*{box-sizing:border-box}html{scroll-behavior:smooth;overflow-x:hidden}body{margin:0;background:#E8F3F4;color:#1E4A54;font:16px/1.78 system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;overflow-x:hidden}body.layer-open{overflow:hidden}a{color:inherit;text-decoration:none}button,input{font:inherit}button{cursor:pointer}img{max-width:100%;display:block}.shell{width:min(1220px,calc(100% - 32px));margin:0 auto}.skip-link{position:fixed;left:16px;top:-80px;z-index:999;background:#F2F7F8;color:#08222A;padding:10px 14px;border-radius:10px}.skip-link:focus{top:10px}.site-header{position:relative;z-index:90}.star-rail,.dome-bar,.screen-tabs{position:fixed;left:0;right:0}.star-rail{top:0;height:22px;background:#08222A;color:#F2F7F8;z-index:92;font-size:12px}.rail-inner{height:22px;display:flex;align-items:center;justify-content:space-between;gap:16px}.rail-search{border:0;background:transparent;color:#F2F7F8;min-height:22px;padding:0 6px}.dome-bar{top:22px;height:64px;background:#F7FCFC;border-bottom:1px solid rgba(10,61,74,.16);z-index:91}.dome-inner{height:64px;display:grid;grid-template-columns:1fr auto 1fr;align-items:center;gap:16px}.brand-link{justify-self:start;display:flex;align-items:center;min-height:44px;max-width:240px}.brand-logo,.footer-logo,.skybox-logo{height:34px;width:auto;max-width:210px;object-fit:contain}.brand-wordmark{font-weight:800;letter-spacing:.08em;color:#0A3D4A}.skybox-trigger,.app-link,.icon-button,.rail-search{outline:none}.skybox-trigger{min-height:44px;padding:0 20px;border:1px solid rgba(212,180,106,.8);border-radius:12px;background:#F2F7F8;color:#08222A;font-weight:700}.app-link{justify-self:end;min-height:44px;display:inline-flex;align-items:center;padding:0 18px;border-radius:12px;background:linear-gradient(135deg,#2E9A8F 0%,#1A6B7A 55%,#0A3D4A 100%);color:#F2F7F8;font-weight:700}.screen-tabs{top:86px;height:44px;background:#DCECEE;border-bottom:1px solid rgba(212,180,106,.7);z-index:89}.screen-tabs-inner{height:44px;display:flex;align-items:center;gap:8px}.screen-tabs a{display:inline-flex;align-items:center;min-height:32px;padding:0 12px;border-radius:8px;color:#0A3D4A;font-size:14px}.screen-tabs a.is-active{background:#1A6B7A;color:#F2F7F8}.site-main{padding-top:130px;min-height:60vh}.page-hero,.home-section{padding:42px 0}.page-hero{background:linear-gradient(180deg,#D4E8EA 0%,#E8F3F4 100%)}.page-hero .eyebrow,.section-kicker{margin:0 0 8px;color:#1A6B7A;font-size:13px;font-weight:800;letter-spacing:.16em}.page-hero h1,.home-intro h1{margin:0 0 14px;color:#0A3D4A;font-size:clamp(28px,4vw,32px);line-height:1.22}.page-hero .lead,.home-intro .lead{max-width:820px;margin:0;color:#4A737C}.hero-grid{display:grid;grid-template-columns:minmax(0,1.05fr) minmax(300px,.95fr);gap:30px;align-items:center}.media-frame{position:relative;display:flex;align-items:center;justify-content:center;overflow:hidden;border-radius:16px;background:#F7FCFC;border:1px solid rgba(10,61,74,.16);box-shadow:0 16px 36px rgba(8,34,42,.10)}.media-frame img{width:100%;height:100%;object-fit:contain;object-position:center}.media-fallback{font-size:46px;color:#7DB8B0;opacity:.8}.hero-media{min-height:230px;max-height:300px}.hero-media img{max-height:300px}.content-image{min-height:210px;height:230px}.app-image{min-height:300px;height:420px}.app-image img{max-height:420px}.icon-image{min-height:72px;width:88px;height:88px}.icon-image