.about {
	margin-bottom: 120px;
}
.aboutUs {
	display: flex;
	margin: 240px auto;
	margin-bottom: 90px;
	color:rgba(102, 102, 102, 0.765);
	position: relative;
}
.about_left {
	flex: 1;
	margin-right: 10%;
	padding-top: 52px;
}
.about_left  .line{
	position: absolute;
	top: -50%;
	left: 4%;
	z-index: -1;
}
.about_left  .line:last-child{
	top: 100%;
}
.about_left .row_title p:nth-child(1),
.stand_title p:nth-child(1){
	font-size: 1.8rem;
	color: #474747;
	margin:0;
}
.about_left p:nth-child(2),
.stand_title p:nth-child(2){
	font-size: 1rem;
}
.about_left small {
	line-height: 2;
	margin: 50px 0;
	display: block;
}
.about_left span,
.stand_title span{
	padding-left: 4%;
	color: #ffbf00;
	font-size: 8px;
}
.about_right {
	flex:1;
}
.about_right img {
	width: 450px;
	height: 205px;
}
.about_right img:last-child {
	margin-top: 10px;
	height: 245px;
}
.brand {
color:rgba(102, 102, 102, 0.765);
}
.brand .brand_title {
	margin: 50px auto;
}
.brand .brand_title img{
	position: absolute;
	margin: 2% 0;
}
.brand .brand_img img {
	width: 100%;
	height: 300px;
	margin: 70px 0;
}
.brand .brand_img p {
	text-align: center;
	font-size: 0.875rem;
}
.brand .stand_title {
	text-align: center;
}
.brand .stand_title img {
	width: 100%;
}
.stand_title p:nth-child(2){
	margin-bottom: 0;
}
.stand_title span{
	padding-left: 0;
}
.compIntro {
	padding: 80px 0!important;
	background: url(../img/aboutUs/introdBgc.png);
}
.compIntro  .list-group li {
	font-size: 0.95rem;
	border: 1px solid transparent;
	line-height: 1.7;
	text-indent: 2rem;
}
.compIntro  .list-group li:first-child {
	font-size: 1rem;
	text-align: center;
	font-weight: bold;
	color: #474747;
}
.visions  {
	padding-top: 150px;
}



/*服务案例CSS*/
#service_bgc {
    margin: 0 auto;
    width: 100%;
    height: 380px;
    background: url(../img/service/service.jpg) no-repeat;
    background-size: cover;
    background-position: center;
}
.ranges {
	padding: 80px 0!important;
	background: url(../img/service/range.png) no-repeat;
}
.range_ul,
.success_ul {
	display: flex;
	text-align: center;
	justify-content:space-between;
}
.range_ul li {
	flex: 1;
	padding: 0 25px 50px 25px;
}
.range_ul li img:first-child{
	width: 30%;
}
.success_title {
	padding-top: 40px;
	padding-left: 20px;
}
.success_ul {
	padding:0;
	padding-top: 40px;
}
.success_ul li {
	flex: 1;
	padding: 0!important;
}
.success_ul li img {
	width: 95%;
}