/* roulang page: index */
/* ===== 设计变量 ===== */
        :root {
            --primary: #0f1d3a;
            --primary-light: #1a2d5a;
            --primary-dark: #080f1f;
            --secondary: #d4a843;
            --secondary-light: #e8c66a;
            --secondary-dark: #b8892e;
            --accent: #e74c3c;
            --accent-light: #f05a4a;
            --bg: #f5f6fa;
            --bg-alt: #eef0f5;
            --bg-dark: #0a1628;
            --text: #1a1a2e;
            --text-light: #6c757d;
            --text-muted: #9ca3af;
            --white: #ffffff;
            --border: #e0e4e8;
            --border-light: #f0f2f5;
            --radius-sm: 8px;
            --radius: 12px;
            --radius-lg: 20px;
            --shadow-sm: 0 2px 8px rgba(0,0,0,0.06);
            --shadow: 0 4px 20px rgba(0,0,0,0.08);
            --shadow-lg: 0 12px 40px rgba(0,0,0,0.12);
            --shadow-glow: 0 0 30px rgba(212,168,67,0.15);
            --transition: all 0.3s cubic-bezier(0.4,0,0.2,1);
            --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
            --container-max: 1200px;
            --nav-height: 72px;
            --mobile-nav-height: 60px;
        }

        /* ===== Reset & Base ===== */
        *, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
        html { scroll-behavior: smooth; font-size: 16px; }
        body {
            font-family: var(--font-sans);
            color: var(--text);
            background: var(--bg);
            line-height: 1.7;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            padding-top: var(--nav-height);
            padding-bottom: 0;
        }
        @media (max-width: 768px) {
            body { padding-top: var(--nav-height); padding-bottom: var(--mobile-nav-height); }
        }
        a { color: var(--secondary); text-decoration: none; transition: var(--transition); }
        a:hover { color: var(--secondary-light); }
        img { max-width: 100%; height: auto; display: block; }
        ul, ol { list-style: none; }
        .container { max-width: var(--container-max); margin: 0 auto; padding: 0 20px; width: 100%; }
        .container-fluid { width: 100%; padding: 0 20px; }

        /* ===== 排版 ===== */
        h1, h2, h3, h4, h5, h6 { font-weight: 700; line-height: 1.25; color: var(--primary); margin-bottom: 0.5rem; }
        h1 { font-size: 2.75rem; letter-spacing: -0.02em; }
        h2 { font-size: 2rem; letter-spacing: -0.01em; }
        h3 { font-size: 1.5rem; }
        h4 { font-size: 1.25rem; }
        p { margin-bottom: 1rem; color: var(--text); }
        .text-gold { color: var(--secondary) !important; }
        .text-muted { color: var(--text-light) !important; }
        .section-title { margin-bottom: 0.75rem; }
        .section-subtitle { color: var(--text-light); font-size: 1.1rem; max-width: 640px; margin: 0 auto 2.5rem; text-align: center; }

        /* ===== 按钮 ===== */
        .btn { border-radius: var(--radius-sm); font-weight: 600; padding: 0.625rem 1.75rem; transition: var(--transition); border: 2px solid transparent; font-size: 0.95rem; display: inline-flex; align-items: center; gap: 0.5rem; }
        .btn-primary { background: var(--secondary); border-color: var(--secondary); color: var(--primary-dark); }
        .btn-primary:hover, .btn-primary:focus { background: var(--secondary-light); border-color: var(--secondary-light); color: var(--primary-dark); transform: translateY(-2px); box-shadow: var(--shadow-glow); }
        .btn-outline { background: transparent; border-color: var(--secondary); color: var(--secondary); }
        .btn-outline:hover, .btn-outline:focus { background: var(--secondary); color: var(--primary-dark); transform: translateY(-2px); }
        .btn-accent { background: var(--accent); border-color: var(--accent); color: var(--white); }
        .btn-accent:hover, .btn-accent:focus { background: var(--accent-light); border-color: var(--accent-light); color: var(--white); transform: translateY(-2px); box-shadow: 0 8px 25px rgba(231,76,60,0.3); }
        .btn-lg { padding: 0.875rem 2.5rem; font-size: 1.1rem; border-radius: var(--radius); }
        .btn-sm { padding: 0.4rem 1rem; font-size: 0.85rem; }
        .btn:active { transform: scale(0.97); }

        /* ===== 导航 ===== */
        .site-header {
            position: fixed; top: 0; left: 0; right: 0; z-index: 1050;
            background: rgba(15,29,58,0.97); backdrop-filter: blur(12px);
            border-bottom: 1px solid rgba(212,168,67,0.15);
            height: var(--nav-height);
            transition: var(--transition);
        }
        .site-header .container { display: flex; align-items: center; justify-content: space-between; height: 100%; }
        .site-logo { font-size: 1.35rem; font-weight: 800; color: var(--white); letter-spacing: 0.5px; display: flex; align-items: center; gap: 0.5rem; }
        .site-logo:hover { color: var(--secondary); }
        .site-logo .logo-icon { width: 36px; height: 36px; background: linear-gradient(135deg, var(--secondary), var(--secondary-light)); border-radius: var(--radius-sm); display: flex; align-items: center; justify-content: center; font-size: 1.1rem; color: var(--primary-dark); font-weight: 900; }
        .desktop-nav { display: flex; align-items: center; gap: 0.25rem; }
        .desktop-nav .nav-link { color: rgba(255,255,255,0.7); padding: 0.5rem 1rem; border-radius: var(--radius-sm); font-weight: 500; font-size: 0.95rem; transition: var(--transition); position: relative; }
        .desktop-nav .nav-link:hover, .desktop-nav .nav-link:focus { color: var(--white); background: rgba(212,168,67,0.1); }
        .desktop-nav .nav-link.active { color: var(--secondary); background: rgba(212,168,67,0.12); }
        .desktop-nav .nav-link.active::after { content: ''; position: absolute; bottom: 2px; left: 50%; transform: translateX(-50%); width: 20px; height: 3px; background: var(--secondary); border-radius: 2px; }
        .desktop-nav .nav-cta { background: var(--secondary); color: var(--primary-dark) !important; padding: 0.5rem 1.25rem !important; border-radius: var(--radius-sm); font-weight: 700; }
        .desktop-nav .nav-cta:hover { background: var(--secondary-light); transform: translateY(-1px); box-shadow: var(--shadow-glow); }
        .desktop-nav .nav-cta.active { background: var(--secondary); color: var(--primary-dark) !important; }
        .desktop-nav .nav-cta.active::after { display: none; }
        .nav-search { display: flex; align-items: center; background: rgba(255,255,255,0.08); border-radius: var(--radius-sm); padding: 0.25rem 0.75rem; margin-left: 0.5rem; border: 1px solid transparent; transition: var(--transition); }
        .nav-search:focus-within { border-color: var(--secondary); background: rgba(255,255,255,0.12); }
        .nav-search input { background: transparent; border: none; color: var(--white); padding: 0.4rem 0.5rem; font-size: 0.85rem; outline: none; width: 120px; }
        .nav-search input::placeholder { color: rgba(255,255,255,0.4); }
        .nav-search button { background: none; border: none; color: rgba(255,255,255,0.6); cursor: pointer; padding: 0.25rem; transition: var(--transition); }
        .nav-search button:hover { color: var(--secondary); }
        .mobile-toggle { display: none; background: none; border: none; color: var(--white); font-size: 1.5rem; cursor: pointer; padding: 0.25rem; }
        .mobile-toggle:focus { outline: 2px solid var(--secondary); outline-offset: 2px; border-radius: 4px; }

        /* 移动端底部导航 */
        .mobile-bottom-nav {
            display: none; position: fixed; bottom: 0; left: 0; right: 0; z-index: 1040;
            background: rgba(15,29,58,0.98); backdrop-filter: blur(12px);
            border-top: 1px solid rgba(212,168,67,0.15);
            height: var(--mobile-nav-height);
            justify-content: space-around; align-items: center;
            padding: 0 8px;
        }
        .mobile-bottom-nav .mob-link { display: flex; flex-direction: column; align-items: center; color: rgba(255,255,255,0.5); font-size: 0.65rem; padding: 4px 12px; border-radius: var(--radius-sm); transition: var(--transition); gap: 2px; min-width: 56px; }
        .mobile-bottom-nav .mob-link i { font-size: 1.2rem; }
        .mobile-bottom-nav .mob-link:hover, .mobile-bottom-nav .mob-link:focus { color: var(--secondary); background: rgba(212,168,67,0.08); }
        .mobile-bottom-nav .mob-link.active { color: var(--secondary); }
        .mobile-bottom-nav .mob-link.active i { text-shadow: 0 0 20px rgba(212,168,67,0.3); }
        .mobile-bottom-nav .mob-cta { background: var(--secondary); color: var(--primary-dark) !important; border-radius: var(--radius-sm); padding: 4px 16px !important; font-weight: 700; }
        .mobile-bottom-nav .mob-cta i { color: var(--primary-dark); }

