/* roulang page: index */
/* ===== 设计变量 ===== */
        :root {
            --primary: #FF6B35;
            --primary-hover: #e55a2b;
            --primary-light: #fff0e8;
            --secondary: #1A2B3C;
            --secondary-light: #2a3f54;
            --success: #28A745;
            --gold: #F7C948;
            --bg-light: #F8F9FA;
            --bg-white: #FFFFFF;
            --text-dark: #1A2B3C;
            --text-body: #333333;
            --text-muted: #666666;
            --text-light: #999999;
            --border-color: #e5e7eb;
            --radius: 12px;
            --radius-sm: 8px;
            --shadow-sm: 0 2px 8px rgba(0,0,0,0.08);
            --shadow-md: 0 4px 16px rgba(0,0,0,0.12);
            --shadow-lg: 0 8px 32px rgba(0,0,0,0.16);
            --transition: all 0.3s ease;
            --font-family: system-ui, -apple-system, 'Microsoft YaHei', 'PingFang SC', sans-serif;
            --navbar-height: 60px;
        }

        /* ===== Reset / Base ===== */
        *, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
        html { scroll-behavior: smooth; }
        body {
            font-family: var(--font-family);
            font-size: 1rem;
            line-height: 1.6;
            color: var(--text-body);
            background: var(--bg-light);
            -webkit-font-smoothing: antialiased;
        }
        a { color: var(--primary); text-decoration: none; transition: var(--transition); }
        a:hover { color: var(--primary-hover); }
        img { max-width: 100%; height: auto; display: block; }
        button, input, select, textarea { font-family: inherit; font-size: inherit; }
        ul { list-style: none; padding: 0; margin: 0; }

        /* ===== Container ===== */
        .container { max-width: 1200px; padding: 0 15px; margin: 0 auto; }

        /* ===== 导航 ===== */
        .navbar-custom {
            background: var(--secondary);
            height: var(--navbar-height);
            padding: 0 24px;
            box-shadow: 0 2px 12px rgba(0,0,0,0.1);
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1050;
            display: flex;
            align-items: center;
            justify-content: space-between;
        }
        .navbar-custom .nav-left {
            display: flex;
            align-items: center;
            gap: 32px;
        }
        .navbar-custom .logo {
            font-size: 1.25rem;
            font-weight: 700;
            color: #fff;
            letter-spacing: 0.5px;
            white-space: nowrap;
        }
        .navbar-custom .logo:hover { color: var(--primary); }
        .navbar-custom .nav-menu {
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .navbar-custom .nav-menu a {
            color: rgba(255,255,255,0.85);
            padding: 6px 16px;
            border-radius: var(--radius-sm);
            font-size: 0.925rem;
            font-weight: 500;
            transition: var(--transition);
            white-space: nowrap;
        }
        .navbar-custom .nav-menu a:hover,
        .navbar-custom .nav-menu a.active {
            color: #fff;
            background: rgba(255,255,255,0.12);
        }
        .navbar-custom .nav-menu a.active {
            border-bottom: 2px solid var(--primary);
        }
        .navbar-custom .nav-right {
            display: flex;
            align-items: center;
            gap: 12px;
        }
        .navbar-custom .btn-nav-cta {
            background: var(--primary);
            color: #fff;
            border: none;
            padding: 8px 24px;
            border-radius: var(--radius-sm);
            font-weight: 600;
            font-size: 0.9rem;
            transition: var(--transition);
            white-space: nowrap;
        }
        .navbar-custom .btn-nav-cta:hover {
            background: var(--primary-hover);
            transform: translateY(-1px);
            box-shadow: 0 4px 12px rgba(255,107,53,0.35);
            color: #fff;
        }
        .navbar-custom .search-icon {
            color: rgba(255,255,255,0.7);
            font-size: 1.1rem;
            cursor: pointer;
            transition: var(--transition);
            padding: 6px;
        }
        .navbar-custom .search-icon:hover { color: var(--primary); }
        .navbar-toggler-custom {
            display: none;
            background: none;
            border: none;
            color: #fff;
            font-size: 1.5rem;
            cursor: pointer;
            padding: 4px 8px;
        }

        /* ===== Hero 分屏 ===== */
        .hero-split {
            margin-top: var(--navbar-height);
            min-height: calc(100vh - var(--navbar-height));
            display: flex;
            align-items: stretch;
            background: var(--bg-white);
        }
        .hero-split .hero-left {
            flex: 0 0 50%;
            max-width: 50%;
            display: flex;
            flex-direction: column;
            justify-content: center;
            padding: 60px 48px 60px 0;
            padding-left: calc((100vw - 1200px) / 2 + 15px);
        }
        .hero-split .hero-right {
            flex: 0 0 50%;
            max-width: 50%;
            background: var(--secondary);
            background-image: url('/assets/images/backpic/back-1.png');
            background-size: cover;
            background-position: center;
            position: relative;
            min-height: 500px;
        }
        .hero-split .hero-right::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(26,43,60,0.3) 0%, rgba(255,107,53,0.15) 100%);
            pointer-events: none;
        }
        .hero-split .hero-left h1 {
            font-size: 2.5rem;
            font-weight: 700;
            color: var(--text-dark);
            line-height: 1.25;
            margin-bottom: 20px;
        }
        .hero-split .hero-left .lead {
            font-size: 1.15rem;
            color: var(--text-muted);
            line-height: 1.7;
            margin-bottom: 32px;
            max-width: 480px;
        }
        .hero-split .hero-left .btn-hero {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            background: var(--primary);
            color: #fff;
            border: none;
            padding: 14px 36px;
            border-radius: var(--radius-sm);
            font-size: 1.05rem;
            font-weight: 600;
            transition: var(--transition);
            box-shadow: 0 4px 16px rgba(255,107,53,0.3);
        }
        .hero-split .hero-left .btn-hero:hover {
            background: var(--primary-hover);
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(255,107,53,0.4);
            color: #fff;
        }
        .hero-split .hero-left .hero-meta {
            margin-top: 28px;
            display: flex;
            gap: 32px;
            color: var(--text-muted);
            font-size: 0.9rem;
        }
        .hero-split .hero-left .hero-meta i { color: var(--primary); margin-right: 6px; }

        /* ===== 板块标题 ===== */
        .section-title {
            text-align: center;
            margin-bottom: 48px;
        }
        .section-title h2 {
            font-size: 2rem;
            font-weight: 700;
            color: var(--text-dark);
            margin-bottom: 12px;
        }
        .section-title p {
            font-size: 1.05rem;
            color: var(--text-muted);
            max-width: 600px;
            margin: 0 auto;
        }
        .section-title .badge-section {
            display: inline-block;
            background: var(--primary-light);
            color: var(--primary);
            padding: 4px 18px;
            border-radius: 20px;
            font-size: 0.85rem;
            font-weight: 600;
            margin-bottom: 12px;
        }

        /* ===== 板块间距 ===== */
        .section-block { padding: 80px 0; }
        .section-block-alt { background: var(--bg-white); }

        /* ===== 时间线 ===== */
        .timeline-horizontal {
            display: flex;
            gap: 24px;
            overflow-x: auto;
            padding: 16px 0 24px;
            scroll-snap-type: x mandatory;
        }
        .timeline-horizontal .timeline-item {
            flex: 0 0 220px;
            background: var(--bg-white);
            border-radius: var(--radius);
            padding: 24px;
            box-shadow: var(--shadow-sm);
            border-left: 4px solid var(--primary);
            transition: var(--transition);
            scroll-snap-align: start;
        }
        .timeline-horizontal .timeline-item:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-4px);
        }
        .timeline-horizontal .timeline-item .tl-date {
            font-size: 0.85rem;
            color: var(--primary);
            font-weight: 600;
            margin-bottom: 6px;
        }
        .timeline-horizontal .timeline-item .tl-time {
            font-size: 0.8rem;
            color: var(--text-light);
            margin-bottom: 8px;
        }
        .timeline-horizontal .timeline-item .tl-title {
            font-size: 1rem;
            font-weight: 600;
            color: var(--text-dark);
            margin-bottom: 6px;
        }
        .timeline-horizontal .timeline-item .tl-desc {
            font-size: 0.85rem;
            color: var(--text-muted);
            line-height: 1.5;
        }
        .timeline-horizontal .timeline-item .tl-icon {
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background: var(--primary-light);
            color: var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1rem;
            margin-bottom: 12px;
        }

        /* ===== 嘉宾卡片 ===== */
        .speaker-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }
        .speaker-card {
            background: var(--bg-white);
            border-radius: var(--radius);
            padding: 28px 20px 24px;
            text-align: center;
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
        }
        .speaker-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-4px);
        }
        .speaker-card .avatar {
            width: 80px;
            height: 80px;
            border-radius: 50%;
            object-fit: cover;
            margin: 0 auto 16px;
            box-shadow: 0 4px 12px rgba(0,0,0,0.1);
        }
        .speaker-card h5 {
            font-size: 1.05rem;
            font-weight: 600;
            color: var(--text-dark);
            margin-bottom: 4px;
        }
        .speaker-card .position {
            font-size: 0.85rem;
            color: var(--text-muted);
            margin-bottom: 10px;
        }
        .speaker-card .bio {
            font-size: 0.88rem;
            color: var(--text-body);
            line-height: 1.6;
        }
        .speaker-card .badge-highlight {
            display: inline-block;
            background: var(--gold);
            color: #7a5c00;
            padding: 2px 14px;
            border-radius: 12px;
            font-size: 0.75rem;
            font-weight: 600;
            margin-bottom: 10px;
        }

        /* ===== 票种对比 ===== */
        .ticket-table-wrap {
            overflow-x: auto;
        }
        .ticket-table {
            width: 100%;
            border-collapse: separate;
            border-spacing: 0;
            background: var(--bg-white);
            border-radius: var(--radius);
            box-shadow: var(--shadow-sm);
            overflow: hidden;
        }
        .ticket-table th,
        .ticket-table td {
            padding: 16px 20px;
            text-align: center;
            vertical-align: middle;
            border-bottom: 1px solid var(--border-color);
        }
        .ticket-table thead th {
            background: var(--secondary);
            color: #fff;
            font-weight: 600;
            font-size: 1rem;
            border-bottom: none;
        }
        .ticket-table thead th:first-child { border-radius: var(--radius) 0 0 0; }
        .ticket-table thead th:last-child { border-radius: 0 var(--radius) 0 0; }
        .ticket-table tbody tr:last-child td { border-bottom: none; }
        .ticket-table tbody tr:hover { background: #fafafa; }
        .ticket-table .ticket-name { font-weight: 600; color: var(--text-dark); }
        .ticket-table .ticket-price { font-size: 1.3rem; font-weight: 700; color: var(--primary); }
        .ticket-table .ticket-badge {
            display: inline-block;
            background: var(--gold);
            color: #7a5c00;
            padding: 2px 14px;
            border-radius: 12px;
            font-size: 0.75rem;
            font-weight: 600;
        }
        .ticket-table .btn-ticket {
            background: var(--primary);
            color: #fff;
            border: none;
            padding: 8px 24px;
            border-radius: var(--radius-sm);
            font-weight: 600;
            font-size: 0.85rem;
            transition: var(--transition);
        }
        .ticket-table .btn-ticket:hover {
            background: var(--primary-hover);
            transform: translateY(-1px);
        }
        .ticket-table .btn-ticket.outline {
            background: transparent;
            border: 2px solid var(--primary);
            color: var(--primary);
        }
        .ticket-table .btn-ticket.outline:hover {
            background: var(--primary);
            color: #fff;
        }
        .ticket-table .recommend-col {
            background: #fffcf5;
        }
        .ticket-table .recommend-col .ticket-badge { background: var(--primary); color: #fff; }

