/* roulang page: index */
:root {
            --primary: #1a3c3e;
            --primary-light: #2c6e6b;
            --primary-lighter: #3d8a86;
            --primary-dark: #0f2628;
            --primary-pale: #e8f3f3;
            --accent: #c9a96e;
            --accent-light: #dcc08a;
            --accent-dark: #b08d4c;
            --accent-pale: #faf6ed;
            --bg: #f7f8f9;
            --bg-alt: #edf0f2;
            --surface: #ffffff;
            --surface-hover: #fafbfc;
            --text: #1a1a2e;
            --text-secondary: #3d4048;
            --text-muted: #6b7280;
            --text-light: #9ca3af;
            --border: #e0e3e7;
            --border-light: #eef0f3;
            --border-medium: #d5d9de;
            --radius-xs: 6px;
            --radius-sm: 8px;
            --radius: 12px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --shadow-xs: 0 1px 2px rgba(0,0,0,0.04);
            --shadow-sm: 0 1px 3px rgba(0,0,0,0.06), 0 1px 2px rgba(0,0,0,0.04);
            --shadow: 0 4px 16px rgba(0,0,0,0.07), 0 1px 4px rgba(0,0,0,0.04);
            --shadow-md: 0 8px 24px rgba(0,0,0,0.09), 0 2px 6px rgba(0,0,0,0.04);
            --shadow-lg: 0 16px 40px rgba(0,0,0,0.10), 0 4px 12px rgba(0,0,0,0.05);
            --shadow-xl: 0 24px 56px rgba(0,0,0,0.12), 0 6px 16px rgba(0,0,0,0.06);
            --font-sans: 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', system-ui, -apple-system, sans-serif;
            --font-mono: 'SF Mono', 'Cascadia Code', 'Consolas', 'Monaco', monospace;
            --font-display: 'PingFang SC', 'Microsoft YaHei', 'Segoe UI', system-ui, sans-serif;
            --spacing-xs: 4px;
            --spacing-sm: 8px;
            --spacing: 16px;
            --spacing-md: 20px;
            --spacing-lg: 28px;
            --spacing-xl: 36px;
            --spacing-2xl: 48px;
            --spacing-3xl: 64px;
            --spacing-4xl: 80px;
            --transition-fast: 0.15s ease;
            --transition: 0.25s ease;
            --transition-slow: 0.4s ease;
            --max-width: 1200px;
            --max-width-sm: 960px;
            --max-width-lg: 1320px;
            --header-height: 68px;
        }

        *,*::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:1.65;
            color:var(--text);
            background:var(--bg);
            -webkit-font-smoothing:antialiased;
            -moz-osx-font-smoothing:grayscale;
            min-height:100vh;
        }
        a{text-decoration:none;color:inherit;transition:color var(--transition-fast);}
        a:hover{color:var(--primary-light);}
        img{max-width:100%;height:auto;display:block;}
        button,input,select,textarea{font-family:inherit;font-size:inherit;}
        button{cursor:pointer;border:none;background:none;}
        ul,ol{list-style:none;}
        h1,h2,h3,h4,h5,h6{line-height:1.3;font-weight:700;color:var(--text);}
        h1{font-size:2.5rem;letter-spacing:-0.02em;}
        h2{font-size:1.9rem;letter-spacing:-0.01em;}
        h3{font-size:1.35rem;}
        h4{font-size:1.1rem;}
        p{margin-bottom:0.75rem;}
        p:last-child{margin-bottom:0;}

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

        /* Header & Navigation - 卡片化导航面板 */
        .site-header{
            position:sticky;top:0;z-index:1000;
            background:var(--surface);
            border-bottom:1px solid var(--border-light);
            box-shadow:var(--shadow-xs);
            height:var(--header-height);
            display:flex;align-items:center;
        }
        .site-header .container{display:flex;align-items:center;justify-content:space-between;height:100%;}
        .header-logo{
            display:flex;align-items:center;gap:10px;
            font-size:1.25rem;font-weight:700;color:var(--primary);
            letter-spacing:-0.01em;white-space:nowrap;
            transition:opacity var(--transition-fast);
        }
        .header-logo:hover{opacity:0.85;color:var(--primary);}
        .header-logo-icon{
            width:38px;height:38px;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-weight:800;font-size:1rem;flex-shrink:0;
        }
        .nav-panel{
            display:flex;align-items:center;gap:6px;
            background:var(--bg-alt);border-radius:var(--radius);
            padding:5px 6px;border:1px solid var(--border-light);
        }
        .nav-panel__item{
            display:flex;align-items:center;gap:7px;
            padding:9px 16px;border-radius:var(--radius-sm);
            font-size:0.92rem;font-weight:600;color:var(--text-secondary);
            transition:all var(--transition-fast);white-space:nowrap;
            position:relative;
        }
        .nav-panel__item:hover{color:var(--primary);background:var(--surface);box-shadow:var(--shadow-xs);}
        .nav-panel__item--active{
            color:#fff;background:var(--primary);box-shadow:var(--shadow-sm);
        }
        .nav-panel__item--active:hover{color:#fff;background:var(--primary-dark);}
        .nav-panel__icon{width:18px;height:18px;flex-shrink:0;opacity:0.7;}
        .nav-panel__item--active .nav-panel__icon{opacity:1;filter:brightness(0) invert(1);}
        .nav-cta{
            padding:10px 20px;border-radius:var(--radius-sm);
            background:var(--accent);color:#fff;font-weight:600;
            font-size:0.9rem;white-space:nowrap;
            transition:all var(--transition);box-shadow:var(--shadow-xs);
            margin-left:8px;
        }
        .nav-cta:hover{background:var(--accent-dark);color:#fff;box-shadow:var(--shadow-sm);transform:translateY(-1px);}
        .mobile-menu-toggle{display:none;flex-direction:column;gap:5px;padding:8px;border-radius:var(--radius-xs);}
        .mobile-menu-toggle span{width:24px;height:2px;background:var(--text);border-radius:2px;transition:all var(--transition);}
        .mobile-menu{display:none;position:fixed;top:var(--header-height);left:0;right:0;bottom:0;background:var(--surface);z-index:999;padding:var(--spacing-lg);flex-direction:column;gap:8px;overflow-y:auto;}
        .mobile-menu.active{display:flex;}
        .mobile-menu .nav-panel__item{padding:14px 18px;font-size:1rem;border-radius:var(--radius);}
        .mobile-menu .nav-cta{margin:8px 0 0;text-align:center;padding:14px 20px;font-size:1rem;}

        @media(max-width:768px){
            .nav-panel{display:none;}
            .nav-cta.desktop-cta{display:none;}
            .mobile-menu-toggle{display:flex;}
            .site-header .container{gap:12px;}
        }
        @media(min-width:769px){
            .mobile-menu,.mobile-menu.active{display:none!important;}
        }

        /* Hero Section */
        .hero{
            position:relative;background:var(--primary-dark);
            background-image:linear-gradient(180deg,rgba(15,38,40,0.92) 0%,rgba(26,60,62,0.88) 100%),url('/assets/images/backpic/back-1.png');
            background-size:cover;background-position:center;
            padding:var(--spacing-4xl) 0;overflow:hidden;
        }
        .hero::after{
            content:'';position:absolute;bottom:0;left:0;right:0;height:80px;
            background:linear-gradient(to top,var(--bg) 0%,transparent 100%);
        }
        .hero-inner{position:relative;z-index:2;display:flex;align-items:center;gap:var(--spacing-3xl);}
        .hero-content{flex:1;min-width:0;}
        .hero-badge{
            display:inline-flex;align-items:center;gap:6px;
            padding:6px 14px;border-radius:20px;
            background:rgba(255,255,255,0.1);border:1px solid rgba(255,255,255,0.2);
            color:#dcc08a;font-size:0.85rem;font-weight:600;margin-bottom:var(--spacing-md);
            backdrop-filter:blur(4px);
        }
        .hero-badge-dot{width:8px;height:8px;border-radius:50%;background:var(--accent);animation:pulse-dot 2s infinite;}
        @keyframes pulse-dot{0%,100%{opacity:1;}50%{opacity:0.4;}}
        .hero-title{color:#fff;font-size:2.8rem;font-weight:800;margin-bottom:var(--spacing);letter-spacing:-0.02em;line-height:1.2;}
        .hero-title span{color:var(--accent-light);}
        .hero-desc{color:rgba(255,255,255,0.8);font-size:1.1rem;line-height:1.7;max-width:560px;margin-bottom:var(--spacing-lg);}
        .hero-actions{display:flex;gap:12px;flex-wrap:wrap;}
        .btn{
            display:inline-flex;align-items:center;gap:8px;
            padding:12px 24px;border-radius:var(--radius-sm);
            font-weight:600;font-size:0.95rem;transition:all var(--transition);
            white-space:nowrap;letter-spacing:0.01em;
        }
        .btn--primary{background:var(--accent);color:#fff;box-shadow:var(--shadow-sm);}
        .btn--primary:hover{background:var(--accent-dark);color:#fff;box-shadow:var(--shadow-md);transform:translateY(-2px);}
        .btn--outline{background:transparent;color:#fff;border:2px solid rgba(255,255,255,0.4);}
        .btn--outline:hover{background:rgba(255,255,255,0.08);border-color:rgba(255,255,255,0.7);color:#fff;transform:translateY(-2px);}
        .btn--sm{padding:8px 16px;font-size:0.85rem;border-radius:var(--radius-xs);}
        .btn--lg{padding:15px 32px;font-size:1.05rem;border-radius:var(--radius);}
        .hero-kpi{
            flex-shrink:0;display:grid;grid-template-columns:1fr 1fr;
            gap:var(--spacing);min-width:300px;
        }
        .hero-kpi-card{
            background:rgba(255,255,255,0.06);border:1px solid rgba(255,255,255,0.12);
            border-radius:var(--radius);padding:var(--spacing-md);
            text-align:center;backdrop-filter:blur(6px);
            transition:all var(--transition);
        }
        .hero-kpi-card:hover{background:rgba(255,255,255,0.1);border-color:rgba(255,255,255,0.22);transform:translateY(-3px);}
        .hero-kpi-value{font-size:2.4rem;font-weight:800;color:#fff;font-family:var(--font-display);line-height:1;}
        .hero-kpi-value .unit{font-size:1rem;font-weight:500;opacity:0.7;margin-left:2px;}
        .hero-kpi-label{font-size:0.8rem;color:rgba(255,255,255,0.6);margin-top:6px;text-transform:uppercase;letter-spacing:0.06em;}

