body{
    background-color: #fff;
}
header .nav li:nth-child(1) a span {
    color: #34A0D5;
    border-bottom: 2px solid #34A0D5;
}
.serviceNav li:nth-child(5) a{
    color: #34A0D5;
}


/*main开始*/
.main h1{
    color: #444;
    font-size: 32px;
    font-weight: bold;
}
.item1{
    margin-top: 60px;
}
.item1 .left{
    float: left;
    width: 520px;
}
.item1 .left h1{
    padding-top: 40px;
    padding-bottom: 20px;
    text-align: right;
}
.item1 .left p{
    color: #666;
    line-height: 30px;
    text-indent: 34px;
    text-align: justify;
}
.item1 .right{
    float: right;
    width: 480px;
    height: 360px;
}
.item1 .right img{
    width: 480px;
    height: 360px;
}
.item2 h1{
    text-align: center;
    margin: 100px 0 40px;
}
.item2 img{
    width: 1080px;
}
.item3{
    text-align: center;
}
.item3 .img1{
    width: 159px;
    margin: 60px 0 40px;
}
.item3 .img2{
    width: 1080px;
}
.item4{
    margin-bottom: 80px;
}