        /* ===== 报名表单 ===== */
        .cta-banner {
            background: var(--secondary);
            background-image: url('/assets/images/backpic/back-2.webp');
            background-size: cover;
            background-position: center;
            position: relative;
            padding: 80px 0;
        }
        .cta-banner::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(26,43,60,0.85) 0%, rgba(26,43,60,0.7) 100%);
            pointer-events: none;
        }
        .cta-banner .container { position: relative; z-index: 2; }
        .cta-banner h2 {
            color: #fff;
            font-size: 2.2rem;
            font-weight: 700;
            margin-bottom: 12px;
        }
        .cta-banner .sub {
            color: rgba(255,255,255,0.85);
            font-size: 1.1rem;
            margin-bottom: 36px;
        }
        .cta-form {
            max-width: 640px;
            margin: 0 auto;
            background: rgba(255,255,255,0.08);
            backdrop-filter: blur(12px);
            border-radius: var(--radius);
            padding: 32px;
            border: 1px solid rgba(255,255,255,0.15);
        }
        .cta-form .form-label {
            color: rgba(255,255,255,0.9);
            font-weight: 500;
            font-size: 0.9rem;
        }
        .cta-form .form-control {
            background: rgba(255,255,255,0.12);
            border: 1px solid rgba(255,255,255,0.2);
            border-radius: var(--radius-sm);
            color: #fff;
            padding: 12px 16px;
        }
        .cta-form .form-control:focus {
            background: rgba(255,255,255,0.18);
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(255,107,53,0.3);
            color: #fff;
        }
        .cta-form .form-control::placeholder { color: rgba(255,255,255,0.5); }
        .cta-form .btn-submit {
            background: var(--primary);
            color: #fff;
            border: none;
            padding: 14px 32px;
            border-radius: var(--radius-sm);
            font-weight: 600;
            font-size: 1.05rem;
            width: 100%;
            transition: var(--transition);
        }
        .cta-form .btn-submit:hover {
            background: var(--primary-hover);
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(255,107,53,0.4);
        }
        .cta-form .form-select {
            background: rgba(255,255,255,0.12);
            border: 1px solid rgba(255,255,255,0.2);
            border-radius: var(--radius-sm);
            color: #fff;
            padding: 12px 16px;
            cursor: pointer;
        }
        .cta-form .form-select option { color: #333; background: #fff; }
        .cta-form .form-select:focus {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(255,107,53,0.3);
        }

        /* ===== 最新资讯 (CMS) ===== */
        .news-list {
            display: flex;
            flex-direction: column;
            gap: 16px;
        }
        .news-item {
            display: flex;
            align-items: flex-start;
            gap: 20px;
            background: var(--bg-white);
            border-radius: var(--radius);
            padding: 20px 24px;
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
        }
        .news-item:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
        }
        .news-item .thumb {
            width: 100px;
            height: 100px;
            border-radius: var(--radius-sm);
            object-fit: cover;
            flex-shrink: 0;
        }
        .news-item .news-content { flex: 1; }
        .news-item .news-content .news-title {
            font-size: 1.05rem;
            font-weight: 600;
            color: var(--text-dark);
            margin-bottom: 6px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .news-item .news-content .news-title a { color: inherit; }
        .news-item .news-content .news-title a:hover { color: var(--primary); }
        .news-item .news-content .news-summary {
            font-size: 0.88rem;
            color: var(--text-muted);
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            margin-bottom: 8px;
            line-height: 1.6;
        }
        .news-item .news-meta {
            display: flex;
            align-items: center;
            gap: 16px;
            font-size: 0.82rem;
            color: var(--text-light);
        }
        .news-item .news-meta .tag {
            display: inline-block;
            background: var(--primary-light);
            color: var(--primary);
            padding: 2px 12px;
            border-radius: 12px;
            font-size: 0.75rem;
            font-weight: 600;
        }
        .news-empty {
            text-align: center;
            padding: 48px 20px;
            color: var(--text-light);
            font-size: 1rem;
            background: var(--bg-white);
            border-radius: var(--radius);
            box-shadow: var(--shadow-sm);
        }
        .news-empty i { font-size: 2rem; color: var(--primary-light); margin-bottom: 12px; display: block; }

        /* ===== FAQ ===== */
        .faq-accordion .accordion-item {
            border: none;
            border-radius: var(--radius-sm);
            margin-bottom: 12px;
            box-shadow: var(--shadow-sm);
            overflow: hidden;
        }
        .faq-accordion .accordion-header {
            background: var(--bg-white);
        }
        .faq-accordion .accordion-button {
            background: var(--bg-white);
            color: var(--text-dark);
            font-weight: 600;
            font-size: 1rem;
            padding: 18px 24px;
            border: none;
            box-shadow: none;
        }
        .faq-accordion .accordion-button:not(.collapsed) {
            background: var(--primary-light);
            color: var(--primary);
        }
        .faq-accordion .accordion-button:focus {
            box-shadow: none;
            border-color: transparent;
        }
        .faq-accordion .accordion-body {
            background: var(--bg-white);
            color: var(--text-body);
            padding: 0 24px 20px;
            font-size: 0.95rem;
            line-height: 1.7;
        }
        .faq-accordion .accordion-button::after {
            background-size: 1rem;
        }

        /* ===== 数据统计 ===== */
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }
        .stat-item {
            text-align: center;
            padding: 32px 16px;
            background: var(--bg-white);
            border-radius: var(--radius);
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
        }
        .stat-item:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-4px);
        }
        .stat-item .stat-number {
            font-size: 2.5rem;
            font-weight: 700;
            color: var(--primary);
            line-height: 1.2;
        }
        .stat-item .stat-label {
            font-size: 0.95rem;
            color: var(--text-muted);
            margin-top: 8px;
        }
        .stat-item .stat-icon {
            font-size: 2rem;
            color: var(--primary-light);
            margin-bottom: 12px;
        }

        /* ===== 页脚 ===== */
        .site-footer {
            background: var(--secondary);
            color: rgba(255,255,255,0.8);
            padding: 60px 0 32px;
        }
        .site-footer .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 32px;
            margin-bottom: 32px;
        }
        .site-footer .footer-brand .logo { color: #fff; font-size: 1.2rem; font-weight: 700; margin-bottom: 12px; display: block; }
        .site-footer .footer-brand p { font-size: 0.9rem; line-height: 1.7; color: rgba(255,255,255,0.65); max-width: 320px; }
        .site-footer h5 { color: #fff; font-size: 1rem; font-weight: 600; margin-bottom: 16px; }
        .site-footer a { color: rgba(255,255,255,0.7); font-size: 0.9rem; display: block; padding: 4px 0; transition: var(--transition); }
        .site-footer a:hover { color: var(--primary); padding-left: 4px; }
        .site-footer .footer-contact p { font-size: 0.9rem; color: rgba(255,255,255,0.65); margin-bottom: 6px; }
        .site-footer .footer-contact i { width: 20px; color: var(--primary); margin-right: 6px; }
        .site-footer .footer-bottom {
            border-top: 1px solid rgba(255,255,255,0.1);
            padding-top: 20px;
            text-align: center;
            font-size: 0.85rem;
            color: rgba(255,255,255,0.5);
        }
        .site-footer .footer-bottom a { color: rgba(255,255,255,0.6); display: inline; padding: 0; }
        .site-footer .footer-bottom a:hover { color: var(--primary); padding: 0; }
        .site-footer .social-links { display: flex; gap: 12px; margin-top: 12px; }
        .site-footer .social-links a {
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background: rgba(255,255,255,0.1);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            color: rgba(255,255,255,0.7);
            font-size: 1rem;
            transition: var(--transition);
        }
        .site-footer .social-links a:hover {
            background: var(--primary);
            color: #fff;
            padding: 0;
        }

        /* ===== 页内锚点 ===== */
        .scroll-offset { scroll-margin-top: calc(var(--navbar-height) + 20px); }

        /* ===== 响应式 ===== */
        @media (max-width: 1199.98px) {
            .hero-split .hero-left { padding-left: 24px; padding-right: 24px; }
            .hero-split .hero-left h1 { font-size: 2.2rem; }
        }
        @media (max-width: 991.98px) {
            .navbar-custom .nav-menu { display: none; }
            .navbar-toggler-custom { display: block; }
            .navbar-custom .nav-menu.open {
                display: flex;
                flex-direction: column;
                position: absolute;
                top: var(--navbar-height);
                left: 0;
                right: 0;
                background: var(--secondary);
                padding: 16px 24px;
                gap: 4px;
                box-shadow: 0 8px 24px rgba(0,0,0,0.2);
            }
            .navbar-custom .nav-menu.open a { padding: 10px 16px; width: 100%; }
            .hero-split { flex-direction: column; }
            .hero-split .hero-left,
            .hero-split .hero-right { flex: 0 0 100%; max-width: 100%; }
            .hero-split .hero-left { padding: 48px 24px; }
            .hero-split .hero-right { min-height: 320px; }
            .speaker-grid { grid-template-columns: repeat(2, 1fr); }
            .stats-grid { grid-template-columns: repeat(2, 1fr); }
            .site-footer .footer-grid { grid-template-columns: 1fr 1fr; }
            .section-block { padding: 60px 0; }
            .cta-banner h2 { font-size: 1.8rem; }
        }
        @media (max-width: 767.98px) {
            .navbar-custom { padding: 0 16px; }
            .navbar-custom .logo { font-size: 1.1rem; }
            .navbar-custom .btn-nav-cta { padding: 6px 16px; font-size: 0.8rem; }
            .hero-split .hero-left h1 { font-size: 1.8rem; }
            .hero-split .hero-left .lead { font-size: 1rem; }
            .hero-split .hero-left .hero-meta { flex-direction: column; gap: 8px; }
            .section-title h2 { font-size: 1.6rem; }
            .section-block { padding: 40px 0; }
            .speaker-grid { grid-template-columns: 1fr; }
            .timeline-horizontal .timeline-item { flex: 0 0 180px; }
            .news-item { flex-direction: column; }
            .news-item .thumb { width: 100%; height: 160px; }
            .stats-grid { grid-template-columns: 1fr 1fr; gap: 16px; }
            .stat-item .stat-number { font-size: 2rem; }
            .site-footer .footer-grid { grid-template-columns: 1fr; }
            .cta-form { padding: 24px 16px; }
            .cta-banner h2 { font-size: 1.5rem; }
            .ticket-table th,
            .ticket-table td { padding: 12px 12px; font-size: 0.85rem; }
        }
        @media (max-width: 520px) {
            .navbar-custom .btn-nav-cta { display: none; }
            .hero-split .hero-left h1 { font-size: 1.5rem; }
            .hero-split .hero-right { min-height: 220px; }
            .stats-grid { grid-template-columns: 1fr; }
            .news-item .thumb { height: 120px; }
        }

        /* ===== 辅助 ===== */
        .text-primary-custom { color: var(--primary) !important; }
        .bg-primary-custom { background: var(--primary) !important; }
        .gap-2 { gap: 8px; }
        .gap-3 { gap: 16px; }
        .mb-0 { margin-bottom: 0; }
        .mt-2 { margin-top: 8px; }
        .mt-3 { margin-top: 16px; }
        .mt-4 { margin-top: 24px; }

/* roulang page: article */
:root {
            --primary: #FF6B35;
            --primary-dark: #e55a2b;
            --primary-light: #ff8a5c;
            --secondary: #1A2B3C;
            --secondary-light: #2a4055;
            --accent-green: #28A745;
            --accent-gold: #F7C948;
            --bg-main: #F8F9FA;
            --bg-card: #FFFFFF;
            --text-dark: #1A2B3C;
            --text-body: #333333;
            --text-muted: #666666;
            --text-light: #999999;
            --border-color: #e8ecf0;
            --radius: 12px;
            --radius-sm: 8px;
            --shadow: 0 2px 8px rgba(0,0,0,0.08);
            --shadow-hover: 0 4px 16px rgba(0,0,0,0.12);
            --transition: all 0.3s ease;
            --font-family: system-ui, -apple-system, 'Microsoft YaHei', 'PingFang SC', sans-serif;
            --container-max: 1200px;
            --nav-height: 60px;
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: var(--font-family);
            color: var(--text-body);
            background-color: var(--bg-main);
            line-height: 1.6;
            font-size: 1rem;
            -webkit-font-smoothing: antialiased;
            padding-top: var(--nav-height);
        }

        a {
            color: var(--primary);
            text-decoration: none;
            transition: var(--transition);
        }
        a:hover {
            color: var(--primary-dark);
        }