img{max-height:72px;max-width:72px}.home-cover{padding:30px 0 42px}.home-cover .banner-frame{min-height:220px;max-height:300px;background:#08222A}.banner-frame img{max-height:300px}.banner-frame .media-fallback{color:#F2F7F8}.banner-fallback-title{color:#F2F7F8;font-size:clamp(28px,5vw,44px);font-weight:900;letter-spacing:.08em}.home-intro{margin-top:24px;max-width:880px}.home-intro p{margin:0 0 14px}.actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:20px}.button-primary,.button-secondary{display:inline-flex;align-items:center;justify-content:center;min-height:44px;padding:0 18px;border-radius:12px;font-weight:800}.button-primary{background:linear-gradient(135deg,#2E9A8F 0%,#1A6B7A 55%,#0A3D4A 100%);color:#F2F7F8}.button-secondary{background:#F2F7F8;color:#08222A;border:1px solid #D4B46A}.section-head{display:flex;align-items:end;justify-content:space-between;gap:20px;margin-bottom:20px}.section-head h2{margin:0;color:#0A3D4A;font-size:24px}.section-head p{max-width:680px;margin:0;color:#4A737C}.constellation-grid{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:14px;align-items:start}.constellation-card,.info-card,.status-card,.step-card,.faq-card,.entry-card,.clause-card,.letter-card{background:#F7FCFC;border:1px solid rgba(10,61,74,.16);border-radius:16px;box-shadow:0 16px 36px rgba(8,34,42,.08)}.constellation-card{padding:14px}.constellation-card .media-frame{height:190px;min-height:190px;box-shadow:none}.constellation-card:nth-child(2),.constellation-card:nth-child(4){margin-top:18px}.constellation-card:nth-child(3){margin-top:30px}.constellation-card h3{margin:14px 0 6px;color:#0A3D4A}.constellation-card p{margin:0;color:#4A737C;font-size:14px;line-height:1.7}.split-section{display:grid;grid-template-columns:minmax(280px,.9fr) minmax(0,1.1fr);gap:28px;align-items:start}.number-list{display:grid;gap:12px}.number-item{display:grid;grid-template-columns:52px 1fr;gap:14px;padding:16px;background:#F7FCFC;border:1px solid rgba(46,154,143,.4);border-radius:14px}.number-item .num{font-size:28px;font-weight:900;line-height:1;color:#D4B46A}.number-item h3{margin:0 0 4px;color:#0A3D4A}.number-item p{margin:0;color:#4A737C}.quad-grid,.status-grid,.clause-grid,.entry-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}.info-card,.status-card,.entry-card,.clause-card{padding:20px}.info-card h3,.status-card h3,.entry-card h3,.clause-card h2,.clause-card h3{margin:0 0 8px;color:#0A3D4A}.info-card p,.status-card p,.entry-card p,.clause-card p{margin:0;color:#4A737C}.big-number{font-size:36px;font-weight:900;color:#D4B46A;line-height:1}.steps{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:12px}.step-card{padding:18px}.step-card b{display:block;margin-bottom:8px;color:#D4B46A}.step-card h3{margin:0 0 6px;color:#0A3D4A}.step-card p{margin:0;color:#4A737C;font-size:14px}.quote-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}.letter-card{padding:22px}.letter-card blockquote{margin:0;color:#1E4A54}.letter-card footer{margin-top:12px;color:#1A6B7A;font-weight:800}.home-app{display:grid;grid-template-columns:320px 1fr;gap:28px;align-items:center}.app-copy{background:#F7FCFC;border-radius:16px;border:1px solid rgba(10,61,74,.16);padding:26px}.app-copy .app-mini{display:flex;align-items:center;gap:14px;margin-bottom:18px}.app-copy h2{margin:0;color:#0A3D4A}.text-section{padding:36px 0}.prose{max-width:930px}.prose h2{margin:30px 0 10px;color:#0A3D4A;font-size:22px}.prose