:root{--bg:#F5F8FC;--nav:rgba(10,24,42,.94);--title:#102033;--brand:#3B82F6;--deep:#172B4D;--ice:#38BDF8;--cyan:#22D3C5;--indigo:#6366F1;--pale:#E9F5FF;--mint:#E8FCFA;--gray:#F0F4F8;--text:#263748;--muted:#657789;--soft:#8C9AAA;--card:#fff;--dark:#12253A;--line:rgba(59,130,246,.14);--shadow:0 20px 50px rgba(29,78,119,.10);--grad:linear-gradient(135deg,#2563EB 0%,#3B82F6 48%,#22D3C5 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","Hiragino Sans GB","Microsoft YaHei",Arial,sans-serif;line-height:1.78;overflow-x:hidden}body.drawer-open{overflow:hidden}a{color:#2563EB;text-decoration:none}a:hover{text-decoration:none}img{max-width:100%;height:auto;display:block}button,a{outline-offset:4px}main{min-height:70vh}.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 24px;display:flex;align-items:center;justify-content:space-between;gap:22px}.site-logo{display:flex;align-items:center;gap:10px;color:#fff;white-space:nowrap}.site-logo img{width:auto;max-width:46px;max-height:44px;object-fit:contain}.site-logo strong{font-size:19px;letter-spacing:.08em}.nav-core{display:flex;align-items:center;gap:8px;margin-left:auto}.nav-core a{color:#DCEAF7;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}.main-btn{display:inline-flex;align-items:center;justify-content:center;background:var(--grad);color:#fff;border-radius:999px;box-shadow:0 14px 32px rgba(37,99,235,.20);padding:13px 22px;font-weight:700;transition:.25s transform,.25s box-shadow}.main-btn:hover{transform:translateY(-2px);box-shadow:0 18px 34px rgba(37,99,235,.25);color:#fff}.main-btn.compact{padding:9px 16px;font-size:14px}.menu-button{border:1px solid rgba(255,255,255,.16);background:rgba(255,255,255,.06);width:42px;height:42px;border-radius:14px;padding:10px;display:flex;flex-direction:column;justify-content:center;gap:4px;cursor:pointer}.menu-button span{height:2px;background:#DCEAF7;border-radius:99px;display:block}.menu-button-mobile{display:none}.drawer-overlay{position:fixed;inset:0;background:rgba(3,15,28,.48);z-index:10000;backdrop-filter:blur(3px)}.site-drawer{position:fixed;right:0;top:0;height:100vh;width:min(390px,90vw);background:#10263A;z-index:10001;transform:translateX(102%);transition:transform .28s ease;box-shadow:-30px 0 70px rgba(0,0,0,.24);overflow-y:auto;padding:24px}.site-drawer.open{transform:translateX(0)}.drawer-head{display:flex;align-items:center;justify-content:space-between;color:#fff;font-weight:800;font-size:19px;margin-bottom:18px}.drawer-close{width:40px;height:40px;border:0;border-radius:12px;background:rgba(255,255,255,.08);color:#fff;font-size:28px;cursor:pointer}.drawer-nav{display:grid;grid-template-columns:1fr 1fr;gap:8px}.drawer-nav a{color:#DDEEFF;padding:10px 12px;border-radius:12px;background:rgba(255,255,255,.035)}.drawer-nav a:hover{background:rgba(56,189,248,.14);color:#fff}.drawer-note{margin-top:20px;padding:16px;border:1px solid rgba(56,189,248,.18);border-radius:16px;color:#AFC9DE;font-size:13px;background:rgba(56,189,248,.05)}