        @media (max-width: 768px) {
            .desktop-nav { display: none; }
            .mobile-toggle { display: block; }
            .mobile-bottom-nav { display: flex; }
            .nav-search { display: none; }
            .mobile-search { display: flex; margin: 0 12px; flex: 1; max-width: 200px; }
            .mobile-search input { width: 100%; }
        }
        @media (min-width: 769px) {
            .mobile-bottom-nav { display: none !important; }
            .mobile-search { display: none !important; }
        }

        /* ===== Hero ===== */
        .hero {
            position: relative; min-height: 620px; display: flex; align-items: center;
            background: linear-gradient(135deg, var(--bg-dark) 0%, var(--primary) 50%, var(--primary-light) 100%);
            overflow: hidden; padding: 60px 0;
        }
        .hero::before {
            content: ''; position: absolute; inset: 0;
            background: url('/assets/images/backpic/back-1.webp') center center / cover no-repeat;
            opacity: 0.25; mix-blend-mode: overlay;
        }
        .hero::after {
            content: ''; position: absolute; bottom: 0; left: 0; right: 0; height: 120px;
            background: linear-gradient(to top, var(--bg), transparent);
        }
        .hero .container { position: relative; z-index: 2; }
        .hero-badge { display: inline-flex; align-items: center; gap: 0.5rem; background: rgba(212,168,67,0.15); border: 1px solid rgba(212,168,67,0.3); border-radius: 50px; padding: 0.4rem 1.2rem; font-size: 0.85rem; color: var(--secondary); font-weight: 600; margin-bottom: 1.5rem; backdrop-filter: blur(4px); }
        .hero h1 { color: var(--white); font-size: 3rem; font-weight: 800; line-height: 1.15; margin-bottom: 1.25rem; max-width: 720px; }
        .hero h1 span { color: var(--secondary); }
        .hero p { color: rgba(255,255,255,0.75); font-size: 1.15rem; max-width: 580px; margin-bottom: 2rem; line-height: 1.7; }
        .hero .hero-actions { display: flex; flex-wrap: wrap; gap: 1rem; align-items: center; }
        .hero .hero-stats { display: flex; gap: 2.5rem; margin-top: 3rem; flex-wrap: wrap; }
        .hero .hero-stats .stat-item { text-align: center; }
        .hero .hero-stats .stat-num { font-size: 1.75rem; font-weight: 800; color: var(--white); line-height: 1.2; }
        .hero .hero-stats .stat-num span { color: var(--secondary); }
        .hero .hero-stats .stat-label { font-size: 0.85rem; color: rgba(255,255,255,0.5); margin-top: 0.25rem; }
        .hero .hero-image { position: absolute; right: -40px; top: 50%; transform: translateY(-50%); width: 45%; max-width: 520px; opacity: 0.9; border-radius: var(--radius); box-shadow: var(--shadow-lg); }
        @media (max-width: 992px) {
            .hero { min-height: 480px; padding: 40px 0; }
            .hero h1 { font-size: 2.25rem; }
            .hero .hero-image { display: none; }
        }
        @media (max-width: 768px) {
            .hero { min-height: 400px; padding: 30px 0; text-align: center; }
            .hero h1 { font-size: 1.75rem; }
            .hero p { font-size: 1rem; }
            .hero .hero-actions { justify-content: center; }
            .hero .hero-stats { justify-content: center; gap: 1.5rem; }
        }

        /* ===== 板块通用 ===== */
        .section-padding { padding: 80px 0; }
        .section-padding-sm { padding: 50px 0; }
        .section-alt { background: var(--white); }
        .section-dark { background: var(--bg-dark); color: var(--white); }
        .section-dark h2, .section-dark h3, .section-dark .section-subtitle { color: var(--white); }
        .section-dark .section-subtitle { color: rgba(255,255,255,0.6); }
        .bg-gradient-section { background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%); }

        /* ===== 卡片 ===== */
        .card-custom {
            background: var(--white); border-radius: var(--radius); border: 1px solid var(--border);
            box-shadow: var(--shadow-sm); transition: var(--transition); overflow: hidden; height: 100%;
        }
        .card-custom:hover { box-shadow: var(--shadow); transform: translateY(-4px); border-color: var(--secondary); }
        .card-custom .card-img-top { width: 100%; height: 200px; object-fit: cover; border-bottom: 1px solid var(--border); }
        .card-custom .card-body { padding: 1.5rem; }
        .card-custom .card-title { font-size: 1.15rem; font-weight: 700; margin-bottom: 0.5rem; color: var(--primary); }
        .card-custom .card-text { color: var(--text-light); font-size: 0.9rem; line-height: 1.6; }
        .card-custom .card-meta { display: flex; align-items: center; gap: 0.75rem; font-size: 0.8rem; color: var(--text-muted); margin-top: 0.75rem; padding-top: 0.75rem; border-top: 1px solid var(--border-light); }
        .card-custom .card-badge { display: inline-block; background: rgba(212,168,67,0.12); color: var(--secondary); font-size: 0.75rem; font-weight: 600; padding: 0.2rem 0.75rem; border-radius: 50px; margin-bottom: 0.5rem; }
        .card-custom-featured { border: 2px solid var(--secondary); box-shadow: var(--shadow-glow); }
        .card-custom-featured:hover { border-color: var(--secondary-light); }

        /* ===== 优势/特性图标卡片 ===== */
        .feature-card { text-align: center; padding: 2rem 1.5rem; }
        .feature-card .icon-wrap { width: 64px; height: 64px; margin: 0 auto 1.25rem; background: rgba(212,168,67,0.08); border-radius: var(--radius); display: flex; align-items: center; justify-content: center; font-size: 1.75rem; color: var(--secondary); transition: var(--transition); }
        .feature-card:hover .icon-wrap { background: var(--secondary); color: var(--primary-dark); transform: scale(1.05); box-shadow: var(--shadow-glow); }
        .feature-card h4 { font-size: 1.1rem; font-weight: 700; margin-bottom: 0.5rem; }
        .feature-card p { font-size: 0.9rem; color: var(--text-light); }

        /* ===== 统计数据 ===== */
        .stat-block { display: flex; flex-wrap: wrap; gap: 2rem; justify-content: center; }
        .stat-item-large { text-align: center; padding: 1.5rem 2rem; background: rgba(255,255,255,0.05); border-radius: var(--radius); backdrop-filter: blur(4px); border: 1px solid rgba(255,255,255,0.08); min-width: 140px; }
        .stat-item-large .num { font-size: 2.5rem; font-weight: 800; color: var(--secondary); line-height: 1.2; }
        .stat-item-large .label { font-size: 0.9rem; color: rgba(255,255,255,0.6); margin-top: 0.25rem; }

        /* ===== 流程步骤 ===== */
        .step-list { display: flex; gap: 2rem; justify-content: center; flex-wrap: wrap; counter-reset: step; }
        .step-item { flex: 1; min-width: 200px; max-width: 280px; text-align: center; position: relative; padding: 2rem 1.5rem; background: var(--white); border-radius: var(--radius); box-shadow: var(--shadow-sm); border: 1px solid var(--border); transition: var(--transition); }
        .step-item:hover { box-shadow: var(--shadow); transform: translateY(-4px); }
        .step-item::before { counter-increment: step; content: counter(step); position: absolute; top: -14px; left: 50%; transform: translateX(-50%); width: 28px; height: 28px; background: var(--secondary); color: var(--primary-dark); font-weight: 800; font-size: 0.85rem; border-radius: 50%; display: flex; align-items: center; justify-content: center; box-shadow: 0 4px 12px rgba(212,168,67,0.3); }
        .step-item .step-icon { font-size: 2rem; color: var(--secondary); margin-bottom: 1rem; }
        .step-item h5 { font-size: 1.05rem; font-weight: 700; margin-bottom: 0.5rem; }
        .step-item p { font-size: 0.85rem; color: var(--text-light); margin-bottom: 0; }

        /* ===== FAQ ===== */
        .faq-list { max-width: 800px; margin: 0 auto; }
        .faq-item { background: var(--white); border-radius: var(--radius); border: 1px solid var(--border); margin-bottom: 0.75rem; overflow: hidden; transition: var(--transition); }
        .faq-item:hover { border-color: var(--secondary); box-shadow: var(--shadow-sm); }
        .faq-question { width: 100%; background: none; border: none; padding: 1.25rem 1.5rem; font-size: 1rem; font-weight: 600; color: var(--primary); text-align: left; cursor: pointer; display: flex; justify-content: space-between; align-items: center; gap: 1rem; transition: var(--transition); }
        .faq-question:hover, .faq-question:focus { color: var(--secondary); outline: none; }
        .faq-question i { transition: var(--transition); font-size: 0.9rem; color: var(--text-muted); }
        .faq-item.open .faq-question i { transform: rotate(180deg); color: var(--secondary); }
        .faq-answer { padding: 0 1.5rem 1.25rem; color: var(--text-light); font-size: 0.95rem; line-height: 1.7; display: none; }
        .faq-item.open .faq-answer { display: block; }

