/* roulang page: index */
/* ===== 设计变量 ===== */
    :root {
        --primary: #1a2744;
        --primary-light: #2a3f6a;
        --primary-dark: #0f192e;
        --secondary: #2a9d8f;
        --secondary-light: #3dbdb0;
        --secondary-dark: #1f7a6f;
        --accent: #e85d3a;
        --accent-light: #f07a5a;
        --bg: #f4f6fa;
        --bg-white: #ffffff;
        --bg-card: #ffffff;
        --text: #1a2744;
        --text-secondary: #3d4e66;
        --text-light: #6b7a8f;
        --text-muted: #94a3b3;
        --border: #e2e6ed;
        --border-light: #f0f2f5;
        --radius-sm: 8px;
        --radius: 12px;
        --radius-lg: 20px;
        --shadow-sm: 0 1px 4px rgba(26,39,68,0.06);
        --shadow: 0 2px 16px rgba(26,39,68,0.08);
        --shadow-lg: 0 8px 40px rgba(26,39,68,0.12);
        --shadow-hover: 0 12px 48px rgba(26,39,68,0.16);
        --transition: all 0.3s cubic-bezier(0.4,0,0.2,1);
        --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Microsoft YaHei", sans-serif;
        --container: 1200px;
        --header-h: 72px;
    }

    /* ===== Reset & Base ===== */
    *,*::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:1.6;color:var(--text);background:var(--bg);-webkit-font-smoothing:antialiased}
    img{max-width:100%;height:auto;display:block}
    a{color:inherit;text-decoration:none;transition:var(--transition)}
    button,input,textarea{font-family:inherit;font-size:inherit;border:none;outline:none;transition:var(--transition)}
    button{cursor:pointer;background:none}
    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,4.5vw,3.2rem);letter-spacing:-0.02em}
    h2{font-size:clamp(1.5rem,3vw,2.2rem);letter-spacing:-0.01em}
    h3{font-size:clamp(1.125rem,1.8vw,1.4rem)}
    h4{font-size:1.125rem}
    p{color:var(--text-secondary);margin-bottom:0.8rem}
    p:last-child{margin-bottom:0}
    .container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px}
    .section{padding:clamp(48px,8vw,96px) 0}
    .section-title{text-align:center;margin-bottom:clamp(32px,5vw,56px)}
    .section-title h2{position:relative;display:inline-block}
    .section-title h2::after{content:'';display:block;width:60px;height:4px;background:var(--secondary);border-radius:2px;margin:12px auto 0}
    .section-title p{max-width:640px;margin:16px auto 0;font-size:1.05rem;color:var(--text-light)}
    .sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);border:0}

    /* ===== Header & Nav ===== */
    .header{position:fixed;top:0;left:0;right:0;z-index:1000;height:var(--header-h);background:rgba(255,255,255,0.96);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border-bottom:1px solid var(--border);transition:var(--transition)}
    .header.scrolled{box-shadow:var(--shadow)}
    .header-inner{display:flex;align-items:center;justify-content:space-between;height:100%;max-width:var(--container);margin:0 auto;padding:0 24px;gap:16px}
    .nav-left,.nav-right{display:flex;align-items:center;gap:8px}
    .nav-left{flex:1;justify-content:flex-start}
    .nav-right{flex:1;justify-content:flex-end}
    .logo{flex-shrink:0;font-size:1.35rem;font-weight:800;color:var(--primary);letter-spacing:-0.02em;display:flex;align-items:center;gap:8px;padding:0 12px}
    .logo i{color:var(--secondary);font-size:1.2rem}
    .nav-link{display:inline-flex;align-items:center;padding:8px 16px;font-size:0.925rem;font-weight:500;color:var(--text-secondary);border-radius:var(--radius-sm);transition:var(--transition);position:relative}
    .nav-link:hover{color:var(--primary);background:rgba(42,157,143,0.08)}
    .nav-link.active{color:var(--secondary);font-weight:600}
    .nav-link.active::after{content:'';position:absolute;bottom:2px;left:50%;transform:translateX(-50%);width:20px;height:3px;background:var(--secondary);border-radius:2px}
    .nav-cta{display:inline-flex;align-items:center;gap:6px;padding:8px 20px;background:var(--secondary);color:#fff;border-radius:var(--radius-sm);font-weight:600;font-size:0.875rem;transition:var(--transition)}
    .nav-cta:hover{background:var(--secondary-dark);transform:translateY(-1px);box-shadow:0 4px 16px rgba(42,157,143,0.3)}
    .nav-toggle{display:none;flex-direction:column;gap:5px;padding:8px;cursor:pointer;border-radius:var(--radius-sm);background:none}
    .nav-toggle span{display:block;width:24px;height:2.5px;background:var(--text);border-radius:2px;transition:var(--transition);transform-origin:center}
    .nav-toggle.active span:nth-child(1){transform:rotate(45deg) translate(5px,5px)}
    .nav-toggle.active span:nth-child(2){opacity:0;transform:scaleX(0)}
    .nav-toggle.active span:nth-child(3){transform:rotate(-45deg) translate(5px,-5px)}

    /* ===== Hero ===== */
    .hero{position:relative;padding:clamp(80px,10vw,140px) 0 clamp(56px,8vw,96px);margin-top:var(--header-h);background:linear-gradient(135deg,var(--primary) 0%,var(--primary-light) 60%,var(--primary-dark) 100%);overflow:hidden}
    .hero::before{content:'';position:absolute;top:-40%;right:-20%;width:600px;height:600px;background:radial-gradient(circle,rgba(42,157,143,0.15) 0%,transparent 70%);border-radius:50%;pointer-events:none}
    .hero::after{content:'';position:absolute;bottom:-30%;left:-10%;width:400px;height:400px;background:radial-gradient(circle,rgba(232,93,58,0.1) 0%,transparent 70%);border-radius:50%;pointer-events:none}
    .hero-grid{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center;position:relative;z-index:1}
    .hero-content h1{color:#fff;margin-bottom:20px;font-weight:800}
    .hero-content h1 span{color:var(--secondary-light)}
    .hero-content p{color:rgba(255,255,255,0.75);font-size:1.1rem;max-width:520px;line-height:1.7;margin-bottom:32px}
    .hero-actions{display:flex;flex-wrap:wrap;gap:16px}
    .hero-actions .btn-primary{background:var(--secondary);color:#fff;padding:14px 36px;border-radius:var(--radius);font-weight:600;font-size:1rem;transition:var(--transition);display:inline-flex;align-items:center;gap:8px}
    .hero-actions .btn-primary:hover{background:var(--secondary-light);transform:translateY(-2px);box-shadow:0 8px 32px rgba(42,157,143,0.35)}
    .hero-actions .btn-outline{background:transparent;color:#fff;border:2px solid rgba(255,255,255,0.3);padding:14px 36px;border-radius:var(--radius);font-weight:600;font-size:1rem;transition:var(--transition);display:inline-flex;align-items:center;gap:8px}
    .hero-actions .btn-outline:hover{border-color:var(--secondary);background:rgba(42,157,143,0.1);transform:translateY(-2px)}
    .hero-visual{display:flex;justify-content:center;align-items:center;position:relative}
    .hero-card{background:rgba(255,255,255,0.08);backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);border:1px solid rgba(255,255,255,0.12);border-radius:var(--radius-lg);padding:36px 32px;width:100%;max-width:440px;color:#fff}
    .hero-card .stat-row{display:grid;grid-template-columns:1fr 1fr;gap:20px;margin-bottom:24px}
    .hero-card .stat-item{text-align:center}
    .hero-card .stat-item .num{font-size:2rem;font-weight:800;color:var(--secondary-light)}
    .hero-card .stat-item .label{font-size:0.85rem;color:rgba(255,255,255,0.6);margin-top:4px}
    .hero-card .tags{display:flex;flex-wrap:wrap;gap:8px;justify-content:center}
    .hero-card .tags span{background:rgba(255,255,255,0.1);padding:6px 16px;border-radius:20px;font-size:0.8rem;color:rgba(255,255,255,0.8)}

    /* ===== Buttons ===== */
    .btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:12px 28px;border-radius:var(--radius);font-weight:600;font-size:0.95rem;transition:var(--transition);cursor:pointer;border:none}
    .btn-primary{background:var(--secondary);color:#fff}
    .btn-primary:hover{background:var(--secondary-dark);transform:translateY(-2px);box-shadow:0 6px 24px rgba(42,157,143,0.3)}
    .btn-accent{background:var(--accent);color:#fff}
    .btn-accent:hover{background:var(--accent-light);transform:translateY(-2px);box-shadow:0 6px 24px rgba(232,93,58,0.3)}
    .btn-outline{border:2px solid var(--border);background:transparent;color:var(--text)}
    .btn-outline:hover{border-color:var(--secondary);color:var(--secondary);background:rgba(42,157,143,0.04)}
    .btn-sm{padding:8px 18px;font-size:0.85rem;border-radius:var(--radius-sm)}
    .btn-lg{padding:16px 40px;font-size:1.05rem;border-radius:var(--radius-lg)}

    /* ===== Cards ===== */
    .card{background:var(--bg-card);border-radius:var(--radius);border:1px solid var(--border);padding:28px 24px;transition:var(--transition);box-shadow:var(--shadow-sm)}
    .card:hover{box-shadow:var(--shadow-hover);transform:translateY(-3px);border-color:transparent}
    .card-icon{width:52px;height:52px;border-radius:var(--radius-sm);display:flex;align-items:center;justify-content:center;font-size:1.4rem;color:#fff;margin-bottom:16px;background:var(--secondary)}
    .card h3{font-size:1.1rem;margin-bottom:8px}
    .card p{font-size:0.92rem;color:var(--text-light);line-height:1.6}
    .card .tag{display:inline-block;padding:4px 12px;border-radius:20px;font-size:0.75rem;font-weight:500;background:rgba(42,157,143,0.1);color:var(--secondary);margin-bottom:10px}

    /* ===== Category Cards ===== */
    .cat-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
    .cat-card{background:var(--bg-card);border-radius:var(--radius);border:1px solid var(--border);padding:32px 24px;text-align:center;transition:var(--transition);box-shadow:var(--shadow-sm);position:relative;overflow:hidden}
    .cat-card::before{content:'';position:absolute;top:0;left:0;right:0;height:4px;background:var(--secondary);opacity:0;transition:var(--transition)}
    .cat-card:hover{box-shadow:var(--shadow-hover);transform:translateY(-4px)}
    .cat-card:hover::before{opacity:1}
    .cat-card .cat-icon{width:64px;height:64px;border-radius:50%;background:rgba(42,157,143,0.1);display:flex;align-items:center;justify-content:center;margin:0 auto 16px;font-size:1.6rem;color:var(--secondary);transition:var(--transition)}
    .cat-card:hover .cat-icon{background:var(--secondary);color:#fff;transform:scale(1.05)}
    .cat-card h3{font-size:1.15rem;margin-bottom:8px}
    .cat-card p{font-size:0.9rem;color:var(--text-light);margin-bottom:16px}
    .cat-card .btn{font-size:0.85rem;padding:8px 20px}

    /* ===== Content / News List ===== */
    .news-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
    .news-card{background:var(--bg-card);border-radius:var(--radius);border:1px solid var(--border);padding:24px;transition:var(--transition);box-shadow:var(--shadow-sm);display:flex;flex-direction:column}
    .news-card:hover{box-shadow:var(--shadow-hover);transform:translateY(-2px);border-color:transparent}
    .news-card .meta{display:flex;align-items:center;gap:12px;font-size:0.8rem;color:var(--text-muted);margin-bottom:10px}
    .news-card .meta .cat{background:rgba(42,157,143,0.1);color:var(--secondary);padding:2px 12px;border-radius:12px;font-weight:500}
    .news-card .meta .date{color:var(--text-light)}
    .news-card h3{font-size:1.05rem;margin-bottom:8px;line-height:1.4;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
    .news-card p{font-size:0.9rem;color:var(--text-light);margin-bottom:16px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;flex:1}
    .news-card .read-more{color:var(--secondary);font-weight:600;font-size:0.85rem;display:inline-flex;align-items:center;gap:6px;align-self:flex-start}
    .news-card .read-more i{font-size:0.75rem;transition:var(--transition)}
    .news-card .read-more:hover i{transform:translateX(4px)}
    .news-empty{padding:48px 24px;text-align:center;color:var(--text-light);background:var(--bg-card);border-radius:var(--radius);border:1px dashed var(--border);grid-column:1/-1}

    /* ===== Stats ===== */
    .stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
    .stat-card{background:var(--bg-card);border-radius:var(--radius);padding:32px 20px;text-align:center;border:1px solid var(--border);transition:var(--transition)}
    .stat-card:hover{box-shadow:var(--shadow);transform:translateY(-2px)}
    .stat-card .num{font-size:2.4rem;font-weight:800;color:var(--secondary);line-height:1.1}
    .stat-card .num .suffix{font-size:1.2rem;color:var(--text-light)}
    .stat-card .label{font-size:0.9rem;color:var(--text-light);margin-top:8px}

    /* ===== Steps / Process ===== */
    .steps-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:32px;counter-reset:step}
    .step-card{background:var(--bg-card);border-radius:var(--radius);padding:32px 24px;border:1px solid var(--border);position:relative;transition:var(--transition);box-shadow:var(--shadow-sm)}
    .step-card:hover{box-shadow:var(--shadow-hover);transform:translateY(-3px)}
    .step-card .step-num{font-size:3rem;font-weight:800;color:rgba(42,157,143,0.12);line-height:1;position:absolute;top:16px;right:20px;pointer-events:none}
    .step-card .step-icon{width:48px;height:48px;border-radius:50%;background:var(--secondary);color:#fff;display:flex;align-items:center;justify-content:center;font-size:1.2rem;margin-bottom:16px}
    .step-card h3{font-size:1.1rem;margin-bottom:8px}
    .step-card p{font-size:0.9rem;color:var(--text-light)}

    /* ===== FAQ ===== */
    .faq-list{max-width:800px;margin:0 auto;display:flex;flex-direction:column;gap:12px}
    .faq-item{background:var(--bg-card);border-radius:var(--radius);border:1px solid var(--border);overflow:hidden;transition:var(--transition)}
    .faq-item:hover{border-color:var(--secondary-light)}
    .faq-q{display:flex;align-items:center;justify-content:space-between;padding:18px 24px;cursor:pointer;font-weight:600;font-size:1rem;color:var(--text);transition:var(--transition);gap:16px}
    .faq-q i{color:var(--secondary);transition:var(--transition);font-size:0.9rem;flex-shrink:0}
    .faq-item.active .faq-q i{transform:rotate(180deg)}
    .faq-a{padding:0 24px;max-height:0;overflow:hidden;transition:max-height 0.4s ease,padding 0.3s ease}
    .faq-item.active .faq-a{max-height:300px;padding:0 24px 20px}
    .faq-a p{font-size:0.95rem;color:var(--text-light);line-height:1.7}

