:root{
  --bg:#F5F8FC;--nav:rgba(10,24,42,.94);--ink:#102033;--body:#263748;--muted:#657789;--soft:#8C9AAA;--blue:#3B82F6;--blue2:#2563EB;--deep:#172B4D;--ice:#38BDF8;--cyan:#22D3C5;--violet:#6366F1;--line:rgba(59,130,246,.14);--shadow:0 20px 50px rgba(29,78,119,.10);--radius:24px;--max:1240px
}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--body);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",Arial,sans-serif;line-height:1.75;overflow-x:hidden}body.drawer-open{overflow:hidden}a{color:inherit}img{max-width:100%;height:auto;display:block}.container{width:min(var(--max),calc(100% - 40px));margin:0 auto}.section-pad{padding:88px 0}.section-kicker{display:inline-flex;align-items:center;gap:8px;color:#0284C7;font-size:12px;letter-spacing:.16em;font-weight:800;text-transform:uppercase}.section-kicker:before{content:"";width:28px;height:1px;background:linear-gradient(90deg,var(--blue2),var(--cyan))}h1,h2,h3,.section-title{color:var(--ink);line-height:1.18;margin-top:0}h1{font-size:clamp(44px,7vw,84px);letter-spacing:-.05em;margin-bottom:22px}h2{font-size:clamp(28px,4vw,46px);letter-spacing:-.03em;margin-bottom:18px}h3{font-size:22px}p{margin:0 0 16px}.text-link{color:var(--blue2);font-weight:800;text-decoration:none}.text-link:hover{text-decoration:underline}.main-btn,.outline-btn{display:inline-flex;align-items:center;justify-content:center;min-height:48px;padding:0 22px;border-radius:999px;text-decoration:none;font-weight:800;transition:.2s ease}.main-btn{background:linear-gradient(135deg,#2563EB 0%,#3B82F6 48%,#22D3C5 100%);color:white;box-shadow:0 14px 32px rgba(37,99,235,.20)}.main-btn:hover{transform:translateY(-2px);box-shadow:0 18px 40px rgba(37,99,235,.25)}.main-btn:focus-visible,.outline-btn:focus-visible,a:focus-visible,button:focus-visible{outline:3px solid rgba(56,189,248,.55);outline-offset:3px}.main-btn.compact{min-height:42px;padding:0 17px;font-size:14px}.outline-btn{border:1px solid rgba(37,99,235,.24);background:rgba(255,255,255,.72);color:var(--blue2)}.outline-btn:hover{background:white;border-color:rgba(37,99,235,.45)}
.site-header{position:sticky;top:0;width:100%;z-index:9999;background:var(--nav);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 20px;display:flex;align-items:center;justify-content:space-between;gap:24px}.site-logo{display:flex;align-items:center;gap:10px;color:#fff;text-decoration:none;white-space:nowrap}.site-logo img{width:auto;max-width:42px;max-height:44px;object-fit:contain}.site-logo strong{font-size:18px}.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:14px}.nav-core a:hover,.nav-core a.active{color:#fff;background:rgba(56,189,248,.14)}.header-actions{display:flex;align-items:center;gap:10px}.menu-toggle{width:42px;height:42px;border:1px solid rgba(255,255,255,.14);background:rgba(255,255,255,.06);border-radius:14px;display:grid;place-content:center;gap:4px;cursor:pointer}.menu-toggle span{display:block;width:18px;height:2px;background:#DCEAF7;border-radius:9px}.mobile-menu-toggle{display:none}.drawer-overlay{position:fixed;inset:0;background:rgba(6,16,28,.48);z-index:10000;opacity:0;visibility:hidden;transition:.25s}.site-drawer{position:fixed;right:0;top:0;z-index:10001;width:min(390px,88vw);height:100dvh;padding:24px;background:#102033;color:white;transform:translateX(105%);transition:.28s ease;overflow-y:auto;box-shadow:-24px 0 70px rgba(0,0,0,.18)}.drawer-open .drawer-overlay{opacity:1;visibility:visible}.drawer-open .site-drawer{transform:translateX(0)}.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:22px}.drawer-brand{display:flex;align-items:center;gap:10px;color:white;text-decoration:none;font-weight:800}.drawer-brand img{width:40px;max-height:40px;object-fit:contain}.drawer-close{width:40px;height:40px;border:0;border-radius:14px;background:rgba(255,255,255,.08);color:white;font-size:27px;cursor:pointer}.drawer-nav{display:grid;grid-template-columns:1fr 1fr;gap:8px}.drawer-nav a{color:#DCEAF7;text-decoration:none;padding:10px 12px;border-radius:12px;background:rgba(255,255,255,.04)}.drawer-nav a:hover{background:rgba(56,189,248,.14);color:white}.drawer-note{margin-top:24px;padding:18px;border:1px solid rgba(56,189,248,.16);border-radius:18px;background:rgba(56,189,248,.07)}.drawer-note strong{color:#A9E8FF}.drawer-note p{font-size:13px;color:#C5D7E6;margin:8px 0 0}.mobile-bottom-nav{display:none}