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

        .container {
            max-width: var(--container-max);
            padding-left: 15px;
            padding-right: 15px;
            margin: 0 auto;
        }

        h1, h2, h3, h4, h5, h6 {
            color: var(--text-dark);
            font-weight: 700;
            line-height: 1.3;
        }
        h1 { font-size: 2.5rem; }
        h2 { font-size: 2rem; }
        h3 { font-size: 1.5rem; }
        h4 { font-size: 1.25rem; }
        h5 { font-size: 1.1rem; }

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

        .text-primary-custom {
            color: var(--primary) !important;
        }
        .bg-primary-custom {
            background-color: var(--primary) !important;
        }

        /* ===== 导航 ===== */
        .navbar-custom {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1050;
            height: var(--nav-height);
            background: var(--secondary);
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 0 32px;
            box-shadow: 0 2px 12px rgba(0,0,0,0.15);
        }

        .navbar-custom .nav-left {
            display: flex;
            align-items: center;
            gap: 32px;
        }

        .navbar-custom .logo {
            font-size: 1.35rem;
            font-weight: 700;
            color: #fff;
            letter-spacing: 0.5px;
            white-space: nowrap;
        }
        .navbar-custom .logo:hover {
            color: var(--primary);
        }

        .navbar-toggler-custom {
            display: none;
            background: none;
            border: none;
            color: #fff;
            font-size: 1.4rem;
            cursor: pointer;
            padding: 4px 8px;
        }

        .nav-menu {
            display: flex;
            align-items: center;
            gap: 4px;
        }

        .nav-menu a {
            color: rgba(255,255,255,0.85);
            padding: 8px 16px;
            border-radius: var(--radius-sm);
            font-size: 0.95rem;
            font-weight: 500;
            transition: var(--transition);
            position: relative;
        }
        .nav-menu a:hover {
            color: #fff;
            background: rgba(255,255,255,0.1);
        }
        .nav-menu a.active {
            color: #fff;
        }
        .nav-menu a.active::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 16px;
            right: 16px;
            height: 3px;
            background: var(--primary);
            border-radius: 2px;
        }

        .navbar-custom .nav-right {
            display: flex;
            align-items: center;
            gap: 16px;
        }

        .navbar-custom .search-icon {
            color: rgba(255,255,255,0.8);
            font-size: 1.1rem;
            cursor: pointer;
            padding: 6px 10px;
            border-radius: var(--radius-sm);
            transition: var(--transition);
        }
        .navbar-custom .search-icon:hover {
            color: #fff;
            background: rgba(255,255,255,0.1);
        }

        .btn-nav-cta {
            background: var(--primary);
            color: #fff !important;
            padding: 8px 22px;
            border-radius: var(--radius-sm);
            font-weight: 600;
            font-size: 0.9rem;
            transition: var(--transition);
            display: inline-block;
            white-space: nowrap;
        }
        .btn-nav-cta:hover {
            background: var(--primary-dark);
            transform: translateY(-2px);
            box-shadow: 0 4px 12px rgba(255,107,53,0.4);
        }

        /* ===== 面包屑 ===== */
        .breadcrumb-wrap {
            background: var(--bg-main);
            padding: 16px 0;
            border-bottom: 1px solid var(--border-color);
        }
        .breadcrumb-wrap .breadcrumb {
            margin: 0;
            background: transparent;
            padding: 0;
            font-size: 0.9rem;
        }
        .breadcrumb-wrap .breadcrumb-item a {
            color: var(--text-muted);
        }
        .breadcrumb-wrap .breadcrumb-item a:hover {
            color: var(--primary);
        }
        .breadcrumb-wrap .breadcrumb-item.active {
            color: var(--text-dark);
            font-weight: 500;
        }

        /* ===== 文章正文 ===== */
        .article-wrapper {
            max-width: 800px;
            margin: 0 auto;
            padding: 0 15px;
        }

        .article-header {
            text-align: center;
            margin-bottom: 40px;
        }
        .article-header h1 {
            font-size: 2.2rem;
            font-weight: 700;
            color: var(--text-dark);
            margin-bottom: 16px;
            line-height: 1.35;
        }
        .article-meta {
            display: flex;
            justify-content: center;
            align-items: center;
            flex-wrap: wrap;
            gap: 16px;
            color: var(--text-muted);
            font-size: 0.95rem;
            margin-bottom: 8px;
        }
        .article-meta .meta-item {
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .article-meta .meta-item i {
            color: var(--primary);
        }
        .article-meta .badge-category {
            background: rgba(255,107,53,0.15);
            color: var(--primary);
            padding: 4px 14px;
            border-radius: 20px;
            font-size: 0.85rem;
            font-weight: 600;
        }

        .article-featured-image {
            margin-bottom: 32px;
            border-radius: var(--radius);
            overflow: hidden;
            box-shadow: var(--shadow);
        }
        .article-featured-image img {
            width: 100%;
            height: auto;
            max-height: 480px;
            object-fit: cover;
        }

        .article-content {
            font-size: 1.05rem;
            line-height: 1.85;
            color: var(--text-body);
        }
        .article-content p {
            margin-bottom: 1.5em;
        }
        .article-content h2 {
            font-size: 1.65rem;
            margin-top: 2em;
            margin-bottom: 0.8em;
            color: var(--text-dark);
        }
        .article-content h3 {
            font-size: 1.3rem;
            margin-top: 1.6em;
            margin-bottom: 0.6em;
            color: var(--text-dark);
        }
        .article-content blockquote {
            border-left: 4px solid var(--primary);
            background: rgba(255,107,53,0.06);
            padding: 16px 24px;
            margin: 1.5em 0;
            border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
            color: var(--text-muted);
            font-style: italic;
        }
        .article-content img {
            border-radius: var(--radius-sm);
            margin: 1.5em auto;
            box-shadow: var(--shadow);
        }
        .article-content ul,
        .article-content ol {
            margin-bottom: 1.5em;
            padding-left: 1.5em;
        }
        .article-content li {
            margin-bottom: 0.5em;
        }
        .article-content code {
            background: #f0f2f5;
            padding: 2px 8px;
            border-radius: 4px;
            font-size: 0.9em;
            color: var(--primary-dark);
        }
        .article-content pre {
            background: var(--secondary);
            color: #e8e8e8;
            padding: 20px;
            border-radius: var(--radius-sm);
            overflow-x: auto;
            margin: 1.5em 0;
        }
        .article-content pre code {
            background: transparent;
            color: inherit;
            padding: 0;
        }

        .article-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            margin-top: 40px;
            padding-top: 24px;
            border-top: 1px solid var(--border-color);
        }
        .article-tags .tag {
            background: var(--bg-main);
            color: var(--text-muted);
            padding: 6px 16px;
            border-radius: 20px;
            font-size: 0.85rem;
            font-weight: 500;
            transition: var(--transition);
        }
        .article-tags .tag:hover {
            background: var(--primary);
            color: #fff;
        }

        /* ===== 相关推荐 ===== */
        .related-section {
            background: var(--bg-card);
        }
        .related-section h2 {
            text-align: center;
            margin-bottom: 40px;
            position: relative;
        }
        .related-section h2::after {
            content: '';
            display: block;
            width: 60px;
            height: 4px;
            background: var(--primary);
            border-radius: 2px;
            margin: 12px auto 0;
        }

        .related-card {
            background: var(--bg-card);
            border-radius: var(--radius);
            box-shadow: var(--shadow);
            overflow: hidden;
            transition: var(--transition);
            border: 1px solid var(--border-color);
            height: 100%;
        }
        .related-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-4px);
        }
        .related-card .card-img {
            height: 180px;
            overflow: hidden;
        }
        .related-card .card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.4s ease;
        }
        .related-card:hover .card-img img {
            transform: scale(1.05);
        }
        .related-card .card-body {
            padding: 20px;
        }
        .related-card .card-body h5 {
            font-size: 1.1rem;
            font-weight: 600;
            margin-bottom: 10px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .related-card .card-body h5 a {
            color: var(--text-dark);
        }
        .related-card .card-body h5 a:hover {
            color: var(--primary);
        }
        .related-card .card-body p {
            font-size: 0.9rem;
            color: var(--text-muted);
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            margin-bottom: 12px;
        }
        .related-card .card-body .meta-small {
            font-size: 0.8rem;
            color: var(--text-light);
            display: flex;
            align-items: center;
            gap: 8px;
        }

        /* ===== 文章未找到 ===== */
        .not-found-wrap {
            text-align: center;
            padding: 100px 20px;
        }
        .not-found-wrap .icon-big {
            font-size: 4rem;
            color: var(--text-light);
            margin-bottom: 20px;
        }
        .not-found-wrap h2 {
            margin-bottom: 16px;
        }
        .not-found-wrap p {
            color: var(--text-muted);
            margin-bottom: 24px;
        }
        .not-found-wrap .btn-back {
            background: var(--primary);
            color: #fff;
            padding: 12px 32px;
            border-radius: var(--radius-sm);
            font-weight: 600;
            transition: var(--transition);
            display: inline-block;
        }
        .not-found-wrap .btn-back:hover {
            background: var(--primary-dark);
            transform: translateY(-2px);
        }

        /* ===== 页脚 ===== */
        .site-footer {
            background: var(--secondary);
            color: rgba(255,255,255,0.85);
            padding: 60px 0 30px;
        }
        .site-footer .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1.2fr;
            gap: 40px;
            margin-bottom: 40px;
        }
        .site-footer .footer-brand .logo {
            font-size: 1.4rem;
            font-weight: 700;
            color: #fff;
            display: inline-block;
            margin-bottom: 16px;
        }
        .site-footer .footer-brand p {
            font-size: 0.9rem;
            line-height: 1.7;
            color: rgba(255,255,255,0.65);
            margin-bottom: 20px;
        }
        .site-footer .social-links {
            display: flex;
            gap: 12px;
        }
        .site-footer .social-links a {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: rgba(255,255,255,0.1);
            color: rgba(255,255,255,0.8);
            font-size: 1.1rem;
            transition: var(--transition);
        }
        .site-footer .social-links a:hover {
            background: var(--primary);
            color: #fff;
            transform: translateY(-2px);
        }
        .site-footer h5 {
            color: #fff;
            font-size: 1rem;
            font-weight: 600;
            margin-bottom: 20px;
            position: relative;
            padding-bottom: 10px;
        }
        .site-footer h5::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 30px;
            height: 3px;
            background: var(--primary);
            border-radius: 2px;
        }
        .site-footer a {
            color: rgba(255,255,255,0.7);
            display: block;
            padding: 5px 0;
            font-size: 0.9rem;
            transition: var(--transition);
        }
        .site-footer a:hover {
            color: var(--primary);
            padding-left: 4px;
        }
        .site-footer .footer-contact p {
            font-size: 0.9rem;
            color: rgba(255,255,255,0.7);
            margin-bottom: 8px;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .site-footer .footer-contact i {
            width: 20px;
            color: var(--primary);
        }
        .site-footer .footer-bottom {
            border-top: 1px solid rgba(255,255,255,0.1);
            padding-top: 24px;
            text-align: center;
            font-size: 0.85rem;
            color: rgba(255,255,255,0.5);
        }
        .site-footer .footer-bottom a {
            display: inline;
            padding: 0;
            color: rgba(255,255,255,0.6);
        }
        .site-footer .footer-bottom a:hover {
            color: var(--primary);
            padding: 0;
        }

