/* roulang page: index */
:root {
            --brand-deep: #0f1f2e;
            --brand-blue: #1a3a5c;
            --brand-accent: #f05a28;
            --brand-accent-hover: #d14a1e;
            --brand-gold: #e8a817;
            --brand-light: #f8f9fb;
            --surface-white: #ffffff;
            --surface-gray: #f1f3f6;
            --text-primary: #1a1d22;
            --text-secondary: #4a5058;
            --text-muted: #7a8089;
            --text-inverse: #ffffff;
            --border-light: #e2e5ea;
            --border-medium: #cdd2d9;
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --shadow-sm: 0 1px 4px rgba(15,31,46,0.06);
            --shadow-md: 0 4px 16px rgba(15,31,46,0.10);
            --shadow-lg: 0 8px 32px rgba(15,31,46,0.14);
            --shadow-xl: 0 16px 48px rgba(15,31,46,0.18);
            --transition-fast: 0.18s ease;
            --transition-normal: 0.28s ease;
            --transition-slow: 0.4s ease;
            --font-heading: 'PingFang SC','Microsoft YaHei','Hiragino Sans GB',sans-serif;
            --font-body: 'PingFang SC','Microsoft YaHei','Hiragino Sans GB',sans-serif;
            --max-width: 1200px;
            --nav-height: 68px;
        }

        *,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
        html{scroll-behavior:smooth;-webkit-font-smoothing:antialiased}
        body{font-family:var(--font-body);font-size:16px;line-height:1.7;color:var(--text-primary);background:var(--brand-light);overflow-x:hidden;min-height:100vh}

        a{text-decoration:none;color:inherit;transition:color var(--transition-fast)}
        a:hover{color:var(--brand-accent)}
        img{max-width:100%;height:auto;display:block}
        button,input,select,textarea{font-family:inherit}
        ul,ol{list-style:none;padding:0;margin:0}

        .container-custom{max-width:var(--max-width);margin:0 auto;padding:0 20px}
        @media(min-width:1400px){.container-custom{max-width:1280px}}

        /* ========== HEADER / NAV ========== */
        .site-header{position:sticky;top:0;z-index:1050;background:var(--surface-white);border-bottom:1px solid var(--border-light);box-shadow:var(--shadow-sm);height:var(--nav-height);display:flex;align-items:center}
        .header-inner{display:flex;align-items:center;justify-content:space-between;width:100%;gap:16px;flex-wrap:nowrap}
        .logo-brand{display:flex;align-items:center;gap:10px;flex-shrink:0}
        .logo-brand .logo-icon{width:42px;height:42px;background:var(--brand-accent);border-radius:var(--radius-sm);display:flex;align-items:center;justify-content:center;color:#fff;font-weight:900;font-size:18px;letter-spacing:-1px;flex-shrink:0}
        .logo-brand .logo-text{font-family:var(--font-heading);font-weight:700;font-size:1.25rem;color:var(--brand-deep);white-space:nowrap;letter-spacing:-0.3px}
        .logo-brand:hover .logo-text{color:var(--brand-accent)}

        .nav-search-wrap{flex:1;max-width:440px;position:relative;margin:0 auto}
        .nav-search-wrap .search-input{width:100%;height:44px;padding:0 48px 0 18px;border:2px solid var(--border-medium);border-radius:50px;font-size:0.95rem;color:var(--text-primary);background:var(--surface-gray);outline:none;transition:all var(--transition-normal)}
        .nav-search-wrap .search-input:focus{border-color:var(--brand-accent);background:var(--surface-white);box-shadow:0 0 0 4px rgba(240,90,40,0.10)}
        .nav-search-wrap .search-input::placeholder{color:var(--text-muted)}
        .nav-search-wrap .search-btn{position:absolute;right:6px;top:50%;transform:translateY(-50%);width:34px;height:34px;border-radius:50%;border:none;background:var(--brand-accent);color:#fff;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:background var(--transition-fast);font-size:15px}
        .nav-search-wrap .search-btn:hover{background:var(--brand-accent-hover)}

        .nav-links-desktop{display:flex;align-items:center;gap:6px;flex-shrink:0}
        .nav-links-desktop .nav-link-item{display:inline-flex;align-items:center;gap:5px;padding:8px 16px;border-radius:50px;font-weight:600;font-size:0.93rem;color:var(--text-secondary);transition:all var(--transition-fast);white-space:nowrap;position:relative}
        .nav-links-desktop .nav-link-item:hover{color:var(--brand-accent);background:rgba(240,90,40,0.06)}
        .nav-links-desktop .nav-link-item.active{color:var(--brand-accent);background:rgba(240,90,40,0.10)}
        .nav-links-desktop .nav-link-item .nav-dot{width:6px;height:6px;border-radius:50%;background:var(--brand-accent);display:none}
        .nav-links-desktop .nav-link-item.active .nav-dot{display:inline-block}

        .mobile-toggler{display:none;background:none;border:none;font-size:1.5rem;color:var(--text-primary);cursor:pointer;padding:6px 10px;border-radius:var(--radius-sm);transition:background var(--transition-fast)}
        .mobile-toggler:hover{background:var(--surface-gray)}

        @media(max-width:991px){
            .nav-search-wrap{max-width:280px}
        }
        @media(max-width:768px){
            .site-header{height:auto;min-height:60px;padding:8px 0}
            .header-inner{flex-wrap:wrap;gap:8px}
            .logo-brand .logo-icon{width:34px;height:34px;font-size:15px}
            .logo-brand .logo-text{font-size:1.05rem}
            .nav-search-wrap{order:3;flex:1 1 100%;max-width:100%;margin:4px 0 0}
            .nav-search-wrap .search-input{height:40px;font-size:0.9rem}
            .nav-links-desktop{display:none}
            .mobile-toggler{display:block}
            .mobile-menu-collapse{display:none;position:absolute;top:100%;left:0;right:0;background:var(--surface-white);border-bottom:1px solid var(--border-light);box-shadow:var(--shadow-md);padding:12px 20px;z-index:1040}
            .mobile-menu-collapse.show{display:block}
            .mobile-menu-collapse .nav-link-item{display:flex;align-items:center;gap:8px;padding:12px 16px;border-radius:var(--radius-md);font-weight:600;font-size:0.95rem;color:var(--text-secondary);transition:all var(--transition-fast)}
            .mobile-menu-collapse .nav-link-item:hover{background:var(--surface-gray);color:var(--brand-accent)}
            .mobile-menu-collapse .nav-link-item.active{color:var(--brand-accent);background:rgba(240,90,40,0.08)}
        }

        /* ========== HERO ========== */
        .hero-section{position:relative;background:linear-gradient(160deg,var(--brand-deep) 0%,#162d45 40%,var(--brand-blue) 100%);min-height:520px;display:flex;align-items:center;overflow:hidden}
        .hero-section::before{content:'';position:absolute;inset:0;background-image:url('/assets/images/backpic/back-1.png');background-size:cover;background-position:center;opacity:0.22;z-index:0}
        .hero-section::after{content:'';position:absolute;bottom:0;left:0;right:0;height:80px;background:linear-gradient(to top,var(--brand-light),transparent);z-index:1}
        .hero-content{position:relative;z-index:2;padding:60px 0 80px;text-align:center}
        .hero-badge{display:inline-block;padding:6px 18px;background:rgba(255,255,255,0.12);border:1px solid rgba(255,255,255,0.22);border-radius:50px;color:var(--brand-gold);font-weight:600;font-size:0.88rem;letter-spacing:1px;margin-bottom:20px;backdrop-filter:blur(4px)}
        .hero-title{font-family:var(--font-heading);font-weight:800;font-size:2.8rem;color:var(--text-inverse);line-height:1.25;margin-bottom:16px;letter-spacing:-0.5px}
        .hero-title .highlight{color:var(--brand-gold)}
        .hero-subtitle{font-size:1.15rem;color:rgba(255,255,255,0.82);max-width:640px;margin:0 auto 32px;line-height:1.7}
        .hero-actions{display:flex;flex-wrap:wrap;gap:14px;justify-content:center}
        .btn-hero-primary{display:inline-flex;align-items:center;gap:8px;padding:14px 32px;background:var(--brand-accent);color:#fff;border:none;border-radius:50px;font-weight:700;font-size:1rem;cursor:pointer;transition:all var(--transition-normal);box-shadow:0 4px 18px rgba(240,90,40,0.35)}
        .btn-hero-primary:hover{background:var(--brand-accent-hover);transform:translateY(-2px);box-shadow:0 8px 28px rgba(240,90,40,0.45);color:#fff}
        .btn-hero-outline{display:inline-flex;align-items:center;gap:8px;padding:14px 32px;background:transparent;color:#fff;border:2px solid rgba(255,255,255,0.45);border-radius:50px;font-weight:700;font-size:1rem;cursor:pointer;transition:all var(--transition-normal)}
        .btn-hero-outline:hover{background:rgba(255,255,255,0.08);border-color:#fff;color:#fff;transform:translateY(-2px)}
        .hero-stats-row{display:flex;flex-wrap:wrap;gap:40px;justify-content:center;margin-top:40px}
        .hero-stat-item{text-align:center}
        .hero-stat-num{font-size:2.4rem;font-weight:800;color:var(--brand-gold);line-height:1.1}
        .hero-stat-label{font-size:0.88rem;color:rgba(255,255,255,0.7);margin-top:4px}

        @media(max-width:768px){
            .hero-section{min-height:420px}
            .hero-content{padding:40px 0 60px}
            .hero-title{font-size:1.8rem}
            .hero-subtitle{font-size:1rem}
            .hero-stats-row{gap:20px}
            .hero-stat-num{font-size:1.8rem}
            .btn-hero-primary,.btn-hero-outline{padding:12px 24px;font-size:0.93rem}
        }

        /* ========== SECTIONS ========== */
        .section{padding:60px 0}
        .section-header{text-align:center;margin-bottom:44px}
        .section-label{display:inline-block;font-weight:700;font-size:0.83rem;color:var(--brand-accent);text-transform:uppercase;letter-spacing:1.5px;margin-bottom:8px}
        .section-title{font-family:var(--font-heading);font-weight:700;font-size:2rem;color:var(--text-primary);margin-bottom:10px;letter-spacing:-0.3px}
        .section-desc{color:var(--text-muted);font-size:1rem;max-width:560px;margin:0 auto}

        @media(max-width:768px){
            .section{padding:40px 0}
            .section-header{margin-bottom:28px}
            .section-title{font-size:1.5rem}
        }

        /* ========== CATEGORY CARDS ========== */
        .category-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
        .category-card{background:var(--surface-white);border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow-sm);border:1px solid var(--border-light);transition:all var(--transition-normal);cursor:pointer;display:flex;flex-direction:column}
        .category-card:hover{box-shadow:var(--shadow-lg);transform:translateY(-4px);border-color:transparent}
        .category-card .card-img-wrap{position:relative;height:200px;overflow:hidden}
        .category-card .card-img-wrap img{width:100%;height:100%;object-fit:cover;transition:transform var(--transition-slow)}
        .category-card:hover .card-img-wrap img{transform:scale(1.06)}
        .category-card .card-img-overlay{position:absolute;inset:0;background:linear-gradient(to top,rgba(15,31,46,0.7),transparent 50%)}
        .category-card .card-body{padding:20px 22px 24px;flex:1;display:flex;flex-direction:column}
        .category-card .card-tag{display:inline-block;padding:4px 12px;background:rgba(240,90,40,0.1);color:var(--brand-accent);border-radius:50px;font-weight:600;font-size:0.8rem;margin-bottom:10px;width:fit-content}
        .category-card .card-title{font-family:var(--font-heading);font-weight:700;font-size:1.2rem;color:var(--text-primary);margin-bottom:6px}
        .category-card .card-desc{color:var(--text-muted);font-size:0.9rem;line-height:1.6;flex:1}
        .category-card .card-link{display:inline-flex;align-items:center;gap:6px;font-weight:700;font-size:0.9rem;color:var(--brand-accent);margin-top:12px;transition:gap var(--transition-fast)}
        .category-card .card-link:hover{gap:12px;color:var(--brand-accent-hover)}
        @media(max-width:768px){
            .category-grid{grid-template-columns:1fr;gap:16px}
            .category-card .card-img-wrap{height:160px}
        }
        @media(min-width:769px) and (max-width:1024px){
            .category-grid{grid-template-columns:repeat(2,1fr)}
        }

        /* ========== NEWS LIST (CMS) ========== */
        .news-list-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
        .news-card{background:var(--surface-white);border-radius:var(--radius-md);padding:20px 22px;border:1px solid var(--border-light);box-shadow:var(--shadow-sm);transition:all var(--transition-normal);display:flex;flex-direction:column;gap:8px}
        .news-card:hover{box-shadow:var(--shadow-md);border-color:transparent;transform:translateY(-2px)}
        .news-card .news-cat{font-size:0.78rem;font-weight:700;color:var(--brand-accent);text-transform:uppercase;letter-spacing:0.8px}
        .news-card .news-title{font-family:var(--font-heading);font-weight:700;font-size:1.05rem;color:var(--text-primary);line-height:1.45;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
        .news-card .news-summary{color:var(--text-muted);font-size:0.88rem;line-height:1.6;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;flex:1}
        .news-card .news-meta{display:flex;align-items:center;gap:12px;font-size:0.8rem;color:var(--text-muted)}
        .news-empty{text-align:center;padding:40px;color:var(--text-muted);font-size:0.95rem;grid-column:1/-1}
        @media(max-width:768px){
            .news-list-grid{grid-template-columns:1fr;gap:12px}
        }
        @media(min-width:769px) and (max-width:1024px){
            .news-list-grid{grid-template-columns:repeat(2,1fr)}
        }

