:root{
    --primary: rgb(213, 5, 5);
    --primary-dark: rgb(180, 4, 4);
    --primary-hover: rgb(160, 3, 3);
    --text: #1f1f1f;
    --muted: #666;
    --line: #ededed;
    --soft: #f6f6f6;
    --white: #fff;
    --dark: #111;
    --shadow: 0 12px 30px rgba(0,0,0,.08);
    --radius: 18px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
    margin:0;
    font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",Arial,sans-serif;
    color:var(--text);
    background:#fff;
    line-height:1.75;
    overflow-x:hidden;
}
img{max-width:100%;display:block}
a{text-decoration:none;color:inherit}
.container{
    width:min(1120px, calc(100% - 32px));
    margin:0 auto;
}
.site-header{
    position:relative;
    z-index:20;
    background:#fff;
    border-bottom:1px solid rgba(180,4,4,.18);
}
.desktop-topbar{display:none;background:var(--primary-dark);color:#fff;font-size:13px}
.topbar-inner{display:flex;justify-content:space-between;align-items:center;height:36px;gap:18px}
.header-main{
    background:#fff;
    border-bottom:3px solid var(--primary-dark);
}
.header-grid{
    height:62px;
    display:grid;
    grid-template-columns:44px 1fr auto;
    align-items:center;
    gap:12px;
}
.logo{
    justify-self:center;
    display:inline-flex;
    align-items:center;
}
.logo img{height:38px;width:auto;object-fit:contain}
.menu-button{
    width:42px;
    height:42px;
    border:0;
    background:transparent;
    display:flex;
    flex-direction:column;
    justify-content:center;
    gap:5px;
    padding:0 8px;
    cursor:pointer;
}
.menu-button span{
    display:block;
    height:2px;
    width:24px;
    background:#222;
    border-radius:10px;
}
.desktop-nav,.search-icon{display:none}
.top-action{
    display:inline-flex;
    align-items:center;
    justify-content:center;
    min-width:70px;
    height:36px;
    padding:0 16px;
    background:var(--primary);
    color:#fff;
    border-radius:999px;
    font-weight:700;
    font-size:14px;
    box-shadow:0 8px 18px rgba(213,5,5,.22);
}
.top-action:hover,.main-btn:hover{background:var(--primary-hover)}
.mobile-nav{
    display:none;
    background:#fff;
    border-bottom:3px solid var(--primary-dark);
    padding:8px 16px 14px;
}
.mobile-nav.open{
    display:grid;
    grid-template-columns:1fr 1fr;
    gap:8px;
}
.mobile-nav a{
    padding:10px 12px;
    border:1px solid var(--line);
    border-radius:12px;
    color:#333;
    font-size:14px;
    background:#fafafa;
}
.mobile-nav a.active{
    border-color:rgba(213,5,5,.35);
    color:var(--primary);
    background:#fff5f5;
}
.section{
    padding:54px 0;
}
.section-soft{background:var(--soft)}
.section-title{
    margin-bottom:24px;
}
.section-title .eyebrow,.hero-content .eyebrow,.page-hero .eyebrow{
    display:inline-flex;
    align-items:center;
    padding:4px 12px;
    color:var(--primary);
    background:#fff0f0;
    border-radius:999px;
    font-size:13px;
    font-weight:700;
    margin-bottom:12px;
}
.section-title h2,.page-hero h1,.hero-content h1{
    margin:0 0 12px;
    line-height:1.22;
    color:#161616;
}
.section-title h2{font-size:28px}
.section-title p,.hero-content p,.page-hero p{
    margin:0;
    color:var(--muted);
}
.main-btn{
    display:inline-flex;
    align-items:center;
    justify-content:center;
    min-height:46px;
    padding:0 24px;
    border-radius:999px;
    color:#fff;
    background:var(--primary);
    font-weight:800;
    box-shadow:0 10px 22px rgba(213,5,5,.24);
}
.ghost-link,.text-link{
    color:var(--primary);
    font-weight:700;
}
.ghost-link::after,.text-link::after{content:" →"}
.official-hero,.sports-hero{
    background:
        radial-gradient(circle at 85% 15%, rgba(213,5,5,.11), transparent 26%),
        linear-gradient(180deg, #fff 0%, #fff7f7 100%);
    padding:44px 0 36px;
}
.official-hero .container{
    display:grid;
    gap:30px;
    align-items:center;
}
.hero-content h1{
    font-size:34px;
    letter-spacing:-.5px;
}
.hero-actions{
    margin-top:22px;
    display:flex;
    align-items:center;
    gap:14px;
    flex-wrap:wrap;
}
.hero-note{
    color:#5a5a5a;
    font-size:14px;
}
.hero-visual{
    background:#fff;
    border:1px solid rgba(213,5,5,.12);
    padding:12px;
    border-radius:24px;
    box-shadow:var(--shadow);
    position:relative;
}
.hero-visual img{
    width:100%;
    min-height:240px;
    object-fit:cover;
    border-radius:18px;
}
.hero-labels{
    display:grid;
    grid-template-columns:1fr 1fr;
    gap:10px;
    margin-top:18px;
}
