.sec-title{
	width: 81%;
	margin: 0 auto;
	line-height: 40px;
	font-weight: bold;
	text-align: center;
	position: relative;
	padding: 1.5rem 0;
	font-size: 2.5rem;
}
.sec-title:after{
	content: '';
	width: 3rem;
	height: 2px;
	border-bottom:2px solid var(--bs-theme-color);
	position: absolute;
	bottom: 0;
	left: 50%;
	transform: translate(-50%, 0);
}

.page-about-section{

}
.page-about-section .about1{
	background:url('../images/aboutbg.png') no-repeat center top / 80% auto;
}

.ab-text-section h2,.qu-info{
	width: 66rem;
	margin: 0 auto;
	font-size: 1.1rem;
	font-weight: unset;
	text-align: center;
	line-height: 1.3;
	/* font-style: italic; */
	max-width: 100%;
	opacity: .7;
}

.ab-video{
	text-align:center;
}

.ab-video .videobg{
	width: 100%;
	max-width:100%;
	height:562px;
	margin:0 auto;
}


.ab-intro-title h1{
	font-weight:bold;
	font-size:2.5rem;
}
.ab-tech-content2,
.ab-tech-content,
.ab-intro-content{
	font-size:0.9rem;
	line-height:1.8;
	color:#666;
}
.ab-tech-content2 .cp-info{
	opacity: .7;
	color: black;
	font-size: 16px;
	line-height: 24px;
}

.factory-section{
	width:80%;
	max-width:100%;
}

.ab-shicha{
	height: 400px;
	background: no-repeat center;
	background-size: cover;
	background-attachment: fixed;
	display: flex;
	align-items: center;
	justify-content: center;
	color: white;
	position:relative;
}
.ab-shicha:after{
	content:'';
	position:absolute;
	top:0;
	left:0;
	height: 100%;
	width: 100%;
	background-color: #000;
	opacity: 0.3;
}
.ab-shicha h2{
	width:40rem;
	max-width:80%;
	position:relative;
	z-index:100;
	text-align:center;
	font-weight:bold;
	font-size:2rem;
	line-height:1.2;
}
.ab-culture-swiper .swiper-slide{
	border-radius:8px;
	overflow:hidden;
	border:1px solid #ccc;
}
.ab-culture-swiper,.ab-cer-swiper{
	padding-bottom: 40px;
	overflow-y: visible;
}
.ab-culture-swiper .swiper-pagination,.ab-cer-swiper .swiper-pagination{
	bottom: 0;
}



.ab-culture-swiper .swiper-slide .item,.ab-cer-swiper .swiper-slide .item{
	width: 100%;
	height: 276px;
	display: block;
}
.ab-cer-swiper .swiper-slide .item{
	height: 347px;
}
.ab-cer-swiper .swiper-slide {

	border: 1px solid #ccc;
}
.ab-culture-swiper .swiper-slide .item .pic,.ab-cer-swiper .swiper-slide .item .pic{
	width: 100%;
	height: 100%;
}
.ab-exhibition-swiper .swiper-slide img,
.ab-culture-swiper .swiper-slide img{
	max-width:100%;
}
.ab-exhibition-swiper .swiper-slide{
	border:1px solid #ccc;
}
.ab-cer-swiper img,
.ab-tech-content2 img{
	max-width:100%;
}

.ab-tech-content2 h2{
	font-size:2rem;
	font-weight:bold;
	color:#212529;
}
.ab-tech-content2 .cp-info p{
	color:#212529;
	margin:0;
}

.qu-info{
	width: 100%;
	margin: 0 auto;
	font-size: 16px;
	line-height: 26px;
	color: black;
	max-width: 100%;
	text-align:center;
	opacity: 1;
}


.ab-text-section .summary{
	text-align: center;
}

.shebei_center{
	background: url("../images/tedian_bg.jpg") no-repeat bottom;
	background-size: cover;
	padding-bottom: 30px;
}
.shebei_center .ab-cer-swiper2{
	display: grid;
	grid-template-columns:repeat(3,1fr);

}
.shebei_center .item{
	text-align: center;
	display: block;
	width: 95%;
	margin-bottom: 20px;
}
.shebei_center .item .name{
	font-size: 16px;
	margin-top: 15px;
}
.shebei_center .item .pic{
	overflow: hidden;

}
.shebei_center .item:hover img{
	transform: scale(1.1);
}
.shebei_center .item .pic img{
	transition:.5s;
}

@media (max-width: 1366px){
	.sec-title{
		width: 93%;
	}
	.qu-info{
		width: 85%;
	}
	.ab-tech-content2 .cp-info{
		font-size: 15px;
		font-size: 15px;
	}
	.ab-text-section h2, .qu-info{
		font-size: 15px;
	}
}




@media only screen and (max-width: 1040px){
	.ab-video .videobg{
		height:calc( (100vw - var(--bs-gutter-x))*576/1024 );
	}
	.sec-title{
		font-size:1.5rem;
		padding:1rem 0;
		width: 55%;
	}
	.qu-info{
		width: 100%;

	}
	.ab-tech-content2 h2,
	.ab-text-section h2,
	.ab-shicha h2,
	.ab-intro-title h1{
		font-size:1.5rem;
	}
	.ab-shicha{
		background-size:auto 140%;
		height:200px;
		background-attachment: inherit;
		background-position:center 20%;
	}
	.qu-info{
		font-size: 15px;
	}
	.honer_center{
		margin-bottom: 30px !important;
	}

	.ab-culture-swiper .swiper-slide .item{
		height: 108px;
	}
	.page-about-section .about1{
		padding-bottom: 0 !important;
	}

	.ab-cer-swiper .swiper-slide .item {
		height: 253px;
	}
	.ab-cer-swiper {
		padding-bottom: 42px;

	}
	.ab-cer-swiper .swiper-pagination {
		bottom: 14px;
	}

	.ab-tech-content2{
		margin-top: 25px;
	}
	.ab-culture-swiper{
		padding-bottom: 30px;
		margin-bottom: 40px;
	}
	.shebei_center .ab-cer-swiper2{
		grid-template-columns: repeat(2,1fr);
	}
	.honer_center{
		margin-bottom: 0 !important;
	}
	.ab-text-section .summary{
		font-size: 14px;
	}
	.shebei_center .item .name{
		font-size: 14px;
	}
}