:root{
    --bg:#E8F3F4;
    --deep:#D4E8EA;
    --surface:#F7FCFC;
    --surface-2:#DCECEE;
    --title:#0A3D4A;
    --text:#1E4A54;
    --muted:#4A737C;
    --soft:#7A8F93;
    --lake:#1A6B7A;
    --green:#2E9A8F;
    --night:#08222A;
    --gold:#D4B46A;
    --star:#F2F7F8;
    --mist:#7DB8B0;
    --border:rgba(10,61,74,.16);
    --accent-border:rgba(46,154,143,.40);
    --shadow:0 16px 36px rgba(8,34,42,.10);
    --max:1220px;
    --top:130px;
}
*{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","Microsoft YaHei",Arial,sans-serif;
    font-size:16px;
    line-height:1.75;
    overflow-x:hidden;
}
body.layer-open{overflow:hidden}
a{color:inherit;text-decoration:none}
img{display:block;max-width:100%;height:auto}
button,input{font:inherit}
button{cursor:pointer}
.skip-link{
    position:fixed;left:16px;top:-80px;z-index:9999;
    padding:10px 14px;background:var(--night);color:var(--star);border-radius:8px
}
.skip-link:focus{top:8px}
.site-header{position:fixed;inset:0 0 auto 0;z-index:700;box-shadow:0 3px 15px rgba(8,34,42,.06)}
.star-track{height:22px;background:var(--night);color:var(--star);font-size:12px}
.track-inner,.dome-inner,.tabs-inner,.footer-inner,.site-main{
    width:min(calc(100% - 32px),var(--max));
    margin:0 auto
}
.track-inner{height:22px;display:flex;align-items:center;justify-content:space-between}
.track-search{
    min-height:22px;border:0;background:transparent;color:var(--star);padding:0 8px;border-radius:5px
}
.track-search:hover,.track-search:focus-visible{outline:1px solid var(--gold);color:#fff}
.dome-bar{height:64px;background:var(--star);border-bottom:1px solid rgba(26,107,122,.28)}
.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:230px}
.brand-logo{height:36px;width:auto;max-width:210px;object-fit:contain;object-position:left center}
.brand-text{font-size:20px;font-weight:800;color:var(--title);letter-spacing:.08em}
.map-trigger,.app-link{
    min-height:44px;padding:8px 16px;border-radius:10px;font-weight:700;display:inline-flex;align-items:center;justify-content:center
}
.map-trigger{border:1px solid var(--gold);background:var(--surface);color:var(--night)}
.map-trigger:hover,.map-trigger:focus-visible,.app-link:hover,.app-link:focus-visible{
    outline:3px solid rgba(212,180,106,.25);outline-offset:2px
}
.app-link{justify-self:end;background:linear-gradient(135deg,#2E9A8F 0%,#1A6B7A 55%,#0A3D4A 100%);color:var(--star)}
.screen-tabs{height:44px;background:var(--surface-2);border-bottom:1px solid rgba(212,180,106,.58)}
.tabs-inner{height:44px;display:flex;align-items:center;gap:7px}
.tabs-inner a{padding:5px 10px;min-height:32px;display:flex;align-items:center;border-radius:7px;color:var(--title);font-size:14px}
.tabs-inner a:hover,.tabs-inner a:focus-visible{background:rgba(26,107,122,.10);outline:2px solid var(--accent-border)}
.tabs-inner a.is-current{background:var(--lake);color:var(--star)}
.site-main{padding-top:calc(var(--top) + 34px);padding-bottom:72px;min-height:70vh}
.page-hero,.section-card,.content-block,.article-panel,.notice-panel{
    background:var(--surface);border:1px solid var(--border);border-radius:16px;box-shadow:var(--shadow)
}
.page-hero{padding:28px;margin-bottom:24px}
.eyebrow{display:inline-block;color:var(--lake);font-weight:800;font-size:13px;letter-spacing:.14em;text-transform:uppercase}
h1,h2,h3{color:var(--title);line-height:1.35;margin-top:0}
h1{font-size:clamp(28px,4vw,32px);margin:8px 0 14px}
h2{font-size:24px;margin-bottom:12px}
h3{font-size:18px;margin-bottom:8px}
p{margin:0 0 14px}
.lead{font-size:17px;max-width:900px;color:var(--text)}
.muted{color:var(--muted)}
.hero-actions,.button-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:18px}
.primary-button,.secondary-button,.text-button{
    min-height:44px;border-radius:10px;padding:10px 16px;display:inline-flex;align-items:center;justify-content:center;font-weight:750
}
.primary-button{background:linear-gradient(135deg,#2E9A8F 0%,#1A6B7A 55%,#0A3D4A 100%);color:var(--star)}
.secondary-button{background:var(--star);color:var(--night);border:1px solid var(--gold)}
.text-button{background:transparent;color:var(--lake);border:1px solid var(--accent-border)}
.primary-button:hover,.secondary-button:hover,.text-button:hover,