        /* ===== 响应式 ===== */
        @media (max-width: 991px) {
            .navbar-custom {
                padding: 0 20px;
            }
            .navbar-toggler-custom {
                display: block;
            }
            .nav-menu {
                display: none;
                position: absolute;
                top: var(--nav-height);
                left: 0;
                right: 0;
                background: var(--secondary);
                flex-direction: column;
                padding: 16px 20px;
                box-shadow: 0 8px 20px rgba(0,0,0,0.2);
                gap: 4px;
            }
            .nav-menu.open {
                display: flex;
            }
            .nav-menu a {
                padding: 12px 16px;
                width: 100%;
                border-radius: var(--radius-sm);
            }
            .nav-menu a.active::after {
                display: none;
            }
            .nav-menu a.active {
                background: rgba(255,107,53,0.2);
                color: var(--primary);
            }
            .navbar-custom .nav-left {
                gap: 16px;
            }
            .site-footer .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 32px;
            }
            .article-header h1 {
                font-size: 1.8rem;
            }
        }

        @media (max-width: 767px) {
            .section-padding {
                padding: 50px 0;
            }
            h1 { font-size: 2rem; }
            h2 { font-size: 1.6rem; }
            .article-header h1 {
                font-size: 1.5rem;
            }
            .article-content {
                font-size: 1rem;
            }
            .article-meta {
                flex-direction: column;
                gap: 8px;
            }
            .site-footer .footer-grid {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            .site-footer {
                padding: 40px 0 20px;
            }
            .related-card .card-img {
                height: 140px;
            }
        }

        @media (max-width: 520px) {
            .navbar-custom {
                padding: 0 12px;
            }
            .navbar-custom .logo {
                font-size: 1.1rem;
            }
            .btn-nav-cta {
                padding: 6px 14px;
                font-size: 0.8rem;
            }
            .article-wrapper {
                padding: 0 12px;
            }
            .article-header h1 {
                font-size: 1.3rem;
            }
        }

/* roulang page: category1 */
/* ===== Design Variables ===== */
        :root {
            --primary: #FF6B35;
            --primary-dark: #e55a2b;
            --primary-light: #fff0e8;
            --secondary: #1A2B3C;
            --secondary-light: #2a3f52;
            --accent-green: #28A745;
            --accent-gold: #F7C948;
            --bg-main: #F8F9FA;
            --bg-card: #FFFFFF;
            --text-dark: #1A2B3C;
            --text-body: #333333;
            --text-muted: #666666;
            --text-light: #999999;
            --border-color: #e8eaed;
            --radius: 12px;
            --radius-sm: 8px;
            --shadow: 0 2px 8px rgba(0,0,0,0.08);
            --shadow-hover: 0 4px 20px rgba(0,0,0,0.12);
            --transition: 0.3s ease;
            --font-family: system-ui, -apple-system, 'Microsoft YaHei', 'PingFang SC', sans-serif;
            --container-max: 1200px;
            --nav-height: 60px;
            --spacing-section: 80px;
            --spacing-section-mobile: 40px;
        }

        /* ===== Reset & Base ===== */
        *, *::before, *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: var(--font-family);
            font-size: 1rem;
            line-height: 1.7;
            color: var(--text-body);
            background: var(--bg-main);
            -webkit-font-smoothing: antialiased;
        }

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

        a {
            color: var(--primary);
            text-decoration: none;
            transition: color var(--transition);
        }

        a:hover {
            color: var(--primary-dark);
        }

        .container {
            max-width: var(--container-max);
            padding-left: 15px;
            padding-right: 15px;
            margin: 0 auto;
        }

        /* ===== Typography ===== */
        h1, h2, h3, h4, h5, h6 {
            color: var(--text-dark);
            font-weight: 700;
            line-height: 1.3;
        }

        h1 {
            font-size: 2.5rem;
        }
        h2 {
            font-size: 2rem;
        }
        h3 {
            font-size: 1.5rem;
            font-weight: 600;
        }
        h4 {
            font-size: 1.25rem;
            font-weight: 600;
        }
        h5 {
            font-size: 1.1rem;
            font-weight: 600;
        }

        .lead {
            font-size: 1.15rem;
            color: var(--text-muted);
        }

        .text-primary {
            color: var(--primary) !important;
        }
        .text-dark {
            color: var(--text-dark) !important;
        }
        .text-muted {
            color: var(--text-muted) !important;
        }

        /* ===== Header & Navigation ===== */
        .navbar-custom {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1050;
            height: var(--nav-height);
            background: var(--secondary);
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 0 30px;
            box-shadow: 0 2px 12px rgba(0,0,0,0.15);
            transition: background var(--transition);
        }

        .navbar-custom .nav-left {
            display: flex;
            align-items: center;
            gap: 32px;
        }

        .navbar-custom .logo {
            font-size: 1.4rem;
            font-weight: 700;
            color: #ffffff;
            letter-spacing: 0.5px;
            white-space: nowrap;
        }
        .navbar-custom .logo:hover {
            color: var(--primary);
        }

        .navbar-custom .nav-menu {
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .navbar-custom .nav-menu a {
            color: rgba(255,255,255,0.8);
            font-size: 0.95rem;
            padding: 6px 16px;
            border-radius: var(--radius-sm);
            transition: all var(--transition);
            position: relative;
            white-space: nowrap;
        }

        .navbar-custom .nav-menu a:hover,
        .navbar-custom .nav-menu a:focus {
            color: #ffffff;
            background: rgba(255,255,255,0.1);
        }

        .navbar-custom .nav-menu a.active {
            color: var(--primary);
            background: rgba(255,107,53,0.15);
        }

        .navbar-custom .nav-menu a.active::after {
            content: '';
            position: absolute;
            bottom: -2px;
            left: 50%;
            transform: translateX(-50%);
            width: 60%;
            height: 3px;
            background: var(--primary);
            border-radius: 2px;
        }

        .navbar-custom .nav-right {
            display: flex;
            align-items: center;
            gap: 16px;
        }

        .navbar-custom .search-icon {
            color: rgba(255,255,255,0.7);
            font-size: 1.1rem;
            cursor: pointer;
            transition: color var(--transition);
            padding: 6px;
        }
        .navbar-custom .search-icon:hover {
            color: var(--primary);
        }

        .btn-nav-cta {
            background: var(--primary);
            color: #ffffff;
            border: none;
            border-radius: var(--radius-sm);
            padding: 8px 22px;
            font-size: 0.9rem;
            font-weight: 600;
            transition: all var(--transition);
            white-space: nowrap;
            text-decoration: none;
            display: inline-block;
        }
        .btn-nav-cta:hover {
            background: var(--primary-dark);
            color: #ffffff;
            transform: translateY(-2px);
            box-shadow: 0 4px 12px rgba(255,107,53,0.35);
        }

        .navbar-toggler-custom {
            display: none;
            background: transparent;
            border: none;
            color: #ffffff;
            font-size: 1.5rem;
            cursor: pointer;
            padding: 4px 8px;
        }

        /* ===== Hero Banner ===== */
        .hero-banner {
            margin-top: var(--nav-height);
            position: relative;
            min-height: 420px;
            display: flex;
            align-items: center;
            background: var(--secondary);
            background-image: url('/assets/images/backpic/back-1.png');
            background-size: cover;
            background-position: center;
            background-blend-mode: overlay;
            overflow: hidden;
        }

        .hero-banner::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(26,43,60,0.88) 0%, rgba(26,43,60,0.65) 100%);
            z-index: 1;
        }

        .hero-banner .container {
            position: relative;
            z-index: 2;
            padding-top: 60px;
            padding-bottom: 60px;
        }

        .hero-banner h1 {
            color: #ffffff;
            font-size: 2.8rem;
            font-weight: 700;
            margin-bottom: 16px;
            max-width: 700px;
        }

        .hero-banner h1 span {
            color: var(--primary);
        }

        .hero-banner .lead {
            color: rgba(255,255,255,0.85);
            font-size: 1.2rem;
            max-width: 600px;
            margin-bottom: 28px;
        }

        .hero-banner .hero-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            margin-bottom: 28px;
        }
        .hero-banner .hero-tags .badge {
            background: rgba(255,255,255,0.15);
            color: #ffffff;
            padding: 6px 16px;
            border-radius: 20px;
            font-size: 0.85rem;
            font-weight: 400;
            border: 1px solid rgba(255,255,255,0.2);
        }

        .btn-hero-cta {
            background: var(--primary);
            color: #ffffff;
            border: none;
            border-radius: var(--radius-sm);
            padding: 14px 40px;
            font-size: 1.1rem;
            font-weight: 600;
            transition: all var(--transition);
            text-decoration: none;
            display: inline-block;
        }
        .btn-hero-cta:hover {
            background: var(--primary-dark);
            color: #ffffff;
            transform: translateY(-3px);
            box-shadow: 0 8px 24px rgba(255,107,53,0.4);
        }

        .btn-outline-hero {
            background: transparent;
            color: #ffffff;
            border: 2px solid rgba(255,255,255,0.5);
            border-radius: var(--radius-sm);
            padding: 12px 32px;
            font-size: 1.1rem;
            font-weight: 600;
            transition: all var(--transition);
            text-decoration: none;
            display: inline-block;
            margin-left: 12px;
        }
        .btn-outline-hero:hover {
            background: rgba(255,255,255,0.1);
            color: #ffffff;
            border-color: #ffffff;
        }

        /* ===== Sections ===== */
        .section-padding {
            padding-top: var(--spacing-section);
            padding-bottom: var(--spacing-section);
        }

        .section-title {
            text-align: center;
            margin-bottom: 48px;
        }
        .section-title h2 {
            margin-bottom: 12px;
        }
        .section-title p {
            color: var(--text-muted);
            max-width: 640px;
            margin: 0 auto;
            font-size: 1.05rem;
        }

        .bg-light-custom {
            background: var(--bg-main);
        }
        .bg-white-custom {
            background: #ffffff;
        }
        .bg-dark-custom {
            background: var(--secondary);
            color: rgba(255,255,255,0.85);
        }
        .bg-dark-custom h2,
        .bg-dark-custom h3,
        .bg-dark-custom h4 {
            color: #ffffff;
        }
        .bg-dark-custom .text-muted {
            color: rgba(255,255,255,0.6) !important;
        }

        /* ===== Cards ===== */
        .card-custom {
            background: var(--bg-card);
            border: none;
            border-radius: var(--radius);
            box-shadow: var(--shadow);
            transition: all var(--transition);
            overflow: hidden;
            height: 100%;
        }
        .card-custom:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-4px);
        }
        .card-custom .card-img-top {
            width: 100%;
            height: 200px;
            object-fit: cover;
        }
        .card-custom .card-body {
            padding: 24px;
        }
        .card-custom .card-title {
            font-size: 1.15rem;
            font-weight: 600;
            margin-bottom: 10px;
            color: var(--text-dark);
        }
        .card-custom .card-text {
            color: var(--text-muted);
            font-size: 0.95rem;
            line-height: 1.6;
        }
        .card-custom .card-footer {
            background: transparent;
            border-top: 1px solid var(--border-color);
            padding: 16px 24px;
        }

        .card-feature {
            text-align: center;
            padding: 32px 20px;
        }
        .card-feature .icon-wrap {
            width: 64px;
            height: 64px;
            margin: 0 auto 18px;
            background: var(--primary-light);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.8rem;
            color: var(--primary);
            transition: all var(--transition);
        }
        .card-feature:hover .icon-wrap {
            background: var(--primary);
            color: #ffffff;
        }
        .card-feature h5 {
            margin-bottom: 10px;
        }

        /* ===== Flow / Timeline ===== */
        .flow-step {
            display: flex;
            gap: 24px;
            align-items: flex-start;
            margin-bottom: 32px;
            position: relative;
        }
        .flow-step:last-child {
            margin-bottom: 0;
        }
        .flow-step .step-num {
            flex-shrink: 0;
            width: 48px;
            height: 48px;
            background: var(--primary);
            color: #ffffff;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 1.2rem;
            position: relative;
            z-index: 2;
        }
        .flow-step .step-content {
            flex: 1;
            padding-top: 4px;
        }
        .flow-step .step-content h5 {
            margin-bottom: 4px;
        }
        .flow-step .step-content p {
            color: var(--text-muted);
            margin-bottom: 0;
        }
        .flow-connector {
            position: relative;
            padding-left: 24px;
        }
        .flow-connector::before {
            content: '';
            position: absolute;
            left: 24px;
            top: 48px;
            bottom: 0;
            width: 2px;
            background: var(--border-color);
            z-index: 1;
        }
        .flow-connector .flow-step:last-child::after {
            display: none;
        }

