:root{
  --bg:#E6EBF2;
  --nav-bg:#F5F7FB;
  --white:#FFFFFF;
  --soft:#EEF2F7;
  --soft-dark:#DDE4EE;
  --blue:#289CFF;
  --nav:#4E5F7A;
  --text:#243447;
  --muted:#66788A;
  --hint:#8A9AAF;
  --footer:#243447;
  --footer-text:#EAF3FF;
  --card:rgba(255,255,255,0.92);
  --border:rgba(40,156,255,0.16);
  --shadow:0 14px 36px rgba(56,92,138,0.12);
  --btn:linear-gradient(180deg,#32D1F6 0%,#27B9F4 35%,#249BFF 100%);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",Arial,sans-serif;line-height:1.78;overflow-x:hidden}
a{color:var(--blue);text-decoration:none;transition:.2s ease}
a:hover{color:#1E90F0}
img{max-width:100%;height:auto;display:block}
.site-header{position:sticky;top:0;z-index:9999;background:var(--nav-bg);backdrop-filter:blur(10px);box-shadow:0 8px 24px rgba(56,92,138,0.10)}
.desktop-header{max-width:1320px;margin:0 auto;display:flex;align-items:center;gap:18px;padding:12px 24px}
.brand-logo img{width:142px;max-height:46px;object-fit:contain}
.nav{flex:1;display:flex;align-items:center;justify-content:center;gap:8px;flex-wrap:wrap}
.nav a{position:relative;color:var(--nav);font-weight:700;font-size:14px;padding:8px 7px;border-radius:12px;white-space:nowrap}
.nav a.active,.nav a:hover{color:var(--blue)}
.nav a.active:after{content:"";position:absolute;left:12px;right:12px;bottom:2px;height:3px;background:var(--blue);border-radius:999px;box-shadow:0 0 12px rgba(40,156,255,.35)}
.main-btn{display:inline-flex;align-items:center;justify-content:center;background:var(--btn);color:#fff!important;border-radius:999px;box-shadow:0 10px 24px rgba(36,155,255,0.25);font-weight:800;border:0;min-height:42px;padding:10px 24px;line-height:1;white-space:nowrap;transition:.22s ease}
.main-btn:hover{background:linear-gradient(180deg,#48D9F7 0%,#1E90F0 100%);transform:translateY(-1px);box-shadow:0 14px 30px rgba(36,155,255,0.32)}
.header-btn{margin-left:auto}.mobile-header{display:none}.site-main{min-height:70vh}
.container{width:min(1200px,calc(100% - 36px));margin:0 auto}.narrow{width:min(980px,calc(100% - 36px));margin:0 auto}
.section{margin:34px auto}.section-head{margin-bottom:20px}.section-kicker{color:var(--blue);font-weight:800;letter-spacing:.08em;font-size:14px;margin-bottom:6px}.section-title,h1,h2,h3{color:var(--blue);line-height:1.28;margin:0 0 12px}.section-title{font-size:clamp(26px,3.2vw,40px)}
p{margin:0 0 14px}.lead{font-size:17px;color:var(--muted)}.muted{color:var(--muted)}.hint{color:var(--hint);font-size:14px}.text-link{font-weight:800;color:var(--blue)}
.page-hero{width:min(1200px,calc(100% - 36px));margin:28px auto 24px;background:linear-gradient(135deg,rgba(255,255,255,.94),rgba(238,242,247,.96));border:1px solid var(--border);box-shadow:var(--shadow);border-radius:26px;padding:34px;display:grid;grid-template-columns:minmax(0,1.1fr) minmax(260px,.9fr);gap:28px;align-items:center}.page-hero h1{font-size:clamp(30px,4vw,48px)}.hero-note{display:flex;flex-wrap:wrap;gap:10px;margin-top:18px}.pill{display:inline-flex;align-items:center;background:#EEF7FF;color:var(--blue);border:1px solid rgba(40,156,255,.18);border-radius:999px;padding:7px 12px;font-weight:800;font-size:13px}.hero-media{background:#fff;border-radius:22px;border:1px solid var(--border);padding:14px;box-shadow:0 10px 26px rgba(56,92,138,.10)}.hero-media img,.content-img,.zone-card img,.app-section img{width:100%;height:auto;object-fit:contain;border-radius:18px;background:#fff}.intro-actions{display:flex;align-items:center;gap:16px;margin-top:18px;flex-wrap:wrap}
