/* roulang page: index */
:root {
            --primary: #0a1f3f;
            --primary-light: #152d56;
            --accent: #ff4d2e;
            --accent-hover: #e13d22;
            --gold: #f0a830;
            --gold-light: #fce8c4;
            --bg: #f7f8fa;
            --bg-white: #ffffff;
            --text: #1a1a2e;
            --text-light: #5a5f6e;
            --text-muted: #8b8f9a;
            --border: #e2e5ea;
            --border-light: #f0f1f4;
            --shadow-sm: 0 1px 3px rgba(10,31,63,0.06);
            --shadow: 0 4px 20px rgba(10,31,63,0.08);
            --shadow-lg: 0 12px 40px rgba(10,31,63,0.12);
            --shadow-xl: 0 20px 60px rgba(10,31,63,0.16);
            --radius-sm: 8px;
            --radius: 12px;
            --radius-lg: 18px;
            --radius-xl: 24px;
            --transition: 0.25s cubic-bezier(0.4,0,0.2,1);
            --font-heading: 'PingFang SC','Microsoft YaHei','Helvetica Neue',sans-serif;
            --font-body: 'PingFang SC','Microsoft YaHei','Hiragino Sans GB',sans-serif;
        }
        *,*::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);background:var(--bg);overflow-x:hidden}
        a{text-decoration:none;color:inherit;transition:color var(--transition)}
        img{max-width:100%;height:auto;display:block}
        button,input{font-family:inherit}
        h1,h2,h3,h4,h5,h6{font-family:var(--font-heading);font-weight:700;line-height:1.3}
        .container-custom{max-width:1220px;margin:0 auto;padding:0 24px}
        @media(min-width:1400px){.container-custom{max-width:1320px}}
        /* Navbar */
        .navbar-custom{background:var(--bg-white);border-bottom:1px solid var(--border-light);padding:0;position:sticky;top:0;z-index:1050;box-shadow:var(--shadow-sm);transition:box-shadow var(--transition)}
        .navbar-custom.scrolled{box-shadow:var(--shadow)}
        .navbar-custom .container-custom{display:flex;align-items:center;justify-content:space-between;height:68px}
        .navbar-brand-custom{font-family:var(--font-heading);font-size:1.35rem;font-weight:700;color:var(--primary);letter-spacing:-0.02em;display:flex;align-items:center;gap:10px;white-space:nowrap}
        .navbar-brand-custom .brand-icon{width:38px;height:38px;background:var(--accent);border-radius:var(--radius-sm);display:flex;align-items:center;justify-content:center;color:#fff;font-size:1.1rem;flex-shrink:0}
        .navbar-brand-custom:hover{color:var(--primary-light)}
        .nav-links{display:flex;align-items:center;gap:6px;list-style:none;margin:0;padding:0}
        .nav-links a{display:inline-flex;align-items:center;padding:10px 18px;border-radius:30px;font-weight:500;font-size:0.95rem;color:var(--text-light);transition:all var(--transition);position:relative}
        .nav-links a:hover{color:var(--primary);background:var(--bg)}
        .nav-links a.active{color:var(--accent);background:#fff5f3;font-weight:600}
        .nav-cta-btn{display:inline-flex;align-items:center;gap:7px;padding:10px 22px;background:var(--accent);color:#fff!important;border-radius:30px;font-weight:600;font-size:0.95rem;transition:all var(--transition);margin-left:8px}
        .nav-cta-btn:hover{background:var(--accent-hover);transform:translateY(-1px);box-shadow:0 6px 20px rgba(255,77,46,0.35)}
        .navbar-toggler{border:none;padding:6px 8px;color:var(--primary);background:transparent;font-size:1.4rem}
        .navbar-toggler:focus{box-shadow:none;outline:2px solid var(--accent);outline-offset:2px}
        @media(max-width:991px){
            .nav-links{display:none;position:absolute;top:68px;left:0;right:0;background:var(--bg-white);flex-direction:column;padding:16px 20px;gap:4px;border-bottom:1px solid var(--border);box-shadow:var(--shadow-lg);border-radius:0 0 var(--radius-lg) var(--radius-lg)}
            .nav-links.show{display:flex}
            .nav-links a{padding:13px 16px;border-radius:var(--radius-sm);width:100%}
            .nav-cta-btn{margin-left:0;margin-top:6px;justify-content:center;width:100%}
        }
        /* Hero */
        .hero-section{position:relative;background:var(--primary);background-image:linear-gradient(165deg,rgba(10,31,63,0.88) 0%,rgba(10,31,63,0.72) 40%,rgba(10,31,63,0.9) 100%),url('/assets/images/backpic/back-1.png');background-size:cover;background-position:center;background-repeat:no-repeat;padding:90px 0 100px;color:#fff;overflow:hidden}
        .hero-section::after{content:'';position:absolute;top:-60px;right:-80px;width:360px;height:360px;background:radial-gradient(circle,rgba(240,168,48,0.25) 0%,transparent 70%);border-radius:50%;pointer-events:none}
        .hero-section::before{content:'';position:absolute;bottom:-40px;left:-60px;width:280px;height:280px;background:radial-gradient(circle,rgba(255,77,46,0.18) 0%,transparent 70%);border-radius:50%;pointer-events:none}
        .hero-content{position:relative;z-index:2;max-width:680px}
        .hero-badge{display:inline-flex;align-items:center;gap:8px;background:rgba(255,255,255,0.12);border:1px solid rgba(255,255,255,0.22);padding:8px 16px;border-radius:30px;font-size:0.88rem;font-weight:500;margin-bottom:24px;backdrop-filter:blur(8px);letter-spacing:0.02em}
        .hero-badge .dot{width:8px;height:8px;background:#4ef08a;border-radius:50%;animation:pulse-dot 2s infinite}
        @keyframes pulse-dot{0%,100%{opacity:1;box-shadow:0 0 0 0 rgba(78,240,138,0.6)}50%{opacity:0.6;box-shadow:0 0 0 10px rgba(78,240,138,0)}}
        .hero-title{font-size:3.2rem;font-weight:800;letter-spacing:-0.03em;line-height:1.18;margin-bottom:20px}
        .hero-title span{color:var(--gold);position:relative}
        .hero-desc{font-size:1.15rem;line-height:1.75;color:rgba(255,255,255,0.78);margin-bottom:36px;max-width:540px}
        .hero-btns{display:flex;flex-wrap:wrap;gap:14px}
        .btn-hero-primary{display:inline-flex;align-items:center;gap:9px;padding:14px 30px;background:var(--accent);color:#fff;border-radius:30px;font-weight:600;font-size:1.02rem;border:none;transition:all var(--transition);box-shadow:0 8px 28px rgba(255,77,46,0.4)}
        .btn-hero-primary:hover{background:var(--accent-hover);transform:translateY(-2px);box-shadow:0 14px 36px rgba(255,77,46,0.5);color:#fff}
        .btn-hero-outline{display:inline-flex;align-items:center;gap:9px;padding:14px 30px;background:transparent;color:#fff;border-radius:30px;font-weight:600;font-size:1.02rem;border:2px solid rgba(255,255,255,0.4);transition:all var(--transition)}
        .btn-hero-outline:hover{border-color:#fff;background:rgba(255,255,255,0.08);color:#fff;transform:translateY(-2px)}
        .hero-countdown{display:flex;gap:16px;margin-top:40px;flex-wrap:wrap}
        .countdown-item{background:rgba(255,255,255,0.08);border:1px solid rgba(255,255,255,0.15);border-radius:var(--radius);padding:16px 20px;text-align:center;min-width:72px;backdrop-filter:blur(8px)}
        .countdown-item .num{font-size:2rem;font-weight:800;line-height:1;color:var(--gold)}
        .countdown-item .lbl{font-size:0.78rem;color:rgba(255,255,255,0.7);margin-top:4px}
        @media(max-width:768px){
            .hero-section{padding:60px 0 70px}
            .hero-title{font-size:2.1rem}
            .hero-desc{font-size:1rem}
            .countdown-item{padding:12px 14px;min-width:58px}
            .countdown-item .num{font-size:1.5rem}
        }
        /* Section */
        .section{padding:80px 0}
        .section-header{text-align:center;margin-bottom:52px}
        .section-label{display:inline-block;font-size:0.85rem;font-weight:600;color:var(--accent);text-transform:uppercase;letter-spacing:0.08em;margin-bottom:10px;background:#fff5f3;padding:4px 14px;border-radius:20px}
        .section-title{font-size:2.2rem;font-weight:800;color:var(--primary);margin-bottom:12px;letter-spacing:-0.02em}
        .section-subtitle{font-size:1.05rem;color:var(--text-light);max-width:600px;margin:0 auto}
        @media(max-width:768px){.section{padding:50px 0}.section-title{font-size:1.65rem}}
        /* Feature Cards */
        .feature-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
        .feature-card{background:var(--bg-white);border-radius:var(--radius-lg);padding:32px 26px;box-shadow:var(--shadow-sm);border:1px solid var(--border-light);transition:all var(--transition);position:relative;overflow:hidden}
        .feature-card::before{content:'';position:absolute;top:0;left:0;right:0;height:3px;background:linear-gradient(90deg,var(--accent),var(--gold));opacity:0;transition:opacity var(--transition)}
        .feature-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-lg);border-color:transparent}
        .feature-card:hover::before{opacity:1}
        .feature-icon{width:54px;height:54px;border-radius:var(--radius);display:flex;align-items:center;justify-content:center;font-size:1.5rem;margin-bottom:18px;background:var(--bg)}
        .feature-icon.red{background:#fff5f3;color:var(--accent)}
        .feature-icon.blue{background:#eef4ff;color:#2563eb}
        .feature-icon.gold{background:var(--gold-light);color:var(--gold)}
        .feature-icon.green{background:#eafaf1;color:#16a34a}
        .feature-card h3{font-size:1.08rem;font-weight:700;margin-bottom:8px;color:var(--primary)}
        .feature-card p{font-size:0.92rem;color:var(--text-light);line-height:1.6;margin:0}
        @media(max-width:991px){.feature-grid{grid-template-columns:repeat(2,1fr)}}
        @media(max-width:520px){.feature-grid{grid-template-columns:1fr}}
        /* Category Entrance */
        .category-entrance-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:28px}
        .category-card{position:relative;border-radius:var(--radius-xl);overflow:hidden;min-height:320px;display:flex;align-items:flex-end;background-size:cover;background-position:center;box-shadow:var(--shadow);transition:all var(--transition);cursor:pointer}
        .category-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-xl)}
        .category-card .overlay{position:absolute;inset:0;background:linear-gradient(180deg,rgba(10,31,63,0.1) 0%,rgba(10,31,63,0.55) 50%,rgba(10,31,63,0.9) 100%);z-index:1}
        .category-card .card-body-content{position:relative;z-index:2;padding:36px 30px;color:#fff;width:100%}
        .category-card .card-tag{display:inline-block;background:var(--accent);color:#fff;padding:5px 14px;border-radius:20px;font-size:0.82rem;font-weight:600;margin-bottom:12px}
        .category-card h3{font-size:1.55rem;font-weight:700;margin-bottom:6px}
        .category-card p{font-size:0.93rem;color:rgba(255,255,255,0.8);margin:0;max-width:360px}
        @media(max-width:768px){.category-entrance-grid{grid-template-columns:1fr}.category-card{min-height:240px}}
        /* CMS List */
        .cms-list-section{background:var(--bg-white);border-radius:var(--radius-xl);padding:40px 32px;box-shadow:var(--shadow-sm);border:1px solid var(--border-light)}
        .cms-list-item{display:flex;align-items:flex-start;gap:20px;padding:18px 0;border-bottom:1px solid var(--border-light);transition:all var(--transition)}
        .cms-list-item:last-child{border-bottom:none}
        .cms-list-item:hover{padding-left:8px}
        .cms-list-item .cms-thumb{width:90px;height:64px;border-radius:var(--radius-sm);object-fit:cover;flex-shrink:0;background:var(--bg)}
        .cms-list-item .cms-info{flex:1;min-width:0}
        .cms-list-item .cms-title{font-size:1rem;font-weight:600;color:var(--primary);margin-bottom:4px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;line-height:1.4}
        .cms-list-item .cms-meta{font-size:0.82rem;color:var(--text-muted);display:flex;gap:12px;flex-wrap:wrap}
        .cms-list-item .cms-cat{background:#fff5f3;color:var(--accent);padding:2px 10px;border-radius:12px;font-weight:500;font-size:0.78rem}
        .cms-empty{text-align:center;padding:40px;color:var(--text-muted);font-size:1rem}
        @media(max-width:520px){.cms-list-item{flex-direction:column;gap:12px}.cms-list-item .cms-thumb{width:100%;height:160px}}
        /* Stats */
        .stats-row{display:flex;gap:28px;flex-wrap:wrap;justify-content:center}
        .stat-item{text-align:center;padding:20px 28px;background:var(--bg-white);border-radius:var(--radius-lg);box-shadow:var(--shadow-sm);border:1px solid var(--border-light);min-width:160px;transition:all var(--transition)}
        .stat-item:hover{box-shadow:var(--shadow);transform:translateY(-3px)}
        .stat-num{font-size:2.6rem;font-weight:800;color:var(--accent);line-height:1}
        .stat-num .plus{color:var(--gold);font-size:1.6rem}
        .stat-label{font-size:0.9rem;color:var(--text-light);margin-top:6px}
        /* FAQ */
        .faq-wrapper{max-width:780px;margin:0 auto}
        .accordion-custom .accordion-item{border:1px solid var(--border-light);border-radius:var(--radius)!important;margin-bottom:10px;overflow:hidden;box-shadow:var(--shadow-sm);transition:all var(--transition)}
        .accordion-custom .accordion-item:hover{box-shadow:var(--shadow)}
        .accordion-custom .accordion-button{font-weight:600;font-size:1rem;color:var(--primary);background:var(--bg-white);padding:18px 22px;box-shadow:none!important;border-radius:var(--radius)!important}
        .accordion-custom .accordion-button:not(.collapsed){color:var(--accent);background:#fffaf8}
        .accordion-custom .accordion-button:focus{box-shadow:none;border-color:var(--accent)}
        .accordion-custom .accordion-body{font-size:0.95rem;color:var(--text-light);padding:6px 22px 20px;line-height:1.75}
        /* CTA */
        .cta-section{background:var(--primary);background-image:linear-gradient(135deg,var(--primary) 0%,var(--primary-light) 100%);border-radius:var(--radius-xl);padding:56px 40px;text-align:center;color:#fff;position:relative;overflow:hidden}
        .cta-section::after{content:'';position:absolute;top:-40px;right:-40px;width:200px;height:200px;background:radial-gradient(circle,rgba(240,168,48,0.3) 0%,transparent 70%);border-radius:50%;pointer-events:none}
        .cta-section h2{font-size:1.9rem;font-weight:800;margin-bottom:12px;position:relative;z-index:1}
        .cta-section p{font-size:1.05rem;color:rgba(255,255,255,0.8);margin-bottom:28px;position:relative;z-index:1;max-width:500px;margin-left:auto;margin-right:auto}
        .btn-cta{display:inline-flex;align-items:center;gap:9px;padding:15px 36px;background:var(--accent);color:#fff;border-radius:30px;font-weight:600;font-size:1.05rem;transition:all var(--transition);position:relative;z-index:1;border:none;box-shadow:0 8px 28px rgba(255,77,46,0.45)}
        .btn-cta:hover{background:var(--accent-hover);transform:translateY(-2px);box-shadow:0 14px 38px rgba(255,77,46,0.55);color:#fff}
        /* Footer */
        .site-footer{background:var(--primary);color:rgba(255,255,255,0.7);padding:50px 0 30px;margin-top:20px}
        .footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr;gap:40px;margin-bottom:36px}
        .footer-brand{font-family:var(--font-heading);font-size:1.3rem;font-weight:700;color:#fff;margin-bottom:12px}
        .footer-desc{font-size:0.9rem;line-height:1.7;margin-bottom:0;max-width:320px}
        .footer-col h4{font-size:0.95rem;font-weight:700;color:#fff;margin-bottom:14px}
        .footer-col ul{list-style:none;padding:0;margin:0}
        .footer-col ul li{margin-bottom:8px}
        .footer-col ul li a{font-size:0.9rem;color:rgba(255,255,255,0.65);transition:color var(--transition)}
        .footer-col ul li a:hover{color:var(--gold)}
        .footer-bottom{border-top:1px solid rgba(255,255,255,0.12);padding-top:22px;text-align:center;font-size:0.85rem;color:rgba(255,255,255,0.5)}
        @media(max-width:768px){.footer-grid{grid-template-columns:1fr;gap:28px}}
        /* Scroll Anim */
        .fade-up{opacity:0;transform:translateY(30px);transition:opacity 0.7s ease,transform 0.7s ease}
        .fade-up.visible{opacity:1;transform:translateY(0)}
        /* Misc */
        .text-accent{color:var(--accent)!important}
        .bg-light-alt{background:var(--bg-white)}

