/* roulang page: index */
:root {
            --primary: #0f1b4a;
            --primary-soft: #1a2f6c;
            --primary-light: #2745a0;
            --accent: #c8922b;
            --accent-soft: #d4a745;
            --accent-light: #e8c97a;
            --accent-glow: #f5deb3;
            --bg: #f7f8fc;
            --bg-white: #ffffff;
            --bg-dark: #0a1230;
            --bg-card: #ffffff;
            --text: #1e293b;
            --text-heading: #0f172a;
            --text-body: #334155;
            --text-soft: #64748b;
            --text-muted: #94a3b8;
            --text-on-dark: #e2e8f0;
            --text-on-primary: #ffffff;
            --text-on-accent: #1a1a1a;
            --border: #e2e8f0;
            --border-light: #f1f5f9;
            --border-soft: #dde4ef;
            --radius-sm: 8px;
            --radius: 14px;
            --radius-lg: 22px;
            --radius-xl: 28px;
            --radius-full: 9999px;
            --shadow-xs: 0 1px 2px rgba(0,0,0,0.04);
            --shadow-sm: 0 2px 8px rgba(0,0,0,0.06);
            --shadow: 0 4px 18px rgba(0,0,0,0.08);
            --shadow-md: 0 8px 28px rgba(0,0,0,0.10);
            --shadow-lg: 0 14px 42px rgba(0,0,0,0.12);
            --shadow-xl: 0 20px 60px rgba(0,0,0,0.15);
            --shadow-glow: 0 0 24px rgba(200,146,43,0.25);
            --transition-fast: 0.18s ease;
            --transition: 0.28s ease;
            --transition-slow: 0.4s ease;
            --font-sans: 'Segoe UI','PingFang SC','Noto Sans SC','Microsoft YaHei','Helvetica Neue',system-ui,sans-serif;
            --font-heading: 'PingFang SC','Noto Sans SC','Microsoft YaHei','Segoe UI',system-ui,sans-serif;
            --max-width: 1240px;
            --nav-height: 64px;
            --section-gap: 80px;
            --section-gap-sm: 50px;
        }

        *,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
        html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
        body{
            font-family:var(--font-sans);
            font-size:16px;
            line-height:1.7;
            color:var(--text-body);
            background:var(--bg);
            -webkit-font-smoothing:antialiased;
            -moz-osx-font-smoothing:grayscale;
            overflow-x:hidden;
        }
        img{max-width:100%;height:auto;display:block}
        a{text-decoration:none;color:inherit;transition:color var(--transition-fast)}
        button,input,textarea{font:inherit;border:none;outline:none;background:none}
        button{cursor:pointer}
        ul,ol{list-style:none}
        h1,h2,h3,h4,h5,h6{font-family:var(--font-heading);color:var(--text-heading);line-height:1.3;font-weight:700}
        h1{font-size:clamp(2rem,4.5vw,3.2rem);letter-spacing:-0.02em}
        h2{font-size:clamp(1.6rem,3vw,2.3rem);letter-spacing:-0.01em}
        h3{font-size:clamp(1.2rem,2vw,1.55rem)}
        ::selection{background:var(--accent-soft);color:#1a1a1a}

        .container{width:100%;max-width:var(--max-width);margin:0 auto;padding:0 24px}
        @media(max-width:1024px){.container{padding:0 20px}}
        @media(max-width:768px){.container{padding:0 16px}}

        .section{padding:var(--section-gap) 0}
        .section-sm{padding:var(--section-gap-sm) 0}
        @media(max-width:768px){.section{padding:var(--section-gap-sm) 0}.section-sm{padding:36px 0}}

        .section-label{
            display:inline-flex;align-items:center;gap:8px;
            font-size:0.85rem;font-weight:600;color:var(--accent);
            text-transform:uppercase;letter-spacing:0.06em;
            margin-bottom:8px;
        }
        .section-label::before{
            content:'';display:block;width:24px;height:2px;
            background:var(--accent);border-radius:2px;
        }
        .section-title{
            font-size:clamp(1.5rem,2.8vw,2.2rem);
            font-weight:700;color:var(--text-heading);
            margin-bottom:12px;letter-spacing:-0.01em;
        }
        .section-desc{
            font-size:1.05rem;color:var(--text-soft);
            max-width:640px;line-height:1.75;
        }
        .section-header{margin-bottom:44px}
        .section-header.centered{text-align:center}
        .section-header.centered .section-desc{margin:0 auto}

        /* ========== NAVIGATION - 悬浮胶囊 ========== */
        .site-header{
            position:fixed;top:16px;left:50%;transform:translateX(-50%);
            z-index:1000;width:calc(100% - 40px);max-width:1100px;
        }
        .nav-capsule{
            display:flex;align-items:center;justify-content:space-between;
            background:rgba(15,27,74,0.88);
            backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px);
            border-radius:var(--radius-full);
            padding:10px 14px 10px 22px;
            border:1px solid rgba(255,255,255,0.14);
            box-shadow:0 8px 32px rgba(0,0,0,0.22),0 2px 8px rgba(0,0,0,0.10);
            transition:all var(--transition);
        }
        .nav-capsule.scrolled{
            background:rgba(15,27,74,0.95);
            box-shadow:0 12px 40px rgba(0,0,0,0.30),0 4px 12px rgba(0,0,0,0.14);
        }
        .nav-brand{
            display:flex;align-items:center;gap:9px;
            font-size:1.2rem;font-weight:700;color:#ffffff;
            letter-spacing:0.01em;white-space:nowrap;
            font-family:var(--font-heading);
        }
        .nav-brand-icon{
            width:34px;height:34px;border-radius:50%;
            background:linear-gradient(135deg,var(--accent-soft),var(--accent));
            display:flex;align-items:center;justify-content:center;
            font-size:1rem;color:#1a1a1a;font-weight:900;
        }
        .nav-links{display:flex;align-items:center;gap:6px}
        .nav-links a{
            display:inline-flex;align-items:center;gap:6px;
            padding:9px 18px;border-radius:var(--radius-full);
            font-size:0.93rem;font-weight:500;color:rgba(255,255,255,0.82);
            transition:all var(--transition-fast);white-space:nowrap;
            letter-spacing:0.01em;
        }
        .nav-links a:hover{color:#ffffff;background:rgba(255,255,255,0.10)}
        .nav-links a.active{
            color:#1a1a1a;background:var(--accent-soft);
            font-weight:600;box-shadow:0 4px 14px rgba(200,146,43,0.35);
        }
        .nav-links a .nav-icon{font-size:0.85rem;opacity:0.8}
        .nav-cta-btn{
            display:inline-flex;align-items:center;gap:6px;
            padding:10px 22px;border-radius:var(--radius-full);
            font-size:0.9rem;font-weight:600;color:#1a1a1a;
            background:linear-gradient(135deg,var(--accent-soft),var(--accent));
            transition:all var(--transition);white-space:nowrap;
            box-shadow:0 4px 16px rgba(200,146,43,0.30);
            letter-spacing:0.02em;
        }
        .nav-cta-btn:hover{
            transform:translateY(-2px);
            box-shadow:0 8px 24px rgba(200,146,43,0.45);
            background:linear-gradient(135deg,var(--accent-light),var(--accent-soft));
        }
        .nav-toggle{display:none;font-size:1.4rem;color:#ffffff;cursor:pointer;padding:6px}
        @media(max-width:860px){
            .site-header{top:10px;width:calc(100% - 24px)}
            .nav-capsule{padding:8px 12px 8px 16px}
            .nav-links{display:none;position:absolute;top:calc(100% + 12px);left:0;right:0;
                flex-direction:column;background:rgba(15,27,74,0.96);
                backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px);
                border-radius:var(--radius-lg);padding:12px 8px;gap:2px;
                border:1px solid rgba(255,255,255,0.12);
                box-shadow:0 12px 36px rgba(0,0,0,0.30);
            }
            .nav-links.open{display:flex}
            .nav-links a{padding:12px 16px;border-radius:var(--radius);width:100%}
            .nav-toggle{display:block}
            .nav-cta-btn{padding:8px 16px;font-size:0.82rem}
        }
        @media(max-width:520px){
            .nav-brand{font-size:1rem}
            .nav-brand-icon{width:28px;height:28px;font-size:0.85rem}
            .nav-cta-btn{padding:7px 13px;font-size:0.78rem}
        }