.container{width:min(1180px,calc(100% - 40px));margin:0 auto}.section{padding:78px 0}.section.tight{padding:48px 0}.section.alt-blue{background:linear-gradient(180deg,#EDF7FF,#F5F8FC)}.section.alt-mint{background:linear-gradient(180deg,#ECFCFA,#F5F8FC)}.section.deep-panel{background:#10283B;color:#DCEBFA}.section.deep-panel h2,.section.deep-panel h3{color:#fff}.kicker,.section-kicker{display:inline-flex;align-items:center;gap:8px;color:#0284C7;font-size:12px;font-weight:800;letter-spacing:.16em;text-transform:uppercase}.section-title{color:var(--title);font-size:clamp(28px,4vw,44px);line-height:1.2;margin:10px 0 16px}.section-lead{max-width:820px;color:var(--muted);font-size:17px}.eyebrow{color:#0284C7;font-weight:800;font-size:13px;letter-spacing:.12em}.hero{position:relative;overflow:hidden;padding:82px 0 68px;background:radial-gradient(circle at 85% 18%,rgba(56,189,248,.23),transparent 28%),radial-gradient(circle at 18% 75%,rgba(34,211,197,.13),transparent 25%),linear-gradient(145deg,#fff 0%,#EDF7FF 58%,#F2FAFF 100%)}.hero:before{content:"";position:absolute;inset:0;background-image:linear-gradient(rgba(23,43,77,.035) 1px,transparent 1px),linear-gradient(90deg,rgba(23,43,77,.035) 1px,transparent 1px);background-size:34px 34px;mask-image:linear-gradient(to bottom,rgba(0,0,0,.7),transparent)}.hero-grid{position:relative;display:grid;grid-template-columns:1.05fr .95fr;align-items:center;gap:56px}.hero h1{font-size:clamp(50px,7vw,82px);line-height:1.04;color:var(--title);margin:12px 0}.hero h2{font-size:clamp(22px,3vw,34px);line-height:1.36;color:var(--deep);margin:0 0 18px}.hero-copy p{font-size:16px;color:#52687B;max-width:700px}.hero-actions{display:flex;gap:14px;align-items:center;margin:28px 0}.text-link{font-weight:700}.mini-points{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px}.mini-points span{padding:8px 12px;border:1px solid var(--line);border-radius:999px;background:rgba(255,255,255,.68);color:#35516A;font-size:13px}.hero-visual{position:relative;padding:18px}.hero-visual:before{content:"";position:absolute;inset:8% 4%;border-radius:34px;background:linear-gradient(145deg,rgba(59,130,246,.12),rgba(34,211,197,.10));transform:rotate(-3deg)}.hero-visual img{position:relative;width:100%;object-fit:contain;border-radius:28px;box-shadow:0 28px 70px rgba(37,99,235,.16)}.hero-float{position:absolute;right:-6px;bottom:-16px;width:38%;border:8px solid rgba(255,255,255,.88);border-radius:28px;box-shadow:var(--shadow)}
.highlight-strip{position:relative;margin-top:-22px;z-index:2}.highlight-grid{display:grid;grid-template-columns:repeat(4,1fr);background:rgba(255,255,255,.9);border:1px solid rgba(59,130,246,.12);border-radius:22px;box-shadow:var(--shadow);overflow:hidden}.highlight-item{padding:24px 22px;border-right:1px solid rgba(59,130,246,.10)}.highlight-item:last-child{border-right:0}.highlight-item strong{display:block;color:var(--title);margin:3px 0 7px}.num{color:#38A9E9;font-size:12px;letter-spacing:.18em}.highlight-item p{font-size:13px;color:var(--muted);margin:0;line-height:1.65}.pill-nav{display:flex;flex-wrap:wrap;gap:12px}.pill{border:1px solid var(--line);border-radius:999px;background:rgba(255,255,255,.78);padding:10px 15px;display:flex;align-items:center;gap:8px;color:#31516A}.pill small{color:#7890A4}.feature-split{display:grid;grid-template-columns:1fr 1fr;gap:42px;align-items:center}.feature-split.reverse .feature-media{order:2}.feature-media img{width:100%;border-radius:26px;box-shadow:var(--shadow);object-fit:contain}.feature-copy{padding:14px 0}.feature-copy h2{font-size:clamp(30px,4vw,46px);color:var(--title);line-height:1.2;margin:8px 0 16px}.feature-copy p{color:var(--muted)}.service-points{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin:24px 0}.service-points div{padding:14px;border-radius:16px;background:#fff;border:1px solid var(--line)}.service-points strong{display:block;color:var(--deep);margin-bottom:3px}.duo-grid{display:grid;grid-template-columns:1.06fr .94fr;gap:22px}.zone-card{border:1px