.nav4{
	display:none;
}
@media (max-width:767px){
.nav4{
	height:44px;
	display:block;
}}

.nav4 ul{
	position:fixed;
	z-index:10;
	bottom:0;
	left:0;
	width:100%
}
.nav4 li{
	height:44px;
	position:relative;
	-webkit-box-shadow:inset 0 0 3px #fff;
	float:left;
	width:25%;
}
.nav4 li:nth-of-type(1){border-left;0;}
.nav4 li>a{
    padding-top: 10px;
	-webkit-box-sizing:border-box;
	box-sizing:border-box;
	height:44px;
	/*border:1px solid #f9f8f9;*/
	-webkit-tap-highlight-color:rgba(0,0,0,0);
	border-bottom:0;
	display:block;
	text-align:center;
	text-decoration:none;
	color:white;
	font-size:18px;
	background:-webkit-gradient(linear, 0 0, 0 100%, from(#074e8f), to(#074e8f), color-stop(35% ,#074e8f), color-stop(50%, #074e8f) );
	  border-right: 1px solid #0457a3;
  border-left: 1px solid #01427f;
}
.nav4 li>a:only-child span{
	background:none;
	padding-left:0;
}
.nav4 li>a.on + dl{
	display: block;
}
.nav4 li>a span{
	color: #fff;
	display:block;
	-webkit-background-size: 9px auto;
}
/***********************/
.nav4 dl{
	display:none;
	position:absolute;
	z-index:220;
	bottom:60px;
	left:50%;
	width:100px;
	margin-left:-50px;
	/*min-height:100px;*/
	background:#e4e3e2;
	border:1px solid #afaeaf;
	border-radius:5px;
	-webkit-box-shadow:inset 0 0 3px #fff;
	-webkit-background-size:100%;
	background-size:100%;
}
/*, .nav4 dl:after*/
.nav4 dl:before{
	content:"";
	display:inline-block;
	position:absolute;
	z-index:240;
	bottom:0;
	left:50%;
	/*width:0;
	height:0;
	border:8px solid red;
	border-color:#afaeaf transparent transparent transparent;
	margin-left:-8px;
	margin-bottom:-16px;*/
	width:10px;
	height:8px;
	-webkit-background-size: 10px auto;
	bottom: -7px;
	margin-left: -5px;
}
/*.nav4 dl:after{
	z-index:241;
	border-color:#e4e3e2 transparent transparent transparent;
	margin-bottom:-15px;
}*/
.nav4 dl dd{
	line-height:45px;
	text-align:center;
	background:-webkit-gradient(linear, 0 0, 100% 0, from(rgba(194,194,194,0.8)), to(rgba(194,194,194,0.8)), color-stop(50%, rgba(194,194,194,0.8)));
	background-size:80% 1px;
	background-repeat:no-repeat;
	background-position: center bottom;
	/*background: url(imgs/3.svg#4) no-repeat center bottom;
	-webkit-background-size:100px 1px;*/
}
.nav4 dl dd:last-of-type{
	background:none;
}
.nav4 dl dd a{
	display:block;
	color:#4f4d4f;
	white-space: pre;
	overflow: hidden;
	text-overflow: ellipsis;
}
.nav4 .masklayer_div{
	display: none;
	position: fixed;
	top: 0;
	left: 0;
	width: 100%;
	height: 100%;
	z-index: 180;
	background: rgba(0,0,0,0);
}
.nav4 .masklayer_div.on{display: block;}