:root{
    --brand:rgb(213,5,5);
    --brand-dark:rgb(180,4,4);
    --brand-hover:rgb(160,4,4);
    --text:#1d1d1f;
    --muted:#666b73;
    --line:#eceef2;
    --soft:#f6f7f9;
    --white:#fff;
    --shadow:0 12px 34px rgba(24,31,45,.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(1120px,calc(100% - 32px));margin:0 auto}
.section{padding:48px 0}
.section-soft{background:var(--soft)}
.section-head{margin-bottom:22px}
.kicker{display:inline-flex;align-items:center;gap:8px;color:var(--brand);font-weight:700;font-size:14px;letter-spacing:.03em;margin:0 0 8px}
.kicker:before{content:"";width:22px;height:3px;border-radius:999px;background:var(--brand)}
h1,h2,h3{line-height:1.28;margin:0;color:#121316}
h1{font-size:34px;letter-spacing:-.03em}
h2{font-size:26px;letter-spacing:-.02em}
h3{font-size:19px}
p{margin:10px 0;color:var(--muted)}
ul{padding-left:20px;margin:12px 0;color:var(--muted)}
li{margin:6px 0}
.main-btn,.text-link,.top-action{display:inline-flex;align-items:center;justify-content:center;border-radius:999px;font-weight:800;transition:.2s ease}
.main-btn{min-height:46px;padding:0 24px;background:var(--brand);color:#fff;box-shadow:0 10px 20px rgba(213,5,5,.22)}
.main-btn:hover,.top-action:hover{background:var(--brand-hover);transform:translateY(-1px)}
.text-link{color:var(--brand);font-weight:800;margin-top:8px}
.text-link:after{content:"›";font-size:20px;margin-left:5px;line-height:1}
.site-header{position:relative;z-index:20;background:#fff;border-bottom:1px solid var(--line)}
.mobile-header{height:62px;background:#fff;display:grid;grid-template-columns:64px 1fr 88px;align-items:center;border-bottom:3px solid var(--brand-dark)}
.menu-button{width:44px;height:44px;border:0;background:transparent;margin-left:12px;display:flex;flex-direction:column;gap:5px;align-items:center;justify-content:center;cursor:pointer}
.menu-button span{width:22px;height:2px;border-radius:3px;background:#24262b}
.mobile-logo{justify-self:center;display:flex;align-items:center;justify-content:center}
.mobile-logo img{height:34px;width:auto;object-fit:contain}
.top-action{background:var(--brand);color:#fff;min-height:36px;padding:0 16px;font-size:14px;justify-self:center}
.mobile-nav{display:none;background:#fff;border-bottom:1px solid var(--line);padding:10px 16px 16px;grid-template-columns:1fr 1fr;gap:8px}
.mobile-nav.open{display:grid}
.mobile-nav a{padding:11px 12px;border:1px solid var(--line);border-radius:12px;background:#fff;color:#34373d;font-weight:700;font-size:14px}
.mobile-nav a.active{border-color:rgba(213,5,5,.22);background:rgba(213,5,5,.06);color:var(--brand)}
.desktop-topbar,.desktop-header{display:none}
.search-icon{width:34px;height:34px;border:1px solid var(--line);border-radius:50%;position:relative;background:#fff}
.search-icon:before{content:"";width:12px;height:12px;border:2px solid var(--brand);border-radius:50%;position:absolute;left:9px;top:8px}
.search-icon:after{content:"";width:8px;height:2px;background:var(--brand);position:absolute;left:20px;top:22px;transform:rotate(45deg);border-radius:2px}
.official-hero{position:relative;background:linear-gradient(180deg,#fff 0%,#fff7f7 100%);overflow:hidden}
.official-hero:after{content:"";position:absolute;right:-120px;top:40px;width:330px;height:330px;border-radius:50%;background:rgba(213,5,5,.08)}
.hero-grid{position:relative;z-index:1;display:grid;gap:28px;align-items:center;padding:42px 0 38px}
.hero-copy h1{margin-bottom:16px}
.hero-copy p{font-size:16px;color:#4b4f57}
.hero-actions{display:flex;gap:12px;align-items:center;flex-wrap:wrap;margin:22px 0}
.hero-note{display:flex;flex-wrap:wrap;gap:8px;margin-top:12px}
.hero-note span{background:#fff;border:1px solid rgba(213,5,5,.14);color:#4d4f55;border-radius:999px;padding:7px 12px;font-size:13px;font-weight:700}