/* roulang page: category1 */
:root {
            --color-primary: #e63946;
            --color-primary-dark: #c1121f;
            --color-primary-light: #ff6b6b;
            --color-accent: #f4a261;
            --color-accent-dark: #e07b39;
            --color-bg: #0d1117;
            --color-bg-alt: #161b22;
            --color-bg-card: #1c2333;
            --color-bg-light: #212a3b;
            --color-surface: #1e2746;
            --color-text: #e6edf3;
            --color-text-strong: #ffffff;
            --color-text-weak: #a1aab8;
            --color-text-muted: #6e7681;
            --color-border: #2a3347;
            --color-border-light: #353f55;
            --color-success: #2ecc71;
            --color-warning: #f39c12;
            --radius-sm: 8px;
            --radius-md: 14px;
            --radius-lg: 20px;
            --radius-xl: 28px;
            --radius-full: 50px;
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.25);
            --shadow-md: 0 6px 20px rgba(0, 0, 0, 0.35);
            --shadow-lg: 0 12px 36px rgba(0, 0, 0, 0.5);
            --shadow-glow: 0 0 30px rgba(230, 57, 70, 0.3);
            --shadow-glow-accent: 0 0 24px rgba(244, 162, 97, 0.35);
            --transition-fast: 0.18s ease;
            --transition-base: 0.28s ease;
            --transition-slow: 0.4s ease;
            --font-heading: 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', sans-serif;
            --font-body: 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', sans-serif;
            --max-width: 1200px;
            --nav-height: 72px;
        }

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

        html {
            scroll-behavior: smooth;
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            font-family: var(--font-body);
            background-color: var(--color-bg);
            color: var(--color-text);
            line-height: 1.7;
            min-height: 100vh;
            overflow-x: hidden;
        }

        a {
            text-decoration: none;
            color: inherit;
            transition: color var(--transition-fast);
        }
        a:hover {
            color: var(--color-primary-light);
        }
        a:focus-visible {
            outline: 2px solid var(--color-primary);
            outline-offset: 3px;
            border-radius: 4px;
        }

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

        button {
            font-family: var(--font-body);
            cursor: pointer;
            border: none;
            background: none;
        }
        button:focus-visible {
            outline: 2px solid var(--color-primary);
            outline-offset: 3px;
            border-radius: 4px;
        }

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

        .container-custom {
            width: 100%;
            max-width: var(--max-width);
            margin: 0 auto;
            padding-left: 20px;
            padding-right: 20px;
        }

