/* roulang page: index */
:root {
            --primary: #1a3a5c;
            --primary-light: #2a5580;
            --primary-dark: #0f2440;
            --accent: #d4940b;
            --accent-light: #f0b830;
            --accent-glow: rgba(212,148,11,0.18);
            --bg: #f5f6f9;
            --bg-alt: #edf0f5;
            --white: #ffffff;
            --surface: #ffffff;
            --text: #1e2a38;
            --text-secondary: #556677;
            --text-light: #7a8a99;
            --border: #dfe3ea;
            --border-light: #e8ecf2;
            --radius-xl: 20px;
            --radius-lg: 14px;
            --radius: 10px;
            --radius-sm: 7px;
            --radius-xs: 4px;
            --shadow-sm: 0 1px 4px rgba(0,0,0,0.04);
            --shadow: 0 2px 14px rgba(0,0,0,0.06);
            --shadow-md: 0 6px 24px rgba(0,0,0,0.08);
            --shadow-lg: 0 12px 40px rgba(0,0,0,0.12);
            --shadow-xl: 0 20px 60px rgba(0,0,0,0.16);
            --transition: 0.25s cubic-bezier(0.4,0,0.2,1);
            --transition-slow: 0.4s cubic-bezier(0.4,0,0.2,1);
            --font-sans: 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', system-ui, -apple-system, sans-serif;
            --container-max: 1200px;
            --container-narrow: 960px;
            --nav-height: 72px;
            --section-gap: 72px;
            --section-gap-sm: 48px;
        }

        *,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
        html{scroll-behavior:smooth;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}
        body{font-family:var(--font-sans);font-size:16px;line-height:1.7;color:var(--text);background:var(--bg);overflow-x:hidden;min-height:100vh}
        img{max-width:100%;height:auto;display:block}
        a{text-decoration:none;color:inherit;transition:color var(--transition)}
        button,input,select,textarea{font-family:inherit;font-size:inherit}
        ul,ol{list-style:none}
        h1,h2,h3,h4,h5,h6{line-height:1.25;font-weight:700;color:var(--text)}
        h1{font-size:2.75rem;letter-spacing:-0.02em}
        h2{font-size:2.1rem;letter-spacing:-0.01em}
        h3{font-size:1.45rem}
        h4{font-size:1.15rem}
        p{margin-bottom:1em}
        p:last-child{margin-bottom:0}
        .container{width:100%;max-width:var(--container-max);margin:0 auto;padding:0 28px}
        .container--narrow{max-width:var(--container-narrow)}

        /* ===== HEADER & NAV ===== */
        .site-header{position:sticky;top:0;z-index:1000;background:var(--white);border-bottom:1px solid var(--border-light);box-shadow:var(--shadow-sm);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px)}
        .header-inner{display:flex;align-items:center;justify-content:space-between;height:var(--nav-height);gap:20px}
        .logo-link{display:flex;align-items:center;gap:10px;font-size:1.35rem;font-weight:800;color:var(--primary);letter-spacing:-0.01em;white-space:nowrap;flex-shrink:0}
        .logo-link:hover{color:var(--primary-light)}
        .logo-icon{width:40px;height:40px;border-radius:var(--radius-sm);background:linear-gradient(135deg,var(--primary) 0%,var(--primary-light) 100%);display:flex;align-items:center;justify-content:center;color:#fff;font-size:1.1rem;flex-shrink:0;box-shadow:0 3px 8px rgba(26,58,92,0.25)}
        .nav-panel{display:flex;align-items:center;gap:6px;background:var(--bg-alt);border-radius:var(--radius-lg);padding:5px 6px}
        .nav-card-link{display:flex;align-items:center;gap:7px;padding:9px 18px;border-radius:var(--radius);font-size:0.95rem;font-weight:600;color:var(--text-secondary);transition:all var(--transition);white-space:nowrap;position:relative;background:transparent}
        .nav-card-link:hover{color:var(--primary);background:var(--white);box-shadow:var(--shadow-sm)}
        .nav-card-link.active{color:var(--primary);background:var(--white);box-shadow:var(--shadow);font-weight:700}
        .nav-card-link.active::after{content:'';position:absolute;bottom:2px;left:50%;transform:translateX(-50%);width:18px;height:3px;border-radius:3px;background:var(--accent)}
        .nav-card-link i{font-size:0.85rem;color:var(--accent);opacity:0.9}
        .header-cta{flex-shrink:0}
        .btn-nav-cta{display:inline-flex;align-items:center;gap:7px;padding:10px 22px;border-radius:var(--radius);font-weight:700;font-size:0.93rem;color:var(--white);background:var(--accent);border:none;cursor:pointer;transition:all var(--transition);white-space:nowrap;box-shadow:0 3px 12px var(--accent-glow)}
        .btn-nav-cta:hover{background:var(--accent-light);transform:translateY(-1px);box-shadow:0 6px 20px rgba(212,148,11,0.3)}
        .btn-nav-cta:active{transform:translateY(0)}
        .mobile-menu-toggle{display:none;background:none;border:none;font-size:1.5rem;color:var(--text);cursor:pointer;padding:8px;border-radius:var(--radius-sm);transition:all var(--transition)}
        .mobile-menu-toggle:hover{background:var(--bg-alt);color:var(--primary)}
        .mobile-menu-toggle i{pointer-events:none}

        /* ===== HERO ===== */
        .hero{position:relative;display:flex;align-items:center;min-height:560px;padding:80px 0 90px;background:linear-gradient(145deg,var(--primary-dark) 0%,var(--primary) 40%,var(--primary-light) 100%);overflow:hidden;isolation:isolate}
        .hero-bg{position:absolute;inset:0;z-index:0;background-image:url('/assets/images/backpic/back-1.png');background-size:cover;background-position:center;opacity:0.22;mix-blend-mode:overlay}
        .hero-glow{position:absolute;top:-120px;right:-160px;width:500px;height:500px;border-radius:50%;background:radial-gradient(circle,rgba(240,184,48,0.25) 0%,transparent 70%);z-index:1;pointer-events:none}
        .hero-glow2{position:absolute;bottom:-80px;left:-100px;width:350px;height:350px;border-radius:50%;background:radial-gradient(circle,rgba(255,255,255,0.08) 0%,transparent 70%);z-index:1;pointer-events:none}
        .hero .container{position:relative;z-index:2}
        .hero-content{max-width:620px}
        .hero-badge{display:inline-flex;align-items:center;gap:8px;padding:7px 16px;border-radius:50px;background:rgba(255,255,255,0.13);color:rgba(255,255,255,0.9);font-size:0.88rem;font-weight:600;margin-bottom:22px;backdrop-filter:blur(4px);border:1px solid rgba(255,255,255,0.18)}
        .hero-badge i{color:var(--accent-light);font-size:0.8rem}
        .hero-title{font-size:3rem;font-weight:800;color:#ffffff;margin-bottom:18px;letter-spacing:-0.02em;line-height:1.2}
        .hero-title span{color:var(--accent-light);position:relative}
        .hero-desc{font-size:1.15rem;color:rgba(255,255,255,0.82);margin-bottom:30px;line-height:1.65;max-width:500px}
        .hero-actions{display:flex;flex-wrap:wrap;gap:14px}
        .btn-hero-primary{display:inline-flex;align-items:center;gap:8px;padding:14px 30px;border-radius:var(--radius);font-weight:700;font-size:1rem;color:var(--white);background:var(--accent);border:none;cursor:pointer;transition:all var(--transition);box-shadow:0 6px 22px rgba(212,148,11,0.35)}
        .btn-hero-primary:hover{background:var(--accent-light);transform:translateY(-2px);box-shadow:0 10px 30px rgba(212,148,11,0.45)}
        .btn-hero-outline{display:inline-flex;align-items:center;gap:8px;padding:14px 30px;border-radius:var(--radius);font-weight:700;font-size:1rem;color:#fff;background:rgba(255,255,255,0.08);border:2px solid rgba(255,255,255,0.35);cursor:pointer;transition:all var(--transition);backdrop-filter:blur(4px)}
        .btn-hero-outline:hover{background:rgba(255,255,255,0.16);border-color:rgba(255,255,255,0.6);transform:translateY(-2px)}
        .hero-stats{display:flex;gap:40px;margin-top:36px;padding-top:28px;border-top:1px solid rgba(255,255,255,0.15)}
        .hero-stat{text-align:left}
        .hero-stat-num{font-size:2rem;font-weight:800;color:#fff;line-height:1}
        .hero-stat-label{font-size:0.85rem;color:rgba(255,255,255,0.65);margin-top:4px}

