.content-one-head{
	position: relative;
	width: 1337px;
	height: 277px;
	margin: 0 auto 50px auto;
	background-image: url(../img/about_head.png);
	background-size: cover;
}
.content-one-article{
	width: 1337px;
	margin: 0 auto 80px auto;
	line-height: 30px;
	font:normal 18px/2 'MicroSoft YaHei';
}

.swiper {
    width: 1337px;
    height: 271px;
}
.swiper-wrapper{
	
}
.swiper-slide{
	display:flex;
	flex-direction:row;
	justify-content:center;
	align-items:center;
}
.swiper-button-prev,.swiper-button-next{
	width: 60px;
	height: 60px;
	font-size: 24px;
	color: #273439;
	background-color: #efeff0;
}
.swiper-button-prev:after, .swiper-button-next:after{
	font-size: 24px;
	font-weight: bold;
}

.content-two-back{
	position11: relative;
	width: 100%;
}
.content-two-select{
	display:flex;
	flex-direction:row;
	justify-content:center;
	align-items:center;
	position: relative;
	top: -4px;
	width: 100%;
}
.select-type-content>li{
	display: none;
}
.select-type-content>.select-type-show{
	display: block;
}
.select-type-img{
	width: 100%;
}
.content-two-main{
	position: absolute;
}
.content-three{
	background: url(../img/about_back4.png) no-repeat center ;
	padding-bottom: 100px;
}
.content-three .title-model::before {
    background-color: #D4B572;
}
.content-three-head{
	position: relative;
	width: 1337px;
	height: 277px;
	margin: 0 auto 50px auto;
}
.content-three-article{
	width: 1337px;
	margin: 0 auto 50px auto;
}
.three-article-row{
	position: relative;
	display:flex;
	flex-direction:row;
	justify-content:flex-start;
	align-items:center;
	padding-bottom: 40px;
}
.three-article-row::before{
	position: absolute;
	left: 50%;
	margin-left: -68px;
	content: '';
	width: 68px;
	height: 68px;
	border-radius: 50%;
}
.article-row-left{
	width: 50%;
	font-size: 19px;
	font-family: SourceHanSansSC;
	font-weight: 400;
	line-height: 32px;
}
.article-row-left>p{
	max-width: 524px;
}
.article-row-right{
	width: 50%;
	padding-left: 95px;
	box-sizing: border-box;
	font-size: 37px;
	font-family: SourceHanSansSC;
	font-weight: bold;
	line-height: 62px;
	
}
.article-row-right>span{
	padding-bottom: 10px;
	border-bottom: 1px solid;
}
.article-white{
	color: #FFFFFF;
}
.article-white::before{
	background-color: #FFFFFF;
}
.article-yellow{
	color: #D4B572;
}
.article-yellow::before{
	background-color: #D4B572;
}

.content-four-head{
	position: relative;
	width: 1337px;
	height: 277px;
	margin: 0 auto 50px auto;
}
.content-four-pho{
	width: 1337px;
	margin: 0 auto 50px auto;
}
.content-four>img{
	width: 100%;
}
.content-four-pho{
	position: relative;
	display:flex;
	flex-direction:row;
	justify-content:flex-start;
	align-items:center;
}
.pho-card{
	width: 25%;
	height: 100%;
	font-size: 32px;
	font-family: SourceHanSansSC;
	font-weight: 600;
	color: #383735;
	letter-spacing: 6px;
	flex-shrink:0;
}
.pho-card>p{
	text-align: center;
}