        /* ===== CTA ===== */
        .cta-section { background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%); position: relative; overflow: hidden; padding: 80px 0; }
        .cta-section::before { content: ''; position: absolute; inset: 0; background: url('/assets/images/backpic/back-2.webp') center center / cover no-repeat; opacity: 0.1; mix-blend-mode: overlay; }
        .cta-section .container { position: relative; z-index: 2; }
        .cta-section h2 { color: var(--white); font-size: 2.25rem; font-weight: 800; }
        .cta-section p { color: rgba(255,255,255,0.7); font-size: 1.1rem; max-width: 560px; margin: 1rem auto 2rem; }
        .cta-section .btn-primary { font-size: 1.1rem; padding: 0.875rem 2.5rem; }

        /* ===== 内容列表（CMS） ===== */
        .content-list { display: grid; grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); gap: 1.5rem; }
        .content-list .list-item { background: var(--white); border-radius: var(--radius); border: 1px solid var(--border); padding: 1.5rem; transition: var(--transition); display: flex; flex-direction: column; }
        .content-list .list-item:hover { box-shadow: var(--shadow); transform: translateY(-3px); border-color: var(--secondary); }
        .content-list .list-item .item-badge { align-self: flex-start; background: rgba(212,168,67,0.1); color: var(--secondary); font-size: 0.7rem; font-weight: 600; padding: 0.2rem 0.7rem; border-radius: 50px; margin-bottom: 0.75rem; text-transform: uppercase; letter-spacing: 0.5px; }
        .content-list .list-item h4 { font-size: 1.05rem; font-weight: 700; margin-bottom: 0.5rem; color: var(--primary); }
        .content-list .list-item h4 a { color: inherit; }
        .content-list .list-item h4 a:hover { color: var(--secondary); }
        .content-list .list-item p { font-size: 0.88rem; color: var(--text-light); flex: 1; margin-bottom: 0.75rem; }
        .content-list .list-item .item-meta { font-size: 0.78rem; color: var(--text-muted); display: flex; gap: 1rem; border-top: 1px solid var(--border-light); padding-top: 0.75rem; }
        .content-list .list-item .item-meta i { margin-right: 0.3rem; }
        .empty-msg { text-align: center; padding: 3rem 1rem; color: var(--text-muted); font-size: 1.1rem; grid-column: 1 / -1; }

        /* ===== 页脚 ===== */
        .site-footer { background: var(--bg-dark); color: rgba(255,255,255,0.6); padding: 50px 0 30px; border-top: 1px solid rgba(212,168,67,0.1); }
        .site-footer h5 { color: var(--white); font-size: 1rem; font-weight: 700; margin-bottom: 1.25rem; }
        .site-footer a { color: rgba(255,255,255,0.5); font-size: 0.9rem; }
        .site-footer a:hover { color: var(--secondary); }
        .site-footer .footer-links li { margin-bottom: 0.5rem; }
        .site-footer .footer-links li i { width: 18px; color: var(--secondary); font-size: 0.75rem; margin-right: 0.5rem; }
        .site-footer .footer-brand { font-size: 1.25rem; font-weight: 800; color: var(--white); margin-bottom: 0.75rem; display: flex; align-items: center; gap: 0.5rem; }
        .site-footer .footer-brand .logo-icon { width: 32px; height: 32px; background: linear-gradient(135deg, var(--secondary), var(--secondary-light)); border-radius: var(--radius-sm); display: flex; align-items: center; justify-content: center; font-size: 1rem; color: var(--primary-dark); font-weight: 900; }
        .site-footer .footer-desc { font-size: 0.9rem; line-height: 1.7; margin-bottom: 1.5rem; max-width: 320px; }
        .site-footer .footer-bottom { border-top: 1px solid rgba(255,255,255,0.06); padding-top: 1.5rem; margin-top: 2.5rem; font-size: 0.82rem; text-align: center; color: rgba(255,255,255,0.35); }
        .site-footer .social-links { display: flex; gap: 0.75rem; }
        .site-footer .social-links a { width: 38px; height: 38px; border-radius: 50%; background: rgba(255,255,255,0.06); display: flex; align-items: center; justify-content: center; color: rgba(255,255,255,0.5); font-size: 1rem; transition: var(--transition); border: 1px solid transparent; }
        .site-footer .social-links a:hover { background: var(--secondary); color: var(--primary-dark); border-color: var(--secondary); transform: translateY(-2px); }

        /* ===== 分隔线/装饰 ===== */
        .divider { width: 60px; height: 4px; background: var(--secondary); border-radius: 2px; margin: 0 auto 1.5rem; }
        .divider-left { margin: 0 0 1.5rem; }

        /* ===== 响应式补充 ===== */
        @media (max-width: 992px) {
            .section-padding { padding: 60px 0; }
            h1 { font-size: 2.25rem; }
            h2 { font-size: 1.75rem; }
            .hero h1 { font-size: 2.25rem; }
            .content-list { grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); }
        }
        @media (max-width: 768px) {
            .section-padding { padding: 40px 0; }
            h1 { font-size: 1.75rem; }
            h2 { font-size: 1.4rem; }
            .hero h1 { font-size: 1.6rem; }
            .hero { min-height: 360px; padding: 24px 0; }
            .hero .hero-stats .stat-num { font-size: 1.35rem; }
            .content-list { grid-template-columns: 1fr; }
            .step-list { flex-direction: column; align-items: center; }
            .step-item { max-width: 100%; width: 100%; }
            .cta-section h2 { font-size: 1.6rem; }
            .site-footer .footer-col { margin-bottom: 2rem; }
            .faq-question { font-size: 0.9rem; padding: 1rem 1.25rem; }
            .faq-answer { font-size: 0.88rem; padding: 0 1.25rem 1rem; }
            .feature-card { padding: 1.5rem 1rem; }
        }
        @media (max-width: 520px) {
            .hero h1 { font-size: 1.35rem; }
            .hero p { font-size: 0.9rem; }
            .hero .hero-actions { flex-direction: column; align-items: stretch; }
            .hero .hero-actions .btn { width: 100%; justify-content: center; }
            .hero .hero-stats { gap: 1rem; }
            .hero .hero-stats .stat-item { min-width: 80px; }
            .stat-item-large { min-width: 100px; padding: 1rem; }
            .stat-item-large .num { font-size: 1.75rem; }
            .content-list .list-item { padding: 1.25rem; }
            .btn-lg { padding: 0.75rem 1.5rem; font-size: 1rem; }
        }

        /* ===== 辅助 ===== */
        .gap-1 { gap: 0.5rem; }
        .gap-2 { gap: 1rem; }
        .gap-3 { gap: 1.5rem; }
        .mt-1 { margin-top: 0.5rem; }
        .mt-2 { margin-top: 1rem; }
        .mt-3 { margin-top: 1.5rem; }
        .mt-4 { margin-top: 2rem; }
        .mb-0 { margin-bottom: 0; }
        .mb-1 { margin-bottom: 0.5rem; }
        .mb-2 { margin-bottom: 1rem; }
        .mb-3 { margin-bottom: 1.5rem; }
        .mb-4 { margin-bottom: 2rem; }
        .text-center { text-align: center; }
        .d-flex { display: flex; }
        .flex-wrap { flex-wrap: wrap; }
        .align-items-center { align-items: center; }
        .justify-content-center { justify-content: center; }
        .justify-content-between { justify-content: space-between; }
        .w-100 { width: 100%; }

        /* 滚动条美化 */
        ::-webkit-scrollbar { width: 6px; }
        ::-webkit-scrollbar-track { background: var(--bg); }
        ::-webkit-scrollbar-thumb { background: var(--text-muted); border-radius: 3px; }
        ::-webkit-scrollbar-thumb:hover { background: var(--text-light); }

        /* 选中文本 */
        ::selection { background: var(--secondary); color: var(--primary-dark); }

        /* 无障碍焦点 */
        :focus-visible { outline: 2px solid var(--secondary); outline-offset: 2px; border-radius: 4px; }
        .btn:focus-visible, .nav-link:focus-visible, .faq-question:focus-visible { outline: 2px solid var(--secondary); outline-offset: 2px; }

/* roulang page: article */
/* ===== Design Variables ===== */
        :root {
            --primary: #0a1628;
            --primary-light: #1a2a4a;
            --primary-dark: #050e1a;
            --accent: #d4a843;
            --accent-light: #f0d078;
            --accent-dark: #b8922e;
            --white: #ffffff;
            --off-white: #f8f7f4;
            --bg-light: #f4f2ee;
            --bg-card: #ffffff;
            --text-dark: #1a1a2e;
            --text-body: #2d2d3a;
            --text-muted: #7a7a8a;
            --text-light: #b0b0c0;
            --border-light: #e8e5e0;
            --border-accent: #d4a843;
            --shadow-sm: 0 2px 8px rgba(10,22,40,0.06);
            --shadow-md: 0 8px 30px rgba(10,22,40,0.10);
            --shadow-lg: 0 20px 60px rgba(10,22,40,0.15);
            --radius-sm: 8px;
            --radius-md: 16px;
            --radius-lg: 24px;
            --radius-xl: 32px;
            --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --font-sans: 'Noto Sans SC', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
            --container-max: 1200px;
            --header-h: 72px;
            --footer-bg: #0a1628;
            --footer-text: #c8c8d8;
        }