.hero{position:relative;overflow:hidden;background:radial-gradient(circle at 74% 26%,rgba(56,189,248,.18),transparent 29%),radial-gradient(circle at 25% 8%,rgba(99,102,241,.10),transparent 28%),linear-gradient(135deg,#fff 0%,#F1F8FF 52%,#EAFBFA 100%)}.home-hero:before{content:"";position:absolute;inset:0;background-image:linear-gradient(rgba(59,130,246,.035) 1px,transparent 1px),linear-gradient(90deg,rgba(59,130,246,.035) 1px,transparent 1px);background-size:32px 32px;mask-image:linear-gradient(to bottom,black,transparent 88%)}.hero-grid{position:relative;display:grid;grid-template-columns:1.02fr .98fr;align-items:center;gap:64px;min-height:700px;padding-top:78px;padding-bottom:86px}.hero-copy{position:relative;z-index:2}.hero-subtitle{font-size:clamp(20px,3vw,30px);color:var(--deep);font-weight:750;line-height:1.45}.hero-copy>p:not(.hero-subtitle){font-size:16px;max-width:700px}.hero-safety{color:var(--muted)}.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin:30px 0}.hero-points{display:flex;flex-wrap:wrap;gap:10px}.hero-points span{padding:8px 12px;border:1px solid var(--line);border-radius:999px;background:rgba(255,255,255,.72);font-size:13px;color:#31506A}.media-stack{position:relative;min-height:520px;display:grid;place-items:center}.visual-glow{position:absolute;width:430px;height:430px;border-radius:50%;background:radial-gradient(circle,rgba(56,189,248,.27),rgba(34,211,197,.09) 42%,transparent 72%);filter:blur(10px)}.hero-main-img{position:relative;z-index:2;width:86%;max-height:560px;object-fit:contain;border-radius:28px;box-shadow:0 34px 80px rgba(23,43,77,.18);background:white}.floating-media{position:absolute;z-index:3;width:28%;right:-2%;bottom:3%;max-height:300px;object-fit:contain;border-radius:22px;box-shadow:0 24px 60px rgba(23,43,77,.20);background:white}.floating-note{position:absolute;z-index:4;left:-4%;top:10%;width:230px;padding:18px;border-radius:20px;background:rgba(255,255,255,.78);backdrop-filter:blur(18px);border:1px solid rgba(255,255,255,.88);box-shadow:var(--shadow)}.floating-note small{display:block;color:var(--violet);font-weight:900;letter-spacing:.13em}.floating-note strong{display:block;margin:7px 0;color:var(--ink)}.floating-note span{font-size:13px;color:var(--muted)}
.service-strip{position:relative;margin-top:-28px}.strip-grid{display:grid;grid-template-columns:repeat(4,1fr);padding:14px;border:1px solid rgba(59,130,246,.12);background:rgba(255,255,255,.86);backdrop-filter:blur(16px);border-radius:26px;box-shadow:var(--shadow)}.strip-grid article{display:flex;gap:13px;padding:18px;border-right:1px solid rgba(59,130,246,.10)}.strip-grid article:last-child{border-right:0}.strip-grid b{font-size:12px;color:var(--ice);letter-spacing:.1em}.strip-grid h2{font-size:17px;margin:0 0 5px}.strip-grid p{font-size:13px;color:var(--muted);margin:0;line-height:1.6}.section-heading{max-width:760px;margin-bottom:32px}.section-heading p{color:var(--muted)}.channel-pills{display:flex;flex-wrap:wrap;gap:12px}.channel-pills a{flex:1 1 220px;min-height:88px;padding:16px 18px;border-radius:24px;text-decoration:none;border:1px solid var(--line);background:linear-gradient(135deg,rgba(255,255,255,.88),rgba(233,245,255,.72));transition:.2s}.channel-pills a:nth-child(3n+2){background:linear-gradient(135deg,rgba(255,255,255,.88),rgba(232,252,250,.78))}.channel-pills a:hover{transform:translateY(-3px);box-shadow:var(--shadow)}.channel-pills strong,.channel-pills span{display:block}.channel-pills strong{color:var(--ink);margin-bottom:6px}.channel-pills span{font-size:13px;color:var(--muted)}
