*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:#0C0F14;color:#D5D8DF;font:16px/1.75 Arial,"PingFang SC","Microsoft YaHei",sans-serif;overflow-x:hidden}body.drawer-open{overflow:hidden}a{color:#FFC44D;text-decoration:none;touch-action:manipulation}a:hover{text-decoration:underline}button{font:inherit;cursor:pointer;touch-action:manipulation}img{max-width:100%}h1,h2,h3{color:#F7F8FA;line-height:1.35}h1{font-size:clamp(28px,3.3vw,40px);margin:0 0 20px}h2{font-size:25px;margin:0 0 18px}h3{font-size:19px;margin:0 0 12px}p{margin:0 0 18px}.container{max-width:1200px;margin:auto;padding-left:22px;padding-right:22px}.skip-link{position:absolute;top:-100px;left:10px;z-index:20000;background:#fff;color:#000;padding:8px}.skip-link:focus{top:5px}.site-header{position:relative;z-index:1000;background:#141820;border-bottom:1px solid #2D333F}.header-inner{max-width:1200px;margin:auto;min-height:76px;padding:0 22px;display:flex;align-items:center;gap:24px}.brand{display:inline-flex;align-items:center;flex:none;color:#F7F8FA;white-space:nowrap;line-height:1}.brand img{height:34px;width:auto;max-width:160px;object-fit:contain}.brand strong{font-size:24px;letter-spacing:.7px}.brand span{font-size:12px;color:#9AA3B2}.desktop-nav{display:flex;align-items:center;justify-content:center;flex:1;gap:clamp(10px,1.8vw,26px);min-width:0;white-space:nowrap}.desktop-nav a{min-height:76px;display:inline-flex;align-items:center;color:#D5D8DF;border-bottom:2px solid transparent;padding-top:2px;font-size:15px}.desktop-nav a.active{color:#fff;border-bottom-color:#FF8A00}.btn{display:inline-flex;align-items:center;justify-content:center;border-radius:999px;padding:10px 24px;min-height:44px;font-weight:700;transition:filter .15s;color:#fff;background:linear-gradient(90deg,#FF8A00 0%,#FFC44D 100%);white-space:nowrap}.btn:hover{filter:brightness(1.08);text-decoration:none}.header-register{min-height:40px;padding:7px 25px}.menu-toggle{display:none}.site-main{padding-bottom:44px}.hero{padding-top:44px;padding-bottom:26px}.hero p{max-width:920px;font-size:17px}.eyebrow{color:#FFC44D;font-size:13px;font-weight:700;letter-spacing:2px;margin-bottom:12px}.panel{background:#1A1F28;border:1px solid #303640;border-radius:16px;padding:28px;margin-bottom:24px}.panel h2{padding-bottom:12px;border-bottom:1px solid #303640}.prose p{color:#D5D8DF}.page-grid{display:grid;grid-template-columns:minmax(0,1.2fr) minmax(0,.8fr);align-items:center;gap:28px}.page-grid>*{min-width:0}.feature-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px;margin:24px 0}.feature{padding:23px;border-radius:14px;background:#222833;border:1px solid #353B47;min-width:0}.feature p{font-size:15px}.related{display:flex;flex-wrap:wrap;gap:12px;margin:26px 0 10px}.related a{border:1px solid #424853;background:#222833;border-radius:999px;padding:8px 17px;min-height:42px;display:inline-flex;align-items:center;gap:8px}.channel{display:flex;flex-wrap:wrap;gap:10px;margin:24px 0}.channel a{padding:5px 13px;background:#222833;border-radius:999px;font-size:14px;color:#D5D8DF}.media{position:relative;width:100%;max-width:100%;overflow:hidden;border-radius:12px;background:#151A22}.media>img{position:absolute;inset:0;width:100%;height:100%;object-fit:contain;object-position:center center;display:block}.media-hero{aspect-ratio:16/7;max-height:300px}.media-card{aspect-ratio:3/4;max-height:220px}.media-wide{aspect-ratio:16/9}.media-empty:after{content:'';display:block;position:absolute;inset:18%;border:1px solid #303846;border-radius:8px;background:linear-gradient(135deg,#1E2630,#141820)}.slide[hidden]{display:none}.carousel-control{display:flex;justify-content:center;gap:12px;padding:14px}.slide-dot{width:42px;height:40px;border-radius:50px;background:#222833;border:1px solid #474F5B;color:#D5D8DF}.slide-dot[aria-pressed=true]{border-color:#FF8A00;color:#fff}.partner-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px}.partner-card{background:#222833;border:1px solid #353B47;border-radius:14px;padding:15px;min-width:0}.partner-card h3{margin:13px 0 8px}.partner-card p{font-size:14px;margin:0}.qa-list details{background:#222833;border:1px solid #393F4B;border-radius:10px;margin-bottom:12px;padding:13px 18px}.qa-list summary{color:#F7F8FA;font-weight:700;cursor:pointer}.qa-list details p{margin-top:14px;margin-bottom:2px}.site-footer{background:#080A0E;padding:45px 0 16px}.footer-grid{display:grid;grid-template-columns:1.5fr repeat(3,1fr);gap:28px}.footer-intro p{margin:16px 0 0;font-size:14px;color:#9AA3B2}.footer-grid h2{font-size:16px;margin-bottom:12px}.footer-grid a:not(.brand){display:block;color:#9AA3B2;font-size:14px;margin:7px 0}.footer-bottom{margin-top:35px;padding-top:18px;border-top:1px solid #262B34;color:#9AA3B2;font-size:13px;display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap}.mobile-bottom{display:none}.mobile-drawer,.drawer-mask{display:none}.action-top{margin:0 0 25px}.note{border-left:3px solid #FFC44D;padding-left:15px;color:#D5D8DF}.article-list article{padding:19px 0;border-bottom:1px solid #343A46}.article-list article:last-child{border-bottom:0}.article-list h3{margin:0 0 10px}
@media(max-width:980px){
.mobile-drawer{display:block;position:fixed;inset:0 auto 0 0;width:min(84vw,320px);background:#141820;color:#F7F8FA;z-index:12000;transform:translateX(-105%);transition:transform .2s ease;overflow-y:auto;max-height:100dvh}
.mobile-drawer.is-open{transform:translateX(0)}
.drawer-mask{display:none;position:fixed;inset:0;background:rgba(0,0,0,.45);z-index:11000;opacity:0;pointer-events:none}
.drawer-mask.is-visible{display:block;opacity:1;pointer-events:auto}
.header-inner{min-height:62px;display:grid;grid-template-columns:minmax(72px,1fr) auto minmax(72px,1fr);gap:10px;padding:0 14px}.menu-toggle{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:5px;width:44px;height:44px;background:none;border:0;color:#fff}.menu-toggle span{height:2px;width:22px;background:#fff}.header-inner>.brand{justify-self:center}.header-inner>.brand img{height:28px;max-width:142px}.header-inner>.brand strong{font-size:19px}.desktop-nav{display:none}.header-register{justify-self:end;min-height:36px;min-width:72px;padding:4px 14px;font-size:14px}.drawer-top{display:flex;align-items:center;justify-content:space-between;padding:18px;border-bottom:1px solid #353A44}.drawer-top .brand img{height:28px}.drawer-close{color:#fff;border:0;background:#222833;width:42px;height:42px;font-size:28px}.drawer-group{padding:13px 18px}.drawer-group h2{font-size:13px;color:#9AA3B2;margin:0 0 8px}.drawer-group a{display:block;color:#F7F8FA;padding:6px 10px;min-height:40px}.page-grid{grid-template-columns:1fr}.feature-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.partner-grid{grid-template-columns:repeat(3,minmax(0,1fr))}.footer-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.site-main{padding-bottom:88px}.mobile-bottom{display:grid;grid-template-columns:repeat(4,1fr);position:fixed;bottom:0;left:0;right:0;z-index:9500;background:#141820;border-top:1px solid #353B46;min-height:62px;padding-bottom:env(safe-area-inset-bottom)}.mobile-bottom a{display:flex;align-items:center;justify-content:center;min-height:56px;color:#D5D8DF;font-size:14px}.mobile-bottom .bottom-join{color:#FFC44D;font-weight:700}
}
@media(max-width:600px){.container{padding-left:16px;padding-right:16px}.hero{padding-top:30px}.hero p{font-size:16px}.panel{padding:19px}.panel h2{font-size:22px}.feature-grid{grid-template-columns:1fr}.partner-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}.partner-card{padding:10px}.partner-card p{font-size:13px}.media-hero{aspect-ratio:16/8;max-height:168px;min-height:140px}.footer-grid{gap:22px}.site-footer{padding-top:28px}.footer-bottom{margin-top:24px}.slide-dot{min-width:40px}}
@media(max-width:360px){.partner-grid{grid-template-columns:1fr}.header-inner>.brand strong{font-size:17px}}
@media(prefers-reduced-motion:reduce){*,*:before,*:after{scroll-behavior:auto!important;transition:none!important}}