.project_mainu2{background-color: #fff;position:relative;overflow:hidden; height: 175px;}
.project_main2{background-color: #fff;position:relative;overflow:hidden;/* width:660px; *//* height: 200px; */}
.project_main2  ul{/* margin-top:10px; */ overflow: hidden;list-style-type:none;}
.project_main2  li{width: 300px;float: left; margin:-1px 0 0 -1px; height:25px;border-left:1px dashed #ccc;border-bottom:1px dashed #ccc;padding:5px;line-height:25px;font-family:'microsoft yahei';}