        /* ========== FEATURES ========== */
        .features-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
        .feature-card{background:var(--surface-white);border-radius:var(--radius-lg);padding:28px 22px;text-align:center;border:1px solid var(--border-light);box-shadow:var(--shadow-sm);transition:all var(--transition-normal)}
        .feature-card:hover{box-shadow:var(--shadow-md);transform:translateY(-3px)}
        .feature-icon{width:56px;height:56px;border-radius:var(--radius-md);display:flex;align-items:center;justify-content:center;margin:0 auto 16px;font-size:1.5rem;background:rgba(240,90,40,0.1);color:var(--brand-accent)}
        .feature-card h4{font-weight:700;font-size:1.05rem;margin-bottom:6px;color:var(--text-primary)}
        .feature-card p{font-size:0.88rem;color:var(--text-muted);line-height:1.6;margin:0}
        @media(max-width:768px){
            .features-grid{grid-template-columns:repeat(2,1fr);gap:12px}
            .feature-card{padding:20px 14px}
        }
        @media(max-width:480px){
            .features-grid{grid-template-columns:1fr}
        }

        /* ========== HIGHLIGHT CARDS ========== */
        .highlight-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
        .highlight-card{background:var(--surface-white);border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow-sm);border:1px solid var(--border-light);transition:all var(--transition-normal);display:flex;flex-direction:column}
        .highlight-card:hover{box-shadow:var(--shadow-lg);transform:translateY(-3px)}
        .highlight-card .hl-img{height:220px;overflow:hidden}
        .highlight-card .hl-img img{width:100%;height:100%;object-fit:cover;transition:transform var(--transition-slow)}
        .highlight-card:hover .hl-img img{transform:scale(1.05)}
        .highlight-card .hl-body{padding:20px 24px 24px;flex:1;display:flex;flex-direction:column}
        .highlight-card .hl-tag{font-size:0.78rem;font-weight:700;color:var(--brand-accent);letter-spacing:0.6px;margin-bottom:6px}
        .highlight-card .hl-title{font-family:var(--font-heading);font-weight:700;font-size:1.25rem;color:var(--text-primary);margin-bottom:8px}
        .highlight-card .hl-desc{color:var(--text-muted);font-size:0.9rem;line-height:1.6;flex:1}
        @media(max-width:768px){
            .highlight-grid{grid-template-columns:1fr;gap:16px}
            .highlight-card .hl-img{height:160px}
        }

        /* ========== FAQ ========== */
        .faq-wrap{max-width:760px;margin:0 auto}
        .faq-wrap .accordion-item{border:1px solid var(--border-light);border-radius:var(--radius-md)!important;margin-bottom:10px;overflow:hidden;box-shadow:var(--shadow-sm);background:var(--surface-white)}
        .faq-wrap .accordion-button{font-weight:700;font-size:1rem;color:var(--text-primary);padding:18px 22px;background:var(--surface-white);box-shadow:none!important;transition:all var(--transition-fast)}
        .faq-wrap .accordion-button:not(.collapsed){color:var(--brand-accent);background:rgba(240,90,40,0.03);box-shadow:none}
        .faq-wrap .accordion-button:focus{box-shadow:none;border-color:var(--brand-accent)}
        .faq-wrap .accordion-body{padding:16px 22px 22px;color:var(--text-secondary);font-size:0.93rem;line-height:1.75}
        .faq-wrap .accordion-button::after{transition:transform var(--transition-normal)}

        /* ========== CTA ========== */
        .cta-section{background:linear-gradient(150deg,var(--brand-deep) 0%,var(--brand-blue) 100%);border-radius:var(--radius-xl);padding:50px 40px;text-align:center;position:relative;overflow:hidden;margin:0 20px}
        .cta-section::before{content:'';position:absolute;inset:0;background-image:url('/assets/images/backpic/back-2.png');background-size:cover;background-position:center;opacity:0.13;z-index:0}
        .cta-content{position:relative;z-index:1}
        .cta-title{font-family:var(--font-heading);font-weight:800;font-size:2rem;color:#fff;margin-bottom:12px}
        .cta-desc{color:rgba(255,255,255,0.8);font-size:1.05rem;max-width:500px;margin:0 auto 28px}
        .btn-cta{display:inline-flex;align-items:center;gap:8px;padding:15px 36px;background:var(--brand-accent);color:#fff;border:none;border-radius:50px;font-weight:700;font-size:1.05rem;cursor:pointer;transition:all var(--transition-normal);box-shadow:0 6px 22px rgba(240,90,40,0.4)}
        .btn-cta:hover{background:var(--brand-accent-hover);transform:translateY(-2px);box-shadow:0 10px 30px rgba(240,90,40,0.5);color:#fff}
        @media(max-width:768px){
            .cta-section{padding:36px 20px;margin:0 12px;border-radius:var(--radius-lg)}
            .cta-title{font-size:1.5rem}
            .cta-desc{font-size:0.93rem}
            .btn-cta{padding:13px 28px;font-size:0.95rem}
        }

        /* ========== FOOTER ========== */
        .site-footer{background:var(--brand-deep);color:rgba(255,255,255,0.75);padding:44px 0 28px;margin-top:20px}
        .footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:32px;margin-bottom:32px}
        .footer-brand .logo-brand-footer{display:flex;align-items:center;gap:10px;margin-bottom:12px}
        .footer-brand .logo-icon-footer{width:38px;height:38px;background:var(--brand-accent);border-radius:var(--radius-sm);display:flex;align-items:center;justify-content:center;color:#fff;font-weight:900;font-size:16px}
        .footer-brand .logo-text-footer{font-weight:700;font-size:1.15rem;color:#fff}
        .footer-brand p{font-size:0.88rem;line-height:1.7;margin:0;color:rgba(255,255,255,0.6)}
        .footer-col h4{font-weight:700;font-size:0.95rem;color:#fff;margin-bottom:14px;letter-spacing:0.3px}
        .footer-col ul li{margin-bottom:8px}
        .footer-col ul li a{font-size:0.88rem;color:rgba(255,255,255,0.65);transition:color var(--transition-fast)}
        .footer-col ul li a:hover{color:var(--brand-accent)}
        .footer-bottom{border-top:1px solid rgba(255,255,255,0.12);padding-top:18px;text-align:center;font-size:0.82rem;color:rgba(255,255,255,0.5)}
        @media(max-width:768px){
            .footer-grid{grid-template-columns:1fr 1fr;gap:24px}
        }
        @media(max-width:480px){
            .footer-grid{grid-template-columns:1fr}
        }

        /* ========== UTILS ========== */
        .text-accent{color:var(--brand-accent)}
        .bg-light-gray{background:var(--surface-gray)}
        .bg-white{background:var(--surface-white)}
        .sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}

/* roulang page: article */
:root {
            --primary: #e63946;
            --primary-dark: #c1121f;
            --primary-light: #ff6b6b;
            --accent: #1d3557;
            --accent-light: #2a4a7f;
            --surface: #ffffff;
            --bg: #f8f9fa;
            --bg-alt: #edf2f7;
            --text: #1a1a2e;
            --text-secondary: #5a6072;
            --text-muted: #8b919e;
            --border: #e2e8f0;
            --border-light: #f0f2f5;
            --shadow-sm: 0 1px 3px rgba(0,0,0,0.06), 0 1px 2px rgba(0,0,0,0.04);
            --shadow: 0 4px 16px rgba(0,0,0,0.07), 0 2px 6px rgba(0,0,0,0.04);
            --shadow-lg: 0 12px 40px rgba(0,0,0,0.1), 0 4px 12px rgba(0,0,0,0.05);
            --shadow-xl: 0 20px 60px rgba(0,0,0,0.12), 0 8px 20px rgba(0,0,0,0.06);
            --radius-sm: 8px;
            --radius: 12px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --transition: 0.22s cubic-bezier(0.4, 0, 0.2, 1);
            --font-heading: 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', sans-serif;
            --font-body: 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', system-ui, sans-serif;
            --max-width: 1240px;
            --content-max-width: 780px;
        }

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

        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            font-family: var(--font-body);
            color: var(--text);
            background-color: var(--bg);
            line-height: 1.7;
            margin: 0;
            padding: 0;
            min-height: 100vh;
            display: flex;
            flex-direction: column;
        }

        a {
            color: var(--accent);
            text-decoration: none;
            transition: color var(--transition);
        }
        a:hover {
            color: var(--primary);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        .container-custom {
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 24px;
        }
        .container-content {
            max-width: var(--content-max-width);
            margin: 0 auto;
            padding: 0 24px;
        }

        /* Header & Navigation */
        .site-header {
            background: var(--surface);
            border-bottom: 1px solid var(--border);
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: var(--shadow-sm);
        }
        .header-inner {
            display: flex;
            align-items: center;
            gap: 20px;
            height: 64px;
        }
        .logo-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            text-decoration: none;
            flex-shrink: 0;
            transition: opacity var(--transition);
        }
        .logo-brand:hover {
            opacity: 0.85;
            color: inherit;
        }
        .logo-icon {
            width: 40px;
            height: 40px;
            border-radius: var(--radius-sm);
            background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 800;
            font-size: 18px;
            font-family: var(--font-heading);
            letter-spacing: 0.5px;
            box-shadow: 0 2px 8px rgba(230,57,70,0.3);
        }
        .logo-text {
            font-weight: 700;
            font-size: 17px;
            color: var(--accent);
            font-family: var(--font-heading);
            letter-spacing: 0.3px;
            white-space: nowrap;
        }
        .nav-search-wrap {
            flex: 1;
            max-width: 420px;
            position: relative;
            margin: 0 auto;
        }
        .search-input {
            width: 100%;
            height: 42px;
            border: 2px solid var(--border);
            border-radius: 50px;
            padding: 0 48px 0 20px;
            font-size: 14px;
            background: var(--bg);
            color: var(--text);
            outline: none;
            transition: all var(--transition);
            font-family: var(--font-body);
        }
        .search-input:focus {
            border-color: var(--primary);
            background: var(--surface);
            box-shadow: 0 0 0 4px rgba(230,57,70,0.08);
        }
        .search-input::placeholder {
            color: var(--text-muted);
        }
        .search-btn {
            position: absolute;
            right: 6px;
            top: 50%;
            transform: translateY(-50%);
            width: 34px;
            height: 34px;
            border-radius: 50%;
            border: none;
            background: var(--primary);
            color: #fff;
            cursor: pointer;
            font-size: 13px;
            transition: all var(--transition);
            display: flex;
            align-items: center;
            justify-content: center;
        }
        .search-btn:hover {
            background: var(--primary-dark);
            box-shadow: 0 3px 12px rgba(230,57,70,0.35);
        }
        .nav-links-desktop {
            display: flex;
            align-items: center;
            gap: 6px;
            flex-shrink: 0;
        }
        .nav-link-item {
            display: flex;
            align-items: center;
            gap: 6px;
            padding: 8px 16px;
            border-radius: 50px;
            font-weight: 600;
            font-size: 14px;
            color: var(--text-secondary);
            text-decoration: none;
            transition: all var(--transition);
            white-space: nowrap;
            position: relative;
        }
        .nav-link-item:hover {
            color: var(--primary);
            background: rgba(230,57,70,0.05);
        }
        .nav-link-item.active {
            color: var(--primary);
            background: rgba(230,57,70,0.08);
            font-weight: 700;
        }
        .nav-dot {
            width: 7px;
            height: 7px;
            border-radius: 50%;
            background: var(--primary);
            display: inline-block;
            opacity: 0;
            transition: opacity var(--transition);
        }
        .nav-link-item.active .nav-dot {
            opacity: 1;
        }
        .mobile-toggler {
            display: none;
            background: none;
            border: none;
            font-size: 22px;
            color: var(--text);
            cursor: pointer;
            padding: 8px;
            border-radius: var(--radius-sm);
            transition: all var(--transition);
        }
        .mobile-toggler:hover {
            background: var(--bg-alt);
            color: var(--primary);
        }
        .mobile-menu-collapse {
            display: none;
            flex-direction: column;
            padding: 0 24px 16px;
            background: var(--surface);
            border-top: 1px solid var(--border);
            gap: 4px;
        }
        .mobile-menu-collapse .nav-link-item {
            padding: 12px 16px;
            border-radius: var(--radius-sm);
            font-size: 15px;
            justify-content: flex-start;
        }

        @media (max-width: 1024px) {
            .nav-search-wrap {
                max-width: 280px;
            }
            .nav-link-item {
                padding: 8px 12px;
                font-size: 13px;
                gap: 3px;
            }
        }
        @media (max-width: 860px) {
            .nav-links-desktop {
                display: none;
            }
            .nav-search-wrap {
                max-width: 320px;
                margin: 0;
                flex: 1;
            }
            .mobile-toggler {
                display: flex;
                align-items: center;
                justify-content: center;
            }
            .mobile-menu-collapse.show {
                display: flex;
            }
            .header-inner {
                gap: 12px;
            }
        }
        @media (max-width: 520px) {
            .header-inner {
                height: 56px;
                gap: 10px;
            }
            .logo-icon {
                width: 34px;
                height: 34px;
                font-size: 15px;
                border-radius: 7px;
            }
            .logo-text {
                font-size: 14px;
            }
            .search-input {
                height: 38px;
                font-size: 13px;
                padding: 0 42px 0 14px;
            }
            .search-btn {
                width: 30px;
                height: 30px;
                right: 4px;
                font-size: 11px;
            }
            .nav-search-wrap {
                max-width: 100%;
            }
            .container-custom {
                padding: 0 14px;
            }
            .container-content {
                padding: 0 14px;
            }
        }

