/* roulang page: index */
:root {
            --primary: #1a3c2a;
            --primary-light: #2d5a3f;
            --accent: #d4a843;
            --accent-light: #e8c776;
            --accent-dark: #b8912e;
            --bg: #f8f6f1;
            --bg-white: #ffffff;
            --bg-dark: #0f1f16;
            --text: #1a1a1a;
            --text-weak: #6b7280;
            --text-light: #9ca3af;
            --border: #e5e0d8;
            --border-light: #f0ece4;
            --shadow-sm: 0 1px 3px rgba(15,31,22,0.06);
            --shadow: 0 4px 16px rgba(15,31,22,0.08);
            --shadow-lg: 0 12px 40px rgba(15,31,22,0.12);
            --shadow-xl: 0 20px 60px rgba(15,31,22,0.16);
            --radius-sm: 8px;
            --radius: 14px;
            --radius-lg: 20px;
            --radius-xl: 28px;
            --transition: 0.25s cubic-bezier(0.4,0,0.2,1);
            --font-sans: 'Segoe UI','PingFang SC','Microsoft YaHei','Helvetica Neue',sans-serif;
            --max-width: 1200px;
            --header-height: 72px;
            --bottom-tab-height: 64px;
        }

        *,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
        html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
        body{
            font-family:var(--font-sans);
            font-size:16px;
            line-height:1.7;
            color:var(--text);
            background:var(--bg);
            -webkit-font-smoothing:antialiased;
            -moz-osx-font-smoothing:grayscale;
            padding-bottom:0;
        }
        a{text-decoration:none;color:inherit;transition:color var(--transition)}
        img{max-width:100%;height:auto;display:block}
        button,input,select,textarea{font-family:inherit;font-size:inherit}
        ul,ol{list-style:none}
        h1,h2,h3,h4,h5,h6{line-height:1.3;font-weight:700;color:var(--text)}
        h1{font-size:clamp(2rem,4vw,3rem)}
        h2{font-size:clamp(1.5rem,3vw,2rem)}
        h3{font-size:clamp(1.15rem,2vw,1.35rem)}
        .container{max-width:var(--max-width);margin:0 auto;padding:0 24px}

        /* Header */
        .site-header{
            position:sticky;top:0;z-index:100;
            background:rgba(255,255,255,0.92);
            backdrop-filter:blur(16px);
            -webkit-backdrop-filter:blur(16px);
            border-bottom:1px solid var(--border-light);
            height:var(--header-height);
            display:flex;align-items:center;
            transition:box-shadow var(--transition);
        }
        .site-header.scrolled{box-shadow:var(--shadow-sm)}
        .header-inner{
            display:flex;align-items:center;justify-content:space-between;
            width:100%;max-width:var(--max-width);margin:0 auto;padding:0 24px;
        }
        .logo{
            font-size:1.5rem;font-weight:800;color:var(--primary);
            letter-spacing:-0.02em;display:flex;align-items:center;gap:8px;
            white-space:nowrap;
        }
        .logo i{color:var(--accent);font-size:1.6rem}
        .logo:hover{color:var(--primary-light)}
        .nav-desktop{display:flex;align-items:center;gap:6px}
        .nav-desktop a{
            display:inline-flex;align-items:center;gap:6px;
            padding:10px 18px;border-radius:var(--radius-sm);
            font-weight:600;font-size:0.95rem;color:var(--text);
            transition:all var(--transition);position:relative;
        }
        .nav-desktop a:hover{color:var(--primary);background:rgba(26,60,42,0.05)}
        .nav-desktop a.active{
            color:var(--primary);background:rgba(26,60,42,0.08);
            font-weight:700;
        }
        .nav-desktop a .nav-badge{
            font-size:0.7rem;background:var(--accent);color:#fff;
            padding:2px 8px;border-radius:20px;font-weight:700;margin-left:2px;
            animation:pulse-badge 2s infinite;
        }
        @keyframes pulse-badge{0%,100%{opacity:1}50%{opacity:0.75}}
        .header-cta{
            background:var(--accent);color:#1a1a1a!important;
            padding:10px 20px!important;border-radius:var(--radius-sm)!important;
            font-weight:700!important;transition:all var(--transition)!important;
        }
        .header-cta:hover{
            background:var(--accent-dark)!important;color:#fff!important;
            transform:translateY(-1px);box-shadow:var(--shadow);
        }

        /* Mobile bottom tab bar */
        .bottom-tab-bar{
            display:none;
            position:fixed;bottom:0;left:0;right:0;z-index:101;
            background:rgba(255,255,255,0.95);
            backdrop-filter:blur(16px);
            -webkit-backdrop-filter:blur(16px);
            border-top:1px solid var(--border-light);
            height:var(--bottom-tab-height);
            padding:0 12px;
            justify-content:space-around;align-items:center;
            box-shadow:0 -2px 20px rgba(15,31,22,0.08);
        }
        .bottom-tab-bar a,.bottom-tab-bar button{
            display:flex;flex-direction:column;align-items:center;justify-content:center;
            gap:4px;font-size:0.7rem;font-weight:600;color:var(--text-weak);
            padding:6px 12px;border-radius:var(--radius-sm);
            transition:all var(--transition);border:none;background:none;cursor:pointer;
            min-width:56px;text-align:center;
        }
        .bottom-tab-bar a i,.bottom-tab-bar button i{font-size:1.25rem;transition:color var(--transition)}
        .bottom-tab-bar a.active,.bottom-tab-bar button.active{color:var(--primary)}
        .bottom-tab-bar a.active i,.bottom-tab-bar button.active i{color:var(--accent)}
        .bottom-tab-bar a:hover,.bottom-tab-bar button:hover{color:var(--primary)}

        /* Hero */
        .hero{
            position:relative;overflow:hidden;
            background:linear-gradient(135deg,rgba(15,31,22,0.88) 0%,rgba(26,60,42,0.78) 50%,rgba(15,31,22,0.9) 100%),
                       url('/assets/images/backpic/back-1.png') center/cover no-repeat;
            min-height:560px;display:flex;align-items:center;
            padding:80px 0;
        }
        .hero::after{
            content:'';position:absolute;bottom:0;left:0;right:0;height:80px;
            background:linear-gradient(to top,var(--bg),transparent);
            z-index:1;
        }
        .hero .container{position:relative;z-index:2}
        .hero-content{max-width:680px}
        .hero-badge{
            display:inline-flex;align-items:center;gap:8px;
            background:rgba(212,168,67,0.2);border:1px solid rgba(212,168,67,0.4);
            color:var(--accent-light);padding:8px 16px;border-radius:30px;
            font-weight:700;font-size:0.9rem;margin-bottom:20px;
            backdrop-filter:blur(8px);
        }
        .hero-badge .dot{width:8px;height:8px;background:var(--accent);border-radius:50%;animation:blink-dot 1.5s infinite}
        @keyframes blink-dot{0%,100%{opacity:1}50%{opacity:0.3}}
        .hero h1{color:#fff;margin-bottom:18px;font-size:clamp(2.2rem,5vw,3.4rem);letter-spacing:-0.02em}
        .hero h1 span{color:var(--accent-light)}
        .hero-desc{color:rgba(255,255,255,0.85);font-size:1.1rem;line-height:1.8;margin-bottom:32px;max-width:540px}
        .hero-btns{display:flex;flex-wrap:wrap;gap:14px}
        .btn{
            display:inline-flex;align-items:center;gap:8px;
            padding:14px 28px;border-radius:var(--radius);
            font-weight:700;font-size:1rem;cursor:pointer;
            transition:all var(--transition);border:none;
            white-space:nowrap;
        }
        .btn-primary{background:var(--accent);color:#1a1a1a}
        .btn-primary:hover{background:var(--accent-dark);color:#fff;transform:translateY(-2px);box-shadow:var(--shadow-lg)}
        .btn-outline{background:transparent;border:2px solid rgba(255,255,255,0.5);color:#fff}
        .btn-outline:hover{background:#fff;color:var(--primary);border-color:#fff;transform:translateY(-2px);box-shadow:var(--shadow-lg)}
        .btn-sm{padding:10px 20px;font-size:0.9rem;border-radius:var(--radius-sm)}
        .btn-accent{background:var(--accent);color:#1a1a1a;font-weight:700}
        .btn-accent:hover{background:var(--accent-dark);color:#fff;transform:translateY(-1px);box-shadow:var(--shadow)}
        .btn-ghost{background:transparent;border:1.5px solid var(--border);color:var(--text)}
        .btn-ghost:hover{background:var(--primary);color:#fff;border-color:var(--primary)}

