:root{--bg:#F5F8FC;--nav:rgba(10,24,42,.94);--title:#102033;--brand:#3B82F6;--deep:#172B4D;--ice:#38BDF8;--cyan:#22D3C5;--violet:#6366F1;--light:#E9F5FF;--mint:#E8FCFA;--soft:#F0F4F8;--highlight:#2563EB;--text:#263748;--muted:#657789;--subtle:#8C9AAA;--white:#fff;--card:#fff;--dark:#12253A;--border:rgba(59,130,246,.14);--shadow:0 20px 50px rgba(29,78,119,.10);--grad:linear-gradient(135deg,#2563EB 0%,#3B82F6 48%,#22D3C5 100%);--radius:24px;--max:1240px}*{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:var(--highlight);text-decoration:none}a:hover{text-decoration:none}img{max-width:100%;height:auto}.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:flex;align-items:center;gap:10px;color:#fff;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;padding:8px 12px;border-radius:999px;font-size:15px;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}.main-btn,.secondary-btn{display:inline-flex;align-items:center;justify-content:center;min-height:48px;padding:0 22px;border-radius:999px;font-weight:700;transition:.2s ease}.main-btn{background:var(--grad);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,.26)}.main-btn:focus-visible,.secondary-btn:focus-visible,a:focus-visible,button:focus-visible{outline:3px solid rgba(56,189,248,.35);outline-offset:3px}.compact{min-height:42px;padding:0 18px;font-size:14px}.secondary-btn{color:var(--highlight);border:1px solid rgba(37,99,235,.24);background:#fff}.menu-toggle{border:0;background:transparent;display:flex;flex-direction:column;gap:5px;padding:10px;cursor:pointer}.menu-toggle span{width:22px;height:2px;background:#DCEAF7;border-radius:99px}.mobile-menu{display:none}.site-drawer{position:fixed;z-index:10002;top:0;right:0;width:min(380px,88vw);height:100vh;background:#fff;transform:translateX(105%);transition:transform .24s ease;box-shadow:-24px 0 60px rgba(10,35,60,.18);padding:24px;overflow-y:auto}.site-drawer.open{transform:translateX(0)}.drawer-mask{position:fixed;z-index:10001;inset:0;background:rgba(5,18,32,.45);opacity:0;transition:opacity .22s}.drawer-mask.show{opacity:1}.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:20px;color:var(--title);font-size:20px}.drawer-close{font-size:34px;line-height:1;border:0;background:transparent;color:var(--deep);cursor:pointer}.drawer-links{display:grid;grid-template-columns:1fr 1fr;gap:8px}.drawer-links a{padding:10px 12px;border-radius:14px;background:var(--soft);color:var(--deep)}.drawer-links a:hover{background:var(--light)}.drawer-note{margin-top:20px;padding:16px;border-radius:18px;background:var(--mint);color:#35515f;font-size:13px}.container{width:min(var(--max),calc(100% - 40px));margin:0 auto}.section{padding:86px 0}.section-sm{padding:56px 0}.section-alt{background:linear-gradient(180deg,rgba(233,245,255,.72),rgba(232,252,250,.38))}.section-deep{background:linear-gradient(135deg,#102b44,#173c56);color:#eaf5ff}.section-deep h2,.section-deep h3{color:#fff}.section-head{display:flex;align-items:end;justify-content:space-between;gap:24px;margin-bottom:34px}.section-kicker,.eyebrow{display:inline-flex;color:#0284C7;font-weight:800;letter-spacing:.14em;font-size:12px;text-transform:uppercase;margin-bottom:10px}.section-title,h1,h2,h3{color:var(--title);line-height:1.22;margin-top:0}.section-title{font-size:clamp(30px,4vw,48px);margin-bottom:12px}.section-desc{max-width:760px;color:var(--muted);margin:0}.hero{position:relative;overflow:hidden;padding:78px 0 56px;background:radial-gradient(circle at 86% 16%,rgba(56,189,248,.24),transparent 28%),radial-gradient(circle at 12% 40%,rgba(99,102,241,.10),transparent 26%),linear-gradient(135deg,#fdfefe 0%,#edf7ff 50%,#ebfbf8 