/* roulang page: index */
/* ============================================
           设计变量
           ============================================ */
        :root {
            --color-primary: #0b1e30;
            --color-primary-light: #132d45;
            --color-primary-dark: #060f1a;
            --color-accent: #00c853;
            --color-accent-hover: #00a844;
            --color-accent-light: #e8f9ef;
            --color-gold: #f5a623;
            --color-gold-light: #fff8ed;
            --color-bg: #f4f5f7;
            --color-bg-alt: #eef0f4;
            --color-surface: #ffffff;
            --color-text: #1a1d28;
            --color-text-secondary: #5a6070;
            --color-text-weak: #8b919e;
            --color-border: #e2e6ed;
            --color-border-light: #eef0f4;
            --color-danger: #e53935;
            --color-danger-bg: #fef2f2;
            --radius-sm: 6px;
            --radius-md: 10px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --radius-full: 999px;
            --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-xl: 0 16px 48px rgba(0,0,0,0.12);
            --shadow-card-hover: 0 12px 36px rgba(0,0,0,0.13);
            --font-sans: 'PingFang SC','Microsoft YaHei','Hiragino Sans GB','Noto Sans SC',system-ui,-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,sans-serif;
            --font-mono: 'SF Mono','Cascadia Code','Consolas','Monaco',monospace;
            --transition-fast: 0.15s ease;
            --transition-normal: 0.25s ease;
            --transition-slow: 0.35s cubic-bezier(0.4, 0, 0.2, 1);
            --max-width: 1280px;
            --nav-height-desktop: 128px;
            --nav-height-mobile: 100px;
            --header-brand-height: 60px;
            --header-channel-height: 48px;
        }

        /* ============================================
           基础 Reset & Base
           ============================================ */
        *,*::before,*::after{box-sizing:border-box;margin:0;padding:0;}
        html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;text-size-adjust:100%;}
        body{
            font-family:var(--font-sans);
            font-size:16px;
            line-height:1.65;
            color:var(--color-text);
            background-color:var(--color-bg);
            -webkit-font-smoothing:antialiased;
            -moz-osx-font-smoothing:grayscale;
            overflow-x:hidden;
            min-height:100vh;
        }
        a{color:inherit;text-decoration:none;transition:color var(--transition-fast);}
        a:hover{color:var(--color-accent);}
        img{max-width:100%;height:auto;display:block;}
        button,input,select,textarea{font-family:inherit;font-size:inherit;line-height:inherit;}
        button{cursor:pointer;border:none;background:none;}
        ul,ol{list-style:none;}
        :focus-visible{outline:2px solid var(--color-accent);outline-offset:3px;border-radius:var(--radius-sm);}
        h1,h2,h3,h4,h5,h6{line-height:1.25;font-weight:700;color:var(--color-text);}
        h1{font-size:clamp(1.75rem,4vw,2.75rem);}
        h2{font-size:clamp(1.4rem,3vw,2rem);}
        h3{font-size:clamp(1.15rem,2vw,1.45rem);}
        h4{font-size:1.1rem;}
        ::selection{background:var(--color-accent);color:#fff;}
        ::-webkit-scrollbar{width:6px;height:6px;}
        ::-webkit-scrollbar-track{background:transparent;}
        ::-webkit-scrollbar-thumb{background:#c4c9d2;border-radius:var(--radius-full);}
        ::-webkit-scrollbar-thumb:hover{background:#a0a6b0;}

        /* ============================================
           容器
           ============================================ */
        .container{
            width:100%;
            max-width:var(--max-width);
            margin:0 auto;
            padding-left:1.25rem;
            padding-right:1.25rem;
        }
        @media(min-width:640px){
            .container{padding-left:1.5rem;padding-right:1.5rem;}
        }
        @media(min-width:1024px){
            .container{padding-left:2rem;padding-right:2rem;}
        }
        @media(min-width:1280px){
            .container{padding-left:2.5rem;padding-right:2.5rem;}
        }

        /* ============================================
           板块通用间距
           ============================================ */
        .section{padding:3rem 0;}
        @media(min-width:640px){.section{padding:3.5rem 0;}}
        @media(min-width:768px){.section{padding:4.5rem 0;}}
        @media(min-width:1024px){.section{padding:5rem 0;}}
        .section-sm{padding:2rem 0;}
        @media(min-width:768px){.section-sm{padding:3rem 0;}}
        .section-lg{padding:3.5rem 0;}
        @media(min-width:768px){.section-lg{padding:5.5rem 0;}}
        @media(min-width:1024px){.section-lg{padding:6.5rem 0;}}

