body {
    margin: 0;
    padding: 0;
  }

  /* banner和面包屑 start */
  .banner-intro {
    width: 100%;
    height: 290px;
    display: flex;
    align-items: center;
    background-size: cover;
    background-repeat: no-repeat;
    background-position: center;
    position: relative;
  }

  .banner-intro::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    background-color: rgba(0, 0, 0, 0.3);
    width: 100%;
    height: 100%;
  }

  .banner-intro .main {
    width: 1200px;
    margin: 0 auto;
    position: relative;
    z-index: 2;
  }

  .banner-intro.news-bg {
    background-image: url('/static/image/entInfo/product-background-0c65de7df22cdc06f48d388d1395afff.png');
  }

  .local-title {
    font-size: 58px;
    font-weight: 500;
    line-height: 58px;
    color: #FFFFFF;
    margin: 0 0 20px 0;
  }

  .local-nav .arrow,
  .local-nav a {
    font-family: AlibabaPuHuiTi;
    font-size: 16px;
    font-weight: normal;
    line-height: 24px;
    color: #FFFFFF;
    display: inline-block;
    vertical-align: top;
    text-decoration: none;
  }

  .local-nav a:hover {
    color: #3C7BFF;
  }

  .local-nav a.no-active:hover {
    color: #FFFFFF;
    text-decoration: none;
    cursor: auto;
  }

  /* banner和面包屑 end */

  /* 内容部分 */
  .product-container {
    margin: 32px 0 110px;
  }

  /* 内容1200px 居中 左右布局 */
  .main-content {
    width: 1200px;
    margin: 0 auto;
    display: flex;
    gap: 36px;
  }

  /* 左侧菜单固定宽度，右侧内容部分则适应 */
  .product-section {
    flex: 1;
  }


  /* 小标题 侧边菜单和联系我们 start */
  .section-title {
    position: relative;
  }

  .section-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 1px;
    background-color: #ddd;
    z-index: 0;
  }

  .section-title-text {
    font-family: AlibabaPuHuiTi;
    font-size: 24px;
    font-weight: 500;
    line-height: 30px;
    color: #292929;
    padding-bottom: 8px;
    display: inline-block;
    border-bottom: 1px solid #646464;
    position: relative;
    z-index: 1;
  }

  /* 菜单 */
  .sidebar-menu {
    width: 260px;
    display: flex;
    flex-direction: column;
    gap: 12px;
  }

  .sidebar-menu-list {
    min-height: 300px;
  }

  .sidebar-menu-list>div {
    border-bottom: 1px solid #E7E9EC;
    margin-top: 12px;
  }

  .sidebar-menu-list>div a {
    padding: 12px 0 12px 14px;
    font-size: 14px;
    line-height: 20px;
    color: #646464;
    display: block;
    background-image: url('/static/image/entInfo/arr_no-0df6f27fd48d8efd1d458c140cae8e7c.png');
    background-repeat: no-repeat;
    background-position: left center;
    background-size: 10px;
    text-decoration: none;
  }

  .sidebar-menu-list>div a.active,
  .sidebar-menu-list>div a:hover {
    color: #3875F6;
    background-image: url('/static/image/entInfo/arr-172ca86c6a06220727a4e1c6eff3aba3.png');
    text-decoration: none;
  }

  .contact-us {
    width: 222px;
    margin-top: 24px;
    font-family: PingFang SC;
    font-size: 14px;
    font-weight: normal;
    line-height: 20px;
    color: #646464;
    display: flex;
    flex-direction: column;
    gap: 12px;
    word-break: break-all;
  }

  /* 小标题 侧边菜单和联系我们 end */

  .loading {
    text-align: center;
    padding: 20px;
    color: #4b6cb7;
    display: none;
  }

  .spinner {
    display: inline-block;
    width: 30px;
    height: 30px;
    border: 4px solid rgba(75, 108, 183, 0.3);
    border-radius: 50%;
    border-top-color: #4b6cb7;
    animation: spin 1s linear infinite;
    margin-right: 10px;
    vertical-align: middle;
  }