/* 产品详情页修复样式 - 确保导航栏居顶 */
html, body {
  margin: 0 !important;
  padding: 0 !important;
}

.main {
  margin: 0 !important;
  padding: 0 !important;
}

.product-detail-page {
  margin-top: 0 !important;
  padding-top: 0 !important;
}

/* 确保header紧贴顶部 */
.header {
  top: 0 !important;
  left: 0 !important;
  margin: 0 !important;
  padding: 0 !important;
}