*{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:1.72;overflow-x:hidden}a{text-decoration:none;color:inherit}img{max-width:100%;height:auto;display:block}.site-header{position:fixed;top:0;left:0;width:100%;z-index:9999;background:rgba(245,247,251,0.92);backdrop-filter:blur(10px);border-bottom:1px solid rgba(40,156,255,.12)}.header-inner{max-width:1200px;margin:0 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}.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:10px 4px;border-bottom:2px solid transparent}.nav-core a.active,.nav-core a:hover{color:#289CFF;border-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;border-radius:999px;background:linear-gradient(180deg,#32D1F6 0%,#27B9F4 35%,#249BFF 100%);color:#fff;font-weight:800;padding:13px 22px;box-shadow:0 12px 26px rgba(36,155,255,.22)}.main-btn.small{padding:10px 18px}.mobile-menu-btn{display:none;border:0;background:transparent;color:#289CFF;font-size:26px;font-weight:900}.mega-mask,.drawer-mask{display:none;position:fixed;inset:0;background:rgba(36,52,71,.28);z-index:9997}.mega-mask.open,.drawer-mask.open{display:block}.mega-panel{display:none;position:fixed;top:76px;left:50%;transform:translateX(-50%);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}.mega-panel.open{display:block}.mega-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:14px}.mega-head strong{font-size:22px;color:#289CFF}.mega-head button,.drawer-head button{border:0;background:#EEF2F7;border-radius:999px;padding:8px 14px;color:#4E5F7A;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 10px;color:#289CFF}.mega-group a{display:block;padding:10px 0;border-top:1px solid rgba(40,156,255,.1)}.mega-group span{display:block;font-weight:800;color:#243447}.mega-group em{font-style:normal;color:#66788A;font-size:13px}.mobile-drawer{position:fixed;top:0;left:0;width:84%;max-width:320px;height:100vh;z-index:10001;background:#fff;box-shadow:16px 0 48px rgba(36,52,71,.22);transform:translateX(-105%);transition:.25s ease;padding:18px;overflow-y:auto}.mobile-drawer.open{transform:translateX(0)}.drawer-on{overflow:hidden}.drawer-head{display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid rgba(40,156,255,.12);padding-bottom:14px}.drawer-head img{max-height:46px}.drawer-nav{display:grid;gap:6px;margin-top:12px}.drawer-nav a{padding:12px;border-radius:12px;background:#F5F7FB;color:#4E5F7A;font-weight:700}main{padding-top:76px}.container{max-width:1200px;margin:0 auto;padding:0 20px}.section{margin:36px auto}.hero-card,.card,.zone-card,.info-card,.review-card,.faq-item,.notice-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}.hero-card{padding:34px;display:grid;grid-template-columns:1.2fr .8fr;gap:26px;align-items:center}.hero-card p,.lead{color:#66788A}.eyebrow{color:#289CFF;font-weight:900;letter-spacing:.08em}.section-title,h1,h2,h3{color:#289CFF;line-height:1.3}h1{font-size:40px;margin:12px 0 16px}.section-title{font-size:30px;margin:0 0 16px}.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}.card,.info-card,.review-card,.faq-item{padding:22px}.zone-card{overflow:hidden}.zone-card .body{padding:18px}.zone-card img,.content-img,.app-section img{width:100%;height:auto;object-fit:contain;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}.slides{position:relative;aspect-ratio:16/6}.slide{position:absolute;inset:0;opacity:0;transition:opacity .45s ease}.slide.active{opacity:1}.banner-slider img{width:100%;height:100%;object-fit:contain;background:#fff}.slider-btn{position:absolute;top:50%;transform:translateY(-50%);border:0;background:rgba(255,255,255,.82);color:#289CFF;border-radius:999px;width:42px;height:42px;font-size:24px;cursor:pointer;z-index:3}.slider-btn.prev{left:16px}.slider-btn.next{right:16px}.dots{position:absolute;left:0;right:0;bottom:14px;display:flex;justify-content:center;gap:8px;z-index:3}.dot{width:10px;height:10px;border-radius:999px;border:0;background:rgba(40,156,255,.35);cursor:pointer}.dot.active{background:#289CFF}.banner-caption,.banner-text,.slide-title,.slide-desc,.slide-content,.slide-card,.banner-card{display:none!important}.notice-box{padding:22px;background:#EEF2F7;color:#4E5F7A}.list-links{display:flex;gap:12px;flex-wrap:wrap}.list-links a{background:#fff;border:1px solid rgba(40,156,255,.16);color:#289CFF;border-radius:999px;padding:9px 14px;font-weight:800}.site-footer{background:#243447;color:#EAF3FF;margin-top:48px}.footer-inner{max-width:1200px;margin:0 auto;padding:34px 20px}.footer-brand{display:grid;grid-template-columns:150px 1fr;gap:18px;align-items:center}.footer-brand img{max-height:52px}.footer-links{display:flex;gap:18px;flex-wrap:wrap;margin:22px 0}.footer-links a{color:#EAF3FF}.footer-note{color:#cbd8e8}.bottom-tabs{display:none}@media (max-width:900px){.nav-core,.all-menu-btn{display:none}.mobile-menu-btn{display:block}.header-inner{min-height:66px;padding:0 14px;gap:10px}.logo img{max-height:44px}main{padding-top:66px}.hero-card,.grid-2,.grid-3,.grid-4,.mega-grid{grid-template-columns:1fr}.hero-card{padding:24px}.slides{aspect-ratio:16/8}.mega-panel{top:66px}.section-title{font-size:26px}h1{font-size:32px}.bottom-tabs{position:fixed;left:0;right:0;bottom:0;z-index:9996;background:#fff;display:grid;grid-template-columns:repeat(4,1fr);border-top:1px solid rgba(40,156,255,.14)}.bottom-tabs a{text-align:center;padding:10px 2px;color:#4E5F7A;font-weight:800;font-size:13px}.site-footer{padding-bottom:50px}.footer-brand{grid-template-columns:1fr}.header-action{margin-left:auto}.main-btn.small{padding:9px 14px}}@media (max-width:520px){.container{padding:0 14px}.header-action{gap:6px}.main-btn.small{padding:8px 12px}.slider-btn{width:34px;height:34px}.hero-card{border-radius:18px}}