*{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{text-decoration:none;color:inherit}
img{max-width:100%;height:auto;display:block}
.site-header{position:sticky;top:0;z-index:9999;background:#F5F7FB;border-bottom:1px solid rgba(40,156,255,.12);box-shadow:0 8px 24px rgba(56,92,138,.08)}
.header-inner{max-width:1240px;margin:0 auto;padding:0 20px;display:flex;align-items:center;justify-content:space-between;gap:24px;min-height:72px}
.logo{flex:0 0 auto;display:flex;align-items:center}
.logo img{max-height:52px;width:auto;display:block}
.nav-wrap{flex:1 1 auto;min-width:0;display:flex;justify-content:center}
.nav{display:flex;align-items:center;gap:18px;white-space:nowrap;flex-wrap:nowrap}
.nav a{color:#4E5F7A;font-size:15px;font-weight:600;padding:22px 2px;position:relative}
.nav a:hover,.nav a.active{color:#289CFF}
.nav a.active:after{content:"";position:absolute;left:0;right:0;bottom:14px;height:3px;border-radius:6px;background:#289CFF}
.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 24px;border-radius:999px;background:linear-gradient(180deg, #32D1F6 0%, #27B9F4 35%, #249BFF 100%);color:#FFFFFF!important;font-weight:700;border:0;box-shadow:0 10px 20px rgba(36,155,255,.25)}
.main-btn:hover{background:#1E90F0}
.dropdown,.more-dropdown{position:relative}
.dropdown-menu,.more-menu{position:absolute;top:100%;left:0;min-width:180px;background:#FFFFFF;border:1px solid rgba(40,156,255,.12);border-radius:14px;box-shadow:0 18px 38px rgba(56,92,138,.16);z-index:10000;padding:8px;opacity:0;visibility:hidden;transform:translateY(8px);transition:.18s ease}
.dropdown:hover .dropdown-menu,.more-dropdown:hover .more-menu{opacity:1;visibility:visible;transform:translateY(0)}
.dropdown-menu a,.more-menu a{display:block;padding:12px 16px;color:#4E5F7A;white-space:nowrap;border-radius:10px}
.dropdown-menu a:hover,.more-menu a:hover{color:#289CFF;background:rgba(40,156,255,.08)}
.mobile-menu-btn{display:none;background:transparent;border:0;width:42px;height:42px;padding:8px;flex:0 0 auto}
.mobile-menu-btn span{display:block;height:3px;background:#4E5F7A;border-radius:5px;margin:6px 0}
.drawer-mask{position:fixed;inset:0;background:rgba(36,52,71,.42);z-index:10001;opacity:0;visibility:hidden;transition:.2s}
.drawer-mask.show{opacity:1;visibility:visible}
.mobile-drawer{position:fixed;left:0;top:0;height:100vh;width:84%;max-width:320px;background:#FFFFFF;z-index:10002;transform:translateX(-105%);transition:.25s ease;box-shadow:18px 0 42px rgba(36,52,71,.18);overflow-y:auto}
.mobile-drawer.open{transform:translateX(0)}
.drawer-top{display:flex;align-items:center;justify-content:space-between;padding:18px;border-bottom:1px solid rgba(40,156,255,.12)}
.drawer-logo img{height:46px;width:auto}
.drawer-close{border:0;background:#EEF2F7;color:#289CFF;border-radius:50%;width:38px;height:38px;font-size:26px;line-height:1}
.drawer-nav{padding:14px}
.drawer-nav a{display:block;padding:13px 14px;border-radius:12px;color:#4E5F7A;font-weight:600}
.drawer-nav a:hover{background:#EEF2F7;color:#289CFF}
.no-scroll{overflow:hidden}
.section{max-width:1200px;margin:0 auto 32px;padding:0 20px}
.hero-page{max-width:1200px;margin:28px auto 30px;padding:44px 34px;border-radius:24px;background:rgba(255,255,255,.92);border:1px solid rgba(40,156,255,.16);box-shadow:0 14px 36px rgba(56,92,138,.10)}
.hero-page h1{margin:0 0 14px;color:#289CFF;font-size:38px;line-height:1.25}
.hero-page p{max-width:900px;margin:0;color:#66788A}
h1,h2,h3,.section-title{color:#289CFF}
.section-title{font-size:28px;margin:0 0 18px}
.lead{font-size:17px;color:#66788A}
.grid{display:grid;gap:20px}
.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,.zone-card,.info-card,.review-card,.faq-card{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:20px;padding:24px}