        @media(max-width:1024px){
            .hero-inner{flex-direction:column;text-align:center;}
            .hero-desc{margin-left:auto;margin-right:auto;}
            .hero-actions{justify-content:center;}
            .hero-kpi{grid-template-columns:repeat(4,1fr);min-width:0;width:100%;max-width:600px;}
        }
        @media(max-width:640px){
            .hero{padding:var(--spacing-2xl) 0;}
            .hero-title{font-size:1.9rem;}
            .hero-desc{font-size:0.95rem;}
            .hero-kpi{grid-template-columns:1fr 1fr;gap:10px;}
            .hero-kpi-value{font-size:1.8rem;}
            .hero-kpi-card{padding:var(--spacing);}
            .btn{width:100%;justify-content:center;}
            .hero-actions{flex-direction:column;width:100%;}
        }

        /* Section共通 */
        .section{padding:var(--spacing-3xl) 0;}
        .section--alt{background:var(--bg-alt);}
        .section-header{text-align:center;margin-bottom:var(--spacing-2xl);}
        .section-header h2{margin-bottom:var(--spacing-sm);color:var(--text);}
        .section-header p{color:var(--text-muted);font-size:1.05rem;max-width:600px;margin:0 auto;}
        .section-label{
            display:inline-block;padding:5px 14px;border-radius:20px;
            font-size:0.82rem;font-weight:600;letter-spacing:0.04em;
            background:var(--primary-pale);color:var(--primary-light);
            margin-bottom:var(--spacing-sm);text-transform:uppercase;
        }

        /* 服务卡片 */
        .cards-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:var(--spacing-lg);}
        .card{
            background:var(--surface);border-radius:var(--radius-lg);
            border:1px solid var(--border-light);overflow:hidden;
            transition:all var(--transition);box-shadow:var(--shadow-xs);
            display:flex;flex-direction:column;
        }
        .card:hover{box-shadow:var(--shadow-md);transform:translateY(-3px);border-color:var(--border-medium);}
        .card__image{width:100%;height:200px;object-fit:cover;display:block;}
        .card__body{padding:var(--spacing-lg);flex:1;display:flex;flex-direction:column;}
        .card__tag{
            display:inline-block;align-self:flex-start;
            padding:4px 10px;border-radius:var(--radius-xs);
            font-size:0.78rem;font-weight:600;letter-spacing:0.03em;
            background:var(--primary-pale);color:var(--primary-light);
            margin-bottom:var(--spacing-sm);
        }
        .card__title{font-size:1.15rem;font-weight:700;margin-bottom:8px;color:var(--text);}
        .card__text{color:var(--text-muted);font-size:0.9rem;line-height:1.6;margin-bottom:var(--spacing);flex:1;}
        .card__link{
            display:inline-flex;align-items:center;gap:6px;
            font-weight:600;font-size:0.9rem;color:var(--primary-light);
            transition:all var(--transition-fast);margin-top:auto;
        }
        .card__link:hover{color:var(--primary-dark);gap:10px;}
        .card__link-arrow{transition:transform var(--transition-fast);}
        .card__link:hover .card__link-arrow{transform:translateX(4px);}

        @media(max-width:768px){
            .cards-grid{grid-template-columns:1fr;max-width:480px;margin:0 auto;}
            .card__image{height:180px;}
        }
        @media(min-width:769px) and (max-width:1024px){
            .cards-grid{grid-template-columns:repeat(2,1fr);}
        }

        /* 分类入口卡片 */
        .category-entry{
            background:var(--surface);border-radius:var(--radius-lg);
            border:2px solid var(--border-light);padding:var(--spacing-xl);
            display:flex;align-items:center;gap:var(--spacing-xl);
            transition:all var(--transition);box-shadow:var(--shadow-xs);
            cursor:pointer;
        }
        .category-entry:hover{border-color:var(--primary-lighter);box-shadow:var(--shadow-md);transform:translateY(-2px);}
        .category-entry__thumb{
            width:140px;height:140px;border-radius:var(--radius);object-fit:cover;flex-shrink:0;
        }
        .category-entry__info{flex:1;min-width:0;}
        .category-entry__tag{
            display:inline-block;padding:5px 12px;border-radius:var(--radius-xs);
            font-size:0.8rem;font-weight:700;letter-spacing:0.04em;
            background:var(--accent-pale);color:var(--accent-dark);margin-bottom:var(--spacing-sm);
        }
        .category-entry__title{font-size:1.5rem;font-weight:700;margin-bottom:8px;}
        .category-entry__desc{color:var(--text-muted);line-height:1.6;margin-bottom:var(--spacing);}
        .category-entry__stats{display:flex;gap:var(--spacing-lg);}
        .category-entry__stat{text-align:center;}
        .category-entry__stat-value{font-size:1.6rem;font-weight:800;color:var(--primary);line-height:1;}
        .category-entry__stat-label{font-size:0.78rem;color:var(--text-muted);margin-top:4px;}
        @media(max-width:640px){
            .category-entry{flex-direction:column;text-align:center;padding:var(--spacing-lg);}
            .category-entry__thumb{width:100%;height:180px;}
            .category-entry__stats{justify-content:center;}
        }

        /* 最新信息列表 */
        .info-list{display:flex;flex-direction:column;gap:1px;background:var(--border-light);border-radius:var(--radius-lg);overflow:hidden;border:1px solid var(--border-light);}
        .info-list__item{
            background:var(--surface);padding:var(--spacing-md) var(--spacing-lg);
            display:flex;align-items:center;gap:var(--spacing-md);
            transition:all var(--transition-fast);
        }
        .info-list__item:hover{background:var(--surface-hover);}
        .info-list__date{
            font-size:0.85rem;color:var(--text-muted);white-space:nowrap;
            font-family:var(--font-mono);min-width:90px;
        }
        .info-list__dot{width:8px;height:8px;border-radius:50%;background:var(--primary-lighter);flex-shrink:0;}
        .info-list__content{flex:1;min-width:0;}
        .info-list__title{font-weight:600;font-size:0.95rem;color:var(--text);margin-bottom:3px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}
        .info-list__title a{color:var(--text);}
        .info-list__title a:hover{color:var(--primary-light);}
        .info-list__excerpt{font-size:0.82rem;color:var(--text-muted);overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}
        .info-list__category{
            font-size:0.78rem;font-weight:600;padding:4px 10px;border-radius:var(--radius-xs);
            background:var(--primary-pale);color:var(--primary-light);white-space:nowrap;
        }
        .info-empty{
            text-align:center;padding:var(--spacing-3xl);color:var(--text-muted);
            font-size:1rem;background:var(--surface);
        }
        @media(max-width:640px){
            .info-list__item{flex-wrap:wrap;padding:var(--spacing);}
            .info-list__date{min-width:auto;}
            .info-list__category{font-size:0.72rem;padding:3px 8px;}
        }

        /* 数据亮点 KPI */
        .kpi-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:var(--spacing-lg);}
        .kpi-card{
            background:var(--surface);border:1px solid var(--border-light);
            border-radius:var(--radius-lg);padding:var(--spacing-xl) var(--spacing-lg);
            text-align:center;transition:all var(--transition);box-shadow:var(--shadow-xs);
            position:relative;overflow:hidden;
        }
        .kpi-card::before{
            content:'';position:absolute;top:0;left:0;right:0;height:3px;
            background:linear-gradient(90deg,var(--primary) 0%,var(--primary-light) 100%);
        }
        .kpi-card:hover{box-shadow:var(--shadow-md);transform:translateY(-4px);}
        .kpi-card__icon{font-size:2rem;margin-bottom:var(--spacing-sm);}
        .kpi-card__value{font-size:2.6rem;font-weight:800;color:var(--primary);line-height:1;font-family:var(--font-display);}
        .kpi-card__label{font-size:0.85rem;color:var(--text-muted);margin-top:8px;font-weight:500;}
        .kpi-card__trend{font-size:0.8rem;font-weight:600;margin-top:4px;display:inline-flex;align-items:center;gap:4px;}
        .kpi-card__trend--up{color:#10b981;}
        .kpi-card__trend--stable{color:var(--text-muted);}
        @media(max-width:1024px){.kpi-grid{grid-template-columns:repeat(2,1fr);}}
        @media(max-width:520px){.kpi-grid{grid-template-columns:1fr 1fr;gap:var(--spacing);}.kpi-card{padding:var(--spacing);}.kpi-card__value{font-size:1.8rem;}}