        /* Sections */
        .section{padding:72px 0}
        .section-dark{background:var(--bg-dark);color:#fff}
        .section-dark h2,.section-dark h3{color:#fff}
        .section-label{
            display:inline-block;font-size:0.85rem;font-weight:700;text-transform:uppercase;
            letter-spacing:0.08em;color:var(--accent-dark);margin-bottom:8px;
        }
        .section-title{margin-bottom:10px}
        .section-desc{color:var(--text-weak);font-size:1.05rem;max-width:600px;margin-bottom:40px;line-height:1.7}
        .section-header{text-align:center;margin-bottom:48px}
        .section-header .section-label{margin-bottom:10px}

        /* Cards grid */
        .cards-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:24px}
        .card{
            background:var(--bg-white);border-radius:var(--radius-lg);
            overflow:hidden;border:1px solid var(--border-light);
            transition:all var(--transition);box-shadow:var(--shadow-sm);
        }
        .card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg);border-color:var(--border)}
        .card-img{position:relative;overflow:hidden;aspect-ratio:16/10;background:#e8e4db}
        .card-img img{width:100%;height:100%;object-fit:cover;transition:transform 0.5s ease}
        .card:hover .card-img img{transform:scale(1.06)}
        .card-img .card-tag{
            position:absolute;top:14px;left:14px;
            background:var(--accent);color:#1a1a1a;
            padding:5px 14px;border-radius:20px;
            font-size:0.8rem;font-weight:700;z-index:2;
        }
        .card-body{padding:20px 22px}
        .card-body h3{font-size:1.15rem;margin-bottom:8px;line-height:1.4}
        .card-body h3 a{color:var(--text)}
        .card-body h3 a:hover{color:var(--primary)}
        .card-body p{color:var(--text-weak);font-size:0.92rem;line-height:1.6;margin-bottom:12px;
            display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
        .card-meta{display:flex;align-items:center;gap:12px;font-size:0.82rem;color:var(--text-light)}
        .card-meta i{font-size:0.85rem}

        /* Feature cards */
        .feature-cards{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:20px}
        .feature-card{
            background:var(--bg-white);border-radius:var(--radius-lg);
            padding:28px 24px;border:1px solid var(--border-light);
            transition:all var(--transition);box-shadow:var(--shadow-sm);
            text-align:center;
        }
        .feature-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg);border-color:var(--border)}
        .feature-icon{
            width:60px;height:60px;border-radius:50%;
            background:rgba(26,60,42,0.06);display:flex;align-items:center;justify-content:center;
            margin:0 auto 18px;font-size:1.6rem;color:var(--primary);
            transition:all var(--transition);
        }
        .feature-card:hover .feature-icon{background:var(--primary);color:#fff}
        .feature-card h3{font-size:1.1rem;margin-bottom:8px}
        .feature-card p{color:var(--text-weak);font-size:0.9rem;line-height:1.6}

        /* Compare cards */
        .compare-row{display:grid;grid-template-columns:1fr 1fr;gap:24px;max-width:900px;margin:0 auto}
        .compare-card{
            background:var(--bg-white);border-radius:var(--radius-lg);
            padding:32px 28px;border:2px solid var(--border-light);
            transition:all var(--transition);box-shadow:var(--shadow-sm);
        }
        .compare-card:hover{border-color:var(--accent);box-shadow:var(--shadow-lg)}
        .compare-card.highlight{border-color:var(--accent);background:linear-gradient(180deg,#fffef9 0%,#fff 100%)}
        .compare-card .compare-label{
            font-size:0.85rem;font-weight:700;text-transform:uppercase;
            letter-spacing:0.06em;color:var(--accent-dark);margin-bottom:6px;
        }
        .compare-card h3{font-size:1.3rem;margin-bottom:14px}
        .compare-list{display:flex;flex-direction:column;gap:10px}
        .compare-list li{display:flex;align-items:center;gap:10px;font-size:0.95rem;color:var(--text-weak);padding:6px 0;border-bottom:1px solid var(--border-light)}
        .compare-list li:last-child{border-bottom:none}
        .compare-list li i{color:var(--accent);font-size:0.9rem;flex-shrink:0}
        .compare-list li i.fa-xmark{color:#d1d5db}
        .score-display{font-size:3rem;font-weight:800;color:var(--primary);line-height:1;margin-bottom:4px}
        .score-display small{font-size:1rem;color:var(--text-weak);font-weight:400}

        /* Stats row */
        .stats-row{display:flex;flex-wrap:wrap;gap:0;justify-content:center}
        .stat-item{
            flex:1 1 180px;text-align:center;padding:28px 16px;
            border-right:1px solid rgba(255,255,255,0.12);
        }
        .stat-item:last-child{border-right:none}
        .stat-number{font-size:2.6rem;font-weight:800;color:var(--accent-light);line-height:1.1}
        .stat-label{font-size:0.9rem;color:rgba(255,255,255,0.7);margin-top:6px;font-weight:500}

        /* List block */
        .info-list{display:flex;flex-direction:column;gap:0}
        .info-list-item{
            display:flex;align-items:flex-start;gap:14px;
            padding:16px 0;border-bottom:1px solid var(--border-light);
            transition:all var(--transition);
        }
        .info-list-item:last-child{border-bottom:none}
        .info-list-item:hover{padding-left:6px}
        .info-list-item .list-icon{
            width:40px;height:40px;border-radius:50%;
            background:rgba(26,60,42,0.06);display:flex;align-items:center;justify-content:center;
            flex-shrink:0;color:var(--primary);font-size:1rem;
        }
        .info-list-item h4{font-size:1rem;margin-bottom:2px}
        .info-list-item p{color:var(--text-weak);font-size:0.9rem;line-height:1.5}

        /* FAQ */
        .faq-list{max-width:760px;margin:0 auto;display:flex;flex-direction:column;gap:12px}
        .faq-item{
            background:var(--bg-white);border-radius:var(--radius);
            border:1px solid var(--border-light);overflow:hidden;
            transition:all var(--transition);box-shadow:var(--shadow-sm);
        }
        .faq-item:hover{border-color:var(--border)}
        .faq-q{
            width:100%;display:flex;align-items:center;justify-content:space-between;
            padding:20px 24px;font-weight:700;font-size:1rem;
            background:none;border:none;cursor:pointer;text-align:left;
            color:var(--text);gap:12px;transition:color var(--transition);
        }
        .faq-q:hover{color:var(--primary)}
        .faq-q i{transition:transform var(--transition);color:var(--accent);flex-shrink:0}
        .faq-q.open i{transform:rotate(180deg)}
        .faq-a{max-height:0;overflow:hidden;transition:max-height 0.4s ease,padding 0.3s ease}
        .faq-a.open{max-height:300px}
        .faq-a-inner{padding:0 24px 20px;color:var(--text-weak);font-size:0.95rem;line-height:1.7}

