body { font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif; max-width: 720px; margin: 40px auto; padding: 0 20px; line-height: 1.6; color: #2a1840; background: #fbf7ff; }
  h1 { font-size: 28px; margin-bottom: 4px; }
  h2 { font-size: 18px; margin-top: 28px; }
  .small { color: #6b5a82; font-size: 14px; }