        /* FAQ */
        .faq-list{max-width:800px;margin:0 auto;display:flex;flex-direction:column;gap:var(--spacing);}
        .faq-item{
            background:var(--surface);border:1px solid var(--border-light);
            border-radius:var(--radius);overflow:hidden;transition:all var(--transition-fast);
        }
        .faq-item:hover{border-color:var(--border-medium);box-shadow:var(--shadow-xs);}
        .faq-q{
            padding:var(--spacing-md) var(--spacing-lg);font-weight:700;font-size:1rem;
            cursor:pointer;display:flex;justify-content:space-between;align-items:center;
            user-select:none;color:var(--text);
        }
        .faq-q::after{content:'+';font-size:1.4rem;font-weight:300;color:var(--text-muted);transition:transform var(--transition);}
        .faq-item.open .faq-q::after{content:'−';transform:rotate(180deg);}
        .faq-a{padding:0 var(--spacing-lg) var(--spacing-md);color:var(--text-muted);line-height:1.7;font-size:0.92rem;display:none;}
        .faq-item.open .faq-a{display:block;}

        /* CTA */
        .cta-section{
            background:linear-gradient(135deg,var(--primary-dark) 0%,var(--primary) 100%);
            border-radius:var(--radius-xl);padding:var(--spacing-3xl) var(--spacing-2xl);
            text-align:center;color:#fff;position:relative;overflow:hidden;
            margin:0 var(--spacing-lg);
        }
        .cta-section::before{
            content:'';position:absolute;top:-50%;right:-20%;width:400px;height:400px;
            background:radial-gradient(circle,rgba(201,169,110,0.2) 0%,transparent 70%);
            border-radius:50%;
        }
        .cta-section>*{position:relative;z-index:1;}
        .cta-section h2{color:#fff;font-size:1.8rem;margin-bottom:var(--spacing-sm);}
        .cta-section p{color:rgba(255,255,255,0.8);max-width:500px;margin:0 auto var(--spacing-lg);}
        .cta-section .btn--primary{background:#fff;color:var(--primary-dark);font-weight:700;}
        .cta-section .btn--primary:hover{background:var(--accent-pale);color:var(--primary-dark);box-shadow:var(--shadow-lg);}
        @media(max-width:640px){
            .cta-section{margin:0 var(--spacing);padding:var(--spacing-2xl) var(--spacing-lg);border-radius:var(--radius-lg);}
            .cta-section h2{font-size:1.4rem;}
        }

        /* Footer */
        .site-footer{
            background:var(--primary-dark);color:rgba(255,255,255,0.7);
            padding:var(--spacing-2xl) 0 var(--spacing-lg);
            margin-top:var(--spacing-3xl);
        }
        .footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:var(--spacing-xl);margin-bottom:var(--spacing-xl);}
        .footer-brand{font-size:1.2rem;font-weight:700;color:#fff;margin-bottom:8px;}
        .footer-desc{font-size:0.88rem;line-height:1.7;max-width:300px;}
        .footer-col h4{color:#fff;font-size:0.9rem;font-weight:700;margin-bottom:var(--spacing);text-transform:uppercase;letter-spacing:0.05em;opacity:0.8;}
        .footer-col ul{display:flex;flex-direction:column;gap:6px;}
        .footer-col a{font-size:0.88rem;color:rgba(255,255,255,0.6);transition:color var(--transition-fast);}
        .footer-col a:hover{color:var(--accent-light);}
        .footer-bottom{
            border-top:1px solid rgba(255,255,255,0.1);padding-top:var(--spacing-lg);
            display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:var(--spacing);
            font-size:0.82rem;color:rgba(255,255,255,0.4);
        }
        @media(max-width:768px){
            .footer-grid{grid-template-columns:1fr 1fr;gap:var(--spacing-lg);}
        }
        @media(max-width:480px){
            .footer-grid{grid-template-columns:1fr;}
            .footer-bottom{flex-direction:column;text-align:center;}
        }

        /* 通用辅助 */
        .text-accent{color:var(--accent);}
        .text-muted{color:var(--text-muted);}
        .mt-0{margin-top:0;}
        .mt-lg{margin-top:var(--spacing-lg);}
        .mb-lg{margin-bottom:var(--spacing-lg);}
        .text-center{text-align:center;}

        /* 回到顶部 */
        .back-to-top{
            position:fixed;bottom:30px;right:30px;z-index:998;
            width:44px;height:44px;border-radius:50%;
            background:var(--primary);color:#fff;
            display:flex;align-items:center;justify-content:center;
            box-shadow:var(--shadow-md);transition:all var(--transition);
            opacity:0;pointer-events:none;transform:translateY(10px);
            font-size:1.2rem;
        }
        .back-to-top.visible{opacity:1;pointer-events:auto;transform:translateY(0);}
        .back-to-top:hover{background:var(--primary-dark);box-shadow:var(--shadow-lg);transform:translateY(-3px);}

/* roulang page: article */
:root {
            --color-primary: #1B6B5D;
            --color-primary-light: #2D8B7A;
            --color-primary-dark: #145246;
            --color-accent: #3B82A3;
            --color-accent-light: #5A9FBF;
            --color-bg: #F4F6F8;
            --color-bg-alt: #EBEEF2;
            --color-surface: #FFFFFF;
            --color-surface-hover: #F8FAFB;
            --color-text: #1A1D22;
            --color-text-secondary: #4B5058;
            --color-text-muted: #7B828C;
            --color-border: #DDE1E6;
            --color-border-light: #E8ECF0;
            --color-tag-bg: #E8F4F1;
            --color-tag-text: #1B6B5D;
            --color-success: #2D8B7A;
            --color-warning: #D4A017;
            --color-danger: #C0392B;
            --radius-sm: 6px;
            --radius-md: 10px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --shadow-xs: 0 1px 2px rgba(0, 0, 0, 0.04);
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.06);
            --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.08);
            --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.10);
            --shadow-card: 0 1px 3px rgba(0, 0, 0, 0.05), 0 6px 20px rgba(0, 0, 0, 0.06);
            --font-sans: 'Inter', 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', system-ui, -apple-system, sans-serif;
            --font-mono: 'SF Mono', 'Cascadia Code', 'Consolas', monospace;
            --transition-fast: 0.15s ease;
            --transition-normal: 0.25s ease;
            --transition-slow: 0.35s ease;
            --header-height: 68px;
        }

        *,
        *::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(--color-text);
            background-color: var(--color-bg);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            min-height: 100vh;
        }

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

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

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

        input {
            font-family: inherit;
            font-size: inherit;
        }

        ul,
        ol {
            list-style: none;
        }

        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }

        .container--narrow {
            max-width: 900px;
        }

        /* Header */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: var(--color-surface);
            border-bottom: 1px solid var(--color-border-light);
            box-shadow: var(--shadow-xs);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            background: rgba(255, 255, 255, 0.94);
        }

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

        .header-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.25rem;
            font-weight: 700;
            color: var(--color-primary-dark);
            white-space: nowrap;
            letter-spacing: -0.01em;
            transition: opacity var(--transition-fast);
        }

        .header-logo:hover {
            opacity: 0.82;
        }

        .header-logo-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 38px;
            height: 38px;
            background: linear-gradient(135deg, var(--color-primary), var(--color-primary-light));
            color: #fff;
            border-radius: var(--radius-sm);
            font-size: 1.1rem;
            font-weight: 700;
            flex-shrink: 0;
        }

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

        .nav-panel__item {
            display: flex;
            align-items: center;
            gap: 7px;
            padding: 9px 16px;
            border-radius: var(--radius-sm);
            font-size: 0.925rem;
            font-weight: 500;
            color: var(--color-text-secondary);
            transition: all var(--transition-fast);
            white-space: nowrap;
            position: relative;
        }

        .nav-panel__item:hover {
            color: var(--color-primary);
            background: var(--color-surface);
            box-shadow: var(--shadow-xs);
        }

        .nav-panel__item--active {
            color: var(--color-primary);
            background: var(--color-surface);
            box-shadow: var(--shadow-sm);
            font-weight: 600;
        }

        .nav-panel__item--active::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 50%;
            transform: translateX(-50%);
            width: 20px;
            height: 2.5px;
            background: var(--color-primary);
            border-radius: 3px;
        }

        .nav-panel__icon {
            width: 18px;
            height: 18px;
            flex-shrink: 0;
        }

        .nav-cta {
            display: inline-flex;
            align-items: center;
            padding: 10px 20px;
            background: var(--color-primary);
            color: #fff;
            border-radius: var(--radius-sm);
            font-size: 0.9rem;
            font-weight: 600;
            white-space: nowrap;
            transition: all var(--transition-fast);
            box-shadow: 0 2px 8px rgba(27, 107, 93, 0.25);
        }

        .nav-cta:hover {
            background: var(--color-primary-dark);
            box-shadow: 0 4px 14px rgba(27, 107, 93, 0.35);
            transform: translateY(-1px);
        }

        .mobile-menu-toggle {
            display: none;
            flex-direction: column;
            gap: 5px;
            padding: 8px;
            border-radius: var(--radius-sm);
            transition: background var(--transition-fast);
        }

        .mobile-menu-toggle:hover {
            background: var(--color-bg);
        }

        .mobile-menu-toggle span {
            display: block;
            width: 24px;
            height: 2.5px;
            background: var(--color-text);
            border-radius: 2px;
            transition: all var(--transition-fast);
        }

        .mobile-menu {
            display: none;
            position: absolute;
            top: var(--header-height);
            left: 0;
            right: 0;
            background: var(--color-surface);
            border-bottom: 1px solid var(--color-border);
            box-shadow: var(--shadow-lg);
            padding: 16px 24px;
            flex-direction: column;
            gap: 8px;
            z-index: 99;
        }