        /* Breadcrumb */
        .breadcrumb-bar {
            background: var(--surface);
            border-bottom: 1px solid var(--border-light);
            padding: 14px 0;
        }
        .breadcrumb-nav {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            color: var(--text-muted);
            flex-wrap: wrap;
        }
        .breadcrumb-nav a {
            color: var(--text-secondary);
            text-decoration: none;
            transition: color var(--transition);
        }
        .breadcrumb-nav a:hover {
            color: var(--primary);
        }
        .breadcrumb-sep {
            color: var(--border);
            font-size: 10px;
        }
        .breadcrumb-current {
            color: var(--text);
            font-weight: 600;
            max-width: 300px;
            overflow: hidden;
            text-overflow: ellipsis;
            white-space: nowrap;
        }

        /* Article Hero */
        .article-hero {
            background: linear-gradient(170deg, #1a1a2e 0%, #16213e 40%, #0f3460 100%);
            padding: 50px 0 40px;
            position: relative;
            overflow: hidden;
        }
        .article-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-1.png') center/cover no-repeat;
            opacity: 0.12;
            pointer-events: none;
        }
        .article-hero-inner {
            position: relative;
            z-index: 1;
        }
        .article-category-tag {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: rgba(255,255,255,0.12);
            backdrop-filter: blur(8px);
            border: 1px solid rgba(255,255,255,0.2);
            color: #fff;
            padding: 6px 16px;
            border-radius: 50px;
            font-size: 13px;
            font-weight: 600;
            margin-bottom: 20px;
            letter-spacing: 0.3px;
        }
        .article-category-tag .tag-dot {
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: var(--primary-light);
        }
        .article-hero h1 {
            font-family: var(--font-heading);
            font-weight: 800;
            font-size: 2.4rem;
            color: #fff;
            line-height: 1.35;
            margin-bottom: 16px;
            letter-spacing: 0.3px;
        }
        .article-meta-row {
            display: flex;
            align-items: center;
            gap: 20px;
            flex-wrap: wrap;
            color: rgba(255,255,255,0.75);
            font-size: 14px;
        }
        .article-meta-item {
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .article-meta-item i {
            font-size: 13px;
            opacity: 0.8;
        }

        /* Article Content */
        .article-content-section {
            padding: 40px 0 50px;
        }
        .article-card {
            background: var(--surface);
            border-radius: var(--radius-lg);
            padding: 40px 44px;
            box-shadow: var(--shadow);
            border: 1px solid var(--border-light);
        }
        .article-body {
            font-size: 16px;
            line-height: 1.85;
            color: var(--text);
        }
        .article-body h2 {
            font-family: var(--font-heading);
            font-weight: 700;
            font-size: 1.55rem;
            color: var(--accent);
            margin-top: 2em;
            margin-bottom: 0.8em;
            padding-bottom: 10px;
            border-bottom: 2px solid var(--border-light);
            letter-spacing: 0.2px;
        }
        .article-body h3 {
            font-family: var(--font-heading);
            font-weight: 700;
            font-size: 1.25rem;
            color: var(--text);
            margin-top: 1.6em;
            margin-bottom: 0.6em;
        }
        .article-body h4 {
            font-family: var(--font-heading);
            font-weight: 600;
            font-size: 1.1rem;
            color: var(--text);
            margin-top: 1.4em;
            margin-bottom: 0.5em;
        }
        .article-body p {
            margin-bottom: 1.2em;
            color: var(--text);
        }
        .article-body ul,
        .article-body ol {
            margin-bottom: 1.2em;
            padding-left: 1.6em;
        }
        .article-body li {
            margin-bottom: 0.5em;
            color: var(--text);
        }
        .article-body blockquote {
            border-left: 4px solid var(--primary);
            background: rgba(230,57,70,0.03);
            padding: 18px 24px;
            margin: 1.5em 0;
            border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
            color: var(--text-secondary);
            font-style: italic;
        }
        .article-body img {
            border-radius: var(--radius);
            margin: 1.5em auto;
            box-shadow: var(--shadow-sm);
            max-width: 100%;
        }
        .article-body a {
            color: var(--primary);
            text-decoration: underline;
            text-underline-offset: 3px;
            transition: all var(--transition);
        }
        .article-body a:hover {
            color: var(--primary-dark);
            text-decoration-thickness: 2px;
        }
        .article-body table {
            width: 100%;
            border-collapse: collapse;
            margin: 1.5em 0;
            font-size: 14px;
        }
        .article-body table th,
        .article-body table td {
            border: 1px solid var(--border);
            padding: 10px 14px;
            text-align: left;
        }
        .article-body table th {
            background: var(--bg-alt);
            font-weight: 700;
            color: var(--accent);
        }
        .article-body code {
            background: var(--bg-alt);
            padding: 3px 8px;
            border-radius: 4px;
            font-size: 0.9em;
            color: var(--primary-dark);
        }
        .article-body pre {
            background: #1a1a2e;
            color: #e2e8f0;
            padding: 20px 24px;
            border-radius: var(--radius);
            overflow-x: auto;
            margin: 1.5em 0;
            font-size: 14px;
            line-height: 1.6;
        }
        .article-body pre code {
            background: transparent;
            color: inherit;
            padding: 0;
        }

        /* Article Footer */
        .article-footer-row {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 16px;
            margin-top: 32px;
            padding-top: 24px;
            border-top: 1px solid var(--border-light);
        }
        .article-tags {
            display: flex;
            align-items: center;
            gap: 8px;
            flex-wrap: wrap;
        }
        .article-tag {
            display: inline-block;
            background: var(--bg-alt);
            color: var(--text-secondary);
            padding: 5px 14px;
            border-radius: 50px;
            font-size: 12px;
            font-weight: 500;
            transition: all var(--transition);
        }
        .article-tag:hover {
            background: rgba(230,57,70,0.1);
            color: var(--primary);
        }
        .back-home-btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--accent);
            color: #fff;
            padding: 10px 22px;
            border-radius: 50px;
            font-weight: 600;
            font-size: 14px;
            text-decoration: none;
            transition: all var(--transition);
            border: none;
            cursor: pointer;
        }
        .back-home-btn:hover {
            background: var(--accent-light);
            color: #fff;
            box-shadow: var(--shadow-lg);
            transform: translateY(-1px);
        }

        /* Not Found State */
        .not-found-card {
            text-align: center;
            padding: 60px 30px;
        }
        .not-found-card .nf-icon {
            font-size: 64px;
            color: var(--text-muted);
            margin-bottom: 20px;
        }
        .not-found-card h3 {
            font-family: var(--font-heading);
            font-weight: 700;
            font-size: 1.5rem;
            color: var(--text);
            margin-bottom: 10px;
        }
        .not-found-card p {
            color: var(--text-secondary);
            margin-bottom: 24px;
            font-size: 15px;
        }

        /* Related Articles */
        .related-section {
            padding: 50px 0 40px;
            background: var(--bg);
        }
        .section-label {
            display: inline-block;
            font-size: 12px;
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 1.5px;
            color: var(--primary);
            margin-bottom: 8px;
        }
        .section-title {
            font-family: var(--font-heading);
            font-weight: 800;
            font-size: 1.8rem;
            color: var(--accent);
            margin-bottom: 28px;
            letter-spacing: 0.2px;
        }
        .related-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }
        .related-card {
            background: var(--surface);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-light);
            transition: all var(--transition);
            text-decoration: none;
            display: flex;
            flex-direction: column;
        }
        .related-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-3px);
            border-color: var(--primary-light);
        }
        .related-card-img {
            width: 100%;
            height: 180px;
            object-fit: cover;
            display: block;
        }
        .related-card-body {
            padding: 18px 20px 20px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .related-card-body h4 {
            font-family: var(--font-heading);
            font-weight: 700;
            font-size: 16px;
            color: var(--text);
            margin-bottom: 8px;
            line-height: 1.4;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .related-card-body p {
            font-size: 13px;
            color: var(--text-muted);
            margin-bottom: 12px;
            flex: 1;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .related-card-meta {
            font-size: 12px;
            color: var(--text-muted);
            display: flex;
            align-items: center;
            gap: 6px;
        }

        /* CTA Section */
        .cta-section {
            padding: 50px 0;
            background: linear-gradient(135deg, var(--accent) 0%, #0f3460 100%);
            position: relative;
            overflow: hidden;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-2.png') center/cover no-repeat;
            opacity: 0.08;
            pointer-events: none;
        }
        .cta-inner {
            position: relative;
            z-index: 1;
            text-align: center;
            max-width: 600px;
            margin: 0 auto;
        }
        .cta-inner h3 {
            font-family: var(--font-heading);
            font-weight: 800;
            font-size: 1.7rem;
            color: #fff;
            margin-bottom: 12px;
        }
        .cta-inner p {
            color: rgba(255,255,255,0.8);
            font-size: 15px;
            margin-bottom: 24px;
            line-height: 1.6;
        }
        .cta-btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--primary);
            color: #fff;
            padding: 13px 32px;
            border-radius: 50px;
            font-weight: 700;
            font-size: 15px;
            text-decoration: none;
            transition: all var(--transition);
            border: none;
            cursor: pointer;
            box-shadow: 0 6px 24px rgba(230,57,70,0.4);
        }
        .cta-btn:hover {
            background: #fff;
            color: var(--primary);
            box-shadow: 0 10px 32px rgba(255,255,255,0.25);
            transform: translateY(-2px);
        }

        /* FAQ Section */
        .faq-section {
            padding: 50px 0 60px;
            background: var(--surface);
        }
        .faq-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 16px;
            max-width: 900px;
            margin: 0 auto;
        }
        .faq-item {
            background: var(--bg);
            border-radius: var(--radius);
            padding: 20px 24px;
            border: 1px solid var(--border-light);
            transition: all var(--transition);
        }
        .faq-item:hover {
            box-shadow: var(--shadow);
            border-color: var(--primary-light);
        }
        .faq-item h4 {
            font-family: var(--font-heading);
            font-weight: 700;
            font-size: 15px;
            color: var(--accent);
            margin-bottom: 8px;
        }
        .faq-item p {
            font-size: 14px;
            color: var(--text-secondary);
            margin: 0;
            line-height: 1.6;
        }

        /* Footer */
        .site-footer {
            background: #1a1a2e;
            color: rgba(255,255,255,0.75);
            padding: 50px 0 0;
            margin-top: auto;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1fr;
            gap: 32px;
            padding-bottom: 36px;
            border-bottom: 1px solid rgba(255,255,255,0.1);
        }
        .footer-brand p {
            font-size: 13px;
            line-height: 1.7;
            margin-top: 12px;
            color: rgba(255,255,255,0.6);
        }
        .logo-brand-footer {
            display: flex;
            align-items: center;
            gap: 10px;
            text-decoration: none;
        }
        .logo-icon-footer {
            width: 38px;
            height: 38px;
            border-radius: var(--radius-sm);
            background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 800;
            font-size: 17px;
            font-family: var(--font-heading);
        }
        .logo-text-footer {
            font-weight: 700;
            font-size: 16px;
            color: #fff;
            font-family: var(--font-heading);
        }
        .footer-col h4 {
            font-family: var(--font-heading);
            font-weight: 700;
            font-size: 14px;
            color: #fff;
            margin-bottom: 14px;
            letter-spacing: 0.5px;
        }
        .footer-col ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .footer-col ul li {
            margin-bottom: 8px;
        }
        .footer-col ul li a {
            color: rgba(255,255,255,0.6);
            font-size: 13px;
            text-decoration: none;
            transition: all var(--transition);
        }
        .footer-col ul li a:hover {
            color: var(--primary-light);
            padding-left: 4px;
        }
        .footer-bottom {
            text-align: center;
            padding: 20px 0;
            font-size: 12px;
            color: rgba(255,255,255,0.4);
        }

        @media (max-width: 900px) {
            .footer-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 24px;
            }
            .related-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .faq-grid {
                grid-template-columns: 1fr;
            }
            .article-card {
                padding: 28px 22px;
            }
            .article-hero h1 {
                font-size: 1.8rem;
            }
            .section-title {
                font-size: 1.5rem;
            }
        }
        @media (max-width: 600px) {
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .related-grid {
                grid-template-columns: 1fr;
            }
            .article-card {
                padding: 22px 16px;
                border-radius: var(--radius);
            }
            .article-hero {
                padding: 32px 0 28px;
            }
            .article-hero h1 {
                font-size: 1.45rem;
            }
            .article-meta-row {
                gap: 12px;
                font-size: 12px;
            }
            .article-body {
                font-size: 15px;
            }
            .article-body h2 {
                font-size: 1.3rem;
            }
            .article-body h3 {
                font-size: 1.15rem;
            }
            .article-footer-row {
                flex-direction: column;
                align-items: flex-start;
            }
            .back-home-btn {
                width: 100%;
                justify-content: center;
            }
            .cta-inner h3 {
                font-size: 1.35rem;
            }
            .related-card-img {
                height: 160px;
            }
        }

/* roulang page: category1 */
:root {
            --color-primary: #e63946;
            --color-primary-dark: #c1121f;
            --color-primary-light: #ff6b6b;
            --color-secondary: #1d3557;
            --color-secondary-light: #2a4a7f;
            --color-accent: #f4a261;
            --color-accent-dark: #e07b30;
            --color-bg: #f8f9fa;
            --color-bg-alt: #ffffff;
            --color-bg-dark: #1a1a2e;
            --color-bg-card: #ffffff;
            --color-text: #212529;
            --color-text-light: #6c757d;
            --color-text-muted: #9ca3af;
            --color-text-inverse: #f8f9fa;
            --color-border: #e9ecef;
            --color-border-light: #f1f3f5;
            --color-success: #2a9d8f;
            --color-warning: #e9c46a;
            --radius-sm: 6px;
            --radius-md: 10px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --radius-full: 50%;
            --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.06), 0 1px 2px rgba(0, 0, 0, 0.04);
            --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.08), 0 2px 6px rgba(0, 0, 0, 0.04);
            --shadow-lg: 0 12px 32px rgba(0, 0, 0, 0.1), 0 4px 12px rgba(0, 0, 0, 0.05);
            --shadow-xl: 0 20px 48px rgba(0, 0, 0, 0.14), 0 8px 20px rgba(0, 0, 0, 0.06);
            --shadow-card-hover: 0 16px 40px rgba(0, 0, 0, 0.12), 0 6px 14px rgba(0, 0, 0, 0.06);
            --transition-fast: 0.18s ease;
            --transition-base: 0.28s ease;
            --transition-slow: 0.4s ease;
            --font-heading: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', -apple-system, 'Helvetica Neue', sans-serif;
            --font-body: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', -apple-system, 'Segoe UI', 'Helvetica Neue', sans-serif;
            --section-gap: 80px;
            --section-gap-mobile: 48px;
            --container-max: 1200px;
            --header-height: 72px;
        }