.banner-slider{max-width:1200px;margin:28px auto 36px;border-radius:20px;background:#FFFFFF;box-shadow:0 18px 40px rgba(56,92,138,0.12);overflow:hidden;position:relative;aspect-ratio:16/6}.slides{width:100%;height:100%;position:relative}.slide{position:absolute;inset:0;opacity:0;transition:opacity .45s ease;pointer-events:none}.slide.active{opacity:1;pointer-events:auto}.banner-slider img{width:100%;height:100%;object-fit:contain;background:#FFFFFF}.slider-arrow{position:absolute;top:50%;transform:translateY(-50%);width:42px;height:42px;border-radius:50%;border:1px solid rgba(255,255,255,.72);background:rgba(36,52,71,.28);color:#fff;font-size:34px;line-height:1;display:flex;align-items:center;justify-content:center;cursor:pointer}.slider-arrow:hover{background:rgba(40,156,255,.76)}.slider-arrow.prev{left:14px}.slider-arrow.next{right:14px}.slider-dots{position:absolute;left:0;right:0;bottom:14px;display:flex;justify-content:center;gap:8px}.slider-dots button{width:10px;height:10px;border-radius:999px;border:0;background:rgba(36,52,71,.25);cursor:pointer;padding:0}.slider-dots button.active{width:28px;background:var(--blue)}.banner-caption,.banner-text,.slide-title,.slide-desc,.slide-content,.slide-card,.banner-card{display:none!important}
.card,.zone-card,.info-card,.review-card,.faq-item,.step-card{background:var(--card);border:1px solid var(--border);box-shadow:0 14px 36px rgba(56,92,138,0.10);border-radius:22px;padding:24px}.grid{display:grid;gap:18px}.grid-2{grid-template-columns:repeat(2,minmax(0,1fr))}.grid-3{grid-template-columns:repeat(3,minmax(0,1fr))}.grid-4{grid-template-columns:repeat(4,minmax(0,1fr))}.card h3,.zone-card h3,.info-card h3{font-size:20px}.card-num{font-weight:900;color:var(--blue);font-size:22px}.split{display:grid;grid-template-columns:1fr 1fr;gap:22px;align-items:center}.soft-panel{background:var(--soft);border-radius:24px;padding:26px;border:1px solid rgba(40,156,255,.12)}.feature-list{display:grid;gap:12px;margin:16px 0 0;padding:0;list-style:none}.feature-list li{display:flex;gap:10px;align-items:flex-start;color:var(--muted)}.feature-list li:before{content:"";flex:0 0 9px;width:9px;height:9px;border-radius:50%;background:var(--blue);margin-top:12px;box-shadow:0 0 12px rgba(40,156,255,.4)}.step-grid{counter-reset:item;display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}.step-card{position:relative}.step-card:before{counter-increment:item;content:counter(item,decimal-leading-zero);display:inline-flex;color:var(--blue);font-weight:900;font-size:22px;margin-bottom:8px}.review-card{color:var(--muted)}.review-name{display:block;color:var(--blue);font-weight:900;margin-top:12px}.faq-list{display:grid;gap:14px}.faq-item h3{font-size:19px;margin-bottom:8px}.notice-band{background:#DDE4EE;border:1px solid rgba(40,156,255,.18);border-radius:22px;padding:22px;color:var(--muted)}.notice-band strong{color:var(--blue)}
.link-list{display:grid;gap:10px}.link-list a{background:#fff;border:1px solid var(--border);border-radius:15px;padding:12px 14px;font-weight:800}.table-like{display:grid;gap:12px}.table-row{display:grid;grid-template-columns:170px 1fr;gap:12px;background:#fff;border:1px solid var(--border);border-radius:16px;padding:14px}.table-row strong{color:var(--blue)}
