:root{
    --bg:#07182B;--deep:#04111F;--card:#0C2741;--card2:#102F4D;--light:#F7F3E8;
    --title:#F2D59A;--text:#EEF3F8;--muted:#B9CAD8;--soft:#8199AC;
    --blue:#1D4F73;--galaxy:#286B97;--mist:#5B91B3;--gold:#D8B56B;--warm:#F0D49A;--white:#F8F4EA;
    --border:rgba(216,181,107,.22);--blue-border:rgba(91,145,179,.42);--shadow:0 18px 42px rgba(0,0,0,.30);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--text);font-family:"Noto Sans SC","Microsoft YaHei",Arial,sans-serif;font-size:16px;line-height:1.78;overflow-x:hidden}
body.panel-open{overflow:hidden}
a{color:inherit;text-decoration:none}
button,input{font:inherit}
button{cursor:pointer}
img{display:block;max-width:100%;height:auto;object-fit:contain;object-position:center}
.shell{width:min(1220px,calc(100% - 32px));margin:0 auto}
.skip-link{position:fixed;left:16px;top:-80px;z-index:300;background:var(--warm);color:var(--deep);padding:10px 14px;border-radius:8px}
.skip-link:focus{top:12px}
.site-header{position:fixed;inset:0 0 auto;z-index:80}
.star-track{height:22px;background:var(--deep);color:var(--white);font-size:12px;border-bottom:1px solid rgba(216,181,107,.12)}
.star-track-inner{height:22px;display:flex;align-items:center;justify-content:space-between}
.text-control{border:0;background:transparent;color:var(--white);min-height:22px;padding:0 6px}
.dome-bar{height:64px;background:#0a2239;border-bottom:1px solid var(--border);box-shadow:0 10px 30px rgba(0,0,0,.18)}
.dome-bar-inner{height:64px;display:grid;grid-template-columns:1fr auto 1fr;align-items:center;gap:18px}
.brand-link{justify-self:start;display:inline-flex;align-items:center;min-height:44px;max-width:260px}
.brand-link img,.footer-brand img,.panel-brand img{height:34px;width:auto;max-width:220px;object-fit:contain}
.brand-text{font-size:21px;font-weight:800;color:var(--warm);letter-spacing:.08em}
.atlas-trigger,.app-link,.panel-close,.btn{min-height:44px;border-radius:10px;display:inline-flex;align-items:center;justify-content:center;padding:0 18px;white-space:nowrap}
.atlas-trigger{justify-self:center;background:transparent;border:1px solid var(--border);color:var(--white)}
.app-link{justify-self:end;background:linear-gradient(135deg,#F0D49A 0%,#D8B56B 55%,#A97A35 100%);color:var(--bg);font-weight:800}
.screen-sign{height:44px;background:#0b2945;border-bottom:1px solid var(--border)}
.screen-sign-inner{height:44px;display:flex;align-items:center;gap:6px;overflow-x:auto;scrollbar-width:none}
.screen-sign-inner::-webkit-scrollbar{display:none}
.screen-sign a{display:flex;align-items:center;min-height:32px;padding:0 14px;border:1px solid transparent;border-radius:7px;color:var(--muted);white-space:nowrap}
.screen-sign a:hover,.screen-sign a:focus-visible,.screen-sign a.is-current{background:var(--galaxy);color:var(--white);border-color:var(--gold)}
.site-main{padding-top:130px;min-height:70vh}
.section{padding:44px 0}
.section-tight{padding:28px 0}
.page-hero{padding:48px 0 22px}
.page-hero .eyebrow,.eyebrow{display:inline-block;color:var(--warm);font-size:13px;letter-spacing:.12em;text-transform:uppercase}
h1,h2,h3{line-height:1.28;margin:0 0 14px;color:var(--title)}
h1{font-size:clamp(28px,4vw,32px);max-width:900px}
h2{font-size:clamp(22px,3vw,28px)}
h3{font-size:18px}
p{margin:0 0 15px}
.lead{font-size:17px;color:var(--muted);max-width:920px}
.hero-slot,.media-slot{background:linear-gradient(145deg,#061522,#102f4d);border:1px solid var(--border);border-radius:18px;display:flex;align-items:center;justify-content:center;overflow:hidden;position:relative}