        /* ========== NAVBAR ========== */
        .navbar-custom {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            z-index: 1050;
            background: rgba(13, 17, 23, 0.88);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid var(--color-border);
            height: var(--nav-height);
            display: flex;
            align-items: center;
            transition: background var(--transition-base), box-shadow var(--transition-base);
        }
        .navbar-custom.scrolled {
            background: rgba(13, 17, 23, 0.96);
            box-shadow: var(--shadow-md);
        }
        .navbar-custom .container-custom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 100%;
        }
        .navbar-brand-custom {
            display: flex;
            align-items: center;
            gap: 10px;
            font-family: var(--font-heading);
            font-size: 1.35rem;
            font-weight: 700;
            color: var(--color-text-strong);
            white-space: nowrap;
            transition: opacity var(--transition-fast);
        }
        .navbar-brand-custom:hover {
            color: var(--color-text-strong);
            opacity: 0.85;
        }
        .brand-icon {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 38px;
            height: 38px;
            background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
            border-radius: var(--radius-sm);
            font-size: 1.1rem;
            color: #fff;
            box-shadow: var(--shadow-glow);
        }
        .nav-links {
            display: flex;
            align-items: center;
            gap: 8px;
            margin: 0;
        }
        .nav-links li a {
            display: inline-block;
            padding: 9px 18px;
            border-radius: var(--radius-full);
            font-weight: 500;
            font-size: 0.95rem;
            color: var(--color-text-weak);
            transition: all var(--transition-fast);
            white-space: nowrap;
        }
        .nav-links li a:hover {
            color: var(--color-text-strong);
            background: rgba(255, 255, 255, 0.05);
        }
        .nav-links li a.active {
            color: #fff;
            background: var(--color-primary);
            font-weight: 600;
            box-shadow: var(--shadow-glow);
        }
        .nav-cta-btn {
            background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark)) !important;
            color: #fff !important;
            font-weight: 600 !important;
            padding: 9px 22px !important;
            border-radius: var(--radius-full) !important;
            box-shadow: var(--shadow-glow);
            transition: all var(--transition-base) !important;
        }
        .nav-cta-btn:hover {
            transform: translateY(-2px);
            box-shadow: 0 0 38px rgba(230, 57, 70, 0.45) !important;
            background: linear-gradient(135deg, var(--color-primary-light), var(--color-primary)) !important;
            color: #fff !important;
        }
        .navbar-toggler {
            color: var(--color-text-strong);
            font-size: 1.5rem;
            padding: 6px 10px;
            border-radius: var(--radius-sm);
            transition: background var(--transition-fast);
            display: none;
        }
        .navbar-toggler:hover {
            background: rgba(255, 255, 255, 0.08);
        }

        /* ========== HERO ========== */
        .hero-category {
            position: relative;
            min-height: 580px;
            display: flex;
            align-items: center;
            justify-content: center;
            text-align: center;
            padding: 140px 20px 80px;
            background: url('/assets/images/backpic/back-1.png') center/cover no-repeat;
            overflow: hidden;
        }
        .hero-category::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(13, 17, 23, 0.78) 0%, rgba(13, 17, 23, 0.88) 40%, rgba(13, 17, 23, 0.94) 100%);
            z-index: 1;
        }
        .hero-category::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            height: 50%;
            background: radial-gradient(ellipse at center top, rgba(230, 57, 70, 0.18) 0%, transparent 70%);
            z-index: 1;
        }
        .hero-category .hero-content {
            position: relative;
            z-index: 2;
            max-width: 780px;
        }
        .hero-badge {
            display: inline-block;
            padding: 7px 20px;
            background: rgba(230, 57, 70, 0.18);
            border: 1px solid rgba(230, 57, 70, 0.4);
            border-radius: var(--radius-full);
            font-size: 0.9rem;
            font-weight: 600;
            color: var(--color-primary-light);
            letter-spacing: 0.04em;
            margin-bottom: 20px;
        }
        .hero-category h1 {
            font-family: var(--font-heading);
            font-size: 3.2rem;
            font-weight: 800;
            color: var(--color-text-strong);
            margin-bottom: 18px;
            line-height: 1.25;
            letter-spacing: -0.01em;
        }
        .hero-category h1 .accent {
            background: linear-gradient(135deg, var(--color-primary-light), var(--color-accent));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .hero-category .hero-subtitle {
            font-size: 1.15rem;
            color: var(--color-text-weak);
            margin-bottom: 32px;
            line-height: 1.7;
            max-width: 600px;
            margin-left: auto;
            margin-right: auto;
        }
        .hero-stats-row {
            display: flex;
            justify-content: center;
            gap: 40px;
            flex-wrap: wrap;
            margin-top: 8px;
        }
        .hero-stat-item {
            text-align: center;
        }
        .hero-stat-item .stat-num {
            font-family: var(--font-heading);
            font-size: 2.4rem;
            font-weight: 800;
            color: var(--color-text-strong);
            line-height: 1;
        }
        .hero-stat-item .stat-label {
            font-size: 0.85rem;
            color: var(--color-text-muted);
            margin-top: 6px;
        }

        /* ========== BUTTONS ========== */
        .btn-primary-custom {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 13px 30px;
            background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
            color: #fff;
            font-weight: 600;
            font-size: 1rem;
            border-radius: var(--radius-full);
            border: none;
            cursor: pointer;
            transition: all var(--transition-base);
            box-shadow: var(--shadow-glow);
            text-decoration: none;
        }
        .btn-primary-custom:hover {
            transform: translateY(-3px);
            box-shadow: 0 0 44px rgba(230, 57, 70, 0.5);
            color: #fff;
            background: linear-gradient(135deg, var(--color-primary-light), var(--color-primary));
        }
        .btn-primary-custom:active {
            transform: translateY(-1px);
            box-shadow: var(--shadow-glow);
        }
        .btn-outline-custom {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 12px 28px;
            background: transparent;
            color: var(--color-text-strong);
            font-weight: 600;
            font-size: 1rem;
            border-radius: var(--radius-full);
            border: 2px solid var(--color-border-light);
            cursor: pointer;
            transition: all var(--transition-base);
            text-decoration: none;
        }
        .btn-outline-custom:hover {
            border-color: var(--color-primary-light);
            color: var(--color-primary-light);
            background: rgba(230, 57, 70, 0.06);
        }
        .btn-accent-custom {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 13px 30px;
            background: linear-gradient(135deg, var(--color-accent), var(--color-accent-dark));
            color: #1a1a1a;
            font-weight: 700;
            font-size: 1rem;
            border-radius: var(--radius-full);
            border: none;
            cursor: pointer;
            transition: all var(--transition-base);
            box-shadow: var(--shadow-glow-accent);
            text-decoration: none;
        }
        .btn-accent-custom:hover {
            transform: translateY(-3px);
            box-shadow: 0 0 40px rgba(244, 162, 97, 0.5);
            color: #1a1a1a;
        }

        /* ========== SECTION ========== */
        .section-padding {
            padding: 80px 0;
        }
        .section-header {
            text-align: center;
            margin-bottom: 52px;
        }
        .section-header h2 {
            font-family: var(--font-heading);
            font-size: 2.3rem;
            font-weight: 700;
            color: var(--color-text-strong);
            margin-bottom: 12px;
            letter-spacing: -0.01em;
        }
        .section-header .section-subtitle {
            color: var(--color-text-weak);
            font-size: 1.05rem;
            max-width: 560px;
            margin: 0 auto;
        }
        .section-label {
            display: inline-block;
            font-size: 0.8rem;
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 0.08em;
            color: var(--color-primary-light);
            margin-bottom: 8px;
        }

        /* ========== CARDS ========== */
        .card-custom {
            background: var(--color-bg-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-md);
            padding: 32px 26px;
            transition: all var(--transition-base);
            height: 100%;
            position: relative;
            overflow: hidden;
        }
        .card-custom:hover {
            border-color: var(--color-border-light);
            box-shadow: var(--shadow-md);
            transform: translateY(-4px);
        }
        .card-custom::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 3px;
            background: linear-gradient(90deg, var(--color-primary), var(--color-accent));
            opacity: 0;
            transition: opacity var(--transition-base);
        }
        .card-custom:hover::before {
            opacity: 1;
        }
        .card-icon-wrap {
            width: 56px;
            height: 56px;
            border-radius: var(--radius-md);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.5rem;
            margin-bottom: 18px;
            background: rgba(230, 57, 70, 0.12);
            color: var(--color-primary-light);
            transition: all var(--transition-base);
        }
        .card-custom:hover .card-icon-wrap {
            background: var(--color-primary);
            color: #fff;
            box-shadow: var(--shadow-glow);
        }
        .card-custom h3 {
            font-family: var(--font-heading);
            font-size: 1.2rem;
            font-weight: 700;
            color: var(--color-text-strong);
            margin-bottom: 10px;
        }
        .card-custom p {
            color: var(--color-text-weak);
            font-size: 0.93rem;
            margin-bottom: 0;
            line-height: 1.65;
        }

        /* ========== SPORT TYPE CARDS ========== */
        .sport-type-card {
            background: var(--color-bg-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-lg);
            overflow: hidden;
            transition: all var(--transition-base);
            height: 100%;
        }
        .sport-type-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-5px);
            border-color: var(--color-border-light);
        }
        .sport-type-card .card-img-wrap {
            position: relative;
            overflow: hidden;
            aspect-ratio: 16 / 9;
        }
        .sport-type-card .card-img-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-slow);
        }
        .sport-type-card:hover .card-img-wrap img {
            transform: scale(1.06);
        }
        .sport-type-card .card-img-overlay-tag {
            position: absolute;
            top: 14px;
            left: 14px;
            background: rgba(0, 0, 0, 0.7);
            backdrop-filter: blur(6px);
            color: var(--color-accent);
            font-size: 0.8rem;
            font-weight: 700;
            padding: 5px 13px;
            border-radius: var(--radius-full);
            letter-spacing: 0.04em;
        }
        .sport-type-card .card-body-custom {
            padding: 20px 18px;
        }
        .sport-type-card .card-body-custom h4 {
            font-family: var(--font-heading);
            font-weight: 700;
            font-size: 1.1rem;
            color: var(--color-text-strong);
            margin-bottom: 6px;
        }
        .sport-type-card .card-body-custom .card-meta {
            font-size: 0.82rem;
            color: var(--color-text-muted);
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .live-dot {
            display: inline-block;
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: var(--color-success);
            animation: pulse-dot 1.6s infinite;
        }
        @keyframes pulse-dot {
            0%,
            100% {
                box-shadow: 0 0 0 0 rgba(46, 204, 113, 0.6);
            }
            50% {
                box-shadow: 0 0 0 10px rgba(46, 204, 113, 0);
            }
        }

