*{box-sizing:border-box}html,body{margin:0;min-height:100%;overflow-x:hidden}body{font-family:Arial,"Microsoft YaHei",sans-serif;background:#E6EBF2;color:#243447;line-height:1.8}a{text-decoration:none}.site-header{position:sticky;top:0;z-index:9999;background:#F5F7FB;box-shadow:0 8px 24px rgba(56,92,138,.12)}.header-inner{max-width:1280px;margin:auto;min-height:72px;padding:0 20px;display:flex;align-items:center;justify-content:space-between;gap:20px}.logo{flex:0 0 auto}.logo img{max-height:50px;width:auto;display:block}.nav-wrap{flex:1;display:flex;justify-content:center;min-width:0}.nav{display:flex;align-items:center;gap:16px;white-space:nowrap;flex-wrap:nowrap}.nav a,.nav button{border:0;background:none;color:#4E5F7A;font:inherit;padding:8px 4px;cursor:pointer}.nav a:hover,.nav button:hover,.nav a.active{color:#289CFF}.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,.14);border-radius:14px;box-shadow:0 18px 38px rgba(56,92,138,.16);padding:8px;z-index:10000}.dropdown:hover .dropdown-menu,.dropdown:focus-within .dropdown-menu{display:block}.dropdown-menu a{display:block;padding:10px 12px;border-radius:9px}.dropdown-menu a:hover{background:rgba(40,156,255,.08)}.main-btn{display:inline-flex;align-items:center;justify-content:center;padding:10px 24px;border-radius:999px;background:linear-gradient(180deg,#32D1F6 0%,#27B9F4 35%,#249BFF 100%);color:#fff;box-shadow:0 10px 22px rgba(36,155,255,.25);white-space:nowrap}.menu-btn{display:none;border:0;background:none;font-size:26px;color:#289CFF}.drawer,.drawer-mask{display:none}main{position:relative;z-index:1}.container{max-width:1200px;margin:auto;padding:0 20px}.section{padding:46px 0}.hero-title,.section-title,h1,h2,h3{color:#289CFF}.intro{font-size:18px;color:#66788A}.grid{display:grid;gap:20px}.g2{grid-template-columns:repeat(2,1fr)}.g3{grid-template-columns:repeat(3,1fr)}.g4{grid-template-columns:repeat(4,1fr)}.card,.zone-card,.info-card,.review-card,.faq-item{background:rgba(255,255,255,.94);border:1px solid rgba(40,156,255,.16);box-shadow:0 14px 36px rgba(56,92,138,.10);border-radius:18px;padding:24px}.content-img{width:100%;height:auto;object-fit:contain;border-radius:16px;background:#fff}.split{display:grid;grid-template-columns:1.1fr .9fr;gap:28px;align-items:center}.text-link{color:#289CFF;font-weight:700}.banner-slider{max-width:1200px;margin:28px auto 16px;border-radius:20px;background:#fff;box-shadow:0 18px 40px rgba(56,92,138,.12);overflow:hidden;position:relative}.slide{display:none}.slide.active{display:block}.slide img{display:block;width:100%;height:auto;object-fit:contain;background:#fff}.slider-btn{position:absolute;top:50%;transform:translateY(-50%);border:0;width:42px;height:42px;border-radius:50%;background:rgba(36,52,71,.55);color:white;font-size:22px;cursor:pointer}.prev{left:14px}.next{right:14px}.dots{position:absolute;left:0;right:0;bottom:12px;display:flex;justify-content:center;gap:8px}.dot{width:9px;height:9px;border-radius:50%;border:0;background:#d5e2ef}.dot.active{background:#289CFF}.mobile-banner-copy{display:none}.notice{background:#EEF7FF;border-left:4px solid #289CFF;padding:16px 18px;border-radius:12px}.steps{counter-reset:s}.step{position:relative;padding-left:56px}.step:before{counter-increment:s;content:counter(s);position:absolute;left:0;top:0;width:38px;height:38px;border-radius:50%;display:grid;place-items:center;background:#289CFF;color:white;font-weight:bold}footer{background:#243447;color:#EAF3FF;margin-top:44px}.footer-inner{max-width:1200px;margin:auto;padding:42px 20px;display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:28px}.footer-brand img{max-height:48px}.footer-inner a{display:block;color:#EAF3FF;margin:7px 0}.footer-inner h3{color:#fff}.no-scroll{overflow:hidden}@media(max-width:1050px){.nav-wrap{display:none}.menu-btn{display:block}.header-inner{display:grid;grid-template-columns:1fr auto 1fr}.menu-btn{justify-self:start}.logo{justify-self:center}.header-action{justify-self:end}.drawer-mask{display:block;position:fixed;inset:0;background:rgba(20,36,52,.42);opacity:0;pointer-events:none;z-index:10001;transition:.25s}.drawer-mask.show{opacity:1;pointer-events:auto}.drawer{display:block;position:fixed;left:0;top:0;bottom:0;width:84%;max-width:320px;background:#fff;z-index:10002;transform:translateX(-105%);transition:.25s;overflow:auto}.drawer.open{transform:translateX(0)}.drawer-top{display:flex;align-items:center;justify-content:space-between;padding:18px;border-bottom:1px solid #e6edf4}.drawer-top img{max-height:42px}.drawer-close{border:0;background:none;font-size:30px}.drawer nav{padding:12px}.drawer nav a{display:block;padding:12px;color:#4E5F7A;border-bottom:1px solid #eef2f7}.g4{grid-template-columns:repeat(2,1fr)}}@media(max-width:720px){.section{padding:32px 0}.split,.g2,.g3,.g4,.footer-inner{grid-template-columns:1fr}.header-inner{padding:0 12px;gap:8px;min-height:64px}.logo img{max-height:40px}.main-btn{padding:8px 16px}.banner-slider{margin:14px 12px 10px;border-radius:14px}.slider-btn{width:34px;height:34px}.mobile-banner-copy{display:block;margin:0 12px 20px;padding:18px;background:#fff;border-radius:14px;box-shadow:0 10px 24px rgba(56,92,138,.1)}.desktop-banner-copy{display:none}.step{padding-left:50px}.card,.zone-card,.info-card,.review-card,.faq-item{padding:20px}}