.hero-slot{max-height:300px;aspect-ratio:16/9;margin-bottom:24px}
.hero-slot img{width:100%;height:100%;object-fit:contain}
.media-slot{min-height:210px;aspect-ratio:16/9}
.media-slot img{width:100%;height:100%;object-fit:contain}
.media-slot::before,.hero-slot::before{content:"";position:absolute;width:160px;height:160px;border:1px solid rgba(216,181,107,.2);border-radius:50%;box-shadow:0 0 0 24px rgba(40,107,151,.08),0 0 0 50px rgba(216,181,107,.03);pointer-events:none}
.media-slot.has-image::before,.hero-slot.has-image::before{display:none}
.media-placeholder{color:var(--warm);font-weight:800;letter-spacing:.06em;position:relative;z-index:1}
.hero-copy{max-width:920px}
.hero-copy .brand-kicker{color:var(--warm);font-weight:800;margin-bottom:5px}
.action-row{display:flex;gap:12px;flex-wrap:wrap;margin-top:20px}
.btn-primary{background:linear-gradient(135deg,#F0D49A 0%,#D8B56B 55%,#A97A35 100%);color:var(--bg);font-weight:800;border:1px solid transparent}
.btn-secondary{background:var(--deep);color:var(--white);border:1px solid var(--gold)}
.btn:hover,.btn:focus-visible,.atlas-trigger:hover,.atlas-trigger:focus-visible,.app-link:hover,.app-link:focus-visible,.panel-close:hover,.panel-close:focus-visible,.text-control:focus-visible{outline:2px solid var(--warm);outline-offset:2px}
.quick-constellation{display:grid;grid-template-columns:repeat(5,1fr);gap:14px;align-items:stretch}
.constellation-card{background:linear-gradient(180deg,#0d2a47,#091b30);border:1px solid var(--border);border-radius:16px;padding:15px;box-shadow:var(--shadow);display:flex;flex-direction:column;gap:10px}
.constellation-card:nth-child(2),.constellation-card:nth-child(4){transform:translateY(14px)}
.constellation-card .media-slot{min-height:180px}
.constellation-card p{color:var(--muted);font-size:14px}
.text-link{color:var(--warm);font-weight:800}
.number-grid,.topic-grid,.service-grid,.clause-grid,.help-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}
.number-card,.topic-card,.clause,.help-card,.status-card,.catalog-row,.letter-card,.feature-panel{background:var(--card);border:1px solid var(--border);border-radius:14px;padding:20px}
.number-card .num,.rank-num{display:block;color:var(--warm);font-size:34px;font-weight:900;line-height:1;margin-bottom:10px}
.number-card p,.topic-card p,.clause p,.help-card p,.status-card p,.catalog-row p,.letter-card p{color:var(--muted)}
.split-media{display:grid;grid-template-columns:minmax(0,.9fr) minmax(0,1.1fr);gap:24px;align-items:center}
.catalog-list{display:grid;gap:12px}
.catalog-row{display:grid;grid-template-columns:120px 1fr;gap:18px;align-items:start}
.catalog-row strong{color:var(--warm)}
.rank-list{display:grid;gap:14px}
.rank-item{display:grid;grid-template-columns:72px 1fr;gap:14px;border-bottom:1px solid var(--border);padding:18px 0}
.rank-item:last-child{border-bottom:0}
.status-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
.status-card strong{display:block;color:var(--warm);margin-bottom:8px}
.step-list{counter-reset:step;display:grid;gap:14px}
.step{counter-increment:step;background:var(--card);border-left:3px solid var(--gold);padding:18px 20px;border-radius:0 14px 14px 0}
.step::before{content:counter(step,decimal-leading-zero);display:block;color:var(--warm);font-weight:900;font-size:28px;line-height:1;margin-bottom:8px}
.letter-stack{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}