.brand-editorial{background:linear-gradient(180deg,#EAF5FF 0%,#F9FCFF 100%)}.editorial-grid{display:grid;grid-template-columns:1.06fr .94fr;gap:72px;align-items:center}.editorial-image{position:relative;min-height:480px}.editorial-image>img:first-of-type{width:86%;margin-left:auto;border-radius:28px;box-shadow:var(--shadow);background:white}.editorial-inset{position:absolute;left:0;bottom:0;width:46%;border-radius:22px;box-shadow:0 20px 50px rgba(29,78,119,.16);background:white}.index-no{position:absolute;left:0;top:0;font-size:74px;font-weight:900;color:rgba(37,99,235,.08);line-height:1}.editorial-copy p{color:#40566A}.feature-story{display:grid;grid-template-columns:.9fr 1.1fr;gap:54px;align-items:center}.story-copy{padding:26px 0}.story-media{position:relative}.story-media img{border-radius:30px;box-shadow:var(--shadow);background:white;max-height:600px;object-fit:contain}.media-caption{position:absolute;right:18px;bottom:18px;max-width:280px;padding:15px 18px;border-radius:18px;background:rgba(10,24,42,.86);color:white;backdrop-filter:blur(12px)}.media-caption b,.media-caption span{display:block}.media-caption b{font-size:11px;color:#8FE8FF;letter-spacing:.13em}.media-caption span{font-size:13px;margin-top:6px}.duo-section{background:#F0F7FD}.asymmetric-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:26px}.asymmetric-grid.reverse{grid-template-columns:.9fr 1.1fr}.duo-card,.message-panel,.topic-panel{position:relative;padding:28px;border-radius:28px;overflow:hidden;border:1px solid var(--line)}.duo-card img{width:100%;max-height:360px;object-fit:contain;border-radius:22px;margin-bottom:24px;background:white}.soft-blue{background:linear-gradient(145deg,#fff,#EAF5FF)}.soft-mint{background:linear-gradient(145deg,#fff,#E8FCFA)}.tag-cloud{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:18px}.tag-cloud span,.topic-list span{padding:7px 10px;background:rgba(37,99,235,.07);border:1px solid rgba(37,99,235,.10);border-radius:999px;font-size:12px;color:#31506A}.mini-points{padding-left:18px;color:#41566A}.message-panel{background:#102033;color:#DCEAF7}.message-panel h2{color:white}.message-panel .section-kicker{color:#8FE8FF}.message-bubble{max-width:84%;padding:12px 14px;margin:12px 0;background:rgba(255,255,255,.08);border-radius:18px 18px 18px 4px}.message-bubble.alt{margin-left:auto;background:rgba(56,189,248,.13);border-radius:18px 18px 4px 18px}.message-panel img{margin-top:24px;border-radius:22px;background:white;max-height:290px;object-fit:contain}.topic-panel{background:white}.topic-panel img{border-radius:22px;max-height:340px;object-fit:contain;background:#F3F8FC;margin-bottom:22px}.topic-list{display:flex;flex-wrap:wrap;gap:8px;margin:14px 0 20px}
.triple-zone{background:linear-gradient(180deg,#fff,#F3F8FC)}.triple-grid{display:grid;grid-template-columns:1fr .88fr 1.12fr;gap:22px;align-items:stretch}.discover-card,.activity-card,.app-card{border-radius:28px;overflow:hidden;box-shadow:var(--shadow);border:1px solid var(--line)}.discover-card{background:white;padding:20px}.discover-card img{border-radius:20px;max-height:280px;object-fit:contain;background:#F4F8FB;margin-bottom:20px}.activity-card{padding:26px;background:#12253A;color:#DCEAF7}.activity-card h2{color:white}.date-chip{display:inline-flex;padding:6px 9px;border-radius:999px;background:rgba(56,189,248,.13);color:#8FE8FF;font-size:11px;letter-spacing:.14em;font-weight:900}.activity-card ol{list-style:none;padding:0;margin:18px 0}.activity-card li{padding:14px 0;border-bottom:1px solid rgba(255,255,255,.09)}.activity-card li b,.activity-card li span{display:block}.activity-card li span{font-size:13px;color:#B9CBD9;margin-top:3px}.activity-card .text-link{color:#8FE8FF}.app-card{display:grid;grid-template-columns:1fr .7fr;background:linear-gradient(145deg,#EAF5FF,#E8FCFA);padding:26px}.app-card img{align-self:end;max-height:360px;object-fit:contain}.security-zone{background:#EAF5FF}.security-grid{display:grid;grid-template-columns:1fr 