:root{--bg:#F5F8FC;--nav:rgba(10,24,42,.94);--title:#102033;--brand:#3B82F6;--deep:#172B4D;--ice:#38BDF8;--cyan:#22D3C5;--indigo:#6366F1;--blue-soft:#E9F5FF;--cyan-soft:#E8FCFA;--gray-soft:#F0F4F8;--text:#263748;--muted:#657789;--light:#8C9AAA;--card:#fff;--border: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;overflow-x:hidden}body{margin:0;background:var(--bg);color:var(--text);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:#2563EB;text-decoration:none}a:hover{text-decoration:none}img{max-width:100%;height:auto;display:block}button,input,textarea{font:inherit}.site-main{min-height:60vh}.container{width:min(calc(100% - 40px),var(--max));margin:0 auto}.section{padding:76px 0}.section-sm{padding:48px 0}.section-title{margin:0 0 14px;color:var(--title);font-size:clamp(28px,3.5vw,46px);line-height:1.15;letter-spacing:-.03em}.section-lead{margin:0;max-width:790px;color:var(--muted);font-size:17px}.section-kicker{display:inline-flex;align-items:center;gap:8px;margin-bottom:12px;color:#0284C7;font-size:12px;font-weight:800;letter-spacing:.16em;text-transform:uppercase}.section-kicker:before{content:"";width:28px;height:1px;background:linear-gradient(90deg,#2563EB,#22D3C5)}.eyebrow{display:inline-flex;padding:7px 11px;border-radius:999px;background:rgba(56,189,248,.10);color:#0278A8;font-size:12px;font-weight:800;letter-spacing:.08em}.main-btn,.outline-btn{display:inline-flex;align-items:center;justify-content:center;min-height:48px;padding:0 22px;border-radius:999px;font-weight:800;transition:.2s ease}.main-btn{background:linear-gradient(135deg,#2563EB 0%,#3B82F6 48%,#22D3C5 100%);color:#fff;box-shadow:0 14px 32px rgba(37,99,235,.20)}.main-btn:hover{transform:translateY(-1px);box-shadow:0 18px 38px rgba(37,99,235,.25)}.main-btn:focus-visible,.outline-btn:focus-visible,.menu-toggle:focus-visible,.drawer-close:focus-visible{outline:3px solid rgba(56,189,248,.45);outline-offset:3px}.main-btn.compact{min-height:40px;padding:0 17px;font-size:14px}.outline-btn{color:#1D4ED8;border:1px solid rgba(37,99,235,.23);background:rgba(255,255,255,.64)}.text-link{display:inline-flex;align-items:center;gap:6px;color:#2563EB;font-weight:750}.text-link:after{content:"→"}.site-header{position:sticky;top:0;width:100%;z-index:9999;background:var(--nav);backdrop-filter:blur(16px);-webkit-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{width:min(calc(100% - 32px),1280px);min-height:72px;margin:0 auto;display:flex;align-items:center;justify-content:space-between;gap:24px}.site-logo,.footer-logo{display:inline-flex;align-items:center;gap:10px;font-weight:900;letter-spacing:.02em}.site-logo{color:#fff;flex:0 0 auto}.site-logo img{max-height:44px;width:auto}.site-logo span{white-space:nowrap}.nav-core{display:flex;align-items:center;justify-content:center;gap:6px;flex:1}.nav-core a{color:#DCEAF7;padding:8px 12px;border-radius:999px;font-size:14px;white-space:nowrap}.