body{
    background-color: #fafafa;;
}
header .nav li:nth-child(3) a span {
    color: #34A0D5;
    border-bottom: 2px solid #34A0D5;
}
.serviceNav li:nth-child(2) a{
    color: #34A0D5;
}

/*banner开始*/
.banner{
    height: 450px;
    overflow: hidden;
}
.banner .neikuan{
    position: relative;
    height: 100%;
}
.banner img{
    width: 1920px;
    height: 450px;
    position: absolute;
    margin-left: -420px;
}
/*main开始*/
.main section{
    padding-bottom: 80px;
}
.main section .title{
    text-align: center;
    font-size: 40px;
    color: #444;
    font-weight: bold;
    padding: 60px 0 40px;
}
.main .item1 p{
    width: 960px;
    text-indent: 34px;
    margin: 0 auto;
    line-height: 30px;
    color: #666;
    text-align: justify;
}
.main .item1 .imgBox{
    margin: 60px 0 40px;
}
.main .item1 .imgBox img{
    width: 520px;
    height: 390px;
    float: left;
}
.main .item1 .imgBox .img2{
    float: right;
}
.main .item2 .title2{
    text-align: center;
}
.main .item2 .imgBox img{
    width: 1080px;
}
.main .item2 .imgBox .box{
    margin-top: 100px;
    text-align: center;
    position: relative;
}
.main .item2 .imgBox .box .mark{
    width: 200px;
    height: 80px;
    background-color: #2e78c1;
    font-size: 32px;
    color: #fff;
    line-height: 80px;
    text-align: center;
    position: absolute;
    top: -40px;
}
.main .item2 .imgBox .box p{
    width: 520px;
    height: 240px;
    color: #666;
    text-indent: 34px;
    line-height: 30px;
    text-align: left;
    position: absolute;
    left: 20px;
    top: 60px;
}
.main .item2 .imgBox .box1 p{
    padding-top: 48px;
}
.main .item2 .imgBox .box2 p{
    padding-top: 94px;
}
.main .item2 .imgBox .box3 p{
    padding-top: 94px;
}
.main .item2 .imgBox .box4 p{
    padding-top: 94px;
}
.main .item2 .imgBox .box5 p{
    padding-top: 94px;
}
.main .item3{
    text-align: center;
}
.main .item3 img{
    width: 1021px;
}