@charset "utf-8";
.section{
	width:auto;
	height:auto;
	overflow:hidden;
	display:block;
	margin: auto;
	background-size: cover;
}
.tb{
	margin:auto;
	margin-top:80px;
	margin-bottom:80px;
	overflow:hidden;
	max-width: var(--max_width);
}
@media (max-width:767px){
	.tb{
		padding: 10px;
	}
}
.cate_list{
	width:auto;
	max-width:var(--max_width);
	height:auto;
	overflow:hidden;
	display:grid;
	grid-template-columns:calc(25% - (60px/4)) calc(25% - (60px/4)) calc(25% - (60px/4)) calc(25% - (60px/4));
	column-gap:20px;
	row-gap:20px;
	margin:auto;
	margin-top:50px;
}
@media (max-width:767px){
	.cate_list{
		grid-template-columns:calc(50% - (10px/2)) calc(50% - (10px/2));
		column-gap:10px;
		row-gap:20px;
	}
}
@media (max-width:480px){.cate_list{grid-template-columns:auto;}}
.cate_pic{
	width:auto;
	height:auto;
	padding-bottom:100%;
	overflow:hidden;
	display:block;
	position:relative;
	background-size:cover;
	background-repeat:no-repeat;
	background-position:top center;
	border-radius: 10px;
}
.cate_pic:hover:before{
	height:100%;
}
.cate_pic:before{
	content:"";
	width:100%;
	height:0px;
	overflow:hidden;
	display:block;
	background-color: rgba(0,0,0,0.6);
	position:absolute;
	left: 0px;
	right:0px;
	bottom:0px;
	transition: all 0.4s;
}
.cate_tb{
	width:auto;
	height:auto;
	overflow:hidden;
	display:block;
	color: #fff;
	position: absolute;
	left: 0px;
	right: 0px;
	bottom: 0px;
	padding: 20px;
}

a.cate_name{
	width:auto;
	height:auto;
	overflow:hidden;
	margin:auto;
	display:block;
	font-size:2.5rem;
	color: #fff;
	text-align: left;
	padding:unset;
	border-bottom:none;
}
.cate_miaoshu{
	display:none;
	-webkit-box-orient:vertical;
	-webkit-line-clamp:3;
	overflow:hidden;
	line-height: 1.5;
}
.cate_tb:hover>.cate_miaoshu{
	display:-webkit-box;
}
.video_main{
	background-color: rgba(0, 0, 0,0.4);
	position: fixed;
	left: 0px;
	right: 0px;
	top:0px;
	bottom: 0px;
	z-index: 200;
	display: none;
}
.video{
	display: flex;
	display: -webkit-flex;
	width: 100%;
	height: 100%;
	overflow: hidden;
	
