/* 商品详情描述区（additional 折叠块组）全宽化 —— 2026-10-07 */
.product-detail__main { flex-wrap: wrap; }
.product-detail__additional {
  flex-basis: 100%;
  width: 100%;
  max-width: 1700px;
  margin-left: auto;
  margin-right: auto;
}
.product-detail__additional .additional__content {
  width: 100%;
  max-width: 1700px;
  margin-left: auto;
  margin-right: auto;
}
@media (max-width: 749px) {
  .product-detail__additional,
  .product-detail__additional .additional__content { max-width: 100%; }
}