/* roulang page: index */
:root {
            --primary: #1e3a8a;
            --primary-light: #3b82f6;
            --primary-lighter: #dbeafe;
            --accent: #f59e0b;
            --accent-light: #fef3c7;
            --dark: #0f172a;
            --text: #1e293b;
            --text-muted: #64748b;
            --bg: #f8fafc;
            --card-bg: #ffffff;
            --border: #e2e8f0;
            --radius: 16px;
            --shadow: 0 10px 30px rgba(15, 23, 42, 0.08);
            --shadow-lg: 0 20px 40px rgba(15, 23, 42, 0.12);
            --space: 40px;
        }
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
            background: var(--bg);
            color: var(--text);
            line-height: 1.7;
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
        }
        a {
            text-decoration: none;
            color: inherit;
            transition: color .25s, background .25s, box-shadow .25s, transform .25s;
        }
        img {
            max-width: 100%;
            display: block;
            height: auto;
        }
        ul {
            list-style: none;
        }
        button,
        input,
        textarea {
            font-family: inherit;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }
        .grid-container {
            max-width: 1200px;
        }
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 12px 28px;
            border-radius: 10px;
            font-size: 15px;
            font-weight: 600;
            border: 2px solid transparent;
            cursor: pointer;
            transition: all .3s ease;
            line-height: 1.4;
        }
        .btn-primary {
            background: var(--primary);
            color: #fff;
            box-shadow: 0 4px 15px rgba(30, 58, 138, 0.3);
        }
        .btn-primary:hover {
            background: #162d6e;
            box-shadow: 0 8px 25px rgba(30, 58, 138, 0.4);
            transform: translateY(-2px);
            color: #fff;
        }
        .btn-outline {
            background: transparent;
            border-color: rgba(255, 255, 255, 0.6);
            color: #fff;
        }
        .btn-outline:hover {
            background: rgba(255, 255, 255, 0.15);
            border-color: #fff;
            transform: translateY(-2px);
            color: #fff;
        }
        .btn-accent {
            background: var(--accent);
            color: #1e293b;
            box-shadow: 0 4px 15px rgba(245, 158, 11, 0.3);
        }
        .btn-accent:hover {
            background: #d97706;
            box-shadow: 0 8px 25px rgba(245, 158, 11, 0.4);
            transform: translateY(-2px);
            color: #fff;
        }
        .btn-lg {
            padding: 16px 36px;
            font-size: 16px;
            border-radius: 12px;
        }
        /* 顶部导航 */
        .site-header {
            background: rgba(255, 255, 255, 0.95);
            backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--border);
            position: sticky;
            top: 0;
            z-index: 100;
            box-shadow: 0 2px 10px rgba(0, 0, 0, 0.04);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 72px;
        }
        .nav-logo {
            font-size: 22px;
            font-weight: 800;
            color: var(--primary);
            letter-spacing: 1px;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .nav-logo i {
            font-size: 24px;
            color: var(--accent);
        }
        .desktop-nav {
            display: flex;
            gap: 8px;
            margin-left: auto;
            margin-right: 24px;
        }
        .desktop-nav .nav-link {
            padding: 8px 18px;
            border-radius: 8px;
            font-size: 15px;
            font-weight: 500;
            color: var(--text);
        }
        .desktop-nav .nav-link:hover {
            background: var(--primary-lighter);
            color: var(--primary);
        }
        .desktop-nav .nav-link.active {
            background: var(--primary);
            color: #fff;
            box-shadow: 0 2px 10px rgba(30, 58, 138, 0.25);
        }
        .nav-cta {
            padding: 10px 22px;
            font-size: 14px;
            border-radius: 8px;
        }
        .mobile-toggle {
            display: none;
            background: none;
            border: none;
            font-size: 24px;
            color: var(--primary);
            cursor: pointer;
            padding: 8px;
        }
        .mobile-menu {
            display: none;
            background: #fff;
            border-bottom: 1px solid var(--border);
            padding: 8px 24px;
        }
        .mobile-menu a {
            display: block;
            padding: 12px 8px;
            border-radius: 8px;
            font-size: 15px;
            font-weight: 500;
            color: var(--text);
        }
        .mobile-menu a:hover {
            background: var(--primary-lighter);
            color: var(--primary);
        }
        .mobile-menu a.active {
            color: var(--primary);
            font-weight: 700;
        }
        .mobile-menu.open {
            display: block;
        }
        /* Hero */
        .hero {
            position: relative;
            background-size: cover;
            background-position: center;
            min-height: 560px;
            display: flex;
            align-items: center;
            color: #fff;
            overflow: hidden;
        }
        .hero-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(120deg, rgba(15, 23, 42, 0.92) 0%, rgba(30, 58, 138, 0.75) 50%, rgba(15, 23, 42, 0.4) 100%);
        }
        .hero-content {
            position: relative;
            z-index: 2;
            padding: 80px 0;
        }
        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(255, 255, 255, 0.12);
            border: 1px solid rgba(255, 255, 255, 0.25);
            border-radius: 30px;
            padding: 6px 18px;
            font-size: 13px;
            font-weight: 600;
            letter-spacing: 1px;
            margin-bottom: 20px;
            backdrop-filter: blur(6px);
        }
        .hero-badge i {
            color: var(--accent);
        }
        .hero h1 {
            font-size: 48px;
            font-weight: 800;
            line-height: 1.2;
            margin-bottom: 12px;
            letter-spacing: 1px;
        }
        .hero-subtitle {
            font-size: 22px;
            font-weight: 500;
            color: rgba(255, 255, 255, 0.9);
            margin-bottom: 16px;
        }
        .hero-desc {
            font-size: 16px;
            color: rgba(255, 255, 255, 0.7);
            max-width: 560px;
            margin-bottom: 32px;
        }
        .hero-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            margin-bottom: 32px;
        }
        .hero-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
        }
        .hero-tag {
            background: rgba(255, 255, 255, 0.1);
            border: 1px solid rgba(255, 255, 255, 0.2);
            border-radius: 6px;
            padding: 4px 14px;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.9);
        }
        /* 统计条 */
        .stats-bar {
            background: var(--dark);
            padding: 32px 0;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
        }
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }
        .stat-item {
            text-align: center;
            padding: 16px;
        }
        .stat-item .stat-number {
            font-size: 36px;
            font-weight: 800;
            color: #fff;
            line-height: 1.2;
        }
        .stat-item .stat-number span {
            color: var(--accent);
        }
        .stat-item .stat-label {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.55);
            margin-top: 4px;
        }
        /* 通用板块 */
        .section {
            padding: 80px 0;
        }
        .section-alt {
            background: #fff;
        }
        .section-head {
            text-align: center;
            max-width: 720px;
            margin: 0 auto 48px;
        }
        .section-tag {
            display: inline-block;
            background: var(--primary-lighter);
            color: var(--primary);
            font-size: 13px;
            font-weight: 600;
            border-radius: 30px;
            padding: 4px 16px;
            margin-bottom: 12px;
            letter-spacing: 1px;
        }
        .section-title {
            font-size: 32px;
            font-weight: 800;
            color: var(--dark);
            margin-bottom: 12px;
            line-height: 1.3;
        }
        .section-subtitle {
            font-size: 16px;
            color: var(--text-muted);
            line-height: 1.7;
        }
        /* 核心说明 */
        .core-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
            margin-top: 16px;
        }
        .core-card {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius);
            padding: 36px 28px;
            box-shadow: var(--shadow);
            transition: all .3s ease;
        }
        .core-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-6px);
            border-color: var(--primary-light);
        }
        .core-card .icon-wrap {
            width: 56px;
            height: 56px;
            border-radius: 14px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 22px;
            margin-bottom: 20px;
        }
        .core-card:nth-child(1) .icon-wrap {
            background: var(--primary-lighter);
            color: var(--primary);
        }
        .core-card:nth-child(2) .icon-wrap {
            background: var(--accent-light);
            color: var(--accent);
        }
        .core-card:nth-child(3) .icon-wrap {
            background: #dcfce7;
            color: #16a34a;
        }
        .core-card h3 {
            font-size: 18px;
            font-weight: 700;
            margin-bottom: 10px;
            color: var(--dark);
        }
        .core-card p {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.7;
        }
        /* 分类入口 */
        .cat-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 28px;
        }
        .cat-card {
            background: #fff;
            border-radius: var(--radius);
            overflow: hidden;
            border: 1px solid var(--border);
            box-shadow: var(--shadow);
            transition: all .3s ease;
            display: flex;
            flex-direction: column;
        }
        .cat-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-6px);
        }
        .cat-card-img {
            height: 200px;
            overflow: hidden;
            position: relative;
        }
        .cat-card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform .5s ease;
        }
        .cat-card:hover .cat-card-img img {
            transform: scale(1.05);
        }
        .cat-card-img::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(to top, rgba(15, 23, 42, 0.4), transparent);
        }
        .cat-card-body {
            padding: 28px;
            display: flex;
            flex-direction: column;
            flex: 1;
        }
        .cat-card-body .tag {
            align-self: flex-start;
            background: var(--primary-lighter);
            color: var(--primary);
            font-size: 12px;
            font-weight: 600;
            border-radius: 6px;
            padding: 3px 12px;
            margin-bottom: 12px;
        }
        .cat-card-body h3 {
            font-size: 20px;
            font-weight: 700;
            margin-bottom: 10px;
            color: var(--dark);
        }
        .cat-card-body p {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.7;
            flex: 1;
            margin-bottom: 16px;
        }
        .cat-card-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            color: var(--primary);
            font-weight: 600;
            font-size: 14px;
        }
        .cat-card-link i {
            transition: transform .3s;
        }
        .cat-card-link:hover {
            color: var(--accent);
        }
        .cat-card-link:hover i {
            transform: translateX(4px);
        }
        /* 资讯列表 */
        .news-wrap {
            background: var(--bg);
            padding: 80px 0;
        }
        .news-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 24px;
        }
        .news-card {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius);
            padding: 24px;
            box-shadow: var(--shadow);
            transition: all .3s ease;
        }
        .news-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-4px);
        }
        .news-card .news-tag {
            display: inline-block;
            background: var(--accent-light);
            color: #b45309;
            font-size: 12px;
            font-weight: 600;
            border-radius: 6px;
            padding: 2px 12px;
            margin-bottom: 10px;
        }
        .news-card h3 {
            font-size: 17px;
            font-weight: 700;
            margin-bottom: 8px;
            line-height: 1.5;
        }
        .news-card h3 a {
            color: var(--dark);
        }
        .news-card h3 a:hover {
            color: var(--primary);
        }
        .news-card .news-excerpt {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.7;
            margin-bottom: 14px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .news-card .news-meta {
            display: flex;
            align-items: center;
            justify-content: space-between;
            font-size: 13px;
            color: var(--text-muted);
            border-top: 1px solid var(--border);
            padding-top: 14px;
        }
        .news-card .news-meta a {
            color: var(--primary);
            font-weight: 600;
            display: inline-flex;
            align-items: center;
            gap: 4px;
        }
        .news-card .news-meta a:hover {
            color: var(--accent);
        }
        .empty-tip {
            text-align: center;
            padding: 40px;
            color: var(--text-muted);
            font-size: 15px;
            background: #fff;
            border-radius: var(--radius);
            border: 1px dashed var(--border);
        }
        /* 流程 */
        .process-steps {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }
        .process-step {
            text-align: center;
            padding: 32px 20px;
            background: #fff;
            border-radius: var(--radius);
            border: 1px solid var(--border);
            position: relative;
            transition: all .3s ease;
        }
        .process-step:hover {
            box-shadow: var(--shadow);
            transform: translateY(-4px);
        }
        .process-step .step-num {
            width: 44px;
            height: 44px;
            border-radius: 50%;
            background: var(--primary);
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 800;
            font-size: 18px;
            margin: 0 auto 16px;
            box-shadow: 0 4px 12px rgba(30, 58, 138, 0.3);
        }
        .process-step .step-icon {
            font-size: 28px;
            color: var(--primary-light);
            margin-bottom: 12px;
        }
        .process-step h4 {
            font-size: 16px;
            font-weight: 700;
            margin-bottom: 6px;
            color: var(--dark);
        }
        .process-step p {
            font-size: 13px;
            color: var(--text-muted);
            line-height: 1.6;
        }
        /* 精选推荐 */
        .featured-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .featured-card {
            background: #fff;
            border-radius: var(--radius);
            overflow: hidden;
            border: 1px solid var(--border);
            box-shadow: var(--shadow);
            transition: all .3s ease;
        }
        .featured-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-6px);
        }
        .featured-card-img {
            height: 180px;
            overflow: hidden;
            position: relative;
        }
        .featured-card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform .5s;
        }
        .featured-card:hover .featured-card-img img {
            transform: scale(1.06);
        }
        .featured-card-body {
            padding: 24px;
        }
        .featured-card-body .tag {
            display: inline-block;
            background: var(--primary-lighter);
            color: var(--primary);
            font-size: 12px;
            font-weight: 600;
            border-radius: 6px;
            padding: 3px 12px;
            margin-bottom: 10px;
        }
        .featured-card-body h3 {
            font-size: 17px;
            font-weight: 700;
            margin-bottom: 8px;
            line-height: 1.5;
            color: var(--dark);
        }
        .featured-card-body p {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.7;
            margin-bottom: 16px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .featured-card-body .card-footer {
            display: flex;
            align-items: center;
            justify-content: space-between;
            font-size: 13px;
            color: var(--text-muted);
        }
        .featured-card-body .card-footer a {
            color: var(--primary);
            font-weight: 600;
        }
        /* FAQ */
        .faq-section {
            background: #fff;
        }
        .faq-wrap {
            max-width: 800px;
            margin: 0 auto;
        }
        .accordion {
            background: transparent;
        }
        .accordion-item {
            background: var(--bg);
            border: 1px solid var(--border);
            border-radius: 12px;
            margin-bottom: 14px;
            overflow: hidden;
        }
        .accordion-title {
            font-size: 16px;
            font-weight: 600;
            color: var(--dark) !important;
            padding: 20px 24px;
            border: none !important;
            background: transparent !important;
        }
        .accordion-title:hover {
            background: var(--primary-lighter) !important;
        }
        .accordion-title::before {
            color: var(--primary) !important;
        }
        .accordion-content {
            padding: 0 24px 20px;
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.8;
        }
        /* CTA */
        .cta-section {
            position: relative;
            background-size: cover;
            background-position: center;
            padding: 90px 0;
            color: #fff;
            text-align: center;
        }
        .cta-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(15, 23, 42, 0.92), rgba(30, 58, 138, 0.85));
        }
        .cta-content {
            position: relative;
            z-index: 2;
            max-width: 680px;
            margin: 0 auto;
        }
        .cta-content h2 {
            font-size: 36px;
            font-weight: 800;
            margin-bottom: 14px;
        }
        .cta-content p {
            font-size: 16px;
            color: rgba(255, 255, 255, 0.75);
            margin-bottom: 28px;
        }
        /* 页脚 */
        .site-footer {
            background: var(--dark);
            color: rgba(255, 255, 255, 0.7);
            padding: 60px 0 80px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 40px;
        }
        .footer-brand .footer-logo {
            font-size: 22px;
            font-weight: 800;
            color: #fff;
            margin-bottom: 12px;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .footer-brand .footer-logo i {
            color: var(--accent);
        }
        .footer-brand p {
            font-size: 14px;
            line-height: 1.8;
            color: rgba(255, 255, 255, 0.55);
        }
        .footer-col h4 {
            font-size: 16px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 16px;
        }
        .footer-col a {
            display: block;
            padding: 5px 0;
            font-size: 14px;
            color: rgba(255, 255, 255, 0.6);
        }
        .footer-col a:hover {
            color: var(--accent);
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding-top: 24px;
            text-align: center;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.4);
        }
        /* 移动端底部Tab */
        .mobile-bottom-nav {
            display: none;
            position: fixed;
            bottom: 0;
            left: 0;
            right: 0;
            background: #fff;
            border-top: 1px solid var(--border);
            box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.08);
            z-index: 200;
            padding: 6px 0;
            padding-bottom: calc(6px + env(safe-area-inset-bottom));
        }
        .mobile-bottom-nav a {
            flex: 1;
            display: flex;
            flex-direction: column;
            align-items: center;
            padding: 6px 0;
            font-size: 11px;
            color: var(--text-muted);
        }
        .mobile-bottom-nav a i {
            font-size: 20px;
            margin-bottom: 2px;
        }
        .mobile-bottom-nav a.active {
            color: var(--primary);
        }
        .mobile-bottom-nav a.active i {
            color: var(--primary);
        }
        /* 响应式 */
        @media (max-width: 1024px) {
            .hero h1 {
                font-size: 38px;
            }
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .core-grid {
                grid-template-columns: repeat(3, 1fr);
            }
            .process-steps {
                grid-template-columns: repeat(2, 1fr);
            }
            .featured-grid {
                grid-template-columns: repeat(3, 1fr);
            }
        }
        @media (max-width: 768px) {
            .site-header {
                position: sticky;
            }
            .desktop-nav {
                display: none;
            }
            .nav-cta {
                display: none;
            }
            .mobile-toggle {
                display: block;
            }
            .mobile-bottom-nav {
                display: flex;
            }
            .section {
                padding: 52px 0;
            }
            .hero {
                min-height: 480px;
            }
            .hero h1 {
                font-size: 30px;
            }
            .hero-subtitle {
                font-size: 17px;
            }
            .hero-desc {
                font-size: 14px;
            }
            .core-grid {
                grid-template-columns: 1fr;
            }
            .cat-grid {
                grid-template-columns: 1fr;
            }
            .news-grid {
                grid-template-columns: 1fr;
            }
            .process-steps {
                grid-template-columns: 1fr 1fr;
            }
            .featured-grid {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .section-title {
                font-size: 26px;
            }
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .footer {
                padding-bottom: 80px;
            }
            .site-footer {
                padding-bottom: 100px;
            }
        }
        @media (max-width: 520px) {
            .hero {
                min-height: 420px;
            }
            .hero h1 {
                font-size: 26px;
            }
            .hero-subtitle {
                font-size: 16px;
            }
            .hero-actions {
                flex-direction: column;
                gap: 10px;
            }
            .hero-actions .btn {
                width: 100%;
                text-align: center;
            }
            .stats-grid {
                grid-template-columns: 1fr 1fr;
                gap: 12px;
            }
            .stat-item .stat-number {
                font-size: 28px;
            }
            .process-steps {
                grid-template-columns: 1fr;
            }
            .btn-lg {
                padding: 14px 28px;
                font-size: 15px;
            }
            .cat-card-img {
                height: 160px;
            }
        }
        @media (min-width: 769px) {
            .mobile-menu {
                display: none !important;
            }
        }

