*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:#F5F8FC;color:#263748;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",Arial,sans-serif;line-height:1.75;overflow-x:hidden}a{color:inherit}.container{width:min(1180px,calc(100% - 40px));margin:0 auto}.site-header{position:sticky;top:0;width:100%;z-index:9999;background:rgba(10,24,42,.94);backdrop-filter:blur(16px);box-shadow:0 8px 28px rgba(10,35,60,.12);border-bottom:1px solid rgba(255,255,255,.08)}.header-inner{max-width:1280px;margin:0 auto;min-height:72px;padding:0 22px;display:flex;align-items:center;gap:24px;justify-content:space-between}.site-logo{display:flex;align-items:center;flex:none}.site-logo img{max-height:44px;max-width:150px;display:block}.nav-core{display:flex;align-items:center;gap:8px;margin-left:auto}.nav-core a{color:#DCEAF7;text-decoration:none;border-radius:999px;padding:8px 12px;font-size:15px;white-space:nowrap}.nav-core a:hover,.nav-core a:focus-visible,.nav-core a.active{color:#fff;background:rgba(56,189,248,.14);outline:none}.header-actions{display:flex;align-items:center;gap:10px}.main-btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;background:linear-gradient(135deg,#2563EB 0%,#3B82F6 48%,#22D3C5 100%);color:#fff;border-radius:999px;box-shadow:0 14px 32px rgba(37,99,235,.20);padding:12px 22px;text-decoration:none;font-weight:700;border:0}.main-btn:hover{transform:translateY(-1px);box-shadow:0 18px 38px rgba(37,99,235,.25)}.main-btn:focus-visible,.text-link:focus-visible{outline:3px solid rgba(56,189,248,.35);outline-offset:3px}.menu-toggle{width:42px;height:42px;border:1px solid rgba(255,255,255,.12);background:rgba(255,255,255,.06);border-radius:13px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:4px;cursor:pointer}.menu-toggle span{display:block;width:19px;height:2px;border-radius:10px;background:#EAF4FF}.menu-toggle-mobile{display:none}.drawer-overlay{position:fixed;inset:0;background:rgba(5,14,24,.5);opacity:0;visibility:hidden;transition:.25s;z-index:10000}.site-drawer{position:fixed;right:0;top:0;width:min(390px,90vw);height:100dvh;z-index:10001;background:#10263A;color:#EAF4FF;transform:translateX(105%);transition:.28s ease;box-shadow:-24px 0 60px rgba(0,0,0,.25);overflow-y:auto;padding:18px}.drawer-open{overflow:hidden}.drawer-open .site-drawer{transform:none}.drawer-open .drawer-overlay{opacity:1;visibility:visible}.drawer-head{display:flex;align-items:center;justify-content:space-between;padding:8px 4px 18px;font-size:22px}.drawer-close{width:42px;height:42px;border-radius:12px;border:1px solid rgba(255,255,255,.15);background:rgba(255,255,255,.06);color:#fff;font-size:28px;line-height:1;cursor:pointer}.drawer-nav{display:grid;grid-template-columns:1fr 1fr;gap:8px}.drawer-nav a{display:flex;justify-content:space-between;gap:14px;padding:12px 13px;border-radius:14px;text-decoration:none;background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.06);font-size:14px}.drawer-nav a:hover{background:rgba(56,189,248,.12)}.drawer-note{margin-top:18px;padding:16px;border-radius:16px;background:rgba(56,189,248,.08);color:#BBD1E6;font-size:13px}.hero{position:relative;overflow:hidden;padding:82px 0 68px;background:radial-gradient(circle at 80% 10%,rgba(56,189,248,.24),transparent 28%),radial-gradient(circle at 10% 60%,rgba(34,211,197,.14),transparent 26%),linear-gradient(135deg,#F8FBFF 0%,#EAF6FF 50%,#F0FFFD 100%)}.hero:before{content:"";position:absolute;inset:0;background-image:linear-gradient(rgba(37,99,235,.045) 1px,transparent 1px),linear-gradient(90deg,rgba(37,99,235,.045) 1px,transparent 1px);background-size:32px 32px;mask-image:linear-gradient(to bottom,rgba(0,0,0,.55),transparent 82%)}.hero-grid{position:relative;display:grid;grid-template-columns:1.02fr .98fr;gap:54px;align-items:center}.eyebrow,.section-kicker{display:inline-flex;align-items:center;gap:8px;color:#0284C7;font-weight:800;letter-spacing:.12em;font-size:12px;text-transform:uppercase}.hero h1{font-size:clamp(54px,7vw,88px);line-height:1;margin:14px 0 18px;color:#102033;letter-spacing:-.04em}.hero-sub{font-size:clamp(23px,3vw,36px);line-height:1.35;color:#172B4D;font-weight:800;margin:0 0 18px}.hero-copy{font-size:17px;color:#536B80;max-width:690px}.hero-actions{display:flex;align-items:center;gap:18px;flex-wrap:wrap;margin-top:28px}.text-link{color:#2563EB;text-decoration:none;font-weight:700}.text-link:hover{text-decoration:underline}.hero-points{display:flex;flex-wrap:wrap;gap:10px;margin-top:24px}.hero-points span,.pill{padding:8px 13px;border-radius:999px;background:rgba(255,255,255,.78);border:1px solid rgba(59,130,246,.14);color:#35536B;font-size:13px}.hero-visual{position:relative}.hero-visual img{max-width:100%;height:auto;object-fit:contain;display:block;border-radius:28px;box-shadow:0 28px 70px rgba(29,78,119,.18);border:1px solid rgba(255,255,255,.86)}.floating-mini{position:absolute;left:-28px;bottom:24px;width:40%;background:rgba(255,255,255,.78);backdrop-filter:blur(18px);border:1px solid rgba(255,255,255,.8);border-radius:22px;padding:10px;box-shadow:0 20px 50px rgba(29,78,119,.14)}.floating-mini img{border-radius:16px;box-shadow:none}.highlight-strip{background:#fff;border-bottom:1px solid rgba(59,130,246,.10)}.highlight-grid{display:grid;grid-template-columns:repeat(4,1fr)}.highlight-item{padding:26px 24px;border-right:1px solid rgba(59,130,246,.10)}.highlight-item:last-child{border-right:0}.num{display:block;color:#38BDF8;font-weight:900;font-size:12px;letter-spacing:.14em}.highlight-item h3{margin:4px 0 6px;color:#102033;font-size:17px}.highlight-item p{margin:0;color:#657789;font-size:14px;line-height:1.65}.section{padding:78px 0}.section-soft{background:linear-gradient(180deg,#F5FAFF,#EEF8FF)}.section-aqua{background:linear-gradient(135deg,#EEFAFF,#EDFFFB)}.section-dark{background:#12253A;color:#DDEBFA}.section-head{display:flex;align-items:end;justify-content:space-between;gap:24px;margin-bottom:30px}.section-head h2{margin:8px 0 0;color:#102033;font-size:clamp(30px,4vw,46px);line-height:1.2;letter-spacing:-.02em}.section-dark .section-head h2{color:#fff}.section-head p{max-width:560px;color:#657789;margin:0}.section-dark .section-head p{color:#B6CADC}.capsule-grid{display:flex;flex-wrap:wrap;gap:12px}.channel-pill{display:block;max-width:340px;padding:14px 16px;border-radius:18px;background:rgba(255,255,255,.82);border:1px solid rgba(59,130,246,.12);text-decoration:none;box-shadow:0 8px 24px rgba(29,78,119,.05)}.channel-pill strong{display:block;color:#102033}.channel-pill small{display:block;color:#657789;margin-top:3px}.editorial-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:48px;align-items:center}.editorial-grid.reverse{grid-template-columns:.9fr 1.1fr}.editorial-grid.reverse .media{order:2}.media{position:relative}.content-img,.zone-card img,.app-section img,.hero-visual img,.page-hero img,.story-media img{max-width:100%;height:auto;object-fit:contain}.content-img{display:block;border-radius:26px;box-shadow:0 22px 54px rgba(29,78,119,.13)}.copy h2,.copy h3{color:#102033;margin-top:0}.copy h2{font-size:clamp(30px,4vw,44px);line-height:1.25}.copy p{color:#526B80}.mini-list{display:grid;gap:12px;margin:22px 0}.mini-list div{padding:12px 14px;border-left:3px solid #38BDF8;background:rgba(255,255,255,.62);border-radius:0 14px 14px 0}.split-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px}.zone-card,.info-card,.review-card,.card{background:rgba(255,255,255,.90);border:1px solid rgba(59,130,246,.14);box-shadow:0 20px 50px rgba(29,78,119,.10);border-radius:22px}.zone-card{padding:28px;overflow:hidden}.zone-card.alt{background:linear-gradient(145deg,#ECFAFF,#EFFFFB)}.zone-card.deep{background:#12253A;color:#D8E9F8}.zone-card.deep