        /* ===== Reset & Base ===== */
        *, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
        html { scroll-behavior: smooth; -webkit-font-smoothing: antialiased; }
        body {
            font-family: var(--font-sans);
            color: var(--text-body);
            background: var(--off-white);
            line-height: 1.7;
            font-size: 16px;
            padding-top: var(--header-h);
        }
        a { color: var(--accent); text-decoration: none; transition: var(--transition); }
        a:hover { color: var(--accent-dark); }
        img { max-width: 100%; height: auto; display: block; border-radius: var(--radius-sm); }
        h1, h2, h3, h4, h5, h6 { font-weight: 700; line-height: 1.3; color: var(--text-dark); margin-bottom: 0.5em; }
        p { margin-bottom: 1em; color: var(--text-body); }
        ul, ol { padding-left: 1.25rem; margin-bottom: 1rem; }
        .container { max-width: var(--container-max); padding: 0 20px; margin: 0 auto; width: 100%; }
        .row { --bs-gutter-x: 24px; }
        @media (max-width: 768px) { .container { padding: 0 16px; } body { font-size: 15px; } }

        /* ===== Buttons ===== */
        .btn { display: inline-flex; align-items: center; gap: 8px; padding: 10px 28px; border-radius: 50px; font-weight: 600; font-size: 0.95rem; border: none; cursor: pointer; transition: var(--transition); text-decoration: none; font-family: var(--font-sans); }
        .btn-primary { background: var(--accent); color: var(--primary) !important; box-shadow: 0 4px 15px rgba(212,168,67,0.35); }
        .btn-primary:hover { background: var(--accent-light); transform: translateY(-2px); box-shadow: 0 8px 30px rgba(212,168,67,0.45); color: var(--primary) !important; }
        .btn-primary:active { transform: translateY(0); box-shadow: 0 2px 10px rgba(212,168,67,0.25); }
        .btn-outline { background: transparent; border: 2px solid var(--accent); color: var(--accent) !important; }
        .btn-outline:hover { background: var(--accent); color: var(--primary) !important; transform: translateY(-2px); }
        .btn-dark { background: var(--primary); color: var(--white) !important; }
        .btn-dark:hover { background: var(--primary-light); transform: translateY(-2px); box-shadow: var(--shadow-md); }
        .btn-lg { padding: 14px 40px; font-size: 1.05rem; }
        .btn-sm { padding: 6px 18px; font-size: 0.85rem; }

        /* ===== Header & Navigation ===== */
        .site-header {
            position: fixed; top: 0; left: 0; right: 0; z-index: 1050;
            background: rgba(10,22,40,0.92);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid rgba(212,168,67,0.15);
            height: var(--header-h);
            transition: var(--transition);
        }
        .site-header .container { display: flex; align-items: center; justify-content: space-between; height: 100%; }
        .site-logo {
            display: flex; align-items: center; gap: 10px;
            font-size: 1.4rem; font-weight: 800; color: var(--white) !important;
            letter-spacing: 1px; text-decoration: none;
        }
        .site-logo .logo-icon {
            display: inline-flex; align-items: center; justify-content: center;
            width: 36px; height: 36px; background: var(--accent); color: var(--primary);
            border-radius: 8px; font-weight: 900; font-size: 1.2rem;
        }
        .desktop-nav { display: flex; align-items: center; gap: 6px; }
        .desktop-nav .nav-link {
            padding: 8px 18px; border-radius: 50px; font-weight: 500; font-size: 0.92rem;
            color: rgba(255,255,255,0.75) !important; transition: var(--transition);
            position: relative; white-space: nowrap;
        }
        .desktop-nav .nav-link:hover { color: var(--white) !important; background: rgba(255,255,255,0.08); }
        .desktop-nav .nav-link.active { color: var(--accent) !important; background: rgba(212,168,67,0.12); }
        .desktop-nav .nav-link.active::after { content: ''; position: absolute; bottom: 2px; left: 50%; transform: translateX(-50%); width: 20px; height: 3px; background: var(--accent); border-radius: 2px; }
        .nav-search { display: flex; align-items: center; background: rgba(255,255,255,0.08); border-radius: 50px; padding: 4px 4px 4px 16px; border: 1px solid rgba(255,255,255,0.06); transition: var(--transition); }
        .nav-search:focus-within { background: rgba(255,255,255,0.12); border-color: var(--accent); }
        .nav-search input { background: none; border: none; outline: none; color: var(--white); font-size: 0.85rem; width: 120px; padding: 4px 0; font-family: var(--font-sans); }
        .nav-search input::placeholder { color: rgba(255,255,255,0.4); }
        .nav-search button { background: var(--accent); border: none; color: var(--primary); width: 32px; height: 32px; border-radius: 50%; display: flex; align-items: center; justify-content: center; cursor: pointer; transition: var(--transition); }
        .nav-search button:hover { background: var(--accent-light); }
        .nav-cta { background: var(--accent); color: var(--primary) !important; font-weight: 700 !important; padding: 8px 22px !important; border-radius: 50px !important; }
        .nav-cta:hover { background: var(--accent-light) !important; color: var(--primary) !important; transform: translateY(-1px); }
        .mobile-toggle { display: none; background: none; border: none; color: var(--white); font-size: 1.4rem; cursor: pointer; padding: 6px; }

        /* ===== Mobile Bottom Tab Bar ===== */
        .bottom-tab-bar {
            display: none; position: fixed; bottom: 0; left: 0; right: 0; z-index: 1060;
            background: rgba(10,22,40,0.96);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-top: 1px solid rgba(212,168,67,0.15);
            padding: 6px 0 env(safe-area-inset-bottom, 6px) 0;
            justify-content: space-around;
            box-shadow: 0 -4px 20px rgba(0,0,0,0.2);
        }
        .bottom-tab-bar .tab-item {
            display: flex; flex-direction: column; align-items: center; gap: 2px;
            padding: 6px 12px; color: rgba(255,255,255,0.5); font-size: 0.65rem; font-weight: 500;
            transition: var(--transition); text-decoration: none; min-width: 56px;
        }
        .bottom-tab-bar .tab-item i { font-size: 1.2rem; }
        .bottom-tab-bar .tab-item:hover { color: rgba(255,255,255,0.8); }
        .bottom-tab-bar .tab-item.active { color: var(--accent); }
        .bottom-tab-bar .tab-item .tab-badge { background: var(--accent); color: var(--primary); font-size: 0.5rem; padding: 1px 6px; border-radius: 10px; font-weight: 700; position: absolute; top: -2px; right: -8px; }
        .tab-item-wrap { position: relative; display: flex; flex-direction: column; align-items: center; }

        /* ===== Mobile Nav Drawer ===== */
        .mobile-drawer {
            position: fixed; top: var(--header-h); left: 0; right: 0; bottom: 0;
            background: rgba(10,22,40,0.98);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            z-index: 1040; display: none; flex-direction: column; align-items: center; justify-content: center; gap: 20px;
            padding: 40px 20px;
        }
        .mobile-drawer.open { display: flex; }
        .mobile-drawer a { color: rgba(255,255,255,0.8); font-size: 1.3rem; font-weight: 500; padding: 10px 30px; border-radius: 50px; transition: var(--transition); }
        .mobile-drawer a:hover { color: var(--white); background: rgba(255,255,255,0.06); }
        .mobile-drawer a.active { color: var(--accent); background: rgba(212,168,67,0.1); }

        /* ===== Hero / Banner ===== */
        .page-banner {
            position: relative; padding: 80px 0 60px; min-height: 280px;
            display: flex; align-items: center;
            background: var(--primary-dark);
            overflow: hidden;
        }
        .page-banner .bg-img {
            position: absolute; top: 0; left: 0; width: 100%; height: 100%;
            object-fit: cover; opacity: 0.35; z-index: 0;
        }
        .page-banner .overlay {
            position: absolute; top: 0; left: 0; width: 100%; height: 100%;
            background: linear-gradient(135deg, rgba(10,22,40,0.88) 0%, rgba(10,22,40,0.6) 100%);
            z-index: 1;
        }
        .page-banner .container { position: relative; z-index: 2; text-align: center; }
        .page-banner h1 {
            font-size: 2.4rem; font-weight: 900; color: var(--white);
            margin-bottom: 12px; letter-spacing: 1px;
        }
        .page-banner .banner-meta {
            display: flex; justify-content: center; flex-wrap: wrap; gap: 20px;
            color: rgba(255,255,255,0.7); font-size: 0.92rem;
        }
        .page-banner .banner-meta span { display: flex; align-items: center; gap: 6px; }
        .page-banner .banner-meta i { color: var(--accent); }

