*{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;color:#202124;background:#f6f7f9;line-height:1.75}a{color:inherit;text-decoration:none}img{max-width:100%;display:block}p{margin:0 0 14px;color:#4b4f58}.container{width:min(1160px,calc(100% - 32px));margin:0 auto}.site-header{position:relative;z-index:20;background:#fff;box-shadow:0 8px 26px rgba(27,31,38,.08)}.desktop-topbar{display:none;background:rgb(180,4,4);color:#fff;font-size:13px}.topbar-inner{display:flex;align-items:center;justify-content:space-between;gap:20px;min-height:36px}.mobile-header{height:64px;background:#fff;display:grid;grid-template-columns:72px 1fr 86px;align-items:center;border-bottom:3px solid rgb(180,4,4);padding:0 12px}.menu-button{width:42px;height:42px;border:0;background:transparent;display:flex;flex-direction:column;justify-content:center;gap:5px;padding:0 8px;cursor:pointer}.menu-button span{height:2px;border-radius:2px;background:#202124;display:block}.mobile-logo{justify-self:center}.mobile-logo img{height:38px;width:auto}.top-action{display:inline-flex;align-items:center;justify-content:center;background:rgb(213,5,5);color:#fff;border-radius:999px;font-weight:700;min-height:38px;padding:0 17px;font-size:14px;box-shadow:0 8px 18px rgba(213,5,5,.18);transition:.2s}.top-action:hover,.main-btn:hover{background:rgb(180,4,4);transform:translateY(-1px)}.mobile-nav{display:none;background:#fff;border-bottom:1px solid #eceff3;padding:8px 16px 14px}.mobile-nav.open{display:grid;grid-template-columns:1fr 1fr;gap:8px}.mobile-nav a{padding:10px 12px;border-radius:12px;background:#f6f7f9;font-size:14px;color:#30343b}.mobile-nav a.active{background:rgba(213,5,5,.1);color:rgb(213,5,5);font-weight:700}.desktop-nav-wrap{display:none}.desktop-nav{height:78px;display:flex;align-items:center;gap:28px}.desktop-logo img{height:50px;width:auto}.nav-links{display:flex;align-items:center;gap:4px;flex:1;justify-content:center}.nav-links a{padding:10px 14px;border-radius:999px;font-size:15px;color:#31343a;transition:.2s;white-space:nowrap}.nav-links a:hover,.nav-links a.active{color:rgb(213,5,5);background:rgba(213,5,5,.08);font-weight:700}.search-icon{width:36px;height:36px;border:1px solid #e1e4e8;border-radius:50%;display:inline-block;position:relative;background:#fff}.search-icon:before{content:"";position:absolute;width:12px;height:12px;border:2px solid #343840;border-radius:50%;left:10px;top:9px}.search-icon:after{content:"";position:absolute;width:9px;height:2px;background:#343840;transform:rotate(45deg);left:21px;top:22px;border-radius:2px}.desktop-action{min-width:82px}.main-btn{display:inline-flex;align-items:center;justify-content:center;background:rgb(213,5,5);color:#fff;border-radius:999px;min-height:46px;padding:0 26px;font-weight:800;box-shadow:0 12px 24px rgba(213,5,5,.22);transition:.2s}.text-link{color:rgb(213,5,5);font-weight:700}.section{padding:58px 0}.section-title{font-size:28px;line-height:1.25;margin:0 0 12px;color:#111827}.section-desc{max-width:760px;margin-bottom:28px}.eyebrow{display:inline-flex;align-items:center;gap:8px;background:rgba(213,5,5,.08);color:rgb(213,5,5);border-radius:999px;padding:5px 12px;font-size:13px;font-weight:800;margin-bottom:14px}.official-hero{background:linear-gradient(180deg,#fff 0%,#fff5f5 100%);padding:42px 0 34px}.hero-grid{display:grid;gap:28px;align-items:center}.hero-content h1{font-size:34px;line-height:1.18;margin:0 0 16px;color:#12151b;letter-spacing:-.5px}.hero-content p{font-size:16px}.hero-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:22px}.hero-tags span{background:#fff;border:1px solid #f0d6d6;color:#555b65;border-radius:999px;padding:6px 