    /* ===== CTA ===== */
    .cta{background:linear-gradient(135deg,var(--primary) 0%,var(--primary-light) 100%);border-radius:var(--radius-lg);padding:clamp(40px,6vw,72px) clamp(32px,5vw,60px);text-align:center;position:relative;overflow:hidden}
    .cta::before{content:'';position:absolute;top:-50%;right:-20%;width:400px;height:400px;background:radial-gradient(circle,rgba(42,157,143,0.12) 0%,transparent 70%);border-radius:50%;pointer-events:none}
    .cta h2{color:#fff;font-size:clamp(1.5rem,3vw,2rem);margin-bottom:12px}
    .cta p{color:rgba(255,255,255,0.7);max-width:560px;margin:0 auto 28px;font-size:1.05rem}
    .cta .btn-group{display:flex;flex-wrap:wrap;gap:16px;justify-content:center}
    .cta .btn-primary{background:#fff;color:var(--primary);padding:14px 36px}
    .cta .btn-primary:hover{background:var(--secondary-light);color:#fff;box-shadow:0 8px 32px rgba(42,157,143,0.3)}
    .cta .btn-outline-light{border:2px solid rgba(255,255,255,0.4);color:#fff;padding:14px 36px;border-radius:var(--radius);font-weight:600;transition:var(--transition)}
    .cta .btn-outline-light:hover{border-color:#fff;background:rgba(255,255,255,0.1)}

    /* ===== Footer ===== */
    .footer{background:var(--primary-dark);color:rgba(255,255,255,0.7);padding:48px 0 32px;margin-top:48px}
    .footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:40px;padding-bottom:32px;border-bottom:1px solid rgba(255,255,255,0.08);margin-bottom:24px}
    .footer-brand .logo{color:#fff;font-size:1.2rem;padding:0;margin-bottom:12px}
    .footer-brand .logo i{color:var(--secondary-light)}
    .footer-brand p{font-size:0.9rem;color:rgba(255,255,255,0.5);max-width:320px;line-height:1.6}
    .footer-col h4{color:#fff;font-size:0.95rem;margin-bottom:16px;font-weight:600}
    .footer-col ul li{margin-bottom:10px}
    .footer-col ul li a{font-size:0.88rem;color:rgba(255,255,255,0.55);transition:var(--transition)}
    .footer-col ul li a:hover{color:var(--secondary-light);padding-left:4px}
    .footer-bottom{display:flex;flex-wrap:wrap;justify-content:space-between;align-items:center;gap:12px;font-size:0.82rem;color:rgba(255,255,255,0.4)}
    .footer-bottom a{color:rgba(255,255,255,0.5)}
    .footer-bottom a:hover{color:var(--secondary-light)}

    /* ===== Mobile Nav ===== */
    .mobile-menu{display:none;position:fixed;top:var(--header-h);left:0;right:0;background:rgba(255,255,255,0.98);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border-bottom:1px solid var(--border);padding:16px 24px 24px;z-index:999;box-shadow:var(--shadow-lg);transform:translateY(-120%);opacity:0;transition:all 0.4s cubic-bezier(0.4,0,0.2,1)}
    .mobile-menu.open{transform:translateY(0);opacity:1}
    .mobile-menu .nav-link{display:block;padding:12px 16px;font-size:1rem;border-bottom:1px solid var(--border-light)}
    .mobile-menu .nav-link:last-child{border-bottom:none}
    .mobile-menu .nav-cta{display:flex;margin-top:12px;justify-content:center}

    /* ===== Responsive ===== */
    @media (max-width:1024px){
        .hero-grid{grid-template-columns:1fr;gap:40px;text-align:center}
        .hero-content p{margin:0 auto 32px}
        .hero-actions{justify-content:center}
        .hero-visual{order:-1}
        .hero-card{max-width:100%}
        .stats-grid{grid-template-columns:repeat(2,1fr)}
        .footer-grid{grid-template-columns:repeat(2,1fr);gap:32px}
    }
    @media (max-width:768px){
        .nav-left .nav-link,.nav-right .nav-link{display:none}
        .nav-right .nav-cta{display:none}
        .nav-toggle{display:flex}
        .mobile-menu{display:block}
        .cat-grid{grid-template-columns:1fr;gap:16px}
        .news-grid{grid-template-columns:1fr;gap:16px}
        .steps-grid{grid-template-columns:1fr;gap:20px}
        .stats-grid{grid-template-columns:repeat(2,1fr);gap:16px}
        .footer-grid{grid-template-columns:1fr;gap:24px}
        .hero{padding-top:60px}
        .hero-card{padding:24px 20px}
        .hero-card .stat-row{gap:12px}
        .hero-card .stat-item .num{font-size:1.5rem}
        .section{padding:40px 0}
        .cta{padding:32px 20px}
        .faq-q{padding:14px 18px;font-size:0.95rem}
    }
    @media (max-width:520px){
        :root{--header-h:60px}
        .header-inner{padding:0 16px}
        .container{padding:0 16px}
        .logo{font-size:1.1rem}
        .hero{padding-top:50px}
        .stats-grid{grid-template-columns:1fr 1fr;gap:12px}
        .stat-card{padding:20px 12px}
        .stat-card .num{font-size:1.8rem}
        .hero-actions .btn-primary,.hero-actions .btn-outline{padding:12px 24px;font-size:0.9rem}
        .btn-lg{padding:14px 28px;font-size:0.95rem}
    }

    /* ===== Utility ===== */
    .text-center{text-align:center}
    .mt-8{margin-top:8px}
    .mt-16{margin-top:16px}
    .mt-24{margin-top:24px}
    .mt-32{margin-top:32px}
    .mb-16{margin-bottom:16px}
    .gap-8{gap:8px}
    .gap-16{gap:16px}
    .flex-center{display:flex;align-items:center;justify-content:center}
    .grid-2{display:grid;grid-template-columns:1fr 1fr;gap:24px}
    .grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
    @media (max-width:768px){
        .grid-2,.grid-3{grid-template-columns:1fr}
    }

    /* focus accessibility */
    a:focus-visible,button:focus-visible,input:focus-visible,textarea:focus-visible{outline:3px solid var(--secondary);outline-offset:2px;border-radius:4px}

    /* breadcrumb */
    .breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:0.85rem;color:var(--text-light);margin-bottom:20px;padding:12px 0}
    .breadcrumb a{color:var(--text-light);transition:var(--transition)}
    .breadcrumb a:hover{color:var(--secondary)}
    .breadcrumb i{font-size:0.65rem;color:var(--text-muted)}

    /* article specific */
    .article-body{max-width:800px;margin:0 auto;background:var(--bg-card);border-radius:var(--radius);border:1px solid var(--border);padding:clamp(24px,4vw,48px);box-shadow:var(--shadow-sm)}
    .article-body h1{font-size:clamp(1.5rem,3vw,2.2rem);margin-bottom:12px}
    .article-meta{display:flex;flex-wrap:wrap;gap:16px;font-size:0.88rem;color:var(--text-light);margin-bottom:28px;padding-bottom:20px;border-bottom:1px solid var(--border)}
    .article-meta span{display:flex;align-items:center;gap:6px}
    .article-meta .cat{color:var(--secondary);font-weight:600}
    .article-content{font-size:1rem;line-height:1.85;color:var(--text-secondary)}
    .article-content p{margin-bottom:1.2rem}
    .article-content img{border-radius:var(--radius);margin:24px 0;width:100%}
    .article-content h2,.article-content h3{margin-top:32px;margin-bottom:12px}
    .article-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:32px;padding-top:20px;border-top:1px solid var(--border)}
    .article-tags span{background:var(--bg);padding:6px 16px;border-radius:20px;font-size:0.82rem;color:var(--text-light)}

    /* category hero */
    .cat-hero{background:linear-gradient(135deg,var(--primary) 0%,var(--primary-light) 100%);padding:clamp(48px,6vw,80px) 0;margin-top:var(--header-h);text-align:center;position:relative}
    .cat-hero h1{color:#fff;font-size:clamp(1.6rem,3.5vw,2.4rem);margin-bottom:12px}
    .cat-hero p{color:rgba(255,255,255,0.7);max-width:600px;margin:0 auto;font-size:1.05rem}

/* roulang page: article */
/* ===== 设计变量 ===== */
:root {
  --primary: #1e40af;
  --primary-light: #2563eb;
  --primary-dark: #1e3a8a;
  --secondary: #059669;
  --secondary-light: #10b981;
  --accent: #f59e0b;
  --bg: #f8fafc;
  --bg-card: #ffffff;
  --bg-dark: #0f172a;
  --text: #1e293b;
  --text-light: #64748b;
  --text-white: #f1f5f9;
  --border: #e2e8f0;
  --radius: 12px;
  --radius-sm: 8px;
  --radius-lg: 20px;
  --shadow: 0 4px 24px rgba(0,0,0,0.06);
  --shadow-lg: 0 12px 48px rgba(0,0,0,0.10);
  --shadow-hover: 0 12px 40px rgba(30,64,175,0.12);
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --font: 'Inter', system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
  --max-width: 1200px;
  --header-h: 72px;
}

/* ===== Reset & Base ===== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font);
  color: var(--text);
  background: var(--bg);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}
a { color: var(--primary-light); text-decoration: none; transition: var(--transition); }
a:hover { color: var(--primary-dark); }
img { max-width: 100%; height: auto; display: block; }
button, input, textarea { font-family: inherit; font-size: inherit; }
ul, ol { list-style: none; }
h1, h2, h3, h4, h5, h6 { font-weight: 700; line-height: 1.25; color: var(--text); }

/* ===== 容器 ===== */
.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}
.container-narrow {
  max-width: 800px;
}

/* ===== Header / 导航 ===== */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(255,255,255,0.95);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  height: var(--header-h);
  transition: var(--transition);
}
.header-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}
.logo {
  font-size: 1.35rem;
  font-weight: 800;
  color: var(--primary);
  display: flex;
  align-items: center;
  gap: 10px;
  letter-spacing: -0.5px;
  white-space: nowrap;
  flex-shrink: 0;
}
.logo i { color: var(--secondary); font-size: 1.2rem; }
.logo:hover { color: var(--primary-dark); }
.nav-left, .nav-right {
  display: flex;
  align-items: center;
  gap: 8px;
}
.nav-link {
  padding: 8px 16px;
  border-radius: var(--radius-sm);
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-light);
  transition: var(--transition);
  white-space: nowrap;
}
.nav-link:hover { color: var(--primary); background: rgba(30,64,175,0.06); }
.nav-link.active { color: var(--primary); background: rgba(30,64,175,0.10); font-weight: 600; }
.nav-cta {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 20px;
  border-radius: 50px;
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  color: #fff !important;
  font-weight: 600;
  font-size: 0.85rem;
  box-shadow: 0 4px 14px rgba(30,64,175,0.30);
  transition: var(--transition);
  white-space: nowrap;
}
.nav-cta:hover { transform: translateY(-2px); box-shadow: 0 8px 28px rgba(30,64,175,0.35); }
.nav-cta i { font-size: 0.8rem; }
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
  border-radius: 6px;
  transition: var(--transition);
}
.nav-toggle span {
  display: block;
  width: 26px;
  height: 2.5px;
  background: var(--text);
  border-radius: 4px;
  transition: var(--transition);
}
.nav-toggle:hover { background: rgba(30,64,175,0.08); }

/* ===== 文章主体 ===== */
.article-wrapper {
  padding-top: calc(var(--header-h) + 40px);
  padding-bottom: 60px;
}

/* 文章头部 */
.article-header {
  background: linear-gradient(135deg, #1e3a8a 0%, #1e40af 50%, #1e3a8a 100%);
  padding: 60px 0 50px;
  color: #fff;
  position: relative;
  overflow: hidden;
}
.article-header::before {
  content: '';
  position: absolute;
  top: -30%;
  right: -10%;
  width: 500px;
  height: 500px;
  border-radius: 50%;
  background: rgba(255,255,255,0.04);
  pointer-events: none;
}
.article-header::after {
  content: '';
  position: absolute;
  bottom: -20%;
  left: -5%;
  width: 400px;
  height: 400px;
  border-radius: 50%;
  background: rgba(16,185,129,0.06);
  pointer-events: none;
}
.article-header .container {
  position: relative;
  z-index: 2;
}
.article-breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 20px;
  font-size: 0.85rem;
  color: rgba(255,255,255,0.7);
}
.article-breadcrumb a { color: rgba(255,255,255,0.8); }
.article-breadcrumb a:hover { color: #fff; }
.article-breadcrumb .sep { color: rgba(255,255,255,0.4); }
.article-category-badge {
  display: inline-block;
  padding: 4px 16px;
  border-radius: 50px;
  background: rgba(255,255,255,0.15);
  color: #fff;
  font-size: 0.8rem;
  font-weight: 600;
  margin-bottom: 16px;
  backdrop-filter: blur(4px);
  border: 1px solid rgba(255,255,255,0.10);
}
.article-header h1 {
  font-size: 2.4rem;
  font-weight: 800;
  color: #fff;
  line-height: 1.2;
  max-width: 900px;
  margin-bottom: 20px;
  letter-spacing: -0.5px;
}
.article-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 20px;
  font-size: 0.9rem;
  color: rgba(255,255,255,0.75);
}
.article-meta span {
  display: flex;
  align-items: center;
  gap: 6px;
}
.article-meta i { font-size: 0.85rem; }
.article-meta .author { font-weight: 500; color: rgba(255,255,255,0.9); }

/* 文章正文区域 */
.article-body-section {
  padding: 50px 0 40px;
  background: #fff;
}
.article-body {
  font-size: 1.05rem;
  line-height: 1.9;
  color: var(--text);
}
.article-body p { margin-bottom: 1.5em; }
.article-body h2 { font-size: 1.6rem; margin: 2em 0 0.8em; color: var(--primary); }
.article-body h3 { font-size: 1.25rem; margin: 1.8em 0 0.6em; }
.article-body ul, .article-body ol { margin: 1em 0 1.5em 1.5em; }
.article-body li { margin-bottom: 0.5em; }
.article-body ul li { list-style: disc; }
.article-body ol li { list-style: decimal; }
.article-body a { color: var(--primary-light); text-decoration: underline; }
.article-body a:hover { color: var(--primary-dark); }
.article-body blockquote {
  border-left: 4px solid var(--primary-light);
  background: #f0f4ff;
  padding: 16px 24px;
  margin: 1.5em 0;
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  color: var(--text-light);
  font-style: italic;
}
.article-body img {
  border-radius: var(--radius);
  margin: 2em 0;
  box-shadow: var(--shadow);
}
.article-body pre {
  background: var(--bg-dark);
  color: #e2e8f0;
  padding: 20px 24px;
  border-radius: var(--radius);
  overflow-x: auto;
  margin: 1.5em 0;
  font-size: 0.9rem;
}
.article-body code {
  background: #eef2ff;
  padding: 2px 8px;
  border-radius: 4px;
  font-size: 0.9em;
  color: var(--primary);
}

/* 文章标签与分享 */
.article-footer-meta {
  padding: 30px 0;
  border-top: 1px solid var(--border);
  margin-top: 40px;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}
.article-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.tag {
  display: inline-block;
  padding: 4px 14px;
  border-radius: 50px;
  background: #eef2ff;
  color: var(--primary);
  font-size: 0.8rem;
  font-weight: 500;
  transition: var(--transition);
}
.tag:hover { background: var(--primary); color: #fff; }
.article-share {
  display: flex;
  align-items: center;
  gap: 10px;
}
.article-share span { font-size: 0.85rem; color: var(--text-light); }
.share-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--bg);
  color: var(--text-light);
  font-size: 0.95rem;
  transition: var(--transition);
  border: 1px solid var(--border);
}
.share-btn:hover { background: var(--primary); color: #fff; border-color: var(--primary); }