.hero-visual{background:#fff;border:1px solid var(--line);border-radius:24px;padding:12px;box-shadow:var(--shadow)}
.hero-visual img{width:100%;border-radius:18px;object-fit:cover;max-height:360px}
.official-entry-section,.category-navigation-section,.sports-hero{background:#fff}
.category-grid-main{display:grid;gap:14px}
.category-grid-sub{display:grid;gap:12px;margin-top:14px}
.category-main-card,.category-sub-card,.focus-card,.mini-card,.data-card,.security-card,.faq-item,.content-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);box-shadow:0 8px 24px rgba(31,39,52,.05)}
.category-main-card{padding:22px;position:relative;overflow:hidden;min-height:220px}
.category-main-card:after{content:"";position:absolute;right:-38px;bottom:-38px;width:118px;height:118px;border-radius:50%;background:rgba(213,5,5,.08)}
.category-main-card strong,.category-sub-card strong{display:inline-flex;color:var(--brand);font-size:13px;margin-bottom:8px;font-weight:900}
.category-sub-card{padding:18px;min-height:178px}
.focus-match-cards{display:grid;gap:14px}
.focus-card{padding:20px;border-top:4px solid var(--brand)}
.focus-card .tag{display:inline-flex;background:rgba(213,5,5,.08);color:var(--brand);border-radius:999px;padding:5px 10px;font-size:12px;font-weight:900;margin-bottom:10px}
.info-split-section{background:var(--soft)}
.info-split-grid{display:grid;gap:18px}
.info-column{background:#fff;border:1px solid var(--line);border-radius:24px;padding:20px;box-shadow:var(--shadow)}
.info-list{display:grid;gap:12px;margin-top:14px}
.mini-card{padding:16px}
.info-media{margin-top:16px;border-radius:18px;overflow:hidden;background:#f2f3f5}
.info-media img{width:100%;object-fit:cover;max-height:240px}
.sports-showcase,.score-data-section,.app-showcase{display:grid;gap:24px;align-items:center}
.showcase-image,.app-image,.score-image{background:#fff;border:1px solid var(--line);border-radius:24px;padding:12px;box-shadow:var(--shadow)}
.showcase-image img,.app-image img,.score-image img{border-radius:18px;width:100%;object-fit:cover}
.point-list{display:grid;gap:10px;margin-top:16px;padding:0;list-style:none}
.point-list li{padding:12px 14px;background:#fff;border:1px solid var(--line);border-radius:14px;color:#454950;margin:0}
.score-data-section{background:var(--soft);border-radius:28px;padding:24px}
.score-board{display:grid;gap:12px;margin-top:18px}
.data-card{padding:16px;background:#fff}
.data-card .num{display:block;color:var(--brand);font-size:24px;font-weight:900;line-height:1}
.app-showcase{background:#fff;border:1px solid var(--line);border-radius:28px;padding:24px;box-shadow:var(--shadow)}
.app-features{display:grid;gap:10px;margin:16px 0}
.app-features span{display:flex;align-items:center;gap:8px;color:#454950;font-weight:700}
.app-features span:before{content:"";width:8px;height:8px;border-radius:50%;background:var(--brand)}
.security-help-section{display:grid;gap:14px}
.security-card{padding:18px}
.responsible-play-section{background:#fafafa;border-left:5px solid var(--brand);border-radius:18px;padding:22px;border-top:1px solid var(--line);border-right:1px solid var(--line);border-bottom:1px solid var(--line)}
.responsible-play-section strong{color:#121316}
.faq-list{display:grid;gap:12px}
.faq-item{padding:18px}
.faq-item h3{font-size:17px;margin-bottom:6px}
.bottom-cta{background:linear-gradient(135deg,#fff5f5,#ffffff);border:1px solid rgba(213,5,5,.15);border-radius:26px;padding:26px;display:grid;gap:16px;align-items:center;box-shadow:var(--shadow)}
.page-hero{background:linear-gradient(180deg,#fff 0%,#fff6f6 100%);padding:42px 0;border-bottom:1px solid rgba(213,5,5,.08)}
.page-hero .container{display:grid;gap:14px}
