.banner {width:100%;height:190px;background:url(../../images/v1.0/product/product_banner.png) no-repeat top center;}
.sub-title {width: 1200px;
    text-align: center;
    font-size: 20px;
    color: #3c3c3c;
    margin: 100px auto 0;
    line-height: 50px;}
.sub-cont {width:925px;margin:0 auto;padding:60px 0 80px;}
.sub-cont p {font-size:14px;color:#3c3c3c;text-indent:2em;}
.sub-img {width:925px;text-align:center;margin:0 auto;}