:root{--ink:#0d2238;--muted:#55657a;--brand:#00857F;--bg:#f6f8fa;--card:#fff;--line:#e3e8ee}
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]){--ink:#e8eef4;--muted:#a6b3c2;--brand:#3cc2b9;--bg:#0e1620;--card:#152230;--line:#24364a}}
*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--ink);font:16px/1.65 system-ui,-apple-system,"Segoe UI",Roboto,sans-serif}
header{background:var(--card);border-bottom:1px solid var(--line);padding:14px 16px;display:flex;align-items:center;gap:12px;flex-wrap:wrap}
header img{height:30px}header nav{margin-left:auto;display:flex;gap:14px;flex-wrap:wrap;font-size:14px}
a{color:var(--brand)}main{max-width:820px;margin:0 auto;padding:24px 16px 64px}
.doc{background:var(--card);border:1px solid var(--line);border-radius:16px;padding:24px 22px}
h1{font-size:1.7rem;line-height:1.25;margin:0 0 6px}h2{font-size:1.15rem;margin:28px 0 8px}h3{font-size:1rem;margin:18px 0 6px}
.meta{color:var(--muted);font-size:14px;margin:0 0 18px}ul,ol{padding-left:1.3em}li{margin:4px 0}
.note{background:color-mix(in srgb,var(--brand) 10%,transparent);border-left:4px solid var(--brand);padding:10px 14px;border-radius:8px;font-size:14px}
table{width:100%;border-collapse:collapse;font-size:14px;margin:10px 0}th,td{border:1px solid var(--line);padding:8px;text-align:left;vertical-align:top}
footer{text-align:center;color:var(--muted);font-size:13px;padding:24px 16px}