.breadcrumb{font-size:13px;color:var(--brand);font-weight:800}
.page-layout{padding:42px 0;background:#fff}
.page-grid{display:grid;gap:18px}
.content-card{padding:20px}
.content-card h2{font-size:22px;margin-bottom:10px}
.page-points{display:grid;gap:12px;margin-top:16px}
.page-point{background:var(--soft);border:1px solid var(--line);border-radius:16px;padding:16px}
.notice-box{background:#fff;border:1px solid rgba(213,5,5,.16);border-left:5px solid var(--brand);border-radius:18px;padding:18px;margin-top:18px}
.related-links{display:flex;gap:10px;flex-wrap:wrap;margin-top:16px}
.related-links a{border:1px solid var(--line);border-radius:999px;padding:8px 13px;color:#3f4248;font-weight:700;background:#fff}
.related-links a:hover{border-color:rgba(213,5,5,.32);color:var(--brand)}
.steps{counter-reset:step;display:grid;gap:12px;margin:20px 0}
.step{position:relative;background:#fff;border:1px solid var(--line);border-radius:16px;padding:16px 16px 16px 54px;box-shadow:0 8px 22px rgba(31,39,52,.04)}
.step:before{counter-increment:step;content:counter(step);position:absolute;left:16px;top:18px;width:26px;height:26px;border-radius:50%;background:var(--brand);color:#fff;display:flex;align-items:center;justify-content:center;font-weight:900}
.site-footer{background:#22252b;color:#fff;padding:42px 0 24px;margin-top:0}
.footer-grid{display:grid;gap:24px}
.footer-logo{height:36px;width:auto;margin-bottom:12px}
.site-footer p{color:#c7cbd2;font-size:14px}
.site-footer h3{font-size:16px;color:#fff;margin-bottom:10px}
.site-footer a{display:block;color:#d7dbe2;font-size:14px;margin:7px 0}
.site-footer a:hover{color:#fff}
.footer-note{border-top:1px solid rgba(255,255,255,.12);margin-top:28px;padding-top:18px;text-align:left}
@media (min-width:720px){
    h1{font-size:44px}
    h2{font-size:31px}
    .section{padding:64px 0}
    .hero-grid,.sports-showcase,.app-showcase{grid-template-columns:1.02fr .98fr}
    .score-data-section{grid-template-columns:1fr 1fr;padding:32px}
    .category-grid-main{grid-template-columns:repeat(2,1fr)}
    .category-grid-sub{grid-template-columns:repeat(4,1fr)}
    .focus-match-cards{grid-template-columns:repeat(2,1fr)}
    .info-split-grid{grid-template-columns:1fr 1fr}
    .security-help-section{grid-template-columns:repeat(3,1fr)}
    .bottom-cta{grid-template-columns:1fr auto;padding:32px}
    .page-grid{grid-template-columns:repeat(2,1fr)}
    .page-grid .wide{grid-column:1/-1}
    .footer-grid{grid-template-columns:1.4fr .8fr .8fr .8fr}
}
@media (min-width:980px){
    .mobile-header,.mobile-nav{display:none!important}
    .desktop-topbar{display:block;background:var(--brand-dark);color:#fff;font-size:13px}
    .topbar-inner{height:36px;display:flex;align-items:center;justify-content:space-between;gap:18px}
    .desktop-header{display:block;background:#fff;border-bottom:1px solid var(--line)}
    .desktop-header-inner{height:78px;display:flex;align-items:center;gap:28px}
    .desktop-logo img{height:44px;width:auto;object-fit:contain}
    .desktop-nav{display:flex;align-items:center;gap:4px;flex:1;justify-content:center}
    .desktop-nav a{font-weight:800;color:#30333a;padding:10px 12px;border-radius:999px;font-size:15px;white-space:nowrap}
    .desktop-nav a:hover,.desktop-nav a.active{color:var(--brand);background:rgba(213,5,5,.07)}
    .desktop-actions{display:flex;align-items:center;gap:12px}
    .official-hero{min-height:540px;display:flex;align-items:center}
    .hero-grid{padding:70px 0 62px;grid-template-columns:1fr .92fr}
    .category-grid-main{grid-template-columns:repeat(4,1fr)}
    .category-main-card{min-height:250px}
    .sports-showcase{grid-template-columns:.95fr 1.05fr}
    .score-board{grid-template-columns:repeat(3,1fr)}
}