.mdp4000_wrap{width: 100%;min-width: 1200px;}
.bg-wrap{background: url(../../images/about.png) 100% 100% no-repeat;height:150px;position:relative;width: 100%;}
.nav-wrap{left:100px;position: absolute;top:50px;}
.nav-wrap>p:nth-of-type(1){color:#333;font-weight:bold;font-size: 34px;height: 40px;line-height: 40px;}
.nav-wrap>p:nth-of-type(2){color:#333;height: 50px;line-height: 50px;}
/*产品介绍*/
.production_wrap{margin:auto;padding:40px 0 100px 0;width: 1200px;}
.desc_title{border-bottom:1px dashed #ccc;color:#000;font-size:16px;font-weight:bold;height: 40px;line-height: 40px;}
.production_wrap .production_ul{/*height:500px;*/list-style: disc;margin:auto;padding:30px 0;width: 80%;}
.production_wrap .production_ul li p{font-size: 14px;height: 26px;line-height: 26px;text-align: left;}
.mdpimg{text-align: center;}