset: 0;
            background: rgba(27, 20, 40, 0.5);
            z-index: 1045;
        }
        .drawer-overlay.show {
            display: block;
        }
        .mobile-drawer {
            position: fixed;
            top: 0;
            left: 0;
            bottom: 0;
            width: 280px;
            background: linear-gradient(180deg, var(--brand-deep), var(--brand-deep-2));
            z-index: 1050;
            transform: translateX(-100%);
            transition: transform .3s ease;
            padding: 16px;
            display: flex;
            flex-direction: column;
        }
        .mobile-drawer.open {
            transform: translateX(0);
        }
        .drawer-close {
            position: absolute;
            top: 16px;
            right: 16px;
            width: 36px;
            height: 36px;
            border-radius: 8px;
            display: flex;
            align-items: center;
            justify-content: center;
            background: rgba(255, 255, 255, 0.1);
            color: #fff;
            font-size: 1.2rem;
        }
        .drawer-close:hover {
            background: rgba(255, 255, 255, 0.2);
        }
        .mobile-drawer .sidebar-brand {
            padding: 16px 0 8px;
        }
        .mobile-drawer .sidebar-nav {
            margin-top: 8px;
        }
        .mobile-drawer .nav-item-custom::before {
            left: -16px;
        }
        /* ===== Page Banner ===== */
        .page-banner {
            position: relative;
            padding: 64px 0 72px;
            background: var(--gradient-hero);
            overflow: hidden;
        }
        .page-banner::before {
            content: '';
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/backpic/back-1.png');
            background-size: cover;
            background-position: center;
            opacity: 0.2;
            pointer-events: none;
        }
        .page-banner::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(90deg, rgba(27, 20, 40, 0.7), rgba(45, 27, 78, 0.45));
            pointer-events: none;
        }
        .page-banner .page-container {
            position: relative;
            z-index: 1;
        }
        .breadcrumb-custom {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 0.88rem;
            color: var(--text-muted-on-dark);
            margin-bottom: 20px;
            flex-wrap: wrap;
        }
        .breadcrumb-custom a {
            color: var(--text-muted-on-dark);
        }
        .breadcrumb-custom a:hover {
            color: #fff;
        }
        .breadcrumb-custom .sep {
            opacity: 0.5;
        }
        .breadcrumb-custom .current {
            color: #fff;
        }
        .page-banner h1 {
            color: var(--text-on-dark);
            font-size: clamp(2rem, 3.5vw, 2.8rem);
            font-weight: 800;
            line-height: 1.25;
            margin-bottom: 16px;
        }
        .page-banner .banner-desc {
            color: var(--text-muted-on-dark);
            font-size: 1rem;
            max-width: 640px;
            line-height: 1.75;
            margin-bottom: 0;
        }
        /* ===== Section ===== */
        .section-block {
            padding: 72px 0;
        }
        .section-header {
            margin-bottom: 36px;
        }
        .section-header h2 {
            font-size: clamp(1.5rem, 2.6vw, 2rem);
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 8px;
        }
        .section-header p {
            color: var(--text-secondary);
            font-size: 0.95rem;
            max-width: 560px;
        }
        /* ===== Focus Cards ===== */
        .focus-card {
            background: var(--bg-surface);
            border-radius: var(--radius-lg);
            padding: 32px 28px;
            box-shadow: var(--shadow-card);
            height: 100%;
            transition: transform .3s ease, box-shadow .3s ease;
        }
        .focus-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-card-hover);
        }
        .focus-card .focus-icon {
            width: 52px;
            height: 52px;
            border-radius: 50%;
            background: var(--gradient-brand);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 1.4rem;
            margin-bottom: 18px;
        }
        .focus-card .focus-tag {
            display: inline-block;
            font-size: 0.78rem;
            font-weight: 600;
            color: var(--brand-primary);
            background: var(--bg-soft);
            padding: 4px 12px;
            border-radius: var(--radius-pill);
            margin-bottom: 12px;
        }
        .focus-card h3 {
            font-size: 1.15rem;
            font-weight: 700;
            margin-bottom: 10px;
            line-height: 1.4;
        }
        .focus-card p {
            font-size: 0.9rem;
            color: var(--text-secondary);
            line-height: 1.7;
            margin-bottom: 0;
        }
        /* ===== News Horizontal List ===== */
        .news-list-wrapper {
            display: flex;
            flex-direction: column;
            gap: 18px;
        }
        .news-horizontal-item {
            display: flex;
            align-items: flex-start;
            gap: 24px;
            background: var(--bg-surface);
            border-radius: var(--radius-md);
            padding: 20px;
            box-shadow: var(--shadow-card);
            transition: transform .25s ease, box-shadow .25s ease;
        }
        .news-horizontal-item:hover {
            transform: translateY(-2px);
            box-shadow: var(--shadow-card-hover);
        }
        .news-thumb-wrap {
            flex-shrink: 0;
            width: 200px;
            height: 132px;
            border-radius: 12px;
            overflow: hidden;
            background: var(--bg-soft);
        }
        .news-thumb-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform .3s ease;
        }
        .news-thumb-wrap:hover img {
            transform: scale(1.05);
        }
        .news-content {
            flex: 1;
            min-width: 0;
        }
        .news-meta {
            display: flex;
            align-items: center;
            gap: 12px;
            margin-bottom: 8px;
            flex-wrap: wrap;
        }
        .news-tag {
            display: inline-block;
            font-size: 0.78rem;
            font-weight: 600;
            color: var(--brand-primary);
            background: var(--bg-soft);
            padding: 3px 12px;
            border-radius: var(--radius-pill);
        }
        .news-date {
            font-size: 0.82rem;
            color: var(--text-secondary);
        }
        .news-content h3 {
            font-size: 1.1rem;
            font-weight: 700;
            line-height: 1.45;
            margin-bottom: 6px;
        }
        .news-content h3 a {
            color: var(--text-primary);
        }
        .news-content h3 a:hover {
            color: var(--brand-primary);
        }
        .news-content p {
            font-size: 0.9rem;
            color: var(--text-secondary);
            line-height: 1.7;
            margin-bottom: 10px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .news-link {
            font-size: 0.88rem;
            font-weight: 600;
            color: var(--brand-primary);
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }
        .news-link i {
            transition: transform .2s ease;
        }
        .news-link:hover {
            color: var(--brand-deep);
        }
        .news-link:hover i {
            transform: translateX(4px);
        }
        /* ===== Stats ===== */
        .stats-section {
            padding: 60px 0;
        }
        .stats-row {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }
        .stat-badge {
            background: var(--bg-surface);
            border-radius: var(--radius-lg);
            padding: 28px 20px;
            text-align: center;
            box-shadow: var(--shadow-card);
            transition: transform .3s ease, box-shadow .3s ease;
        }
        .stat-badge:hover {
            transform: translateY(-3px);
            box-shadow: var(--shadow-card-hover);
        }
        .stat-number {
            font-size: clamp(1.8rem, 3vw, 2.4rem);
            font-weight: 800;
            color: var(--brand-primary);
            line-height: 1.2;
        }
        .stat-label {
            font-size: 0.88rem;
            color: var(--text-secondary);
            margin-top: 8px;
        }
        /* ===== FAQ ===== */
        .faq-section {
            background: var(--bg-surface);
            padding: 72px 0;
            border-radius: var(--radius-lg) var(--radius-lg) 0 0;
        }
        .custom-accordion .accordion-item {
            background: transparent;
            border: none;
            border-bottom: 1px solid var(--border-subtle);
            border-radius: 0;
        }
        .custom-accordion .accordion-button {
            background: transparent;
            box-shadow: none;
            padding: 20px 4px;
            font-size: 1.02rem;
            font-weight: 700;
            color: var(--text-primary);
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 16px;
            border-radius: 0;
        }
        .custom-accordion .accordion-button::after {
            background-image: none !important;
            content: '+';
            font-size: 1.5rem;
            font-weight: 400;
            color: var(--text-secondary);
            display: flex;
            align-items: center;
            justify-content: center;
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: var(--bg-soft);
            transition: transform .3s ease, background-color .3s ease, color .3s ease;
            flex-shrink: 0;
        }
        .custom-accordion .accordion-button:not(.collapsed)::after {
            transform: rotate(45deg);
            background: var(--brand-primary);
            color: #fff;
        }
        .custom-accordion .accordion-button:not(.collapsed),
        .custom-accordion .accordion-button:hover {
            color: var(--brand-primary);
        }
        .custom-accordion .accordion-button:focus-visible {
            outline: 2px solid var(--brand-primary);
            outline-offset: 2px;
            box-shadow: none;
        }
        .custom-accordion .accordion-body {
            padding: 0 24px 20px 4px;
            font-size: 0.92rem;
            color: var(--text-secondary);
            line-height: 1.75;
        }
        /* ===== CTA ===== */
        .cta-section {
            padding: 64px 0 72px;
        }
        .cta-card {
            position: relative;
            background: var(--gradient-cta);
            border-radius: var(--radius-lg);
            padding: 56px 48px;
            text-align: center;
            overflow: hidden;
        }
        .cta-card::before,
        .cta-card::after {
            content: '';
            position: absolute;
            border-radius: 50%;
            border: 2px solid rgba(255, 255, 255, 0.2);
            pointer-events: none;
        }
        .cta-card::before {
            width: 180px;
            height: 180px;
            top: -60px;
            right: -40px;
        }
        .cta-card::after {
            width: 240px;
            height: 240px;
            bottom: -100px;
            left: -60px;
        }
        .cta-card h2 {
            position: relative;
            z-index: 1;
            color: #fff;
            font-size: clamp(1.6rem, 3vw, 2.2rem);
            font-weight: 800;
            margin-bottom: 12px;
        }
        .cta-card p {
            position: relative;
            z-index: 1;
            color: rgba(255, 255, 255, 0.9);
            font-size: 1rem;
            margin-bottom: 24px;
        }
        .btn-cta-white {
            position: relative;
            z-index: 1;
            display: inline-block;
            padding: 14px 36px;
            border-radius: 12px;
            background: #fff;
            color: var(--brand-primary);
            font-weight: 700;
            font-size: 0.98rem;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
            transition: transform .25s ease, box-shadow .25s ease, background-color .25s ease;
        }
        .btn-cta-white:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 28px rgba(0, 0, 0, 0.22);
            background: var(--bg-soft);
        }
        .btn-cta-white:focus-visible {
            outline: 3px solid rgba(255, 255, 255, 0.6);
            outline-offset: 2px;
        }
        /* ===== Footer ===== */
        .site-footer {
            background: #17142A;
            color: rgba(255, 255, 255, 0.7);
            padding: 48px 0 20px;
            margin-top: auto;
        }
        .footer-brand-text {
            font-size: 0.9rem;
            line-height: 1.7;
            color: rgba(255, 255, 255, 0.6);
            margin-top: 10px;
            max-width: 340px;
        }
        .footer-title {
            font-size: 1rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 16px;
        }
        .footer-links {
            padding: 0;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }
        .footer-links a {
            font-size: 0.9rem;
            color: rgba(255, 255, 255, 0.65);
        }
        .footer-links a:hover {
            color: #fff;
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            margin-top: 32px;
            padding-top: 20px;
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.45);
        }
        /* ===== Responsive ===== */
        @media (max-width: 1199.98px) {
            .app-sidebar {
                width: 72px;
                padding: 0 10px 20px;
            }
            .sidebar-brand {
                justify-content: center;
                padding: 0;
            }
            .sidebar-brand .logo-text {
                display: none;
            }
            .nav-item-custom {
                justify-content: center;
                padding: 0;
            }
            .nav-item-custom .nav-text {
                display: none;
            }
            .nav-item-custom.active::before {
                left: -10px;
            }
            .sidebar-cta-btn {
                font-size: 1.2rem;
                padding: 12px 0;
            }
            .sidebar-cta-btn span {
                display: none;
            }
            .main-content {
                margin-left: 72px;
            }
        }
        @media (max-width: 991.98px) {
            .app-sidebar {
                display: none;
            }
            .main-content {
                margin-left: 0;
            }
            .mobile-topbar {
                display: flex;
            }
            .section-block {
                padding: 52px 0;
            }
            .page-banner {
                padding: 48px 0 56px;
            }
            .stats-row {
                grid-template-columns: repeat(2, 1fr);
                gap: 16px;
            }
        }
        @media (max-width: 767px) {
            .page-container {
                padding-left: 16px;
                padding-right: 16px;
            }
            .news-horizontal-item {
                flex-direction: column;
                gap: 14px;
            }
            .news-thumb-wrap {
                width: 100%;
                height: 180px;
            }
            .cta-card {
                padding: 36px 24px;
            }
            .focus-card {
                padding: 24px 20px;
            }
            .stats-row {
                grid-template-columns: repeat(2, 1fr);
            }
            .section-block {
                padding: 44px 0;
            }
            .footer-bottom {
                text-align: center;
            }
        }
        @media (max-width: 480px) {
            .page-banner h1 {
                font-size: 1.6rem;
            }
            .banner-desc {
                font-size: 0.9rem;
            }
            .stats-row {
                grid-template-columns: 1fr 1fr;
                gap: 12px;
            }
            .stat-badge {
                padding: 20px 12px;
            }
            .stat-number {
                font-size: 1.6rem;
            }
        }

