*{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%}.wrap{width:min(1160px,calc(100% - 36px));margin-inline:auto}.site-header{position:sticky;top:0;z-index:1000;background:#fff;border-bottom:1px solid #dceefa;box-shadow:0 5px 24px rgba(18,94,145,.06)}.header-inner{min-height:76px;display:flex;align-items:center;gap:22px;justify-content:space-between;white-space:nowrap}.brand-logo{display:flex;flex:0 0 185px;align-items:center;min-width:0}.brand-logo img{height:36px;width:auto;max-width:180px;object-fit:contain}.brand-logo strong,.drawer-logo strong{color:#0877C9;font-size:23px}.main-nav{display:flex;gap:clamp(12px,2vw,29px);align-items:center;justify-content:center;flex:1;min-width:0;white-space:nowrap}.main-nav a{display:inline-flex;align-items:center;justify-content:center;height:76px;padding:0 3px;border-bottom:2px solid transparent;font-weight:700;color:#223044;white-space:nowrap}.main-nav a.active{color:#0877C9;border-color:#1CA8F6}.register-btn{display:inline-flex;align-items:center;justify-content:center;border-radius:999px;min-width:88px;min-height:42px;padding:0 19px;background:linear-gradient(135deg,#38C7FF 0%,#1CA8F6 48%,#0877C9 100%);color:#fff;font-weight:700;white-space:nowrap}.register-btn:hover{color:#fff;text-decoration:none;filter:brightness(.97)}.menu-toggle{display:none}.site-main{padding:28px 0 60px}.page-lead{background:#fff;border:1px solid #e4f0fa;border-radius:20px;padding:30px 34px;margin-bottom:20px}.page-lead h1{font-size:clamp(27px,3.3vw,38px);line-height:1.25;color:#0877C9;margin:0 0 14px}.page-lead p{margin:0;color:#5F7082}.content-card{background:#fff;border:1px solid #e1eef7;border-radius:18px;padding:24px 30px;margin:18px 0;box-shadow:0 8px 24px rgba(11,86,133,.035)}.content-card h2{color:#0877C9;font-size:24px;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 13px}.content-card p:last-child{margin-bottom:0}.channel-strip{background:#EAF7FF;border-radius:14px;padding:13px 20px;display:flex;gap:22px;flex-wrap:wrap;margin-bottom:20px}.channel-strip a{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-fallback{position:absolute;inset:0;background:linear-gradient(125deg,#EAF7FF,#d8f1ff)}.poster-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px;margin:18px 0}.poster-grid .media{height:240px;aspect-ratio:auto}.feature-grid,.brand-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}.feature-grid>.content-card,.brand-grid>.content-card{margin:0}.brand-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.brand-grid .media{height:215px;aspect-ratio:auto;margin-bottom:16px}.feature-grid h2{font-size:21px}.related-links{margin:26px 0;display:flex;gap:12px;flex-wrap:wrap}.related-links a{display:inline-flex;align-items:center;padding:8px 17px;border-radius:30px;background:#EAF7FF;min-height:40px;font-weight:700}.list-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}.list-grid article{border-left:3px solid #1CA8F6;padding-left:17px}.list-grid h3{margin:0 0 6px}.compact-points{margin:8px 0 0;padding-left:24px}.compact-points li{margin:8px 0}.single-image{max-width:750px;margin:18px auto}.single-image .media{height:250px;aspect-ratio:auto}.site-footer{background:#082A46;color:#EAF8FF;padding:38px 0 28px}.footer-columns{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:35px}.footer-columns h2{color:#fff;font-size:19px;margin:0 0 12px}.footer-columns a{display:block;color:#EAF8FF;min-height:40px;padding:5px 0}.footer-bottom{border-top:1px solid rgba(234,248,255,.23);margin-top:24px;padding-top:13px;font-size:14px}.footer-bottom p{margin:5px 0}.footer-logo{margin-top:12px}.footer-logo img{height:28px;width:auto;object-fit:contain}.mobile-bottom{display:none}.mobile-drawer,.drawer-mask{display:none}.back-top{position:fixed;right:20px;bottom:24px;z-index:90;width:42px;height:42px;border:0;border-radius:50%;background:#0877C9;color:#fff;cursor:pointer;font-size:24px}button{font:inherit;cursor:pointer}a:focus-visible,button:focus-visible{outline:3px solid #38C7FF;outline-offset:2px}
@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{min-height:62px;display:grid;grid-template-columns:76px minmax(0,1fr) 76px;gap:8px}.main-nav{display:none}.brand-logo{flex:auto;justify-self:center;justify-content:center;width:100%;max-width:170px}.brand-logo img{height:28px;max-width:155px}.brand-logo strong{font-size:20px}.menu-toggle{display:flex;flex-direction:column;justify-content:center;gap:5px;align-items:center;width:44px;height:44px;border:0;background:transparent;padding:8px}.menu-toggle span{width:23px;height:2px;background:#0877C9;border-radius:2px}.top-register{min-height:36px;min-width:72px;padding:0 8px;font-size:14px}.drawer-head{height:65px;padding:10px 16px;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid #e4eff7}.drawer-logo img{height:28px;width:auto;max-width:140px;object-fit:contain}.drawer-head button{border:0;background:#EAF7FF;color:#0877C9;border-radius:8px;min-width:40px;min-height:40px;font-size:27px}.mobile-drawer nav{height:calc(100dvh - 65px);overflow-y:auto;padding:10px 20px 35px}.mobile-drawer h2{font-size:14px;color:#5F7082;margin:15px 0 5px}.mobile-drawer nav a{display:flex;align-items:center;min-height:42px;color:#223044;border-bottom:1px solid #edf5fb}.mobile-bottom{display:grid;grid-template-columns:repeat(4,1fr);position:fixed;bottom:0;left:0;right:0;z-index:1000;background:#fff;border-top:1px solid #d4eaf6;box-shadow:0 -3px 20px rgba(0,65,111,.08);padding-bottom:env(safe-area-inset-bottom)}.mobile-bottom a{min-height:56px;display:flex;align-items:center;justify-content:center;font-size:14px;font-weight:700}.mobile-bottom a:last-child{color:#0877C9}.site-main{padding-bottom:96px}.back-top{bottom:78px}.poster-grid .media{height:165px}.brand-grid .media{height:160px}.single-image .media{height:190px}
}
@media(max-width:640px){.wrap{width:min(100% - 24px,1160px)}.site-main{padding-top:17px}.page-lead{padding:22px 19px}.page-lead h1{font-size:29px}.content-card{padding:21px 19px;margin:13px 0}.content-card h2{font-size:22px}.poster-grid{gap:9px}.poster-grid .media{height:155px}.feature-grid,.brand-grid,.list-grid{grid-template-columns:1fr;gap:12px}.feature-grid>.content-card{margin:0}.brand-grid .media{height:160px}.footer-columns{grid-template-columns:1fr 1fr;gap:15px}.footer-columns h2{font-size:17px}.channel-strip{gap:9px 18px}.single-image .media{height:165px}}
@media(max-width:375px){.poster-grid .media{height:150px}.header-inner{gap:2px}.brand-logo img{max-width:138px}.brand-logo strong{font-size:18px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}.mobile-drawer{transition:none}}