solid var(--line);box-shadow:var(--shadow);border-radius:26px;overflow:hidden;background:#fff}.zone-card.tint-blue{background:#EEF7FF}.zone-card.tint-mint{background:#E8FCFA}.zone-card .zone-body{padding:28px}.zone-card img{width:100%;max-height:430px;object-fit:contain}.zone-card h3{font-size:28px;color:var(--title);margin:4px 0 10px}.zone-card ul{padding-left:20px;color:var(--muted)}.zone-card p{color:var(--muted)}.plain-link{display:inline-flex;margin-top:7px;font-weight:750}.trio-grid{display:grid;grid-template-columns:1.1fr .9fr 1fr;gap:20px}.editorial-card,.notice-card,.device-card{border-radius:26px;overflow:hidden;border:1px solid var(--line)}.editorial-card{background:#fff}.notice-card{background:#122E45;color:#DCEBFA;padding:26px}.notice-card h3{color:#fff}.notice-line{display:grid;grid-template-columns:60px 1fr;gap:14px;padding:14px 0;border-top:1px solid rgba(255,255,255,.10)}.notice-line:first-of-type{border-top:0}.date-chip{font-weight:800;color:#73D8F7}.device-card{background:linear-gradient(160deg,#EEF7FF,#E8FCFA);padding:24px}.device-card img{max-height:300px;margin:0 auto;object-fit:contain}.security-wrap{display:grid;grid-template-columns:.9fr 1.1fr;gap:26px;align-items:center;background:#EAF5FF;border:1px solid rgba(59,130,246,.12);border-radius:30px;padding:30px}.security-images{display:grid;grid-template-columns:1fr 1fr;gap:14px}.security-images img{border-radius:20px;background:#fff;box-shadow:0 14px 34px rgba(29,78,119,.09);object-fit:contain}.security-list{display:grid;grid-template-columns:1fr 1fr;gap:12px}.security-list div{background:rgba(255,255,255,.72);border-radius:16px;padding:14px}.reviews{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.review-card{background:rgba(255,255,255,.9);border:1px solid var(--line);box-shadow:var(--shadow);border-radius:22px;padding:24px}.review-card:nth-child(2n){transform:translateY(12px)}.review-card p{margin:0;color:#486176}.review-card strong{display:block;margin-top:14px;color:#173E60}.faq-list{display:grid;gap:12px}.faq-item{background:#fff;border:1px solid var(--line);border-radius:18px;padding:20px 22px}.faq-item h3{margin:0;color:var(--title);font-size:18px}.faq-toggle{width:100%;display:flex;justify-content:space-between;text-align:left;background:transparent;border:0;padding:0;cursor:pointer;color:inherit;font:inherit}.faq-answer{margin-top:10px;color:var(--muted)}.faq-item.open{box-shadow:0 16px 34px rgba(29,78,119,.08)}.compliance-banner{display:grid;grid-template-columns:1.2fr .8fr;gap:24px;align-items:center;padding:30px;border-radius:28px;background:#122C43;color:#CFE1F0}.compliance-banner h2{color:#fff}.compliance-banner .rules{display:grid;gap:10px}.rule{padding:12px 14px;border-radius:14px;background:rgba(255,255,255,.07)}
.inner-hero{padding:68px 0 48px;background:linear-gradient(145deg,#fff,#EEF7FF)}.inner-hero-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:44px;align-items:center}.inner-hero h1{font-size:clamp(40px,6vw,68px);line-height:1.08;color:var(--title);margin:10px 0 16px}.inner-hero p{color:#607789;font-size:17px}.inner-hero img{width:100%;max-height:430px;object-fit:contain;border-radius:28px;box-shadow:var(--shadow)}.article-shell{padding:68px 0}.article-grid{display:grid;grid-template-columns:1.45fr .55fr;gap:34px}.article-main{display:grid;gap:22px}.article-section{background:#fff;border:1px solid var(--line);border-radius:24px;padding:28px;box-shadow:0 12px 34px rgba(29,78,119,.06)}.article-section h2{margin:0 0 