.letter-card{position:relative}
.longform{max-width:900px}
.longform article{padding:24px 0;border-bottom:1px solid var(--border)}
.longform article:last-child{border-bottom:0}
.notice{margin-top:24px;background:var(--light);color:#0a2239;border-radius:14px;padding:20px;border-left:4px solid var(--gold)}
.notice h2,.notice h3{color:#0a2239}
.notice p,.notice li{color:#17344d}
.related{display:flex;gap:10px;flex-wrap:wrap;margin-top:18px}
.related a{border:1px solid var(--border);border-radius:8px;padding:8px 12px;color:var(--warm)}
.faq-stack{display:grid;gap:12px}
.faq-stack details{background:var(--card);border:1px solid var(--border);border-radius:12px;padding:16px 18px}
.faq-stack summary{cursor:pointer;color:var(--title);font-weight:800}
.faq-stack details p{margin:12px 0 0;color:var(--muted)}
.app-layout{display:grid;grid-template-columns:minmax(240px,.72fr) minmax(0,1.28fr);gap:28px;align-items:center}
.app-visual{background:var(--deep);border:1px solid var(--border);border-radius:18px;min-height:360px;display:flex;align-items:center;justify-content:center;padding:18px}
.app-visual img{max-height:420px;width:auto}
.app-icon{width:64px;height:64px;object-fit:contain;margin-bottom:16px;border-radius:14px}
.site-footer{background:var(--deep);color:var(--white);border-top:1px solid var(--border);padding:42px 0 82px}
.footer-brand{display:flex;justify-content:space-between;align-items:center;gap:30px;padding-bottom:24px;border-bottom:1px solid var(--border)}
.footer-brand-mark{display:flex;align-items:center;gap:14px}
.footer-brand-mark strong{display:block;color:var(--warm);font-size:20px}
.footer-brand-mark span{display:block;color:var(--muted);font-size:12px;letter-spacing:.1em}
.footer-brand p{max-width:620px;color:var(--muted)}
.footer-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:26px;padding:28px 0}
.footer-grid h2{font-size:15px;color:var(--warm)}
.footer-grid a{display:block;color:var(--muted);padding:5px 0}
.footer-grid a:hover,.footer-grid a:focus-visible{color:var(--white)}
.footer-note{padding-top:20px;border-top:1px solid var(--border);color:var(--soft);font-size:13px}
.page-overlay{position:fixed;inset:0;background:rgba(2,8,14,.72);z-index:90;opacity:0;visibility:hidden;pointer-events:none;transition:opacity .2s ease}
.page-overlay.is-open{opacity:1;visibility:visible;pointer-events:auto}
.atlas-panel,.search-panel{position:fixed;left:0;right:0;top:86px;z-index:100;visibility:hidden;pointer-events:none;opacity:0;transform:translateY(-12px);transition:opacity .2s ease,transform .2s ease}
.atlas-panel.is-open,.search-panel.is-open{visibility:visible;pointer-events:auto;opacity:1;transform:none}
.atlas-panel{background:#081d31;border-bottom:1px solid var(--gold);max-height:68vh;overflow-y:auto}
.atlas-inner{padding:20px 0 28px}
.panel-head{display:flex;align-items:center;justify-content:space-between;gap:18px;margin-bottom:18px}
.panel-brand{display:flex;align-items:center;gap:12px;color:var(--warm)}
.panel-close{background:transparent;border:1px solid var(--border);color:var(--white)}
.atlas-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.atlas-grid section{background:rgba(255,255,255,.025);border:1px solid var(--border);border-radius:12px;padding:14px}
.atlas-grid h2{font-size:15px}
.atlas-grid a{display:block;padding:9px 0;border-bottom:1px solid rgba(255,255,255,.06)}
.atlas-grid a:last-child{border-bottom:0}
.atlas-grid strong{display:block;color:var(--white);font-size:14px}