/* 空文章状态 */
.article-empty {
  text-align: center;
  padding: 80px 24px;
  background: #fff;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}
.article-empty i { font-size: 3.5rem; color: var(--text-light); margin-bottom: 20px; opacity: 0.5; }
.article-empty h2 { font-size: 1.6rem; color: var(--text); margin-bottom: 12px; }
.article-empty p { color: var(--text-light); margin-bottom: 24px; }
.article-empty .btn { display: inline-block; }

/* ===== 按钮 ===== */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 28px;
  border-radius: 50px;
  font-weight: 600;
  font-size: 0.9rem;
  border: none;
  cursor: pointer;
  transition: var(--transition);
  text-decoration: none;
}
.btn-primary {
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  color: #fff !important;
  box-shadow: 0 4px 16px rgba(30,64,175,0.25);
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 8px 30px rgba(30,64,175,0.35); }
.btn-outline {
  background: transparent;
  color: var(--primary) !important;
  border: 2px solid var(--primary);
}
.btn-outline:hover { background: var(--primary); color: #fff !important; }
.btn-white {
  background: #fff;
  color: var(--primary) !important;
  box-shadow: 0 4px 16px rgba(0,0,0,0.08);
}
.btn-white:hover { transform: translateY(-2px); box-shadow: 0 8px 28px rgba(0,0,0,0.12); }

/* ===== 相关推荐 ===== */
.related-section {
  padding: 60px 0;
  background: var(--bg);
}
.related-section .section-title {
  text-align: center;
  margin-bottom: 40px;
}
.related-section .section-title h2 {
  font-size: 1.8rem;
  color: var(--text);
  margin-bottom: 8px;
}
.related-section .section-title p {
  color: var(--text-light);
  font-size: 1rem;
}
.related-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}
.related-card {
  background: var(--bg-card);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: var(--transition);
  border: 1px solid var(--border);
}
.related-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-hover); }
.related-card-img {
  height: 160px;
  background: linear-gradient(135deg, #e0e7ff, #dbeafe);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary-light);
  font-size: 2.2rem;
}
.related-card-body {
  padding: 16px 18px 18px;
}
.related-card-body h3 {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text);
  line-height: 1.4;
  margin-bottom: 8px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.related-card-body h3 a { color: var(--text); }
.related-card-body h3 a:hover { color: var(--primary); }
.related-card-meta {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 0.8rem;
  color: var(--text-light);
}
.related-card-meta .cat { color: var(--secondary); font-weight: 500; }

/* ===== CTA ===== */
.cta-section {
  padding: 60px 0;
  background: linear-gradient(135deg, var(--primary) 0%, #1e3a8a 100%);
  text-align: center;
  color: #fff;
}
.cta-section h2 {
  font-size: 2rem;
  font-weight: 800;
  margin-bottom: 12px;
  color: #fff;
}
.cta-section p {
  font-size: 1.05rem;
  opacity: 0.85;
  max-width: 600px;
  margin: 0 auto 28px;
}
.cta-section .btn-white { font-size: 1rem; padding: 14px 36px; }

/* ===== 页脚 ===== */
.footer {
  background: var(--bg-dark);
  color: var(--text-white);
  padding: 50px 0 0;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.6fr 1fr 1fr 1.2fr;
  gap: 40px;
  margin-bottom: 40px;
}
.footer-brand .logo { color: #fff; font-size: 1.2rem; margin-bottom: 12px; padding: 0; display: flex; align-items: center; gap: 10px; }
.footer-brand p { font-size: 0.9rem; line-height: 1.7; color: rgba(255,255,255,0.7); }
.footer-col h4 { font-size: 0.95rem; font-weight: 600; color: #fff; margin-bottom: 16px; }
.footer-col ul li { margin-bottom: 10px; }
.footer-col ul li a { color: rgba(255,255,255,0.65); font-size: 0.9rem; transition: var(--transition); }
.footer-col ul li a:hover { color: #fff; padding-left: 4px; }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.08);
  padding: 20px 0;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  font-size: 0.82rem;
  color: rgba(255,255,255,0.5);
}
.footer-bottom a { color: rgba(255,255,255,0.6); }
.footer-bottom a:hover { color: #fff; }

/* ===== 响应式 ===== */
@media (max-width: 1024px) {
  .related-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
  .nav-left, .nav-right { display: none; }
  .nav-toggle { display: flex; }
  .header-inner { justify-content: space-between; }
  .logo { font-size: 1.1rem; }
  .article-header { padding: 40px 0 36px; }
  .article-header h1 { font-size: 1.65rem; }
  .article-meta { gap: 12px; font-size: 0.8rem; }
  .article-body { font-size: 1rem; }
  .article-footer-meta { flex-direction: column; align-items: flex-start; }
  .related-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; gap: 28px; }
  .footer-bottom { flex-direction: column; text-align: center; }
}

@media (max-width: 520px) {
  .article-header h1 { font-size: 1.35rem; }
  .article-body { font-size: 0.95rem; }
  .container { padding: 0 16px; }
  .cta-section h2 { font-size: 1.4rem; }
  .cta-section p { font-size: 0.95rem; }
}

/* ===== 移动端导航菜单 ===== */
@media (max-width: 768px) {
  .nav-left.show, .nav-right.show {
    display: flex;
    flex-direction: column;
    align-items: stretch;
    position: fixed;
    top: var(--header-h);
    left: 0;
    right: 0;
    background: rgba(255,255,255,0.98);
    backdrop-filter: blur(12px);
    padding: 16px 24px 24px;
    gap: 6px;
    box-shadow: 0 12px 40px rgba(0,0,0,0.10);
    border-bottom: 1px solid var(--border);
    z-index: 999;
  }
  .nav-left.show { top: var(--header-h); }
  .nav-right.show { top: calc(var(--header-h) + 200px); }
  .nav-left.show .nav-link, .nav-right.show .nav-link {
    padding: 12px 16px;
    font-size: 1rem;
    border-radius: 8px;
  }
  .nav-right.show .nav-cta {
    margin-top: 8px;
    justify-content: center;
    padding: 12px 20px;
  }
}

/* ===== 额外细节 ===== */
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0; }
.fade-in { animation: fadeIn 0.6s ease forwards; }
@keyframes fadeIn { from { opacity: 0; transform: translateY(16px); } to { opacity: 1; transform: translateY(0); } }

/* roulang page: category1 */
/* ========== Design Variables ========== */
        :root {
            --clr-primary: #e63946;
            --clr-primary-dark: #c1121f;
            --clr-primary-light: #ff6b6b;
            --clr-secondary: #1d3557;
            --clr-secondary-light: #2b4d7a;
            --clr-accent: #f4a261;
            --clr-bg: #ffffff;
            --clr-bg-alt: #f8f9fc;
            --clr-bg-card: #ffffff;
            --clr-text: #1a1a2e;
            --clr-text-light: #555b6e;
            --clr-text-muted: #8d93a6;
            --clr-border: #e2e6ef;
            --clr-border-light: #f0f2f7;
            --clr-success: #2a9d8f;
            --clr-warning: #e9c46a;
            --shadow-sm: 0 2px 8px rgba(0,0,0,0.06);
            --shadow-md: 0 6px 24px rgba(0,0,0,0.08);
            --shadow-lg: 0 16px 48px rgba(0,0,0,0.12);
            --radius-sm: 8px;
            --radius-md: 14px;
            --radius-lg: 20px;
            --radius-xl: 28px;
            --space-xs: 6px;
            --space-sm: 12px;
            --space-md: 24px;
            --space-lg: 48px;
            --space-xl: 80px;
            --font-base: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
            --transition: 0.26s cubic-bezier(0.4, 0, 0.2, 1);
        }

        /* ========== Reset & Base ========== */
        *, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
        html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
        body {
            font-family: var(--font-base);
            color: var(--clr-text);
            background: var(--clr-bg);
            line-height: 1.7;
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        img { max-width: 100%; height: auto; display: block; }
        a { color: inherit; text-decoration: none; transition: var(--transition); }
        a:focus-visible { outline: 3px solid var(--clr-primary); outline-offset: 3px; border-radius: 4px; }
        button { cursor: pointer; font-family: inherit; font-size: inherit; border: none; background: none; }
        ul, ol { list-style: none; }
        input, textarea { font-family: inherit; font-size: inherit; }

        /* ========== Container ========== */
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 var(--space-md);
        }
        .container-narrow { max-width: 960px; }
        .container-wide { max-width: 1400px; }

        /* ========== Typography ========== */
        .section-title {
            font-size: 2.2rem;
            font-weight: 700;
            line-height: 1.25;
            margin-bottom: var(--space-sm);
            color: var(--clr-secondary);
            letter-spacing: -0.02em;
        }
        .section-subtitle {
            font-size: 1.08rem;
            color: var(--clr-text-light);
            max-width: 640px;
            margin: 0 auto var(--space-lg);
            text-align: center;
            line-height: 1.7;
        }
        .section-header {
            text-align: center;
            margin-bottom: var(--space-lg);
        }
        .section-header .section-title { margin-bottom: var(--space-xs); }
        .tag {
            display: inline-block;
            background: var(--clr-primary);
            color: #fff;
            font-size: 0.75rem;
            font-weight: 600;
            padding: 2px 14px;
            border-radius: 30px;
            letter-spacing: 0.02em;
            text-transform: uppercase;
            margin-bottom: var(--space-sm);
        }
        .tag-secondary {
            background: var(--clr-secondary);
        }
        .tag-accent {
            background: var(--clr-accent);
            color: var(--clr-secondary);
        }

        /* ========== Buttons ========== */
        .btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-weight: 600;
            font-size: 1rem;
            padding: 14px 32px;
            border-radius: 50px;
            transition: var(--transition);
            border: 2px solid transparent;
            line-height: 1.2;
            letter-spacing: 0.01em;
        }
        .btn-primary {
            background: var(--clr-primary);
            color: #fff;
            border-color: var(--clr-primary);
        }
        .btn-primary:hover {
            background: var(--clr-primary-dark);
            border-color: var(--clr-primary-dark);
            transform: translateY(-2px);
            box-shadow: 0 12px 28px rgba(230, 57, 70, 0.3);
        }
        .btn-secondary {
            background: var(--clr-secondary);
            color: #fff;
            border-color: var(--clr-secondary);
        }
        .btn-secondary:hover {
            background: var(--clr-secondary-light);
            border-color: var(--clr-secondary-light);
            transform: translateY(-2px);
            box-shadow: 0 12px 28px rgba(29, 53, 87, 0.3);
        }
        .btn-outline {
            background: transparent;
            color: var(--clr-secondary);
            border-color: var(--clr-border);
        }
        .btn-outline:hover {
            border-color: var(--clr-primary);
            color: var(--clr-primary);
            background: rgba(230, 57, 70, 0.04);
            transform: translateY(-2px);
        }
        .btn-sm {
            padding: 10px 22px;
            font-size: 0.88rem;
        }
        .btn-lg {
            padding: 18px 44px;
            font-size: 1.12rem;
        }
        .btn i { font-size: 0.9em; }

        /* ========== Badge / Label ========== */
        .badge {
            display: inline-block;
            background: var(--clr-bg-alt);
            color: var(--clr-text-light);
            font-size: 0.78rem;
            font-weight: 500;
            padding: 4px 14px;
            border-radius: 30px;
            border: 1px solid var(--clr-border-light);
        }
        .badge-primary {
            background: rgba(230, 57, 70, 0.08);
            color: var(--clr-primary);
            border-color: rgba(230, 57, 70, 0.15);
        }
        .badge-hot {
            background: rgba(230, 57, 70, 0.12);
            color: var(--clr-primary-dark);
            border-color: rgba(230, 57, 70, 0.2);
            font-weight: 600;
        }

        /* ========== Header / Navigation ========== */
        .header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(255,255,255,0.92);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-bottom: 1px solid var(--clr-border-light);
            transition: var(--transition);
        }
        .header-inner {
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 var(--space-md);
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 70px;
            gap: var(--space-sm);
        }
        .logo {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 1.32rem;
            font-weight: 700;
            color: var(--clr-secondary);
            letter-spacing: -0.02em;
            white-space: nowrap;
            flex-shrink: 0;
        }
        .logo i {
            color: var(--clr-primary);
            font-size: 1.4rem;
        }
        .logo:hover { color: var(--clr-primary); }
        .nav-left, .nav-right {
            display: flex;
            align-items: center;
            gap: 4px;
        }
        .nav-link {
            padding: 8px 18px;
            font-weight: 500;
            font-size: 0.92rem;
            color: var(--clr-text-light);
            border-radius: 30px;
            transition: var(--transition);
            position: relative;
        }
        .nav-link:hover {
            color: var(--clr-secondary);
            background: var(--clr-bg-alt);
        }
        .nav-link.active {
            color: var(--clr-primary);
            background: rgba(230, 57, 70, 0.06);
            font-weight: 600;
        }
        .nav-link.active::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 50%;
            transform: translateX(-50%);
            width: 20px;
            height: 3px;
            background: var(--clr-primary);
            border-radius: 4px;
        }
        .nav-cta {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 8px 22px;
            background: var(--clr-primary);
            color: #fff;
            border-radius: 30px;
            font-weight: 600;
            font-size: 0.9rem;
            transition: var(--transition);
        }
        .nav-cta:hover {
            background: var(--clr-primary-dark);
            transform: translateY(-1px);
            box-shadow: 0 8px 20px rgba(230, 57, 70, 0.3);
            color: #fff;
        }
        .nav-toggle {
            display: none;
            flex-direction: column;
            gap: 5px;
            padding: 8px;
            border-radius: 8px;
            background: transparent;
            transition: var(--transition);
        }
        .nav-toggle span {
            display: block;
            width: 26px;
            height: 2.5px;
            background: var(--clr-secondary);
            border-radius: 4px;
            transition: var(--transition);
        }
        .nav-toggle:hover span { background: var(--clr-primary); }

        /* ========== Hero ========== */
        .hero {
            background: linear-gradient(135deg, var(--clr-secondary) 0%, #0f1b33 100%);
            color: #fff;
            padding: var(--space-xl) 0 var(--space-lg);
            position: relative;
            overflow: hidden;
        }
        .hero::before {
            content: '';
            position: absolute;
            top: -40%;
            right: -20%;
            width: 600px;
            height: 600px;
            background: radial-gradient(circle, rgba(230,57,70,0.15) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }
        .hero::after {
            content: '';
            position: absolute;
            bottom: -30%;
            left: -10%;
            width: 500px;
            height: 500px;
            background: radial-gradient(circle, rgba(244,162,97,0.08) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }
        .hero .container { position: relative; z-index: 1; }
        .hero-content {
            max-width: 760px;
            text-align: center;
            margin: 0 auto;
        }
        .hero-badge {
            display: inline-block;
            background: rgba(255,255,255,0.1);
            backdrop-filter: blur(6px);
            padding: 6px 20px;
            border-radius: 30px;
            font-size: 0.82rem;
            font-weight: 500;
            color: rgba(255,255,255,0.8);
            border: 1px solid rgba(255,255,255,0.08);
            margin-bottom: var(--space-md);
        }
        .hero-title {
            font-size: 3.2rem;
            font-weight: 800;
            line-height: 1.15;
            margin-bottom: var(--space-md);
            letter-spacing: -0.02em;
            color: #fff;
        }
        .hero-title span { color: var(--clr-primary-light); }
        .hero-desc {
            font-size: 1.2rem;
            color: rgba(255,255,255,0.7);
            max-width: 580px;
            margin: 0 auto var(--space-lg);
            line-height: 1.7;
        }
        .hero-actions {
            display: flex;
            flex-wrap: wrap;
            gap: var(--space-sm);
            justify-content: center;
        }
        .hero-actions .btn-primary {
            background: var(--clr-primary);
            border-color: var(--clr-primary);
        }
        .hero-actions .btn-outline {
            border-color: rgba(255,255,255,0.3);
            color: #fff;
        }
        .hero-actions .btn-outline:hover {
            border-color: #fff;
            background: rgba(255,255,255,0.06);
        }