        /* ===== SECTIONS ===== */
        .section{padding:var(--section-gap) 0}
        .section--alt{background:var(--white)}
        .section--bg-alt{background:var(--bg-alt)}
        .section-header{text-align:center;margin-bottom:48px}
        .section-label{display:inline-block;font-size:0.85rem;font-weight:700;color:var(--accent);text-transform:uppercase;letter-spacing:0.06em;margin-bottom:8px}
        .section-title{font-size:2rem;font-weight:800;color:var(--text);margin-bottom:10px}
        .section-subtitle{font-size:1.05rem;color:var(--text-secondary);max-width:560px;margin:0 auto}

        /* ===== INTRO SECTION ===== */
        .intro-grid{display:grid;grid-template-columns:1fr 1fr;gap:50px;align-items:center}
        .intro-image-wrap{position:relative;border-radius:var(--radius-xl);overflow:hidden;box-shadow:var(--shadow-lg)}
        .intro-image-wrap img{width:100%;height:auto;display:block;border-radius:var(--radius-xl)}
        .intro-image-badge{position:absolute;bottom:20px;left:20px;background:var(--white);padding:10px 16px;border-radius:var(--radius-sm);font-weight:700;font-size:0.9rem;color:var(--primary);box-shadow:var(--shadow-md);display:flex;align-items:center;gap:8px}
        .intro-image-badge i{color:var(--accent)}
        .intro-text h3{font-size:1.7rem;margin-bottom:14px;color:var(--primary)}
        .intro-text p{color:var(--text-secondary);line-height:1.75;margin-bottom:12px}
        .intro-features{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-top:20px}
        .intro-feature-item{display:flex;align-items:center;gap:9px;font-weight:600;font-size:0.93rem;color:var(--text)}
        .intro-feature-item i{color:var(--accent);font-size:1rem;width:20px;text-align:center}

        /* ===== CATEGORY ENTRY ===== */
        .category-cards{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:22px}
        .category-card{background:var(--white);border-radius:var(--radius-xl);overflow:hidden;box-shadow:var(--shadow);transition:all var(--transition-slow);border:1px solid var(--border-light);display:flex;flex-direction:column;cursor:pointer}
        .category-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-lg);border-color:var(--border)}
        .category-card-image{width:100%;height:180px;object-fit:cover;display:block}
        .category-card-body{padding:20px 22px 22px;flex:1;display:flex;flex-direction:column}
        .category-card-tag{display:inline-block;font-size:0.78rem;font-weight:700;color:var(--accent);background:rgba(212,148,11,0.08);padding:3px 10px;border-radius:50px;margin-bottom:8px;align-self:flex-start}
        .category-card-title{font-size:1.2rem;font-weight:700;color:var(--text);margin-bottom:6px}
        .category-card-desc{font-size:0.9rem;color:var(--text-light);line-height:1.55;flex:1}
        .category-card-link{display:inline-flex;align-items:center;gap:6px;margin-top:12px;font-weight:700;font-size:0.9rem;color:var(--primary);transition:all var(--transition)}
        .category-card-link:hover{color:var(--accent);gap:10px}
        .category-card-link i{font-size:0.75rem}

        /* ===== CMS LIST ===== */
        .cms-list-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(340px,1fr));gap:20px}
        .cms-card{background:var(--white);border-radius:var(--radius-lg);padding:22px 24px;box-shadow:var(--shadow);border:1px solid var(--border-light);transition:all var(--transition);display:flex;flex-direction:column;gap:8px}
        .cms-card:hover{box-shadow:var(--shadow-md);border-color:var(--border);transform:translateY(-2px)}
        .cms-card-meta{display:flex;align-items:center;gap:12px;font-size:0.82rem;color:var(--text-light)}
        .cms-card-category{display:inline-block;padding:3px 10px;border-radius:50px;font-size:0.75rem;font-weight:700;background:rgba(26,58,92,0.07);color:var(--primary)}
        .cms-card-title{font-size:1.08rem;font-weight:700;color:var(--text);line-height:1.4;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
        .cms-card-title a{color:inherit;transition:color var(--transition)}
        .cms-card-title a:hover{color:var(--accent)}
        .cms-card-excerpt{font-size:0.9rem;color:var(--text-light);line-height:1.55;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
        .cms-card-footer{display:flex;align-items:center;justify-content:space-between;margin-top:auto;padding-top:10px;border-top:1px solid var(--border-light)}
        .cms-card-date{font-size:0.8rem;color:var(--text-light)}
        .cms-card-arrow{color:var(--primary);font-size:0.85rem;transition:all var(--transition)}
        .cms-card:hover .cms-card-arrow{color:var(--accent);transform:translateX(3px)}
        .cms-empty{text-align:center;padding:50px 20px;color:var(--text-light);font-size:1.05rem;grid-column:1/-1}

        /* ===== STATS SECTION ===== */
        .stats-row{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
        .stat-card{background:var(--white);border-radius:var(--radius-xl);padding:30px 24px;text-align:center;box-shadow:var(--shadow);border:1px solid var(--border-light);transition:all var(--transition)}
        .stat-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg)}
        .stat-icon{width:52px;height:52px;border-radius:50%;margin:0 auto 16px;display:flex;align-items:center;justify-content:center;font-size:1.3rem;color:#fff;background:linear-gradient(135deg,var(--primary) 0%,var(--primary-light) 100%);box-shadow:0 4px 12px rgba(26,58,92,0.25)}
        .stat-number{font-size:2.4rem;font-weight:800;color:var(--text);line-height:1;margin-bottom:4px}
        .stat-label{font-size:0.9rem;color:var(--text-light);font-weight:500}

        /* ===== FEATURES ===== */
        .features-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:26px}
        .feature-card{background:var(--white);border-radius:var(--radius-xl);padding:28px 26px;box-shadow:var(--shadow);border:1px solid var(--border-light);transition:all var(--transition);text-align:center}
        .feature-card:hover{box-shadow:var(--shadow-md);transform:translateY(-3px)}
        .feature-card-icon{width:56px;height:56px;border-radius:var(--radius);margin:0 auto 16px;display:flex;align-items:center;justify-content:center;font-size:1.4rem;background:rgba(26,58,92,0.06);color:var(--primary)}
        .feature-card h4{font-size:1.1rem;margin-bottom:8px;color:var(--text)}
        .feature-card p{font-size:0.9rem;color:var(--text-light);line-height:1.6}
        .feature-image-card{grid-column:span 1;background:var(--white);border-radius:var(--radius-xl);overflow:hidden;box-shadow:var(--shadow);border:1px solid var(--border-light);transition:all var(--transition)}
        .feature-image-card:hover{box-shadow:var(--shadow-lg);transform:translateY(-3px)}
        .feature-image-card img{width:100%;height:220px;object-fit:cover}
        .feature-image-card-body{padding:18px 20px}
        .feature-image-card-body h4{font-size:1.05rem;margin-bottom:4px}
        .feature-image-card-body p{font-size:0.85rem;color:var(--text-light)}