/* roulang page: article */
:root {
            --primary: #1e3a8a;
            --primary-dark: #172d6e;
            --primary-light: #2563eb;
            --primary-soft: #eff6ff;
            --accent: #f59e0b;
            --accent-dark: #d97706;
            --accent-soft: #fef3c7;
            --success: #10b981;
            --success-soft: #d1fae5;
            --bg: #f7f9fc;
            --white: #ffffff;
            --text: #0f172a;
            --text-light: #475569;
            --text-muted: #94a3b8;
            --border: #e2e8f0;
            --radius: 18px;
            --radius-sm: 10px;
            --radius-lg: 28px;
            --shadow-sm: 0 1px 2px rgba(15, 23, 42, 0.05);
            --shadow-md: 0 8px 20px rgba(15, 23, 42, 0.06);
            --shadow-lg: 0 24px 40px -12px rgba(15, 23, 42, 0.14);
            --container-w: 1200px;
            --header-h: 74px;
            --transition: all 0.3s cubic-bezier(.4, 0, .2, 1);
            --font: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
        }
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: var(--font);
            font-size: 16px;
            line-height: 1.7;
            color: var(--text);
            background: var(--bg);
            -webkit-font-smoothing: antialiased;
            padding-bottom: 0;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: var(--radius-sm);
        }
        a {
            color: inherit;
            text-decoration: none;
            transition: var(--transition);
        }
        button,
        input,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
            border: none;
            outline: none;
        }
        ul,
        ol {
            list-style: none;
        }
        .container {
            max-width: var(--container-w);
            margin: 0 auto;
            padding: 0 24px;
        }
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            height: var(--header-h);
            background: rgba(255, 255, 255, .88);
            -webkit-backdrop-filter: blur(14px);
            backdrop-filter: blur(14px);
            border-bottom: 1px solid rgba(226, 232, 240, .8);
            transition: var(--transition);
        }
        .site-header.is-scrolled {
            box-shadow: 0 4px 20px rgba(15, 23, 42, .06);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: var(--header-h);
            gap: 20px;
        }
        .nav-logo {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            font-size: 22px;
            font-weight: 800;
            color: var(--primary);
            letter-spacing: -0.3px;
            white-space: nowrap;
        }
        .nav-logo i {
            font-size: 22px;
            color: var(--accent);
            background: var(--accent-soft);
            width: 38px;
            height: 38px;
            border-radius: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
        }
        .desktop-nav {
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .desktop-nav .nav-link {
            padding: 9px 18px;
            border-radius: 999px;
            font-size: 15px;
            font-weight: 600;
            color: var(--text-light);
            transition: var(--transition);
        }
        .desktop-nav .nav-link:hover {
            color: var(--primary);
            background: var(--primary-soft);
        }
        .desktop-nav .nav-link.active {
            color: var(--primary);
            background: var(--primary-soft);
            font-weight: 700;
        }
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            border-radius: 999px;
            font-weight: 700;
            font-size: 15px;
            line-height: 1;
            padding: 14px 28px;
            transition: var(--transition);
            cursor: pointer;
            border: 1px solid transparent;
            text-align: center;
        }
        .btn-primary {
            background: var(--primary);
            color: #fff;
        }
        .btn-primary:hover {
            background: var(--primary-dark);
            transform: translateY(-2px);
            box-shadow: 0 10px 20px -6px rgba(30, 58, 138, .4);
        }
        .btn-accent {
            background: var(--accent);
            color: #fff;
        }
        .btn-accent:hover {
            background: var(--accent-dark);
            transform: translateY(-2px);
            box-shadow: 0 10px 20px -6px rgba(245, 158, 11, .45);
        }
        .btn-light {
            background: #fff;
            color: var(--primary);
            border-color: rgba(255, 255, 255, .4);
        }
        .btn-light:hover {
            background: var(--primary-soft);
            transform: translateY(-2px);
            box-shadow: 0 10px 20px -8px rgba(0, 0, 0, .2);
        }
        .btn-outline {
            background: transparent;
            color: var(--primary);
            border: 1.5px solid var(--primary);
        }
        .btn-outline:hover {
            background: var(--primary);
            color: #fff;
            box-shadow: 0 10px 20px -8px rgba(30, 58, 138, .35);
        }
        .btn:focus-visible,
        .nav-link:focus-visible,
        .faq-item button:focus-visible {
            outline: 3px solid rgba(37, 99, 235, .4);
            outline-offset: 2px;
        }
        .nav-cta {
            padding: 11px 22px;
            font-size: 14px;
            flex-shrink: 0;
        }
        .mobile-toggle {
            display: none;
            background: var(--primary-soft);
            color: var(--primary);
            width: 44px;
            height: 44px;
            border-radius: 12px;
            font-size: 18px;
            cursor: pointer;
            align-items: center;
            justify-content: center;
            border: none;
        }
        .mobile-toggle:hover {
            background: var(--accent-soft);
            color: var(--accent);
        }

