:root{
    --brand: rgb(213, 5, 5);
    --brand-dark: rgb(170, 0, 0);
    --text: #161616;
    --muted: #666;
    --light: #f6f6f6;
    --line: #e9e9e9;
    --card: #fff;
    --deep: #222;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
    margin:0;
    font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",Arial,sans-serif;
    color:var(--text);
    background:#fff;
    line-height:1.75;
    overflow-x:hidden;
}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
.container{width:min(1180px, calc(100% - 32px));margin:0 auto}
.site-header{
    background:#fff;
    border-bottom:1px solid var(--line);
    position:sticky;
    top:0;
    z-index:50;
}
.mobile-topbar{
    height:62px;
    display:grid;
    grid-template-columns:56px 1fr 84px;
    align-items:center;
    padding:0 14px;
    background:#fff;
}
.menu-toggle{
    width:42px;
    height:42px;
    border:0;
    background:#fff;
    border-radius:12px;
    display:flex;
    flex-direction:column;
    justify-content:center;
    gap:5px;
    padding:0 10px;
    cursor:pointer;
}
.menu-toggle span{
    height:2px;
    width:22px;
    background:#1d1d1d;
    border-radius:99px;
    display:block;
}
.mobile-logo{justify-self:center}
.mobile-logo img{height:34px;width:auto;object-fit:contain}
.top-action{
    justify-self:end;
    background:var(--brand);
    color:#fff;
    border-radius:999px;
    padding:9px 17px;
    font-size:14px;
    font-weight:700;
    box-shadow:0 8px 18px rgba(213,5,5,.18);
    white-space:nowrap;
}
.top-action:hover,.main-btn:hover{background:var(--brand-dark)}
.desktop-topbar{display:none}
.mobile-nav{
    display:none;
    background:#fff;
    padding:8px 16px 18px;
    border-top:1px solid var(--line);
}
.mobile-nav.open{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.mobile-nav a{
    padding:12px 14px;
    border:1px solid var(--line);
    border-radius:14px;
    background:#fafafa;
    font-weight:650;
    font-size:15px;
}
.mobile-nav a.active{color:var(--brand);border-color:rgba(213,5,5,.28);background:rgba(213,5,5,.05)}
.search-icon{
    width:36px;
    height:36px;
    border:1px solid var(--line);
    border-radius:50%;
    position:relative;
    flex:0 0 auto;
}
.search-icon:before{
    content:"";
    width:12px;
    height:12px;
    border:2px solid #333;
    border-radius:50%;
    position:absolute;
    left:9px;
    top:8px;
}
.search-icon:after{
    content:"";
    width:9px;
    height:2px;
    background:#333;
    transform:rotate(45deg);
    position:absolute;
    left:21px;
    top:22px;
    border-radius:2px;
}
main{min-height:70vh}
.section{padding:58px 0}
.section.light{background:var(--light)}
.section-title{
    margin:0 0 12px;
    font-size:28px;
    line-height:1.25;
    letter-spacing:-.02em;
}
.section-lead{
    margin:0 0 28px;
    color:#555;
    max-width:820px;
}
.hero{
    background:
      radial-gradient(circle at 80% 10%, rgba(213,5,5,.08), transparent 34%),
      linear-gradient(180deg,#fff 0%,#fbfbfb 100%);
    padding:52px 0 42px;
}
.hero-grid{
    display:grid;
    gap:28px;
    align-items:center;
}
.eyebrow{
    display:inline-flex;
    align-items:center;
    gap:8px;
    color:var(--brand);
    background:rgba(213,5,5,.08);
    border:1px solid rgba(213,5,5,.16);
    padding:7px 12px;
    border-radius:999px;
    font-weight:700;
    font-size:14px;
    margin-bottom:14px;
}
.hero h1,.page-hero h1{
    font-size:34px;
    line-height:1.18;
    margin:0 0 16px;
    color:#111;
}
.hero p,.page-hero p{
    color:#4d4d4d;
    margin:0 0 18px;
}
.hero-tags{
    display:flex;
    flex-wrap:wrap;
    gap:10px;
    margin:20px 0 24px;
}
.hero-tags span,.badge{
    display:inline-flex;
    align-items:center;
    color:var(--brand);
    background:#fff;
    border:1px solid rgba(213,5,5,.22);