        /* ===== FAQ ===== */
        .faq-list{max-width:760px;margin:0 auto;display:flex;flex-direction:column;gap:12px}
        .faq-item{background:var(--white);border-radius:var(--radius-lg);border:1px solid var(--border-light);overflow:hidden;transition:all var(--transition);box-shadow:var(--shadow-sm)}
        .faq-item:hover{border-color:var(--border)}
        .faq-question{width:100%;display:flex;align-items:center;justify-content:space-between;padding:18px 22px;background:none;border:none;cursor:pointer;font-size:1rem;font-weight:700;color:var(--text);text-align:left;gap:12px;transition:all var(--transition)}
        .faq-question:hover{color:var(--primary)}
        .faq-question i{font-size:0.85rem;color:var(--text-light);transition:transform var(--transition);flex-shrink:0}
        .faq-item.open .faq-question i{transform:rotate(180deg);color:var(--accent)}
        .faq-item.open .faq-question{color:var(--primary)}
        .faq-answer{max-height:0;overflow:hidden;transition:max-height var(--transition-slow),padding var(--transition-slow)}
        .faq-item.open .faq-answer{max-height:300px}
        .faq-answer-inner{padding:0 22px 20px;color:var(--text-secondary);font-size:0.93rem;line-height:1.7}

        /* ===== CTA ===== */
        .cta-section{background:linear-gradient(150deg,var(--primary) 0%,var(--primary-dark) 100%);padding:70px 0;text-align:center;position:relative;overflow:hidden}
        .cta-bg-pattern{position:absolute;inset:0;background-image:url('/assets/images/backpic/back-2.png');background-size:cover;background-position:center;opacity:0.12;mix-blend-mode:overlay;pointer-events:none}
        .cta-section .container{position:relative;z-index:2}
        .cta-title{font-size:2rem;font-weight:800;color:#fff;margin-bottom:12px}
        .cta-desc{font-size:1.05rem;color:rgba(255,255,255,0.78);margin-bottom:28px;max-width:500px;margin-left:auto;margin-right:auto}
        .btn-cta-large{display:inline-flex;align-items:center;gap:10px;padding:16px 36px;border-radius:var(--radius);font-weight:700;font-size:1.05rem;color:var(--primary-dark);background:var(--accent-light);border:none;cursor:pointer;transition:all var(--transition);box-shadow:0 8px 28px rgba(240,184,48,0.4)}
        .btn-cta-large:hover{background:#f5c542;transform:translateY(-3px);box-shadow:0 14px 36px rgba(240,184,48,0.5)}

        /* ===== FOOTER ===== */
        .site-footer{background:var(--primary-dark);color:rgba(255,255,255,0.75);padding:50px 0 30px}
        .footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:36px;margin-bottom:36px}
        .footer-brand-name{font-size:1.3rem;font-weight:800;color:#fff;margin-bottom:8px;display:block}
        .footer-brand-desc{font-size:0.88rem;color:rgba(255,255,255,0.6);line-height:1.6;max-width:280px}
        .footer-col h4{font-size:0.95rem;font-weight:700;color:#fff;margin-bottom:14px;letter-spacing:0.02em}
        .footer-col ul{display:flex;flex-direction:column;gap:8px}
        .footer-col ul li a{font-size:0.88rem;color:rgba(255,255,255,0.6);transition:color var(--transition)}
        .footer-col ul li a:hover{color:var(--accent-light)}
        .footer-bottom{border-top:1px solid rgba(255,255,255,0.12);padding-top:22px;display:flex;flex-wrap:wrap;justify-content:space-between;align-items:center;gap:12px;font-size:0.84rem;color:rgba(255,255,255,0.45)}
        .footer-bottom a{color:rgba(255,255,255,0.55);transition:color var(--transition)}
        .footer-bottom a:hover{color:var(--accent-light)}

        /* ===== RESPONSIVE ===== */
        @media(max-width:1024px){
            h1{font-size:2.3rem}
            h2{font-size:1.8rem}
            .hero{min-height:480px;padding:60px 0 70px}
            .hero-title{font-size:2.4rem}
            .stats-row{grid-template-columns:repeat(2,1fr)}
            .features-grid{grid-template-columns:repeat(2,1fr)}
            .feature-image-card{grid-column:span 1}
            .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
            .intro-grid{grid-template-columns:1fr;gap:32px}
            .cms-list-grid{grid-template-columns:repeat(auto-fill,minmax(280px,1fr))}
        }
        @media(max-width:768px){
            :root{--nav-height:62px;--section-gap:50px;--section-gap-sm:36px}
            .container{padding:0 18px}
            h1{font-size:2rem}
            h2{font-size:1.55rem}
            h3{font-size:1.25rem}
            .header-inner{gap:14px}
            .nav-panel{display:none;position:absolute;top:var(--nav-height);left:0;right:0;background:var(--white);flex-direction:column;padding:16px 20px;gap:4px;border-bottom:2px solid var(--border-light);box-shadow:var(--shadow-lg);border-radius:0;z-index:999}
            .nav-panel.open{display:flex}
            .nav-card-link{width:100%;padding:12px 16px;border-radius:var(--radius-sm);font-size:0.95rem}
            .mobile-menu-toggle{display:flex}
            .hero{min-height:420px;padding:50px 0 55px;text-align:center}
            .hero-content{max-width:100%}
            .hero-title{font-size:2rem}
            .hero-desc{max-width:100%;margin-left:auto;margin-right:auto}
            .hero-actions{justify-content:center}
            .hero-stats{justify-content:center;gap:24px;flex-wrap:wrap}
            .hero-stat-num{font-size:1.5rem}
            .stats-row{grid-template-columns:1fr 1fr;gap:14px}
            .features-grid{grid-template-columns:1fr;gap:16px}
            .feature-image-card{grid-column:span 1}
            .category-cards{grid-template-columns:1fr}
            .cms-list-grid{grid-template-columns:1fr}
            .footer-grid{grid-template-columns:1fr;gap:24px}
            .footer-bottom{flex-direction:column;text-align:center}
            .intro-features{grid-template-columns:1fr}
            .section-header{margin-bottom:32px}
            .section-title{font-size:1.55rem}
            .header-cta .btn-nav-cta{padding:8px 16px;font-size:0.85rem}
        }
        @media(max-width:520px){
            h1{font-size:1.7rem}
            h2{font-size:1.35rem}
            .hero{min-height:360px;padding:40px 0 45px}
            .hero-title{font-size:1.65rem}
            .hero-desc{font-size:0.95rem}
            .hero-stats{gap:16px}
            .hero-stat-num{font-size:1.25rem}
            .hero-stat-label{font-size:0.75rem}
            .btn-hero-primary,.btn-hero-outline{padding:12px 22px;font-size:0.9rem;width:100%;justify-content:center}
            .hero-actions{flex-direction:column;width:100%}
            .stats-row{grid-template-columns:1fr 1fr;gap:10px}
            .stat-card{padding:20px 14px}
            .stat-number{font-size:1.7rem}
            .stat-icon{width:40px;height:40px;font-size:1rem;margin-bottom:10px}
            .section{padding:var(--section-gap-sm) 0}
            .cta-title{font-size:1.5rem}
            .btn-cta-large{padding:14px 26px;font-size:0.95rem}
            .logo-link{font-size:1.1rem}
            .logo-icon{width:34px;height:34px;font-size:0.9rem}
        }

        /* ===== FOCUS / ACCESSIBILITY ===== */
        a:focus-visible,button:focus-visible,input:focus-visible,textarea:focus-visible{outline:3px solid var(--accent-light);outline-offset:2px;border-radius:var(--radius-xs)}
        .skip-link{position:absolute;top:-100px;left:16px;background:var(--accent);color:#fff;padding:10px 16px;border-radius:var(--radius-sm);z-index:9999;font-weight:700;transition:top 0.3s}
        .skip-link:focus{top:10px}

