.detail-desc .description-heading {
  margin: 1.7em 0 .55em;
  font-family: var(--serif);
  font-size: clamp(1.25rem, 2vw, 1.55rem);
  font-weight: 500;
  line-height: 1.25;
  color: var(--ink);
}

.detail-desc .description-heading:first-child { margin-top: 0; }
.detail-desc .description-heading + p { margin-top: 0; }
.detail-desc .feature-list + .description-heading { margin-top: 1.9em; }