:root{
  --bg:#E6EBF2;
  --nav-bg:#F5F7FB;
  --white:#FFFFFF;
  --soft:#EEF2F7;
  --soft-2:#DDE4EE;
  --blue:#289CFF;
  --nav-text:#4E5F7A;
  --text:#243447;
  --muted:#66788A;
  --note:#8A9AAF;
  --footer:#243447;
  --footer-text:#EAF3FF;
  --grad:linear-gradient(180deg,#32D1F6 0%,#27B9F4 35%,#249BFF 100%);
  --shadow:0 14px 36px rgba(56,92,138,0.12);
  --border:rgba(40,156,255,0.16);
}
*{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:inherit;text-decoration:none}
img{max-width:100%;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)}
.header-inner{width:min(1200px,calc(100% - 32px));margin:0 auto;display:flex;align-items:center;justify-content:space-between;gap:24px;min-height:72px}
.logo,.drawer-logo,.footer-logo{flex:0 0 auto;display:inline-flex;align-items:center}.logo img{max-height:52px;width:auto}.drawer-logo img{max-height:46px;width:auto}.footer-logo img{max-height:54px;width:auto}
.nav-wrap{flex:1 1 auto;min-width:0;display:flex;justify-content:center}.nav{display:flex;align-items:center;gap:20px;white-space:nowrap;flex-wrap:nowrap}.nav a,.drop-btn{position:relative;border:0;background:transparent;color:var(--nav-text);font:inherit;font-size:15px;font-weight:700;line-height:1;cursor:pointer;padding:28px 0}.nav a:hover,.drop-btn:hover,.nav a.active,.drop-btn.active{color:var(--blue)}.nav a.active:after,.drop-btn.active:after{content:"";position:absolute;left:0;right:0;bottom:18px;height:3px;border-radius:999px;background:var(--blue)}
.header-action{flex:0 0 auto;display:flex;align-items:center}.main-btn{display:inline-flex;align-items:center;justify-content:center;min-height:42px;padding:0 22px;border-radius:999px;background:var(--grad);color:#fff!important;font-weight:800;box-shadow:0 10px 24px rgba(36,155,255,0.25);transition:.2s ease}.main-btn:hover{background:linear-gradient(180deg,#48D9F7 0%,#1E90F0 100%);transform:translateY(-1px)}
.dropdown{position:relative}.dropdown-menu{position:absolute;top:100%;left:0;min-width:186px;background:#fff;border:1px solid rgba(40,156,255,0.12);border-radius:14px;box-shadow:0 18px 38px rgba(56,92,138,0.16);z-index:10000;padding:8px;opacity:0;visibility:hidden;transform:translateY(10px);transition:.18s ease}.dropdown:hover .dropdown-menu,.dropdown:focus-within .dropdown-menu{opacity:1;visibility:visible;transform:translateY(0)}.dropdown-menu-right{left:auto;right:0}.dropdown-menu a{display:block;padding:10px 14px;color:var(--nav-text);white-space:nowrap;border-radius:10px;font-weight:700}.dropdown-menu a:hover{color:var(--blue);background:rgba(40,156,255,0.08)}
.menu-toggle{display:none;border:0;background:transparent;padding:8px;width:42px;height:42px;flex:0 0 auto}.menu-toggle span{display:block;height:2px;background:var(--nav-text);border-radius:8px;margin:6px 0}.drawer-mask{position:fixed;inset:0;background:rgba(20,34,52,.42);z-index:10001;opacity:0;visibility:hidden;transition:.2s ease}.drawer-mask.show{opacity:1;visibility:visible}.mobile-drawer{position:fixed;top:0;left:0;width:84vw;max-width:320px;height:100vh;background:#fff;z-index:10002;transform:translateX(-105%);transition:.24s ease;box-shadow:20px 0 44px rgba(28,58,92,.22);overflow-y:auto}.mobile-drawer.open{transform:translateX(0)}.drawer-open{overflow:hidden}.drawer-head{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:18px;border-bottom:1px solid rgba(40,156,255,.12)}.drawer-close{border:0;background:var(--soft);color:var(--nav-text);width:38px;height:38px;border-radius:12px;font-size:26px;line-height:1;cursor:pointer}.drawer-nav{display:grid;padding:12px}.drawer-nav a{padding:13px 14px;color:var(--nav-text);border-radius:12px;font-weight:700}.drawer-nav a:hover{color:var(--blue);background:rgba(40,156,255,.08)}
.site-main{min-height:60vh}.container{width:min(1200px,calc(100% - 32px));margin:0 auto}.banner-slider{max-width:1200px;height:clamp(220px,42vw,520px);margin:28px auto 36px;border-radius:20px;background:#fff;box-shadow:0 18px 40px rgba(56,92,138,0.12);overflow:hidden;position:relative}.banner-track{height:100%;position:relative}.banner-slide{position:absolute;inset:0;opacity:0;transition:opacity .45s ease}.banner-slide.active{opacity:1}.banner-slide img{width:100%;height:100%;object-fit:contain;background:#fff}.banner-arrow{position:absolute;top:50%;transform:translateY(-50%);width:42px;height:42px;border-radius:50%;border:1px solid rgba(40,156,255,.22);background:rgba(255,255,255,.84);color:var(--blue);font-size:26px;cursor:pointer;z-index:5;box-shadow:0 10px 22px rgba(56,92,138,.14)}.banner-arrow.prev{left:16px}.banner-arrow.next{right:16px}.banner-dots{position:absolute;left:0;right:0;bottom:16px;display:flex;justify-content:center;gap:8px;z-index:5}.banner-dots button{width:9px;height:9px;border-radius:999px;border:0;background:rgba(78,95,122,.35);cursor:pointer;padding:0}.banner-dots button.active{width:24px;background:var(--blue)}.banner-caption,.banner-text,.slide-title,.slide-desc,.slide-content,.slide-card,.banner-card{display:none!important}
