:root { --bg: #f6f8f7; --fg: #17201c; --muted: #55625c; --brand: #08905b; --card: #ffffff; --line: #dfe6e2; }
@media (prefers-color-scheme: dark) {
  :root { --bg: #0f1513; --fg: #e8eeeb; --muted: #a3b0aa; --brand: #4fd1a0; --card: #17201c; --line: #2a3530; }
}
* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); color: var(--fg); font: 16px/1.6 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif; }
main { max-width: 760px; margin: 0 auto; padding: 32px 16px 64px; }
header { display: flex; align-items: center; gap: 12px; margin-bottom: 24px; }
header img { width: 48px; height: 48px; border-radius: 12px; }
header strong { font-size: 22px; }
h1 { font-size: 28px; line-height: 1.25; margin: 0 0 8px; }
h2 { font-size: 19px; margin: 32px 0 8px; color: var(--brand); }
p, li { color: var(--fg); }
.muted { color: var(--muted); }
.card { background: var(--card); border: 1px solid var(--line); border-radius: 12px; padding: 16px 20px; }
a { color: var(--brand); }
table { width: 100%; border-collapse: collapse; font-size: 15px; }
th, td { text-align: left; padding: 8px; border-bottom: 1px solid var(--line); vertical-align: top; }
footer { margin-top: 48px; font-size: 14px; color: var(--muted); }