.treebox {
	width: 18%;
	float: left;
	background-color: #ececec;
}

.menu {
	overflow: hidden;
}

/*第一层*/
.menu li.level1>a {
	background-color: #f4f4f4;
	padding: 5% 16% 5% 5%;
	display: block;
	height: auto;
	line-height: 25px;
	color: #000;
	border-bottom: 1px solid #fff;
	font-size: 16px;
	position: relative;
	transition: all .5s ease 0s;
}

.menu li.level1 a:hover {
	text-decoration: none;
	border-bottom: 3px solid #d00022;
	color: #000;
}

.menu li.level1 a.current {
	border-bottom: 3px solid #d00022;
	color: #000;
}

.menu li ul.level2 li a.current {
	border-bottom: 3px solid #d00022;
	color: #000;
}

/*============修饰图标*/
.ico {
	width: 20px;
	height: 20px;
	display: block;
	position: absolute;
	left: 20px;
	top: 10px;
	background-repeat: no-repeat;
	background-image: url(../images/ico1.png);
}

/*============小箭头*/
.level1 i {
	width: 20px;
	height: 10px;
	background-image: url(../images/arrow.png);
	background-repeat: no-repeat;
	display: block;
	position: absolute;
	right: 20px;
	top: 20px;
}

.level1 i.down {
	background-position: 0 -10px;
}

.ico1 {
	background-position: 0 0;
}

.ico2 {
	background-position: 0 -20px;
}

.ico3 {
	background-position: 0 -40px;
}

.ico4 {
	background-position: 0 -60px;
}

.ico5 {
	background-position: 0 -80px;
}

/*第二层*/
.menu li ul {
	overflow: hidden;
}

.menu li ul.level2 {
	display: none;
	background: #eaeaea;
}

.menu li ul.level2 li a {
	display: block;
	height: 45px;
	line-height: 20px;
	color: #4d4d4d;
	border-bottom: 0px solid #fff;
	font-size: 14px;
	transition: all 1s ease 0s;
	padding: 10px 10px 40px 10px;
}



.treebox p {
	text-align: center;
	color: #fff;
	font-weight: bold;
	font-size: 20px;
	letter-spacing: 5px;
	padding: 20px;
	background-color: #d00022;
}

.treebox .tredown.level1>a:before {
	position: absolute;
	left: 85%;
	top: 20%;

	vertical-align: middle;
	display: inline-block;

	content: "﹀";
}

.treebox .tredown.level1>a.current:before {
	content: "︿";
}

@media screen and (max-width: 736px) {

	.treebox {
		display: none;
	}


}