:root{--bg:#F5F8FC;--nav:rgba(10,24,42,.94);--title:#102033;--blue:#3B82F6;--deep:#172B4D;--ice:#38BDF8;--cyan:#22D3C5;--indigo:#6366F1;--soft:#E9F5FF;--mint:#E8FCFA;--muted:#F0F4F8;--accent:#2563EB;--text:#263748;--sub:#657789;--hint:#8C9AAA;--card:#fff;--dark:#12253A;--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}body{margin:0;background:var(--bg);color:var(--text);font-family:"PingFang SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;line-height:1.75;overflow-x:hidden}a{color:inherit}img{max-width:100%;height:auto}button,input{font:inherit}.site-main{min-height:60vh}.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:18px}.site-logo{display:inline-flex;align-items:center;gap:10px;color:#fff;text-decoration:none;white-space:nowrap}.site-logo img{max-height:44px;width:auto;display:block}.site-logo strong{font-size:18px;letter-spacing:.02em}.nav-core{display:flex;align-items:center;gap:8px}.nav-core a{color:#DCEAF7;text-decoration:none;border-radius:999px;padding:8px 12px;font-size:15px}.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;gap:8px;background:linear-gradient(135deg,#2563EB 0%,#3B82F6 48%,#22D3C5 100%);color:#fff;text-decoration:none;border-radius:999px;box-shadow:0 14px 32px rgba(37,99,235,.20);padding:12px 22px;font-weight:700;border:0;transition:transform .2s ease,box-shadow .2s ease}.main-btn:hover{transform:translateY(-2px);box-shadow:0 18px 38px rgba(37,99,235,.25)}.main-btn:focus-visible,.text-link:focus-visible,.nav-core a:focus-visible,.menu-toggle:focus-visible{outline:3px solid rgba(56,189,248,.45);outline-offset:3px}.main-btn.compact{padding:9px 17px;font-size:14px}.menu-toggle{width:42px;height:42px;border:1px solid rgba(255,255,255,.16);border-radius:14px;background:rgba(255,255,255,.06);display:flex;flex-direction:column;align-items:center;justify-content:center;gap:4px;cursor:pointer}.menu-toggle span{display:block;width:18px;height:2px;border-radius:999px;background:#EAF4FF}.mobile-menu-toggle{display:none}.drawer-mask{position:fixed;inset:0;background:rgba(5,15,28,.42);backdrop-filter:blur(3px);z-index:10000;opacity:0;pointer-events:none;transition:.25s}.drawer-mask.show{opacity:1;pointer-events:auto}.site-drawer{position:fixed;z-index:10001;top:0;right:0;width:min(390px,88vw);height:100dvh;background:#0C1B2A;color:#EAF4FF;transform:translateX(105%);transition:transform .28s ease;box-shadow:-30px 0 70px rgba(0,0,0,.18);overflow-y:auto;padding:22px}.site-drawer.open{transform:none}.drawer-open{overflow:hidden}.drawer-head{display:flex;align-items:center;justify-content:space-between;padding-bottom:18px;border-bottom:1px solid rgba(255,255,255,.1)}.drawer-brand{display:flex;align-items:center;gap:10px;text-decoration:none;font-weight:800}.drawer-brand img{height:38px;width:auto}.drawer-close{border:1px solid rgba(255,255,255,.14);background:rgba(255,255,255,.06);color:#fff;border-radius:12px;width:40px;height:40px;font-size:26px;cursor:pointer}.drawer-nav{display:grid;grid-template-columns:1fr 1fr;gap:8px;margin-top:18px}.drawer-nav a{text-decoration:none;color:#DCEAF7;padding:11px 12px;border-radius:12px;background:rgba(255,255,255,.035)}.drawer-nav a:hover{background:rgba(56,189,248,.12);color:#fff}.container{width:min(var(--max),calc(100% - 40px));margin-inline:auto}.section{padding:84px 0}.section.compact{padding:56px 0}.section-kicker{display:inline-flex;align-items:center;gap:8px;color:#0284C7;font-size:12px;font-weight:800;letter-spacing:.14em;text-transform:uppercase}.section-kicker:before{content:"";width:22px;height:2px;background:linear-gradient(90deg,var(--accent),var(--cyan));border-radius:99px}.section-title,h1,h2,h3{color:var(--title);line-height:1.25;margin-top:0}.section-title{font-size:clamp(30px,4vw,48px);margin:10px 