12px;color:var(--title);font-size:27px}.article-section p{margin:0 0 13px;color:#526A7D}.article-section p:last-child{margin-bottom:0}.side-panel{display:grid;gap:14px;align-content:start;position:sticky;top:96px;height:max-content}.side-box{background:#EEF7FF;border:1px solid var(--line);border-radius:20px;padding:20px}.side-box h2{font-size:18px;margin:0 0 8px;color:var(--title)}.side-box ul{padding-left:18px;margin:8px 0;color:#607789}.side-image{border-radius:22px;box-shadow:var(--shadow);background:#fff}.tag-cloud{display:flex;flex-wrap:wrap;gap:8px}.tag-cloud span{padding:8px 11px;border-radius:999px;background:#EAF5FF;color:#246A9E;font-size:13px}.steps{counter-reset:step;display:grid;gap:14px}.step{counter-increment:step;display:grid;grid-template-columns:46px 1fr;gap:14px;align-items:start}.step:before{content:counter(step,decimal-leading-zero);display:flex;align-items:center;justify-content:center;width:44px;height:44px;border-radius:14px;background:#E7F4FF;color:#237CC0;font-weight:800}.message-stack{display:grid;gap:10px}.message-bubble{max-width:88%;padding:13px 16px;border-radius:18px;background:#EFF7FF;color:#486176}.message-bubble:nth-child(2n){margin-left:auto;background:#E6FBF8}.topic-list{display:grid;gap:10px}.topic-row{padding:15px;border-radius:16px;border:1px solid var(--line);background:#fff}.timeline{display:grid;gap:14px;border-left:2px solid #BFE5F8;padding-left:22px}.timeline-item{position:relative}.timeline-item:before{content:"";position:absolute;left:-30px;top:9px;width:12px;height:12px;border-radius:50%;background:#38BDF8;box-shadow:0 0 0 5px #EAF7FE}.layout-editorial .article-section:nth-child(2){background:#E8FCFA}.layout-profile .inner-hero{background:linear-gradient(145deg,#F4FAFF,#E8FCFA)}.layout-tags .article-section:nth-child(1){background:#EEF7FF}.layout-messages .article-main{grid-template-columns:1fr 1fr}.layout-messages .article-section:first-child{grid-column:1/-1}.layout-community .article-section:nth-child(2){background:#F0F4F8}.layout-magazine .article-grid{grid-template-columns:1fr}.layout-magazine .article-main{grid-template-columns:1.15fr .85fr}.layout-magazine .article-section:first-child{grid-row:span 2}.layout-timeline .article-section:first-child{background:#122C43;color:#DDEBF7}.layout-timeline .article-section:first-child h2{color:#fff}.layout-timeline .article-section:first-child p{color:#C7DBEA}.layout-device .inner-hero img{max-height:520px}.layout-security .article-section:nth-child(1),.layout-privacy .article-section:nth-child(2){background:#EEF7FF}.layout-help .article-main{grid-template-columns:1fr 1fr}.layout-help .article-section:first-child{grid-column:1/-1}.layout-contact .article-section:nth-child(1){background:#E8FCFA}.layout-calm .inner-hero{background:linear-gradient(145deg,#fff,#F0F4F8)}.layout-service .article-section:nth-child(2){background:#EEF7FF}.layout-story .article-section:nth-child(1){background:linear-gradient(145deg,#fff,#EEF7FF)}.layout-faq .article-grid{grid-template-columns:1fr}.layout-faq .faq-item{padding:22px 24px}.article-cta{display:flex;flex-wrap:wrap;gap:12px;margin-top:20px}.outline-btn{display:inline-flex;align-items:center;justify-content:center;border:1px solid rgba(37,99,235,.35);border-radius:999px;padding:11px 18px;font-weight:700;background:#fff;color:#2563EB}.site-footer{background:#0C1B2A;color:#EAF4FF;padding:58px 0 28px}.footer-inner{width:min(1180px,calc(100% - 40px));margin:0 auto;display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:36px}.footer-inner h2{font-size:15px;color:#fff;margin:4px 0 15px}.footer-inner section>a:not(.site-logo){display:block;color:#BBD2E5;padding:4px 0;font-size:14px}.footer-brand p{color:#AFC5D8;font-size:14px;max-width:430px}.footer-logo{margin-bottom:14px}.footer-bottom{width:min(1180px,calc(100% - 40px));margin:36px auto 0;padding-top:20px;border-top:1px solid rgba(255,255,255,.08);display:flex;justify-content:space-between;gap:18px;color:#8FAEC5;font-size:12px}.mobile-quick{display:none}