        /* ===== 移动端底部Tab导航 ===== */
        .mobile-tabbar {
            position: fixed;
            bottom: 0;
            left: 0;
            right: 0;
            z-index: 1200;
            display: none;
            background: rgba(255, 255, 255, .94);
            -webkit-backdrop-filter: blur(12px);
            backdrop-filter: blur(12px);
            border-top: 1px solid var(--border);
            box-shadow: 0 -4px 20px rgba(15, 23, 42, .05);
            padding: 8px 12px calc(8px + env(safe-area-inset-bottom));
            justify-content: space-around;
        }
        .tab-item {
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 4px;
            padding: 8px 12px;
            border-radius: 14px;
            font-size: 12px;
            font-weight: 600;
            color: var(--text-muted);
            transition: var(--transition);
            min-width: 64px;
        }
        .tab-item i {
            font-size: 20px;
            transition: var(--transition);
        }
        .tab-item:hover,
        .tab-item.active {
            color: var(--primary);
            background: var(--primary-soft);
        }
        .tab-item.active i {
            transform: translateY(-1px);
        }

        /* ===== 移动端抽屉 ===== */
        .mobile-drawer {
            position: fixed;
            top: var(--header-h);
            right: -100%;
            width: 280px;
            max-width: 85vw;
            height: calc(100vh - var(--header-h));
            background: #fff;
            z-index: 1100;
            box-shadow: -8px 0 30px rgba(15, 23, 42, .1);
            padding: 24px;
            display: flex;
            flex-direction: column;
            gap: 8px;
            transition: right .3s cubic-bezier(.4, 0, .2, 1);
        }
        .mobile-drawer.open {
            right: 0;
        }
        .mobile-drawer a {
            padding: 12px 16px;
            border-radius: 12px;
            font-weight: 600;
            color: var(--text-light);
            font-size: 15px;
            display: flex;
            align-items: center;
            gap: 12px;
        }
        .mobile-drawer a:hover,
        .mobile-drawer a.active {
            color: var(--primary);
            background: var(--primary-soft);
        }
        .drawer-backdrop {
            position: fixed;
            inset: var(--header-h) 0 0 0;
            background: rgba(15, 23, 42, .4);
            z-index: 1050;
            opacity: 0;
            pointer-events: none;
            transition: var(--transition);
        }
        .drawer-backdrop.show {
            opacity: 1;
            pointer-events: auto;
        }

        /* ===== 文章Hero ===== */
        .article-banner {
            position: relative;
            padding: calc(var(--header-h) + 72px) 0 72px;
            margin-top: 0;
            color: #fff;
            overflow: hidden;
        }
        .banner-bg {
            position: absolute;
            inset: 0;
            background-size: cover;
            background-position: center;
            z-index: 0;
        }
        .banner-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(15, 23, 42, .72), rgba(15, 23, 42, .58) 50%, rgba(15, 23, 42, .74));
            z-index: 1;
        }
        .banner-content {
            position: relative;
            z-index: 2;
            max-width: 860px;
        }
        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 14px;
            color: rgba(255, 255, 255, .78);
            margin-bottom: 24px;
        }
        .breadcrumb a {
            color: rgba(255, 255, 255, .75);
            font-weight: 500;
        }
        .breadcrumb a:hover {
            color: #fff;
            text-decoration: underline;
        }
        .breadcrumb i {
            font-size: 12px;
            color: rgba(255, 255, 255, .5);
        }
        .article-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(255, 255, 255, .16);
            border: 1px solid rgba(255, 255, 255, .25);
            color: #fff;
            font-size: 13px;
            font-weight: 600;
            padding: 7px 16px;
            border-radius: 999px;
            margin-bottom: 18px;
        }
        .article-badge i {
            color: var(--accent);
        }
        .article-title {
            font-size: 40px;
            line-height: 1.3;
            font-weight: 800;
            letter-spacing: -.5px;
            margin-bottom: 22px;
            color: #fff;
            text-shadow: 0 2px 20px rgba(0, 0, 0, .2);
        }
        .article-meta-list {
            display: flex;
            flex-wrap: wrap;
            gap: 14px 28px;
            font-size: 14px;
            color: rgba(255, 255, 255, .78);
        }
        .meta-item {
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }
        .meta-item i {
            color: var(--accent);
        }

        /* ===== 文章正文区 ===== */
        .article-section {
            padding: 56px 0 72px;
        }
        .article-layout {
            max-width: 900px;
            margin: 0 auto;
        }
        .article-main-card {
            background: #fff;
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-md);
            padding: 48px;
            border: 1px solid rgba(226, 232, 240, .6);
        }
        .article-body {
            font-size: 16.5px;
            line-height: 1.9;
            color: var(--text-light);
        }
        .article-body h2 {
            font-size: 27px;
            font-weight: 800;
            color: var(--text);
            margin: 40px 0 16px;
            letter-spacing: -.3px;
        }
        .article-body h3 {
            font-size: 21px;
            font-weight: 700;
            color: var(--text);
            margin: 28px 0 12px;
        }
        .article-body p {
            margin: 0 0 20px;
        }
        .article-body img {
            border-radius: 14px;
            margin: 24px 0;
            box-shadow: var(--shadow-md);
        }
        .article-body ul {
            list-style: disc;
            padding-left: 26px;
            margin: 0 0 20px;
        }
        .article-body ol {
            list-style: decimal;
            padding-left: 26px;
            margin: 0 0 20px;
        }
        .article-body li {
            margin-bottom: 8px;
        }
        .article-body blockquote {
            border-left: 4px solid var(--primary-light);
            background: var(--primary-soft);
            padding: 16px 22px;
            border-radius: 0 14px 14px 0;
            margin: 24px 0;
            color: var(--text);
            font-weight: 500;
        }
        .article-body a {
            color: var(--primary-light);
            text-decoration: underline;
            text-underline-offset: 3px;
        }
        .article-body a:hover {
            color: var(--primary);
        }
        .article-body code {
            background: var(--primary-soft);
            color: var(--primary);
            padding: 2px 8px;
            border-radius: 6px;
            font-size: .92em;
        }
        .article-body pre {
            background: #0f172a;
            color: #e2e8f0;
            padding: 20px;
            border-radius: 14px;
            overflow-x: auto;
            margin: 24px 0;
            font-size: 14px;
            line-height: 1.7;
        }

