*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:#07111A;color:#D7E2EA;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;font-size:15px;line-height:1.7;overflow-x:hidden;padding-top:104px}a{color:inherit;text-decoration:none}button,input{font:inherit}img{display:block;max-width:100%;object-fit:contain;object-position:center}.shell{width:min(1080px,calc(100% - 32px));margin:0 auto}.topbar{position:fixed;z-index:60;top:0;left:0;right:0;height:18px;background:#050B12;border-bottom:1px solid rgba(86,168,245,.08)}.topbar-inner{height:18px;display:flex;align-items:center;justify-content:space-between;font-size:12px;color:#9CB0C0}.link-button,.menu-toggle,.close-button{border:0;background:transparent;color:#D7E2EA;cursor:pointer}.link-button{padding:0 4px}.site-header{position:fixed;z-index:60;top:18px;left:0;right:0;height:54px;background:rgba(13,27,42,.98);border-bottom:1px solid rgba(86,168,245,.20)}.brand-row{height:54px;display:flex;align-items:center;justify-content:space-between;gap:16px}.brand{display:flex;align-items:center;min-height:44px}.brand img{height:24px;width:auto}.brand-fallback{font-size:16px;font-weight:700;color:#F4F8FC}.brand-fallback small{display:inline-block;margin-left:8px;color:#56A8F5;letter-spacing:.12em}.header-actions{display:flex;align-items:center;gap:8px}.header-app,.menu-toggle{min-height:44px;display:inline-flex;align-items:center;justify-content:center;padding:0 14px;border-radius:10px}.header-app{background:linear-gradient(135deg,#56A8F5 0%,#2F80ED 52%,#174A7E 100%);color:#fff;box-shadow:0 6px 16px rgba(47,128,237,.24)}.menu-toggle{border:1px solid rgba(86,168,245,.20);background:#102538}.quick-nav{position:fixed;z-index:55;top:72px;left:0;right:0;height:32px;background:#07111A;border-bottom:1px solid rgba(86,168,245,.12)}.quick-nav-inner{height:32px;display:flex;align-items:center;gap:6px}.quick-nav a{font-size:14px;line-height:28px;padding:0 11px;border-radius:8px;color:#C9D8E3}.quick-nav a:hover,.quick-nav a.is-current{background:#174A7E;color:#fff;box-shadow:0 6px 16px rgba(47,128,237,.24)}main{min-height:58vh}.overlay{position:fixed;z-index:75;inset:0;background:rgba(2,7,12,.72);visibility:hidden;opacity:0;pointer-events:none;transition:180ms}.overlay.is-open{visibility:visible;opacity:1;pointer-events:auto}.menu-card,.search-panel{position:fixed;z-index:80;background:#0D1B2A;border:1px solid rgba(86,168,245,.20);box-shadow:0 14px 36px rgba(0,0,0,.26);visibility:hidden;opacity:0;pointer-events:none;transform:translateY(-8px);transition:180ms}.menu-card.is-open,.search-panel.is-open{visibility:visible;opacity:1;pointer-events:auto;transform:none}.menu-card{top:80px;right:max(16px,calc((100vw - 1080px)/2));width:min(440px,calc(100vw - 32px));max-height:68vh;overflow:auto;border-radius:14px;padding:16px}.menu-head,.search-head{display:flex;align-items:flex-start;justify-content:space-between;gap:16px}.menu-brand{display:flex;align-items:center;gap:10px}.menu-brand img{height:24px;width:auto}.menu-brand strong,.menu-brand span{display:block}.menu-brand span{font-size:12px;color:#9CB0C0}.close-button{min-height:44px;padding:0 12px;border:1px solid rgba(86,168,245,.16);border-radius:10px;background:#102538}.menu-group{margin-top:14px}.menu-group h2{margin:0 0 8px;font-size:13px;color:#56A8F5;letter-spacing:.08em}.menu-links{display:grid;grid-template-columns:1fr 1fr;gap:8px}.menu-links a{padding:10px 12px;border:1px solid rgba(86,168,245,.12);border-radius:12px;background:#102538}.menu-links strong,.menu-links span{display:block}.menu-links strong{font-size:14px;color:#F4F8FC}.menu-links span{font-size:12px;color:#9CB0C0;line-height:1.5;margin-top:2px}.search-panel{top:80px;left:50%;transform:translate(-50%,-8px);width:min(680px,calc(100vw - 32px));border-radius:14px;padding:16px}.search-panel.is-open{transform:translate(-50%,0)}.search-head strong{font-size:18px;color:#F4F8FC}.search-head