*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:#E6EBF2;color:#243447;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",Arial,sans-serif;line-height:1.75;overflow-x:hidden}
a{color:#289CFF;text-decoration:none;transition:.2s ease}
a:hover{color:#1E90F0}
img{display:block;max-width:100%;height:auto}
.container{width:min(1200px,calc(100% - 32px));margin:0 auto}
.site-header{position:sticky;top:0;z-index:9999;background:#F5F7FB;backdrop-filter:blur(10px);box-shadow:0 8px 24px rgba(56,92,138,0.10)}
.desktop-header{height:78px;display:flex;align-items:center;gap:22px}
.logo img{width:150px;max-height:54px;object-fit:contain}
.nav{flex:1;display:flex;align-items:center;gap:6px;overflow-x:auto;white-space:nowrap;scrollbar-width:none}
.nav::-webkit-scrollbar{display:none}
.nav a{position:relative;color:#4E5F7A;font-size:14px;font-weight:700;padding:26px 7px 22px}
.nav a.active,.nav a:hover{color:#289CFF}
.nav a.active:after{content:"";position:absolute;left:12px;right:12px;bottom:13px;height:3px;border-radius:99px;background:#289CFF;box-shadow:0 0 14px rgba(40,156,255,.35)}
.main-btn{display:inline-flex;align-items:center;justify-content:center;min-height:42px;padding:0 22px;border-radius:999px;background:linear-gradient(180deg,#32D1F6 0%,#27B9F4 35%,#249BFF 100%);color:#FFFFFF!important;font-weight:800;box-shadow:0 10px 24px rgba(36,155,255,0.25);border:0;white-space:nowrap}
.main-btn:hover{background:linear-gradient(180deg,#48D9F7 0%,#1E90F0 100%);transform:translateY(-1px)}
.header-btn{min-width:78px}
.mobile-topbar{display:none;height:64px;align-items:center;justify-content:space-between;padding:0 14px}
.mobile-logo{position:absolute;left:50%;transform:translateX(-50%)}
.mobile-logo img{width:132px;max-height:46px;object-fit:contain}
.menu-toggle{width:42px;height:42px;border:0;background:transparent;display:flex;flex-direction:column;justify-content:center;gap:6px;padding:0;cursor:pointer}
.menu-toggle span{display:block;width:24px;height:2px;background:#4E5F7A;border-radius:99px}
.drawer-mask{position:fixed;inset:0;background:rgba(0,0,0,.36);z-index:10000;opacity:0;visibility:hidden;transition:.25s ease}
.drawer-mask.show{opacity:1;visibility:visible}
.mobile-drawer{position:fixed;left:0;top:0;width:84vw;max-width:320px;height:100vh;background:#FFFFFF;z-index:10001;transform:translateX(-105%);transition:transform .28s ease;box-shadow:18px 0 42px rgba(36,52,71,.18);overflow-y:auto}
.mobile-drawer.open{transform:translateX(0)}
.drawer-open{overflow:hidden}
.drawer-head{height:72px;display:flex;align-items:center;justify-content:space-between;padding:0 18px;background:#F5F7FB;border-bottom:1px solid rgba(40,156,255,.12)}
.drawer-logo img{width:138px;max-height:50px;object-fit:contain}
.drawer-close{width:42px;height:42px;border:0;background:#EEF2F7;border-radius:50%;font-size:30px;line-height:1;color:#4E5F7A;cursor:pointer}
.drawer-nav{display:grid;gap:8px;padding:18px}
.drawer-nav a{color:#4E5F7A;font-weight:800;padding:13px 14px;border-radius:14px;background:#F5F7FB;border:1px solid rgba(40,156,255,.10)}
.drawer-nav a.active{color:#289CFF;background:#EEF7FF;border-color:rgba(40,156,255,.26)}
.site-main{min-height:60vh}
.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:16/5;min-height:260px}
.slide{position:absolute;inset:0;opacity:0;visibility:hidden;transition:opacity .45s ease,visibility .45s ease;background:#FFFFFF}
.slide.active{opacity:1;visibility:visible}
.banner-slider img{width:100%;height:100%;object-fit:contain;background:#FFFFFF}
.slider-arrow{position:absolute;top:50%;transform:translateY(-50%);width:46px;height:46px;border:0;border-radius:50%;background:rgba(255,255,255,.86);color:#289CFF;font-size:34px;line-height:1;box-shadow:0 10px 28px rgba(36,52,71,.14);cursor:pointer;display:flex;align-items:center;justify-content:center}
.slider-arrow:hover{background:#FFFFFF;transform:translateY(-50%) scale(1.04)}
.slider-arrow.prev{left:18px}.slider-arrow.next{right:18px}
.slider-dots{position:absolute;left:0;right:0;bottom:16px;display:flex;align-items:center;justify-content:center;gap:10px}
.slider-dots button{width:10px;height:10px;border:0;border-radius:50%;background:rgba(78,95,122,.35);cursor:pointer;padding:0}
.slider-dots button.active{width:28px;border-radius:99px;background:#289CFF}
.banner-caption,.banner-text,.slide-title,.slide-desc,.slide-content,.slide-card,.banner-card{display:none!important}