h3{color:#fff}.zone-card img{width:100%;border-radius:20px;margin-bottom:18px}.zone-card h3{font-size:28px;color:#102033;margin:8px 0}.zone-card p{color:#5D7285}.zone-card.deep p{color:#BFD0DF}.point-list{padding-left:18px;color:#5D7285}.zone-card.deep .point-list{color:#BFD0DF}.triple-grid{display:grid;grid-template-columns:1.15fr .85fr 1fr;gap:22px}.info-card{padding:24px}.info-card h3{color:#102033;font-size:23px;margin:10px 0}.info-card img{width:100%;height:auto;border-radius:18px}.timeline{display:grid;gap:14px}.timeline-item{display:grid;grid-template-columns:64px 1fr;gap:14px;align-items:start;padding:13px;border-radius:16px;background:#fff;border:1px solid rgba(59,130,246,.10)}.timeline-item time{color:#2563EB;font-weight:900}.safety-grid{display:grid;grid-template-columns:1fr 1fr;gap:28px}.safety-panel{padding:30px;border-radius:26px;background:#fff;border:1px solid rgba(59,130,246,.13)}.safety-panel img{width:100%;border-radius:20px;margin-bottom:18px}.review-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;align-items:start}.review-card{padding:22px}.review-card:nth-child(2n){transform:translateY(14px)}.review-card p{margin:0;color:#4E667B}.review-card span{display:block;margin-top:14px;color:#0284C7;font-size:13px;font-weight:800}.faq-list{display:grid;gap:12px}.faq-item{background:#fff;border:1px solid rgba(59,130,246,.13);border-radius:18px;padding:0 18px}.faq-item summary{cursor:pointer;padding:18px 0;color:#102033;font-weight:800}.faq-item p{padding:0 0 18px;margin:0;color:#5D7285}.compliance{padding:30px;border-radius:28px;background:linear-gradient(135deg,#132B44,#163C59);color:#E7F4FF;display:grid;grid-template-columns:1fr auto;gap:30px;align-items:center}.compliance h2{color:#fff;margin-top:0}.compliance p{color:#C7D8E8;margin-bottom:0}.page-hero{position:relative;padding:72px 0 52px;background:radial-gradient(circle at 85% 20%,rgba(56,189,248,.18),transparent 28%),linear-gradient(135deg,#F7FBFF,#EBF6FF)}.page-hero-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:42px;align-items:center}.page-hero h1{font-size:clamp(40px,6vw,66px);line-height:1.08;color:#102033;margin:12px 0 18px}.page-hero p{font-size:17px;color:#5A7185}.page-hero img{width:100%;border-radius:26px;box-shadow:0 24px 60px rgba(29,78,119,.13)}.content-section{padding:62px 0}.content-narrow{width:min(900px,calc(100% - 40px));margin:0 auto}.prose-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px}.prose-card{padding:28px;border-radius:22px;background:#fff;border:1px solid rgba(59,130,246,.12);box-shadow:0 18px 44px rgba(29,78,119,.08)}.prose-card h2,.prose-card h3{color:#102033}.prose-card p{color:#566E82}.feature-steps{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.step{padding:24px;border-radius:20px;background:linear-gradient(145deg,#fff,#F0F8FF);border:1px solid rgba(59,130,246,.12)}.step b{display:inline-flex;width:36px;height:36px;align-items:center;justify-content:center;border-radius:12px;background:#E9F5FF;color:#2563EB}.step h3{color:#102033}.story-grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:32px;align-items:center}.story-media img{width:100%;border-radius:28px;box-shadow:0 24px 58px rgba(29,78,119,.12)}.quote-note{padding:20px 22px;border-radius:18px;background:#E8FCFA;color:#315B64;border-left:4px solid #22D3C5}.service-links{display:flex;flex-wrap:wrap;gap:10px;margin-top:20px}.service-links a{padding:9px 13px;border-radius:999px;text-decoration:none;background:#EEF7FF;color:#2563EB;font-weight:700}.site-footer{background:#0C1B2A;color:#EAF4FF;padding:58px 0 18px}.footer-grid{display:grid;grid-template-columns:1.4fr repeat(3,1fr);gap:38px}.footer-logo img{max-height:44px;max-width:150px}.footer-brand