        /* ========== Section Spacing ========== */
        .section { padding: var(--space-xl) 0; }
        .section-alt { background: var(--clr-bg-alt); }
        .section-dark {
            background: var(--clr-secondary);
            color: #fff;
        }
        .section-dark .section-title { color: #fff; }
        .section-dark .section-subtitle { color: rgba(255,255,255,0.7); }

        /* ========== Cards ========== */
        .card {
            background: var(--clr-bg-card);
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--clr-border-light);
            transition: var(--transition);
            overflow: hidden;
        }
        .card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-4px);
        }
        .card-body { padding: var(--space-md); }
        .card-img {
            width: 100%;
            aspect-ratio: 16 / 9;
            object-fit: cover;
            background: var(--clr-bg-alt);
        }
        .card-title {
            font-size: 1.1rem;
            font-weight: 700;
            margin-bottom: 8px;
            color: var(--clr-secondary);
            line-height: 1.35;
        }
        .card-text {
            font-size: 0.92rem;
            color: var(--clr-text-light);
            line-height: 1.7;
        }
        .card-meta {
            display: flex;
            align-items: center;
            gap: var(--space-sm);
            font-size: 0.82rem;
            color: var(--clr-text-muted);
            margin-top: var(--space-sm);
        }
        .card-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-weight: 600;
            color: var(--clr-primary);
            font-size: 0.9rem;
            margin-top: var(--space-sm);
            transition: var(--transition);
        }
        .card-link:hover { gap: 10px; color: var(--clr-primary-dark); }

        /* ========== Grid ========== */
        .grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: var(--space-md); }
        .grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-md); }
        .grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--space-md); }

        /* ========== League / Category Cards ========== */
        .league-grid { gap: var(--space-sm); }
        .league-card {
            text-align: center;
            padding: var(--space-md) var(--space-sm);
            border-radius: var(--radius-md);
            background: var(--clr-bg-card);
            border: 1px solid var(--clr-border-light);
            transition: var(--transition);
        }
        .league-card:hover {
            border-color: var(--clr-primary);
            box-shadow: var(--shadow-md);
            transform: translateY(-3px);
        }
        .league-icon {
            width: 56px;
            height: 56px;
            margin: 0 auto var(--space-sm);
            background: var(--clr-bg-alt);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.6rem;
            color: var(--clr-secondary);
            transition: var(--transition);
        }
        .league-card:hover .league-icon {
            background: var(--clr-primary);
            color: #fff;
        }
        .league-name {
            font-weight: 700;
            font-size: 0.95rem;
            color: var(--clr-secondary);
        }
        .league-count {
            font-size: 0.78rem;
            color: var(--clr-text-muted);
            margin-top: 4px;
        }

        /* ========== Stats / Data Block ========== */
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: var(--space-md);
        }
        .stat-card {
            text-align: center;
            padding: var(--space-md);
            background: rgba(255,255,255,0.06);
            border-radius: var(--radius-md);
            border: 1px solid rgba(255,255,255,0.08);
            transition: var(--transition);
        }
        .stat-card:hover {
            background: rgba(255,255,255,0.1);
            transform: translateY(-3px);
        }
        .stat-number {
            font-size: 2.6rem;
            font-weight: 800;
            color: #fff;
            line-height: 1.1;
            letter-spacing: -0.02em;
        }
        .stat-label {
            font-size: 0.9rem;
            color: rgba(255,255,255,0.65);
            margin-top: 6px;
        }
        .stat-card .stat-number { color: var(--clr-primary-light); }
        .stat-card:nth-child(2) .stat-number { color: var(--clr-accent); }
        .stat-card:nth-child(3) .stat-number { color: #6bcbff; }
        .stat-card:nth-child(4) .stat-number { color: #95d5b2; }

        /* ========== News / Article List ========== */
        .news-list { display: flex; flex-direction: column; gap: var(--space-sm); }
        .news-item {
            display: flex;
            gap: var(--space-md);
            padding: var(--space-md);
            background: var(--clr-bg-card);
            border-radius: var(--radius-md);
            border: 1px solid var(--clr-border-light);
            transition: var(--transition);
            align-items: flex-start;
        }
        .news-item:hover {
            box-shadow: var(--shadow-sm);
            border-color: var(--clr-border);
        }
        .news-thumb {
            width: 160px;
            height: 110px;
            border-radius: var(--radius-sm);
            object-fit: cover;
            background: var(--clr-bg-alt);
            flex-shrink: 0;
        }
        .news-content { flex: 1; }
        .news-title {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--clr-secondary);
            margin-bottom: 6px;
            line-height: 1.4;
        }
        .news-title a:hover { color: var(--clr-primary); }
        .news-excerpt {
            font-size: 0.9rem;
            color: var(--clr-text-light);
            line-height: 1.7;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .news-meta {
            display: flex;
            align-items: center;
            gap: var(--space-sm);
            font-size: 0.8rem;
            color: var(--clr-text-muted);
            margin-top: 8px;
        }
        .news-meta .badge { font-size: 0.7rem; padding: 2px 10px; }

        /* ========== Schedule / Table ========== */
        .schedule-list { display: flex; flex-direction: column; gap: var(--space-sm); }
        .schedule-item {
            display: flex;
            align-items: center;
            gap: var(--space-md);
            padding: var(--space-sm) var(--space-md);
            background: var(--clr-bg-card);
            border-radius: var(--radius-sm);
            border: 1px solid var(--clr-border-light);
            transition: var(--transition);
        }
        .schedule-item:hover {
            border-color: var(--clr-border);
            box-shadow: var(--shadow-sm);
        }
        .schedule-date {
            font-weight: 600;
            font-size: 0.85rem;
            color: var(--clr-text-muted);
            min-width: 70px;
        }
        .schedule-teams {
            flex: 1;
            font-weight: 600;
            font-size: 0.95rem;
            color: var(--clr-secondary);
        }
        .schedule-league {
            font-size: 0.78rem;
            color: var(--clr-text-muted);
            padding: 2px 12px;
            background: var(--clr-bg-alt);
            border-radius: 20px;
        }
        .schedule-status {
            font-size: 0.78rem;
            font-weight: 600;
            color: var(--clr-primary);
            padding: 4px 14px;
            background: rgba(230,57,70,0.06);
            border-radius: 20px;
        }

        /* ========== FAQ ========== */
        .faq-list { max-width: 800px; margin: 0 auto; display: flex; flex-direction: column; gap: var(--space-sm); }
        .faq-item {
            background: var(--clr-bg-card);
            border: 1px solid var(--clr-border-light);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: var(--transition);
        }
        .faq-item:hover { border-color: var(--clr-border); }
        .faq-question {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: var(--space-md);
            font-weight: 600;
            font-size: 1rem;
            color: var(--clr-secondary);
            cursor: pointer;
            transition: var(--transition);
            gap: var(--space-sm);
        }
        .faq-question:hover { color: var(--clr-primary); }
        .faq-question i {
            font-size: 1.1rem;
            color: var(--clr-text-muted);
            transition: var(--transition);
            flex-shrink: 0;
        }
        .faq-item.active .faq-question i { transform: rotate(180deg); color: var(--clr-primary); }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease, padding 0.3s ease;
            padding: 0 var(--space-md);
            color: var(--clr-text-light);
            font-size: 0.95rem;
            line-height: 1.8;
        }
        .faq-item.active .faq-answer {
            max-height: 300px;
            padding: 0 var(--space-md) var(--space-md);
        }

        /* ========== CTA ========== */
        .cta-box {
            background: linear-gradient(135deg, var(--clr-secondary) 0%, #0f1b33 100%);
            border-radius: var(--radius-lg);
            padding: var(--space-lg) var(--space-xl);
            text-align: center;
            color: #fff;
            position: relative;
            overflow: hidden;
        }
        .cta-box::before {
            content: '';
            position: absolute;
            top: -50%;
            right: -20%;
            width: 400px;
            height: 400px;
            background: radial-gradient(circle, rgba(230,57,70,0.12) 0%, transparent 70%);
            border-radius: 50%;
        }
        .cta-box .container { position: relative; z-index: 1; }
        .cta-title {
            font-size: 2rem;
            font-weight: 700;
            margin-bottom: var(--space-sm);
        }
        .cta-desc {
            font-size: 1.05rem;
            color: rgba(255,255,255,0.7);
            max-width: 560px;
            margin: 0 auto var(--space-md);
        }
        .cta-box .btn-primary {
            background: var(--clr-primary);
            border-color: var(--clr-primary);
        }
        .cta-box .btn-primary:hover {
            background: var(--clr-primary-dark);
            box-shadow: 0 12px 28px rgba(230,57,70,0.4);
        }

        /* ========== Footer ========== */
        .footer {
            background: var(--clr-secondary);
            color: rgba(255,255,255,0.75);
            padding: var(--space-lg) 0 0;
            font-size: 0.92rem;
        }
        .footer .logo { color: #fff; margin-bottom: 12px; padding: 0; font-size: 1.2rem; }
        .footer .logo i { color: var(--clr-primary-light); }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.6fr 1fr 1fr 1fr;
            gap: var(--space-lg);
            padding-bottom: var(--space-lg);
            border-bottom: 1px solid rgba(255,255,255,0.08);
        }
        .footer-brand p {
            color: rgba(255,255,255,0.6);
            line-height: 1.8;
            font-size: 0.9rem;
        }
        .footer-col h4 {
            color: #fff;
            font-size: 1rem;
            font-weight: 600;
            margin-bottom: var(--space-sm);
        }
        .footer-col ul li { margin-bottom: 8px; }
        .footer-col ul li a {
            color: rgba(255,255,255,0.6);
            transition: var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 4px;
        }
        .footer-col ul li a:hover { color: #fff; padding-left: 4px; }
        .footer-bottom {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: var(--space-md) 0;
            font-size: 0.85rem;
            color: rgba(255,255,255,0.45);
            flex-wrap: wrap;
            gap: var(--space-sm);
        }
        .footer-bottom a { color: rgba(255,255,255,0.5); }
        .footer-bottom a:hover { color: #fff; }

        /* ========== Breadcrumb ========== */
        .breadcrumb {
            padding: var(--space-sm) 0;
            font-size: 0.88rem;
            color: var(--clr-text-muted);
            background: var(--clr-bg-alt);
            border-bottom: 1px solid var(--clr-border-light);
        }
        .breadcrumb .container { display: flex; align-items: center; gap: 6px; flex-wrap: wrap; }
        .breadcrumb a { color: var(--clr-text-light); font-weight: 500; }
        .breadcrumb a:hover { color: var(--clr-primary); }
        .breadcrumb span { color: var(--clr-text-muted); }
        .breadcrumb .current { color: var(--clr-primary); font-weight: 600; }

        /* ========== Responsive ========== */
        @media (max-width: 1024px) {
            .grid-4 { grid-template-columns: repeat(2, 1fr); }
            .stats-grid { grid-template-columns: repeat(2, 1fr); }
            .footer-grid { grid-template-columns: repeat(2, 1fr); gap: var(--space-md); }
            .hero-title { font-size: 2.6rem; }
        }

        @media (max-width: 768px) {
            :root {
                --space-xl: 56px;
                --space-lg: 36px;
                --space-md: 18px;
            }
            .nav-left, .nav-right {
                display: none;
                flex-direction: column;
                width: 100%;
                background: rgba(255,255,255,0.98);
                backdrop-filter: blur(18px);
                position: absolute;
                top: 70px;
                left: 0;
                padding: var(--space-sm) var(--space-md) var(--space-md);
                border-bottom: 1px solid var(--clr-border-light);
                box-shadow: var(--shadow-md);
                gap: 6px;
            }
            .nav-left.open, .nav-right.open { display: flex; }
            .nav-right { top: calc(70px + 180px); }
            .nav-left.open + .nav-right { top: calc(70px + 180px); }
            .nav-toggle { display: flex; }
            .nav-link { padding: 12px 18px; width: 100%; border-radius: 8px; }
            .nav-link.active::after { display: none; }
            .nav-cta { width: 100%; justify-content: center; padding: 12px 18px; }
            .header-inner { flex-wrap: wrap; height: auto; min-height: 70px; }
            .logo { font-size: 1.15rem; }

            .hero-title { font-size: 2rem; }
            .hero-desc { font-size: 1rem; }
            .section-title { font-size: 1.7rem; }

            .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }

            .news-item { flex-direction: column; }
            .news-thumb { width: 100%; height: 180px; }

            .stats-grid { grid-template-columns: repeat(2, 1fr); gap: var(--space-sm); }
            .stat-number { font-size: 2rem; }

            .footer-grid { grid-template-columns: 1fr; gap: var(--space-md); }
            .footer-bottom { flex-direction: column; text-align: center; }

            .cta-box { padding: var(--space-md); }
            .cta-title { font-size: 1.5rem; }

            .schedule-item { flex-wrap: wrap; gap: var(--space-xs); }
            .schedule-date { min-width: auto; }
        }

        @media (max-width: 520px) {
            :root {
                --space-xl: 40px;
                --space-lg: 28px;
                --space-md: 14px;
            }
            .hero-title { font-size: 1.6rem; }
            .hero { padding: var(--space-lg) 0; }
            .section-title { font-size: 1.4rem; }
            .grid-2, .grid-3, .grid-4 { gap: var(--space-sm); }
            .stats-grid { grid-template-columns: 1fr 1fr; gap: 10px; }
            .stat-number { font-size: 1.6rem; }
            .btn { padding: 12px 24px; font-size: 0.9rem; }
            .btn-lg { padding: 14px 30px; font-size: 1rem; }
            .news-thumb { height: 140px; }
            .league-grid { grid-template-columns: repeat(2, 1fr); }
        }

        /* ========== Animations ========== */
        .fade-up {
            opacity: 0;
            transform: translateY(24px);
            animation: fadeUp 0.6s ease forwards;
        }
        @keyframes fadeUp {
            to { opacity: 1; transform: translateY(0); }
        }
        .fade-up:nth-child(2) { animation-delay: 0.1s; }
        .fade-up:nth-child(3) { animation-delay: 0.2s; }
        .fade-up:nth-child(4) { animation-delay: 0.3s; }
        .fade-up:nth-child(5) { animation-delay: 0.4s; }
        .fade-up:nth-child(6) { animation-delay: 0.5s; }

        /* ========== Utility ========== */
        .text-center { text-align: center; }
        .mt-sm { margin-top: var(--space-sm); }
        .mt-md { margin-top: var(--space-md); }
        .mt-lg { margin-top: var(--space-lg); }
        .mb-sm { margin-bottom: var(--space-sm); }
        .mb-md { margin-bottom: var(--space-md); }
        .mb-lg { margin-bottom: var(--space-lg); }
        .gap-sm { gap: var(--space-sm); }
        .gap-md { gap: var(--space-md); }
        .flex-center { display: flex; align-items: center; justify-content: center; }
        .flex-wrap { flex-wrap: wrap; }