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;flex:0 0 auto}.menu-toggle{width:42px;height:42px;border:0;border-radius:13px;background:rgba(255,255,255,.08);display:grid;place-content:center;gap:5px;cursor:pointer}.menu-toggle span{width:19px;height:2px;border-radius:3px;background:#EAF4FF;display:block}.mobile-only{display:none}.drawer-overlay{position:fixed;inset:0;background:rgba(4,13,25,.48);opacity:0;pointer-events:none;transition:.24s ease;z-index:10000}.drawer-overlay.is-open{opacity:1;pointer-events:auto}.site-drawer{position:fixed;top:0;right:0;width:min(390px,88vw);height:100dvh;background:#102238;color:#fff;transform:translateX(105%);transition:.28s ease;z-index:10001;box-shadow:-24px 0 70px rgba(2,12,25,.28);padding:22px;overflow-y:auto}.site-drawer.is-open{transform:translateX(0)}.drawer-head{display:flex;align-items:center;justify-content:space-between;padding:8px 4px 18px;border-bottom:1px solid rgba(255,255,255,.09)}.drawer-head strong{font-size:20px}.drawer-close{width:40px;height:40px;border:0;border-radius:12px;background:rgba(255,255,255,.08);color:#fff;font-size:28px;line-height:1;cursor:pointer}.drawer-nav{display:grid;grid-template-columns:1fr 1fr;gap:8px;padding-top:16px}.drawer-nav a{color:#DDEBFA;background:rgba(255,255,255,.045);border:1px solid rgba(255,255,255,.05);padding:11px 12px;border-radius:14px;font-size:14px}.drawer-nav a:hover{background:rgba(56,189,248,.12);color:#fff}.drawer-open{overflow:hidden}.hero{position:relative;padding:68px 0 54px;background:radial-gradient(circle at 10% 15%,rgba(56,189,248,.15),transparent 27%),radial-gradient(circle at 86% 16%,rgba(99,102,241,.13),transparent 28%),linear-gradient(145deg,#FAFDFF 0%,#ECF7FF 48%,#F0FFFC 100%);overflow:hidden}.hero:after{content:"";position:absolute;inset:0;background-image:linear-gradient(rgba(37,99,235,.035) 1px,transparent 1px),linear-gradient(90deg,rgba(37,99,235,.035) 1px,transparent 1px);background-size:34px 34px;mask-image:linear-gradient(to bottom,rgba(0,0,0,.75),transparent)}.hero-grid{position:relative;z-index:1;display:grid;grid-template-columns:1.02fr .98fr;gap:56px;align-items:center}.hero-copy h1{font-size:clamp(48px,7vw,86px);line-height:.98;letter-spacing:-.055em;margin:16px 0 20px;color:#102033}.hero-copy h2{font-size:clamp(22px,3vw,34px);line-height:1.25;margin:0 0 18px;color:#172B4D}.hero-copy p{font-size:17px;color:#52677A;margin:0;max-width:660px}.hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin:28px 0 22px}.hero-points{display:flex;gap:12px;flex-wrap:wrap}.hero-points span{padding:7px 11px;border-radius:999px;background:rgba(255,255,255,.72);border:1px solid rgba(59,130,246,.11);font-size:13px;color:#38516A}.hero-visual{position:relative;padding:20px}.hero-visual:before{content:"";position:absolute;inset:4% 10% 3% 4%;border-radius:38px;background:linear-gradient(145deg,rgba(255,255,255,.86),rgba(227,245,255,.66));border:1px solid rgba(255,255,255,.82);box-shadow:0 34px 90px rgba(41,90,135,.16);transform:rotate(-3deg)}.hero-visual img{position:relative;z-index:1;width:100%;max-height:600px;object-fit:contain;border-radius:28px}.signal-strip{position:relative;z-index:2;margin-top:-1px;background:rgba(255,255,255,.78);border-top:1px solid rgba(59,130,246,.08);border-bottom:1px solid rgba(59,130,246,.11);backdrop-filter:blur(14px)}.signal-grid{display:grid;grid-template-columns:repeat(4,1fr)}.signal-item{padding:22px 26px;border-right:1px solid rgba(59,130,246,.10)}.signal-item:last-child{border-right:0}.signal-num{font-size:11px;color:#0284C7;font-weight:900;letter-spacing:.14em}.signal-item h3{margin:5px 0 4px;color:var(--title);font-size:17px}.signal-item