*{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:#202020;background:#fff;line-height:1.75;overflow-x:hidden}
a{text-decoration:none;color:inherit}
img{max-width:100%;display:block}
.container{width:min(1180px,calc(100% - 32px));margin:0 auto}
.site-header{background:#fff;border-bottom:1px solid #eeeeee;position:sticky;top:0;z-index:50}
.mobile-topbar{height:62px;display:grid;grid-template-columns:56px 1fr 82px;align-items:center;padding:0 12px;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}
.menu-toggle span{height:2px;background:#222;border-radius:2px;width:22px;display:block}
.mobile-logo{justify-self:center}
.mobile-logo img{height:34px;width:auto}
.top-action{display:inline-flex;align-items:center;justify-content:center;background:rgb(213,5,5);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:#b90404}
.desktop-topbar{display:none;height:78px;align-items:center;gap:28px}
.brand-logo img{height:46px;width:auto}
.desktop-nav{display:flex;align-items:center;gap:8px;flex:1;justify-content:center}
.desktop-nav a{padding:10px 14px;border-radius:999px;color:#333;font-weight:600;font-size:15px}
.desktop-nav a:hover,.desktop-nav a.active,.mobile-nav a.active{color:rgb(213,5,5);background:#fff2f2}
.header-tools{display:flex;align-items:center;gap:18px}
.search-icon{width:22px;height:22px;border:2px solid #333;border-radius:50%;position:relative;display:inline-block}
.search-icon:after{content:"";width:8px;height:2px;background:#333;position:absolute;right:-6px;bottom:0;transform:rotate(45deg);border-radius:2px}
.mobile-nav{display:none;background:#fff;border-top:1px solid #f0f0f0;padding:10px 16px 16px;box-shadow:0 18px 30px rgba(0,0,0,.08)}
.mobile-nav.open{display:grid;grid-template-columns:1fr 1fr;gap:8px}
.mobile-nav a{padding:12px 14px;border-radius:14px;background:#f7f7f7;font-weight:650;color:#333}
.section{padding:54px 0}
.section.light{background:#f7f7f7}
.section-title{margin:0 0 14px;font-size:28px;line-height:1.25;color:#111;letter-spacing:-.5px}
.section-lead{margin:0 0 28px;color:#555;font-size:16px;max-width:820px}
.official-hero{background:linear-gradient(180deg,#fff 0%,#fff8f8 60%,#fff 100%);padding:48px 0 54px;overflow:hidden}
.hero-grid{display:grid;gap:30px;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{font-size:16px;color:#4a4a4a;margin:0 0 20px}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;margin:22px 0}
.hero-tags span,.red-tag{display:inline-flex;align-items:center;background:#fff2f2;color:rgb(213,5,5);border:1px solid #ffd4d4;border-radius:999px;padding:7px 12px;font-weight:700;font-size:13px}
.hero-media{position:relative}
.hero-media:before{content:"";position:absolute;inset:8% -3% -3% 10%;background:rgba(213,5,5,.09);border-radius:34px;z-index:0}
.hero-media img{position:relative;z-index:1;border-radius:26px;box-shadow:0 24px 60px rgba(0,0,0,.12);width:100%;object-fit:cover}
.main-btn{display:inline-flex;align-items:center;justify-content:center;background:rgb(213,5,5);color:#fff;border-radius:999px;padding:13px 28px;font-weight:800;letter-spacing:.2px;box-shadow:0 12px 24px rgba(213,5,5,.2)}
.subtle-link{display:inline-flex;align-items:center;font-weight:800;color:rgb(213,5,5);margin-top:10px}
.subtle-link:after{content:"›";font-size:20px;margin-left:4px}
.category-grid,.service-grid,.security-grid,.info-grid,.mini-grid,.related-grid,.faq-grid,.steps-grid{display:grid;gap:18px}
.category-grid{grid-template-columns:1fr}
.sports-card,.service-card,.score-card,.info-card,.security-card,.faq-item,.content-card,.notice-box,.related-card,.step-card{background:#fff;border:1px solid #ececec;border-radius:20px;padding:22px;box-shadow:0 12px 30px rgba(0,0,0,.045)}
.sports-card h3,.service-card h3,.score-card h3,.info-card h3,.security-card h3,.content-card h3,.related-card h3,.step-card h3{margin:0 0 10px;color:#111;font-size:20px}
.sports-card p,.service-card p,.score-card p,.info-card p,.security-card p,.content-card p,.related-card p,.step-card p{margin:0;color:#555}
.service-card .red-tag{margin-bottom:12px}
.split{display:grid;gap:26px;align-items:center}
.split img{border-radius:24px;box-shadow:0 18px 44px rgba(0,0,0,.09);width:100%;object-fit:cover}
.feature-list{display:grid;gap:13px;margin:22px 0 0;padding:0;list-style:none}
