*{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}button{font:inherit;cursor:pointer;touch-action:manipulation}img{max-width:100%}.wrap{width:min(1160px,calc(100% - 36px));margin-inline:auto}.site-header{background:#fff;position:relative;z-index:100;box-shadow:0 2px 13px #1c739012}.header-inner{display:flex;align-items:center;justify-content:space-between;gap:20px;min-height:80px;white-space:nowrap}.brand{display:inline-flex;align-items:center;justify-content:center;flex:0 0 auto;color:#0877C9;min-width:146px}.brand img{height:36px;width:auto;object-fit:contain;max-width:170px}.brand strong{font-size:25px;letter-spacing:1px}.main-nav{display:flex;align-items:center;gap:clamp(14px,2.2vw,33px);white-space:nowrap}.main-nav a{display:flex;align-items:center;height:78px;border-bottom:2px solid transparent;color:#223044;font-weight:600;min-width:40px;justify-content:center}.main-nav a.active{border-bottom-color:#1CA8F6;color:#0877C9}.register-btn{display:inline-flex;align-items:center;justify-content:center;min-width:100px;min-height:42px;border-radius:100px;background:linear-gradient(135deg,#38C7FF 0%,#1CA8F6 48%,#0877C9 100%);color:#fff;font-weight:700;flex:0 0 auto}.register-btn:hover{color:#fff;text-decoration:none;filter:brightness(.97)}.menu-toggle{display:none;background:none;border:0;width:44px;height:44px;padding:10px}.menu-toggle span{display:block;height:2px;background:#0877C9;margin:5px 0}.main-content{padding-top:32px;padding-bottom:65px;min-height:60vh}h1,h2,h3{color:#0877C9;line-height:1.35}h1{font-size:38px;margin:0 0 18px}h2{font-size:25px;margin:0 0 14px}h3{font-size:19px;margin:0 0 10px}p{margin:0 0 16px}.lead{font-size:18px;color:#42596e}.eyebrow{font-weight:700;letter-spacing:.08em;color:#0877C9;font-size:13px;margin-bottom:9px}.panel,.feature,.brand-card,.note{background:#fff;border:1px solid #daedf9;border-radius:18px;padding:25px;box-shadow:0 8px 28px #1d7eb00c}.panel{margin-bottom:26px}.panel h2:not(:first-child){margin-top:24px}.hero{display:grid;grid-template-columns:1.05fr .95fr;align-items:center;gap:26px;margin-bottom:27px}.hero-copy{padding:14px 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{position:absolute;inset:0;background:linear-gradient(130deg,#eaf7ff,#dbf2ff);border:1px solid #cce9fa;border-radius:14px}.poster{height:clamp(220px,23vw,280px);aspect-ratio:auto}.poster-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px;margin:22px 0 32px}.poster-grid .media{height:240px;aspect-ratio:auto}.card-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px;margin:18px 0 28px}.feature h2{margin-top:0}.feature p{color:#42596e}.text-link{font-weight:700;display:inline-flex;min-height:40px;align-items:center}.channel-strip{background:#EAF7FF;border-radius:14px;padding:18px 22px;display:flex;flex-wrap:wrap;gap:12px 23px;margin:22px 0}.channel-strip a{min-height:40px;display:inline-flex;align-items:center;font-weight:600}.brand-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}.brand-card .media{margin-bottom:15px;height:210px;aspect-ratio:auto}.brand-card p{margin:0}.article-sections{display:grid;gap:20px}.article-sections section{background:#fff;border:1px solid #e0eef7;border-radius:16px;padding:25px}.qa-list{display:grid;gap:12px}.qa-list article{background:#fff;border:1px solid #daedf9;border-radius:14px;padding:18px 22px}.qa-list h3{margin:0 0 7px}.muted{color:#5F7082}.site-footer{background:#082A46;color:#EAF8FF;padding:42px 0 25px}.site-footer h2{font-size:18px;color:#EAF8FF}.footer-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:25px}.footer-grid a{display:block;color:#EAF8FF;min-height:40px;line-height:40px}.footer-end{display:flex;gap:18px;justify-content:space-between;border-top:1px solid #ffffff30;padding-top:22px;margin-top:30px;font-size:14px}.mobile-bottom{display:none}.back-top{position:fixed;right:18px;bottom:20px;width:43px;height:43px;border:0;border-radius:50%;color:#fff;background:#0877C9;z-index:80}.mobile-drawer,.drawer-mask{display:none}
@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:64px;display:grid;grid-template-columns:1fr auto 1fr;gap:5px}.menu-toggle{display:block;justify-self:start}.main-nav{display:none}.header-inner>.brand{grid-column:2;grid-row:1;min-width:0}.header-inner>.register-btn{grid-column:3;grid-row:1;justify-self:end;min-width:72px;min-height:36px}.brand img{height:28px;max-width:145px}.brand strong{font-size:20px}.drawer-head{display:flex;justify-content:space-between;align-items:center;padding:14px 20px;border-bottom:1px solid #e3f1fa}.drawer-head .brand{min-width:0}.drawer-close{border:0;background:#EAF7FF;color:#0877C9;font-size:28px;width:42px;height:42px;border-radius:10px}.drawer-scroll{padding:10px 20px 35px;overflow-y:auto;height:calc(100% - 72px)}.drawer-scroll h2{font-size:15px;margin:17px 0 6px}.drawer-scroll a{display:block;color:#223044;padding:9px 12px;min-height:43px;border-bottom:1px solid #edf5fb}.main-content{padding-top:23px;padding-bottom:100px}.mobile-bottom{display:grid;grid-template-columns:repeat(4,1fr);position:fixed;bottom:0;left:0;right:0;background:#fff;border-top:1px solid #d9edf9;z-index:90;padding-bottom:env(safe-area-inset-bottom)}.mobile-bottom a{display:flex;justify-content:center;align-items:center;min-height:58px;font-weight:700}.mobile-bottom a:last-child{color:#0877C9}.back-top{bottom:80px}.hero{grid-template-columns:1fr}.hero-copy{padding:0}.card-grid{grid-template-columns:1fr}.poster-grid .media{height:190px}.brand-grid{grid-template-columns:1fr}.brand-card .media{height:190px}}
@media(max-width:620px){.wrap{width:min(100% - 26px,1160px)}h1{font-size:30px}h2{font-size:23px}.lead{font-size:16px}.panel,.feature,.article-sections section{padding:20px}.poster-grid{grid-template-columns:1fr;gap:12px}.poster-grid .media{height:165px}.poster{height:170px}.media{height:160px;aspect-ratio:auto}.brand-card .media{height:160px}.footer-grid{grid-template-columns:1fr;gap:12px}.footer-end{display:block}.footer-end span{display:block;margin-top:8px}.channel-strip{gap:4px 16px;padding:14px}.header-inner>.brand img{max-width:122px}}@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}.mobile-drawer{transition:none}}