        /* ========== HERO ========== */
        .hero{
            position:relative;min-height:100vh;display:flex;align-items:center;
            overflow:hidden;padding-top:100px;padding-bottom:80px;
            background:var(--bg-dark);
            background-image:url('/assets/images/backpic/back-1.png');
            background-size:cover;background-position:center;background-repeat:no-repeat;
        }
        .hero::before{
            content:'';position:absolute;inset:0;
            background:linear-gradient(180deg,rgba(10,18,48,0.78) 0%,rgba(15,27,74,0.88) 45%,rgba(10,18,48,0.92) 100%);
            z-index:1;
        }
        .hero::after{
            content:'';position:absolute;bottom:0;left:0;right:0;height:120px;
            background:linear-gradient(to top,var(--bg) 0%,transparent 100%);z-index:2;
        }
        .hero .container{position:relative;z-index:3;text-align:center}
        .hero-badge{
            display:inline-flex;align-items:center;gap:7px;
            padding:7px 18px;border-radius:var(--radius-full);
            background:rgba(200,146,43,0.16);border:1px solid rgba(200,146,43,0.35);
            color:var(--accent-light);font-size:0.88rem;font-weight:600;
            margin-bottom:24px;letter-spacing:0.03em;
        }
        .hero-badge i{color:var(--accent-soft);font-size:0.75rem}
        .hero h1{
            font-size:clamp(2.2rem,5.5vw,3.8rem);
            color:#ffffff;font-weight:800;letter-spacing:-0.02em;
            line-height:1.15;margin-bottom:18px;max-width:800px;margin-left:auto;margin-right:auto;
        }
        .hero h1 .highlight{color:var(--accent-light);position:relative}
        .hero-desc{
            font-size:clamp(1rem,1.6vw,1.2rem);
            color:rgba(255,255,255,0.72);max-width:620px;
            margin:0 auto 36px;line-height:1.75;
        }
        .hero-actions{display:flex;align-items:center;justify-content:center;gap:16px;flex-wrap:wrap}
        .hero-btn-primary{
            display:inline-flex;align-items:center;gap:8px;
            padding:14px 32px;border-radius:var(--radius-full);
            font-size:1.05rem;font-weight:700;color:#1a1a1a;
            background:linear-gradient(135deg,var(--accent-soft),var(--accent));
            box-shadow:0 8px 28px rgba(200,146,43,0.40);
            transition:all var(--transition);letter-spacing:0.02em;
        }
        .hero-btn-primary:hover{
            transform:translateY(-3px);
            box-shadow:0 14px 38px rgba(200,146,43,0.55);
            background:linear-gradient(135deg,var(--accent-light),var(--accent-soft));
        }
        .hero-btn-outline{
            display:inline-flex;align-items:center;gap:8px;
            padding:14px 32px;border-radius:var(--radius-full);
            font-size:1.05rem;font-weight:600;color:#ffffff;
            border:2px solid rgba(255,255,255,0.40);
            transition:all var(--transition);letter-spacing:0.02em;
        }
        .hero-btn-outline:hover{
            border-color:#ffffff;background:rgba(255,255,255,0.08);
            transform:translateY(-3px);
        }
        .hero-stats{
            display:flex;align-items:center;justify-content:center;gap:40px;
            margin-top:50px;flex-wrap:wrap;
        }
        .hero-stat{text-align:center}
        .hero-stat-num{font-size:2.4rem;font-weight:800;color:var(--accent-light);line-height:1}
        .hero-stat-label{font-size:0.85rem;color:rgba(255,255,255,0.55);margin-top:4px}
        @media(max-width:768px){
            .hero{min-height:auto;padding-top:120px;padding-bottom:60px}
            .hero-stats{gap:24px}
            .hero-stat-num{font-size:1.8rem}
            .hero-btn-primary,.hero-btn-outline{padding:12px 24px;font-size:0.95rem}
        }

        /* ========== 板块通用 ========== */
        .bg-white-section{background:var(--bg-white)}
        .bg-dark-section{background:var(--bg-dark);color:var(--text-on-dark)}
        .bg-dark-section .section-title{color:#ffffff}
        .bg-dark-section .section-desc{color:rgba(255,255,255,0.65)}
        .bg-dark-section .section-label{color:var(--accent-light)}

        /* ========== 核心说明板块 ========== */
        .features-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:28px}
        .feature-card{
            background:var(--bg-card);border-radius:var(--radius-lg);
            padding:32px 28px;border:1px solid var(--border-light);
            box-shadow:var(--shadow-sm);transition:all var(--transition);
            position:relative;overflow:hidden;
        }
        .feature-card::before{
            content:'';position:absolute;top:0;left:0;width:4px;height:40px;
            background:var(--accent-soft);border-radius:0 0 6px 0;
            transition:all var(--transition);
        }
        .feature-card:hover{
            transform:translateY(-6px);box-shadow:var(--shadow-md);
            border-color:var(--border-soft);
        }
        .feature-card:hover::before{height:60px}
        .feature-icon{
            width:52px;height:52px;border-radius:var(--radius);
            background:linear-gradient(135deg,rgba(200,146,43,0.12),rgba(200,146,43,0.06));
            display:flex;align-items:center;justify-content:center;
            font-size:1.5rem;color:var(--accent);margin-bottom:18px;
        }
        .feature-card h3{font-size:1.15rem;margin-bottom:8px;color:var(--text-heading)}
        .feature-card p{font-size:0.93rem;color:var(--text-soft);line-height:1.7}
        @media(max-width:1024px){.features-grid{grid-template-columns:repeat(2,1fr)}}
        @media(max-width:640px){.features-grid{grid-template-columns:1fr}}

        /* ========== 分类入口 ========== */
        .category-entry-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:24px}
        .category-card{
            position:relative;border-radius:var(--radius-lg);overflow:hidden;
            background:var(--bg-card);box-shadow:var(--shadow-sm);
            transition:all var(--transition);border:1px solid var(--border-light);
            display:flex;flex-direction:column;
        }
        .category-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-md)}
        .category-card-img{
            width:100%;height:200px;object-fit:cover;
            transition:transform var(--transition-slow);
        }
        .category-card:hover .category-card-img{transform:scale(1.05)}
        .category-card-body{padding:20px 22px 22px;flex:1;display:flex;flex-direction:column}
        .category-card-tag{
            display:inline-block;padding:4px 12px;border-radius:var(--radius-full);
            font-size:0.78rem;font-weight:600;background:rgba(200,146,43,0.13);
            color:var(--accent);margin-bottom:10px;align-self:flex-start;
        }
        .category-card h3{font-size:1.1rem;margin-bottom:6px}
        .category-card p{font-size:0.9rem;color:var(--text-soft);line-height:1.65;flex:1}
        .category-card-link{
            display:inline-flex;align-items:center;gap:5px;
            font-weight:600;color:var(--primary-light);font-size:0.9rem;
            margin-top:12px;transition:gap var(--transition-fast);
        }
        .category-card-link:hover{gap:9px;color:var(--accent)}
        @media(max-width:640px){.category-card-img{height:170px}}