/* roulang page: category2 */
/* ===== Design Variables ===== */
        :root {
            --primary: #1e3a5f;
            --primary-light: #2a5298;
            --primary-dark: #0f2440;
            --secondary: #f0c040;
            --secondary-light: #f5d87a;
            --accent: #e85d3a;
            --bg-light: #f7f9fc;
            --bg-white: #ffffff;
            --bg-dark: #0f1a2b;
            --text: #1e2a3a;
            --text-light: #5a6a7a;
            --text-white: #f0f4f8;
            --border: #e2e8f0;
            --radius: 12px;
            --radius-sm: 8px;
            --radius-lg: 20px;
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.06);
            --shadow: 0 8px 30px rgba(0, 0, 0, 0.08);
            --shadow-lg: 0 20px 50px rgba(0, 0, 0, 0.12);
            --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --font-sans: 'Segoe UI', system-ui, -apple-system, sans-serif;
            --max-width: 1200px;
            --header-h: 72px;
        }

        /* ===== Reset & Base ===== */
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: var(--font-sans);
            font-size: 16px;
            line-height: 1.7;
            color: var(--text);
            background: var(--bg-light);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        a {
            color: var(--primary);
            text-decoration: none;
            transition: var(--transition);
        }
        a:hover {
            color: var(--primary-light);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: var(--radius-sm);
        }
        button,
        input,
        select,
        textarea {
            font-family: inherit;
            font-size: 1rem;
            border: none;
            outline: none;
        }
        ul,
        ol {
            list-style: none;
            padding: 0;
        }
        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            line-height: 1.25;
            color: var(--primary-dark);
            font-weight: 700;
        }
        h1 {
            font-size: 2.6rem;
        }
        h2 {
            font-size: 2rem;
        }
        h3 {
            font-size: 1.35rem;
        }
        h4 {
            font-size: 1.1rem;
        }
        p {
            margin-bottom: 0.75rem;
            color: var(--text-light);
        }

        /* ===== Container ===== */
        .container {
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 24px;
        }
        .container-narrow {
            max-width: 900px;
            margin: 0 auto;
            padding: 0 24px;
        }

        /* ===== Header / Nav ===== */
        .header {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: var(--header-h);
            background: rgba(255, 255, 255, 0.97);
            backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--border);
            z-index: 1000;
            transition: var(--transition);
        }
        .header-inner {
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 24px;
            height: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
        }
        .logo {
            font-size: 1.3rem;
            font-weight: 800;
            color: var(--primary-dark);
            letter-spacing: -0.3px;
            display: flex;
            align-items: center;
            gap: 8px;
            white-space: nowrap;
            flex-shrink: 0;
        }
        .logo i {
            color: var(--secondary);
            font-size: 1.4rem;
        }
        .logo:hover {
            color: var(--primary);
            opacity: 0.9;
        }

        .nav-left,
        .nav-right {
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .nav-link {
            padding: 6px 16px;
            border-radius: 30px;
            font-size: 0.92rem;
            font-weight: 500;
            color: var(--text-light);
            transition: var(--transition);
            white-space: nowrap;
        }
        .nav-link:hover {
            color: var(--primary);
            background: rgba(30, 58, 95, 0.06);
        }
        .nav-link.active {
            color: var(--primary);
            background: rgba(30, 58, 95, 0.1);
            font-weight: 600;
        }
        .nav-cta {
            padding: 6px 20px;
            border-radius: 30px;
            background: var(--secondary);
            color: var(--primary-dark);
            font-size: 0.92rem;
            font-weight: 600;
            display: flex;
            align-items: center;
            gap: 6px;
            transition: var(--transition);
            white-space: nowrap;
        }
        .nav-cta:hover {
            background: var(--secondary-light);
            color: var(--primary-dark);
            transform: translateY(-1px);
            box-shadow: 0 4px 14px rgba(240, 192, 64, 0.35);
        }
        .nav-cta i {
            font-size: 0.85rem;
        }

        .nav-toggle {
            display: none;
            flex-direction: column;
            gap: 5px;
            background: transparent;
            border: none;
            cursor: pointer;
            padding: 6px;
            border-radius: 6px;
            transition: var(--transition);
        }
        .nav-toggle span {
            display: block;
            width: 26px;
            height: 2.5px;
            background: var(--primary-dark);
            border-radius: 4px;
            transition: var(--transition);
        }
        .nav-toggle:hover span {
            background: var(--primary);
        }

        /* ===== Mobile Nav Drawer ===== */
        .mobile-drawer {
            display: none;
            position: fixed;
            top: var(--header-h);
            left: 0;
            width: 100%;
            background: rgba(255, 255, 255, 0.98);
            backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--border);
            padding: 16px 24px 24px;
            z-index: 999;
            box-shadow: var(--shadow);
            flex-direction: column;
            gap: 10px;
        }
        .mobile-drawer.open {
            display: flex;
        }
        .mobile-drawer .nav-link,
        .mobile-drawer .nav-cta {
            width: 100%;
            text-align: center;
            padding: 12px 16px;
            font-size: 1rem;
        }
        .mobile-drawer .nav-cta {
            margin-top: 6px;
            justify-content: center;
        }

        /* ===== Hero ===== */
        .hero-category {
            padding: 120px 0 60px;
            background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 50%, var(--primary-light) 100%);
            color: var(--text-white);
            text-align: center;
            position: relative;
            overflow: hidden;
        }
        .hero-category::after {
            content: '';
            position: absolute;
            bottom: -40px;
            right: -40px;
            width: 300px;
            height: 300px;
            background: rgba(240, 192, 64, 0.08);
            border-radius: 50%;
            pointer-events: none;
        }
        .hero-category::before {
            content: '';
            position: absolute;
            top: -60px;
            left: -60px;
            width: 250px;
            height: 250px;
            background: rgba(255, 255, 255, 0.03);
            border-radius: 50%;
            pointer-events: none;
        }
        .hero-category .container {
            position: relative;
            z-index: 1;
        }
        .hero-category h1 {
            font-size: 2.8rem;
            color: #fff;
            margin-bottom: 16px;
            letter-spacing: -0.5px;
        }
        .hero-category p {
            font-size: 1.1rem;
            color: rgba(255, 255, 255, 0.8);
            max-width: 720px;
            margin: 0 auto 24px;
        }
        .hero-badge {
            display: inline-block;
            background: rgba(240, 192, 64, 0.2);
            color: var(--secondary);
            padding: 4px 18px;
            border-radius: 30px;
            font-size: 0.85rem;
            font-weight: 500;
            margin-bottom: 18px;
            border: 1px solid rgba(240, 192, 64, 0.25);
        }
        .hero-stats {
            display: flex;
            justify-content: center;
            gap: 40px;
            margin-top: 32px;
            flex-wrap: wrap;
        }
        .hero-stat {
            text-align: center;
        }
        .hero-stat .num {
            font-size: 2rem;
            font-weight: 800;
            color: var(--secondary);
            display: block;
        }
        .hero-stat .label {
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.7);
        }

        /* ===== Section ===== */
        .section {
            padding: 70px 0;
        }
        .section-alt {
            background: var(--bg-white);
        }
        .section-title {
            text-align: center;
            margin-bottom: 48px;
        }
        .section-title h2 {
            margin-bottom: 10px;
        }
        .section-title p {
            max-width: 600px;
            margin: 0 auto;
            color: var(--text-light);
            font-size: 1.05rem;
        }
        .section-title .tag {
            display: inline-block;
            background: rgba(30, 58, 95, 0.08);
            color: var(--primary);
            padding: 2px 16px;
            border-radius: 30px;
            font-size: 0.8rem;
            font-weight: 600;
            letter-spacing: 0.5px;
            margin-bottom: 10px;
        }

        /* ===== Card Grid ===== */
        .card-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 28px;
        }
        .card {
            background: var(--bg-white);
            border-radius: var(--radius);
            box-shadow: var(--shadow-sm);
            overflow: hidden;
            transition: var(--transition);
            border: 1px solid var(--border);
            display: flex;
            flex-direction: column;
        }
        .card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow);
            border-color: transparent;
        }
        .card-img {
            height: 200px;
            background: var(--border);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 2.8rem;
            color: var(--primary-light);
            position: relative;
            overflow: hidden;
        }
        .card-img .overlay-tag {
            position: absolute;
            top: 12px;
            left: 12px;
            background: var(--secondary);
            color: var(--primary-dark);
            padding: 2px 12px;
            border-radius: 20px;
            font-size: 0.75rem;
            font-weight: 700;
        }
        .card-body {
            padding: 22px 24px 24px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .card-body h3 {
            font-size: 1.15rem;
            margin-bottom: 8px;
            color: var(--primary-dark);
        }
        .card-body p {
            font-size: 0.92rem;
            color: var(--text-light);
            flex: 1;
            margin-bottom: 16px;
        }
        .card-meta {
            display: flex;
            align-items: center;
            justify-content: space-between;
            font-size: 0.82rem;
            color: var(--text-light);
            border-top: 1px solid var(--border);
            padding-top: 14px;
            margin-top: auto;
        }
        .card-meta .badge {
            background: rgba(30, 58, 95, 0.08);
            padding: 2px 12px;
            border-radius: 20px;
            font-size: 0.75rem;
            font-weight: 600;
            color: var(--primary);
        }
        .card-meta i {
            margin-right: 4px;
            color: var(--secondary);
        }

        /* ===== Featured / Large Card ===== */
        .featured-card {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 32px;
            background: var(--bg-white);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow);
            overflow: hidden;
            border: 1px solid var(--border);
            margin-bottom: 40px;
        }
        .featured-card .fc-img {
            min-height: 300px;
            background: var(--border);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 4rem;
            color: var(--primary-light);
        }
        .featured-card .fc-body {
            padding: 36px 36px 36px 0;
            display: flex;
            flex-direction: column;
            justify-content: center;
        }
        .featured-card .fc-body .tag {
            display: inline-block;
            background: var(--secondary);
            color: var(--primary-dark);
            padding: 2px 14px;
            border-radius: 30px;
            font-size: 0.78rem;
            font-weight: 700;
            margin-bottom: 12px;
            width: fit-content;
        }
        .featured-card .fc-body h2 {
            font-size: 1.6rem;
            margin-bottom: 12px;
        }
        .featured-card .fc-body p {
            color: var(--text-light);
            margin-bottom: 20px;
        }
        .btn-group {
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
        }

        /* ===== Button ===== */
        .btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 10px 28px;
            border-radius: 30px;
            font-weight: 600;
            font-size: 0.92rem;
            transition: var(--transition);
            cursor: pointer;
            border: none;
            background: var(--primary);
            color: #fff;
            text-decoration: none;
        }
        .btn:hover {
            background: var(--primary-light);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(30, 58, 95, 0.25);
        }
        .btn-secondary {
            background: var(--secondary);
            color: var(--primary-dark);
        }
        .btn-secondary:hover {
            background: var(--secondary-light);
            color: var(--primary-dark);
            box-shadow: 0 8px 24px rgba(240, 192, 64, 0.35);
        }
        .btn-outline {
            background: transparent;
            color: var(--primary);
            border: 2px solid var(--primary);
        }
        .btn-outline:hover {
            background: var(--primary);
            color: #fff;
            border-color: var(--primary);
        }
        .btn-sm {
            padding: 6px 18px;
            font-size: 0.82rem;
        }

        /* ===== Badge / Tag ===== */
        .badge {
            display: inline-block;
            padding: 2px 14px;
            border-radius: 20px;
            font-size: 0.75rem;
            font-weight: 600;
            background: rgba(30, 58, 95, 0.08);
            color: var(--primary);
        }
        .badge-hot {
            background: rgba(232, 93, 58, 0.12);
            color: var(--accent);
        }
        .badge-new {
            background: rgba(240, 192, 64, 0.2);
            color: #b8860b;
        }

        /* ===== List / Item ===== */
        .list-simple {
            display: grid;
            gap: 14px;
        }
        .list-item {
            display: flex;
            align-items: flex-start;
            gap: 16px;
            padding: 16px 20px;
            background: var(--bg-white);
            border-radius: var(--radius-sm);
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border);
            transition: var(--transition);
        }
        .list-item:hover {
            box-shadow: var(--shadow);
            transform: translateX(4px);
        }
        .list-item .icon {
            width: 44px;
            height: 44px;
            border-radius: 12px;
            background: rgba(30, 58, 95, 0.08);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.2rem;
            color: var(--primary);
            flex-shrink: 0;
        }
        .list-item .content h4 {
            font-size: 1rem;
            margin-bottom: 2px;
        }
        .list-item .content p {
            font-size: 0.88rem;
            color: var(--text-light);
            margin: 0;
        }

        /* ===== FAQ ===== */
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
            display: grid;
            gap: 12px;
        }
        .faq-item {
            background: var(--bg-white);
            border-radius: var(--radius-sm);
            border: 1px solid var(--border);
            overflow: hidden;
            transition: var(--transition);
        }
        .faq-item:hover {
            border-color: var(--primary-light);
        }
        .faq-question {
            padding: 18px 24px;
            font-weight: 600;
            font-size: 1rem;
            color: var(--primary-dark);
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            background: transparent;
            width: 100%;
            text-align: left;
            transition: var(--transition);
        }
        .faq-question i {
            transition: var(--transition);
            color: var(--primary-light);
            font-size: 0.9rem;
        }
        .faq-question.open i {
            transform: rotate(180deg);
        }
        .faq-answer {
            padding: 0 24px 18px;
            font-size: 0.92rem;
            color: var(--text-light);
            line-height: 1.7;
            display: none;
        }
        .faq-answer.open {
            display: block;
        }

        /* ===== CTA ===== */
        .cta-section {
            background: linear-gradient(135deg, var(--primary-dark), var(--primary));
            color: #fff;
            text-align: center;
            padding: 70px 0;
        }
        .cta-section h2 {
            color: #fff;
            font-size: 2rem;
            margin-bottom: 12px;
        }
        .cta-section p {
            color: rgba(255, 255, 255, 0.8);
            max-width: 600px;
            margin: 0 auto 28px;
            font-size: 1.05rem;
        }
        .cta-section .btn {
            background: var(--secondary);
            color: var(--primary-dark);
        }
        .cta-section .btn:hover {
            background: var(--secondary-light);
            box-shadow: 0 8px 24px rgba(240, 192, 64, 0.35);
        }

        /* ===== Footer ===== */
        .footer {
            background: var(--bg-dark);
            color: rgba(255, 255, 255, 0.8);
            padding: 56px 0 30px;
        }
        .footer .logo {
            color: #fff;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.6fr 1fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 36px;
        }
        .footer-brand p {
            color: rgba(255, 255, 255, 0.6);
            font-size: 0.9rem;
            line-height: 1.6;
            max-width: 320px;
        }
        .footer-col h4 {
            color: #fff;
            font-size: 0.95rem;
            margin-bottom: 16px;
            font-weight: 600;
        }
        .footer-col ul li {
            margin-bottom: 8px;
        }
        .footer-col ul li a {
            color: rgba(255, 255, 255, 0.6);
            font-size: 0.88rem;
            transition: var(--transition);
        }
        .footer-col ul li a:hover {
            color: var(--secondary);
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding-top: 24px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 12px;
            font-size: 0.82rem;
            color: rgba(255, 255, 255, 0.5);
        }
        .footer-bottom a {
            color: rgba(255, 255, 255, 0.5);
        }
        .footer-bottom a:hover {
            color: var(--secondary);
        }