.feature-list li{background:#fff;border:1px solid #eeeeee;border-radius:16px;padding:15px 16px;color:#4b4b4b}
.feature-list strong{display:block;color:#111;margin-bottom:4px}
.score-panel{background:#fff;border:1px solid #e8e8e8;border-radius:24px;padding:18px;box-shadow:0 15px 34px rgba(0,0,0,.055)}
.match-row{display:flex;align-items:center;justify-content:space-between;gap:14px;padding:15px;border-radius:16px;background:#f8f8f8;margin-bottom:12px}
.match-row:last-child{margin-bottom:0}
.match-team{font-weight:800;color:#222}
.match-status{font-size:12px;color:rgb(213,5,5);background:#fff1f1;border-radius:999px;padding:4px 9px;font-weight:800}
.data-panel{display:grid;gap:14px;margin-top:18px}
.data-item{background:#fff;border:1px solid #eeeeee;border-radius:18px;padding:18px}
.data-item span{color:rgb(213,5,5);font-weight:900;font-size:22px;display:block;margin-bottom:6px}
.app-showcase{background:#111;color:#fff;border-radius:30px;padding:28px;overflow:hidden}
.app-showcase p,.app-showcase .section-lead{color:#e6e6e6}
.app-showcase .section-title{color:#fff}
.app-showcase img{border-radius:24px}
.platform-info-section .info-card{height:100%}
.security-section{background:#fff}
.responsible-play-section{background:#fff7f7}
.notice-box{border-color:#ffd3d3;background:#fff}
.notice-box strong{color:rgb(213,5,5)}
.faq-item h3{margin:0 0 10px;font-size:18px;color:#111}
.faq-item p{margin:0;color:#555}
.cta-band{background:rgb(213,5,5);color:#fff;border-radius:28px;padding:34px;text-align:center}
.cta-band h2{margin:0 0 12px;font-size:28px}
.cta-band p{margin:0 auto 22px;max-width:760px;color:#ffeaea}
.cta-band .main-btn{background:#fff;color:rgb(213,5,5);box-shadow:none}
.site-footer{background:#151515;color:#ddd;padding-top:42px}
.footer-grid{display:grid;gap:28px}
.footer-logo img{height:42px;margin-bottom:16px}
.site-footer h3{margin:0 0 12px;color:#fff;font-size:18px}
.site-footer a{display:block;color:#d9d9d9;margin:8px 0}
.site-footer p{color:#c6c6c6;margin:0}
.footer-bottom{border-top:1px solid rgba(255,255,255,.1);text-align:center;margin-top:34px;padding:18px;color:#aaa;font-size:14px}
.page-hero{padding:52px 0;background:linear-gradient(180deg,#fff8f8 0%,#fff 100%);border-bottom:1px solid #f1f1f1}
.page-hero h1{font-size:34px;line-height:1.22;margin:0 0 14px;color:#111}
.page-hero p{margin:0;color:#555;max-width:860px}
.content-section{padding:46px 0}
.content-grid{display:grid;gap:18px}
.content-card ul,.notice-box ul{margin:12px 0 0;padding-left:20px;color:#555}
.content-card li,.notice-box li{margin:8px 0}
.related-links{display:flex;flex-wrap:wrap;gap:10px;margin-top:18px}
.related-links a{border:1px solid #ffd1d1;background:#fff7f7;color:rgb(213,5,5);font-weight:800;border-radius:999px;padding:9px 14px}
.steps-grid{counter-reset:step}
.step-card{position:relative;padding-left:70px}
.step-card:before{counter-increment:step;content:counter(step);position:absolute;left:22px;top:24px;width:34px;height:34px;border-radius:50%;background:rgb(213,5,5);color:#fff;display:flex;align-items:center;justify-content:center;font-weight:900}
@media (min-width:640px){
    .category-grid{grid-template-columns:repeat(2,1fr)}
    .service-grid,.security-grid,.mini-grid,.faq-grid,.related-grid,.steps-grid{grid-template-columns:repeat(2,1fr)}
    .hero-copy h1{font-size:42px}
}
@media (min-width:900px){
    .mobile-topbar,.mobile-nav{display:none!important}
    .desktop-topbar{display:flex}
    .official-hero{padding:76px 0}
    .hero-grid{grid-template-columns:1.05fr .95fr;gap:48px}
    .hero-copy h1{font-size:52px}
    .section{padding:74px 0}
    .section-title{font-size:36px}
    .category-grid{grid-template-columns:repeat(3,1fr)}
    .service-grid,.security-grid{grid-template-columns:repeat(3,1fr)}
    .mini-grid{grid-template-columns:repeat(3,1fr)}
    .split{grid-template-columns:1fr 1fr;gap:42px}
    .info-grid{grid-template-columns:1fr 1fr}
    .footer-grid{grid-template-columns:1.4fr .8fr .8fr 1fr}
    .content-grid{grid-template-columns:repeat(2,1fr)}
    .faq-grid{grid-template-columns:repeat(2,1fr)}
    .related-grid{grid-template-columns:repeat(3,1fr)}
}
@media (min-width:1100px){
    .desktop-nav a{padding:10px 16px}
}