        /* ===== 分享 ===== */
        .article-share {
            display: flex;
            align-items: center;
            gap: 16px;
            padding-top: 28px;
            margin-top: 36px;
            border-top: 1px solid var(--border);
            flex-wrap: wrap;
        }
        .share-label {
            font-size: 14px;
            font-weight: 600;
            color: var(--text-muted);
        }
        .share-icons {
            display: flex;
            gap: 10px;
        }
        .share-btn {
            width: 40px;
            height: 40px;
            border-radius: 12px;
            background: var(--bg);
            color: var(--text-light);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 15px;
            transition: var(--transition);
        }
        .share-btn:hover {
            background: var(--primary);
            color: #fff;
            transform: translateY(-3px);
            box-shadow: 0 8px 16px -4px rgba(30, 58, 138, .35);
        }

        /* ===== 未找到区域 ===== */
        .not-found {
            text-align: center;
            padding: 48px 20px;
        }
        .not-found-icon {
            width: 96px;
            height: 96px;
            border-radius: 30px;
            background: var(--primary-soft);
            color: var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 38px;
            margin: 0 auto 24px;
        }
        .not-found h2 {
            font-size: 30px;
            font-weight: 800;
            margin-bottom: 12px;
            color: var(--text);
        }
        .not-found p {
            color: var(--text-light);
            margin-bottom: 28px;
            font-size: 15px;
        }

        /* ===== 相关资讯 ===== */
        .related-section {
            padding: 64px 0;
            background: var(--white);
            border-top: 1px solid var(--border);
        }
        .section-header {
            display: flex;
            align-items: flex-end;
            justify-content: space-between;
            gap: 20px;
            margin-bottom: 36px;
        }
        .section-header h2 {
            font-size: 30px;
            font-weight: 800;
            letter-spacing: -.4px;
            color: var(--text);
        }
        .section-header p {
            color: var(--text-muted);
            font-size: 15px;
            margin-top: 8px;
        }
        .section-more {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            font-weight: 600;
            color: var(--primary);
        }
        .section-more:hover {
            gap: 12px;
            color: var(--primary-dark);
        }
        .related-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 26px;
        }
        .related-card {
            background: var(--bg);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            padding: 28px;
            transition: var(--transition);
            display: flex;
            flex-direction: column;
            height: 100%;
        }
        .related-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-lg);
            border-color: transparent;
            background: #fff;
        }
        .related-card .badge {
            display: inline-flex;
            align-items: center;
            background: var(--primary-soft);
            color: var(--primary);
            font-size: 12px;
            font-weight: 700;
            padding: 5px 14px;
            border-radius: 999px;
            margin-bottom: 16px;
            align-self: flex-start;
        }
        .related-card h3 {
            font-size: 16.5px;
            font-weight: 700;
            line-height: 1.5;
            color: var(--text);
            margin-bottom: 10px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            transition: var(--transition);
        }
        .related-card:hover h3 {
            color: var(--primary);
        }
        .related-card p {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.7;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            flex-grow: 1;
        }
        .related-card-meta {
            margin-top: 16px;
            font-size: 13px;
            color: var(--text-muted);
            display: flex;
            align-items: center;
            gap: 8px;
        }

        /* ===== 指南 CTA ===== */
        .guide-cta {
            padding: 72px 0;
            background: linear-gradient(135deg, #f0f7ff, #fff 60%, #fef9e7);
        }
        .guide-cta-card {
            background: var(--primary);
            border-radius: var(--radius-lg);
            padding: 44px;
            display: flex;
            align-items: center;
            gap: 28px;
            color: #fff;
            box-shadow: var(--shadow-lg);
            background-image: linear-gradient(120deg, #1e3a8a 0%, #2563eb 60%, #3b82f6 100%);
            flex-wrap: wrap;
        }
        .guide-cta-icon {
            width: 64px;
            height: 64px;
            border-radius: 20px;
            background: rgba(255, 255, 255, .15);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 26px;
            flex-shrink: 0;
        }
        .guide-cta-content {
            flex: 1;
            min-width: 240px;
        }
        .guide-cta-content h2 {
            font-size: 22px;
            font-weight: 800;
            margin-bottom: 6px;
        }
        .guide-cta-content p {
            font-size: 15px;
            color: rgba(255, 255, 255, .82);
            line-height: 1.6;
        }

        /* ===== FAQ ===== */
        .faq-section {
            padding: 72px 0;
            background: var(--bg);
        }
        .faq-list {
            max-width: 820px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 16px;
        }
        .faq-item {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius);
            padding: 26px 30px;
            transition: var(--transition);
        }
        .faq-item:hover {
            border-color: #c7d2fe;
            box-shadow: var(--shadow-md);
        }
        .faq-item h3 {
            font-size: 16.5px;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 10px;
            display: flex;
            align-items: center;
            gap: 12px;
        }
        .faq-item h3::before {
            content: '';
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: var(--accent);
            flex-shrink: 0;
        }
        .faq-item p {
            font-size: 14.5px;
            color: var(--text-light);
            line-height: 1.75;
            padding-left: 20px;
        }

        /* ===== 底部 CTA ===== */
        .bottom-cta {
            position: relative;
            padding: 84px 0;
            background-size: cover;
            background-position: center;
            text-align: center;
            color: #fff;
        }
        .bottom-cta::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(30, 58, 138, .9), rgba(37, 99, 235, .75));
            z-index: 1;
        }
        .bottom-cta-inner {
            position: relative;
            z-index: 2;
            max-width: 640px;
        }
        .bottom-cta h2 {
            font-size: 32px;
            font-weight: 800;
            letter-spacing: -.5px;
            margin-bottom: 14px;
        }
        .bottom-cta p {
            font-size: 16px;
            color: rgba(255, 255, 255, .85);
            margin-bottom: 30px;
        }
        .cta-form {
            display: flex;
            gap: 12px;
            max-width: 460px;
            margin: 0 auto;
            flex-wrap: wrap;
            justify-content: center;
        }
        .cta-form input {
            flex: 1;
            min-width: 200px;
            border-radius: 999px;
            padding: 14px 24px;
            border: 1px solid rgba(255, 255, 255, .3);
            background: rgba(255, 255, 255, .12);
            color: #fff;
            font-size: 15px;
            -webkit-backdrop-filter: blur(8px);
            backdrop-filter: blur(8px);
        }
        .cta-form input::placeholder {
            color: rgba(255, 255, 255, .65);
        }
        .cta-form input:focus {
            background: rgba(255, 255, 255, .2);
            border-color: rgba(255, 255, 255, .6);
        }

        /* ===== 页脚 ===== */
        .site-footer {
            background: #0b1526;
            color: #94a3b8;
            padding: 68px 0 28px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.6fr 1fr 1fr;
            gap: 48px;
            margin-bottom: 48px;
        }
        .footer-brand .footer-logo {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            font-size: 20px;
            font-weight: 800;
            color: #fff;
            margin-bottom: 16px;
        }
        .footer-brand .footer-logo i {
            color: var(--accent);
            background: rgba(255, 255, 255, .08);
            width: 38px;
            height: 38px;
            border-radius: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
        }
        .footer-brand p {
            font-size: 14px;
            line-height: 1.9;
            color: #64748b;
            max-width: 380px;
        }
        .footer-col h4 {
            font-size: 15px;
            font-weight: 700;
            color: #f1f5f9;
            margin-bottom: 18px;
        }
        .footer-col a {
            display: block;
            font-size: 14px;
            color: #64748b;
            padding: 5px 0;
            transition: var(--transition);
        }
        .footer-col a:hover {
            color: #fff;
            padding-left: 6px;
        }
        .footer-bottom {
            border-top: 1px solid rgba(148, 163, 184, .12);
            padding-top: 24px;
            text-align: center;
            font-size: 13px;
            color: #64748b;
        }

        /* ===== 响应式 ===== */
        @media (max-width: 1024px) {
            .desktop-nav {
                display: none;
            }
            .nav-cta {
                display: none;
            }
            .mobile-toggle {
                display: flex;
            }
            .mobile-tabbar {
                display: flex;
            }
            body {
                padding-bottom: 68px;
            }
            .related-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 768px) {
            .article-banner {
                padding: calc(var(--header-h) + 48px) 0 52px;
            }
            .article-title {
                font-size: 30px;
            }
            .article-main-card {
                padding: 32px 24px;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 36px;
            }
            .footer-brand {
                grid-column: 1 / -1;
            }
            .bottom-cta {
                padding: 64px 0;
            }
            .bottom-cta h2 {
                font-size: 26px;
            }
            .guide-cta-card {
                padding: 32px 28px;
                flex-direction: column;
                text-align: center;
            }
            .guide-cta-icon {
                margin: 0 auto;
            }
            .related-grid {
                grid-template-columns: 1fr;
                gap: 18px;
            }
        }
        @media (max-width: 520px) {
            .container {
                padding: 0 18px;
            }
            .nav-logo {
                font-size: 18px;
            }
            .nav-logo i {
                width: 32px;
                height: 32px;
                font-size: 16px;
            }
            .article-title {
                font-size: 24px;
            }
            .article-meta-list {
                flex-direction: column;
                gap: 8px;
            }
            .article-section {
                padding: 40px 0;
            }
            .article-main-card {
                padding: 24px 18px;
                border-radius: 18px;
            }
            .article-body {
                font-size: 15.5px;
            }
            .article-body h2 {
                font-size: 22px;
            }
            .related-section {
                padding: 48px 0;
            }
            .section-header h2 {
                font-size: 24px;
            }
            .bottom-cta {
                padding: 52px 0;
            }
            .cta-form {
                flex-direction: column;
                align-items: stretch;
            }
            .guide-cta {
                padding: 48px 0;
            }
            .faq-item {
                padding: 20px 18px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            .footer-bottom {
                font-size: 12px;
            }
            .tab-item span {
                font-size: 11px;
            }
        }
        @media (min-width: 1025px) {
            .mobile-tabbar {
                display: none !important;
            }
            .mobile-drawer {
                display: none !important;
            }
        }

