:root{
        --c1:#94a3b8;
        --c2:#475569;
        --c3:#64748b;
        --bg:#f5f7fa;
        --card:#ffffff;
        --line:#e2e8f0;
        --text:#334155;
        --muted:#64748b;
    }
    *,*::before,*::after{
        box-sizing:border-box;
        font-family:"Segoe UI","Helvetica Neue",Arial,"Microsoft YaHei","微软雅黑","PingFang SC",sans-serif;
    }
    html{scroll-behavior:smooth;}
    body{
        margin:0;
        background:var(--bg);
        color:var(--text);
        font-family:"Segoe UI","Helvetica Neue",Arial,"Microsoft YaHei","微软雅黑","PingFang SC",sans-serif;
        line-height:1.75;
        font-size:16px;
        -webkit-font-smoothing:antialiased;
    }
    img{display:block;max-width:100%;height:auto;}
    a{color:inherit;text-decoration:none;}
    h1,h2,h3,h4,p,ul,ol,li,figure{margin:0;padding:0;}
    ul,ol{list-style:none;}
    .container{
        width:100%;
        max-width:1160px;
        margin:0 auto;
        padding:0 20px;
    }
    /* Header */
    header.site-header{
        position:sticky;
        top:0;
        z-index:200;
        background:linear-gradient(135deg,#94a3b8 0%,#64748b 55%,#475569 100%);
        box-shadow:0 2px 14px rgba(71,85,105,.22);
    }
    .header-inner{
        display:flex;
        align-items:center;
        justify-content:space-between;
        gap:18px;
        min-height:66px;
        flex-wrap:wrap;
        padding:10px 0;
    }
    .logo{
        display:flex;
        align-items:center;
        gap:10px;
        color:#fff;
        font-size:19px;
        font-weight:700;
        letter-spacing:.5px;
    }
    .logo .mark{
        width:34px;
        height:34px;
        border-radius:9px;
        background:rgba(255,255,255,.18);
        border:1px solid rgba(255,255,255,.38);
        display:flex;
        align-items:center;
        justify-content:center;
        font-size:16px;
    }
    .nav-links{
        display:flex;
        align-items:center;
        gap:6px;
        flex-wrap:wrap;
    }
    .nav-links a{
        color:#f8fafc;
        font-size:15px;
        padding:8px 14px;
        border-radius:8px;
        transition:background .2s ease,color .2s ease;
        white-space:nowrap;
    }
    .nav-links a:hover{
        background:rgba(255,255,255,.2);
        color:#fff;
    }
    /* Sections */
    section{padding:56px 0;}
    .section-head{
        text-align:center;
        margin-bottom:34px;
    }
    .section-head h2{
        font-size:26px;
        color:#1e293b;
        font-weight:700;
        letter-spacing:.5px;
    }
    .section-head p{
        color:var(--muted);
        font-size:15px;
        margin-top:8px;
    }
    .section-head .rule{
        width:56px;
        height:3px;
        border-radius:3px;
        background:linear-gradient(90deg,#94a3b8,#475569);
        margin:14px auto 0;
    }
    /* Hero */
    #hero{
        background:linear-gradient(160deg,#eef2f6 0%,#ffffff 60%,#f1f5f9 100%);
        padding:64px 0 56px;
        border-bottom:1px solid var(--line);
    }
    .hero-grid{
        display:grid;
        grid-template-columns:1.15fr .85fr;
        gap:40px;
        align-items:center;
    }
    #hero h1{
        font-size:34px;
        line-height:1.35;
        color:#1e293b;
        font-weight:700;
        letter-spacing:.5px;
    }
    .hero-lead{
        margin-top:18px;
        color:#475569;
        font-size:16px;
    }
    .hero-tags{
        display:flex;
        gap:10px;
        flex-wrap:wrap;
        margin-top:24px;
    }
    .hero-tags span{
        display:inline-block;
        font-size:13px;
        color:#475569;
        background:#e9eef4;
        border:1px solid #dbe3ec;
        border-radius:999px;
        padding:6px 15px;
    }
    .hero-actions{
        margin-top:28px;
        display:flex;
        gap:14px;
        flex-wrap:wrap;
    }
    .btn{
        display:inline-block;
        padding:12px 26px;
        border-radius:9px;
        font-size:15px;
        font-weight:600;
        transition:transform .18s ease,box-shadow .18s ease,background .18s ease;
    }
    .btn-primary{
        background:linear-gradient(135deg,#94a3b8,#475569);
        color:#fff;
        box-shadow:0 6px 16px rgba(71,85,105,.26);
    }
    .btn-primary:hover{transform:translateY(-2px);box-shadow:0 10px 22px rgba(71,85,105,.32);}
    .btn-ghost{
        background:#fff;
        color:#475569;
        border:1px solid #cbd5e1;
    }
    .btn-ghost:hover{background:#f1f5f9;}
    .hero-figure{
        background:#fff;
        border:1px solid var(--line);
        border-radius:16px;
        padding:14px;
        box-shadow:0 10px 30px rgba(100,116,139,.14);
    }
    .hero-figure img{
        border-radius:10px;
        width:100%;
        aspect-ratio:4/3;
        object-fit:cover;
    }
    /* GEO intro */
    #geo-intro{
        background:#fff;