.site-footer{margin-top:48px;background:var(--footer);color:var(--footer-text)}.footer-inner{width:min(1200px,calc(100% - 36px));margin:0 auto;padding:34px 0;display:grid;grid-template-columns:1.1fr .8fr 1.2fr;gap:28px}.footer-brand img{width:150px;max-height:50px;object-fit:contain;margin-bottom:12px}.footer-brand p,.footer-note p{color:#D7E6F5}.footer-links{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}.footer-links a{color:#EAF3FF;background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.10);border-radius:14px;padding:9px 12px}.footer-links a:hover{color:#fff;background:rgba(40,156,255,.22)}.copyright{text-align:center;border-top:1px solid rgba(255,255,255,.12);padding:16px;color:#C9DAEA}
.drawer-mask{position:fixed;inset:0;background:rgba(0,0,0,.42);z-index:10000;opacity:0;visibility:hidden;transition:.25s ease}.mobile-drawer{position:fixed;top:0;left:0;width:84vw;max-width:320px;height:100vh;background:#fff;z-index:10001;transform:translateX(-105%);transition:transform .26s ease;box-shadow:18px 0 36px rgba(0,0,0,.18);overflow:auto}.drawer-open .mobile-drawer{transform:translateX(0)}.drawer-open .drawer-mask{opacity:1;visibility:visible}.drawer-open{overflow:hidden}.drawer-top{display:flex;align-items:center;justify-content:space-between;padding:18px;border-bottom:1px solid rgba(40,156,255,.14)}.drawer-logo img{width:132px;max-height:44px;object-fit:contain}.drawer-close{border:0;background:#EEF7FF;color:var(--blue);font-size:28px;width:40px;height:40px;border-radius:50%;line-height:1}.drawer-nav{display:grid;gap:4px;padding:14px}.drawer-nav a{color:var(--nav);font-weight:800;padding:12px 14px;border-radius:14px}.drawer-nav a.active,.drawer-nav a:hover{background:#EEF7FF;color:var(--blue)}
@media (max-width:1100px){.nav a{font-size:13px;padding:7px 5px}.desktop-header{gap:12px}.brand-logo img{width:128px}.grid-4{grid-template-columns:repeat(2,minmax(0,1fr))}.grid-3{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (max-width:860px){.desktop-header{display:none}.mobile-header{display:grid;grid-template-columns:56px 1fr auto;align-items:center;min-height:66px;padding:10px 16px;background:var(--nav-bg)}.menu-toggle{width:42px;height:42px;border:0;background:#fff;border-radius:14px;display:grid;place-content:center;gap:5px;box-shadow:0 6px 16px rgba(56,92,138,.10)}.menu-toggle span{width:22px;height:2px;background:var(--nav);display:block;border-radius:999px}.mobile-logo{justify-self:center}.mobile-logo img{width:132px;max-height:44px;object-fit:contain}.mobile-register{min-height:38px;padding:8px 18px}.banner-slider{width:calc(100% - 28px);margin:18px auto 28px;border-radius:16px;aspect-ratio:16/8}.slider-arrow{width:36px;height:36px;font-size:28px}.container,.narrow,.page-hero{width:calc(100% - 28px)}.page-hero{grid-template-columns:1fr;padding:24px;margin-top:18px}.split,.grid-2,.grid-3,.grid-4,.step-grid,.footer-inner{grid-template-columns:1fr}.table-row{grid-template-columns:1fr}.section{margin:26px auto}.card,.zone-card,.info-card,.review-card,.faq-item,.step-card{padding:20px}.footer-links{grid-template-columns:1fr}}
@media (max-width:520px){body{line-height:1.72}.mobile-header{grid-template-columns:48px 1fr 78px;padding:8px 12px}.mobile-logo img{width:118px}.mobile-register{padding:8px 14px;font-size:14px}.banner-slider{aspect-ratio:16/10}.page-hero h1{font-size:29px}.section-title{font-size:25px}.intro-actions{align-items:flex-start;flex-direction:column}.main-btn{width:auto}.slider-dots{bottom:10px}.slider-dots button{width:8px;height:8px}.slider-dots button.active{width:22px}}