.serve-data{
    width:100%;
    height:auto;
    box-sizing: border-box;
    padding:30px 40px;
    background-color: #CDE5BF;
}
.data-title{
    color:#333;
    line-height:74px;
    font-size:22px;
    font-weight: bold;
    font-family: "微软雅黑";
}
.serve-item{
    width:350px;
    height:350px;
    box-sizing: border-box;
    padding:20px 30px;
    
}
.serve3{
    background: url('../images/n3.png') no-repeat;
    background-size: 100% 100%;
}
.serve4{
    background: url('../images/n4.png') no-repeat;
    background-size: 100% 100%; 
}
.serve5{
    background: url('../images/n5.png') no-repeat;
    background-size: 100% 100%; 
}
.serve-item div{
    color:#333;
    line-height:50px;
    font-size:25px;
    font-weight: bold;
    font-family: "微软雅黑";
    text-align: center;
}