/* roulang page: article */
:root {
            --primary: #1a365d;
            --primary-hover: #0f2440;
            --primary-light: #e8eef6;
            --accent: #c8853c;
            --accent-hover: #a66d2f;
            --accent-light: #fdf6ed;
            --bg: #f4f5f7;
            --bg-white: #ffffff;
            --bg-card: #ffffff;
            --text: #1a1d26;
            --text-secondary: #5a6072;
            --text-muted: #8b919e;
            --border: #e2e5ea;
            --border-light: #eef0f3;
            --shadow-sm: 0 1px 3px rgba(0,0,0,0.06);
            --shadow-md: 0 4px 16px rgba(0,0,0,0.08);
            --shadow-lg: 0 8px 32px rgba(0,0,0,0.10);
            --shadow-xl: 0 16px 48px rgba(0,0,0,0.12);
            --radius-sm: 8px;
            --radius: 12px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --transition: 0.2s ease;
            --transition-slow: 0.35s ease;
            --font-sans: 'Segoe UI', system-ui, -apple-system, 'PingFang SC', 'Microsoft YaHei', sans-serif;
            --max-width: 1240px;
            --nav-height: 72px;
            --section-gap: 60px;
            --content-width: 65%;
            --sidebar-width: 32%;
            --spacing-xs: 8px;
            --spacing-sm: 16px;
            --spacing-md: 24px;
            --spacing-lg: 40px;
            --spacing-xl: 56px;
        }

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

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

        body {
            font-family: var(--font-sans);
            font-size: 16px;
            line-height: 1.7;
            color: var(--text);
            background: var(--bg);
            min-height: 100vh;
            display: flex;
            flex-direction: column;
        }

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

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

        button, input, textarea {
            font-family: inherit;
        }

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

        /* ========== HEADER & NAV ========== */
        .site-header {
            background: var(--bg-white);
            border-bottom: 1px solid var(--border);
            position: sticky;
            top: 0;
            z-index: 100;
            box-shadow: var(--shadow-sm);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: var(--nav-height);
            gap: 20px;
        }

        .logo-link {
            display: flex;
            align-items: center;
            gap: 10px;
            text-decoration: none;
            flex-shrink: 0;
        }
        .logo-icon {
            width: 40px;
            height: 40px;
            background: var(--primary);
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 18px;
            font-weight: 700;
        }
        .logo-text {
            font-size: 20px;
            font-weight: 700;
            color: var(--primary);
            letter-spacing: 0.5px;
        }

        .nav-panel {
            display: flex;
            align-items: center;
            gap: 6px;
            background: var(--bg);
            border-radius: var(--radius);
            padding: 5px 6px;
            border: 1px solid var(--border-light);
        }

        .nav-card-link {
            display: inline-flex;
            align-items: center;
            gap: 7px;
            padding: 9px 18px;
            border-radius: var(--radius-sm);
            font-size: 14px;
            font-weight: 500;
            color: var(--text-secondary);
            text-decoration: none;
            transition: all var(--transition);
            white-space: nowrap;
            border: 1px solid transparent;
            background: transparent;
        }
        .nav-card-link i {
            font-size: 14px;
        }
        .nav-card-link:hover {
            color: var(--primary);
            background: var(--bg-white);
            border-color: var(--border);
            box-shadow: var(--shadow-sm);
        }
        .nav-card-link.active,
        .nav-card-link[aria-current="page"] {
            color: #fff;
            background: var(--primary);
            border-color: var(--primary);
            box-shadow: var(--shadow-md);
        }
        .nav-card-link.active i,
        .nav-card-link[aria-current="page"] i {
            color: #fff;
        }

        .nav-cta {
            display: inline-flex;
            align-items: center;
            gap: 7px;
            padding: 9px 18px;
            border-radius: var(--radius-sm);
            font-size: 14px;
            font-weight: 600;
            background: var(--accent);
            color: #fff;
            text-decoration: none;
            transition: all var(--transition);
            white-space: nowrap;
            border: none;
            cursor: pointer;
            flex-shrink: 0;
        }
        .nav-cta:hover {
            background: var(--accent-hover);
            color: #fff;
            box-shadow: var(--shadow-md);
            transform: translateY(-1px);
        }
        .nav-cta:active {
            transform: translateY(0);
        }

        /* 移动端导航 */
        .mobile-menu-toggle {
            display: none;
            background: none;
            border: none;
            font-size: 22px;
            color: var(--text);
            cursor: pointer;
            padding: 8px;
            border-radius: var(--radius-sm);
            transition: background var(--transition);
        }
        .mobile-menu-toggle:hover {
            background: var(--bg);
        }

        @media (max-width: 768px) {
            .nav-panel {
                position: fixed;
                top: var(--nav-height);
                left: 0;
                right: 0;
                flex-direction: column;
                background: var(--bg-white);
                border-radius: 0;
                border: none;
                border-bottom: 2px solid var(--border);
                padding: 12px 16px;
                gap: 4px;
                box-shadow: var(--shadow-lg);
                transform: translateY(-120%);
                opacity: 0;
                transition: transform var(--transition-slow), opacity var(--transition-slow);
                z-index: 99;
            }
            .nav-panel.open {
                transform: translateY(0);
                opacity: 1;
            }
            .nav-card-link {
                width: 100%;
                padding: 12px 16px;
                border-radius: var(--radius-sm);
            }
            .mobile-menu-toggle {
                display: block;
            }
            .nav-cta {
                display: none;
            }
            .nav-cta-mobile {
                display: inline-flex !important;
                margin-top: 4px;
                width: 100%;
                justify-content: center;
                padding: 12px 16px;
                border-radius: var(--radius-sm);
            }
        }
        @media (min-width: 769px) {
            .nav-cta-mobile {
                display: none !important;
            }
        }

        /* ========== BREADCRUMB ========== */
        .breadcrumb-wrap {
            background: var(--bg-white);
            border-bottom: 1px solid var(--border-light);
            padding: 14px 0;
        }
        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            color: var(--text-muted);
            flex-wrap: wrap;
        }
        .breadcrumb a {
            color: var(--text-secondary);
            text-decoration: none;
            transition: color var(--transition);
        }
        .breadcrumb a:hover {
            color: var(--accent);
        }
        .breadcrumb .separator {
            color: var(--border);
            font-size: 10px;
        }
        .breadcrumb .current {
            color: var(--text);
            font-weight: 500;
        }

        /* ========== MAIN LAYOUT ========== */
        .page-main {
            flex: 1;
            padding: var(--spacing-lg) 0 var(--spacing-xl);
        }
        .content-layout {
            display: flex;
            gap: 36px;
            align-items: flex-start;
        }
        .content-primary {
            flex: 1;
            min-width: 0;
        }
        .content-sidebar {
            width: 340px;
            flex-shrink: 0;
        }

        @media (max-width: 960px) {
            .content-layout {
                flex-direction: column;
                gap: 32px;
            }
            .content-sidebar {
                width: 100%;
            }
        }

        /* ========== ARTICLE CARD ========== */
        .article-card {
            background: var(--bg-white);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-md);
            overflow: hidden;
            border: 1px solid var(--border-light);
        }
        .article-header-image {
            width: 100%;
            height: 360px;
            object-fit: cover;
            display: block;
            background: linear-gradient(135deg, #e8ecf1 0%, #dce3ea 100%);
        }
        @media (max-width: 768px) {
            .article-header-image {
                height: 220px;
            }
        }
        .article-body {
            padding: 36px 40px 40px;
        }
        @media (max-width: 600px) {
            .article-body {
                padding: 24px 20px 28px;
            }
        }

        .article-meta {
            display: flex;
            align-items: center;
            gap: 14px;
            flex-wrap: wrap;
            margin-bottom: 16px;
            font-size: 13px;
            color: var(--text-muted);
        }
        .article-meta .meta-tag {
            display: inline-flex;
            align-items: center;
            gap: 5px;
            background: var(--primary-light);
            color: var(--primary);
            padding: 4px 12px;
            border-radius: 20px;
            font-weight: 500;
            font-size: 12px;
        }
        .article-meta .meta-tag i {
            font-size: 11px;
        }
        .article-meta .meta-date {
            display: inline-flex;
            align-items: center;
            gap: 5px;
        }