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,black,transparent 85%);pointer-events:none}.hero-grid{position:relative;z-index:1;display:grid;grid-template-columns:1.02fr .98fr;gap:54px;align-items:center}.hero h1{font-size:clamp(52px,7vw,86px);letter-spacing:-.04em;margin-bottom:12px}.hero-subtitle{font-size:clamp(22px,3vw,34px);color:var(--deep);font-weight:800;margin:0 0 18px}.hero-copy{font-size:17px;color:#4e6274;max-width:720px}.hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin:28px 0}.hero-points{display:flex;gap:10px;flex-wrap:wrap}.hero-points span,.pill{display:inline-flex;align-items:center;gap:8px;padding:8px 13px;background:rgba(255,255,255,.78);border:1px solid rgba(59,130,246,.14);border-radius:999px;color:#35515f;font-size:14px;backdrop-filter:blur(8px)}.hero-visual{position:relative;min-height:520px}.hero-visual .hero-main{width:100%;border-radius:30px;box-shadow:0 30px 70px rgba(20,67,105,.18);background:#fff}.hero-visual .float-img{position:absolute;width:37%;right:-3%;bottom:-4%;border-radius:24px;background:#fff;padding:8px;box-shadow:var(--shadow)}.hero-number{position:absolute;left:-18px;top:18px;font-size:86px;font-weight:900;color:rgba(37,99,235,.08);line-height:1}.feature-strip{margin-top:24px;border-top:1px solid rgba(37,99,235,.12);border-bottom:1px solid rgba(37,99,235,.12);background:rgba(255,255,255,.58);backdrop-filter:blur(8px)}.feature-strip .container{display:grid;grid-template-columns:repeat(4,1fr)}.feature-item{padding:22px 20px;position:relative}.feature-item:not(:last-child):after{content:"";position:absolute;right:0;top:22%;height:56%;width:1px;background:rgba(37,99,235,.14)}.feature-item strong{display:block;color:var(--deep);font-size:16px;margin-bottom:5px}.feature-item p{margin:0;color:var(--muted);font-size:13px;line-height:1.6}.channel-pills{display:flex;flex-wrap:wrap;gap:12px}.channel-pill{flex:1 1 210px;padding:16px 18px;border-radius:22px;background:rgba(255,255,255,.76);border:1px solid var(--border)}.channel-pill:nth-child(3n+2){background:rgba(232,252,250,.78)}.channel-pill:nth-child(4n){background:rgba(240,244,248,.92)}.channel-pill strong{display:block;color:var(--title);margin-bottom:4px}.channel-pill span{display:block;color:var(--muted);font-size:13px}.channel-pill a{font-size:13px;font-weight:700}.editorial-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:48px;align-items:center}.media-stack{position:relative}.content-img{width:100%;border-radius:26px;box-shadow:var(--shadow);display:block;object-fit:contain}.media-stack .mini{position:absolute;width:38%;left:-24px;bottom:-30px;border:8px solid #fff}.copy p{color:#506577;margin:0 0 14px}.copy .lead{font-size:18px;color:#33495c}.metric-row{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-top:24px}.metric{padding:16px;border-radius:18px;background:var(--light);border:1px solid var(--border)}.metric strong{display:block;color:var(--highlight);font-size:22px}.metric span{font-size:13px;color:var(--muted)}.two-col{display:grid;grid-template-columns:1fr 1fr;gap:28px}.three-col{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}.card,.zone-card,.info-card,.review-card{background:rgba(255,255,255,.90);border:1px solid var(--border);box-shadow:var(--shadow);border-radius:22px}.zone-card{overflow:hidden}.zone-card .card-body{padding:28px}.zone-card img{display:block;width:100%;height:auto;object-fit:contain;background:#eef6fb}.tone-blue{background:linear-gradient(160deg,#fff,#edf7ff)}.tone-mint{background:linear-gradient(160deg,#fff,#ecfcf8)}.tone-slate{background:linear-gradient(160deg,#fff,#f0f4f8)}.tone-deep{background:linear-gradient(145deg,#102a42,#173c56);color:#eaf4ff}.tone-deep