/* roulang page: article */
:root {
            --brand-primary: #6D28D9;
            --brand-primary-rgb: 109, 40, 217;
            --brand-deep: #1B1428;
            --brand-deep-2: #2D1B4E;
            --accent-start: #0EA5E9;
            --accent-end: #2DD4BF;
            --gradient-brand: linear-gradient(135deg, #6D28D9, #4F46E5);
            --gradient-hero: linear-gradient(135deg, #1B1428 0%, #2D1B4E 45%, #6D28D9 100%);
            --gradient-accent: linear-gradient(135deg, #0EA5E9, #2DD4BF);
            --gradient-cta: linear-gradient(135deg, #6D28D9, #0EA5E9);
            --bg-page: #F5F3FA;
            --bg-surface: #FFFFFF;
            --bg-soft: #ECE8F4;
            --text-primary: #17142A;
            --text-secondary: #5B5770;
            --text-on-dark: #FFFFFF;
            --text-muted-on-dark: rgba(255, 255, 255, 0.72);
            --border-subtle: rgba(27, 20, 40, 0.08);
            --shadow-card: 0 4px 16px rgba(27, 20, 40, 0.06);
            --shadow-card-hover: 0 12px 32px rgba(109, 40, 217, 0.14);
            --radius-sm: 8px;
            --radius-md: 16px;
            --radius-lg: 24px;
            --radius-pill: 999px;
        }