        /* ========== 最新信息列表 ========== */
        .posts-list{display:flex;flex-direction:column;gap:16px}
        .post-item{
            display:flex;align-items:flex-start;gap:20px;
            background:var(--bg-card);border-radius:var(--radius);
            padding:20px 22px;border:1px solid var(--border-light);
            box-shadow:var(--shadow-xs);transition:all var(--transition-fast);
        }
        .post-item:hover{box-shadow:var(--shadow-sm);border-color:var(--border-soft);transform:translateX(3px)}
        .post-item-thumb{
            width:90px;height:70px;border-radius:var(--radius-sm);
            object-fit:cover;flex-shrink:0;
        }
        .post-item-content{flex:1;min-width:0}
        .post-item-tag{
            font-size:0.75rem;font-weight:600;color:var(--accent);
            text-transform:uppercase;letter-spacing:0.04em;margin-bottom:4px;
        }
        .post-item h4{
            font-size:1rem;font-weight:600;color:var(--text-heading);
            margin-bottom:4px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;
        }
        .post-item p{
            font-size:0.85rem;color:var(--text-soft);line-height:1.5;
            display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
        }
        .post-item-date{font-size:0.78rem;color:var(--text-muted);margin-top:6px}
        .post-item-link{color:var(--primary-light);font-weight:600;font-size:0.88rem;white-space:nowrap}
        .post-item-link:hover{color:var(--accent)}
        .posts-empty{
            text-align:center;padding:40px 20px;color:var(--text-soft);
            font-size:0.95rem;background:var(--bg-card);border-radius:var(--radius);
            border:1px dashed var(--border);
        }
        @media(max-width:640px){
            .post-item{flex-direction:column;gap:12px}
            .post-item-thumb{width:100%;height:160px}
        }

        /* ========== 数据统计 ========== */
        .stats-row{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
        .stat-block{
            text-align:center;padding:28px 20px;border-radius:var(--radius-lg);
            background:var(--bg-card);border:1px solid var(--border-light);
            box-shadow:var(--shadow-sm);transition:all var(--transition);
        }
        .stat-block:hover{transform:translateY(-4px);box-shadow:var(--shadow-md)}
        .stat-num{font-size:2.6rem;font-weight:800;color:var(--primary);line-height:1}
        .stat-num .plus{color:var(--accent)}
        .stat-label{font-size:0.9rem;color:var(--text-soft);margin-top:8px}
        @media(max-width:1024px){.stats-row{grid-template-columns:repeat(2,1fr)}}
        @media(max-width:520px){.stats-row{grid-template-columns:1fr 1fr;gap:14px}.stat-num{font-size:2rem}}

        /* ========== 赛事亮点 ========== */
        .highlights-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:28px}
        .highlight-card{
            display:flex;align-items:center;gap:20px;
            background:var(--bg-card);border-radius:var(--radius-lg);
            padding:24px;border:1px solid var(--border-light);
            box-shadow:var(--shadow-sm);transition:all var(--transition);
        }
        .highlight-card:hover{box-shadow:var(--shadow);transform:translateY(-3px)}
        .highlight-icon-big{
            width:64px;height:64px;border-radius:50%;flex-shrink:0;
            display:flex;align-items:center;justify-content:center;
            font-size:1.6rem;color:#ffffff;
            background:linear-gradient(135deg,var(--primary-soft),var(--primary-light));
        }
        .highlight-card:nth-child(2) .highlight-icon-big{background:linear-gradient(135deg,#b8860b,#d4a745)}
        .highlight-card:nth-child(3) .highlight-icon-big{background:linear-gradient(135deg,#1a5276,#2980b9)}
        .highlight-card:nth-child(4) .highlight-icon-big{background:linear-gradient(135deg,#6c3483,#a569bd)}
        .highlight-card h4{font-size:1.05rem;margin-bottom:4px}
        .highlight-card p{font-size:0.88rem;color:var(--text-soft);line-height:1.6}
        @media(max-width:768px){.highlights-grid{grid-template-columns:1fr}}

        /* ========== 流程板块 ========== */
        .steps-row{display:flex;align-items:flex-start;gap:0;position:relative}
        .steps-row::before{
            content:'';position:absolute;top:40px;left:60px;right:60px;
            height:2px;background:linear-gradient(90deg,var(--accent-soft),var(--border),var(--accent-soft));
            z-index:0;
        }
        .step-item{flex:1;text-align:center;position:relative;z-index:1;padding:0 16px}
        .step-circle{
            width:60px;height:60px;border-radius:50%;margin:0 auto 16px;
            display:flex;align-items:center;justify-content:center;
            font-size:1.2rem;font-weight:700;color:#ffffff;
            background:linear-gradient(135deg,var(--primary-soft),var(--primary-light));
            border:3px solid var(--bg);box-shadow:var(--shadow);
            position:relative;z-index:2;
        }
        .step-item:nth-child(2) .step-circle{background:linear-gradient(135deg,#b8860b,#d4a745)}
        .step-item:nth-child(3) .step-circle{background:linear-gradient(135deg,#1a5276,#2980b9)}
        .step-item h4{font-size:1rem;margin-bottom:4px}
        .step-item p{font-size:0.85rem;color:var(--text-soft);line-height:1.55}
        @media(max-width:768px){
            .steps-row{flex-direction:column;gap:28px}
            .steps-row::before{display:none}
            .step-item{text-align:left;display:flex;align-items:flex-start;gap:16px}
            .step-circle{flex-shrink:0;margin:0}
        }

        /* ========== FAQ ========== */
        .faq-list{display:flex;flex-direction:column;gap:12px;max-width:800px;margin:0 auto}
        .faq-item{
            background:var(--bg-card);border-radius:var(--radius);
            border:1px solid var(--border-light);overflow:hidden;
            transition:all var(--transition);
        }
        .faq-item:hover{border-color:var(--border-soft)}
        .faq-question{
            width:100%;display:flex;align-items:center;justify-content:space-between;
            padding:18px 22px;font-weight:600;font-size:1rem;
            color:var(--text-heading);text-align:left;
            transition:color var(--transition-fast);
        }
        .faq-question:hover{color:var(--primary-light)}
        .faq-question i{font-size:0.85rem;color:var(--accent);transition:transform var(--transition)}
        .faq-answer{padding:0 22px 18px;font-size:0.92rem;color:var(--text-soft);line-height:1.75;display:none}
        .faq-item.open .faq-answer{display:block}
        .faq-item.open .faq-question i{transform:rotate(180deg)}
        .faq-item.open{border-color:var(--accent-soft);box-shadow:var(--shadow-sm)}

        /* ========== CTA ========== */
        .cta-section{
            background:linear-gradient(160deg,var(--primary) 0%,var(--primary-soft) 40%,#1a2f6c 100%);
            border-radius:var(--radius-xl);padding:56px 44px;text-align:center;
            position:relative;overflow:hidden;margin:0 24px;
        }
        .cta-section::before{
            content:'';position:absolute;top:-60px;right:-60px;
            width:220px;height:220px;border-radius:50%;
            background:rgba(200,146,43,0.10);pointer-events:none;
        }
        .cta-section::after{
            content:'';position:absolute;bottom:-40px;left:-40px;
            width:160px;height:160px;border-radius:50%;
            background:rgba(200,146,43,0.07);pointer-events:none;
        }
        .cta-section .container{position:relative;z-index:1}
        .cta-section h2{color:#ffffff;margin-bottom:10px}
        .cta-section p{color:rgba(255,255,255,0.68);margin-bottom:28px;max-width:500px;margin-left:auto;margin-right:auto}
        .cta-btn-lg{
            display:inline-flex;align-items:center;gap:8px;
            padding:15px 36px;border-radius:var(--radius-full);
            font-size:1.1rem;font-weight:700;color:#1a1a1a;
            background:linear-gradient(135deg,var(--accent-soft),var(--accent));
            box-shadow:0 8px 28px rgba(200,146,43,0.45);
            transition:all var(--transition);letter-spacing:0.02em;
        }
        .cta-btn-lg:hover{
            transform:translateY(-3px);
            box-shadow:0 16px 42px rgba(200,146,43,0.60);
        }
        @media(max-width:768px){.cta-section{padding:40px 20px;margin:0 12px;border-radius:var(--radius-lg)}}