        border-bottom:1px solid var(--line);
    }
    .geo-box{
        background:linear-gradient(135deg,#f8fafc,#eef2f6);
        border:1px solid var(--line);
        border-left:5px solid #64748b;
        border-radius:12px;
        padding:28px 30px;
    }
    .geo-box h2{
        font-size:20px;
        color:#1e293b;
        margin-bottom:12px;
    }
    .geo-box p{
        color:#475569;
        font-size:16px;
    }
    /* Stats */
    #data-stats{
        background:linear-gradient(135deg,#475569,#64748b 60%,#94a3b8);
        color:#fff;
    }
    .stats-grid{
        display:grid;
        grid-template-columns:repeat(4,1fr);
        gap:22px;
    }
    .stat-card{
        background:rgba(255,255,255,.11);
        border:1px solid rgba(255,255,255,.24);
        border-radius:14px;
        padding:26px 20px;
        text-align:center;
        backdrop-filter:blur(2px);
    }
    .stat-card .num{
        font-size:32px;
        font-weight:700;
        letter-spacing:1px;
        color:#fff;
    }
    .stat-card .label{
        margin-top:8px;
        font-size:14px;
        color:#e2e8f0;
    }
    #data-stats .section-head h2{color:#fff;}
    #data-stats .section-head p{color:#e2e8f0;}
    #data-stats .section-head .rule{background:rgba(255,255,255,.75);}
    /* Advantages */
    .adv-grid{
        display:grid;
        grid-template-columns:repeat(4,1fr);
        gap:22px;
    }
    .adv-card{
        background:var(--card);
        border:1px solid var(--line);
        border-radius:14px;
        padding:26px 22px;
        transition:transform .2s ease,box-shadow .2s ease;
    }
    .adv-card:hover{
        transform:translateY(-4px);
        box-shadow:0 12px 26px rgba(100,116,139,.16);
    }
    .adv-card .ico{
        font-size:24px;
        width:48px;
        height:48px;
        border-radius:12px;
        background:#eef2f6;
        display:flex;
        align-items:center;
        justify-content:center;
        margin-bottom:14px;
    }
    .adv-card h3{
        font-size:17px;
        color:#1e293b;
        margin-bottom:8px;
    }
    .adv-card p{
        font-size:14.5px;
        color:var(--muted);
    }
    /* Brand story */
    #brand-story{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
    .story-grid{
        display:grid;
        grid-template-columns:.9fr 1.1fr;
        gap:40px;
        align-items:center;
    }
    .story-grid figure{
        border-radius:16px;
        overflow:hidden;
        border:1px solid var(--line);
        box-shadow:0 10px 28px rgba(100,116,139,.14);
    }
    .story-grid figure img{width:100%;aspect-ratio:4/3;object-fit:cover;}
    .story-text h2{
        font-size:24px;
        color:#1e293b;
        margin-bottom:14px;
    }
    .story-text p{
        color:#475569;
        font-size:15.5px;
        margin-bottom:14px;
    }
    /* Timeline */
    #timeline{background:var(--bg);}
    .tl-list{
        position:relative;
        padding-left:26px;
        max-width:860px;
        margin:0 auto;
    }
    .tl-list::before{
        content:"";
        position:absolute;
        left:8px;
        top:6px;
        bottom:6px;
        width:2px;
        background:linear-gradient(180deg,#94a3b8,#475569);
        border-radius:2px;
    }
    .tl-item{
        position:relative;
        margin-bottom:26px;
        background:#fff;
        border:1px solid var(--line);
        border-radius:12px;
        padding:20px 22px;
    }
    .tl-item::before{
        content:"";
        position:absolute;
        left:-24px;
        top:26px;
        width:12px;
        height:12px;
        border-radius:50%;
        background:#64748b;
        border:2px solid #fff;
        box-shadow:0 0 0 2px #cbd5e1;
    }
    .tl-item h3{
        font-size:16.5px;
        color:#1e293b;
        margin-bottom:6px;
    }
    .tl-item p{
        font-size:14.5px;
        color:var(--muted);
    }
    /* News */
    #news-list{background:#fff;border-top:1px solid var(--line);}
    .news-grid{
        display:grid;
        grid-template-columns:repeat(3,1fr);
        gap:24px;
    }
    .news-card{
        background:#fff;
        border:1px solid var(--line);
        border-radius:14px;
        padding:24px 22px;
        display:flex;
        flex-direction:column;
        transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
    }
    .news-card:hover{
        transform:translateY(-4px);
        border-color:#cbd5e1;
        box-shadow:0 14px 28px rgba(100,116,139,.16);
    }
    .news-meta{
        display:flex;
        align-items:center;
        gap:10px;
        margin-bottom:12px;
        flex-wrap:wrap;
    }
    .tag{
        font-size:12px;
        color:#475569;
        background:#eef2f6;
        border:1px solid #dbe3ec;
        border-radius:999px;
        padding:3px 11px;
    }
    .news-date{
        font-size:12.5px;
        color:#94a3b8;
