*{
  box-sizing: border-box;
}

.main-content{
  width: 1072px;
  margin: 0 auto;
  padding: 70px 89px 74px;
  overflow: hidden;
}

.operate_ul{
  // overflow-x: hidden;
  padding: 0;
  // height: 240px;
  cursor: pointer;
}
.operate_ul>li{
  float: left;
  width: 280px;
  height: 224px;
  padding-top: 36px;
  background: #fff;
  text-align: center;
  transition: all 0.5s ease-in-out;
  box-shadow: 0 0 15px rgba(217, 217, 217, 0.5);
  -webkit-box-shadow: 0 0 15px rgba(217, 217, 217, 0.5);
  // transform-origin: left;
  // -ms-transform-origin: left;
  // -webkit-transform-origin: left;
}
.operate_ul>li:nth-child(2){
  margin: 0 20px;
}
.operate_ul>li:hover{
  box-shadow: 12px 12px 15px rgba(0, 0, 0, 0.15);
  -webkit-box-shadow: 12px 12px 15px rgba(0, 0, 0, 0.15);
  transform: scale(0.05) 0.5s linear;
  -ms-transform: scale(0.05) 0.5s linear;
  -moz-transform: scale(0.05) 0.5s linear;
  -webkit-transform: scale(0.05) 0.5s linear;
}
.operate_ul>h3{
  font-size: 18px;
  color: #535353;
  padding-bottom: 20px; 
}
.operate_ul>span{
  font-size: 14px;
  color: #a5a5a5;
}