:root{
    --brand: rgb(213, 5, 5);
    --brand-dark: rgb(176, 0, 0);
    --text: #191919;
    --muted: #626262;
    --light: #f6f6f6;
    --line: #e8e8e8;
    --white: #ffffff;
    --dark: #101010;
}
*{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;
    background:var(--white);
    color:var(--text);
    line-height:1.75;
    overflow-x:hidden;
}
a{color:inherit;text-decoration:none;}
img{max-width:100%;height:auto;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-header{height:58px;display:grid;grid-template-columns:56px 1fr 86px;align-items:center;background:#fff;padding:0 12px;}
.menu-toggle{width:42px;height:42px;border:0;background:transparent;display:flex;flex-direction:column;justify-content:center;gap:5px;padding:0;cursor:pointer;}
.menu-toggle span{display:block;width:22px;height:2px;background:#1a1a1a;border-radius:4px;margin-left:4px;}
.mobile-logo{justify-self:center;display:flex;align-items:center;justify-content:center;}
.mobile-logo img{height:34px;max-width:122px;object-fit:contain;}
.top-action{display:inline-flex;align-items:center;justify-content:center;background:var(--brand);color:#fff;border-radius:999px;padding:8px 18px;font-weight:700;font-size:14px;white-space:nowrap;box-shadow:0 8px 18px rgba(213,5,5,.18);}
.top-action:hover{background:var(--brand-dark);}
.mobile-nav{display:none;border-top:1px solid var(--line);background:#fff;padding:8px 16px 16px;}
.mobile-nav.is-open{display:grid;grid-template-columns:1fr 1fr;gap:8px;}
.mobile-nav a{padding:10px 12px;background:#f7f7f7;border-radius:12px;color:#333;font-size:14px;}
.mobile-nav a.active{background:rgba(213,5,5,.08);color:var(--brand);font-weight:700;}
.desktop-header{display:none;}
.desktop-logo img{height:42px;max-width:150px;object-fit:contain;}
.desktop-nav{display:flex;align-items:center;gap:22px;white-space:nowrap;}
.desktop-nav a{font-size:15px;color:#333;position:relative;padding:27px 0;}
.desktop-nav a.active,.desktop-nav a:hover{color:var(--brand);font-weight:700;}
.desktop-nav a.active:after{content:"";position:absolute;left:0;right:0;bottom:17px;height:3px;border-radius:6px;background:var(--brand);}
.search-icon{width:34px;height:34px;border:1px solid #dedede;border-radius:50%;position:relative;display:inline-block;background:#fff;}
.search-icon:before{content:"";position:absolute;width:11px;height:11px;border:2px solid #4a4a4a;border-radius:50%;left:9px;top:8px;}
.search-icon:after{content:"";position:absolute;width:8px;height:2px;background:#4a4a4a;transform:rotate(45deg);left:20px;top:21px;border-radius:2px;}
.main-btn{display:inline-flex;align-items:center;justify-content:center;background:var(--brand);color:#fff;border-radius:999px;padding:13px 28px;font-weight:800;letter-spacing:.5px;box-shadow:0 14px 28px rgba(213,5,5,.22);transition:.2s ease;}
.main-btn:hover{background:var(--brand-dark);transform:translateY(-1px);}
.ghost-link,.card-link{color:var(--brand);font-weight:700;display:inline-flex;align-items:center;gap:6px;margin-top:10px;}
.ghost-link:after,.card-link:after{content:"›";font-size:20px;line-height:1;}
.hero{background:linear-gradient(180deg,#fff 0%,#f8f8f8 100%);}
.sports-hero,.official-hero-section{padding:42px 0 30px;}
.hero-grid{display:grid;gap:26px;align-items:center;}
.hero h1,.sub-hero h1{font-size:34px;line-height:1.22;margin:0 0 16px;color:#111;letter-spacing:-.5px;}