        /* ========== FOOTER ========== */
        .site-footer{
            background:var(--bg-dark);color:var(--text-on-dark);
            padding:50px 0 30px;margin-top:var(--section-gap);
        }
        .footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:36px;margin-bottom:36px}
        .footer-brand-name{font-size:1.3rem;font-weight:700;color:#ffffff;margin-bottom:10px;font-family:var(--font-heading)}
        .footer-brand-desc{font-size:0.88rem;color:rgba(255,255,255,0.55);line-height:1.7}
        .footer-col h5{font-size:0.95rem;font-weight:600;color:#ffffff;margin-bottom:16px}
        .footer-col ul{display:flex;flex-direction:column;gap:8px}
        .footer-col a{font-size:0.88rem;color:rgba(255,255,255,0.55);transition:color var(--transition-fast)}
        .footer-col a:hover{color:var(--accent-light)}
        .footer-bottom{
            border-top:1px solid rgba(255,255,255,0.10);
            padding-top:22px;display:flex;align-items:center;justify-content:space-between;
            flex-wrap:wrap;gap:16px;font-size:0.82rem;color:rgba(255,255,255,0.40);
        }
        .footer-bottom a{color:rgba(255,255,255,0.50)}
        .footer-bottom a:hover{color:var(--accent-light)}
        @media(max-width:768px){.footer-grid{grid-template-columns:1fr 1fr;gap:28px}}
        @media(max-width:480px){.footer-grid{grid-template-columns:1fr}}

        /* ========== 工具类 ========== */
        .text-center{text-align:center}
        .mt-0{margin-top:0}.mt-2{margin-top:8px}.mt-4{margin-top:16px}.mt-6{margin-top:24px}.mt-8{margin-top:32px}
        .mb-0{margin-bottom:0}.mb-2{margin-bottom:8px}.mb-4{margin-bottom:16px}

        /* ========== 分隔装饰 ========== */
        .divider-dot{
            display:flex;align-items:center;justify-content:center;gap:10px;margin:20px 0;
        }
        .divider-dot span{
            width:6px;height:6px;border-radius:50%;background:var(--accent-soft);
            opacity:0.5;
        }

/* roulang page: article */
:root {
            --primary: #1a3c8f;
            --primary-hover: #152f70;
            --accent: #e6a817;
            --accent-hover: #cc9000;
            --bg: #f4f7fc;
            --surface: #ffffff;
            --text: #1a1f2e;
            --text-light: #5a6070;
            --text-lighter: #8b919e;
            --border: #e2e8f0;
            --radius-sm: 10px;
            --radius: 16px;
            --radius-lg: 24px;
            --shadow-sm: 0 4px 12px rgba(0,0,0,0.04);
            --shadow: 0 8px 24px rgba(0,0,0,0.06);
            --shadow-lg: 0 16px 40px rgba(0,0,0,0.08);
            --transition: 0.2s ease;
            --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
            --max-width: 1280px;
        }

        *, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
        html { scroll-behavior: smooth; }
        body {
            font-family: var(--font-sans);
            background: var(--bg);
            color: var(--text);
            line-height: 1.6;
            -webkit-font-smoothing: antialiased;
        }
        img { max-width: 100%; height: auto; display: block; }
        a { color: var(--primary); text-decoration: none; transition: var(--transition); }
        a:hover { color: var(--primary-hover); }
        ul { list-style: none; }
        .container { width: 100%; max-width: var(--max-width); margin: 0 auto; padding: 0 24px; }

        /* Header / Navigation - Capsule */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: rgba(255,255,255,0.85);
            backdrop-filter: blur(12px);
            box-shadow: 0 2px 12px rgba(0,0,0,0.04);
            padding: 10px 0;
        }
        .nav-capsule {
            display: flex;
            align-items: center;
            justify-content: space-between;
            background: var(--surface);
            border-radius: 50px;
            padding: 8px 24px;
            box-shadow: var(--shadow-sm);
            max-width: 1100px;
            margin: 0 auto;
        }
        .nav-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 700;
            font-size: 1.35rem;
            color: var(--primary);
            white-space: nowrap;
        }
        .nav-brand-icon {
            background: var(--accent);
            color: #fff;
            width: 36px;
            height: 36px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1rem;
        }
        .nav-links {
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .nav-links a {
            display: flex;
            align-items: center;
            gap: 6px;
            padding: 10px 18px;
            border-radius: 30px;
            font-weight: 500;
            color: var(--text-light);
            background: transparent;
            transition: all var(--transition);
        }
        .nav-links a:hover,
        .nav-links a.active {
            background: var(--primary);
            color: #fff;
        }
        .nav-links a.active .nav-icon { color: var(--accent); }
        .nav-icon { font-size: 0.9rem; }
        .nav-cta-btn {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: var(--accent);
            color: #fff;
            padding: 10px 24px;
            border-radius: 30px;
            font-weight: 600;
            font-size: 0.95rem;
            white-space: nowrap;
            transition: var(--transition);
        }
        .nav-cta-btn:hover { background: var(--accent-hover); color: #fff; }
        .nav-toggle {
            display: none;
            background: none;
            border: none;
            font-size: 1.5rem;
            color: var(--text);
            cursor: pointer;
        }

        /* Breadcrumbs */
        .breadcrumb-wrap {
            background: var(--surface);
            padding: 12px 0;
            border-bottom: 1px solid var(--border);
        }
        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 6px;
            font-size: 0.9rem;
            color: var(--text-lighter);
        }
        .breadcrumb a { color: var(--text-light); }
        .breadcrumb a:hover { color: var(--primary); }
        .breadcrumb i { font-size: 0.7rem; }

        /* Main layout */
        .page-main { padding: 50px 0 80px; }
        .article-layout { display: grid; grid-template-columns: 1fr 320px; gap: 40px; align-items: start; }

        /* Article content */
        .article-card {
            background: var(--surface);
            border-radius: var(--radius);
            padding: 48px 40px;
            box-shadow: var(--shadow);
        }
        .article-category-tag {
            display: inline-block;
            background: #eef2ff;
            color: var(--primary);
            font-size: 0.8rem;
            font-weight: 600;
            padding: 4px 12px;
            border-radius: 20px;
            margin-bottom: 16px;
        }
        .article-title {
            font-size: 2.1rem;
            font-weight: 700;
            line-height: 1.3;
            margin-bottom: 12px;
            color: var(--text);
        }
        .article-meta {
            display: flex;
            align-items: center;
            gap: 16px;
            font-size: 0.88rem;
            color: var(--text-lighter);
            margin-bottom: 32px;
            flex-wrap: wrap;
        }
        .article-feature-img {
            width: 100%;
            border-radius: var(--radius-sm);
            margin-bottom: 32px;
            box-shadow: var(--shadow-sm);
        }
        .article-body {
            font-size: 1.05rem;
            line-height: 1.8;
            color: var(--text);
        }
        .article-body p { margin-bottom: 1.2rem; }
        .article-body h2 {
            font-size: 1.5rem;
            margin: 1.8rem 0 0.8rem;
            color: var(--primary);
        }
        .article-body h3 { font-size: 1.25rem; margin: 1.4rem 0 0.6rem; }
        .article-body img {
            border-radius: var(--radius-sm);
            margin: 1.2rem 0;
        }
        .article-footer-actions {
            margin-top: 40px;
            display: flex;
            justify-content: center;
        }
        .back-home-btn {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: var(--primary);
            color: #fff;
            padding: 14px 32px;
            border-radius: 50px;
            font-weight: 600;
            transition: var(--transition);
        }
        .back-home-btn:hover { background: var(--primary-hover); color: #fff; }

