.cont_1{
    width:1200px;
    height:550px;
    margin:100px auto;
}
.cont_1 .img{
    position: relative;
    float: left;
    width:550px;
    height:550px;
}
.cont_1 .img img:first-child{
    width:440px;
    height: 388px;
}
.cont_1 .img img:nth-child(2){
    position: absolute;
    left:200px;
    top:240px;
}
.cont_1 .font{
    float: left;
    width:650px;
    height:550px;
}
.cont_1 .font .title{
    height:80px;
    width:100%;
    padding-left: 20px;
    margin-bottom:30px;
    border-left:solid #078bbb 6px;
}
.cont_1 .font .title p{
    color:#888888;
    font-size: 16px;
}
.cont_1 .font .title h1{
    color:#333333;
    font-size: 30px;
}
.cont_1 .font p,.cont_1 .font h4 {
    font-size: 18px;
    line-height: 30px;
    color: #333333;
}
.cont_1 .font h4{
    line-height: 40px;
    margin-top: 20px;
}
.cont_1 .font a{
    color:#078bbb;
    text-decoration:none;
    display: inline-block;
    height:30px;
    font-size: 16px;
    line-height: 30px;
}
.cont_1 .font a span{
    display: inline-block;
}
.cont_1 .font a img{
    height:13px;
    margin-left: 5px;
    display: inline-block;
    vertical-align: middle;
}
.cont_2{
    clear: none;
    width:100%;
    height:600px;
    background: url("../images/img3.jpg") no-repeat;
    background-size: 100% 600px;
}
.cont_2 .all{
    height:600px;
    width:1200px;
    margin:0 auto;
}
.cont_2 .all .service{
    width:550px;
    float: left;
    height: 600px;
    background-color: rgba(7,139,187,0.7);
    color:#fff;
    padding-left: 60px;
    padding-top:130px;
    box-sizing: border-box;
}
.cont_2 .all .service h3{
    font-size: 20px;
    font-weight: normal;
    margin-top:10px;
}
.cont_2 .all .service h1{
    font-size: 34px;
    font-weight: normal;
    margin:10px 0px;
}
.cont_2 .all .service p{
    font-size: 16px;
    margin:10px 0px;
}
.cont_2 .all .project{
    width:650px;
    float: left;
    height:340px;
    margin-left:-20px;
    background-color: rgba(255,255,255,0.7);
    border-radius: 10px;
    margin-top:130px;
}
.cont_2 .all .project ul{
    width:630px;
    height:340px;
    margin-left:20px;
}
.cont_2 .all .project ul li{
    width:315px;
    height:170px;
    float:left;
}
.cont_2 .all .project ul li div{
    float:left;
}
.cont_2 .all .project ul li div:first-child{
    width:50px;
    height:50px;
    line-height: 50px;
    text-align: center;
    border-radius: 50%;
    background-color: #078bbb;
    margin-top:60px;
}
.cont_2 .all .project ul li div:first-child img{
    display: inline-block;
    vertical-align: middle;
    max-height: 25px;
    max-width: 30px;
}
.cont_2 .all .project ul li div:nth-child(2){
    width: 245px;
    margin:50px 10px 0;
}
.cont_2 .all .project ul li div h4{
    color:#333333;
    font-size: 20px;
    font-weight: normal;
    margin-bottom: 10px;
}
.cont_2 .all .project ul li div p{
    color:#606060;
    font-size: 16px;
}
.cont_3{
    margin:100px auto;
    width: 1200px;
    height:450px;
}
.cont_3 h1{
    font-weight: normal;
    color:#464646;
    font-size: 34px;
    height:60px;
    line-height: 60px;
    text-align: center;
}
.cont_3 ul{
    width:1200px;
    height: 350px;
    margin-top:50px;
}
.cont_3 ul li{
    height:350px;
    float: left;
}
.cont_3 ul li:nth-child(1),.cont_3 ul li:nth-child(3){
    width:350px;
}
.cont_3 ul li:nth-child(2){
    width:500px;
}
.cont_3 ul li:nth-child(1) h1{
    text-align: right;
}
.cont_3 ul li:nth-child(1) p{
    text-align: right;
    margin-top: 40px;
}
.cont_3 ul li:nth-child(2) div{
    float: left;
}
.cont_3 ul li:nth-child(2) div:nth-child(1),.cont_3 ul li:nth-child(2) div:nth-child(3){
    width:175px;
    margin-top:80px;
}
.cont_3 ul li:nth-child(2) div:nth-child(3) h1{
    color:#078bbb;
}
.cont_3 ul li:nth-child(2) div:nth-child(2){
    width: 150px;
}
.cont_3 ul li:nth-child(3) h1{
    text-align: left;
}
.cont_3 ul li:nth-child(3) p{
     text-align: left;
     margin-top: 40px;
}
.cont_4{
    width:100%;
    height:450px;
    background: url("../images/img4.jpg") no-repeat;
    background-size: 100% 450px;
}
.cont_4 div{
    width:1200px;
    margin:0 auto;
    text-align: center;
    color:#fff;
}
.cont_4 div h1{
    font-size: 48px;
    font-weight: bold;
    padding-top:55px;
}
.cont_4 div h2{
    font-size: 36px;
    margin-top:40px;
}
.cont_4 div h3{
    font-size: 24px;
    margin-top:40px;
}
.cont_4 div button{
    width:180px;
    height:50px;
    line-height: 50px;
    background: #ffffff;
    color:#078bbb;
    text-align: center;
    border:1px solid #fff;
    border-radius: 20px;
    margin-top:40px;
}
.cont_5{
    height:400px;
    margin-top:50px;
    text-align: center;
}
.cont_5 h1{
    font-size: 36px;
    color:#888;
    margin-bottom:30px;
}
.cont_5 input,.cont_5 textarea{
    border-radius: 10px;
    border:1px solid #ddd;
    padding:10px;
    margin-bottom:20px;
}
.cont_5 input[name="name"]{
    width:180px;
}
.cont_5 input[name="phone"]{
    width:350px;
}
.cont_5 textarea{
    width:558px;
}
.cont_5  button{
    width:180px;
    height:45px;
    line-height: 45px;
    background: #078bbb;
    color:#ffffff;
    text-align: center;
    border:1px solid #fff;
    border-radius: 20px;
}