/* roulang page: category1 */
/* ========== 1. 设计变量 ========== */
    :root {
        --primary: #0b1e3d;
        --primary-2: #11305f;
        --primary-3: #1a4378;
        --accent: #eaa93f;
        --accent-2: #ffc966;
        --accent-dark: #c98a2b;
        --bg-light: #f4f7fb;
        --bg-white: #ffffff;
        --bg-dark: #0a182f;
        --text-main: #17233b;
        --text-secondary: #5c6a82;
        --text-weak: #8b98ae;
        --border: #e3e9f2;
        --radius-sm: 10px;
        --radius: 16px;
        --radius-lg: 24px;
        --shadow-sm: 0 4px 14px rgba(11,30,61,.06);
        --shadow-md: 0 10px 30px rgba(11,30,61,.10);
        --shadow-lg: 0 22px 55px rgba(11,30,61,.14);
        --space-section: 96px;
        --max-width: 1200px;
        --transition: all .25s ease;
    }

    /* ========== 2. 基础 Reset & Base ========== */
    *, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
    html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
    body {
        font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
        font-size: 16px;
        line-height: 1.7;
        color: var(--text-main);
        background: var(--bg-light);
        -webkit-font-smoothing: antialiased;
        padding-bottom: 0;
    }
    @media (max-width: 767px) {
        body { padding-bottom: 68px; }
    }
    img { max-width: 100%; display: block; }
    a { color: inherit; text-decoration: none; transition: var(--transition); }
    button { font-family: inherit; border: none; cursor: pointer; background: none; }
    ul, ol { list-style: none; }

    /* ========== 3. 通用容器与按钮 ========== */
    .container {
        max-width: var(--max-width);
        margin: 0 auto;
        padding: 0 24px;
    }
    .section { padding: var(--space-section) 0; position: relative; }
    .section-head { max-width: 680px; margin: 0 auto 52px; text-align: center; }
    .section-tag {
        display: inline-flex;
        align-items: center;
        gap: 6px;
        padding: 6px 14px;
        font-size: 13px;
        font-weight: 600;
        letter-spacing: .06em;
        color: var(--accent-dark);
        background: rgba(234,169,63,.12);
        border: 1px solid rgba(234,169,63,.28);
        border-radius: 999px;
        margin-bottom: 18px;
    }
    .section-head h2 {
        font-size: 34px;
        font-weight: 800;
        line-height: 1.25;
        color: var(--primary);
        margin-bottom: 14px;
        letter-spacing: -.01em;
    }
    .section-head p { font-size: 16px; color: var(--text-secondary); }
    .section-head.light h2 { color: #fff; }
    .section-head.light p { color: rgba(255,255,255,.72); }
    .section-tag.light {
        color: var(--accent-2);
        background: rgba(255,255,255,.12);
        border-color: rgba(255,255,255,.25);
    }
    .section-foot { text-align: center; margin-top: 40px; }

    .btn {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        gap: 8px;
        padding: 12px 26px;
        font-size: 15px;
        font-weight: 600;
        border-radius: 999px;
        border: 1px solid transparent;
        transition: var(--transition);
        white-space: nowrap;
    }
    .btn i { font-size: 14px; }
    .btn-primary { background: var(--primary); color: #fff; box-shadow: 0 8px 20px rgba(11,30,61,.24); }
    .btn-primary:hover { background: var(--primary-3); transform: translateY(-2px); box-shadow: 0 12px 28px rgba(11,30,61,.30); }
    .btn-outline { background: transparent; border-color: rgba(255,255,255,.5); color: #fff; }
    .btn-outline:hover { background: rgba(255,255,255,.12); border-color: #fff; transform: translateY(-2px); }
    .btn-accent { background: var(--accent); color: #111; box-shadow: 0 8px 24px rgba(234,169,63,.36); }
    .btn-accent:hover { background: var(--accent-2); transform: translateY(-2px); }
    .btn-ghost { background: rgba(255,255,255,.10); border-color: rgba(255,255,255,.25); color: #fff; }
    .btn-ghost:hover { background: rgba(255,255,255,.18); transform: translateY(-2px); }
    .btn-lg { padding: 14px 32px; font-size: 16px; }
    .btn:focus-visible, .nav-link:focus-visible, a:focus-visible, button:focus-visible, summary:focus-visible {
        outline: 3px solid rgba(234,169,63,.55);
        outline-offset: 2px;
    }
    .text-link {
        display: inline-flex;
        align-items: center;
        gap: 6px;
        font-size: 14px;
        font-weight: 600;
        color: var(--primary);
    }
    .text-link i { transition: transform .25s ease; font-size: 13px; }
    .text-link:hover { color: var(--accent-dark); }
    .text-link:hover i { transform: translateX(4px); }

    /* ========== 4. 网站头部导航 ========== */
    .site-header {
        position: sticky;
        top: 0;
        z-index: 1000;
        background: rgba(255,255,255,.88);
        backdrop-filter: blur(16px);
        -webkit-backdrop-filter: blur(16px);
        border-bottom: 1px solid var(--border);
        box-shadow: var(--shadow-sm);
    }
    .header-inner {
        display: flex;
        align-items: center;
        justify-content: space-between;
        gap: 24px;
        min-height: 72px;
    }
    .nav-logo {
        display: inline-flex;
        align-items: center;
        gap: 10px;
        font-size: 20px;
        font-weight: 800;
        color: var(--primary);
        letter-spacing: .02em;
    }
    .nav-logo i {
        display: flex;
        align-items: center;
        justify-content: center;
        width: 38px;
        height: 38px;
        border-radius: 12px;
        background: linear-gradient(135deg, var(--primary-2), var(--primary));
        color: #fff;
        font-size: 17px;
        box-shadow: 0 8px 18px rgba(11,30,61,.22);
    }
    .desktop-nav {
        display: flex;
        align-items: center;
        gap: 6px;
    }
    .nav-link {
        position: relative;
        display: inline-block;
        padding: 9px 18px;
        font-size: 15px;
        font-weight: 500;
        color: var(--text-secondary);
        border-radius: 999px;
        transition: var(--transition);
    }
    .nav-link:hover { color: var(--primary); background: rgba(11,30,61,.06); }
    .nav-link.active { color: var(--primary); font-weight: 600; background: rgba(11,30,61,.08); }
    .nav-link.active::after {
        content: "";
        position: absolute;
        left: 50%;
        bottom: 2px;
        transform: translateX(-50%);
        width: 18px;
        height: 3px;
        border-radius: 3px;
        background: var(--accent);
    }
    .nav-cta { margin-left: 10px; }
    .mobile-toggle { display: none; font-size: 22px; color: var(--primary); width: 42px; height: 42px; border-radius: 10px; align-items: center; justify-content: center; }

    /* ========== 5. 移动端底部 Tab ========== */
    .mobile-bottom-tabs {
        display: none;
        position: fixed;
        bottom: 0;
        left: 0;
        right: 0;
        z-index: 1200;
        background: rgba(255,255,255,.94);
        backdrop-filter: blur(16px);
        -webkit-backdrop-filter: blur(16px);
        border-top: 1px solid var(--border);
        box-shadow: 0 -4px 20px rgba(11,30,61,.08);
        padding: 6px 12px calc(6px + env(safe-area-inset-bottom));
        justify-content: space-around;
    }
    .mobile-tab {
        display: flex;
        flex-direction: column;
        align-items: center;
        gap: 3px;
        padding: 6px 14px;
        font-size: 12px;
        font-weight: 500;
        color: var(--text-secondary);
        border-radius: 14px;
        transition: var(--transition);
    }
    .mobile-tab i { font-size: 19px; }
    .mobile-tab.active { color: var(--primary); background: rgba(11,30,61,.05); font-weight: 600; }
    .mobile-tab:active { transform: scale(.94); }

    /* ========== 6. 分类页 Hero ========== */
    .category-hero {
        position: relative;
        padding: 130px 0 100px;
        background-size: cover;
        background-position: center;
        color: #fff;
        text-align: center;
        isolation: isolate;
    }
    .category-hero::before {
        content: "";
        position: absolute;
        inset: 0;
        z-index: -1;
        background: linear-gradient(120deg, rgba(8,18,36,.92) 0%, rgba(11,30,61,.78) 50%, rgba(15,38,72,.85) 100%);
    }
    .hero-inner { max-width: 780px; margin: 0 auto; }
    .hero-badge {
        display: inline-flex;
        align-items: center;
        gap: 8px;
        padding: 8px 18px;
        font-size: 13px;
        font-weight: 600;
        letter-spacing: .05em;
        color: var(--accent-2);
        background: rgba(255,255,255,.12);
        border: 1px solid rgba(255,255,255,.22);
        border-radius: 999px;
        margin-bottom: 24px;
    }
    .category-hero h1 {
        font-size: 46px;
        font-weight: 800;
        line-height: 1.22;
        margin-bottom: 20px;
        letter-spacing: -.02em;
    }
    .category-hero h1 span { color: var(--accent-2); }
    .category-hero p {
        font-size: 17px;
        line-height: 1.8;
        color: rgba(255,255,255,.78);
        margin-bottom: 36px;
    }
    .hero-actions {
        display: flex;
        gap: 16px;
        justify-content: center;
        flex-wrap: wrap;
    }

    /* ========== 7. 数据条 ========== */
    .stats-strip {
        background: var(--bg-white);
        border-bottom: 1px solid var(--border);
        padding: 40px 0;
    }
    .stats-row {
        display: flex;
        justify-content: space-between;
        flex-wrap: wrap;
        gap: 24px;
    }
    .stat-item {
        flex: 1;
        text-align: center;
        min-width: 140px;
        position: relative;
    }
    .stat-item + .stat-item::before {
        content: "";
        position: absolute;
        left: -12px;
        top: 50%;
        transform: translateY(-50%);
        width: 1px;
        height: 42px;
        background: var(--border);
    }
    .stat-item span {
        display: block;
        font-size: 30px;
        font-weight: 800;
        color: var(--primary);
        margin-bottom: 4px;
        letter-spacing: -.01em;
    }
    .stat-item p { font-size: 14px; color: var(--text-secondary); }