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

        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            font-family: var(--font-body);
            font-size: 16px;
            line-height: 1.65;
            color: var(--color-text);
            background-color: var(--color-bg);
            min-height: 100vh;
            overflow-x: hidden;
        }

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

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

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

        button {
            cursor: pointer;
            font-family: inherit;
        }

        ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            font-family: var(--font-heading);
            font-weight: 700;
            line-height: 1.3;
            color: var(--color-secondary);
        }

        .container-custom {
            width: 100%;
            max-width: var(--container-max);
            margin-left: auto;
            margin-right: auto;
            padding-left: 20px;
            padding-right: 20px;
        }

        /* ========== HEADER ========== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1050;
            background: rgba(255, 255, 255, 0.96);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid var(--color-border-light);
            box-shadow: var(--shadow-sm);
            height: var(--header-height);
            display: flex;
            align-items: center;
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 20px;
            width: 100%;
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 20px;
        }

        .logo-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
            text-decoration: none;
            transition: opacity var(--transition-fast);
        }

        .logo-brand:hover {
            opacity: 0.85;
            color: inherit;
        }

        .logo-icon {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 42px;
            height: 42px;
            border-radius: var(--radius-md);
            background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
            color: #fff;
            font-weight: 800;
            font-size: 20px;
            font-family: var(--font-heading);
            letter-spacing: -0.5px;
            flex-shrink: 0;
            box-shadow: 0 3px 10px rgba(230, 57, 70, 0.3);
        }

        .logo-text {
            font-family: var(--font-heading);
            font-weight: 700;
            font-size: 18px;
            color: var(--color-secondary);
            white-space: nowrap;
            letter-spacing: 0.3px;
        }

        .nav-search-wrap {
            display: flex;
            align-items: center;
            flex: 1;
            max-width: 420px;
            position: relative;
        }

        .search-input {
            width: 100%;
            padding: 10px 44px 10px 16px;
            border: 2px solid var(--color-border);
            border-radius: 50px;
            font-size: 14px;
            font-family: var(--font-body);
            background: var(--color-bg);
            color: var(--color-text);
            transition: all var(--transition-base);
            outline: none;
        }

        .search-input:focus {
            border-color: var(--color-primary);
            box-shadow: 0 0 0 4px rgba(230, 57, 70, 0.08);
            background: #fff;
        }

        .search-input::placeholder {
            color: var(--color-text-muted);
        }

        .search-btn {
            position: absolute;
            right: 6px;
            top: 50%;
            transform: translateY(-50%);
            background: var(--color-primary);
            color: #fff;
            border: none;
            width: 34px;
            height: 34px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 14px;
            transition: all var(--transition-fast);
            box-shadow: 0 2px 8px rgba(230, 57, 70, 0.25);
        }

        .search-btn:hover {
            background: var(--color-primary-dark);
            box-shadow: 0 4px 14px rgba(230, 57, 70, 0.35);
            transform: translateY(-50%) scale(1.04);
        }

        .nav-links-desktop {
            display: flex;
            align-items: center;
            gap: 6px;
            flex-shrink: 0;
        }

        .nav-link-item {
            display: flex;
            align-items: center;
            gap: 6px;
            padding: 8px 15px;
            border-radius: 50px;
            font-size: 15px;
            font-weight: 500;
            color: var(--color-text);
            transition: all var(--transition-fast);
            white-space: nowrap;
            position: relative;
            font-family: var(--font-body);
        }

        .nav-link-item .nav-dot {
            width: 6px;
            height: 6px;
            border-radius: 50%;
            background: transparent;
            transition: all var(--transition-fast);
        }

        .nav-link-item:hover {
            color: var(--color-primary);
            background: rgba(230, 57, 70, 0.05);
        }

        .nav-link-item.active {
            color: var(--color-primary);
            background: rgba(230, 57, 70, 0.08);
            font-weight: 600;
        }

        .nav-link-item.active .nav-dot {
            background: var(--color-primary);
            box-shadow: 0 0 0 3px rgba(230, 57, 70, 0.2);
        }

        .mobile-toggler {
            display: none;
            background: none;
            border: 2px solid var(--color-border);
            border-radius: var(--radius-sm);
            padding: 8px 12px;
            font-size: 20px;
            color: var(--color-text);
            transition: all var(--transition-fast);
        }

        .mobile-toggler:hover {
            border-color: var(--color-primary);
            color: var(--color-primary);
            background: rgba(230, 57, 70, 0.04);
        }

        .mobile-menu-collapse {
            display: none;
            position: absolute;
            top: var(--header-height);
            left: 0;
            right: 0;
            background: #fff;
            border-bottom: 1px solid var(--color-border);
            box-shadow: var(--shadow-lg);
            flex-direction: column;
            padding: 12px 20px;
            gap: 6px;
            z-index: 1049;
        }

        .mobile-menu-collapse .nav-link-item {
            padding: 12px 16px;
            border-radius: var(--radius-md);
            font-size: 16px;
        }

        .mobile-menu-collapse.show {
            display: flex;
        }

        /* ========== HERO ========== */
        .hero-category {
            position: relative;
            background: linear-gradient(160deg, #1a1a2e 0%, #16213e 40%, #1d3557 100%);
            min-height: 520px;
            display: flex;
            align-items: center;
            overflow: hidden;
        }

        .hero-category .hero-bg-img {
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/backpic/back-1.png');
            background-size: cover;
            background-position: center;
            opacity: 0.22;
            z-index: 0;
        }

        .hero-category .hero-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(26, 26, 46, 0.7) 0%, rgba(29, 53, 87, 0.85) 60%, rgba(26, 26, 46, 0.95) 100%);
            z-index: 1;
        }

        .hero-category .hero-content {
            position: relative;
            z-index: 2;
            padding: 80px 0;
        }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(230, 57, 70, 0.2);
            border: 1px solid rgba(230, 57, 70, 0.4);
            color: #ff8a8a;
            padding: 8px 18px;
            border-radius: 50px;
            font-size: 14px;
            font-weight: 600;
            letter-spacing: 0.5px;
            margin-bottom: 20px;
            animation: fadeInUp 0.6s ease;
        }

        .hero-badge .badge-dot {
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: var(--color-primary-light);
            animation: pulse-dot 1.8s infinite;
        }

        @keyframes pulse-dot {
            0%,
            100% {
                box-shadow: 0 0 0 0 rgba(255, 107, 107, 0.6);
            }
            50% {
                box-shadow: 0 0 0 10px rgba(255, 107, 107, 0);
            }
        }

        @keyframes fadeInUp {
            from {
                opacity: 0;
                transform: translateY(24px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

        .hero-category .hero-title {
            color: #ffffff;
            font-size: 3rem;
            font-weight: 800;
            line-height: 1.18;
            letter-spacing: -0.5px;
            margin-bottom: 18px;
            animation: fadeInUp 0.6s ease 0.1s both;
        }

        .hero-category .hero-title .highlight {
            color: var(--color-primary-light);
            position: relative;
        }

        .hero-category .hero-subtitle {
            color: rgba(255, 255, 255, 0.78);
            font-size: 1.15rem;
            line-height: 1.7;
            max-width: 620px;
            margin-bottom: 32px;
            animation: fadeInUp 0.6s ease 0.2s both;
        }

        .hero-cta-group {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            animation: fadeInUp 0.6s ease 0.3s both;
        }

        .btn-hero-primary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 13px 30px;
            background: var(--color-primary);
            color: #fff;
            border: none;
            border-radius: 50px;
            font-weight: 600;
            font-size: 1rem;
            transition: all var(--transition-base);
            box-shadow: 0 6px 20px rgba(230, 57, 70, 0.35);
            letter-spacing: 0.3px;
        }

        .btn-hero-primary:hover {
            background: var(--color-primary-dark);
            transform: translateY(-2px);
            box-shadow: 0 10px 28px rgba(230, 57, 70, 0.45);
            color: #fff;
        }

        .btn-hero-outline {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 13px 30px;
            background: transparent;
            color: #fff;
            border: 2px solid rgba(255, 255, 255, 0.45);
            border-radius: 50px;
            font-weight: 600;
            font-size: 1rem;
            transition: all var(--transition-base);
            letter-spacing: 0.3px;
        }

        .btn-hero-outline:hover {
            border-color: #fff;
            background: rgba(255, 255, 255, 0.08);
            color: #fff;
            transform: translateY(-2px);
        }

        .hero-stats-row {
            display: flex;
            flex-wrap: wrap;
            gap: 32px;
            margin-top: 36px;
            animation: fadeInUp 0.6s ease 0.4s both;
        }

        .hero-stat-item {
            display: flex;
            align-items: baseline;
            gap: 6px;
        }

        .hero-stat-num {
            font-size: 2rem;
            font-weight: 800;
            color: #fff;
            font-family: var(--font-heading);
            line-height: 1;
        }

        .hero-stat-label {
            font-size: 0.9rem;
            color: rgba(255, 255, 255, 0.6);
            font-weight: 500;
        }

        /* ========== 版块通用 ========== */
        .section-block {
            padding: var(--section-gap) 0;
        }

        .section-label {
            display: inline-block;
            font-size: 0.85rem;
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 1.2px;
            color: var(--color-primary);
            margin-bottom: 10px;
            font-family: var(--font-heading);
        }

        .section-title {
            font-size: 2.2rem;
            font-weight: 800;
            color: var(--color-secondary);
            margin-bottom: 14px;
            letter-spacing: -0.3px;
            line-height: 1.25;
        }

        .section-desc {
            font-size: 1.08rem;
            color: var(--color-text-light);
            max-width: 640px;
            line-height: 1.7;
            margin-bottom: 36px;
        }

        .section-title.text-center,
        .section-desc.text-center {
            margin-left: auto;
            margin-right: auto;
        }

        /* ========== 赛事覆盖卡片 ========== */
        .sports-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }

        .sport-card {
            background: var(--color-bg-card);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-md);
            transition: all var(--transition-base);
            border: 1px solid var(--color-border-light);
            display: flex;
            flex-direction: column;
        }

        .sport-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-card-hover);
            border-color: rgba(230, 57, 70, 0.2);
        }

        .sport-card-img {
            width: 100%;
            height: 180px;
            object-fit: cover;
            transition: transform var(--transition-slow);
        }

        .sport-card:hover .sport-card-img {
            transform: scale(1.04);
        }

        .sport-card-body {
            padding: 20px 18px 22px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }

        .sport-card-tag {
            display: inline-block;
            font-size: 0.78rem;
            font-weight: 600;
            color: var(--color-primary);
            background: rgba(230, 57, 70, 0.07);
            padding: 3px 10px;
            border-radius: 50px;
            margin-bottom: 10px;
            align-self: flex-start;
        }

        .sport-card-title {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--color-secondary);
            margin-bottom: 8px;
            line-height: 1.35;
        }

        .sport-card-desc {
            font-size: 0.9rem;
            color: var(--color-text-light);
            line-height: 1.55;
            flex: 1;
        }

        .sport-card-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-weight: 600;
            font-size: 0.9rem;
            color: var(--color-primary);
            margin-top: 12px;
            transition: gap var(--transition-fast);
        }

        .sport-card-link:hover {
            gap: 10px;
            color: var(--color-primary-dark);
        }

        /* ========== 亮点数据区 ========== */
        .highlight-strip {
            background: var(--color-bg-dark);
            padding: 56px 0;
            position: relative;
            overflow: hidden;
        }

        .highlight-strip::before {
            content: '';
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/backpic/back-2.png');
            background-size: cover;
            background-position: center;
            opacity: 0.08;
        }

        .highlight-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
            position: relative;
            z-index: 1;
        }

        .highlight-card {
            text-align: center;
            padding: 28px 16px;
            border-radius: var(--radius-lg);
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid rgba(255, 255, 255, 0.08);
            transition: all var(--transition-base);
        }

        .highlight-card:hover {
            background: rgba(255, 255, 255, 0.08);
            border-color: rgba(255, 255, 255, 0.18);
            transform: translateY(-3px);
        }

        .highlight-icon {
            font-size: 2.2rem;
            color: var(--color-primary-light);
            margin-bottom: 14px;
        }

        .highlight-num {
            font-size: 2.6rem;
            font-weight: 800;
            color: #fff;
            font-family: var(--font-heading);
            line-height: 1;
            margin-bottom: 6px;
        }

        .highlight-label {
            font-size: 0.95rem;
            color: rgba(255, 255, 255, 0.65);
            font-weight: 500;
        }

        /* ========== 服务特色 ========== */
        .features-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .feature-card {
            background: var(--color-bg-card);
            border-radius: var(--radius-lg);
            padding: 30px 24px;
            box-shadow: var(--shadow-md);
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-base);
            display: flex;
            flex-direction: column;
            align-items: flex-start;
        }

        .feature-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-lg);
            border-color: rgba(230, 57, 70, 0.15);
        }

