.category-hero {
  background: linear-gradient(120deg, #e4f3eb, #f8fbff);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-lg);
  margin-bottom: var(--space-lg);
}
.category-intro { margin: var(--space-lg) 0; }

.category-subtopics,
.category-posts {
  margin: var(--space-lg) 0;
}

.category-subtopics-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: var(--space-sm);
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 13rem), 1fr));
}

.category-subtopics-list a {
  display: inline-flex;
  align-items: center;
  min-height: 48px;
  background: #f0f7f4;
  border: 1px solid var(--color-border);
  border-radius: 999px;
  padding: 0.5rem 0.85rem;
  text-decoration: none;
}