        /* ============================================
           板块标题
           ============================================ */
        .section-header{text-align:center;margin-bottom:2.25rem;}
        @media(min-width:768px){.section-header{margin-bottom:3rem;}}
        .section-header .section-tag{
            display:inline-block;
            font-size:0.8rem;
            font-weight:600;
            letter-spacing:0.06em;
            text-transform:uppercase;
            color:var(--color-accent);
            background:var(--color-accent-light);
            padding:0.35em 1em;
            border-radius:var(--radius-full);
            margin-bottom:0.75rem;
        }
        .section-header h2{
            margin-bottom:0.5rem;
            color:var(--color-primary);
        }
        .section-header .section-subtitle{
            color:var(--color-text-secondary);
            font-size:1rem;
            max-width:600px;
            margin:0 auto;
            line-height:1.6;
        }
        @media(min-width:768px){
            .section-header .section-subtitle{font-size:1.08rem;}
        }

        /* ============================================
           Header / 导航 - 杂志频道风格
           ============================================ */
        .site-header{
            position:sticky;
            top:0;
            z-index:1000;
            background:#fff;
            box-shadow:var(--shadow-sm);
            border-bottom:1px solid var(--color-border-light);
            width:100%;
        }
        .header-brand-row{
            background:var(--color-primary);
            padding:0;
            height:var(--header-brand-height);
            display:flex;
            align-items:center;
        }
        .header-brand-row .container{
            display:flex;
            align-items:center;
            justify-content:space-between;
            height:100%;
            gap:1rem;
        }
        .header-logo{
            display:flex;
            align-items:center;
            gap:0.55rem;
            font-weight:800;
            font-size:1.15rem;
            color:#fff;
            white-space:nowrap;
            letter-spacing:0.02em;
            flex-shrink:0;
        }
        .header-logo .logo-icon{
            width:36px;
            height:36px;
            background:var(--color-accent);
            border-radius:var(--radius-md);
            display:flex;
            align-items:center;
            justify-content:center;
            font-size:1.15rem;
            color:#fff;
            flex-shrink:0;
        }
        .header-logo:hover{color:#fff;opacity:0.9;}
        .header-search-wrap{
            display:none;
            position:relative;
            flex:1;
            max-width:340px;
        }
        @media(min-width:768px){
            .header-search-wrap{display:block;}
        }
        .header-search-wrap input{
            width:100%;
            padding:0.5rem 1rem 0.5rem 2.5rem;
            border-radius:var(--radius-full);
            border:2px solid transparent;
            background:rgba(255,255,255,0.15);
            color:#fff;
            font-size:0.9rem;
            transition:all var(--transition-normal);
            outline:none;
        }
        .header-search-wrap input::placeholder{color:rgba(255,255,255,0.55);}
        .header-search-wrap input:focus{
            background:rgba(255,255,255,0.22);
            border-color:rgba(255,255,255,0.4);
            outline:none;
            box-shadow:0 0 0 4px rgba(255,255,255,0.06);
        }
        .header-search-wrap .search-icon{
            position:absolute;
            left:0.85rem;
            top:50%;
            transform:translateY(-50%);
            color:rgba(255,255,255,0.6);
            font-size:0.9rem;
            pointer-events:none;
        }
        .header-live-badge{
            display:flex;
            align-items:center;
            gap:0.4rem;
            background:var(--color-danger);
            color:#fff;
            padding:0.4rem 0.85rem;
            border-radius:var(--radius-full);
            font-size:0.78rem;
            font-weight:700;
            white-space:nowrap;
            animation:pulse-live 2s ease-in-out infinite;
            flex-shrink:0;
        }
        @keyframes pulse-live{
            0%,100%{box-shadow:0 0 0 0 rgba(229,57,53,0.5);}
            50%{box-shadow:0 0 0 10px rgba(229,57,53,0);}
        }
        .header-live-badge .live-dot{
            width:8px;height:8px;
            background:#fff;
            border-radius:50%;
            flex-shrink:0;
        }