p{margin:4px 0 0;color:#9CB0C0}.search-box{display:block;margin-top:14px}.search-box input{width:100%;min-height:46px;border-radius:12px;border:1px solid rgba(86,168,245,.20);background:#07111A;color:#F4F8FC;padding:0 14px;outline:none}.search-results{display:grid;grid-template-columns:1fr 1fr;gap:8px;margin-top:12px}.search-results a{padding:10px 12px;border-radius:10px;background:#102538;border:1px solid rgba(86,168,245,.12);color:#F4F8FC}.search-results span{display:block;font-size:12px;color:#9CB0C0}.no-scroll{overflow:hidden}.hero,.page-hero{padding:46px 0 32px;background:radial-gradient(circle at 80% 20%,rgba(47,128,237,.16),transparent 42%),linear-gradient(180deg,#07111A,#0D1B2A)}.hero-grid{display:grid;grid-template-columns:1.25fr .75fr;gap:30px;align-items:center}.eyebrow{font-size:13px;letter-spacing:.12em;color:#56A8F5;margin-bottom:10px}.hero h1,.page-hero h1{margin:0;color:#F4F8FC;font-size:24px;line-height:1.3}.hero-lead,.page-lead{margin:14px 0 0;color:#C9D8E3}.hero-lead{max-width:720px}.hero-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:18px}.hero-tags span{padding:6px 10px;border:1px solid rgba(86,168,245,.16);border-radius:999px;background:#102538;color:#C9D8E3;font-size:13px}.actions{display:flex;flex-wrap:wrap;gap:10px;margin-top:20px}.btn{min-height:42px;display:inline-flex;align-items:center;justify-content:center;padding:0 18px;border-radius:10px;font-size:14px;transition:180ms}.btn-primary{background:linear-gradient(135deg,#56A8F5 0%,#2F80ED 52%,#174A7E 100%);color:#fff;box-shadow:0 6px 16px rgba(47,128,237,.24)}.btn-secondary{background:#102538;color:#D7E2EA;border:1px solid rgba(86,168,245,.20)}.btn:hover{filter:brightness(1.08);box-shadow:0 0 0 3px rgba(86,168,245,.30),0 10px 24px rgba(47,128,237,.30)}.btn:active{filter:brightness(1.12);box-shadow:0 0 0 4px rgba(86,168,245,.35),0 0 22px rgba(47,128,237,.48)}a:focus-visible,button:focus-visible,input:focus-visible{outline:2px solid #56A8F5;outline-offset:2px}.visual-slot{border-radius:14px;background:linear-gradient(145deg,#102538,#07111A);border:1px solid rgba(86,168,245,.16);min-height:220px;display:flex;align-items:center;justify-content:center;padding:20px}.visual-slot img{max-height:280px;width:100%;object-fit:contain}.section{padding:34px 0}.section.alt{background:#0D1B2A}.section-head{display:flex;align-items:end;justify-content:space-between;gap:16px;margin-bottom:18px}.section-head h2{margin:0;color:#F4F8FC;font-size:20px}.section-head p{margin:5px 0 0;color:#9CB0C0}.feature-row{display:grid;grid-template-columns:minmax(0,1fr) minmax(260px,.72fr);gap:24px;align-items:center}.feature-row.reverse{grid-template-columns:minmax(260px,.72fr) minmax(0,1fr)}.feature-row.reverse .feature-copy{order:2}.feature-row.reverse .visual-slot{order:1}.feature-copy h2{margin:0 0 10px;font-size:20px;color:#F4F8FC}.feature-copy h3{font-size:16px;color:#F4F8FC}.feature-copy p{margin:8px 0;color:#C9D8E3}.text-link{display:inline-flex;margin-top:10px;color:#56A8F5}.cards{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}.card{background:#132B3E;border:1px solid rgba(86,168,245,.16);border-radius:14px;padding:18px;box-shadow:0 14px 36px rgba(0,0,0,.10)}.card h2,.card h3{margin:0 0 8px;color:#F4F8FC;font-size:16px}.card p{margin:0;color:#C9D8E3}.link-card{display:block;transition:180ms}.link-card:hover{border-color:rgba(86,168,245,.35);transform:translateY(-1px)}.longform{width:min(820px,calc(100% - 32px));margin:0 auto;padding:34px 0}.longform h2{font-size:20px;color:#F4F8FC;margin:30px 0 10px}.longform h3{font-size:16px;color:#F4F8FC;margin:22px 0 8px}.longform p{margin:10px 0;color:#D7E2EA}.split-layout{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:26px;align-items:start;padding:34px 0}.main-copy h2{font-size:20px;color:#F4F8FC}.main-copy p{color:#D7E2EA}.side-panel{position:sticky;top:122px;background:#102538;border:1px solid