        .feature-icon-wrap {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 52px;
            height: 52px;
            border-radius: var(--radius-md);
            background: rgba(230, 57, 70, 0.08);
            color: var(--color-primary);
            font-size: 1.5rem;
            margin-bottom: 16px;
            transition: all var(--transition-base);
        }

        .feature-card:hover .feature-icon-wrap {
            background: var(--color-primary);
            color: #fff;
            box-shadow: 0 6px 18px rgba(230, 57, 70, 0.3);
        }

        .feature-card h3 {
            font-size: 1.15rem;
            font-weight: 700;
            margin-bottom: 8px;
            color: var(--color-secondary);
        }

        .feature-card p {
            font-size: 0.92rem;
            color: var(--color-text-light);
            line-height: 1.6;
            margin: 0;
        }

        /* ========== CMS 内容展示区 ========== */
        .news-mini-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }

        .news-mini-card {
            background: var(--color-bg-card);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-md);
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-base);
            display: flex;
            flex-direction: column;
        }

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

        .news-mini-img {
            width: 100%;
            height: 170px;
            object-fit: cover;
            transition: transform var(--transition-slow);
        }

        .news-mini-card:hover .news-mini-img {
            transform: scale(1.03);
        }

        .news-mini-body {
            padding: 16px 18px 20px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }

        .news-mini-meta {
            font-size: 0.78rem;
            color: var(--color-text-muted);
            margin-bottom: 6px;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .news-mini-title {
            font-size: 1rem;
            font-weight: 700;
            color: var(--color-secondary);
            line-height: 1.4;
            margin-bottom: 8px;
            flex: 1;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .news-mini-title a {
            color: inherit;
        }

        .news-mini-title a:hover {
            color: var(--color-primary);
        }

        .news-mini-excerpt {
            font-size: 0.85rem;
            color: var(--color-text-light);
            line-height: 1.5;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .news-mini-tag {
            display: inline-block;
            font-size: 0.72rem;
            font-weight: 600;
            padding: 3px 9px;
            border-radius: 50px;
            background: rgba(230, 57, 70, 0.07);
            color: var(--color-primary);
            margin-top: 10px;
            align-self: flex-start;
        }

        /* ========== FAQ ========== */
        .faq-section {
            background: var(--color-bg-alt);
        }

        .faq-list {
            max-width: 800px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .faq-item {
            background: #fff;
            border-radius: var(--radius-md);
            border: 1px solid var(--color-border-light);
            overflow: hidden;
            transition: all var(--transition-fast);
            box-shadow: var(--shadow-sm);
        }

        .faq-item:hover {
            border-color: var(--color-border);
            box-shadow: var(--shadow-md);
        }

        .faq-question {
            width: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 18px 22px;
            background: none;
            border: none;
            font-size: 1.02rem;
            font-weight: 600;
            color: var(--color-secondary);
            text-align: left;
            cursor: pointer;
            font-family: var(--font-heading);
            transition: color var(--transition-fast);
            gap: 12px;
        }

        .faq-question:hover {
            color: var(--color-primary);
        }

        .faq-arrow {
            flex-shrink: 0;
            font-size: 0.85rem;
            color: var(--color-text-muted);
            transition: transform var(--transition-base);
        }

        .faq-item.open .faq-arrow {
            transform: rotate(180deg);
            color: var(--color-primary);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-slow), padding var(--transition-base);
        }

        .faq-item.open .faq-answer {
            max-height: 300px;
        }

        .faq-answer-inner {
            padding: 0 22px 20px;
            color: var(--color-text-light);
            line-height: 1.7;
            font-size: 0.95rem;
        }

        /* ========== CTA ========== */
        .cta-section {
            background: linear-gradient(150deg, #1d3557 0%, #16213e 40%, #1a1a2e 100%);
            padding: 70px 0;
            text-align: center;
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/backpic/back-3.png');
            background-size: cover;
            background-position: center;
            opacity: 0.12;
        }

        .cta-inner {
            position: relative;
            z-index: 1;
        }

        .cta-section h2 {
            color: #fff;
            font-size: 2rem;
            font-weight: 800;
            margin-bottom: 12px;
            letter-spacing: -0.3px;
        }

        .cta-section p {
            color: rgba(255, 255, 255, 0.7);
            font-size: 1.05rem;
            margin-bottom: 28px;
            max-width: 540px;
            margin-left: auto;
            margin-right: auto;
            line-height: 1.6;
        }

        .btn-cta-lg {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            padding: 14px 36px;
            background: var(--color-primary);
            color: #fff;
            border: none;
            border-radius: 50px;
            font-weight: 700;
            font-size: 1.05rem;
            transition: all var(--transition-base);
            box-shadow: 0 8px 26px rgba(230, 57, 70, 0.4);
            letter-spacing: 0.3px;
        }

        .btn-cta-lg:hover {
            background: var(--color-primary-dark);
            transform: translateY(-3px);
            box-shadow: 0 14px 34px rgba(230, 57, 70, 0.5);
            color: #fff;
        }

        /* ========== FOOTER ========== */
        .site-footer {
            background: #111827;
            color: rgba(255, 255, 255, 0.7);
            padding: 56px 0 28px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1fr;
            gap: 32px;
            margin-bottom: 32px;
        }

        .footer-brand p {
            font-size: 0.9rem;
            line-height: 1.7;
            margin-top: 12px;
            color: rgba(255, 255, 255, 0.55);
        }

        .logo-brand-footer {
            display: flex;
            align-items: center;
            gap: 10px;
            text-decoration: none;
            color: #fff;
        }

        .logo-brand-footer:hover {
            color: #fff;
            opacity: 0.85;
        }

        .logo-icon-footer {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 38px;
            height: 38px;
            border-radius: var(--radius-md);
            background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
            color: #fff;
            font-weight: 800;
            font-size: 18px;
            font-family: var(--font-heading);
        }

        .logo-text-footer {
            font-family: var(--font-heading);
            font-weight: 700;
            font-size: 17px;
            color: #fff;
        }

        .footer-col h4 {
            color: #fff;
            font-size: 0.95rem;
            font-weight: 700;
            margin-bottom: 14px;
            letter-spacing: 0.3px;
        }

        .footer-col ul {
            display: flex;
            flex-direction: column;
            gap: 8px;
        }

        .footer-col ul li a {
            color: rgba(255, 255, 255, 0.55);
            font-size: 0.9rem;
            transition: all var(--transition-fast);
            padding: 2px 0;
            display: inline-block;
        }

        .footer-col ul li a:hover {
            color: var(--color-primary-light);
            transform: translateX(3px);
        }

        .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, 0.4);
        }

        /* ========== 响应式 ========== */
        @media (max-width: 1024px) {
            .sports-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .features-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .news-mini-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .highlight-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
            .hero-category .hero-title {
                font-size: 2.4rem;
            }
            .section-title {
                font-size: 1.8rem;
            }
            .nav-search-wrap {
                max-width: 260px;
            }
            .nav-links-desktop {
                gap: 2px;
            }
            .nav-link-item {
                padding: 8px 11px;
                font-size: 13px;
            }
        }

        @media (max-width: 768px) {
            .nav-links-desktop {
                display: none;
            }
            .mobile-toggler {
                display: flex;
                align-items: center;
                justify-content: center;
            }
            .nav-search-wrap {
                max-width: 100%;
                flex: 1;
            }
            .header-inner {
                gap: 12px;
            }
            .logo-text {
                font-size: 15px;
            }
            .logo-icon {
                width: 36px;
                height: 36px;
                font-size: 17px;
            }
            .hero-category {
                min-height: 420px;
            }
            .hero-category .hero-title {
                font-size: 1.9rem;
            }
            .hero-category .hero-subtitle {
                font-size: 1rem;
            }
            .hero-stats-row {
                gap: 18px;
            }
            .hero-stat-num {
                font-size: 1.5rem;
            }
            .sports-grid {
                grid-template-columns: 1fr 1fr;
                gap: 14px;
            }
            .features-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .news-mini-grid {
                grid-template-columns: 1fr 1fr;
                gap: 14px;
            }
            .highlight-grid {
                grid-template-columns: 1fr 1fr;
                gap: 14px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .section-block {
                padding: var(--section-gap-mobile) 0;
            }
            .section-title {
                font-size: 1.55rem;
            }
            .cta-section h2 {
                font-size: 1.55rem;
            }
            .hero-category .hero-content {
                padding: 56px 0;
            }
        }

        @media (max-width: 520px) {
            .sports-grid {
                grid-template-columns: 1fr;
            }
            .news-mini-grid {
                grid-template-columns: 1fr;
            }
            .highlight-grid {
                grid-template-columns: 1fr 1fr;
                gap: 10px;
            }
            .hero-category .hero-title {
                font-size: 1.55rem;
            }
            .hero-category .hero-subtitle {
                font-size: 0.9rem;
            }
            .hero-cta-group {
                flex-direction: column;
                width: 100%;
            }
            .btn-hero-primary,
            .btn-hero-outline {
                width: 100%;
                justify-content: center;
                text-align: center;
            }
            .hero-stats-row {
                gap: 14px;
                flex-wrap: wrap;
            }
            .hero-stat-num {
                font-size: 1.3rem;
            }
            .hero-stat-label {
                font-size: 0.78rem;
            }
            .btn-hero-primary,
            .btn-hero-outline {
                padding: 12px 22px;
                font-size: 0.9rem;
            }
            .section-title {
                font-size: 1.35rem;
            }
            .sport-card-img {
                height: 150px;
            }
            .highlight-num {
                font-size: 1.8rem;
            }
            .faq-question {
                font-size: 0.92rem;
                padding: 14px 16px;
            }
            .faq-answer-inner {
                padding: 0 16px 16px;
                font-size: 0.88rem;
            }
        }

/* roulang page: category2 */
:root {
            --color-primary: #1B3A5C;
            --color-primary-dark: #0F2440;
            --color-primary-light: #234B73;
            --color-accent: #E8A817;
            --color-accent-hover: #C88E14;
            --color-accent-light: #F5D78A;
            --color-bg: #F5F6F8;
            --color-bg-alt: #EDF0F4;
            --color-surface: #FFFFFF;
            --color-text: #1A1D23;
            --color-text-secondary: #4A4F58;
            --color-text-muted: #6B7280;
            --color-border: #E0E3E8;
            --color-border-light: #EEF0F3;
            --color-success: #10B981;
            --color-danger: #EF4444;
            --color-info: #3B82F6;
            --radius-xs: 6px;
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --radius-full: 50px;
            --shadow-xs: 0 1px 2px rgba(0,0,0,0.04);
            --shadow-sm: 0 1px 3px rgba(0,0,0,0.06);
            --shadow-md: 0 4px 16px rgba(0,0,0,0.08);
            --shadow-lg: 0 8px 32px rgba(0,0,0,0.10);
            --shadow-xl: 0 16px 48px rgba(0,0,0,0.12);
            --shadow-card: 0 2px 12px rgba(0,0,0,0.06);
            --shadow-card-hover: 0 8px 28px rgba(0,0,0,0.12);
            --transition-fast: 0.15s ease;
            --transition-normal: 0.25s ease;
            --transition-slow: 0.35s ease;
            --font-heading: 'PingFang SC','Microsoft YaHei','Hiragino Sans GB',sans-serif;
            --font-body: 'PingFang SC','Microsoft YaHei','Hiragino Sans GB',sans-serif;
            --header-height: 68px;
        }

        *,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
        html{scroll-behavior:smooth;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}
        body{font-family:var(--font-body);font-size:16px;line-height:1.7;color:var(--color-text);background-color:var(--color-bg);overflow-x:hidden;min-height:100vh}
        a{text-decoration:none;color:inherit;transition:color var(--transition-fast)}
        img{max-width:100%;height:auto;display:block}
        ul,ol{list-style:none;padding:0;margin:0}
        button,input,select,textarea{font-family:inherit;font-size:inherit}
        button{cursor:pointer;border:none;background:none}
        :focus-visible{outline:2px solid var(--color-accent);outline-offset:2px}

        .container-custom{max-width:1200px;margin:0 auto;padding:0 20px;width:100%}
        @media(min-width:1400px){.container-custom{max-width:1280px}}