        /* 频道行 */
        .header-channel-row{
            background:#fff;
            border-top:1px solid var(--color-border-light);
            height:var(--header-channel-height);
            display:flex;
            align-items:center;
            overflow-x:auto;
            -webkit-overflow-scrolling:touch;
            scrollbar-width:none;
        }
        .header-channel-row::-webkit-scrollbar{display:none;}
        .header-channel-row .container{
            display:flex;
            align-items:center;
            gap:0.15rem;
            height:100%;
            flex-wrap:nowrap;
        }
        .channel-nav-link{
            display:inline-flex;
            align-items:center;
            padding:0.45rem 1rem;
            border-radius:var(--radius-full);
            font-size:0.9rem;
            font-weight:500;
            color:var(--color-text-secondary);
            white-space:nowrap;
            transition:all var(--transition-fast);
            cursor:pointer;
            flex-shrink:0;
            letter-spacing:0.01em;
        }
        .channel-nav-link:hover{
            color:var(--color-primary);
            background:var(--color-bg);
        }
        .channel-nav-link.active{
            color:#fff;
            background:var(--color-accent);
            font-weight:600;
            box-shadow:0 2px 8px rgba(0,200,83,0.25);
        }
        .channel-nav-link .nav-icon{
            margin-right:0.35rem;
            font-size:0.8rem;
        }

        /* 移动端菜单按钮 */
        .mobile-menu-btn{
            display:flex;
            align-items:center;
            justify-content:center;
            width:38px;height:38px;
            border-radius:var(--radius-sm);
            color:#fff;
            font-size:1.3rem;
            flex-shrink:0;
        }
        @media(min-width:768px){
            .mobile-menu-btn{display:none;}
        }
        .mobile-menu-btn:hover{background:rgba(255,255,255,0.1);}