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

        body {
            margin: 0;
            font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", "Helvetica Neue", Arial, sans-serif;
            font-size: 1rem;
            line-height: 1.75;
            background-color: var(--bg-page);
            color: var(--text-primary);
            overflow-x: hidden;
        }

        img { max-width: 100%; height: auto; }
        a { color: var(--brand-primary); transition: color 0.2s; }
        a:hover { color: #4F46E5; }

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

        .page-content {
            padding-top: 36px;
            padding-bottom: 56px;
        }

        .content-card {
            background: var(--bg-surface);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-card);
            padding: 36px;
        }

        /* ============ Left Sidebar Shell ============ */
        .app-sidebar {
            position: fixed;
            left: 0;
            top: 0;
            width: 260px;
            height: 100vh;
            background: linear-gradient(180deg, #1B1428, #2D1B4E);
            z-index: 1040;
            display: flex;
            flex-direction: column;
            padding: 12px 0;
        }

        .sidebar-logo {
            height: 64px;
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 0 20px;
            flex-shrink: 0;
        }

        .logo-mark {
            width: 40px;
            height: 40px;
            border-radius: 12px;
            background: linear-gradient(135deg, #6D28D9, #4F46E5);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-weight: 800;
            font-size: 18px;
            flex-shrink: 0;
        }

        .logo-text {
            color: #fff;
            font-size: 1.1rem;
            font-weight: 800;
            letter-spacing: 1px;
            white-space: nowrap;
        }

        .sidebar-nav {
            flex: 1;
            padding: 8px 12px;
            display: flex;
            flex-direction: column;
            gap: 4px;
            overflow-y: auto;
        }

        .nav-item-custom {
            display: flex;
            align-items: center;
            gap: 12px;
            height: 44px;
            padding: 0 14px;
            border-radius: 12px;
            color: rgba(255, 255, 255, 0.7);
            text-decoration: none;
            font-size: 0.95rem;
            transition: all 0.25s ease;
            white-space: nowrap;
        }

        .nav-item-custom:hover {
            background: rgba(255, 255, 255, 0.08);
            color: #fff;
            text-decoration: none;
        }

        .nav-item-custom:hover i {
            color: #fff;
        }

        .nav-item-custom i {
            font-size: 1.2rem;
            color: rgba(255, 255, 255, 0.7);
            transition: color 0.2s;
            width: 24px;
            text-align: center;
            flex-shrink: 0;
        }

        .nav-item-custom.active {
            background: rgba(255, 255, 255, 0.12);
            color: #fff;
            font-weight: 600;
        }

        @media (min-width: 1200px) {
            .nav-item-custom.active {
                position: relative;
            }
            .nav-item-custom.active::before {
                content: '';
                position: absolute;
                left: -12px;
                top: 50%;
                transform: translateY(-50%);
                width: 4px;
                height: 20px;
                border-radius: 0 4px 4px 0;
                background: linear-gradient(135deg, #0EA5E9, #2DD4BF);
            }
        }

        .sidebar-cta {
            padding: 16px;
            flex-shrink: 0;
        }

        .btn-sidebar-cta {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            width: 100%;
            background: linear-gradient(135deg, #0EA5E9, #2DD4BF);
            color: #1B1428;
            font-weight: 700;
            font-size: 0.9rem;
            border-radius: 12px;
            padding: 12px 16px;
            text-decoration: none;
            border: none;
            cursor: pointer;
            transition: all 0.25s ease;
        }

        .btn-sidebar-cta:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(45, 212, 191, 0.3);
            color: #1B1428;
        }

        /* ============ Mobile Header ============ */
        .mobile-header {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            height: 64px;
            background: #fff;
            z-index: 1030;
            padding: 0 16px;
            align-items: center;
            justify-content: space-between;
            border-bottom: 1px solid var(--border-subtle);
            box-shadow: 0 2px 12px rgba(27, 20, 40, 0.08);
        }

        .mobile-logo {
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .mobile-menu-toggle {
            background: var(--bg-soft);
            border: none;
            width: 42px;
            height: 42px;
            border-radius: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.3rem;
            color: var(--brand-primary);
            cursor: pointer;
            transition: all 0.2s;
        }

        .mobile-menu-toggle:hover {
            background: #ddd6ea;
        }

        /* ============ Drawer Menu ============ */
        .drawer-overlay {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: rgba(27, 20, 40, 0.55);
            z-index: 1045;
            display: none;
            backdrop-filter: blur(2px);
        }

        .drawer-overlay.open {
            display: block;
        }

        .drawer-menu {
            position: fixed;
            top: 0;
            left: 0;
            width: 280px;
            height: 100vh;
            background: linear-gradient(180deg, #1B1428, #2D1B4E);
            z-index: 1050;
            transform: translateX(-100%);
            transition: transform 0.3s ease;
            display: flex;
            flex-direction: column;
            padding: 20px 16px;
        }

        .drawer-menu.open {
            transform: translateX(0);
        }

        .drawer-header {
            display: flex;
            align-items: center;
            justify-content: space-between;
            margin-bottom: 24px;
        }

        .drawer-close {
            background: rgba(255, 255, 255, 0.12);
            border: none;
            color: #fff;
            width: 36px;
            height: 36px;
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            cursor: pointer;
            transition: background 0.2s;
        }

