.wp_nav { display:block; margin: 0; padding: 0;display: block; *zoom:1;}
.wp_nav * {margin: 0; padding: 0;}
.wp_nav:after {clear: both;content: ".";display: block;height: 0;visibility: hidden;}
.wp_nav .nav-item {display:inline-block;float:left;position:relative;vertical-align:bottom;}
.wp_nav .on { z-index:10;}
.wp_nav .nav-item .mark {display:block; width:100%; height:100%; position:absolute; left:0;top:0; z-index:99;}
.wp_nav .nav-item a{ font-family:"Microsoft Yahei"; display:block;text-align:center;position:relative; z-index:100;}
.wp_nav .nav-item a.parent:hover{}
.wp_nav .nav-item a.parent {color:#000;}
.wp_nav .nav-item a span.item-name {display:inline-block;padding:5px 10px;line-height:22px;cursor:pointer;}

.wp_nav .sub-nav .nav-item {/* white-space:nowrap; */float: none;display: block;}
.wp_nav .sub-nav .nav-item .mark {/* background:#fff; */}
.wp_nav .sub-nav .nav-item a {font-family:"Microsoft Yahei"; font-size:13px;font-weight:normal; color:#000;text-align:left;border-top:1px solid #D8E1CC;min-width: 80px;}
.wp_nav .sub-nav .nav-item a.parent:hover{ background:#eee;color:#000;}
.wp_nav .sub-nav .nav-item a.parent { background:#eee;color:#000;}
.wp_nav .sub-nav .nav-item a span.item-name {padding:5px 10px;line-height:22px;}
.wp_nav .nav-item a.parent:hover span.item-name{}
.wp_nav .nav-item a.parent span.item-name{}
.wp_nav .sub-nav .nav-item a.parent:hover span.item-name{}
.wp_nav .sub-nav .nav-item a.parent span.item-name{}
.wp_nav>li:hover .sub-nav{display:block;}