:root{--bg:#f6f7fb;--text:#1d2130;--muted:#6b7185;--brand:#4f6bed;--card:#fff}
@media (prefers-color-scheme:dark){:root{--bg:#14161d;--text:#e6e8ef;--muted:#9aa0b3;--card:#1c1f28}}
*{box-sizing:border-box}
body{margin:0;background:var(--bg);color:var(--text);font:16px/1.6 system-ui,-apple-system,"Segoe UI",Roboto,sans-serif}
.doc{max-width:760px;margin:0 auto;padding:28px 16px 60px;background:var(--card);min-height:100vh}
h1{font-size:26px;line-height:1.25;margin:14px 0 4px}
h2{font-size:18px;margin:28px 0 8px}
.ver,.muted{color:var(--muted);font-size:14px}
.req{border-left:3px solid var(--brand);padding:10px 14px;margin:16px 0;background:color-mix(in srgb,var(--brand) 7%,transparent);border-radius:0 10px 10px 0;font-size:15px}
.fill{background:#ffe66d;color:#3a3000;padding:0 4px;border-radius:4px}
a{color:var(--brand)} .back{text-decoration:none;font-size:14px}
ul{padding-left:22px} li{margin:3px 0}
.all{display:flex;flex-wrap:wrap;gap:8px 18px;font-size:14px}
hr{border:0;border-top:1px solid color-mix(in srgb,var(--muted) 30%,transparent);margin:34px 0 16px}