*{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}a{color:#0877C9;text-decoration:none;touch-action:manipulation}a:hover{text-decoration:underline}img{max-width:100%}button{font:inherit;cursor:pointer;touch-action:manipulation}.wrap{width:min(1160px,calc(100% - 32px));margin:auto}.site-header{position:sticky;top:0;z-index:1000;background:#fff;border-bottom:1px solid #dcecf6;box-shadow:0 4px 20px rgba(9,68,105,.05)}.header-inner{height:76px;display:flex;align-items:center;justify-content:space-between;gap:22px;min-width:0}.brand-logo{display:flex;align-items:center;flex:0 0 190px;min-width:0;color:#0877C9;font-size:25px;white-space:nowrap}.brand-logo img{height:36px;width:auto;max-width:188px;object-fit:contain}.desktop-nav{display:flex;align-items:center;justify-content:center;gap:clamp(12px,2.4vw,32px);flex:1;white-space:nowrap;min-width:0}.desktop-nav a{height:76px;display:flex;align-items:center;position:relative;color:#223044;font-weight:600;font-size:15px}.desktop-nav a.active{color:#0877C9}.desktop-nav a.active:after{content:"";height:2px;position:absolute;bottom:0;left:0;right:0;background:#1CA8F6}.register-btn{display:inline-flex;align-items:center;justify-content:center;min-height:42px;min-width:88px;padding:7px 20px;background:linear-gradient(135deg,#38C7FF 0%,#1CA8F6 48%,#0877C9 100%);color:#FFFFFF;font-weight:700;border-radius:999px;white-space:nowrap;box-shadow:0 6px 16px rgba(28,168,246,.18)}.register-btn:hover{color:#fff;text-decoration:none}.menu-trigger{display:none}.main-content{padding:34px 0 70px}.page-intro{margin-bottom:24px}.eyebrow{color:#0877C9;font-size:14px;font-weight:700;letter-spacing:.08em}.page-intro h1{font-size:36px;line-height:1.28;margin:8px 0 14px;color:#0877C9;letter-spacing:-.035em}.page-intro p{max-width:900px;margin:0;color:#5F7082}.content-card,.brand-card,.poster-board{background:#fff;border:1px solid #e3f0f7;box-shadow:0 7px 25px rgba(26,107,154,.045);border-radius:18px;padding:24px;margin-bottom:22px;min-width:0}.content-card h2{font-size:24px;color:#0877C9;line-height:1.4;margin:0 0 14px}.content-card h3{font-size:19px;color:#0877C9;margin:18px 0 8px}.content-card p{margin:0 0 14px}.content-card 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-fallback{display:block;width:100%;height:100%;background:linear-gradient(145deg,#EAF7FF,#d9effe)}.hero-media{height:clamp(220px,24vw,290px);aspect-ratio:auto}.feature-media{height:230px;aspect-ratio:auto}.poster-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}.poster-grid .media{height:240px;aspect-ratio:auto}.three-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}.three-grid .content-card{margin:0}.section-title{color:#0877C9;font-size:24px;margin:30px 0 17px}.channel-strip{display:flex;flex-wrap:wrap;gap:10px;background:#EAF7FF;border-radius:14px;padding:13px;margin:0 0 22px}.channel-strip a{background:#fff;padding:8px 13px;border-radius:9px;font-size:14px;min-height:40px}.brand-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}.brand-card{margin:0}.brand-card h2{font-size:21px;color:#0877C9;margin:0 0 10px}.brand-card p{margin:12px 0 0}.brand-card .media{height:210px;aspect-ratio:auto}.faq-item{border-top:1px solid #dfeef7;padding:13px 0}.faq-item:first-of-type{border-top:0}.faq-item h3{font-size:17px;margin:0 0 7px}.faq-item p{margin:0}.site-footer{background:#082A46;color:#EAF8FF;padding:40px 0 24px}.site-footer a{color:#EAF8FF}.footer-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}.footer-grid div{display:flex;flex-direction:column;align-items:flex-start}.footer-grid h2{font-size:18px;margin:0 0 12px}.footer-grid a{min-height:38px}.footer-bottom{border-top:1px solid rgba(234,248,255,.2);padding-top:20px;margin-top:23px;font-size:14px}.footer-bottom p{margin:6px 0}.footer-brand{display:inline-block}.footer-brand img{height:36px;width:auto;max-width:160px;object-fit:contain}.mobile-drawer,.drawer-mask{display:none}.mobile-bottom{display:none}.to-top{display:none;position:fixed;right:22px;bottom:25px;z-index:900;border:0;border-radius:50%;width:42px;height:42px;background:#0877C9;color:white;box-shadow:0 5px 20px #abc}.to-top.visible{display:block}.drawer-close{border:0;background:#EAF7FF;border-radius:8px;font-size:26px;line-height:1;width:40px;height:40px}.mobile-drawer a{min-height:40px;display:flex;align-items:center}.mobile-drawer{overflow-y:auto}.drawer-top{display:flex;align-items:center;justify-content:space-between;padding:16px 18px;border-bottom:1px solid #dfeef7}.drawer-logo img{height:28px;width:auto;max-width:165px;object-fit:contain}.drawer-links{padding:10px 18px 35px}.drawer-links h2{font-size:14px;margin:18px 0 6px;color:#5F7082}.drawer-links a{color:#223044;border-bottom:1px solid #edf5f9;padding:7px 3px}
@media(max-width:980px){
.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}
.header-inner{height:62px;display:grid;grid-template-columns:76px minmax(0,1fr) 76px;gap:6px}.desktop-nav{display:none}.menu-trigger{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:5px;width:42px;height:42px;border:0;background:#EAF7FF;border-radius:10px}.menu-trigger span{height:2px;width:19px;background:#0877C9}.brand-logo{grid-column:2;grid-row:1;justify-content:center;flex:auto;font-size:20px}.brand-logo img{height:28px;max-width:150px}.header-register{grid-column:3;grid-row:1;min-width:72px;width:72px;min-height:36px;height:36px;padding:4px 9px;font-size:14px}.main-content{padding:24px 0 94px}.page-intro h1{font-size:30px}.three-grid{grid-template-columns:1fr}.mobile-bottom{display:grid;grid-template-columns:repeat(4,1fr);position:fixed;z-index:1050;bottom:0;left:0;right:0;background:#fff;border-top:1px solid #d7e9f5;box-shadow:0 -4px 16px rgba(8,42,70,.05);padding-bottom:env(safe-area-inset-bottom)}.mobile-bottom a{min-height:58px;display:flex;justify-content:center;align-items:center;font-size:14px;font-weight:600}.mobile-bottom a:last-child{color:#0877C9}.to-top{bottom:75px}.brand-grid{grid-template-columns:1fr}
}
@media(max-width:600px){.wrap{width:calc(100% - 28px)}.content-card,.brand-card,.poster-board{padding:18px;border-radius:15px}.page-intro h1{font-size:28px}.content-card h2,.section-title{font-size:21px}.poster-grid{grid-template-columns:1fr;gap:12px}.poster-grid .media{height:160px}.hero-media{height:170px}.feature-media,.brand-card .media{height:155px}.footer-grid{grid-template-columns:1fr 1fr;gap:20px}.footer-grid>div:last-child{grid-column:1/-1}.footer-grid h2{font-size:16px}.footer-grid a{font-size:14px}.site-footer{padding-bottom:95px}.brand-card p{margin-top:9px}}
@media(min-width:601px) and (max-width:980px){.poster-grid .media{height:170px}.feature-media,.brand-card .media{height:190px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}.mobile-drawer{transition:none}}