    padding:7px 12px;
    border-radius:999px;
    font-size:14px;
    font-weight:700;
}
.main-btn{
    display:inline-flex;
    align-items:center;
    justify-content:center;
    min-height:46px;
    padding:12px 24px;
    background:var(--brand);
    color:#fff;
    border-radius:999px;
    font-weight:800;
    box-shadow:0 10px 22px rgba(213,5,5,.2);
}
.hero-media{
    position:relative;
    border-radius:24px;
    overflow:hidden;
    background:#fff;
    box-shadow:0 16px 42px rgba(0,0,0,.08);
    border:1px solid var(--line);
}
.hero-media img{width:100%;height:100%;object-fit:cover}
.float-panel{
    position:absolute;
    left:16px;
    right:16px;
    bottom:16px;
    background:rgba(255,255,255,.94);
    backdrop-filter:blur(8px);
    border-radius:18px;
    padding:14px;
    box-shadow:0 8px 20px rgba(0,0,0,.08);
}
.float-panel strong{display:block;color:#111}
.float-panel span{color:#666;font-size:14px}
.category-grid,.service-grid,.security-grid,.faq-grid,.data-cards,.related-links,.feature-grid{
    display:grid;
    gap:16px;
}
.category-grid{grid-template-columns:1fr}
.sports-card,.service-card,.score-card,.faq-item,.security-card,.info-card,.notice-box,.content-block,.related-card{
    background:#fff;
    border:1px solid var(--line);
    border-radius:20px;
    padding:22px;
    box-shadow:0 10px 26px rgba(0,0,0,.04);
}
.sports-card h3,.service-card h3,.score-card h3,.security-card h3,.info-card h3,.content-block h2,.related-card h3{
    margin:0 0 10px;
    font-size:20px;
    line-height:1.35;
}
.sports-card p,.service-card p,.score-card p,.security-card p,.info-card p,.content-block p,.related-card p,.faq-item p{
    margin:0;
    color:#555;
}
.card-link{
    display:inline-flex;
    margin-top:15px;
    color:var(--brand);
    font-weight:800;
}
.service-card .badge{margin-bottom:12px}
.split-section{
    display:grid;
    gap:26px;
    align-items:center;
}
.image-card{
    border-radius:24px;
    overflow:hidden;
    border:1px solid var(--line);
    box-shadow:0 14px 34px rgba(0,0,0,.06);
    background:#fff;
}
.point-list{
    display:grid;
    gap:12px;
    margin-top:20px;
}
.point{
    border-left:4px solid var(--brand);
    background:#fff;
    border-radius:14px;
    padding:14px 16px;
    box-shadow:0 8px 22px rgba(0,0,0,.035);
}
.point strong{display:block;margin-bottom:4px}
.point span{color:#666;font-size:15px}
.score-panel{
    background:#fff;
    border:1px solid var(--line);
    border-radius:24px;
    padding:22px;
    box-shadow:0 12px 30px rgba(0,0,0,.05);
}
.score-row{
    display:grid;
    grid-template-columns:1fr auto 1fr;
    gap:10px;
    align-items:center;
    padding:14px 0;
    border-bottom:1px solid var(--line);
}
.score-row:last-child{border-bottom:0}
.score-row b{font-size:20px;color:var(--brand)}
.status{
    color:#fff;
    background:var(--brand);
    border-radius:999px;
    padding:4px 10px;
    font-size:12px;
    font-weight:800;
}
.data-panel{
    border:1px solid rgba(213,5,5,.16);
    background:linear-gradient(180deg,rgba(213,5,5,.06),#fff);
    border-radius:24px;
    padding:22px;
}
.app-showcase{
    display:grid;
    gap:24px;
    align-items:center;
}
.app-card{
    background:#fff;
    border:1px solid var(--line);
    border-radius:28px;
    padding:18px;
    box-shadow:0 16px 42px rgba(0,0,0,.06);
}
.platform-info{
    display:grid;
    gap:18px;
}
.info-list{
    display:grid;
    gap:14px;
}
.info-list li{
    list-style:none;
    padding:16px;
    border:1px solid var(--line);
    border-radius:16px;
    background:#fff;
}
.info-list ul{padding:0;margin:0}
.responsible{
    background:#1d1d1d;
    color:#fff;
    border-radius:28px;
    padding:26px;
}
.responsible p{color:#eee;margin:0 0 14px}