.hero-labels span{
    background:#fff;
    border:1px solid var(--line);
    border-radius:14px;
    padding:10px 12px;
    color:#444;
    font-size:14px;
}
.category-section{background:#fff}
.category-main-grid,.category-sub-grid{
    display:grid;
    gap:16px;
}
.category-main-grid{grid-template-columns:1fr}
.category-sub-grid{grid-template-columns:1fr;margin-top:16px}
.category-main-card,.category-sub-card,.focus-card,.info-card,.security-card,.data-card,.faq-item,.content-card{
    background:#fff;
    border:1px solid var(--line);
    border-radius:var(--radius);
    box-shadow:0 8px 22px rgba(0,0,0,.04);
}
.category-main-card{
    padding:24px;
    min-height:220px;
    position:relative;
    overflow:hidden;
}
.category-main-card::before{
    content:"";
    position:absolute;
    top:0;left:0;right:0;
    height:4px;
    background:var(--primary);
}
.category-main-card h3,.category-sub-card h3,.focus-card h3,.info-card h3,.security-card h3,.content-card h3{
    margin:0 0 10px;
    color:#171717;
}
.category-main-card p,.category-sub-card p,.focus-card p,.info-card p,.security-card p,.content-card p,.data-card p{
    margin:0 0 16px;
    color:#666;
}
.category-sub-card{padding:20px}
.badge{
    display:inline-flex;
    margin-bottom:12px;
    padding:3px 10px;
    border-radius:999px;
    background:#fff0f0;
    color:var(--primary);
    font-size:12px;
    font-weight:800;
}
.focus-grid{
    display:grid;
    gap:16px;
}
.focus-card{
    padding:22px;
}
.focus-card .corner{
    display:inline-block;
    color:#fff;
    background:var(--primary);
    border-radius:10px;
    padding:4px 10px;
    font-size:12px;
    font-weight:700;
    margin-bottom:12px;
}
.info-split{
    display:grid;
    gap:22px;
}
.info-panel{
    background:#fff;
    border:1px solid var(--line);
    border-radius:22px;
    padding:22px;
    box-shadow:var(--shadow);
}
.info-panel h2{
    margin:0 0 14px;
    font-size:24px;
}
.info-list{
    display:grid;
    gap:12px;
}
.info-card{
    padding:16px;
}
.info-card p{font-size:14px}
.info-image{
    margin-top:16px;
    border-radius:18px;
    overflow:hidden;
}
.info-image img{
    width:100%;
    height:220px;
    object-fit:cover;
}
.sports-showcase,.app-showcase,.score-data-section{
    display:grid;
    gap:24px;
    align-items:center;
}
.showcase-image,.app-image,.data-image{
    border-radius:24px;
    overflow:hidden;
    box-shadow:var(--shadow);
    border:1px solid var(--line);
}
.showcase-image img,.app-image img,.data-image img{
    width:100%;
    height:280px;
    object-fit:cover;
}
.check-list{
    list-style:none;
    padding:0;
    margin:18px 0 0;
    display:grid;
    gap:10px;
}
.check-list li{
    position:relative;
    padding-left:26px;
    color:#444;
}
.check-list li::before{
    content:"";
    position:absolute;
    left:0;
    top:.72em;
    width:9px;
    height:9px;
    background:var(--primary);
    border-radius:50%;
}
.data-cards{
    display:grid;
    gap:14px;
    margin-top:20px;
}
.data-card{
    padding:18px;
    border-left:4px solid var(--primary);
}
.data-card strong{
    display:block;
    color:#171717;
    margin-bottom:6px;
}
.security-grid,.page-card-grid{
    display:grid;
    gap:16px;
}
.security-card,.content-card{
    padding:20px;
}
.responsible-box{
    background:#fff;
    border:1px solid var(--line);
    border-left:6px solid var(--primary);
    border-radius:18px;
    padding:24px;
    box-shadow:0 8px 22px rgba(0,0,0,.04);
}
.responsible-box h2{margin:0 0 10px}
.responsible-box p{margin:0;color:#555}
.faq-list{
    display:grid;
    gap:14px;
}
.faq-item{
    padding:18px 20px;
}
.faq-item h3{
    margin:0 0 8px;
    font-size:18px;
}
.faq-item p{
    margin:0;
    color:#666;
}
.cta-box{
    background:linear-gradient(135deg, #fff 0%, #fff0f0 100%);
    border:1px solid rgba(213,5,5,.14);
    border-radius:24px;
    padding:28px;
    text-align:center;
    box-shadow:var(--shadow);
}
.cta-box h2{margin:0 0 10px}
.cta-box p{margin:0 auto 20px;color:#666;max-width:720px}
.page-hero{
    padding:46px 0;
    background:
        radial-gradient(circle at 90% 10%, rgba(213,5,5,.12), transparent 25%),
        linear-gradient(180deg, #fff 0%, #fafafa 100%);
    border-bottom:1px solid var(--line);
}
.page-hero h1{font-size:32px}
.page-layout{
    display:grid;
    gap:22px;
}
.page-main{
    display:grid;
    gap:20px;
}
.page-main p{
    margin:0;
    color:#555;
}
.side-panel{
    background:#fff;
    border:1px solid var(--line);
