body { font-family: 'IBM Plex Sans Arabic', system-ui, sans-serif; margin: 0; background: #f3f6f4; color: #10201d; line-height: 1.9; }
  main { max-width: 640px; margin: 0 auto; padding: 24px 16px 48px; }
  .card { background: #fff; border-radius: 20px; padding: 22px; box-shadow: 0 10px 30px rgba(11,59,54,.06); }
  h1 { font-size: 22px; margin: 0 0 4px; } h2 { font-size: 16px; margin: 20px 0 4px; }
  p, li { color: #3d4f4b; font-size: 15px; } ol { padding-inline-start: 20px; }