:root{
  --ink:#0f1419;
  --ink-soft:#1c2430;
  --acc:#c23c2a;
  --acc-dim:#9a2f22;
  --gold:#d4a853;
  --gold-soft:rgba(212,168,83,.15);
  --ok:#2ecc71;
  --cyan:#5eb3d6;
  --bg:#0b0e12;
  --bg-elev:#121820;
  --card:#161d27;
  --card-hover:#1a2330;
  --soft:#1e2836;
  --muted:#8b95a8;
  --line:#2a3544;
  --text:#e8ecf2;
  --text-dim:#b8c0d0;
  --rad:12px;
  --shadow:0 4px 24px rgba(0,0,0,.35);
  --glow:0 0 40px rgba(194,60,42,.12);
}
*{box-sizing:border-box}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font:16px/1.65 'Segoe UI',system-ui,sans-serif;
  -webkit-font-smoothing:antialiased;
}
body::before{
  content:"";
  position:fixed;inset:0;z-index:-1;pointer-events:none;
  background:
    radial-gradient(ellipse 80% 50% at 50% -20%,rgba(194,60,42,.18),transparent),
    radial-gradient(ellipse 60% 40% at 100% 50%,rgba(212,168,83,.06),transparent),
    repeating-linear-gradient(0deg,transparent,transparent 48px,rgba(42,53,68,.12) 48px,rgba(42,53,68,.12) 49px),
    var(--bg);
}
h1,h2,h3,h4{font-family:'Segoe UI Semibold','Segoe UI',system-ui,sans-serif;letter-spacing:-.02em;line-height:1.25;margin:0;color:var(--text)}
a{color:var(--gold);text-decoration:none;transition:color .15s,border-color .15s}
a:hover{color:#f0c878;text-decoration:none}
.wrap{max-width:1080px;margin:0 auto;padding:0 22px}
code{background:var(--soft);border:1px solid var(--line);border-radius:6px;padding:2px 7px;font:13px ui-monospace,Consolas,monospace;color:#f0c878}
pre{background:var(--ink-soft);color:#d8e0ea;border:1px solid var(--line);border-radius:var(--rad);
  padding:16px 18px;overflow:auto;font:13px/1.55 ui-monospace,Consolas,monospace;box-shadow:inset 0 1px 0 rgba(255,255,255,.04)}
pre code{background:none;border:0;padding:0;color:inherit}

.status-strip{
  background:var(--ink-soft);border-bottom:1px solid var(--line);font-size:13px;color:var(--muted)
}
.status-strip .wrap{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:8px 22px;flex-wrap:wrap}
.status-strip .live{display:inline-flex;align-items:center;gap:8px;color:var(--text-dim)}
.status-strip .dot{width:8px;height:8px;border-radius:50%;background:var(--ok);box-shadow:0 0 8px var(--ok);animation:pulse 2s ease infinite}
@keyframes pulse{0%,100%{opacity:1}50%{opacity:.45}}
.ver-pick{display:flex;align-items:center;gap:6px;flex-wrap:wrap}
.ver-pick span{color:var(--muted);margin-right:4px}
.ver-pick a{
  display:inline-block;padding:3px 10px;border-radius:99px;font-size:12px;font-weight:600;
  color:var(--muted);border:1px solid transparent;background:transparent
}
.ver-pick a:hover{color:var(--text);background:var(--soft)}
.ver-pick a.on{color:var(--text);background:var(--gold-soft);border-color:rgba(212,168,83,.35);color:var(--gold)}

.ticker-wrap{overflow:hidden;border-bottom:1px solid var(--line);background:rgba(18,24,32,.6)}
.ticker{display:flex;gap:48px;width:max-content;padding:10px 0;animation:ticker 42s linear infinite;color:var(--muted);font-size:13px}
.ticker span{white-space:nowrap;display:inline-flex;align-items:center;gap:8px}
.ticker .pill{font-size:10px;font-weight:700;text-transform:uppercase;letter-spacing:.06em;padding:2px 7px;border-radius:4px;background:var(--soft);color:var(--cyan)}
@keyframes ticker{0%{transform:translateX(0)}100%{transform:translateX(-50%)}}
@media(prefers-reduced-motion:reduce){.ticker{animation:none;flex-wrap:wrap;width:auto;justify-content:center;gap:12px 24px;padding:12px 22px}}

