.agarwood-chips-comparison { font-family: Arial, sans-serif; line-height: 1.6; color: #333; }
.grade-table { width: 100%; border-collapse: collapse; margin: 20px 0; }
.grade-table th, .grade-table td { border: 1px solid #ddd; padding: 12px; text-align: left; }
.grade-table th { background-color: #f8f5f0; }
.grade-table tr:nth-child(even) { background-color: #f9f9f9; }
.grade-details { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; margin: 30px 0; }
.grade-panel { padding: 20px; border-radius: 5px; }
.grade-a { background-color: #f0f7ff; border-left: 4px solid #4a90e2; }
.grade-b { background-color: #f9f9f9; border-left: 4px solid #7ed321; }
.usage-section { background-color: #fff8e1; padding: 15px; border-radius: 5px; }
@media (max-width: 768px) {
  .grade-details { grid-template-columns: 1fr; }
  .grade-table { font-size: 14px; }
}