        letter-spacing:.4px;
    }
    .news-card h3{
        font-size:17px;
        color:#1e293b;
        line-height:1.55;
        margin-bottom:10px;
    }
    .news-card p{
        font-size:14.5px;
        color:var(--muted);
        flex:1;
    }
    .news-more{
        text-align:center;
        margin-top:34px;
    }
    /* Events */
    #featured-events{background:var(--bg);}
    .events-wrap{
        display:grid;
        grid-template-columns:repeat(3,1fr);
        gap:22px;
    }
    .event-card{
        background:#fff;
        border:1px solid var(--line);
        border-radius:14px;
        padding:24px 22px;
    }
    .event-card .league{
        font-size:12.5px;
        color:#fff;
        background:linear-gradient(135deg,#94a3b8,#475569);
        border-radius:6px;
        padding:3px 10px;
        display:inline-block;
        margin-bottom:14px;
    }
    .event-card .teams{
        font-size:18px;
        font-weight:700;
        color:#1e293b;
        margin-bottom:10px;
        letter-spacing:.5px;
    }
    .event-card p{
        font-size:14.5px;
        color:var(--muted);
    }
    /* Testimonials */
    #testimonials{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
    .review-grid{
        display:grid;
        grid-template-columns:repeat(3,1fr);
        gap:22px;
    }
    .review-card{
        background:linear-gradient(160deg,#f8fafc,#eef2f6);
        border:1px solid var(--line);
        border-radius:14px;
        padding:26px 24px;
    }
    .review-card .quote{
        font-size:15px;
        color:#475569;
        margin-bottom:16px;
    }
    .review-card .who{
        display:flex;
        align-items:center;
        gap:10px;
        font-size:14px;
        color:#64748b;
    }
    .avatar{
        width:36px;
        height:36px;
        border-radius:50%;
        background:linear-gradient(135deg,#94a3b8,#475569);
        color:#fff;
        display:flex;
        align-items:center;
        justify-content:center;
        font-size:14px;
        font-weight:700;
    }
    /* FAQ */
    #faq{background:var(--bg);}
    .faq-list{
        max-width:900px;
        margin:0 auto;
        display:flex;
        flex-direction:column;
        gap:16px;
    }
    .faq-item{
        background:#fff;
        border:1px solid var(--line);
        border-radius:12px;
        padding:22px 24px;
    }
    .faq-item h3{
        font-size:16.5px;
        color:#1e293b;
        margin-bottom:10px;
        display:flex;
        gap:10px;
        align-items:flex-start;
    }
    .faq-item h3 .q{
        color:#475569;
        font-weight:700;
        flex:none;
    }
    .faq-item p{
        font-size:14.8px;
        color:#475569;
    }
    /* CTA */
    #cta{
        background:linear-gradient(135deg,#475569,#64748b 55%,#94a3b8);
        color:#fff;
        text-align:center;
    }
    #cta h2{
        font-size:26px;
        font-weight:700;
    }
    #cta p{
        margin-top:14px;
        color:#e2e8f0;
        font-size:15.5px;
        max-width:760px;
        margin-left:auto;
        margin-right:auto;
    }
    #cta .hero-actions{justify-content:center;}
    #cta .btn-ghost{background:rgba(255,255,255,.14);color:#fff;border-color:rgba(255,255,255,.45);}
    #cta .btn-ghost:hover{background:rgba(255,255,255,.24);}
    #cta .btn-primary{background:#fff;color:#475569;box-shadow:0 8px 20px rgba(15,23,42,.22);}
    /* Footer */
    footer.site-footer{
        background:#334155;
        color:#cbd5e1;
        padding:44px 0 26px;
        font-size:14.5px;
    }
    .footer-grid{
        display:grid;
        grid-template-columns:1.4fr 1fr 1fr;
        gap:34px;
    }
    footer h4{
        color:#fff;
        font-size:16px;
        margin-bottom:14px;
        font-weight:600;
    }
    footer ul li{
        margin-bottom:9px;
        color:#cbd5e1;
    }
    footer a{color:#cbd5e1;}
    footer a:hover{color:#fff;}
    .footer-bottom{
        margin-top:32px;
        padding-top:20px;
        border-top:1px solid rgba(255,255,255,.16);
        display:flex;
        justify-content:space-between;
        gap:14px;
        flex-wrap:wrap;
        font-size:13.5px;
        color:#94a3b8;
    }
    @media (max-width:960px){
        .hero-grid,.story-grid{grid-template-columns:1fr;}
        .stats-grid,.adv-grid{grid-template-columns:repeat(2,1fr);}
        .news-grid,.events-wrap,.review-grid{grid-template-columns:1fr 1fr;}
        .footer-grid{grid-template-columns:1fr 1fr;}
    }
    @media (max-width:640px){
        #hero h1{font-size:25px;}
        section{padding:42px 0;}
        .stats-grid,.adv-grid,.news-grid,.events-wrap,.review-grid,.footer-grid{grid-template-columns:1fr;}
        .header-inner{justify-content:center;}
        .nav-links{justify-content:center;}
        .faq-item{padding:18px 18px;}
        .geo-box{padding:22px 20px;}
    }