#header{
  position: sticky !important;
  top: 0;
  left: 0;
}
.product-active {
  color: #fff;
  background-color: #2F5596;
}
.tds-main{
  overflow-y: auto;
  .header-bg{
    width: fit-content;
  }
  .solution{
    background-image: url('../images/tds-window-img.png');
    background-repeat: no-repeat;
    background-size: cover;
    .header{
      width: 66%;

      .brief-introduction{
        width: 66%;
        font-size: 16px;
        color: #fff;
        line-height: 30px;
        margin-top: 18px;
      }
    }
  
    .header-title{
      color: #fff;
      font-size: 28px;
      font-weight: 600;
    }
    .header-btn{
      color: #fff;
      padding: 8px 12px;
      border-radius: 4px;
      cursor: pointer;
      background-color: #2F5596;
    }
    .trial{
      color: #fff;
      background-color: #A4ADB3;
    }
    .demo{
      border: 1px solid #bbb;
    }
  }
  .introduce-wrap{
    padding: 40px 0;
    background-color: #F4F8FE;
    .introduce-text{
      width: 66%;
      max-width: 1400px;
      margin: 0 auto;
      font-size: 16px;
      line-height: 30px;
    }
  }
  
  .product-matrix{
    margin-top: 29px;
    max-height: 560px;
    .product-matrix-title{
      font-size: 36px;
      color: #1E2128;
      text-align: center;
      margin: 0 auto 22px;
    }
    .product-list{
      li{
        padding: 4px 12px;
        margin-right: 36px;
        border-radius: 4px;
        cursor: pointer;
  
        &:last-child{
          margin: 0;
        }
      }
      
    }
    .product-item-content{
      margin: 50px 0 27px;
      height: 330px;
      box-sizing: border-box;
      .matrix-content{
        display: none;
        &:first-child{
          display: block;
        }
        .second-tabs{
          ul{
            width: 30%;
          }
          .second-tabs-item{
            padding: 10px;
            text-align: center;
            margin-bottom: 18px;
            border-radius: 4px;
            cursor: pointer;
            /* border: 1px solid #BBBBBB; */
          }
          .second-tabs-img{
            width: 50%;
            margin-left: 36px;
            img{
              display: none;
              width: 100%;
              height: 100%;
              object-fit: cover;

              &:first-child{
                display: block;
              }
            }
          }
        }
      }
    }
  }
  
  .product-introduce{
    .tabs{
      margin: 20px 0;
      padding: 80px 0 10px;
      box-shadow: 2px 3px 8px 2px rgba(0, 0, 0, 0.11);
      li{
        margin-right: 40px;
        cursor: pointer;
      }
    }
  
    .title{
      font-size: 36px;
      color: #1E2128;
      text-align: center;
      margin: 50px 0;
    }
    img {
      width: 100%;
      object-fit: cover;
    }
    .product-background{
      padding: 38px 0;
      background-color: #F4F8FE;
      p{
        text-indent: 2em;
        margin-bottom: 14px;
        line-height: 30px;
        &:last-child{
          margin: 0;
        }
      }
    }
  }

  .product-characteristic{
    margin-bottom: 10px;
    ul{
      width: 100%;
      justify-content: space-between;
      .product-characteristic-item{
        width: 30%;
        margin-bottom: 20px;
        box-shadow: 0px 2px 6px 0px rgba(216, 216, 216, 0.4);
        .characteristic-title{
          text-align: center;
          height: 36px;
          line-height: 36px;
          color: #fff;
          font-size: 16px;
          background-color: #2F5596;
        }
        li{
          font-size: 13px;
          padding: 6px 12px;
          text-align: center;
        }
      }
    }
  }

  .data-category{
    .category-item{
      width: 292px;
      height: 250px;
      box-shadow: 0px 2px 6px 0px rgba(216, 216, 216, 0.4);

      img{
        width: 100%;
        /* object-fit: cover; */
      }
    }
  }

  .core-advantages{
    padding: 47px 0;
    background-color: #F4F8FE;
  }
}

.content-block{
  display: block !important;
}
.content-none{
  display: none !important;
}