        /* CTA */
        .cta-section{
            background: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::before{
            content:'';position:absolute;inset:0;
            background:url('/assets/images/backpic/back-2.png') center/cover no-repeat;
            opacity:0.12;mix-blend-mode:overlay;
        }
        .cta-section>*{position:relative;z-index:1}
        .cta-section h2{color:#fff;margin-bottom:12px}
        .cta-section p{color:rgba(255,255,255,0.8);max-width:500px;margin:0 auto 28px;font-size:1.05rem}

        /* Footer */
        .site-footer{
            background:var(--bg-dark);color:rgba(255,255,255,0.7);
            padding:48px 0 32px;margin-top:0;
        }
        .footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr;gap:40px;margin-bottom:32px}
        .footer-brand .logo{color:#fff;font-size:1.3rem;margin-bottom:12px;display:inline-flex}
        .footer-brand p{font-size:0.9rem;line-height:1.7;color:rgba(255,255,255,0.55);max-width:280px}
        .footer-col h4{color:#fff;font-size:0.95rem;margin-bottom:14px;font-weight:700}
        .footer-col ul{display:flex;flex-direction:column;gap:8px}
        .footer-col ul li a{color:rgba(255,255,255,0.55);font-size:0.9rem;transition:color var(--transition)}
        .footer-col ul li a:hover{color:var(--accent-light)}
        .footer-bottom{
            border-top:1px solid rgba(255,255,255,0.1);padding-top:20px;
            text-align:center;font-size:0.82rem;color:rgba(255,255,255,0.4);
        }

        /* Search overlay */
        .search-overlay{
            position:fixed;inset:0;z-index:200;background:rgba(15,31,22,0.92);
            backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);
            display:none;align-items:flex-start;justify-content:center;padding-top:80px;
        }
        .search-overlay.show{display:flex}
        .search-box{
            background:var(--bg-white);border-radius:var(--radius-lg);
            padding:32px;width:90%;max-width:560px;box-shadow:var(--shadow-xl);
        }
        .search-box input{
            width:100%;padding:14px 18px;border:2px solid var(--border);
            border-radius:var(--radius);font-size:1rem;outline:none;
            transition:border-color var(--transition);
        }
        .search-box input:focus{border-color:var(--accent)}
        .search-close{
            position:absolute;top:24px;right:24px;
            background:rgba(255,255,255,0.15);border:none;color:#fff;
            width:44px;height:44px;border-radius:50%;cursor:pointer;
            font-size:1.2rem;transition:all var(--transition);
        }
        .search-close:hover{background:rgba(255,255,255,0.3)}

        /* Responsive */
        @media(max-width:1024px){
            .cards-grid{grid-template-columns:repeat(auto-fill,minmax(260px,1fr))}
            .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
            .compare-row{grid-template-columns:1fr;gap:16px}
            .hero{min-height:460px;padding:60px 0}
            .section{padding:52px 0}
        }
        @media(max-width:768px){
            .nav-desktop{display:none!important}
            .header-cta{display:none!important}
            .bottom-tab-bar{display:flex}
            .site-header{height:56px}
            .header-inner{justify-content:center}
            .logo{font-size:1.25rem}
            .hero{min-height:420px;padding:48px 0;text-align:center}
            .hero-content{max-width:100%}
            .hero-desc{margin-left:auto;margin-right:auto}
            .hero-btns{justify-content:center}
            .cards-grid{grid-template-columns:1fr;gap:16px}
            .feature-cards{grid-template-columns:1fr 1fr;gap:14px}
            .stats-row{gap:0}
            .stat-item{flex:1 1 120px;padding:18px 8px;border-right:1px solid rgba(255,255,255,0.08)}
            .stat-number{font-size:1.8rem}
            .stat-label{font-size:0.75rem}
            .cta-section{padding:36px 20px;border-radius:var(--radius-lg)}
            .footer-grid{grid-template-columns:1fr;gap:24px;text-align:center}
            .footer-brand p{margin:0 auto;max-width:100%}
            .section{padding:40px 0}
            .section-header{margin-bottom:32px}
            .compare-row{gap:12px}
            .compare-card{padding:20px 18px}
            .card-body{padding:16px 18px}
            body{padding-bottom:calc(var(--bottom-tab-height) + 8px)}
            .search-overlay{padding-top:50px}
        }
        @media(max-width:520px){
            .hero{min-height:380px;padding:36px 0}
            .hero h1{font-size:1.7rem}
            .hero-desc{font-size:0.95rem}
            .btn{padding:12px 20px;font-size:0.9rem}
            .feature-cards{grid-template-columns:1fr}
            .container{padding:0 16px}
            .stat-item{border-right:none;border-bottom:1px solid rgba(255,255,255,0.08);flex:1 1 100%}
            .stats-row{flex-direction:column}
            .footer-bottom{font-size:0.75rem}
            .section-title{font-size:1.3rem}
        }

/* roulang page: article */
:root {
            --primary: #0a1f35;
            --primary-light: #132d4a;
            --accent-gold: #d4a745;
            --accent-gold-light: #f0d078;
            --accent-red: #c41e3a;
            --accent-red-dark: #a01830;
            --bg: #f6f7f9;
            --bg-white: #ffffff;
            --bg-dark: #0a1f35;
            --text: #1a1a2e;
            --text-secondary: #5a6072;
            --text-light: #8b8fa3;
            --text-on-dark: #e8eaef;
            --border: #e2e5ec;
            --border-light: #eef0f4;
            --shadow-sm: 0 1px 3px rgba(10, 31, 53, 0.06);
            --shadow-md: 0 4px 16px rgba(10, 31, 53, 0.10);
            --shadow-lg: 0 8px 32px rgba(10, 31, 53, 0.14);
            --shadow-xl: 0 16px 48px rgba(10, 31, 53, 0.18);
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 18px;
            --radius-xl: 24px;
            --transition-fast: 0.15s ease;
            --transition-normal: 0.25s ease;
            --transition-slow: 0.35s ease;
            --font-sans: 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', system-ui, -apple-system, sans-serif;
            --max-width: 1200px;
            --max-width-article: 820px;
            --header-height: 68px;
            --bottom-tab-height: 60px;
        }

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

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

        body {
            font-family: var(--font-sans);
            font-size: 16px;
            line-height: 1.7;
            color: var(--text);
            background: var(--bg);
            min-height: 100vh;
            padding-bottom: 0;
        }

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

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

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

        input {
            font-family: inherit;
            outline: none;
        }

        ul,
        ol {
            list-style: none;
        }

        .container {
            width: 100%;
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 24px;
        }

        .container-article {
            width: 100%;
            max-width: var(--max-width-article);
            margin: 0 auto;
            padding: 0 24px;
        }

        /* ===== HEADER ===== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: var(--bg-white);
            border-bottom: 1px solid var(--border);
            box-shadow: var(--shadow-sm);
            height: var(--header-height);
            display: flex;
            align-items: center;
        }

        .header-inner {
            width: 100%;
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 24px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 20px;
        }

        .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.35rem;
            font-weight: 700;
            color: var(--primary);
            white-space: nowrap;
            transition: opacity var(--transition-fast);
            flex-shrink: 0;
        }

        .logo i {
            color: var(--accent-gold);
            font-size: 1.4rem;
            transition: transform var(--transition-normal);
        }