        /* ===== Badge / Tag ===== */
        .badge-custom {
            display: inline-block;
            padding: 4px 14px;
            border-radius: 20px;
            font-size: 0.8rem;
            font-weight: 500;
            background: var(--primary-light);
            color: var(--primary);
        }
        .badge-gold {
            background: rgba(247,201,72,0.2);
            color: #b8860b;
        }
        .badge-green {
            background: rgba(40,167,69,0.15);
            color: var(--accent-green);
        }

        /* ===== Number Stats ===== */
        .stat-item {
            text-align: center;
            padding: 20px;
        }
        .stat-item .stat-number {
            font-size: 2.5rem;
            font-weight: 700;
            color: var(--primary);
            line-height: 1.2;
        }
        .stat-item .stat-label {
            color: var(--text-muted);
            font-size: 0.95rem;
            margin-top: 4px;
        }

        /* ===== FAQ ===== */
        .accordion-custom .accordion-item {
            border: none;
            border-radius: var(--radius-sm);
            margin-bottom: 12px;
            background: #ffffff;
            box-shadow: var(--shadow);
            overflow: hidden;
        }
        .accordion-custom .accordion-button {
            font-weight: 600;
            color: var(--text-dark);
            background: #ffffff;
            padding: 18px 24px;
            font-size: 1rem;
            box-shadow: none !important;
            border: none;
        }
        .accordion-custom .accordion-button:not(.collapsed) {
            color: var(--primary);
            background: var(--primary-light);
        }
        .accordion-custom .accordion-button::after {
            background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='%23FF6B35'%3E%3Cpath fill-rule='evenodd' d='M1.646 4.646a.5.5 0 0 1 .708 0L8 10.293l5.646-5.647a.5.5 0 0 1 .708.708l-6 6a.5.5 0 0 1-.708 0l-6-6a.5.5 0 0 1 0-.708z'/%3E%3C/svg%3E");
        }
        .accordion-custom .accordion-body {
            padding: 0 24px 20px;
            color: var(--text-muted);
            line-height: 1.7;
        }

        /* ===== CTA Section ===== */
        .cta-section {
            background: var(--secondary);
            background-image: url('/assets/images/backpic/back-2.webp');
            background-size: cover;
            background-position: center;
            background-blend-mode: overlay;
            position: relative;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(26,43,60,0.9) 0%, rgba(26,43,60,0.7) 100%);
            z-index: 1;
        }
        .cta-section .container {
            position: relative;
            z-index: 2;
        }
        .cta-section h2 {
            color: #ffffff;
        }
        .cta-section p {
            color: rgba(255,255,255,0.8);
        }

        /* ===== Footer ===== */
        .site-footer {
            background: var(--secondary);
            color: rgba(255,255,255,0.7);
            padding: 60px 0 0;
            font-size: 0.95rem;
        }

        .site-footer .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1.2fr;
            gap: 40px;
            margin-bottom: 40px;
        }

        .site-footer .logo {
            font-size: 1.5rem;
            font-weight: 700;
            color: #ffffff;
            display: block;
            margin-bottom: 12px;
        }

        .site-footer h5 {
            color: #ffffff;
            margin-bottom: 16px;
            font-size: 1rem;
        }

        .site-footer a {
            color: rgba(255,255,255,0.6);
            display: block;
            margin-bottom: 8px;
            transition: color var(--transition);
        }
        .site-footer a:hover {
            color: var(--primary);
        }

        .site-footer .social-links {
            display: flex;
            gap: 14px;
            margin-top: 16px;
        }
        .site-footer .social-links a {
            font-size: 1.3rem;
            color: rgba(255,255,255,0.5);
            margin-bottom: 0;
        }
        .site-footer .social-links a:hover {
            color: var(--primary);
        }

        .site-footer .footer-contact p {
            margin-bottom: 6px;
            color: rgba(255,255,255,0.6);
        }
        .site-footer .footer-contact i {
            width: 20px;
            margin-right: 6px;
            color: var(--primary);
        }

        .site-footer .footer-bottom {
            border-top: 1px solid rgba(255,255,255,0.1);
            padding: 20px 0;
            text-align: center;
            font-size: 0.85rem;
            color: rgba(255,255,255,0.4);
        }

        /* ===== Buttons ===== */
        .btn-primary-custom {
            background: var(--primary);
            color: #ffffff;
            border: none;
            border-radius: var(--radius-sm);
            padding: 12px 32px;
            font-size: 1rem;
            font-weight: 600;
            transition: all var(--transition);
            display: inline-block;
            text-decoration: none;
        }
        .btn-primary-custom:hover {
            background: var(--primary-dark);
            color: #ffffff;
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(255,107,53,0.3);
        }

        .btn-outline-custom {
            background: transparent;
            color: var(--primary);
            border: 2px solid var(--primary);
            border-radius: var(--radius-sm);
            padding: 10px 28px;
            font-size: 1rem;
            font-weight: 600;
            transition: all var(--transition);
            display: inline-block;
            text-decoration: none;
        }
        .btn-outline-custom:hover {
            background: var(--primary);
            color: #ffffff;
            transform: translateY(-2px);
        }

        /* ===== Responsive ===== */
        @media (max-width: 992px) {
            .navbar-custom {
                padding: 0 16px;
            }
            .navbar-custom .nav-left {
                gap: 16px;
                width: 100%;
                justify-content: space-between;
            }
            .navbar-custom .nav-menu {
                display: none;
                flex-direction: column;
                position: absolute;
                top: var(--nav-height);
                left: 0;
                right: 0;
                background: var(--secondary);
                padding: 16px 20px;
                gap: 4px;
                box-shadow: 0 8px 24px rgba(0,0,0,0.2);
                border-top: 1px solid rgba(255,255,255,0.05);
            }
            .navbar-custom .nav-menu.open {
                display: flex;
            }
            .navbar-custom .nav-menu a {
                padding: 10px 16px;
                font-size: 1rem;
            }
            .navbar-toggler-custom {
                display: block;
            }
            .navbar-custom .nav-right {
                display: none;
            }
            .navbar-custom .nav-right.mobile-show {
                display: flex;
                gap: 12px;
                margin-top: 12px;
            }

            .hero-banner h1 {
                font-size: 2rem;
            }
            .hero-banner .lead {
                font-size: 1rem;
            }
            .btn-hero-cta, .btn-outline-hero {
                padding: 12px 28px;
                font-size: 1rem;
            }
            .btn-outline-hero {
                margin-left: 0;
                margin-top: 10px;
            }

            .section-padding {
                padding-top: var(--spacing-section-mobile);
                padding-bottom: var(--spacing-section-mobile);
            }
            h1 { font-size: 2rem; }
            h2 { font-size: 1.6rem; }
            h3 { font-size: 1.25rem; }

            .site-footer .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 30px;
            }

            .stat-item .stat-number {
                font-size: 2rem;
            }
        }

        @media (max-width: 768px) {
            .hero-banner {
                min-height: 320px;
            }
            .hero-banner h1 {
                font-size: 1.6rem;
            }
            .hero-banner .container {
                padding-top: 40px;
                padding-bottom: 40px;
            }
            .hero-banner .hero-tags .badge {
                font-size: 0.75rem;
                padding: 4px 12px;
            }

            .site-footer .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }

            .flow-step {
                gap: 16px;
            }
            .flow-step .step-num {
                width: 40px;
                height: 40px;
                font-size: 1rem;
            }

            .card-custom .card-img-top {
                height: 160px;
            }
        }

        @media (max-width: 576px) {
            .hero-banner h1 {
                font-size: 1.4rem;
            }
            .hero-banner .lead {
                font-size: 0.9rem;
            }
            .btn-hero-cta, .btn-outline-hero {
                padding: 10px 24px;
                font-size: 0.9rem;
                width: 100%;
                text-align: center;
            }
            .btn-outline-hero {
                margin-left: 0;
                margin-top: 8px;
            }
            .hero-banner .hero-tags {
                justify-content: center;
            }

            .section-title {
                margin-bottom: 32px;
            }
            .section-title h2 {
                font-size: 1.4rem;
            }

            .stat-item .stat-number {
                font-size: 1.8rem;
            }
        }

        /* ===== Utility ===== */
        .gap-8 { gap: 8px; }
        .gap-12 { gap: 12px; }
        .gap-16 { gap: 16px; }
        .gap-24 { gap: 24px; }
        .mt-16 { margin-top: 16px; }
        .mt-24 { margin-top: 24px; }
        .mt-32 { margin-top: 32px; }
        .mb-16 { margin-bottom: 16px; }
        .mb-24 { margin-bottom: 24px; }
        .mb-32 { margin-bottom: 32px; }
        .flex-center {
            display: flex;
            align-items: center;
            justify-content: center;
        }
        .flex-wrap {
            flex-wrap: wrap;
        }

/* roulang page: category2 */
/* ===== 设计变量 ===== */
        :root {
            --primary: #FF6B35;
            --primary-dark: #e55a2b;
            --primary-light: #ff8f5e;
            --secondary: #1A2B3C;
            --secondary-light: #2c4055;
            --accent-gold: #F7C948;
            --accent-green: #28A745;
            --bg-light: #F8F9FA;
            --bg-white: #FFFFFF;
            --text-dark: #1A2B3C;
            --text-body: #333333;
            --text-muted: #666666;
            --text-light: #999999;
            --border-color: #e8e8e8;
            --radius: 12px;
            --radius-sm: 8px;
            --shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
            --shadow-hover: 0 4px 16px rgba(0, 0, 0, 0.12);
            --transition: all 0.3s ease;
            --font-family: system-ui, -apple-system, 'Microsoft YaHei', 'PingFang SC', sans-serif;
            --container-max: 1200px;
            --nav-height: 60px;
        }

        /* ===== 基础 Reset ===== */
        *,
        *::before,
        *::after {
            box-sizing: border-box;
        }
        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }
        body {
            margin: 0;
            padding: 0;
            font-family: var(--font-family);
            font-size: 1rem;
            line-height: 1.7;
            color: var(--text-body);
            background: var(--bg-light);
            -webkit-font-smoothing: antialiased;
        }
        a {
            color: var(--primary);
            text-decoration: none;
            transition: var(--transition);
        }
        a:hover {
            color: var(--primary-dark);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button,
        input,
        textarea,
        select {
            font-family: inherit;
            font-size: inherit;
        }
        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            color: var(--text-dark);
            font-weight: 700;
            margin-top: 0;
            line-height: 1.3;
        }
        p {
            margin-top: 0;
            margin-bottom: 1rem;
        }

        /* ===== 容器 ===== */
        .container {
            max-width: var(--container-max);
            padding-left: 15px;
            padding-right: 15px;
            margin: 0 auto;
        }