        .mobile-menu.active {
            display: flex;
        }

        .mobile-menu a {
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 12px 16px;
            border-radius: var(--radius-sm);
            font-weight: 500;
            color: var(--color-text-secondary);
            transition: all var(--transition-fast);
        }

        .mobile-menu a:hover,
        .mobile-menu a.mobile-menu--active {
            background: var(--color-bg);
            color: var(--color-primary);
        }

        /* Breadcrumb */
        .breadcrumb-bar {
            background: var(--color-surface);
            border-bottom: 1px solid var(--color-border-light);
            padding: 14px 0;
        }

        .breadcrumb {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 6px;
            font-size: 0.875rem;
            color: var(--color-text-muted);
        }

        .breadcrumb a {
            color: var(--color-text-muted);
            transition: color var(--transition-fast);
        }

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

        .breadcrumb__separator {
            color: var(--color-border);
            font-size: 0.7rem;
            margin: 0 2px;
        }

        .breadcrumb__current {
            color: var(--color-text);
            font-weight: 500;
            max-width: 320px;
            overflow: hidden;
            text-overflow: ellipsis;
            white-space: nowrap;
        }

        /* Main Layout */
        .article-layout {
            display: grid;
            grid-template-columns: 1fr 340px;
            gap: 32px;
            padding: 36px 0 48px;
            align-items: start;
        }

        .article-main {
            min-width: 0;
        }

        .article-sidebar {
            position: sticky;
            top: calc(var(--header-height) + 24px);
            display: flex;
            flex-direction: column;
            gap: 20px;
        }

        /* Article Card */
        .article-card {
            background: var(--color-surface);
            border: 1px solid var(--color-border-light);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-card);
            overflow: hidden;
        }

        .article-card__image {
            width: 100%;
            aspect-ratio: 16 / 7;
            object-fit: cover;
            display: block;
            background: var(--color-bg-alt);
        }

        .article-card__body {
            padding: 32px 36px 40px;
        }

        .article-card__meta-top {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 12px;
            margin-bottom: 16px;
        }

        .article-tag {
            display: inline-flex;
            align-items: center;
            padding: 5px 12px;
            background: var(--color-tag-bg);
            color: var(--color-tag-text);
            border-radius: 20px;
            font-size: 0.8rem;
            font-weight: 600;
            letter-spacing: 0.02em;
            border: 1px solid rgba(27, 107, 93, 0.12);
        }

        .article-date {
            font-size: 0.85rem;
            color: var(--color-text-muted);
            display: flex;
            align-items: center;
            gap: 5px;
        }

        .article-date svg {
            width: 15px;
            height: 15px;
            flex-shrink: 0;
        }

        .article-card__h1 {
            font-size: 1.85rem;
            font-weight: 700;
            line-height: 1.35;
            color: var(--color-text);
            margin-bottom: 20px;
            letter-spacing: -0.01em;
        }

        .article-card__stats {
            display: flex;
            flex-wrap: wrap;
            gap: 20px;
            padding: 16px 0;
            border-top: 1px solid var(--color-border-light);
            border-bottom: 1px solid var(--color-border-light);
            margin-bottom: 24px;
        }

        .article-stat {
            display: flex;
            align-items: center;
            gap: 7px;
            font-size: 0.85rem;
            color: var(--color-text-muted);
        }

        .article-stat__value {
            font-weight: 600;
            color: var(--color-text-secondary);
            font-variant-numeric: tabular-nums;
        }

        .article-stat__icon {
            width: 16px;
            height: 16px;
            color: var(--color-primary);
            flex-shrink: 0;
        }

        .article-content {
            font-size: 1.02rem;
            line-height: 1.85;
            color: var(--color-text);
            word-break: break-word;
        }

        .article-content h2 {
            font-size: 1.45rem;
            font-weight: 700;
            margin: 32px 0 16px;
            color: var(--color-text);
            padding-bottom: 10px;
            border-bottom: 2px solid var(--color-border-light);
        }

        .article-content h3 {
            font-size: 1.2rem;
            font-weight: 600;
            margin: 24px 0 12px;
            color: var(--color-text);
        }

        .article-content p {
            margin-bottom: 16px;
        }

        .article-content ul,
        .article-content ol {
            margin: 12px 0 20px 20px;
        }

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

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

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

        .article-content img {
            border-radius: var(--radius-md);
            margin: 20px 0;
            max-width: 100%;
        }

        .article-content blockquote {
            border-left: 4px solid var(--color-primary);
            background: var(--color-tag-bg);
            padding: 16px 20px;
            margin: 20px 0;
            border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
            color: var(--color-text-secondary);
            font-style: italic;
        }

        .article-content table {
            width: 100%;
            border-collapse: collapse;
            margin: 20px 0;
            font-size: 0.9rem;
            border: 1px solid var(--color-border);
            border-radius: var(--radius-sm);
            overflow: hidden;
        }

        .article-content th,
        .article-content td {
            padding: 10px 14px;
            border: 1px solid var(--color-border-light);
            text-align: left;
        }

        .article-content th {
            background: var(--color-bg);
            font-weight: 600;
            color: var(--color-text-secondary);
        }

        .article-content code {
            background: var(--color-bg);
            padding: 2px 7px;
            border-radius: 3px;
            font-family: var(--font-mono);
            font-size: 0.9em;
            color: var(--color-accent);
        }

        .article-content pre {
            background: #1A1D22;
            color: #E8ECF0;
            padding: 20px;
            border-radius: var(--radius-md);
            overflow-x: auto;
            margin: 20px 0;
            font-size: 0.88rem;
            line-height: 1.6;
        }

        .article-content pre code {
            background: none;
            color: inherit;
            padding: 0;
        }

        /* Not Found */
        .not-found-card {
            background: var(--color-surface);
            border: 1px solid var(--color-border-light);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-card);
            padding: 60px 40px;
            text-align: center;
        }

        .not-found-card__icon {
            width: 72px;
            height: 72px;
            margin: 0 auto 20px;
            background: var(--color-bg);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--color-text-muted);
        }

        .not-found-card__icon svg {
            width: 36px;
            height: 36px;
        }

        .not-found-card h2 {
            font-size: 1.5rem;
            font-weight: 700;
            margin-bottom: 8px;
            color: var(--color-text);
        }

        .not-found-card p {
            color: var(--color-text-muted);
            margin-bottom: 24px;
        }

        .not-found-card .btn-back {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 12px 24px;
            background: var(--color-primary);
            color: #fff;
            border-radius: var(--radius-sm);
            font-weight: 600;
            transition: all var(--transition-fast);
            box-shadow: 0 2px 8px rgba(27, 107, 93, 0.25);
        }

        .not-found-card .btn-back:hover {
            background: var(--color-primary-dark);
            box-shadow: 0 4px 14px rgba(27, 107, 93, 0.35);
        }

        /* Sidebar Cards */
        .sidebar-card {
            background: var(--color-surface);
            border: 1px solid var(--color-border-light);
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-xs);
            padding: 20px 22px;
        }

        .sidebar-card__title {
            font-size: 0.95rem;
            font-weight: 700;
            color: var(--color-text);
            margin-bottom: 14px;
            padding-bottom: 10px;
            border-bottom: 2px solid var(--color-border-light);
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .sidebar-card__title svg {
            width: 18px;
            height: 18px;
            color: var(--color-primary);
            flex-shrink: 0;
        }

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

        .sidebar-tag {
            display: inline-block;
            padding: 6px 13px;
            background: var(--color-bg);
            border: 1px solid var(--color-border-light);
            border-radius: 20px;
            font-size: 0.8rem;
            color: var(--color-text-secondary);
            transition: all var(--transition-fast);
            cursor: pointer;
        }

        .sidebar-tag:hover {
            background: var(--color-tag-bg);
            color: var(--color-primary);
            border-color: rgba(27, 107, 93, 0.2);
        }

        .sidebar-post-item {
            display: flex;
            gap: 12px;
            padding: 10px 0;
            border-bottom: 1px solid var(--color-border-light);
            transition: background var(--transition-fast);
            border-radius: var(--radius-sm);
            padding: 10px;
            margin: 0 -6px;
        }

        .sidebar-post-item:last-child {
            border-bottom: none;
        }

        .sidebar-post-item:hover {
            background: var(--color-bg);
        }

        .sidebar-post-item__thumb {
            width: 64px;
            height: 48px;
            border-radius: var(--radius-sm);
            object-fit: cover;
            flex-shrink: 0;
            background: var(--color-bg-alt);
        }

        .sidebar-post-item__info {
            flex: 1;
            min-width: 0;
        }

        .sidebar-post-item__title {
            font-size: 0.85rem;
            font-weight: 500;
            line-height: 1.4;
            color: var(--color-text);
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            transition: color var(--transition-fast);
        }

        .sidebar-post-item:hover .sidebar-post-item__title {
            color: var(--color-primary);
        }

        .sidebar-post-item__date {
            font-size: 0.75rem;
            color: var(--color-text-muted);
            margin-top: 4px;
        }

        .sidebar-kpi {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 12px;
        }

        .sidebar-kpi__item {
            background: var(--color-bg);
            border-radius: var(--radius-sm);
            padding: 14px;
            text-align: center;
            border: 1px solid var(--color-border-light);
        }

        .sidebar-kpi__value {
            font-size: 1.5rem;
            font-weight: 700;
            color: var(--color-primary);
            font-variant-numeric: tabular-nums;
        }

        .sidebar-kpi__label {
            font-size: 0.75rem;
            color: var(--color-text-muted);
            margin-top: 2px;
        }