        /* ============================================
           Hero 首屏板块
           ============================================ */
        .hero-section{
            position:relative;
            background:linear-gradient(160deg,var(--color-primary) 0%,var(--color-primary-light) 40%,#0d2840 100%);
            color:#fff;
            padding:3.5rem 0;
            overflow:hidden;
        }
        @media(min-width:768px){.hero-section{padding:5rem 0;}}
        @media(min-width:1024px){.hero-section{padding:6rem 0;}}
        .hero-section::before{
            content:'';
            position:absolute;
            top:-30%;
            right:-15%;
            width:600px;
            height:600px;
            background:radial-gradient(circle,rgba(0,200,83,0.12) 0%,transparent 70%);
            border-radius:50%;
            pointer-events:none;
        }
        .hero-section::after{
            content:'';
            position:absolute;
            bottom:-20%;
            left:-10%;
            width:500px;
            height:500px;
            background:radial-gradient(circle,rgba(245,166,35,0.08) 0%,transparent 70%);
            border-radius:50%;
            pointer-events:none;
        }
        .hero-section .container{position:relative;z-index:1;}
        .hero-grid{
            display:grid;
            grid-template-columns:1fr;
            gap:2rem;
            align-items:center;
        }
        @media(min-width:768px){
            .hero-grid{grid-template-columns:1.1fr 0.9fr;gap:3rem;}
        }
        @media(min-width:1024px){
            .hero-grid{grid-template-columns:1.2fr 0.8fr;gap:4rem;}
        }
        .hero-badge{
            display:inline-flex;
            align-items:center;
            gap:0.45rem;
            background:rgba(255,255,255,0.1);
            border:1px solid rgba(255,255,255,0.2);
            padding:0.4rem 1rem;
            border-radius:var(--radius-full);
            font-size:0.85rem;
            font-weight:500;
            margin-bottom:1.25rem;
            letter-spacing:0.02em;
        }
        .hero-badge .badge-dot{
            width:7px;height:7px;
            background:var(--color-accent);
            border-radius:50%;
            animation:pulse-live 2s ease-in-out infinite;
        }
        .hero-section h1{
            color:#fff;
            font-size:clamp(1.8rem,5vw,2.8rem);
            font-weight:800;
            line-height:1.2;
            margin-bottom:1rem;
            letter-spacing:-0.01em;
        }
        .hero-section h1 .highlight{
            color:var(--color-accent);
            position:relative;
        }
        .hero-section .hero-desc{
            color:rgba(255,255,255,0.78);
            font-size:1.05rem;
            line-height:1.7;
            margin-bottom:1.75rem;
            max-width:520px;
        }
        @media(min-width:768px){.hero-section .hero-desc{font-size:1.1rem;}}
        .hero-btns{display:flex;flex-wrap:wrap;gap:0.75rem;align-items:center;}
        .btn{
            display:inline-flex;
            align-items:center;
            gap:0.45rem;
            padding:0.7rem 1.6rem;
            border-radius:var(--radius-full);
            font-weight:600;
            font-size:0.95rem;
            letter-spacing:0.01em;
            transition:all var(--transition-normal);
            white-space:nowrap;
            cursor:pointer;
            text-align:center;
            justify-content:center;
        }
        .btn-accent{
            background:var(--color-accent);
            color:#fff;
            box-shadow:0 4px 16px rgba(0,200,83,0.3);
        }
        .btn-accent:hover{
            background:var(--color-accent-hover);
            color:#fff;
            box-shadow:0 6px 24px rgba(0,200,83,0.4);
            transform:translateY(-1px);
        }
        .btn-outline{
            background:transparent;
            color:#fff;
            border:2px solid rgba(255,255,255,0.35);
        }
        .btn-outline:hover{
            background:rgba(255,255,255,0.1);
            border-color:rgba(255,255,255,0.6);
            color:#fff;
            transform:translateY(-1px);
        }
        .btn-white{
            background:#fff;
            color:var(--color-primary);
            box-shadow:var(--shadow-md);
        }
        .btn-white:hover{
            background:#f0f0f0;
            color:var(--color-primary);
            box-shadow:var(--shadow-lg);
            transform:translateY(-1px);
        }
        .btn-sm{padding:0.5rem 1.2rem;font-size:0.85rem;}
        .btn-lg{padding:0.85rem 2rem;font-size:1.05rem;}
        .hero-stats-row{
            display:flex;
            flex-wrap:wrap;
            gap:1.5rem;
            margin-top:1.5rem;
            padding-top:1.25rem;
            border-top:1px solid rgba(255,255,255,0.12);
        }
        .hero-stat-item{text-align:left;}
        .hero-stat-item .stat-num{
            font-size:1.5rem;
            font-weight:800;
            color:var(--color-accent);
            line-height:1;
        }
        .hero-stat-item .stat-label{
            font-size:0.8rem;
            color:rgba(255,255,255,0.6);
            margin-top:0.25rem;
        }
        .hero-visual{
            display:flex;
            align-items:center;
            justify-content:center;
            position:relative;
        }
        .hero-card-preview{
            background:#fff;
            border-radius:var(--radius-lg);
            padding:1.5rem;
            box-shadow:var(--shadow-xl);
            width:100%;
            max-width:340px;
            color:var(--color-text);
            position:relative;
            z-index:2;
        }
        .hero-card-preview .preview-header{
            display:flex;
            align-items:center;
            gap:0.5rem;
            margin-bottom:1rem;
            padding-bottom:0.75rem;
            border-bottom:2px solid var(--color-bg);
        }
        .preview-live-tag{
            background:var(--color-danger);
            color:#fff;
            font-size:0.7rem;
            font-weight:700;
            padding:0.25em 0.7em;
            border-radius:var(--radius-full);
            letter-spacing:0.04em;
        }
        .preview-match{
            text-align:center;
            padding:0.75rem 0;
        }
        .preview-teams{
            display:flex;
            align-items:center;
            justify-content:center;
            gap:1rem;
            font-weight:700;
            font-size:1.1rem;
        }
        .preview-vs{
            color:var(--color-text-weak);
            font-size:0.85rem;
        }
        .preview-score{
            font-size:2rem;
            font-weight:800;
            color:var(--color-primary);
            margin:0.3rem 0;
            letter-spacing:0.08em;
        }
        .preview-cta{
            display:block;
            width:100%;
            text-align:center;
            padding:0.6rem;
            background:var(--color-accent);
            color:#fff;
            border-radius:var(--radius-full);
            font-weight:600;
            font-size:0.9rem;
            margin-top:0.75rem;
            transition:all var(--transition-fast);
        }
        .preview-cta:hover{background:var(--color-accent-hover);color:#fff;}
        .hero-floating-dots{
            position:absolute;
            width:120px;height:120px;
            border:2px dashed rgba(255,255,255,0.2);
            border-radius:50%;
            top:-20px;
            right:-30px;
            z-index:1;
            pointer-events:none;
        }