1fr;gap:58px;align-items:center}.security-links{display:flex;flex-wrap:wrap;gap:10px;margin-top:24px}.security-links a{padding:9px 12px;border-radius:999px;background:white;border:1px solid var(--line);color:var(--blue2);font-weight:800;text-decoration:none}.security-images{display:grid;grid-template-columns:1fr 1fr;gap:16px;align-items:end}.security-images img{border-radius:24px;background:white;box-shadow:var(--shadow);object-fit:contain}.security-images img:last-child{transform:translateY(30px)}.reviews-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;align-items:start}.reviews-grid blockquote{margin:0;padding:24px;border-radius:24px;background:white;border:1px solid var(--line);box-shadow:0 12px 34px rgba(29,78,119,.07);font-size:15px}.reviews-grid blockquote:nth-child(2),.reviews-grid blockquote:nth-child(5){margin-top:24px;background:#EEF7FF}.reviews-grid cite{display:block;margin-top:14px;color:var(--muted);font-size:12px;font-style:normal}.faq-zone{background:#fff}.faq-layout{display:grid;grid-template-columns:.75fr 1.25fr;gap:54px;align-items:start}.faq-intro{position:sticky;top:110px}.faq-list{display:grid;gap:10px}.faq-item{border:1px solid var(--line);border-radius:18px;background:#fff;overflow:hidden}.faq-item summary{cursor:pointer;list-style:none;padding:18px 20px;font-weight:800;color:var(--ink);position:relative}.faq-item summary::-webkit-details-marker{display:none}.faq-item summary:after{content:"+";position:absolute;right:18px;top:14px;font-size:24px;color:var(--blue2)}.faq-item[open] summary:after{content:"−"}.faq-item p{padding:0 20px 20px;color:#4C6073}.responsible-card{padding:34px;border-radius:30px;background:linear-gradient(135deg,#12253A,#173B5B);color:#DCEAF7}.responsible-card h2{color:white}.responsible-card .section-kicker{color:#8FE8FF}.responsible-card .text-link{color:#8FE8FF}.about-mini{background:white}.about-grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:48px;align-items:center}.about-grid img{border-radius:28px;box-shadow:var(--shadow);background:#F2F7FB;object-fit:contain;max-height:480px}
.sub-hero{position:relative;overflow:hidden;background:radial-gradient(circle at 82% 18%,rgba(56,189,248,.18),transparent 30%),linear-gradient(135deg,#fff,#EEF7FF 55%,#E8FCFA)}.sub-hero-grid{display:grid;grid-template-columns:1.04fr .96fr;gap:58px;align-items:center;min-height:520px;padding-top:74px;padding-bottom:74px}.sub-hero-copy h1{font-size:clamp(38px,5.4vw,68px)}.sub-hero-copy>p{max-width:720px;color:#40566A}.sub-hero-media{position:relative}.sub-hero-media img{width:100%;max-height:470px;object-fit:contain;border-radius:28px;background:white;box-shadow:var(--shadow)}.media-mark{position:absolute;right:16px;bottom:16px;background:rgba(10,24,42,.84);color:#DDF5FF;border-radius:999px;padding:7px 11px;font-size:10px;letter-spacing:.14em}.page-content{position:relative}.content-layout{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}.content-block{position:relative;padding:30px;border:1px solid var(--line);background:white;border-radius:26px;box-shadow:0 16px 44px rgba(29,78,119,.07)}.content-block .block-index{display:block;color:#93C5FD;font-size:12px;font-weight:900;letter-spacing:.14em;margin-bottom:20px}.content-block h2{font-size:28px}.content-block p{color:#445A6E}.page-service-note{background:#EEF7FF}.service-note-grid{display:grid;grid-template-columns:1fr .8fr;gap:34px;align-items:center}.quote-card{padding:28px;border-radius:26px;background:#12253A;color:#EAF4FF;box-shadow:var(--shadow)}.quote-card p{font-size:17px}.quote-card span{display:block;margin-top:14px;color:#8FE8FF;font-size:12px}.page-faq{background:white}.compliance-band{padding:40px 0;background:#102033;color:#DCEAF7}.compliance-band h2{color:white;font-size:26px}.compliance-band p{margin:0;max-width:1050px}.faq-full-grid{display:grid;gap:12px;max-width:960px}
/* Page-specific visual differences */