header.top{position:sticky;top:0;z-index:10;background:rgba(11,14,18,.88);backdrop-filter:blur(12px);border-bottom:1px solid var(--line)}
.top .row{display:flex;align-items:center;justify-content:space-between;padding:14px 0;gap:16px}
.brand{display:flex;align-items:center;gap:11px;font-weight:700;font-size:17px;color:var(--text)}
.brand svg{width:28px;height:28px;flex:none;filter:drop-shadow(0 2px 6px rgba(194,60,42,.4))}
.menu{display:flex;flex-wrap:wrap;gap:4px 0;justify-content:flex-end}
.menu a{color:var(--muted);margin-left:16px;font-size:14px;font-weight:500;padding:4px 0;border-bottom:2px solid transparent}
.menu a:hover{color:var(--text)}
.menu a.on{color:var(--gold);border-bottom-color:var(--acc)}

.hero{padding:48px 0 40px;border-bottom:1px solid var(--line)}
.hero-grid{display:grid;grid-template-columns:1fr auto;gap:32px;align-items:center}
.hero h1{font-size:clamp(28px,4.5vw,42px);max-width:18ch}
.hero .lead{color:var(--text-dim);font-size:18px;max-width:52ch;margin:14px 0 0;line-height:1.6}
.hero-meta{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px}
.chip{display:inline-flex;align-items:center;gap:6px;font-size:12px;font-weight:600;padding:6px 12px;border-radius:99px;
  background:var(--card);border:1px solid var(--line);color:var(--text-dim)}
.chip strong{color:var(--gold)}

.hero-bot{width:min(240px,42vw);flex:none;filter:drop-shadow(0 12px 32px rgba(0,0,0,.45))}
.hero-bot .ant{transform-origin:50% 100%;animation:ant-wiggle 3s ease-in-out infinite}
.hero-bot .eye{animation:blink 4.5s step-end infinite}
.hero-bot .scan{animation:scan 2.2s ease-in-out infinite}
@keyframes float{0%,100%{transform:translateY(0)}50%{transform:translateY(-8px)}}
@keyframes ant-wiggle{0%,100%{transform:rotate(-4deg)}50%{transform:rotate(6deg)}}
@keyframes blink{0%,92%,100%{opacity:1}93%,96%{opacity:.15}}
@keyframes scan{0%,100%{opacity:.35}50%{opacity:.85}}
@media(prefers-reduced-motion:reduce){.hero-bot .ant,.hero-bot .eye,.hero-bot .scan{animation:none}}

.btn{display:inline-block;margin-top:8px;background:linear-gradient(180deg,var(--acc),var(--acc-dim));color:#fff;border-radius:var(--rad);
  padding:12px 22px;font-weight:600;font-size:15px;border:1px solid rgba(255,255,255,.08);box-shadow:var(--glow)}
.btn:hover{filter:brightness(1.08);color:#fff}
.btn-ghost{background:transparent;border:1px solid var(--line);color:var(--text-dim);box-shadow:none;margin-left:10px}
.btn-ghost:hover{border-color:var(--gold);color:var(--gold)}

.metrics{display:grid;grid-template-columns:repeat(auto-fit,minmax(140px,1fr));gap:12px;margin:28px 0 0}
.metric{background:var(--card);border:1px solid var(--line);border-radius:var(--rad);padding:14px 16px;text-align:center;transition:border-color .2s}
.metric:hover{border-color:rgba(94,179,214,.35)}
.metric b{display:block;font-size:22px;color:var(--gold);font-variant-numeric:tabular-nums}
.metric span{font-size:12px;color:var(--muted);text-transform:uppercase;letter-spacing:.06em}

.live-panel{background:var(--card);border:1px solid var(--line);border-radius:var(--rad);padding:18px 20px;margin-top:28px}
.live-panel h3{font-size:14px;text-transform:uppercase;letter-spacing:.08em;color:var(--muted);margin-bottom:12px}
.live-list{list-style:none;margin:0;padding:0;font-size:14px}
.live-list li{display:flex;gap:12px;padding:8px 0;border-bottom:1px solid rgba(42,53,68,.6);color:var(--text-dim)}
.live-list li:last-child{border-bottom:0}
.live-list time{font-size:12px;color:var(--muted);min-width:52px;font-variant-numeric:tabular-nums}
.live-list .ev{flex:1}
.live-list .tag-ev{font-size:10px;font-weight:700;padding:2px 6px;border-radius:4px;background:rgba(46,204,113,.12);color:var(--ok);align-self:flex-start}