        /* ============================================
           特色亮点板块
           ============================================ */
        .features-section{
            background:var(--color-surface);
            position:relative;
            z-index:2;
            margin-top:-2rem;
            border-radius:var(--radius-xl) var(--radius-xl) 0 0;
        }
        .features-grid{
            display:grid;
            grid-template-columns:1fr;
            gap:1.25rem;
        }
        @media(min-width:520px){.features-grid{grid-template-columns:repeat(2,1fr);gap:1.25rem;}}
        @media(min-width:1024px){.features-grid{grid-template-columns:repeat(4,1fr);gap:1.5rem;}}
        .feature-card{
            background:#fff;
            border:1px solid var(--color-border-light);
            border-radius:var(--radius-lg);
            padding:1.5rem;
            text-align:center;
            transition:all var(--transition-slow);
            position:relative;
            overflow:hidden;
        }
        .feature-card::before{
            content:'';
            position:absolute;
            top:0;left:0;right:0;
            height:4px;
            background:var(--color-accent);
            border-radius:0 0 var(--radius-sm) var(--radius-sm);
            transform:scaleX(0);
            transition:transform var(--transition-slow);
        }
        .feature-card:hover{
            box-shadow:var(--shadow-card-hover);
            transform:translateY(-4px);
            border-color:transparent;
        }
        .feature-card:hover::before{transform:scaleX(1);}
        .feature-card .feature-icon{
            width:56px;height:56px;
            border-radius:var(--radius-md);
            display:flex;
            align-items:center;
            justify-content:center;
            margin:0 auto 1rem;
            font-size:1.5rem;
            background:var(--color-accent-light);
            color:var(--color-accent);
            transition:all var(--transition-normal);
        }
        .feature-card:hover .feature-icon{
            background:var(--color-accent);
            color:#fff;
            transform:scale(1.08);
        }
        .feature-card h3{font-size:1.05rem;margin-bottom:0.4rem;}
        .feature-card p{color:var(--color-text-secondary);font-size:0.9rem;line-height:1.55;}

        /* ============================================
           赛事直播列表板块
           ============================================ */
        .matches-section{background:var(--color-bg);}
        .matches-grid{
            display:grid;
            grid-template-columns:1fr;
            gap:1rem;
        }
        @media(min-width:640px){.matches-grid{grid-template-columns:repeat(2,1fr);gap:1.25rem;}}
        @media(min-width:1024px){.matches-grid{grid-template-columns:repeat(3,1fr);gap:1.5rem;}}
        .match-card{
            background:#fff;
            border-radius:var(--radius-lg);
            padding:1.25rem;
            box-shadow:var(--shadow-xs);
            border:1px solid var(--color-border-light);
            transition:all var(--transition-normal);
            display:flex;
            flex-direction:column;
            gap:0.75rem;
        }
        .match-card:hover{
            box-shadow:var(--shadow-md);
            transform:translateY(-2px);
            border-color:var(--color-border);
        }
        .match-card .match-status{
            display:flex;
            align-items:center;
            justify-content:space-between;
            gap:0.5rem;
        }
        .match-status-tag{
            font-size:0.75rem;
            font-weight:700;
            padding:0.25em 0.7em;
            border-radius:var(--radius-full);
            letter-spacing:0.03em;
        }
        .tag-live{background:var(--color-danger-bg);color:var(--color-danger);}
        .tag-upcoming{background:var(--color-gold-light);color:var(--color-gold);}
        .tag-finished{background:var(--color-bg-alt);color:var(--color-text-weak);}
        .match-time{
            font-size:0.8rem;
            color:var(--color-text-weak);
            font-weight:500;
        }
        .match-teams-row{
            display:flex;
            align-items:center;
            justify-content:space-between;
            gap:0.5rem;
        }
        .match-team{
            font-weight:700;
            font-size:0.95rem;
            text-align:center;
            flex:1;
            line-height:1.3;
        }
        .match-vs-badge{
            font-weight:800;
            font-size:0.85rem;
            color:var(--color-text-weak);
            flex-shrink:0;
        }
        .match-info-row{
            display:flex;
            align-items:center;
            justify-content:space-between;
            font-size:0.78rem;
            color:var(--color-text-weak);
        }
        .match-watch-btn{
            display:block;
            width:100%;
            text-align:center;
            padding:0.55rem;
            border-radius:var(--radius-full);
            font-weight:600;
            font-size:0.88rem;
            background:var(--color-accent);
            color:#fff;
            transition:all var(--transition-fast);
            letter-spacing:0.01em;
        }
        .match-watch-btn:hover{
            background:var(--color-accent-hover);
            color:#fff;
            box-shadow:0 4px 14px rgba(0,200,83,0.3);
        }

