.nav{
    overflow:hidden;
    width: 1920px; 
    height:80px ;
    background-color: rgb(16,119,136);
}

.header{
    overflow: visible;
    margin:0 auto;
    text-align: center;
    width: 58.3vw;
    height:80px ;
    background-color: rgb(16,119,136);
}
.i1{
    margin-top: 13px;
    float: left;
    /* width: 147.28px; */
    height: 58.3px;
    
}
.header ul{
    /* margin-left: 350px; */
    padding: 0;
    width: 600px;
    float: right;
}
.header>ul>li{
            margin-left: 50px;
            width: 100px;
            /* padding-left: 50px; */
            float: left;
            height: 50px;
            text-align: center;
}
.header>ul>li>a{
            font-size: 18px;
            
            color: rgb(235,245,247);
            line-height: 55px;
            /* border-bottom: 2px solid #f0301e; */
            display: block;
            text-decoration: none;
}
.header>ul>li:hover>a{
    border-bottom: 6px solid #FFFFFF;
}
.box{
    text-align: center;
    width: 1920px;
    height: 720px;
    background-image: url(../img4/bg-2.jpg);
    background-repeat: no-repeat;
    /* display: inline-block; */
}
.box>.box1{
    display: inline-block;
    width: 1920px;
    height: 720px;
    background-color: rgba(51,51,51, .4);
}
.box>.box1>hr{
    width: 513px;
    height: 3px;
    background-color: #FEFEFE;
    display: inline-block;
    position: relative;
    top: 342px;
    right: 560px;
    border: 0;
}

.box>.box1>.h2{
    /* width: 513px; */
    /* height: 3px; */
    
    background-color: #FEFEFE;
    position: relative;
    top: 160px;
    left: 560px;
}
.box>.box1>p{
    /* display: inline-block; */
    font-size: 54px;
    color: #FEFEFE;
    position: relative;
    top: 185px;
}
.box>.box1>.kehu{
    
    font-size: 120px;
    color: #FFFFFF;
    position: relative;
    top: 244px;
}
.box3{
    text-align: center;
    width: 1920px;
    height: 280px;
    background-color: #FFFFFF;
}
.box3>.d1{
    /* text-align: center; */
    display: inline-block;
    width: 250px;
    height: 150px;
    background-color: #FFFFFF;
    position: relative;
    top: 50px;
    left: -330px;
}
.box3>.d1>.k1{
    
