*{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:1.7;overflow-x:hidden}a{text-decoration:none;color:inherit}img{max-width:100%;height:auto}.site-header{position:sticky;top:0;z-index:10001;background:#F5F7FB;box-shadow:0 8px 28px rgba(56,92,138,.11)}.header-inner{max-width:1200px;margin:0 auto;display:flex;align-items:center;justify-content:space-between;gap:24px;min-height:72px;padding:0 18px}.logo{flex:0 0 auto}.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-weight:700;font-size:15px;padding:24px 0;display:block}.nav a:hover,.nav a.active{color:#289CFF}.header-action{flex:0 0 auto;display:flex;align-items:center}.main-btn{display:inline-flex;align-items:center;justify-content:center;border-radius:999px;padding:10px 24px;background:linear-gradient(180deg,#32D1F6 0%,#27B9F4 35%,#249BFF 100%);color:#fff!important;font-weight:800;box-shadow:0 10px 22px rgba(36,155,255,.24)}.dropdown{position:relative}.dropdown-menu{display:none;position:absolute;top:100%;left:0;min-width:180px;background:#fff;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;}.dropdown:hover .dropdown-menu{display:block}.dropdown-menu a{display:block;padding:10px 14px;color:#4E5F7A;white-space:nowrap;border-radius:10px}.dropdown-menu a:hover{color:#289CFF;background:rgba(40,156,255,.08)}.right-menu{right:0;left:auto}.mobile-menu-btn{display:none;border:0;background:#fff;color:#289CFF;font-size:24px;border-radius:12px;width:44px;height:44px}.mobile-drawer{position:fixed;top:0;left:-340px;width:84vw;max-width:320px;height:100vh;background:#fff;z-index:10003;transition:.28s ease;box-shadow:18px 0 36px rgba(36,52,71,.16);padding:16px;overflow-y:auto}.mobile-drawer.open{left:0}.drawer-mask{display:none;position:fixed;inset:0;background:rgba(36,52,71,.32);z-index:10002}.drawer-mask.open{display:block}.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:14px}.drawer-head img{height:46px}.drawer-head button{border:0;background:#EEF2F7;color:#289CFF;font-size:28px;border-radius:12px;width:42px;height:42px}.drawer-nav{display:grid;gap:8px}.drawer-nav a{padding:12px 14px;border-radius:12px;background:#F5F7FB;color:#4E5F7A;font-weight:700}.no-scroll{overflow:hidden}.section,.inner-page{max-width:1200px;margin:0 auto 34px;padding:0 18px}.banner-slider{max-width:1200px;margin:28px auto 36px;border-radius:20px;background:#fff;box-shadow:0 18px 40px rgba(56,92,138,.12);overflow:hidden;position:relative}.slides{position:relative;height:430px;background:#fff}.slide{position:absolute;inset:0;opacity:0;transition:opacity .5s ease;display:flex;align-items:center;justify-content:center;background:#fff}.slide.active{opacity:1;z-index:1}.banner-slider img{width:100%;height:100%;object-fit:contain;background:#fff}.banner-copy{position:absolute;left:38px;bottom:34px;z-index:3;max-width:430px;background:rgba(255,255,255,.88);border:1px solid rgba(40,156,255,.16);border-radius:18px;padding:18px;box-shadow:0 12px 30px rgba(56,92,138,.14)}.banner-copy h1{font-size:30px;margin:0 0 8px;color:#289CFF}.banner-copy p{margin:0;color:#243447}.slider-btn{position:absolute;top:50%;transform:translateY(-50%);z-index:5;width:42px;height:42px;border:0;border-radius:50%;background:#fff;color:#289CFF;font-size:28px;box-shadow:0 8px 20px rgba(56,92,138,.18);cursor:pointer}.prev{left:16px}.next{right:16px}.dots{position:absolute;left:0;right:0;bottom:12px;z-index:6;text-align:center}.dot{width:10px;height:10px;border-radius:50%;border:0;background:#DDE4EE;margin:0 5px;cursor:pointer}.dot.active{background:#289CFF}.mobile-banner-info{display:none}.hero-welcome,.feature-panel{display:grid;grid-template-columns:1.1fr .9fr;gap:26px;align-items:center}.card,.zone-card,.info-card,.review-card,.faq-item,.hero-welcome,.notice-box,.inner-hero,.contact-box{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:24px}.section-title,h1,h2,h3{color:#289CFF}.section-title{font-size:28px;margin:0 0 18px}.lead{font-size:17px;color:#66788A}.tag-row{display:flex;flex-wrap:wrap;gap:10px;margin:18px 0}.tag,.num{color:#289CFF;background:rgba(40,156,255,.10);border-radius:999px;padding:6px 12px;font-weight:800}.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}.card h3,.zone-card h3,.info-card h3{margin-top:0}.card p,.zone-card p,.info-card p,.review-card p,.faq-item p{color:#66788A}.text-link{color:#289CFF;font-weight:800}.content-img,.zone-card img,.app-section img{max-width:100%;height:auto;border-radius:18px;display:block;background:#fff}.zone-card img{margin-bottom:14px}.notice-box{background:#EEF2F7;color:#243447}.reviews{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.faq-list{display:grid;gap:14px}.inner-hero{margin-top:28px}.inner-hero h1{font-size:34px;margin:0 0 10px}.content-block{margin-top:20px}.site-footer{background:#243447;color:#EAF3FF;margin-top:46px;padding:42px 18px 18px}.footer-grid{max-width:1200px;margin:0 auto;display:grid;grid-template-columns:2fr 1fr 1fr 1.2fr;gap:26px}.footer-brand img{height:52px;background:#fff;border-radius:10px}.site-footer a{display:block;color:#EAF3FF;margin:8px 0}.site-footer p{color:#C9D8EA}.copyright{max-width:1200px;margin:26px auto 0;border-top:1px solid rgba(234,243,255,.18);padding-top:16px;color:#C9D8EA;text-align:center}@media(max-width:1050px){.nav{gap:12px}.nav a{font-size:14px}.grid-4{grid-template-columns:repeat(2,1fr)}}@media(max-width:820px){.header-inner{min-height:66px;gap:10px}.mobile-menu-btn{display:block;flex:0 0 auto}.nav-wrap{display:none}.logo{position:absolute;left:50%;transform:translateX(-50%)}.logo img{max-height:44px}.main-btn{padding:9px 18px}.banner-slider{margin:18px 14px 22px}.slides{height:260px}.banner-copy{display:none}.mobile-banner-info{display:block;padding:18px;background:#fff}.mobile-banner-info h1{margin:0 0 8px;font-size:24px;color:#289CFF}.mobile-banner-info p{margin:0;color:#66788A}.slider-btn{width:36px;height:36px;font-size:24px}.section,.inner-page{padding:0 14px}.hero-welcome,.feature-panel{grid-template-columns:1fr}.grid-4,.grid-3,.grid-2,.reviews,.footer-grid{grid-template-columns:1fr}.card,.zone-card,.info-card,.review-card,.faq-item,.hero-welcome,.notice-box,.inner-hero{padding:20px}.inner-hero h1{font-size:28px}}@media(max-width:460px){.slides{height:210px}.dot{width:9px;height:9px}.section-title{font-size:24px}.mobile-banner-info h1{font-size:21px}.header-action .main-btn{padding:8px 15px}.logo img{max-height:38px}}