        /* Sidebar */
        .sidebar {
            display: flex;
            flex-direction: column;
            gap: 24px;
        }
        .sidebar-card {
            background: var(--surface);
            border-radius: var(--radius);
            padding: 24px;
            box-shadow: var(--shadow-sm);
        }
        .sidebar-title {
            font-size: 1.1rem;
            font-weight: 700;
            margin-bottom: 16px;
            padding-bottom: 10px;
            border-bottom: 2px solid var(--accent);
            color: var(--text);
        }
        .sidebar-news-item {
            display: flex;
            gap: 12px;
            padding: 10px 0;
            border-bottom: 1px solid var(--border);
        }
        .sidebar-news-item:last-child { border-bottom: none; }
        .sidebar-news-thumb {
            width: 70px;
            height: 50px;
            border-radius: 8px;
            object-fit: cover;
            flex-shrink: 0;
        }
        .sidebar-news-text {
            flex: 1;
            display: flex;
            flex-direction: column;
            justify-content: center;
        }
        .sidebar-news-text a {
            font-weight: 500;
            font-size: 0.88rem;
            line-height: 1.3;
            color: var(--text);
        }
        .sidebar-news-text a:hover { color: var(--primary); }
        .sidebar-news-date {
            font-size: 0.75rem;
            color: var(--text-lighter);
            margin-top: 4px;
        }

        /* Footer */
        .site-footer {
            background: #0f1a2f;
            color: #fff;
            padding: 60px 0 30px;
            margin-top: 60px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1.5fr;
            gap: 40px;
            margin-bottom: 40px;
        }
        .footer-brand-name {
            font-size: 1.4rem;
            font-weight: 700;
            margin-bottom: 12px;
            color: #fff;
        }
        .footer-brand-desc {
            font-size: 0.9rem;
            color: rgba(255,255,255,0.55);
            line-height: 1.6;
        }
        .footer-col h5 {
            font-size: 1rem;
            font-weight: 600;
            margin-bottom: 16px;
            color: #fff;
        }
        .footer-col ul li { margin-bottom: 10px; }
        .footer-col ul li a {
            color: rgba(255,255,255,0.6);
            font-size: 0.9rem;
        }
        .footer-col ul li a:hover { color: var(--accent); }
        .footer-bottom {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding-top: 24px;
            border-top: 1px solid rgba(255,255,255,0.08);
            font-size: 0.85rem;
            color: rgba(255,255,255,0.4);
            flex-wrap: wrap;
            gap: 10px;
        }

        /* Responsive */
        @media (max-width: 1024px) {
            .article-layout { grid-template-columns: 1fr; }
            .sidebar { display: grid; grid-template-columns: repeat(2,1fr); }
        }
        @media (max-width: 768px) {
            .nav-capsule { padding: 8px 16px; }
            .nav-links { display: none; position: absolute; top: 70px; left: 24px; right: 24px; background: var(--surface); border-radius: var(--radius); box-shadow: var(--shadow-lg); flex-direction: column; padding: 16px; }
            .nav-links.show { display: flex; }
            .nav-cta-btn { display: none; }
            .nav-toggle { display: block; }
            .article-card { padding: 32px 20px; }
            .article-title { font-size: 1.6rem; }
            .footer-grid { grid-template-columns: 1fr 1fr; }
            .sidebar { grid-template-columns: 1fr; }
        }
        @media (max-width: 520px) {
            .container { padding: 0 16px; }
            .footer-grid { grid-template-columns: 1fr; }
        }

/* roulang page: category1 */
/* ========== 设计变量 ========== */
        :root {
            --color-primary: #1a1a2e;
            --color-primary-light: #222244;
            --color-accent: #e8b830;
            --color-accent-light: #f5d060;
            --color-accent-glow: rgba(232,184,48,0.25);
            --color-highlight: #3b82f6;
            --color-highlight-light: #60a5fa;
            --color-bg: #0c0c1d;
            --color-bg-alt: #12122a;
            --color-bg-card: rgba(20,20,48,0.85);
            --color-bg-card-hover: rgba(28,28,60,0.92);
            --color-text: #e8e8f0;
            --color-text-strong: #ffffff;
            --color-text-muted: rgba(200,200,220,0.6);
            --color-text-dim: rgba(180,180,200,0.45);
            --color-border: rgba(255,255,255,0.08);
            --color-border-light: rgba(255,255,255,0.14);
            --radius-sm: 8px;
            --radius-md: 14px;
            --radius-lg: 20px;
            --radius-xl: 28px;
            --radius-full: 999px;
            --shadow-sm: 0 2px 8px rgba(0,0,0,0.3);
            --shadow-md: 0 6px 24px rgba(0,0,0,0.4);
            --shadow-lg: 0 14px 48px rgba(0,0,0,0.55);
            --shadow-glow: 0 0 40px rgba(232,184,48,0.12);
            --shadow-card: 0 4px 20px rgba(0,0,0,0.35);
            --transition-fast: 0.18s ease;
            --transition-normal: 0.28s ease;
            --transition-slow: 0.4s cubic-bezier(0.4,0,0.2,1);
            --font-sans: 'Segoe UI','PingFang SC','Microsoft YaHei','Helvetica Neue',sans-serif;
            --font-mono: 'SF Mono','Cascadia Code','Consolas',monospace;
            --max-width: 1260px;
            --nav-height: 68px;
            --spacing-xs: 6px;
            --spacing-sm: 12px;
            --spacing-md: 20px;
            --spacing-lg: 32px;
            --spacing-xl: 48px;
            --spacing-2xl: 64px;
            --spacing-3xl: 80px;
        }

        /* ========== 基础 Reset ========== */
        *,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
        html{scroll-behavior:smooth;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}
        body{
            font-family:var(--font-sans);
            font-size:16px;
            line-height:1.65;
            color:var(--color-text);
            background:var(--color-bg);
            min-height:100vh;
            overflow-x:hidden;
        }
        img{max-width:100%;height:auto;display:block}
        a{text-decoration:none;color:inherit;transition:color var(--transition-fast)}
        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(--color-text-strong)}
        h1{font-size:clamp(2rem,4vw,3rem)}
        h2{font-size:clamp(1.6rem,3vw,2.2rem)}
        h3{font-size:clamp(1.15rem,2vw,1.45rem)}
        h4{font-size:1.1rem}
        strong{color:var(--color-text-strong)}

        /* ========== 容器 ========== */
        .container{
            width:100%;
            max-width:var(--max-width);
            margin:0 auto;
            padding-left:20px;
            padding-right:20px;
        }
        @media(max-width:768px){
            .container{padding-left:16px;padding-right:16px}
        }