        /* ===== 导航 ===== */
        .navbar-custom {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            background: var(--secondary);
            height: var(--nav-height);
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 0 40px;
            box-shadow: 0 2px 12px rgba(0, 0, 0, 0.15);
        }
        .navbar-custom .nav-left {
            display: flex;
            align-items: center;
            gap: 32px;
        }
        .navbar-custom .logo {
            font-size: 1.25rem;
            font-weight: 700;
            color: var(--bg-white);
            letter-spacing: 0.5px;
            white-space: nowrap;
        }
        .navbar-custom .logo:hover {
            color: var(--primary);
        }
        .navbar-toggler-custom {
            display: none;
            background: none;
            border: none;
            color: var(--bg-white);
            font-size: 1.3rem;
            cursor: pointer;
            padding: 4px 8px;
        }
        .navbar-custom .nav-menu {
            display: flex;
            align-items: center;
            gap: 24px;
        }
        .navbar-custom .nav-menu a {
            color: rgba(255, 255, 255, 0.8);
            font-size: 0.95rem;
            font-weight: 500;
            padding: 4px 0;
            position: relative;
            transition: var(--transition);
            white-space: nowrap;
        }
        .navbar-custom .nav-menu a::after {
            content: '';
            position: absolute;
            bottom: -2px;
            left: 0;
            width: 0;
            height: 2px;
            background: var(--primary);
            transition: width 0.3s ease;
        }
        .navbar-custom .nav-menu a:hover {
            color: var(--bg-white);
        }
        .navbar-custom .nav-menu a:hover::after {
            width: 100%;
        }
        .navbar-custom .nav-menu a.active {
            color: var(--primary);
        }
        .navbar-custom .nav-menu a.active::after {
            width: 100%;
            background: var(--primary);
        }
        .navbar-custom .nav-right {
            display: flex;
            align-items: center;
            gap: 20px;
        }
        .navbar-custom .search-icon {
            color: rgba(255, 255, 255, 0.7);
            font-size: 1.1rem;
            cursor: pointer;
            transition: var(--transition);
        }
        .navbar-custom .search-icon:hover {
            color: var(--primary);
        }
        .btn-nav-cta {
            background: var(--primary);
            color: var(--bg-white) !important;
            padding: 8px 20px;
            border-radius: var(--radius-sm);
            font-weight: 600;
            font-size: 0.9rem;
            transition: var(--transition);
            border: none;
            cursor: pointer;
            white-space: nowrap;
        }
        .btn-nav-cta:hover {
            background: var(--primary-dark);
            transform: translateY(-2px);
            box-shadow: 0 4px 12px rgba(255, 107, 53, 0.3);
        }

        /* ===== Hero 区域 ===== */
        .hero-section {
            margin-top: var(--nav-height);
            min-height: 85vh;
            display: flex;
            align-items: stretch;
            background: var(--secondary);
        }
        .hero-section .row {
            min-height: 85vh;
        }
        .hero-left {
            display: flex;
            flex-direction: column;
            justify-content: center;
            padding: 60px 50px;
            background: var(--secondary);
            color: var(--bg-white);
        }
        .hero-left .hero-tag {
            display: inline-block;
            background: rgba(255, 107, 53, 0.2);
            color: var(--primary);
            padding: 4px 16px;
            border-radius: 20px;
            font-size: 0.85rem;
            font-weight: 600;
            margin-bottom: 20px;
            letter-spacing: 0.5px;
            width: fit-content;
        }
        .hero-left h1 {
            font-size: 2.8rem;
            font-weight: 700;
            color: var(--bg-white);
            margin-bottom: 20px;
            line-height: 1.2;
        }
        .hero-left h1 span {
            color: var(--primary);
        }
        .hero-left .hero-sub {
            font-size: 1.1rem;
            color: rgba(255, 255, 255, 0.8);
            line-height: 1.7;
            margin-bottom: 32px;
            max-width: 520px;
        }
        .hero-left .hero-cta {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
        }
        .hero-left .btn-hero-primary {
            background: var(--primary);
            color: var(--bg-white);
            padding: 14px 36px;
            border-radius: var(--radius-sm);
            font-weight: 600;
            font-size: 1.05rem;
            border: none;
            cursor: pointer;
            transition: var(--transition);
        }
        .hero-left .btn-hero-primary:hover {
            background: var(--primary-dark);
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(255, 107, 53, 0.35);
        }
        .hero-left .btn-hero-outline {
            background: transparent;
            color: var(--bg-white);
            padding: 14px 36px;
            border-radius: var(--radius-sm);
            font-weight: 600;
            font-size: 1.05rem;
            border: 2px solid rgba(255, 255, 255, 0.3);
            cursor: pointer;
            transition: var(--transition);
        }
        .hero-left .btn-hero-outline:hover {
            border-color: var(--primary);
            color: var(--primary);
            background: rgba(255, 107, 53, 0.1);
        }
        .hero-right {
            background: url('/assets/images/backpic/back-1.png') center center / cover no-repeat;
            position: relative;
            min-height: 40vh;
        }
        .hero-right::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(26, 43, 60, 0.6) 0%, transparent 70%);
        }
        .hero-right>* {
            position: relative;
            z-index: 1;
        }

        /* ===== 通用板块 ===== */
        .section-padding {
            padding: 80px 0;
        }
        .section-title {
            text-align: center;
            margin-bottom: 48px;
        }
        .section-title h2 {
            font-size: 2.2rem;
            font-weight: 700;
            color: var(--text-dark);
            margin-bottom: 12px;
        }
        .section-title p {
            font-size: 1.05rem;
            color: var(--text-muted);
            max-width: 640px;
            margin: 0 auto;
        }
        .section-title .title-badge {
            display: inline-block;
            background: rgba(255, 107, 53, 0.12);
            color: var(--primary);
            padding: 4px 18px;
            border-radius: 20px;
            font-size: 0.85rem;
            font-weight: 600;
            margin-bottom: 12px;
        }

        /* ===== 数据统计 ===== */
        .stats-section {
            background: var(--bg-white);
            padding: 60px 0;
        }
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 30px;
            text-align: center;
        }
        .stat-item .stat-number {
            font-size: 2.8rem;
            font-weight: 800;
            color: var(--primary);
            line-height: 1.2;
            margin-bottom: 4px;
        }
        .stat-item .stat-label {
            font-size: 1rem;
            color: var(--text-muted);
            font-weight: 500;
        }
        .stat-item .stat-icon {
            font-size: 2rem;
            color: var(--secondary);
            margin-bottom: 12px;
            opacity: 0.15;
        }

        /* ===== 精彩瞬间卡片 ===== */
        .highlights-section {
            background: var(--bg-light);
        }
        .highlight-card {
            background: var(--bg-white);
            border-radius: var(--radius);
            overflow: hidden;
            box-shadow: var(--shadow);
            transition: var(--transition);
            height: 100%;
            display: flex;
            flex-direction: column;
        }
        .highlight-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
        }
        .highlight-card .card-img {
            height: 200px;
            background: var(--secondary-light);
            position: relative;
            overflow: hidden;
        }
        .highlight-card .card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }
        .highlight-card:hover .card-img img {
            transform: scale(1.05);
        }
        .highlight-card .card-img .card-tag {
            position: absolute;
            top: 12px;
            left: 12px;
            background: var(--primary);
            color: var(--bg-white);
            padding: 3px 12px;
            border-radius: 4px;
            font-size: 0.75rem;
            font-weight: 600;
        }
        .highlight-card .card-body {
            padding: 24px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .highlight-card .card-body h3 {
            font-size: 1.15rem;
            font-weight: 700;
            color: var(--text-dark);
            margin-bottom: 8px;
            line-height: 1.4;
        }
        .highlight-card .card-body p {
            font-size: 0.92rem;
            color: var(--text-muted);
            line-height: 1.6;
            flex: 1;
            margin-bottom: 16px;
        }
        .highlight-card .card-body .card-meta {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding-top: 12px;
            border-top: 1px solid var(--border-color);
            font-size: 0.85rem;
            color: var(--text-light);
        }
        .highlight-card .card-body .card-meta i {
            margin-right: 4px;
            color: var(--primary);
        }

        /* ===== 时间线 ===== */
        .timeline-section {
            background: var(--bg-white);
        }
        .timeline-wrapper {
            position: relative;
            padding: 20px 0;
        }
        .timeline-wrapper::before {
            content: '';
            position: absolute;
            left: 50%;
            top: 0;
            bottom: 0;
            width: 3px;
            background: linear-gradient(to bottom, var(--primary), var(--secondary));
            transform: translateX(-50%);
            border-radius: 2px;
        }
        .timeline-item {
            display: flex;
            align-items: flex-start;
            margin-bottom: 48px;
            position: relative;
        }
        .timeline-item:nth-child(odd) {
            flex-direction: row;
        }
        .timeline-item:nth-child(even) {
            flex-direction: row-reverse;
        }
        .timeline-item .timeline-content {
            width: 42%;
            background: var(--bg-light);
            padding: 24px 28px;
            border-radius: var(--radius);
            box-shadow: var(--shadow);
            transition: var(--transition);
        }
        .timeline-item .timeline-content:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-2px);
        }
        .timeline-item .timeline-content .tl-date {
            display: inline-block;
            background: var(--primary);
            color: var(--bg-white);
            padding: 2px 14px;
            border-radius: 4px;
            font-size: 0.8rem;
            font-weight: 600;
            margin-bottom: 8px;
        }
        .timeline-item .timeline-content h4 {
            font-size: 1.1rem;
            font-weight: 700;
            margin-bottom: 6px;
        }
        .timeline-item .timeline-content p {
            font-size: 0.92rem;
            color: var(--text-muted);
            margin-bottom: 0;
        }
        .timeline-item .timeline-dot {
            position: absolute;
            left: 50%;
            top: 28px;
            transform: translateX(-50%);
            width: 20px;
            height: 20px;
            border-radius: 50%;
            background: var(--primary);
            border: 4px solid var(--bg-white);
            box-shadow: 0 0 0 3px var(--primary);
            z-index: 2;
        }
        .timeline-item .timeline-spacer {
            width: 42%;
        }

        /* ===== 参与者评价 ===== */
        .testimonials-section {
            background: var(--secondary);
            color: var(--bg-white);
        }
        .testimonials-section .section-title h2 {
            color: var(--bg-white);
        }
        .testimonials-section .section-title p {
            color: rgba(255, 255, 255, 0.7);
        }
        .testimonial-card {
            background: rgba(255, 255, 255, 0.08);
            border-radius: var(--radius);
            padding: 32px 28px;
            backdrop-filter: blur(4px);
            transition: var(--transition);
            height: 100%;
        }
        .testimonial-card:hover {
            background: rgba(255, 255, 255, 0.14);
            transform: translateY(-3px);
        }
        .testimonial-card .quote-icon {
            color: var(--primary);
            font-size: 1.8rem;
            margin-bottom: 12px;
            opacity: 0.6;
        }
        .testimonial-card .quote-text {
            font-size: 0.98rem;
            line-height: 1.7;
            color: rgba(255, 255, 255, 0.9);
            margin-bottom: 20px;
            font-style: italic;
        }
        .testimonial-card .quote-author {
            display: flex;
            align-items: center;
            gap: 14px;
        }
        .testimonial-card .quote-author .avatar {
            width: 48px;
            height: 48px;
            border-radius: 50%;
            background: var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--bg-white);
            font-weight: 700;
            font-size: 1.1rem;
        }
        .testimonial-card .quote-author .author-info strong {
            display: block;
            color: var(--bg-white);
            font-size: 0.95rem;
        }
        .testimonial-card .quote-author .author-info span {
            font-size: 0.82rem;
            color: rgba(255, 255, 255, 0.6);
        }

        /* ===== FAQ ===== */
        .faq-section {
            background: var(--bg-light);
        }
        .accordion-custom .accordion-item {
            border: none;
            margin-bottom: 12px;
            border-radius: var(--radius) !important;
            overflow: hidden;
            box-shadow: var(--shadow);
            background: var(--bg-white);
        }
        .accordion-custom .accordion-button {
            font-weight: 600;
            font-size: 1.02rem;
            color: var(--text-dark);
            background: var(--bg-white);
            padding: 18px 24px;
            border: none;
            box-shadow: none;
        }
        .accordion-custom .accordion-button:not(.collapsed) {
            color: var(--primary);
            background: var(--bg-white);
            box-shadow: none;
        }
        .accordion-custom .accordion-button:focus {
            box-shadow: none;
            border-color: transparent;
        }
        .accordion-custom .accordion-button::after {
            background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' fill='%23FF6B35' viewBox='0 0 16 16'%3E%3Cpath fill-rule='evenodd' d='M1.646 4.646a.5.5 0 0 1 .708 0L8 10.293l5.646-5.647a.5.5 0 0 1 .708.708l-6 6a.5.5 0 0 1-.708 0l-6-6a.5.5 0 0 1 0-.708z'/%3E%3C/svg%3E");
        }
        .accordion-custom .accordion-body {
            padding: 0 24px 20px;
            font-size: 0.95rem;
            color: var(--text-muted);
            line-height: 1.7;
        }

