body { font-family: system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif; line-height: 1.6; margin: 24px; }
  
    h1, h2, h3 { line-height: 1.25; }
    code, pre { font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, "Liberation Mono", monospace; }
    pre { background: #ffffff; padding: 12px 14px; border-radius: 8px; overflow-x: auto; }
    .note { background: #f8fafc; border-left: 4px solid #94a3b8; padding: 10px 12px; border-radius: 6px; }
    ul, ol { padding-left: 22px; }
    strong { font-weight: 700; }