:root{--bg:#F4FBFF;--white:#fff;--soft:#EAF7FF;--blue:#1CA8F6;--bright:#38C7FF;--deep:#0877C9;--cyan:#7FE4FF;--ink:#223044;--muted:#5F7082;--dark:#082A46;--shadow:0 16px 40px rgba(8,119,201,.08)}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--ink);font:16px/1.75 system-ui,-apple-system,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;overflow-x:hidden}a{text-decoration:none;color:inherit}img{display:block;max-width:100%;height:auto}button{font:inherit}.container{width:min(1200px,calc(100% - 32px));margin:auto}.site-header{position:sticky;top:0;z-index:100;background:rgba(255,255,255,.94);backdrop-filter:blur(12px);box-shadow:0 8px 24px rgba(8,119,201,.08)}.top-nav{height:76px;display:grid;grid-template-columns:190px 1fr auto;align-items:center;gap:24px}.brand-logo img{max-width:160px;max-height:48px;object-fit:contain}.nav-core{display:flex;justify-content:center;gap:34px}.nav-core a{color:#1D2A3A;position:relative;font-weight:600;padding:10px 8px}.nav-core a:hover,.nav-core a.active{color:var(--blue)}.nav-core a.active:after{content:"";position:absolute;left:50%;bottom:-8px;width:28px;height:3px;border-radius:999px;background:var(--blue);transform:translateX(-50%)}.main-btn{display:inline-flex;align-items:center;justify-content:center;background:linear-gradient(135deg,#38C7FF 0%,#1CA8F6 48%,#0877C9 100%);color:#fff;border-radius:999px;box-shadow:0 12px 26px rgba(8,119,201,.18);padding:11px 24px;font-weight:700;transition:.2s}.main-btn:hover{transform:translateY(-2px);box-shadow:0 16px 32px rgba(8,119,201,.25)}.header-register{white-space:nowrap}.channel-bar{background:rgba(234,247,255,.88);border-top:1px solid rgba(28,168,246,.1);border-bottom:1px solid rgba(28,168,246,.1);overflow-x:auto;white-space:nowrap}.channel-inner{display:flex;gap:8px;padding:9px 0}.channel-bar a{color:var(--muted);border-radius:999px;padding:6px 12px;font-size:14px}.channel-bar a:hover,.channel-bar 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img{width:100%;max-height:300px;object-fit:contain}.quick-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}.quick-pill,.card,.zone-card,.info-card,.review-card,.text-card{background:#fff;border:1px solid rgba(28,168,246,.12);box-shadow:var(--shadow);border-radius:20px}.quick-pill{padding:18px}.quick-pill p{font-size:14px;color:var(--muted);margin:5px 0}.text-link{color:var(--deep);font-weight:700}.platform-strip{padding:24px 28px;border-radius:20px;background:linear-gradient(135deg,#fff,#EAF7FF);display:flex;gap:28px;align-items:center}.platform-strip strong{color:var(--deep);font-size:20px;white-space:nowrap}.platform-strip p{margin:0}.info-board{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}.info-card,.text-card{padding:24px}.zone-card{padding:18px;overflow:hidden}.zone-card img{width:100%;height:190px;object-fit:contain;border-radius:16px;background:#F2FAFF}.zone-card ul,.text-card ul{padding-left:20px}.text-zone{display:flex;flex-direction:column;justify-content:center;padding:30px}.reviews{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.review-card{margin:0;padding:22px}.review-card cite{color:var(--muted);font-style:normal;font-size:14px}.faq-list details{background:#fff;border:1px solid rgba(28,168,246,.12);box-shadow:0 10px 24px rgba(8,119,201,.06);border-radius:16px;padding:16px 20px;margin:12px 0}.faq-list summary{cursor:pointer;color:var(--deep);font-weight:700}.about-summary{padding:32px;border-radius:24px;background:#fff;box-shadow:var(--shadow)}.inner-hero{margin-top:28px;display:grid;grid-template-columns:1.2fr .8fr;gap:28px}.compliance-strip{margin-top:46px;padding:22px 0;background:#EDF8FF;border-top:1px solid rgba(28,168,246,.15)}.compliance-strip .container{display:flex;gap:18px}.compliance-strip