        .article-title {
            font-size: 30px;
            font-weight: 700;
            color: var(--text);
            line-height: 1.35;
            margin-bottom: 12px;
            letter-spacing: -0.3px;
        }
        @media (max-width: 600px) {
            .article-title {
                font-size: 22px;
            }
        }

        .article-excerpt {
            font-size: 16px;
            color: var(--text-secondary);
            line-height: 1.7;
            margin-bottom: 28px;
            padding-bottom: 24px;
            border-bottom: 1px solid var(--border-light);
        }

        .article-content {
            font-size: 16px;
            line-height: 1.85;
            color: var(--text);
        }
        .article-content h2 {
            font-size: 22px;
            font-weight: 700;
            margin: 32px 0 14px;
            color: var(--primary);
            padding-bottom: 8px;
            border-bottom: 2px solid var(--border-light);
        }
        .article-content h3 {
            font-size: 18px;
            font-weight: 600;
            margin: 26px 0 10px;
            color: var(--text);
        }
        .article-content p {
            margin-bottom: 18px;
        }
        .article-content ul, .article-content ol {
            margin: 16px 0;
            padding-left: 24px;
        }
        .article-content li {
            margin-bottom: 8px;
        }
        .article-content blockquote {
            border-left: 4px solid var(--accent);
            background: var(--accent-light);
            padding: 16px 20px;
            margin: 22px 0;
            border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
            color: var(--text-secondary);
            font-style: italic;
        }
        .article-content img {
            border-radius: var(--radius);
            margin: 20px 0;
        }
        .article-content strong {
            color: var(--text);
            font-weight: 600;
        }

        /* ========== ARTICLE FOOTER (bottom of article) ========== */
        .article-footer-actions {
            margin-top: 32px;
            padding-top: 24px;
            border-top: 1px solid var(--border-light);
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 16px;
        }
        .btn-back {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 10px 20px;
            border-radius: var(--radius-sm);
            font-size: 14px;
            font-weight: 500;
            background: var(--bg);
            color: var(--text-secondary);
            text-decoration: none;
            border: 1px solid var(--border);
            transition: all var(--transition);
        }
        .btn-back:hover {
            background: var(--bg-white);
            color: var(--primary);
            border-color: var(--primary);
            box-shadow: var(--shadow-sm);
        }
        .btn-primary-action {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 10px 22px;
            border-radius: var(--radius-sm);
            font-size: 14px;
            font-weight: 600;
            background: var(--accent);
            color: #fff;
            text-decoration: none;
            border: none;
            cursor: pointer;
            transition: all var(--transition);
        }
        .btn-primary-action:hover {
            background: var(--accent-hover);
            color: #fff;
            box-shadow: var(--shadow-md);
            transform: translateY(-1px);
        }

        /* ========== SIDEBAR ========== */
        .sidebar-card {
            background: var(--bg-white);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-light);
            padding: 24px;
            margin-bottom: 24px;
        }
        .sidebar-card h3 {
            font-size: 17px;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 16px;
            padding-bottom: 12px;
            border-bottom: 2px solid var(--border-light);
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .sidebar-card h3 i {
            color: var(--accent);
            font-size: 15px;
        }
        .sidebar-post-list {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 14px;
        }
        .sidebar-post-item {
            display: flex;
            gap: 12px;
            align-items: flex-start;
            padding-bottom: 14px;
            border-bottom: 1px solid var(--border-light);
        }
        .sidebar-post-item:last-child {
            border-bottom: none;
            padding-bottom: 0;
        }
        .sidebar-post-thumb {
            width: 64px;
            height: 48px;
            border-radius: var(--radius-sm);
            object-fit: cover;
            flex-shrink: 0;
            background: #eef1f5;
        }
        .sidebar-post-info {
            flex: 1;
            min-width: 0;
        }
        .sidebar-post-title {
            font-size: 14px;
            font-weight: 500;
            color: var(--text);
            line-height: 1.4;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            margin-bottom: 4px;
        }
        .sidebar-post-title a {
            color: var(--text);
            text-decoration: none;
            transition: color var(--transition);
        }
        .sidebar-post-title a:hover {
            color: var(--accent);
        }
        .sidebar-post-date {
            font-size: 12px;
            color: var(--text-muted);
        }

        .sidebar-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }
        .sidebar-tag {
            display: inline-block;
            padding: 6px 14px;
            border-radius: 20px;
            font-size: 12px;
            font-weight: 500;
            background: var(--bg);
            color: var(--text-secondary);
            text-decoration: none;
            border: 1px solid var(--border-light);
            transition: all var(--transition);
        }
        .sidebar-tag:hover {
            background: var(--primary-light);
            color: var(--primary);
            border-color: var(--primary);
        }

        /* ========== NOT FOUND STATE ========== */
        .not-found-card {
            background: var(--bg-white);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-md);
            border: 1px solid var(--border-light);
            padding: 60px 40px;
            text-align: center;
        }
        .not-found-icon {
            font-size: 56px;
            color: var(--text-muted);
            margin-bottom: 20px;
            opacity: 0.5;
        }
        .not-found-card h2 {
            font-size: 26px;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 10px;
        }
        .not-found-card p {
            color: var(--text-secondary);
            margin-bottom: 24px;
            font-size: 15px;
        }

        /* ========== CTA SECTION ========== */
        .cta-section {
            background: var(--primary);
            border-radius: var(--radius-lg);
            padding: 44px 40px;
            text-align: center;
            margin-top: var(--section-gap);
            position: relative;
            overflow: hidden;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            top: -60px;
            right: -60px;
            width: 200px;
            height: 200px;
            border-radius: 50%;
            background: rgba(255,255,255,0.04);
            pointer-events: none;
        }
        .cta-section::after {
            content: '';
            position: absolute;
            bottom: -40px;
            left: -40px;
            width: 140px;
            height: 140px;
            border-radius: 50%;
            background: rgba(255,255,255,0.03);
            pointer-events: none;
        }
        .cta-section h3 {
            font-size: 24px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 10px;
            position: relative;
            z-index: 1;
        }
        .cta-section p {
            color: rgba(255,255,255,0.8);
            margin-bottom: 22px;
            font-size: 15px;
            position: relative;
            z-index: 1;
        }
        .cta-section .btn-cta {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 12px 28px;
            border-radius: var(--radius-sm);
            font-size: 15px;
            font-weight: 600;
            background: var(--accent);
            color: #fff;
            text-decoration: none;
            border: none;
            cursor: pointer;
            transition: all var(--transition);
            position: relative;
            z-index: 1;
        }
        .cta-section .btn-cta:hover {
            background: #fff;
            color: var(--primary);
            box-shadow: var(--shadow-lg);
            transform: translateY(-2px);
        }
        @media (max-width: 600px) {
            .cta-section {
                padding: 32px 24px;
            }
            .cta-section h3 {
                font-size: 20px;
            }
        }

        /* ========== FOOTER ========== */
        .site-footer {
            background: #1a1d26;
            color: #b0b8c4;
            padding: 48px 0 0;
            margin-top: auto;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 36px;
            padding-bottom: 36px;
            border-bottom: 1px solid rgba(255,255,255,0.08);
        }
        @media (max-width: 768px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 28px;
            }
        }
        @media (max-width: 480px) {
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
        }
        .footer-brand-name {
            font-size: 20px;
            font-weight: 700;
            color: #fff;
            display: block;
            margin-bottom: 8px;
        }
        .footer-brand-desc {
            font-size: 13px;
            line-height: 1.7;
            color: #8b919e;
            margin: 0;
        }
        .footer-col h4 {
            font-size: 14px;
            font-weight: 600;
            color: #fff;
            margin-bottom: 12px;
            letter-spacing: 0.3px;
        }
        .footer-col ul {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 7px;
        }
        .footer-col ul li a {
            color: #8b919e;
            text-decoration: none;
            font-size: 13px;
            transition: color var(--transition);
        }
        .footer-col ul li a:hover {
            color: #fff;
        }
        .footer-bottom {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 18px 0;
            font-size: 12px;
            color: #6b7280;
            flex-wrap: wrap;
            gap: 8px;
        }
        @media (max-width: 480px) {
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
        }

