body{
    transition: all 2s;
}
.serive-banner{
    height: 414px;

}
.serive2_2{
    bottom: 60px;
    left: 80px;
    width: 500px;
}
.seriver3_1 li{
    height: 100%;
    padding: 8px 20px;
}
.seriver3{
    z-index: 1000;
}
.seriver3_1 li a{
    color: #222222;
}
.seriver3_1 li.active{
    border-bottom: 1px solid #3586df;
}
.seriver3_1 li.active a{
    color: #3586df;
}
.seriver3_2>div{
    margin: 50px 0;
}
.seriver3_2 .img{
    width: 671px;
    height: 397px;
    background: #a5a5a5;
}
.seriver3_2 .text{
    padding: 60px;
    padding-right: 100px;
}
.seriver3_2 .h2{
    white-space: nowrap;
}