h3{margin:22px 0 8px;color:#0A3D4A;font-size:18px}.prose p{margin:0 0 16px}.prose ul{padding-left:1.2em}.prose li{margin-bottom:8px}.note-box{margin:18px 0;padding:18px;border-left:4px solid #D4B46A;background:#F7FCFC;border-radius:0 14px 14px 0}.toc-pills{display:flex;flex-wrap:wrap;gap:10px;margin:18px 0 0}.toc-pills a{min-height:44px;display:inline-flex;align-items:center;padding:0 14px;border-radius:12px;background:#F2F7F8;border:1px solid rgba(10,61,74,.16);color:#0A3D4A}.article-stack{display:grid;gap:16px}.article-row{display:grid;grid-template-columns:120px 1fr;gap:22px;padding:20px;background:#F7FCFC;border-radius:16px;border:1px solid rgba(10,61,74,.16)}.article-row .label{font-weight:900;color:#1A6B7A}.article-row h2{margin:0 0 8px;color:#0A3D4A;font-size:20px}.article-row p{margin:0 0 10px}.article-row a{font-weight:800;color:#1A6B7A}.faq-list{display:grid;gap:14px}.faq-card{padding:20px}.faq-card h2{margin:0 0 8px;color:#0A3D4A;font-size:19px}.faq-card p{margin:0;color:#4A737C}.contact-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}.contact-card{padding:22px;background:#F7FCFC;border-radius:16px;border:1px solid rgba(10,61,74,.16)}.contact-card h2{margin:0 0 10px;color:#0A3D4A}.contact-card p{margin:0 0 10px}.contact-card a{font-weight:800;color:#1A6B7A}.site-footer{margin-top:48px;background:#08222A;color:#F2F7F8;padding:36px 0 calc(26px + env(safe-area-inset-bottom))}.footer-brand-row{display:flex;justify-content:space-between;gap:30px;padding-bottom:24px;border-bottom:1px solid rgba(242,247,248,.16)}.footer-brand{display:flex;align-items:center;gap:12px}.footer-brand .brand-wordmark{color:#F2F7F8}.footer-brand span{display:flex;flex-direction:column}.footer-brand small{color:#7DB8B0}.footer-brand-row p{max-width:650px;margin:0;color:#DCECEE}.footer-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:24px;padding:28px 0}.footer-grid section{display:flex;flex-direction:column;gap:7px}.footer-grid h2{font-size:15px;margin:0 0 6px;color:#D4B46A}.footer-grid a{color:#F2F7F8;font-size:14px}.footer-bottom{padding-top:18px;border-top:1px solid rgba(242,247,248,.16);color:#DCECEE;font-size:13px}.page-mask{position:fixed;inset:86px 0 0;background:rgba(8,34,42,.42);z-index:110;opacity:0;visibility:hidden;pointer-events:none;transition:opacity .2s ease}.page-mask.is-open{opacity:1;visibility:visible;pointer-events:auto}.skybox,.search-layer{position:fixed;left:0;right:0;top:86px;z-index:120;visibility:hidden;pointer-events:none;opacity:0;transform:translateY(-14px);transition:.2s ease}.skybox.is-open,.search-layer.is-open{visibility:visible;pointer-events:auto;opacity:1;transform:translateY(0)}.skybox{background:#F7FCFC;border-bottom:1px solid rgba(10,61,74,.16);max-height:68vh;overflow:auto}.skybox-inner{padding:18px 0 24px}.skybox-head,.search-head{display:flex;align-items:center;justify-content:space-between;gap:20px}.skybox-brand{display:flex;align-items:center;gap:12px;font-weight:900;color:#0A3D4A}.icon-button{min-height:44px;padding:0 14px;border:1px solid rgba(10,61,74,.16);background:#F2F7F8;color:#08222A;border-radius:12px}.skybox-groups{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:22px;margin-top:18px}.skybox-groups h2{font-size:14px;color:#D4B46A;margin:0 0 8px}.skybox-groups section{display:flex;flex-direction:column;gap:8px}.skybox-groups a{display:block;padding:10px;border-radius:12px}.skybox-groups