.cs1-product-page .cs1-related-card img {
  mix-blend-mode: multiply;
}

/* Keep high-frequency mobile actions comfortably tappable. */
.cs1-product-page .cs1-spec-anchor,
.cs1-product-page .cs1-secondary-action,
.cs1-product-page .cs1-guide-links a,
.cs1-product-page summary {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
}
.cs1-product-page .cs1-guide-links a {
  padding-block: 7px;
}

.ct-cs1-single .ct-contact-rail { display: none; }

.cs1-product-page .cs1-image-disclosure {
  margin: 9px 0 0;
  color: #52606d;
  font-size: 12px;
  line-height: 1.5;
}

.cs1-product-page .cs1-hero {
  grid-template-columns: minmax(320px, 540px) minmax(0, 660px);
  gap: clamp(36px, 5vw, 84px);
  align-items: center;
  padding-top: 30px;
  padding-bottom: 72px;
}
.cs1-product-page .cs1-gallery-stage {
  border: 1px solid #e0e5e9;
  border-radius: 12px;
  background: #f3f5f6;
}
.cs1-product-page .cs1-hero-copy h1 { margin-bottom: 18px; }
.cs1-product-page .cs1-hero-summary {
  max-width: 610px;
  margin-bottom: 18px;
  color: #3c4853;
  font-size: clamp(16px, 1.35vw, 19px);
  line-height: 1.6;
}
.cs1-product-page .cs1-use-fit {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  margin: 0 0 22px;
}
.cs1-product-page .cs1-use-fit div {
  padding: 13px 15px;
  border: 1px solid #dfe5e9;
  border-radius: 8px;
  background: #f7f9fa;
}
.cs1-product-page .cs1-use-fit span {
  color: #61707c;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .04em;
  text-transform: uppercase;
}
.cs1-product-page .cs1-use-fit p {
  margin: 5px 0 0;
  color: #26323b;
  font-size: 14px;
  line-height: 1.45;
}
.cs1-product-page .cs1-evidence-facts {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  margin: 0;
  border-top: 1px solid #d9e0e5;
  border-bottom: 1px solid #d9e0e5;
}
.cs1-product-page .cs1-evidence-facts div { padding: 16px 14px 16px 0; }
.cs1-product-page .cs1-evidence-facts div + div { padding-left: 16px; border-left: 1px solid #d9e0e5; }
.cs1-product-page .cs1-evidence-facts dt {
  color: #586673;
  font-size: 11px;
  letter-spacing: .05em;
}
.cs1-product-page .cs1-evidence-facts dd {
  margin: 6px 0 0;
  color: #18222b;
  font-size: 17px;
  line-height: 1.3;
  overflow-wrap: anywhere;
}
.cs1-product-page .cs1-hero-actions { margin-top: 25px; }
.cs1-product-page .cs1-hero-actions .cs1-spec-anchor { margin-bottom: 0; }
.cs1-product-page .cs1-nominal-drawing {
  margin: 0 0 24px;
  border: 1px solid #dbe1e7;
  border-radius: 8px;
  background: #fff;
}
.cs1-product-page .cs1-nominal-drawing summary {
  padding: 15px 18px;
  color: #18222b;
  font-weight: 700;
  cursor: pointer;
}
.cs1-product-page .cs1-nominal-drawing > p { margin: 0; padding: 0 18px 12px; font-size: 13px; }
.cs1-product-page .cs1-nominal-drawing .cs1-drawing-scroll { padding: 0 18px 18px; }

@media (max-width: 1023px) {
  .cs1-product-page .cs1-hero { grid-template-columns: minmax(0, 1fr); align-items: start; }
}
@media (max-width: 520px) {
  .cs1-product-page .cs1-use-fit { grid-template-columns: minmax(0, 1fr); }
}

.cs1-product-page .cs1-source-overview {
  display: grid;
  grid-template-columns: minmax(240px, 0.8fr) minmax(0, 1.2fr);
  gap: 24px;
  margin: 0 0 30px;
  align-items: stretch;
}
.cs1-product-page .cs1-source-geometry {
  display: flex;
  flex-direction: column;
  justify-content: center;
  margin: 0;
  padding: 18px;
  background: #f1f3f5;
  border-radius: 10px;
}
.cs1-product-page .cs1-source-geometry img {
  display: block;
  width: 100%;
  max-height: 240px;
  object-fit: contain;
}
.cs1-product-page .cs1-source-geometry figcaption {
  margin-top: 11px;
  color: #52606d;
  font-size: 12px;
  line-height: 1.5;
}
.cs1-product-page .cs1-source-reading {
  padding: 22px 26px;
  background: #17212b;
  border-radius: 10px;
  color: #f4f7fa;
}
.cs1-product-page .cs1-source-reading h3 {
  margin: 0 0 16px;
  color: #fff;
  font-size: 19px;
}
.cs1-product-page .cs1-source-reading p {
  margin: 0 0 11px;
  color: #e5edf4;
  font-size: 13px;
  line-height: 1.6;
}
.cs1-product-page .cs1-source-reading p:last-child { margin-bottom: 0; }