.primary-button:focus-visible,.secondary-button:focus-visible,.text-button:focus-visible{
    transform:translateY(-1px);outline:3px solid rgba(46,154,143,.18);outline-offset:2px
}
.image-frame{
    width:100%;display:flex;align-items:center;justify-content:center;
    background:linear-gradient(145deg,var(--surface-2),var(--star));
    border:1px solid var(--border);border-radius:16px;overflow:hidden
}
.image-frame img{width:100%;height:100%;object-fit:contain;object-position:center}
.image-placeholder{color:var(--star);background:linear-gradient(135deg,var(--night),var(--title),var(--lake));text-align:center;padding:24px}
.image-placeholder span{font-size:20px;font-weight:800;letter-spacing:.08em}
.banner-frame{aspect-ratio:16/7;max-height:300px}
.banner-frame img{max-height:300px}
.column-image{height:220px}
.card-image{height:190px}
.app-visual{min-height:320px;max-height:420px}
.app-visual img{max-height:420px;width:auto}
.icon-frame{width:72px;height:72px;border-radius:18px}
.icon-frame img{width:100%;height:100%}
.home-intro{margin-top:18px}
.home-intro .kicker{color:var(--lake);font-weight:800}
.home-intro .main-sentence{font-size:clamp(24px,4vw,31px);font-weight:850;color:var(--title);line-height:1.35;margin:6px 0 12px}
.section-wrap{margin:30px 0}
.section-heading{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:14px}
.section-heading p{max-width:620px;color:var(--muted);margin:0}
.constellation-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:14px}
.constellation-card{
    background:var(--surface);border:1px solid var(--border);border-radius:14px;padding:12px;box-shadow:0 8px 22px rgba(8,34,42,.07)
}
.constellation-card:nth-child(1),.constellation-card:nth-child(5){transform:translateY(18px)}
.constellation-card:nth-child(2),.constellation-card:nth-child(4){transform:translateY(6px)}
.constellation-card h3{margin-top:12px}
.constellation-card p{font-size:14px;color:var(--muted)}
.constellation-card a.more{color:var(--lake);font-weight:700}
.feature-split{display:grid;grid-template-columns:minmax(0,1.15fr) minmax(300px,.85fr);gap:22px;align-items:stretch}
.feature-split.reverse{grid-template-columns:minmax(300px,.85fr) minmax(0,1.15fr)}
.section-card{padding:22px}
.number-list{display:grid;gap:10px}
.number-item{
    display:grid;grid-template-columns:56px 1fr;gap:12px;align-items:start;
    padding:12px 0;border-bottom:1px solid var(--border)
}
.number-item:last-child{border-bottom:0}
.number-item .num{font-size:28px;font-weight:900;color:var(--gold);line-height:1}
.number-item strong{display:block;color:var(--title);margin-bottom:3px}
.four-grid,.status-grid,.topic-grid,.two-grid,.three-grid{
    display:grid;gap:14px
}
.four-grid{grid-template-columns:repeat(4,1fr)}
.three-grid{grid-template-columns:repeat(3,1fr)}
.two-grid{grid-template-columns:repeat(2,1fr)}
.status-grid{grid-template-columns:repeat(4,1fr)}
.status-grid-spaced{margin-top:14px}
.topic-grid{grid-template-columns:repeat(3,1fr)}
.mini-card{
    background:var(--surface);border:1px solid var(--border);border-radius:14px;padding:16px
}
.mini-card strong{display:block;color:var(--title);margin-bottom:6px}
.mini-card p{font-size:14px;color:var(--muted);margin:0}
.status-card{padding:18px;border-radius:14px;background:var(--deep);border:1px solid var(--border)}
.status-card .status{display:inline-block;padding:4px 8px;border-radius:6px;background:var(--night);color:var(--star);font-size:12px;font-weight:800;margin-bottom:10px}
.step-list{counter-reset:step;display:grid;gap:12px}
.step{
    counter-increment:step;background:var(--surface);border:1px solid var(--border);border-radius:14px;padding:16px 16px 16px 68px;position:relative
}
.step::before{
    content:counter(step,decimal-leading-zero);position:absolute;left:16px;top:16px;color:var(--gold);font-size:26px;font-weight:900
}
.editor-quote{
    border-left:4px solid var(--gold);background:var(--surface);border-radius:0 14px 14px 0;padding:18px 20px;margin:12px 0
}
.editor-quote .label{font-size:12px;color:var(--lake);font-weight:800;letter-spacing:.12em}
.app-section{display:grid;grid-template-columns:340px 1fr;gap:24px;align-items:center}
.app-brand-row{display:flex;align-items:center;gap:14px;margin-bottom:14px}
.link-list{display:grid;gap:10px}
.link-list a{
