*{box-sizing:border-box}
:root{--primary:rgb(213,5,5);--primary-dark:rgb(178,4,4);--text:#1f1f1f;--muted:#686868;--light:#f6f6f6;--line:#e9e9e9;--white:#fff;--dark:#111}
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}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
.container{width:min(1180px,92vw);margin:0 auto}
.site-header{background:#fff;border-bottom:1px solid var(--line);position:sticky;top:0;z-index:50}
.mobile-header{height:64px;display:grid;grid-template-columns:82px 1fr 82px;align-items:center;padding:0 14px;background:#fff}
.menu-button{width:42px;height:42px;border:0;background:#fff;display:flex;flex-direction:column;justify-content:center;gap:5px;padding:0;cursor:pointer}
.menu-button span{display:block;width:24px;height:2px;background:#242424;border-radius:2px;margin-left:2px}
.mobile-logo{justify-self:center}
.mobile-logo img{height:34px;width:auto}
.top-action{display:inline-flex;align-items:center;justify-content:center;background:var(--primary);color:#fff;border-radius:999px;padding:9px 18px;font-size:14px;font-weight:700;white-space:nowrap;box-shadow:0 8px 18px rgba(213,5,5,.18)}
.top-action:hover,.main-btn:hover{background:var(--primary-dark);transform:translateY(-1px)}
.mobile-nav{display:none;background:#fff;border-top:1px solid var(--line);padding:10px 16px 16px;grid-template-columns:1fr 1fr;gap:8px}
.mobile-nav.open{display:grid}
.mobile-nav a{background:#f8f8f8;border:1px solid var(--line);border-radius:12px;padding:10px 12px;font-size:14px;color:#333}
.mobile-nav a.active{color:var(--primary);border-color:rgba(213,5,5,.22);background:rgba(213,5,5,.06)}
.desktop-header{display:none}
.search-icon{width:22px;height:22px;border:2px solid #222;border-radius:50%;position:relative;display:inline-block}
.search-icon:after{content:"";position:absolute;width:8px;height:2px;background:#222;right:-7px;bottom:-3px;transform:rotate(45deg);border-radius:2px}
.main-btn{display:inline-flex;align-items:center;justify-content:center;background:var(--primary);color:#fff;border-radius:999px;padding:13px 26px;font-size:16px;font-weight:800;box-shadow:0 10px 22px rgba(213,5,5,.2);transition:.2s ease}
.section{padding:56px 0}
.section.alt{background:var(--light)}
.section-title{margin:0 0 14px;font-size:28px;line-height:1.25;color:#111;letter-spacing:-.4px}
.section-desc{margin:0 0 26px;color:var(--muted);max-width:840px}
.official-hero{background:linear-gradient(180deg,#fff 0%,#fff7f7 100%);padding:42px 0 52px;border-bottom:1px solid #f0dddd}
.hero-grid{display:grid;gap:28px;align-items:center}
.hero-copy h1{font-size:34px;line-height:1.18;margin:0 0 18px;color:#111;letter-spacing:-.8px}
.hero-copy p{color:#444;margin:0 0 18px}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;margin:18px 0 24px}
.hero-tags span,.red-tag{display:inline-flex;align-items:center;border:1px solid rgba(213,5,5,.18);background:#fff;color:var(--primary);border-radius:999px;padding:7px 12px;font-size:13px;font-weight:700}
.hero-image{background:#fff;border:1px solid #f0dede;border-radius:24px;padding:14px;box-shadow:0 18px 40px rgba(50,20,20,.08)}
.hero-image img{border-radius:18px;width:100%;height:auto}
.category-grid{display:grid;grid-template-columns:1fr;gap:16px}
.sports-card,.service-card,.info-card,.faq-item,.security-card,.score-card,.data-card{background:#fff;border:1px solid var(--line);border-radius:20px;padding:22px;box-shadow:0 12px 28px rgba(0,0,0,.04)}
.sports-card h3,.service-card h3,.info-card h3,.security-card h3,.score-card h3,.data-card h3{margin:0 0 10px;font-size:20px;color:#111}
.sports-card p,.service-card p,.info-card p,.security-card p,.score-card p,.data-card p{margin:0 0 14px;color:#555}
.card-link{color:var(--primary);font-weight:800;display:inline-flex;align-items:center;gap:6px}
.card-link:after{content:"›";font-size:18px;line-height:1}
.service-grid{display:grid;grid-template-columns:1fr;gap:16px}
.service-card .red-tag{margin-bottom:12px}
.sports-showcase,.score-panel,.app-showcase,.platform-info,.security-section,.responsible-section,.cta-panel,.simple-hero,.content-split{border-radius:26px}
.two-col{display:grid;gap:24px;align-items:center}
.image-panel{background:#fff;border:1px solid var(--line);border-radius:24px;padding:14px;box-shadow:0 14px 32px rgba(0,0,0,.05)}
.image-panel img{border-radius:18px}
.point-list{display:grid;gap:12px;margin-top:20px}
.point{background:#fff;border:1px solid var(--line);border-radius:16px;padding:16px}
.point strong{display:block;color:#111;margin-bottom:5px}
.point p{margin:0;color:#5c5c5c}
.score-list{display:grid;gap:14px}
.score-row{display:grid;grid-template-columns:1fr auto 1fr;align-items:center;gap:10px;padding:16px;border:1px solid var(--line);border-radius:16px;background:#fff}
.score-row .team{text-align:center;font-weight:800}