    border-radius:18px;
    padding:20px;
    align-self:start;
    box-shadow:0 8px 22px rgba(0,0,0,.04);
}
.side-panel h3{margin:0 0 12px}
.side-panel a{
    display:block;
    padding:10px 0;
    border-bottom:1px solid var(--line);
    color:#444;
}
.side-panel a:last-child{border-bottom:0}
.notice-list{
    background:#fafafa;
    border:1px solid var(--line);
    border-radius:18px;
    padding:20px;
}
.notice-list h3{margin:0 0 10px}
.notice-list ul{
    margin:0;
    padding-left:20px;
    color:#555;
}
.steps{
    counter-reset:step;
    display:grid;
    gap:14px;
}
.step-card{
    counter-increment:step;
    background:#fff;
    border:1px solid var(--line);
    border-radius:18px;
    padding:18px;
    position:relative;
}
.step-card h3{margin:0 0 8px;padding-left:44px}
.step-card p{margin:0;color:#666}
.step-card::before{
    content:counter(step);
    position:absolute;
    top:18px;
    left:18px;
    width:30px;
    height:30px;
    border-radius:50%;
    display:grid;
    place-items:center;
    background:var(--primary);
    color:#fff;
    font-weight:800;
}
.site-footer{
    background:#191919;
    color:#eee;
    margin-top:20px;
}
.footer-grid{
    display:grid;
    gap:26px;
    padding:38px 0;
}
.footer-brand img{height:42px;margin-bottom:14px}
.footer-brand p,.site-footer p{
    color:#cfcfcf;
    margin:0;
    font-size:14px;
}
.site-footer h3{
    margin:0 0 10px;
    font-size:16px;
    color:#fff;
}
.site-footer a{
    display:block;
    color:#dcdcdc;
    padding:4px 0;
    font-size:14px;
}
.site-footer a:hover{color:#fff}
.footer-bottom{
    border-top:1px solid rgba(255,255,255,.12);
    color:#cfcfcf;
    font-size:13px;
}
.footer-bottom-inner{
    min-height:48px;
    display:flex;
    flex-direction:column;
    justify-content:center;
    gap:4px;
}
@media (min-width:640px){
    .hero-labels,.category-sub-grid,.security-grid,.page-card-grid,.data-cards{
        grid-template-columns:repeat(2,1fr);
    }
    .focus-grid{grid-template-columns:repeat(2,1fr)}
    .section-title h2{font-size:32px}
}
@media (min-width:900px){
    .desktop-topbar{display:block}
    .header-main{border-bottom:1px solid var(--line)}
    .header-grid{
        height:76px;
        grid-template-columns:auto 1fr auto auto;
    }
    .menu-button{display:none}
    .logo{justify-self:start}
    .logo img{height:46px}
    .desktop-nav{
        display:flex;
        align-items:center;
        justify-content:center;
        gap:4px;
    }
    .desktop-nav a{
        padding:10px 12px;
        border-radius:999px;
        color:#333;
        font-size:15px;
        font-weight:600;
        white-space:nowrap;
    }
    .desktop-nav a:hover,.desktop-nav a.active{
        color:var(--primary);
        background:#fff1f1;
    }
    .search-icon{
        display:block;
        width:20px;
        height:20px;
        border:2px solid #333;
        border-radius:50%;
        position:relative;
        margin-left:6px;
    }
    .search-icon::after{
        content:"";
        position:absolute;
        width:8px;
        height:2px;
        background:#333;
        transform:rotate(45deg);
        right:-6px;
        bottom:-3px;
        border-radius:4px;
    }
    .mobile-nav{display:none!important}
    .top-action{height:42px;min-width:82px}
    .official-hero{padding:64px 0 54px}
    .official-hero .container{
        grid-template-columns:1.03fr .97fr;
    }
    .hero-content h1{font-size:48px}
    .category-main-grid{
        grid-template-columns:repeat(4,1fr);
    }
    .category-main-card{
        padding:26px 22px;
    }
    .category-sub-grid{
        grid-template-columns:repeat(4,1fr);
    }
    .focus-grid{
        grid-template-columns:repeat(4,1fr);
    }
    .info-split{
        grid-template-columns:1fr 1fr;
    }
    .sports-showcase,.app-showcase,.score-data-section{
        grid-template-columns:1fr 1fr;
    }
    .score-data-section .data-content{order:1}
    .score-data-section .data-panel{order:2}
    .showcase-image img,.app-image img,.data-image img{height:360px}
    .security-grid{grid-template-columns:repeat(3,1fr)}
    .page-card-grid{grid-template-columns:repeat(3,1fr)}
    .page-layout{grid-template-columns:1fr 300px}
    .page-hero h1{font-size:42px}
    .footer-grid{grid-template-columns:1.4fr .8fr .8fr 1fr}
    .footer-bottom-inner{
        flex-direction:row;
        align-items:center;
        justify-content:space-between;
    }
}
@media (min-width:1100px){
    .desktop-nav a{padding:10px 15px}
}