        .drawer-close:hover {
            background: rgba(255, 255, 255, 0.24);
        }

        .drawer-nav {
            display: flex;
            flex-direction: column;
            gap: 4px;
            flex: 1;
        }

        .drawer-cta {
            padding: 16px 0 8px;
        }

        /* ============ Main Layout ============ */
        .app-main {
            margin-left: 260px;
            min-height: calc(100vh - 200px);
        }

        /* ============ Article Box ============ */
        .article-box {
            padding: 44px 48px;
        }

        .breadcrumb-custom {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 8px;
            margin-bottom: 24px;
            font-size: 0.875rem;
            color: var(--text-secondary);
        }

        .breadcrumb-custom a {
            color: var(--text-secondary);
            text-decoration: none;
            display: inline-flex;
            align-items: center;
            gap: 4px;
            transition: color 0.2s;
        }

        .breadcrumb-custom a:hover {
            color: var(--brand-primary);
        }

        .breadcrumb-sep {
            color: #c2bcd6;
            font-size: 0.8rem;
        }

        .breadcrumb-current {
            color: var(--text-primary);
            font-weight: 600;
            max-width: 300px;
            overflow: hidden;
            text-overflow: ellipsis;
            white-space: nowrap;
        }

        .article-title {
            font-size: clamp(1.6rem, 3vw, 2.2rem);
            font-weight: 800;
            line-height: 1.3;
            color: var(--text-primary);
            margin-bottom: 16px;
        }

        .article-meta {
            display: flex;
            flex-wrap: wrap;
            gap: 20px;
            font-size: 0.875rem;
            color: var(--text-secondary);
            margin-bottom: 20px;
        }

        .meta-item {
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }

        .meta-item i {
            color: var(--brand-primary);
            font-size: 0.9rem;
        }

        .article-divider {
            height: 1px;
            background: var(--border-subtle);
            margin: 24px 0 32px;
        }

        /* ============ Article Body Typography ============ */
        .article-body {
            max-width: 720px;
            margin: 0 auto;
            line-height: 1.75;
            color: var(--text-primary);
            font-size: 1rem;
            word-break: break-word;
        }

        .article-body p {
            margin-bottom: 1.25em;
            color: var(--text-primary);
        }

        .article-body h2 {
            font-size: 1.6rem;
            font-weight: 700;
            line-height: 1.3;
            margin: 1.5em 0 0.75em;
            color: var(--text-primary);
        }

        .article-body h3 {
            font-size: 1.3rem;
            font-weight: 700;
            line-height: 1.4;
            margin: 1.3em 0 0.6em;
            color: var(--text-primary);
        }

        .article-body h4 {
            font-size: 1.1rem;
            font-weight: 700;
            margin: 1.1em 0 0.5em;
            color: var(--text-primary);
        }

        .article-body img {
            max-width: 100%;
            border-radius: 16px;
            margin: 1.25em 0;
            box-shadow: var(--shadow-card);
        }

        .article-body a {
            color: var(--brand-primary);
            text-decoration: underline;
            text-underline-offset: 4px;
        }

        .article-body a:hover {
            color: #4F46E5;
        }

        .article-body ul,
        .article-body ol {
            padding-left: 1.5em;
            margin-bottom: 1.25em;
        }

        .article-body li {
            margin-bottom: 0.5em;
        }

        .article-body blockquote {
            border-left: 4px solid var(--brand-primary);
            padding: 0.75em 1.25em;
            background: var(--bg-soft);
            border-radius: 8px;
            margin: 1.25em 0;
            color: var(--text-secondary);
        }

        .article-body code {
            background: var(--bg-soft);
            border-radius: 6px;
            padding: 2px 6px;
            font-size: 0.9em;
            color: var(--brand-primary);
            font-family: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
        }

        .article-body pre {
            background: #1B1428;
            color: #fff;
            border-radius: 12px;
            padding: 20px;
            overflow-x: auto;
            margin: 1.25em 0;
        }

        .article-body pre code {
            background: transparent;
            color: inherit;
            padding: 0;
            border-radius: 0;
        }

        .article-body hr {
            border: none;
            border-top: 1px solid var(--border-subtle);
            margin: 1.5em 0;
        }

        /* ============ Tags ============ */
        .article-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
            margin-top: 32px;
            padding-top: 24px;
            border-top: 1px solid var(--border-subtle);
        }

        .tag-item {
            background: var(--bg-soft);
            color: var(--brand-primary);
            border-radius: 999px;
            padding: 6px 14px;
            font-size: 0.85rem;
            text-decoration: none;
            transition: all 0.2s ease;
        }

        .tag-item:hover {
            background: var(--brand-primary);
            color: #fff;
        }

        /* ============ Related Section ============ */
        .related-section {
            margin-top: 40px;
        }

        .related-heading {
            margin-bottom: 28px;
            text-align: center;
        }

        .related-heading h2 {
            font-size: clamp(1.4rem, 2.5vw, 1.8rem);
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 4px;
        }

        .related-heading p {
            color: var(--text-secondary);
            font-size: 0.9rem;
        }

        .related-card {
            display: block;
            background: var(--bg-surface);
            border-radius: var(--radius-md);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            text-decoration: none;
            color: var(--text-primary);
            transition: all 0.3s ease;
            height: 100%;
        }

        .related-card:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-4px);
            text-decoration: none;
            color: var(--text-primary);
        }

        .related-thumb {
            height: 170px;
            overflow: hidden;
            background: var(--bg-soft);
        }

        .related-thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.4s ease;
        }

        .related-card:hover .related-thumb img {
            transform: scale(1.05);
        }

        .related-info {
            padding: 20px;
        }

        .related-info h3 {
            font-size: 1.05rem;
            font-weight: 700;
            margin-bottom: 8px;
            color: var(--text-primary);
            transition: color 0.2s;
        }

        .related-card:hover .related-info h3 {
            color: var(--brand-primary);
        }

        .related-info p {
            font-size: 0.85rem;
            color: var(--text-secondary);
            margin-bottom: 14px;
            line-height: 1.6;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .related-meta {
            display: flex;
            justify-content: space-between;
            align-items: center;
            font-size: 0.8rem;
            color: var(--text-secondary);
        }

        .related-meta span {
            display: inline-flex;
            align-items: center;
            gap: 4px;
        }

        .related-meta .arrow-icon {
            color: var(--brand-primary);
            transition: transform 0.3s;
        }

        .related-card:hover .arrow-icon {
            transform: translateX(4px);
        }