        /* ========== PROCESS / TIMELINE ========== */
        .process-row {
            display: flex;
            gap: 30px;
            flex-wrap: wrap;
            justify-content: center;
        }
        .process-step {
            flex: 1 1 220px;
            max-width: 260px;
            text-align: center;
            position: relative;
        }
        .process-step .step-num {
            width: 52px;
            height: 52px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
            color: #fff;
            font-weight: 800;
            font-size: 1.3rem;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 16px;
            box-shadow: var(--shadow-glow);
        }
        .process-step h4 {
            font-weight: 700;
            color: var(--color-text-strong);
            margin-bottom: 6px;
            font-size: 1.05rem;
        }
        .process-step p {
            color: var(--color-text-weak);
            font-size: 0.88rem;
        }

        /* ========== FEATURE HIGHLIGHT ========== */
        .feature-highlight-block {
            background: var(--color-bg-alt);
            border-radius: var(--radius-xl);
            padding: 50px 40px;
            border: 1px solid var(--color-border);
            display: flex;
            gap: 40px;
            align-items: center;
            flex-wrap: wrap;
        }
        .feature-highlight-block .fh-image {
            flex: 1 1 320px;
            border-radius: var(--radius-md);
            overflow: hidden;
        }
        .feature-highlight-block .fh-image img {
            width: 100%;
            height: auto;
            border-radius: var(--radius-md);
            transition: transform var(--transition-slow);
        }
        .feature-highlight-block:hover .fh-image img {
            transform: scale(1.03);
        }
        .feature-highlight-block .fh-text {
            flex: 1 1 320px;
        }
        .feature-highlight-block .fh-text h3 {
            font-family: var(--font-heading);
            font-size: 1.7rem;
            font-weight: 700;
            color: var(--color-text-strong);
            margin-bottom: 14px;
        }
        .feature-highlight-block .fh-text p {
            color: var(--color-text-weak);
            line-height: 1.75;
            margin-bottom: 20px;
        }
        .feature-list {
            list-style: none;
            padding: 0;
        }
        .feature-list li {
            padding: 7px 0;
            color: var(--color-text-weak);
            display: flex;
            align-items: flex-start;
            gap: 10px;
            font-size: 0.95rem;
        }
        .feature-list li i {
            color: var(--color-success);
            margin-top: 3px;
            flex-shrink: 0;
        }

        /* ========== FAQ ========== */
        .faq-wrap {
            max-width: 800px;
            margin: 0 auto;
        }
        .faq-item {
            background: var(--color-bg-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-md);
            margin-bottom: 14px;
            overflow: hidden;
            transition: all var(--transition-fast);
        }
        .faq-item:hover {
            border-color: var(--color-border-light);
        }
        .faq-question {
            width: 100%;
            text-align: left;
            padding: 18px 24px;
            font-weight: 600;
            font-size: 1rem;
            color: var(--color-text-strong);
            background: transparent;
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 14px;
            transition: background var(--transition-fast);
        }
        .faq-question:hover {
            background: rgba(255, 255, 255, 0.03);
        }
        .faq-question i {
            transition: transform var(--transition-base);
            color: var(--color-text-muted);
            font-size: 0.85rem;
            flex-shrink: 0;
        }
        .faq-item.open .faq-question i {
            transform: rotate(180deg);
            color: var(--color-primary-light);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-base), padding var(--transition-base);
        }
        .faq-item.open .faq-answer {
            max-height: 300px;
            padding: 0 24px 18px;
        }
        .faq-answer p {
            color: var(--color-text-weak);
            font-size: 0.93rem;
            line-height: 1.7;
            margin: 0;
        }

        /* ========== CTA SECTION ========== */
        .cta-section {
            position: relative;
            background: url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
            border-radius: var(--radius-xl);
            overflow: hidden;
            margin: 60px 20px 0;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(13, 17, 23, 0.9) 0%, rgba(22, 27, 34, 0.85) 100%);
            z-index: 1;
        }
        .cta-section .cta-inner {
            position: relative;
            z-index: 2;
            text-align: center;
            padding: 60px 30px;
        }
        .cta-section h2 {
            font-family: var(--font-heading);
            font-size: 2.2rem;
            font-weight: 800;
            color: var(--color-text-strong);
            margin-bottom: 14px;
        }
        .cta-section p {
            color: var(--color-text-weak);
            margin-bottom: 28px;
            font-size: 1.05rem;
            max-width: 500px;
            margin-left: auto;
            margin-right: auto;
        }

        /* ========== FOOTER ========== */
        .site-footer {
            background: var(--color-bg-alt);
            border-top: 1px solid var(--color-border);
            padding: 50px 0 28px;
            margin-top: 0;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr;
            gap: 36px;
            margin-bottom: 32px;
        }
        .footer-brand {
            font-family: var(--font-heading);
            font-size: 1.3rem;
            font-weight: 700;
            color: var(--color-text-strong);
            margin-bottom: 10px;
        }
        .footer-desc {
            color: var(--color-text-weak);
            font-size: 0.9rem;
            line-height: 1.65;
            max-width: 320px;
        }
        .footer-col h4 {
            font-weight: 700;
            color: var(--color-text-strong);
            font-size: 0.95rem;
            margin-bottom: 14px;
        }
        .footer-col ul li {
            margin-bottom: 8px;
        }
        .footer-col ul li a {
            color: var(--color-text-weak);
            font-size: 0.9rem;
            transition: color var(--transition-fast);
        }
        .footer-col ul li a:hover {
            color: var(--color-primary-light);
        }
        .footer-bottom {
            text-align: center;
            padding-top: 22px;
            border-top: 1px solid var(--color-border);
            color: var(--color-text-muted);
            font-size: 0.82rem;
        }

        /* ========== RESPONSIVE ========== */
        @media (max-width: 1024px) {
            .hero-category h1 {
                font-size: 2.5rem;
            }
            .hero-stats-row {
                gap: 24px;
            }
            .hero-stat-item .stat-num {
                font-size: 1.8rem;
            }
            .section-header h2 {
                font-size: 1.9rem;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 28px;
            }
            .feature-highlight-block {
                padding: 36px 28px;
                gap: 28px;
            }
        }

        @media (max-width: 768px) {
            :root {
                --nav-height: 60px;
            }
            .navbar-toggler {
                display: block;
            }
            .nav-links {
                position: fixed;
                top: var(--nav-height);
                left: 0;
                right: 0;
                background: rgba(13, 17, 23, 0.97);
                backdrop-filter: blur(20px);
                -webkit-backdrop-filter: blur(20px);
                flex-direction: column;
                align-items: stretch;
                padding: 14px 20px;
                gap: 4px;
                border-bottom: 1px solid var(--color-border);
                box-shadow: var(--shadow-lg);
                transform: translateY(-120%);
                opacity: 0;
                transition: all var(--transition-base);
                z-index: 1049;
            }
            .nav-links.show {
                transform: translateY(0);
                opacity: 1;
            }
            .nav-links li a {
                display: block;
                text-align: center;
                padding: 12px 16px;
                border-radius: var(--radius-sm);
                font-size: 1rem;
            }
            .hero-category {
                min-height: 460px;
                padding: 110px 16px 60px;
            }
            .hero-category h1 {
                font-size: 2rem;
            }
            .hero-category .hero-subtitle {
                font-size: 1rem;
            }
            .hero-stats-row {
                gap: 18px;
            }
            .hero-stat-item .stat-num {
                font-size: 1.5rem;
            }
            .section-padding {
                padding: 50px 0;
            }
            .section-header h2 {
                font-size: 1.6rem;
            }
            .process-row {
                gap: 20px;
            }
            .process-step {
                max-width: 100%;
                flex: 1 1 140px;
            }
            .feature-highlight-block {
                padding: 28px 20px;
                gap: 20px;
            }
            .feature-highlight-block .fh-text h3 {
                font-size: 1.35rem;
            }
            .cta-section {
                margin: 40px 12px 0;
                border-radius: var(--radius-lg);
            }
            .cta-section .cta-inner {
                padding: 40px 18px;
            }
            .cta-section h2 {
                font-size: 1.6rem;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 22px;
            }
            .footer-desc {
                max-width: 100%;
            }
        }

        @media (max-width: 520px) {
            .hero-category h1 {
                font-size: 1.65rem;
            }
            .hero-category .hero-subtitle {
                font-size: 0.9rem;
            }
            .hero-stats-row {
                flex-direction: column;
                gap: 14px;
            }
            .btn-primary-custom,
            .btn-outline-custom,
            .btn-accent-custom {
                padding: 11px 22px;
                font-size: 0.9rem;
            }
            .card-custom {
                padding: 22px 16px;
            }
            .sport-type-card .card-body-custom {
                padding: 14px 12px;
            }
            .section-header h2 {
                font-size: 1.4rem;
            }
            .process-step .step-num {
                width: 42px;
                height: 42px;
                font-size: 1.1rem;
            }
            .faq-question {
                padding: 14px 16px;
                font-size: 0.9rem;
            }
            .faq-item.open .faq-answer {
                padding: 0 16px 14px;
            }
        }