        /* ========== 头部导航 ========== */
        .site-header{
            position:sticky;
            top:0;
            z-index:1000;
            padding:10px 0;
            background:rgba(12,12,29,0.82);
            backdrop-filter:blur(18px);
            -webkit-backdrop-filter:blur(18px);
            border-bottom:1px solid var(--color-border);
            transition:background var(--transition-normal);
        }
        .nav-capsule{
            display:flex;
            align-items:center;
            gap:var(--spacing-md);
            max-width:var(--max-width);
            margin:0 auto;
            padding:6px 18px;
            background:rgba(22,22,50,0.7);
            border-radius:var(--radius-full);
            border:1px solid var(--color-border);
            backdrop-filter:blur(10px);
            -webkit-backdrop-filter:blur(10px);
        }
        .nav-brand{
            display:flex;
            align-items:center;
            gap:9px;
            font-weight:800;
            font-size:1.18rem;
            color:var(--color-text-strong);
            white-space:nowrap;
            transition:color var(--transition-fast);
            flex-shrink:0;
        }
        .nav-brand:hover{color:var(--color-accent)}
        .nav-brand-icon{
            display:flex;
            align-items:center;
            justify-content:center;
            width:38px;
            height:38px;
            border-radius:50%;
            background:linear-gradient(135deg,var(--color-accent),#c89420);
            color:#1a1a2e;
            font-size:1rem;
            flex-shrink:0;
        }
        .nav-links{
            display:flex;
            align-items:center;
            gap:6px;
            flex:1;
            justify-content:center;
        }
        .nav-links a{
            display:inline-flex;
            align-items:center;
            gap:6px;
            padding:9px 18px;
            border-radius:var(--radius-full);
            font-weight:600;
            font-size:0.94rem;
            color:var(--color-text-muted);
            transition:all var(--transition-fast);
            white-space:nowrap;
        }
        .nav-links a:hover{
            color:var(--color-text-strong);
            background:rgba(255,255,255,0.06);
        }
        .nav-links a.active{
            color:var(--color-text-strong);
            background:rgba(232,184,48,0.14);
            box-shadow:0 0 18px var(--color-accent-glow);
        }
        .nav-icon{font-size:0.85rem;opacity:0.75}
        .nav-links a.active .nav-icon{opacity:1;color:var(--color-accent)}
        .nav-cta-btn{
            display:inline-flex;
            align-items:center;
            gap:7px;
            padding:10px 22px;
            border-radius:var(--radius-full);
            background:linear-gradient(135deg,var(--color-accent),#c89420);
            color:#1a1a2e;
            font-weight:700;
            font-size:0.92rem;
            white-space:nowrap;
            flex-shrink:0;
            transition:all var(--transition-normal);
            box-shadow:0 4px 18px rgba(232,184,48,0.3);
        }
        .nav-cta-btn:hover{
            transform:translateY(-2px);
            box-shadow:0 8px 28px rgba(232,184,48,0.45);
            color:#0c0c1d;
        }
        .nav-cta-btn i{font-size:0.8rem}
        .nav-toggle{
            display:none;
            background:none;
            border:none;
            color:var(--color-text-strong);
            font-size:1.4rem;
            cursor:pointer;
            padding:6px;
            border-radius:var(--radius-sm);
            transition:background var(--transition-fast);
        }
        .nav-toggle:hover{background:rgba(255,255,255,0.08)}
        @media(max-width:860px){
            .nav-links{display:none;position:absolute;top:calc(var(--nav-height) + 8px);left:16px;right:16px;flex-direction:column;background:rgba(18,18,42,0.96);border-radius:var(--radius-lg);border:1px solid var(--color-border);padding:12px;gap:2px;backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);box-shadow:var(--shadow-lg)}
            .nav-links.open{display:flex}
            .nav-links a{padding:13px 18px;border-radius:var(--radius-md);width:100%}
            .nav-toggle{display:block}
            .nav-cta-btn{padding:8px 16px;font-size:0.84rem}
            .nav-capsule{padding:6px 12px}
        }
        @media(max-width:520px){
            .nav-brand span{display:none}
            .nav-brand-icon{width:34px;height:34px;font-size:0.9rem}
            .nav-cta-btn{padding:7px 13px;font-size:0.78rem;gap:4px}
            .nav-cta-btn i{font-size:0.7rem}
        }

        /* ========== 分类 Banner ========== */
        .category-banner{
            position:relative;
            padding:var(--spacing-3xl) 0 var(--spacing-2xl);
            background:linear-gradient(180deg,rgba(10,10,30,0.7) 0%,rgba(12,12,29,0.9) 60%,var(--color-bg) 100%);
            overflow:hidden;
            text-align:center;
        }
        .category-banner::before{
            content:'';
            position:absolute;
            inset:0;
            background-image:url('/assets/images/backpic/back-1.png');
            background-size:cover;
            background-position:center 30%;
            opacity:0.25;
            z-index:0;
        }
        .category-banner::after{
            content:'';
            position:absolute;
            inset:0;
            background:radial-gradient(ellipse at 50% 40%,rgba(232,184,48,0.08) 0%,transparent 70%);
            z-index:0;
        }
        .category-banner-content{
            position:relative;
            z-index:1;
        }
        .breadcrumb{
            display:flex;
            align-items:center;
            justify-content:center;
            gap:8px;
            font-size:0.88rem;
            color:var(--color-text-dim);
            margin-bottom:var(--spacing-md);
            flex-wrap:wrap;
        }
        .breadcrumb a{color:var(--color-text-muted);transition:color var(--transition-fast)}
        .breadcrumb a:hover{color:var(--color-accent)}
        .breadcrumb .sep{opacity:0.4}
        .breadcrumb .current{color:var(--color-accent);font-weight:600}
        .category-banner h1{
            font-size:clamp(2rem,5vw,3.2rem);
            margin-bottom:var(--spacing-sm);
            background:linear-gradient(180deg,#ffffff 30%,#d0c8b8 100%);
            -webkit-background-clip:text;
            -webkit-text-fill-color:transparent;
            background-clip:text;
        }
        .category-banner .subtitle{
            font-size:1.1rem;
            color:var(--color-text-muted);
            max-width:600px;
            margin:0 auto var(--spacing-md);
            line-height:1.6;
        }
        .category-stats-row{
            display:flex;
            gap:var(--spacing-xl);
            justify-content:center;
            flex-wrap:wrap;
            margin-top:var(--spacing-md);
        }
        .cat-stat-item{
            text-align:center;
            min-width:90px;
        }
        .cat-stat-num{
            font-size:2rem;
            font-weight:800;
            color:var(--color-accent);
            font-family:var(--font-mono);
            letter-spacing:-0.02em;
        }
        .cat-stat-label{
            font-size:0.82rem;
            color:var(--color-text-dim);
            margin-top:2px;
        }

        /* ========== 板块通用 ========== */
        .section{
            padding:var(--spacing-2xl) 0;
        }
        .section-label{
            display:inline-block;
            font-size:0.78rem;
            font-weight:700;
            letter-spacing:0.06em;
            text-transform:uppercase;
            color:var(--color-accent);
            margin-bottom:var(--spacing-xs);
        }
        .section-title{
            margin-bottom:var(--spacing-sm);
            color:var(--color-text-strong);
        }
        .section-desc{
            color:var(--color-text-muted);
            max-width:640px;
            margin-bottom:var(--spacing-lg);
            line-height:1.7;
            font-size:1rem;
        }
        .text-center{text-align:center}
        .mx-auto{margin-left:auto;margin-right:auto}

        /* ========== 筛选标签栏 ========== */
        .filter-bar{
            display:flex;
            gap:8px;
            flex-wrap:wrap;
            justify-content:center;
            margin-bottom:var(--spacing-xl);
        }
        .filter-tag{
            display:inline-flex;
            align-items:center;
            gap:5px;
            padding:8px 18px;
            border-radius:var(--radius-full);
            border:1px solid var(--color-border-light);
            background:var(--color-bg-alt);
            color:var(--color-text-muted);
            font-size:0.9rem;
            font-weight:500;
            cursor:pointer;
            transition:all var(--transition-fast);
            white-space:nowrap;
        }
        .filter-tag:hover{
            border-color:var(--color-accent);
            color:var(--color-text-strong);
            background:rgba(232,184,48,0.06);
        }
        .filter-tag.active-tag{
            background:rgba(232,184,48,0.15);
            border-color:var(--color-accent);
            color:var(--color-accent);
            font-weight:700;
            box-shadow:0 0 16px var(--color-accent-glow);
        }
        .filter-tag i{font-size:0.8rem}