.card h3,.zone-card h3,.info-card h3,.review-card h3,.faq-card h3{margin:0 0 10px;font-size:20px}
.card p,.zone-card p,.info-card p,.review-card p,.faq-card p{margin:0 0 12px;color:#66788A}
.text-link{color:#289CFF;font-weight:700}
.tag{display:inline-flex;color:#289CFF;background:rgba(40,156,255,.09);padding:4px 12px;border-radius:999px;font-weight:700;font-size:13px;margin-bottom:12px}
.content-img,.zone-card img,.app-section img{width:100%;height:auto;object-fit:contain;background:#FFFFFF;border-radius:18px;margin-bottom:16px}
.banner-slider{max-width:1200px;margin:28px auto 36px;border-radius:20px;background:#FFFFFF;box-shadow:0 18px 40px rgba(56,92,138,.12);overflow:hidden;position:relative}
.banner-viewport{height:430px;position:relative;background:#FFFFFF}
.banner-slide{position:absolute;inset:0;opacity:0;transition:opacity .45s ease;background:#FFFFFF}
.banner-slide.active{opacity:1}
.banner-slider img{width:100%;height:100%;object-fit:contain;background:#FFFFFF}
.banner-caption,.banner-text,.slide-title,.slide-desc,.slide-content,.slide-card,.banner-card{display:none!important}
.slider-arrow{position:absolute;top:50%;transform:translateY(-50%);width:42px;height:42px;border-radius:50%;border:0;background:rgba(255,255,255,.86);color:#289CFF;font-size:28px;z-index:4;cursor:pointer;box-shadow:0 8px 18px rgba(56,92,138,.14)}
.slider-arrow.prev{left:16px}
.slider-arrow.next{right:16px}
.slider-dots{position:absolute;left:0;right:0;bottom:14px;display:flex;justify-content:center;gap:8px;z-index:4}
.slider-dots button{width:10px;height:10px;border-radius:50%;border:0;background:rgba(78,95,122,.35);cursor:pointer}
.slider-dots button.active{background:#289CFF}
.intro-band{display:grid;grid-template-columns:1.25fr .75fr;gap:24px;align-items:center}
.pill-list{display:flex;flex-wrap:wrap;gap:10px}
.pill-list span{background:#EEF2F7;color:#4E5F7A;border-radius:999px;padding:8px 14px;font-weight:600}
.notice{background:#DDE4EE;border-left:4px solid #289CFF;border-radius:16px;padding:18px 20px;color:#4E5F7A}
.steps{counter-reset:item}
.step{position:relative;padding-left:50px}
.step:before{counter-increment:item;content:counter(item);position:absolute;left:0;top:0;width:34px;height:34px;border-radius:50%;display:flex;align-items:center;justify-content:center;background:rgba(40,156,255,.12);color:#289CFF;font-weight:800}
.site-footer{background:#243447;color:#EAF3FF;margin-top:46px;padding:44px 20px 24px}
.footer-grid{max-width:1200px;margin:0 auto;display:grid;grid-template-columns:1.8fr 1fr 1fr 1.4fr;gap:28px}
.footer-brand img{height:52px;width:auto;margin-bottom:14px}
.site-footer h3{color:#EAF3FF;margin:0 0 12px}
.site-footer a{display:block;color:#EAF3FF;opacity:.88;margin:8px 0}
.site-footer p{color:#EAF3FF;opacity:.86;margin:0}
.footer-bottom{max-width:1200px;margin:28px auto 0;padding-top:18px;border-top:1px solid rgba(234,243,255,.18);color:#EAF3FF;opacity:.9}
.footer-bottom a{display:inline;margin:0;color:#EAF3FF}
@media (max-width:1080px){.nav{gap:12px}.nav a{font-size:14px}.header-inner{gap:14px}.grid-4{grid-template-columns:repeat(2,1fr)}}
@media (max-width:860px){
.header-inner{min-height:66px;padding:0 14px;display:grid;grid-template-columns:48px 1fr auto;gap:10px}
.mobile-menu-btn{display:block}
.nav-wrap{display:none}
.logo{justify-content:center}
.logo img{max-height:46px}
.main-btn{min-height:38px;padding:0 16px}
.banner-slider{margin:18px 14px 28px;border-radius:16px}
.banner-viewport{height:230px}
.hero-page{margin:18px 14px 24px;padding:30px 20px}
.hero-page h1{font-size:30px}
.grid-2,.grid-3,.grid-4,.intro-band,.footer-grid{grid-template-columns:1fr}
.section{padding:0 14px}
.card,.zone-card,.info-card,.review-card,.faq-card{padding:20px}
}
@media (max-width:480px){.banner-viewport{height:190px}.section-title{font-size:24px}.hero-page h1{font-size:26px}}