/* Stone-crusher product pages and four-product listing only. */
.stone-products-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.stone-card-thumb { overflow: hidden; }
.stone-intro { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 42px; align-items: center; padding: 66px 0; }
.stone-intro-photo { aspect-ratio: 1 / 1; background: #fff; overflow: hidden; }
.stone-intro-photo img { width: 100%; height: 100%; object-fit: contain; }
.stone-intro-copy { min-width: 0; }
.stone-intro-copy h2 { font-size: clamp(24px, 3vw, 34px); line-height: 1.3; margin: 8px 0 18px; }
.stone-intro-copy p { color: var(--gray); margin-bottom: 24px; }
.stone-kicker { font-size: 12px; font-weight: 700; color: var(--blue); }
.stone-tags { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 28px; }
.stone-tags span { background: var(--sky); color: var(--blue-dark); padding: 5px 10px; font-size: 13px; }
.stone-model-section { background: #fff; }
.stone-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 24px; }
.stone-model { min-width: 0; border: 1px solid var(--line); background: #fff; display: grid; grid-template-columns: minmax(130px, 43%) minmax(0, 1fr); overflow: hidden; scroll-margin-top: 96px; }
.stone-model-photo { min-width: 0; min-height: 290px; background: #f5f7fa; display: grid; place-items: center; }
.stone-model-photo img { width: 100%; height: 100%; max-height: 340px; object-fit: contain; }
.stone-model-content { min-width: 0; padding: 20px 18px; }
.stone-model-content h3 { color: var(--blue-dark); margin-bottom: 12px; font-size: 18px; }
.stone-spec { border-collapse: collapse; width: 100%; font-size: 13px; }
.stone-spec th, .stone-spec td { text-align: left; vertical-align: top; padding: 6px 3px; border-bottom: 1px solid var(--line); }
.stone-spec th { width: 52%; color: var(--gray); font-weight: 500; }
.stone-spec td { font-weight: 700; }
.stone-compare-section h2, .stone-related h2 { margin-bottom: 24px; font-size: 26px; }
.stone-table-scroll { overflow-x: auto; border: 1px solid var(--line); background: #fff; }
.stone-comparison { border-collapse: collapse; width: 100%; min-width: 790px; text-align: left; font-size: 14px; }
.stone-comparison th, .stone-comparison td { padding: 12px 14px; border-bottom: 1px solid var(--line); white-space: nowrap; }
.stone-comparison thead { background: var(--blue-dark); color: #fff; }
.stone-comparison tbody tr:nth-child(even) { background: #f2f6fb; }
.stone-comparison a { color: var(--blue); font-weight: 700; }
.stone-comparison a:hover { text-decoration: underline; }
.stone-note { color: var(--gray); margin-top: 20px; }
.stone-related { padding-top: 0; }
.stone-related .product-card { max-width: 580px; }
.stone-related-grid { grid-template-columns: repeat(4, minmax(0, 1fr)); }
@media (max-width: 960px) {
  .stone-related-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .stone-grid { grid-template-columns: 1fr; }
}
@media (max-width: 640px) {
  .stone-products-grid, .stone-related-grid, .stone-intro { grid-template-columns: 1fr; }
  .stone-intro { gap: 22px; padding: 36px 0; }
  .stone-model { grid-template-columns: 1fr; }
  .stone-model-photo { display: block; height: 260px; min-height: 0; aspect-ratio: auto; overflow: hidden; }
  .stone-model-photo img { width: 100%; height: 100%; object-fit: contain; display: block; min-height: 0; max-height: 100%; }
  .stone-model-content { padding: 18px; }
}