*{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,video,svg{max-width:100%}a{color:#0877C9;text-decoration:none;touch-action:manipulation}a:hover{text-decoration:underline}button{font:inherit;cursor:pointer;touch-action:manipulation}a,button{min-height:40px}.container{width:min(1160px,calc(100% - 36px));margin-inline:auto}.site-header{background:#fff;box-shadow:0 1px 14px rgba(8,42,70,.06);position:relative;z-index:100}.header-inner{width:min(1160px,calc(100% - 36px));margin:auto;min-height:74px;display:flex;align-items:center;justify-content:space-between;gap:18px}.brandmark{display:inline-flex;align-items:center;justify-content:flex-start;flex:0 0 180px;min-width:0;color:#0877C9;font-size:22px;white-space:nowrap}.brandmark img{height:36px;width:auto;object-fit:contain}.desktop-nav{display:flex;gap:clamp(7px,1.5vw,24px);flex-wrap:nowrap;white-space:nowrap;justify-content:center}.desktop-nav a{display:inline-flex;align-items:center;padding:10px 3px;color:#223044;border-bottom:2px solid transparent;font-size:15px}.desktop-nav a.current{color:#0877C9;border-bottom-color:#1CA8F6}.register-button{background:linear-gradient(135deg,#38C7FF 0%,#1CA8F6 48%,#0877C9 100%);color:#fff;display:inline-flex;align-items:center;justify-content:center;min-width:88px;min-height:42px;border-radius:999px;font-weight:700;white-space:nowrap;padding:0 20px}.register-button:hover{color:#fff;filter:brightness(.97);text-decoration:none}.menu-toggle{display:none}.mobile-drawer,.drawer-mask{display:none}.channel-strip{background:#EAF7FF;border-bottom:1px solid #d7ebf6}.channel-strip .container{display:flex;align-items:center;gap:22px;flex-wrap:wrap;padding:8px 0;font-size:14px}.channel-strip span{color:#5F7082}.page{padding:34px 0 58px}.page h1{font-size:clamp(30px,3.2vw,40px);line-height:1.3;color:#0877C9;margin:0 0 18px}.page h2{font-size:23px;line-height:1.45;color:#0877C9;margin:0 0 12px}.page h3{font-size:19px;color:#0877C9;margin:0 0 8px}.page p{margin:0 0 15px}.lead{font-size:17px;color:#5F7082;max-width:850px}.panel{background:#fff;border:1px solid #dcebf4;border-radius:18px;padding:clamp(18px,2.5vw,30px);margin:22px 0;box-shadow:0 8px 30px rgba(8,42,70,.035)}.panel:last-child{margin-bottom:0}.grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}.grid.two{grid-template-columns:repeat(2,minmax(0,1fr))}.grid.four{grid-template-columns:repeat(4,minmax(0,1fr))}.item{border:1px solid #dcebf4;background:#fff;border-radius:14px;padding:18px;min-width:0}.item p{color:#5F7082}.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,#dceffb)}.media-wide{height:clamp(200px,22vw,260px)}.media-portrait{aspect-ratio:3/4;height:clamp(220px,25vw,300px);max-width:235px}.hero-media{height:clamp(220px,26vw,300px)}.hero-grid{display:grid;grid-template-columns:1.1fr 1fr;gap:30px;align-items:center}.poster-row{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}.poster-row .media{height:clamp(160px,18vw,245px)}.text-links{display:flex;gap:12px 24px;flex-wrap:wrap;margin-top:12px}.text-links a{display:inline-flex;align-items:center}.brand-entry .media{margin-bottom:15px}.brand-entry p{font-size:15px}.qa h3{margin-top:20px}.site-footer{background:#082A46;color:#EAF8FF;padding:40px 0 110px}.footer-columns{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:28px}.footer-columns div{display:flex;flex-direction:column;align-items:start}.footer-columns h2{font-size:18px;margin:0 0 10px;color:#fff}.site-footer a{color:#EAF8FF;padding:5px 0;display:block}.footer-base{border-top:1px solid rgba(255,255,255,.2);margin-top:26px;padding-top:18px;color:#EAF8FF;font-size:14px}.footer-base p{margin:6px 0}.mobile-bottom{display:none}.drawer-links h2{font-size:14px;color:#5F7082;margin:17px 0 6px}.drawer-links a{display:block;min-height:43px;color:#223044;padding:7px 0;border-bottom:1px solid #edf5fa}.drawer-top{display:flex;justify-content:space-between;align-items:center}.drawer-close{border:0;background:#EAF7FF;border-radius:9px;font-size:28px;width:42px;height:42px;color:#0877C9}.media-caption{font-size:14px;color:#5F7082;margin:10px 0 0}.list-note{border-left:3px solid #1CA8F6;padding-left:16px;margin:16px 0}.section-kicker{color:#1CA8F6;font-weight:700;letter-spacing:.06em}
@media(max-width:980px){.desktop-nav{display:none}.header-inner{display:grid;grid-template-columns:48px minmax(0,1fr) 76px;gap:8px;min-height:62px;width:calc(100% - 24px)}.menu-toggle{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:4px;border:0;background:#EAF7FF;border-radius:9px;width:42px;height:42px;padding:10px}.menu-toggle span{width:19px;height:2px;background:#0877C9}.brandmark{flex:auto;justify-self:center;justify-content:center;font-size:18px}.brandmark img{height:28px;width:auto;max-width:100%}.register-button{min-width:72px;min-height:36px;padding:0 12px;font-size:14px;justify-self:end}.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-drawer{padding:20px;overflow-y:auto}.mobile-bottom{display:grid;position:fixed;bottom:0;left:0;right:0;z-index:9000;grid-template-columns:repeat(4,1fr);padding:5px 0 max(5px,env(safe-area-inset-bottom));background:#fff;border-top:1px solid #dcebf4;box-shadow:0 -4px 20px rgba(8,42,70,.06)}.mobile-bottom a{display:flex;align-items:center;justify-content:center;color:#223044;min-height:48px;font-size:14px}.mobile-bottom a:last-child{color:#0877C9;font-weight:700}.site-footer{padding-bottom:105px}.page{padding:24px 0 65px}.grid.four{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:680px){.container{width:calc(100% - 28px)}.hero-grid,.grid,.grid.two,.footer-columns{grid-template-columns:1fr}.poster-row{grid-template-columns:repeat(3,minmax(0,1fr));gap:7px}.poster-row .media{height:clamp(100px,32vw,180px)}.page h1{font-size:30px}.page h2{font-size:21px}.panel{padding:18px}.media-wide{height:clamp(140px,40vw,170px)}.media-portrait{height:240px}.hero-media{height:clamp(150px,45vw,180px)}.grid.four{grid-template-columns:1fr 1fr;gap:10px}.channel-strip .container{gap:8px 16px}.footer-columns{gap:20px}.brandmark strong{white-space:nowrap;font-size:18px}}
@media(max-width:380px){.header-inner{grid-template-columns:43px minmax(0,1fr) 72px;gap:4px}.brandmark strong{font-size:16px}.poster-row .media{height:150px}}