body {
	background: #F5F7FA;
	font-family: "微软雅黑";
}
.abouts_banner{
	width: 100%;
	height: 358px;
	overflow: hidden;
}
.about_Us {
	width: 1200px;
	margin: 0 auto;
}
.about_Us .crumbs{
	padding: 20px 0 12px;
}
.about_Us .crumbs,.about_Us .crumbs a{
	color: #999;
}
.about_Us .crumbs a:hover{
	color:#3D7EFE ;
}
.about_Us .crumbs span{
	color: #333;
}
.regarding-our {
	display: flex;
}

.about_Us .about_left {
	box-sizing: border-box;
	width: 197px;
	height: 669px;
	border-bottom: 0;
	background: #fff;
	margin-right: 16px;
}

.about_Us .about_left li {
	position: relative;
	display: block;
	color: #666;
	padding: 4px 21px;
	text-align: left;
}

.about_Us .about_left h4{
	display: block;
	/* width: 197px; */
	color: #333333;
	font-size: 16px;
	font-weight: bold;
	border-bottom: 1px solid #F2F2F2;
	padding: 13px 15px;
}

.about_Us .about_left .assist {
	padding-top: 25px;
}

.about_Us .about_left .layui-this {
	color: #fff;
	background-color: #3d7eff;

}
.about_Us .about_left .layui-this a{
	color: #fff;
}
.about_Us .about_left .layui-this:after{
	background-image: url(../image/zuo.png);
	background-repeat: no-repeat;
	background-position: 160px 16px;
	background-size: 17px 17px;
}
.about_Us .about_left .layui-this:after {
	border: 0;
}

.about_Us .about_right {
	box-sizing: border-box;
	width: 989px;
	min-height: 669px;
	background: #fff;
	padding: 15px 53px 15px 43px;
}

.about_right .about_center .alphabet {
	font-size: 80px;
	color: #a1abc0;
	margin-right: 5px;
}

.about_right .alphabet_title {
	display: flex;
	align-items: center;
}

.alphabet_title .alphabet_ens {
	font-size: 24px;
	color: #a1abc0;
}

.alphabet_title .alphabet_con h3 {
	font-size: 30px;
	font-weight: bold;
	color: #464e64;
}

.alphabet_title .striping {
	display: block;
	width: 660px;
	height: 7px;
	background: #f4f6fa;
	margin-left: 15px;
	margin-top: -20px;
}
.about_center .synopsis{
	line-height: 40px;
	font-size: 16px;
	color: #666666;
	padding: 0 20px;
	letter-spacing: 1px;
}
.about_center .synopsis .synopsis_top{
	margin-top: 15px;
}
.contact .contact_image{
	text-align: center;
	margin-top: 15px;
}
.contact .contact_image img{
	width: 831px;
	height: 302px;
}
.contact .contact_content{
	    margin-left: 27px;
    margin-top: 51px;
}
.contact .contact_content .contact_con{
	margin-bottom: 21px;
}
.contact .contact_content img{
	vertical-align: middle;
	margin-right: 10px;
}
.contact .contact_content span{
	font-size: 16px;
	color: #666;
}
.about_center .trade .striping{
	width: 590px;
}
.about_center .alteration .striping{
	width: 537px;
}
.business_content{
	box-sizing: border-box;
	width: 862px;
	height: 419px;
	padding: 36px 0;
	background-color: #f4f6fa;
}
.business_content .layui-input{
	border: 0;
	border-radius: 3px;
}
.business_content .layui-form-label{
	color: #111e36;
}
.business_content textarea{
	width: 714px;
	min-height: 99px;
	border: 0;
	background-color: #ffffff;
	border-radius: 3px;
}
.business_content .refer{
    width: 121px;
    height: 51px;
    background-color: #e5efff;
    border-radius: 3px;
    color: #3d7eff;
    font-size: 16px;
    margin-left: 122px;
}
