.detail-answer { 
  display: none !important;
  max-height: 0;
  overflow: hidden;
  opacity: 0;
  transition: max-height 0.28s ease, opacity 0.28s ease;
}

.detail-answer.open {
  display: block !important;
  max-height: 2000px; /* large enough to contain content */
  opacity: 1;
}

.question.active {
  color: #e65a3a; /* match legacy orange when active */
}