        /* ========== HEADER / NAV ========== */
        .site-header{position:sticky;top:0;z-index:1050;background:var(--color-surface);border-bottom:1px solid var(--color-border-light);box-shadow:var(--shadow-xs);height:var(--header-height);display:flex;align-items:center}
        .header-inner{display:flex;align-items:center;justify-content:space-between;gap:16px;width:100%}
        .logo-brand{display:flex;align-items:center;gap:10px;flex-shrink:0;text-decoration:none;color:var(--color-primary);transition:opacity var(--transition-fast)}
        .logo-brand:hover{opacity:0.85;color:var(--color-primary)}
        .logo-icon{width:40px;height:40px;border-radius:var(--radius-sm);background:linear-gradient(135deg,var(--color-primary) 0%,var(--color-primary-light) 100%);color:#fff;display:flex;align-items:center;justify-content:center;font-weight:800;font-size:18px;letter-spacing:-0.5px;flex-shrink:0}
        .logo-text{font-family:var(--font-heading);font-weight:700;font-size:18px;letter-spacing:-0.3px;white-space:nowrap;color:var(--color-primary)}
        .nav-search-wrap{display:flex;align-items:center;flex:1;max-width:420px;position:relative;margin:0 16px}
        .search-input{width:100%;padding:10px 44px 10px 16px;border:2px solid var(--color-border);border-radius:var(--radius-full);font-size:14px;color:var(--color-text);background:var(--color-bg);transition:all var(--transition-normal);outline:none}
        .search-input:focus{border-color:var(--color-accent);background:var(--color-surface);box-shadow:0 0 0 4px rgba(232,168,23,0.1)}
        .search-input::placeholder{color:var(--color-text-muted)}
        .search-btn{position:absolute;right:6px;top:50%;transform:translateY(-50%);width:34px;height:34px;border-radius:50%;background:var(--color-accent);color:#fff;display:flex;align-items:center;justify-content:center;transition:all var(--transition-fast);font-size:14px;border:none;cursor:pointer}
        .search-btn:hover{background:var(--color-accent-hover);transform:translateY(-50%) scale(1.05)}
        .nav-links-desktop{display:flex;align-items:center;gap:6px;flex-shrink:0}
        .nav-link-item{display:inline-flex;align-items:center;gap:6px;padding:8px 16px;border-radius:var(--radius-full);font-size:14px;font-weight:500;color:var(--color-text-secondary);transition:all var(--transition-fast);white-space:nowrap;text-decoration:none;position:relative}
        .nav-link-item:hover{color:var(--color-primary);background:rgba(27,58,92,0.04)}
        .nav-link-item.active{color:var(--color-primary);background:rgba(27,58,92,0.07);font-weight:600}
        .nav-link-item .nav-dot{width:6px;height:6px;border-radius:50%;background:var(--color-accent);display:none}
        .nav-link-item.active .nav-dot{display:inline-block}
        .mobile-toggler{display:none;font-size:22px;color:var(--color-text);padding:8px;border-radius:var(--radius-sm);transition:all var(--transition-fast);border:none;background:none;cursor:pointer}
        .mobile-toggler:hover{background:var(--color-bg)}
        .mobile-menu-collapse{display:none;position:absolute;top:var(--header-height);left:0;right:0;background:var(--color-surface);border-bottom:1px solid var(--color-border);padding:12px 20px;flex-direction:column;gap:6px;box-shadow:var(--shadow-md);z-index:1049}
        .mobile-menu-collapse.show{display:flex}
        .mobile-menu-collapse .nav-link-item{display:block;padding:12px 16px;border-radius:var(--radius-sm);font-size:15px}

        @media(max-width:991px){
            .nav-links-desktop{display:none}
            .mobile-toggler{display:flex;align-items:center;justify-content:center}
            .nav-search-wrap{max-width:300px;margin:0 8px}
            .logo-text{font-size:16px}
            .logo-icon{width:36px;height:36px;font-size:16px}
        }
        @media(max-width:640px){
            .nav-search-wrap{max-width:180px}
            .logo-text{display:none}
            .logo-icon{width:36px;height:36px;font-size:16px}
            .search-input{font-size:13px;padding:8px 38px 8px 12px}
            .search-btn{width:30px;height:30px;right:4px;font-size:12px}
            .site-header{--header-height:58px}
        }

        /* ========== SECTION COMMONS ========== */
        .section{padding:64px 0}
        .section-sm{padding:48px 0}
        .section-lg{padding:80px 0}
        .section-title{font-family:var(--font-heading);font-weight:700;font-size:30px;color:var(--color-text);margin-bottom:12px;letter-spacing:-0.3px}
        .section-subtitle{font-size:16px;color:var(--color-text-muted);margin-bottom:40px;max-width:680px;line-height:1.8}
        .section-label{display:inline-block;font-size:13px;font-weight:600;color:var(--color-accent);background:rgba(232,168,23,0.1);padding:5px 14px;border-radius:var(--radius-full);margin-bottom:12px;letter-spacing:0.5px;text-transform:uppercase}
        .text-center-mobile{text-align:center}
        @media(min-width:768px){.text-center-mobile{text-align:left}}
        @media(max-width:767px){
            .section{padding:44px 0}
            .section-lg{padding:56px 0}
            .section-title{font-size:24px}
            .section-subtitle{font-size:15px;margin-bottom:28px}
        }

        /* ========== HERO ========== */
        .hero-category{position:relative;padding:80px 0;background:linear-gradient(170deg,var(--color-primary-dark) 0%,var(--color-primary) 40%,var(--color-primary-light) 100%);overflow:hidden;color:#fff}
        .hero-category::before{content:'';position:absolute;inset:0;background-image:url('/assets/images/backpic/back-2.png');background-size:cover;background-position:center;opacity:0.18;z-index:0}
        .hero-category::after{content:'';position:absolute;bottom:-60px;right:-80px;width:350px;height:350px;border-radius:50%;background:rgba(232,168,23,0.12);z-index:0;filter:blur(60px)}
        .hero-category .container-custom{position:relative;z-index:1}
        .hero-cat-badge{display:inline-block;font-size:13px;font-weight:600;background:rgba(255,255,255,0.18);backdrop-filter:blur(8px);color:#fff;padding:6px 18px;border-radius:var(--radius-full);margin-bottom:16px;letter-spacing:1px;border:1px solid rgba(255,255,255,0.25)}
        .hero-cat-title{font-family:var(--font-heading);font-weight:800;font-size:42px;line-height:1.2;margin-bottom:16px;letter-spacing:-0.5px}
        .hero-cat-desc{font-size:17px;line-height:1.8;opacity:0.9;max-width:620px;margin-bottom:28px}
        .hero-cat-stats{display:flex;gap:28px;flex-wrap:wrap}
        .hero-cat-stat{text-align:center;background:rgba(255,255,255,0.1);backdrop-filter:blur(6px);border-radius:var(--radius-md);padding:16px 24px;border:1px solid rgba(255,255,255,0.15)}
        .hero-cat-stat-num{font-size:32px;font-weight:800;color:var(--color-accent);line-height:1.1}
        .hero-cat-stat-label{font-size:13px;opacity:0.85;margin-top:4px}
        @media(max-width:767px){
            .hero-category{padding:52px 0}
            .hero-cat-title{font-size:28px}
            .hero-cat-desc{font-size:15px}
            .hero-cat-stats{gap:14px}
            .hero-cat-stat{padding:12px 16px}
            .hero-cat-stat-num{font-size:24px}
        }

        /* ========== CARDS ========== */
        .card-custom{background:var(--color-surface);border-radius:var(--radius-lg);border:1px solid var(--color-border-light);overflow:hidden;transition:all var(--transition-normal);box-shadow:var(--shadow-card);height:100%;display:flex;flex-direction:column}
        .card-custom:hover{box-shadow:var(--shadow-card-hover);transform:translateY(-3px);border-color:var(--color-border)}
        .card-custom-img{width:100%;height:200px;object-fit:cover;display:block}
        .card-custom-body{padding:20px 22px;flex:1;display:flex;flex-direction:column}
        .card-custom-tag{display:inline-block;font-size:11px;font-weight:600;padding:3px 10px;border-radius:var(--radius-full);margin-bottom:10px;align-self:flex-start;letter-spacing:0.5px}
        .card-custom-tag.accent{background:rgba(232,168,23,0.12);color:#b8860b}
        .card-custom-tag.primary{background:rgba(27,58,92,0.08);color:var(--color-primary)}
        .card-custom-tag.info{background:rgba(59,130,246,0.08);color:#2563eb}
        .card-custom-title{font-family:var(--font-heading);font-weight:700;font-size:17px;line-height:1.4;margin-bottom:8px;color:var(--color-text)}
        .card-custom-text{font-size:14px;color:var(--color-text-muted);line-height:1.7;margin-bottom:14px;flex:1}
        .card-custom-link{font-weight:600;font-size:14px;color:var(--color-accent);display:inline-flex;align-items:center;gap:4px;transition:gap var(--transition-fast)}
        .card-custom-link:hover{color:var(--color-accent-hover);gap:8px}

        /* ========== FEATURE ROW ========== */
        .feature-row{display:flex;align-items:center;gap:48px;flex-wrap:wrap}
        .feature-row.reverse{flex-direction:row-reverse}
        .feature-row .feature-text{flex:1;min-width:280px}
        .feature-row .feature-visual{flex:1;min-width:280px}
        .feature-visual-img{border-radius:var(--radius-lg);width:100%;box-shadow:var(--shadow-md);object-fit:cover;max-height:400px}
        .feature-list{list-style:none;padding:0;margin:16px 0 0}
        .feature-list li{padding:8px 0 8px 28px;position:relative;font-size:15px;color:var(--color-text-secondary);line-height:1.6}
        .feature-list li::before{content:'\f00c';font-family:'Font Awesome 6 Free';font-weight:900;position:absolute;left:0;top:8px;color:var(--color-success);font-size:13px}
        @media(max-width:767px){
            .feature-row{gap:28px}
            .feature-row.reverse{flex-direction:column}
        }

        /* ========== PROCESS TIMELINE ========== */
        .process-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
        .process-card{background:var(--color-surface);border-radius:var(--radius-lg);padding:28px 20px;text-align:center;border:1px solid var(--color-border-light);position:relative;transition:all var(--transition-normal);box-shadow:var(--shadow-xs)}
        .process-card:hover{box-shadow:var(--shadow-md);transform:translateY(-2px)}
        .process-step-num{width:48px;height:48px;border-radius:50%;background:linear-gradient(135deg,var(--color-primary) 0%,var(--color-primary-light) 100%);color:#fff;display:inline-flex;align-items:center;justify-content:center;font-weight:800;font-size:20px;margin-bottom:14px}
        .process-card h4{font-family:var(--font-heading);font-weight:700;font-size:16px;margin-bottom:6px;color:var(--color-text)}
        .process-card p{font-size:13px;color:var(--color-text-muted);line-height:1.6;margin:0}
        @media(max-width:991px){.process-grid{grid-template-columns:repeat(2,1fr)}}
        @media(max-width:520px){.process-grid{grid-template-columns:1fr}}

        /* ========== DATA HIGHLIGHT ========== */
        .data-highlight-section{background:var(--color-primary-dark);color:#fff;position:relative;overflow:hidden}
        .data-highlight-section::before{content:'';position:absolute;inset:0;background-image:url('/assets/images/backpic/back-3.png');background-size:cover;background-position:center;opacity:0.08;z-index:0}
        .data-highlight-section .container-custom{position:relative;z-index:1}
        .data-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
        .data-card{background:rgba(255,255,255,0.06);backdrop-filter:blur(6px);border-radius:var(--radius-lg);padding:28px 20px;text-align:center;border:1px solid rgba(255,255,255,0.12);transition:all var(--transition-normal)}
        .data-card:hover{background:rgba(255,255,255,0.1);transform:translateY(-3px)}
        .data-card-icon{font-size:32px;color:var(--color-accent);margin-bottom:10px}
        .data-card-num{font-size:36px;font-weight:800;color:var(--color-accent);line-height:1.1}
        .data-card-label{font-size:14px;opacity:0.8;margin-top:4px}
        @media(max-width:767px){.data-grid{grid-template-columns:repeat(2,1fr);gap:14px}.data-card{padding:20px 14px}.data-card-num{font-size:26px}}

        /* ========== FAQ ACCORDION ========== */
        .faq-section{background:var(--color-bg-alt)}
        .faq-accordion .accordion-item{border:1px solid var(--color-border-light);border-radius:var(--radius-md)!important;margin-bottom:12px;overflow:hidden;background:var(--color-surface);box-shadow:var(--shadow-xs)}
        .faq-accordion .accordion-button{font-weight:600;font-size:16px;color:var(--color-text);padding:18px 22px;background:var(--color-surface);box-shadow:none!important;transition:all var(--transition-fast)}
        .faq-accordion .accordion-button:not(.collapsed){color:var(--color-primary);background:rgba(27,58,92,0.03);box-shadow:none!important}
        .faq-accordion .accordion-button:focus{box-shadow:none!important;border-color:var(--color-accent)}
        .faq-accordion .accordion-body{font-size:15px;color:var(--color-text-secondary);line-height:1.8;padding:4px 22px 20px}
        .faq-accordion .accordion-button::after{background-size:16px;transition:transform var(--transition-normal)}

        /* ========== CTA ========== */
        .cta-section{background:linear-gradient(160deg,var(--color-primary) 0%,var(--color-primary-light) 100%);color:#fff;text-align:center;position:relative;overflow:hidden}
        .cta-section::before{content:'';position:absolute;top:-40px;left:-60px;width:200px;height:200px;border-radius:50%;background:rgba(232,168,23,0.15);filter:blur(50px);z-index:0}
        .cta-section .container-custom{position:relative;z-index:1}
        .cta-title{font-family:var(--font-heading);font-weight:800;font-size:32px;margin-bottom:12px;letter-spacing:-0.3px}
        .cta-desc{font-size:16px;opacity:0.9;margin-bottom:28px;max-width:560px;margin-left:auto;margin-right:auto;line-height:1.8}
        .btn-cta{display:inline-block;padding:14px 36px;font-weight:700;font-size:16px;border-radius:var(--radius-full);background:var(--color-accent);color:#fff;border:none;transition:all var(--transition-normal);text-decoration:none;letter-spacing:0.3px;box-shadow:0 4px 18px rgba(232,168,23,0.35)}
        .btn-cta:hover{background:var(--color-accent-hover);transform:translateY(-2px);box-shadow:0 8px 28px rgba(232,168,23,0.45);color:#fff}
        .btn-outline-light-custom{display:inline-block;padding:14px 36px;font-weight:600;font-size:16px;border-radius:var(--radius-full);background:transparent;color:#fff;border:2px solid rgba(255,255,255,0.5);transition:all var(--transition-normal);text-decoration:none;letter-spacing:0.3px;margin-left:12px}
        .btn-outline-light-custom:hover{background:rgba(255,255,255,0.1);border-color:#fff;color:#fff}
        @media(max-width:520px){.cta-title{font-size:24px}.btn-cta,.btn-outline-light-custom{display:block;width:100%;margin:8px 0}.btn-outline-light-custom{margin-left:0}}

