body { font-family: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial; line-height: 1.6; color: #111; padding: 24px; max-width: 900px; margin: auto; }
    h1,h2,h3 { color: #0b3b66; margin-top: 1.2em; }
    p { margin: 0.7em 0; }
    ul { margin: 0.5em 0 1em 1.2em; }
    .note { font-size: 0.95em; color:#444; background:#f7f9fb; padding:10px; border-radius:6px; }
    pre { white-space: pre-wrap; word-wrap: break-word; background:#f4f6f8; padding:12px; border-radius:6px; }