*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:#E6EBF2;color:#243447;font-family:"Microsoft YaHei","PingFang SC",Arial,sans-serif;line-height:1.75}a{text-decoration:none;color:#289CFF}img{max-width:100%;height:auto}.wrap{max-width:1200px;margin:0 auto;padding:0 22px}.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}.brand-logo img{width:156px;display:block}.nav{display:flex;align-items:center;gap:16px;flex:1;justify-content:center;white-space:nowrap}.nav a{color:#4E5F7A;font-size:14px;font-weight:700;padding:25px 0 21px;border-bottom:3px solid transparent}.nav a.active,.nav a:hover{color:#289CFF;border-bottom-color:#289CFF}.main-btn{display:inline-flex;align-items:center;justify-content:center;background:linear-gradient(180deg,#32D1F6 0%,#27B9F4 35%,#249BFF 100%);color:#FFFFFF;border-radius:999px;box-shadow:0 10px 24px rgba(36,155,255,0.25);font-weight:800;padding:11px 24px;border:0;transition:.2s}.main-btn:hover{background:linear-gradient(180deg,#48D9F7 0%,#1E90F0 100%);transform:translateY(-1px);color:#fff}.header-btn{flex:0 0 auto}.mobile-header{display:none;height:68px;align-items:center;justify-content:space-between;padding:0 16px;background:#F5F7FB}.menu-toggle{width:44px;height:44px;border:0;background:transparent;display:flex;flex-direction:column;gap:5px;justify-content:center}.menu-toggle span{width:24px;height:3px;background:#4E5F7A;border-radius:99px}.mobile-logo{position:absolute;left:50%;transform:translateX(-50%)}.mobile-logo img{width:136px;display:block}.mobile-register{padding:8px 18px;font-size:14px}.drawer-mask{position:fixed;inset:0;background:rgba(0,0,0,.42);opacity:0;visibility:hidden;transition:.25s;z-index:10000}.mobile-drawer{position:fixed;top:0;left:0;width:84vw;max-width:320px;height:100vh;background:#FFFFFF;transform:translateX(-105%);transition:.28s ease;z-index:10001;box-shadow:14px 0 30px rgba(36,52,71,.18);overflow-y:auto}.drawer-open{overflow:hidden}.drawer-open .drawer-mask{opacity:1;visibility:visible}.drawer-open .mobile-drawer{transform:translateX(0)}.drawer-top{height:76px;display:flex;align-items:center;justify-content:space-between;padding:0 18px;border-bottom:1px solid rgba(40,156,255,.12)}.drawer-top img{width:142px}.drawer-close{font-size:32px;color:#4E5F7A;border:0;background:transparent}.drawer-nav{display:flex;flex-direction:column;padding:12px}.drawer-nav a{padding:13px 12px;border-radius:14px;color:#4E5F7A;font-weight:800}.drawer-nav a.active,.drawer-nav a:hover{background:#EEF2F7;color:#289CFF}.page-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}.slide{display:none;position:relative}.slide.active{display:block}.banner-slider img{width:100%;height:auto;display:block;object-fit:contain;background:#FFFFFF}.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;line-height:1;box-shadow:0 8px 22px rgba(56,92,138,.18);cursor:pointer}.slider-arrow.prev{left:16px}.slider-arrow.next{right:16px}.slider-dots{position:absolute;left:0;right:0;bottom:14px;display:flex;gap:9px;justify-content:center}.dot{width:10px;height:10px;border-radius:50%;border:0;background:rgba(255,255,255,.68);box-shadow:0 2px 8px rgba(0,0,0,.16);cursor:pointer}.dot.active{background:#289CFF}.banner-caption,.banner-text,.slide-title,.slide-desc,.slide-content,.slide-card,.banner-card{display:none!important}.section{padding:36px 0}.hero-card,.card,.zone-card,.info-card,.review-card,.faq-item,.notice-box{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}.hero-card{padding:34px;display:grid;grid-template-columns:1.15fr .85fr;gap:28px;align-items:center}.hero-card p,.section-lead{color:#66788A}.section-head{margin-bottom:22px}.eyebrow{display:inline-flex;color:#289CFF;background:#EEF2F7;border-radius:999px;padding:5px 13px;font-weight:800;font-size:13px}h1,h2,h3,.section-title{color:#289CFF;line-height:1.25}h1{font-size:42px;margin:12px 0 16px}h2{font-size:30px;margin:0 0 12px}h3{font-size:20px;margin:0 0 10px}p{margin:0 0 12px}.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)}.card,.info-card,.review-card,.faq-item{padding:24px}.card .num{display:inline-flex;width:34px;height:34px;align-items:center;justify-content:center;border-radius:12px;background:#EEF2F7;color:#289CFF;font-weight:900;margin-bottom:12px}.card p,.zone-card p,.info-card p,.faq-item p,.review-card p{color:#66788A}.text-link{display:inline-flex;margin-top:10px;font-weight:900;color:#289CFF}.zone-card{display:flex;flex-direction:column;height:100%;padding:18px}.zone-card img{width:100%;height:260px;display:block;border-radius:18px;object-fit:contain;object-position:center;background:#FFFFFF;margin-bottom:18px}.zone-card a{margin-top:auto;font-weight:800}.content-img,.app-section img,.banner-slider img{max-width:100%;height:auto}.feature-list{display:grid;grid-template-columns:repeat(2,1fr);gap:12px;margin-top:16px}.feature-list span{background:#EEF2F7;border-radius:14px;padding:12px;color:#243447;font-weight:700}.page-hero{padding:42px 0 12px}.page-hero .hero-card{grid-template-columns:1fr}.page-hero p{font-size:17px}.split{display:grid;grid-template-columns:1fr 1fr;gap:22px;align-items:center}.content-img{border-radius:22px;background:#fff;box-shadow:0 14px 36px rgba(56,92,138,0.10);object-fit:contain}.notice-box{padding:24px;background:#DDE4EE;color:#243447}.footer-reminder{margin-top:22px}.site-footer{background:#243447;color:#EAF3FF;margin-top:54px;padding:42px 0 18px}.site-footer a{display:block;color:#EAF3FF;margin:7px 0}.site-footer h3{color:#EAF3FF}.site-footer p{color:#D8E8FA}.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:26px}.footer-brand img{width:160px;background:#F5F7FB;border-radius:12px;padding:6px;margin-bottom:12px}.footer-bottom{border-top:1px solid rgba(234,243,255,.18);margin-top:28px;padding-top:18px;color:#CFE0F6;font-size:14px}@media(max-width:1100px){.desktop-header{display:none}.mobile-header{display:flex}.page-main{padding-top:0}.nav{gap:10px}.grid-4{grid-template-columns:repeat(2,1fr)}.hero-card,.split{grid-template-columns:1fr}}@media(max-width:760px){.wrap{padding:0 16px}.banner-slider{margin:18px 16px 26px;border-radius:16px}.slider-arrow{width:36px;height:36px;font-size:24px}.section{padding:26px 0}h1{font-size:30px}h2{font-size:25px}.grid-2,.grid-3,.grid-4,.feature-list,.footer-grid{grid-template-columns:1fr}.hero-card{padding:24px}.zone-card img{height:220px}.card,.info-card,.review-card,.faq-item{padding:20px}.footer-grid{gap:18px}}