.bg{
    background-image: url("../images/service/service_bg.png");
    background-attachment:fixed;
    background-repeat:no-repeat; background-size:100% 100%; ;
    padding: 0px;
}
.row{margin-right: 0px;}
.prodacut{text-align: center;font:normal  normal 21px/36px "microsoft yahei";color:#ffffff;margin-top: 8%}
.row_msg{margin-top: 0.3%}
.service_img{width:35%;height: 35%;}
.msg{text-align: center;font:normal  lighter 10px/14px "microsoft yahei";color:#ffffff;}
.row_course_img{width: 100%;margin: auto;margin-top: 26%;background-color: #ffffff;padding-top: 7%;filter:alpha(Opacity=95);opacity: 0.9;padding-bottom: 10% }
.row_company{margin: auto;margin-top:8%}
.info{margin-top: 3%; font:normal  lighter 13px/20px "microsoft yahei";}
.course{text-align: center;font:normal  normal 20px/36px "microsoft yahei";color:#3c3c3c;margin-top: 5%}
.pro_img{margin: auto;display: block}
.floor{background-color: #383838;padding-top: 1.5%;padding-bottom: 1.5%}
.copyright{font-size: 10px;line-height: 28px;color:#999999;margin-top: 0.3%}