/* roulang page: article */
:root {
            --primary: #e63946;
            --primary-dark: #c5303c;
            --primary-light: #ff6b6b;
            --accent: #f0a500;
            --accent-dark: #d49000;
            --success: #2a9d8f;
            --dark: #1a1a2e;
            --dark-secondary: #16213e;
            --dark-tertiary: #0f3460;
            --light: #f8f9fa;
            --white: #ffffff;
            --gray-100: #f1f3f5;
            --gray-200: #e9ecef;
            --gray-300: #dee2e6;
            --gray-400: #ced4da;
            --gray-500: #adb5bd;
            --gray-600: #6c757d;
            --gray-700: #495057;
            --gray-800: #343a40;
            --gray-900: #212529;
            --text: #2c3e50;
            --text-light: #6c757d;
            --text-muted: #95a5a6;
            --border: #e0e5ec;
            --radius-sm: 8px;
            --radius: 12px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.06);
            --shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
            --shadow-lg: 0 8px 40px rgba(0, 0, 0, 0.12);
            --shadow-xl: 0 16px 56px rgba(0, 0, 0, 0.16);
            --transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
            --font-heading: 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', -apple-system, sans-serif;
            --font-body: 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', -apple-system, sans-serif;
            --section-gap: 80px;
        }

        *,
        *::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);
            font-size: 16px;
            line-height: 1.7;
            color: var(--text);
            background-color: var(--light);
            overflow-x: hidden;
            margin: 0;
            padding: 0;
        }

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

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

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

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

        h1, h2, h3, h4, h5, h6 {
            font-family: var(--font-heading);
            font-weight: 700;
            line-height: 1.35;
            color: var(--dark);
            margin-top: 0;
        }

        .container-custom {
            width: 100%;
            max-width: 1200px;
            margin-left: auto;
            margin-right: auto;
            padding-left: 20px;
            padding-right: 20px;
        }

        @media (max-width: 768px) {
            .container-custom {
                padding-left: 16px;
                padding-right: 16px;
            }
            :root {
                --section-gap: 50px;
            }
        }

        /* ========== 导航栏 ========== */
        .navbar-custom {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1050;
            background: rgba(26, 26, 46, 0.92);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
            padding: 0;
            height: 68px;
            display: flex;
            align-items: center;
            transition: all var(--transition);
        }

        .navbar-custom.scrolled {
            background: rgba(26, 26, 46, 0.98);
            box-shadow: 0 4px 30px rgba(0, 0, 0, 0.3);
            height: 60px;
        }

        .navbar-custom .container-custom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 100%;
        }

        .navbar-brand-custom {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.25rem;
            font-weight: 700;
            color: #ffffff !important;
            letter-spacing: 0.5px;
            white-space: nowrap;
            font-family: var(--font-heading);
        }

        .navbar-brand-custom .brand-icon {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 38px;
            height: 38px;
            background: linear-gradient(135deg, var(--primary), #ff6b3d);
            border-radius: 10px;
            font-size: 1rem;
            color: #fff;
            box-shadow: 0 4px 14px rgba(230, 57, 70, 0.4);
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 6px;
            list-style: none;
            margin: 0;
            padding: 0;
        }

        .nav-links li a {
            display: inline-flex;
            align-items: center;
            padding: 8px 18px;
            font-size: 0.95rem;
            font-weight: 500;
            color: rgba(255, 255, 255, 0.78);
            border-radius: 8px;
            transition: all var(--transition);
            white-space: nowrap;
            position: relative;
        }

        .nav-links li a:hover {
            color: #ffffff;
            background: rgba(255, 255, 255, 0.08);
        }

        .nav-links li a.active {
            color: #ffffff;
            background: rgba(230, 57, 70, 0.2);
            font-weight: 600;
        }

        .nav-links li a.active::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 50%;
            transform: translateX(-50%);
            width: 20px;
            height: 3px;
            background: var(--primary);
            border-radius: 2px;
        }

        .nav-cta-btn {
            background: linear-gradient(135deg, var(--primary), #ff5a3c) !important;
            color: #ffffff !important;
            padding: 10px 22px !important;
            border-radius: 24px !important;
            font-weight: 600 !important;
            box-shadow: 0 4px 16px rgba(230, 57, 70, 0.35);
            transition: all var(--transition) !important;
            gap: 6px;
        }

        .nav-cta-btn:hover {
            background: linear-gradient(135deg, #d5303c, #e84830) !important;
            box-shadow: 0 6px 22px rgba(230, 57, 70, 0.5) !important;
            transform: translateY(-2px);
            color: #ffffff !important;
        }

        .navbar-toggler {
            background: rgba(255, 255, 255, 0.1);
            border: 1px solid rgba(255, 255, 255, 0.2);
            color: #ffffff;
            width: 42px;
            height: 42px;
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.3rem;
            transition: all var(--transition);
        }

        .navbar-toggler:hover {
            background: rgba(255, 255, 255, 0.18);
        }

        @media (max-width: 991px) {
            .nav-links {
                position: fixed;
                top: 68px;
                left: 0;
                right: 0;
                background: rgba(26, 26, 46, 0.97);
                backdrop-filter: blur(20px);
                -webkit-backdrop-filter: blur(20px);
                flex-direction: column;
                padding: 20px;
                gap: 4px;
                transform: translateY(-110%);
                opacity: 0;
                transition: all 0.35s cubic-bezier(0.4, 0, 0.2, 1);
                border-bottom: 1px solid rgba(255, 255, 255, 0.08);
                box-shadow: 0 8px 40px rgba(0, 0, 0, 0.3);
                z-index: 1049;
            }
            .nav-links.show {
                transform: translateY(0);
                opacity: 1;
            }
            .nav-links li {
                width: 100%;
            }
            .nav-links li a {
                display: block;
                width: 100%;
                padding: 14px 20px;
                font-size: 1.05rem;
                border-radius: 10px;
            }
            .nav-cta-btn {
                text-align: center;
                margin-top: 8px;
                border-radius: 12px !important;
            }
        }

        /* ========== 文章Banner ========== */
        .article-banner {
            position: relative;
            padding: 120px 0 60px;
            background: linear-gradient(170deg, #1a1a2e 0%, #16213e 40%, #0f3460 100%);
            overflow: hidden;
            text-align: center;
            color: #ffffff;
        }

        .article-banner::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-1.png') center/cover no-repeat;
            opacity: 0.18;
            z-index: 0;
        }

        .article-banner::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            height: 120px;
            background: linear-gradient(to top, rgba(26, 26, 46, 0.95), transparent);
            z-index: 1;
        }

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

        .article-category-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: rgba(240, 165, 0, 0.2);
            border: 1px solid rgba(240, 165, 0, 0.35);
            color: var(--accent);
            padding: 6px 16px;
            border-radius: 20px;
            font-size: 0.85rem;
            font-weight: 600;
            margin-bottom: 16px;
            backdrop-filter: blur(6px);
        }

        .article-banner h1 {
            font-size: 2.2rem;
            font-weight: 800;
            color: #ffffff;
            margin-bottom: 12px;
            letter-spacing: 0.5px;
            line-height: 1.4;
        }

        .article-meta-top {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 20px;
            flex-wrap: wrap;
            font-size: 0.9rem;
            color: rgba(255, 255, 255, 0.7);
        }

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

        .article-meta-top i {
            color: var(--accent);
            font-size: 0.85rem;
        }

        @media (max-width: 768px) {
            .article-banner {
                padding: 100px 0 40px;
            }
            .article-banner h1 {
                font-size: 1.5rem;
            }
            .article-meta-top {
                gap: 12px;
                font-size: 0.8rem;
            }
        }

        /* ========== 面包屑 ========== */
        .breadcrumb-custom {
            padding: 16px 0;
            background: var(--white);
            border-bottom: 1px solid var(--border);
            position: sticky;
            top: 68px;
            z-index: 100;
        }

        .breadcrumb-custom .breadcrumb-inner {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 0.875rem;
            color: var(--gray-600);
            flex-wrap: wrap;
        }

        .breadcrumb-custom a {
            color: var(--primary);
            font-weight: 500;
        }

        .breadcrumb-custom a:hover {
            color: var(--primary-dark);
            text-decoration: underline;
        }

        .breadcrumb-custom .separator {
            color: var(--gray-400);
            font-size: 0.7rem;
        }

        .breadcrumb-custom .current {
            color: var(--gray-700);
            font-weight: 500;
            max-width: 300px;
            overflow: hidden;
            text-overflow: ellipsis;
            white-space: nowrap;
        }

        @media (max-width: 768px) {
            .breadcrumb-custom {
                top: 60px;
            }
        }

        /* ========== 文章主体 ========== */
        .article-main-section {
            padding: 50px 0;
            background: var(--light);
        }

        .article-layout {
            display: grid;
            grid-template-columns: 1fr 320px;
            gap: 40px;
            align-items: start;
        }

        .article-content-card {
            background: var(--white);
            border-radius: var(--radius-lg);
            padding: 40px;
            box-shadow: var(--shadow);
            border: 1px solid var(--border);
            overflow: hidden;
        }

        .article-content-card .article-featured-img {
            width: 100%;
            border-radius: var(--radius);
            margin-bottom: 28px;
            object-fit: cover;
            max-height: 480px;
            box-shadow: var(--shadow-sm);
        }

        .article-body {
            font-size: 1.05rem;
            line-height: 1.85;
            color: var(--text);
            word-break: break-word;
        }

        .article-body h2 {
            font-size: 1.5rem;
            margin-top: 36px;
            margin-bottom: 16px;
            color: var(--dark);
            border-left: 4px solid var(--primary);
            padding-left: 16px;
        }

        .article-body h3 {
            font-size: 1.25rem;
            margin-top: 28px;
            margin-bottom: 12px;
            color: var(--gray-800);
        }

        .article-body p {
            margin-bottom: 18px;
        }

        .article-body ul,
        .article-body ol {
            margin-bottom: 18px;
            padding-left: 24px;
        }

        .article-body li {
            margin-bottom: 8px;
        }

        .article-body blockquote {
            background: var(--gray-100);
            border-left: 4px solid var(--accent);
            padding: 20px 24px;
            margin: 24px 0;
            border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
            color: var(--gray-700);
            font-style: italic;
        }

        .article-body img {
            border-radius: var(--radius);
            margin: 20px 0;
            box-shadow: var(--shadow-sm);
        }