    padding:14px 16px;border:1px solid var(--border);background:var(--surface);border-radius:12px;display:flex;align-items:center;justify-content:space-between;gap:14px
}
.link-list a::after{content:"→";color:var(--gold);font-weight:900}
.link-list a:hover,.link-list a:focus-visible{border-color:var(--accent-border);outline:3px solid rgba(46,154,143,.12)}
.article-grid{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:22px}
.article-panel{padding:24px}
.article-panel section{padding:8px 0 20px;border-bottom:1px solid var(--border);margin-bottom:20px}
.article-panel section:last-child{border-bottom:0;margin-bottom:0}
.article-panel ul{padding-left:20px}
.article-panel li{margin-bottom:8px}
.side-panel{align-self:start;position:sticky;top:150px}
.side-panel .section-card{box-shadow:none}
.side-panel a{display:block;padding:9px 0;border-bottom:1px solid var(--border);color:var(--lake)}
.side-panel a:last-child{border-bottom:0}
.catalog-list{display:grid;gap:14px}
.catalog-row{
    display:grid;grid-template-columns:120px 1fr auto;gap:18px;align-items:center;
    background:var(--surface);border:1px solid var(--border);border-radius:14px;padding:16px
}
.catalog-row .tag{color:var(--lake);font-weight:800}
.catalog-row a{color:var(--lake);font-weight:800}
.timeline{display:grid;gap:14px}
.timeline-item{position:relative;padding:18px 18px 18px 82px;background:var(--surface);border:1px solid var(--border);border-radius:14px}
.timeline-item .badge{position:absolute;left:18px;top:18px;font-size:24px;color:var(--gold);font-weight:900}
.faq-list{display:grid;gap:12px}
.faq-item{background:var(--surface);border:1px solid var(--border);border-radius:14px;padding:18px}
.faq-item h2{font-size:18px;margin-bottom:8px}
.rule-list{display:grid;gap:12px}
.rule{background:var(--surface);border:1px solid var(--border);border-radius:14px;padding:18px}
.notice-panel{padding:18px;border-color:rgba(212,180,106,.55);background:linear-gradient(135deg,var(--star),#eef8f7)}
.notice-panel strong{color:var(--title)}
.site-footer{background:var(--night);color:var(--star);padding:42px 0 76px}
.footer-brand{display:flex;align-items:center;gap:14px;margin-bottom:28px}
.footer-logo{height:34px;width:auto;max-width:190px;object-fit:contain;object-position:left center}
.footer-brand div{display:flex;flex-direction:column}
.footer-brand strong{font-size:20px}
.footer-brand span{font-size:12px;color:#c7d9dc;letter-spacing:.12em}
.footer-groups{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.footer-groups h2{color:var(--star);font-size:16px;margin-bottom:10px}
.footer-groups a{display:block;color:#dcebed;padding:4px 0}
.footer-groups a:hover,.footer-groups a:focus-visible{color:var(--gold);outline:none;text-decoration:underline}
.footer-note{margin-top:28px;padding-top:20px;border-top:1px solid rgba(242,247,248,.16);color:#d5e5e7}
.copyright{color:#9fb8bd;font-size:13px;margin-bottom:0}
.page-overlay{
    position:fixed;inset:0;background:rgba(8,34,42,.48);z-index:760;
    opacity:0;visibility:hidden;pointer-events:none;transition:opacity .18s ease,visibility .18s ease
}
.page-overlay.is-visible{opacity:1;visibility:visible;pointer-events:auto}
.star-map{
    position:fixed;left:0;right:0;top:86px;z-index:800;background:var(--star);
    max-height:68vh;overflow:auto;border-bottom:1px solid var(--gold);
    transform:translateY(-18px);opacity:0;visibility:hidden;pointer-events:none;transition:.2s ease
}
.star-map.is-open{transform:translateY(0);opacity:1;visibility:visible;pointer-events:auto}
.map-shell{width:min(calc(100% - 32px),var(--max));margin:0 auto;padding:16px 0 22px}
.map-head{display:flex;align-items:center;justify-content:space-between;gap:16px;padding-bottom:14px;border-bottom:1px solid var(--border)}
.map-brand{display:flex;align-items:center;gap:10px;font-weight:800;color:var(--title)}
.map-logo{height:28px;width:auto;max-width:150px;object-fit:contain}
.close-button{min-height:44px;padding:8px 14px;border-radius:10px;border:1px solid var(--gold);background:var(--surface);color:var(--night);font-weight:750}
.close-button:hover,.close-button:focus-visible{outline:3px solid rgba(212,180,106,.25)}
.map-groups{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;padding-top:16px}
.map-group h2{font-size:16px;margin-bottom:8px}