    text-align: center;
    /* display: inline-block; */
    color: #FFFFFF;
    width: 216px;
    height: 39px;
    background-color: #107788;
}
.box3>.d1>.k1>p{
    font-size: 19px;
    position: relative;
    top: 6px;
}
.box3>.d1>.k2{
    width: 0;
    height: 0;
    border-width: 10px;
    border-top: 17px;
    border-style: solid;
    border-color: #107788 transparent transparent transparent;
    position: relative;
    left: 100px;
}
.box3>.d1>span{
    font-size: 27px;
    color: #333333;
    position: relative;
    left: -8px;
    top: -6px;
}
.box3>.d1>p>a{
    text-decoration:none;
    font-size: 12px;
    color:#404040 ;
    position: relative;
    left: -36px;
    top: -20px;
}
.box3>.d2{
    display: inline-block;
    width: 278px;
    height: 100px;
    background-color: #FFFFFF;
    position: relative;
    top: 0px;
}
.box3>.d2>span{
    font-size: 27px;
}
.box3>.d2>p{
    margin-top: 18px;
    margin-bottom: 0px;
    float: left;
    font-size: 12px;
    position: relative;
    left: 55px;
    line-height: 3px;
}
.box3>.d2>p>a{
    text-decoration:none;
    color: #404040;
}
.box4{
    width: 1920px;
    height: 400px;
    background-color: #EEEEEE;
    border-bottom: 1px solid #707070;
}
.box4>.d3{
    /* display: inline-block; */
    text-align: center;
    width: 265px;
    height: 320px;
    background-color: #EEEEEE;
    position: relative;
    left: 360px;
    top: 60px;
}
.box4>.d3>span>b{
    float: left;
    font-size: 24px;
    color:#107788;
}
.box4>.d3>img{
    margin-top: 26px;
    width: 213px;
    height: 213px;
    float: left;
}
.box4>.d3>p{
    display: inline-block;
    color: #333333;
    font-size: 20px;
    position: relative;
    bottom: 16px;
    right: 23px;
}
.box4>.d4{
    text-align: center;
    /* display: inline-block; */
    width: 305px;
    height: 195px;
    background-color: #EEEEEE;
    position: relative;
    left: 632px;
    bottom: 217px;
}
.box4>.d4>.s1>img{
    float: left;
    height: 34px;
}
.box4>.d4>.s1>p{
    font-size: 18px;
    color: #333333;
    position: relative;
    top: 10px;
    right: 15px;
}
.box4>.d4>.s2>b{
    font-size: 25px;
    color: #107788;
    position: relative;
    right: 1px;
    letter-spacing:1px;
}
.box4>.d4>.s3>img{
    height: 34px;
    /* display: block; */
    position: relative;
    right: 90px;
}
.box4>.d4>.s3>p{
    color: #323232;
    font-size: 16px;
    position: relative;
    bottom: 47px;
    left: 18px;
}
.box4>.d4>.s4>img{
    height: 30px;
    position: relative;
    bottom: 55px;
    right: 89px;
}
.box4>.d4>.s4>p{
    font-size: 16px;
    color: #323232;
    position: relative;
    bottom: 100px;
    right: 6px;
}
.box4>.d5{
    /* display: inline-block; */
    width: 148px;
    height: 118px;
    background-color: #EEEEEE;
    position: relative;
    left: 991px;
    bottom: 500px;
}
.box4>.d5>span{
    font-size: 18px;
    color: #107788;
    position: relative;
    left: 8px;
}
.box4>.d5>hr{
    margin-top: 6px;
    background-color: #107788;
    width: 128px;
    height: 1px;
    border: 0;
    /* border: 1px solid #7FB1BA; */
    /* border-bottom: 1px solid #7FB1BA; */
}
.box4>.d5>ul{
    list-style: none;
    font-size: 14px;
    position: relative;
    right: 25px;
    bottom: 7px;
    line-height: 25px;
}
.box4>.d6{
    width: 148px;
    height: 118px;
    background-color:#EEEEEE;
    position: relative;
    left: 1167px;
    bottom: 618px;
}
.box4>.d6>span{
    font-size: 18px;
    color: #107788;
    position: relative;
    left: 8px;
}
.box4>.d6>hr{
    margin-top: 6px;
    background-color: #107788;
    width: 128px;
    height: 1px;
    border: 0;
    /* border: 1px solid #7FB1BA; */
    /* border-bottom: 1px solid #7FB1BA; */
}
.box4>.d6>ul{
    list-style: none;
    font-size: 14px;
    position: relative;
    right: 25px;
    bottom: 7px;
    line-height: 25px;
}
.box4>.d7{
    width: 148px;
    height: 118px;
    /* background-color:  */
    background-color:#EEEEEE;
    position: relative;
    left: 1357px;
    bottom: 736px;
}
.box4>.d7>span{
    font-size: 18px;
    color: #107788;
    position: relative;
    left: 8px;
}
.box4>.d7>hr{
    margin-top: 6px;
    background-color: #107788;
    width: 128px;
    height: 1px;
    border: 0;
    /* border: 1px solid #7FB1BA; */
    /* border-bottom: 1px solid #7FB1BA; */
}
.box4>.d7>ul{
    list-style: none;
    font-size: 14px;
    position: relative;
    right: 25px;
    bottom: 7px;
    line-height: 25px;
}

.box8{
    width: 1920px;
    height: 265px;
    background-color: #FFFFFF;

}
.box8>.s5{
    font-size: 18px;
    color: #333333;
    position: relative;
    top: 20px;
    left: 360px;
}
.box8>.s6{
    font-size: 18px;
    color: #333333;
    position: relative;
    top: 20px;
    left: 960px;
}

.box5{
    /* text-align: center; */
    /* margin-top: 48px; */
    /* text-align: center; */
    width: 1920px;
    height: 300px;
    background-color: #333333;
}
.box5>hr{
    width: 1034px;
    height: 1px;
    background-color: #FFFFFF;
    border: 1px solid #999999;
    /* border-top: 1px solid #999999; */
    position: relative;
    top: 60px;
}
.box5>.s6{
    text-align: center;
    display: inline-block;
    width: 146px;
    height: 25px;
    background-color: #333333;
    font-size: 22px;
    color: #FFFFFF;
    position: relative;
    top: 34px;
    left: 880px;
}
.box5>.d13{
    text-align: center;
    color:rgb(250,244,244) ;
    position: relative;
    top: 50px;
}
.box5>.d13>.s8{
    margin-right: 250px;
    margin-left: 250px;
}
.box5>.d13>.s7,.s8,.s9{
    font-size: 15px;
}
.box5>.box6{
    display: inline-block;
}
.box6>p{
    font-size: 19px;
    color: #EEEEEE;
    position: relative;
    top: 55px;
    line-height: 45px;
    left: 550px;
}
.box5>.box6>.b1>.g1{
    width: 150px;
    height: 65px;
    /* display: inline-block; */
    position: relative;
    bottom: 40px;
    left: 1250px;
}
.box5>.box6>.b1>.g2{
    width: 55px;
    height: 60px;
    position: relative;
    left: 1290px;
    bottom: 30px;
}