        /* Related Section */
        .related-section {
            padding: 40px 0 48px;
            background: var(--color-surface);
            border-top: 1px solid var(--color-border-light);
        }

        .related-section__title {
            font-size: 1.35rem;
            font-weight: 700;
            margin-bottom: 24px;
            color: var(--color-text);
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .related-section__title::before {
            content: '';
            width: 4px;
            height: 22px;
            background: var(--color-primary);
            border-radius: 2px;
        }

        .related-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }

        .related-card {
            background: var(--color-bg);
            border: 1px solid var(--color-border-light);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: all var(--transition-normal);
            box-shadow: var(--shadow-xs);
        }

        .related-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-3px);
            border-color: var(--color-border);
        }

        .related-card__image {
            width: 100%;
            aspect-ratio: 16 / 9;
            object-fit: cover;
            background: var(--color-bg-alt);
            display: block;
        }

        .related-card__body {
            padding: 16px 18px 18px;
        }

        .related-card__tag {
            font-size: 0.72rem;
            font-weight: 600;
            color: var(--color-primary);
            text-transform: uppercase;
            letter-spacing: 0.04em;
            margin-bottom: 6px;
        }

        .related-card__title {
            font-size: 0.95rem;
            font-weight: 600;
            line-height: 1.4;
            color: var(--color-text);
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            transition: color var(--transition-fast);
        }

        .related-card:hover .related-card__title {
            color: var(--color-primary);
        }

        .related-card__date {
            font-size: 0.78rem;
            color: var(--color-text-muted);
            margin-top: 8px;
        }

        /* CTA Section */
        .cta-section {
            padding: 52px 0;
            background: linear-gradient(160deg, #1A3C34 0%, #1B6B5D 40%, #145246 100%);
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            top: -60px;
            right: -80px;
            width: 300px;
            height: 300px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.03);
            pointer-events: none;
        }

        .cta-section::after {
            content: '';
            position: absolute;
            bottom: -40px;
            left: -60px;
            width: 200px;
            height: 200px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.03);
            pointer-events: none;
        }

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

        .cta-inner h2 {
            font-size: 1.8rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 12px;
            letter-spacing: -0.01em;
        }

        .cta-inner p {
            font-size: 1.05rem;
            color: rgba(255, 255, 255, 0.75);
            max-width: 560px;
            margin: 0 auto 28px;
            line-height: 1.6;
        }

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

        .cta-btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 13px 28px;
            border-radius: var(--radius-sm);
            font-weight: 600;
            font-size: 0.95rem;
            transition: all var(--transition-fast);
        }

        .cta-btn--primary {
            background: #fff;
            color: var(--color-primary-dark);
            box-shadow: 0 4px 16px rgba(0, 0, 0, 0.18);
        }

        .cta-btn--primary:hover {
            transform: translateY(-2px);
            box-shadow: 0 6px 22px rgba(0, 0, 0, 0.25);
            background: #f0faf7;
        }

        .cta-btn--outline {
            background: transparent;
            color: #fff;
            border: 2px solid rgba(255, 255, 255, 0.4);
        }

        .cta-btn--outline:hover {
            border-color: #fff;
            background: rgba(255, 255, 255, 0.08);
        }

        /* Footer */
        .site-footer {
            background: #1A1D22;
            color: rgba(255, 255, 255, 0.8);
            padding: 48px 0 28px;
            font-size: 0.9rem;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1fr;
            gap: 32px;
            margin-bottom: 32px;
        }

        .footer-brand {
            font-size: 1.2rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 10px;
        }

        .footer-desc {
            color: rgba(255, 255, 255, 0.5);
            line-height: 1.7;
            font-size: 0.85rem;
        }

        .footer-col h4 {
            font-size: 0.9rem;
            font-weight: 600;
            color: #fff;
            margin-bottom: 12px;
            letter-spacing: 0.02em;
        }

        .footer-col ul {
            display: flex;
            flex-direction: column;
            gap: 6px;
        }

        .footer-col a {
            color: rgba(255, 255, 255, 0.55);
            transition: color var(--transition-fast);
            font-size: 0.85rem;
        }

        .footer-col a:hover {
            color: #fff;
        }

        .footer-bottom {
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            padding-top: 20px;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            font-size: 0.8rem;
            color: rgba(255, 255, 255, 0.35);
            gap: 8px;
        }

        /* Responsive */
        @media (max-width: 1024px) {
            .article-layout {
                grid-template-columns: 1fr 280px;
                gap: 24px;
            }

            .article-card__body {
                padding: 24px 24px 30px;
            }

            .article-card__h1 {
                font-size: 1.55rem;
            }

            .related-grid {
                grid-template-columns: repeat(2, 1fr);
            }

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

        @media (max-width: 768px) {
            .desktop-cta {
                display: none;
            }

            .nav-panel {
                display: none;
            }

            .mobile-menu-toggle {
                display: flex;
            }

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

            .article-sidebar {
                position: static;
            }

            .article-card__body {
                padding: 20px 18px 24px;
            }

            .article-card__h1 {
                font-size: 1.35rem;
            }

            .article-card__stats {
                gap: 12px;
            }

            .article-content {
                font-size: 0.95rem;
            }

            .related-grid {
                grid-template-columns: 1fr;
                gap: 14px;
            }

            .footer-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }

            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }

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

            .breadcrumb__current {
                max-width: 180px;
            }

            .sidebar-kpi {
                grid-template-columns: 1fr 1fr;
            }
        }

        @media (max-width: 520px) {
            .container {
                padding: 0 14px;
            }

            .site-header .container {
                gap: 10px;
            }

            .header-logo {
                font-size: 1rem;
            }

            .header-logo-icon {
                width: 30px;
                height: 30px;
                font-size: 0.9rem;
            }

            .article-card__h1 {
                font-size: 1.2rem;
            }

            .article-card__meta-top {
                gap: 8px;
            }

            .article-card__stats {
                flex-direction: column;
                gap: 8px;
            }

            .article-card__body {
                padding: 16px 14px 20px;
            }

            .article-content h2 {
                font-size: 1.2rem;
            }

            .article-content h3 {
                font-size: 1.05rem;
            }

            .cta-btn-group {
                flex-direction: column;
                align-items: center;
            }

            .cta-btn {
                width: 100%;
                justify-content: center;
            }

            .related-section__title {
                font-size: 1.15rem;
            }

            .sidebar-kpi__value {
                font-size: 1.2rem;
            }
        }

/* roulang page: category1 */
/* ========== 设计变量 ========== */
        :root {
            /* 主色 - 低饱和蓝绿 */
            --color-primary: #0f766e;
            --color-primary-light: #14b8a6;
            --color-primary-dark: #115e59;
            --color-primary-bg: #f0fdfa;
            --color-primary-border: #99f6e4;
            /* 辅色 - 沉稳蓝灰 */
            --color-secondary: #475569;
            --color-secondary-light: #64748b;
            --color-secondary-dark: #334155;
            /* 强调色 - 青蓝点缀 */
            --color-accent: #0891b2;
            --color-accent-light: #22d3ee;
            --color-accent-bg: #ecfeff;
            /* 背景系统 */
            --color-bg: #f8fafc;
            --color-bg-alt: #f1f5f9;
            --color-bg-white: #ffffff;
            --color-bg-dark: #1e293b;
            --color-bg-darker: #0f172a;
            /* 文字系统 */
            --color-text: #1e293b;
            --color-text-heading: #0f172a;
            --color-text-weak: #64748b;
            --color-text-muted: #94a3b8;
            --color-text-on-dark: #f1f5f9;
            --color-text-on-dark-weak: #94a3b8;
            /* 边框与分隔 */
            --color-border: #e2e8f0;
            --color-border-light: #f1f5f9;
            --color-border-strong: #cbd5e1;
            /* 圆角 */
            --radius-sm: 6px;
            --radius-md: 10px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --radius-full: 9999px;
            /* 阴影 */
            --shadow-xs: 0 1px 2px rgba(15,23,42,0.04);
            --shadow-sm: 0 1px 3px rgba(15,23,42,0.06),0 1px 2px rgba(15,23,42,0.04);
            --shadow-md: 0 4px 12px rgba(15,23,42,0.07),0 2px 4px rgba(15,23,42,0.04);
            --shadow-lg: 0 10px 30px rgba(15,23,42,0.09),0 4px 8px rgba(15,23,42,0.05);
            --shadow-xl: 0 20px 50px rgba(15,23,42,0.12),0 8px 16px rgba(15,23,42,0.06);
            --shadow-card-hover: 0 12px 36px rgba(15,23,42,0.11),0 4px 10px rgba(15,23,42,0.06);
            /* 间距 */
            --space-xs: 4px;
            --space-sm: 8px;
            --space-md: 16px;
            --space-lg: 24px;
            --space-xl: 32px;
            --space-2xl: 48px;
            --space-3xl: 64px;
            --space-4xl: 80px;
            /* 字体 */
            --font-sans: 'Inter','PingFang SC','Microsoft YaHei','Helvetica Neue',sans-serif;
            --font-mono: 'SF Mono','JetBrains Mono','Consolas',monospace;
            /* 字号 */
            --text-xs: 0.75rem;
            --text-sm: 0.875rem;
            --text-base: 1rem;
            --text-lg: 1.125rem;
            --text-xl: 1.25rem;
            --text-2xl: 1.5rem;
            --text-3xl: 1.875rem;
            --text-4xl: 2.25rem;
            --text-5xl: 3rem;
            /* 过渡 */
            --transition-fast: 0.15s ease;
            --transition-base: 0.25s ease;
            --transition-slow: 0.4s ease;
        }

