.header_box{min-width:1190px;height: 35px;background: #f5f5f5;}
.header_wrap{height: 35px;}
.herder_left{float: left;}
.herder_left a{margin-right: 30px;font-size: 12px;color: #f58307;line-height: 35px;}
.herder_left a.letter{background:url("../images/letter.png") no-repeat left;color: #888;padding-left: 25px;}
.herder_right{float: right;text-align: right;}
.herder_right a{margin-left: 30px;font-size: 12px;color: #888;display: block;float: left;line-height: 35px;}
.herder_right .sub_menu{position: relative;display: inline-block;float: left;}
.herder_right .sub_menu ul{display: none;position: absolute;width: 80px;top: 35px;left: 0;z-index: 1;text-align: center;}
.herder_right .sub_menu:hover ul{display: block;}
.herder_right .sub_menu a.arrow_down{background: url(../images/arrow_down.png) right no-repeat;padding-right: 15px;}
.herder_right .sub_menu ul li a {display: block;width:65px;text-align: center;background: white;}
.herder_right .sub_menu ul li a:hover{color: #205bb4;}