        /* ===== Breadcrumb ===== */
        .breadcrumb-wrap {
            background: var(--white); border-bottom: 1px solid var(--border-light);
            padding: 12px 0;
        }
        .breadcrumb-wrap .breadcrumb { margin: 0; padding: 0; background: none; font-size: 0.88rem; }
        .breadcrumb-wrap .breadcrumb-item { color: var(--text-muted); }
        .breadcrumb-wrap .breadcrumb-item a { color: var(--primary); }
        .breadcrumb-wrap .breadcrumb-item.active { color: var(--accent); }

        /* ===== Article Content ===== */
        .article-section { padding: 50px 0 60px; }
        .article-card {
            background: var(--white); border-radius: var(--radius-md);
            box-shadow: var(--shadow-sm); padding: 40px; max-width: 860px; margin: 0 auto;
        }
        .article-card .article-title { font-size: 1.8rem; font-weight: 800; margin-bottom: 16px; color: var(--text-dark); }
        .article-card .article-meta {
            display: flex; flex-wrap: wrap; gap: 20px; margin-bottom: 30px;
            padding-bottom: 20px; border-bottom: 1px solid var(--border-light);
            color: var(--text-muted); font-size: 0.9rem;
        }
        .article-card .article-meta span { display: flex; align-items: center; gap: 6px; }
        .article-card .article-meta i { color: var(--accent); width: 16px; }
        .article-card .article-meta .badge-cat {
            background: rgba(212,168,67,0.12); color: var(--accent-dark);
            padding: 2px 14px; border-radius: 50px; font-weight: 600; font-size: 0.8rem;
        }
        .article-content { font-size: 1.02rem; line-height: 1.9; color: var(--text-body); }
        .article-content p { margin-bottom: 1.2em; }
        .article-content h2 { font-size: 1.45rem; margin-top: 2em; margin-bottom: 0.6em; }
        .article-content h3 { font-size: 1.2rem; margin-top: 1.6em; margin-bottom: 0.5em; }
        .article-content ul, .article-content ol { margin-bottom: 1.2em; }
        .article-content li { margin-bottom: 0.4em; }
        .article-content img { border-radius: var(--radius-sm); margin: 1.5em 0; box-shadow: var(--shadow-sm); }
        .article-content blockquote {
            border-left: 4px solid var(--accent); padding: 12px 20px; margin: 1.5em 0;
            background: rgba(212,168,67,0.06); border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
            color: var(--text-muted); font-style: italic;
        }
        .article-content a { color: var(--accent-dark); font-weight: 500; text-decoration: underline; }
        .article-content a:hover { color: var(--accent); }

        .not-found-wrap { text-align: center; padding: 80px 20px; }
        .not-found-wrap .nf-icon { font-size: 4rem; color: var(--text-light); margin-bottom: 20px; }
        .not-found-wrap h2 { font-size: 1.8rem; margin-bottom: 12px; }
        .not-found-wrap p { color: var(--text-muted); margin-bottom: 24px; }

        /* ===== Related Posts ===== */
        .related-section { padding: 50px 0 60px; background: var(--bg-light); }
        .related-section .section-title { text-align: center; margin-bottom: 40px; }
        .related-section .section-title h2 { font-size: 1.8rem; font-weight: 800; }
        .related-section .section-title p { color: var(--text-muted); max-width: 600px; margin: 0 auto; }
        .related-card {
            background: var(--white); border-radius: var(--radius-md);
            overflow: hidden; box-shadow: var(--shadow-sm);
            transition: var(--transition); height: 100%;
            display: flex; flex-direction: column;
        }
        .related-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); }
        .related-card .rc-img {
            height: 180px; overflow: hidden; position: relative;
        }
        .related-card .rc-img img { width: 100%; height: 100%; object-fit: cover; transition: var(--transition); }
        .related-card:hover .rc-img img { transform: scale(1.05); }
        .related-card .rc-img .rc-tag {
            position: absolute; top: 12px; left: 12px;
            background: var(--accent); color: var(--primary); font-size: 0.7rem;
            font-weight: 700; padding: 2px 12px; border-radius: 50px;
        }
        .related-card .rc-body { padding: 20px; flex: 1; display: flex; flex-direction: column; }
        .related-card .rc-body h3 { font-size: 1.05rem; font-weight: 700; margin-bottom: 8px; flex: 1; }
        .related-card .rc-body h3 a { color: var(--text-dark); }
        .related-card .rc-body h3 a:hover { color: var(--accent); }
        .related-card .rc-body p { font-size: 0.88rem; color: var(--text-muted); margin-bottom: 12px; }
        .related-card .rc-body .rc-meta { font-size: 0.78rem; color: var(--text-light); display: flex; gap: 12px; margin-top: auto; }

        /* ===== CTA Section ===== */
        .cta-section {
            padding: 70px 0; text-align: center;
            background: var(--primary); position: relative; overflow: hidden;
        }
        .cta-section::before {
            content: ''; position: absolute; top: -50%; left: -50%; width: 200%; height: 200%;
            background: radial-gradient(circle at 30% 50%, rgba(212,168,67,0.08) 0%, transparent 60%);
            pointer-events: none;
        }
        .cta-section .container { position: relative; z-index: 1; }
        .cta-section h2 { font-size: 2rem; font-weight: 800; color: var(--white); margin-bottom: 12px; }
        .cta-section p { color: rgba(255,255,255,0.7); max-width: 600px; margin: 0 auto 28px; font-size: 1.05rem; }
        .cta-section .btn-group { display: flex; justify-content: center; gap: 16px; flex-wrap: wrap; }

        /* ===== Footer ===== */
        .site-footer {
            background: var(--footer-bg); color: var(--footer-text);
            padding: 60px 0 30px; font-size: 0.9rem;
        }
        .site-footer .footer-brand { display: flex; align-items: center; gap: 10px; font-size: 1.3rem; font-weight: 800; color: var(--white); margin-bottom: 16px; }
        .site-footer .footer-brand .logo-icon { display: inline-flex; align-items: center; justify-content: center; width: 32px; height: 32px; background: var(--accent); color: var(--primary); border-radius: 8px; font-weight: 900; font-size: 1rem; }
        .site-footer .footer-desc { color: rgba(255,255,255,0.5); max-width: 340px; line-height: 1.7; margin-bottom: 20px; }
        .site-footer .social-links { display: flex; gap: 12px; }
        .site-footer .social-links a { display: flex; align-items: center; justify-content: center; width: 40px; height: 40px; border-radius: 50%; background: rgba(255,255,255,0.06); color: rgba(255,255,255,0.6); font-size: 1.1rem; transition: var(--transition); }
        .site-footer .social-links a:hover { background: var(--accent); color: var(--primary); transform: translateY(-2px); }
        .site-footer h5 { color: var(--white); font-size: 1rem; font-weight: 700; margin-bottom: 18px; position: relative; padding-bottom: 10px; }
        .site-footer h5::after { content: ''; position: absolute; bottom: 0; left: 0; width: 30px; height: 2px; background: var(--accent); border-radius: 2px; }
        .site-footer ul.footer-links { list-style: none; padding: 0; margin: 0; }
        .site-footer ul.footer-links li { margin-bottom: 10px; display: flex; align-items: center; gap: 8px; }
        .site-footer ul.footer-links li a { color: rgba(255,255,255,0.5); transition: var(--transition); }
        .site-footer ul.footer-links li a:hover { color: var(--accent); padding-left: 4px; }
        .site-footer ul.footer-links li i { color: var(--accent); font-size: 0.75rem; width: 14px; }
        .site-footer .footer-bottom { margin-top: 40px; padding-top: 24px; border-top: 1px solid rgba(255,255,255,0.06); text-align: center; color: rgba(255,255,255,0.3); font-size: 0.82rem; }

        /* ===== Responsive ===== */
        @media (max-width: 1024px) {
            .desktop-nav .nav-search input { width: 80px; }
            .article-card { padding: 30px; }
        }
        @media (max-width: 768px) {
            body { padding-top: 64px; }
            :root { --header-h: 64px; }
            .desktop-nav { display: none; }
            .mobile-toggle { display: block; }
            .bottom-tab-bar { display: flex; }
            .site-footer { padding-bottom: calc(60px + env(safe-area-inset-bottom, 0)); }
            .page-banner { padding: 60px 0 40px; min-height: 220px; }
            .page-banner h1 { font-size: 1.6rem; }
            .page-banner .banner-meta { gap: 12px; font-size: 0.82rem; }
            .article-card { padding: 20px; border-radius: var(--radius-sm); }
            .article-card .article-title { font-size: 1.35rem; }
            .article-card .article-meta { gap: 12px; font-size: 0.82rem; }
            .article-content { font-size: 0.95rem; }
            .related-card .rc-img { height: 150px; }
            .cta-section h2 { font-size: 1.5rem; }
            .cta-section p { font-size: 0.95rem; }
            .site-footer .footer-brand { font-size: 1.1rem; }
        }
        @media (max-width: 520px) {
            .page-banner h1 { font-size: 1.3rem; }
            .article-card .article-title { font-size: 1.15rem; }
            .article-card { padding: 16px; }
            .related-card .rc-img { height: 120px; }
            .related-card .rc-body { padding: 14px; }
            .related-card .rc-body h3 { font-size: 0.92rem; }
            .bottom-tab-bar .tab-item { font-size: 0.55rem; min-width: 44px; }
            .bottom-tab-bar .tab-item i { font-size: 1rem; }
            .cta-section { padding: 50px 0; }
            .cta-section h2 { font-size: 1.3rem; }
        }
        @media (max-width: 400px) {
            .page-banner .banner-meta { flex-direction: column; gap: 6px; }
            .article-card .article-meta { flex-direction: column; gap: 6px; }
        }

