.product_btns{
  margin-top: 63px;
}
.pd_btn{
  width: 160px;
  line-height: 40px;
  background: #E6E6E6;
  font-size: 16px;
  font-weight: 400;
  text-align: center;
  margin-right: 10px;
  color: #666666;
  cursor: pointer;
}
.pd_btn:hover,.pd_act{
  background: #133984;
  color: #FFFFFF;
}
.product_bx{
  flex-wrap: wrap;
  margin-bottom: 98px;
}
.product_item{
  width: 32%;
  margin-right: 1%;
  margin-top: 40px;
}
.pd_img{
  width: 100%;height: 15vw;
}
.pd_title{
  line-height: 100px;
  text-align: center;
  font-size: 18px;
  font-weight: 400;
  color: #666666;
  background: #F2F2F3;
}

@media screen and (max-width:768px) {
  .product_btns{
    justify-content: center;
  }
  .product_bx{
    justify-content: space-between;
  }
  .product_item{
    width: 49%;
    margin-right: 0;
  }
}