.nbanner .bg{
    background: url("../images/banner5.jpg") no-repeat top center;
    height: 297px;}
.z_video{overflow: hidden;}
.z_video .jcspnr{width: 592px; height: 307px; border: 1px solid #DEDEDE; padding: 15px 13px 15px 13px; margin-left: 15px; margin-bottom: 40px;}