:root{
  --bg:#F5F8FC;--nav:#0A182A;--title:#102033;--brand:#3B82F6;--deep:#172B4D;--ice:#38BDF8;--cyan:#22D3C5;--violet:#6366F1;--text:#263748;--muted:#657789;--line:rgba(59,130,246,.14);--shadow:0 20px 50px rgba(29,78,119,.10);--radius:26px;--max:1240px
}
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@media(max-width:720px){.header-inner{min-height:64px;padding:0 12px}.mobile-menu{display:flex}.desktop-menu{display:none}.site-logo strong{display:none}.site-logo img{max-height:36px}.header-cta{min-height:38px;padding:0 14px;font-size:14px}.container{width:min(100% - 28px,var(--max))}.section{padding:62px 0}.section-sm{padding:42px 0}.hero-inner{min-height:auto;padding:46px 0 58px;gap:30px}.hero-copy h1{font-size:52px}.hero-subtitle{font-size:22px}.hero-copy p{font-size:15px}.floating-shot{right:0;width:34%;bottom:-4%}.media-strip .container{grid-template-columns:1fr 1fr;width:100%}.strip-item{padding:18px 14px;border-bottom:1px solid rgba(255,255,255,.08)}.channel-pill{border-radius:18px;align-items:flex-start;flex-direction:column;gap:2px;width:calc(50% - 6px)}.section-head{align-items:flex-start;flex-direction:column;gap:12px}.duo,.security-grid,.notice-band{grid-template-columns:1fr}.mini-points{grid-template-columns:1fr}.trio{grid-template-columns:1fr}.trio .app-card{grid-column:auto}.reviews{grid-template-columns:1fr}.review-card:nth-child(even){transform:none}.topic-grid,.steps,.support-flow{grid-template-columns:1fr}.inner-hero{padding:54px 0 40px}.inner-hero h1{font-size:42px}.inner-hero img{max-height:360px}.notice-grid{grid-template-columns:1fr}.footer-grid{grid-template-columns:1fr 1fr;gap:28px}.footer-brand{grid-column:1/-1}.footer-grid>div:last-child{grid-column:auto}.footer-bottom{flex-direction:column;padding-bottom:72px}.mobile-bottom-nav{display:grid;position:fixed;z-index:9000;bottom:0;left:0;right:0;grid-template-columns:repeat(4,1fr);background:rgba(10,24,42,.96);backdrop-filter:blur(16px);padding:8px 8px max(8px,env(safe-area-inset-bottom));border-top:1px solid rgba(255,255,255,.09)}.mobile-bottom-nav a{color:#BFD2E3;text-align:center;font-size:12px;padding:5px}.mobile-bottom-nav span{display:block;font-size:17px;line-height:1.1}.mobile-bottom-nav a.active{color:#7DD3FC}.site-footer{padding-bottom:0}.drawer-links{grid-template-columns:1fr}.site-drawer{padding:18px}}