.sec{padding:44px 0}
.sec h2{font-size:24px;margin-bottom:8px}
.sec .lead{color:var(--muted);margin:0 0 24px;max-width:60ch}
.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:16px}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--rad);padding:20px 22px;
  transition:transform .18s ease,border-color .18s ease,box-shadow .18s ease}
.card:hover{transform:translateY(-3px);border-color:rgba(212,168,83,.25);box-shadow:var(--shadow)}
.card h3{font-size:17px;margin-bottom:8px;color:var(--text)}
.card p{color:var(--muted);margin:0;font-size:14.5px;line-height:1.55}
.card .tag{font-size:11px;font-weight:700;text-transform:uppercase;letter-spacing:.08em;color:var(--acc);margin-bottom:10px;display:block}

.timeline{border-left:2px solid var(--line);margin:20px 0 0 8px;padding-left:20px}
.timeline .item{position:relative;padding-bottom:18px}
.timeline .item::before{content:"";position:absolute;left:-27px;top:6px;width:10px;height:10px;border-radius:50%;background:var(--acc);border:2px solid var(--bg)}
.timeline time{font-size:12px;color:var(--muted);display:block;margin-bottom:4px}
.timeline p{margin:0;font-size:14.5px;color:var(--text-dim)}

.faq{display:grid;gap:10px;margin-top:16px}
.faq details{background:var(--card);border:1px solid var(--line);border-radius:var(--rad);padding:0;overflow:hidden}
.faq summary{cursor:pointer;padding:14px 18px;font-weight:600;color:var(--text);list-style:none;display:flex;justify-content:space-between;gap:12px}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";color:var(--gold);font-weight:400}
.faq details[open] summary::after{content:"−"}
.faq details[open] summary{border-bottom:1px solid var(--line)}
.faq .ans{padding:0 18px 16px;color:var(--text-dim);font-size:14.5px;line-height:1.6}

.doc{display:grid;grid-template-columns:220px minmax(0,1fr);gap:36px;padding:32px 0 64px}
.doc aside{position:sticky;top:120px;align-self:start;border-right:1px solid var(--line);padding-right:16px;max-height:calc(100vh - 140px);overflow-y:auto}
.doc aside .nav-group{font-size:11px;font-weight:700;text-transform:uppercase;letter-spacing:.1em;color:var(--muted);margin:16px 0 6px}
.doc aside .nav-group:first-child{margin-top:0}
.doc aside a{display:block;color:var(--muted);padding:5px 0 5px 10px;font-size:14px;border-left:2px solid transparent;margin-left:-2px}
.doc aside a.on{color:var(--gold);font-weight:600;border-left-color:var(--acc)}
.doc aside a:hover{color:var(--text)}
.doc main{min-width:0}
.doc main h1{font-size:32px;margin-bottom:12px}
.doc main h2{font-size:22px;margin:32px 0 12px;padding-top:8px;border-top:1px solid var(--line)}
.doc main h2:first-of-type{border-top:0;padding-top:0;margin-top:24px}
.doc main h3{font-size:17px;margin:20px 0 8px;color:var(--text-dim)}
.doc main p,.doc main li{color:var(--text-dim);line-height:1.65}
.doc main .lead{font-size:18px;color:var(--muted);margin-bottom:8px}
.doc main ul{padding-left:1.2em}
.doc main ul li{margin:6px 0}

table{width:100%;border-collapse:collapse;font-size:14px;margin:16px 0;border:1px solid var(--line);border-radius:var(--rad);overflow:hidden}
th,td{text-align:left;padding:11px 14px;border-bottom:1px solid var(--line)}
tr:last-child td{border-bottom:0}
th{background:var(--ink-soft);font-weight:600;color:var(--text)}
td{color:var(--text-dim)}
tr:hover td{background:rgba(255,255,255,.02)}

.note,.warn,.tip{border-radius:var(--rad);padding:14px 18px;margin:20px 0;font-size:14.5px;line-height:1.55}
.note{border-left:3px solid var(--gold);background:var(--gold-soft);color:var(--text-dim)}
.warn{border-left:3px solid var(--acc);background:rgba(194,60,42,.12);color:var(--text-dim)}
.tip{border-left:3px solid var(--ok);background:rgba(46,204,113,.08);color:var(--text-dim)}

