body { font-family: "Segoe UI", Arial, sans-serif; line-height: 1.6; color: #333; max-width: 1200px; margin: 0 auto; padding: 20px; background: #f5f7fa; }
  .container { background: #fff; padding: 30px; border-radius: 12px; box-shadow: 0 2px 12px rgba(0,0,0,0.08); }
  h1 { color: #1a3c6e; border-bottom: 3px solid #e31e24; padding-bottom: 12px; font-size: 28px; }
  h2 { color: #1a3c6e; margin-top: 28px; font-size: 20px; border-left: 4px solid #e31e24; padding-left: 12px; }
  h3 { color: #1a3c6e; font-size: 16px; margin-top: 18px; }
  table { width: 100%; border-collapse: collapse; margin: 16px 0 20px; font-size: 14px; }
  th { background: #1a3c6e; color: #fff; padding: 10px 12px; text-align: left; font-weight: 600; }
  td { padding: 8px 12px; border: 1px solid #ddd; vertical-align: top; }
  tr:nth-child(even) { background: #f8f9fc; }
  tr:hover { background: #eef2f7; }
  .highlight { background: #fff3cd; padding: 14px 18px; border-left: 4px solid #ffc107; border-radius: 4px; margin: 16px 0; }
  .feature-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; margin: 12px 0; }
  .feature-item { background: #f0f4fa; padding: 10px 14px; border-radius: 6px; font-size: 14px; }
  @media (max-width: 600px) { .feature-grid { grid-template-columns: 1fr; } }