:root { --bg: #f5f4f1; --panel: #ffffff; --ink: #1d1d1f; --muted: #6b6b72; --line: #e2e0db; --accent: #d2561b; }
@media (prefers-color-scheme: dark) {
  :root { --bg: #131315; --panel: #1c1c1f; --ink: #ececee; --muted: #9a9aa3; --line: #2d2d32; --accent: #ff7a3d; }
}
html, body { margin: 0; background: var(--bg); color: var(--ink); font: 16px/1.6 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif; }
main { max-width: 760px; margin: 0 auto; padding: 24px 16px 48px; }
article { background: var(--panel); border: 1px solid var(--line); border-radius: 12px; padding: 8px 24px 24px; }
h1 { font-size: 26px; margin: 16px 0 4px; }
h2 { font-size: 18px; margin: 28px 0 6px; }
p, li { margin: 6px 0; }
ul { padding-left: 22px; }
a { color: var(--accent); }
.muted { color: var(--muted); font-size: 14px; }
nav { display: flex; gap: 16px; flex-wrap: wrap; margin-bottom: 12px; font-size: 14px; }
@media (max-width: 480px) { article { padding: 4px 16px 16px; } }