.badge-ver{display:inline-block;font-size:11px;font-weight:700;padding:2px 8px;border-radius:4px;margin-left:8px;vertical-align:middle}
.badge-ver.current{background:rgba(46,204,113,.15);color:var(--ok)}
.badge-ver.old{background:var(--soft);color:var(--muted)}
.badge-ver.maintained{background:rgba(94,179,214,.15);color:var(--cyan)}

.ver-table td code{font-size:12px}

footer.bot{border-top:1px solid var(--line);margin-top:12px;padding:28px 0;color:var(--muted);font-size:13.5px}
footer.bot .row{display:flex;justify-content:space-between;align-items:flex-start;gap:20px;flex-wrap:wrap}
footer.bot a{color:var(--muted)}
footer.bot a:hover{color:var(--gold)}

.archive-banner{background:rgba(194,60,42,.15);border:1px solid rgba(194,60,42,.35);border-radius:var(--rad);
  padding:12px 16px;margin:20px 0 0;font-size:14px;color:var(--text-dim)}
.archive-banner a{font-weight:600}

.flow{display:flex;flex-wrap:wrap;gap:8px;margin:16px 0;align-items:center;font-size:13px;color:var(--muted)}
.flow span{background:var(--soft);padding:6px 12px;border-radius:8px;border:1px solid var(--line)}
.flow .arr{color:var(--acc);font-weight:700}

.tab-hub{margin-top:8px}
.tab-nav{
  display:flex;flex-wrap:wrap;gap:6px;margin-bottom:0;padding-bottom:0;
  border-bottom:1px solid var(--line)
}
.tab-nav button{
  appearance:none;font:inherit;cursor:pointer;
  background:transparent;border:0;border-bottom:2px solid transparent;
  color:var(--muted);font-size:13px;font-weight:600;padding:10px 14px;margin-bottom:-1px;
  border-radius:8px 8px 0 0;transition:color .15s,background .15s,border-color .15s
}
.tab-nav button:hover{color:var(--text);background:rgba(255,255,255,.03)}
.tab-nav button[aria-selected="true"]{
  color:var(--gold);border-bottom-color:var(--acc);background:var(--card)
}
.tab-panels{
  background:var(--card);border:1px solid var(--line);border-top:0;
  border-radius:0 0 var(--rad) var(--rad);padding:22px 24px 28px;min-height:320px
}
.tab-panel[hidden]{display:none}
.tab-panel h2{font-size:20px;margin:0 0 12px;border:0;padding:0}
.tab-panel h3{font-size:16px;margin:22px 0 8px;color:var(--text)}
.tab-panel .panel-lead{color:var(--muted);font-size:15px;margin:0 0 18px;max-width:65ch}
.tab-panel .two-col{display:grid;grid-template-columns:1fr 1fr;gap:20px;margin-top:16px}
.tab-panel .mini-card{background:var(--bg-elev);border:1px solid var(--line);border-radius:10px;padding:14px 16px}
.tab-panel .mini-card h4{margin:0 0 6px;font-size:14px;color:var(--text)}
.tab-panel .mini-card p{margin:0;font-size:13.5px;color:var(--muted);line-height:1.5}
.doc aside button.tab-link{
  display:block;width:100%;text-align:left;background:none;border:0;border-left:2px solid transparent;
  color:var(--muted);padding:5px 0 5px 10px;font-size:14px;margin-left:-2px;cursor:pointer;font-family:inherit
}
.doc aside button.tab-link:hover{color:var(--text)}
.doc aside button.tab-link.on{color:var(--gold);font-weight:600;border-left-color:var(--acc)}
.kv{display:grid;grid-template-columns:minmax(120px,34%) 1fr;gap:8px 16px;font-size:14px;margin:12px 0}
.kv dt{color:var(--muted);margin:0}
.kv dd{color:var(--text-dim);margin:0}

@media(max-width:800px){
  .tab-panel .two-col{grid-template-columns:1fr}
  .tab-nav{gap:4px}
  .tab-nav button{padding:8px 10px;font-size:12px}
  .hero-grid{grid-template-columns:1fr}
  .hero-bot{max-width:200px;margin:0 auto}
  .doc{grid-template-columns:1fr}
  .doc aside{position:static;max-height:none;border-right:0;border-bottom:1px solid var(--line);padding:0 0 14px}
  .menu a{margin-left:12px;font-size:13px}
}