.page-hero,.section{width:min(1200px,calc(100% - 32px));margin:0 auto 30px}.page-hero{padding:52px 0 18px}.hero-card{background:rgba(255,255,255,.92);border:1px solid var(--border);box-shadow:var(--shadow);border-radius:26px;padding:34px}.eyebrow{display:inline-flex;color:var(--blue);font-weight:800;background:rgba(40,156,255,.08);border:1px solid rgba(40,156,255,.14);border-radius:999px;padding:5px 12px;margin-bottom:12px}.hero-card h1,.section h2,.section-title{color:var(--blue);line-height:1.25;margin:0 0 14px}.hero-card h1{font-size:clamp(30px,4vw,50px)}.section h2{font-size:clamp(24px,3vw,36px)}.hero-card p,.section p{color:var(--muted);margin:0 0 12px}.hero-actions{margin-top:20px;display:flex;gap:14px;align-items:center;flex-wrap:wrap}.text-link{color:var(--blue);font-weight:800}.two-col{display:grid;grid-template-columns:minmax(0,1.05fr) minmax(280px,.95fr);gap:24px;align-items:center}.grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px}.grid.three{grid-template-columns:repeat(3,minmax(0,1fr))}.grid.two{grid-template-columns:repeat(2,minmax(0,1fr))}.card,.zone-card,.info-card,.review-card,.faq-item,.image-card{background:rgba(255,255,255,.92);border:1px solid var(--border);box-shadow:0 14px 36px rgba(56,92,138,0.10);border-radius:22px;padding:22px}.card h3,.zone-card h3,.info-card h3,.review-card h3,.faq-item h3{color:var(--blue);margin:0 0 10px;line-height:1.35}.card p,.zone-card p,.info-card p,.review-card p,.faq-item p{margin:0;color:var(--muted)}.card .num{display:inline-flex;align-items:center;justify-content:center;width:34px;height:34px;border-radius:12px;background:rgba(40,156,255,.10);color:var(--blue);font-weight:900;margin-bottom:12px}.image-card{padding:12px}.image-card img,.content-img,.zone-card img,.app-section img{max-width:100%;height:auto;object-fit:contain;background:#fff;border-radius:18px}.image-card img{width:100%;max-height:420px}.media{display:grid;gap:14px}.notice{background:#243447;color:#EAF3FF;border-radius:22px;padding:24px;box-shadow:var(--shadow)}.notice h2,.notice h3{margin:0 0 10px;color:#EAF3FF}.notice p{color:#DDEBFA}.pill-list{display:flex;flex-wrap:wrap;gap:10px;margin-top:14px}.pill{display:inline-flex;border:1px solid rgba(40,156,255,.18);background:rgba(40,156,255,.08);color:var(--blue);border-radius:999px;padding:6px 12px;font-weight:800;font-size:14px}.steps{counter-reset:step;display:grid;gap:14px}.step{position:relative;padding-left:58px}.step:before{counter-increment:step;content:counter(step);position:absolute;left:0;top:2px;width:38px;height:38px;border-radius:14px;background:rgba(40,156,255,.10);color:var(--blue);display:grid;place-items:center;font-weight:900}.review-card{font-size:15px}.faq-list{display:grid;gap:14px}.site-footer{background:var(--footer);color:var(--footer-text);margin-top:54px}.footer-inner{width:min(1200px,calc(100% - 32px));margin:0 auto;display:grid;grid-template-columns:1.2fr 2fr;gap:34px;padding:42px 0}.footer-brand p{color:#DCEBFA;margin:16px 0 0}.footer-links{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}.footer-links h3{font-size:16px;margin:0 0 12px;color:#fff}.footer-links a{display:block;color:#DCEBFA;margin:7px 0}.footer-links a:hover{color:#fff}.footer-warning{border-top:1px solid rgba(234,243,255,.16);width:min(1200px,calc(100% - 32px));margin:0 auto;padding:18px 0 24px;color:#DCEBFA;font-size:14px}
@media (max-width:1100px){.header-inner{gap:12px;width:min(100%,calc(100% - 20px));min-height:66px}.nav-wrap{display:none}.menu-toggle{display:block}.logo{position:absolute;left:50%;transform:translateX(-50%)}.logo img{max-height:44px}.header-action .main-btn{min-height:38px;padding:0 16px}.page-hero{padding-top:34px}.grid{grid-template-columns:repeat(2,minmax(0,1fr))}.two-col{grid-template-columns:1fr}.banner-slider{width:calc(100% - 24px);margin-top:18px;border-radius:16px}}
@media (max-width:720px){body{line-height:1.68}.hero-card{padding:24px;border-radius:22px}.section{margin-bottom:22px}.grid,.grid.three,.grid.two,.footer-inner,.footer-links{grid-template-columns:1fr}.card,.zone-card,.info-card,.review-card,.faq-item{padding:18px}.banner-slider{height:clamp(190px,60vw,330px)}.banner-arrow{width:36px;height:36px;font-size:22px}.banner-arrow.prev{left:8px}.banner-arrow.next{right:8px}.footer-inner{gap:22px}.header-action .main-btn{padding:0 14px}.menu-toggle{width:38px}}