.welcome{height:40px;background: #171717;}
.welcome .left{font-size:14px;color:#fff;}
.welcome .item,.welcome .toggle_lang{margin-left:10px;}
.welcome .menu_icon{max-width: 14px;}
.welcome .menu_text{font-size:14px;color:#fff;padding:0 10px;border-right:1px solid #fff;}
.welcome .lang_text{font-size:14px;color:#fff;}
.welcome .lang_text.active{color:#3e7335;}
.logo_box{height: 160px;}
.logo_box .logo{width:145px;height:104px;}
.common_nav{height:50px;}
.common_nav .item{width: 130px;height:50px;position:relative;overflow:hidden;}
.common_nav .item .bg{position:absolute;top:0;left:0;width:0px;height:50px;background:#3e7335;transition:all .5s;}
.common_nav .item.active .bg{width:130px;}
.common_nav .item .top{font-size:16px;color:#444;transition:all .5s;z-index:999;position:absolute;top:0;right:0;width:130px;height:50px;white-space:nowrap;}
.common_nav .item.active .top{color:#fff;}