*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:#111722;color:#E8EDF6;font-family:Arial,"PingFang SC","Microsoft YaHei",sans-serif;line-height:1.8;overflow-x:hidden}a{color:inherit;text-decoration:none}img{max-width:100%}button{font:inherit}.site-header{position:sticky;top:0;z-index:9999;width:100%;background:#111722;box-shadow:0 10px 30px rgba(0,0,0,.24)}.header-inner{max-width:1280px;min-height:72px;margin:0 auto;padding:0 22px;display:grid;grid-template-columns:auto minmax(0,1fr) auto;align-items:center;gap:24px}.brand-logo,.mobile-logo,.footer-brand{display:flex;align-items:center}.brand-logo img,.mobile-logo img,.footer-brand img{height:46px;width:auto;max-width:165px;object-fit:contain}.logo-placeholder{color:#F0D89A;font-weight:800;font-size:24px;white-space:nowrap}.main-nav{display:flex;justify-content:center;align-items:center;gap:22px;min-width:0}.main-nav a{white-space:nowrap;color:#BAC3D2;font-size:15px;padding:7px 2px;border-bottom:2px solid transparent}.main-nav a:hover,.main-nav a.is-active{color:#F0D89A;border-color:#E4C77D}.header-actions{display:flex;gap:10px;white-space:nowrap}.btn{display:inline-flex;align-items:center;justify-content:center;min-height:40px;padding:7px 16px;border-radius:999px;font-weight:700;border:1px solid rgba(240,216,154,.18)}.btn-gold{background:#F0D89A;color:#111722}.btn-dark{background:#1E2736;color:#E8EDF6}.category-bar{border-top:1px solid rgba(240,216,154,.08);background:#18202D}.category-scroll{max-width:1280px;margin:0 auto;padding:0 22px;display:flex;gap:20px;overflow-x:auto;scrollbar-width:thin}.category-scroll a{flex:0 0 auto;padding:10px 0;color:#BAC3D2;font-size:14px;white-space:nowrap}.category-scroll a:hover{color:#F0D89A}.mobile-header,.mobile-drawer,.drawer-overlay,.mobile-bottom{display:none}.site-main{width:100%}.container{width:min(1280px,calc(100% - 44px));margin:0 auto}.article{width:min(860px,calc(100% - 44px));margin:0 auto}.section{padding:84px 0}.section-tight{padding:56px 0}.eyebrow{display:inline-block;color:#E4C77D;font-size:13px;letter-spacing:.12em;text-transform:uppercase;margin-bottom:10px}.page-hero{padding:74px 0 46px}.page-hero h1,.hero-copy h1{margin:0;color:#F0D89A;line-height:1.12;font-size:clamp(36px,4.2vw,54px)}.page-hero p,.hero-copy p{max-width:760px;color:#BAC3D2;font-size:18px;margin:18px 0 0}.section h2{color:#F0D89A;font-size:clamp(26px,3vw,38px);line-height:1.25;margin:0 0 18px}.section h3{color:#E8EDF6;font-size:20px;line-height:1.35;margin:0 0 10px}.section p{margin:0 0 16px}.muted{color:#BAC3D2}.note{color:#8F9AAF}.surface{background:#18202D;border:1px solid rgba(240,216,154,.14);border-radius:18px;box-shadow:0 16px 42px rgba(0,0,0,.26)}.soft{background:#1E2736;border:1px solid rgba(240,216,154,.10);border-radius:14px}.media{position:relative;width:100%;max-width:100%;overflow:hidden;border-radius:16px;background:#111722;border:1px solid rgba(240,216,154,.10)}.media img{position:absolute;inset:0;width:100%;height:100%;display:block;object-fit:contain;object-position:center center}.media-placeholder{position:absolute;inset:0;background:linear-gradient(145deg,#18202D,#111722)}.media.hero-media{aspect-ratio:16/7;min-height:260px;max-height:380px}.media.topic-media{aspect-ratio:16/10;min-height:150px;max-height:210px}.media.feature-media{aspect-ratio:4/3;min-height:220px;max-height:320px}.media.app-media{aspect-ratio:4/3;min-height:210px;max-height:300px}.hero-carousel{position:relative}.hero-slide{display:none;position:relative}.hero-slide.is-active{display:block}.hero-copy{position:absolute;left:5%;bottom:9%;z-index:2;max-width:560px;background:rgba(11,16,24,.80);padding:22px 24px;border-radius:16px;border:1px solid