12px;font-size:13px}.hero-visual{background:#fff;border-radius:24px;padding:12px;box-shadow:0 24px 60px rgba(38,43,52,.12);border:1px solid #f1e8e8}.hero-visual img{border-radius:18px;width:100%;height:auto}.category-section{padding:58px 0;background:#fff}.category-main-grid{display:grid;gap:16px}.category-sub-grid{display:grid;gap:14px;margin-top:16px}.category-main-card,.category-sub-card,.focus-card,.info-card,.security-card,.faq-item,.page-card,.data-card,.step-card{background:#fff;border:1px solid #eceff3;border-radius:18px;box-shadow:0 10px 28px rgba(30,35,45,.05)}.category-main-card{padding:24px;min-height:245px;display:flex;flex-direction:column}.category-main-card h3,.category-sub-card h3,.focus-card h3,.info-card h3,.security-card h3,.page-card h3,.data-card h3,.step-card h3{margin:0 0 10px;color:#151922;line-height:1.35}.category-main-card p,.category-sub-card p,.focus-card p,.info-card p,.security-card p,.page-card p,.data-card p,.step-card p{font-size:15px}.category-main-card .text-link,.category-sub-card .text-link,.focus-card .text-link{margin-top:auto}.category-sub-card{padding:20px}.focus-section{background:#f6f7f9}.focus-grid{display:grid;gap:16px}.focus-card{padding:22px;position:relative;overflow:hidden}.focus-card:before{content:"";position:absolute;left:0;top:0;width:5px;height:100%;background:rgb(213,5,5)}.badge{display:inline-block;font-size:12px;color:#fff;background:rgb(213,5,5);border-radius:999px;padding:3px 10px;margin-bottom:12px;font-weight:700}.info-split{background:#fff}.split-grid{display:grid;gap:22px}.split-panel{background:#f6f7f9;border-radius:24px;padding:22px;border:1px solid #eceff3}.info-list{display:grid;gap:12px;margin-top:18px}.info-card{padding:18px}.split-image{margin-top:20px;border-radius:18px;overflow:hidden}.sports-showcase{background:#f6f7f9}.showcase-grid,.app-grid,.data-grid{display:grid;gap:24px;align-items:center}.showcase-image,.app-image,.data-image{border-radius:24px;overflow:hidden;background:#fff;padding:10px;box-shadow:0 18px 46px rgba(31,35,44,.1);border:1px solid #edf0f3}.check-list{list-style:none;margin:18px 0 0;padding:0;display:grid;gap:10px}.check-list li{position:relative;padding-left:28px;color:#3c414a}.check-list li:before{content:"";position:absolute;left:0;top:8px;width:16px;height:16px;border-radius:50%;background:rgba(213,5,5,.12)}.check-list li:after{content:"";position:absolute;left:5px;top:12px;width:6px;height:3px;border-left:2px solid rgb(213,5,5);border-bottom:2px solid rgb(213,5,5);transform:rotate(-45deg)}.score-data{background:#fff}.data-card-grid{display:grid;gap:14px;margin-top:22px}.data-card{padding:18px}.data-number{font-size:26px;font-weight:900;color:rgb(213,5,5);line-height:1;margin-bottom:10px}.app-showcase{background:#f6f7f9}.app-panel{background:#fff;border:1px solid #eceff3;border-radius:26px;padding:24px;box-shadow:0 16px 44px rgba(31,35,44,.06)}.security-help{background:#fff}.security-grid{display:grid;gap:16px}.security-card{padding:20px}.responsible-play{background:#f6f7f9}.notice-box{background:#fff;border-radius:22px;border:1px solid #eceff3;border-left:6px solid rgb(213,5,5);padding:24px;box-shadow:0 12px 30px rgba(31,35,44,.06)}.faq-section{background:#fff}.faq-list{display:grid;gap:14px}.faq-item{padding:20px}.faq-item h3{margin:0 0 8px;font-size:18px}.bottom-cta{background:linear-gradient(180deg,#fff5f5 0%,#fff 100%);padding:52px 0}.cta-box{text-align:center;background:#fff;border:1px solid #f0d6d6;border-radius:28px;padding:34px 20px;box-shadow:0 22px 58px rgba(31,35,44,.08)}.cta-box h2{margin:0 0 12px;font-size:28px}.page-hero{background:linear-gradient(180deg,#fff 0%,#fff5f5 100%);padding:50px 0 