html,body{
    min-width: 1200px;
    background: #fff;
    font-size: 16px;
}
.header{
    width: 1200px;
    margin: 0 auto;
    height: 90px;
    /*overflow: hidden;*/
}
.logo,.nav{
    float: left;
}
.logo{
    line-height: 90px;
    margin-left: 5px;
}
.content-text{
    width: 1200px;
    margin: 0 auto;
    margin-top: 65px;
    overflow: hidden;
}
.content{
    overflow: hidden;
    margin-bottom: 140px;
}
.left{
    float: left;
    position: relative;
    z-index: 3;
}
.right{
    float: left;
    margin-left: 50px;
    width: 942px;
    position: relative;
    /*overflow: hidden;*/
}
.footer{
    width:100%;
    height: 68px;
    line-height: 68px;
    background-color:#0168d9;
    color: white;
    font-size: 14px;
    text-align: center;
    min-width: 1250px;
}

nav{
    background: #fff;
}