rgba(86,168,245,.16);border-radius:14px;padding:16px}.side-panel h2{font-size:16px;margin:0 0 10px;color:#F4F8FC}.side-panel a{display:block;padding:9px 0;border-bottom:1px solid rgba(86,168,245,.10);color:#C9D8E3}.side-panel a:last-child{border-bottom:0}.steps{counter-reset:steps;display:grid;gap:12px}.step{position:relative;padding:16px 16px 16px 54px;border-radius:14px;background:#102538;border:1px solid rgba(86,168,245,.16)}.step:before{counter-increment:steps;content:counter(steps);position:absolute;left:16px;top:16px;width:26px;height:26px;border-radius:50%;display:grid;place-items:center;background:#174A7E;color:#fff;font-size:13px}.step h3{margin:0 0 4px}.faq-list{display:grid;gap:12px}.faq-item{background:#102538;border:1px solid rgba(86,168,245,.16);border-radius:14px;padding:18px}.faq-item h2{font-size:16px;margin:0 0 8px;color:#F4F8FC}.faq-item p{margin:0;color:#D7E2EA}.banner-slot{min-height:200px;background:#0D1B2A;border:1px solid rgba(86,168,245,.16);border-radius:14px;display:flex;align-items:center;justify-content:center;padding:18px}.banner-slot img{width:100%;max-height:200px;object-fit:contain}.app-layout{display:grid;grid-template-columns:260px 1fr;gap:28px;align-items:start;padding:34px 0}.app-visual{width:240px;height:320px;max-width:100%;margin:auto;background:#102538;border:1px solid rgba(86,168,245,.16);border-radius:14px;display:flex;align-items:center;justify-content:center;padding:16px}.app-visual img{width:100%;height:100%;object-fit:contain}.site-footer{background:#040A10;border-top:1px solid rgba(86,168,245,.20);padding:30px 0 18px;color:#C9D8E3;font-size:13px}.footer-grid{display:grid;grid-template-columns:2fr repeat(3,1fr);gap:26px}.footer-brand img{height:24px;width:auto;margin-bottom:10px}.footer-brand h2{font-size:16px;margin:0 0 8px;color:#F4F8FC}.footer-brand h2 span{color:#56A8F5;font-size:12px}.footer-brand p{margin:0;color:#9CB0C0}.site-footer section>h2{font-size:14px;color:#F4F8FC;margin:0 0 8px}.site-footer section>a{display:block;padding:3px 0;color:#C9D8E3}.copyright{padding-top:16px;margin-top:20px;border-top:1px solid rgba(86,168,245,.10);color:#748A9D}.mobile-bar{display:none}.notice{border-left:3px solid #2F80ED;background:#102538;padding:14px 16px;border-radius:0 12px 12px 0;color:#C9D8E3}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}[hidden]{display:none!important}@media(max-width:780px){body{padding-top:72px;padding-bottom:64px}.quick-nav{display:none}.hero,.page-hero{padding:32px 0 24px}.hero-grid,.feature-row,.feature-row.reverse,.split-layout,.app-layout{grid-template-columns:1fr}.feature-row.reverse .feature-copy,.feature-row.reverse .visual-slot{order:initial}.visual-slot{min-height:180px}.cards,.search-results{grid-template-columns:1fr}.side-panel{position:static}.footer-grid{grid-template-columns:1fr 1fr}.footer-brand{grid-column:1/-1}.mobile-bar{position:fixed;z-index:58;left:0;right:0;bottom:0;min-height:50px;padding-bottom:env(safe-area-inset-bottom);display:grid;grid-template-columns:repeat(4,1fr);background:#050B12;border-top:1px solid rgba(86,168,245,.20)}.mobile-bar a{min-height:50px;display:flex;align-items:center;justify-content:center;color:#C9D8E3;font-size:13px}.mobile-bar a.is-current{background:linear-gradient(180deg,#174A7E,#102538);color:#fff;box-shadow:0 0 16px rgba(47,128,237,.24)}.menu-card{top:80px;right:16px;left:16px;width:auto}.search-panel{top:18px;left:0;right:0;bottom:0;width:auto;border-radius:0;transform:translateY(-8px);max-height:none;overflow:auto}.search-panel.is-open{transform:none}.menu-links{grid-template-columns:1fr}.app-visual{width:240px;height:320px}.section{padding:28px 0}.split-layout{padding:28px 0}.hero-grid{gap:20px}}@media(max-width:520px){.shell{width:min(100% - 32px,1080px)}.footer-grid{grid-template-columns:1fr}.footer-brand{grid-column:auto}.header-app,.menu-toggle{padding:0 11px}.hero-tags{gap:6px}.cards{gap:10px}.card{padding:16px}}