p{margin:0;color:var(--muted);font-size:13px;line-height:1.6}.channel-wrap{display:flex;flex-wrap:wrap;gap:10px;margin-top:24px}.channel-pill{display:inline-flex;flex-direction:column;gap:2px;max-width:260px;padding:12px 15px;border-radius:22px;background:rgba(255,255,255,.72);border:1px solid rgba(59,130,246,.12);box-shadow:0 8px 24px rgba(29,78,119,.05)}.channel-pill:nth-child(3n+2){background:#E8FCFA}.channel-pill:nth-child(4n+3){background:#EEF7FF}.channel-pill strong{color:#14314F}.channel-pill small{color:#6A7E91;line-height:1.5}.editorial{display:grid;grid-template-columns:.95fr 1.05fr;gap:54px;align-items:center}.editorial.reverse{grid-template-columns:1.06fr .94fr}.editorial.reverse .media{order:2}.media-stack{position:relative}.media-stack:before{content:"";position:absolute;inset:18px -15px -16px 22px;border-radius:30px;background:linear-gradient(135deg,#DDF3FF,#E7FFFA);z-index:0}.media-stack img,.media img{position:relative;z-index:1;border-radius:26px;box-shadow:var(--shadow);width:100%;object-fit:contain}.prose p{margin:0 0 16px;color:#4C6175}.prose p:last-child{margin-bottom:0}.feature-list{display:grid;gap:12px;margin:22px 0}.feature-row{display:grid;grid-template-columns:42px 1fr;gap:13px;align-items:start}.feature-row .n{width:42px;height:42px;border-radius:14px;background:#E9F5FF;color:#2563EB;display:grid;place-items:center;font-weight:900}.feature-row h3{margin:0 0 3px;color:#15314B;font-size:16px}.feature-row p{margin:0;color:#667A8E;font-size:14px}.duo{display:grid;grid-template-columns:1fr 1fr;gap:24px}.duo-panel{position:relative;padding:28px;border-radius:28px;overflow:hidden;min-height:100%}.duo-panel.blue{background:linear-gradient(145deg,#EAF6FF,#F9FCFF);border:1px solid rgba(59,130,246,.13)}.duo-panel.cyan{background:linear-gradient(145deg,#E9FCFA,#F8FFFE);border:1px solid rgba(34,211,197,.14)}.duo-panel.dark{background:#12253A;color:#EAF4FF}.duo-panel.dark h2,.duo-panel.dark h3{color:#fff}.duo-panel.dark p{color:#C2D4E5}.duo-panel img{width:100%;max-height:340px;object-fit:contain;border-radius:22px;margin-bottom:22px}.duo-panel h2{margin:0 0 12px;color:#102033;font-size:28px}.duo-panel h3{margin:18px 0 6px;color:#193652}.duo-panel p{margin:0 0 12px;color:#536A80}.bullet-mini{display:flex;flex-wrap:wrap;gap:8px;margin:18px 0}.bullet-mini span{padding:6px 10px;background:rgba(255,255,255,.72);border:1px solid rgba(59,130,246,.10);border-radius:999px;font-size:12px;color:#31516E}.trio{display:grid;grid-template-columns:1.05fr .9fr 1.05fr;gap:22px}.story-card,.timeline-card,.device-card,.card,.review-card,.info-card{background:rgba(255,255,255,.90);border:1px solid var(--border);box-shadow:var(--shadow);border-radius:22px}.story-card{padding:25px}.story-card img{width:100%;max-height:270px;object-fit:contain;border-radius:18px;margin-bottom:18px}.story-card h3{margin:0 0 8px;color:#122E49;font-size:22px}.story-card p{margin:0;color:#607589}.timeline-card{padding:25px;background:linear-gradient(180deg,#12253A,#17314B);color:#EAF4FF}.timeline-card h3{margin:0 0 16px;color:#fff;font-size:22px}.timeline-item{position:relative;padding:0 0 18px 22px;border-left:1px solid rgba(56,189,248,.30)}.timeline-item:before{content:"";position:absolute;width:8px;height:8px;border-radius:50%;background:#38BDF8;left:-5px;top:8px}.timeline-item