.score-row .score{color:var(--primary);font-weight:900;font-size:20px;white-space:nowrap}
.status{display:inline-flex;background:rgba(213,5,5,.08);color:var(--primary);border-radius:999px;padding:4px 10px;font-size:12px;font-weight:800}
.data-panel{display:grid;grid-template-columns:1fr;gap:16px;margin-top:20px}
.app-showcase{background:#fff7f7;border:1px solid #f2dcdc;padding:28px}
.info-columns{display:grid;grid-template-columns:1fr;gap:18px}
.security-grid{display:grid;grid-template-columns:1fr;gap:16px}
.responsible-section{background:#fff;border:1px solid #f0dede;padding:24px}
.notice-list{display:grid;gap:12px;margin:18px 0 0;padding:0;list-style:none}
.notice-list li{padding:14px 16px;background:#fafafa;border:1px solid var(--line);border-radius:14px;color:#454545}
.faq-list{display:grid;gap:14px}
.faq-item h3{margin:0 0 8px;font-size:18px;color:#111}
.faq-item p{margin:0;color:#555}
.cta-panel{padding:30px;background:linear-gradient(135deg,var(--primary) 0%,#8f0202 100%);color:#fff;text-align:center}
.cta-panel h2{margin:0 0 10px;font-size:28px}
.cta-panel p{margin:0 auto 20px;max-width:760px;color:#fff4f4}
.cta-panel .main-btn{background:#fff;color:var(--primary);box-shadow:none}
.cta-panel .main-btn:hover{background:#f5f5f5}
.simple-hero{padding:44px 0;background:#fff7f7;border-bottom:1px solid #f0dddd}
.simple-hero h1{font-size:32px;line-height:1.22;margin:0 0 14px;color:#111}
.simple-hero p{margin:0;color:#444;max-width:880px}
.breadcrumbs{font-size:14px;color:#777;margin-bottom:14px}
.breadcrumbs a{color:var(--primary)}
.content-grid{display:grid;grid-template-columns:1fr;gap:18px}
.content-box{background:#fff;border:1px solid var(--line);border-radius:20px;padding:22px}
.content-box h2{margin:0 0 12px;font-size:24px;line-height:1.3}
.content-box p{margin:0 0 12px;color:#555}
.content-box ul{margin:12px 0 0;padding-left:18px;color:#555}
.content-box li{margin:8px 0}
.related-links{display:flex;flex-wrap:wrap;gap:10px;margin-top:18px}
.related-links a{border:1px solid var(--line);background:#fff;border-radius:999px;padding:9px 14px;color:#333;font-weight:700}
.related-links a:hover{border-color:rgba(213,5,5,.35);color:var(--primary)}
.steps{counter-reset:step;display:grid;gap:14px}
.step{position:relative;background:#fff;border:1px solid var(--line);border-radius:18px;padding:18px 18px 18px 58px}
.step:before{counter-increment:step;content:counter(step);position:absolute;left:18px;top:18px;width:28px;height:28px;border-radius:50%;background:var(--primary);color:#fff;display:grid;place-items:center;font-weight:900}
.site-footer{background:#151515;color:#f3f3f3;margin-top:0}
.footer-grid{display:grid;gap:22px;padding:42px 0}
.footer-logo{height:36px;width:auto;margin-bottom:14px}
.footer-brand p,.footer-notice p{margin:0;color:#d0d0d0}
.footer-links h3,.footer-notice h3{margin:0 0 12px;font-size:18px}
.footer-links a{display:block;color:#d0d0d0;margin:7px 0}
.footer-links a:hover{color:#fff}
.footer-bottom{border-top:1px solid rgba(255,255,255,.12);text-align:center;padding:16px;color:#cfcfcf;font-size:14px}
@media (min-width:640px){
    .category-grid{grid-template-columns:repeat(2,1fr)}
    .service-grid,.security-grid,.data-panel{grid-template-columns:repeat(2,1fr)}
    .content-grid{grid-template-columns:repeat(2,1fr)}
}
@media (min-width:960px){
    .mobile-header,.mobile-nav{display:none!important}
    .desktop-header{height:78px;display:flex;align-items:center;justify-content:space-between;gap:28px}
    .desktop-logo img{height:42px;width:auto}
    .desktop-nav{display:flex;align-items:center;justify-content:center;gap:4px;flex:1}
    .desktop-nav a{padding:10px 13px;border-radius:999px;font-size:15px;color:#333;font-weight:700}
    .desktop-nav a:hover,.desktop-nav a.active{color:var(--primary);background:rgba(213,5,5,.07)}
    .header-tools{display:flex;align-items:center;gap:20px}
    .official-hero{padding:66px 0 74px}
    .hero-grid{grid-template-columns:1.04fr .96fr;gap:46px}
    .hero-copy h1{font-size:52px}
    .section{padding:76px 0}
    .section-title{font-size:36px}
    .category-grid{grid-template-columns:repeat(3,1fr)}
    .service-grid{grid-template-columns:repeat(3,1fr)}
    .two-col{grid-template-columns:1.02fr .98fr;gap:42px}
    .two-col.reverse .image-panel{order:-1}
    .data-panel{grid-template-columns:repeat(3,1fr)}
    .info-columns{grid-template-columns:1fr 1fr}
    .security-grid{grid-template-columns:repeat(3,1fr)}
    .content-grid{grid-template-columns:repeat(3,1fr)}
    .footer-grid{grid-template-columns:1.4fr .7fr .7fr 1.1fr}
}
@media (max-width:360px){
    .mobile-header{grid-template-columns:62px 1fr 70px;padding:0 10px}
    .top-action{padding:8px 12px;font-size:13px}
    .hero-copy h1{font-size:29px}
    .section-title{font-size:25px}
}