*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:#F4FBFF;color:#223044;font-family:Arial,"PingFang SC","Microsoft YaHei",sans-serif;font-size:16px;line-height:1.75;overflow-x:hidden}img,svg,button,a,*{max-width:100%}a{color:#0877C9;text-decoration:none;touch-action:manipulation}a:hover{text-decoration:underline}button{font:inherit;cursor:pointer}button:focus-visible,a:focus-visible{outline:3px solid #38C7FF;outline-offset:3px}.container{width:min(1160px,calc(100% - 40px));margin-inline:auto}.skip-link{position:absolute;left:-9999px;top:8px;padding:8px;background:white;z-index:13000}.skip-link:focus{left:8px}.site-header{height:78px;background:#fff;border-bottom:1px solid #dcecf5;position:relative;z-index:50}.header-inner{height:100%;display:flex;align-items:center;justify-content:space-between;gap:24px}.site-logo{display:flex;align-items:center;flex:0 0 182px;white-space:nowrap;font-size:26px;font-weight:800}.site-logo img{width:180px;height:36px;object-fit:contain}.desktop-nav{display:flex;align-items:center;justify-content:center;gap:clamp(12px,2vw,30px);white-space:nowrap;flex:1;min-width:0}.desktop-nav a{height:78px;display:inline-flex;align-items:center;position:relative;color:#223044;font-weight:700;padding:0 3px}.desktop-nav a.active{color:#0877C9}.desktop-nav a.active:after{content:"";position:absolute;bottom:0;left:0;right:0;height:2px;background:#1CA8F6}.register-button{background:linear-gradient(135deg,#38C7FF 0%,#1CA8F6 48%,#0877C9 100%);color:#FFFFFF!important;display:inline-flex;align-items:center;justify-content:center;min-height:42px;min-width:94px;border-radius:999px;font-weight:750;white-space:nowrap;flex-shrink:0;box-shadow:0 4px 13px rgba(8,119,201,.14)}.register-button:hover{text-decoration:none;filter:brightness(.97)}.menu-toggle{display:none}.mobile-drawer,.drawer-mask{display:none}.page-content{padding-block:38px 75px}.page-intro{padding:26px 0 28px}.eyebrow{display:block;color:#0877C9;font-weight:700;font-size:13px;letter-spacing:.12em;margin-bottom:10px}.page-intro h1,.hero h1{font-size:clamp(30px,3.15vw,39px);line-height:1.3;color:#0877C9;margin:0 0 18px;font-weight:800}.lead{font-size:17px;line-height:1.9;max-width:870px;color:#40556b;margin:0}.content-section{background:#fff;border:1px solid #e1eff7;border-radius:18px;padding:28px 32px;margin:22px 0;box-shadow:0 6px 26px rgba(27,100,145,.045)}.content-section h2,.section-heading{font-size:24px;line-height:1.4;color:#0877C9;margin:0 0 14px}.content-section h3{color:#0877C9;font-size:19px;margin:16px 0 6px}.content-section p{margin:0 0 14px}.content-section p:last-child{margin-bottom:0}.related{margin:20px 0 0;color:#5F7082}.related a{display:inline-block;margin:0 4px;min-height:40px;padding-top:4px;text-decoration:underline;text-underline-offset:3px}.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.landscape{height:clamp(200px,22vw,260px);aspect-ratio:auto}.media.poster{height:clamp(220px,25vw,300px);aspect-ratio:auto}.media-placeholder{display:flex;align-items:center;justify-content:center}.media-placeholder span{color:#aedff5;font-size:52px}.media-row{margin:18px 0 26px}.home-posters{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px;margin:24px 0}.home-posters .media{height:245px}.hero{text-align:center;padding:36px 0 8px}.hero .lead{margin:0 auto}.feature-grid,.triple-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px;margin:24px 0}.feature,.brand-card,.note-card{background:#fff;border:1px solid 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p{margin:0}.site-footer{background:#082A46;color:#EAF8FF;padding:44px 0 22px}.footer-grid{display:grid;grid-template-columns:1.45fr 1fr 1fr 1fr;gap:28px}.site-footer