        /* ===== CTA ===== */
        .cta-section {
            background: var(--secondary);
            position: relative;
            overflow: hidden;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            top: -50%;
            right: -20%;
            width: 500px;
            height: 500px;
            border-radius: 50%;
            background: rgba(255, 107, 53, 0.08);
        }
        .cta-section .cta-inner {
            position: relative;
            z-index: 1;
            text-align: center;
            padding: 60px 20px;
        }
        .cta-section h2 {
            font-size: 2.2rem;
            color: var(--bg-white);
            margin-bottom: 16px;
        }
        .cta-section p {
            font-size: 1.1rem;
            color: rgba(255, 255, 255, 0.8);
            max-width: 560px;
            margin: 0 auto 32px;
        }
        .cta-section .btn-cta-big {
            background: var(--primary);
            color: var(--bg-white);
            padding: 16px 48px;
            border-radius: var(--radius-sm);
            font-weight: 700;
            font-size: 1.1rem;
            border: none;
            cursor: pointer;
            transition: var(--transition);
            display: inline-block;
        }
        .cta-section .btn-cta-big:hover {
            background: var(--primary-dark);
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(255, 107, 53, 0.35);
        }

        /* ===== 页脚 ===== */
        .site-footer {
            background: var(--secondary);
            padding: 60px 0 0;
            color: rgba(255, 255, 255, 0.8);
        }
        .site-footer .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1.5fr;
            gap: 40px;
            padding-bottom: 40px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
        }
        .site-footer .footer-brand .logo {
            font-size: 1.4rem;
            font-weight: 700;
            color: var(--bg-white);
            display: block;
            margin-bottom: 16px;
        }
        .site-footer .footer-brand p {
            font-size: 0.9rem;
            color: rgba(255, 255, 255, 0.6);
            line-height: 1.7;
            margin-bottom: 20px;
        }
        .site-footer .social-links {
            display: flex;
            gap: 16px;
        }
        .site-footer .social-links a {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.08);
            color: rgba(255, 255, 255, 0.7);
            font-size: 1.1rem;
            transition: var(--transition);
        }
        .site-footer .social-links a:hover {
            background: var(--primary);
            color: var(--bg-white);
            transform: translateY(-2px);
        }
        .site-footer h5 {
            color: var(--bg-white);
            font-size: 1rem;
            font-weight: 700;
            margin-bottom: 20px;
        }
        .site-footer a {
            display: block;
            color: rgba(255, 255, 255, 0.6);
            font-size: 0.9rem;
            margin-bottom: 10px;
            transition: var(--transition);
        }
        .site-footer a:hover {
            color: var(--primary);
            padding-left: 4px;
        }
        .site-footer .footer-contact p {
            font-size: 0.9rem;
            color: rgba(255, 255, 255, 0.6);
            margin-bottom: 8px;
        }
        .site-footer .footer-contact i {
            width: 20px;
            color: var(--primary);
            margin-right: 6px;
        }
        .site-footer .footer-bottom {
            padding: 24px 0;
            text-align: center;
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.4);
        }
        .site-footer .footer-bottom a {
            display: inline;
            color: rgba(255, 255, 255, 0.6);
            margin: 0;
        }
        .site-footer .footer-bottom a:hover {
            color: var(--primary);
            padding: 0;
        }

        /* ===== 响应式 ===== */
        @media (max-width: 992px) {
            .navbar-custom {
                padding: 0 20px;
            }
            .navbar-custom .nav-menu {
                gap: 16px;
            }
            .navbar-custom .nav-menu a {
                font-size: 0.88rem;
            }
            .hero-left {
                padding: 40px 30px;
            }
            .hero-left h1 {
                font-size: 2.2rem;
            }
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 24px;
            }
            .timeline-wrapper::before {
                left: 20px;
            }
            .timeline-item,
            .timeline-item:nth-child(even) {
                flex-direction: row !important;
                padding-left: 50px;
            }
            .timeline-item .timeline-content {
                width: 100% !important;
            }
            .timeline-item .timeline-dot {
                left: 20px;
                top: 24px;
                transform: translateX(-50%);
            }
            .timeline-item .timeline-spacer {
                display: none;
            }
            .site-footer .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 30px;
            }
        }
        @media (max-width: 768px) {
            .navbar-custom {
                padding: 0 16px;
                flex-wrap: wrap;
            }
            .navbar-toggler-custom {
                display: block;
            }
            .navbar-custom .nav-menu {
                display: none;
                position: absolute;
                top: var(--nav-height);
                left: 0;
                right: 0;
                background: var(--secondary);
                flex-direction: column;
                padding: 16px 24px;
                gap: 8px;
                box-shadow: 0 8px 24px rgba(0, 0, 0, 0.3);
            }
            .navbar-custom .nav-menu.open {
                display: flex;
            }
            .navbar-custom .nav-menu a {
                padding: 8px 0;
                font-size: 0.95rem;
            }
            .navbar-custom .nav-right .search-icon {
                display: none;
            }
            .hero-left h1 {
                font-size: 1.8rem;
            }
            .hero-left .hero-sub {
                font-size: 0.95rem;
            }
            .hero-left .hero-cta {
                flex-direction: column;
                gap: 12px;
            }
            .hero-left .hero-cta .btn-hero-primary,
            .hero-left .hero-cta .btn-hero-outline {
                width: 100%;
                text-align: center;
            }
            .section-padding {
                padding: 50px 0;
            }
            .section-title h2 {
                font-size: 1.7rem;
            }
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 16px;
            }
            .stat-item .stat-number {
                font-size: 2rem;
            }
            .site-footer .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .cta-section h2 {
                font-size: 1.6rem;
            }
            .hero-section .row {
                min-height: auto;
            }
            .hero-right {
                min-height: 300px;
            }
        }
        @media (max-width: 520px) {
            .navbar-custom .logo {
                font-size: 1rem;
            }
            .btn-nav-cta {
                padding: 6px 14px;
                font-size: 0.8rem;
            }
            .hero-left {
                padding: 30px 20px;
            }
            .hero-left h1 {
                font-size: 1.5rem;
            }
            .stats-grid {
                grid-template-columns: 1fr 1fr;
                gap: 12px;
            }
            .stat-item .stat-number {
                font-size: 1.7rem;
            }
            .highlight-card .card-img {
                height: 160px;
            }
            .section-title h2 {
                font-size: 1.4rem;
            }
            .testimonial-card {
                padding: 24px 18px;
            }
        }

/* roulang page: category3 */
/* ===== CSS 设计变量 ===== */
        :root {
            --primary: #FF6B35;
            --primary-dark: #e55a2b;
            --primary-light: #fff0e8;
            --secondary: #1A2B3C;
            --secondary-light: #2a4055;
            --accent-green: #28A745;
            --accent-gold: #F7C948;
            --bg-light: #F8F9FA;
            --bg-white: #FFFFFF;
            --text-dark: #1A2B3C;
            --text-body: #333333;
            --text-muted: #666666;
            --text-light: #999999;
            --border-color: #e8e8e8;
            --radius-sm: 6px;
            --radius-md: 12px;
            --radius-lg: 20px;
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.08);
            --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.12);
            --shadow-lg: 0 8px 30px rgba(0, 0, 0, 0.16);
            --transition: all 0.3s ease;
            --font-base: system-ui, -apple-system, 'Microsoft YaHei', 'PingFang SC', 'Helvetica Neue', sans-serif;
            --container-max: 1200px;
            --nav-height: 64px;
        }

        /* ===== Reset / Base ===== */
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: var(--font-base);
            font-size: 1rem;
            line-height: 1.7;
            color: var(--text-body);
            background: var(--bg-light);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        a {
            color: var(--primary);
            text-decoration: none;
            transition: var(--transition);
        }
        a:hover {
            color: var(--primary-dark);
        }

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

        button,
        input,
        textarea,
        select {
            font-family: inherit;
        }

        /* ===== 容器 ===== */
        .container {
            max-width: var(--container-max);
            padding-left: 20px;
            padding-right: 20px;
            margin: 0 auto;
        }

        /* ===== 导航 ===== */
        .navbar-custom {
            background: var(--secondary);
            height: var(--nav-height);
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 0 24px;
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1030;
            box-shadow: 0 2px 12px rgba(0, 0, 0, 0.15);
        }

        .nav-left {
            display: flex;
            align-items: center;
            gap: 32px;
        }

        .logo {
            font-size: 1.35rem;
            font-weight: 700;
            color: #fff;
            letter-spacing: 0.5px;
            white-space: nowrap;
            transition: var(--transition);
        }
        .logo:hover {
            color: var(--primary);
        }

        .navbar-toggler-custom {
            display: none;
            background: none;
            border: none;
            color: #fff;
            font-size: 1.4rem;
            cursor: pointer;
            padding: 4px 8px;
        }

        .nav-menu {
            display: flex;
            align-items: center;
            gap: 4px;
        }
        .nav-menu a {
            color: rgba(255, 255, 255, 0.85);
            padding: 8px 16px;
            border-radius: var(--radius-sm);
            font-size: 0.95rem;
            font-weight: 500;
            transition: var(--transition);
            position: relative;
        }
        .nav-menu a:hover {
            color: #fff;
            background: rgba(255, 255, 255, 0.1);
        }
        .nav-menu a.active {
            color: #fff;
            background: var(--primary);
        }
        .nav-menu a.active::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 16px;
            right: 16px;
            height: 2px;
            background: var(--primary);
            border-radius: 2px;
        }

        .nav-right {
            display: flex;
            align-items: center;
            gap: 16px;
        }

        .search-icon {
            color: rgba(255, 255, 255, 0.8);
            font-size: 1.1rem;
            cursor: pointer;
            transition: var(--transition);
            padding: 6px 10px;
            border-radius: var(--radius-sm);
        }
        .search-icon:hover {
            color: #fff;
            background: rgba(255, 255, 255, 0.1);
        }

        .btn-nav-cta {
            background: var(--primary);
            color: #fff;
            padding: 8px 22px;
            border-radius: var(--radius-sm);
            font-weight: 600;
            font-size: 0.95rem;
            transition: var(--transition);
            border: none;
            cursor: pointer;
            white-space: nowrap;
        }
        .btn-nav-cta:hover {
            background: var(--primary-dark);
            color: #fff;
            transform: translateY(-1px);
            box-shadow: 0 4px 12px rgba(255, 107, 53, 0.35);
        }

        /* 导航响应式 */
        @media (max-width: 768px) {
            .navbar-toggler-custom {
                display: block;
            }
            .nav-menu {
                display: none;
                position: absolute;
                top: var(--nav-height);
                left: 0;
                right: 0;
                background: var(--secondary);
                flex-direction: column;
                padding: 12px 20px 20px;
                box-shadow: 0 8px 24px rgba(0, 0, 0, 0.2);
                border-radius: 0 0 var(--radius-md) var(--radius-md);
            }
            .nav-menu.open {
                display: flex;
            }
            .nav-menu a {
                padding: 12px 16px;
                width: 100%;
                border-radius: var(--radius-sm);
            }
            .nav-menu a.active::after {
                display: none;
            }
            .nav-left {
                gap: 16px;
                width: 100%;
                justify-content: space-between;
            }
            .nav-right .search-icon {
                display: none;
            }
            .btn-nav-cta {
                padding: 6px 16px;
                font-size: 0.85rem;
            }
        }

        @media (max-width: 480px) {
            .navbar-custom {
                padding: 0 12px;
            }
            .logo {
                font-size: 1.1rem;
            }
            .btn-nav-cta {
                padding: 5px 12px;
                font-size: 0.8rem;
            }
        }

        /* ===== 页面偏移 ===== */
        body {
            padding-top: var(--nav-height);
        }