0 18px}.section-lead{max-width:760px;color:var(--sub);font-size:17px}.hero{position:relative;overflow:hidden;padding:78px 0 64px;background:radial-gradient(circle at 78% 20%,rgba(56,189,248,.23),transparent 24%),radial-gradient(circle at 18% 18%,rgba(99,102,241,.10),transparent 25%),linear-gradient(135deg,#fbfdff 0%,#edf7ff 48%,#eefcf9 100%)}.hero:before{content:"";position:absolute;inset:0;opacity:.35;background-image:linear-gradient(rgba(37,99,235,.06) 1px,transparent 1px),linear-gradient(90deg,rgba(37,99,235,.06) 1px,transparent 1px);background-size:44px 44px;mask-image:linear-gradient(to bottom,#000,transparent 80%)}.hero-grid{position:relative;display:grid;grid-template-columns:1.02fr .98fr;align-items:center;gap:54px}.hero h1{font-size:clamp(48px,7vw,84px);letter-spacing:-.04em;margin:12px 0 16px}.hero-subtitle{font-size:clamp(22px,3vw,34px);font-weight:700;color:var(--deep);margin:0 0 18px}.hero-copy{font-size:17px;color:var(--sub);max-width:690px}.hero-actions{display:flex;flex-wrap:wrap;align-items:center;gap:16px;margin:28px 0}.text-link{color:var(--accent);text-decoration:none;font-weight:700}.text-link:hover{text-decoration:underline}.hero-points{display:flex;gap:10px;flex-wrap:wrap}.hero-points span,.pill{display:inline-flex;align-items:center;padding:8px 12px;border-radius:999px;background:rgba(255,255,255,.72);border:1px solid rgba(59,130,246,.14);color:var(--deep);font-size:13px}.hero-visual{position:relative;min-height:490px;display:grid;place-items:center}.hero-visual .hero-main{width:min(100%,590px);border-radius:32px;box-shadow:0 30px 70px rgba(41,87,130,.18);background:#fff;padding:12px}.hero-visual .float-img{position:absolute;width:31%;right:-2%;bottom:0;border-radius:24px;background:#fff;padding:8px;box-shadow:var(--shadow)}.hero-visual .float-tag{position:absolute;left:-3%;top:12%;padding:12px 16px;border-radius:16px;background:rgba(255,255,255,.86);border:1px solid rgba(255,255,255,.9);backdrop-filter:blur(16px);box-shadow:var(--shadow);font-size:13px;color:var(--deep)}.service-strip{background:#0F2740;color:#EAF4FF}.service-strip-grid{display:grid;grid-template-columns:repeat(4,1fr);max-width:var(--max);margin:auto}.strip-item{padding:28px 24px;border-right:1px solid rgba(255,255,255,.08)}.strip-item:last-child{border-right:0}.strip-index{font-size:11px;color:#79D7FA;font-weight:800;letter-spacing:.16em}.strip-item h2{color:#fff;font-size:18px;margin:7px 0}.strip-item p{margin:0;color:#BCD0E1;font-size:14px}.channel-pills{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px}.channel-pill{min-width:170px;flex:1 1 200px;max-width:285px;text-decoration:none;padding:15px 17px;border-radius:20px;background:rgba(255,255,255,.75);border:1px solid rgba(59,130,246,.13);box-shadow:0 8px 28px rgba(29,78,119,.06);transition:.2s}.channel-pill:hover{transform:translateY(-3px);border-color:rgba(37,99,235,.28)}.channel-pill strong{display:block;color:var(--deep);margin-bottom:4px}.channel-pill small{display:block;color:var(--sub);line-height:1.55}.editorial-grid{display:grid;grid-template-columns:1.04fr .96fr;gap:44px;align-items:center}.editorial-grid.reverse{grid-template-columns:.92fr 1.08fr}.editorial-grid.reverse .media{order:2}.media img,.content-img{display:block;width:100%;height:auto;object-fit:contain;border-radius:26px;box-shadow:var(--shadow)}.media-stack{position:relative;padding:20px}.media-stack:before{content:"";position:absolute;inset:0 