        /* ===== Responsive ===== */
        @media (max-width: 1024px) {
            .card-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
            .featured-card {
                grid-template-columns: 1fr;
            }
            .featured-card .fc-body {
                padding: 0 28px 28px;
            }
            .featured-card .fc-img {
                min-height: 220px;
            }
        }

        @media (max-width: 768px) {
            :root {
                --header-h: 64px;
            }
            h1 {
                font-size: 2rem;
            }
            h2 {
                font-size: 1.5rem;
            }
            .hero-category h1 {
                font-size: 2rem;
            }
            .hero-category {
                padding: 100px 0 50px;
            }
            .hero-stats {
                gap: 24px;
            }
            .hero-stat .num {
                font-size: 1.6rem;
            }
            .nav-left,
            .nav-right {
                display: none;
            }
            .nav-toggle {
                display: flex;
            }
            .section {
                padding: 50px 0;
            }
            .card-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
            .featured-card .fc-body {
                padding: 0 20px 24px;
            }
            .featured-card .fc-img {
                min-height: 180px;
            }
            .btn-group {
                flex-direction: column;
                align-items: stretch;
            }
            .btn-group .btn {
                justify-content: center;
            }
        }

        @media (max-width: 520px) {
            .container {
                padding: 0 16px;
            }
            .hero-category h1 {
                font-size: 1.6rem;
            }
            .hero-category p {
                font-size: 0.95rem;
            }
            .hero-stats {
                gap: 16px;
                flex-direction: column;
                align-items: center;
            }
            .section-title h2 {
                font-size: 1.3rem;
            }
            .card-body {
                padding: 18px 18px 20px;
            }
            .faq-question {
                padding: 14px 18px;
                font-size: 0.92rem;
            }
            .faq-answer {
                padding: 0 18px 14px;
            }
            .cta-section h2 {
                font-size: 1.4rem;
            }
            .list-item {
                padding: 12px 16px;
            }
        }

        /* ===== Utility ===== */
        .text-center {
            text-align: center;
        }
        .mt-16 {
            margin-top: 16px;
        }
        .mt-24 {
            margin-top: 24px;
        }
        .mt-32 {
            margin-top: 32px;
        }
        .gap-8 {
            gap: 8px;
        }
        .flex-center {
            display: flex;
            align-items: center;
            justify-content: center;
        }
        .d-none {
            display: none;
        }
        @media (max-width:768px) {
            .d-mobile-none {
                display: none !important;
            }
        }

        /* ===== Accessibility ===== */
        a:focus-visible,
        button:focus-visible,
        .nav-toggle:focus-visible {
            outline: 3px solid var(--secondary);
            outline-offset: 2px;
            border-radius: 4px;
        }

        /* ===== Smooth fade in ===== */
        .fade-in {
            opacity: 0;
            transform: translateY(20px);
            animation: fadeIn 0.6s ease forwards;
        }
        @keyframes fadeIn {
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }
        .fade-in-delay-1 {
            animation-delay: 0.1s;
        }
        .fade-in-delay-2 {
            animation-delay: 0.2s;
        }
        .fade-in-delay-3 {
            animation-delay: 0.3s;
        }

/* roulang page: category3 */
/* ===== Design Variables ===== */
        :root {
            --primary: #e63946;
            --primary-dark: #c1121f;
            --primary-light: #ff6b6b;
            --secondary: #1d3557;
            --secondary-light: #457b9d;
            --accent: #f4a261;
            --bg-light: #f8f9fa;
            --bg-white: #ffffff;
            --bg-dark: #1a1a2e;
            --text-primary: #1d3557;
            --text-body: #2b2d42;
            --text-muted: #6c757d;
            --text-light: #8d99ae;
            --border-color: #e9ecef;
            --radius-sm: 6px;
            --radius-md: 12px;
            --radius-lg: 20px;
            --radius-xl: 28px;
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.06);
            --shadow-md: 0 6px 24px rgba(0, 0, 0, 0.10);
            --shadow-lg: 0 16px 48px rgba(0, 0, 0, 0.14);
            --shadow-hover: 0 12px 36px rgba(230, 57, 70, 0.18);
            --transition: all 0.35s cubic-bezier(0.25, 0.46, 0.45, 0.94);
            --font-sans: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
            --max-width: 1200px;
            --header-height: 72px;
        }

        /* ===== Reset & Base ===== */
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
        }
        body {
            font-family: var(--font-sans);
            font-size: 16px;
            line-height: 1.7;
            color: var(--text-body);
            background: var(--bg-light);
            padding-top: var(--header-height);
        }
        a {
            color: var(--secondary);
            text-decoration: none;
            transition: var(--transition);
        }
        a:hover {
            color: var(--primary);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: var(--radius-md);
        }
        button,
        input,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
            border: none;
            outline: none;
            transition: var(--transition);
        }
        button {
            cursor: pointer;
            background: none;
        }
        ul,
        ol {
            list-style: none;
        }
        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            color: var(--text-primary);
            font-weight: 700;
            line-height: 1.3;
        }

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

        /* ===== Section Spacing ===== */
        .section {
            padding: 80px 0;
        }
        .section-title {
            font-size: 2rem;
            margin-bottom: 12px;
            letter-spacing: -0.02em;
            text-align: center;
        }
        .section-subtitle {
            font-size: 1.05rem;
            color: var(--text-muted);
            text-align: center;
            max-width: 680px;
            margin: 0 auto 48px;
            line-height: 1.7;
        }
        @media (max-width: 768px) {
            .section {
                padding: 56px 0;
            }
            .section-title {
                font-size: 1.6rem;
            }
            .section-subtitle {
                font-size: 0.95rem;
                margin-bottom: 32px;
            }
        }

        /* ===== Header & Navigation ===== */
        .header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            height: var(--header-height);
            background: rgba(255, 255, 255, 0.97);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--border-color);
            box-shadow: 0 2px 20px rgba(0, 0, 0, 0.04);
            transition: var(--transition);
        }
        .header-inner {
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 24px;
            height: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
        }
        .logo {
            font-size: 1.35rem;
            font-weight: 800;
            color: var(--primary);
            display: flex;
            align-items: center;
            gap: 8px;
            letter-spacing: -0.5px;
            flex-shrink: 0;
            transition: var(--transition);
        }
        .logo i {
            font-size: 1.4rem;
            color: var(--primary);
        }
        .logo:hover {
            color: var(--primary-dark);
            transform: scale(1.02);
        }
        .nav-left,
        .nav-right {
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .nav-link {
            padding: 8px 16px;
            font-size: 0.92rem;
            font-weight: 500;
            color: var(--text-body);
            border-radius: var(--radius-sm);
            transition: var(--transition);
            position: relative;
            white-space: nowrap;
        }
        .nav-link::after {
            content: '';
            position: absolute;
            bottom: 4px;
            left: 50%;
            transform: translateX(-50%) scaleX(0);
            width: 60%;
            height: 3px;
            background: var(--primary);
            border-radius: 4px;
            transition: var(--transition);
        }
        .nav-link:hover {
            color: var(--primary);
            background: rgba(230, 57, 70, 0.06);
        }
        .nav-link:hover::after {
            transform: translateX(-50%) scaleX(1);
        }
        .nav-link.active {
            color: var(--primary);
            font-weight: 600;
        }
        .nav-link.active::after {
            transform: translateX(-50%) scaleX(1);
        }
        .nav-cta {
            padding: 8px 20px;
            font-size: 0.9rem;
            font-weight: 600;
            color: #fff;
            background: var(--primary);
            border-radius: 50px;
            display: flex;
            align-items: center;
            gap: 6px;
            transition: var(--transition);
            box-shadow: 0 4px 14px rgba(230, 57, 70, 0.3);
            white-space: nowrap;
        }
        .nav-cta i {
            font-size: 0.85rem;
        }
        .nav-cta:hover {
            background: var(--primary-dark);
            box-shadow: 0 6px 24px rgba(230, 57, 70, 0.4);
            transform: translateY(-2px);
            color: #fff;
        }
        .nav-toggle {
            display: none;
            flex-direction: column;
            gap: 5px;
            padding: 8px;
            border-radius: var(--radius-sm);
            background: transparent;
            cursor: pointer;
        }
        .nav-toggle span {
            display: block;
            width: 26px;
            height: 2.5px;
            background: var(--text-primary);
            border-radius: 4px;
            transition: var(--transition);
        }
        .nav-toggle:hover span {
            background: var(--primary);
        }

        /* Mobile Nav */
        @media (max-width: 900px) {
            .nav-left,
            .nav-right {
                display: none;
                position: absolute;
                top: var(--header-height);
                left: 0;
                right: 0;
                background: rgba(255, 255, 255, 0.99);
                backdrop-filter: blur(16px);
                flex-direction: column;
                padding: 16px 24px 24px;
                gap: 6px;
                border-bottom: 1px solid var(--border-color);
                box-shadow: var(--shadow-md);
            }
            .nav-left.open,
            .nav-right.open {
                display: flex;
            }
            .nav-left {
                top: var(--header-height);
            }
            .nav-right {
                top: calc(var(--header-height) + 220px);
            }
            .nav-left.open+.nav-right {
                top: calc(var(--header-height) + 220px);
            }
            .nav-link {
                padding: 12px 16px;
                font-size: 1rem;
                width: 100%;
                text-align: center;
            }
            .nav-link::after {
                display: none;
            }
            .nav-cta {
                width: 100%;
                justify-content: center;
                padding: 12px 20px;
            }
            .nav-toggle {
                display: flex;
            }
            .header-inner {
                padding: 0 16px;
            }
            .logo {
                font-size: 1.15rem;
            }
        }
        @media (max-width: 480px) {
            .nav-left,
            .nav-right {
                padding: 12px 16px 20px;
            }
            .nav-right {
                top: calc(var(--header-height) + 200px);
            }
        }

        /* ===== Hero ===== */
        .hero-category {
            background: linear-gradient(135deg, #1a1a2e 0%, #16213e 50%, #0f3460 100%);
            padding: 80px 0 72px;
            position: relative;
            overflow: hidden;
        }
        .hero-category::before {
            content: '';
            position: absolute;
            top: -40%;
            right: -20%;
            width: 600px;
            height: 600px;
            background: radial-gradient(circle, rgba(230, 57, 70, 0.15), transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }
        .hero-category::after {
            content: '';
            position: absolute;
            bottom: -30%;
            left: -10%;
            width: 400px;
            height: 400px;
            background: radial-gradient(circle, rgba(69, 123, 157, 0.12), transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }
        .hero-category .container {
            position: relative;
            z-index: 2;
            text-align: center;
        }
        .hero-category .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(230, 57, 70, 0.18);
            color: #ff8a8a;
            padding: 6px 18px;
            border-radius: 50px;
            font-size: 0.85rem;
            font-weight: 500;
            margin-bottom: 20px;
            border: 1px solid rgba(230, 57, 70, 0.25);
            backdrop-filter: blur(4px);
        }
        .hero-category .hero-badge i {
            font-size: 0.8rem;
        }
        .hero-category h1 {
            font-size: 3rem;
            font-weight: 800;
            color: #fff;
            margin-bottom: 16px;
            letter-spacing: -0.03em;
            line-height: 1.2;
        }
        .hero-category h1 span {
            background: linear-gradient(135deg, #f4a261, #e63946);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .hero-category p {
            font-size: 1.1rem;
            color: rgba(255, 255, 255, 0.75);
            max-width: 640px;
            margin: 0 auto 32px;
            line-height: 1.7;
        }
        .hero-category .hero-stats {
            display: flex;
            justify-content: center;
            gap: 40px;
            flex-wrap: wrap;
            margin-top: 8px;
        }
        .hero-category .hero-stats .stat {
            text-align: center;
        }
        .hero-category .hero-stats .stat-num {
            font-size: 1.8rem;
            font-weight: 800;
            color: #fff;
            display: block;
            line-height: 1.2;
        }
        .hero-category .hero-stats .stat-label {
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.6);
            font-weight: 400;
        }
        @media (max-width: 768px) {
            .hero-category {
                padding: 56px 0 48px;
            }
            .hero-category h1 {
                font-size: 2rem;
            }
            .hero-category p {
                font-size: 0.95rem;
            }
            .hero-category .hero-stats {
                gap: 24px;
            }
            .hero-category .hero-stats .stat-num {
                font-size: 1.4rem;
            }
        }

        /* ===== Breadcrumb ===== */
        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 0.85rem;
            color: var(--text-light);
            padding: 16px 0 0;
            flex-wrap: wrap;
        }
        .breadcrumb a {
            color: var(--text-light);
            transition: var(--transition);
        }
        .breadcrumb a:hover {
            color: var(--primary);
        }
        .breadcrumb .sep {
            color: var(--text-light);
            font-size: 0.75rem;
        }
        .breadcrumb .current {
            color: var(--primary);
            font-weight: 500;
        }

        /* ===== Cards ===== */
        .card {
            background: var(--bg-white);
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-sm);
            overflow: hidden;
            transition: var(--transition);
            border: 1px solid var(--border-color);
            height: 100%;
            display: flex;
            flex-direction: column;
        }
        .card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-6px);
            border-color: rgba(230, 57, 70, 0.15);
        }
        .card-image {
            position: relative;
            overflow: hidden;
            aspect-ratio: 16/10;
            background: #f0f2f5;
        }
        .card-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: var(--transition);
        }
        .card:hover .card-image img {
            transform: scale(1.06);
        }
        .card-image .badge {
            position: absolute;
            top: 12px;
            left: 12px;
            background: var(--primary);
            color: #fff;
            font-size: 0.75rem;
            font-weight: 600;
            padding: 4px 12px;
            border-radius: 50px;
            box-shadow: 0 2px 12px rgba(230, 57, 70, 0.3);
        }
        .card-image .badge.hot {
            background: #f4a261;
        }
        .card-image .badge.new {
            background: #2a9d8f;
        }
        .card-body {
            padding: 20px 22px 24px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .card-body .card-tags {
            display: flex;
            gap: 8px;
            flex-wrap: wrap;
            margin-bottom: 10px;
        }
        .card-body .card-tags span {
            font-size: 0.75rem;
            color: var(--secondary-light);
            background: rgba(69, 123, 157, 0.08);
            padding: 2px 10px;
            border-radius: 50px;
            font-weight: 500;
        }
        .card-body h3 {
            font-size: 1.15rem;
            font-weight: 700;
            margin-bottom: 10px;
            line-height: 1.4;
            color: var(--text-primary);
        }
        .card-body h3 a {
            color: inherit;
        }
        .card-body h3 a:hover {
            color: var(--primary);
        }
        .card-body p {
            font-size: 0.92rem;
            color: var(--text-muted);
            line-height: 1.6;
            flex: 1;
            margin-bottom: 16px;
        }
        .card-body .card-meta {
            display: flex;
            align-items: center;
            justify-content: space-between;
            font-size: 0.82rem;
            color: var(--text-light);
            border-top: 1px solid var(--border-color);
            padding-top: 14px;
            margin-top: auto;
        }
        .card-body .card-meta .author {
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .card-body .card-meta .author i {
            font-size: 0.75rem;
            color: var(--primary);
        }
        .card-body .card-meta .date i {
            margin-right: 4px;
        }
        @media (max-width: 768px) {
            .card-body {
                padding: 16px 18px 20px;
            }
            .card-body h3 {
                font-size: 1.05rem;
            }
        }

