/* ===== 一级 Tab 样式 ===== */
    .prod-primary-tabs {
      display: flex;
      justify-content: center;
      margin-bottom: 30px;
      padding: 0 20px;
      background-color: #f5f5f5;
      list-style: none;
      border-radius: 100px;
      overflow: hidden;
    }
    .prod-primary-tabs > li {
      margin: 0 35px;
    }
    .prod-primary-tabs > li > a {
      padding: 12px 24px;
      color: #666 !important;
      text-decoration: none;
      border: none;
      border-radius: 50px;
      font-size: 30px;
      font-weight: 500;
      transition: all 0.3s ease;
    }
    .prod-primary-tabs > li.active > a {
      background-color: #2FC1AC;
      color: white !important;
      box-shadow: 0 2px 8px rgba(47, 193, 172, 0.3);
    }
    .prod-primary-tabs > li > a:hover {
      background-color: #e0f2f1;
      color: #2FC1AC;
    }

    /* ===== Tab 内容区 ===== */
    .prod-tab-content > .prod-tab-pane {
      display: none;
    }
    .prod-tab-content > .prod-tab-pane.active {
      display: block;
    }

    /* ===== 二级导航 ===== */
    .secondary-nav {
      background-color: #F8FCFC; /*fafafa;*/
      border-right: 1px solid #eee;
      padding-top: 20px;
    }
    .secondary-nav .prod-nav {
      display: flex;
      flex-direction: column;
      padding: 0;
      margin: 0;
      list-style: none;
    }
    .secondary-nav .prod-nav > li {
      width: 100%;
    }
    .secondary-nav .prod-nav > li > a {
      display: block;
      padding: 14px 20px;
      color: #1FB19B; /* #555;*/
      font-size: 15px;
      text-decoration: none;
      transition: all 0.25s ease;
      text-align: left;
      border-bottom: 1px solid #eee;
    }
    .secondary-nav .prod-nav > li:last-child > a {
      border-bottom: none;
    }
    .secondary-nav .prod-nav > li.active > a,
    .secondary-nav .prod-nav > li > a:hover {
      background-color: #2FC1AC;
      color: white;
      padding-left: 25px;
      border-bottom: 1px solid #2FC1AC;
    }

    /* ===== 产品区域 ===== */
    .product-section {
      background-color: #fff;
      box-shadow: 0 4px 12px rgba(0,0,0,0.08);
      border-radius: 12px;
      overflow: hidden;
    }

    /* ===== 产品卡片 ===== */
    .product-img-card {
      height: auto;
      overflow: hidden;
    }
    
    .product-img-card img {
      width: 100%;
      height: 250px;
      padding: 10px 0;
      object-fit: contain;
      display: block;
    }
    .product-img-card:hover {
      transform: translateY(-6px) scale(1.02);
      box-shadow: 0 10px 20px rgba(0,0,0,0.12) !important;
    }
    .product-img-card:hover img {
      transform: scale(1.1);
    }

    /* ===== 卡片文字 ===== */
    .caption {
      padding: 16px;
      background: #f9f9f9;
      border-top: 1px solid #eee;
    }
    .caption h4 {
      font-size: 18px;
      margin: 0 0 8px;
      color: #333;
      font-weight: 600;
    }
    .desc {
      color: #888;
      margin: 0 0 12px;
      font-size: 14px;
    }
    .specs {
      font-size: 15px;
      color: #555;
      line-height: 1.6;
      margin: 0;
    }
    .specs strong {
      color: #2FC1AC;
      margin-right: 4px;
    }

    /* ===== 产品项显示控制 ===== */
    .product-item {
      display: none;
    }
    .product-item.show {
      display: block;
    }

    
    @media (min-width: 800px) and (max-width: 1000px) {
        .secondary-nav {
        display: none;
      }
      .prod-primary-tabs {
        gap: 10px;
        flex-wrap: wrap;
        justify-content: center;
      }
      .prod-primary-tabs > li {
        margin: 5px;
      }
      .prod-primary-tabs > li > a {
          padding: 5px 18px;
          color: #666 !important;
          text-decoration: none;
          border: none;
          border-radius: 50px;
          font-size: 14px;
          font-weight: 500;
          transition: all 0.3s ease;
      }

    }
    
    /* ===== 响应式 ===== */
    @media (max-width: 992px) {
      .product-item {
        flex: 0 0 100% !important;
        max-width: 100% !important;
      }
      .product-img-card {
        margin: 12px;
      }
      .product-img-card img {
        height: 160px;a58e5a53
      }
    }


    @media (max-width: 768px) {
      .secondary-nav {
        display: none;
      }
      .prod-primary-tabs {
        gap: 10px;
        flex-wrap: wrap;
        justify-content: center;
      }
      .prod-primary-tabs > li {
        margin: 5px;
      }
      .prod-primary-tabs > li > a {
          padding: 5px 18px;
          color: #666 !important;
          text-decoration: none;
          border: none;
          border-radius: 50px;
          font-size: 14px;
          font-weight: 500;
          transition: all 0.3s ease;
      }
    }