.atlas-grid span{display:block;color:var(--muted);font-size:12px;line-height:1.55;margin-top:2px}
.search-panel{padding:0 16px}
.search-card{background:#0a2239;border:1px solid var(--gold);border-radius:0 0 18px 18px;padding:24px;box-shadow:var(--shadow)}
.search-label{display:block;color:var(--muted);margin-bottom:7px}
.search-card input{width:100%;min-height:48px;background:var(--deep);color:var(--white);border:1px solid var(--border);border-radius:10px;padding:0 14px;outline:none}
.search-card input:focus{border-color:var(--gold);box-shadow:0 0 0 3px rgba(216,181,107,.12)}
.search-links{display:flex;flex-wrap:wrap;gap:10px;margin-top:16px}
.search-link{border:1px solid var(--border);border-radius:8px;padding:9px 13px;color:var(--warm)}
.search-link[hidden]{display:none}
.mobile-bottom{display:none}
@media(max-width:900px){
    .quick-constellation{grid-template-columns:repeat(2,1fr)}
    .constellation-card:nth-child(2),.constellation-card:nth-child(4){transform:none}
    .number-grid,.topic-grid,.clause-grid,.help-grid,.letter-stack{grid-template-columns:1fr}
    .status-grid{grid-template-columns:repeat(2,1fr)}
    .split-media,.app-layout{grid-template-columns:1fr}
    .atlas-grid{grid-template-columns:repeat(2,1fr)}
    .footer-grid{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:680px){
    .shell{width:min(100% - 32px,1220px)}
    .screen-sign{display:none}
    .site-main{padding-top:86px;padding-bottom:64px}
    .dome-bar-inner{grid-template-columns:minmax(0,1fr) auto minmax(0,1fr);gap:8px}
    .brand-link{min-width:0;max-width:150px}
    .brand-link img{max-width:132px;height:30px}
    .brand-text{font-size:18px;white-space:nowrap}
    .atlas-trigger,.app-link{padding:0 12px}
    .page-hero{padding-top:34px}
    .section{padding:34px 0}
    .hero-slot{border-radius:14px}
    .quick-constellation{grid-template-columns:1fr}
    .catalog-row{grid-template-columns:1fr;gap:6px}
    .status-grid{grid-template-columns:1fr 1fr}
    .footer-brand{align-items:flex-start;flex-direction:column}
    .footer-grid{grid-template-columns:1fr 1fr;gap:20px}
    .site-footer{padding-bottom:92px}
    .atlas-panel,.search-panel{top:86px}
    .atlas-panel{max-height:78vh}
    .atlas-grid{grid-template-columns:1fr 1fr;gap:10px}
    .atlas-grid section{padding:10px}
    .atlas-grid span{font-size:11px}
    .search-panel{inset:86px 0 0;top:86px;background:var(--deep);padding:0;overflow-y:auto}
    .search-card{width:100%;min-height:calc(100vh - 86px);border-radius:0;border-left:0;border-right:0}
    .mobile-bottom{position:fixed;left:0;right:0;bottom:0;z-index:70;display:grid;grid-template-columns:repeat(5,1fr);height:calc(50px + env(safe-area-inset-bottom));padding-bottom:env(safe-area-inset-bottom);background:#061522;border-top:1px solid var(--border)}
    .mobile-bottom a{min-height:50px;display:flex;align-items:center;justify-content:center;color:var(--muted);font-size:13px}
    .mobile-bottom a.is-current{background:var(--galaxy);color:var(--white);box-shadow:inset 0 2px 0 var(--gold)}
}
@media(max-width:420px){
    .star-track{font-size:11px}
    .app-link{font-size:13px;padding:0 10px}
    .atlas-trigger{font-size:13px;padding:0 10px}
    .footer-grid{grid-template-columns:1fr}
    .atlas-grid{grid-template-columns:1fr 1fr}
}
@media(prefers-reduced-motion:reduce){
    *,*::before,*::after{scroll-behavior:auto!important;transition:none!important;animation:none!important}
}