a{color:#EAF8FF}.footer-grid>div>a:not(.footer-brand){display:block;min-height:36px}.footer-grid h2{font-size:17px;margin:0 0 12px;color:#fff}.footer-grid p{color:#d4eaf6;margin:12px 0}.footer-brand{font-size:24px;font-weight:800}.footer-brand img{object-fit:contain;width:155px;height:36px}.footer-bottom{border-top:1px solid rgba(234,248,255,.2);display:flex;align-items:center;justify-content:space-between;gap:20px;margin-top:24px;padding-top:15px;font-size:14px}.footer-bottom p{margin:0}.mobile-bottom{display:none}.back-to-top{position:fixed;right:18px;bottom:22px;z-index:100;background:#0877C9;color:white;border:0;width:44px;height:44px;border-radius:50%;opacity:0;pointer-events:none;transition:opacity .15s}.back-to-top.show{opacity:1;pointer-events:auto}.drawer-open{overflow:hidden}
@media(max-width:980px){
.site-header{height:62px}.header-inner{display:grid;grid-template-columns:minmax(72px,1fr) minmax(0,1.6fr) minmax(72px,1fr);gap:7px;width:calc(100% - 24px)}.menu-toggle{display:flex;flex-direction:column;gap:5px;align-items:center;justify-content:center;width:42px;height:42px;border:0;background:transparent;padding:8px}.menu-toggle span{display:block;width:23px;height:2px;background:#0877C9;border-radius:3px}.site-logo{flex:initial;justify-content:center;min-width:0;font-size:21px;overflow:hidden}.site-logo img{width:100%;height:28px;object-fit:contain}.header-register{justify-self:end;min-width:72px;min-height:36px;font-size:14px}.desktop-nav{display:none}
.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;overflow-y:auto;overscroll-behavior:contain;padding-bottom:32px}
.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:15px 18px;border-bottom:1px solid #e1eff7}.drawer-logo img{width:144px;height:28px;object-fit:contain}.drawer-logo{font-weight:800;font-size:21px}.drawer-close{width:40px;height:40px;background:#EAF7FF;color:#0877C9;border:0;border-radius:10px;font-size:28px;line-height:1}.drawer-group{padding:8px 18px}.drawer-group h2{font-size:14px;color:#5F7082;margin:12px 0 7px}.drawer-group a{display:block;min-height:40px;padding:7px 8px;color:#223044;border-radius:8px}.drawer-group a:hover{background:#EAF7FF;text-decoration:none}.mobile-bottom{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));position:fixed;bottom:0;left:0;right:0;background:white;border-top:1px solid #dcecf5;z-index:1000;min-height:62px;padding-bottom:env(safe-area-inset-bottom,0px)}.mobile-bottom a{display:flex;align-items:center;justify-content:center;min-height:56px;font-weight:700;color:#40556b}.mobile-bottom a.active{color:#0877C9}.mobile-bottom a:last-child{color:#0877C9}.site-footer{padding-bottom:100px}.back-to-top{bottom:85px}.footer-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.home-posters .media{height:180px}
}
@media(max-width:640px){.container{width:calc(100% - 28px)}.page-content{padding-block:19px 48px}.page-intro{padding:20px 0 12px}.page-intro h1,.hero h1{font-size:29px}.lead{font-size:16px}.content-section{padding:21px 19px;margin:16px 0}.content-section h2,.section-heading{font-size:21px}.home-posters{grid-template-columns:1fr;gap:11px}.home-posters .media,.media.poster{height:165px}.media.landscape{height:155px}.feature-grid,.triple-grid,.brand-grid,.info-list{grid-template-columns:1fr}.brand-card .media{height:155px}.feature,.brand-card,.note-card{padding:19px}.footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:22px}.footer-grid>div:first-child{grid-column:1/-1}.footer-bottom{display:block}.footer-bottom p+ p{margin-top:6px}.channel-strip{padding:14px}.channel-strip a{margin-right:12px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}.mobile-drawer{transition:none}}