        .logo:hover {
            opacity: 0.85;
        }

        .logo:hover i {
            transform: rotate(-20deg);
        }

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

        .nav-desktop a {
            padding: 8px 16px;
            border-radius: var(--radius-sm);
            font-size: 0.95rem;
            font-weight: 500;
            color: var(--text-secondary);
            position: relative;
            transition: all var(--transition-fast);
            white-space: nowrap;
        }

        .nav-desktop a:hover {
            color: var(--primary);
            background: rgba(10, 31, 53, 0.04);
        }

        .nav-desktop a.active {
            color: var(--primary);
            background: rgba(10, 31, 53, 0.06);
            font-weight: 600;
        }

        .nav-desktop a.active::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 50%;
            transform: translateX(-50%);
            width: 28px;
            height: 3px;
            border-radius: 3px;
            background: var(--accent-gold);
        }

        .nav-badge {
            display: inline-block;
            font-size: 0.68rem;
            font-weight: 700;
            background: var(--accent-red);
            color: #fff;
            padding: 2px 7px;
            border-radius: 10px;
            margin-left: 4px;
            vertical-align: middle;
            animation: badgePulse 2s ease-in-out infinite;
        }

        @keyframes badgePulse {
            0%,
            100% {
                transform: scale(1);
            }
            50% {
                transform: scale(1.1);
            }
        }

        .btn {
            display: inline-flex;
            align-items: center;
            gap: 7px;
            padding: 10px 20px;
            border-radius: var(--radius-sm);
            font-weight: 600;
            font-size: 0.9rem;
            transition: all var(--transition-normal);
            white-space: nowrap;
            cursor: pointer;
        }

        .btn-sm {
            padding: 7px 14px;
            font-size: 0.82rem;
        }

        .btn-primary {
            background: var(--accent-red);
            color: #fff;
        }

        .btn-primary:hover {
            background: var(--accent-red-dark);
            transform: translateY(-1px);
            box-shadow: var(--shadow-md);
        }

        .btn-outline {
            background: transparent;
            border: 2px solid var(--primary);
            color: var(--primary);
        }

        .btn-outline:hover {
            background: var(--primary);
            color: #fff;
            transform: translateY(-1px);
            box-shadow: var(--shadow-md);
        }

        .btn-gold {
            background: var(--accent-gold);
            color: var(--primary);
            font-weight: 700;
        }

        .btn-gold:hover {
            background: var(--accent-gold-light);
            transform: translateY(-2px);
            box-shadow: var(--shadow-lg);
        }

        .header-cta {
            background: var(--accent-red);
            color: #fff;
            flex-shrink: 0;
        }

        .header-cta:hover {
            background: var(--accent-red-dark);
            transform: translateY(-1px);
            box-shadow: var(--shadow-md);
            color: #fff;
        }

        /* ===== ARTICLE HERO ===== */
        .article-hero {
            background: linear-gradient(180deg, var(--primary) 0%, var(--primary-light) 100%);
            background-image: url('/assets/images/backpic/back-2.png');
            background-size: cover;
            background-position: center;
            background-blend-mode: overlay;
            padding: 56px 0 44px;
            position: relative;
            color: #fff;
        }

        .article-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(10, 31, 53, 0.82) 0%, rgba(10, 31, 53, 0.7) 100%);
            z-index: 1;
        }

        .article-hero .container-article {
            position: relative;
            z-index: 2;
        }

        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            flex-wrap: wrap;
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.7);
            margin-bottom: 20px;
        }

        .breadcrumb a {
            color: rgba(255, 255, 255, 0.8);
            transition: color var(--transition-fast);
        }

        .breadcrumb a:hover {
            color: var(--accent-gold-light);
        }

        .breadcrumb .separator {
            color: rgba(255, 255, 255, 0.4);
            font-size: 0.7rem;
        }

        .breadcrumb .current {
            color: #fff;
            font-weight: 500;
        }

        .article-hero .article-category-tag {
            display: inline-block;
            background: var(--accent-gold);
            color: var(--primary);
            font-weight: 700;
            font-size: 0.78rem;
            padding: 5px 14px;
            border-radius: 20px;
            margin-bottom: 16px;
            letter-spacing: 0.4px;
        }

        .article-hero h1 {
            font-size: 2.2rem;
            font-weight: 800;
            line-height: 1.3;
            margin-bottom: 14px;
            letter-spacing: -0.3px;
        }

        .article-meta {
            display: flex;
            align-items: center;
            gap: 16px;
            flex-wrap: wrap;
            font-size: 0.88rem;
            color: rgba(255, 255, 255, 0.75);
        }

        .article-meta span {
            display: inline-flex;
            align-items: center;
            gap: 5px;
        }

        .article-meta i {
            font-size: 0.8rem;
            opacity: 0.8;
        }

        /* ===== ARTICLE CONTENT ===== */
        .article-content-section {
            padding: 48px 0 40px;
            background: var(--bg-white);
            border-bottom: 1px solid var(--border-light);
        }

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

        .article-body h2 {
            font-size: 1.55rem;
            font-weight: 700;
            margin: 40px 0 16px;
            color: var(--primary);
            border-left: 4px solid var(--accent-gold);
            padding-left: 16px;
            line-height: 1.3;
        }

        .article-body h3 {
            font-size: 1.25rem;
            font-weight: 700;
            margin: 32px 0 12px;
            color: var(--primary-light);
        }

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

        .article-body img {
            border-radius: var(--radius-md);
            margin: 28px 0;
            box-shadow: var(--shadow-md);
        }

        .article-body ul,
        .article-body ol {
            margin: 16px 0 20px;
            padding-left: 24px;
        }

        .article-body ul {
            list-style: disc;
        }

        .article-body ol {
            list-style: decimal;
        }

        .article-body li {
            margin-bottom: 8px;
            padding-left: 4px;
        }

        .article-body blockquote {
            border-left: 4px solid var(--accent-gold);
            background: #fdf8f0;
            padding: 18px 22px;
            margin: 28px 0;
            border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
            font-style: italic;
            color: #5a4a30;
            font-size: 1rem;
        }

        .article-body strong {
            color: var(--primary);
            font-weight: 700;
        }

        .article-body a {
            color: var(--accent-red);
            font-weight: 500;
            text-decoration: underline;
            text-decoration-color: transparent;
            transition: text-decoration-color var(--transition-fast);
        }

        .article-body a:hover {
            text-decoration-color: var(--accent-red);
        }

        .article-body table {
            width: 100%;
            border-collapse: collapse;
            margin: 24px 0;
            font-size: 0.95rem;
            border-radius: var(--radius-sm);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
        }

        .article-body table th {
            background: var(--primary);
            color: #fff;
            padding: 12px 16px;
            text-align: left;
            font-weight: 600;
        }

        .article-body table td {
            padding: 11px 16px;
            border-bottom: 1px solid var(--border-light);
            background: var(--bg-white);
        }

        .article-body table tr:nth-child(even) td {
            background: #fafbfc;
        }

        .article-body hr {
            border: none;
            border-top: 1px solid var(--border);
            margin: 36px 0;
        }

        /* ===== NOT FOUND ===== */
        .not-found-section {
            padding: 80px 0;
            text-align: center;
            background: var(--bg-white);
        }

        .not-found-icon {
            font-size: 5rem;
            color: var(--text-light);
            margin-bottom: 20px;
        }

        .not-found-section h2 {
            font-size: 1.6rem;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 10px;
        }

        .not-found-section p {
            color: var(--text-secondary);
            margin-bottom: 24px;
            font-size: 1rem;
        }

        /* ===== RECOMMENDATIONS ===== */
        .recommendations-section {
            padding: 52px 0 56px;
            background: var(--bg);
        }