        /* ========== FOOTER ========== */
        .site-footer{background:var(--color-primary-dark);color:rgba(255,255,255,0.8);padding:56px 0 28px;font-size:14px;line-height:1.8}
        .footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:36px;margin-bottom:36px}
        .footer-brand .logo-brand-footer{display:inline-flex;align-items:center;gap:10px;margin-bottom:14px;text-decoration:none;color:#fff}
        .logo-icon-footer{width:36px;height:36px;border-radius:var(--radius-sm);background:linear-gradient(135deg,var(--color-accent) 0%,var(--color-accent-hover) 100%);color:#fff;display:flex;align-items:center;justify-content:center;font-weight:800;font-size:16px;flex-shrink:0}
        .logo-text-footer{font-family:var(--font-heading);font-weight:700;font-size:17px;color:#fff}
        .footer-brand p{color:rgba(255,255,255,0.65);font-size:13px;line-height:1.8;margin:0}
        .footer-col h4{color:#fff;font-weight:700;font-size:15px;margin-bottom:14px;letter-spacing:0.2px}
        .footer-col ul li{margin-bottom:8px}
        .footer-col ul li a{color:rgba(255,255,255,0.65);transition:color var(--transition-fast);font-size:13px}
        .footer-col ul li a:hover{color:var(--color-accent)}
        .footer-bottom{border-top:1px solid rgba(255,255,255,0.12);padding-top:20px;text-align:center;font-size:12px;color:rgba(255,255,255,0.5)}
        @media(max-width:991px){.footer-grid{grid-template-columns:1fr 1fr;gap:28px}}
        @media(max-width:640px){.footer-grid{grid-template-columns:1fr;gap:24px}.footer-brand p{font-size:12px}}

        /* ========== MISC ========== */
        .text-accent{color:var(--color-accent)}
        .fw-800{font-weight:800}
        .gap-row{margin-top:48px}
        @media(max-width:767px){.gap-row{margin-top:32px}}
        .img-rounded{aspect-ratio:16/10;object-fit:cover;border-radius:var(--radius-lg)}

/* roulang page: category3 */
/* ========== 设计变量 ========== */
        :root {
            --primary: #1a6b3c;
            --primary-dark: #0f4d2a;
            --primary-light: #e8f5ed;
            --primary-glow: rgba(26,107,60,0.15);
            --accent: #e8a817;
            --accent-dark: #c48f0f;
            --accent-light: #fef9ed;
            --text: #1a1a2e;
            --text-secondary: #4a4a5e;
            --text-muted: #7a7a8e;
            --bg: #f9fafb;
            --bg-white: #ffffff;
            --bg-card: #ffffff;
            --bg-dark: #0d1b14;
            --border: #e2e8f0;
            --border-light: #f0f3f5;
            --shadow-sm: 0 1px 3px rgba(0,0,0,0.06);
            --shadow-md: 0 4px 16px rgba(0,0,0,0.08);
            --shadow-lg: 0 8px 32px rgba(0,0,0,0.12);
            --shadow-xl: 0 16px 48px rgba(0,0,0,0.16);
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 18px;
            --radius-xl: 24px;
            --radius-full: 50px;
            --font-heading: 'Segoe UI','PingFang SC','Microsoft YaHei','Noto Sans SC',sans-serif;
            --font-body: 'Segoe UI','PingFang SC','Microsoft YaHei','Noto Sans SC',sans-serif;
            --transition: 0.25s cubic-bezier(0.4,0,0.2,1);
            --transition-slow: 0.4s cubic-bezier(0.4,0,0.2,1);
            --max-width: 1240px;
            --header-height: 72px;
        }

        /* ========== 基础Reset ========== */
        *,*::before,*::after{box-sizing:border-box;margin:0;padding:0;}
        html{scroll-behavior:smooth;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;}
        body{
            font-family:var(--font-body);
            font-size:16px;
            line-height:1.7;
            color:var(--text);
            background:var(--bg);
            overflow-x:hidden;
            min-height:100vh;
        }
        a{text-decoration:none;color:inherit;transition:var(--transition);}
        a:hover{color:var(--primary);}
        img{max-width:100%;height:auto;display:block;}
        ul,ol{list-style:none;padding:0;margin:0;}
        button{cursor:pointer;border:none;background:none;font-family:inherit;}
        input{font-family:inherit;}

        /* ========== 容器 ========== */
        .container-custom{
            width:100%;
            max-width:var(--max-width);
            margin:0 auto;
            padding:0 24px;
        }
        @media(max-width:768px){
            .container-custom{padding:0 16px;}
        }

        /* ========== Header / 导航 ========== */
        .site-header{
            position:sticky;
            top:0;
            z-index:1000;
            background:var(--bg-white);
            border-bottom:1px solid var(--border);
            box-shadow:var(--shadow-sm);
            height:var(--header-height);
            display:flex;
            align-items:center;
        }
        .header-inner{
            display:flex;
            align-items:center;
            justify-content:space-between;
            gap:20px;
            width:100%;
            max-width:var(--max-width);
            margin:0 auto;
            padding:0 24px;
        }
        .logo-brand{
            display:flex;
            align-items:center;
            gap:10px;
            font-weight:700;
            font-size:1.35rem;
            color:var(--primary);
            white-space:nowrap;
            flex-shrink:0;
            transition:var(--transition);
        }
        .logo-brand:hover{color:var(--primary-dark);transform:translateY(-1px);}
        .logo-icon{
            display:flex;
            align-items:center;
            justify-content:center;
            width:40px;
            height:40px;
            background:var(--primary);
            color:#fff;
            font-weight:800;
            font-size:1.2rem;
            border-radius:var(--radius-sm);
            flex-shrink:0;
        }
        .logo-text{letter-spacing:-0.3px;}
        .nav-search-wrap{
            display:flex;
            align-items:center;
            flex:1;
            max-width:380px;
            min-width:180px;
            position:relative;
            background:var(--bg);
            border-radius:var(--radius-full);
            border:1.5px solid var(--border);
            overflow:hidden;
            transition:var(--transition);
        }
        .nav-search-wrap:focus-within{
            border-color:var(--primary);
            box-shadow:0 0 0 4px var(--primary-glow);
        }
        .search-input{
            flex:1;
            border:none;
            background:transparent;
            padding:10px 16px;
            font-size:0.95rem;
            color:var(--text);
            outline:none;
            min-width:0;
        }
        .search-input::placeholder{color:var(--text-muted);}
        .search-btn{
            padding:10px 16px;
            color:var(--text-muted);
            transition:var(--transition);
            display:flex;
            align-items:center;
            justify-content:center;
        }
        .search-btn:hover{color:var(--primary);}
        .nav-links-desktop{
            display:flex;
            align-items:center;
            gap:4px;
            flex-shrink:0;
        }
        .nav-link-item{
            display:flex;
            align-items:center;
            gap:6px;
            padding:8px 15px;
            border-radius:var(--radius-full);
            font-size:0.9rem;
            font-weight:500;
            color:var(--text-secondary);
            transition:var(--transition);
            white-space:nowrap;
            position:relative;
        }
        .nav-link-item:hover{
            color:var(--primary);
            background:var(--primary-light);
        }
        .nav-link-item.active{
            color:var(--primary);
            background:var(--primary-light);
            font-weight:600;
        }
        .nav-dot{
            width:6px;
            height:6px;
            border-radius:50%;
            background:var(--accent);
            display:none;
        }
        .nav-link-item.active .nav-dot{display:inline-block;}
        .mobile-toggler{
            display:none;
            font-size:1.4rem;
            color:var(--text);
            padding:8px;
            border-radius:var(--radius-sm);
            transition:var(--transition);
        }
        .mobile-toggler:hover{background:var(--bg);color:var(--primary);}
        .mobile-menu-collapse{
            display:none;
            position:absolute;
            top:var(--header-height);
            left:0;
            right:0;
            background:var(--bg-white);
            border-bottom:1px solid var(--border);
            box-shadow:var(--shadow-lg);
            padding:12px 20px;
            flex-direction:column;
            gap:4px;
            z-index:999;
        }
        .mobile-menu-collapse.show{display:flex;}
        .mobile-menu-collapse .nav-link-item{
            padding:12px 16px;
            border-radius:var(--radius-md);
            font-size:1rem;
        }
        @media(max-width:1024px){
            .nav-links-desktop{gap:0;}
            .nav-link-item{padding:8px 10px;font-size:0.85rem;}
            .nav-search-wrap{max-width:260px;}
        }
        @media(max-width:768px){
            .nav-links-desktop{display:none;}
            .nav-search-wrap{max-width:100%;flex:1;}
            .mobile-toggler{display:flex;}
            .header-inner{gap:12px;padding:0 16px;}
            .logo-text{font-size:1.1rem;}
            .logo-icon{width:34px;height:34px;font-size:1rem;}
        }

        /* ========== 板块通用样式 ========== */
        .section{padding:64px 0;}
        .section-sm{padding:40px 0;}
        .section-label{
            display:inline-flex;
            align-items:center;
            gap:8px;
            font-size:0.85rem;
            font-weight:600;
            color:var(--primary);
            text-transform:uppercase;
            letter-spacing:1.5px;
            margin-bottom:12px;
        }
        .section-label::before{
            content:'';
            width:24px;
            height:2px;
            background:var(--accent);
            border-radius:2px;
        }
        .section-title{
            font-family:var(--font-heading);
            font-size:2.2rem;
            font-weight:700;
            color:var(--text);
            margin-bottom:16px;
            letter-spacing:-0.5px;
            line-height:1.3;
        }
        .section-subtitle{
            font-size:1.05rem;
            color:var(--text-muted);
            max-width:640px;
            line-height:1.7;
        }
        @media(max-width:768px){
            .section{padding:40px 0;}
            .section-title{font-size:1.6rem;}
            .section-subtitle{font-size:0.95rem;}
        }

        /* ========== Hero ========== */
        .hero-wiki{
            position:relative;
            padding:80px 0 70px;
            background:linear-gradient(170deg,#0d1b14 0%,#132a1e 35%,#1a3d2a 70%,#0f2b1b 100%);
            overflow:hidden;
            color:#fff;
        }
        .hero-wiki::before{
            content:'';
            position:absolute;
            top:-30%;
            right:-15%;
            width:55%;
            height:160%;
            background:url('/assets/images/backpic/back-3.png') center/cover no-repeat;
            opacity:0.18;
            border-radius:50%;
            filter:blur(1px);
        }
        .hero-wiki::after{
            content:'';
            position:absolute;
            bottom:0;
            left:0;
            right:0;
            height:50px;
            background:linear-gradient(to top,var(--bg),transparent);
        }
        .hero-wiki-inner{
            position:relative;
            z-index:2;
            display:flex;
            align-items:center;
            gap:40px;
            max-width:var(--max-width);
            margin:0 auto;
            padding:0 24px;
        }
        .hero-wiki-content{flex:1;}
        .hero-wiki-badge{
            display:inline-flex;
            align-items:center;
            gap:6px;
            background:rgba(255,255,255,0.12);
            backdrop-filter:blur(6px);
            border:1px solid rgba(255,255,255,0.2);
            padding:8px 16px;
            border-radius:var(--radius-full);
            font-size:0.85rem;
            font-weight:500;
            color:#d4f5e0;
            margin-bottom:20px;
        }
        .hero-wiki-badge i{color:var(--accent);font-size:0.75rem;}
        .hero-wiki h1{
            font-family:var(--font-heading);
            font-size:2.8rem;
            font-weight:800;
            letter-spacing:-1px;
            line-height:1.2;
            margin-bottom:18px;
            color:#fff;
        }
        .hero-wiki h1 span{color:var(--accent);}
        .hero-wiki-desc{
            font-size:1.1rem;
            color:rgba(255,255,255,0.8);
            max-width:560px;
            line-height:1.7;
            margin-bottom:28px;
        }
        .hero-wiki-stats{
            display:flex;
            gap:28px;
            flex-wrap:wrap;
            margin-bottom:28px;
        }
        .hero-stat-item{
            text-align:center;
            padding:14px 20px;
            background:rgba(255,255,255,0.08);
            border-radius:var(--radius-md);
            border:1px solid rgba(255,255,255,0.1);
            min-width:90px;
        }
        .hero-stat-num{
            font-size:1.8rem;
            font-weight:700;
            color:var(--accent);
            line-height:1;
            margin-bottom:4px;
        }
        .hero-stat-label{font-size:0.8rem;color:rgba(255,255,255,0.7);}
        .hero-wiki-btns{display:flex;gap:12px;flex-wrap:wrap;}
        .btn-hero-primary{
            display:inline-flex;
            align-items:center;
            gap:8px;
            padding:13px 28px;
            background:var(--accent);
            color:#1a1a2e;
            font-weight:600;
            font-size:1rem;
            border-radius:var(--radius-full);
            transition:var(--transition);
            border:none;
        }
        .btn-hero-primary:hover{
            background:#f0b830;
            transform:translateY(-2px);
            box-shadow:0 8px 24px rgba(232,168,23,0.4);
            color:#1a1a2e;
        }
        .btn-hero-outline{
            display:inline-flex;
            align-items:center;
            gap:8px;
            padding:13px 28px;
            background:transparent;
            color:#fff;
            font-weight:500;
            font-size:1rem;
            border-radius:var(--radius-full);
            border:1.5px solid rgba(255,255,255,0.35);
            transition:var(--transition);
        }
        .btn-hero-outline:hover{
            background:rgba(255,255,255,0.08);
            border-color:rgba(255,255,255,0.6);
            color:#fff;
        }
        .hero-wiki-visual{
            flex-shrink:0;
            width:320px;
            height:320px;
            border-radius:var(--radius-xl);
            overflow:hidden;
            border:3px solid rgba(255,255,255,0.15);
            box-shadow:var(--shadow-xl);
            position:relative;
        }
        .hero-wiki-visual img{
            width:100%;
            height:100%;
            object-fit:cover;
        }
        .hero-wiki-visual::after{
            content:'';
            position:absolute;
            inset:0;
            background:linear-gradient(135deg,rgba(26,107,60,0.25),transparent 60%);
        }
        @media(max-width:992px){
            .hero-wiki-inner{flex-direction:column;text-align:center;}
            .hero-wiki-desc{margin:0 auto 24px;}
            .hero-wiki-stats{justify-content:center;}
            .hero-wiki-btns{justify-content:center;}
            .hero-wiki-visual{width:240px;height:240px;}
            .hero-wiki h1{font-size:2.2rem;}
        }
        @media(max-width:520px){
            .hero-wiki{padding:50px 0 40px;}
            .hero-wiki h1{font-size:1.7rem;}
            .hero-wiki-visual{width:180px;height:180px;}
            .hero-stat-num{font-size:1.3rem;}
            .hero-stat-item{min-width:70px;padding:10px 14px;}
        }

