.mainImg {
    width: 100%;
  }
  .main{
      justify-content: space-between;
      margin-top: 80px;
      margin-bottom: 85px;
  }
  .main_left_title:hover span{
    border-bottom: 3px solid #9f9f9f;
    /* transition: all 1s; */
  }
  .main_left_title span{
      font-weight: bold;
      font-size: 1.56rem;
      cursor: pointer;
      padding-bottom: 22px;
  }
  .main_left ul{
      margin-top: 50px;
  }
  .main_left ul li{
      margin-bottom: 10px;
  }
  .main_right img:hover{
    /* transform: scale(1.1); */
    transition: all 1s;
  }