        /* ===== Misc Helpers ===== */
        .text-accent { color: var(--accent) !important; }
        .bg-accent { background: var(--accent) !important; }
        .gap-2 { gap: 8px; }
        .gap-3 { gap: 16px; }
        .mb-0 { margin-bottom: 0; }
        .mt-2 { margin-top: 8px; }
        .mb-2 { margin-bottom: 8px; }
        .fw-700 { font-weight: 700; }
        .text-center { text-align: center; }
        .d-flex { display: flex; }
        .align-center { align-items: center; }
        .justify-center { justify-content: center; }
        .flex-wrap { flex-wrap: wrap; }

/* roulang page: category1 */
:root {
            --primary: #0a1628;
            --primary-light: #132040;
            --secondary: #c9a84c;
            --secondary-light: #e0c15a;
            --accent: #e63946;
            --accent-hover: #d62c3a;
            --bg-light: #f5f7fa;
            --bg-card: #ffffff;
            --text-dark: #1a2332;
            --text-body: #3d4a5c;
            --text-muted: #7a879a;
            --border-light: #e8ecf2;
            --shadow-sm: 0 2px 8px rgba(10, 22, 40, 0.06);
            --shadow-md: 0 6px 24px rgba(10, 22, 40, 0.10);
            --shadow-lg: 0 12px 40px rgba(10, 22, 40, 0.14);
            --radius-sm: 8px;
            --radius-md: 14px;
            --radius-lg: 20px;
            --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', sans-serif;
            --container-max: 1200px;
            --header-height: 72px;
        }

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

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

        body {
            font-family: var(--font-primary);
            font-size: 16px;
            line-height: 1.7;
            color: var(--text-body);
            background: var(--bg-light);
            padding-top: var(--header-height);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        a {
            color: var(--primary);
            text-decoration: none;
            transition: var(--transition);
        }
        a:hover {
            color: var(--secondary);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button,
        input,
        textarea {
            font-family: inherit;
            font-size: inherit;
            border: none;
            outline: none;
        }
        button {
            cursor: pointer;
            background: none;
        }
        ul,
        ol {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .container {
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 20px;
        }

        /* ===== Header & Nav ===== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1050;
            height: var(--header-height);
            background: rgba(10, 22, 40, 0.96);
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            border-bottom: 1px solid rgba(201, 168, 76, 0.15);
            transition: var(--transition);
        }
        .site-header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 100%;
        }
        .site-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 22px;
            font-weight: 700;
            color: #fff;
            letter-spacing: 0.5px;
            text-decoration: none;
            transition: var(--transition);
        }
        .site-logo:hover {
            color: var(--secondary);
        }
        .logo-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 38px;
            height: 38px;
            background: linear-gradient(135deg, var(--secondary), var(--secondary-light));
            color: var(--primary);
            border-radius: 10px;
            font-weight: 800;
            font-size: 20px;
            box-shadow: 0 4px 12px rgba(201, 168, 76, 0.3);
        }
        .desktop-nav {
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .desktop-nav .nav-link {
            padding: 8px 18px;
            font-size: 15px;
            font-weight: 500;
            color: rgba(255, 255, 255, 0.78);
            border-radius: var(--radius-sm);
            transition: var(--transition);
            position: relative;
            text-decoration: none;
        }
        .desktop-nav .nav-link:hover {
            color: #fff;
            background: rgba(255, 255, 255, 0.07);
        }
        .desktop-nav .nav-link.active {
            color: var(--secondary);
            background: rgba(201, 168, 76, 0.12);
        }
        .desktop-nav .nav-link.active::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 50%;
            transform: translateX(-50%);
            width: 20px;
            height: 3px;
            background: var(--secondary);
            border-radius: 2px;
        }
        .nav-search {
            display: flex;
            align-items: center;
            background: rgba(255, 255, 255, 0.08);
            border-radius: 50px;
            padding: 4px 4px 4px 16px;
            margin: 0 8px;
            border: 1px solid transparent;
            transition: var(--transition);
        }
        .nav-search:focus-within {
            border-color: var(--secondary);
            background: rgba(255, 255, 255, 0.12);
        }
        .nav-search input {
            background: transparent;
            border: none;
            color: #fff;
            font-size: 14px;
            width: 130px;
            padding: 6px 0;
        }
        .nav-search input::placeholder {
            color: rgba(255, 255, 255, 0.45);
        }
        .nav-search button {
            width: 34px;
            height: 34px;
            border-radius: 50%;
            background: var(--secondary);
            color: var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 14px;
            transition: var(--transition);
            flex-shrink: 0;
        }
        .nav-search button:hover {
            background: var(--secondary-light);
            transform: scale(1.05);
        }
        .nav-cta {
            background: linear-gradient(135deg, var(--secondary), var(--secondary-light)) !important;
            color: var(--primary) !important;
            font-weight: 600 !important;
            padding: 8px 22px !important;
            border-radius: 50px !important;
            box-shadow: 0 4px 14px rgba(201, 168, 76, 0.25);
            transition: var(--transition) !important;
        }
        .nav-cta:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(201, 168, 76, 0.35) !important;
            background: linear-gradient(135deg, var(--secondary-light), var(--secondary)) !important;
        }
        .mobile-toggle {
            display: none;
            font-size: 24px;
            color: #fff;
            padding: 6px 10px;
            border-radius: 8px;
            transition: var(--transition);
        }
        .mobile-toggle:hover {
            background: rgba(255, 255, 255, 0.08);
        }

        /* ===== Bottom Tab (Mobile) ===== */
        .bottom-tab-nav {
            display: none;
            position: fixed;
            bottom: 0;
            left: 0;
            right: 0;
            z-index: 1060;
            background: rgba(10, 22, 40, 0.98);
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            border-top: 1px solid rgba(201, 168, 76, 0.12);
            padding: 6px 0 env(safe-area-inset-bottom, 6px) 0;
            box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.2);
        }
        .bottom-tab-nav .tab-list {
            display: flex;
            align-items: stretch;
            justify-content: space-around;
            max-width: 500px;
            margin: 0 auto;
        }
        .bottom-tab-nav .tab-item {
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            gap: 2px;
            padding: 6px 12px;
            font-size: 11px;
            color: rgba(255, 255, 255, 0.55);
            text-decoration: none;
            border-radius: 10px;
            transition: var(--transition);
            min-width: 56px;
            position: relative;
        }
        .bottom-tab-nav .tab-item i {
            font-size: 20px;
            transition: var(--transition);
        }
        .bottom-tab-nav .tab-item span {
            font-size: 10px;
            font-weight: 500;
            line-height: 1.2;
        }
        .bottom-tab-nav .tab-item:hover,
        .bottom-tab-nav .tab-item:focus {
            color: rgba(255, 255, 255, 0.8);
        }
        .bottom-tab-nav .tab-item.active {
            color: var(--secondary);
        }
        .bottom-tab-nav .tab-item.active::before {
            content: '';
            position: absolute;
            top: 0;
            left: 50%;
            transform: translateX(-50%);
            width: 24px;
            height: 3px;
            background: var(--secondary);
            border-radius: 0 0 4px 4px;
        }
        .bottom-tab-nav .tab-item.tab-cta {
            background: linear-gradient(135deg, var(--secondary), var(--secondary-light));
            color: var(--primary);
            font-weight: 600;
            padding: 6px 18px;
            border-radius: 30px;
            min-width: auto;
        }
        .bottom-tab-nav .tab-item.tab-cta i {
            font-size: 18px;
        }
        .bottom-tab-nav .tab-item.tab-cta.active::before {
            display: none;
        }