        /* ========== UTILITY ========== */
        .sr-only {
            position: absolute;
            width: 1px;
            height: 1px;
            padding: 0;
            margin: -1px;
            overflow: hidden;
            clip: rect(0,0,0,0);
            border: 0;
        }
        .fade-in {
            animation: fadeIn 0.5s ease forwards;
        }
        @keyframes fadeIn {
            from { opacity: 0; transform: translateY(12px); }
            to { opacity: 1; transform: translateY(0); }
        }

/* roulang page: category1 */
/* ===== 设计变量 ===== */
        :root {
            --color-primary: #1e1b4b;
            --color-primary-light: #312e81;
            --color-accent: #c8943e;
            --color-accent-hover: #b07d2e;
            --color-accent-light: #f5ecd7;
            --color-highlight: #3b82f6;
            --color-highlight-hover: #2563eb;
            --color-bg: #f8f7f4;
            --color-bg-alt: #f1efe9;
            --color-surface: #ffffff;
            --color-text: #1f2937;
            --color-text-secondary: #6b7280;
            --color-text-weak: #9ca3af;
            --color-border: #e5e7eb;
            --color-border-light: #f0efe9;
            --color-success: #10b981;
            --color-danger: #ef4444;
            --color-star: #f59e0b;
            --radius-sm: 8px;
            --radius-md: 14px;
            --radius-lg: 20px;
            --radius-xl: 28px;
            --shadow-sm: 0 1px 3px rgba(0,0,0,0.06), 0 1px 2px rgba(0,0,0,0.04);
            --shadow-md: 0 4px 16px rgba(0,0,0,0.08), 0 2px 6px rgba(0,0,0,0.04);
            --shadow-lg: 0 12px 36px rgba(0,0,0,0.10), 0 4px 12px rgba(0,0,0,0.05);
            --shadow-xl: 0 20px 60px rgba(0,0,0,0.12), 0 8px 20px rgba(0,0,0,0.06);
            --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
            --transition-base: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --transition-slow: 0.45s cubic-bezier(0.4, 0, 0.2, 1);
            --font-sans: 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', system-ui, -apple-system, sans-serif;
            --container-max: 1200px;
            --container-padding: 24px;
            --header-height: auto;
        }

        /* ===== Reset & Base ===== */
        *, *::before, *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
            text-size-adjust: 100%;
        }
        body {
            font-family: var(--font-sans);
            font-size: 16px;
            line-height: 1.7;
            color: var(--color-text);
            background-color: var(--color-bg);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            min-height: 100vh;
            display: flex;
            flex-direction: column;
        }
        a {
            color: inherit;
            text-decoration: none;
            transition: color var(--transition-fast);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button, input, select {
            font-family: inherit;
            font-size: inherit;
        }
        button {
            cursor: pointer;
            border: none;
            background: none;
        }
        ul, ol {
            list-style: none;
        }
        h1, h2, h3, h4, h5, h6 {
            font-weight: 700;
            line-height: 1.3;
            color: var(--color-primary);
        }
        h1 { font-size: 2.5rem; }
        h2 { font-size: 2rem; }
        h3 { font-size: 1.5rem; }
        h4 { font-size: 1.2rem; }
        :focus-visible {
            outline: 3px solid var(--color-highlight);
            outline-offset: 3px;
            border-radius: 4px;
        }

        /* ===== Container ===== */
        .container {
            width: 100%;
            max-width: var(--container-max);
            margin-left: auto;
            margin-right: auto;
            padding-left: var(--container-padding);
            padding-right: var(--container-padding);
        }

        /* ===== Header ===== */
        .site-header {
            background: var(--color-surface);
            border-bottom: 1px solid var(--color-border-light);
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: var(--shadow-sm);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 16px;
            padding-top: 14px;
            padding-bottom: 14px;
        }
        .header-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.5rem;
            font-weight: 800;
            color: var(--color-primary);
            letter-spacing: -0.02em;
            white-space: nowrap;
        }
        .header-logo .logo-icon {
            width: 42px;
            height: 42px;
            background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 1.3rem;
        }
        .header-logo:hover {
            color: var(--color-primary-light);
        }

        /* ===== 导航面板（卡片式） ===== */
        .nav-panel {
            display: flex;
            align-items: center;
            gap: 8px;
            background: var(--color-bg-alt);
            border-radius: var(--radius-lg);
            padding: 6px 8px;
            box-shadow: inset 0 1px 2px rgba(0,0,0,0.04);
        }
        .nav-card-link {
            display: inline-flex;
            align-items: center;
            gap: 7px;
            padding: 10px 18px;
            border-radius: var(--radius-md);
            font-size: 0.95rem;
            font-weight: 600;
            color: var(--color-text-secondary);
            transition: all var(--transition-base);
            white-space: nowrap;
            background: transparent;
        }
        .nav-card-link i {
            font-size: 0.9rem;
            transition: transform var(--transition-fast);
        }
        .nav-card-link:hover {
            color: var(--color-primary);
            background: var(--color-surface);
            box-shadow: var(--shadow-sm);
        }
        .nav-card-link:hover i {
            transform: translateY(-1px);
        }
        .nav-card-link.active,
        .nav-card-link[aria-current="page"] {
            color: #fff;
            background: var(--color-primary);
            box-shadow: var(--shadow-md);
        }
        .nav-card-link.active i,
        .nav-card-link[aria-current="page"] i {
            color: var(--color-accent);
        }
        .nav-cta-btn {
            margin-left: 6px;
            padding: 10px 20px;
            background: var(--color-accent);
            color: #fff;
            border-radius: var(--radius-md);
            font-weight: 700;
            font-size: 0.9rem;
            white-space: nowrap;
            transition: all var(--transition-base);
            box-shadow: 0 2px 8px rgba(200,148,62,0.3);
        }
        .nav-cta-btn:hover {
            background: var(--color-accent-hover);
            box-shadow: 0 4px 16px rgba(200,148,62,0.4);
            transform: translateY(-1px);
        }
        .nav-cta-btn:active {
            transform: translateY(0);
        }

        /* ===== Main ===== */
        .site-main {
            flex: 1;
        }

        /* ===== 分类 Banner ===== */
        .category-banner {
            position: relative;
            background: linear-gradient(135deg, #1e1b4b 0%, #312e81 40%, #1e1b4b 100%);
            background-image: url('/assets/images/backpic/back-1.png');
            background-size: cover;
            background-position: center;
            background-blend-mode: overlay;
            padding: 80px 0;
            text-align: center;
            color: #fff;
            overflow: hidden;
        }
        .category-banner::before {
            content: '';
            position: absolute;
            inset: 0;
            background: rgba(15, 15, 35, 0.55);
            z-index: 1;
        }
        .category-banner .container {
            position: relative;
            z-index: 2;
        }
        .category-banner .banner-badge {
            display: inline-block;
            padding: 6px 16px;
            background: rgba(255,255,255,0.15);
            border: 1px solid rgba(255,255,255,0.25);
            border-radius: 50px;
            font-size: 0.85rem;
            font-weight: 600;
            letter-spacing: 0.04em;
            margin-bottom: 20px;
            backdrop-filter: blur(8px);
        }
        .category-banner h1 {
            font-size: 3rem;
            color: #fff;
            margin-bottom: 14px;
            letter-spacing: -0.02em;
        }
        .category-banner h1 .accent {
            color: var(--color-accent);
        }
        .category-banner .banner-desc {
            font-size: 1.15rem;
            color: rgba(255,255,255,0.8);
            max-width: 600px;
            margin: 0 auto 28px;
            line-height: 1.7;
        }
        .banner-stats {
            display: flex;
            justify-content: center;
            gap: 40px;
            flex-wrap: wrap;
        }
        .banner-stat-item {
            text-align: center;
        }
        .banner-stat-item .stat-number {
            font-size: 2.2rem;
            font-weight: 800;
            color: var(--color-accent);
            letter-spacing: -0.02em;
        }
        .banner-stat-item .stat-label {
            font-size: 0.85rem;
            color: rgba(255,255,255,0.7);
            margin-top: 2px;
        }

