.product-detail__additional,
.product-detail__specifications {
  border-block-start: 1px solid rgba(var(--color-text), 0.08);
  border-block-end: 1px solid rgba(var(--color-text), 0.08);
  border-bottom: 1px solid #c68635;
}

.product-detail__additional + .product-detail__additional {
  margin-block-start: calc(-1 * var(--info-row-gap));
  border-block-start: none;
}

.product-detail__additional .additional__trigger {
  display: flex;
  gap: 15px;
  align-items: center;
  padding: 15px 0;
  padding-left: 4px;
  padding-inline-end: 15px;
}

/* 图标样式 */
.product-detail__additional .additional__trigger > svg {
  flex-shrink: 0;
  width: 24px;
  height: 24px;
  color: #c68635;
}

.product-detail__additional .additional__title {
  flex: 1 0 0;
  color: #c68635;
}

.product-detail__additional .additional__content {
  padding: 0 5px;
  overflow: hidden;
}

.product-detail__additional .additional__content::after {
  display: block;
  height: 15px;
  content: "";
}

/* 展开/收起图标切换 */
.product-detail__additional .additional__toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.product-detail__additional .additional__toggle svg {
  width: 20px;
  height: 20px;
  color: #c68635;
}

/* 默认：显示加号，隐藏减号 */
.product-detail__additional .additional__toggle--plus {
  display: flex;
}

.product-detail__additional .additional__toggle--minus {
  display: none;
}

/* 展开时：隐藏加号，显示减号 */
.product-detail [open] .additional__toggle--plus {
  display: none;
}

.product-detail [open] .additional__toggle--minus {
  display: flex;
}

@media (max-width: 959px) {
  .product-detail {
    padding-top: 0 !important;
  }

  .product-detail__additional .additional__trigger {
    gap: 4px;
    padding: 12px 0;
  }

  .product-detail__additional .additional__trigger > svg {
    width: 24px;
    height: 24px;
  }

  .product-detail__additional .additional__content {
    padding: 0 2px;
  }

  .product-detail__additional .additional__content p {
    color: #666;
    font-size: 12px;
  }

  .product-detail__additional .additional__title {
    font-size: 14px;
  }
}