strong{display:block;color:#fff}.timeline-item small{color:#AFC6DA}.device-card{padding:24px;text-align:center;background:linear-gradient(145deg,#F8FCFF,#EDF8FF)}.device-card img{max-height:320px;margin:0 auto 14px;object-fit:contain}.device-card h3{margin:0 0 7px;color:#14314D}.device-card p{margin:0;color:#62788C}.security-zone{background:linear-gradient(135deg,#EAF7FF 0%,#F7FCFF 45%,#EAFBF8 100%);border-top:1px solid rgba(59,130,246,.10);border-bottom:1px solid rgba(59,130,246,.10)}.security-grid{display:grid;grid-template-columns:.92fr 1.08fr;gap:30px;align-items:center}.security-media{display:grid;grid-template-columns:1fr 1fr;gap:14px}.security-media img{border-radius:22px;background:#fff;box-shadow:0 14px 38px rgba(35,85,127,.10);object-fit:contain;width:100%}.notice{padding:18px 20px;border-radius:18px;background:rgba(18,37,58,.96);color:#DCEAF7}.notice strong{color:#fff}.notice p{margin:5px 0 0;color:#BED0E0}.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:#485F75}.review-card footer{margin-top:15px;color:#7B8DA0;font-size:13px}.faq-list{display:grid;gap:12px;margin-top:28px}.faq-item{background:#fff;border:1px solid var(--border);border-radius:18px;box-shadow:0 10px 34px rgba(29,78,119,.06);padding:0 18px}.faq-item summary{cursor:pointer;padding:17px 0;color:#17334E;font-weight:800;list-style:none}.faq-item summary::-webkit-details-marker{display:none}.faq-item summary:after{content:"+";float:right;color:#2563EB;font-size:22px;font-weight:500}.faq-item[open] summary:after{content:"−"}.faq-item p{margin:0;padding:0 0 18px;color:#5E7387}.cta-band{padding:36px;border-radius:30px;background:linear-gradient(125deg,#10273F,#173C59 55%,#0B5D70);color:#fff;display:flex;align-items:center;justify-content:space-between;gap:24px}.cta-band h2{margin:0 0 6px;color:#fff;font-size:30px}.cta-band p{margin:0;color:#C9DDEB;max-width:720px}.site-footer{background:#0C1B2A;color:#EAF4FF;padding:58px 0 100px}.footer-inner{width:min(calc(100% - 40px),var(--max));margin:0 auto;display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:34px}.footer-logo{color:#fff;font-size:20px}.footer-logo img{max-height:42px;width:auto}.footer-brand p{color:#BFD0DF;font-size:14px;max-width:420px}.footer-col h2{font-size:14px;margin:0 0 12px;color:#fff}.footer-col a{display:block;color:#C4D7E6;font-size:14px;padding:4px 0}.footer-col a:hover{color:#fff}.footer-bottom{width:min(calc(100% - 40px),var(--max));margin:32px auto 0;padding-top:20px;border-top:1px solid rgba(255,255,255,.09);display:flex;justify-content:space-between;gap:20px;color:#8FA9BD;font-size:12px}.mobile-bottom-nav{display:none}
/* inner pages */
.page-hero{position:relative;padding:66px 0 46px;background:radial-gradient(circle at 10% 10%,rgba(56,189,248,.13),transparent 25%),linear-gradient(145deg,#FCFEFF,#EAF6FF 58%,#EEFCFA);overflow:hidden}.page-hero-grid{display:grid;grid-template-columns:1fr .9fr;gap:48px;align-items:center}.page-hero h1{margin:10px 0 18px;font-size:clamp(38px,5vw,66px);line-height:1.04;letter-spacing:-.04em;color:#102033}.page-hero p{margin:0;color:#566C81;font-size:17px}.page-hero img{width:100%;max-height:460px;object-fit:contain;border-radius:28px;box-shadow:var(--shadow);background:rgba(255,255,255,.45)}.page-actions{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px}.number-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.number-card{padding:24px;border-top:3px