/* 同款细节：大图、自然比例、无衬边。 */
.item-details,
.item-story:nth-of-type(even) .item-details {
  grid-column: 2 / 12;
  grid-row: auto;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  width: 100%;
  max-width: none;
  gap: 32px;
  margin: 28px 0 0;
  padding: 0;
  background: transparent;
  align-items: start;
}
.item-details .item-photo { margin: 0; width: 100%; }
.item-details .item-photo:nth-child(2) { margin-top: 64px; }
.item-details .item-photo:nth-child(3) { width: 100%; margin-top: 0; }
.item-details .item-photo button,
.item-details .item-photo img {
  background: transparent;
  border: 0;
  padding: 0;
  box-shadow: none;
}
.item-details .item-photo img {
  display: block;
  width: 100%;
  height: auto;
  max-height: none;
  aspect-ratio: auto !important;
  object-fit: contain;
}
.item-details:has(> figure:only-child),
.item-story:nth-of-type(even) .item-details:has(> figure:only-child) {
  grid-column: 3 / 11;
  grid-template-columns: 1fr;
  padding: 0;
  margin-top: 24px;
  background: transparent;
}
/* 旧版图文模块采用两列网格，细节横跨完整模块。 */
body:not(.page-essentials) .item-intro {
  position: static;
}
body:not(.page-essentials) .item-story .item-details,
body:not(.page-essentials) .item-story:nth-of-type(even) .item-details {
  grid-column: 1 / -1;
  grid-row: 3;
}
@media (max-width: 700px) {
  .item-details,
  .item-story:nth-of-type(even) .item-details {
    width: 100%;
    gap: 14px;
    margin-top: 6px;
    align-self: stretch;
  }
  .item-details .item-photo:nth-child(2) { margin-top: 30px; }
  .item-details:has(> figure:only-child),
  .item-story:nth-of-type(even) .item-details:has(> figure:only-child) {
    width: 88%;
    padding: 0;
    margin-top: 14px;
    align-self: flex-end;
  }
}