.map-group a{display:block;padding:8px 0;border-bottom:1px solid var(--border)}
.map-group strong{display:block;color:var(--title);font-size:14px}
.map-group span{display:block;color:var(--muted);font-size:12px;line-height:1.55;margin-top:2px}
.search-layer{
    position:fixed;left:0;right:0;top:86px;z-index:810;opacity:0;visibility:hidden;pointer-events:none;transform:translateY(-12px);transition:.2s ease
}
.search-layer.is-open{opacity:1;visibility:visible;pointer-events:auto;transform:translateY(0)}
.search-card{
    width:min(calc(100% - 32px),760px);margin:0 auto;background:var(--star);border:1px solid var(--gold);
    border-radius:0 0 16px 16px;box-shadow:var(--shadow);padding:20px
}
.search-head{display:flex;align-items:flex-start;justify-content:space-between;gap:16px}
.search-head h2{margin:4px 0 12px}
.search-box{display:block}
.search-box span{display:block;font-size:13px;color:var(--muted);margin-bottom:6px}
.search-box input{
    width:100%;min-height:48px;border:1px solid var(--accent-border);border-radius:10px;background:#fff;color:var(--night);padding:10px 12px;outline:none
}
.search-box input:focus{box-shadow:0 0 0 3px rgba(46,154,143,.16)}
.search-presets{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px}
.search-presets a{padding:8px 12px;border-radius:9px;background:var(--deep);color:var(--title);font-weight:700}
.search-presets a:hover,.search-presets a:focus-visible{outline:2px solid var(--lake)}
.search-hint{font-size:12px;color:var(--muted);margin:12px 0 0}
.mobile-bottom{display:none}
@media (max-width:980px){
    .constellation-grid{grid-template-columns:repeat(2,1fr)}
    .constellation-card:nth-child(n){transform:none}
    .constellation-card:last-child{grid-column:1/-1}
    .four-grid,.status-grid{grid-template-columns:repeat(2,1fr)}
    .three-grid,.topic-grid{grid-template-columns:repeat(2,1fr)}
    .article-grid{grid-template-columns:1fr}
    .side-panel{position:static}
    .app-section{grid-template-columns:280px 1fr}
    .map-groups{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:720px){
    :root{--top:86px}
    body{font-size:16px}
    .site-main{width:calc(100% - 32px);padding-top:calc(var(--top) + 24px);padding-bottom:84px}
    .screen-tabs{display:none}
    .dome-inner{grid-template-columns:minmax(0,1fr) auto auto;gap:8px}
    .brand-link{min-width:0;max-width:160px}
    .brand-logo{max-width:150px;height:30px}
    .brand-text{font-size:17px;white-space:nowrap}
    .map-trigger,.app-link{padding:7px 10px;min-width:58px;font-size:13px}
    .star-map{top:86px;max-height:78vh}
    .map-groups{grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}
    .map-group a{padding:9px 0}
    .search-layer{top:86px}
    .search-card{width:calc(100% - 24px);border-radius:0 0 14px 14px}
    .page-hero{padding:20px}
    .section-heading{align-items:flex-start;flex-direction:column;gap:4px}
    .feature-split,.feature-split.reverse,.app-section{grid-template-columns:1fr}
    .feature-split.reverse .image-frame{order:-1}
    .constellation-grid,.four-grid,.status-grid,.three-grid,.topic-grid,.two-grid{grid-template-columns:1fr}
    .constellation-card:last-child{grid-column:auto}
    .catalog-row{grid-template-columns:1fr;gap:8px}
    .app-visual{min-height:280px}
    .footer-groups{grid-template-columns:repeat(2,1fr)}
    .site-footer{padding-bottom:92px}
    .mobile-bottom{
        display:grid;grid-template-columns:repeat(5,1fr);position:fixed;left:0;right:0;bottom:0;z-index:720;
        min-height:calc(50px + env(safe-area-inset-bottom));padding-bottom:env(safe-area-inset-bottom);
        background:var(--star);border-top:1px solid var(--border);box-shadow:0 -8px 24px rgba(8,34,42,.08)
    }
    .mobile-bottom a{
        min-height:50px;display:flex;align-items:center;justify-content:center;font-size:13px;color:var(--title);font-weight:700
    }
    .mobile-bottom a.is-current{background:var(--lake);color:var(--star)}
    .banner-frame{aspect-ratio:3/2}
}
@media (max-width:420px){
    .track-inner{font-size:11px}
    .map-groups{grid-template-columns:1fr 1fr}
    .map-group span{font-size:11px}
    .footer-groups{gap:16px}
}
@media (prefers-reduced-motion:reduce){
    html{scroll-behavior:auto}
    *,*::before,*::after{transition:none!important;animation:none!important}
}