:root{--blue:#1CA8F6;--bright:#38C7FF;--deep:#0877C9;--ink:#223044;--muted:#5F7082;--pale:#EAF7FF;--page:#F4FBFF;--footer:#082A46}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;min-width:0;background:var(--page);color:var(--ink);font:16px/1.75 Arial,"PingFang SC","Microsoft YaHei",sans-serif;overflow-x:hidden}body.drawer-open{overflow:hidden}img{max-width:100%}a{color:var(--deep);text-decoration:none;touch-action:manipulation}a:hover{text-decoration:underline}button{font:inherit;cursor:pointer;touch-action:manipulation}button:focus-visible,a:focus-visible{outline:3px solid #38C7FF;outline-offset:3px}.wrap{width:min(1160px,calc(100% - 36px));margin-inline:auto}.site-header{background:#fff;position:relative;z-index:100;border-bottom:1px solid #dcecf5}.header-inner{height:76px;display:flex;align-items:center;justify-content:space-between;gap:24px;white-space:nowrap}.brand{display:flex;align-items:center;min-width:165px;color:var(--deep);font-size:24px;font-weight:800}.brand img{height:36px;width:auto;max-width:170px;object-fit:contain}.desktop-nav{display:flex;align-items:stretch;gap:26px;align-self:stretch;white-space:nowrap}.desktop-nav a{display:flex;align-items:center;border-bottom:2px solid transparent;min-height:40px;font-weight:700;color:#31495a}.desktop-nav a.active{color:#0877C9;border-bottom-color:#1CA8F6}.register-btn{display:inline-flex;align-items:center;justify-content:center;background:linear-gradient(135deg,#38C7FF 0%,#1CA8F6 48%,#0877C9 100%);color:#fff;border-radius:50px;height:42px;min-width:88px;font-weight:800;flex:none}.register-btn:hover{color:#fff;text-decoration:none;filter:brightness(1.04)}.menu-toggle{display:none}.main-content{padding-top:32px;padding-bottom:72px;min-height:60vh}.page-head{margin:0 0 24px}.eyebrow{display:inline-block;color:var(--deep);font-size:13px;font-weight:800;letter-spacing:.1em}.page-head h1,.hero h1{font-size:clamp(28px,3.4vw,38px);line-height:1.28;color:var(--deep);margin:7px 0 12px}.lead{color:#506778;max-width:800px;margin:0}.content-section{background:#fff;border:1px solid #e0eff8;border-radius:16px;padding:24px 28px;margin:18px 0;box-shadow:0 4px 20px #0877c908}.content-section h2{margin:0 0 11px;font-size:23px;line-height:1.4;color:var(--deep)}.content-section h3,.card h3{color:var(--deep);font-size:18px;margin:0 0 8px}.content-section p,.card p{margin:8px 0 13px}.cards{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px;margin:22px 0}.card{border:1px solid #dceef9;border-radius:16px;background:white;padding:23px;min-width:0}.card a{font-weight:bold}.chip-row{display:flex;flex-wrap:wrap;gap:10px;margin:17px 0 24px}.chip-row a{background:#eaf7ff;padding:7px 15px;border-radius:22px;font-weight:700;min-height:40px;display:inline-flex;align-items:center}.media{position:relative;width:100%;max-width:100%;overflow:hidden;border-radius:14px;background:#EAF7FF;aspect-ratio:16/9}.media > img{position:absolute;inset:0;width:100%;height:100%;object-fit:contain;object-position:center center;display:block}.media-placeholder{border:1px solid #d4eaf9;background:linear-gradient(140deg,#EAF7FF,#d9efff)}.feature-media{height:clamp(200px,22vw,260px);aspect-ratio:auto;margin:18px 0}.poster-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px;margin:20px 0}.poster{height:clamp(220px,23vw,280px);aspect-ratio:auto}.hero{background:white;border:1px solid #e0eff8;border-radius:20px;padding:30px;margin-bottom:20px}.hero p{max-width:890px}.info-line{font-size:14px;color:var(--muted)}.brand-list{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}.brand-entry{background:white;border:1px solid #dfedf7;border-radius:16px;padding:20px;min-width:0}.brand-entry .media{height:200px;aspect-ratio:auto;margin:12px 0}.brand-entry h2{color:var(--deep);font-size:21px;margin:0}.brand-entry p{margin:7px 0 12px}.question-list h3{font-size:17px;color:var(--deep);margin:14px 0 5px}.question-list p{margin:3px 0 15px}.site-footer{background:#082A46;color:#EAF8FF}.footer-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:40px;padding:40px 0 26px}.footer-grid h2{font-size:18px;margin:0 0 10px;color:#fff}.footer-grid a{display:block;color:#EAF8FF;min-height:40px;padding:4px 0}.footer-bottom{border-top:1px solid #42647b;padding:20px 0 28px;display:flex;align-items:center;gap:22px;font-size:14px}.footer-bottom p{margin:0}.footer-identity{flex:none}.footer-identity img{width:auto;height:36px;object-fit:contain}.mobile-drawer,.drawer-mask{display:none}.mobile-bottom{display:none}.back-top{position:fixed;right:20px;bottom:22px;background:var(--deep);color:white;border:0;border-radius:50%;height:44px;width:44px;opacity:0;pointer-events:none;z-index:400}.back-top.show{opacity:1;pointer-events:auto}
@media(max-width:980px){
.desktop-nav{display:none}.header-inner{height:62px;display:grid;grid-template-columns:72px minmax(0,1fr) 72px;align-items:center;gap:8px}.menu-toggle{display:flex;flex-direction:column;justify-content:center;gap:5px;width:44px;height:42px;background:transparent;border:0;padding:8px}.menu-toggle span{width:25px;height:2px;background:var(--deep)}.brand{min-width:0;justify-content:center;font-size:20px}.brand img{height:28px;max-width:160px}.register-btn{height:36px;min-width:72px;font-size:14px}.mobile-drawer{display:block;position:fixed;inset:0 auto 0 0;width:min(84vw,320px);background:#fff;color:#223044;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(8,42,70,.42);z-index:11000;opacity:0;pointer-events:none}.drawer-mask.is-visible{display:block;opacity:1;pointer-events:auto}
.drawer-head{display:flex;align-items:center;justify-content:space-between;padding:16px;border-bottom:1px solid #e0eef8;height:66px}.drawer-brand img{height:28px;width:auto;object-fit:contain}.drawer-head button{border:0;background:#eaf7ff;color:var(--deep);border-radius:8px;font-size:28px;width:40px;height:40px}.drawer-scroll{overflow-y:auto;height:calc(100% - 66px);padding:14px 18px 28px}.drawer-group{margin-bottom:16px}.drawer-group h2{font-size:14px;color:var(--muted);margin:6px 0}.drawer-group a{display:flex;align-items:center;min-height:42px;border-bottom:1px solid #edf3f7;color:var(--ink)}.mobile-bottom{display:grid;grid-template-columns:repeat(4,1fr);position:fixed;bottom:0;left:0;right:0;background:#fff;border-top:1px solid #dbeef8;z-index:800;min-height:62px;padding-bottom:env(safe-area-inset-bottom)}.mobile-bottom a{min-height:58px;display:flex;align-items:center;justify-content:center;color:var(--deep);font-weight:700}.mobile-bottom a:last-child{color:white;background:linear-gradient(135deg,#38C7FF 0%,#1CA8F6 48%,#0877C9 100%);margin:9px;border-radius:30px;min-height:40px}.main-content{padding-bottom:96px}.back-top{bottom:83px}.poster{height:170px}.feature-media{height:220px}}
@media(max-width:650px){.wrap{width:min(100% - 28px,1160px)}.main-content{padding-top:22px}.hero{padding:21px}.page-head h1,.hero h1{font-size:29px}.content-section{padding:20px 18px}.content-section h2{font-size:21px}.cards,.brand-list{grid-template-columns:1fr}.poster-grid{gap:8px}.poster{height:150px;border-radius:9px}.feature-media,.brand-entry .media{height:155px}.footer-grid{grid-template-columns:1fr;gap:12px;padding:30px 0 18px}.footer-bottom{align-items:flex-start;flex-direction:column;gap:8px;padding-bottom:94px}}
@media(max-width:374px){.brand{font-size:18px}.poster{height:145px}}