*{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}img,svg{max-width:100%}a{color:#FFC44D;text-decoration:none;touch-action:manipulation}a:hover{text-decoration:underline}button{font:inherit;cursor:pointer;touch-action:manipulation}a:focus-visible,button:focus-visible{outline:2px solid #FFC44D;outline-offset:3px}.shell{width:min(100% - 36px,1200px);margin-inline:auto}.skip-link{position:absolute;top:-120px;left:10px;z-index:20000;background:#fff;color:#111;padding:8px}.skip-link:focus{top:8px}.site-header{background:#141820;border-bottom:1px solid #28303b;position:relative;z-index:100}.header-inner{min-height:76px;display:flex;align-items:center;gap:22px;justify-content:space-between;flex-wrap:nowrap}.brand{display:flex;align-items:center;min-width:0;flex:0 0 auto;color:#F7F8FA}.brand-image{height:34px;max-width:170px;object-fit:contain;display:block}.brand-text{font-size:21px;font-weight:900;white-space:nowrap;color:#fff}.brand-text b{font-size:13px;letter-spacing:.12em}.desktop-nav{display:flex;align-items:stretch;gap:clamp(8px,1.4vw,24px);justify-content:center;min-width:0;white-space:nowrap;height:76px}.desktop-nav a{display:flex;align-items:center;justify-content:center;min-height:40px;color:#D5D8DF;border-bottom:2px solid transparent;padding:2px 3px;font-size:15px}.desktop-nav a.active{color:#fff;border-bottom-color:#FF8A00}.btn{display:inline-flex;justify-content:center;align-items:center;min-height:44px;padding:8px 23px;border:0;border-radius:999px;font-weight:700;white-space:nowrap}.btn-primary{background:linear-gradient(90deg,#FF8A00 0%,#FFC44D 100%);color:#FFFFFF;box-shadow:0 4px 18px #0005}.btn-primary:hover{color:#fff;text-decoration:none;filter:brightness(1.08)}.header-register{flex-shrink:0;min-width:88px}.menu-toggle{display:none}.channel-strip{background:#11151c;border-bottom:1px solid #232a35}.strip-inner{display:flex;align-items:center;gap:24px;overflow-x:auto;white-space:nowrap;min-height:44px;scrollbar-width:none}.strip-inner span{color:#9AA3B2;font-size:13px}.strip-inner a{color:#D5D8DF;font-size:14px}.site-main{padding-top:32px;padding-bottom:74px;min-height:55vh}h1,h2,h3{color:#F7F8FA;line-height:1.3}h1{font-size:clamp(28px,3.4vw,40px);margin:0 0 16px}h2{font-size:24px;margin:0 0 16px}h3{font-size:19px;margin:0 0 10px}p{margin:0 0 15px}.eyebrow{font-size:13px;letter-spacing:.12em;color:#FFC44D;margin-bottom:10px}.page-lead{max-width:850px;color:#D5D8DF;font-size:17px;margin-bottom:22px}.page-heading{padding:18px 0 20px}.reading-section,.panel,.feature-card,.qa-card,.partner-card{background:#1A1F28;border:1px solid #2C3541;border-radius:16px;padding:26px;margin-bottom:20px}.reading-section p:last-child,.qa-card p:last-child,.panel p:last-child{margin-bottom:0}.reading-section+.reading-section{margin-top:0}.reading-section p{max-width:990px}.two-col{display:grid;grid-template-columns:1.1fr .9fr;gap:22px;align-items:center}.feature-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}.feature-card{margin:0;display:flex;flex-direction:column}.feature-card a{margin-top:auto;align-self:flex-start;min-height:40px;display:flex;align-items:center}.partner-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px}.partner-card{padding:16px;margin:0}.partner-card h2{font-size:19px;margin:14px 0 8px}.partner-card p{font-size:14px;line-height:1.7}.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-article{aspect-ratio:16/10;max-height:330px}.media-placeholder{position:absolute;inset:0;background:linear-gradient(135deg,#141A22,#222833 55%,#151A22);display:block}.media-placeholder:after{content:"";position:absolute;inset:20%;border:1px solid #35404f;border-radius:12px}.hero-carousel{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px;margin-bottom:24px}.hero-carousel .media-hero{aspect-ratio:16/10;height:clamp(220px,23vw,275px)}.section-head{display:flex;align-items:center;justify-content:space-between;gap:12px;margin:30px 0 16px}.section-head h2{margin:0}.tag-row{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:22px}.tag{background:#222833;border:1px solid #394253;border-radius:999px;padding:6px 16px;color:#D5D8DF}.callout{border-left:3px solid #FF8A00;background:#222833;padding:20px 24px;border-radius:0 