}
.video_path{
	width:800px;
	height:450px;
	overflow:hidden;
	display: block;
	margin: auto;
}
.video_close{
	width:40px;
	height:40px;
	overflow:hidden;
	border: 1px solid #fff;
	justify-content: center;
	align-items: center;
	border-radius: 50px;
	display: -webkit-flex;
	display: flex;
	position: absolute;
	right: 10px;
	top:10px;
	font-size: 2rem;
	color: #fff;
	cursor: pointer;
}
/*泛光灯*/
.about_tb{
	width:auto;
	height:auto;
	overflow:hidden;
	display:grid;
	grid-template-columns:50% auto;
	align-items: center;
	column-gap:10%;
	row-gap:20px;
	margin:auto;
	padding:10px;
	margin-top:120px;
	margin-bottom:120px;	
	max-width:var(--max_width);	
}
@media (max-width:767px){
	.about_tb{
		grid-template-columns:auto;
	}
}
.about_pic{
	width:100%;
	height:auto;
	overflow:hidden;
	display:block;
}
.about_left{
	width:auto;
	height:auto;
	overflow:hidden;
	display:block;
}
.about_right{
	width:auto;
	height:auto;
	overflow:hidden;
	display:block;
}
.about_title{
	width:auto;
	height:auto;
	overflow:hidden;
	display:flex;
	display:-webkit-flex;
	column-gap:10px;
	align-items:center;
	margin:auto;
	font-size:1.4rem;
}
.about_miaoshu{
	font-size:3.2rem;
	font-weight:bold;
	text-transform: uppercase;
}
.about_content{
	width:auto;
	height:auto;
	overflow:hidden;
	display:block;
	overflow:auto;
	font-size: 1.2rem;
	margin-top: 20px;
	margin-bottom: 50px;
}
a.about_more{
	width:auto;
	height:auto;
	overflow:hidden;
	display:inline-block;
	border-radius:20px;
	border: 1px solid var(--back_color);
	text-align: center;
	padding: 10px;
	padding-left: 20px;
	padding-right: 20px;
}
a.about_more:hover{
	background-color: var(--back_color);
	color: var(--fore_color);
}
.product_list{
	display:grid;
	grid-template-columns:calc(25% - (60px/4)) calc(25% - (60px/4)) calc(25% - (60px/4)) calc(25% - (60px/4));
	row-gap:20px;
	column-gap:20px;
	width:auto;
	height:auto;
	margin:auto;
	margin-top:40px;
}
@media (max-width:767px){
	.product_list{
		grid-template-columns:calc(33.3% - (20px/3)) calc(33.3% - (20px/3)) calc(33.3% - (20px/3));
		row-gap:10px;
		column-gap:10px;
	}
}
@media (max-width:480px){
	.product_list{
		grid-template-columns:calc(50% - (20px/2)) calc(50% - (20px/2));
	}
}
a.product_tb{
	display:block;
	overflow:hidden;
	width:auto;
	height:auto;
	text-align:center;
}
.product_pic{
	display:block;
	overflow:hidden;
	width:auto;
	height:auto;
	position:relative;
	background-size:cover;
	background-repeat:no-repeat;
	padding-bottom: 100%;
	border: 1px solid #ddd;
}
.product_name{
	display:block;
	overflow:hidden;
	width:auto;
	height:auto;
	font-size:1.2rem;
	margin-top:10px;
}
.product_price{
	display:block;
	overflow:hidden;
	width:auto;
	height:auto;
	color: var(--hover_color);
}
.service_list{
	display:grid;
	grid-template-columns:calc(25% - (60px/4)) calc(25% - (60px/4)) calc(25% - (60px/4)) calc(25% - (60px/4));
	row-gap:20px;
	column-gap:20px;
	width:auto;
	height:auto;
	margin:auto;
	margin-top:50px;
	margin-bottom:50px;
	max-width: var(--max_width);
}

@media (max-width:767px){
	.service_list{
		grid-template-columns:calc(50% - (20px/2)) calc(50% - (20px/2));
	}
}
.back{
	background-color: #f5f5f5;
}
.service_tb{
	display:block;
	overflow:hidden;
	width:auto;
	height:auto;
	margin:auto;
	text-align:center;
}
.service_pic{
	display:block;
	overflow:hidden;
	width:128px;
	height:128px;
	margin:auto;
	position:relative;
}
@media (max-width:480px){
	.service_pic{
		width:90px;
		height: 90px;
	}
}
.service_title{
	font-size:1.2rem;
	font-weight: bold;
}
.service_miaoshu{
	color:#666;
	font-size: 1rem;
}
.video_back{
	display: block;
	width: auto;
	height: auto;
	overflow: hidden;
	margin: auto;
	background-color: var(--back_color);
}
.video_tb{
	display: block;
	width: auto;
	height: auto;
	overflow: hidden;
	margin: auto;
	margin-top: 160px;
	margin-bottom: 160px;
	max-width: var(--max-width);
	text-align: center;
	color: #fff;
}
.video_title{	
	font-size: 3rem;
	display: block;
	width: auto;
	height: auto;
	overflow: hidden;
}
.video_miaoshu{
	font-size: 1.2rem;
	display: block;
	width: auto;
	height: auto;
	overflow: hidden;
	max-width: 460px;
	margin: auto;
	margin-top: 20px;
	margin-bottom:50px;
}
.bt_video{
	display: flex;
	display: -webkit-flex;
	justify-content: center;
	align-items: center;
	width: 100px;
	height: 100px;
	overflow: hidden;
	font-size: 4rem;
	margin: auto;
	border-radius: 50%;
	border:5px solid #fff;
	cursor: pointer;
}
.bt_video:hover{
	background-color:#fff;
	color:rgba(0,0,0,0.8);
}