a:hover{background:#DCECEE}.skybox-groups strong{display:block;color:#0A3D4A}.skybox-groups span{display:block;color:#4A737C;font-size:12px;line-height:1.55;margin-top:3px}.search-layer{background:transparent}.search-card{margin-top:12px;padding:20px;background:#F7FCFC;border:1px solid rgba(10,61,74,.16);border-radius:16px;box-shadow:0 16px 36px rgba(8,34,42,.10)}.search-head strong{color:#0A3D4A}.search-card label{display:block;margin:14px 0 8px;color:#4A737C}.search-card input{width:100%;min-height:48px;border:1px solid rgba(46,154,143,.4);border-radius:12px;background:#fff;padding:0 14px;color:#08222A}.search-presets{display:flex;flex-wrap:wrap;gap:10px;margin-top:14px}.search-presets a{min-height:44px;display:inline-flex;align-items:center;padding:0 14px;border-radius:10px;background:#DCECEE;color:#0A3D4A}.mobile-bottom{display:none}.button-primary:hover,.app-link:hover{filter:brightness(1.04)}a:focus-visible,button:focus-visible,input:focus-visible{outline:3px solid #D4B46A;outline-offset:3px}
@media(max-width:980px){.hero-grid,.split-section,.home-app{grid-template-columns:1fr}.constellation-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.constellation-card:nth-child(n){margin-top:0}.constellation-card:last-child{grid-column:1/-1}.steps{grid-template-columns:repeat(2,minmax(0,1fr))}.skybox-groups{grid-template-columns:repeat(2,minmax(0,1fr))}.home-app .app-image{max-width:360px;margin:0 auto}}
@media(max-width:720px){body{padding-bottom:calc(50px + env(safe-area-inset-bottom))}.shell{width:min(100% - 32px,1220px)}.screen-tabs{display:none}.site-main{padding-top:86px}.dome-inner{grid-template-columns:minmax(0,1fr) auto auto;gap:8px}.brand-link{min-width:0;overflow:hidden}.brand-logo{max-width:124px;height:30px}.brand-wordmark{font-size:15px;white-space:nowrap}.skybox-trigger,.app-link{padding:0 11px;font-size:14px;min-width:70px}.page-hero,.home-section{padding:30px 0}.home-cover{padding-top:18px}.home-cover .banner-frame{min-height:180px}.hero-grid{gap:20px}.hero-media{min-height:190px}.constellation-grid,.quad-grid,.status-grid,.clause-grid,.entry-grid,.quote-grid,.contact-grid{grid-template-columns:1fr}.constellation-card:last-child{grid-column:auto}.steps{grid-template-columns:1fr}.section-head{align-items:flex-start;flex-direction:column}.article-row{grid-template-columns:1fr;gap:6px}.skybox{max-height:78vh}.skybox-groups{grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}.skybox-groups a{padding:8px 6px}.skybox-groups span{font-size:11px}.search-card{width:calc(100% - 20px)}.mobile-bottom{position:fixed;left:0;right:0;bottom:0;height:calc(50px + env(safe-area-inset-bottom));padding-bottom:env(safe-area-inset-bottom);z-index:95;display:grid;grid-template-columns:repeat(5,1fr);background:#F7FCFC;border-top:1px solid rgba(10,61,74,.16)}.mobile-bottom a{display:flex;align-items:center;justify-content:center;min-height:50px;font-size:13px;color:#0A3D4A}.mobile-bottom a.is-active{background:#1A6B7A;color:#F2F7F8}.footer-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.footer-brand-row{flex-direction:column}.site-footer{padding-bottom:34px}.page-mask{inset:86px 0 0}.skybox,.search-layer{top:86px}}
@media(max-width:420px){.rail-inner{font-size:11px}.brand-logo{max-width:108px}.skybox-trigger,.app-link{padding:0 8px;min-width:60px}.skybox-groups{grid-template-columns:1fr 1fr}.footer-grid{grid-template-columns:1fr 1fr}}