*{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{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}h1,h2,h3,p{margin-top:0}h1{font-size:clamp(28px,3.2vw,38px);line-height:1.28;color:#0877C9;letter-spacing:.015em}h2{font-size:25px;line-height:1.4;color:#0877C9}h3{font-size:18px;color:#0877C9}.container{width:min(1160px,calc(100% - 40px));max-width:1160px;margin-inline:auto}.site-header{background:#fff;box-shadow:0 2px 18px rgba(17,95,141,.06);position:relative;z-index:100}.topbar{height:76px;display:flex;align-items:center;gap:26px;justify-content:space-between;flex-wrap:nowrap}.brand{display:flex;align-items:center;min-width:142px;flex-shrink:0;white-space:nowrap;color:#0877C9;font-size:25px;line-height:1}.brand img{display:block;width:160px;height:36px;object-fit:contain}.desktop-nav{display:flex;align-items:stretch;justify-content:center;gap:clamp(12px,2vw,28px);white-space:nowrap;min-width:0}.desktop-nav a{display:flex;align-items:center;height:76px;color:#223044;border-bottom:2px solid transparent;min-height:40px;padding:2px 0 0}.desktop-nav a.active{color:#0877C9;border-bottom-color:#1CA8F6}.register-button{flex-shrink:0;min-width:90px;min-height:42px;display:inline-flex;align-items:center;justify-content:center;background:linear-gradient(135deg,#38C7FF 0%,#1CA8F6 48%,#0877C9 100%);border-radius:999px;color:#fff;font-weight:700;box-shadow:0 5px 14px rgba(28,168,246,.18)}.register-button:hover{color:#fff;text-decoration:none}.menu-toggle{display:none}.mobile-drawer,.drawer-mask{display:none}.mobile-bottom{display:none}main{padding:34px 0 68px}.page-intro{margin-bottom:24px}.lead{max-width:860px;font-size:17px;color:#5F7082}.kicker{font-size:13px;letter-spacing:.12em;font-weight:700;color:#0877C9;margin-bottom:9px}.surface{background:#fff;border:1px solid #dceef8;border-radius:18px;padding:26px;box-shadow:0 9px 28px rgba(8,119,201,.035)}.surface+ .surface{margin-top:22px}.content-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}.two-col{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:22px}.hero-grid{display:grid;grid-template-columns:minmax(0,1.06fr) minmax(0,.94fr);gap:30px;align-items:center}.hero-pictures{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}.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(135deg,#EAF7FF,#dcf1fc)}.media--hero{height:260px;aspect-ratio:auto}.media--standard{height:225px;aspect-ratio:auto}.media--thumb{height:125px;aspect-ratio:auto}.hero-pictures .media{height:225px;aspect-ratio:auto}.image-copy{display:grid;grid-template-columns:minmax(0,.8fr) minmax(0,1.2fr);gap:26px;align-items:start}.section{margin-top:26px}.section-heading{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:15px}.section-heading h2{margin-bottom:0}.text-link{font-weight:700;white-space:nowrap}.card-list{list-style:none;padding:0;margin:0}.card-list li{border-bottom:1px solid #e4f1f8;padding:12px 0}.card-list li:last-child{border-bottom:none}.channel-strip{background:#EAF7FF;padding:15px 18px;border-radius:14px;display:flex;flex-wrap:wrap;gap:10px 24px;margin-top:22px}.channel-strip a{font-size:14px}.brand-card{display:grid;grid-template-columns:190px minmax(0,1fr);align-items:center;gap:18px}.brand-card .media{height:115px;aspect-ratio:auto}.brand-card h3{margin-bottom:7px}.brand-card p{margin-bottom:0}.brand-card.no-photo{grid-template-columns:1fr}.qa dt{font-weight:700;color:#0877C9;margin:19px 0 7px}.qa dd{margin:0;color:#223044}.mini-index{display:flex;flex-wrap:wrap;gap:10px;margin:15px 0}.mini-index a{background:#EAF7FF;border-radius:100px;padding:7px 15px}.site-footer{background:#082A46;color:#EAF8FF;padding:44px 0 22px}.footer-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:35px}.site-footer h2{color:#EAF8FF;font-size:18px;margin-bottom:12px}.site-footer a{display:block;color:#EAF8FF;padding:4px 0;min-height:40px}.footer-bottom{display:flex;justify-content:space-between;gap:22px;border-top:1px solid rgba(234,248,255,.2);padding-top:20px;margin-top:25px;font-size:13px}.note{background:#EAF7FF;border-left:3px solid #1CA8F6;padding:15px 20px;border-radius:0 12px 12px 0}.article-list article{padding:18px 0;border-bottom:1px solid #e0edf5}.article-list article:last-child{border-bottom:none}.small{color:#5F7082;font-size:14px}.skip{position:absolute;left:-9999px}.skip:focus{left:8px;top:8px;background:#fff;z-index:13000}
@media(max-width:980px){
.desktop-nav{display:none}.topbar{height:64px;display:grid;grid-template-columns:minmax(72px,1fr) minmax(0,2fr) minmax(72px,1fr);gap:8px}.menu-toggle{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:5px;width:44px;height:44px;padding:9px;background:transparent;border:0}.menu-toggle span{display:block;width:21px;height:2px;background:#0877C9}.topbar .brand{justify-self:center;min-width:0;font-size:21px}.topbar .brand img{width:130px;height:28px}.register-button{justify-self:end;min-width:72px;min-height:36px;font-size:14px}.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:15px 18px;border-bottom:1px solid #e0edf5}.drawer-head .brand img{height:28px;width:130px}.drawer-head .brand{font-size:20px}.drawer-close{border:0;background:#EAF7FF;border-radius:9px;width:42px;height:42px;font-size:26px;color:#0877C9}.drawer-content{height:calc(100dvh - 72px);overflow-y:auto;overscroll-behavior:contain;padding:10px 20px 32px}.drawer-heading{color:#5F7082;font-weight:700;margin:20px 0 7px;font-size:13px}.drawer-content a{display:block;min-height:44px;padding:8px 5px;border-bottom:1px solid #f0f5fa}.mobile-bottom{display:grid;grid-template-columns:repeat(4,1fr);position:fixed;bottom:0;left:0;right:0;background:#fff;border-top:1px solid #dceef8;box-shadow:0 -4px 18px rgba(8,42,70,.06);z-index:100}.mobile-bottom a{display:flex;min-height:58px;align-items:center;justify-content:center;color:#0877C9;font-size:14px;font-weight:700}.mobile-bottom a:last-child{background:#EAF7FF}main{padding-bottom:98px}.footer-bottom{padding-bottom:58px}}
@media(max-width:700px){.container{width:calc(100% - 30px)}main{padding-top:24px}.surface{padding:20px}.hero-grid,.content-grid,.two-col,.image-copy{grid-template-columns:1fr}.hero-pictures{grid-template-columns:1fr}.hero-pictures .media{height:165px}.media--hero{height:170px}.media--standard{height:160px}.media--thumb{height:140px}h1{font-size:30px}h2{font-size:22px}.brand-card{grid-template-columns:1fr}.brand-card .media{height:155px}.footer-grid{grid-template-columns:1fr 1fr;gap:24px}.footer-bottom{display:block}.footer-bottom span{display:block;margin-bottom:6px}}
@media(max-width:390px){.topbar{gap:3px}.topbar .brand img{width:112px}.topbar .brand{font-size:19px}.register-button{min-width:72px}.container{width:calc(100% - 24px)}}