:root{--bg:#0b0d10;--bg2:#12161b;--fg:#e6e9ee;--fg2:#9aa4b2;--line:#1e242c;--acc:#5aa9ff;--chip:#17202a}
@media(prefers-color-scheme:light){:root{--bg:#fff;--bg2:#f6f8fa;--fg:#121619;--fg2:#5b6572;--line:#e4e8ee;--acc:#0b63c5;--chip:#eef4fb}}
*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--fg);font:15px/1.6 system-ui,"Segoe UI",sans-serif}
a{color:var(--acc);text-decoration:none}a:hover{text-decoration:underline}
.top{border-bottom:1px solid var(--line);background:var(--bg)}
.bar{display:flex;gap:18px;align-items:center;flex-wrap:wrap;max-width:1100px;margin:0 auto;padding:12px 20px 6px}
.brand{font-weight:700;font-size:18px;color:var(--fg);letter-spacing:-.01em}
.top nav.main{display:flex;gap:16px;font-size:14px;margin-left:auto}
.top nav.cats{display:flex;flex-wrap:wrap;gap:4px 14px;max-width:1100px;margin:0 auto;padding:4px 20px 10px;font-size:13px;scrollbar-width:thin}
.top nav.cats a{color:var(--fg2)}.top nav.cats a:hover{color:var(--acc)}
main{max-width:1100px;margin:0 auto;padding:18px 20px}
.crumbs{font-size:13px;color:var(--fg2);margin:0 0 12px}.crumbs span{margin:0 4px;opacity:.6}.crumbs b{font-weight:500;color:var(--fg)}
h1{font-size:25px;line-height:1.25;margin:0 0 6px;letter-spacing:-.01em}h2{font-size:18px;margin:30px 0 10px}h3{font-size:15px;margin:18px 0 4px}
.sub{color:var(--fg2);font-size:13px;margin:0 0 18px}
.lead{font-size:16px;max-width:780px}
.prose{max-width:780px}.prose p{margin:0 0 12px}
table{width:100%;border-collapse:collapse;font-size:14px}
th,td{text-align:left;padding:8px 10px;border-bottom:1px solid var(--line);vertical-align:top}
th{color:var(--fg2);font-weight:600;font-size:13px}
td.n,th.n{text-align:right;font-variant-numeric:tabular-nums}
.specs th{width:38%;font-weight:500;color:var(--fg2)}
.wrap{overflow-x:auto}
.cards{display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:12px}
.card{border:1px solid var(--line);border-radius:10px;padding:14px;background:var(--bg2)}
.card b{display:block;margin-bottom:4px}.card p{margin:4px 0 0;color:var(--fg2);font-size:13px}
.facts{border:1px solid var(--line);border-left:3px solid var(--acc);border-radius:8px;padding:12px 16px;margin:16px 0 8px;background:var(--bg2);max-width:780px}
.facts h2{margin:0 0 8px;font-size:15px}.facts table{font-size:14px}.facts th{width:42%;color:var(--fg2);font-weight:500}.facts td,.facts th{padding:5px 0;border-bottom:1px solid var(--line)}
.facts tr:last-child td,.facts tr:last-child th{border-bottom:0}
.faq h3{font-size:15px}.faq p{margin:0 0 8px;color:var(--fg2);max-width:780px}
.chips{display:flex;flex-wrap:wrap;gap:8px;margin:6px 0}.chips a{background:var(--chip);border-radius:999px;padding:4px 12px;font-size:13px}
.pager{display:flex;gap:6px;flex-wrap:wrap;margin:18px 0;font-size:14px}
.pager a,.pager span{border:1px solid var(--line);border-radius:6px;padding:5px 10px}
.search{display:flex;gap:8px;margin:0 0 20px;max-width:520px}
.search input{flex:1;background:var(--bg);color:var(--fg);border:1px solid var(--line);border-radius:8px;padding:9px 12px;font-size:14px}
.search button{background:var(--acc);color:#fff;border:0;border-radius:8px;padding:9px 18px;font-size:14px;cursor:pointer}
.doc{max-width:760px}.doc h2{font-size:16px;margin:22px 0 6px}.doc p,.doc li{color:var(--fg2);font-size:14px}
.cite{font-size:13px;color:var(--fg2);border-top:1px solid var(--line);margin-top:28px;padding-top:12px}.cite code{font-size:12px}
.az{display:flex;flex-wrap:wrap;gap:6px;margin:8px 0 16px}.az a{border:1px solid var(--line);border-radius:6px;padding:2px 9px;font-size:13px}
dl.terms dt{font-weight:600;margin-top:14px}dl.terms dd{margin:2px 0 0;color:var(--fg2);max-width:780px}
.foot{max-width:1100px;margin:40px auto 0;padding:18px 20px;border-top:1px solid var(--line);color:var(--fg2);font-size:13px}
.kv{display:grid;grid-template-columns:150px 1fr;gap:6px 14px;font-size:14px}
.kv dt{color:var(--fg2)}.kv dd{margin:0;font-variant-numeric:tabular-nums}
@media(max-width:640px){.top nav.cats{flex-wrap:nowrap;overflow-x:auto;white-space:nowrap}.top nav.main{margin-left:0}h1{font-size:21px}.specs th{width:45%}}