:root{--bg:#f7f6f2;--panel:#fff;--ink:#1d1d1b;--muted:#5c5b57;--line:#e4e1da;--brand:#3b4cca;--brand-ink:#fff}
@media (prefers-color-scheme:dark){:root{--bg:#141414;--panel:#1d1d1d;--ink:#ecebe7;--muted:#a6a49e;--line:#2e2e2e;--brand:#8c98ff;--brand-ink:#141414}}
*{box-sizing:border-box}html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--ink);font:16px/1.6 system-ui,-apple-system,"Segoe UI",Roboto,sans-serif}
a{color:var(--brand)}
.wrap{max-width:860px;margin:0 auto;padding:0 16px}
header{border-bottom:1px solid var(--line);background:var(--panel)}
header .wrap{display:flex;align-items:center;justify-content:space-between;gap:12px;min-height:60px;flex-wrap:wrap}
.logo{font-weight:800;letter-spacing:.04em;text-decoration:none;color:var(--ink)}
nav a{margin-left:14px;font-size:.95rem}
main{padding:32px 0 48px}
h1{font-size:1.9rem;line-height:1.25;margin:0 0 8px}h2{font-size:1.3rem;margin:32px 0 8px}h3{font-size:1.08rem;margin:24px 0 6px}
.lead{color:var(--muted);font-size:1.08rem;margin:0 0 24px}
.grid{display:grid;gap:16px;grid-template-columns:repeat(auto-fill,minmax(240px,1fr))}
.card{background:var(--panel);border:1px solid var(--line);border-radius:12px;padding:18px}
.card h2{margin:0 0 6px;font-size:1.15rem}.card p{margin:0 0 12px;color:var(--muted);font-size:.95rem}
.links a{display:inline-block;margin:0 12px 4px 0;font-size:.92rem}
.doc{background:var(--panel);border:1px solid var(--line);border-radius:12px;padding:24px}
.doc ul{padding-left:20px}.meta{color:var(--muted);font-size:.9rem}
hr{border:0;border-top:1px solid var(--line);margin:32px 0}
footer{border-top:1px solid var(--line);color:var(--muted);font-size:.9rem;padding:20px 0 32px}
footer a{margin-right:14px}