        /* ============ Buttons ============ */
        .btn-return-home {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 12px 28px;
            background: linear-gradient(135deg, #6D28D9, #4F46E5);
            color: #fff;
            border: none;
            border-radius: 12px;
            font-weight: 600;
            font-size: 0.95rem;
            text-decoration: none;
            transition: all 0.25s ease;
            box-shadow: 0 4px 12px rgba(109, 40, 217, 0.2);
            cursor: pointer;
        }

        .btn-return-home:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(109, 40, 217, 0.3);
            color: #fff;
        }

        .btn-return-home i {
            font-size: 1.1rem;
        }

        /* ============ Not Found ============ */
        .article-not-found {
            text-align: center;
            padding: 64px 24px;
        }

        .not-found-icon {
            width: 64px;
            height: 64px;
            margin: 0 auto 16px;
            background: var(--bg-soft);
            border-radius: 18px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.8rem;
            color: var(--brand-primary);
        }

        .article-not-found h2 {
            font-size: 1.4rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 8px;
        }

        .article-not-found p {
            color: var(--text-secondary);
            font-size: 0.95rem;
        }

        /* ============ Footer ============ */
        .site-footer {
            background: #17142A;
            color: rgba(255, 255, 255, 0.7);
            padding: 48px 0 24px;
            margin-left: 260px;
        }

        .footer-brand-text {
            font-size: 0.875rem;
            color: rgba(255, 255, 255, 0.7);
            line-height: 1.7;
            max-width: 340px;
            margin-top: 12px;
        }

        .footer-title {
            font-size: 1rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 16px;
        }

        .footer-links {
            list-style: none;
            padding: 0;
            margin: 0;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .footer-links a {
            color: rgba(255, 255, 255, 0.7);
            text-decoration: none;
            font-size: 0.9rem;
            transition: color 0.2s;
        }

        .footer-links a:hover {
            color: #fff;
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding-top: 20px;
            margin-top: 40px;
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.6);
            text-align: center;
        }

        /* ============ Focus Visible ============ */
        a:focus-visible,
        button:focus-visible {
            outline: 3px solid rgba(14, 165, 233, 0.5);
            outline-offset: 2px;
        }

        /* ============ Responsive ============ */
        @media (min-width: 992px) and (max-width: 1199.98px) {
            .app-sidebar {
                width: 64px;
            }
            .app-main {
                margin-left: 64px;
            }
            .site-footer {
                margin-left: 64px;
            }
            .sidebar-logo {
                justify-content: center;
                padding: 0;
            }
            .sidebar-logo .logo-text {
                display: none;
            }
            .nav-text {
                display: none;
            }
            .sidebar-nav {
                padding: 8px 6px;
            }
            .nav-item-custom {
                justify-content: center;
                padding: 0;
                width: 48px;
                margin: 0 auto;
            }
            .sidebar-cta .cta-text {
                display: none;
            }
            .sidebar-cta {
                padding: 16px 8px;
            }
            .btn-sidebar-cta {
                width: 40px;
                padding: 10px;
                margin: 0 auto;
            }
        }

        @media (max-width: 991.98px) {
            .app-sidebar {
                display: none;
            }
            .mobile-header {
                display: flex;
            }
            .app-main {
                margin-left: 0;
                padding-top: 64px;
            }
            .site-footer {
                margin-left: 0;
            }
        }

        @media (max-width: 767.98px) {
            .page-container {
                padding: 0 16px;
            }
            .page-content {
                padding-top: 16px;
                padding-bottom: 40px;
            }
            .content-card {
                padding: 20px;
                border-radius: 16px;
            }
            .article-box {
                padding: 24px 20px;
            }
            .article-title {
                font-size: 1.5rem;
                line-height: 1.35;
            }
            .article-meta {
                gap: 12px;
                font-size: 0.8rem;
            }
            .related-thumb {
                height: 200px;
            }
            .breadcrumb-current {
                max-width: 160px;
            }
            .site-footer {
                padding: 32px 0 20px;
            }
        }

        @media (max-width: 520px) {
            .article-meta {
                gap: 10px;
                flex-direction: column;
            }
            .related-thumb {
                height: 180px;
            }
        }

/* roulang page: category2 */
:root {
            --brand-primary: #6D28D9;
            --brand-primary-rgb: 109, 40, 217;
            --brand-deep: #1B1428;
            --brand-deep-2: #2D1B4E;
            --accent-start: #0EA5E9;
            --accent-end: #2DD4BF;
            --gradient-brand: linear-gradient(135deg, #6D28D9, #4F46E5);
            --gradient-hero: linear-gradient(135deg, #1B1428 0%, #2D1B4E 45%, #6D28D9 100%);
            --gradient-accent: linear-gradient(135deg, #0EA5E9, #2DD4BF);
            --gradient-cta: linear-gradient(135deg, #6D28D9, #0EA5E9);
            --bg-page: #F5F3FA;
            --bg-surface: #FFFFFF;
            --bg-soft: #ECE8F4;
            --text-primary: #17142A;
            --text-secondary: #5B5770;
            --text-on-dark: #FFFFFF;
            --text-muted-on-dark: rgba(255, 255, 255, 0.72);
            --border-subtle: rgba(27, 20, 40, 0.08);
            --shadow-card: 0 4px 16px rgba(27, 20, 40, 0.06);
            --shadow-card-hover: 0 12px 32px rgba(109, 40, 217, 0.14);
            --radius-sm: 8px;
            --radius-md: 16px;
            --radius-lg: 24px;
            --radius-pill: 999px;
        }

        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", "Helvetica Neue", Arial, sans-serif;
            background: var(--bg-page);
            color: var(--text-primary);
            line-height: 1.75;
            padding-left: 260px;
            min-height: 100vh;
        }

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

        a {
            text-decoration: none;
            color: inherit;
            transition: color 0.25s ease;
        }

        button {
            border: none;
            background: none;
            cursor: pointer;
            font-family: inherit;
        }

        ul,
        ol {
            list-style: none;
        }

        .page-container {
            max-width: 1240px;
            margin: 0 auto;
            padding: 0 24px;
        }

        /* ===== 左侧导航 ===== */
        .sidebar {
            position: fixed;
            left: 0;
            top: 0;
            bottom: 0;
            width: 260px;
            background: linear-gradient(180deg, #1B1428, #2D1B4E);
            display: flex;
            flex-direction: column;
            z-index: 1040;
            padding: 0 16px 24px;
        }

        .sidebar-logo {
            height: 64px;
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 0 8px;
            flex-shrink: 0;
        }

        .logo-mark {
            width: 40px;
            height: 40px;
            border-radius: 12px;
            background: var(--gradient-brand);
            color: #fff;
            font-size: 1.2rem;
            font-weight: 800;
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
        }