        /* ===== Grid ===== */
        .grid-3 {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 28px;
        }
        .grid-2 {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 28px;
        }
        .grid-4 {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }
        @media (max-width: 1024px) {
            .grid-4 {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 768px) {
            .grid-3,
            .grid-2,
            .grid-4 {
                grid-template-columns: 1fr;
                gap: 20px;
            }
        }
        @media (min-width: 769px) and (max-width: 1024px) {
            .grid-3 {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        /* ===== Buttons ===== */
        .btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 12px 28px;
            font-size: 0.95rem;
            font-weight: 600;
            border-radius: 50px;
            transition: var(--transition);
            border: 2px solid transparent;
            justify-content: center;
        }
        .btn-primary {
            background: var(--primary);
            color: #fff;
            border-color: var(--primary);
            box-shadow: 0 4px 16px rgba(230, 57, 70, 0.25);
        }
        .btn-primary:hover {
            background: var(--primary-dark);
            border-color: var(--primary-dark);
            box-shadow: 0 8px 28px rgba(230, 57, 70, 0.35);
            transform: translateY(-3px);
            color: #fff;
        }
        .btn-outline {
            background: transparent;
            color: var(--primary);
            border-color: var(--primary);
        }
        .btn-outline:hover {
            background: var(--primary);
            color: #fff;
            transform: translateY(-3px);
            box-shadow: 0 8px 28px rgba(230, 57, 70, 0.2);
        }
        .btn-white {
            background: #fff;
            color: var(--primary);
            border-color: #fff;
            box-shadow: 0 4px 16px rgba(0, 0, 0, 0.08);
        }
        .btn-white:hover {
            background: var(--bg-light);
            transform: translateY(-3px);
            box-shadow: 0 8px 28px rgba(0, 0, 0, 0.12);
            color: var(--primary-dark);
        }
        .btn-sm {
            padding: 8px 18px;
            font-size: 0.82rem;
        }
        .btn-lg {
            padding: 16px 36px;
            font-size: 1.05rem;
        }

        /* ===== Tags & Badges ===== */
        .tag {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            padding: 4px 14px;
            font-size: 0.82rem;
            font-weight: 500;
            border-radius: 50px;
            background: var(--bg-light);
            color: var(--text-muted);
            border: 1px solid var(--border-color);
            transition: var(--transition);
        }
        .tag:hover {
            background: var(--primary);
            color: #fff;
            border-color: var(--primary);
        }
        .tag-primary {
            background: rgba(230, 57, 70, 0.08);
            color: var(--primary);
            border-color: rgba(230, 57, 70, 0.15);
        }
        .tag-primary:hover {
            background: var(--primary);
            color: #fff;
        }

        /* ===== Featured Section (图文) ===== */
        .featured-block {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: center;
            background: var(--bg-white);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-color);
            overflow: hidden;
        }
        .featured-block .featured-image {
            aspect-ratio: 4/3;
            background: #e9ecef;
            overflow: hidden;
        }
        .featured-block .featured-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: var(--transition);
        }
        .featured-block:hover .featured-image img {
            transform: scale(1.04);
        }
        .featured-block .featured-content {
            padding: 40px 48px 40px 0;
        }
        .featured-block .featured-content .label {
            font-size: 0.8rem;
            font-weight: 600;
            color: var(--primary);
            text-transform: uppercase;
            letter-spacing: 1px;
            margin-bottom: 8px;
            display: block;
        }
        .featured-block .featured-content h2 {
            font-size: 1.7rem;
            margin-bottom: 16px;
            line-height: 1.3;
        }
        .featured-block .featured-content p {
            color: var(--text-muted);
            line-height: 1.7;
            margin-bottom: 24px;
        }
        @media (max-width: 900px) {
            .featured-block {
                grid-template-columns: 1fr;
                gap: 0;
            }
            .featured-block .featured-content {
                padding: 28px 24px 32px;
            }
            .featured-block .featured-content h2 {
                font-size: 1.35rem;
            }
            .featured-block .featured-image {
                aspect-ratio: 16/9;
            }
        }

        /* ===== Comparison Table ===== */
        .compare-table {
            width: 100%;
            border-collapse: separate;
            border-spacing: 0;
            background: var(--bg-white);
            border-radius: var(--radius-md);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-color);
        }
        .compare-table thead {
            background: var(--secondary);
            color: #fff;
        }
        .compare-table th {
            padding: 16px 20px;
            font-size: 0.92rem;
            font-weight: 600;
            text-align: left;
            letter-spacing: 0.3px;
        }
        .compare-table td {
            padding: 14px 20px;
            font-size: 0.88rem;
            border-bottom: 1px solid var(--border-color);
            color: var(--text-body);
        }
        .compare-table tbody tr:hover {
            background: rgba(230, 57, 70, 0.03);
        }
        .compare-table tbody tr:last-child td {
            border-bottom: none;
        }
        .compare-table .rating {
            color: #f4a261;
            letter-spacing: 2px;
        }
        @media (max-width: 768px) {
            .compare-table {
                font-size: 0.8rem;
            }
            .compare-table th,
            .compare-table td {
                padding: 10px 12px;
            }
        }

        /* ===== FAQ ===== */
        .faq-item {
            background: var(--bg-white);
            border-radius: var(--radius-md);
            border: 1px solid var(--border-color);
            padding: 0;
            margin-bottom: 12px;
            overflow: hidden;
            transition: var(--transition);
        }
        .faq-item:hover {
            border-color: rgba(230, 57, 70, 0.15);
            box-shadow: var(--shadow-sm);
        }
        .faq-question {
            width: 100%;
            padding: 18px 24px;
            font-size: 1rem;
            font-weight: 600;
            color: var(--text-primary);
            background: transparent;
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 16px;
            cursor: pointer;
            text-align: left;
            border: none;
            transition: var(--transition);
        }
        .faq-question:hover {
            color: var(--primary);
        }
        .faq-question .icon {
            font-size: 1.1rem;
            color: var(--primary);
            transition: var(--transition);
            flex-shrink: 0;
        }
        .faq-item.active .faq-question .icon {
            transform: rotate(180deg);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease, padding 0.4s ease;
            padding: 0 24px;
        }
        .faq-item.active .faq-answer {
            max-height: 400px;
            padding: 0 24px 20px;
        }
        .faq-answer p {
            color: var(--text-muted);
            font-size: 0.92rem;
            line-height: 1.7;
        }
        @media (max-width: 768px) {
            .faq-question {
                padding: 14px 16px;
                font-size: 0.92rem;
            }
            .faq-answer {
                padding: 0 16px;
            }
            .faq-item.active .faq-answer {
                padding: 0 16px 16px;
            }
        }

        /* ===== CTA ===== */
        .cta-section {
            background: linear-gradient(135deg, #1a1a2e 0%, #16213e 60%, #0f3460 100%);
            padding: 72px 0;
            text-align: center;
            position: relative;
            overflow: hidden;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            top: -50%;
            left: -20%;
            width: 500px;
            height: 500px;
            background: radial-gradient(circle, rgba(230, 57, 70, 0.12), transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }
        .cta-section .container {
            position: relative;
            z-index: 2;
        }
        .cta-section h2 {
            font-size: 2rem;
            color: #fff;
            margin-bottom: 14px;
        }
        .cta-section p {
            font-size: 1.05rem;
            color: rgba(255, 255, 255, 0.7);
            max-width: 560px;
            margin: 0 auto 32px;
            line-height: 1.7;
        }
        .cta-section .btn-group {
            display: flex;
            justify-content: center;
            gap: 16px;
            flex-wrap: wrap;
        }
        @media (max-width: 768px) {
            .cta-section {
                padding: 48px 0;
            }
            .cta-section h2 {
                font-size: 1.5rem;
            }
            .cta-section p {
                font-size: 0.95rem;
            }
        }

        /* ===== Footer ===== */
        .footer {
            background: #1a1a2e;
            color: rgba(255, 255, 255, 0.7);
            padding: 60px 0 0;
            font-size: 0.9rem;
        }
        .footer .footer-grid {
            display: grid;
            grid-template-columns: 1.8fr 1fr 1fr 1fr;
            gap: 40px;
            padding-bottom: 40px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
        }
        .footer .footer-brand p {
            color: rgba(255, 255, 255, 0.55);
            line-height: 1.7;
            font-size: 0.88rem;
            max-width: 320px;
        }
        .footer .footer-col h4 {
            color: #fff;
            font-size: 0.95rem;
            font-weight: 600;
            margin-bottom: 16px;
        }
        .footer .footer-col ul li {
            margin-bottom: 10px;
        }
        .footer .footer-col ul li a {
            color: rgba(255, 255, 255, 0.6);
            transition: var(--transition);
            font-size: 0.88rem;
        }
        .footer .footer-col ul li a:hover {
            color: var(--primary-light);
            padding-left: 4px;
        }
        .footer .footer-bottom {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 24px 0;
            font-size: 0.82rem;
            color: rgba(255, 255, 255, 0.4);
            flex-wrap: wrap;
            gap: 12px;
        }
        .footer .footer-bottom a {
            color: rgba(255, 255, 255, 0.5);
        }
        .footer .footer-bottom a:hover {
            color: var(--primary-light);
        }
        @media (max-width: 900px) {
            .footer .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 32px;
            }
        }
        @media (max-width: 600px) {
            .footer .footer-grid {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            .footer .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
        }

        /* ===== Utility ===== */
        .text-center {
            text-align: center;
        }
        .mt-8 {
            margin-top: 32px;
        }
        .mt-12 {
            margin-top: 48px;
        }
        .mb-8 {
            margin-bottom: 32px;
        }
        .gap-4 {
            gap: 16px;
        }
        .flex-center {
            display: flex;
            align-items: center;
            justify-content: center;
        }
        .flex-wrap {
            flex-wrap: wrap;
        }

        /* ===== Scrollbar ===== */
        ::-webkit-scrollbar {
            width: 8px;
        }
        ::-webkit-scrollbar-track {
            background: var(--bg-light);
        }
        ::-webkit-scrollbar-thumb {
            background: var(--text-light);
            border-radius: 8px;
        }
        ::-webkit-scrollbar-thumb:hover {
            background: var(--text-muted);
        }

        /* ===== Focus ===== */
        a:focus-visible,
        button:focus-visible,
        input:focus-visible {
            outline: 3px solid var(--primary-light);
            outline-offset: 2px;
            border-radius: 4px;
        }

/* roulang page: category3 */
/* ===== 设计变量 ===== */
        :root {
            --primary: #e63946;
            --primary-dark: #c1121f;
            --primary-light: #ff6b6b;
            --secondary: #1d3557;
            --secondary-light: #457b9d;
            --accent: #f4a261;
            --bg: #f8f9fa;
            --bg-card: #ffffff;
            --bg-dark: #1a1a2e;
            --text: #2b2d42;
            --text-light: #6c757d;
            --text-white: #f8f9fa;
            --border: #dee2e6;
            --border-light: #f0f0f0;
            --radius: 12px;
            --radius-sm: 8px;
            --radius-lg: 20px;
            --shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
            --shadow-hover: 0 12px 40px rgba(0, 0, 0, 0.15);
            --shadow-nav: 0 2px 20px rgba(0, 0, 0, 0.06);
            --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --font: 'Segoe UI', system-ui, -apple-system, BlinkMacSystemFont, 'Helvetica Neue', Arial, sans-serif;
            --max-width: 1200px;
            --header-height: 72px;
        }

        /* ===== Reset & Base ===== */
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }
        body {
            font-family: var(--font);
            font-size: 16px;
            line-height: 1.7;
            color: var(--text);
            background: var(--bg);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            padding-top: var(--header-height);
        }
        a {
            color: var(--primary);
            text-decoration: none;
            transition: var(--transition);
        }
        a:hover {
            color: var(--primary-dark);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: var(--radius-sm);
        }
        button,
        input,
        textarea {
            font-family: inherit;
            font-size: inherit;
            border: none;
            outline: none;
        }
        ul {
            list-style: none;
        }

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

        /* ===== Header / 导航 ===== */
        .header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            height: var(--header-height);
            background: rgba(255, 255, 255, 0.97);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid rgba(0, 0, 0, 0.05);
            box-shadow: var(--shadow-nav);
        }
        .header-inner {
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 24px;
            height: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 20px;
        }
        .logo {
            font-size: 1.35rem;
            font-weight: 800;
            color: var(--secondary);
            letter-spacing: -0.5px;
            display: flex;
            align-items: center;
            gap: 8px;
            flex-shrink: 0;
            transition: var(--transition);
        }
        .logo i {
            color: var(--primary);
            font-size: 1.2em;
        }
        .logo:hover {
            color: var(--primary);
        }
        .nav-left,
        .nav-right {
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .nav-link {
            padding: 6px 16px;
            border-radius: var(--radius-sm);
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--text);
            transition: var(--transition);
            position: relative;
        }
        .nav-link:hover {
            color: var(--primary);
            background: rgba(230, 57, 70, 0.06);
        }
        .nav-link.active {
            color: var(--primary);
            font-weight: 600;
        }
        .nav-link.active::after {
            content: '';
            position: absolute;
            bottom: -2px;
            left: 50%;
            transform: translateX(-50%);
            width: 20px;
            height: 3px;
            background: var(--primary);
            border-radius: 4px;
        }
        .nav-cta {
            padding: 8px 20px;
            border-radius: var(--radius-sm);
            font-size: 0.85rem;
            font-weight: 600;
            color: #fff;
            background: var(--primary);
            transition: var(--transition);
            display: flex;
            align-items: center;
            gap: 6px;
            white-space: nowrap;
        }
        .nav-cta:hover {
            background: var(--primary-dark);
            color: #fff;
            transform: translateY(-1px);
            box-shadow: 0 4px 14px rgba(230, 57, 70, 0.35);
        }
        .nav-toggle {
            display: none;
            flex-direction: column;
            gap: 5px;
            background: none;
            border: none;
            cursor: pointer;
            padding: 8px;
            border-radius: var(--radius-sm);
            transition: var(--transition);
        }
        .nav-toggle span {
            display: block;
            width: 26px;
            height: 2.5px;
            background: var(--secondary);
            border-radius: 4px;
            transition: var(--transition);
        }
        .nav-toggle:hover span {
            background: var(--primary);
        }

        /* 移动端导航 */
        @media (max-width: 900px) {
            .nav-left,
            .nav-right {
                display: none;
                position: absolute;
                top: var(--header-height);
                left: 0;
                right: 0;
                background: rgba(255, 255, 255, 0.98);
                backdrop-filter: blur(12px);
                flex-direction: column;
                padding: 16px 24px 24px;
                gap: 4px;
                border-bottom: 1px solid var(--border);
                box-shadow: var(--shadow);
            }
            .nav-left.open,
            .nav-right.open {
                display: flex;
            }
            .nav-left {
                top: var(--header-height);
            }
            .nav-right {
                top: calc(var(--header-height) + 180px);
            }
            .nav-left.open+.nav-right {
                top: calc(var(--header-height) + 180px);
            }
            .nav-link {
                padding: 12px 16px;
                width: 100%;
                font-size: 1rem;
            }
            .nav-link.active::after {
                display: none;
            }
            .nav-link.active {
                background: rgba(230, 57, 70, 0.08);
                border-radius: var(--radius-sm);
            }
            .nav-cta {
                width: 100%;
                justify-content: center;
                padding: 12px 16px;
                margin-top: 4px;
            }
            .nav-toggle {
                display: flex;
            }
            .header-inner {
                padding: 0 16px;
            }
        }
        @media (max-width: 520px) {
            .logo {
                font-size: 1.1rem;
            }
            .logo i {
                font-size: 1em;
            }
            .nav-link,
            .nav-cta {
                font-size: 0.9rem;
            }
        }

