/* Topic index. Consistent banner ratios and equal-height descriptions. */

.coll-list-page {
  width: min(1200px,calc(100% - 48px));
  margin: 0 auto;
}

.coll-list-page .container {
  width: 100%;
}

.topic-grid {
  display: grid;
  grid-template-columns: repeat(3,minmax(0,1fr));
  gap: 24px;
  margin-bottom: 30px;
}

.topic-card {
  min-width: 0;
  padding: 16px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.topic-card img {
  width: 100%;
  height: auto;
  aspect-ratio: 2.4;
  border-radius: 8px;
}

.topic-card h3.section-heading {
  display: block;
  font-size: 17px;
  margin: 14px 0 5px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.topic-card .topic-date {
  color: var(--muted);
  font-size: 12px;
}

.topic-card .topic-summary {
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  height: 44px;
  margin-top: 8px;
  font-size: 13px;
  line-height: 22px;
  color: #8490a0;
}

.topic-recommendations {
  margin-bottom: 28px;
}