    /* ========== 8. 入口卡片 ========== */
    .entry-section { background: var(--bg-white); }
    .entry-grid { row-gap: 28px; }
    .entry-card {
        height: 100%;
        padding: 38px 30px;
        background: var(--bg-white);
        border: 1px solid var(--border);
        border-radius: var(--radius-lg);
        box-shadow: var(--shadow-sm);
        transition: var(--transition);
        position: relative;
        overflow: hidden;
    }
    .entry-card::after {
        content: "";
        position: absolute;
        right: -40px;
        bottom: -40px;
        width: 120px;
        height: 120px;
        border-radius: 50%;
        background: linear-gradient(135deg, rgba(234,169,63,.10), rgba(11,30,61,.05));
        transition: var(--transition);
    }
    .entry-card:hover {
        transform: translateY(-6px);
        box-shadow: var(--shadow-md);
        border-color: rgba(11,30,61,.14);
    }
    .entry-card:hover::after { transform: scale(1.4); }
    .entry-icon {
        display: flex;
        align-items: center;
        justify-content: center;
        width: 64px;
        height: 64px;
        border-radius: 18px;
        font-size: 24px;
        color: var(--primary);
        background: linear-gradient(135deg, rgba(11,30,61,.06), rgba(11,30,61,.10));
        margin-bottom: 22px;
    }
    .entry-tags { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 14px; }
    .entry-tags span {
        padding: 4px 12px;
        font-size: 12px;
        font-weight: 600;
        color: var(--accent-dark);
        background: rgba(234,169,63,.10);
        border: 1px solid rgba(234,169,63,.24);
        border-radius: 999px;
    }
    .entry-card h3 { font-size: 20px; font-weight: 700; color: var(--primary); margin-bottom: 10px; }
    .entry-card p { font-size: 15px; color: var(--text-secondary); line-height: 1.75; margin-bottom: 18px; }

    /* ========== 9. 使用流程 ========== */
    .steps-section {
        background: linear-gradient(135deg, var(--bg-dark) 0%, var(--primary-2) 100%);
        color: #fff;
        position: relative;
        overflow: hidden;
    }
    .steps-section::before {
        content: "";
        position: absolute;
        top: -100px;
        right: -80px;
        width: 300px;
        height: 300px;
        border-radius: 50%;
        border: 1px solid rgba(255,255,255,.10);
        background: rgba(255,255,255,.04);
    }
    .steps-grid {
        display: grid;
        grid-template-columns: repeat(4, 1fr);
        gap: 24px;
        position: relative;
        z-index: 1;
    }
    .step-item {
        padding: 34px 26px;
        background: rgba(255,255,255,.07);
        border: 1px solid rgba(255,255,255,.14);
        border-radius: var(--radius-lg);
        backdrop-filter: blur(10px);
        transition: var(--transition);
    }
    .step-item:hover {
        background: rgba(255,255,255,.12);
        transform: translateY(-4px);
        border-color: rgba(255,255,255,.22);
    }
    .step-num {
        font-size: 34px;
        font-weight: 900;
        color: var(--accent);
        margin-bottom: 14px;
        line-height: 1;
        font-family: Georgia, "Times New Roman", serif;
    }
    .step-item h3 { font-size: 18px; font-weight: 700; margin-bottom: 8px; }
    .step-item p { font-size: 14px; line-height: 1.7; color: rgba(255,255,255,.72); }

    /* ========== 10. 功能优势 ========== */
    .features-section { background: var(--bg-white); }
    .feature-grid { row-gap: 24px; }
    .feature-item {
        height: 100%;
        padding: 30px 28px;
        border-radius: var(--radius);
        border: 1px solid var(--border);
        background: var(--bg-light);
        transition: var(--transition);
    }
    .feature-item:hover {
        background: var(--bg-white);
        box-shadow: var(--shadow-sm);
        transform: translateY(-3px);
        border-color: rgba(11,30,61,.14);
    }
    .feature-item i { font-size: 26px; color: var(--accent-dark); margin-bottom: 16px; }
    .feature-item h3 { font-size: 17px; font-weight: 700; color: var(--primary); margin-bottom: 8px; }
    .feature-item p { font-size: 14px; color: var(--text-secondary); line-height: 1.7; }

    /* ========== 11. 内容列表 ========== */
    .content-section { background: var(--bg-light); }
    .content-list {
        display: flex;
        flex-direction: column;
        gap: 24px;
        max-width: 920px;
        margin: 0 auto;
    }
    .content-card {
        display: flex;
        align-items: center;
        background: var(--bg-white);
        border: 1px solid var(--border);
        border-radius: var(--radius-lg);
        overflow: hidden;
        box-shadow: var(--shadow-sm);
        transition: var(--transition);
    }
    .content-card:hover {
        box-shadow: var(--shadow-md);
        transform: translateY(-3px);
        border-color: rgba(11,30,61,.15);
    }
    .content-thumb {
        width: 180px;
        height: 120px;
        flex-shrink: 0;
        overflow: hidden;
    }
    .content-thumb img {
        width: 100%;
        height: 100%;
        object-fit: cover;
        transition: transform .5s ease;
    }
    .content-card:hover .content-thumb img { transform: scale(1.06); }
    .content-info { padding: 20px 26px; flex: 1; }
    .content-tag {
        display: inline-block;
        padding: 4px 12px;
        font-size: 12px;
        font-weight: 600;
        color: var(--primary);
        background: rgba(11,30,61,.08);
        border-radius: 999px;
        margin-bottom: 10px;
    }
    .content-info h3 {
        font-size: 18px;
        font-weight: 700;
        color: var(--primary);
        line-height: 1.4;
        margin-bottom: 8px;
    }
    .content-info p {
        font-size: 14px;
        color: var(--text-secondary);
        line-height: 1.7;
        margin-bottom: 12px;
        display: -webkit-box;
        -webkit-line-clamp: 2;
        -webkit-box-orient: vertical;
        overflow: hidden;
    }
    .content-meta {
        font-size: 13px;
        color: var(--text-weak);
        display: flex;
        align-items: center;
        gap: 6px;
    }

    /* ========== 12. FAQ ========== */
    .faq-section { background: var(--bg-white); }
    .faq-list {
        max-width: 780px;
        margin: 0 auto;
        display: flex;
        flex-direction: column;
        gap: 16px;
    }
    .faq-item {
        background: var(--bg-light);
        border: 1px solid var(--border);
        border-radius: var(--radius);
        overflow: hidden;
        transition: var(--transition);
    }
    .faq-item[open] {
        box-shadow: var(--shadow-sm);
        border-color: rgba(234,169,63,.4);
    }
    .faq-item summary {
        cursor: pointer;
        padding: 20px 24px;
        font-size: 16px;
        font-weight: 600;
        color: var(--primary);
        list-style: none;
        display: flex;
        align-items: center;
        justify-content: space-between;
        gap: 16px;
        transition: var(--transition);
    }
    .faq-item summary::-webkit-details-marker { display: none; }
    .faq-item summary::after {
        content: "\f078";
        font-family: "Font Awesome 6 Free";
        font-weight: 900;
        font-size: 14px;
        color: var(--accent-dark);
        transition: transform .3s ease;
        flex-shrink: 0;
    }
    .faq-item[open] summary::after { transform: rotate(180deg); }
    .faq-item summary:hover { background: rgba(11,30,61,.04); }
    .faq-item p {
        padding: 18px 24px 22px;
        font-size: 15px;
        color: var(--text-secondary);
        line-height: 1.8;
        border-top: 1px solid var(--border);
    }

    /* ========== 13. CTA ========== */
    .cta-section { background: var(--bg-light); padding-top: 20px; }
    .cta-box {
        display: flex;
        align-items: center;
        justify-content: space-between;
        gap: 32px;
        padding: 48px 52px;
        background: linear-gradient(120deg, var(--primary) 0%, var(--primary-2) 60%, var(--primary-3) 100%);
        border-radius: var(--radius-lg);
        box-shadow: var(--shadow-lg);
        position: relative;
        overflow: hidden;
    }
    .cta-box::before {
        content: "";
        position: absolute;
        top: -60%;
        right: -10%;
        width: 320px;
        height: 320px;
        border-radius: 50%;
        border: 1px solid rgba(255,255,255,.12);
        background: rgba(255,255,255,.05);
    }
    .cta-box::after {
        content: "";
        position: absolute;
        bottom: -90px;
        left: 15%;
        width: 180px;
        height: 180px;
        border-radius: 50%;
        background: rgba(234,169,63,.18);
        filter: blur(10px);
    }
    .cta-content { position: relative; z-index: 1; }
    .cta-content h2 { font-size: 28px; font-weight: 800; color: #fff; margin-bottom: 10px; }
    .cta-content p { color: rgba(255,255,255,.75); font-size: 16px; }
    .cta-actions {
        display: flex;
        gap: 14px;
        flex-shrink: 0;
        position: relative;
        z-index: 1;
        flex-wrap: wrap;
    }

