.product-detail-page {
  box-sizing: border-box;
  padding: 56px 20px 90px;
  color: #333;
}

.product-detail-page .article_title {
  margin: 0 0 38px;
  padding: 0;
  font-size: 30px;
  font-weight: 600;
  line-height: 1.4;
}

.product-detail-intro {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
  gap: 48px;
  align-items: start;
}

.product-detail-gallery {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 84px;
  gap: 12px;
}

.product-detail-gallery:not(:has(.product-detail-thumbnails)) {
  grid-template-columns: minmax(0, 1fr);
}

.product-detail-main-image {
  display: flex;
  align-items: center;
  justify-content: center;
  height: 430px;
  background: #f6f7f9;
}

.product-detail-main-image img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.product-detail-thumbnails {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.product-detail-thumbnails button {
  width: 84px;
  height: 84px;
  padding: 4px;
  border: 1px solid #e2e7ed;
  background: #f6f7f9;
  cursor: pointer;
}

.product-detail-thumbnails button.is-active {
  border: 2px solid #093AA7;
}

.product-detail-thumbnails button img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.product-detail-summary h2,
.product-detail-parameters h2 {
  margin: 0 0 20px;
  padding-bottom: 13px;
  border-bottom: 1px solid #e6e9ee;
  color: #1b2e48;
  font-size: 22px;
  font-weight: 600;
}

.product-detail-summary p {
  margin: 0 0 16px;
  color: #555;
  font-size: 16px;
  line-height: 1.9;
}

.product-detail-data table { border-collapse: collapse; max-width: 100%; }
.product-detail-data th,
.product-detail-data td { padding: 13px 12px 13px 0; border: 0; text-align: left; font-size: 15px; font-weight: 400; vertical-align: top; }
.product-detail-data th { color: #777; white-space: nowrap; }

.product-detail-facts div {
  display: flex;
  gap: 12px;
  padding: 13px 0;
  font-size: 15px;
}

.product-detail-facts dt {
  flex: 0 0 36px;
  color: #777;
}

.product-detail-facts dd {
  margin: 0;
}

.product-detail-parameters {
  margin-top: 64px;
}

.product-detail-parameters h3 { margin: 28px 0 16px; color: #1b2e48; font-size: 19px; font-weight: 600; }
.product-detail-parameters video { display: block; width: 640px; max-width: 100%; height: auto; margin: 20px 0; background: #000; }

.product-detail-table-wrap {
  overflow-x: auto;
}

.product-detail-parameters table {
  border-collapse: collapse;
  font-size: 15px;
}

.product-detail-parameters th,
.product-detail-parameters td {
  width: 50%;
  padding: 15px 22px;
  border-bottom: 1px solid #e6e9ee;
  text-align: left;
  font-weight: 400;
}

.product-detail-parameters th {
  color: #586474;
  background: #f6f8fa;
}

@media (max-width: 900px) {
  .product-detail-intro { grid-template-columns: 1fr; gap: 32px; }
  .product-detail-main-image { height: 400px; }
}

@media (max-width: 600px) {
  .product-detail-page { padding: 36px 16px 64px; }
  .product-detail-page .article_title { margin-bottom: 28px; font-size: 24px; }
  .product-detail-gallery { grid-template-columns: minmax(0, 1fr) 64px; gap: 8px; }
  .product-detail-main-image { height: 300px; }
  .product-detail-thumbnails { gap: 8px; }
  .product-detail-thumbnails button { width: 64px; height: 64px; }
  .product-detail-parameters { margin-top: 44px; }
  .product-detail-parameters th,
  .product-detail-parameters td { padding: 12px; }
}