        /* ============================================
           观看指南 / 步骤板块
           ============================================ */
        .steps-section{background:var(--color-surface);}
        .steps-list{
            display:grid;
            grid-template-columns:1fr;
            gap:2rem;
            counter-reset:step-counter;
        }
        @media(min-width:640px){.steps-list{grid-template-columns:repeat(2,1fr);gap:2rem;}}
        @media(min-width:1024px){.steps-list{grid-template-columns:repeat(3,1fr);gap:2.5rem;}}
        .step-item{
            position:relative;
            padding:2rem 1.5rem 1.5rem;
            background:#fff;
            border-radius:var(--radius-lg);
            border:1px solid var(--color-border-light);
            text-align:center;
            transition:all var(--transition-normal);
        }
        .step-item:hover{
            box-shadow:var(--shadow-lg);
            transform:translateY(-3px);
        }
        .step-item .step-number{
            width:48px;height:48px;
            border-radius:50%;
            background:var(--color-primary);
            color:#fff;
            font-weight:800;
            font-size:1.2rem;
            display:flex;
            align-items:center;
            justify-content:center;
            margin:0 auto 1rem;
            position:relative;
            z-index:1;
        }
        .step-item h3{margin-bottom:0.4rem;font-size:1.05rem;}
        .step-item p{color:var(--color-text-secondary);font-size:0.9rem;line-height:1.55;}

        /* ============================================
           数据统计板块
           ============================================ */
        .stats-section{
            background:var(--color-primary);
            color:#fff;
            position:relative;
            overflow:hidden;
        }
        .stats-section::before{
            content:'';
            position:absolute;
            inset:0;
            background:url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.03'%3E%3Ccircle cx='30' cy='30' r='1.5'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
            pointer-events:none;
        }
        .stats-section .container{position:relative;z-index:1;}
        .stats-section .section-header h2{color:#fff;}
        .stats-section .section-header .section-subtitle{color:rgba(255,255,255,0.65);}
        .stats-grid{
            display:grid;
            grid-template-columns:repeat(2,1fr);
            gap:1.5rem;
        }
        @media(min-width:640px){.stats-grid{grid-template-columns:repeat(2,1fr);gap:1.5rem;}}
        @media(min-width:768px){.stats-grid{grid-template-columns:repeat(4,1fr);gap:2rem;}}
        .stat-card{
            text-align:center;
            padding:1.5rem 1rem;
            background:rgba(255,255,255,0.05);
            border-radius:var(--radius-lg);
            border:1px solid rgba(255,255,255,0.08);
            transition:all var(--transition-normal);
        }
        .stat-card:hover{
            background:rgba(255,255,255,0.1);
            transform:translateY(-2px);
        }
        .stat-card .stat-value{
            font-size:2.2rem;
            font-weight:800;
            color:var(--color-accent);
            line-height:1;
            margin-bottom:0.3rem;
        }
        @media(min-width:768px){.stat-card .stat-value{font-size:2.6rem;}}
        .stat-card .stat-unit{
            font-size:1rem;
            font-weight:400;
            color:rgba(255,255,255,0.5);
        }
        .stat-card .stat-desc{
            font-size:0.85rem;
            color:rgba(255,255,255,0.6);
            margin-top:0.3rem;
        }

        /* ============================================
           热门赛事 / 资讯卡片板块
           ============================================ */
        .hot-section{background:var(--color-bg);}
        .hot-grid{
            display:grid;
            grid-template-columns:1fr;
            gap:1.25rem;
        }
        @media(min-width:640px){.hot-grid{grid-template-columns:repeat(2,1fr);gap:1.5rem;}}
        @media(min-width:1024px){.hot-grid{grid-template-columns:repeat(3,1fr);gap:1.5rem;}}
        .hot-card{
            background:#fff;
            border-radius:var(--radius-lg);
            overflow:hidden;
            box-shadow:var(--shadow-xs);
            border:1px solid var(--color-border-light);
            transition:all var(--transition-normal);
        }
        .hot-card:hover{
            box-shadow:var(--shadow-lg);
            transform:translateY(-3px);
            border-color:transparent;
        }
        .hot-card-img{
            height:160px;
            background:linear-gradient(135deg,var(--color-primary-light) 0%,var(--color-primary) 100%);
            display:flex;
            align-items:center;
            justify-content:center;
            font-size:3rem;
            color:rgba(255,255,255,0.3);
            position:relative;
            overflow:hidden;
        }
        .hot-card-img .hot-overlay-tag{
            position:absolute;
            top:0.75rem;
            left:0.75rem;
            background:var(--color-accent);
            color:#fff;
            font-size:0.7rem;
            font-weight:700;
            padding:0.3em 0.75em;
            border-radius:var(--radius-full);
            letter-spacing:0.04em;
        }
        .hot-card-body{padding:1.25rem;}
        .hot-card-body h3{font-size:1rem;margin-bottom:0.4rem;line-height:1.4;}
        .hot-card-body p{color:var(--color-text-secondary);font-size:0.85rem;line-height:1.5;margin-bottom:0.75rem;}
        .hot-card-meta{
            display:flex;
            align-items:center;
            justify-content:space-between;
            font-size:0.78rem;
            color:var(--color-text-weak);
            padding-top:0.6rem;
            border-top:1px solid var(--color-border-light);
        }