.responsible .badge{background:rgba(255,255,255,.08);color:#fff;border-color:rgba(255,255,255,.18)}
.faq-item h3{
    margin:0 0 8px;
    font-size:18px;
}
.cta{
    background:linear-gradient(135deg,var(--brand),#9d0000);
    color:#fff;
    border-radius:28px;
    padding:34px 24px;
    text-align:center;
}
.cta h2{margin:0 0 10px;font-size:28px}
.cta p{margin:0 auto 20px;max-width:760px;color:#fff}
.cta .main-btn{background:#fff;color:var(--brand);box-shadow:none}
.page-hero{
    padding:54px 0;
    background:
      radial-gradient(circle at 12% 0%, rgba(213,5,5,.08), transparent 34%),
      linear-gradient(180deg,#fff,#fafafa);
    border-bottom:1px solid var(--line);
}
.page-hero .container{
    display:grid;
    gap:24px;
    align-items:center;
}
.page-hero img{
    border-radius:22px;
    border:1px solid var(--line);
    box-shadow:0 14px 34px rgba(0,0,0,.06);
}
.content-grid{
    display:grid;
    gap:18px;
}
.content-block ul,.notice-box ul{
    padding-left:20px;
    margin:10px 0 0;
    color:#555;
}
.content-block li,.notice-box li{margin:8px 0}
.notice-box{
    background:rgba(213,5,5,.04);
    border-color:rgba(213,5,5,.18);
}
.notice-box h2{margin:0 0 10px;font-size:22px}
.table-list{
    width:100%;
    border-collapse:collapse;
    background:#fff;
    border:1px solid var(--line);
    border-radius:18px;
    overflow:hidden;
    display:block;
}
.table-list tr{display:grid;grid-template-columns:1fr; border-bottom:1px solid var(--line)}
.table-list tr:last-child{border-bottom:0}
.table-list th,.table-list td{text-align:left;padding:14px 16px}
.table-list th{background:#fafafa;color:#333}
.site-footer{
    background:#202020;
    color:#fff;
    padding-top:46px;
}
.footer-grid{
    display:grid;
    gap:28px;
}
.footer-logo{height:34px;width:auto;margin-bottom:14px}
.site-footer p,.footer-note{color:#cfcfcf;margin:0}
.site-footer h3{margin:0 0 12px}
.site-footer a{
    display:block;
    color:#e8e8e8;
    margin:7px 0;
}
.footer-bottom{
    border-top:1px solid rgba(255,255,255,.12);
    text-align:center;
    padding:18px 16px;
    margin-top:34px;
    color:#cfcfcf;
    font-size:14px;
}

@media (min-width: 640px){
    .category-grid,.service-grid,.security-grid,.faq-grid,.data-cards,.related-links,.feature-grid{grid-template-columns:repeat(2,1fr)}
    .table-list{display:table}
    .table-list tr{display:table-row}
}
@media (min-width: 900px){
    .mobile-topbar,.mobile-nav{display:none!important}
    .desktop-topbar{
        height:78px;
        display:flex;
        align-items:center;
        gap:24px;
    }
    .desktop-logo img{height:42px;width:auto;object-fit:contain}
    .desktop-nav{
        flex:1;
        display:flex;
        justify-content:center;
        gap:22px;
        align-items:center;
    }
    .desktop-nav a{
        font-weight:750;
        color:#2f2f2f;
        padding:26px 0;
        border-bottom:3px solid transparent;
        white-space:nowrap;
    }
    .desktop-nav a.active,.desktop-nav a:hover{color:var(--brand);border-bottom-color:var(--brand)}
    .hero{padding:72px 0 64px}
    .hero-grid{grid-template-columns:1.02fr .98fr;gap:44px}
    .hero h1,.page-hero h1{font-size:48px}
    .section-title{font-size:36px}
    .category-grid{grid-template-columns:repeat(3,1fr)}
    .service-grid{grid-template-columns:repeat(3,1fr)}
    .split-section,.app-showcase,.platform-info{grid-template-columns:1fr 1fr}
    .security-grid{grid-template-columns:repeat(3,1fr)}
    .faq-grid{grid-template-columns:repeat(2,1fr)}
    .data-cards{grid-template-columns:repeat(3,1fr)}
    .page-hero .container{grid-template-columns:1fr 420px}
    .content-grid{grid-template-columns:1fr 1fr}
    .footer-grid{grid-template-columns:1.5fr 1fr 1fr 1fr}
}
@media (min-width: 1160px){
    .hero h1{font-size:54px}
}