strong{color:var(--deep);white-space:nowrap}.compliance-strip p{margin:0}.site-footer{background:var(--dark);color:#EAF8FF;padding:44px 0 0}.footer-grid{display:grid;grid-template-columns:2fr repeat(3,1fr);gap:30px}.footer-brand img{max-width:160px;max-height:50px;object-fit:contain;background:#fff;border-radius:10px;padding:5px}.site-footer h3{color:#fff}.site-footer a{display:block;color:#CBEFFF;margin:7px 0}.footer-bottom{text-align:center;padding:18px;margin-top:28px;border-top:1px solid rgba(255,255,255,.1)}.floating-service{position:fixed;right:18px;top:42%;z-index:60;display:flex;flex-direction:column;gap:8px}.floating-service a,.floating-service button{background:#fff;color:var(--deep);border:1px solid rgba(28,168,246,.14);box-shadow:0 14px 30px rgba(8,119,201,.1);padding:10px 13px;border-radius:12px;cursor:pointer}.floating-service .register-link{background:linear-gradient(135deg,#38C7FF,#1CA8F6 48%,#0877C9);color:#fff}.menu-toggle,.mobile-drawer,.drawer-mask,.mobile-bottom{display:none}
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@media(max-width:760px){body{padding-bottom:72px}.container{width:min(100% - 24px,1200px)}.site-header{position:sticky}.top-nav{height:64px;grid-template-columns:44px 1fr auto;gap:10px}.brand-logo{justify-self:center}.brand-logo img{max-width:124px;max-height:40px}.nav-core,.channel-bar{display:none}.menu-toggle{display:flex;width:40px;height:40px;border:0;background:transparent;flex-direction:column;justify-content:center;gap:5px}.menu-toggle span{display:block;width:24px;height:2px;background:var(--deep);border-radius:2px}.header-register{padding:8px 15px;font-size:14px}.banner-slider{height:190px;margin-top:14px;border-radius:16px}.slider-arrow{width:34px;height:34px;font-size:24px}.split,.two-col,.three-col,.inner-hero{grid-template-columns:1fr}.feature-intro,.inner-hero{padding:22px}.quick-grid{grid-template-columns:1fr 1fr}.platform-strip,.compliance-strip .container{display:block}.platform-strip strong{display:block;margin-bottom:8px;white-space:normal}.info-board,.reviews{grid-template-columns:1fr}.footer-grid{grid-template-columns:1fr 1fr}.footer-brand{grid-column:1/-1}.drawer-mask{display:block;position:fixed;inset:0;background:rgba(8,42,70,.45);z-index:180;opacity:0;visibility:hidden;transition:.25s}.drawer-mask.show{opacity:1;visibility:visible}.mobile-drawer{display:block;position:fixed;left:0;top:0;bottom:0;width:84%;max-width:320px;background:#fff;z-index:190;transform:translateX(-100%);transition:.28s;overflow:auto;box-shadow:18px 0 45px rgba(8,42,70,.2)}.mobile-drawer.open{transform:translateX(0)}.drawer-head{display:flex;align-items:center;justify-content:space-between;padding:16px;border-bottom:1px solid #EAF7FF}.drawer-head img{max-width:135px;max-height:44px;object-fit:contain}.drawer-close{border:0;background:#EAF7FF;color:var(--deep);width:36px;height:36px;border-radius:50%;font-size:24px}.mobile-drawer nav{display:grid;padding:12px}.mobile-drawer nav a{padding:12px 14px;border-radius:12px;color:#33465A}.mobile-drawer nav a.active,.mobile-drawer nav a:hover{background:#EAF7FF;color:var(--deep)}body.drawer-open{overflow:hidden}.mobile-bottom{display:grid;grid-template-columns:repeat(4,1fr);position:fixed;left:0;right:0;bottom:0;z-index:120;background:rgba(255,255,255,.96);backdrop-filter:blur(12px);border-top:1px solid rgba(28,168,246,.16);padding-bottom:env(safe-area-inset-bottom)}.mobile-bottom a{text-align:center;padding:13px 4px;color:var(--deep);font-size:14px;font-weight:700}.zone-card img{height:160px}}
@media(max-width:430px){.quick-grid,.footer-grid{grid-template-columns:1fr}.banner-slider{height:170px}h1{font-size:30px}.section{margin-top:24px;margin-bottom:24px}}