.hero h1 span,.sub-hero h1 span{color:var(--brand);}
.hero p,.sub-hero p,.section-lead{color:#4c4c4c;margin:0 0 18px;font-size:16px;}
.brand-tags{display:flex;flex-wrap:wrap;gap:10px;margin:20px 0 24px;}
.brand-tags span,.red-tag,.state-tag{display:inline-flex;align-items:center;border-radius:999px;background:rgba(213,5,5,.08);color:var(--brand);font-size:13px;font-weight:700;padding:7px 12px;}
.hero-visual{background:#fff;border:1px solid var(--line);border-radius:24px;padding:14px;box-shadow:0 16px 38px rgba(0,0,0,.08);position:relative;overflow:hidden;}
.hero-visual:after{content:"";position:absolute;right:-70px;bottom:-70px;width:160px;height:160px;background:rgba(213,5,5,.08);border-radius:50%;}
.hero-visual img{border-radius:18px;width:100%;object-fit:cover;}
.section{padding:48px 0;}
.section.gray{background:#f7f7f7;}
.section-title{margin:0 0 12px;font-size:28px;line-height:1.28;color:#111;}
.section-head{margin-bottom:24px;max-width:820px;}
.category-grid,.service-grid,.info-grid,.security-grid,.score-grid,.faq-grid,.related-grid{display:grid;gap:16px;}
.category-grid{grid-template-columns:1fr;}
.sports-card,.service-card,.info-card,.security-card,.faq-item,.score-card,.data-panel,.notice-box,.contact-card{background:#fff;border:1px solid var(--line);border-radius:18px;padding:20px;box-shadow:0 10px 24px rgba(0,0,0,.04);}
.sports-card h3,.service-card h3,.info-card h3,.security-card h3,.score-card h3,.faq-item h3,.contact-card h3{margin:0 0 10px;font-size:19px;color:#111;}
.sports-card p,.service-card p,.info-card p,.security-card p,.score-card p,.faq-item p,.contact-card p{margin:0;color:#555;}
.service-card .red-tag{margin-bottom:12px;}
.split-section{display:grid;gap:24px;align-items:center;}
.image-card{background:#fff;border:1px solid var(--line);border-radius:22px;padding:12px;box-shadow:0 14px 32px rgba(0,0,0,.07);overflow:hidden;}
.image-card img{border-radius:16px;width:100%;object-fit:cover;}
.point-list{display:grid;gap:12px;margin-top:20px;}
.point{padding:14px 16px;border-left:4px solid var(--brand);background:#fff;border-radius:12px;border-top:1px solid var(--line);border-right:1px solid var(--line);border-bottom:1px solid var(--line);}
.point strong{display:block;color:#111;margin-bottom:4px;}
.point span{display:block;color:#555;font-size:14px;}
.score-panel{background:#111;color:#fff;border-radius:24px;padding:22px;box-shadow:0 16px 36px rgba(0,0,0,.12);}
.score-panel h3{margin:0 0 14px;font-size:22px;}
.score-row{display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid rgba(255,255,255,.12);padding:12px 0;gap:12px;}
.score-row:last-child{border-bottom:0;}
.score-row span{color:#d8d8d8;font-size:14px;}
.score-row strong{font-size:18px;color:#fff;}
.data-panel{padding:0;overflow:hidden;}
.data-panel .panel-head{background:var(--brand);color:#fff;padding:18px 20px;font-weight:800;}
.data-panel ul{list-style:none;margin:0;padding:10px 20px 18px;}
.data-panel li{padding:12px 0;border-bottom:1px solid var(--line);color:#555;}
.data-panel li:last-child{border-bottom:0;}
.app-showcase{background:linear-gradient(180deg,#fff,#f9f9f9);}
.platform-info-section .info-grid{grid-template-columns:1fr;}
.security-section{background:#fff;}
.responsible-play-section{background:#f7f7f7;}
.responsible-box{background:#fff;border:1px solid var(--line);border-radius:22px;padding:24px;box-shadow:0 12px 28px rgba(0,0,0,.05);}