        .section-header {
            text-align: center;
            margin-bottom: 36px;
        }

        .section-header h2 {
            font-size: 1.7rem;
            font-weight: 800;
            color: var(--primary);
            margin-bottom: 8px;
            letter-spacing: -0.2px;
        }

        .section-header .section-subtitle {
            color: var(--text-secondary);
            font-size: 0.95rem;
        }

        .section-header .section-divider {
            width: 50px;
            height: 4px;
            background: var(--accent-gold);
            border-radius: 4px;
            margin: 14px auto 0;
        }

        .rec-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 22px;
        }

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

        .rec-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-lg);
            border-color: transparent;
        }

        .rec-card-img {
            width: 100%;
            aspect-ratio: 16 / 10;
            object-fit: cover;
            display: block;
        }

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

        .rec-card-tag {
            display: inline-block;
            font-size: 0.7rem;
            font-weight: 700;
            background: #fef3e4;
            color: #b8781a;
            padding: 3px 10px;
            border-radius: 12px;
            margin-bottom: 10px;
            align-self: flex-start;
        }

        .rec-card h3 {
            font-size: 0.95rem;
            font-weight: 700;
            color: var(--text);
            line-height: 1.4;
            margin-bottom: 8px;
            flex: 1;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .rec-card .rec-meta {
            font-size: 0.78rem;
            color: var(--text-light);
            display: flex;
            align-items: center;
            gap: 5px;
        }

        .rec-card a {
            text-decoration: none;
            color: inherit;
            display: contents;
        }

        /* ===== CTA SECTION ===== */
        .cta-section {
            padding: 56px 0 60px;
            background: var(--primary);
            background-image: url('/assets/images/backpic/back-3.png');
            background-size: cover;
            background-position: center;
            background-blend-mode: overlay;
            position: relative;
            text-align: center;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: rgba(10, 31, 53, 0.85);
            z-index: 1;
        }

        .cta-section .container {
            position: relative;
            z-index: 2;
        }

        .cta-section h2 {
            font-size: 1.8rem;
            font-weight: 800;
            color: #fff;
            margin-bottom: 12px;
        }

        .cta-section p {
            color: rgba(255, 255, 255, 0.75);
            font-size: 1rem;
            margin-bottom: 28px;
            max-width: 500px;
            margin-left: auto;
            margin-right: auto;
        }

        .cta-section .btn-gold {
            font-size: 1rem;
            padding: 14px 32px;
            border-radius: var(--radius-md);
        }

        /* ===== FOOTER ===== */
        .site-footer {
            background: #060f1a;
            color: var(--text-on-dark);
            padding: 48px 0 28px;
            border-top: 3px solid var(--accent-gold);
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.6fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 32px;
        }

        .footer-brand .logo {
            font-size: 1.3rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 12px;
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }

        .footer-brand .logo i {
            color: var(--accent-gold);
        }

        .footer-brand p {
            color: rgba(255, 255, 255, 0.55);
            font-size: 0.88rem;
            line-height: 1.6;
            max-width: 320px;
        }

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

        .footer-col ul li {
            margin-bottom: 8px;
        }

        .footer-col ul li a {
            color: rgba(255, 255, 255, 0.55);
            font-size: 0.88rem;
            transition: color var(--transition-fast);
        }

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

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding-top: 20px;
            text-align: center;
            color: rgba(255, 255, 255, 0.4);
            font-size: 0.82rem;
        }

        /* ===== BOTTOM TAB NAV (MOBILE) ===== */
        .bottom-tab-nav {
            display: none;
            position: fixed;
            bottom: 0;
            left: 0;
            right: 0;
            z-index: 999;
            background: var(--bg-white);
            border-top: 1px solid var(--border);
            box-shadow: 0 -2px 16px rgba(10, 31, 53, 0.10);
            height: var(--bottom-tab-height);
            padding: 0 12px;
        }

        .bottom-tab-nav .tab-inner {
            display: flex;
            align-items: center;
            justify-content: space-around;
            height: 100%;
            max-width: 500px;
            margin: 0 auto;
        }

        .bottom-tab-nav .tab-item {
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            gap: 4px;
            font-size: 0.7rem;
            font-weight: 500;
            color: var(--text-light);
            padding: 6px 14px;
            border-radius: var(--radius-sm);
            transition: all var(--transition-fast);
            min-width: 56px;
            text-align: center;
        }

        .bottom-tab-nav .tab-item i {
            font-size: 1.2rem;
            transition: color var(--transition-fast);
        }

        .bottom-tab-nav .tab-item.active {
            color: var(--primary);
            font-weight: 700;
        }

        .bottom-tab-nav .tab-item.active i {
            color: var(--accent-gold);
        }

        .bottom-tab-nav .tab-item:hover {
            color: var(--primary);
            background: rgba(10, 31, 53, 0.03);
        }

        /* ===== RESPONSIVE ===== */
        @media (max-width: 1024px) {
            .rec-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 18px;
            }
            .article-hero h1 {
                font-size: 1.8rem;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 28px;
            }
            .footer-brand {
                grid-column: 1 / -1;
            }
        }

        @media (max-width: 768px) {
            .nav-desktop {
                display: none;
            }
            .header-cta {
                display: none;
            }
            .header-inner {
                justify-content: center;
            }
            .logo {
                font-size: 1.2rem;
            }
            .site-header {
                height: 56px;
            }
            :root {
                --header-height: 56px;
            }

            .article-hero {
                padding: 36px 0 28px;
            }
            .article-hero h1 {
                font-size: 1.45rem;
            }
            .article-body {
                font-size: 0.98rem;
                line-height: 1.75;
            }
            .article-body h2 {
                font-size: 1.3rem;
                margin: 28px 0 12px;
            }
            .article-body h3 {
                font-size: 1.1rem;
            }

            .rec-grid {
                grid-template-columns: 1fr 1fr;
                gap: 14px;
            }
            .rec-card h3 {
                font-size: 0.85rem;
            }

            .cta-section h2 {
                font-size: 1.4rem;
            }

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

            .bottom-tab-nav {
                display: block;
            }
            body {
                padding-bottom: var(--bottom-tab-height);
            }
            .site-footer {
                padding-bottom: 76px;
            }
            .recommendations-section {
                padding-bottom: 40px;
            }
            .cta-section {
                padding-bottom: 48px;
            }
        }

        @media (max-width: 520px) {
            .container {
                padding: 0 16px;
            }
            .container-article {
                padding: 0 16px;
            }
            .header-inner {
                padding: 0 16px;
            }
            .article-hero h1 {
                font-size: 1.25rem;
            }
            .article-meta {
                font-size: 0.78rem;
                gap: 10px;
            }
            .breadcrumb {
                font-size: 0.76rem;
                gap: 5px;
            }
            .rec-grid {
                grid-template-columns: 1fr;
                gap: 12px;
            }
            .section-header h2 {
                font-size: 1.35rem;
            }
            .cta-section h2 {
                font-size: 1.2rem;
            }
            .cta-section p {
                font-size: 0.88rem;
            }
            .article-body {
                font-size: 0.93rem;
            }
            .article-body h2 {
                font-size: 1.15rem;
            }
            .article-body blockquote {
                padding: 14px 16px;
                font-size: 0.9rem;
            }
            .bottom-tab-nav .tab-item {
                font-size: 0.65rem;
                padding: 4px 10px;
            }
            .bottom-tab-nav .tab-item i {
                font-size: 1.1rem;
            }
        }