        /* ===== 分类页标题区域 ===== */
        .category-hero {
            background: var(--secondary);
            position: relative;
            padding: 80px 0 60px;
            overflow: hidden;
        }
        .category-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-1.png') center center / cover no-repeat;
            opacity: 0.15;
            z-index: 0;
        }
        .category-hero .container {
            position: relative;
            z-index: 1;
        }
        .category-hero h1 {
            color: #fff;
            font-size: 2.8rem;
            font-weight: 700;
            margin-bottom: 16px;
            line-height: 1.2;
        }
        .category-hero p.lead {
            color: rgba(255, 255, 255, 0.85);
            font-size: 1.15rem;
            max-width: 640px;
            margin-bottom: 0;
        }
        .category-hero .hero-badge {
            display: inline-block;
            background: var(--primary);
            color: #fff;
            padding: 4px 16px;
            border-radius: 20px;
            font-size: 0.85rem;
            font-weight: 600;
            margin-bottom: 20px;
        }

        @media (max-width: 768px) {
            .category-hero {
                padding: 60px 0 40px;
            }
            .category-hero h1 {
                font-size: 1.8rem;
            }
            .category-hero p.lead {
                font-size: 1rem;
            }
        }

        /* ===== 通用板块 ===== */
        .section-padding {
            padding: 80px 0;
        }
        .section-padding-sm {
            padding: 50px 0;
        }
        .section-title {
            font-size: 2rem;
            font-weight: 700;
            color: var(--text-dark);
            margin-bottom: 12px;
            line-height: 1.2;
        }
        .section-subtitle {
            font-size: 1.05rem;
            color: var(--text-muted);
            max-width: 680px;
            margin-bottom: 40px;
        }
        .text-center .section-subtitle {
            margin-left: auto;
            margin-right: auto;
        }

        @media (max-width: 768px) {
            .section-padding {
                padding: 50px 0;
            }
            .section-title {
                font-size: 1.5rem;
            }
            .section-subtitle {
                font-size: 0.95rem;
                margin-bottom: 28px;
            }
        }

        /* ===== 卡片 ===== */
        .card-custom {
            background: var(--bg-white);
            border: none;
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
            overflow: hidden;
            height: 100%;
        }
        .card-custom:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-3px);
        }
        .card-custom .card-img-top {
            width: 100%;
            height: 200px;
            object-fit: cover;
            border-radius: var(--radius-md) var(--radius-md) 0 0;
        }
        .card-custom .card-body {
            padding: 24px;
        }
        .card-custom .card-title {
            font-size: 1.15rem;
            font-weight: 600;
            color: var(--text-dark);
            margin-bottom: 8px;
        }
        .card-custom .card-text {
            color: var(--text-muted);
            font-size: 0.92rem;
            line-height: 1.6;
            display: -webkit-box;
            -webkit-line-clamp: 3;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .card-custom .card-meta {
            color: var(--text-light);
            font-size: 0.82rem;
            margin-top: 12px;
            display: flex;
            align-items: center;
            gap: 12px;
        }
        .card-custom .badge-tag {
            background: var(--primary-light);
            color: var(--primary);
            padding: 2px 12px;
            border-radius: 12px;
            font-size: 0.75rem;
            font-weight: 600;
        }

        /* ===== 按钮 ===== */
        .btn-primary-custom {
            background: var(--primary);
            color: #fff;
            border: none;
            padding: 12px 32px;
            border-radius: var(--radius-sm);
            font-weight: 600;
            font-size: 1rem;
            transition: var(--transition);
            display: inline-block;
            cursor: pointer;
            text-align: center;
        }
        .btn-primary-custom:hover {
            background: var(--primary-dark);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(255, 107, 53, 0.35);
        }

        .btn-outline-custom {
            background: transparent;
            color: var(--primary);
            border: 2px solid var(--primary);
            padding: 10px 28px;
            border-radius: var(--radius-sm);
            font-weight: 600;
            font-size: 1rem;
            transition: var(--transition);
            display: inline-block;
            cursor: pointer;
            text-align: center;
        }
        .btn-outline-custom:hover {
            background: var(--primary);
            color: #fff;
            transform: translateY(-2px);
        }

        /* ===== 亮点展示 ===== */
        .highlight-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
            gap: 28px;
        }
        .highlight-item {
            background: var(--bg-white);
            border-radius: var(--radius-md);
            padding: 32px 24px;
            text-align: center;
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
        }
        .highlight-item:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-3px);
        }
        .highlight-item .icon-circle {
            width: 64px;
            height: 64px;
            border-radius: 50%;
            background: var(--primary-light);
            color: var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.6rem;
            margin: 0 auto 16px;
            transition: var(--transition);
        }
        .highlight-item:hover .icon-circle {
            background: var(--primary);
            color: #fff;
        }
        .highlight-item h4 {
            font-size: 1.1rem;
            font-weight: 600;
            color: var(--text-dark);
            margin-bottom: 8px;
        }
        .highlight-item p {
            font-size: 0.9rem;
            color: var(--text-muted);
            margin-bottom: 0;
        }

        /* ===== 时间线 ===== */
        .timeline {
            position: relative;
            padding-left: 40px;
            margin-bottom: 0;
        }
        .timeline::before {
            content: '';
            position: absolute;
            left: 16px;
            top: 4px;
            bottom: 4px;
            width: 3px;
            background: var(--primary-light);
            border-radius: 4px;
        }
        .timeline-item {
            position: relative;
            padding-bottom: 36px;
        }
        .timeline-item:last-child {
            padding-bottom: 0;
        }
        .timeline-item .dot {
            position: absolute;
            left: -28px;
            top: 4px;
            width: 18px;
            height: 18px;
            border-radius: 50%;
            background: var(--primary);
            border: 3px solid var(--bg-light);
            z-index: 1;
        }
        .timeline-item .time {
            font-size: 0.82rem;
            color: var(--text-light);
            font-weight: 500;
            margin-bottom: 4px;
        }
        .timeline-item h5 {
            font-size: 1.05rem;
            font-weight: 600;
            color: var(--text-dark);
            margin-bottom: 4px;
        }
        .timeline-item p {
            font-size: 0.9rem;
            color: var(--text-muted);
            margin-bottom: 0;
        }

        @media (max-width: 576px) {
            .timeline {
                padding-left: 32px;
            }
            .timeline::before {
                left: 12px;
            }
            .timeline-item .dot {
                left: -22px;
                width: 14px;
                height: 14px;
            }
        }

        /* ===== 图片展示 ===== */
        .gallery-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }
        .gallery-grid .gallery-item {
            border-radius: var(--radius-md);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
            aspect-ratio: 4 / 3;
        }
        .gallery-grid .gallery-item img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: var(--transition);
        }
        .gallery-grid .gallery-item:hover {
            box-shadow: var(--shadow-md);
            transform: scale(1.02);
        }
        .gallery-grid .gallery-item:hover img {
            transform: scale(1.06);
        }

        @media (max-width: 768px) {
            .gallery-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 12px;
            }
        }
        @media (max-width: 480px) {
            .gallery-grid {
                grid-template-columns: 1fr;
            }
        }

        /* ===== 数据统计 ===== */
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
            text-align: center;
        }
        .stats-item .number {
            font-size: 2.4rem;
            font-weight: 700;
            color: var(--primary);
            line-height: 1.2;
        }
        .stats-item .label {
            font-size: 0.92rem;
            color: var(--text-muted);
            margin-top: 4px;
        }

        @media (max-width: 768px) {
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 20px;
            }
            .stats-item .number {
                font-size: 1.8rem;
            }
        }

        /* ===== FAQ ===== */
        .faq-accordion .accordion-item {
            border: none;
            border-radius: var(--radius-sm);
            margin-bottom: 12px;
            background: var(--bg-white);
            box-shadow: var(--shadow-sm);
            overflow: hidden;
        }
        .faq-accordion .accordion-header {
            background: var(--bg-white);
        }
        .faq-accordion .accordion-button {
            font-size: 1rem;
            font-weight: 600;
            color: var(--text-dark);
            background: var(--bg-white);
            padding: 16px 24px;
            box-shadow: none;
            border: none;
            border-radius: var(--radius-sm);
        }
        .faq-accordion .accordion-button:not(.collapsed) {
            color: var(--primary);
            background: var(--bg-white);
            box-shadow: none;
        }
        .faq-accordion .accordion-button:focus {
            box-shadow: none;
            border-color: transparent;
        }
        .faq-accordion .accordion-button::after {
            background-size: 1rem;
        }
        .faq-accordion .accordion-body {
            padding: 0 24px 20px;
            color: var(--text-muted);
            font-size: 0.95rem;
            line-height: 1.7;
        }

        /* ===== CTA ===== */
        .cta-section {
            background: var(--secondary);
            position: relative;
            overflow: hidden;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-2.webp') center center / cover no-repeat;
            opacity: 0.08;
            z-index: 0;
        }
        .cta-section .container {
            position: relative;
            z-index: 1;
        }
        .cta-section h2 {
            color: #fff;
            font-size: 2rem;
            font-weight: 700;
            margin-bottom: 12px;
        }
        .cta-section p {
            color: rgba(255, 255, 255, 0.8);
            font-size: 1.05rem;
            max-width: 600px;
            margin: 0 auto 28px;
        }
        .cta-section .btn-primary-custom {
            font-size: 1.1rem;
            padding: 14px 40px;
        }

        @media (max-width: 768px) {
            .cta-section h2 {
                font-size: 1.5rem;
            }
            .cta-section p {
                font-size: 0.95rem;
            }
        }

        /* ===== 页脚 ===== */
        .site-footer {
            background: var(--secondary);
            color: rgba(255, 255, 255, 0.8);
            padding: 60px 0 0;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.6fr 1fr 1fr 1.2fr;
            gap: 40px;
            margin-bottom: 40px;
        }
        .footer-brand .logo {
            font-size: 1.4rem;
            font-weight: 700;
            color: #fff;
            display: block;
            margin-bottom: 12px;
        }
        .footer-brand p {
            font-size: 0.9rem;
            line-height: 1.7;
            color: rgba(255, 255, 255, 0.65);
            margin-bottom: 16px;
        }
        .social-links {
            display: flex;
            gap: 12px;
        }
        .social-links a {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.1);
            color: rgba(255, 255, 255, 0.7);
            font-size: 1.1rem;
            transition: var(--transition);
        }
        .social-links a:hover {
            background: var(--primary);
            color: #fff;
            transform: translateY(-2px);
        }

        .site-footer h5 {
            color: #fff;
            font-size: 1rem;
            font-weight: 600;
            margin-bottom: 16px;
            letter-spacing: 0.3px;
        }
        .site-footer a {
            display: block;
            color: rgba(255, 255, 255, 0.65);
            font-size: 0.9rem;
            padding: 4px 0;
            transition: var(--transition);
        }
        .site-footer a:hover {
            color: var(--primary);
            padding-left: 4px;
        }
        .footer-contact p {
            font-size: 0.9rem;
            color: rgba(255, 255, 255, 0.65);
            margin-bottom: 6px;
        }
        .footer-contact p i {
            width: 20px;
            margin-right: 6px;
            color: var(--primary);
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding: 20px 0;
            text-align: center;
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.5);
        }
        .footer-bottom a {
            display: inline;
            color: rgba(255, 255, 255, 0.6);
            padding: 0;
        }
        .footer-bottom a:hover {
            color: var(--primary);
            padding: 0;
        }

        @media (max-width: 992px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 32px;
            }
        }
        @media (max-width: 576px) {
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            .site-footer {
                padding: 40px 0 0;
            }
        }

        /* ===== 滚动动画辅助 ===== */
        .fade-up {
            opacity: 0;
            transform: translateY(30px);
            transition: opacity 0.6s ease, transform 0.6s ease;
        }
        .fade-up.visible {
            opacity: 1;
            transform: translateY(0);
        }

        /* ===== 响应式辅助 ===== */
        @media (max-width: 576px) {
            .container {
                padding-left: 16px;
                padding-right: 16px;
            }
            .highlight-grid {
                grid-template-columns: 1fr 1fr;
                gap: 16px;
            }
            .highlight-item {
                padding: 20px 16px;
            }
            .highlight-item .icon-circle {
                width: 48px;
                height: 48px;
                font-size: 1.2rem;
            }
        }

        @media (max-width: 400px) {
            .highlight-grid {
                grid-template-columns: 1fr;
            }
        }