        /* ===== Hero ===== */
        .hero-section {
            position: relative;
            min-height: 520px;
            display: flex;
            align-items: center;
            background: var(--primary);
            overflow: hidden;
            padding: 80px 0 60px;
        }
        .hero-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-2.webp') center center / cover no-repeat;
            opacity: 0.3;
            z-index: 0;
        }
        .hero-section::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(10, 22, 40, 0.88) 0%, rgba(10, 22, 40, 0.60) 60%, rgba(201, 168, 76, 0.15) 100%);
            z-index: 1;
        }
        .hero-section .container {
            position: relative;
            z-index: 2;
        }
        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: rgba(201, 168, 76, 0.15);
            color: var(--secondary);
            padding: 6px 18px;
            border-radius: 50px;
            font-size: 13px;
            font-weight: 600;
            margin-bottom: 16px;
            border: 1px solid rgba(201, 168, 76, 0.2);
        }
        .hero-badge i {
            font-size: 14px;
        }
        .hero-section h1 {
            font-size: 48px;
            font-weight: 800;
            color: #fff;
            line-height: 1.2;
            margin-bottom: 18px;
            letter-spacing: -0.5px;
        }
        .hero-section h1 .highlight {
            color: var(--secondary);
        }
        .hero-section .hero-sub {
            font-size: 19px;
            color: rgba(255, 255, 255, 0.78);
            max-width: 620px;
            line-height: 1.7;
            margin-bottom: 32px;
        }
        .hero-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
            align-items: center;
        }
        .btn-primary-custom {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            padding: 14px 34px;
            background: linear-gradient(135deg, var(--secondary), var(--secondary-light));
            color: var(--primary);
            font-weight: 700;
            font-size: 16px;
            border-radius: 50px;
            box-shadow: 0 6px 24px rgba(201, 168, 76, 0.3);
            transition: var(--transition);
            border: none;
            text-decoration: none;
        }
        .btn-primary-custom:hover {
            transform: translateY(-3px);
            box-shadow: 0 12px 36px rgba(201, 168, 76, 0.4);
            color: var(--primary);
        }
        .btn-outline-custom {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            padding: 13px 30px;
            background: transparent;
            color: #fff;
            font-weight: 600;
            font-size: 16px;
            border-radius: 50px;
            border: 2px solid rgba(255, 255, 255, 0.25);
            transition: var(--transition);
            text-decoration: none;
        }
        .btn-outline-custom:hover {
            border-color: var(--secondary);
            color: var(--secondary);
            background: rgba(201, 168, 76, 0.08);
        }
        .hero-stats {
            display: flex;
            gap: 40px;
            margin-top: 40px;
            padding-top: 32px;
            border-top: 1px solid rgba(255, 255, 255, 0.08);
        }
        .hero-stats .stat-item {
            text-align: center;
        }
        .hero-stats .stat-num {
            font-size: 32px;
            font-weight: 800;
            color: #fff;
            line-height: 1.2;
        }
        .hero-stats .stat-num .num-suffix {
            color: var(--secondary);
            font-size: 20px;
        }
        .hero-stats .stat-label {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.55);
            margin-top: 2px;
        }

        /* ===== Section Common ===== */
        .section-padding {
            padding: 80px 0;
        }
        .section-title {
            font-size: 34px;
            font-weight: 800;
            color: var(--text-dark);
            text-align: center;
            margin-bottom: 12px;
            letter-spacing: -0.3px;
        }
        .section-subtitle {
            text-align: center;
            color: var(--text-muted);
            font-size: 18px;
            max-width: 640px;
            margin: 0 auto 48px;
            line-height: 1.7;
        }
        .section-subtitle a {
            color: var(--secondary);
            font-weight: 600;
        }
        .section-subtitle a:hover {
            color: var(--primary);
        }

        /* ===== Advantages ===== */
        .advantages-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 28px;
        }
        .advantage-card {
            background: var(--bg-card);
            border-radius: var(--radius-md);
            padding: 34px 28px 30px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-light);
            transition: var(--transition);
            text-align: center;
        }
        .advantage-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-md);
            border-color: rgba(201, 168, 76, 0.2);
        }
        .advantage-card .adv-icon {
            width: 64px;
            height: 64px;
            margin: 0 auto 18px;
            background: linear-gradient(135deg, rgba(201, 168, 76, 0.12), rgba(201, 168, 76, 0.05));
            border-radius: 18px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 28px;
            color: var(--secondary);
            transition: var(--transition);
        }
        .advantage-card:hover .adv-icon {
            background: linear-gradient(135deg, var(--secondary), var(--secondary-light));
            color: var(--primary);
            transform: scale(1.05);
        }
        .advantage-card h3 {
            font-size: 20px;
            font-weight: 700;
            color: var(--text-dark);
            margin-bottom: 10px;
        }
        .advantage-card p {
            font-size: 15px;
            color: var(--text-muted);
            line-height: 1.7;
            margin-bottom: 0;
        }

        /* ===== Scenarios ===== */
        .scenarios-bg {
            background: var(--primary);
            position: relative;
        }
        .scenarios-bg::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-1.webp') center center / cover no-repeat;
            opacity: 0.08;
            z-index: 0;
        }
        .scenarios-bg .container {
            position: relative;
            z-index: 1;
        }
        .scenarios-bg .section-title {
            color: #fff;
        }
        .scenarios-bg .section-subtitle {
            color: rgba(255, 255, 255, 0.65);
        }
        .scenarios-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }
        .scenario-card {
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid rgba(255, 255, 255, 0.08);
            border-radius: var(--radius-md);
            padding: 28px 20px 24px;
            text-align: center;
            transition: var(--transition);
            backdrop-filter: blur(4px);
        }
        .scenario-card:hover {
            background: rgba(255, 255, 255, 0.10);
            border-color: rgba(201, 168, 76, 0.25);
            transform: translateY(-4px);
        }
        .scenario-card .sce-icon {
            font-size: 36px;
            color: var(--secondary);
            margin-bottom: 14px;
        }
        .scenario-card h4 {
            font-size: 18px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 8px;
        }
        .scenario-card p {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.6);
            line-height: 1.6;
            margin-bottom: 0;
        }

        /* ===== Flow / Steps ===== */
        .flow-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
            position: relative;
        }
        .flow-grid::before {
            content: '';
            position: absolute;
            top: 48px;
            left: 10%;
            right: 10%;
            height: 3px;
            background: linear-gradient(90deg, var(--secondary), rgba(201, 168, 76, 0.2), var(--secondary));
            border-radius: 2px;
            z-index: 0;
        }
        .flow-step {
            text-align: center;
            position: relative;
            z-index: 1;
        }
        .flow-step .step-num {
            width: 56px;
            height: 56px;
            margin: 0 auto 16px;
            background: linear-gradient(135deg, var(--secondary), var(--secondary-light));
            color: var(--primary);
            font-size: 22px;
            font-weight: 800;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            box-shadow: 0 6px 20px rgba(201, 168, 76, 0.25);
        }
        .flow-step h4 {
            font-size: 18px;
            font-weight: 700;
            color: var(--text-dark);
            margin-bottom: 6px;
        }
        .flow-step p {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.6;
            margin-bottom: 0;
        }

        /* ===== Content Cards ===== */
        .content-cards {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 28px;
        }
        .content-card {
            background: var(--bg-card);
            border-radius: var(--radius-md);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-light);
            transition: var(--transition);
        }
        .content-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-md);
            border-color: rgba(201, 168, 76, 0.15);
        }
        .content-card .card-img {
            width: 100%;
            height: 200px;
            object-fit: cover;
            display: block;
        }
        .content-card .card-body {
            padding: 22px 24px 26px;
        }
        .content-card .card-tag {
            display: inline-block;
            padding: 3px 14px;
            background: rgba(201, 168, 76, 0.10);
            color: var(--secondary);
            font-size: 12px;
            font-weight: 600;
            border-radius: 50px;
            margin-bottom: 10px;
            border: 1px solid rgba(201, 168, 76, 0.15);
        }
        .content-card h4 {
            font-size: 19px;
            font-weight: 700;
            color: var(--text-dark);
            margin-bottom: 8px;
            line-height: 1.4;
        }
        .content-card p {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.7;
            margin-bottom: 14px;
        }
        .content-card .card-link {
            font-size: 14px;
            font-weight: 600;
            color: var(--secondary);
            display: inline-flex;
            align-items: center;
            gap: 6px;
            transition: var(--transition);
        }
        .content-card .card-link:hover {
            color: var(--primary);
            gap: 10px;
        }

        /* ===== FAQ ===== */
        .faq-section {
            background: var(--bg-light);
        }
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
        }
        .faq-item {
            background: var(--bg-card);
            border-radius: var(--radius-sm);
            margin-bottom: 12px;
            border: 1px solid var(--border-light);
            overflow: hidden;
            transition: var(--transition);
        }
        .faq-item:hover {
            border-color: rgba(201, 168, 76, 0.2);
            box-shadow: var(--shadow-sm);
        }
        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 18px 24px;
            font-size: 16px;
            font-weight: 600;
            color: var(--text-dark);
            cursor: pointer;
            background: transparent;
            border: none;
            width: 100%;
            text-align: left;
            transition: var(--transition);
            gap: 16px;
        }
        .faq-question:hover {
            color: var(--secondary);
        }
        .faq-question .faq-icon {
            font-size: 14px;
            color: var(--secondary);
            transition: var(--transition);
            flex-shrink: 0;
        }
        .faq-item.active .faq-question .faq-icon {
            transform: rotate(180deg);
        }
        .faq-answer {
            padding: 0 24px 18px;
            font-size: 15px;
            color: var(--text-muted);
            line-height: 1.8;
            display: none;
        }
        .faq-item.active .faq-answer {
            display: block;
        }