solid #38BDF8;background:#fff;border-radius:0 0 22px 22px;box-shadow:var(--shadow)}.number-card .num{color:#2563EB;font-size:12px;font-weight:900;letter-spacing:.15em}.number-card h3{margin:7px 0 8px;color:#17324D}.number-card p{margin:0;color:#60758A}.tag-cloud{display:flex;flex-wrap:wrap;gap:10px}.tag-cloud span{padding:8px 13px;border-radius:999px;background:#E9F5FF;color:#245B89;border:1px solid rgba(59,130,246,.10);font-size:13px}.steps{display:grid;gap:14px}.step{display:grid;grid-template-columns:52px 1fr;gap:16px;padding:18px;border-radius:20px;background:#fff;border:1px solid var(--border);box-shadow:0 10px 30px rgba(29,78,119,.05)}.step b{width:52px;height:52px;border-radius:17px;display:grid;place-items:center;background:#102A43;color:#fff}.step h3{margin:1px 0 4px;color:#17324D}.step p{margin:0;color:#63788B}.topic-list{display:grid;gap:10px}.topic{padding:17px 18px;border-radius:18px;background:linear-gradient(90deg,#fff,#F1F9FF);border:1px solid var(--border)}.topic strong{display:block;color:#18334D}.topic span{color:#6A7E91;font-size:14px}.message-stack{display:grid;gap:12px}.message{max-width:86%;padding:14px 16px;border-radius:18px 18px 18px 6px;background:#fff;border:1px solid var(--border);box-shadow:0 10px 26px rgba(29,78,119,.05)}.message.me{margin-left:auto;border-radius:18px 18px 6px 18px;background:#E9F5FF}.message strong{display:block;color:#17324D}.message p{margin:3px 0 0;color:#607489;font-size:14px}.date-list{display:grid;gap:12px}.date-item{display:grid;grid-template-columns:78px 1fr;gap:16px;align-items:start;padding:18px;border-radius:20px;background:#fff;border:1px solid var(--border)}.date-badge{padding:9px 8px;text-align:center;background:#12253A;color:#fff;border-radius:14px}.date-badge b{display:block;font-size:20px}.date-badge span{font-size:11px;color:#B9D0E2}.date-item h3{margin:0 0 4px;color:#17324D}.date-item p{margin:0;color:#64798D}.service-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.service-card{padding:22px;border-radius:22px;background:#fff;border:1px solid var(--border);box-shadow:0 13px 34px rgba(29,78,119,.06)}.service-card h3{margin:0 0 8px;color:#15314B}.service-card p{margin:0;color:#63788C}.policy-band{padding:26px;border-radius:26px;background:linear-gradient(135deg,#0F2943,#154660);color:#DCEAF7}.policy-band h2{margin:0 0 10px;color:#fff}.policy-band p{margin:0 0 10px;color:#C1D4E4}.policy-band p:last-child{margin-bottom:0}.contact-types{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}.contact-card{padding:24px;border-radius:22px;background:#fff;border:1px solid var(--border)}.contact-card h3{margin:0 0 8px;color:#18334D}.contact-card p{margin:0;color:#64798D}.brand-quote{padding:34px;border-left:5px solid #38BDF8;border-radius:0 24px 24px 0;background:#fff;box-shadow:var(--shadow);font-size:21px;color:#24445F}.app-showcase{display:grid;grid-template-columns:.8fr 1.2fr;gap:40px;align-items:center}.app-showcase .phone-frame{padding:22px;border-radius:34px;background:linear-gradient(145deg,#10253B,#1C4766);box-shadow:0 30px 70px rgba(16,45,68,.22)}.app-showcase .phone-frame img{max-height:620px;margin:auto;object-fit:contain;border-radius:24px}.app-feature-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}.app-feature{padding:18px;border-radius:20px;background:#fff;border:1px solid var(--border)}.app-feature h3{margin:0 0 6px;color:#17324D}.app-feature p{margin:0;color:#64798D;font-size:14px}
