*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:#E6EBF2;color:#243447;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","Microsoft YaHei",Arial,sans-serif;line-height:1.75;overflow-x:hidden}
a{color:inherit;text-decoration:none}
img{max-width:100%;height:auto;display:block}
.site-header{position:sticky;top:0;z-index:9999;background:rgba(245,247,251,0.92);backdrop-filter:blur(10px);box-shadow:0 10px 30px rgba(56,92,138,.10)}
.header-inner{max-width:1200px;margin:0 auto;display:flex;align-items:center;justify-content:space-between;gap:24px;min-height:76px;padding:0 22px}
.logo{flex:0 0 auto;display:flex;align-items:center}
.logo img{max-height:52px;width:auto;display:block}
.nav-core{flex:1 1 auto;display:flex;justify-content:center;gap:22px;white-space:nowrap;flex-wrap:nowrap}
.nav-core a{color:#4E5F7A;font-weight:700;padding:8px 3px;border-bottom:2px solid transparent}
.nav-core a:hover,.nav-core a.active{color:#289CFF;border-bottom-color:#289CFF}
.header-action{flex:0 0 auto;display:flex;align-items:center;gap:12px}
.all-menu-btn{border:1px solid rgba(40,156,255,.18);background:rgba(255,255,255,.74);color:#289CFF;border-radius:999px;padding:10px 16px;font-weight:800;cursor:pointer}
.main-btn{display:inline-flex;align-items:center;justify-content:center;min-height:42px;padding:10px 22px;background:linear-gradient(180deg,#32D1F6 0%,#27B9F4 35%,#249BFF 100%);color:#fff;border-radius:999px;font-weight:800;box-shadow:0 12px 26px rgba(36,155,255,.25);transition:.22s ease;white-space:nowrap}
.main-btn:hover{transform:translateY(-2px);box-shadow:0 16px 30px rgba(36,155,255,.32)}
.mobile-menu-btn{display:none;border:0;background:rgba(255,255,255,.7);border-radius:14px;width:42px;height:42px;align-items:center;justify-content:center;flex-direction:column;gap:5px;cursor:pointer}
.mobile-menu-btn span{width:20px;height:2px;background:#289CFF;border-radius:9px}
.mega-mask,.drawer-mask{position:fixed;inset:0;background:rgba(22,36,54,.36);z-index:9998;opacity:0;visibility:hidden;transition:.2s ease}
.mega-mask.show,.drawer-mask.show{opacity:1;visibility:visible}
.mega-panel{position:fixed;top:76px;left:50%;transform:translateX(-50%) translateY(-12px);width:min(1120px,calc(100% - 32px));background:rgba(255,255,255,.96);border:1px solid rgba(40,156,255,.16);border-radius:24px;box-shadow:0 24px 60px rgba(56,92,138,.18);z-index:10000;opacity:0;visibility:hidden;transition:.22s ease;padding:24px}
.mega-panel.show{opacity:1;visibility:visible;transform:translateX(-50%) translateY(0)}
.mega-head{display:flex;align-items:flex-start;justify-content:space-between;gap:16px;border-bottom:1px solid rgba(40,156,255,.12);padding-bottom:18px;margin-bottom:18px}
.mega-head span{font-size:22px;font-weight:900;color:#289CFF}
.mega-head p{margin:4px 0 0;color:#66788A}
.close-btn{border:1px solid rgba(40,156,255,.18);background:#fff;color:#289CFF;border-radius:999px;padding:8px 14px;cursor:pointer;font-weight:800}
.mega-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.mega-group{background:#F5F7FB;border:1px solid rgba(40,156,255,.12);border-radius:18px;padding:16px}
.mega-group h3{margin:0 0 12px;color:#289CFF;font-size:17px}
.mega-group a{display:block;padding:10px 0;border-top:1px solid rgba(40,156,255,.10)}
.mega-group a:first-of-type{border-top:0}
.mega-group strong{display:block;color:#243447}
.mega-group span{display:block;color:#8A9AAF;font-size:13px;line-height:1.45}
.mobile-drawer{position:fixed;top:0;left:0;height:100vh;width:84vw;max-width:320px;background:#fff;z-index:10001;transform:translateX(-105%);transition:.24s ease;box-shadow:18px 0 40px rgba(56,92,138,.22);overflow-y:auto}
.mobile-drawer.show{transform:translateX(0)}
.drawer-lock{overflow:hidden}
.drawer-head{display:flex;align-items:center;justify-content:space-between;gap:14px;padding:18px;border-bottom:1px solid rgba(40,156,255,.12)}
.drawer-head img{max-height:46px;width:auto}
.drawer-nav{display:grid;gap:4px;padding:14px}
.drawer-nav a{padding:12px 14px;border-radius:14px;color:#4E5F7A;font-weight:800;background:#F5F7FB}
.drawer-nav a:hover{color:#289CFF;background:#EEF2F7}
.page-main{min-height:70vh}
.container{width:min(1200px,calc(100% - 32px));margin:0 auto}
.section{margin:34px auto;padding:34px;border-radius:26px;background:rgba(255,255,255,.82);border:1px solid rgba(40,156,255,.14);box-shadow:0 14px 36px rgba(56,92,138,.10)}
.section.alt{background:#F5F7FB}
.section-title,h1,h2,h3{color:#289CFF;line-height:1.25}
h1{font-size:clamp(30px,4vw,52px);margin:0 0 18px}
