:root{--bg:#060c19;--card:#0b1830;--line:#1d3357;--tx:#e7effd;--mu:#9fb3d1;--cy:#22d3ee;--bl:#3b82f6}
@media (prefers-color-scheme: light){:root{--bg:#f5f8fc;--card:#fff;--line:#d5deeb;--tx:#0b1830;--mu:#4a5d7a;--cy:#0e7490;--bl:#1d4ed8}}
*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--tx);font:16px/1.65 system-ui,-apple-system,Segoe UI,Roboto,sans-serif}
a{color:var(--cy)}header,main,footer{max-width:900px;margin:0 auto;padding:0 16px}
header{display:flex;align-items:center;gap:10px;padding-top:18px}header a{text-decoration:none;color:var(--tx);font-weight:700;display:flex;align-items:center;gap:8px}
header img{width:28px;height:28px}nav.bc{font-size:13px;color:var(--mu);margin:14px 0 4px}nav.bc a{color:var(--mu)}
h1{font-size:clamp(24px,4.5vw,34px);line-height:1.2;margin:6px 0 10px}h2{font-size:20px;margin:28px 0 8px}
.lead{color:var(--mu);font-size:17px}.cta{display:inline-block;margin:14px 0 6px;padding:12px 20px;border-radius:10px;background:linear-gradient(90deg,var(--cy),var(--bl));color:#04101f;font-weight:700;text-decoration:none}
.box{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:14px 16px;margin:8px 0;overflow-x:auto}
.box p{margin:6px 0}.f{font-family:ui-monospace,Consolas,monospace;font-size:15px}ul{padding-left:20px}
.rel{display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:8px;padding:0;list-style:none}.rel li{background:var(--card);border:1px solid var(--line);border-radius:10px;padding:10px 12px}
details{background:var(--card);border:1px solid var(--line);border-radius:10px;padding:10px 14px;margin:8px 0}summary{cursor:pointer;font-weight:600}
footer{color:var(--mu);font-size:13px;padding:28px 16px 40px}.grp{margin:22px 0}.grp h2 a{text-decoration:none}
.list{columns:2 300px;column-gap:24px;padding-left:18px}.list li{break-inside:avoid;margin:2px 0;font-size:14.5px}
input#q{width:100%;padding:12px 14px;border-radius:10px;border:1px solid var(--line);background:var(--card);color:var(--tx);font-size:16px}