rgba(240,216,154,.12)}.hero-copy h1{font-size:clamp(32px,4vw,50px)}.hero-copy p{font-size:16px;margin:10px 0 16px}.hero-dots{display:flex;justify-content:center;gap:8px;margin-top:14px}.hero-dot{width:9px;height:9px;border:0;border-radius:999px;background:#596577;padding:0}.hero-dot.is-active{width:28px;background:#F0D89A}.guide-grid{display:grid;grid-template-columns:1.35fr .8fr .8fr;gap:18px}.guide-card{padding:28px}.guide-card:first-child{grid-row:span 2}.guide-card p{color:#BAC3D2}.text-link{color:#E4C77D;font-weight:700}.timeline{display:grid;grid-template-columns:repeat(6,1fr);gap:1px;background:rgba(240,216,154,.12);border:1px solid rgba(240,216,154,.12);border-radius:18px;overflow:hidden}.timeline a{background:#18202D;padding:18px 16px;min-height:110px}.timeline strong{display:block;color:#F0D89A}.feature-split,.split{display:grid;grid-template-columns:minmax(0,.9fr) minmax(0,1.1fr);gap:32px;align-items:center}.split.reverse{grid-template-columns:minmax(0,1.1fr) minmax(0,.9fr)}.sports-mosaic{display:grid;grid-template-columns:1.2fr .8fr .8fr;grid-auto-rows:minmax(160px,auto);gap:18px}.sports-mosaic>a{padding:26px;background:#18202D;border:1px solid rgba(240,216,154,.12);border-radius:18px}.sports-mosaic>a:first-child{grid-row:span 2}.topic-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}.topic-card{background:#18202D;border:1px solid rgba(240,216,154,.12);border-radius:18px;padding:12px}.topic-card .body{padding:15px 8px 8px}.topic-card p{font-size:14px;color:#BAC3D2;margin:8px 0}.app-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:24px}.app-images{display:grid;grid-template-columns:1fr 1fr;gap:16px}.service-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}.service-grid>div,.security-list>div,.feedback-grid>blockquote,.faq-item,.info-panel{padding:24px}.security-list{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}.feedback-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}.feedback-grid blockquote{margin:0;background:#1E2736;border-radius:14px;color:#BAC3D2}.faq-list{display:grid;gap:12px}.faq-item{background:#18202D;border:1px solid rgba(240,216,154,.10);border-radius:14px}.faq-item h3{color:#F0D89A}.article-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px}.info-list{display:grid;gap:14px}.info-row{padding:20px 22px;border-left:3px solid #E4C77D;background:#18202D;border-radius:0 14px 14px 0}.pill-list{display:flex;flex-wrap:wrap;gap:10px}.pill-list a,.pill-list span{background:#253044;border:1px solid rgba(240,216,154,.12);padding:7px 13px;border-radius:999px;color:#E8EDF6}.wide-narrow{display:grid;grid-template-columns:1.3fr .7fr;gap:20px}.three-uneven{display:grid;grid-template-columns:1.2fr .9fr .7fr;gap:16px}.related{display:flex;flex-wrap:wrap;gap:12px}.related a{padding:10px 14px;background:#1E2736;border-radius:999px;color:#E4C77D}.age-callout{padding:24px;border:1px solid rgba(240,216,154,.20);background:#18202D;border-radius:18px}.site-footer{background:#0B1018;padding:58px 0 26px;border-top:1px solid rgba(240,216,154,.10)}.footer-grid{width:min(1280px,calc(100% - 44px));margin:0 auto;display:grid;grid-template-columns:1.35fr repeat(3,1fr);gap:32px}.footer-grid h2{font-size:16px;color:#F0D89A;margin:0 0 12px}.footer-grid a{display:block;color:#BAC3D2;margin:5px 0}.footer-grid p{color:#8F9AAF}.footer-bottom{width:min(1280px,calc(100% - 44px));margin:32px auto 0;padding-top:22px;border-top:1px solid rgba(240,216,154,.08);display:flex;justify-content:space-between;gap:24px;color:#8F9AAF;font-size:13px}.footer-bottom p{margin:0}.desktop-tools{position:fixed;right:18px;bottom:24px;z-index:1500;display:grid;gap:8px}.tool{border:1px solid rgba(240,216,154,.14);background:#18202D;color:#E8EDF6;border-radius:999px;padding:8px 12px;text-align:center;cursor:pointer}.tool-gold{background:#F0D89A;color:#111722;font-weight:800}