        /* ========== 文章网格 ========== */
        .articles-grid{
            display:grid;
            grid-template-columns:repeat(3,1fr);
            gap:var(--spacing-lg);
        }
        @media(max-width:1024px){
            .articles-grid{grid-template-columns:repeat(2,1fr)}
        }
        @media(max-width:600px){
            .articles-grid{grid-template-columns:1fr}
        }
        .article-card{
            background:var(--color-bg-card);
            border-radius:var(--radius-lg);
            border:1px solid var(--color-border);
            overflow:hidden;
            transition:all var(--transition-normal);
            display:flex;
            flex-direction:column;
        }
        .article-card:hover{
            transform:translateY(-4px);
            box-shadow:var(--shadow-lg),var(--shadow-glow);
            border-color:var(--color-border-light);
            background:var(--color-bg-card-hover);
        }
        .article-card-img-wrap{
            position:relative;
            aspect-ratio:16/10;
            overflow:hidden;
            background:var(--color-bg-alt);
        }
        .article-card-img-wrap img{
            width:100%;
            height:100%;
            object-fit:cover;
            transition:transform var(--transition-slow);
        }
        .article-card:hover .article-card-img-wrap img{
            transform:scale(1.06);
        }
        .article-card-badge{
            position:absolute;
            top:12px;
            left:12px;
            padding:5px 12px;
            border-radius:var(--radius-full);
            background:rgba(232,184,48,0.9);
            color:#1a1a2e;
            font-size:0.76rem;
            font-weight:700;
            letter-spacing:0.03em;
            z-index:2;
        }
        .article-card-body{
            padding:var(--spacing-md);
            flex:1;
            display:flex;
            flex-direction:column;
        }
        .article-card-meta{
            font-size:0.8rem;
            color:var(--color-text-dim);
            margin-bottom:8px;
            display:flex;
            gap:12px;
            align-items:center;
        }
        .article-card-meta i{font-size:0.7rem;color:var(--color-accent)}
        .article-card-title{
            font-size:1.08rem;
            font-weight:700;
            color:var(--color-text-strong);
            margin-bottom:8px;
            line-height:1.4;
            display:-webkit-box;
            -webkit-line-clamp:2;
            -webkit-box-orient:vertical;
            overflow:hidden;
            transition:color var(--transition-fast);
        }
        .article-card:hover .article-card-title{color:var(--color-accent)}
        .article-card-excerpt{
            font-size:0.88rem;
            color:var(--color-text-muted);
            line-height:1.55;
            flex:1;
            display:-webkit-box;
            -webkit-line-clamp:2;
            -webkit-box-orient:vertical;
            overflow:hidden;
        }
        .article-card-footer{
            display:flex;
            align-items:center;
            justify-content:space-between;
            margin-top:var(--spacing-sm);
            padding-top:var(--spacing-sm);
            border-top:1px solid var(--color-border);
        }
        .article-card-read{
            font-size:0.84rem;
            font-weight:600;
            color:var(--color-accent);
            display:inline-flex;
            align-items:center;
            gap:4px;
            transition:gap var(--transition-fast);
        }
        .article-card-read:hover{gap:8px}
        .article-card-views{
            font-size:0.78rem;
            color:var(--color-text-dim);
            display:flex;
            align-items:center;
            gap:4px;
        }

        /* ========== 排行表板块 ========== */
        .ranking-section{
            background:var(--color-bg-alt);
            border-top:1px solid var(--color-border);
            border-bottom:1px solid var(--color-border);
        }
        .ranking-table-wrap{
            overflow-x:auto;
            -webkit-overflow-scrolling:touch;
            border-radius:var(--radius-lg);
            border:1px solid var(--color-border);
            background:var(--color-bg-card);
        }
        .ranking-table{
            width:100%;
            border-collapse:collapse;
            min-width:600px;
        }
        .ranking-table th{
            text-align:left;
            padding:14px 18px;
            font-size:0.82rem;
            font-weight:700;
            letter-spacing:0.04em;
            text-transform:uppercase;
            color:var(--color-text-muted);
            border-bottom:2px solid var(--color-border-light);
            background:rgba(18,18,42,0.6);
        }
        .ranking-table td{
            padding:14px 18px;
            font-size:0.94rem;
            border-bottom:1px solid var(--color-border);
            color:var(--color-text);
            vertical-align:middle;
        }
        .ranking-table tr:last-child td{border-bottom:none}
        .ranking-table tbody tr{
            transition:background var(--transition-fast);
        }
        .ranking-table tbody tr:hover{
            background:rgba(232,184,48,0.04);
        }
        .rank-num{
            display:inline-flex;
            align-items:center;
            justify-content:center;
            width:32px;
            height:32px;
            border-radius:50%;
            font-weight:700;
            font-size:0.9rem;
            font-family:var(--font-mono);
        }
        .rank-gold{background:rgba(232,184,48,0.2);color:var(--color-accent)}
        .rank-silver{background:rgba(180,190,200,0.15);color:#c0c8d4}
        .rank-bronze{background:rgba(200,140,80,0.15);color:#d4a870}
        .rank-normal{background:rgba(255,255,255,0.04);color:var(--color-text-muted)}
        .rank-change-up{color:#4ade80;font-weight:600}
        .rank-change-down{color:#f87171;font-weight:600}
        .rank-change-same{color:var(--color-text-dim)}

        /* ========== 时间线板块 ========== */
        .timeline-list{
            position:relative;
            padding-left:32px;
        }
        .timeline-list::before{
            content:'';
            position:absolute;
            left:13px;
            top:4px;
            bottom:4px;
            width:2px;
            background:linear-gradient(180deg,var(--color-accent),var(--color-border-light),var(--color-border));
            border-radius:1px;
        }
        .timeline-item{
            position:relative;
            padding-bottom:var(--spacing-lg);
        }
        .timeline-item:last-child{padding-bottom:0}
        .timeline-item::before{
            content:'';
            position:absolute;
            left:-24px;
            top:6px;
            width:12px;
            height:12px;
            border-radius:50%;
            background:var(--color-accent);
            box-shadow:0 0 12px var(--color-accent-glow);
            z-index:2;
        }
        .timeline-date{
            font-size:0.82rem;
            font-weight:700;
            color:var(--color-accent);
            letter-spacing:0.03em;
            margin-bottom:4px;
        }
        .timeline-title{
            font-size:1.05rem;
            font-weight:700;
            color:var(--color-text-strong);
            margin-bottom:4px;
        }
        .timeline-desc{
            font-size:0.88rem;
            color:var(--color-text-muted);
            line-height:1.55;
        }

        /* ========== 统计数字板块 ========== */
        .stats-grid{
            display:grid;
            grid-template-columns:repeat(4,1fr);
            gap:var(--spacing-lg);
            text-align:center;
        }
        @media(max-width:768px){
            .stats-grid{grid-template-columns:repeat(2,1fr)}
        }
        @media(max-width:480px){
            .stats-grid{grid-template-columns:1fr 1fr}
        }
        .stat-card{
            background:var(--color-bg-card);
            border-radius:var(--radius-lg);
            border:1px solid var(--color-border);
            padding:var(--spacing-xl) var(--spacing-md);
            transition:all var(--transition-normal);
        }
        .stat-card:hover{
            border-color:var(--color-accent);
            box-shadow:var(--shadow-glow);
            transform:translateY(-2px);
        }
        .stat-icon-circle{
            display:inline-flex;
            align-items:center;
            justify-content:center;
            width:56px;
            height:56px;
            border-radius:50%;
            background:rgba(232,184,48,0.12);
            color:var(--color-accent);
            font-size:1.6rem;
            margin-bottom:var(--spacing-sm);
        }
        .stat-value{
            font-size:2.4rem;
            font-weight:800;
            color:var(--color-text-strong);
            font-family:var(--font-mono);
            letter-spacing:-0.03em;
        }
        .stat-value .suffix{
            font-size:1rem;
            font-weight:600;
            color:var(--color-accent);
            margin-left:2px;
        }
        .stat-label-text{
            font-size:0.86rem;
            color:var(--color-text-muted);
            margin-top:4px;
        }