        /* ===== CTA ===== */
        .cta-section {
            background: var(--primary);
            position: relative;
            overflow: hidden;
            padding: 80px 0;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-3.webp') center center / cover no-repeat;
            opacity: 0.08;
            z-index: 0;
        }
        .cta-section .container {
            position: relative;
            z-index: 1;
            text-align: center;
        }
        .cta-section h2 {
            font-size: 36px;
            font-weight: 800;
            color: #fff;
            margin-bottom: 14px;
        }
        .cta-section p {
            font-size: 18px;
            color: rgba(255, 255, 255, 0.7);
            max-width: 560px;
            margin: 0 auto 32px;
        }
        .cta-section .btn-primary-custom {
            font-size: 18px;
            padding: 16px 44px;
        }
        .cta-section .btn-primary-custom:hover {
            transform: translateY(-3px) scale(1.02);
        }

        /* ===== Footer ===== */
        .site-footer {
            background: var(--primary);
            color: rgba(255, 255, 255, 0.7);
            padding: 60px 0 0;
            border-top: 1px solid rgba(201, 168, 76, 0.08);
        }
        .site-footer .footer-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 20px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 14px;
        }
        .site-footer .footer-brand .logo-icon {
            width: 34px;
            height: 34px;
            font-size: 17px;
        }
        .footer-desc {
            font-size: 14px;
            line-height: 1.8;
            margin-bottom: 18px;
            color: rgba(255, 255, 255, 0.55);
        }
        .social-links {
            display: flex;
            gap: 12px;
        }
        .social-links a {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.06);
            color: rgba(255, 255, 255, 0.6);
            font-size: 18px;
            transition: var(--transition);
            border: 1px solid rgba(255, 255, 255, 0.06);
        }
        .social-links a:hover {
            background: var(--secondary);
            color: var(--primary);
            border-color: var(--secondary);
            transform: translateY(-3px);
        }
        .site-footer h5 {
            font-size: 15px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 16px;
            letter-spacing: 0.3px;
        }
        .footer-links {
            display: flex;
            flex-direction: column;
            gap: 8px;
        }
        .footer-links li {
            font-size: 14px;
            display: flex;
            align-items: center;
            gap: 8px;
            color: rgba(255, 255, 255, 0.55);
        }
        .footer-links li i {
            font-size: 11px;
            color: var(--secondary);
            width: 14px;
        }
        .footer-links a {
            color: rgba(255, 255, 255, 0.55);
            transition: var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }
        .footer-links a:hover {
            color: var(--secondary);
        }
        .footer-bottom {
            margin-top: 40px;
            padding: 20px 0;
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            text-align: center;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.35);
        }

        /* ===== Mobile Drawer ===== */
        .mobile-drawer {
            display: none;
            position: fixed;
            top: var(--header-height);
            left: 0;
            right: 0;
            bottom: 0;
            z-index: 1040;
            background: rgba(10, 22, 40, 0.98);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            padding: 30px 24px 100px;
            overflow-y: auto;
            opacity: 0;
            visibility: hidden;
            transition: opacity 0.35s ease, visibility 0.35s ease;
        }
        .mobile-drawer.open {
            opacity: 1;
            visibility: visible;
        }
        .mobile-drawer .drawer-nav {
            display: flex;
            flex-direction: column;
            gap: 6px;
        }
        .mobile-drawer .drawer-nav a {
            display: flex;
            align-items: center;
            gap: 14px;
            padding: 14px 18px;
            font-size: 17px;
            font-weight: 600;
            color: rgba(255, 255, 255, 0.75);
            border-radius: var(--radius-sm);
            transition: var(--transition);
            text-decoration: none;
        }
        .mobile-drawer .drawer-nav a:hover {
            background: rgba(255, 255, 255, 0.06);
            color: #fff;
        }
        .mobile-drawer .drawer-nav a.active {
            color: var(--secondary);
            background: rgba(201, 168, 76, 0.08);
        }
        .mobile-drawer .drawer-nav a i {
            width: 24px;
            font-size: 18px;
            color: var(--secondary);
        }
        .mobile-drawer .drawer-cta {
            margin-top: 20px;
            padding: 14px 18px;
            background: linear-gradient(135deg, var(--secondary), var(--secondary-light));
            color: var(--primary) !important;
            border-radius: 50px;
            text-align: center;
            font-weight: 700;
            justify-content: center;
        }

        /* ===== Responsive ===== */
        @media (max-width: 1024px) {
            .advantages-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .scenarios-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .flow-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .flow-grid::before {
                display: none;
            }
            .content-cards {
                grid-template-columns: repeat(2, 1fr);
            }
            .hero-section h1 {
                font-size: 38px;
            }
            .hero-stats {
                gap: 24px;
                flex-wrap: wrap;
            }
        }

        @media (max-width: 768px) {
            body {
                padding-bottom: 70px;
            }
            .desktop-nav {
                display: none;
            }
            .mobile-toggle {
                display: block;
            }
            .bottom-tab-nav {
                display: block;
            }
            .mobile-drawer {
                display: block;
            }
            .site-header .container {
                gap: 8px;
            }
            .site-logo {
                font-size: 18px;
                gap: 8px;
            }
            .logo-icon {
                width: 32px;
                height: 32px;
                font-size: 16px;
            }
            .hero-section {
                min-height: 420px;
                padding: 60px 0 40px;
            }
            .hero-section h1 {
                font-size: 30px;
            }
            .hero-section .hero-sub {
                font-size: 16px;
            }
            .hero-actions {
                flex-direction: column;
                align-items: stretch;
            }
            .btn-primary-custom,
            .btn-outline-custom {
                justify-content: center;
                padding: 12px 24px;
                font-size: 15px;
            }
            .hero-stats {
                gap: 16px;
                justify-content: center;
            }
            .hero-stats .stat-num {
                font-size: 24px;
            }
            .section-padding {
                padding: 50px 0;
            }
            .section-title {
                font-size: 26px;
            }
            .section-subtitle {
                font-size: 15px;
                margin-bottom: 32px;
            }
            .advantages-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .scenarios-grid {
                grid-template-columns: 1fr;
                gap: 14px;
            }
            .flow-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .flow-step .step-num {
                width: 46px;
                height: 46px;
                font-size: 18px;
            }
            .content-cards {
                grid-template-columns: 1fr;
                gap: 18px;
            }
            .faq-question {
                padding: 14px 18px;
                font-size: 15px;
            }
            .faq-answer {
                padding: 0 18px 14px;
                font-size: 14px;
            }
            .cta-section {
                padding: 50px 0;
            }
            .cta-section h2 {
                font-size: 26px;
            }
            .cta-section p {
                font-size: 15px;
            }
            .cta-section .btn-primary-custom {
                font-size: 16px;
                padding: 14px 34px;
            }
            .site-footer {
                padding: 40px 0 0;
            }
            .site-footer .row>div {
                margin-bottom: 24px;
            }
            .footer-bottom {
                margin-top: 20px;
                padding: 16px 0;
                font-size: 12px;
            }
        }

        @media (max-width: 520px) {
            .container {
                padding: 0 14px;
            }
            .hero-section h1 {
                font-size: 26px;
            }
            .hero-section .hero-sub {
                font-size: 14px;
            }
            .hero-stats .stat-num {
                font-size: 20px;
            }
            .hero-stats .stat-label {
                font-size: 12px;
            }
            .section-title {
                font-size: 22px;
            }
            .advantage-card {
                padding: 24px 18px 22px;
            }
            .advantage-card h3 {
                font-size: 17px;
            }
            .scenario-card {
                padding: 20px 16px;
            }
            .scenario-card h4 {
                font-size: 16px;
            }
            .content-card .card-body {
                padding: 16px 18px 20px;
            }
            .content-card h4 {
                font-size: 17px;
            }
            .site-logo {
                font-size: 16px;
            }
            .logo-icon {
                width: 28px;
                height: 28px;
                font-size: 14px;
            }
            .nav-search {
                display: none;
            }
            .bottom-tab-nav .tab-item {
                padding: 4px 8px;
                min-width: 44px;
            }
            .bottom-tab-nav .tab-item i {
                font-size: 17px;
            }
            .bottom-tab-nav .tab-item span {
                font-size: 9px;
            }
        }

        /* ===== Helper ===== */
        .text-secondary {
            color: var(--secondary) !important;
        }
        .bg-secondary-soft {
            background: rgba(201, 168, 76, 0.06);
        }
        .gap-2 {
            gap: 8px;
        }
        .gap-3 {
            gap: 16px;
        }
        .mb-0 {
            margin-bottom: 0;
        }
        .mt-2 {
            margin-top: 8px;
        }
        .mt-3 {
            margin-top: 16px;
        }
        .mb-2 {
            margin-bottom: 8px;
        }
        .mb-3 {
            margin-bottom: 16px;
        }
        .mb-4 {
            margin-bottom: 24px;
        }
        .text-center {
            text-align: center;
        }
        .fw-700 {
            font-weight: 700;
        }