h2{font-size:clamp(24px,3vw,34px);margin:0 0 16px}
h3{font-size:20px;margin:0 0 10px}
.lead{font-size:18px;color:#4E5F7A;max-width:900px}
.muted{color:#66788A}
.eyebrow{display:inline-flex;align-items:center;border:1px solid rgba(40,156,255,.18);background:#fff;color:#289CFF;border-radius:999px;padding:6px 13px;font-weight:900;margin-bottom:12px}
.grid{display:grid;gap:18px}
.grid.two{grid-template-columns:repeat(2,1fr)}
.grid.three{grid-template-columns:repeat(3,1fr)}
.grid.four{grid-template-columns:repeat(4,1fr)}
.card,.zone-card,.info-card,.review-card,.faq-item{background:rgba(255,255,255,.92);border:1px solid rgba(40,156,255,.16);box-shadow:0 14px 36px rgba(56,92,138,.10);border-radius:22px;padding:22px}
.card p,.zone-card p,.info-card p,.review-card p,.faq-item p{margin:0;color:#66788A}
.card .num,.info-card .num{color:#289CFF;font-weight:900;font-size:15px}
.link-more{display:inline-flex;margin-top:14px;color:#289CFF;font-weight:900}
.content-split{display:grid;grid-template-columns:1.05fr .95fr;gap:28px;align-items:center}
.content-split.reverse{grid-template-columns:.95fr 1.05fr}
.visual-card{background:#fff;border:1px solid rgba(40,156,255,.16);border-radius:24px;padding:14px;box-shadow:0 18px 40px rgba(56,92,138,.12)}
.content-img,.zone-card img,.app-section img,.banner-slider img{max-width:100%;height:auto}
.visual-card img{width:100%;height:auto;object-fit:contain;border-radius:18px;background:#fff}
.banner-slider{max-width:1200px;margin:28px auto 36px;border-radius:22px;background:#fff;box-shadow:0 18px 40px rgba(56,92,138,.12);overflow:hidden;position:relative}
.banner-track{display:flex;transition:transform .45s ease}
.banner-slide{min-width:100%;background:#fff;display:flex;align-items:center;justify-content:center}
.banner-slider img{width:100%;height:auto;object-fit:contain;background:#fff}
.slider-btn{position:absolute;top:50%;transform:translateY(-50%);width:42px;height:42px;border:0;border-radius:50%;background:rgba(255,255,255,.8);color:#289CFF;font-size:26px;cursor:pointer;box-shadow:0 8px 20px rgba(56,92,138,.16)}
.slider-btn.prev{left:16px}.slider-btn.next{right:16px}
.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:50%;border:0;background:rgba(255,255,255,.72);cursor:pointer}
.slider-dots button.active{background:#289CFF}
.banner-caption,.banner-text,.slide-title,.slide-desc,.slide-content,.slide-card,.banner-card{display:none!important}
.quick-links{display:flex;flex-wrap:wrap;gap:12px;margin-top:18px}
.quick-links a{background:#fff;color:#289CFF;border:1px solid rgba(40,156,255,.16);border-radius:999px;padding:9px 14px;font-weight:800}
.product-matrix{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.zone-card img{border-radius:16px;margin-bottom:14px;width:100%;object-fit:contain;background:#fff}
.notice-strip{background:#243447;color:#EAF3FF;border-radius:24px;padding:24px}
.notice-strip h2{color:#EAF3FF}
.notice-strip p{color:#EAF3FF;margin:0}
.inner-hero{padding:58px 0 18px}
.breadcrumb{color:#8A9AAF;font-size:14px;margin-bottom:10px}
.detail-list{display:grid;gap:12px;margin-top:16px}
.detail-list li{background:#fff;border:1px solid rgba(40,156,255,.14);border-radius:16px;padding:12px 14px;color:#4E5F7A}
.site-footer{background:#243447;color:#EAF3FF;margin-top:50px}
.footer-inner{width:min(1200px,calc(100% - 32px));margin:0 auto;padding:38px 0;display:grid;grid-template-columns:1.1fr 1.4fr;gap:24px}
.footer-brand img{max-height:50px;width:auto;margin-bottom:12px}
.footer-brand p,.footer-note p{color:#EAF3FF;margin:0}
.footer-links{display:flex;flex-wrap:wrap;gap:10px}
.footer-links a{color:#EAF3FF;background:rgba(255,255,255,.08);border-radius:999px;padding:8px 12px;font-size:14px}
.footer-note{grid-column:1/-1;border-top:1px solid rgba(234,243,255,.16);padding-top:18px}
@media (max-width:900px){
  .header-inner{min-height:68px;padding:0 12px;gap:10px}
  .mobile-menu-btn{display:flex}
  .nav-core,.all-menu-btn{display:none}
  .logo{position:absolute;left:50%;transform:translateX(-50%)}
  .logo img{max-height:42px}
  .main-btn{padding:8px 14px;min-height:38px}
  .mega-panel{display:none}
  .section{padding:24px;margin:24px auto;border-radius:22px}
  .grid.two,.grid.three,.grid.four,.product-matrix,.content-split,.content-split.reverse,.footer-inner{grid-template-columns:1fr}
  .banner-slider{margin:18px auto 24px;border-radius:16px}
  .slider-btn{width:34px;height:34px;font-size:20px}
  .quick-links{flex-wrap:nowrap;overflow-x:auto;padding-bottom:4px}
  .quick-links a{white-space:nowrap}
}