*{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{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% - 36px));margin:0 auto}.site-header{background:#FFFFFF;position:sticky;top:0;z-index:1000;box-shadow:0 2px 16px rgba(8,42,70,.07)}.header-inner{height:74px;display:flex;align-items:center;gap:24px;justify-content:space-between;min-width:0}.site-logo{display:inline-flex;align-items:center;flex-shrink:0;color:#0877C9;text-decoration:none;white-space:nowrap}.logo-img{width:auto;max-width:170px;height:36px;object-fit:contain}.logo-word{font-size:23px;font-weight:800;letter-spacing:.04em}.main-nav{display:flex;align-items:center;gap:clamp(12px,2.1vw,27px);white-space:nowrap;min-width:0}.main-nav a{display:inline-flex;align-items:center;min-height:44px;color:#223044;border-bottom:2px solid transparent;font-size:15px}.main-nav a.active{color:#0877C9;border-bottom-color:#1CA8F6;font-weight:700}.register-btn{display:inline-flex;align-items:center;justify-content:center;flex:none;min-width:94px;min-height:42px;padding:5px 22px;border-radius:99px;color:#FFFFFF!important;font-weight:700;background:linear-gradient(135deg,#38C7FF 0%,#1CA8F6 48%,#0877C9 100%);box-shadow:0 6px 14px rgba(28,168,246,.18)}.register-btn:hover{text-decoration:none;filter:brightness(.98)}.menu-toggle{display:none}.mobile-drawer,.drawer-mask{display:none}.main-content{padding:32px 0 56px;min-height:65vh}.page-head{margin-bottom:25px}.eyebrow{color:#0877C9;font-size:13px;letter-spacing:.12em;font-weight:700}.page-head h1,.hero h1{font-size:clamp(28px,3.1vw,38px);line-height:1.25;color:#0877C9;margin:7px 0 14px}.page-head p,.hero p{color:#5F7082;max-width:850px;margin:0}.hero{background:#FFFFFF;border-radius:20px;padding:34px;box-shadow:0 9px 26px rgba(8,42,70,.05);margin-bottom:22px}.hero-centered{text-align:center}.hero-centered p{margin-left:auto;margin-right:auto}.poster-row,.three-cols,.brand-preview,.brand-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:17px}.poster-row{margin:18px 0 30px}.poster-row .media{height:240px;aspect-ratio:auto}.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{position:absolute;inset:0;display:block;background:linear-gradient(135deg,#EAF7FF 5%,#d9f1ff 53%,#EAF7FF 100%)}.media-fallback:before{content:"";display:block;position:absolute;width:25%;height:46%;left:37.5%;top:27%;border-radius:18px;background:rgba(255,255,255,.4)}.wide-media{height:235px;aspect-ratio:auto}.card{background:#FFFFFF;border:1px solid #e0f1fb;border-radius:17px;padding:24px;box-shadow:0 5px 18px rgba(8,42,70,.04);min-width:0}.card h2,.card h3,.section h2{color:#0877C9;line-height:1.35}.card h2{font-size:22px;margin:0 0 11px}.card h3{font-size:19px;margin:0 0 9px}.card p,.section p{margin:0 0 15px}.card p:last-child,.section p:last-child{margin-bottom:0}.section{margin:23px 0}.section-title{color:#0877C9;font-size:25px;margin:0 0 15px}.section-intro{color:#5F7082;margin:0 0 16px}.rich{background:#FFFFFF;border:1px solid #e0f1fb;border-radius:18px;padding:29px;margin-bottom:22px}.rich h2{font-size:24px;color:#0877C9;margin:24px 0 10px}.rich h2:first-child{margin-top:0}.rich h3{color:#0877C9;margin:20px 0 6px;font-size:19px}.rich p{margin:0 0 14px}.rich ul,.rich ol{padding-left:24px;margin:0 0 18px}.rich li{margin:6px 0}.channel-strip{background:#EAF7FF;padding:12px 16px;border-radius:12px;display:flex;flex-wrap:wrap;gap:8px 19px;margin:22px 0}.channel-strip a{font-weight:600}.brand-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.brand-card .media{height:205px;aspect-ratio:auto;margin-bottom:13px}.brand-card h2{font-size:21px}.brand-card p{margin:0}.number-list{counter-reset:item;display:grid;gap:13px}.number-line{background:#fff;padding:17px 20px;border-radius:13px;border:1px solid #e0f1fb}.number-line:before{counter-increment:item;content:counter(item,decimal-leading-zero);font-weight:800;color:#1CA8F6;margin-right:14px}.faq-list