*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:#E6EBF2;color:#243447;font-family:"Microsoft YaHei",Arial,sans-serif;line-height:1.75}a{text-decoration:none;color:inherit}img{max-width:100%;height:auto}.site-header{position:fixed;top:0;left:0;right:0;z-index:9999;background:rgba(245,247,251,.92);backdrop-filter:blur(10px);border-bottom:1px solid rgba(40,156,255,.12)}.header-inner{max-width:1200px;margin:auto;min-height:76px;display:flex;align-items:center;justify-content:space-between;gap:24px;padding:0 20px}.logo{flex:0 0 auto}.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,.drawer-nav a{color:#4E5F7A;font-weight:600}.nav-core a.active,.nav-core a:hover,.drawer-nav a.active{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;cursor:pointer;font-weight:700}.main-btn{display:inline-flex;align-items:center;justify-content:center;background:linear-gradient(180deg,#32D1F6 0%,#27B9F4 35%,#249BFF 100%);color:#fff;border-radius:999px;padding:12px 24px;font-weight:700;box-shadow:0 10px 24px rgba(36,155,255,.22)}.main-btn.small{padding:10px 18px}.page-main{padding-top:76px}.container{max-width:1200px;margin:0 auto;padding:0 20px}.section{margin:36px auto}.section-card,.card,.zone-card,.info-card,.review-card,.faq-item,.hero-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:24px;padding:28px}.section-title,h1,h2,h3{color:#289CFF;line-height:1.35}h1{font-size:clamp(30px,4vw,48px);margin:0 0 18px}h2{font-size:clamp(24px,3vw,34px);margin:0 0 16px}h3{margin:0 0 10px}.muted{color:#66788A}.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;aspect-ratio:16/6}.banner-slider .slide{position:absolute;inset:0;opacity:0;transition:opacity .5s}.banner-slider .slide.active{opacity:1;z-index:1}.banner-slider img{width:100%;height:100%;object-fit:contain;background:#fff}.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%);z-index:2;border:0;background:rgba(255,255,255,.82);color:#289CFF;width:42px;height:42px;border-radius:50%;font-size:26px;cursor:pointer}.slider-arrow.prev{left:16px}.slider-arrow.next{right:16px}.slider-dots{position:absolute;left:0;right:0;bottom:14px;z-index:2;display:flex;gap:8px;justify-content:center}.dot{width:10px;height:10px;border-radius:50%;border:0;background:rgba(40,156,255,.28);cursor:pointer}.dot.active{background:#289CFF}.grid{display:grid;gap:20px}.grid-2{grid-template-columns:repeat(2,1fr)}.grid-3{grid-template-columns:repeat(3,1fr)}.grid-4{grid-template-columns:repeat(4,1fr)}.zone-card img,.content-img,.app-section img{max-width:100%;height:auto;border-radius:18px;display:block;background:#fff}.zone-card img{margin-bottom:16px}.tag{display:inline-flex;color:#289CFF;background:#EEF2F7;border:1px solid rgba(40,156,255,.18);border-radius:999px;padding:6px 12px;font-weight:700;font-size:14px}.link-more{color:#289CFF;font-weight:700}.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;padding:24px;opacity:0;visibility:hidden;transition:.22s}.mega-panel.show{opacity:1;visibility:visible;transform:translateX(-50%) translateY(0)}.mega-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:16px}.mega-head button,.drawer-head button{border:0;background:#EEF2F7;color:#289CFF;border-radius:20px;padding:8px 14px;cursor:pointer}.mega-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}.mega-group{background:#F5F7FB;border-radius:18px;padding:18px}.mega-group a{display:block;padding:10px 0;border-top:1px solid rgba(40,156,255,.10)}.mega-group span{display:block;color:#243447;font-weight:700}.mega-group em{font-style:normal;color:#8A9AAF;font-size:13px}.overlay{position:fixed;inset:0;background:rgba(36,52,71,.28);z-index:9998;display:none}.overlay.show{display:block}.mobile-menu-btn{display:none;border:0;background:transparent;gap:5px;flex-direction:column}.mobile-menu-btn span{display:block;width:24px;height:2px;background:#289CFF}.drawer{position:fixed;top:0;left:0;width:min(86vw,320px);height:100vh;background:#fff;z-index:10001;transform:translateX(-105%);transition:.25s;box-shadow:20px 0 50px rgba(36,52,71,.18);padding:18px;overflow:auto}.drawer.show{transform:translateX(0)}.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px}.drawer-head img{max-height:48px}.drawer-nav{display:grid;gap:4px}.drawer-nav a{padding:11px 12px;border-radius:12px}.drawer-nav a:hover{background:#F5F7FB}.site-footer{background:#243447;color:#EAF3FF;margin-top:54px;padding:42px 20px 86px}.footer-inner{max-width:1200px;margin:auto;display:flex;justify-content:space-between;gap:30px}.footer-brand{max-width:620px}.footer-brand img{max-height:54px;margin-bottom:12px}.footer-links{display:grid;gap:10px;min-width:180px}.footer-links a{color:#EAF3FF}.footer-copy{text-align:center;margin-top:26px;color:#b8c9db}.mobile-bottom{display:none}.no-scroll{overflow:hidden}.notice{background:#DDE4EE;border-radius:20px;padding:18px;color:#4E5F7A}.hero-split{display:grid;grid-template-columns:1.1fr .9fr;gap:24px;align-items:center}.list{padding-left:20px}.quick-links{display:flex;flex-wrap:wrap;gap:12px;margin-top:18px}@media(max-width:900px){.nav-core,.all-menu-btn{display:none}.mobile-menu-btn{display:flex}.header-inner{gap:12px;min-height:68px}.page-main{padding-top:68px}.logo img{max-height:44px}.mega-grid,.grid-4,.grid-3,.grid-2,.hero-split{grid-template-columns:1fr}.banner-slider{margin:18px 16px 26px;aspect-ratio:16/8}.footer-inner{display:block}.mobile-bottom{position:fixed;left:0;right:0;bottom:0;display:grid;grid-template-columns:repeat(4,1fr);z-index:9997;background:#fff;border-top:1px solid rgba(40,156,255,.14)}.mobile-bottom a{text-align:center;padding:10px 4px;color:#4E5F7A;font-weight:700}.site-footer{padding-bottom:92px}.section-card,.card,.zone-card,.info-card,.review-card,.faq-item,.hero-card{padding:22px}.container{padding:0 16px}}@media(max-width:520px){.header-action{gap:8px}.main-btn.small{padding:8px 14px}.slider-arrow{width:34px;height:34px;font-size:20px}.section{margin:24px auto}}