12% 8% 0;background:linear-gradient(145deg,#E8FCFA,#E9F5FF);border-radius:32px;z-index:-1}.copy p{color:var(--sub)}.copy ul{padding-left:20px}.copy li{margin:7px 0}.numbered-features{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:28px}.numbered-feature{padding:22px;border-radius:22px;background:#fff;border:1px solid var(--border);box-shadow:0 12px 35px rgba(29,78,119,.07)}.numbered-feature b{display:block;color:var(--accent);font-size:12px;letter-spacing:.1em}.numbered-feature h3{font-size:18px;margin:8px 0}.numbered-feature p{font-size:14px;color:var(--sub);margin:0}.duo{display:grid;grid-template-columns:1fr 1fr;gap:22px}.duo-panel{border-radius:30px;padding:30px;overflow:hidden}.duo-panel.blue{background:linear-gradient(160deg,#F8FCFF,#E9F5FF)}.duo-panel.mint{background:linear-gradient(160deg,#FBFFFE,#E8FCFA)}.duo-panel.dark{background:linear-gradient(160deg,#173654,#102B45);color:#EAF4FF}.duo-panel.dark h2,.duo-panel.dark h3{color:#fff}.duo-panel img{margin:18px 0;border-radius:22px}.duo-panel p{color:var(--sub)}.duo-panel.dark p{color:#C4D7E6}.service-list{display:grid;gap:10px;margin:18px 0}.service-list div{padding:12px 14px;border-radius:14px;background:rgba(255,255,255,.72);border:1px solid rgba(59,130,246,.12)}.duo-panel.dark .service-list div{background:rgba(255,255,255,.06);border-color:rgba(255,255,255,.09)}.tri-grid{display:grid;grid-template-columns:1.1fr .9fr 1fr;gap:20px}.zone-card,.info-card,.review-card,.card{background:rgba(255,255,255,.90);border:1px solid var(--border);box-shadow:var(--shadow);border-radius:22px}.zone-card{padding:24px}.zone-card img{border-radius:18px;margin-bottom:16px}.zone-card p,.info-card p,.review-card p{color:var(--sub)}.zone-card.timeline{background:#102B45;color:#EAF4FF}.zone-card.timeline h3{color:#fff}.zone-card.timeline p{color:#C9D9E6}.timeline-list{display:grid;gap:12px}.timeline-row{display:grid;grid-template-columns:54px 1fr;gap:12px}.timeline-row time{color:#78D7F8;font-size:12px;font-weight:800}.security-band{background:linear-gradient(135deg,#E9F5FF 0%,#F6FBFF 55%,#E8FCFA 100%)}.security-grid{display:grid;grid-template-columns:1fr 1fr;gap:26px}.security-card{display:grid;grid-template-columns:160px 1fr;gap:22px;align-items:center;background:rgba(255,255,255,.72);padding:22px;border-radius:28px;border:1px solid rgba(59,130,246,.14)}.security-card img{border-radius:20px}.reviews{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;align-items:start}.review-card{padding:24px}.review-card:nth-child(2),.review-card:nth-child(5){transform:translateY(18px)}.review-mark{font-size:38px;line-height:1;color:var(--ice)}.review-meta{font-size:12px;color:var(--hint);margin-top:15px}.faq-list{display:grid;gap:12px;margin-top:28px}.faq-item{background:#fff;border:1px solid var(--border);border-radius:18px;overflow:hidden}.faq-item button{width:100%;text-align:left;background:none;border:0;padding:18px 20px;font-weight:800;color:var(--deep);cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:20px}.faq-item button:after{content:"+";font-size:22px;color:var(--accent)}.faq-item.expanded button:after{content:"−"}.faq-answer{padding:0 20px 18px;color:var(--sub)}.js .faq-answer{display:none}.js .faq-item.expanded .faq-answer{display:block}.notice-box{padding:30px;border-radius:26px;background:#12253A;color:#D9E8F4}.notice-box h2{color:#fff}.notice-box a{color:#80DBFA}.page-hero{position:relative;padding:72px 0 46px;background:linear-gradient(145deg,#FAFDFF,#EDF7FF 