.unit-box .td01 {
    background: url(https://img.mixcom.cn/images/solution/education/tongdian01.png) no-repeat center;
}
.unit-box .td02 {
    background: url(https://img.mixcom.cn/images/solution/education/tongdian02.png) no-repeat center;
}
.unit-box .td03 {
    background: url(https://img.mixcom.cn/images/solution/education/tongdian03.png) no-repeat center;
}
.unit-box .pd-img {
    width: 92px;
    height: 100%;
	float: left;
    display: inline-block;
	margin: 0 20px;
}
.unit-box p{
    display: block;
    text-align: left;
    color:#999;
    font-size:14px;
    padding-right:10px;
}
.unit-box:hover{
	background: url(https://img.mixcom.cn/images/solution/e-commerce/point_bg.png) center;
}
.unit-box:hover p, .unit-box:hover span{
	color: #fff;
}
.unit-box:hover .td01 {
    background: url(https://img.mixcom.cn/images/solution/education/tongdian01_hover.png) no-repeat center;
}
.unit-box:hover .td02 {
    background: url(https://img.mixcom.cn/images/solution/education/tongdian02_hover.png) no-repeat center;
}
.unit-box:hover .td03 {
    background: url(https://img.mixcom.cn/images/solution/education/tongdian03_hover.png) no-repeat center;
}
.case_diagram{
	padding: 50px 0;
}
.right_value{
	height: 520px;
    background: #fff;
    text-align: left;
    border: 1px solid #ccc;
}
.left_img{
	margin:0 40px 0 40px;
}
.left_img img{
	height: 520px;
}
.right_value .right_title{
	font-size: 20px;
    font-weight: 500;
    color: #111;
    line-height: 60px;
    margin-bottom: 0;
}
.right_value p{
	color:#666;
	background: url(https://img.mixcom.cn/images/solution/e-commerce/point.png) left  1px  no-repeat;
    display: inline-block;
    padding-left:20px;
}