        .article-body a {
            color: var(--primary);
            text-decoration: underline;
            text-underline-offset: 3px;
        }

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

        .article-body table {
            width: 100%;
            border-collapse: collapse;
            margin: 20px 0;
            font-size: 0.95rem;
        }

        .article-body th,
        .article-body td {
            padding: 12px 16px;
            border: 1px solid var(--border);
            text-align: left;
        }

        .article-body th {
            background: var(--gray-100);
            font-weight: 600;
        }

        /* 侧边栏 */
        .article-sidebar {
            position: sticky;
            top: 140px;
        }

        .sidebar-card {
            background: var(--white);
            border-radius: var(--radius-lg);
            padding: 28px;
            box-shadow: var(--shadow);
            border: 1px solid var(--border);
            margin-bottom: 24px;
        }

        .sidebar-card h4 {
            font-size: 1.1rem;
            margin-bottom: 18px;
            color: var(--dark);
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .sidebar-card h4 i {
            color: var(--primary);
        }

        .sidebar-recommend-list {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .sidebar-recommend-list li {
            padding: 12px 0;
            border-bottom: 1px solid var(--gray-200);
            transition: all var(--transition);
        }

        .sidebar-recommend-list li:last-child {
            border-bottom: none;
            padding-bottom: 0;
        }

        .sidebar-recommend-list li a {
            display: flex;
            align-items: flex-start;
            gap: 12px;
            color: var(--text);
            font-weight: 500;
            font-size: 0.9rem;
            transition: all var(--transition);
        }

        .sidebar-recommend-list li a:hover {
            color: var(--primary);
        }

        .sidebar-recommend-list .rec-thumb {
            width: 56px;
            height: 56px;
            border-radius: var(--radius-sm);
            object-fit: cover;
            flex-shrink: 0;
        }

        .sidebar-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }

        .sidebar-tags .tag {
            display: inline-block;
            padding: 5px 14px;
            background: var(--gray-100);
            color: var(--gray-700);
            border-radius: 16px;
            font-size: 0.8rem;
            font-weight: 500;
            transition: all var(--transition);
        }

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

        @media (max-width: 991px) {
            .article-layout {
                grid-template-columns: 1fr;
                gap: 30px;
            }
            .article-sidebar {
                position: static;
            }
            .article-content-card {
                padding: 24px 18px;
            }
            .article-body {
                font-size: 1rem;
            }
        }

        @media (max-width: 520px) {
            .article-content-card {
                padding: 18px 14px;
                border-radius: var(--radius);
            }
            .article-body h2 {
                font-size: 1.25rem;
            }
            .article-body h3 {
                font-size: 1.1rem;
            }
        }

        /* ========== 无文章状态 ========== */
        .not-found-section {
            padding: 100px 0 80px;
            text-align: center;
            min-height: 60vh;
            display: flex;
            align-items: center;
            justify-content: center;
            background: var(--light);
        }

        .not-found-card {
            background: var(--white);
            border-radius: var(--radius-xl);
            padding: 60px 40px;
            box-shadow: var(--shadow-lg);
            max-width: 560px;
            width: 100%;
            border: 1px solid var(--border);
        }

        .not-found-icon {
            width: 90px;
            height: 90px;
            border-radius: 50%;
            background: linear-gradient(135deg, #ffe0e3, #ffcdd2);
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 24px;
            font-size: 2.5rem;
            color: var(--primary);
        }

        .not-found-card h2 {
            font-size: 1.6rem;
            margin-bottom: 12px;
            color: var(--dark);
        }

        .not-found-card p {
            color: var(--gray-600);
            margin-bottom: 28px;
            line-height: 1.7;
        }

        .btn-back-home {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: linear-gradient(135deg, var(--primary), #ff5a3c);
            color: #fff;
            padding: 14px 32px;
            border-radius: 28px;
            font-weight: 600;
            font-size: 1rem;
            transition: all var(--transition);
            box-shadow: 0 6px 22px rgba(230, 57, 70, 0.35);
            border: none;
        }

        .btn-back-home:hover {
            transform: translateY(-3px);
            box-shadow: 0 10px 30px rgba(230, 57, 70, 0.5);
            color: #fff;
        }

        /* ========== CTA区域 ========== */
        .cta-section {
            padding: 70px 0;
            background: linear-gradient(160deg, #1a1a2e 0%, #16213e 50%, #0f3460 100%);
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
            opacity: 0.12;
            z-index: 0;
        }

        .cta-section .cta-inner {
            position: relative;
            z-index: 1;
            text-align: center;
            max-width: 700px;
            margin: 0 auto;
        }

        .cta-section h2 {
            font-size: 2rem;
            font-weight: 800;
            color: #ffffff;
            margin-bottom: 16px;
        }

        .cta-section p {
            font-size: 1.1rem;
            color: rgba(255, 255, 255, 0.75);
            margin-bottom: 32px;
            line-height: 1.7;
        }

        .cta-buttons {
            display: flex;
            gap: 16px;
            justify-content: center;
            flex-wrap: wrap;
        }

        .btn-cta-primary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: linear-gradient(135deg, var(--primary), #ff5a3c);
            color: #fff;
            padding: 15px 36px;
            border-radius: 30px;
            font-weight: 700;
            font-size: 1.05rem;
            transition: all var(--transition);
            box-shadow: 0 8px 28px rgba(230, 57, 70, 0.45);
            border: none;
        }

        .btn-cta-primary:hover {
            transform: translateY(-3px);
            box-shadow: 0 12px 36px rgba(230, 57, 70, 0.6);
            color: #fff;
        }

        .btn-cta-secondary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(255, 255, 255, 0.12);
            color: #fff;
            padding: 15px 36px;
            border-radius: 30px;
            font-weight: 600;
            font-size: 1.05rem;
            transition: all var(--transition);
            border: 1px solid rgba(255, 255, 255, 0.25);
        }

        .btn-cta-secondary:hover {
            background: rgba(255, 255, 255, 0.2);
            color: #fff;
            transform: translateY(-3px);
        }

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

        /* ========== FAQ区域 ========== */
        .faq-section {
            padding: 70px 0;
            background: var(--white);
        }

        .faq-section .section-header {
            text-align: center;
            margin-bottom: 48px;
        }

        .faq-section .section-header h2 {
            font-size: 1.8rem;
            font-weight: 800;
            color: var(--dark);
            margin-bottom: 8px;
        }

        .faq-section .section-header p {
            color: var(--gray-600);
            font-size: 0.95rem;
        }

        .faq-accordion {
            max-width: 800px;
            margin: 0 auto;
        }

        .faq-item {
            background: var(--white);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            margin-bottom: 12px;
            overflow: hidden;
            transition: all var(--transition);
            box-shadow: var(--shadow-sm);
        }

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

        .faq-item .faq-question {
            width: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 20px 24px;
            background: none;
            border: none;
            font-size: 1rem;
            font-weight: 600;
            color: var(--dark);
            text-align: left;
            cursor: pointer;
            transition: all var(--transition);
            gap: 16px;
        }

        .faq-item .faq-question i {
            color: var(--primary);
            font-size: 1rem;
            transition: transform var(--transition);
            flex-shrink: 0;
        }

        .faq-item.active .faq-question i {
            transform: rotate(180deg);
        }

        .faq-item .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s cubic-bezier(0.4, 0, 0.2, 1), padding 0.4s ease;
            padding: 0 24px;
            font-size: 0.95rem;
            color: var(--gray-700);
            line-height: 1.75;
        }

        .faq-item.active .faq-answer {
            max-height: 400px;
            padding: 0 24px 20px;
        }

        @media (max-width: 768px) {
            .faq-section .section-header h2 {
                font-size: 1.4rem;
            }
            .faq-item .faq-question {
                padding: 16px 18px;
                font-size: 0.9rem;
            }
            .faq-item .faq-answer {
                padding: 0 18px;
                font-size: 0.85rem;
            }
            .faq-item.active .faq-answer {
                padding: 0 18px 16px;
            }
        }

        /* ========== 相关推荐卡片 ========== */
        .related-section {
            padding: 60px 0;
            background: var(--gray-100);
        }

        .related-section .section-header {
            text-align: center;
            margin-bottom: 40px;
        }

        .related-section .section-header h3 {
            font-size: 1.5rem;
            font-weight: 800;
            color: var(--dark);
        }

        .related-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .related-card {
            background: var(--white);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border);
            transition: all var(--transition);
            display: flex;
            flex-direction: column;
        }

        .related-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-lg);
        }

        .related-card img {
            width: 100%;
            height: 180px;
            object-fit: cover;
        }

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

        .related-card .card-tag {
            font-size: 0.75rem;
            font-weight: 600;
            color: var(--primary);
            text-transform: uppercase;
            letter-spacing: 0.5px;
            margin-bottom: 8px;
        }

        .related-card h5 {
            font-size: 1rem;
            font-weight: 700;
            margin-bottom: 8px;
            color: var(--dark);
            line-height: 1.4;
        }

        .related-card p {
            font-size: 0.85rem;
            color: var(--gray-600);
            line-height: 1.5;
            flex: 1;
        }

        .related-card .card-link {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            margin-top: 12px;
            font-weight: 600;
            font-size: 0.85rem;
            color: var(--primary);
            transition: all var(--transition);
        }

        .related-card .card-link:hover {
            gap: 8px;
            color: var(--primary-dark);
        }

        @media (max-width: 768px) {
            .related-grid {
                grid-template-columns: 1fr;
            }
            .related-card img {
                height: 200px;
            }
        }

        /* ========== 页脚 ========== */
        .site-footer {
            background: #14142b;
            color: rgba(255, 255, 255, 0.7);
            padding: 56px 0 28px;
            font-size: 0.9rem;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 36px;
        }

        .footer-brand {
            font-size: 1.3rem;
            font-weight: 700;
            color: #ffffff;
            margin-bottom: 12px;
            font-family: var(--font-heading);
        }