58%,#F1FFFC);overflow:hidden}.page-hero:after{content:"";position:absolute;width:380px;height:380px;border-radius:50%;right:-120px;top:-190px;background:rgba(56,189,248,.17);filter:blur(4px)}.page-hero-grid{position:relative;z-index:1;display:grid;grid-template-columns:1.05fr .95fr;gap:44px;align-items:center}.page-hero h1{font-size:clamp(40px,5vw,64px);margin:10px 0 18px}.page-hero p{font-size:17px;color:var(--sub)}.page-hero img{border-radius:30px;box-shadow:var(--shadow)}.breadcrumb{display:flex;gap:8px;align-items:center;font-size:13px;color:var(--hint)}.breadcrumb a{text-decoration:none;color:var(--accent)}.content-shell{width:min(1100px,calc(100% - 40px));margin-inline:auto}.prose{font-size:16px;color:var(--text)}.prose p{margin:0 0 18px;color:#44586B}.prose h2{font-size:30px;margin:42px 0 14px}.prose h3{font-size:20px;margin:26px 0 10px}.info-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin:26px 0}.info-card{padding:22px}.info-card h3{font-size:18px}.feature-band{padding:32px;border-radius:30px;background:linear-gradient(135deg,#12253A,#1A4666);color:#EAF4FF;margin:32px 0}.feature-band h2,.feature-band h3{color:#fff}.feature-band p{color:#C3D7E6}.tag-cloud{display:flex;flex-wrap:wrap;gap:10px;margin:20px 0}.tag-cloud span{padding:9px 13px;border-radius:999px;background:#EEF7FF;border:1px solid var(--border);color:var(--deep);font-size:14px}.steps{counter-reset:steps;display:grid;gap:16px;margin:28px 0}.step{position:relative;padding:22px 22px 22px 72px;background:#fff;border:1px solid var(--border);border-radius:20px}.step:before{counter-increment:steps;content:counter(steps,decimal-leading-zero);position:absolute;left:20px;top:19px;font-weight:900;color:var(--accent);font-size:20px}.step h3{margin:0 0 6px}.timeline-page{position:relative;margin:30px 0;padding-left:32px}.timeline-page:before{content:"";position:absolute;left:9px;top:6px;bottom:6px;width:2px;background:linear-gradient(var(--accent),var(--cyan))}.timeline-entry{position:relative;padding:0 0 26px 20px}.timeline-entry:before{content:"";position:absolute;left:-30px;top:6px;width:12px;height:12px;border-radius:50%;background:#fff;border:3px solid var(--accent)}.dialogue-layout{display:grid;grid-template-columns:.84fr 1.16fr;gap:24px;align-items:start}.message-preview{background:#102B45;border-radius:30px;padding:26px;color:#EAF4FF;position:sticky;top:100px}.bubble{max-width:86%;padding:12px 14px;border-radius:16px;margin:12px 0;background:rgba(255,255,255,.08);color:#DDEBF5}.bubble.me{margin-left:auto;background:rgba(56,189,248,.14);color:#fff}.directory-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}.directory-card{padding:24px;border-radius:22px;background:#fff;border:1px solid var(--border)}.directory-card h3{margin-bottom:8px}.callout{padding:22px 24px;border-left:4px solid var(--accent);background:#EEF7FF;border-radius:0 18px 18px 0;margin:28px 0}.article-media{margin:30px 0}.article-media img{width:100%;max-height:620px;object-fit:contain;border-radius:26px;box-shadow:var(--shadow)}.about-strip{display:grid;grid-template-columns:1.05fr .95fr;gap:26px;align-items:center}.about-strip .copy{padding:10px}.mini-stat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;margin-top:22px}.mini-stat{padding:16px;border-radius:16px;background:#fff;border:1px solid var(--border)}.mini-stat strong{display:block;color:var(--accent);font-size:22px}.site-footer{background:#0C1B2A;color:#EAF4FF;padding:58px 0 0}.footer-inner{width:min(var(--max),calc(100% - 40px));margin:auto;display:grid;grid-template-columns:1.5fr repeat(3,1fr);gap:32px}.footer-brand p{color:#BFD1DF;max-width:430px}.footer-logo{margin-bottom:14px}.footer-col{display:grid;align-content:start;gap:8px}.footer-col h2{font-size:15px;color:#fff;margin-bottom:8px}.footer-col a{font-size:14px;color:#BFD1DF;text-decoration:none}.footer-col a:hover{color:#fff}.footer-bottom{margin-top:42px;border-top:1px solid rgba(255,255,255,.08);padding:20px max(20px,calc((100vw - var(--max))/2));display:flex;justify-content:space-between;gap:24px;color:#92AABD;font-size:12px}.footer-bottom p{margin:0;max-width:720px}.mobile-bottom-nav{display:none}
