.class-nav {
	width: 210px;
	height: 38px;
	position: absolute;
	top: -38px;
	left: 0px
}
.class-nav .class-boxs {
	position: relative;
	height: 38px
}
.class-nav .class-boxs .title-lc {
	line-height: 38px;
	height: 38px;
	text-align: center;
	color: #000000;
	font-weight: bold;
	font-size: 16px;
	cursor: pointer;
	background: #EAF1FA
}
.class-nav .class-boxs .box-one-left {
	width: 298px;
	height: 440px;
	position: absolute;
	left: -129px;
	top: 38px;
	background: #fff;
	display: none;
	box-sizing: border-box;
	z-index: 2
}
.class-nav .class-boxs .box-one-left .classleftcons {
	width: 210px;
	padding-top: 10px;
	position: relative
}
.class-nav .class-boxs .box-one-left .classleftcons .one-class-group {
	color: #313131;
	font-size: 14px;
	height: 35px;
	padding-left: 17px;
	padding-right: 17px;
	line-height: 35px
}
.class-nav .class-boxs .box-one-left .classleftcons .one-class-group .one-class-link {
	display: block;
	height: 35px;
	width: 100%;
	overflow: hidden;
	text-overflow: ellipsis;
	white-space: nowrap
}
.class-nav .class-boxs .box-one-left .classleftcons .one-class-group:hover {
	background: #F0F7FF
}
.class-nav .class-boxs .box-one-left .classleftcons .one-class-group .box-two-right {
	background: #fff;
	box-sizing: border-box;
	display: block;
	height: 440px;
	width: 766px;
	position: absolute;
	left: 212px;
	top: 0px;
	padding: 10px 20px;
	overflow-y: auto;
	display: none
}
.class-nav .class-boxs .box-one-left .classleftcons .one-class-group .box-two-right::-webkit-scrollbar {
width:3px
}
.class-nav .class-boxs .box-one-left .classleftcons .one-class-group .box-two-right::-webkit-scrollbar-thumb {
border-radius:6px;
background:#fff;
-webkit-box-shadow:inset 0 0 8px rgba(0,0,0,0.2)
}
.class-nav .class-boxs .box-one-left .classleftcons .one-class-group .box-two-right::-webkit-scrollbar-track {
border-radius:0;
background:#f4f4f4
}
.class-nav .class-boxs .box-one-left .classleftcons .one-class-group .box-two-right .two-class-group {
	margin-bottom: 10px
}
.class-nav .class-boxs .box-one-left .classleftcons .one-class-group .box-two-right .two-class-group .two-class-link {
	color: #313131;
	font-weight: bold
}
.class-nav .class-boxs .box-one-left .classleftcons .one-class-group .box-two-right .two-class-group .two-class-link i {
	color: #1969F9;
	margin-left: 29px;
	font-weight: normal;
	font-size: 16px;
	position: relative;
	top: 1px
}
.class-nav .class-boxs .box-one-left .classleftcons .one-class-group .box-two-right .two-class-group .three-class-group {
	flex-wrap: wrap;
	margin-bottom: 5px
}
.class-nav .class-boxs .box-one-left .classleftcons .one-class-group .box-two-right .two-class-group .three-class-group .three-class-link {
	flex-shrink: 0;
	width: 180px;
	height: 26px;
	line-height: 26px;
	margin-bottom: 5px;
	overflow: hidden;
	text-overflow: ellipsis;
	white-space: nowrap
}
.class-nav .class-boxs .box-one-left .classleftcons .one-class-group:hover .box-two-right {
	display: block
}
.class-nav .class-boxs:hover .box-one-left {
	display: block
}