44px;border-bottom:1px solid #f0e4e4}.page-hero h1{font-size:34px;line-height:1.2;margin:0 0 15px;color:#111827}.page-hero p{max-width:840px;font-size:16px}.page-section{padding:50px 0}.page-grid{display:grid;gap:16px}.page-card{padding:22px}.page-card.highlight{border-color:#f0c4c4;background:#fffafa}.two-col{display:grid;gap:22px}.content-box{background:#fff;border:1px solid #eceff3;border-radius:22px;padding:24px;box-shadow:0 12px 30px rgba(31,35,44,.05)}.content-box h2{margin:0 0 12px;font-size:24px}.related-links{display:flex;flex-wrap:wrap;gap:10px;margin-top:16px}.related-links a{background:#fff;border:1px solid #eceff3;border-radius:999px;padding:8px 14px;color:#333943}.related-links a:hover{border-color:rgb(213,5,5);color:rgb(213,5,5)}.steps{counter-reset:step;display:grid;gap:14px}.step-card{padding:18px;position:relative}.step-card:before{counter-increment:step;content:counter(step);display:inline-flex;align-items:center;justify-content:center;width:30px;height:30px;border-radius:50%;background:rgb(213,5,5);color:#fff;font-weight:800;margin-bottom:10px}.contact-list{display:grid;gap:12px}.contact-item{padding:16px;border:1px solid #eceff3;border-radius:16px;background:#fff}.site-footer{background:#1d2027;color:#fff;margin-top:0}.footer-grid{display:grid;gap:24px;padding:42px 0}.footer-logo{height:44px;width:auto;margin-bottom:14px}.site-footer p{color:#cfd3dc;font-size:14px}.site-footer h3{font-size:16px;margin:0 0 12px}.site-footer a{display:block;color:#dfe3ea;font-size:14px;margin:6px 0}.site-footer a:hover{color:#fff}.footer-bottom{border-top:1px solid rgba(255,255,255,.12)}.footer-bottom-inner{min-height:52px;display:flex;flex-direction:column;justify-content:center;gap:4px;color:#cfd3dc;font-size:13px}.table-like{display:grid;gap:10px}.row-card{display:grid;gap:6px;background:#fff;border:1px solid #eceff3;border-radius:16px;padding:16px}.row-card strong{color:#111827}.row-card span{color:#5b606b;font-size:14px}.pill-row{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px}.pill-row span{background:#fff;border:1px solid #eadada;border-radius:999px;padding:6px 12px;color:#555b65;font-size:13px}@media (min-width:680px){.category-main-grid{grid-template-columns:repeat(2,1fr)}.category-sub-grid{grid-template-columns:repeat(2,1fr)}.focus-grid{grid-template-columns:repeat(2,1fr)}.security-grid{grid-template-columns:repeat(2,1fr)}.data-card-grid{grid-template-columns:repeat(3,1fr)}.page-grid{grid-template-columns:repeat(2,1fr)}.footer-grid{grid-template-columns:1.5fr 1fr 1fr 1fr}.footer-bottom-inner{flex-direction:row;align-items:center;justify-content:space-between}}@media (min-width:980px){.mobile-header,.mobile-nav{display:none}.desktop-topbar,.desktop-nav-wrap{display:block}.official-hero{padding:68px 0 54px}.hero-grid{grid-template-columns:1.02fr .98fr}.hero-content h1{font-size:52px}.section{padding:76px 0}.section-title{font-size:36px}.category-main-grid{grid-template-columns:repeat(4,1fr)}.category-main-card:nth-child(1){grid-column:span 1}.category-sub-grid{grid-template-columns:repeat(4,1fr)}.split-grid{grid-template-columns:1fr 1fr}.showcase-grid,.app-grid,.data-grid{grid-template-columns:1fr 1fr}.security-grid{grid-template-columns:repeat(3,1fr)}.page-hero{padding:72px 0 60px}.page-hero h1{font-size:44px}.page-grid{grid-template-columns:repeat(3,1fr)}.two-col{grid-template-columns:1fr 1fr}.row-card{grid-template-columns:150px 1fr}.row-card span{align-self:center}}@media (max-width:360px){.mobile-header{grid-template-columns:56px 1fr 72px}.top-action{padding:0 12px}.mobile-logo img{height:32px}.container{width:calc(100% - 24px)}.hero-content h1,.page-hero h1{font-size:30px}}