        /* ========== Reset & Base ========== */
        *,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
        html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;font-size:16px}
        body{
            font-family:var(--font-sans);
            font-size:var(--text-base);
            line-height:1.7;
            color:var(--color-text);
            background:var(--color-bg);
            -webkit-font-smoothing:antialiased;
            -moz-osx-font-smoothing:grayscale;
            min-height:100vh;
            display:flex;
            flex-direction:column;
        }
        main{flex:1}
        a{text-decoration:none;color:inherit;transition:color var(--transition-fast)}
        img{max-width:100%;height:auto;display:block}
        button,input,select,textarea{font-family:inherit;font-size:inherit}
        ul,ol{list-style:none}
        h1,h2,h3,h4,h5,h6{color:var(--color-text-heading);line-height:1.3;font-weight:700}
        :focus-visible{outline:2px solid var(--color-primary);outline-offset:3px;border-radius:4px}

        /* ========== 容器 ========== */
        .container{
            width:100%;
            max-width:1200px;
            margin:0 auto;
            padding:0 var(--space-lg);
        }
        @media(min-width:1400px){
            .container{max-width:1320px}
        }

        /* ========== Header / 卡片化导航面板 ========== */
        .site-header{
            position:sticky;
            top:0;
            z-index:1000;
            background:var(--color-bg-white);
            border-bottom:1px solid var(--color-border);
            backdrop-filter:blur(12px);
            -webkit-backdrop-filter:blur(12px);
            background:rgba(255,255,255,0.92);
        }
        .site-header .container{
            display:flex;
            align-items:center;
            justify-content:space-between;
            height:68px;
            gap:var(--space-lg);
        }
        .header-logo{
            display:flex;
            align-items:center;
            gap:var(--space-sm);
            font-weight:700;
            font-size:var(--text-lg);
            color:var(--color-text-heading);
            white-space:nowrap;
            transition:opacity var(--transition-fast);
        }
        .header-logo:hover{opacity:0.8}
        .header-logo-icon{
            display:inline-flex;
            align-items:center;
            justify-content:center;
            width:38px;
            height:38px;
            border-radius:var(--radius-md);
            background:linear-gradient(135deg,var(--color-primary),var(--color-accent));
            color:#fff;
            font-size:var(--text-lg);
            font-weight:800;
            flex-shrink:0;
        }
        /* 导航面板 - 卡片化 */
        .nav-panel{
            display:flex;
            align-items:center;
            gap:4px;
            background:var(--color-bg-alt);
            border-radius:var(--radius-lg);
            padding:5px;
            border:1px solid var(--color-border-light);
        }
        .nav-panel__item{
            display:flex;
            align-items:center;
            gap:6px;
            padding:8px 16px;
            border-radius:var(--radius-md);
            font-size:var(--text-sm);
            font-weight:500;
            color:var(--color-text-weak);
            transition:all var(--transition-fast);
            white-space:nowrap;
            cursor:pointer;
            position:relative;
        }
        .nav-panel__item:hover{
            color:var(--color-text);
            background:var(--color-bg-white);
            box-shadow:var(--shadow-xs);
        }
        .nav-panel__item--active{
            color:var(--color-primary);
            background:var(--color-bg-white);
            box-shadow:var(--shadow-sm);
            font-weight:600;
        }
        .nav-panel__icon{
            width:18px;
            height:18px;
            flex-shrink:0;
        }
        .nav-cta{
            display:inline-flex;
            align-items:center;
            gap:6px;
            padding:10px 20px;
            border-radius:var(--radius-full);
            font-size:var(--text-sm);
            font-weight:600;
            color:#fff;
            background:linear-gradient(135deg,var(--color-primary),var(--color-primary-dark));
            transition:all var(--transition-base);
            white-space:nowrap;
            box-shadow:0 2px 8px rgba(15,118,110,0.25);
        }
        .nav-cta:hover{
            transform:translateY(-1px);
            box-shadow:0 6px 20px rgba(15,118,110,0.35);
            color:#fff;
        }
        .nav-cta:active{transform:translateY(0)}
        .mobile-menu-toggle{
            display:none;
            flex-direction:column;
            gap:5px;
            background:none;
            border:none;
            cursor:pointer;
            padding:8px;
            z-index:1001;
        }
        .mobile-menu-toggle span{
            display:block;
            width:24px;
            height:2.5px;
            background:var(--color-text);
            border-radius:3px;
            transition:all var(--transition-base);
        }
        .mobile-menu{
            display:none;
            position:fixed;
            top:68px;
            left:0;
            right:0;
            bottom:0;
            background:var(--color-bg-white);
            z-index:999;
            flex-direction:column;
            padding:var(--space-xl);
            gap:var(--space-md);
            overflow-y:auto;
        }
        .mobile-menu.active{display:flex}
        .mobile-menu .nav-panel__item{
            padding:14px 18px;
            font-size:var(--text-base);
            border-radius:var(--radius-lg);
            background:var(--color-bg-alt);
        }
        .mobile-menu .nav-cta{
            width:100%;
            justify-content:center;
            padding:14px;
            font-size:var(--text-base);
            margin-top:var(--space-sm);
        }

        @media(max-width:768px){
            .site-header .container{height:60px}
            .nav-panel.desktop-nav{display:none}
            .desktop-cta{display:none}
            .mobile-menu-toggle{display:flex}
            .mobile-menu{top:60px}
            .header-logo{font-size:var(--text-base)}
            .header-logo-icon{width:32px;height:32px;font-size:var(--text-base)}
        }

        /* ========== 面包屑 ========== */
        .breadcrumb-bar{
            background:var(--color-bg-white);
            border-bottom:1px solid var(--color-border-light);
            padding:var(--space-md) 0;
        }
        .breadcrumb{
            display:flex;
            align-items:center;
            gap:var(--space-sm);
            font-size:var(--text-sm);
            color:var(--color-text-weak);
            flex-wrap:wrap;
        }
        .breadcrumb a{color:var(--color-text-weak);transition:color var(--transition-fast)}
        .breadcrumb a:hover{color:var(--color-primary)}
        .breadcrumb .breadcrumb-sep{color:var(--color-text-muted);font-size:var(--text-xs)}
        .breadcrumb .breadcrumb-current{color:var(--color-text);font-weight:500}

        /* ========== 分类 Banner ========== */
        .category-banner{
            position:relative;
            padding:var(--space-3xl) 0 var(--space-2xl);
            background:linear-gradient(170deg,var(--color-bg-dark) 0%,var(--color-bg-darker) 60%,#0c1a1f 100%);
            overflow:hidden;
            color:var(--color-text-on-dark);
        }
        .category-banner::before{
            content:'';
            position:absolute;
            inset:0;
            background:url('/assets/images/backpic/back-1.png') center/cover no-repeat;
            opacity:0.18;
            pointer-events:none;
        }
        .category-banner::after{
            content:'';
            position:absolute;
            top:0;left:0;right:0;bottom:0;
            background:radial-gradient(ellipse at 30% 50%,rgba(20,184,166,0.08) 0%,transparent 60%),
                        radial-gradient(ellipse at 70% 30%,rgba(8,145,178,0.06) 0%,transparent 50%);
            pointer-events:none;
        }
        .category-banner .container{position:relative;z-index:1}
        .category-banner__tag{
            display:inline-flex;
            align-items:center;
            gap:6px;
            padding:6px 14px;
            border-radius:var(--radius-full);
            font-size:var(--text-xs);
            font-weight:600;
            letter-spacing:0.04em;
            text-transform:uppercase;
            background:rgba(20,184,166,0.2);
            color:var(--color-primary-light);
            border:1px solid rgba(20,184,166,0.3);
            margin-bottom:var(--space-lg);
        }
        .category-banner__title{
            font-size:var(--text-4xl);
            font-weight:800;
            color:#fff;
            margin-bottom:var(--space-md);
            letter-spacing:-0.02em;
            line-height:1.2;
        }
        .category-banner__title .highlight{
            background:linear-gradient(135deg,var(--color-primary-light),var(--color-accent-light));
            -webkit-background-clip:text;
            -webkit-text-fill-color:transparent;
            background-clip:text;
        }
        .category-banner__desc{
            font-size:var(--text-lg);
            color:var(--color-text-on-dark-weak);
            max-width:600px;
            line-height:1.7;
        }
        @media(max-width:768px){
            .category-banner{padding:var(--space-2xl) 0 var(--space-xl)}
            .category-banner__title{font-size:var(--text-2xl)}
            .category-banner__desc{font-size:var(--text-base)}
        }

        /* ========== 板块通用 ========== */
        .section{padding:var(--space-3xl) 0}
        .section--alt{background:var(--color-bg-alt)}
        .section--white{background:var(--color-bg-white)}
        .section__header{
            text-align:center;
            margin-bottom:var(--space-2xl);
        }
        .section__label{
            display:inline-block;
            font-size:var(--text-xs);
            font-weight:700;
            letter-spacing:0.06em;
            text-transform:uppercase;
            color:var(--color-primary);
            margin-bottom:var(--space-sm);
            padding:4px 12px;
            background:var(--color-primary-bg);
            border-radius:var(--radius-full);
        }
        .section__title{
            font-size:var(--text-3xl);
            font-weight:800;
            color:var(--color-text-heading);
            margin-bottom:var(--space-sm);
            letter-spacing:-0.01em;
        }
        .section__subtitle{
            font-size:var(--text-lg);
            color:var(--color-text-weak);
            max-width:560px;
            margin:0 auto;
        }
        @media(max-width:768px){
            .section{padding:var(--space-2xl) 0}
            .section__title{font-size:var(--text-2xl)}
            .section__subtitle{font-size:var(--text-base)}
        }