/* roulang page: category1 */
:root {
            --color-primary: #1a6b3c;
            --color-primary-dark: #145529;
            --color-primary-light: #e8f5ec;
            --color-accent: #d4a017;
            --color-accent-dark: #b8890f;
            --color-accent-light: #fef9ed;
            --color-bg: #f6f8f5;
            --color-surface: #ffffff;
            --color-text: #1a1a2e;
            --color-text-secondary: #5a6170;
            --color-text-muted: #8b919e;
            --color-border: #e2e6e3;
            --color-border-light: #eef1ee;
            --color-success: #2d9d4f;
            --color-warning: #e8a317;
            --color-danger: #d14343;
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 18px;
            --radius-xl: 24px;
            --shadow-xs: 0 1px 2px rgba(0, 0, 0, 0.04);
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.06);
            --shadow-md: 0 6px 20px rgba(0, 0, 0, 0.08);
            --shadow-lg: 0 12px 36px rgba(0, 0, 0, 0.10);
            --shadow-xl: 0 20px 50px rgba(0, 0, 0, 0.12);
            --font-sans: 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', system-ui, -apple-system, sans-serif;
            --font-mono: 'SF Mono', 'Cascadia Code', 'Consolas', monospace;
            --spacing-xs: 6px;
            --spacing-sm: 12px;
            --spacing-md: 20px;
            --spacing-lg: 32px;
            --spacing-xl: 48px;
            --spacing-2xl: 64px;
            --spacing-3xl: 80px;
            --header-height: 68px;
            --bottom-nav-height: 60px;
            --max-width: 1200px;
            --transition-fast: 0.18s ease;
            --transition-base: 0.28s ease;
            --transition-slow: 0.4s cubic-bezier(0.25, 0.8, 0.25, 1.2);
        }

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

        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            font-family: var(--font-sans);
            font-size: 16px;
            line-height: 1.7;
            color: var(--color-text);
            background-color: var(--color-bg);
            min-height: 100vh;
            padding-bottom: 0;
            overflow-x: hidden;
        }

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

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

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

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

        ul {
            list-style: none;
        }

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

        .container {
            width: 100%;
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 var(--spacing-md);
        }

        /* ========== HEADER ========== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: var(--color-surface);
            border-bottom: 1px solid var(--color-border);
            box-shadow: var(--shadow-xs);
            height: var(--header-height);
            display: flex;
            align-items: center;
            transition: box-shadow var(--transition-base);
        }
        .site-header.scrolled {
            box-shadow: var(--shadow-md);
        }
        .header-inner {
            width: 100%;
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 var(--spacing-md);
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: var(--spacing-md);
        }
        .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.25rem;
            font-weight: 700;
            color: var(--color-primary);
            text-decoration: none;
            white-space: nowrap;
            transition: opacity var(--transition-fast);
        }
        .logo i {
            font-size: 1.5rem;
            color: var(--color-accent);
        }
        .logo:hover {
            opacity: 0.85;
            color: var(--color-primary);
        }
        .nav-desktop {
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .nav-desktop a {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 8px 16px;
            border-radius: 24px;
            font-size: 0.95rem;
            font-weight: 500;
            color: var(--color-text-secondary);
            text-decoration: none;
            transition: all var(--transition-fast);
            white-space: nowrap;
            position: relative;
        }
        .nav-desktop a:hover {
            color: var(--color-primary);
            background: var(--color-primary-light);
        }
        .nav-desktop a.active {
            color: var(--color-primary);
            background: var(--color-primary-light);
            font-weight: 600;
        }
        .nav-badge {
            display: inline-block;
            font-size: 0.7rem;
            font-weight: 700;
            padding: 2px 8px;
            border-radius: 10px;
            background: var(--color-danger);
            color: #fff;
            line-height: 1.4;
        }
        .btn {
            display: inline-flex;
            align-items: center;
            gap: 7px;
            padding: 10px 20px;
            border-radius: 24px;
            font-weight: 600;
            font-size: 0.9rem;
            text-decoration: none;
            transition: all var(--transition-fast);
            white-space: nowrap;
            cursor: pointer;
            border: 2px solid transparent;
        }
        .btn-sm {
            padding: 7px 15px;
            font-size: 0.84rem;
            border-radius: 20px;
        }
        .btn-primary {
            background: var(--color-primary);
            color: #fff;
            border-color: var(--color-primary);
        }
        .btn-primary:hover {
            background: var(--color-primary-dark);
            border-color: var(--color-primary-dark);
            color: #fff;
            transform: translateY(-1px);
            box-shadow: var(--shadow-md);
        }
        .btn-accent {
            background: var(--color-accent);
            color: #fff;
            border-color: var(--color-accent);
        }
        .btn-accent:hover {
            background: var(--color-accent-dark);
            border-color: var(--color-accent-dark);
            color: #fff;
            transform: translateY(-1px);
            box-shadow: var(--shadow-md);
        }
        .btn-outline {
            background: transparent;
            color: var(--color-primary);
            border-color: var(--color-primary);
        }
        .btn-outline:hover {
            background: var(--color-primary-light);
            color: var(--color-primary-dark);
        }
        .btn-lg {
            padding: 13px 28px;
            font-size: 1rem;
            border-radius: 28px;
        }
        .header-cta {
            background: var(--color-accent);
            color: #fff;
            border-color: var(--color-accent);
        }
        .header-cta:hover {
            background: var(--color-accent-dark);
            color: #fff;
            border-color: var(--color-accent-dark);
            transform: translateY(-1px);
            box-shadow: var(--shadow-md);
        }

        /* ========== BOTTOM TAB NAV (Mobile) ========== */
        .bottom-nav {
            display: none;
            position: fixed;
            bottom: 0;
            left: 0;
            right: 0;
            z-index: 999;
            background: var(--color-surface);
            border-top: 1px solid var(--color-border);
            box-shadow: 0 -2px 12px rgba(0, 0, 0, 0.07);
            height: var(--bottom-nav-height);
            padding: 0;
        }
        .bottom-nav-inner {
            display: flex;
            align-items: center;
            justify-content: space-around;
            height: 100%;
            max-width: 480px;
            margin: 0 auto;
            padding: 0 4px;
        }
        .bottom-nav a {
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            gap: 3px;
            padding: 6px 10px;
            border-radius: 12px;
            font-size: 0.7rem;
            font-weight: 500;
            color: var(--color-text-muted);
            text-decoration: none;
            transition: all var(--transition-fast);
            min-width: 56px;
            text-align: center;
        }
        .bottom-nav a i {
            font-size: 1.25rem;
            transition: transform var(--transition-fast);
        }
        .bottom-nav a.active {
            color: var(--color-primary);
            font-weight: 600;
        }
        .bottom-nav a.active i {
            transform: scale(1.1);
        }
        .bottom-nav a:hover {
            color: var(--color-primary);
        }

        /* ========== MAIN ========== */
        main {
            min-height: 60vh;
        }

        /* ========== SECTION ========== */
        .section {
            padding: var(--spacing-2xl) 0;
        }
        .section-sm {
            padding: var(--spacing-xl) 0;
        }
        .section-title {
            font-size: 1.75rem;
            font-weight: 700;
            margin-bottom: var(--spacing-xs);
            color: var(--color-text);
        }
        .section-subtitle {
            font-size: 1.05rem;
            color: var(--color-text-secondary);
            margin-bottom: var(--spacing-lg);
            max-width: 640px;
        }
        .section-header {
            text-align: center;
            margin-bottom: var(--spacing-xl);
        }
        .section-header .section-title {
            margin-bottom: var(--spacing-sm);
        }
        .section-header .section-subtitle {
            margin-left: auto;
            margin-right: auto;
        }
        .bg-light {
            background: var(--color-surface);
        }
        .bg-primary-light {
            background: var(--color-primary-light);
        }