.cs1-product-page .cs1-model-selector {
  border: 1px solid #dbe1e7;
  border-radius: 10px;
  overflow: hidden;
  background: #fff;
}
.cs1-product-page .cs1-model-selector-head,
.cs1-product-page .cs1-model-selector-action {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 16px 20px;
}
.cs1-product-page .cs1-model-selector-head { background: #f5f7f9; }
.cs1-product-page .cs1-model-selector-head strong,
.cs1-product-page .cs1-model-selector-head span { display: block; }
.cs1-product-page .cs1-model-selector-head strong { color: #17212b; font-size: 16px; }
.cs1-product-page .cs1-model-selector-head span { color: #52606d; font-size: 12px; line-height: 1.5; }
.cs1-product-page .cs1-model-search input {
  width: min(290px, 100%);
  min-height: 44px;
  padding: 10px 13px;
  border: 1px solid #aebbc7;
  border-radius: 6px;
  background: #fff;
  color: #17212b;
}
.cs1-product-page .cs1-model-selector .cs1-scroll-hint { padding: 9px 20px 0; }
.cs1-product-page .cs1-model-selector .cs1-table-scroll { max-height: 520px; overflow: auto; }
.cs1-product-page .cs1-spec-section .cs1-model-selector table { min-width: 680px; font-size: 13px; }
.cs1-product-page .cs1-spec-section .cs1-model-selector th,
.cs1-product-page .cs1-spec-section .cs1-model-selector td { padding: 10px 12px; border-color: #e1e5e9; vertical-align: middle; }
.cs1-product-page .cs1-spec-section .cs1-model-selector th { position: sticky; top: 0; z-index: 1; background: #20272e; }
.cs1-product-page .cs1-spec-section .cs1-model-selector .cs1-select-column { width: 68px; text-align: center; }
.cs1-product-page .cs1-spec-section .cs1-model-selector td:nth-child(2) { font-weight: 600; white-space: nowrap; }
.cs1-product-page .cs1-spec-section .cs1-model-selector tr:has(input:checked) { background: #fff0f0; }
.cs1-product-page .cs1-spec-section .cs1-model-selector tr:not([hidden]) { cursor: pointer; }
.cs1-product-page .cs1-spec-section .cs1-model-selector input[type="radio"] { width: 18px; height: 18px; accent-color: #e6232b; cursor: pointer; }
.cs1-product-page .cs1-model-selector-action { border-top: 1px solid #dbe1e7; }
.cs1-product-page .cs1-model-selector-action p { margin: 0; color: #394650; font-size: 13px; line-height: 1.5; }
.cs1-product-page .cs1-model-quote {
  min-height: 44px;
  flex: 0 0 auto;
  padding: 10px 18px;
  border: 0;
  border-radius: 6px;
  background: #e6232b;
  color: #fff;
  font-weight: 700;
  cursor: pointer;
}
.cs1-product-page .cs1-model-quote:disabled { background: #d9dee3; color: #5d6872; cursor: not-allowed; }
.cs1-product-page .cs1-model-empty { padding: 12px 20px; margin: 0; color: #394650; }
.cs1-product-page .cs1-model-empty[hidden],
.cs1-product-page .cs1-model-selector tr[hidden] { display: none; }
.cs1-product-page .cs1-spec-footnote { margin-top: 17px; color: #52606d; font-size: 13px; line-height: 1.6; }

@media (max-width: 760px) {
  .cs1-product-page .cs1-hero { gap: 22px; padding-top: 18px; }
  .cs1-product-page .cs1-evidence-facts { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .cs1-product-page .cs1-evidence-facts div:last-child { grid-column: 1 / -1; padding: 13px 0; border-top: 1px solid #d9e0e5; border-left: 0; }
  .cs1-product-page .cs1-hero-actions .cs1-spec-anchor { text-align: center; }
  .cs1-product-page .cs1-source-overview { grid-template-columns: 1fr; gap: 12px; }
  .cs1-product-page .cs1-model-selector-head,
  .cs1-product-page .cs1-model-selector-action { align-items: stretch; flex-direction: column; gap: 12px; }
  .cs1-product-page .cs1-model-search input { width: 100%; }
  .cs1-product-page .cs1-model-quote { width: 100%; }
}