        /* ========== KPI 数据仪表盘 ========== */
        .kpi-dashboard{
            display:grid;
            grid-template-columns:repeat(4,1fr);
            gap:var(--space-lg);
        }
        .kpi-card{
            background:var(--color-bg-white);
            border-radius:var(--radius-lg);
            padding:var(--space-xl) var(--space-lg);
            border:1px solid var(--color-border);
            transition:all var(--transition-base);
            position:relative;
            overflow:hidden;
        }
        .kpi-card::before{
            content:'';
            position:absolute;
            top:0;left:0;right:0;
            height:3px;
            background:linear-gradient(90deg,var(--color-primary),var(--color-accent));
            opacity:0;
            transition:opacity var(--transition-base);
        }
        .kpi-card:hover{
            box-shadow:var(--shadow-lg);
            border-color:var(--color-border-strong);
            transform:translateY(-2px);
        }
        .kpi-card:hover::before{opacity:1}
        .kpi-card__icon{
            width:44px;
            height:44px;
            border-radius:var(--radius-md);
            display:flex;
            align-items:center;
            justify-content:center;
            margin-bottom:var(--space-md);
            font-size:var(--text-xl);
        }
        .kpi-card__icon--teal{background:var(--color-primary-bg);color:var(--color-primary)}
        .kpi-card__icon--blue{background:var(--color-accent-bg);color:var(--color-accent)}
        .kpi-card__icon--amber{background:#fffbeb;color:#d97706}
        .kpi-card__icon--rose{background:#fff1f2;color:#e11d48}
        .kpi-card__value{
            font-size:var(--text-4xl);
            font-weight:800;
            color:var(--color-text-heading);
            letter-spacing:-0.03em;
            font-family:var(--font-mono);
            line-height:1;
            margin-bottom:var(--space-xs);
        }
        .kpi-card__label{
            font-size:var(--text-sm);
            color:var(--color-text-weak);
            font-weight:500;
        }
        .kpi-card__change{
            display:inline-flex;
            align-items:center;
            gap:4px;
            font-size:var(--text-xs);
            font-weight:600;
            margin-top:var(--space-sm);
            padding:3px 8px;
            border-radius:var(--radius-full);
        }
        .kpi-card__change--up{color:#059669;background:#ecfdf5}
        .kpi-card__change--down{color:#dc2626;background:#fef2f2}
        @media(max-width:1024px){
            .kpi-dashboard{grid-template-columns:repeat(2,1fr)}
        }
        @media(max-width:520px){
            .kpi-dashboard{grid-template-columns:1fr}
            .kpi-card__value{font-size:var(--text-3xl)}
        }

        /* ========== 赛事数据表格区 ========== */
        .data-table-wrapper{
            background:var(--color-bg-white);
            border-radius:var(--radius-xl);
            border:1px solid var(--color-border);
            overflow:hidden;
            box-shadow:var(--shadow-sm);
        }
        .data-table-header{
            display:flex;
            align-items:center;
            justify-content:space-between;
            padding:var(--space-lg) var(--space-xl);
            border-bottom:1px solid var(--color-border-light);
            flex-wrap:wrap;
            gap:var(--space-md);
        }
        .data-table-header__title{
            font-size:var(--text-lg);
            font-weight:700;
            color:var(--color-text-heading);
            display:flex;
            align-items:center;
            gap:var(--space-sm);
        }
        .data-table-header__title .live-dot{
            width:8px;
            height:8px;
            border-radius:50%;
            background:#22c55e;
            animation:pulse-dot 1.8s ease-in-out infinite;
        }
        @keyframes pulse-dot{
            0%,100%{opacity:1;box-shadow:0 0 0 0 rgba(34,197,94,0.5)}
            50%{opacity:0.6;box-shadow:0 0 0 8px rgba(34,197,94,0)}
        }
        .data-table-filters{
            display:flex;
            gap:var(--space-sm);
            flex-wrap:wrap;
        }
        .filter-chip{
            padding:6px 14px;
            border-radius:var(--radius-full);
            font-size:var(--text-xs);
            font-weight:500;
            border:1px solid var(--color-border);
            background:var(--color-bg-white);
            color:var(--color-text-weak);
            cursor:pointer;
            transition:all var(--transition-fast);
            white-space:nowrap;
        }
        .filter-chip:hover{border-color:var(--color-primary);color:var(--color-primary)}
        .filter-chip--active{
            background:var(--color-primary);
            color:#fff;
            border-color:var(--color-primary);
            font-weight:600;
        }
        .data-table-scroll{
            overflow-x:auto;
            -webkit-overflow-scrolling:touch;
        }
        .data-table{
            width:100%;
            border-collapse:collapse;
            font-size:var(--text-sm);
        }
        .data-table thead th{
            padding:14px 16px;
            text-align:left;
            font-weight:600;
            color:var(--color-text-weak);
            font-size:var(--text-xs);
            letter-spacing:0.03em;
            text-transform:uppercase;
            background:var(--color-bg-alt);
            border-bottom:2px solid var(--color-border);
            white-space:nowrap;
        }
        .data-table tbody td{
            padding:14px 16px;
            border-bottom:1px solid var(--color-border-light);
            color:var(--color-text);
            white-space:nowrap;
        }
        .data-table tbody tr{
            transition:background var(--transition-fast);
        }
        .data-table tbody tr:hover{background:var(--color-primary-bg)}
        .data-table .team-cell{
            display:flex;
            align-items:center;
            gap:var(--space-sm);
            font-weight:500;
        }
        .data-table .team-avatar{
            width:28px;
            height:28px;
            border-radius:50%;
            background:var(--color-bg-alt);
            display:flex;
            align-items:center;
            justify-content:center;
            font-size:var(--text-xs);
            font-weight:700;
            color:var(--color-text-weak);
            flex-shrink:0;
        }
        .data-table .score-cell{
            font-weight:700;
            font-family:var(--font-mono);
            font-size:var(--text-base);
            color:var(--color-text-heading);
        }
        .data-table .status-badge{
            display:inline-block;
            padding:4px 10px;
            border-radius:var(--radius-full);
            font-size:var(--text-xs);
            font-weight:600;
        }
        .status-badge--live{background:#fef2f2;color:#dc2626}
        .status-badge--finished{background:#f1f5f9;color:#64748b}
        .status-badge--upcoming{background:#ecfdf5;color:#059669}
        .data-table-footer{
            display:flex;
            align-items:center;
            justify-content:space-between;
            padding:var(--space-md) var(--space-xl);
            border-top:1px solid var(--color-border-light);
            flex-wrap:wrap;
            gap:var(--space-md);
        }
        .data-table-footer__info{
            font-size:var(--text-sm);
            color:var(--color-text-weak);
        }
        .pagination{
            display:flex;
            gap:4px;
        }
        .pagination__btn{
            width:36px;
            height:36px;
            border-radius:var(--radius-md);
            border:1px solid var(--color-border);
            background:var(--color-bg-white);
            color:var(--color-text);
            font-weight:500;
            font-size:var(--text-sm);
            cursor:pointer;
            transition:all var(--transition-fast);
            display:flex;
            align-items:center;
            justify-content:center;
        }
        .pagination__btn:hover{background:var(--color-bg-alt);border-color:var(--color-border-strong)}
        .pagination__btn--active{
            background:var(--color-primary);
            color:#fff;
            border-color:var(--color-primary);
            font-weight:700;
        }
        .pagination__btn--disabled{opacity:0.4;pointer-events:none}

        @media(max-width:768px){
            .data-table-header{padding:var(--space-md) var(--space-lg)}
            .data-table thead th,
            .data-table tbody td{padding:10px 12px;font-size:var(--text-xs)}
            .data-table-footer{padding:var(--space-md) var(--space-lg);flex-direction:column;align-items:flex-start}
        }

        /* ========== 联赛卡片网格 ========== */
        .league-grid{
            display:grid;
            grid-template-columns:repeat(3,1fr);
            gap:var(--space-lg);
        }
        .league-card{
            background:var(--color-bg-white);
            border-radius:var(--radius-xl);
            overflow:hidden;
            border:1px solid var(--color-border);
            transition:all var(--transition-base);
            position:relative;
        }
        .league-card:hover{
            box-shadow:var(--shadow-card-hover);
            transform:translateY(-3px);
            border-color:var(--color-border-strong);
        }
        .league-card__image{
            position:relative;
            height:180px;
            overflow:hidden;
        }
        .league-card__image img{
            width:100%;
            height:100%;
            object-fit:cover;
            transition:transform var(--transition-slow);
        }
        .league-card:hover .league-card__image img{transform:scale(1.04)}
        .league-card__image-overlay{
            position:absolute;
            inset:0;
            background:linear-gradient(to top,rgba(15,23,42,0.7) 0%,transparent 50%);
        }
        .league-card__badge{
            position:absolute;
            top:var(--space-md);
            right:var(--space-md);
            padding:5px 12px;
            border-radius:var(--radius-full);
            font-size:var(--text-xs);
            font-weight:700;
            background:rgba(255,255,255,0.9);
            color:var(--color-text-heading);
            backdrop-filter:blur(4px);
            z-index:1;
        }
        .league-card__body{
            padding:var(--space-lg);
        }
        .league-card__title{
            font-size:var(--text-xl);
            font-weight:700;
            color:var(--color-text-heading);
            margin-bottom:var(--space-xs);
        }
        .league-card__desc{
            font-size:var(--text-sm);
            color:var(--color-text-weak);
            margin-bottom:var(--space-md);
            line-height:1.6;
        }
        .league-card__stats{
            display:flex;
            gap:var(--space-lg);
            padding-top:var(--space-md);
            border-top:1px solid var(--color-border-light);
        }
        .league-card__stat-value{
            font-size:var(--text-lg);
            font-weight:700;
            color:var(--color-text-heading);
            font-family:var(--font-mono);
        }
        .league-card__stat-label{
            font-size:var(--text-xs);
            color:var(--color-text-muted);
            margin-top:2px;
        }
        @media(max-width:1024px){
            .league-grid{grid-template-columns:repeat(2,1fr)}
        }
        @media(max-width:520px){
            .league-grid{grid-template-columns:1fr}
            .league-card__image{height:160px}
        }

