:root{--bg:#E6EBF2;--panel:#fff;--soft:#EEF2F7;--nav:#F5F7FB;--title:#289CFF;--text:#243447;--muted:#66788A;--hint:#8A9AAF;--line:rgba(40,156,255,.16);--shadow:0 14px 36px rgba(56,92,138,.12);--grad:linear-gradient(180deg,#32D1F6 0%,#27B9F4 35%,#249BFF 100%)}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",Arial,sans-serif;line-height:1.75;overflow-x:hidden}a{color:inherit;text-decoration:none}img{max-width:100%;height:auto;display:block}.container{width:min(1200px,calc(100% - 32px));margin:auto}.site-header{position:sticky;top:0;z-index:20000;background:rgba(245,247,251,.96);backdrop-filter:blur(14px);border-bottom:1px solid rgba(40,156,255,.1)}.header-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;min-height:72px}.logo{flex:0 0 auto}.logo img{max-height:48px;width:auto}.nav-wrap{flex:1 1 auto;min-width:0;display:flex;justify-content:center}.nav{display:flex;align-items:center;gap:20px;white-space:nowrap;flex-wrap:nowrap}.nav>a,.nav-trigger{position:relative;padding:24px 0 20px;border:0;background:none;color:#4E5F7A;font:inherit;cursor:pointer}.nav>a:after,.nav-trigger:after{content:"";position:absolute;left:0;right:0;bottom:14px;height:2px;background:var(--title);transform:scaleX(0);transition:.2s}.nav>a:hover,.nav>a.active,.nav-trigger:hover,.nav-trigger.active{color:var(--title)}.nav>a:hover:after,.nav>a.active:after,.nav-trigger:hover:after,.nav-trigger.active:after{transform:scaleX(1)}.header-action{flex:0 0 auto}.main-btn{display:inline-flex;align-items:center;justify-content:center;min-height:46px;padding:0 24px;border-radius:999px;background:var(--grad);color:#fff;font-weight:700;box-shadow:0 10px 24px rgba(36,155,255,.24);transition:.2s}.main-btn:hover{transform:translateY(-2px)}.main-btn.compact{min-width:84px}.dropdown,.more-dropdown{position:relative}.dropdown-menu,.more-menu{position:absolute;top:calc(100% - 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@media(max-width:860px){.nav-wrap{display:none}.mobile-menu-btn{display:block}.header-inner{display:grid;grid-template-columns:84px 1fr 84px;gap:8px}.mobile-menu-btn{justify-self:start}.logo{justify-self:center}.header-action{justify-self:end}.logo img{max-height:40px}.mobile-drawer{display:block;position:fixed;top:0;bottom:0;left:0;width:min(84vw,320px);background:#fff;z-index:40000;transform:translateX(-105%);transition:.28s;overflow:auto}.mobile-drawer.open{transform:none}.drawer-overlay{display:block;position:fixed;inset:0;background:rgba(36,52,71,.42);z-index:39000;opacity:0;visibility:hidden;transition:.25s}.drawer-overlay.show{opacity:1;visibility:visible}.drawer-head{display:flex;align-items:center;justify-content:space-between;padding:18px;border-bottom:1px solid var(--line)}.drawer-logo img{max-height:42px}.drawer-close{border:0;background:#EEF2F7;width:38px;height:38px;border-radius:50%;font-size:1.6rem}.drawer-nav{padding:12px}.drawer-nav a{display:block;padding:12px 14px;border-radius:10px;color:#4E5F7A}.drawer-nav a:hover{background:rgba(40,156,255,.08);color:var(--title)}body.drawer-open{overflow:hidden}.split{grid-template-columns:1fr}.grid-3{grid-template-columns:1fr 1fr}.slider-copy{display:none}.mobile-slider-copy{display:block;margin:0 auto 26px;padding:22px;background:#fff;border:1px solid var(--line);border-radius:18px;box-shadow:var(--shadow)}.slides{aspect-ratio:16/9}.slider-arrow{width:38px;height:38px}.footer-grid{grid-template-columns:1fr 1fr}}
@media(max-width:600px){.container{width:min(100% - 22px,1200px)}.header-inner{grid-template-columns:72px 1fr 72px;min-height:66px}.main-btn.compact{min-width:68px;min-height:40px;padding:0 14px}.section{padding:26px 0}.page-hero{padding-top:32px}.page-hero .content-box{padding:24px}.grid-2,.grid-3,.grid-4{grid-template-columns:1fr}.card,.info-card,.review-card{padding:20px}.banner-slider{margin-top:16px;border-radius:16px}.slides{aspect-ratio:16/10}.slider-arrow{top:50%;width:34px;height:34px}.slider-arrow.prev{left:8px}.slider-arrow.next{right:8px}.slider-dots{bottom:8px}.step-card{padding:62px 20px 20px}.step-card:before{left:20px;top:18px}.footer-grid{grid-template-columns:1fr}.section-head{text-align:left}.footer-bottom{padding-left:14px;padding-right:14px}}