12px 12px 0;margin:22px 0}.actions{display:flex;align-items:center;gap:15px;flex-wrap:wrap;margin:22px 0}.text-link{display:inline-flex;align-items:center;min-height:40px}.qa-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}.qa-card{margin:0}.related{background:#141820;border:1px solid #303743;border-radius:14px;padding:22px;margin-top:26px}.related-links{display:flex;flex-wrap:wrap;gap:12px 26px}.related-links a{min-height:40px;display:inline-flex;align-items:center}.site-footer{background:#080A0E;border-top:1px solid #262b34;padding:52px 0 24px}.footer-grid{display:grid;grid-template-columns:1.5fr repeat(3,1fr);gap:34px}.footer-grid h2{font-size:16px;margin-bottom:12px}.footer-grid a:not(.footer-brand){display:block;color:#9AA3B2;min-height:34px}.footer-brand img{height:34px;max-width:160px;object-fit:contain}.footer-brand strong{color:#F7F8FA}.footer-intro p{font-size:14px;color:#9AA3B2;margin-top:16px}.footer-bottom{border-top:1px solid #252c35;margin-top:30px;padding-top:22px;color:#9AA3B2;font-size:13px;display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap}.mobile-bottom{display:none}.mobile-drawer,.drawer-mask{display:none}.drawer-open{overflow:hidden}.drawer-top{display:flex;align-items:center;justify-content:space-between;padding:18px;border-bottom:1px solid #323a47}.drawer-close{background:none;color:#fff;border:0;font-size:30px;width:44px;min-height:40px}.drawer-group{padding:14px 18px;border-bottom:1px solid #303743}.drawer-group strong{display:block;color:#FFC44D;font-size:13px;padding:6px 0}.drawer-group a{display:block;color:#D5D8DF;min-height:42px;padding:7px 8px}.mobile-drawer nav{overflow-y:auto;max-height:calc(100dvh - 84px)}
@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}
.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:72px minmax(0,1fr) 72px;gap:5px}.menu-toggle{display:flex;flex-direction:column;justify-content:center;align-items:center;gap:5px;width:44px;height:44px;border:0;background:transparent;padding:0}.menu-toggle span{display:block;width:23px;height:2px;border-radius:2px;background:#fff}.header-inner .brand{justify-self:center}.header-inner .brand-image{height:28px;max-width:min(36vw,145px)}.header-inner .brand-text{font-size:17px}.desktop-nav{display:none}.header-register{height:36px;min-height:36px;min-width:72px;padding:5px 13px;justify-self:end;font-size:14px}.site-main{padding-top:18px;padding-bottom:100px}.mobile-bottom{display:grid;grid-template-columns:repeat(4,1fr);position:fixed;inset:auto 0 0;background:#141820;z-index:1000;border-top:1px solid #313744;padding:7px max(8px,env(safe-area-inset-right)) calc(7px + env(safe-area-inset-bottom));box-shadow:0 -6px 25px #0005}.mobile-bottom a{color:#D5D8DF;min-height:45px;display:flex;align-items:center;justify-content:center;font-size:14px}.mobile-bottom a.active{color:#fff;border-top:2px solid #FF8A00}.mobile-bottom .mobile-register{border-radius:999px;color:#fff;background:linear-gradient(90deg,#FF8A00 0%,#FFC44D 100%);margin:2px 4px;min-height:40px;font-weight:bold}.partner-grid{grid-template-columns:repeat(3,minmax(0,1fr))}.footer-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.hero-carousel .media-hero{height:150px}.brand-text b{display:none}
}
@media(max-width:640px){.shell{width:min(100% - 28px,1200px)}.site-main{padding-bottom:112px}h1{font-size:30px}h2{font-size:21px}.page-lead{font-size:16px}.reading-section,.panel,.feature-card,.qa-card{padding:19px}.feature-grid,.qa-grid,.two-col{grid-template-columns:1fr}.partner-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:11px}.partner-card{padding:11px}.partner-card h2{font-size:16px}.partner-card p{font-size:13px}.media-card{max-height:200px}.hero-carousel{gap:6px}.hero-carousel .media-hero{height:clamp(140px,39vw,168px);aspect-ratio:4/5}.site-footer{padding:36px 0 22px}.footer-grid{gap:24px}.strip-inner{gap:15px}.footer-bottom{font-size:12px}}
@media(max-width:370px){.header-inner{grid-template-columns:60px minmax(0,1fr) 72px}.header-inner .brand-image{max-width:125px}.header-inner .brand-text{font-size:15px}.partner-grid{grid-template-columns:1fr 1fr}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}.mobile-drawer{transition:none}}