        /* ===== 筛选工具栏 ===== */
        .filter-section {
            background: var(--color-surface);
            border-bottom: 1px solid var(--color-border-light);
            padding: 18px 0;
            position: sticky;
            top: 80px;
            z-index: 500;
            box-shadow: var(--shadow-sm);
        }
        .filter-section .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 14px;
        }
        .filter-tags {
            display: flex;
            gap: 8px;
            flex-wrap: wrap;
        }
        .filter-tag {
            padding: 8px 16px;
            border-radius: 50px;
            font-size: 0.9rem;
            font-weight: 600;
            color: var(--color-text-secondary);
            background: transparent;
            border: 1.5px solid var(--color-border);
            transition: all var(--transition-fast);
            cursor: pointer;
            white-space: nowrap;
        }
        .filter-tag:hover {
            border-color: var(--color-primary);
            color: var(--color-primary);
            background: var(--color-bg-alt);
        }
        .filter-tag.active {
            background: var(--color-primary);
            color: #fff;
            border-color: var(--color-primary);
        }
        .filter-sort {
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .filter-sort label {
            font-size: 0.9rem;
            font-weight: 600;
            color: var(--color-text-secondary);
            white-space: nowrap;
        }
        .filter-sort select {
            padding: 9px 32px 9px 14px;
            border-radius: 50px;
            border: 1.5px solid var(--color-border);
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--color-text);
            background: var(--color-bg-alt);
            appearance: none;
            -webkit-appearance: none;
            background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath d='M6 8L1 3h10z' fill='%236b7280'/%3E%3C/svg%3E");
            background-repeat: no-repeat;
            background-position: right 12px center;
            cursor: pointer;
            transition: all var(--transition-fast);
        }
        .filter-sort select:focus {
            border-color: var(--color-highlight);
            box-shadow: 0 0 0 3px rgba(59,130,246,0.1);
        }

        /* ===== 游戏卡片网格 ===== */
        .games-section {
            padding: 56px 0;
        }
        .section-header {
            display: flex;
            align-items: flex-end;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 16px;
            margin-bottom: 36px;
        }
        .section-header h2 {
            font-size: 1.8rem;
            letter-spacing: -0.01em;
        }
        .section-header .section-subtitle {
            color: var(--color-text-secondary);
            font-size: 0.95rem;
            margin-top: 4px;
        }
        .section-header .view-all {
            font-weight: 600;
            color: var(--color-highlight);
            font-size: 0.95rem;
            display: inline-flex;
            align-items: center;
            gap: 6px;
            transition: gap var(--transition-fast);
        }
        .section-header .view-all:hover {
            gap: 10px;
        }
        .games-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .game-card {
            background: var(--color-surface);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-base);
            display: flex;
            flex-direction: column;
            position: relative;
        }
        .game-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-5px);
            border-color: var(--color-border);
        }
        .game-card-image {
            position: relative;
            aspect-ratio: 16 / 10;
            overflow: hidden;
            background: var(--color-bg-alt);
        }
        .game-card-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-slow);
        }
        .game-card:hover .game-card-image img {
            transform: scale(1.06);
        }
        .game-card-image .card-tags {
            position: absolute;
            top: 12px;
            left: 12px;
            display: flex;
            gap: 6px;
            flex-wrap: wrap;
            z-index: 2;
        }
        .card-tag {
            padding: 4px 10px;
            border-radius: 50px;
            font-size: 0.75rem;
            font-weight: 700;
            letter-spacing: 0.02em;
            backdrop-filter: blur(10px);
        }
        .card-tag.hot {
            background: rgba(239,68,68,0.9);
            color: #fff;
        }
        .card-tag.recommend {
            background: rgba(16,185,129,0.9);
            color: #fff;
        }
        .card-tag.new {
            background: rgba(59,130,246,0.9);
            color: #fff;
        }
        .card-tag.classic {
            background: rgba(200,148,62,0.9);
            color: #fff;
        }
        .game-card-image .card-players {
            position: absolute;
            bottom: 12px;
            right: 12px;
            background: rgba(0,0,0,0.7);
            color: #fff;
            padding: 4px 10px;
            border-radius: 50px;
            font-size: 0.75rem;
            font-weight: 600;
            backdrop-filter: blur(6px);
            z-index: 2;
        }
        .game-card-body {
            padding: 18px 20px 20px;
            flex: 1;
            display: flex;
            flex-direction: column;
            gap: 8px;
        }
        .game-card-body .game-title {
            font-size: 1.15rem;
            font-weight: 700;
            color: var(--color-primary);
            letter-spacing: -0.01em;
        }
        .game-card-body .game-rating {
            display: flex;
            align-items: center;
            gap: 4px;
            font-size: 0.85rem;
            color: var(--color-star);
        }
        .game-card-body .game-rating .rating-value {
            color: var(--color-text);
            font-weight: 700;
            margin-left: 4px;
        }
        .game-card-body .game-desc {
            font-size: 0.88rem;
            color: var(--color-text-secondary);
            line-height: 1.6;
            flex: 1;
        }
        .game-card-body .game-cta {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 10px 20px;
            background: var(--color-primary);
            color: #fff;
            border-radius: var(--radius-sm);
            font-weight: 700;
            font-size: 0.9rem;
            transition: all var(--transition-base);
            margin-top: 6px;
        }
        .game-card-body .game-cta:hover {
            background: var(--color-primary-light);
            box-shadow: var(--shadow-md);
        }
        .game-card-body .game-cta:active {
            transform: scale(0.97);
        }

        /* ===== 热门排行区块 ===== */
        .ranking-section {
            padding: 56px 0;
            background: var(--color-surface);
            border-top: 1px solid var(--color-border-light);
            border-bottom: 1px solid var(--color-border-light);
        }
        .ranking-list {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 16px;
        }
        .ranking-item {
            display: flex;
            align-items: center;
            gap: 16px;
            padding: 16px 20px;
            background: var(--color-bg);
            border-radius: var(--radius-md);
            transition: all var(--transition-base);
            border: 1px solid transparent;
        }
        .ranking-item:hover {
            background: var(--color-surface);
            box-shadow: var(--shadow-md);
            border-color: var(--color-border-light);
        }
        .ranking-number {
            width: 44px;
            height: 44px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 800;
            font-size: 1.1rem;
            flex-shrink: 0;
            color: #fff;
        }
        .ranking-number.top1 {
            background: linear-gradient(135deg, #f59e0b, #d97706);
            box-shadow: 0 4px 14px rgba(245,158,11,0.35);
        }
        .ranking-number.top2 {
            background: linear-gradient(135deg, #94a3b8, #64748b);
            box-shadow: 0 4px 14px rgba(100,116,139,0.3);
        }
        .ranking-number.top3 {
            background: linear-gradient(135deg, #cd853f, #a0522d);
            box-shadow: 0 4px 14px rgba(160,82,45,0.3);
        }
        .ranking-number.normal {
            background: var(--color-text-secondary);
        }
        .ranking-info {
            flex: 1;
            min-width: 0;
        }
        .ranking-info .ranking-title {
            font-weight: 700;
            font-size: 0.95rem;
            color: var(--color-primary);
        }
        .ranking-info .ranking-meta {
            font-size: 0.8rem;
            color: var(--color-text-secondary);
            margin-top: 2px;
        }
        .ranking-thumb {
            width: 60px;
            height: 44px;
            border-radius: var(--radius-sm);
            overflow: hidden;
            flex-shrink: 0;
            background: var(--color-bg-alt);
        }
        .ranking-thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        /* ===== 精选推荐区块 ===== */
        .featured-section {
            padding: 56px 0;
        }
        .featured-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .featured-card {
            background: var(--color-surface);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-base);
        }
        .featured-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-4px);
        }
        .featured-card-image {
            aspect-ratio: 16 / 9;
            overflow: hidden;
            background: var(--color-bg-alt);
        }
        .featured-card-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-slow);
        }
        .featured-card:hover .featured-card-image img {
            transform: scale(1.05);
        }
        .featured-card-body {
            padding: 16px 18px 20px;
        }
        .featured-card-body .featured-title {
            font-weight: 700;
            font-size: 1.05rem;
            color: var(--color-primary);
        }
        .featured-card-body .featured-desc {
            font-size: 0.85rem;
            color: var(--color-text-secondary);
            margin-top: 6px;
            line-height: 1.5;
        }