.responsible-box ul,.notice-box ul{margin:14px 0 0;padding-left:20px;color:#555;}
.responsible-box li,.notice-box li{margin:8px 0;}
.faq-item h3{font-size:17px;}
.cta-section{background:var(--brand);color:#fff;text-align:center;padding:44px 0;}
.cta-section h2{margin:0 0 12px;font-size:28px;}
.cta-section p{margin:0 auto 22px;max-width:760px;color:rgba(255,255,255,.9);}
.cta-section .main-btn{background:#fff;color:var(--brand);box-shadow:none;}
.cta-section .main-btn:hover{background:#f2f2f2;}
.sub-hero{padding:42px 0;background:linear-gradient(180deg,#fff 0,#f7f7f7 100%);border-bottom:1px solid var(--line);}
.sub-hero .crumb{color:var(--brand);font-weight:800;margin-bottom:10px;display:block;}
.page-main .section{padding:44px 0;}
.content-block{background:#fff;border:1px solid var(--line);border-radius:22px;padding:24px;box-shadow:0 12px 28px rgba(0,0,0,.04);}
.content-block p{color:#555;margin:0 0 14px;}
.content-block p:last-child{margin-bottom:0;}
.two-column{display:grid;gap:18px;}
.related-grid{grid-template-columns:1fr;}
.related-grid a{background:#fff;border:1px solid var(--line);border-radius:16px;padding:16px;color:#222;font-weight:700;}
.related-grid a:hover{color:var(--brand);border-color:rgba(213,5,5,.35);}
.download-steps{counter-reset:step;display:grid;gap:14px;margin-top:22px;}
.download-steps div{counter-increment:step;background:#fff;border:1px solid var(--line);border-radius:18px;padding:18px 18px 18px 62px;position:relative;}
.download-steps div:before{content:counter(step);position:absolute;left:18px;top:18px;width:30px;height:30px;border-radius:50%;background:var(--brand);color:#fff;display:flex;align-items:center;justify-content:center;font-weight:800;}
.site-footer{background:#111;color:#f1f1f1;padding-top:38px;}
.footer-grid{display:grid;gap:24px;}
.footer-logo{height:38px;width:auto;margin-bottom:14px;}
.site-footer p{color:#c9c9c9;margin:0;}
.site-footer h3{margin:0 0 12px;font-size:17px;}
.site-footer a{display:block;color:#dcdcdc;margin:7px 0;}
.site-footer a:hover{color:#fff;}
.footer-bottom{border-top:1px solid rgba(255,255,255,.12);text-align:center;color:#c9c9c9;padding:16px;margin-top:30px;font-size:13px;}
@media (min-width:640px){
    .category-grid,.service-grid,.info-grid,.security-grid,.score-grid,.faq-grid{grid-template-columns:repeat(2,1fr);}
    .related-grid{grid-template-columns:repeat(3,1fr);}
}
@media (min-width:900px){
    .mobile-header,.mobile-nav{display:none!important;}
    .desktop-header{height:78px;display:flex;align-items:center;justify-content:space-between;gap:24px;}
    .desktop-nav{flex:1;justify-content:center;}
    .sports-hero,.official-hero-section{padding:70px 0 48px;}
    .hero-grid{grid-template-columns:1.04fr .96fr;gap:46px;}
    .hero h1,.sub-hero h1{font-size:46px;}
    .section{padding:68px 0;}
    .section-title{font-size:34px;}
    .category-grid{grid-template-columns:repeat(3,1fr);}
    .service-grid{grid-template-columns:repeat(3,1fr);}
    .split-section{grid-template-columns:1fr 1fr;gap:42px;}
    .platform-info-section .info-grid{grid-template-columns:repeat(2,1fr);}
    .two-column{grid-template-columns:1fr 1fr;}
    .footer-grid{grid-template-columns:1.6fr 1fr 1fr 1.2fr;}
    .sub-hero{padding:64px 0;}
}
@media (min-width:1120px){
    .desktop-nav{gap:26px;}
    .desktop-nav a{font-size:16px;}
}