:root { --bg: #f6f5f2; --fg: #1d1f24; --muted: #5f6470; --accent: #1e6fff; --card: #fff; --line: #e2e0da; }
* { box-sizing: border-box; }
body { margin: 0; font: 16px/1.6 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif; color: var(--fg); background: var(--bg); }
header { background: #12284f; color: #fff; }
header .wrap { display: flex; align-items: center; gap: 24px; flex-wrap: wrap; padding: 14px 20px; }
header a { color: #dfe7ff; text-decoration: none; font-weight: 500; }
header a.brand { color: #fff; font-weight: 700; font-size: 19px; }
header a[aria-current] { color: #fff; border-bottom: 2px solid #fff; }
.wrap { max-width: 920px; margin: 0 auto; padding: 24px 20px; }
h1 { font-size: 30px; line-height: 1.25; margin: 8px 0 12px; }
h2 { font-size: 22px; margin: 32px 0 8px; }
p.lead { font-size: 18px; color: var(--muted); max-width: 680px; }
.card { background: var(--card); border: 1px solid var(--line); border-radius: 10px; padding: 18px 20px; margin: 14px 0; }
.grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 14px; }
.grid .card h3 { margin: 0 0 6px; font-size: 18px; }
a { color: var(--accent); }
table { border-collapse: collapse; width: 100%; font-size: 15px; }
th, td { border-bottom: 1px solid var(--line); padding: 6px 8px; text-align: left; vertical-align: top; }
th { color: var(--muted); font-weight: 600; }
code { background: #ecebe6; padding: 1px 5px; border-radius: 4px; font-size: 14px; }
.note { border-left: 4px solid #e8a33d; background: #fff8ec; padding: 10px 14px; border-radius: 4px; }
button, .btn { font: inherit; background: var(--accent); color: #fff; border: 0; border-radius: 8px; padding: 9px 16px; cursor: pointer; text-decoration: none; display: inline-block; }
button[disabled] { background: #9aa6bd; cursor: default; }
progress { width: 100%; height: 14px; }
.muted { color: var(--muted); }
footer { color: var(--muted); font-size: 14px; }
img.wide { max-width: 100%; border-radius: 8px; border: 1px solid var(--line); }
pre { background: #ecebe6; padding: 10px 12px; border-radius: 6px; overflow-x: auto; font-size: 13px; }
pre code { background: none; padding: 0; }