        /* ===== Hero ===== */
        .page-hero {
            background: linear-gradient(135deg, var(--secondary) 0%, #16213e 100%);
            padding: 64px 0 56px;
            color: var(--text-white);
            text-align: center;
            position: relative;
            overflow: hidden;
        }
        .page-hero::before {
            content: '';
            position: absolute;
            top: -40%;
            right: -20%;
            width: 500px;
            height: 500px;
            background: radial-gradient(circle, rgba(230, 57, 70, 0.15) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }
        .page-hero::after {
            content: '';
            position: absolute;
            bottom: -30%;
            left: -10%;
            width: 400px;
            height: 400px;
            background: radial-gradient(circle, rgba(69, 123, 157, 0.2) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }
        .page-hero .container {
            position: relative;
            z-index: 1;
        }
        .page-hero h1 {
            font-size: 2.8rem;
            font-weight: 800;
            margin-bottom: 16px;
            letter-spacing: -0.5px;
            line-height: 1.2;
        }
        .page-hero h1 i {
            color: var(--primary-light);
            margin-right: 10px;
        }
        .page-hero p {
            font-size: 1.15rem;
            max-width: 700px;
            margin: 0 auto 24px;
            opacity: 0.9;
            line-height: 1.7;
        }
        .hero-tags {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 10px;
        }
        .hero-tags span {
            padding: 6px 18px;
            border-radius: 30px;
            font-size: 0.85rem;
            font-weight: 500;
            background: rgba(255, 255, 255, 0.12);
            border: 1px solid rgba(255, 255, 255, 0.15);
            color: rgba(255, 255, 255, 0.9);
            backdrop-filter: blur(4px);
        }
        @media (max-width: 768px) {
            .page-hero {
                padding: 48px 0 40px;
            }
            .page-hero h1 {
                font-size: 1.9rem;
            }
            .page-hero p {
                font-size: 1rem;
            }
            .hero-tags span {
                font-size: 0.8rem;
                padding: 5px 14px;
            }
        }
        @media (max-width: 520px) {
            .page-hero h1 {
                font-size: 1.5rem;
            }
            .page-hero p {
                font-size: 0.9rem;
            }
        }

        /* ===== 分类导航 Tabs ===== */
        .category-tabs {
            background: var(--bg-card);
            border-bottom: 1px solid var(--border);
            padding: 0;
            position: sticky;
            top: var(--header-height);
            z-index: 100;
            box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
        }
        .category-tabs .container {
            display: flex;
            align-items: center;
            gap: 4px;
            overflow-x: auto;
            padding-top: 4px;
            padding-bottom: 4px;
            scrollbar-width: none;
            -ms-overflow-style: none;
        }
        .category-tabs .container::-webkit-scrollbar {
            display: none;
        }
        .category-tab {
            padding: 10px 22px;
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--text-light);
            border-radius: var(--radius-sm);
            white-space: nowrap;
            transition: var(--transition);
            border-bottom: 3px solid transparent;
            cursor: pointer;
            background: none;
        }
        .category-tab:hover {
            color: var(--text);
            background: rgba(0, 0, 0, 0.03);
        }
        .category-tab.active {
            color: var(--primary);
            font-weight: 600;
            border-bottom-color: var(--primary);
            background: rgba(230, 57, 70, 0.05);
        }
        @media (max-width: 768px) {
            .category-tab {
                padding: 8px 16px;
                font-size: 0.8rem;
            }
        }

        /* ===== 板块通用 ===== */
        .section {
            padding: 60px 0;
        }
        .section-alt {
            background: var(--bg-card);
        }
        .section-dark {
            background: var(--bg-dark);
            color: var(--text-white);
        }
        .section-header {
            text-align: center;
            margin-bottom: 44px;
        }
        .section-header h2 {
            font-size: 2rem;
            font-weight: 700;
            color: var(--secondary);
            margin-bottom: 10px;
            letter-spacing: -0.3px;
        }
        .section-header p {
            font-size: 1.05rem;
            color: var(--text-light);
            max-width: 600px;
            margin: 0 auto;
        }
        .section-dark .section-header h2 {
            color: var(--text-white);
        }
        .section-dark .section-header p {
            color: rgba(255, 255, 255, 0.7);
        }
        @media (max-width: 768px) {
            .section {
                padding: 40px 0;
            }
            .section-header {
                margin-bottom: 32px;
            }
            .section-header h2 {
                font-size: 1.5rem;
            }
            .section-header p {
                font-size: 0.95rem;
            }
        }

        /* ===== 卡片网格 ===== */
        .grid-3 {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 28px;
        }
        .grid-2 {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 28px;
        }
        @media (max-width: 992px) {
            .grid-3 {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 640px) {
            .grid-3,
            .grid-2 {
                grid-template-columns: 1fr;
                gap: 20px;
            }
        }

        /* ===== 装备卡片 ===== */
        .gear-card {
            background: var(--bg-card);
            border-radius: var(--radius);
            box-shadow: var(--shadow);
            overflow: hidden;
            transition: var(--transition);
            border: 1px solid var(--border-light);
            display: flex;
            flex-direction: column;
        }
        .gear-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
        }
        .gear-card-img {
            height: 200px;
            background: linear-gradient(135deg, #e0e7ef, #f0f4f8);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 3rem;
            color: var(--secondary-light);
            position: relative;
            overflow: hidden;
        }
        .gear-card-img .badge {
            position: absolute;
            top: 12px;
            left: 12px;
            padding: 4px 14px;
            border-radius: 20px;
            font-size: 0.75rem;
            font-weight: 600;
            background: var(--primary);
            color: #fff;
        }
        .gear-card-img .badge.hot {
            background: #f97316;
        }
        .gear-card-img .badge.new {
            background: #10b981;
        }
        .gear-card-body {
            padding: 22px 20px 24px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .gear-card-body h3 {
            font-size: 1.15rem;
            font-weight: 700;
            color: var(--secondary);
            margin-bottom: 8px;
        }
        .gear-card-body .meta {
            display: flex;
            align-items: center;
            gap: 12px;
            font-size: 0.85rem;
            color: var(--text-light);
            margin-bottom: 10px;
        }
        .gear-card-body .meta i {
            width: 16px;
            color: var(--primary-light);
        }
        .gear-card-body p {
            font-size: 0.95rem;
            color: var(--text-light);
            line-height: 1.6;
            flex: 1;
            margin-bottom: 16px;
        }
        .gear-card-body .rating {
            display: flex;
            align-items: center;
            gap: 6px;
            font-size: 0.9rem;
            color: #f59e0b;
            margin-bottom: 14px;
        }
        .gear-card-body .rating span {
            color: var(--text-light);
            font-size: 0.85rem;
            margin-left: 4px;
        }
        .gear-card-body .btn-outline {
            align-self: flex-start;
            padding: 8px 22px;
            border-radius: var(--radius-sm);
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--primary);
            border: 2px solid var(--primary);
            background: transparent;
            transition: var(--transition);
            cursor: pointer;
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }
        .gear-card-body .btn-outline:hover {
            background: var(--primary);
            color: #fff;
            transform: translateY(-1px);
        }

        /* ===== 特色板块 ===== */
        .features-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }
        .feature-item {
            text-align: center;
            padding: 32px 16px;
            border-radius: var(--radius);
            background: var(--bg-card);
            border: 1px solid var(--border-light);
            transition: var(--transition);
        }
        .feature-item:hover {
            transform: translateY(-3px);
            box-shadow: var(--shadow);
        }
        .feature-item .icon {
            font-size: 2.2rem;
            color: var(--primary);
            margin-bottom: 14px;
        }
        .feature-item h4 {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--secondary);
            margin-bottom: 6px;
        }
        .feature-item p {
            font-size: 0.9rem;
            color: var(--text-light);
        }
        @media (max-width: 992px) {
            .features-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 520px) {
            .features-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .feature-item {
                padding: 24px 12px;
            }
        }

        /* ===== 选购指南 ===== */
        .guide-steps {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 28px;
            counter-reset: step;
        }
        .guide-step {
            background: var(--bg-card);
            border-radius: var(--radius);
            padding: 32px 24px;
            border: 1px solid var(--border-light);
            box-shadow: var(--shadow);
            transition: var(--transition);
            position: relative;
        }
        .guide-step:hover {
            transform: translateY(-3px);
            box-shadow: var(--shadow-hover);
        }
        .guide-step .step-num {
            font-size: 2.8rem;
            font-weight: 800;
            color: rgba(230, 57, 70, 0.12);
            line-height: 1;
            margin-bottom: 8px;
        }
        .guide-step h4 {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--secondary);
            margin-bottom: 8px;
        }
        .guide-step p {
            font-size: 0.92rem;
            color: var(--text-light);
            line-height: 1.6;
        }
        @media (max-width: 768px) {
            .guide-steps {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .guide-step {
                padding: 24px 18px;
            }
        }

        /* ===== 排行榜 ===== */
        .rank-list {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .rank-item {
            display: flex;
            align-items: center;
            gap: 16px;
            background: var(--bg-card);
            padding: 16px 20px;
            border-radius: var(--radius-sm);
            border: 1px solid var(--border-light);
            transition: var(--transition);
        }
        .rank-item:hover {
            background: rgba(230, 57, 70, 0.03);
            border-color: var(--primary-light);
        }
        .rank-num {
            font-size: 1.2rem;
            font-weight: 800;
            color: var(--primary);
            min-width: 32px;
            text-align: center;
        }
        .rank-num.gold {
            color: #f59e0b;
        }
        .rank-num.silver {
            color: #94a3b8;
        }
        .rank-num.bronze {
            color: #cd7f32;
        }
        .rank-info {
            flex: 1;
        }
        .rank-info h4 {
            font-size: 1rem;
            font-weight: 600;
            color: var(--secondary);
        }
        .rank-info p {
            font-size: 0.85rem;
            color: var(--text-light);
        }
        .rank-score {
            font-size: 1rem;
            font-weight: 700;
            color: var(--primary);
            background: rgba(230, 57, 70, 0.08);
            padding: 4px 14px;
            border-radius: 20px;
            white-space: nowrap;
        }

        /* ===== FAQ ===== */
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .faq-item {
            background: var(--bg-card);
            border-radius: var(--radius-sm);
            border: 1px solid var(--border-light);
            overflow: hidden;
            transition: var(--transition);
        }
        .faq-item:hover {
            border-color: var(--primary-light);
        }
        .faq-question {
            padding: 18px 22px;
            font-size: 1rem;
            font-weight: 600;
            color: var(--secondary);
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 12px;
            background: none;
            width: 100%;
            text-align: left;
            transition: var(--transition);
        }
        .faq-question:hover {
            color: var(--primary);
        }
        .faq-question i {
            transition: var(--transition);
            color: var(--text-light);
            font-size: 0.9rem;
        }
        .faq-item.open .faq-question i {
            transform: rotate(180deg);
            color: var(--primary);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease, padding 0.3s ease;
            padding: 0 22px;
        }
        .faq-item.open .faq-answer {
            max-height: 300px;
            padding: 0 22px 18px;
        }
        .faq-answer p {
            font-size: 0.95rem;
            color: var(--text-light);
            line-height: 1.7;
        }

        /* ===== CTA ===== */
        .cta-section {
            background: linear-gradient(135deg, var(--secondary) 0%, #16213e 100%);
            padding: 64px 0;
            text-align: center;
            color: var(--text-white);
            position: relative;
            overflow: hidden;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            top: -30%;
            right: -10%;
            width: 400px;
            height: 400px;
            background: radial-gradient(circle, rgba(230, 57, 70, 0.12) 0%, transparent 70%);
            border-radius: 50%;
        }
        .cta-section .container {
            position: relative;
            z-index: 1;
        }
        .cta-section h2 {
            font-size: 2rem;
            font-weight: 700;
            margin-bottom: 12px;
        }
        .cta-section p {
            font-size: 1.1rem;
            opacity: 0.9;
            max-width: 600px;
            margin: 0 auto 28px;
        }
        .cta-section .btn-group {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 14px;
        }
        .btn-primary {
            padding: 14px 36px;
            border-radius: var(--radius-sm);
            font-size: 1rem;
            font-weight: 600;
            color: #fff;
            background: var(--primary);
            transition: var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 8px;
            border: none;
            cursor: pointer;
        }
        .btn-primary:hover {
            background: var(--primary-dark);
            transform: translateY(-2px);
            box-shadow: 0 8px 28px rgba(230, 57, 70, 0.35);
            color: #fff;
        }
        .btn-secondary {
            padding: 14px 36px;
            border-radius: var(--radius-sm);
            font-size: 1rem;
            font-weight: 600;
            color: #fff;
            background: rgba(255, 255, 255, 0.12);
            border: 1px solid rgba(255, 255, 255, 0.25);
            transition: var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 8px;
            cursor: pointer;
        }
        .btn-secondary:hover {
            background: rgba(255, 255, 255, 0.2);
            color: #fff;
            transform: translateY(-2px);
        }
        @media (max-width: 768px) {
            .cta-section {
                padding: 48px 0;
            }
            .cta-section h2 {
                font-size: 1.5rem;
            }
            .cta-section p {
                font-size: 0.95rem;
            }
            .btn-primary,
            .btn-secondary {
                padding: 12px 28px;
                font-size: 0.9rem;
                width: 100%;
                justify-content: center;
            }
        }

        /* ===== Footer ===== */
        .footer {
            background: var(--bg-dark);
            color: rgba(255, 255, 255, 0.8);
            padding: 52px 0 20px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.6fr 1fr 1fr 1fr;
            gap: 36px;
            margin-bottom: 32px;
        }
        .footer-brand .logo {
            color: #fff;
            padding: 0;
            margin-bottom: 12px;
            font-size: 1.2rem;
        }
        .footer-brand p {
            font-size: 0.9rem;
            line-height: 1.7;
            opacity: 0.7;
        }
        .footer-col h4 {
            font-size: 1rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 16px;
        }
        .footer-col ul li {
            margin-bottom: 10px;
        }
        .footer-col ul li a {
            color: rgba(255, 255, 255, 0.65);
            font-size: 0.9rem;
            transition: var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }
        .footer-col ul li a:hover {
            color: var(--primary-light);
            padding-left: 4px;
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding-top: 20px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 12px;
            font-size: 0.85rem;
            opacity: 0.6;
        }
        .footer-bottom a {
            color: rgba(255, 255, 255, 0.7);
        }
        .footer-bottom a:hover {
            color: var(--primary-light);
        }
        @media (max-width: 768px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 28px;
            }
            .footer-brand {
                grid-column: 1 / -1;
            }
        }
        @media (max-width: 520px) {
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
        }

        /* ===== 面包屑 ===== */
        .breadcrumb {
            padding: 16px 0;
            font-size: 0.85rem;
            color: var(--text-light);
            background: var(--bg);
            border-bottom: 1px solid var(--border-light);
        }
        .breadcrumb a {
            color: var(--text-light);
        }
        .breadcrumb a:hover {
            color: var(--primary);
        }
        .breadcrumb span {
            color: var(--text);
            font-weight: 500;
        }
        .breadcrumb .sep {
            margin: 0 8px;
            color: var(--border);
        }

        /* ===== 响应式微调 ===== */
        @media (max-width: 900px) {
            body {
                padding-top: var(--header-height);
            }
        }
        @media (max-width: 520px) {
            :root {
                --header-height: 64px;
            }
        }