p{color:#B7C9DA}.footer-small{font-size:13px}.site-footer h3{color:#fff;margin-top:0;font-size:16px}.site-footer a{display:block;color:#C9D9E7;text-decoration:none;margin:8px 0}.site-footer a:hover{color:#fff}.footer-bottom{display:flex;justify-content:space-between;gap:20px;border-top:1px solid rgba(255,255,255,.08);margin-top:34px;padding-top:18px;color:#8FA8BC;font-size:13px}.mobile-bottom-nav{display:none}.accent-brand .page-hero{background:linear-gradient(135deg,#F8FBFF,#EFF6FF,#ECFFFC)}.accent-vlog .page-hero{background:radial-gradient(circle at 80% 15%,rgba(99,102,241,.14),transparent 24%),linear-gradient(135deg,#F6FAFF,#EDF6FF)}.accent-social .page-hero{background:linear-gradient(135deg,#F8FBFF,#EAFBFF)}.accent-match .page-hero{background:linear-gradient(135deg,#F5FBFF,#EDFFFA)}.accent-chat .page-hero{background:linear-gradient(135deg,#F6FAFF,#EDF4FF)}.accent-safety .page-hero{background:linear-gradient(135deg,#F5FAFF,#E9F5FF)}.accent-privacy .page-hero{background:linear-gradient(135deg,#F8FCFF,#EBFFFB)}
@media(max-width:1040px){.nav-core{display:none}.menu-toggle-desktop{display:flex}.menu-toggle-mobile{display:none}.hero-grid,.page-hero-grid,.editorial-grid,.editorial-grid.reverse,.story-grid{grid-template-columns:1fr;gap:32px}.editorial-grid.reverse .media{order:0}.triple-grid{grid-template-columns:1fr 1fr}.triple-grid .info-card:last-child{grid-column:1/-1}.footer-grid{grid-template-columns:1.5fr 1fr 1fr}.footer-grid>div:last-child{grid-column:2/4}.floating-mini{left:12px}.review-grid{grid-template-columns:1fr 1fr}.review-card:nth-child(2n){transform:none}}
@media(max-width:760px){body{padding-bottom:64px}.container,.content-narrow{width:min(100% - 28px,1180px)}.header-inner{min-height:64px;padding:0 12px;gap:10px}.site-logo{position:absolute;left:50%;transform:translateX(-50%)}.site-logo img{max-height:36px;max-width:116px}.menu-toggle-mobile{display:flex;order:0}.menu-toggle-desktop{display:none}.header-actions{margin-left:auto}.nav-cta{padding:9px 13px;font-size:13px}.hero{padding:56px 0 44px}.hero h1{font-size:52px}.hero-sub{font-size:25px}.hero-copy{font-size:15px}.floating-mini{position:static;width:62%;margin:-24px 0 0 auto}.highlight-grid{grid-template-columns:1fr 1fr}.highlight-item{border-bottom:1px solid rgba(59,130,246,.10);padding:20px 16px}.highlight-item:nth-child(2n){border-right:0}.section,.content-section{padding:54px 0}.section-head{align-items:start;flex-direction:column}.split-grid,.safety-grid,.prose-grid{grid-template-columns:1fr}.triple-grid{grid-template-columns:1fr}.triple-grid .info-card:last-child{grid-column:auto}.review-grid{grid-template-columns:1fr}.feature-steps{grid-template-columns:1fr}.compliance{grid-template-columns:1fr;padding:24px}.page-hero{padding:50px 0 38px}.page-hero h1{font-size:42px}.footer-grid{grid-template-columns:1fr 1fr}.footer-grid>div:first-child,.footer-grid>div:last-child{grid-column:1/-1}.footer-bottom{flex-direction:column}.mobile-bottom-nav{position:fixed;display:grid;grid-template-columns:repeat(4,1fr);left:10px;right:10px;bottom:8px;z-index:9998;background:rgba(12,27,42,.94);backdrop-filter:blur(14px);border:1px solid rgba(255,255,255,.08);box-shadow:0 16px 42px rgba(0,0,0,.22);border-radius:18px;padding:7px}.mobile-bottom-nav a{text-align:center;color:#DDEBFA;text-decoration:none;padding:8px 4px;font-size:12px}.drawer-nav{grid-template-columns:1fr}.capsule-grid{gap:9px}.channel-pill{width:100%;max-width:none}.zone-card{padding:22px}}
@media(max-width:430px){.site-logo img{max-width:92px}.nav-cta{padding:8px 11px}.menu-toggle{width:38px;height:38px}.highlight-grid{grid-template-columns:1fr}.highlight-item{border-right:0}.hero h1{font-size:46px}.page-hero h1{font-size:36px}.footer-grid{grid-template-columns:1fr}.footer-grid>div{grid-column:auto!important}}