        /* ============================================
           FAQ 板块
           ============================================ */
        .faq-section{background:var(--color-surface);}
        .faq-list{
            max-width:800px;
            margin:0 auto;
            display:flex;
            flex-direction:column;
            gap:0.6rem;
        }
        .faq-item{
            background:#fff;
            border:1px solid var(--color-border-light);
            border-radius:var(--radius-md);
            overflow:hidden;
            transition:all var(--transition-fast);
        }
        .faq-item:hover{border-color:var(--color-border);}
        .faq-question{
            width:100%;
            display:flex;
            align-items:center;
            justify-content:space-between;
            gap:1rem;
            padding:1.1rem 1.25rem;
            font-weight:600;
            font-size:0.95rem;
            text-align:left;
            color:var(--color-text);
            background:transparent;
            cursor:pointer;
            transition:all var(--transition-fast);
            border:none;
            outline:none;
        }
        .faq-question:hover{color:var(--color-accent);}
        .faq-question:focus-visible{outline:2px solid var(--color-accent);outline-offset:-2px;border-radius:0;}
        .faq-question .faq-icon{
            flex-shrink:0;
            transition:transform var(--transition-normal);
            color:var(--color-text-weak);
            font-size:0.8rem;
        }
        .faq-item.open .faq-question .faq-icon{transform:rotate(180deg);color:var(--color-accent);}
        .faq-answer{
            max-height:0;
            overflow:hidden;
            transition:max-height var(--transition-slow),padding var(--transition-slow);
        }
        .faq-item.open .faq-answer{
            max-height:300px;
            padding:0 1.25rem 1.1rem;
        }
        .faq-answer p{
            color:var(--color-text-secondary);
            font-size:0.9rem;
            line-height:1.65;
        }

        /* ============================================
           CTA 板块
           ============================================ */
        .cta-section{
            background:linear-gradient(150deg,var(--color-accent) 0%,#00b04a 60%,#009940 100%);
            color:#fff;
            text-align:center;
            position:relative;
            overflow:hidden;
        }
        .cta-section::before{
            content:'';
            position:absolute;
            width:400px;height:400px;
            background:radial-gradient(circle,rgba(255,255,255,0.1) 0%,transparent 70%);
            border-radius:50%;
            top:-100px;
            right:-80px;
            pointer-events:none;
        }
        .cta-section .container{position:relative;z-index:1;}
        .cta-section h2{color:#fff;font-size:clamp(1.4rem,3vw,1.9rem);margin-bottom:0.6rem;}
        .cta-section .cta-desc{
            color:rgba(255,255,255,0.85);
            font-size:1rem;
            max-width:550px;
            margin:0 auto 1.5rem;
            line-height:1.6;
        }
        .btn-cta-large{
            display:inline-flex;
            align-items:center;
            gap:0.5rem;
            padding:0.9rem 2.2rem;
            border-radius:var(--radius-full);
            font-weight:700;
            font-size:1.05rem;
            background:#fff;
            color:var(--color-accent);
            box-shadow:0 6px 24px rgba(0,0,0,0.15);
            transition:all var(--transition-normal);
            letter-spacing:0.02em;
        }
        .btn-cta-large:hover{
            background:#f8f8f8;
            color:var(--color-accent);
            box-shadow:0 10px 32px rgba(0,0,0,0.2);
            transform:translateY(-2px);
        }

