.case_wrap{
	width:100%;
	
}
.case_header, .case_container{
	width:1200px;
	margin:0 auto;
	display:flex;
	display:-webkit-flex;
}
.case_header span{
    border-left: 2px solid #3091F2;
    padding-left: 20px;
    font-size: 16px;
    height: 25px;
    display: inline-block;
    margin-top: 28px;
}
.case_left{
    padding:20px;
    border:1px solid #f4f4f4;
    width: 840px;
    margin-right: 40px;
    margin-bottom: 40px;
}
.case_header{
	height: 80px;
    line-height: 80px;
    color: #666;
}
.case_desc{
	display:flex;
	display:-webkit-flex;
	padding-bottom: 26px;
    border-bottom: 1px dashed #f4f4f4;
    margin-bottom: 50px;
    position: relative;
}
.case_img img{
 width:100px;
 height:100px;
 margin-right:15px;
 
}
.case_msg_title{
	font-size: 24px;
    color: #1a1a1a;
}
.case_item_title{
    font-size: 24px;
    color: #1a1a1a;
    font-family: 'SourceHanSansCN Normal';
}

.case_score{
	margin: 10px 0px;
}
.instrduction{
    display:flex;
	display:-webkit-flex;
}

.instrduction p {
	font-size: 16px;
    color: #6a6a6a;
    line-height:26px;
}
.instrduction_content{
	width:600px;
}
.instrduction_content h3{
    color: #1a1a1a;
    font-size: 20px;
    margin-bottom: 30px;
}
.instrduction_content h3:before, .preview_img h3:before {
    content: "";
    width: 3px;
    height: 18px;
    background-color: #3091F2;
    margin-right: 10px;
    display: inline-block;
    vertical-align: top;
    margin-top: 5px;
}
.instrduction_img{
	margin-left:50px;
}
.instrduction_img img{
  width:180px;
  height:180px;
}
.instrduction_img div{
	text-align:center;
	font-size: 16px;
    color: #1a1a1a;
}
.preview_img h3{
    font-family: 'SourceHanSansCN Normal';
	margin-bottom:30px;
    font-size: 20px;
    color: #1a1a1a;
}
.preview_img img{
    width: 270px;
    /*height: 462px;*/
    margin-right: 5px;
}
.case_right{
	width: 265px;
    
}
.case_about{
    height: 64px;
    line-height: 64px;
    text-align: center;
    background: #CFE4F9;
    font-size: 20px;
    color: #0268a8;
}
.case_top_list{
  border:1px solid #f4f4f4;
}
.case_top_item{
     display: flex;
    display: -webkit-flex;
    padding-bottom: 16px;
    margin: 22px 12px;
    border-bottom: 1px dashed #f4f4f4;

}
.case_top_list a:last-child .case_top_item {
    border-bottom: inherit;
}
.case_item_img img{
	width:70px;
	height:70px;
	margin-right: 12px;
}
.case_item_title{
	margin-bottom:16px;
	font-size:16px;
	color:#1a1a1a;
	
}
.case_item_sort{
	font-size:12px;
	color:#4d4d4d;
	
}
.case_item_sort span{
	padding: 2px 8px;
    background: #ebebeb;
    border-radius: 25px;
}
.case_sort{
    font-family: 'SourceHanSansCN ExtraLight';
	font-size:12px;
	color:#4d4d4d;
	margin-bottom: 15px;
}
.case_sort span{
    padding: 2px 8px;
    margin: 0px 5px;
    border-radius: 25px;
}
.num{
    position: absolute;
    right: 30px;
}
.num img{
    position: relative;
    top: -1px;
    width: 20px;
    height: 20px;
    vertical-align: middle;
}
.num span{
    font-size: 14px;
    color: #9B9B9B;
}