h2,.tone-deep h3,.tone-deep strong{color:#fff}.tone-deep p,.tone-deep li{color:#cfe0ee}.number-label{font-weight:900;font-size:12px;letter-spacing:.16em;color:var(--ice)}.service-points{display:grid;gap:10px;margin:18px 0 0;padding:0;list-style:none}.service-points li{padding:10px 12px;background:rgba(255,255,255,.62);border:1px solid rgba(59,130,246,.12);border-radius:14px;color:#486073}.text-link{display:inline-block;margin-top:14px;font-weight:800;color:var(--highlight)}.magazine-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:24px}.magazine-main{padding:34px;border-radius:28px;background:linear-gradient(145deg,#102b44,#1d4d67);color:#eaf5ff;min-height:100%}.magazine-main h2,.magazine-main h3{color:#fff}.magazine-main img{border-radius:22px;margin:18px 0}.magazine-side{display:grid;gap:20px}.magazine-note{padding:24px;border-radius:24px;background:#fff;border:1px solid var(--border)}.topic-cloud{display:flex;flex-wrap:wrap;gap:10px;margin:18px 0}.topic-cloud span{padding:8px 13px;border-radius:999px;background:var(--light);border:1px solid var(--border);font-size:14px}.timeline{display:grid;gap:14px}.timeline article{display:grid;grid-template-columns:82px 1fr;gap:16px;align-items:start;padding:18px;border-bottom:1px solid rgba(59,130,246,.12)}.timeline .date{font-weight:900;color:var(--highlight);font-size:20px}.app-showcase{display:grid;grid-template-columns:.78fr 1.22fr;gap:42px;align-items:center}.phone-stage{padding:26px;border-radius:34px;background:linear-gradient(135deg,#dff3ff,#e6fbf7);text-align:center}.phone-stage img{max-height:580px}.step-list{counter-reset:step;display:grid;gap:16px}.step-list article{counter-increment:step;position:relative;padding:20px 20px 20px 72px;border-radius:20px;background:#fff;border:1px solid var(--border)}.step-list article:before{content:counter(step,decimal-leading-zero);position:absolute;left:20px;top:18px;font-size:20px;font-weight:900;color:var(--highlight)}.security-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px}.security-card{padding:26px;border-radius:26px;background:rgba(255,255,255,.84);border:1px solid rgba(59,130,246,.16)}.security-card img{border-radius:20px;margin-bottom:18px}.review-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.review-card{padding:24px}.review-card:nth-child(2n){transform:translateY(14px)}.review-card p{margin:0;color:#455d70}.review-card strong{display:block;margin-top:16px;color:var(--deep)}.faq-list{display:grid;gap:12px}.faq-list details{background:#fff;border:1px solid var(--border);border-radius:18px;padding:0 20px;box-shadow:0 10px 30px rgba(29,78,119,.06)}.faq-list summary{cursor:pointer;font-weight:800;color:var(--title);padding:18px 0}.faq-list p{padding:0 0 18px;margin:0;color:var(--muted)}.notice-band{padding:30px;border-radius:28px;background:linear-gradient(135deg,#e7f5ff,#e8fcfa);border:1px solid var(--border)}.notice-band h2{font-size:28px;margin-bottom:12px}.page-hero{padding:68px 0 44px;background:radial-gradient(circle at 90% 10%,rgba(56,189,248,.22),transparent 28%),linear-gradient(135deg,#fbfdff,#eff8ff)}.page-hero-grid{display:grid;grid-template-columns:1fr .82fr;gap:44px;align-items:center}.page-hero h1{font-size:clamp(40px,6vw,66px);margin-bottom:16px}.page-hero p{font-size:17px;color:#52697a}.page-hero img{border-radius:30px;box-shadow:var(--shadow);background:#fff}.page-intro{font-size:18px;color:#42586a}.story-grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:34px}.story-card{padding:30px;border-radius:28px;background:#fff;border:1px solid