        /* ============================================
           页脚
           ============================================ */
        .site-footer{
            background:var(--color-primary-dark);
            color:rgba(255,255,255,0.7);
            padding:2.5rem 0 1.5rem;
            font-size:0.88rem;
        }
        @media(min-width:768px){.site-footer{padding:3.5rem 0 2rem;}}
        .footer-grid{
            display:grid;
            grid-template-columns:1fr;
            gap:2rem;
            margin-bottom:2rem;
        }
        @media(min-width:640px){.footer-grid{grid-template-columns:1.5fr 1fr 1fr;gap:2rem;}}
        @media(min-width:1024px){.footer-grid{grid-template-columns:2fr 1fr 1fr 1fr;gap:3rem;}}
        .footer-brand .footer-logo{
            font-weight:800;font-size:1.1rem;color:#fff;margin-bottom:0.5rem;display:flex;align-items:center;gap:0.4rem;
        }
        .footer-brand p{font-size:0.85rem;line-height:1.6;color:rgba(255,255,255,0.55);}
        .footer-col h4{
            color:#fff;font-size:0.9rem;font-weight:700;margin-bottom:0.8rem;letter-spacing:0.02em;
        }
        .footer-col ul{display:flex;flex-direction:column;gap:0.45rem;}
        .footer-col ul li a{
            color:rgba(255,255,255,0.6);font-size:0.85rem;transition:color var(--transition-fast);
        }
        .footer-col ul li a:hover{color:var(--color-accent);}
        .footer-bottom{
            border-top:1px solid rgba(255,255,255,0.1);
            padding-top:1.25rem;
            display:flex;
            flex-direction:column;
            gap:0.5rem;
            align-items:center;
            text-align:center;
            font-size:0.8rem;
            color:rgba(255,255,255,0.4);
        }
        @media(min-width:640px){
            .footer-bottom{flex-direction:row;justify-content:space-between;text-align:left;}
        }

        /* ============================================
           辅助组件
           ============================================ */
        .divider{width:100%;height:1px;background:var(--color-border-light);margin:0;}
        .text-center{text-align:center;}
        .text-accent{color:var(--color-accent);}
        .mb-1{margin-bottom:0.5rem;}
        .mb-2{margin-bottom:1rem;}
        .mb-3{margin-bottom:1.5rem;}
        .mt-2{margin-top:1rem;}
        .mt-3{margin-top:1.5rem;}

        /* ============================================
           响应式修复与 Foundation 覆盖
           ============================================ */
        @media(max-width:767px){
            .header-channel-row .container{gap:0;}
            .channel-nav-link{padding:0.4rem 0.75rem;font-size:0.82rem;}
            .hero-floating-dots{display:none;}
            .hero-card-preview{max-width:280px;}
            .hero-stats-row{gap:1rem;}
            .hero-stat-item .stat-num{font-size:1.25rem;}
            .feature-card{padding:1.25rem;}
            .match-card{padding:1rem;}
            .step-item{padding:1.5rem 1rem 1.25rem;}
            .stat-card{padding:1.25rem 0.75rem;}
            .stat-card .stat-value{font-size:1.7rem;}
            .hot-card-img{height:130px;}
            .faq-question{padding:0.9rem 1rem;font-size:0.9rem;}
        }
        @media(max-width:519px){
            .features-grid{grid-template-columns:1fr;}
            .matches-grid{grid-template-columns:1fr;}
            .steps-list{grid-template-columns:1fr;}
            .hot-grid{grid-template-columns:1fr;}
            .stats-grid{grid-template-columns:1fr 1fr;gap:0.75rem;}
            .hero-btns{flex-direction:column;width:100%;}
            .hero-btns .btn{width:100%;justify-content:center;}
            .header-logo{font-size:1rem;}
            .header-logo .logo-icon{width:30px;height:30px;font-size:1rem;}
            .header-live-badge{font-size:0.7rem;padding:0.3rem 0.6rem;}
        }
        @media(min-width:1024px){
            .feature-card{padding:1.75rem 1.5rem;}
            .match-card{padding:1.5rem;}
            .hot-card-img{height:180px;}
        }
        /* Foundation 覆盖 */
        .grid-container{padding:0;}
        .grid-container>.grid-x>.cell{padding:0;}
        .foundation-grid-override .cell{margin:0;}
        /* 确保 Foundation 组件不影响自定义设计 */
        .top-bar,.top-bar ul{background:transparent;}
        .menu>li>a{color:inherit;padding:0.45rem 1rem;font-weight:500;}
        .menu>li>a:hover{color:var(--color-accent);}