        /* ========== CATEGORY BANNER ========== */
        .category-banner {
            position: relative;
            padding: var(--spacing-3xl) 0 var(--spacing-2xl);
            background: linear-gradient(135deg, #1a3c2a 0%, #1a5c32 40%, #1a6b3c 100%);
            color: #fff;
            overflow: hidden;
            min-height: 320px;
            display: flex;
            align-items: center;
        }
        .category-banner::before {
            content: '';
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/backpic/back-1.png');
            background-size: cover;
            background-position: center;
            opacity: 0.18;
            mix-blend-mode: overlay;
        }
        .category-banner::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            height: 60px;
            background: linear-gradient(to top, var(--color-bg), transparent);
        }
        .category-banner .container {
            position: relative;
            z-index: 2;
        }
        .category-breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 0.88rem;
            margin-bottom: var(--spacing-md);
            color: rgba(255, 255, 255, 0.8);
        }
        .category-breadcrumb a {
            color: rgba(255, 255, 255, 0.9);
            text-decoration: none;
            transition: color var(--transition-fast);
        }
        .category-breadcrumb a:hover {
            color: #fff;
        }
        .category-breadcrumb .sep {
            opacity: 0.5;
        }
        .category-banner h1 {
            font-size: 2.6rem;
            font-weight: 800;
            color: #fff;
            margin-bottom: var(--spacing-sm);
            letter-spacing: -0.02em;
        }
        .category-banner .banner-desc {
            font-size: 1.15rem;
            color: rgba(255, 255, 255, 0.88);
            max-width: 600px;
            line-height: 1.7;
        }
        .category-banner .banner-stats {
            display: flex;
            gap: var(--spacing-lg);
            margin-top: var(--spacing-lg);
            flex-wrap: wrap;
        }
        .banner-stat-item {
            display: flex;
            align-items: center;
            gap: 12px;
            background: rgba(255, 255, 255, 0.12);
            backdrop-filter: blur(4px);
            padding: 14px 20px;
            border-radius: var(--radius-md);
            border: 1px solid rgba(255, 255, 255, 0.2);
        }
        .banner-stat-item .stat-icon {
            font-size: 1.8rem;
            color: var(--color-accent);
        }
        .banner-stat-item .stat-val {
            font-size: 1.5rem;
            font-weight: 700;
            color: #fff;
            line-height: 1.1;
        }
        .banner-stat-item .stat-label {
            font-size: 0.8rem;
            color: rgba(255, 255, 255, 0.75);
        }

        /* ========== STATS GRID ========== */
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: var(--spacing-md);
        }
        .stat-card {
            background: var(--color-surface);
            border-radius: var(--radius-lg);
            padding: var(--spacing-lg) var(--spacing-md);
            text-align: center;
            border: 1px solid var(--color-border-light);
            box-shadow: var(--shadow-sm);
            transition: all var(--transition-base);
            position: relative;
            overflow: hidden;
        }
        .stat-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-lg);
            border-color: var(--color-primary-light);
        }
        .stat-card .stat-icon-wrap {
            width: 54px;
            height: 54px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto var(--spacing-sm);
            font-size: 1.5rem;
            background: var(--color-primary-light);
            color: var(--color-primary);
        }
        .stat-card .stat-number {
            font-size: 2.2rem;
            font-weight: 800;
            color: var(--color-text);
            letter-spacing: -0.03em;
        }
        .stat-card .stat-label-text {
            font-size: 0.9rem;
            color: var(--color-text-secondary);
            margin-top: 4px;
        }
        .stat-card.accent .stat-icon-wrap {
            background: var(--color-accent-light);
            color: var(--color-accent);
        }

        /* ========== TEAM CARDS GRID ========== */
        .team-cards-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: var(--spacing-md);
        }
        .team-card {
            background: var(--color-surface);
            border-radius: var(--radius-lg);
            overflow: hidden;
            border: 1px solid var(--color-border-light);
            box-shadow: var(--shadow-sm);
            transition: all var(--transition-base);
            position: relative;
        }
        .team-card:hover {
            transform: translateY(-5px);
            box-shadow: var(--shadow-lg);
            border-color: var(--color-primary-light);
        }
        .team-card .card-img-wrap {
            position: relative;
            height: 160px;
            overflow: hidden;
            background: #e8ece9;
        }
        .team-card .card-img-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-slow);
        }
        .team-card:hover .card-img-wrap img {
            transform: scale(1.06);
        }
        .team-card .card-rank-badge {
            position: absolute;
            top: 12px;
            left: 12px;
            background: var(--color-accent);
            color: #fff;
            font-weight: 700;
            font-size: 0.78rem;
            padding: 4px 11px;
            border-radius: 14px;
            z-index: 2;
            box-shadow: 0 2px 8px rgba(0, 0, 0, 0.18);
        }
        .team-card .card-body {
            padding: var(--spacing-md);
        }
        .team-card .card-team-name {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--color-text);
            margin-bottom: 6px;
        }
        .team-card .card-meta {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            font-size: 0.82rem;
            color: var(--color-text-secondary);
        }
        .team-card .card-meta span {
            display: flex;
            align-items: center;
            gap: 5px;
        }
        .team-card .card-meta i {
            color: var(--color-primary);
            font-size: 0.75rem;
        }
        .team-card .card-points {
            font-weight: 700;
            color: var(--color-primary);
            font-size: 1.05rem;
            margin-top: 8px;
            display: flex;
            align-items: center;
            gap: 5px;
        }

        /* ========== COMPARISON TABLE ========== */
        .comparison-section {
            background: var(--color-surface);
            border-radius: var(--radius-xl);
            padding: var(--spacing-xl);
            border: 1px solid var(--color-border-light);
            box-shadow: var(--shadow-sm);
            overflow-x: auto;
        }
        .comparison-table {
            width: 100%;
            border-collapse: collapse;
            min-width: 600px;
        }
        .comparison-table th,
        .comparison-table td {
            padding: 13px 16px;
            text-align: left;
            border-bottom: 1px solid var(--color-border-light);
            font-size: 0.9rem;
        }
        .comparison-table th {
            background: var(--color-primary-light);
            color: var(--color-primary-dark);
            font-weight: 700;
            font-size: 0.82rem;
            text-transform: uppercase;
            letter-spacing: 0.03em;
            white-space: nowrap;
        }
        .comparison-table tbody tr {
            transition: background var(--transition-fast);
        }
        .comparison-table tbody tr:hover {
            background: var(--color-bg);
        }
        .comparison-table .rank-col {
            font-weight: 700;
            color: var(--color-accent);
            text-align: center;
            width: 60px;
        }
        .comparison-table .name-col {
            font-weight: 600;
        }
        .comparison-table .points-col {
            font-weight: 700;
            color: var(--color-primary);
        }
        .comparison-table .cups-badge {
            display: inline-block;
            background: var(--color-accent-light);
            color: var(--color-accent-dark);
            padding: 3px 10px;
            border-radius: 12px;
            font-weight: 600;
            font-size: 0.8rem;
        }