        .footer-desc {
            line-height: 1.7;
            color: rgba(255, 255, 255, 0.55);
            max-width: 360px;
        }

        .footer-col h4 {
            font-size: 1rem;
            font-weight: 700;
            color: #ffffff;
            margin-bottom: 16px;
        }

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

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

        .footer-col ul li a {
            color: rgba(255, 255, 255, 0.6);
            transition: color var(--transition);
        }

        .footer-col ul li a:hover {
            color: #ffffff;
        }

        .footer-col ul li a i {
            margin-right: 8px;
            color: var(--accent);
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding-top: 20px;
            text-align: center;
            font-size: 0.8rem;
            color: rgba(255, 255, 255, 0.4);
        }

        @media (max-width: 768px) {
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            .footer-desc {
                max-width: 100%;
            }
        }

        /* ========== 通用工具类 ========== */
        .text-primary {
            color: var(--primary) !important;
        }
        .text-accent {
            color: var(--accent) !important;
        }
        .fw-700 {
            font-weight: 700 !important;
        }
        .fw-800 {
            font-weight: 800 !important;
        }
        .mt-0 {
            margin-top: 0 !important;
        }
        .mb-0 {
            margin-bottom: 0 !important;
        }

/* roulang page: category2 */
:root {
            --color-bg-primary: #080c14;
            --color-bg-secondary: #0f141f;
            --color-bg-card: #141b28;
            --color-bg-card-hover: #1a2233;
            --color-accent: #00d4aa;
            --color-accent-hover: #00e6b8;
            --color-accent-glow: rgba(0, 212, 170, 0.25);
            --color-secondary: #ff6b3d;
            --color-secondary-hover: #ff8059;
            --color-text-primary: #ffffff;
            --color-text-secondary: #b0b8c4;
            --color-text-muted: #6b7280;
            --color-border: #1e2a3a;
            --color-border-light: #253040;
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
            --shadow-md: 0 6px 20px rgba(0, 0, 0, 0.4);
            --shadow-lg: 0 12px 36px rgba(0, 0, 0, 0.5);
            --shadow-glow: 0 0 30px var(--color-accent-glow);
            --transition-fast: 0.2s ease;
            --transition-smooth: 0.35s cubic-bezier(0.4, 0, 0.2, 1);
        }

        *,
        *::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: 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', Arial, sans-serif;
            line-height: 1.7;
            color: var(--color-text-primary);
            background-color: var(--color-bg-primary);
            overflow-x: hidden;
            min-height: 100vh;
            letter-spacing: 0.01em;
        }

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

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

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

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

        .container-custom {
            width: 100%;
            max-width: 1240px;
            margin: 0 auto;
            padding-left: 20px;
            padding-right: 20px;
        }

        @media (max-width: 576px) {
            .container-custom {
                padding-left: 16px;
                padding-right: 16px;
            }
        }

        /* ========== 导航栏 ========== */
        .navbar-custom {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1050;
            background: rgba(8, 12, 20, 0.88);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-bottom: 1px solid var(--color-border);
            transition: all var(--transition-smooth);
            padding: 0;
            height: 68px;
            display: flex;
            align-items: center;
        }

        .navbar-custom .container-custom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 100%;
        }

        .navbar-brand-custom {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.3rem;
            font-weight: 700;
            color: var(--color-text-primary);
            letter-spacing: 0.02em;
            white-space: nowrap;
            transition: color var(--transition-fast);
        }

        .navbar-brand-custom:hover {
            color: var(--color-accent);
        }

        .brand-icon {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 38px;
            height: 38px;
            background: linear-gradient(135deg, var(--color-accent), #00a080);
            border-radius: var(--radius-sm);
            color: #fff;
            font-size: 1rem;
            box-shadow: var(--shadow-glow);
        }

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

        .nav-links li a {
            display: inline-flex;
            align-items: center;
            padding: 10px 18px;
            font-size: 0.95rem;
            font-weight: 500;
            color: var(--color-text-secondary);
            border-radius: 25px;
            transition: all var(--transition-fast);
            white-space: nowrap;
        }

        .nav-links li a:hover {
            color: var(--color-text-primary);
            background: rgba(255, 255, 255, 0.04);
        }

        .nav-links li a.active {
            color: var(--color-accent);
            background: rgba(0, 212, 170, 0.1);
            font-weight: 600;
        }

        .nav-cta-btn {
            display: inline-flex !important;
            align-items: center;
            gap: 7px;
            padding: 10px 22px !important;
            background: linear-gradient(135deg, var(--color-accent), #00b890) !important;
            color: #000 !important;
            font-weight: 700 !important;
            border-radius: 25px !important;
            font-size: 0.9rem !important;
            transition: all var(--transition-smooth) !important;
            box-shadow: 0 4px 15px rgba(0, 212, 170, 0.3);
        }

        .nav-cta-btn:hover {
            background: linear-gradient(135deg, var(--color-accent-hover), #00d4a0) !important;
            transform: translateY(-2px);
            box-shadow: 0 6px 22px rgba(0, 212, 170, 0.45);
        }

        .navbar-toggler {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 42px;
            height: 42px;
            color: var(--color-text-primary);
            font-size: 1.4rem;
            border-radius: var(--radius-sm);
            border: 1px solid var(--color-border);
            transition: all var(--transition-fast);
            background: var(--color-bg-card);
        }

        .navbar-toggler:hover {
            border-color: var(--color-accent);
            color: var(--color-accent);
        }

        @media (max-width: 991.98px) {
            .nav-links {
                position: fixed;
                top: 68px;
                left: 0;
                right: 0;
                flex-direction: column;
                background: rgba(8, 12, 20, 0.97);
                backdrop-filter: blur(20px);
                -webkit-backdrop-filter: blur(20px);
                border-bottom: 1px solid var(--color-border);
                padding: 16px 20px;
                gap: 4px;
                transform: translateY(-120%);
                opacity: 0;
                transition: all var(--transition-smooth);
                z-index: 1049;
                pointer-events: none;
            }
            .nav-links.show {
                transform: translateY(0);
                opacity: 1;
                pointer-events: all;
            }
            .nav-links li {
                width: 100%;
            }
            .nav-links li a {
                width: 100%;
                justify-content: center;
                padding: 13px 18px;
                border-radius: var(--radius-md);
                font-size: 1rem;
            }
            .nav-cta-btn {
                margin-top: 6px;
            }
        }

        @media (min-width: 992px) {
            .navbar-toggler {
                display: none !important;
            }
        }

        /* ========== Hero 板块 ========== */
        .hero-section {
            position: relative;
            min-height: 600px;
            display: flex;
            align-items: center;
            padding-top: 100px;
            padding-bottom: 80px;
            overflow: hidden;
            background: var(--color-bg-primary);
        }

        .hero-bg-image {
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-2.webp') center / cover no-repeat;
            z-index: 0;
            opacity: 0.5;
        }

        .hero-overlay {
            position: absolute;
            inset: 0;
            background: radial-gradient(ellipse at center, rgba(8, 12, 20, 0.3) 0%, rgba(8, 12, 20, 0.85) 70%, rgba(8, 12, 20, 0.95) 100%);
            z-index: 1;
        }

        .hero-section .container-custom {
            position: relative;
            z-index: 2;
            text-align: center;
        }

        .hero-badge {
            display: inline-block;
            padding: 8px 20px;
            background: rgba(0, 212, 170, 0.12);
            border: 1px solid rgba(0, 212, 170, 0.3);
            border-radius: 30px;
            color: var(--color-accent);
            font-size: 0.88rem;
            font-weight: 600;
            letter-spacing: 0.04em;
            margin-bottom: 24px;
        }

        .hero-title {
            font-size: clamp(2.2rem, 5vw, 3.6rem);
            font-weight: 800;
            line-height: 1.2;
            margin-bottom: 20px;
            color: var(--color-text-primary);
            letter-spacing: 0.02em;
        }

        .hero-title .highlight {
            background: linear-gradient(135deg, var(--color-accent), #60f0d0);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .hero-subtitle {
            font-size: 1.15rem;
            color: var(--color-text-secondary);
            max-width: 680px;
            margin: 0 auto 36px;
            line-height: 1.8;
        }

        .hero-cta-group {
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
            justify-content: center;
        }

        .btn-primary-custom {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 14px 32px;
            background: linear-gradient(135deg, var(--color-accent), #00b890);
            color: #000;
            font-weight: 700;
            font-size: 1rem;
            border-radius: 30px;
            border: none;
            transition: all var(--transition-smooth);
            box-shadow: 0 6px 24px rgba(0, 212, 170, 0.35);
            text-decoration: none;
            letter-spacing: 0.02em;
        }

        .btn-primary-custom:hover {
            transform: translateY(-3px);
            box-shadow: 0 10px 30px rgba(0, 212, 170, 0.5);
            color: #000;
            background: linear-gradient(135deg, var(--color-accent-hover), #00d4a0);
        }

        .btn-outline-custom {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 14px 32px;
            background: transparent;
            color: var(--color-text-primary);
            font-weight: 600;
            font-size: 1rem;
            border-radius: 30px;
            border: 2px solid var(--color-border-light);
            transition: all var(--transition-smooth);
            text-decoration: none;
            letter-spacing: 0.02em;
        }

        .btn-outline-custom:hover {
            border-color: var(--color-accent);
            color: var(--color-accent);
            background: rgba(0, 212, 170, 0.05);
        }

        @media (max-width: 768px) {
            .hero-section {
                min-height: 500px;
                padding-top: 90px;
                padding-bottom: 60px;
            }
        }

        /* ========== 板块通用 ========== */
        .section-block {
            padding: 80px 0;
        }

        .section-block.alt-bg {
            background: var(--color-bg-secondary);
        }

        .section-header {
            text-align: center;
            margin-bottom: 52px;
        }

        .section-label {
            display: inline-block;
            font-size: 0.85rem;
            font-weight: 700;
            color: var(--color-accent);
            text-transform: uppercase;
            letter-spacing: 0.08em;
            margin-bottom: 12px;
        }