        .logo-text {
            font-size: 1.15rem;
            font-weight: 800;
            color: #fff;
            letter-spacing: 1px;
            white-space: nowrap;
        }

        .sidebar-nav {
            margin-top: 24px;
            flex: 1;
        }

        .nav-item-custom {
            display: flex;
            align-items: center;
            gap: 12px;
            height: 44px;
            padding: 0 14px;
            border-radius: 12px;
            margin-bottom: 4px;
            color: rgba(255, 255, 255, 0.7);
            font-size: 0.95rem;
            position: relative;
            transition: background 0.25s ease, color 0.25s ease;
        }

        .nav-item-custom i {
            font-size: 1.1rem;
            width: 24px;
            text-align: center;
            flex-shrink: 0;
        }

        .nav-item-custom:hover {
            background: rgba(255, 255, 255, 0.08);
            color: #fff;
        }

        .nav-item-custom:focus-visible {
            outline: 2px solid var(--accent-end);
            outline-offset: 2px;
        }

        .nav-item-custom.active {
            background: rgba(255, 255, 255, 0.12);
            color: #fff;
            font-weight: 600;
        }

        .nav-item-custom.active::before {
            content: "";
            position: absolute;
            left: 0;
            top: 50%;
            transform: translateY(-50%);
            width: 4px;
            height: 22px;
            border-radius: 0 4px 4px 0;
            background: var(--gradient-accent);
        }

        .sidebar-bottom {
            padding-top: 16px;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
        }

        .sidebar-cta-btn {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            height: 44px;
            border-radius: 12px;
            background: var(--gradient-accent);
            color: #1B1428;
            font-weight: 700;
            font-size: 0.92rem;
            transition: transform 0.25s ease, box-shadow 0.25s ease;
        }

        .sidebar-cta-btn:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 20px rgba(14, 165, 233, 0.25);
            color: #1B1428;
        }

        .sidebar-cta-btn:focus-visible {
            outline: 2px solid #fff;
            outline-offset: 2px;
        }

        /* ===== 移动端顶部栏 ===== */
        .mobile-header {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            height: 64px;
            background: rgba(255, 255, 255, 0.96);
            backdrop-filter: blur(10px);
            border-bottom: 1px solid var(--border-subtle);
            z-index: 1050;
            align-items: center;
            justify-content: space-between;
            padding: 0 16px;
        }

        .mobile-logo {
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .mobile-logo .logo-text {
            color: var(--text-primary);
        }

        .mobile-toggle-btn {
            width: 42px;
            height: 42px;
            border-radius: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.4rem;
            color: var(--text-primary);
            background: var(--bg-soft);
            transition: background 0.25s ease;
        }

        .mobile-toggle-btn:hover {
            background: #ddd6ee;
        }

        .mobile-toggle-btn:focus-visible {
            outline: 2px solid var(--brand-primary);
        }

        /* ===== 移动端抽屉 ===== */
        .mobile-overlay {
            position: fixed;
            inset: 0;
            background: rgba(27, 20, 40, 0.5);
            z-index: 1055;
            opacity: 0;
            visibility: hidden;
            transition: opacity 0.3s ease, visibility 0.3s ease;
        }

        .mobile-overlay.active {
            opacity: 1;
            visibility: visible;
        }

        .mobile-drawer {
            position: fixed;
            top: 0;
            bottom: 0;
            left: 0;
            width: 280px;
            background: linear-gradient(180deg, #1B1428, #2D1B4E);
            z-index: 1060;
            transform: translateX(-100%);
            transition: transform 0.35s ease;
            padding: 0 16px 24px;
            display: flex;
            flex-direction: column;
        }

        .mobile-drawer.active {
            transform: translateX(0);
        }

        .drawer-header {
            height: 64px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 0 8px;
        }

        .drawer-close-btn {
            width: 36px;
            height: 36px;
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.2rem;
            color: rgba(255, 255, 255, 0.7);
            transition: background 0.25s ease;
        }

        .drawer-close-btn:hover {
            background: rgba(255, 255, 255, 0.1);
            color: #fff;
        }

        .drawer-nav {
            margin-top: 24px;
            flex: 1;
        }

        .drawer-nav-item {
            display: flex;
            align-items: center;
            gap: 12px;
            height: 48px;
            padding: 0 14px;
            border-radius: 12px;
            margin-bottom: 4px;
            color: rgba(255, 255, 255, 0.7);
            font-size: 0.95rem;
            transition: background 0.25s ease;
        }

        .drawer-nav-item i {
            font-size: 1.1rem;
            width: 24px;
            text-align: center;
        }

        .drawer-nav-item:hover {
            background: rgba(255, 255, 255, 0.08);
            color: #fff;
        }

        .drawer-nav-item.active {
            background: rgba(255, 255, 255, 0.12);
            color: #fff;
            font-weight: 600;
        }

        .drawer-cta {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            height: 44px;
            border-radius: 12px;
            background: var(--gradient-accent);
            color: #1B1428;
            font-weight: 700;
            font-size: 0.92rem;
        }

        /* ===== 主内容区 ===== */
        .main-content {
            padding: 40px 48px 80px;
            min-height: 80vh;
        }

        /* ===== 页头横幅 ===== */
        .category-hero {
            position: relative;
            border-radius: var(--radius-lg);
            overflow: hidden;
            min-height: 320px;
            display: flex;
            align-items: flex-end;
            background: var(--gradient-hero);
            margin-bottom: 64px;
        }

        .category-hero .hero-bg {
            position: absolute;
            inset: 0;
            background-size: cover;
            background-position: center;
            background-repeat: no-repeat;
            opacity: 0.3;
        }

        .category-hero .hero-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(27, 20, 40, 0.85) 0%, rgba(45, 27, 78, 0.65) 45%, rgba(109, 40, 217, 0.3) 100%);
        }

        .category-hero .hero-content {
            position: relative;
            z-index: 1;
            padding: 56px;
            width: 100%;
        }

        .category-hero h1 {
            color: #fff;
            font-size: clamp(2.2rem, 4vw, 3rem);
            font-weight: 800;
            line-height: 1.2;
            margin-bottom: 0.5em;
            max-width: 800px;
        }

        .category-hero .hero-sub {
            color: rgba(255, 255, 255, 0.78);
            font-size: 1rem;
            max-width: 560px;
            margin-bottom: 0;
            line-height: 1.75;
        }

        /* ===== 面包屑 ===== */
        .breadcrumb-nav {
            display: flex;
            align-items: center;
            gap: 6px;
            margin-bottom: 20px;
            flex-wrap: wrap;
            color: rgba(255, 255, 255, 0.6);
            font-size: 0.85rem;
        }

        .breadcrumb-nav a {
            color: rgba(255, 255, 255, 0.75);
            transition: color 0.25s ease;
        }