        /* ========== 数据亮点图文区 ========== */
        .highlight-block{
            display:grid;
            grid-template-columns:1fr 1fr;
            gap:var(--space-2xl);
            align-items:center;
        }
        .highlight-block__image{
            border-radius:var(--radius-xl);
            overflow:hidden;
            box-shadow:var(--shadow-lg);
            aspect-ratio:4/3;
        }
        .highlight-block__image img{
            width:100%;
            height:100%;
            object-fit:cover;
        }
        .highlight-block__content h3{
            font-size:var(--text-2xl);
            font-weight:700;
            margin-bottom:var(--space-md);
            color:var(--color-text-heading);
        }
        .highlight-block__content p{
            font-size:var(--text-base);
            color:var(--color-text-weak);
            line-height:1.8;
            margin-bottom:var(--space-lg);
        }
        .highlight-list{
            display:flex;
            flex-direction:column;
            gap:var(--space-md);
        }
        .highlight-list__item{
            display:flex;
            align-items:flex-start;
            gap:var(--space-md);
            padding:var(--space-md);
            border-radius:var(--radius-md);
            background:var(--color-bg-alt);
            transition:background var(--transition-fast);
        }
        .highlight-list__item:hover{background:var(--color-primary-bg)}
        .highlight-list__icon{
            width:40px;
            height:40px;
            border-radius:var(--radius-md);
            display:flex;
            align-items:center;
            justify-content:center;
            flex-shrink:0;
            background:var(--color-primary-bg);
            color:var(--color-primary);
            font-size:var(--text-lg);
        }
        .highlight-list__text strong{
            display:block;
            font-size:var(--text-sm);
            color:var(--color-text-heading);
            margin-bottom:2px;
        }
        .highlight-list__text span{
            font-size:var(--text-xs);
            color:var(--color-text-weak);
        }
        @media(max-width:768px){
            .highlight-block{grid-template-columns:1fr;gap:var(--space-xl)}
            .highlight-block__image{aspect-ratio:16/9}
        }

        /* ========== FAQ 板块 ========== */
        .faq-list{
            max-width:800px;
            margin:0 auto;
            display:flex;
            flex-direction:column;
            gap:var(--space-md);
        }
        .faq-item{
            background:var(--color-bg-white);
            border-radius:var(--radius-lg);
            border:1px solid var(--color-border);
            overflow:hidden;
            transition:all var(--transition-base);
        }
        .faq-item:hover{border-color:var(--color-border-strong)}
        .faq-item__question{
            display:flex;
            align-items:center;
            justify-content:space-between;
            width:100%;
            padding:var(--space-lg) var(--space-xl);
            background:none;
            border:none;
            cursor:pointer;
            font-size:var(--text-base);
            font-weight:600;
            color:var(--color-text-heading);
            text-align:left;
            gap:var(--space-md);
            transition:color var(--transition-fast);
        }
        .faq-item__question:hover{color:var(--color-primary)}
        .faq-item__arrow{
            flex-shrink:0;
            width:28px;
            height:28px;
            border-radius:50%;
            background:var(--color-bg-alt);
            display:flex;
            align-items:center;
            justify-content:center;
            transition:all var(--transition-base);
            font-size:var(--text-xs);
            color:var(--color-text-weak);
        }
        .faq-item__answer{
            max-height:0;
            overflow:hidden;
            transition:max-height var(--transition-slow),padding var(--transition-slow);
            padding:0 var(--space-xl);
        }
        .faq-item__answer-inner{
            padding-bottom:var(--space-lg);
            font-size:var(--text-sm);
            color:var(--color-text-weak);
            line-height:1.8;
        }
        .faq-item--open .faq-item__answer{
            max-height:300px;
            padding:0 var(--space-xl);
        }
        .faq-item--open .faq-item__arrow{
            transform:rotate(180deg);
            background:var(--color-primary-bg);
            color:var(--color-primary);
        }
        @media(max-width:768px){
            .faq-item__question{padding:var(--space-md) var(--space-lg);font-size:var(--text-sm)}
            .faq-item__answer{padding:0 var(--space-lg)}
            .faq-item--open .faq-item__answer{padding:0 var(--space-lg)}
        }

        /* ========== CTA 板块 ========== */
        .cta-section{
            background:linear-gradient(160deg,var(--color-bg-dark) 0%,#0f2624 50%,var(--color-bg-darker) 100%);
            position:relative;
            overflow:hidden;
            padding:var(--space-3xl) 0;
        }
        .cta-section::before{
            content:'';
            position:absolute;
            inset:0;
            background:url('/assets/images/backpic/back-2.png') center/cover no-repeat;
            opacity:0.12;
            pointer-events:none;
        }
        .cta-section::after{
            content:'';
            position:absolute;
            top:-50%;
            right:-20%;
            width:500px;
            height:500px;
            border-radius:50%;
            background:radial-gradient(circle,rgba(20,184,166,0.1) 0%,transparent 70%);
            pointer-events:none;
        }
        .cta-section .container{
            position:relative;
            z-index:1;
            text-align:center;
        }
        .cta-section__title{
            font-size:var(--text-3xl);
            font-weight:800;
            color:#fff;
            margin-bottom:var(--space-md);
            letter-spacing:-0.01em;
        }
        .cta-section__desc{
            font-size:var(--text-lg);
            color:var(--color-text-on-dark-weak);
            max-width:520px;
            margin:0 auto var(--space-xl);
        }
        .btn-cta{
            display:inline-flex;
            align-items:center;
            gap:8px;
            padding:14px 32px;
            border-radius:var(--radius-full);
            font-size:var(--text-base);
            font-weight:700;
            color:#fff;
            background:linear-gradient(135deg,var(--color-primary),var(--color-accent));
            border:none;
            cursor:pointer;
            transition:all var(--transition-base);
            box-shadow:0 4px 20px rgba(8,145,178,0.35);
            letter-spacing:0.01em;
        }
        .btn-cta:hover{
            transform:translateY(-2px);
            box-shadow:0 8px 30px rgba(8,145,178,0.45);
            color:#fff;
        }
        .btn-cta:active{transform:translateY(0)}
        @media(max-width:768px){
            .cta-section{padding:var(--space-2xl) 0}
            .cta-section__title{font-size:var(--text-2xl)}
            .cta-section__desc{font-size:var(--text-base)}
        }

        /* ========== Footer ========== */
        .site-footer{
            background:var(--color-bg-darker);
            color:var(--color-text-on-dark-weak);
            padding:var(--space-2xl) 0 var(--space-xl);
            margin-top:auto;
        }
        .footer-grid{
            display:grid;
            grid-template-columns:2fr 1fr 1fr 1fr;
            gap:var(--space-2xl);
            padding-bottom:var(--space-xl);
            border-bottom:1px solid rgba(255,255,255,0.08);
            margin-bottom:var(--space-xl);
        }
        .footer-brand{
            font-size:var(--text-xl);
            font-weight:700;
            color:#fff;
            margin-bottom:var(--space-sm);
        }
        .footer-desc{
            font-size:var(--text-sm);
            color:var(--color-text-on-dark-weak);
            line-height:1.7;
            max-width:320px;
        }
        .footer-col h4{
            font-size:var(--text-sm);
            font-weight:700;
            color:#fff;
            margin-bottom:var(--space-md);
            letter-spacing:0.03em;
        }
        .footer-col ul{display:flex;flex-direction:column;gap:var(--space-sm)}
        .footer-col ul li a{
            font-size:var(--text-sm);
            color:var(--color-text-on-dark-weak);
            transition:color var(--transition-fast);
        }
        .footer-col ul li a:hover{color:#fff}
        .footer-bottom{
            display:flex;
            justify-content:space-between;
            align-items:center;
            flex-wrap:wrap;
            gap:var(--space-sm);
            font-size:var(--text-xs);
            color:rgba(255,255,255,0.3);
        }
        @media(max-width:768px){
            .footer-grid{grid-template-columns:1fr 1fr;gap:var(--space-xl)}
            .footer-desc{max-width:100%}
        }
        @media(max-width:520px){
            .footer-grid{grid-template-columns:1fr}
            .footer-bottom{flex-direction:column;text-align:center}
        }

        /* ========== 工具类 ========== */
        .text-center{text-align:center}
        .mt-lg{margin-top:var(--space-lg)}
        .mt-xl{margin-top:var(--space-xl)}
        .mb-lg{margin-bottom:var(--space-lg)}
        .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}

        /* ========== 打印样式 ========== */
        @media print{
            .site-header,.mobile-menu,.breadcrumb-bar,.cta-section,.site-footer{display:none}
            body{background:#fff;color:#000}
            .container{max-width:100%;padding:0}
            .section{padding:16px 0}
            .data-table-wrapper{border:1px solid #ccc;box-shadow:none}
        }