        .section-title {
            font-size: clamp(1.7rem, 3.5vw, 2.4rem);
            font-weight: 700;
            color: var(--color-text-primary);
            margin-bottom: 14px;
            letter-spacing: 0.02em;
        }

        .section-desc {
            font-size: 1.05rem;
            color: var(--color-text-secondary);
            max-width: 620px;
            margin: 0 auto;
            line-height: 1.7;
        }

        @media (max-width: 768px) {
            .section-block {
                padding: 56px 0;
            }
            .section-header {
                margin-bottom: 36px;
            }
        }

        /* ========== 卡片网格 ========== */
        .card-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .info-card {
            background: var(--color-bg-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-lg);
            overflow: hidden;
            transition: all var(--transition-smooth);
            display: flex;
            flex-direction: column;
        }

        .info-card:hover {
            border-color: var(--color-accent);
            background: var(--color-bg-card-hover);
            transform: translateY(-6px);
            box-shadow: var(--shadow-lg), 0 0 40px rgba(0, 212, 170, 0.08);
        }

        .info-card-img {
            width: 100%;
            height: 200px;
            object-fit: cover;
            display: block;
        }

        .info-card-body {
            padding: 22px 20px 24px;
            flex: 1;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .info-card-tag {
            display: inline-block;
            font-size: 0.78rem;
            font-weight: 600;
            color: var(--color-accent);
            background: rgba(0, 212, 170, 0.1);
            padding: 4px 12px;
            border-radius: 20px;
            width: fit-content;
            letter-spacing: 0.03em;
        }

        .info-card-title {
            font-size: 1.15rem;
            font-weight: 700;
            color: var(--color-text-primary);
            line-height: 1.4;
        }

        .info-card-desc {
            font-size: 0.9rem;
            color: var(--color-text-secondary);
            line-height: 1.6;
            flex: 1;
        }

        @media (max-width: 991.98px) {
            .card-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 576px) {
            .card-grid {
                grid-template-columns: 1fr;
                gap: 18px;
            }
            .info-card-img {
                height: 180px;
            }
        }

        /* ========== 数据统计 ========== */
        .stats-row {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }

        .stat-card {
            background: var(--color-bg-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-lg);
            padding: 32px 20px;
            text-align: center;
            transition: all var(--transition-smooth);
        }

        .stat-card:hover {
            border-color: var(--color-accent);
            box-shadow: var(--shadow-md);
        }

        .stat-number {
            font-size: 2.6rem;
            font-weight: 800;
            color: var(--color-accent);
            line-height: 1;
            margin-bottom: 8px;
            letter-spacing: 0.02em;
        }

        .stat-label {
            font-size: 0.9rem;
            color: var(--color-text-secondary);
            font-weight: 500;
        }

        @media (max-width: 991.98px) {
            .stats-row {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 576px) {
            .stats-row {
                grid-template-columns: repeat(2, 1fr);
                gap: 14px;
            }
            .stat-card {
                padding: 22px 14px;
            }
            .stat-number {
                font-size: 2rem;
            }
        }

        /* ========== 特色列表 ========== */
        .feature-list {
            display: flex;
            flex-direction: column;
            gap: 32px;
        }

        .feature-item {
            display: flex;
            gap: 28px;
            align-items: center;
            background: var(--color-bg-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-lg);
            padding: 28px 30px;
            transition: all var(--transition-smooth);
        }

        .feature-item:hover {
            border-color: var(--color-accent);
            box-shadow: var(--shadow-md);
            transform: translateX(4px);
        }

        .feature-icon-wrap {
            flex-shrink: 0;
            width: 60px;
            height: 60px;
            display: flex;
            align-items: center;
            justify-content: center;
            background: rgba(0, 212, 170, 0.1);
            border-radius: var(--radius-md);
            font-size: 1.5rem;
            color: var(--color-accent);
        }

        .feature-content h3 {
            font-size: 1.15rem;
            font-weight: 700;
            color: var(--color-text-primary);
            margin-bottom: 6px;
        }

        .feature-content p {
            font-size: 0.93rem;
            color: var(--color-text-secondary);
            margin: 0;
            line-height: 1.6;
        }

        @media (max-width: 768px) {
            .feature-item {
                flex-direction: column;
                align-items: flex-start;
                gap: 16px;
                padding: 22px 20px;
            }
            .feature-item:hover {
                transform: none;
            }
        }

        /* ========== 图文区块 ========== */
        .media-block {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: center;
        }

        .media-block.reverse {
            direction: rtl;
        }
        .media-block.reverse>* {
            direction: ltr;
        }

        .media-image-wrap {
            position: relative;
            border-radius: var(--radius-xl);
            overflow: hidden;
            box-shadow: var(--shadow-lg);
        }

        .media-image-wrap img {
            width: 100%;
            height: auto;
            display: block;
            border-radius: var(--radius-xl);
            transition: transform var(--transition-smooth);
        }

        .media-image-wrap:hover img {
            transform: scale(1.03);
        }

        .media-text h3 {
            font-size: 1.6rem;
            font-weight: 700;
            color: var(--color-text-primary);
            margin-bottom: 14px;
            line-height: 1.3;
        }

        .media-text p {
            font-size: 1rem;
            color: var(--color-text-secondary);
            line-height: 1.75;
            margin-bottom: 20px;
        }

        .media-text .btn-primary-custom {
            font-size: 0.9rem;
            padding: 12px 26px;
        }

        @media (max-width: 991.98px) {
            .media-block {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            .media-text h3 {
                font-size: 1.4rem;
            }
        }

        /* ========== FAQ ========== */
        .faq-wrap {
            max-width: 800px;
            margin: 0 auto;
        }

        .accordion-custom .accordion-item {
            background: var(--color-bg-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-md) !important;
            margin-bottom: 12px;
            overflow: hidden;
            transition: all var(--transition-fast);
        }

        .accordion-custom .accordion-item:hover {
            border-color: var(--color-border-light);
        }

        .accordion-custom .accordion-header button {
            background: transparent;
            color: var(--color-text-primary);
            font-weight: 600;
            font-size: 1rem;
            padding: 18px 22px;
            box-shadow: none;
            border: none;
            width: 100%;
            text-align: left;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            transition: color var(--transition-fast);
            border-radius: 0;
        }

        .accordion-custom .accordion-header button::after {
            content: '\f107';
            font-family: 'Font Awesome 6 Free';
            font-weight: 900;
            font-size: 1rem;
            color: var(--color-text-muted);
            transition: transform var(--transition-smooth);
            flex-shrink: 0;
        }

        .accordion-custom .accordion-header button:not(.collapsed) {
            color: var(--color-accent);
            background: rgba(0, 212, 170, 0.04);
        }

        .accordion-custom .accordion-header button:not(.collapsed)::after {
            transform: rotate(180deg);
            color: var(--color-accent);
        }

        .accordion-custom .accordion-header button:focus {
            box-shadow: none;
            outline: 2px solid var(--color-accent);
            outline-offset: -2px;
            border-radius: var(--radius-md);
        }

        .accordion-custom .accordion-body {
            padding: 6px 22px 20px;
            color: var(--color-text-secondary);
            font-size: 0.93rem;
            line-height: 1.7;
            background: transparent;
        }

        /* ========== CTA 板块 ========== */
        .cta-section {
            background: var(--color-bg-secondary);
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            top: -60px;
            right: -80px;
            width: 300px;
            height: 300px;
            background: radial-gradient(circle, rgba(0, 212, 170, 0.15) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        .cta-inner {
            text-align: center;
            position: relative;
            z-index: 1;
            padding: 20px 0;
        }

        .cta-inner h2 {
            font-size: clamp(1.8rem, 4vw, 2.6rem);
            font-weight: 700;
            color: var(--color-text-primary);
            margin-bottom: 16px;
        }

        .cta-inner p {
            font-size: 1.05rem;
            color: var(--color-text-secondary);
            max-width: 560px;
            margin: 0 auto 30px;
            line-height: 1.7;
        }

        @media (max-width: 576px) {
            .cta-section::before {
                width: 180px;
                height: 180px;
                top: -30px;
                right: -40px;
            }
        }

        /* ========== 页脚 ========== */
        .site-footer {
            background: var(--color-bg-primary);
            border-top: 1px solid var(--color-border);
            padding: 56px 0 30px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 36px;
        }

        .footer-brand {
            font-size: 1.3rem;
            font-weight: 700;
            color: var(--color-text-primary);
            margin-bottom: 12px;
        }

        .footer-desc {
            font-size: 0.9rem;
            color: var(--color-text-secondary);
            line-height: 1.7;
            max-width: 360px;
        }

        .footer-col h4 {
            font-size: 0.95rem;
            font-weight: 700;
            color: var(--color-text-primary);
            margin-bottom: 14px;
            letter-spacing: 0.03em;
        }

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

        .footer-col ul li a {
            font-size: 0.9rem;
            color: var(--color-text-secondary);
            transition: color var(--transition-fast);
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }

        .footer-col ul li a:hover {
            color: var(--color-accent);
        }

        .footer-bottom {
            border-top: 1px solid var(--color-border);
            padding-top: 18px;
            text-align: center;
            font-size: 0.84rem;
            color: var(--color-text-muted);
        }

        @media (max-width: 768px) {
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            .footer-desc {
                max-width: 100%;
            }
        }

        /* ========== 通用工具类 ========== */
        .text-accent {
            color: var(--color-accent);
        }

        .mt-0 {
            margin-top: 0;
        }

        .mb-0 {
            margin-bottom: 0;
        }

        /* 焦点可见 */
        a:focus-visible,
        button:focus-visible {
            outline: 2px solid var(--color-accent);
            outline-offset: 3px;
            border-radius: 4px;
        }

        /* 页面载入动画 */
        @keyframes fadeInUp {
            from {
                opacity: 0;
                transform: translateY(28px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

        .section-block {
            animation: fadeInUp 0.7s ease forwards;
        }