        /* ===== FAQ 区块 ===== */
        .faq-section {
            padding: 56px 0;
            background: var(--color-bg-alt);
            border-top: 1px solid var(--color-border-light);
        }
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
        }
        .faq-item {
            background: var(--color-surface);
            border-radius: var(--radius-md);
            margin-bottom: 12px;
            border: 1px solid var(--color-border-light);
            overflow: hidden;
            transition: all var(--transition-base);
        }
        .faq-item:hover {
            box-shadow: var(--shadow-sm);
        }
        .faq-item summary {
            padding: 18px 22px;
            font-weight: 700;
            font-size: 1rem;
            color: var(--color-primary);
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            list-style: none;
            user-select: none;
        }
        .faq-item summary::-webkit-details-marker {
            display: none;
        }
        .faq-item summary::after {
            content: '\f078';
            font-family: 'Font Awesome 6 Free';
            font-weight: 900;
            font-size: 0.8rem;
            color: var(--color-text-secondary);
            transition: transform var(--transition-base);
            flex-shrink: 0;
        }
        .faq-item[open] summary::after {
            transform: rotate(180deg);
            color: var(--color-accent);
        }
        .faq-item[open] {
            border-color: var(--color-accent);
            box-shadow: var(--shadow-md);
        }
        .faq-item .faq-answer {
            padding: 0 22px 20px;
            font-size: 0.92rem;
            color: var(--color-text-secondary);
            line-height: 1.7;
        }

        /* ===== CTA 区块 ===== */
        .cta-section {
            padding: 64px 0;
            background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
            text-align: center;
            color: #fff;
        }
        .cta-section h2 {
            color: #fff;
            font-size: 2rem;
            margin-bottom: 12px;
            letter-spacing: -0.01em;
        }
        .cta-section p {
            color: rgba(255,255,255,0.8);
            font-size: 1.05rem;
            max-width: 550px;
            margin: 0 auto 28px;
            line-height: 1.7;
        }
        .cta-buttons {
            display: flex;
            gap: 14px;
            justify-content: center;
            flex-wrap: wrap;
        }
        .cta-btn-primary {
            padding: 14px 32px;
            background: var(--color-accent);
            color: #fff;
            border-radius: 50px;
            font-weight: 700;
            font-size: 1rem;
            transition: all var(--transition-base);
            box-shadow: 0 4px 20px rgba(200,148,62,0.4);
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }
        .cta-btn-primary:hover {
            background: var(--color-accent-hover);
            box-shadow: 0 6px 28px rgba(200,148,62,0.5);
            transform: translateY(-2px);
        }
        .cta-btn-secondary {
            padding: 14px 32px;
            background: rgba(255,255,255,0.12);
            color: #fff;
            border-radius: 50px;
            font-weight: 700;
            font-size: 1rem;
            border: 1.5px solid rgba(255,255,255,0.3);
            transition: all var(--transition-base);
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }
        .cta-btn-secondary:hover {
            background: rgba(255,255,255,0.2);
            border-color: rgba(255,255,255,0.5);
            transform: translateY(-2px);
        }

        /* ===== Footer ===== */
        .site-footer {
            background: #16161f;
            color: rgba(255,255,255,0.7);
            padding: 50px 0 28px;
            margin-top: auto;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1fr;
            gap: 36px;
            margin-bottom: 36px;
        }
        .footer-brand-name {
            font-size: 1.3rem;
            font-weight: 800;
            color: #fff;
            display: block;
            margin-bottom: 8px;
            letter-spacing: -0.01em;
        }
        .footer-brand-desc {
            font-size: 0.9rem;
            line-height: 1.6;
            color: rgba(255,255,255,0.55);
        }
        .footer-col h4 {
            color: #fff;
            font-size: 0.95rem;
            margin-bottom: 14px;
            font-weight: 700;
        }
        .footer-col ul li {
            margin-bottom: 9px;
        }
        .footer-col ul li a {
            color: rgba(255,255,255,0.6);
            font-size: 0.9rem;
            transition: all var(--transition-fast);
        }
        .footer-col ul li a:hover {
            color: var(--color-accent);
            padding-left: 4px;
        }
        .footer-bottom {
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 12px;
            padding-top: 22px;
            border-top: 1px solid rgba(255,255,255,0.1);
            font-size: 0.82rem;
            color: rgba(255,255,255,0.4);
        }

        /* ===== 响应式设计 ===== */
        @media (max-width: 1024px) {
            .games-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 18px;
            }
            .featured-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 18px;
            }
            .ranking-list {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
            .category-banner h1 {
                font-size: 2.4rem;
            }
            .banner-stats {
                gap: 24px;
            }
        }
        @media (max-width: 768px) {
            :root {
                --container-padding: 18px;
            }
            h1 { font-size: 2rem; }
            h2 { font-size: 1.6rem; }
            .header-inner {
                flex-direction: column;
                align-items: stretch;
                gap: 10px;
            }
            .header-logo {
                justify-content: center;
            }
            .nav-panel {
                justify-content: center;
                flex-wrap: wrap;
            }
            .nav-card-link {
                padding: 8px 14px;
                font-size: 0.85rem;
                gap: 5px;
            }
            .nav-cta-btn {
                padding: 8px 16px;
                font-size: 0.85rem;
                margin-left: 2px;
            }
            .category-banner {
                padding: 50px 0;
            }
            .category-banner h1 {
                font-size: 1.9rem;
            }
            .category-banner .banner-desc {
                font-size: 1rem;
            }
            .banner-stats {
                gap: 16px;
            }
            .banner-stat-item .stat-number {
                font-size: 1.6rem;
            }
            .games-grid {
                grid-template-columns: 1fr 1fr;
                gap: 14px;
            }
            .featured-grid {
                grid-template-columns: 1fr 1fr;
                gap: 14px;
            }
            .filter-section {
                top: auto;
                position: relative;
            }
            .filter-section .container {
                flex-direction: column;
                align-items: stretch;
            }
            .filter-tags {
                justify-content: center;
            }
            .filter-sort {
                justify-content: center;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .game-card-body {
                padding: 14px 16px 16px;
            }
            .game-card-body .game-title {
                font-size: 1rem;
            }
        }
        @media (max-width: 520px) {
            .games-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .featured-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .nav-panel {
                flex-direction: column;
                gap: 4px;
                padding: 6px;
                border-radius: var(--radius-md);
            }
            .nav-card-link {
                width: 100%;
                justify-content: center;
                padding: 10px 14px;
            }
            .nav-cta-btn {
                width: 100%;
                text-align: center;
                margin-left: 0;
                margin-top: 4px;
            }
            .category-banner {
                padding: 40px 0;
            }
            .category-banner h1 {
                font-size: 1.6rem;
            }
            .banner-stats {
                flex-direction: column;
                gap: 10px;
                align-items: center;
            }
            .section-header {
                flex-direction: column;
                align-items: flex-start;
            }
            .cta-section h2 {
                font-size: 1.5rem;
            }
            .cta-buttons {
                flex-direction: column;
                align-items: center;
            }
            .cta-btn-primary,
            .cta-btn-secondary {
                width: 100%;
                justify-content: center;
                text-align: center;
            }
        }