* {margin:0;padding:0;}
.dl_about_img_div{
    width: 100%;
    height: 100%;
    float: left;
    display: table;
}
.dl_about_img dl{
    display: table-cell;
    vertical-align: middle;
    color: #fff;
    text-align: center;
}
.dl_about_img dl dt{
    font-size: 40px;
    font-weight: bold;
}
.dl_about_img dl dd{
    font-size: 20px;
    margin-top: 18px;
}
/* 内容 */
.about_count{
    min-height: 500px;
}
.dl_box {
    float: left;
    width: 20%;
}
.dl_tab_box_frist{
    width: 100%;
}
.dl_box_tab_menu>li {
	text-align:center;
	line-height:60px;
    cursor:pointer;
    font-size: 18px;
}
.dl_tab_box{
    text-indent: 35px; 
    width: 75%;
    float: left;
    margin-left: 5%;
}
.dl_box_frist_img{
    float: left;
    width: 40%;
}
.dl_box_frist_img img{
    width: 75%;
}
.dl_box_frist_text{
    letter-spacing: 3px;
    padding: 10px;
    float: left;
    width: 50%;
}
.box2 {
	width:1440px;
	position:relative;
	overflow:hidden;
}
.change{background-color: #FFA04F;color: #fff !important;}
/* 图片部分 */
.about_imgs_2 img{width: 20%;height: 20%;}

.about_imgs{
    display: flex;
    flex-wrap: wrap;
}
.about_imgs_i{
    width: 30%;
    float: left;
    margin: 2%;
    border: 1px solid;
    position: relative;
    height: 100px;
}
.about_imgs_i img{
   position: absolute;
   top: 50%;
   left: 50%;
   transform: translate(-50%,-50%);
}