:root{
    --brand: rgb(213, 5, 5);
    --brand-dark: rgb(180, 4, 4);
    --brand-soft: #fff1f1;
    --text: #151515;
    --muted: #666666;
    --line: #e8e8e8;
    --light: #f7f7f7;
    --white: #ffffff;
    --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;
}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
.container{width:min(1160px, calc(100% - 32px)); margin:0 auto}
.site-header{position:relative; z-index:10; background:#fff; border-bottom:1px solid var(--line)}
.mobile-header{
    height:64px;
    display:grid;
    grid-template-columns:56px 1fr 76px;
    align-items:center;
    padding:0 14px;
    background:#fff;
    border-bottom:3px solid var(--brand-dark);
}
.menu-toggle{
    width:42px;height:42px;border:0;background:#fff;border-radius:12px;
    display:flex;flex-direction:column;justify-content:center;align-items:center;gap:5px;
}
.menu-toggle span{display:block;width:22px;height:2px;background:var(--brand-dark);border-radius:3px}
.mobile-logo{justify-self:center}
.mobile-logo img{height:34px;width:auto}
.top-action{
    display:inline-flex;align-items:center;justify-content:center;
    min-height:38px;padding:8px 18px;border-radius:999px;background:var(--brand);
    color:#fff;font-weight:700;box-shadow:0 8px 18px rgba(213,5,5,.24);
}
.top-action:hover,.main-btn:hover{background:var(--brand-dark)}
.mobile-nav{
    display:none;background:#fff;border-bottom:1px solid var(--line);padding:8px 16px 14px;
}
.mobile-nav.show{display:grid;grid-template-columns:1fr 1fr;gap:8px}
.mobile-nav a{
    padding:10px 12px;border-radius:12px;background:#f8f8f8;color:#333;font-weight:600;
}
.mobile-nav a.active{background:var(--brand);color:#fff}
.desktop-topbar,.desktop-header{display:none}
main{background:#fff}
.section{padding:54px 0}
.section-light{background:var(--light)}
.section-title{margin:0 0 12px;font-size:28px;line-height:1.25;letter-spacing:-.5px}
.section-kicker{display:inline-flex;color:var(--brand);font-weight:800;margin-bottom:10px}
.section-desc{margin:0 0 24px;color:var(--muted);max-width:820px}
.main-btn{
    display:inline-flex;align-items:center;justify-content:center;
    min-height:46px;padding:11px 24px;border-radius:999px;background:var(--brand);
    color:#fff;font-weight:800;letter-spacing:.2px;box-shadow:0 10px 24px rgba(213,5,5,.24);
}
.text-link{color:var(--brand);font-weight:800;display:inline-flex;align-items:center;margin-top:10px}
.text-link:after{content:"›";font-size:22px;line-height:1;margin-left:5px}
.official-hero{
    background:
      radial-gradient(circle at 90% 15%, rgba(213,5,5,.12), transparent 34%),
      linear-gradient(180deg, #fff, #fff7f7 100%);
    padding:54px 0 36px;
}
.hero-grid{display:grid;gap:28px;align-items:center}
.hero-copy h1{font-size:34px;line-height:1.18;margin:0 0 18px;letter-spacing:-.8px}
.hero-copy p{color:#444;margin:0 0 18px}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:20px}
.hero-tags span{background:#fff;border:1px solid #ffd3d3;color:#7c1414;border-radius:999px;padding:6px 12px;font-weight:700;font-size:14px}
.hero-visual{
    background:#fff;border:1px solid #f0d5d5;border-radius:26px;padding:12px;box-shadow:var(--shadow);
}
.hero-visual img{border-radius:20px;object-fit:cover;width:100%;min-height:220px}
.category-nav{background:#fff}
.category-main-grid{display:grid;gap:16px}
.category-sub-grid{display:grid;grid-template-columns:1fr;gap:14px;margin-top:16px}
.category-main-card,.category-sub-card,.focus-card,.info-card,.security-card,.faq-item,.page-card{
    background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:22px;box-shadow:0 8px 20px rgba(0,0,0,.04);
}
.category-main-card{min-height:245px;border-top:4px solid var(--brand)}
.category-sub-card{background:#fffafa}
.card-label,.focus-label{
    display:inline-flex;align-items:center;background:var(--brand);color:#fff;border-radius:999px;
    padding:4px 10px;font-size:13px;font-weight:800;margin-bottom:10px;
}
.category-main-card h3,.category-sub-card h3,.focus-card h3,.info-card h3,.security-card h3,.page-card h3{margin:0 0 8px;font-size:21px}
.category-main-card p,.category-sub-card p,.focus-card p,.info-card p,.security-card p,.page-card p{margin:0;color:#555}
.focus-grid{display:grid;gap:16px}
.info-split{display:grid;gap:18px}
.info-panel{background:#fff;border:1px solid var(--line);border-radius:24px;padding:22px;box-shadow:var(--shadow)}
.info-panel h3{margin:0 0 16px;font-size:24px}
.info-list{display:grid;gap:12px}
.info-card{padding:18px;box-shadow:none}
.info-visual{margin-top:18px;border-radius:20px;overflow:hidden;border:1px solid var(--line)}
.sports-showcase,.app-showcase,.score-data-section{
    display:grid;gap:24px;align-items:center;
}
.showcase-visual{border-radius:24px;overflow:hidden;box-shadow:var(--shadow);border:1px solid var(--line);background:#fff}