details{padding:17px 20px;border-bottom:1px solid #dceff9}.faq-list details:last-child{border-bottom:0}.faq-list summary{color:#0877C9;font-weight:700;cursor:pointer}.faq-list p{margin:9px 0 0}.site-footer{background:#082A46;color:#EAF8FF;padding-top:43px}.footer-grid{display:grid;grid-template-columns:2fr repeat(3,1fr);gap:32px}.site-footer a{color:#EAF8FF;display:block;min-height:35px}.site-footer h2{font-size:17px;color:#fff;margin:0 0 13px}.footer-logo{display:inline-flex!important;min-height:40px!important;margin-bottom:12px}.site-footer .logo-word{color:#EAF8FF}.site-footer p{max-width:350px;margin:0;color:#d0e7f5;font-size:14px}.footer-bottom{border-top:1px solid rgba(255,255,255,.16);margin-top:30px;padding:18px 0 23px;font-size:13px;display:flex;justify-content:space-between;gap:15px}.mobile-bottom{display:none}.back-top{position:fixed;right:20px;bottom:22px;z-index:80;width:42px;height:42px;border-radius:50%;background:#0877C9;color:white;border:0;box-shadow:0 6px 14px rgba(8,42,70,.12)}.drawer-head,.drawer-nav{display:none}.text-links{display:flex;flex-wrap:wrap;gap:12px 24px;margin-top:15px}.text-links a{font-weight:700;min-height:40px;display:inline-flex;align-items:center}
@media(max-width:980px){
.main-nav{display:none}.header-inner{height:60px;display:grid;grid-template-columns:minmax(72px,1fr) auto minmax(72px,1fr);gap:8px}.menu-toggle{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:5px;width:43px;height:43px;border:0;background:transparent;padding:9px}.menu-toggle span{height:2px;width:23px;background:#0877C9;border-radius:2px}.site-logo{justify-self:center}.header-register{justify-self:end;min-width:72px;height:36px;min-height:36px;padding:3px 14px}.logo-img{height:28px;max-width:130px}.logo-word{font-size:20px}
.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:13px 17px;border-bottom:1px solid #e0f1fb}.drawer-head .site-logo{justify-self:start}.drawer-close{font-size:29px;line-height:1;background:transparent;border:0;color:#0877C9;min-width:40px;min-height:40px}.drawer-nav{display:block;overflow-y:auto;height:calc(100vh - 68px);padding:10px 17px 35px}.drawer-nav a{display:flex;align-items:center;min-height:43px;padding:5px 10px;border-radius:8px;color:#223044}.drawer-nav a:hover{background:#EAF7FF;text-decoration:none}.drawer-group{font-size:13px;letter-spacing:.1em;color:#0877C9;font-weight:800;margin:13px 0 3px;padding-left:9px}
.footer-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.mobile-bottom{position:fixed;bottom:0;left:0;right:0;z-index:900;display:grid;grid-template-columns:repeat(4,1fr);background:#fff;border-top:1px solid #d9edf9;padding-bottom:env(safe-area-inset-bottom)}.mobile-bottom a{min-height:57px;display:flex;align-items:center;justify-content:center;color:#223044;font-weight:700}.mobile-bottom a.selected{color:#0877C9}.mobile-bottom .bottom-register{color:#0877C9}.main-content{padding-bottom:95px}.site-footer{padding-bottom:73px}.back-top{bottom:83px}.poster-row .media{height:180px}
}
@media(max-width:650px){.container{width:min(100% - 28px,1160px)}.main-content{padding-top:21px}.page-head h1,.hero h1{font-size:30px}.hero{padding:22px}.rich{padding:21px}.card{padding:20px}.poster-row{gap:12px;grid-template-columns:1fr}.poster-row .media{height:165px}.three-cols,.brand-preview,.brand-grid{grid-template-columns:1fr}.wide-media,.brand-card .media{height:165px}.footer-grid{gap:24px}.footer-bottom{display:block}.footer-bottom span{display:block;margin-top:7px}.section-title{font-size:22px}.logo-word{font-size:19px}}
@media(min-width:651px) and (max-width:980px){.poster-row{grid-template-columns:repeat(3,minmax(0,1fr))}.poster-row .media{height:160px}.three-cols{grid-template-columns:repeat(3,minmax(0,1fr))}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}.mobile-drawer{transition:none}}