body,h1,h2,h3,h4,h5,h6,ul,li{
    margin: 0;padding: 0;font-weight: normal;
    list-style: none;
}
a{
    color: #000;
    text-decoration: none;
}
.fix{
    width: 100%;height: 50px;
    position: fixed;
    background: #fff5dc;
    z-index: 1;
}
/* 导航栏 */
.nav{
    width: 100%;height: 120px;
    position: absolute;
    left: 0;top: 50px;
    margin: auto;
}
.nav-0{
    width: 160;height: 42px;
    position: absolute;
    left: 350px;top: 50%;margin-top: -21px;
    font-size: 32px;
    text-align: center;
    float: left;
    font-weight: normal;
    color: #1e50ae;
    cursor: pointer;
}
.nav-right{
    width: 629px;height: 120px;
    margin-left: 50%;
}
.nav-1{
    width: 100px;height: 120px;
    border: 1px solid #fff ;
    text-align: center;
    font-weight: normal;
    font-size: 14px;
    line-height: 120px;
    cursor: pointer;
    float: left;
}
/* bannner */
.banner{
    width: 100%;height: 300px;
    position: absolute;
    top: 170px;
    background: url(../img/19.jpg);
}
/* 主体 */
.technical{
    width:100%;height: 1500px;
    position: absolute;
    top: 470px;
}
.technical-top{
    width: 1208px;height: 50px;
    position: absolute;
    top: 70px;left: 350px;
}
.technical-top-item{
    width: 300px;height: 50px;
    position: relative;
    text-align: center;
    font-size: 16px;
    font-family: '微软雅黑';
    cursor: pointer;
    line-height: 50px;
    float: left;
    border: 1px solid #d9d9d9;
    color: #666666;
    background: #ffffff;
}
.technical-top-item:nth-child(1):hover{
    background: #1e50ae;
    color: #fff;
}
.technical-top-item:nth-child(2):hover{
    background: #1e50ae;
    color: #fff;
}
.technical-top-item:nth-child(3):hover{
    background: #1e50ae;
    color: #fff;
}
.technical-top-item:nth-child(4):hover{
    background: #1e50ae;
    color: #fff;
}
.technical-bottom{
    width: 1200px;height: 1348px;
    position: absolute;
    top: 152px;
    left: 350px;
}
.one{
    width: 1200px;height: 1155px;
    position: absolute;
    top: 152px;
    left: 350px;
}
.two{
    width: 1200px;height: 1155px;
    position: absolute;
    top: 152px;
    left: 350px;
}
.three{
    width: 1200px;height: 1155px;
    position: absolute;
    top: 152px;
    left: 350px;
}
.four{
    width: 1200px;height: 1155px;
    position: absolute;
    top: 152px;
    left: 350px;
}
.technical-bottom-item{
    width: 1190px;height: 174px;
    position: relative;
    float: left;
    margin-bottom: 37px;
}
.technical-bottom-item-img-1{
    width: 301px;height: 157px;
    position: absolute;
    float: left;
    background: url(../img/23.jpg);
}
.technical-bottom-item-img-2{
    width: 301px;height: 157px;
    position: absolute;
    float: left;
    background: url(../img/24.jpg);
}
.technical-bottom-item-img-3{
    width: 301px;height: 157px;
    position: absolute;
    float: left;
    background: url(../img/25.jpg);
}
.technical-bottom-item-img-4{
    width: 301px;height: 157px;
    position: absolute;
    float: left;
    background: url(../img/26.jpg);
}
.technical-bottom-item-font-1{
    width: 849px;height: 23px;
    position: absolute;
    left: 313px;
    font-size: 16px;
    line-height: 23px;
    font-family: '微软雅黑';
    color: #000;
    float: left;
}
.technical-bottom-item-font-2{
    width: 849px;height: 22px;
    position: absolute;
    top: 38px;left: 313px;
    font-size: 14px;
    line-height: 24px;
    font-family: '微软雅黑';
    color: #999999;
    float: left;
}




/* 底部 */
.bottom{
    width: 100%;height: 326px;
    position: absolute;
    top:1970px;
    background: rgb(52,52,52)
}
.bottom-title{
    width: 722px;height: 26px;
    position: absolute;
    top: 53px;left: 50%;
    margin-left: -361px;
}
.bottom-title-item{
    width: 56px;height: 19px;
    margin-right: 50px;
    text-align: center;
    line-height: 19px;
    font-size: 14px;
    font-family: '微软雅黑';
    color: #b2b2b2;
}
.bottom-call{
    width: 1260px;height: 150px;
    position: absolute;
    top: 119px;
    left: 50%;
    margin-left: -630px;
    border-top: 2px solid rgb(60,60,60)
}
.bottom-call-1{
    width: 101px;height: 19px;
    position: absolute;
    top: 30px;left: 50%;
    margin-left: -50.5px;
    text-align: center;
    line-height: 19px;
    font-size: 14px;
    font-family: '微软雅黑';
    color: #737373;
}
.bottom-call-2{
    width: 204px;height: 45px;
    position: absolute;
    top: 50px;left: 50%;
    margin-left: -102px;
    text-align: center;
    line-height: 45px;
    font-size: 34px;
    font-family: '微软雅黑';
    color: #d9d9d9;
}