.point-list{padding:0;margin:18px 0 0;list-style:none;display:grid;gap:10px}
.point-list li{position:relative;padding-left:28px;color:#444}
.point-list li:before{content:"";width:10px;height:10px;border-radius:50%;background:var(--brand);position:absolute;left:5px;top:11px}
.data-cards{display:grid;gap:14px}
.data-card{
    background:#fff;border:1px solid var(--line);border-left:4px solid var(--brand);
    border-radius:18px;padding:18px;box-shadow:0 6px 16px rgba(0,0,0,.04);
}
.data-card strong{display:block;font-size:20px;margin-bottom:6px}
.data-card p{margin:0;color:#555}
.security-grid{display:grid;gap:16px}
.responsible-box{
    background:#f8f8f8;border-left:6px solid var(--brand);border-radius:18px;padding:24px;
}
.responsible-box p{margin:0;color:#444}
.faq-list{display:grid;gap:14px}
.faq-item h3{margin:0 0 8px;font-size:19px}
.faq-item p{margin:0;color:#555}
.cta-box{
    background:linear-gradient(135deg, #fff, #fff2f2);
    border:1px solid #ffd6d6;border-radius:26px;padding:30px;text-align:center;box-shadow:var(--shadow)
}
.cta-box h2{margin:0 0 12px;font-size:28px}
.cta-box p{margin:0 auto 18px;color:#555;max-width:720px}
.page-hero{
    padding:48px 0;background:linear-gradient(180deg,#fff7f7,#fff);border-bottom:1px solid #f2dfdf;
}
.page-hero h1{font-size:32px;line-height:1.2;margin:0 0 14px}
.page-hero p{margin:0;color:#444;max-width:880px}
.page-layout{display:grid;gap:22px}
.page-section{padding:46px 0}
.page-grid{display:grid;gap:16px}
.notice-list{background:#fff;border:1px solid var(--line);border-radius:20px;padding:22px}
.notice-list h2{margin:0 0 12px;font-size:24px}
.notice-list ul{margin:0;padding-left:20px;color:#444}
.notice-list li{margin:8px 0}
.related-links{display:flex;flex-wrap:wrap;gap:10px;margin-top:18px}
.related-links a{border:1px solid #ffd0d0;background:#fffafa;color:var(--brand);border-radius:999px;padding:8px 14px;font-weight:800}
.steps{counter-reset:step;display:grid;gap:14px;margin-top:18px}
.step-item{position:relative;background:#fff;border:1px solid var(--line);border-radius:18px;padding:18px 18px 18px 56px}
.step-item:before{counter-increment:step;content:counter(step);position:absolute;left:18px;top:18px;width:26px;height:26px;border-radius:50%;background:var(--brand);color:#fff;display:grid;place-items:center;font-weight:800}
.site-footer{background:#151515;color:#fff;padding:42px 0 24px}
.footer-grid{display:grid;gap:26px}
.footer-brand img{height:42px;width:auto;margin-bottom:14px}
.site-footer p{color:#d5d5d5;margin:0}
.site-footer h3{margin:0 0 12px;font-size:18px}
.site-footer a{display:block;color:#e9e9e9;margin:7px 0}
.footer-note{border-top:1px solid rgba(255,255,255,.14);margin-top:28px;padding-top:18px;font-size:14px}
.footer-note p + p{margin-top:8px}

@media (min-width: 640px){
    .category-sub-grid,.focus-grid,.security-grid,.page-grid{grid-template-columns:repeat(2,1fr)}
    .data-cards{grid-template-columns:repeat(3,1fr)}
    .hero-copy h1{font-size:42px}
}

@media (min-width: 960px){
    .mobile-header,.mobile-nav{display:none}
    .desktop-topbar{display:block;background:var(--brand-dark);color:#fff;font-size:14px}
    .topbar-inner{height:38px;display:flex;align-items:center;justify-content:space-between}
    .desktop-header{display:block;background:#fff;border-bottom:1px solid var(--line)}
    .desktop-inner{height:76px;display:flex;align-items:center;gap:28px}
    .logo img{height:46px;width:auto}
    .desktop-nav{display:flex;align-items:center;gap:22px;flex:1;justify-content:center}
    .desktop-nav a{font-weight:800;color:#333;position:relative;padding:25px 0}
    .desktop-nav a.active,.desktop-nav a:hover{color:var(--brand)}
    .desktop-nav a.active:after{content:"";position:absolute;left:0;right:0;bottom:15px;height:3px;background:var(--brand);border-radius:3px}
    .header-actions{display:flex;align-items:center;gap:18px}
    .search-icon{width:22px;height:22px;border:2px solid var(--brand-dark);border-radius:50%;position:relative;display:inline-block}
    .search-icon:after{content:"";width:9px;height:2px;background:var(--brand-dark);position:absolute;right:-6px;bottom:0;transform:rotate(45deg);border-radius:2px}
    .official-hero{padding:72px 0 52px}
    .hero-grid,.sports-showcase,.app-showcase,.score-data-section{grid-template-columns:1.05fr .95fr}
    .hero-copy h1{font-size:52px}
    .category-main-grid{grid-template-columns:repeat(4,1fr)}
    .category-sub-grid{grid-template-columns:repeat(4,1fr)}
    .focus-grid{grid-template-columns:repeat(4,1fr)}
    .info-split{grid-template-columns:1fr 1fr}
    .security-grid{grid-template-columns:repeat(3,1fr)}
    .page-layout{grid-template-columns:2fr 1fr}
    .page-grid{grid-template-columns:repeat(3,1fr)}
    .footer-grid{grid-template-columns:1.4fr 1fr 1fr 1fr}
    .section{padding:72px 0}
    .page-hero h1{font-size:44px}
}