    /* ========== 14. 页脚 ========== */
    .site-footer {
        background: var(--bg-dark);
        padding: 72px 0 36px;
        color: rgba(255,255,255,.7);
    }
    .footer-grid {
        display: grid;
        grid-template-columns: 1.6fr 1fr 1fr;
        gap: 56px;
        padding-bottom: 48px;
        border-bottom: 1px solid rgba(255,255,255,.12);
    }
    .footer-logo {
        display: inline-flex;
        align-items: center;
        gap: 10px;
        font-size: 20px;
        font-weight: 800;
        color: #fff;
        margin-bottom: 18px;
    }
    .footer-logo i {
        display: flex;
        align-items: center;
        justify-content: center;
        width: 38px;
        height: 38px;
        border-radius: 12px;
        background: var(--accent);
        color: var(--primary);
        font-size: 16px;
    }
    .footer-brand p { font-size: 14px; line-height: 1.8; max-width: 340px; }
    .footer-col h4 { font-size: 16px; font-weight: 700; color: #fff; margin-bottom: 16px; }
    .footer-col a {
        display: block;
        font-size: 14px;
        color: rgba(255,255,255,.68);
        padding: 6px 0;
        transition: var(--transition);
    }
    .footer-col a:hover { color: var(--accent-2); padding-left: 4px; }
    .footer-bottom {
        padding-top: 22px;
        text-align: center;
        font-size: 13px;
        color: rgba(255,255,255,.45);
    }

    /* ========== 15. 响应式断点 ========== */
    @media (max-width: 1024px) {
        :root { --space-section: 80px; }
        .category-hero h1 { font-size: 36px; }
        .steps-grid { grid-template-columns: repeat(2, 1fr); }
        .footer-grid { gap: 36px; }
        .stat-item + .stat-item::before { display: none; }
    }

    @media (max-width: 767px) {
        .desktop-nav, .nav-cta { display: none; }
        .desktop-nav {
            position: absolute;
            top: 100%;
            left: 0;
            right: 0;
            flex-direction: column;
            align-items: stretch;
            background: #fff;
            padding: 16px 20px;
            box-shadow: var(--shadow-md);
            border-bottom: 1px solid var(--border);
            gap: 6px;
        }
        .desktop-nav.open { display: flex; }
        .nav-link { padding: 13px 18px; border-radius: 12px; }
        .nav-link.active::after { display: none; }
        .mobile-toggle { display: flex; align-items: center; justify-content: center; }
        .mobile-bottom-tabs { display: flex; }
        .header-inner { min-height: 64px; }
        .nav-logo { font-size: 17px; }
        .nav-logo i { width: 34px; height: 34px; font-size: 15px; }
        .section { padding: 56px 0; }
        .section-head { margin-bottom: 36px; }
        .section-head h2 { font-size: 25px; }
        .category-hero { padding: 90px 0 64px; }
        .category-hero h1 { font-size: 28px; }
        .category-hero p { font-size: 15px; }
        .hero-actions { flex-direction: column; align-items: stretch; width: 100%; }
        .hero-actions .btn { width: 100%; }
        .stats-strip { padding: 28px 0; }
        .stat-item span { font-size: 24px; }
        .steps-grid { grid-template-columns: 1fr; gap: 16px; }
        .content-card { flex-direction: column; }
        .content-thumb { width: 100%; height: 170px; }
        .content-info { padding: 18px 20px; }
        .cta-box { flex-direction: column; align-items: flex-start; padding: 30px 24px; }
        .cta-actions { width: 100%; flex-direction: column; }
        .cta-actions .btn { width: 100%; }
        .footer-grid { grid-template-columns: 1fr; gap: 32px; padding-bottom: 32px; }
        .site-footer { padding: 48px 0 28px; }
    }

    @media (max-width: 520px) {
        .container { padding: 0 18px; }
        .grid-margin-x { margin-left: -6px; margin-right: -6px; }
        .grid-margin-x > .cell { margin-left: 6px; margin-right: 6px; }
        .entry-card { padding: 28px 22px; }
        .feature-item { padding: 24px 20px; }
        .faq-item summary { padding: 17px 18px; font-size: 15px; }
        .faq-item p { padding: 14px 18px 18px; }
        .content-card { border-radius: 14px; }
        .content-thumb { height: 140px; }
    }

