body {
	font:14px 微软雅黑,宋体,arial narrow,HELVETICA;
}
body,ul {
	margin:0;
	padding:0;
}
li {
	list-style:none;
}
a {
	text-decoration:none;
}
.nav {
	width:220px;
	height:calc(100%);
	background:#263238;
	transition:all .3s;
}
#mini {
	border-bottom:1px solid rgba(255,255,255,.1);
}
.nav-item {
	position:relative;
}
.nav a {
	display:block;
	overflow:hidden;
	padding-left:20px;
	line-height:46px;
	max-height:46px;
	color:#abb1b7;
	transition:all .3s;
}
.nav-item>a:before {
	content:"";
	position:absolute;
	left:0;
	width:2px;
	height:46px;
	background:#34a0ce;
	opacity:0;
	transition:all .3s;
}
.nav-show,.nav-item>a:hover {
	color:#fff;
	background:rgba(0,0,0,.1);
}
.nav-show>a:before,.nav-item>a:hover:before {
	opacity:1;
}
.my-icon {
	font-size:16px;
	font-style:normal;
	-webkit-font-smoothing:antialiased;
	-moz-osx-font-smoothing:grayscale;
}
.nav .nav-icon {
	font-size:22px;
	position:absolute;
	margin-left:-1px;
}
.nav a span {
	margin-left:30px;
}
.icon_1::after {
	content:"\2648";
}
.icon_2::after {
	content:"\264B";
}
.icon_3::after {
	content:"\2650";
}
.nav-more {
	float:right;
	margin-right:20px;
	font-size:18px;
	transition:transform .3s;
}
.nav-item ul {
	display:none;
	background:rgba(0,0,0,.1);
}
.nav-mini.nav {
	width:60px;
}
.nav-mini.nav .nav-item>a span {
	display:none;
}
.nav-mini.nav .nav-more {
	margin-right:-20px;
}
.nav-mini.nav .nav-item:hover {
	background:rgba(255,255,255,.1);
}
.nav-mini.nav .nav-item:hover ul {
	display:block;
}
.nav-mini.nav .nav-item ul {
	position:absolute;
	top:0;
	left:60px;
	width:180px;
	z-index:99;
	background:#3c474c;
	overflow:hidden;
}