*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:#F4FBFF;color:#223044;font:16px/1.75 Arial,"PingFang SC","Microsoft YaHei",sans-serif;overflow-x:hidden}body.drawer-open{overflow:hidden}img,svg,video{max-width:100%}a,button{touch-action:manipulation}a{color:#0877C9;text-decoration:none}a:hover{text-decoration:underline}button{font:inherit;cursor:pointer}.container{width:min(1160px,calc(100% - 36px));margin:auto}.site-header{position:relative;z-index:100;background:#fff;border-bottom:1px solid #D8EBF6}.header-inner{display:flex;align-items:center;justify-content:space-between;gap:22px;min-height:76px}.site-logo{display:flex;align-items:center;justify-content:flex-start;min-width:155px;color:#0877C9;font-size:21px;white-space:nowrap}.site-logo img{width:auto;max-width:155px;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{display:inline-flex;align-items:center;min-height:46px;border-bottom:2px solid transparent;color:#223044;font-weight:600}.desktop-nav a.active{color:#0877C9;border-color:#1CA8F6}.register-button{display:inline-flex;align-items:center;justify-content:center;min-width:92px;min-height:42px;padding:6px 22px;border-radius:999px;color:white;background:linear-gradient(135deg,#38C7FF 0%,#1CA8F6 48%,#0877C9 100%);font-weight:700;white-space:nowrap}.register-button:hover{color:white;filter:brightness(.97);text-decoration:none}.menu-toggle{display:none}.channel-strip{display:flex;flex-wrap:wrap;gap:10px;margin:24px 0 10px}.channel-strip a{display:inline-flex;align-items:center;min-height:40px;padding:4px 16px;background:#EAF7FF;border:1px solid #D1EBF9;border-radius:999px;font-size:14px}.intro,.panel,.entry,.feature,.faq-item,.brand-card{background:#fff;border:1px solid #DCEEF8;border-radius:16px;box-shadow:0 8px 28px rgba(8,42,70,.035)}.intro{padding:30px;margin:22px 0}.intro p{max-width:90ch}h1{color:#0877C9;font-size:clamp(27px,3.4vw,39px);line-height:1.32;margin:0 0 18px}h2{color:#0877C9;font-size:23px;line-height:1.4;margin:0 0 12px}h3{color:#0877C9;font-size:19px;margin:0 0 8px}p{margin:0 0 14px}.lead{color:#5F7082;font-size:17px}.section{margin:28px 0 36px}.section-heading{margin-bottom:16px}.grid-3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}.grid-2{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}.entry,.feature,.brand-card,.faq-item{padding:22px}.entry p:last-child,.panel p:last-child{margin-bottom:0}.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{position:absolute;inset:0;background:linear-gradient(145deg,#EAF7FF,#DCEFFB);display:flex;align-items:center;justify-content:center;color:#5F7082;font-size:14px}.poster-grid .media{height:clamp(220px,22vw,280px)}.card-media{margin-bottom:14px}.card-media.media{max-height:260px}.media-small{max-height:200px}.brand-card .media{max-height:150px;margin-bottom:15px}.callout{background:#EAF7FF;border-left:4px solid #1CA8F6;border-radius:12px;padding:20px 24px;margin:24px 0}.links{display:flex;flex-wrap:wrap;gap:10px 24px;margin:20px 0}.links a{min-height:40px;display:inline-flex;align-items:center;font-weight:600}.site-footer{margin-top:60px;background:#082A46;color:#EAF8FF}.footer-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:40px;padding:45px 0}.footer-grid h2{color:#EAF8FF;font-size:18px}.footer-grid a{display:block;color:#EAF8FF;min-height:40px}.footer-bottom{display:flex;justify-content:space-between;gap:20px;align-items:center;border-top:1px solid rgba(255,255,255,.18);padding:18px 0 26px;font-size:14px}.mobile-bottom{display:none}.mobile-drawer,.drawer-mask{display:none}.drawer-close{background:transparent;border:0;font-size:32px;color:#223044}.drawer-top{display:flex;align-items:center;justify-content:space-between;padding:14px 20px;border-bottom:1px solid #D8EBF6}.drawer-scroll{overflow-y:auto;height:calc(100% - 70px);padding:12px 20px 30px}.drawer-scroll h2{font-size:14px;color:#5F7082;margin:18px 0 5px}.drawer-scroll a{display:block;min-height:44px;padding:6px 8px;color:#223044;border-bottom:1px solid #EAF7FF}.mobile-drawer{overflow:hidden}
@media(max-width:980px){.desktop-nav{display:none}.header-inner{display:grid;grid-template-columns:80px minmax(0,1fr) 80px;gap:4px;min-height:62px}.menu-toggle{display:flex;width:44px;height:42px;flex-direction:column;justify-content:center;gap:5px;padding:9px;background:transparent;border:0}.menu-toggle span{display:block;width:22px;height:2px;background:#0877C9;border-radius:4px}.site-logo{min-width:0;justify-content:center;text-align:center;font-size:18px}.site-logo img{height:28px;max-width:145px}.register-button{min-width:72px;min-height:36px;padding:4px 10px}.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}.mobile-bottom{display:grid;grid-template-columns:repeat(4,1fr);position:fixed;bottom:0;left:0;right:0;z-index:900;background:#fff;border-top:1px solid #D8EBF6}.mobile-bottom a{min-height:62px;display:flex;justify-content:center;align-items:center;font-weight:700}body{padding-bottom:62px}.site-footer{margin-top:32px}.footer-grid{gap:20px}}
@media(max-width:640px){.container{width:min(100% - 28px,1160px)}.intro{padding:22px 18px}.grid-3,.grid-2{grid-template-columns:1fr}.poster-grid{grid-template-columns:1fr}.poster-grid .media{height:clamp(150px,45vw,180px)}.media{height:auto;max-height:170px}.brand-card .media{max-height:165px}.entry,.feature,.brand-card,.faq-item{padding:19px}h1{font-size:30px}h2{font-size:21px}.footer-grid{grid-template-columns:1fr;gap:12px}.footer-bottom{display:block}.footer-bottom span{display:block;margin-top:10px}.channel-strip{gap:6px}.channel-strip a{padding:3px 11px;font-size:13px}}