.variant-stream .content-layout{grid-template-columns:1.2fr .8fr}.variant-stream .content-block:nth-child(1){grid-row:span 2;background:#12253A;color:#DCEAF7}.variant-stream .content-block:nth-child(1) h2{color:white}.variant-stream .content-block:nth-child(1) p{color:#C8D9E7}.variant-profile .sub-hero-media img{border-radius:32px 32px 100px 32px}.variant-profile .content-block:nth-child(2){background:#E8FCFA}.variant-tags .sub-hero{background:radial-gradient(circle at 76% 30%,rgba(99,102,241,.13),transparent 30%),linear-gradient(135deg,#fff,#EEF7FF)}.variant-tags .content-layout{grid-template-columns:repeat(4,1fr)}.variant-tags .content-block{padding:24px}.variant-tags .content-block h2{font-size:23px}.variant-chat .sub-hero{background:linear-gradient(135deg,#102033 0%,#173B5B 56%,#0F6173 100%)}.variant-chat .sub-hero h1,.variant-chat .sub-hero p{color:#fff}.variant-chat .sub-hero .section-kicker{color:#8FE8FF}.variant-chat .content-block:nth-child(1),.variant-chat .content-block:nth-child(3){background:#12253A}.variant-chat .content-block:nth-child(1) h2,.variant-chat .content-block:nth-child(3) h2{color:#fff}.variant-chat .content-block:nth-child(1) p,.variant-chat .content-block:nth-child(3) p{color:#C8D9E7}.variant-community .content-block:nth-child(1){grid-column:1/-1;background:linear-gradient(135deg,#fff,#EEF7FF)}.variant-editorial .content-block:nth-child(1){grid-column:1/-1}.variant-editorial .content-block:nth-child(4){background:#E8FCFA}.variant-timeline .content-layout{grid-template-columns:1fr}.variant-timeline .content-block{padding-left:88px}.variant-timeline .content-block .block-index{position:absolute;left:28px;top:31px;font-size:28px;color:#60A5FA}.variant-app .sub-hero-media img{max-height:520px}.variant-app .content-block:nth-child(1),.variant-app .content-block:nth-child(4){background:#EAF5FF}.variant-steps .content-layout{counter-reset:guide;grid-template-columns:repeat(4,1fr)}.variant-steps .content-block{padding-top:58px}.variant-steps .content-block:before{counter-increment:guide;content:counter(guide);position:absolute;right:20px;top:15px;font-size:44px;font-weight:900;color:rgba(37,99,235,.08)}.variant-safety .sub-hero{background:linear-gradient(135deg,#F8FCFF,#E7F5FF)}.variant-safety .content-block:nth-child(2){border-color:rgba(56,189,248,.34);background:#EEF9FF}.variant-privacy .sub-hero{background:linear-gradient(135deg,#fff,#E8FCFA 58%,#EEF7FF)}.variant-privacy .content-block:nth-child(2),.variant-privacy .content-block:nth-child(3){background:#F2FFFD}.variant-help .content-layout{grid-template-columns:repeat(2,1fr)}.variant-contact .content-layout{grid-template-columns:1fr 1fr}.variant-contact .content-block:nth-child(3){background:#12253A}.variant-contact .content-block:nth-child(3) h2{color:white}.variant-contact .content-block:nth-child(3) p{color:#C8D9E7}.variant-calm .sub-hero{background:linear-gradient(135deg,#fff,#F0F4F8)}.variant-calm .content-block{box-shadow:none}.variant-service .content-layout{grid-template-columns:repeat(4,1fr)}.variant-service .content-block{padding:24px}.variant-service .content-block h2{font-size:23px}.variant-story .sub-hero-media img{border-radius:50% 28px 28px 28px}.variant-story .content-block:nth-child(1){grid-column:1/-1;background:#EEF7FF}
.site-footer{background:#0C1B2A;color:#EAF4FF;padding:68px 0 28px}.footer-grid{width:min(var(--max),calc(100% - 40px));margin:0 auto;display:grid;grid-template-columns:1.4fr repeat(3,1fr);gap:42px}.site-footer h2{font-size:14px;color:#8FE8FF;letter-spacing:.08em;margin-bottom:14px}.site-footer section>a:not(.site-logo){display:block;color:#C9D9E7;text-decoration:none;font-size:13px;padding:4px 0}.site-footer section>a:hover{color:white}.footer-brand p{color:#AEC2D2;max-width:360px;font-size:13px}.footer-logo{margin-bottom:15px}.footer-legal{width:min(var(--max),calc(100% - 40px));margin:36px auto 0;padding-top:22px;border-top:1px solid rgba(255,255,255,.08);display:grid;grid-template-columns:1fr 1fr;gap:28px}.footer-legal p{font-size:12px;color:#92A8BA;margin:0}
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