.nav {overflow:hidden;}
.nav li{/* height: 70px; */line-height: 70px;border-bottom:solid 1px #e9e9e9;}
.nav li a{font-size: 20px;height: 70px; line-height: 70px; display:block;color:#333;}
.nav li a:hover{ color:#2373c8;}
.nav li:hover{border-color:#2373c8;}
.nav .active{border-color:#2373c8;}
.nav .active a{color:#2373c8;}
li .nav-child-item a{font-size:18px;color:#333}
li .active a{font-size:18px;color:#2373c8}
li .nav-child-item{ height:40px; line-height:40px;}
li .nav-child-item a{ height:40px; line-height:40px; display:block; padding-left:30px;}
li .nav-child-item a:hover{ height:40px; line-height:40px; display:block; background:url(../images/leftmenubar.jpg) 0 center no-repeat; padding-left:30px;}
.nav li ul.nav-child{display:none;}
.nav li.active ul.nav-child{display:block;}