@media(max-width:1100px){.header-inner{gap:14px;padding:0 16px}.main-nav{gap:12px}.main-nav a{font-size:14px}.header-actions .btn{padding:7px 12px}.topic-grid{grid-template-columns:repeat(3,1fr)}.timeline{grid-template-columns:repeat(3,1fr)}}
@media(max-width:900px){.site-header{display:none}.mobile-header{position:sticky;top:0;z-index:9998;height:64px;padding:0 14px;display:grid;grid-template-columns:88px minmax(0,1fr) 102px;align-items:center;background:#111722;box-shadow:0 10px 30px rgba(0,0,0,.24)}.menu-btn{justify-self:start;background:#1E2736;color:#F0D89A;border:1px solid rgba(240,216,154,.14);border-radius:12px;width:44px;height:42px}.mobile-logo{justify-self:center;min-width:0}.mobile-logo img{height:40px;max-width:140px}.mobile-register{justify-self:end;font-size:13px;padding:6px 11px;min-height:38px}.mobile-drawer{display:block;position:fixed;left:0;top:0;bottom:0;z-index:10001;width:min(86vw,330px);background:#18202D;transform:translateX(-105%);transition:transform .25s ease;overflow-y:auto}.drawer-overlay{display:block;position:fixed;inset:0;z-index:10000;background:rgba(0,0,0,.58);opacity:0;visibility:hidden;transition:.25s}.drawer-open{overflow:hidden}.drawer-open .mobile-drawer{transform:translateX(0)}.drawer-open .drawer-overlay{opacity:1;visibility:visible}.drawer-head{height:68px;padding:0 14px;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid rgba(240,216,154,.10)}.drawer-close{border:0;background:transparent;color:#F0D89A;font-size:32px}.drawer-nav{padding:18px 18px 28px}.drawer-nav h2{font-size:13px;color:#8F9AAF;margin:18px 0 7px;letter-spacing:.08em}.drawer-nav a{display:block;padding:8px 0;color:#E8EDF6}.guide-grid,.sports-mosaic,.security-list,.feedback-grid,.three-uneven{grid-template-columns:1fr 1fr}.guide-card:first-child,.sports-mosaic>a:first-child{grid-row:auto}.feature-split,.split,.split.reverse,.app-grid,.wide-narrow{grid-template-columns:1fr}.topic-grid{grid-template-columns:repeat(3,1fr)}.desktop-tools{display:none}.mobile-bottom{display:grid;position:fixed;z-index:9000;left:0;right:0;bottom:0;height:58px;grid-template-columns:repeat(5,1fr);background:#0B1018;border-top:1px solid rgba(240,216,154,.12)}.mobile-bottom a{display:flex;align-items:center;justify-content:center;font-size:13px;color:#BAC3D2}.site-footer{padding-bottom:84px}.footer-grid{grid-template-columns:1fr 1fr}}
@media(max-width:768px){.container,.article,.footer-grid,.footer-bottom{width:min(100% - 28px,1280px)}.section{padding:58px 0}.section-tight{padding:42px 0}.page-hero{padding:48px 0 30px}.page-hero h1,.hero-copy h1{font-size:clamp(30px,8vw,36px)}.page-hero p,.hero-copy p{font-size:16px}.media.hero-media{aspect-ratio:16/10;min-height:190px;max-height:280px}.hero-copy{position:relative;left:auto;bottom:auto;max-width:none;border-radius:0 0 16px 16px;margin-top:-1px}.hero-slide .media{border-radius:16px 16px 0 0}.guide-grid,.sports-mosaic,.security-list,.feedback-grid,.service-grid,.article-grid,.three-uneven{grid-template-columns:1fr}.timeline{grid-template-columns:1fr 1fr}.topic-grid{grid-template-columns:1fr 1fr}.app-images{grid-template-columns:1fr}.footer-grid{grid-template-columns:1fr 1fr}.footer-bottom{display:block}.footer-bottom p+p{margin-top:10px}}
@media(max-width:430px){.mobile-header{grid-template-columns:62px minmax(0,1fr) 92px;padding:0 10px}.mobile-logo img{height:38px;max-width:128px}.mobile-register{font-size:12px;padding:5px 9px}.topic-grid,.timeline,.footer-grid{grid-template-columns:1fr 1fr}.guide-card,.faq-item,.info-panel{padding:20px}.page-hero{padding-top:40px}}