body{
    background: #f8f8f8;
}
.content{
    width: 1200px;
    margin: 0 auto;
    padding-top: 120px;
}
.content-rt{
    float: right;
    padding: 0 18px;
    width: 915px;
    background: #fff;
   
}
.cont-nav{
    height: 60px;
    line-height: 60px;
    font-size: 18px;
    border-bottom: 1px solid #f2f2f2;
}
.cont-nav a{
    color: #0c7ed9;
}
.show_img{
    width: 800px;
    margin: 40px auto 80px;
}
.show_img img{
    display: block;
    width: 100%;
    margin-bottom: 10px;
}