.hero{padding:42px 0 28px}
.hero-card{display:grid;grid-template-columns:1.05fr .95fr;gap:30px;align-items:center;background:rgba(255,255,255,.92);border:1px solid rgba(40,156,255,0.16);box-shadow:0 14px 36px rgba(56,92,138,0.10);border-radius:28px;padding:34px}
.hero h1{font-size:clamp(30px,4.5vw,52px);line-height:1.16;margin:0 0 18px;color:#289CFF;letter-spacing:-.02em}
.hero p{margin:0 0 16px;color:#243447;font-size:17px}
.hero .sub{color:#66788A;font-weight:700}
.hero-actions{display:flex;align-items:center;gap:16px;margin-top:24px;flex-wrap:wrap}
.text-link{font-weight:800;color:#289CFF}
.content-img{width:100%;border-radius:24px;background:#FFFFFF;box-shadow:0 14px 36px rgba(56,92,138,0.10);object-fit:contain;max-height:430px}
.section{padding:34px 0}
.section-head{max-width:820px;margin:0 auto 24px;text-align:center}
h1,h2,h3,.section-title{color:#289CFF}
.section-title{font-size:clamp(26px,3vw,38px);line-height:1.2;margin:0 0 12px}
.section-desc{color:#66788A;margin:0;font-size:16px}
.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{background:rgba(255,255,255,0.92);border:1px solid rgba(40,156,255,0.16);box-shadow:0 14px 36px rgba(56,92,138,0.10);border-radius:22px;padding:24px}
.card h3,.zone-card h3,.info-card h3,.review-card h3{margin:0 0 10px;font-size:21px;color:#289CFF}
.card p,.zone-card p,.info-card p,.review-card p{margin:0 0 12px;color:#243447}
.muted{color:#66788A!important}.small{color:#8A9AAF;font-size:14px}.tag{display:inline-flex;margin-bottom:12px;padding:5px 12px;border-radius:999px;background:#EEF7FF;color:#289CFF;font-weight:800;font-size:13px}.num{color:#289CFF;font-weight:900;margin-right:8px}
.zone-card img,.app-section img{width:100%;border-radius:18px;margin-bottom:16px;object-fit:contain;background:#FFFFFF;max-height:260px}
.split{display:grid;grid-template-columns:1fr 1fr;gap:24px;align-items:center}
.panel{background:#EEF2F7;border:1px solid rgba(40,156,255,.14);border-radius:28px;padding:28px;box-shadow:0 14px 36px rgba(56,92,138,0.08)}
.check-list{display:grid;gap:12px;margin:0;padding:0;list-style:none}.check-list li{background:#FFFFFF;border:1px solid rgba(40,156,255,.12);border-radius:16px;padding:14px 16px;color:#243447}.check-list li strong{color:#289CFF}
.steps{counter-reset:step;display:grid;gap:14px}.step{counter-increment:step;background:#FFFFFF;border:1px solid rgba(40,156,255,.14);border-radius:18px;padding:18px}.step:before{content:counter(step,decimal-leading-zero);display:inline-flex;margin-bottom:8px;color:#289CFF;font-size:24px;font-weight:900}
.faq-list{display:grid;gap:16px}.faq-item{background:rgba(255,255,255,.92);border:1px solid rgba(40,156,255,.16);border-radius:20px;padding:22px;box-shadow:0 12px 30px rgba(56,92,138,.08)}.faq-item h3{margin:0 0 8px;color:#289CFF}.faq-item p{margin:0;color:#243447}
.notice{background:#DDE4EE;border-left:5px solid #289CFF;border-radius:20px;padding:22px;color:#243447}.notice strong{color:#289CFF}
.site-footer{background:#243447;color:#EAF3FF;margin-top:44px;padding:46px 0 0}.footer-grid{display:grid;grid-template-columns:1.4fr .8fr .8fr 1.1fr;gap:28px}.footer-brand img{width:150px;max-height:54px;object-fit:contain;margin-bottom:14px}.site-footer p{color:#EAF3FF;margin:0}.site-footer h3{color:#EAF3FF;margin:0 0 12px}.footer-links{display:grid;align-content:start;gap:8px}.footer-links a{color:#EAF3FF;opacity:.92}.footer-links a:hover{opacity:1;color:#FFFFFF}.footer-bottom{text-align:center;border-top:1px solid rgba(234,243,255,.15);padding:16px;margin-top:30px;color:#EAF3FF;font-size:14px}
@media (max-width: 1080px){.desktop-header{display:none}.mobile-topbar{display:flex}.grid-4{grid-template-columns:repeat(2,minmax(0,1fr))}.hero-card,.split{grid-template-columns:1fr}.banner-slider{width:calc(100% - 24px);margin-top:18px;min-height:190px;aspect-ratio:16/7}.footer-grid{grid-template-columns:1fr 1fr}}
@media (max-width: 720px){.container{width:min(100% - 24px,1200px)}.hero{padding:24px 0 12px}.hero-card{padding:24px;border-radius:22px}.grid-2,.grid-3,.grid-4{grid-template-columns:1fr}.section{padding:24px 0}.card,.zone-card,.info-card,.review-card,.panel{padding:20px}.banner-slider{min-height:150px;border-radius:16px}.slider-arrow{width:38px;height:38px;font-size:28px}.slider-arrow.prev{left:10px}.slider-arrow.next{right:10px}.footer-grid{grid-template-columns:1fr}.mobile-topbar .main-btn{min-width:70px;padding:0 16px}.content-img{max-height:300px}}