        /* ========== CTA 板块 ========== */
        .cta-section{
            position:relative;
            padding:var(--spacing-3xl) 0;
            overflow:hidden;
            background:linear-gradient(160deg,rgba(20,20,50,0.9) 0%,rgba(10,10,28,0.95) 100%);
            border-top:1px solid var(--color-border);
            border-bottom:1px solid var(--color-border);
        }
        .cta-section::before{
            content:'';
            position:absolute;
            inset:0;
            background-image:url('/assets/images/backpic/back-3.png');
            background-size:cover;
            background-position:center;
            opacity:0.18;
            z-index:0;
        }
        .cta-content{
            position:relative;
            z-index:1;
            text-align:center;
            max-width:700px;
            margin:0 auto;
        }
        .cta-content h2{
            font-size:clamp(1.6rem,3.5vw,2.4rem);
            margin-bottom:var(--spacing-sm);
        }
        .cta-content p{
            font-size:1.05rem;
            color:var(--color-text-muted);
            margin-bottom:var(--spacing-lg);
            line-height:1.7;
        }
        .cta-buttons{
            display:flex;
            gap:var(--spacing-md);
            justify-content:center;
            flex-wrap:wrap;
        }
        .btn{
            display:inline-flex;
            align-items:center;
            gap:8px;
            padding:13px 28px;
            border-radius:var(--radius-full);
            font-weight:700;
            font-size:0.96rem;
            cursor:pointer;
            transition:all var(--transition-normal);
            white-space:nowrap;
            border:none;
        }
        .btn-primary{
            background:linear-gradient(135deg,var(--color-accent),#c89420);
            color:#1a1a2e;
            box-shadow:0 6px 24px rgba(232,184,48,0.35);
        }
        .btn-primary:hover{
            transform:translateY(-3px);
            box-shadow:0 12px 36px rgba(232,184,48,0.5);
        }
        .btn-outline{
            background:transparent;
            border:2px solid var(--color-border-light);
            color:var(--color-text-strong);
        }
        .btn-outline:hover{
            border-color:var(--color-accent);
            color:var(--color-accent);
            background:rgba(232,184,48,0.05);
        }

        /* ========== FAQ 板块 ========== */
        .faq-list{
            max-width:800px;
            margin:0 auto;
        }
        .faq-item{
            border:1px solid var(--color-border);
            border-radius:var(--radius-md);
            margin-bottom:var(--spacing-sm);
            background:var(--color-bg-card);
            overflow:hidden;
            transition:all var(--transition-fast);
        }
        .faq-item:hover{border-color:var(--color-border-light)}
        .faq-question{
            padding:var(--spacing-md) var(--spacing-lg);
            font-weight:700;
            font-size:1.02rem;
            color:var(--color-text-strong);
            cursor:pointer;
            display:flex;
            align-items:center;
            justify-content:space-between;
            gap:12px;
            user-select:none;
        }
        .faq-question i{
            transition:transform var(--transition-normal);
            color:var(--color-accent);
            font-size:0.9rem;
            flex-shrink:0;
        }
        .faq-item.open .faq-question i{
            transform:rotate(180deg);
        }
        .faq-answer{
            padding:0 var(--spacing-lg) var(--spacing-md);
            font-size:0.94rem;
            color:var(--color-text-muted);
            line-height:1.7;
            display:none;
        }
        .faq-item.open .faq-answer{display:block}

        /* ========== 页脚 ========== */
        .site-footer{
            background:var(--color-bg-alt);
            border-top:1px solid var(--color-border);
            padding:var(--spacing-2xl) 0 var(--spacing-lg);
        }
        .footer-grid{
            display:grid;
            grid-template-columns:1.5fr 1fr 1fr 1.2fr;
            gap:var(--spacing-xl);
            margin-bottom:var(--spacing-xl);
        }
        @media(max-width:900px){
            .footer-grid{grid-template-columns:1fr 1fr}
        }
        @media(max-width:520px){
            .footer-grid{grid-template-columns:1fr}
        }
        .footer-brand-name{
            font-size:1.3rem;
            font-weight:800;
            color:var(--color-accent);
            margin-bottom:var(--spacing-sm);
        }
        .footer-brand-desc{
            font-size:0.9rem;
            color:var(--color-text-dim);
            line-height:1.7;
        }
        .footer-col h5{
            font-size:0.9rem;
            font-weight:700;
            letter-spacing:0.04em;
            text-transform:uppercase;
            color:var(--color-text-muted);
            margin-bottom:var(--spacing-sm);
        }
        .footer-col ul li{margin-bottom:8px}
        .footer-col ul li a{
            font-size:0.9rem;
            color:var(--color-text-dim);
            transition:color var(--transition-fast);
        }
        .footer-col ul li a:hover{color:var(--color-accent)}
        .footer-bottom{
            display:flex;
            justify-content:space-between;
            align-items:center;
            padding-top:var(--spacing-md);
            border-top:1px solid var(--color-border);
            font-size:0.82rem;
            color:var(--color-text-dim);
            flex-wrap:wrap;
            gap:8px;
        }
        @media(max-width:520px){
            .footer-bottom{flex-direction:column;text-align:center}
        }

        /* ========== 辅助工具类 ========== */
        .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}
        .highlight-text{color:var(--color-accent)}
        .divider{width:60px;height:3px;background:var(--color-accent);border-radius:2px;margin:var(--spacing-sm) auto;opacity:0.7}

        /* ========== 分页 ========== */
        .pagination{
            display:flex;
            align-items:center;
            justify-content:center;
            gap:6px;
            margin-top:var(--spacing-xl);
            flex-wrap:wrap;
        }
        .pagination a,.pagination span{
            display:inline-flex;
            align-items:center;
            justify-content:center;
            min-width:40px;
            height:40px;
            border-radius:var(--radius-full);
            font-weight:600;
            font-size:0.9rem;
            transition:all var(--transition-fast);
            border:1px solid var(--color-border);
            background:var(--color-bg-card);
            color:var(--color-text-muted);
        }
        .pagination a:hover{
            border-color:var(--color-accent);
            color:var(--color-accent);
            background:rgba(232,184,48,0.06);
        }
        .pagination .active-page{
            background:var(--color-accent);
            color:#1a1a2e;
            border-color:var(--color-accent);
            font-weight:700;
        }
        .pagination .disabled-page{
            opacity:0.35;
            pointer-events:none;
        }

        /* ========== 移动端微调 ========== */
        @media(max-width:768px){
            .category-banner{padding:var(--spacing-2xl) 0 var(--spacing-xl)}
            .category-stats-row{gap:var(--spacing-md)}
            .cat-stat-num{font-size:1.5rem}
            .section{padding:var(--spacing-xl) 0}
            .articles-grid{gap:var(--spacing-md)}
            .timeline-list{padding-left:24px}
            .timeline-item::before{left:-18px;width:10px;height:10px}
            .timeline-list::before{left:9px}
        }
        @media(max-width:520px){
            .filter-bar{gap:6px}
            .filter-tag{padding:6px 13px;font-size:0.8rem}
            .faq-question{padding:var(--spacing-sm) var(--spacing-md);font-size:0.94rem}
            .faq-answer{padding:0 var(--spacing-md) var(--spacing-sm);font-size:0.86rem}
        }

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