.content{
    width: 80%;
    margin: 0 auto;
    height: auto;
    color:#666666;
    overflow-y: scroll;
}
.nav-con{
    margin-top: 30px;
    height: 30px;
    border-bottom: 2px solid #0653a5;
    position: relative;
}
.about-nav{
    height: 30px;
    line-height: 30px;
    width: 150px;
    overflow: hidden;
    padding-left: 30px;
    background-color: #0653a5;
    color: #FFFFFF;
    font-size: 16px;
    font-weight: bold;
    top:0;
}
.about-con{
    text-indent: 28px;
    line-height: 25px;
    margin-top: 30px;
}