:root{--bg:#f6f7fb;--card:#fff;--text:#161b26;--muted:#5b6475;--accent:#1a75ff;--line:#e3e7ef}
@media (prefers-color-scheme:dark){:root{--bg:#0b0f1a;--card:#131a2a;--text:#e9edf5;--muted:#9aa4b8;--line:#243049}}
*{box-sizing:border-box}html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--text);font:16px/1.6 -apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Arial,sans-serif}
.wrap{max-width:780px;margin:0 auto;padding:24px 16px 64px}
header{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:12px;margin-bottom:8px}
.brand{font-weight:700;font-size:18px}
nav.lang a{display:inline-block;padding:6px 12px;border:1px solid var(--line);border-radius:999px;color:var(--text);text-decoration:none;font-size:14px;margin-left:6px}
nav.lang a:first-child{margin-left:0}
section.doc{background:var(--card);border:1px solid var(--line);border-radius:16px;padding:24px 20px;margin-top:20px}
h1{font-size:26px;line-height:1.25;margin:0 0 4px}h2{font-size:19px;margin:28px 0 8px}
.date{color:var(--muted);font-size:14px;margin:0 0 16px}
ul{padding-left:22px}li{margin:4px 0}a{color:var(--accent)}
.fill{background:#fff3b0;color:#5a4600;padding:0 4px;border-radius:4px;font-weight:600}
.note{border-left:3px solid var(--accent);padding:4px 12px;color:var(--muted)}
table{border-collapse:collapse;width:100%;font-size:15px}td,th{border:1px solid var(--line);padding:8px;text-align:left;vertical-align:top}
.tbl{overflow-x:auto}