        .breadcrumb-nav a:hover {
            color: #fff;
        }

        .breadcrumb-nav .sep {
            font-size: 0.75rem;
            display: inline-flex;
            align-items: center;
        }

        .breadcrumb-nav .current {
            color: rgba(255, 255, 255, 0.85);
            font-weight: 500;
        }

        /* ===== 通用区块标题 ===== */
        .section-head {
            text-align: center;
            margin-bottom: 48px;
        }

        .section-kicker {
            display: inline-block;
            font-size: 0.78rem;
            font-weight: 700;
            letter-spacing: 2px;
            text-transform: uppercase;
            color: var(--brand-primary);
            background: rgba(109, 40, 217, 0.08);
            padding: 4px 16px;
            border-radius: var(--radius-pill);
            margin-bottom: 12px;
        }

        .section-head h2 {
            font-size: clamp(1.6rem, 3vw, 2.2rem);
            font-weight: 700;
            color: var(--text-primary);
            line-height: 1.3;
            margin-bottom: 12px;
        }

        .section-head p {
            color: var(--text-secondary);
            font-size: 0.95rem;
            max-width: 480px;
            margin: 0 auto;
        }

        /* ===== 横向列表内容区 ===== */
        .news-list-section {
            margin-bottom: 80px;
        }

        .news-h-list {
            display: flex;
            flex-direction: column;
            gap: 20px;
        }

        .news-h-item {
            display: flex;
            gap: 24px;
            background: var(--bg-surface);
            border-radius: var(--radius-md);
            padding: 20px;
            box-shadow: var(--shadow-card);
            transition: box-shadow 0.25s ease, transform 0.25s ease;
            border: 1px solid var(--border-subtle);
        }

        .news-h-item:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-3px);
        }

        .news-h-thumb {
            position: relative;
            width: 156px;
            min-width: 156px;
            height: 104px;
            border-radius: 12px;
            overflow: hidden;
            background: var(--bg-soft);
        }

        .news-h-thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.4s ease;
        }

        .news-h-item:hover .news-h-thumb img {
            transform: scale(1.05);
        }

        .thumb-tag {
            position: absolute;
            left: 8px;
            bottom: 8px;
            background: rgba(27, 20, 40, 0.7);
            backdrop-filter: blur(4px);
            color: #fff;
            font-size: 0.7rem;
            padding: 2px 10px;
            border-radius: var(--radius-pill);
            border: 1px solid rgba(255, 255, 255, 0.2);
        }

        .news-h-content {
            flex: 1;
            display: flex;
            flex-direction: column;
        }

        .news-meta {
            display: flex;
            align-items: center;
            gap: 16px;
            margin-bottom: 6px;
            flex-wrap: wrap;
        }

        .meta-cat,
        .meta-date {
            font-size: 0.78rem;
            color: var(--text-secondary);
            display: inline-flex;
            align-items: center;
            gap: 5px;
        }

        .meta-cat i {
            color: var(--brand-primary);
        }

        .meta-cat {
            color: var(--brand-primary);
            font-weight: 600;
            background: rgba(109, 40, 217, 0.08);
            padding: 2px 12px;
            border-radius: var(--radius-pill);
        }

        .news-h-content h3 {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--text-primary);
            line-height: 1.4;
            margin-bottom: 6px;
            transition: color 0.25s ease;
        }

        .news-h-item:hover .news-h-content h3 {
            color: var(--brand-primary);
        }

        .news-desc {
            font-size: 0.88rem;
            color: var(--text-secondary);
            line-height: 1.7;
            margin-bottom: 10px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .news-more-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--brand-primary);
            margin-top: auto;
            transition: gap 0.25s ease;
        }

        .news-more-link:hover {
            gap: 10px;
            color: #4F46E5;
        }

        .news-more-link i {
            font-size: 0.85rem;
        }

        /* ===== 数据徽章区 ===== */
        .stats-section {
            margin-bottom: 80px;
        }

        .stats-inner {
            background: var(--gradient-hero);
            border-radius: var(--radius-lg);
            padding: 48px 32px;
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }

        .stat-badge {
            text-align: center;
            background: rgba(255, 255, 255, 0.12);
            border-radius: var(--radius-md);
            padding: 28px 16px;
            backdrop-filter: blur(6px);
            border: 1px solid rgba(255, 255, 255, 0.1);
            transition: transform 0.25s ease, background 0.25s ease;
        }

        .stat-badge:hover {
            transform: translateY(-4px);
            background: rgba(255, 255, 255, 0.18);
        }

        .stat-number {
            display: block;
            font-size: clamp(1.8rem, 3vw, 2.5rem);
            font-weight: 800;
            color: #fff;
            line-height: 1.2;
            margin-bottom: 6px;
        }

        .stat-label {
            color: rgba(255, 255, 255, 0.72);
            font-size: 0.85rem;
        }

        /* ===== FAQ区 ===== */
        .faq-section {
            margin-bottom: 80px;
        }

        .accordion-custom {
            max-width: 820px;
            margin: 0 auto;
            background: var(--bg-surface);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-card);
            padding: 12px 24px;
            border: 1px solid var(--border-subtle);
        }

        .accordion-custom .accordion-item {
            background: transparent;
            border: none;
            border-bottom: 1px solid var(--border-subtle);
        }

        .accordion-custom .accordion-item:last-child {
            border-bottom: none;
        }

        .accordion-custom .accordion-header {
            margin: 0;
        }

        .accordion-custom .accordion-button {
            background: transparent;
            color: var(--text-primary);
            font-size: 1rem;
            font-weight: 600;
            padding: 18px 8px;
            border: none;
            box-shadow: none;
            transition: color 0.25s ease;
        }

        .accordion-custom .accordion-button:not(.collapsed) {
            background: transparent;
            color: var(--brand-primary);
            box-shadow: none;
        }

        .accordion-custom .accordion-button:focus {
            box-shadow: none;
            border-color: transparent;
        }

        .accordion-custom .accordion-button:focus-visible {
            outline: 2px solid var(--brand-primary);
            outline-offset: -2px;
        }

        .accordion-custom .accordion-button::after {
            background-image: none;
            content: "\F64D";
            font-family: "bootstrap-icons";
            font-size: 1.1rem;
            color: var(--text-secondary);
            width: auto;
            height: auto;
            transition: transform 0.3s ease, color 0.3s ease;
        }

        .accordion-custom .accordion-button:not(.collapsed)::after {
            transform: rotate(45deg);
            color: var(--brand-primary);
            background-image: none;
        }

        .accordion-custom .accordion-body {
            padding: 0 8px 20px;
            color: var(--text-secondary);
            font-size: 0.92rem;
            line-height: 1.75;
        }