        /* ========== 知识分类卡片网格 ========== */
        .wiki-categories-grid{
            display:grid;
            grid-template-columns:repeat(4,1fr);
            gap:20px;
            margin-top:8px;
        }
        .wiki-cat-card{
            background:var(--bg-card);
            border-radius:var(--radius-lg);
            overflow:hidden;
            border:1px solid var(--border);
            transition:var(--transition-slow);
            cursor:pointer;
            position:relative;
            display:flex;
            flex-direction:column;
        }
        .wiki-cat-card:hover{
            transform:translateY(-6px);
            box-shadow:var(--shadow-lg);
            border-color:var(--primary);
        }
        .wiki-cat-card-img{
            width:100%;
            height:160px;
            overflow:hidden;
            position:relative;
        }
        .wiki-cat-card-img img{
            width:100%;
            height:100%;
            object-fit:cover;
            transition:var(--transition-slow);
        }
        .wiki-cat-card:hover .wiki-cat-card-img img{transform:scale(1.06);}
        .wiki-cat-card-img .overlay-tag{
            position:absolute;
            top:12px;
            left:12px;
            background:var(--primary);
            color:#fff;
            font-size:0.75rem;
            font-weight:600;
            padding:5px 12px;
            border-radius:var(--radius-full);
            z-index:2;
        }
        .wiki-cat-card-body{padding:18px 16px 20px;flex:1;display:flex;flex-direction:column;}
        .wiki-cat-card-body h3{
            font-family:var(--font-heading);
            font-size:1.1rem;
            font-weight:700;
            color:var(--text);
            margin-bottom:6px;
            line-height:1.4;
        }
        .wiki-cat-card-body p{
            font-size:0.88rem;
            color:var(--text-muted);
            line-height:1.5;
            margin-bottom:12px;
            flex:1;
        }
        .wiki-cat-link{
            font-size:0.85rem;
            font-weight:600;
            color:var(--primary);
            display:inline-flex;
            align-items:center;
            gap:4px;
            transition:var(--transition);
        }
        .wiki-cat-link:hover{color:var(--primary-dark);gap:8px;}
        @media(max-width:1024px){
            .wiki-categories-grid{grid-template-columns:repeat(2,1fr);}
        }
        @media(max-width:520px){
            .wiki-categories-grid{grid-template-columns:1fr;}
            .wiki-cat-card-img{height:140px;}
        }

        /* ========== 热门百科条目列表 ========== */
        .wiki-list-section{background:var(--bg-white);}
        .wiki-list-grid{
            display:grid;
            grid-template-columns:repeat(3,1fr);
            gap:20px;
            margin-top:8px;
        }
        .wiki-list-card{
            display:flex;
            gap:16px;
            padding:20px;
            background:var(--bg);
            border-radius:var(--radius-md);
            border:1px solid var(--border-light);
            transition:var(--transition);
            align-items:flex-start;
        }
        .wiki-list-card:hover{
            box-shadow:var(--shadow-md);
            border-color:var(--border);
            transform:translateY(-2px);
        }
        .wiki-list-num{
            flex-shrink:0;
            width:44px;
            height:44px;
            border-radius:var(--radius-sm);
            background:var(--primary-light);
            color:var(--primary);
            font-weight:700;
            font-size:1.2rem;
            display:flex;
            align-items:center;
            justify-content:center;
        }
        .wiki-list-info h4{
            font-size:0.95rem;
            font-weight:600;
            color:var(--text);
            margin-bottom:4px;
            line-height:1.4;
        }
        .wiki-list-info .meta{
            font-size:0.8rem;
            color:var(--text-muted);
            display:flex;
            gap:12px;
            align-items:center;
        }
        .wiki-list-info .meta i{font-size:0.7rem;}
        @media(max-width:1024px){
            .wiki-list-grid{grid-template-columns:repeat(2,1fr);}
        }
        @media(max-width:600px){
            .wiki-list-grid{grid-template-columns:1fr;}
        }

        /* ========== 特色专题区 ========== */
        .featured-topic{
            background:linear-gradient(135deg,var(--primary-dark),#0a2e19);
            color:#fff;
            padding:56px 0;
            position:relative;
            overflow:hidden;
        }
        .featured-topic::before{
            content:'';
            position:absolute;
            top:-20%;
            left:-10%;
            width:50%;
            height:140%;
            background:url('/assets/images/coverpic/cover-10.webp') center/cover no-repeat;
            opacity:0.1;
            border-radius:50%;
            filter:blur(3px);
        }
        .featured-topic-inner{
            position:relative;
            z-index:2;
            display:flex;
            align-items:center;
            gap:36px;
            max-width:var(--max-width);
            margin:0 auto;
            padding:0 24px;
        }
        .featured-topic-content{flex:1;}
        .featured-topic-content h2{
            font-size:2rem;
            font-weight:700;
            margin-bottom:12px;
            letter-spacing:-0.3px;
        }
        .featured-topic-content p{
            color:rgba(255,255,255,0.8);
            line-height:1.7;
            margin-bottom:20px;
            max-width:500px;
        }
        .featured-topic-visual{
            flex-shrink:0;
            width:260px;
            height:200px;
            border-radius:var(--radius-lg);
            overflow:hidden;
            border:2px solid rgba(255,255,255,0.2);
            box-shadow:var(--shadow-lg);
        }
        .featured-topic-visual img{
            width:100%;
            height:100%;
            object-fit:cover;
        }
        .btn-featured{
            display:inline-flex;
            align-items:center;
            gap:8px;
            padding:12px 26px;
            background:var(--accent);
            color:#1a1a2e;
            font-weight:600;
            border-radius:var(--radius-full);
            transition:var(--transition);
            border:none;
            font-size:0.95rem;
        }
        .btn-featured:hover{
            background:#f0b830;
            transform:translateY(-2px);
            box-shadow:0 6px 20px rgba(232,168,23,0.5);
            color:#1a1a2e;
        }
        @media(max-width:768px){
            .featured-topic-inner{flex-direction:column;text-align:center;}
            .featured-topic-content p{margin:0 auto 20px;}
            .featured-topic-visual{width:200px;height:150px;}
            .featured-topic-content h2{font-size:1.5rem;}
        }

        /* ========== 流程/步骤区 ========== */
        .steps-row{
            display:grid;
            grid-template-columns:repeat(4,1fr);
            gap:20px;
            margin-top:8px;
        }
        .step-card{
            text-align:center;
            padding:28px 18px;
            background:var(--bg-card);
            border-radius:var(--radius-lg);
            border:1px solid var(--border);
            transition:var(--transition);
            position:relative;
        }
        .step-card:hover{
            box-shadow:var(--shadow-md);
            transform:translateY(-3px);
        }
        .step-icon-circle{
            width:60px;
            height:60px;
            border-radius:50%;
            background:var(--primary-light);
            color:var(--primary);
            display:flex;
            align-items:center;
            justify-content:center;
            font-size:1.5rem;
            margin:0 auto 16px;
            transition:var(--transition);
        }
        .step-card:hover .step-icon-circle{
            background:var(--primary);
            color:#fff;
        }
        .step-card h4{
            font-size:1rem;
            font-weight:700;
            margin-bottom:6px;
            color:var(--text);
        }
        .step-card p{
            font-size:0.85rem;
            color:var(--text-muted);
            line-height:1.5;
        }
        .step-number{
            position:absolute;
            top:12px;
            right:16px;
            font-size:2.5rem;
            font-weight:800;
            color:var(--border);
            line-height:1;
            pointer-events:none;
        }
        @media(max-width:1024px){
            .steps-row{grid-template-columns:repeat(2,1fr);}
        }
        @media(max-width:520px){
            .steps-row{grid-template-columns:1fr;}
        }

        /* ========== FAQ ========== */
        .faq-section{background:var(--bg-white);}
        .faq-list{max-width:760px;margin:8px auto 0;}
        .faq-item{
            border-bottom:1px solid var(--border-light);
            padding:20px 0;
            cursor:pointer;
            transition:var(--transition);
        }
        .faq-item:first-child{border-top:1px solid var(--border-light);}
        .faq-question{
            display:flex;
            align-items:center;
            justify-content:space-between;
            gap:12px;
            font-weight:600;
            font-size:1.05rem;
            color:var(--text);
            transition:var(--transition);
        }
        .faq-item:hover .faq-question{color:var(--primary);}
        .faq-icon{
            flex-shrink:0;
            width:28px;
            height:28px;
            border-radius:50%;
            background:var(--bg);
            display:flex;
            align-items:center;
            justify-content:center;
            font-size:0.8rem;
            transition:var(--transition);
            color:var(--text-muted);
        }
        .faq-item.active .faq-icon{
            background:var(--primary);
            color:#fff;
            transform:rotate(45deg);
        }
        .faq-answer{
            max-height:0;
            overflow:hidden;
            transition:max-height 0.4s ease,padding 0.3s ease;
            color:var(--text-secondary);
            font-size:0.95rem;
            line-height:1.7;
        }
        .faq-item.active .faq-answer{
            max-height:400px;
            padding-top:12px;
        }

        /* ========== CTA ========== */
        .cta-section{
            background:linear-gradient(160deg,var(--primary-dark),#0f3d22);
            color:#fff;
            padding:60px 0;
            text-align:center;
            position:relative;
            overflow:hidden;
        }
        .cta-section::before{
            content:'';
            position:absolute;
            top:-15%;
            right:-10%;
            width:40%;
            height:130%;
            background:url('/assets/images/backpic/back-1.png') center/cover no-repeat;
            opacity:0.1;
            border-radius:50%;
            filter:blur(2px);
        }
        .cta-inner{position:relative;z-index:2;}
        .cta-inner h2{
            font-size:2rem;
            font-weight:700;
            margin-bottom:12px;
            letter-spacing:-0.3px;
        }
        .cta-inner p{
            color:rgba(255,255,255,0.8);
            max-width:500px;
            margin:0 auto 24px;
            line-height:1.6;
        }
        .btn-cta-lg{
            display:inline-flex;
            align-items:center;
            gap:8px;
            padding:15px 36px;
            background:var(--accent);
            color:#1a1a2e;
            font-weight:700;
            font-size:1.05rem;
            border-radius:var(--radius-full);
            transition:var(--transition);
            border:none;
        }
        .btn-cta-lg:hover{
            background:#f0b830;
            transform:translateY(-3px);
            box-shadow:0 10px 28px rgba(232,168,23,0.5);
            color:#1a1a2e;
        }
        @media(max-width:520px){
            .cta-inner h2{font-size:1.5rem;}
            .btn-cta-lg{padding:13px 28px;font-size:0.95rem;}
        }

        /* ========== Footer ========== */
        .site-footer{
            background:var(--bg-dark);
            color:rgba(255,255,255,0.8);
            padding:50px 0 24px;
        }
        .footer-grid{
            display:grid;
            grid-template-columns:2fr 1fr 1fr 1fr;
            gap:32px;
            margin-bottom:32px;
        }
        .footer-brand .logo-brand-footer{
            display:flex;
            align-items:center;
            gap:10px;
            font-weight:700;
            font-size:1.25rem;
            color:#fff;
            margin-bottom:12px;
        }
        .logo-icon-footer{
            display:flex;
            align-items:center;
            justify-content:center;
            width:36px;
            height:36px;
            background:var(--primary);
            color:#fff;
            font-weight:800;
            font-size:1rem;
            border-radius:var(--radius-sm);
        }
        .footer-brand p{font-size:0.88rem;color:rgba(255,255,255,0.6);line-height:1.6;max-width:360px;}
        .footer-col h4{
            color:#fff;
            font-size:0.95rem;
            font-weight:600;
            margin-bottom:14px;
        }
        .footer-col ul{display:flex;flex-direction:column;gap:8px;}
        .footer-col ul li a{
            color:rgba(255,255,255,0.6);
            font-size:0.88rem;
            transition:var(--transition);
        }
        .footer-col ul li a:hover{color:var(--accent);padding-left:4px;}
        .footer-bottom{
            border-top:1px solid rgba(255,255,255,0.1);
            padding-top:18px;
            text-align:center;
            font-size:0.82rem;
            color:rgba(255,255,255,0.45);
        }
        @media(max-width:768px){
            .footer-grid{grid-template-columns:1fr 1fr;gap:24px;}
            .footer-brand{grid-column:1/-1;}
        }
        @media(max-width:480px){
            .footer-grid{grid-template-columns:1fr;}
        }

        /* ========== 工具类 ========== */
        .text-center{text-align:center;}
        .mt-8{margin-top:8px;}
        .mt-16{margin-top:16px;}
        .mt-24{margin-top:24px;}
        .mb-0{margin-bottom:0;}

        /* ========== 滚动动画辅助 ========== */
        .fade-in-up{
            opacity:0;
            transform:translateY(24px);
            transition:opacity 0.6s ease,transform 0.6s ease;
        }
        .fade-in-up.visible{
            opacity:1;
            transform:translateY(0);
        }