@media(max-width:1050px){.nav-core{display:none}.desktop-menu-toggle{display:flex}.mobile-menu-toggle{display:none}.hero-grid,.page-hero-grid,.editorial-grid,.editorial-grid.reverse{grid-template-columns:1fr;gap:32px}.editorial-grid.reverse .media{order:initial}.hero-visual{min-height:auto}.hero-visual .float-tag{left:2%}.tri-grid{grid-template-columns:1fr 1fr}.tri-grid .zone-card:last-child{grid-column:span 2}.reviews{grid-template-columns:repeat(2,1fr)}.security-grid{grid-template-columns:1fr}.footer-inner{grid-template-columns:1.6fr 1fr 1fr}.footer-col:last-child{grid-column:2 / span 2}.dialogue-layout{grid-template-columns:1fr}.message-preview{position:relative;top:auto}}
@media(max-width:760px){body{padding-bottom:70px}.header-inner{padding:0 14px;min-height:64px;position:relative}.site-logo{position:absolute;left:50%;transform:translateX(-50%)}.mobile-menu-toggle{display:flex}.desktop-menu-toggle{display:none}.site-logo strong{display:none}.site-logo img{max-height:38px}.header-actions .main-btn{padding:8px 13px;font-size:12px}.section{padding:60px 0}.section.compact{padding:42px 0}.container,.content-shell{width:min(100% - 28px,var(--max))}.hero{padding:54px 0 46px}.hero h1{font-size:48px}.hero-subtitle{font-size:23px}.hero-copy,.page-hero p{font-size:15px}.hero-visual .float-img{position:relative;width:42%;margin:-60px 0 0 auto;right:auto;bottom:auto}.service-strip-grid{grid-template-columns:1fr 1fr}.strip-item{border-bottom:1px solid rgba(255,255,255,.08)}.strip-item:nth-child(2n){border-right:0}.numbered-features,.info-grid{grid-template-columns:1fr}.duo,.security-grid,.directory-grid{grid-template-columns:1fr}.tri-grid{grid-template-columns:1fr}.tri-grid .zone-card:last-child{grid-column:auto}.security-card{grid-template-columns:1fr}.security-card img{max-width:220px}.reviews{grid-template-columns:1fr}.review-card:nth-child(2),.review-card:nth-child(5){transform:none}.page-hero{padding:50px 0 34px}.page-hero h1{font-size:40px}.mini-stat-grid{grid-template-columns:1fr 1fr}.footer-inner{grid-template-columns:1fr 1fr}.footer-brand{grid-column:1 / -1}.footer-col:last-child{grid-column:auto}.footer-bottom{flex-direction:column}.mobile-bottom-nav{position:fixed;left:10px;right:10px;bottom:10px;z-index:9998;display:grid;grid-template-columns:repeat(4,1fr);background:rgba(12,27,42,.94);backdrop-filter:blur(14px);border:1px solid rgba(255,255,255,.08);border-radius:18px;padding:7px 6px;box-shadow:0 12px 38px rgba(0,0,0,.22)}.mobile-bottom-nav a{display:flex;flex-direction:column;align-items:center;gap:2px;color:#DCEAF7;text-decoration:none;font-size:11px}.mobile-bottom-nav span{font-size:17px}.drawer-nav{grid-template-columns:1fr}.site-drawer{left:0;right:auto;transform:translateX(-105%)}.site-drawer.open{transform:none}}
@media(max-width:460px){.hero h1{font-size:42px}.hero-points span{font-size:12px}.service-strip-grid{grid-template-columns:1fr}.strip-item{border-right:0}.hero-actions{align-items:stretch}.hero-actions .main-btn{width:100%}.footer-inner{grid-template-columns:1fr}.mini-stat-grid{grid-template-columns:1fr 1fr}}