@media(max-width:980px){.nav-core{display:none}.menu-button-mobile{display:flex}.menu-button-desktop{display:none}.header-inner{min-height:66px}.site-logo{position:absolute;left:50%;transform:translateX(-50%)}.site-logo strong{display:none}.hero-grid,.feature-split,.inner-hero-grid,.security-wrap,.article-grid{grid-template-columns:1fr}.hero{padding-top:58px}.hero-visual{max-width:680px;margin:auto}.highlight-grid{grid-template-columns:1fr 1fr}.highlight-item:nth-child(2){border-right:0}.highlight-item:nth-child(-n+2){border-bottom:1px solid rgba(59,130,246,.10)}.trio-grid{grid-template-columns:1fr 1fr}.trio-grid>*:last-child{grid-column:1/-1}.reviews{grid-template-columns:1fr 1fr}.footer-inner{grid-template-columns:1.3fr 1fr 1fr}.footer-brand{grid-column:1/-1}.article-grid{display:block}.side-panel{position:static;margin-top:22px;grid-template-columns:1fr 1fr}.layout-messages .article-main,.layout-magazine .article-main,.layout-help .article-main{grid-template-columns:1fr}.layout-messages .article-section:first-child,.layout-help .article-section:first-child{grid-column:auto}.layout-magazine .article-section:first-child{grid-row:auto}.mobile-quick{display:flex;position:fixed;left:12px;right:12px;bottom:10px;z-index:9000;background:rgba(12,27,42,.94);backdrop-filter:blur(14px);border:1px solid rgba(255,255,255,.08);border-radius:18px;padding:8px;justify-content:space-around;box-shadow:0 16px 38px rgba(7,28,47,.22)}.mobile-quick a{color:#DCEAF7;padding:7px 11px;font-size:12px}body{padding-bottom:74px}.site-footer{padding-bottom:90px}}
@media(max-width:700px){.container{width:min(100% - 28px,1180px)}.header-inner{padding:0 14px}.main-btn.compact{padding:8px 12px;font-size:12px}.hero h1{font-size:48px}.hero h2{font-size:23px}.hero-grid{gap:28px}.hero-float{position:relative;width:58%;margin:-44px 0 0 auto;right:0;bottom:0}.highlight-grid,.duo-grid,.trio-grid,.reviews,.service-points,.security-list,.security-images,.footer-inner,.side-panel{grid-template-columns:1fr}.highlight-item{border-right:0;border-bottom:1px solid rgba(59,130,246,.10)}.highlight-item:last-child{border-bottom:0}.duo-grid{gap:16px}.feature-split{gap:24px}.feature-split.reverse .feature-media{order:0}.section{padding:58px 0}.inner-hero{padding:48px 0 36px}.inner-hero-grid{gap:24px}.inner-hero h1{font-size:42px}.article-shell{padding:46px 0}.article-section{padding:22px}.reviews .review-card:nth-child(2n){transform:none}.footer-bottom{flex-direction:column}.drawer-nav{grid-template-columns:1fr 1fr}.compliance-banner{grid-template-columns:1fr}.hero-actions{align-items:flex-start;flex-direction:column}.trio-grid>*:last-child{grid-column:auto}.pill{width:100%;justify-content:space-between}.zone-card h3{font-size:25px}}
@media(max-width:420px){.drawer-nav{grid-template-columns:1fr}.site-drawer{padding:20px}.site-logo img{max-width:38px;max-height:38px}.menu-button{width:38px;height:38px}.main-btn.compact{max-width:102px}.hero h1{font-size:42px}.hero-visual{padding:6px}.section-title{font-size:31px}}