.bannerBg
{
    left:0;
    right:0;
    margin-left :0;
    margin-right :0;
    background-color :#000000;
    height :160px;
}

.bannerTxt
{
    position: relative;
    width: 536px;
    height: 72px;
    margin-left: -550px;
    left:50%;
    top:50px;
}

.mainContent
{
    position: relative;
    width: 100%;
    margin-left: auto;
    margin-right :auto;
    margin-top: 80px;
    left:0;
    right:0;
    height:1700px;
}

.project
{
    margin-top: 50px;
    margin-left: auto;
    margin-right :auto;
    left:0;
    right:0;
    height: 522px;
    border-bottom: 1px solid #e1e1e1;
    opacity:0;
}

.project img
{
    margin-left: auto;
    margin-right :auto;
    right:0;
    left:0;
    position:absolute;
}

.article
{
    width: 1100px;
    font-size: 12px;
    line-height: 30px;
    margin-top:10px;
    color: #434343;
    margin-left: auto;
    margin-right :auto;
    right:0;
    left:0;
    position:absolute;
    text-indent:25px;
}

.link
{
    margin-left: auto;
    margin-right :auto;
    right:0;
    left:0;
    width:80px;
    position:absolute;
    color: #3399ff;

}