/* Lanhu frame: a 1920 × 1000 warm-beige panel around the five event cutouts. */
.exhibition-list {
  padding: clamp(1.5rem, 2.1vw, 2.5rem);
  background: #ebe5d1;
}

.exhibition-tabs {
  width: 100%;
  max-width: 1840px;
  height: auto;
  aspect-ratio: 2.011 / 1;
  gap: clamp(0.7rem, 1.6vw, 1.95rem);
}

.exhibition-tab {
  flex: 1 1 0;
  height: 100%;
}

.exhibition-tab.is-active {
  flex: 6.303 1 0;
}

.exhibition-tab img {
  object-fit: cover;
}

@media (max-width: 800px) {
  .exhibition-list { padding: 1rem; }
  .exhibition-tabs { aspect-ratio: auto; }
  .exhibition-tab, .exhibition-tab.is-active { aspect-ratio: 165 / 250; }
  .exhibition-tab.is-active { grid-column: span 2; aspect-ratio: 1040 / 907; }
}