        /* ========== INSIGHT BLOCK ========== */
        .insight-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: var(--spacing-md);
        }
        .insight-card {
            background: var(--color-surface);
            border-radius: var(--radius-lg);
            padding: var(--spacing-lg);
            border: 1px solid var(--color-border-light);
            box-shadow: var(--shadow-sm);
            display: flex;
            gap: var(--spacing-md);
            align-items: flex-start;
            transition: all var(--transition-base);
        }
        .insight-card:hover {
            box-shadow: var(--shadow-md);
            border-color: var(--color-primary-light);
        }
        .insight-icon {
            width: 48px;
            height: 48px;
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.3rem;
            flex-shrink: 0;
            background: var(--color-primary-light);
            color: var(--color-primary);
        }
        .insight-card h4 {
            font-size: 1.05rem;
            margin-bottom: 4px;
        }
        .insight-card p {
            font-size: 0.9rem;
            color: var(--color-text-secondary);
            line-height: 1.6;
        }

        /* ========== FAQ ========== */
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
        }
        .faq-item {
            background: var(--color-surface);
            border: 1px solid var(--color-border-light);
            border-radius: var(--radius-md);
            margin-bottom: var(--spacing-sm);
            overflow: hidden;
            transition: all var(--transition-base);
            box-shadow: var(--shadow-xs);
        }
        .faq-item:hover {
            border-color: var(--color-primary-light);
        }
        .faq-question {
            width: 100%;
            padding: var(--spacing-md) var(--spacing-lg);
            display: flex;
            align-items: center;
            justify-content: space-between;
            font-weight: 600;
            font-size: 1rem;
            color: var(--color-text);
            text-align: left;
            background: none;
            cursor: pointer;
            transition: color var(--transition-fast);
            gap: 12px;
        }
        .faq-question:hover {
            color: var(--color-primary);
        }
        .faq-question .faq-icon {
            font-size: 0.85rem;
            color: var(--color-text-muted);
            transition: transform var(--transition-base);
            flex-shrink: 0;
        }
        .faq-item.open .faq-question .faq-icon {
            transform: rotate(180deg);
            color: var(--color-primary);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-base), padding var(--transition-base);
            padding: 0 var(--spacing-lg);
            font-size: 0.92rem;
            color: var(--color-text-secondary);
            line-height: 1.7;
        }
        .faq-item.open .faq-answer {
            max-height: 300px;
            padding: 0 var(--spacing-lg) var(--spacing-md);
        }

        /* ========== CTA SECTION ========== */
        .cta-section {
            background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
            color: #fff;
            text-align: center;
            padding: var(--spacing-2xl) 0;
            border-radius: var(--radius-xl);
            margin: var(--spacing-2xl) auto;
            max-width: var(--max-width);
            position: relative;
            overflow: hidden;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-2.png') center / cover no-repeat;
            opacity: 0.08;
            mix-blend-mode: overlay;
        }
        .cta-section .container {
            position: relative;
            z-index: 1;
        }
        .cta-section h2 {
            font-size: 1.8rem;
            color: #fff;
            margin-bottom: var(--spacing-sm);
        }
        .cta-section p {
            color: rgba(255, 255, 255, 0.85);
            font-size: 1.05rem;
            margin-bottom: var(--spacing-lg);
        }
        .cta-section .btn {
            background: #fff;
            color: var(--color-primary);
            border-color: #fff;
            font-weight: 700;
        }
        .cta-section .btn:hover {
            background: var(--color-accent-light);
            color: var(--color-primary-dark);
            border-color: var(--color-accent-light);
            transform: translateY(-2px);
            box-shadow: var(--shadow-xl);
        }

        /* ========== FOOTER ========== */
        .site-footer {
            background: #1a1a2e;
            color: #c5c8d0;
            padding: var(--spacing-2xl) 0 var(--spacing-lg);
            margin-top: var(--spacing-2xl);
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: var(--spacing-xl);
            margin-bottom: var(--spacing-xl);
        }
        .footer-brand .logo {
            font-size: 1.2rem;
            color: #fff;
            margin-bottom: var(--spacing-sm);
            display: inline-flex;
        }
        .footer-brand .logo i {
            color: var(--color-accent);
        }
        .footer-brand p {
            font-size: 0.88rem;
            color: #9a9eaa;
            line-height: 1.7;
            max-width: 360px;
        }
        .footer-col h4 {
            color: #fff;
            font-size: 0.95rem;
            margin-bottom: var(--spacing-sm);
            font-weight: 600;
        }
        .footer-col ul li {
            margin-bottom: 8px;
        }
        .footer-col ul li a {
            color: #9a9eaa;
            font-size: 0.88rem;
            text-decoration: none;
            transition: color var(--transition-fast);
        }
        .footer-col ul li a:hover {
            color: #fff;
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding-top: var(--spacing-md);
            text-align: center;
            font-size: 0.82rem;
            color: #7a7e8a;
        }

        /* ========== RESPONSIVE ========== */
        @media (max-width: 1024px) {
            .team-cards-grid {
                grid-template-columns: repeat(3, 1fr);
            }
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .insight-grid {
                grid-template-columns: 1fr 1fr;
            }
            .category-banner h1 {
                font-size: 2rem;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: var(--spacing-lg);
            }
            .footer-brand {
                grid-column: 1 / -1;
            }
        }

        @media (max-width: 768px) {
            .nav-desktop {
                display: none;
            }
            .header-cta {
                display: none;
            }
            .header-inner {
                justify-content: center;
            }
            .bottom-nav {
                display: block;
            }
            body {
                padding-bottom: var(--bottom-nav-height);
            }
            .site-header {
                height: 56px;
            }
            .logo {
                font-size: 1.1rem;
            }
            .logo i {
                font-size: 1.3rem;
            }
            .team-cards-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .insight-grid {
                grid-template-columns: 1fr;
            }
            .category-banner {
                min-height: 240px;
                padding: var(--spacing-xl) 0;
            }
            .category-banner h1 {
                font-size: 1.6rem;
            }
            .category-banner .banner-desc {
                font-size: 0.95rem;
            }
            .banner-stat-item {
                padding: 10px 14px;
            }
            .banner-stat-item .stat-val {
                font-size: 1.2rem;
            }
            .section-title {
                font-size: 1.4rem;
            }
            .comparison-section {
                padding: var(--spacing-md);
                border-radius: var(--radius-lg);
            }
            .comparison-table th,
            .comparison-table td {
                padding: 10px 12px;
                font-size: 0.78rem;
            }
            .cta-section {
                border-radius: var(--radius-lg);
                margin: var(--spacing-xl) var(--spacing-md);
            }
            .cta-section h2 {
                font-size: 1.4rem;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: var(--spacing-md);
            }
        }

        @media (max-width: 520px) {
            .team-cards-grid {
                grid-template-columns: 1fr 1fr;
                gap: var(--spacing-sm);
            }
            .team-card .card-img-wrap {
                height: 120px;
            }
            .team-card .card-body {
                padding: var(--spacing-sm);
            }
            .team-card .card-team-name {
                font-size: 0.95rem;
            }
            .stats-grid {
                grid-template-columns: 1fr 1fr;
                gap: var(--spacing-sm);
            }
            .stat-card {
                padding: var(--spacing-md) var(--spacing-sm);
            }
            .stat-card .stat-number {
                font-size: 1.6rem;
            }
            .category-banner h1 {
                font-size: 1.35rem;
            }
            .category-banner {
                min-height: 200px;
            }
            .banner-stats {
                gap: var(--spacing-sm);
            }
            .banner-stat-item {
                padding: 8px 12px;
                gap: 8px;
            }
            .banner-stat-item .stat-val {
                font-size: 1rem;
            }
            .banner-stat-item .stat-icon {
                font-size: 1.3rem;
            }
            .section {
                padding: var(--spacing-xl) 0;
            }
            .insight-card {
                flex-direction: column;
                gap: var(--spacing-sm);
            }
            .btn-lg {
                padding: 10px 20px;
                font-size: 0.9rem;
            }
        }