/* roulang page: category2 */
:root {
            --primary: #1e3a8a;
            --primary-dark: #132c66;
            --primary-light: #3b5b9d;
            --accent: #d4af37;
            --accent-light: #e8c96a;
            --bg-light: #f4f6fb;
            --bg-white: #ffffff;
            --text-main: #1f2937;
            --text-muted: #6b7280;
            --border: #e5e7eb;
            --radius: 12px;
            --radius-lg: 20px;
            --shadow-sm: 0 2px 10px rgba(0, 0, 0, 0.04);
            --shadow-md: 0 8px 24px rgba(0, 0, 0, 0.08);
            --shadow-lg: 0 16px 40px rgba(0, 0, 0, 0.12);
            --transition: all 0.35s ease;
            --font-main: "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
        }
        * { margin: 0; padding: 0; box-sizing: border-box; }
        html { scroll-behavior: smooth; }
        body { font-family: var(--font-main); color: var(--text-main); background: var(--bg-white); line-height: 1.7; font-size: 16px; }
        img { max-width: 100%; display: block; }
        a { text-decoration: none; color: inherit; transition: var(--transition); }
        button { font-family: inherit; cursor: pointer; border: none; background: none; }
        ul, ol { list-style: none; }
        .container { max-width: 1220px; margin: 0 auto; padding: 0 28px; }
        .site-header {
            position: sticky; top: 0; z-index: 998;
            background: rgba(255, 255, 255, 0.96);
            backdrop-filter: blur(14px);
            border-bottom: 1px solid var(--border);
            box-shadow: 0 2px 16px rgba(0, 0, 0, 0.05);
        }
        .header-inner { display: flex; align-items: center; justify-content: space-between; height: 74px; }
        .nav-logo { display: flex; align-items: center; gap: 10px; font-size: 1.28rem; font-weight: 900; color: var(--primary); letter-spacing: 0.2px; }
        .nav-logo i { color: var(--accent); font-size: 1.45rem; }
        .desktop-nav { display: flex; align-items: center; gap: 6px; }
        .nav-link { padding: 9px 18px; border-radius: 10px; font-size: 0.95rem; font-weight: 600; color: var(--text-main); position: relative; }
        .nav-link:hover { background: var(--bg-light); color: var(--primary); }
        .nav-link.active { background: var(--primary); color: #fff; box-shadow: 0 4px 12px rgba(30, 58, 138, 0.2); }
        .btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; padding: 10px 22px; border-radius: 10px; font-size: 0.95rem; font-weight: 700; transition: var(--transition); border: 2px solid transparent; line-height: 1.2; }
        .btn-primary { background: var(--primary); color: #fff; }
        .btn-primary:hover { background: var(--primary-dark); transform: translateY(-2px); box-shadow: var(--shadow-md); }
        .nav-cta { padding: 8px 20px; font-size: 0.9rem; border-radius: 24px; }
        .mobile-toggle { display: none; width: 42px; height: 42px; align-items: center; justify-content: center; border-radius: 10px; background: var(--bg-light); color: var(--primary); font-size: 1.15rem; }
        .mobile-toggle:focus { outline: 2px solid rgba(30, 58, 138, 0.5); outline-offset: 2px; }
        .mobile-tabbar { display: none; position: fixed; bottom: 0; left: 0; right: 0; z-index: 997; background: #fff; border-top: 1px solid var(--border); box-shadow: 0 -6px 24px rgba(0, 0, 0, 0.06); padding: 4px 8px; }
        .mobile-tabbar .tab-item { flex: 1; display: flex; flex-direction: column; align-items: center; gap: 2px; padding: 8px 0 10px; color: var(--text-muted); font-size: 0.72rem; font-weight: 600; border-radius: 10px; }
        .mobile-tabbar .tab-item i { font-size: 1.3rem; }
        .mobile-tabbar .tab-item.active { color: var(--primary); background: rgba(30, 58, 138, 0.06); }
        .page-hero { position: relative; padding: 110px 0 90px; background-size: cover; background-position: center; color: #fff; }
        .page-hero::before { content: ''; position: absolute; inset: 0; background: linear-gradient(135deg, rgba(8, 22, 50, 0.88) 0%, rgba(20, 45, 100, 0.76) 100%); }
        .page-hero .container { position: relative; z-index: 2; text-align: center; }
        .breadcrumb { display: inline-flex; align-items: center; gap: 10px; background: rgba(255, 255, 255, 0.14); backdrop-filter: blur(6px); padding: 6px 18px; border-radius: 30px; font-size: 0.85rem; color: rgba(255, 255, 255, 0.85); margin-bottom: 26px; }
        .breadcrumb a { color: #fff; }
        .breadcrumb a:hover { color: var(--accent); }
        .breadcrumb i { font-size: 0.7rem; opacity: 0.6; }
        .page-hero h1 { font-size: 3rem; font-weight: 900; margin-bottom: 18px; letter-spacing: 1px; }
        .page-hero .hero-sub { font-size: 1.12rem; opacity: 0.9; max-width: 620px; margin: 0 auto; line-height: 1.8; }
        .section { padding: 88px 0; }
        .section-head { text-align: center; margin-bottom: 52px; }
        .section-tag { display: inline-block; background: rgba(30, 58, 138, 0.08); color: var(--primary); padding: 7px 22px; border-radius: 24px; font-size: 0.85rem; font-weight: 800; letter-spacing: 1px; margin-bottom: 18px; }
        .section-head h2 { font-size: 2.25rem; font-weight: 900; color: var(--text-main); line-height: 1.35; margin-bottom: 14px; }
        .section-head p { color: var(--text-muted); max-width: 600px; margin: 0 auto; font-size: 1rem; }
        .service-grid { row-gap: 28px; }
        .service-card { background: #fff; border: 1px solid var(--border); border-radius: var(--radius-lg); padding: 30px 26px; height: 100%; box-shadow: var(--shadow-sm); transition: var(--transition); position: relative; overflow: hidden; }
        .service-card::after { content: ''; position: absolute; width: 100px; height: 100px; background: rgba(30, 58, 138, 0.03); border-radius: 50%; top: -30px; right: -30px; transition: var(--transition); }
        .service-card:hover { box-shadow: var(--shadow-lg); transform: translateY(-8px); border-color: rgba(30, 58, 138, 0.18); }
        .service-card:hover::after { transform: scale(1.8); background: rgba(30, 58, 138, 0.05); }
        .service-icon { width: 58px; height: 58px; border-radius: 16px; background: linear-gradient(135deg, var(--primary), var(--primary-light)); display: flex; align-items: center; justify-content: center; color: #fff; font-size: 1.45rem; margin-bottom: 20px; box-shadow: 0 6px 16px rgba(30, 58, 138, 0.25); }
        .service-card h3 { font-size: 1.18rem; font-weight: 800; margin-bottom: 10px; color: var(--text-main); }
        .service-card p { color: var(--text-muted); font-size: 0.92rem; line-height: 1.7; margin-bottom: 18px; }
        .service-link { color: var(--primary); font-weight: 700; font-size: 0.9rem; display: inline-flex; align-items: center; gap: 6px; }
        .service-link i { font-size: 0.8rem; transition: transform 0.3s; }
        .service-link:hover { color: var(--accent); }
        .service-link:hover i { transform: translateX(4px); }
        .process-section { background: var(--bg-light); }
        .process-steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 26px; }
        .step-item { background: #fff; border-radius: var(--radius-lg); padding: 36px 26px; text-align: center; border: 1px solid var(--border); position: relative; transition: var(--transition); }
        .step-item:hover { box-shadow: var(--shadow-md); transform: translateY(-6px); }
        .step-item::before { content: ''; position: absolute; top: 0; left: 50%; transform: translateX(-50%); width: 50px; height: 3px; background: var(--accent); border-radius: 0 0 4px 4px; }
        .step-num { display: inline-flex; align-items: center; justify-content: center; width: 52px; height: 52px; border-radius: 50%; background: var(--primary); color: #fff; font-weight: 900; font-size: 1.15rem; margin-bottom: 18px; box-shadow: 0 6px 18px rgba(30, 58, 138, 0.3); }
        .step-item h3 { font-size: 1.12rem; font-weight: 800; margin-bottom: 10px; }
        .step-item p { color: var(--text-muted); font-size: 0.9rem; line-height: 1.7; }
        .guide-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 32px; }
        .guide-card { background: #fff; border-radius: var(--radius-lg); overflow: hidden; border: 1px solid var(--border); box-shadow: var(--shadow-sm); transition: var(--transition); display: flex; flex-direction: column; }
        .guide-card:hover { box-shadow: var(--shadow-lg); transform: translateY(-8px); }
        .guide-thumb { overflow: hidden; aspect-ratio: 16 / 9; background: var(--bg-light); }
        .guide-thumb img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.6s ease; }
        .guide-card:hover .guide-thumb img { transform: scale(1.06); }
        .guide-body { padding: 26px; display: flex; flex-direction: column; flex: 1; }
        .badge { display: inline-block; padding: 5px 16px; border-radius: 24px; font-size: 0.75rem; font-weight: 800; letter-spacing: 0.3px; margin-bottom: 14px; align-self: flex-start; }
        .badge-begin { background: #e3f2fd; color: #1565c0; }
        .badge-safe { background: #e8f5e9; color: #2e7d32; }
        .badge-hot { background: #fff3e0; color: #ef6c00; }
        .guide-body h3 { font-size: 1.12rem; font-weight: 800; line-height: 1.5; margin-bottom: 12px; }
        .guide-body p { color: var(--text-muted); font-size: 0.9rem; line-height: 1.75; margin-bottom: 18px; flex: 1; }
        .read-more { color: var(--primary); font-weight: 700; font-size: 0.9rem; display: inline-flex; align-items: center; gap: 8px; transition: var(--transition); }
        .read-more i { font-size: 0.8rem; transition: transform 0.3s; }
        .read-more:hover { color: var(--accent); }
        .read-more:hover i { transform: translateX(4px); }
        .faq-section { background: var(--bg-light); }
        .faq-list { max-width: 820px; margin: 0 auto; display: flex; flex-direction: column; gap: 16px; }
        .faq-item { background: #fff; border-radius: var(--radius); border: 1px solid var(--border); overflow: hidden; transition: var(--transition); }
        .faq-item.active { border-color: rgba(30, 58, 138, 0.35); box-shadow: var(--shadow-md); }
        .faq-question { width: 100%; display: flex; justify-content: space-between; align-items: center; padding: 22px 26px; font-size: 1rem; font-weight: 700; text-align: left; gap: 20px; color: var(--text-main); transition: var(--transition); }
        .faq-question:hover { color: var(--primary); }
        .faq-question i { color: var(--primary); transition: transform 0.35s ease; flex-shrink: 0; width: 20px; text-align: center; }
        .faq-item.active .faq-question i { transform: rotate(45deg); color: var(--accent); }
        .faq-answer { padding: 0 26px; max-height: 0; overflow: hidden; transition: max-height 0.4s ease, padding 0.4s ease; color: var(--text-muted); font-size: 0.95rem; line-height: 1.8; }
        .faq-item.active .faq-answer { padding: 0 26px 24px; max-height: 400px; }
        .cta-section { padding: 88px 0; }
        .cta-box { background: linear-gradient(135deg, #1e3a8a 0%, #0d2250 100%); border-radius: var(--radius-lg); padding: 64px 50px; text-align: center; color: #fff; position: relative; overflow: hidden; }
        .cta-box::before { content: ''; position: absolute; width: 220px; height: 220px; background: rgba(255, 255, 255, 0.06); border-radius: 50%; top: -80px; right: -50px; }
        .cta-box::after { content: ''; position: absolute; width: 140px; height: 140px; background: rgba(255, 255, 255, 0.05); border-radius: 50%; bottom: -50px; left: -30px; }
        .cta-box h2 { font-size: 2rem; font-weight: 900; margin-bottom: 16px; position: relative; z-index: 1; }
        .cta-box p { font-size: 1rem; opacity: 0.85; max-width: 540px; margin: 0 auto 36px; line-height: 1.8; position: relative; z-index: 1; }
        .cta-actions { display: flex; gap: 18px; justify-content: center; flex-wrap: wrap; position: relative; z-index: 2; }
        .btn-light { background: #fff; color: var(--primary); }
        .btn-light:hover { background: var(--accent); color: #fff; transform: translateY(-3px); box-shadow: 0 12px 32px rgba(0, 0, 0, 0.25); }
        .btn-outline-light { border-color: rgba(255, 255, 255, 0.5); color: #fff; }
        .btn-outline-light:hover { background: #fff; color: var(--primary); border-color: #fff; transform: translateY(-3px); }
        .site-footer { background: #0d1f3a; color: rgba(255, 255, 255, 0.78); padding: 76px 0 26px; }
        .footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr; gap: 56px; padding-bottom: 50px; border-bottom: 1px solid rgba(255, 255, 255, 0.08); }
        .footer-logo { display: flex; align-items: center; gap: 10px; font-size: 1.3rem; font-weight: 900; color: #fff; margin-bottom: 18px; }
        .footer-logo i { color: var(--accent); font-size: 1.4rem; }
        .footer-brand p { font-size: 0.9rem; line-height: 1.9; max-width: 380px; }
        .footer-col h4 { color: #fff; font-size: 1rem; font-weight: 800; margin-bottom: 20px; position: relative; padding-bottom: 10px; }
        .footer-col h4::after { content: ''; position: absolute; left: 0; bottom: 0; width: 30px; height: 2px; background: var(--accent); border-radius: 2px; }
        .footer-col a { display: block; padding: 7px 0; color: rgba(255, 255, 255, 0.68); font-size: 0.9rem; transition: var(--transition); }
        .footer-col a:hover { color: var(--accent); padding-left: 6px; }
        .footer-bottom { padding-top: 28px; text-align: center; font-size: 0.85rem; color: rgba(255, 255, 255, 0.42); }
        .footer-bottom p { margin: 0; }

        @media (max-width: 1024px) {
            .process-steps { grid-template-columns: repeat(2, 1fr); }
            .guide-grid { grid-template-columns: repeat(2, 1fr); gap: 24px; }
            .footer-grid { grid-template-columns: 1fr 1fr; gap: 40px; }
        }

        @media (max-width: 768px) {
            .desktop-nav { display: none; position: absolute; top: 64px; left: 0; right: 0; background: #fff; flex-direction: column; align-items: stretch; padding: 16px 20px 20px; gap: 6px; border-bottom: 1px solid var(--border); box-shadow: 0 20px 40px rgba(0, 0, 0, 0.08); }
            .desktop-nav.open { display: flex; }
            .nav-link { padding: 12px 16px; border-radius: 10px; font-size: 0.95rem; text-align: center; }
            .nav-cta { display: none; }
            .mobile-toggle { display: flex; }
            .site-header, .header-inner { height: 64px; }
            .nav-logo { font-size: 1.1rem; }
            .nav-logo i { font-size: 1.2rem; }
            .page-hero { padding: 84px 0 68px; }
            .page-hero h1 { font-size: 2.2rem; }
            .page-hero .hero-sub { font-size: 1rem; padding: 0 12px; }
            .section { padding: 64px 0; }
            .section-head { margin-bottom: 36px; }
            .section-head h2 { font-size: 1.8rem; }
            .service-grid .cell { margin-bottom: 0; }
            .process-steps { grid-template-columns: 1fr; gap: 20px; }
            .guide-grid { grid-template-columns: 1fr; }
            .cta-box { padding: 44px 24px; }
            .cta-box h2 { font-size: 1.6rem; }
            .footer-grid { grid-template-columns: 1fr; gap: 36px; text-align: center; }
            .footer-brand p { margin: 0 auto; }
            .footer-col h4::after { left: 50%; transform: translateX(-50%); }
            .mobile-tabbar { display: flex; gap: 4px; }
            body { padding-bottom: 68px; }
        }

        @media (max-width: 520px) {
            .container { padding: 0 18px; }
            .page-hero h1 { font-size: 1.8rem; }
            .breadcrumb { font-size: 0.78rem; padding: 5px 14px; }
            .service-card { padding: 24px 20px; }
            .guide-body { padding: 20px; }
            .cta-actions .btn { width: 100%; }
        }