        /* ===== CTA区 ===== */
        .cta-section {
            margin-bottom: 0;
        }

        .cta-card {
            position: relative;
            background: var(--gradient-cta);
            border-radius: var(--radius-lg);
            padding: 64px 48px;
            text-align: center;
            overflow: hidden;
        }

        .cta-card::before,
        .cta-card::after {
            content: "";
            position: absolute;
            border-radius: 50%;
            border: 2px solid rgba(255, 255, 255, 0.18);
        }

        .cta-card::before {
            width: 200px;
            height: 200px;
            top: -60px;
            right: -40px;
        }

        .cta-card::after {
            width: 120px;
            height: 120px;
            bottom: -30px;
            left: 40px;
        }

        .cta-card h2 {
            color: #fff;
            font-size: clamp(1.6rem, 3vw, 2.2rem);
            font-weight: 700;
            margin-bottom: 16px;
            position: relative;
            z-index: 1;
        }

        .cta-card p {
            color: rgba(255, 255, 255, 0.85);
            font-size: 1rem;
            margin-bottom: 28px;
            position: relative;
            z-index: 1;
        }

        .cta-actions {
            display: flex;
            justify-content: center;
            gap: 16px;
            flex-wrap: wrap;
            position: relative;
            z-index: 1;
        }

        .cta-btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: #fff;
            color: var(--brand-primary);
            font-weight: 700;
            padding: 12px 28px;
            border-radius: 12px;
            font-size: 0.95rem;
            transition: transform 0.25s ease, box-shadow 0.25s ease;
        }

        .cta-btn-primary:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(255, 255, 255, 0.25);
            color: var(--brand-primary);
        }

        .cta-btn-outline {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            border: 1.5px solid rgba(255, 255, 255, 0.6);
            color: #fff;
            font-weight: 600;
            padding: 12px 28px;
            border-radius: 12px;
            font-size: 0.95rem;
            background: transparent;
            transition: background 0.25s ease, border-color 0.25s ease;
        }

        .cta-btn-outline:hover {
            background: rgba(255, 255, 255, 0.15);
            border-color: #fff;
            color: #fff;
        }

        .cta-btn-primary:focus-visible,
        .cta-btn-outline:focus-visible {
            outline: 2px solid #fff;
            outline-offset: 3px;
        }

        /* ===== 页脚 ===== */
        .site-footer {
            background: #17142A;
            color: rgba(255, 255, 255, 0.7);
            padding: 64px 48px 24px;
            border-top: 1px solid rgba(255, 255, 255, 0.06);
        }

        .site-footer .page-container {
            max-width: 1240px;
            margin: 0 auto;
        }

        .footer-brand-text {
            font-size: 0.92rem;
            line-height: 1.75;
            color: rgba(255, 255, 255, 0.6);
            max-width: 340px;
            margin-top: 12px;
        }

        .footer-title {
            color: #fff;
            font-size: 1rem;
            font-weight: 600;
            margin-bottom: 16px;
        }

        .footer-links {
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .footer-links a {
            color: rgba(255, 255, 255, 0.7);
            font-size: 0.88rem;
            transition: color 0.25s ease, padding-left 0.25s ease;
        }

        .footer-links a:hover {
            color: #fff;
            padding-left: 4px;
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            margin-top: 40px;
            padding-top: 20px;
            text-align: center;
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.5);
        }

        /* ===== 响应式断点 ===== */
        @media (max-width: 1200px) {
            body {
                padding-left: 64px;
            }

            .sidebar {
                width: 64px;
                padding: 0 8px 16px;
            }

            .sidebar-logo {
                justify-content: center;
                padding: 0;
            }

            .sidebar-logo .logo-text {
                display: none;
            }

            .sidebar-nav .nav-text {
                display: none;
            }

            .nav-item-custom {
                justify-content: center;
                padding: 0;
            }

            .nav-item-custom i {
                margin: 0;
            }

            .sidebar-bottom {
                padding-top: 10px;
            }

            .sidebar-cta-btn span {
                display: none;
            }

            .sidebar-cta-btn {
                padding: 0;
                justify-content: center;
            }

            .main-content {
                padding: 32px 32px 64px;
            }

            .site-footer {
                padding: 56px 32px 24px;
            }
        }

        @media (max-width: 992px) {
            body {
                padding-left: 0;
                padding-top: 64px;
            }

            .mobile-header {
                display: flex;
            }

            .sidebar {
                display: none;
            }

            .main-content {
                padding: 24px 16px 48px;
            }

            .category-hero {
                min-height: 260px;
                margin-bottom: 48px;
            }

            .category-hero .hero-content {
                padding: 32px 24px;
            }

            .news-h-item {
                flex-direction: row;
                gap: 16px;
                padding: 16px;
            }

            .news-h-thumb {
                width: 130px;
                min-width: 130px;
                height: 96px;
            }

            .stats-inner {
                grid-template-columns: repeat(2, 1fr);
                gap: 16px;
                padding: 32px 20px;
            }

            .cta-card {
                padding: 48px 24px;
            }

            .site-footer {
                padding: 48px 16px 24px;
            }
        }

        @media (max-width: 768px) {
            .news-h-item {
                flex-direction: column;
            }

            .news-h-thumb {
                width: 100%;
                height: 180px;
                min-width: 0;
            }

            .news-h-content h3 {
                font-size: 1rem;
            }

            .news-desc {
                -webkit-line-clamp: 3;
            }

            .stats-inner {
                grid-template-columns: repeat(2, 1fr);
            }

            .stat-badge {
                padding: 20px 12px;
            }

            .cta-actions {
                flex-direction: column;
                align-items: stretch;
            }

            .cta-btn-primary,
            .cta-btn-outline {
                justify-content: center;
            }

            .site-footer .row {
                row-gap: 32px;
            }
        }

        @media (max-width: 520px) {
            .category-hero h1 {
                font-size: 1.8rem;
            }

            .category-hero .hero-content {
                padding: 24px 16px;
            }

            .news-h-thumb {
                height: 150px;
            }

            .news-meta {
                gap: 10px;
            }

            .meta-date {
                font-size: 0.72rem;
            }

            .accordion-custom {
                padding: 8px 12px;
            }

            .accordion-custom .accordion-button {
                font-size: 0.92rem;
                padding: 16px 6px;
            }

            .stats-inner {
                grid-template-columns: 1fr 1fr;
                padding: 20px 12px;
            }

            .stat-number {
                font-size: 1.6rem;
            }

            .stat-label {
                font-size: 0.76rem;
            }

            .cta-card {
                padding: 40px 20px;
            }

            .section-head {
                margin-bottom: 32px;
            }
        }