.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 li:hover{background-color: #5ab5d5 ;}
.wp_nav .nav-item { display:inline-block; 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:#ffffff;}
.wp_nav .nav-item a span.item-name { display:inline-block; padding:5px 26px; line-height:22px;cursor:pointer; }
.wp_nav .sub-nav {display:block; width:100%; position:absolute; z-index:200; visibility:hidden; border-top:none;}
.wp_nav .sub-nav .nav-item { white-space:nowrap; }
.wp_nav .sub-nav .nav-item .mark { }
.wp_nav .sub-nav .nav-item a span.item-name { padding:5px 10px; line-height:22px;}
.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{}