@media (max-width:1050px){.nav-core{gap:2px}.nav-core a{padding:8px 9px}.hero-grid,.editorial,.editorial.reverse,.page-hero-grid,.security-grid,.app-showcase{gap:30px}.trio{grid-template-columns:1fr 1fr}.trio>*:last-child{grid-column:1/-1}.footer-inner{grid-template-columns:1.3fr 1fr 1fr}.footer-col:last-child{grid-column:2/4}}
@media (max-width:880px){.nav-core{display:none}.desktop-menu{display:none}.mobile-only{display:grid}.header-inner{min-height:64px}.site-logo span{display:none}.site-logo{position:absolute;left:50%;transform:translateX(-50%)}.site-logo img{max-height:40px}.hero{padding-top:45px}.hero-grid,.editorial,.editorial.reverse,.page-hero-grid,.security-grid,.app-showcase{grid-template-columns:1fr}.editorial.reverse .media{order:0}.hero-visual{max-width:680px;margin:auto}.signal-grid{grid-template-columns:1fr 1fr}.signal-item:nth-child(2){border-right:0}.signal-item:nth-child(-n+2){border-bottom:1px solid rgba(59,130,246,.10)}.duo{grid-template-columns:1fr}.review-grid,.number-grid,.service-grid{grid-template-columns:1fr 1fr}.footer-inner{grid-template-columns:1fr 1fr}.footer-col:last-child{grid-column:auto}.footer-brand{grid-column:1/-1}.footer-bottom{flex-direction:column}.security-media{max-width:660px}.app-showcase .phone-frame{max-width:540px;margin:auto}.mobile-bottom-nav{position:fixed;left:12px;right:12px;bottom:max(10px,env(safe-area-inset-bottom));z-index:9990;display:grid;grid-template-columns:repeat(4,1fr);background:rgba(12,27,42,.94);backdrop-filter:blur(16px);border:1px solid rgba(255,255,255,.08);border-radius:20px;box-shadow:0 16px 42px rgba(9,28,45,.25);padding:8px}.mobile-bottom-nav a{color:#DCEAF7;text-align:center;padding:7px;border-radius:14px;font-size:12px}.mobile-bottom-nav a:hover{background:rgba(56,189,248,.12);color:#fff}.site-footer{padding-bottom:115px}}
@media (max-width:620px){.container{width:min(calc(100% - 28px),var(--max))}.section{padding:56px 0}.section-sm{padding:38px 0}.header-inner{width:calc(100% - 22px);gap:10px}.header-actions{margin-left:auto}.main-btn.compact{padding:0 13px;min-height:38px}.hero-copy h1{font-size:52px}.hero-copy h2{font-size:23px}.hero-copy p,.page-hero p{font-size:15px}.hero-visual{padding:7px}.signal-grid{grid-template-columns:1fr}.signal-item{border-right:0;border-bottom:1px solid rgba(59,130,246,.10)}.signal-item:last-child{border-bottom:0}.duo-panel{padding:22px}.trio,.review-grid,.number-grid,.service-grid,.contact-types{grid-template-columns:1fr}.trio>*:last-child{grid-column:auto}.review-card:nth-child(2n){transform:none}.security-media{grid-template-columns:1fr}.cta-band{padding:26px;align-items:flex-start;flex-direction:column}.footer-inner{grid-template-columns:1fr}.footer-brand{grid-column:auto}.drawer-nav{grid-template-columns:1fr}.page-hero{padding:48px 0 36px}.page-hero h1{font-size:42px}.step{grid-template-columns:44px 1fr}.step b{width:44px;height:44px}.date-item{grid-template-columns:64px 1fr}.app-feature-grid{grid-template-columns:1fr}.brand-quote{padding:26px;font-size:18px}}