var(--border)}.story-card:nth-child(2){background:var(--mint)}.story-card:nth-child(3){background:var(--light)}.story-card:nth-child(4){background:var(--soft)}.content-list{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}.content-list article{padding:24px;border-radius:22px;background:#fff;border:1px solid var(--border)}.content-list article:nth-child(3n+2){background:var(--light)}.content-list article:nth-child(4n){background:var(--mint)}.support-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.support-card{padding:24px;border-radius:22px;background:#fff;border:1px solid var(--border)}.support-card h3{margin-bottom:10px}.site-footer{background:#0C1B2A;color:#EAF4FF;padding:54px 0 88px}.footer-inner{width:min(var(--max),calc(100% - 40px));margin:0 auto;display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:36px}.site-footer h2{color:#fff;font-size:16px;margin-bottom:14px}.site-footer a{display:block;color:#cfe0ee;margin:7px 0}.footer-logo{display:flex!important;align-items:center;gap:10px;color:#fff!important;font-weight:900;font-size:20px}.footer-logo img{max-height:40px;width:auto}.footer-brand p{color:#afc4d5;max-width:420px}.footer-bottom{width:min(var(--max),calc(100% - 40px));margin:32px auto 0;padding-top:24px;border-top:1px solid rgba(255,255,255,.08);font-size:13px;color:#9fb6c8}.mobile-bottom-nav{display:none}.spacer-top{margin-top:28px}.center{text-align:center}.muted{color:var(--muted)}.quote{font-size:20px;font-weight:700;color:var(--deep);padding-left:18px;border-left:4px solid var(--ice)}
@media(max-width:980px){.nav-core{display:none}.hero-grid,.editorial-grid,.page-hero-grid,.app-showcase,.story-grid{grid-template-columns:1fr}.hero-visual{min-height:auto}.hero-visual .float-img{position:absolute;right:2%;bottom:-24px}.two-col,.three-col,.magazine-grid,.security-grid{grid-template-columns:1fr}.review-grid,.support-grid{grid-template-columns:repeat(2,1fr)}.feature-strip .container{grid-template-columns:repeat(2,1fr)}.feature-item:nth-child(2):after{display:none}.footer-inner{grid-template-columns:1.4fr 1fr 1fr}.footer-inner section:last-child{grid-column:2/4}.mobile-menu{display:flex}.desktop-menu{display:none}}
@media(max-width:680px){body{padding-bottom:68px}.header-inner{min-height:64px;padding:0 12px}.site-logo strong{display:none}.site-logo img{max-height:38px}.main-btn.compact{padding:0 13px;min-height:38px}.section{padding:62px 0}.section-sm{padding:44px 0}.container{width:min(100% - 28px,var(--max))}.hero{padding:52px 0 38px}.hero h1{font-size:48px}.hero-subtitle{font-size:22px}.hero-copy{font-size:15px}.hero-visual .float-img{position:relative;width:52%;right:auto;left:46%;bottom:20px}.hero-number{font-size:64px;left:4px}.feature-strip .container{grid-template-columns:1fr}.feature-item:not(:last-child):after{top:auto;bottom:0;right:10%;left:10%;height:1px;width:auto}.feature-item:nth-child(2):after{display:block}.section-head{align-items:start;flex-direction:column}.two-col,.content-list,.review-grid,.support-grid,.metric-row{grid-template-columns:1fr}.review-card:nth-child(2n){transform:none}.drawer-links{grid-template-columns:1fr}.footer-inner{grid-template-columns:1fr 1fr}.footer-brand{grid-column:1/3}.footer-inner section:last-child{grid-column:auto}.mobile-bottom-nav{position:fixed;display:grid;grid-template-columns:repeat(4,1fr);left:0;right:0;bottom:0;z-index:9998;background:rgba(12,27,42,.96);backdrop-filter:blur(14px);border-top:1px solid rgba(255,255,255,.08);padding:max(8px,env(safe-area-inset-bottom)) 8px 8px}.mobile-bottom-nav a{text-align:center;color:#d8e9f6;font-size:12px;padding:8px 4px}.timeline article{grid-template-columns:1fr}.page-hero{padding:50px 0 32px}.page-hero h1{font-size:42px}}