.section{
	display: block;
	width: auto;
	height: auto;
	overflow: hidden;
	background-size: cover;
}
.tb{
	max-width: var(--max_width);
	margin: auto;
	margin-top: var(--max_margin);
	margin-bottom: var(--max_margin);
}
@media (max-width:767px){
	.tb{
		margin-top: 20px;
		margin-bottom: 20px;
		padding: 10px;
	}
}
.thead{
	display: block;
}
.title{
	font-size: 2.2rem;
	font-weight: bold;
	display: block;
	width: auto;
	height: auto;
	border-bottom: 1px solid #ddd;
	padding-bottom: 10px;
	position:relative;
}
.title:after{
	content:"";
	background-color: var(--hover_color);
	width:60px;
	height: 3px;
	position: absolute;
	left: 0px;
	bottom: -2px;
}
.notice_back{
	display: block;
	width: auto;
	height: auto;
	overflow: hidden;
	background-color: var(--back_color);
	color:#fff;
	padding: 20px;
	padding-top: 40px;
	padding-bottom: 40px;
}

.notice_tb{
	display: grid;
	grid-template-columns: auto auto;
	justify-content: space-between;
	align-items: center;
	column-gap: 10px;
	row-gap: 10px;
	max-width: var(--max_width);
	width:auto;
	height: auto;
	overflow: hidden;
	margin:auto;
	line-height: 1.5;
}
@media (max-width:767px){
	.notice_tb{
		grid-template-columns: auto;
	}
}
.notice_title{
	font-size: 1.7rem;
}
.notice_miaoshu{
	font-size: 1rem;
	color: rgba(255,255,255,0.6);
}
a.bt_notice{
	background-color: transparent;
	border:3px solid #fff;
	text-align: center;
	height:50px;
	line-height: 50px;
	width: 150px;
	text-transform: uppercase;
	display:block;
	color:#fff;
	font-weight: bold;
}
a.bt_notice:hover{
	background-color: #fff;
	color: var(--back_color);
}
.product_list{
	display: grid;
	grid-template-columns: calc(25% - 60px/4) calc(25% - 60px/4)  calc(25% - 60px/4) auto;
	row-gap:20px;
	column-gap: 20px;
	width: auto;
	height: auto;
	overflow: hidden;
	margin: auto;
	margin-top: var(--max_margina);
}
@media (max-width:767px){
	.product_list{
		grid-template-columns:calc(50% - 10px/2) auto;
		row-gap:10px;
		column-gap: 10px;
	}
}
.product_tb{
	display: block;
	width: auto;
	height: auto;
	overflow: hidden;
	border: 1px solid #ddd;
}
.product_pic{
	display: block;
	width: auto;
	height: auto;
	overflow: hidden;
	padding-bottom: 60%;
	position: relative;
	
}
.product_right{
	display: block;
	width: auto;
	height: auto;
	overflow: hidden;
	padding: 20px;
}
a.product_name{
	font-weight: bold;
	font-size:1.2rem;
	display: block;
	width: auto;
	height: auto;
	overflow: hidden;
}
.product_miaoshu{
	display: -webkit-box;
	-webkit-line-clamp: 3;
	-webkit-box-orient: vertical;
	width: auto;
	height: auto;
	overflow: hidden;
	color: #888;
}

.youshi_title{
	font-weight: bold;
	font-size: 1.5rem;
}

.youshi_list{
	display: grid;
	grid-template-columns: auto;
	row-gap:20px;
	column-gap: 20px;
	width: auto;
	height: auto;
	overflow: hidden;
	margin: auto;
	margin-top: 20px;
}
@media (max-width:767px){
	.youshi_list{
		grid-template-columns: auto;
	}
}
.youshi_name{
	display: flex;
	display: -webkit-flex;
	column-gap: 10px;
	width: auto;
	height: auto;
	overflow: hidden;
	
}

.news_list{
	display: grid;
	grid-template-columns: calc(50% - 20px/2) calc(50% - 20px/2);
	row-gap:20px;
	column-gap: 20px;
	width: auto;
	height: auto;
	overflow: hidden;
	margin: auto;
	margin-top: var(--max_margina);
}
@media (max-width:767px){
	.news_list{
		grid-template-columns: auto;
		row-gap:10px;
		column-gap: 10px;
	}
}
.news_tb{
	display: block;
	width: auto;
	height: auto;
	overflow: hidden;
	background-color: #f5f5f5;
}
.news_pic{
	display: block;
	width: auto;
	height: auto;
	overflow: hidden;
	padding-bottom: 50%;
	position: relative;
}
.news_right{
	display: block;
	width: auto;
	height: auto;
	overflow: hidden;
	padding: 20px;
}
a.news_name{
	font-weight: bold;
	font-size:1.2rem;
	display: block;
	width: auto;
	height: auto;
	overflow: hidden;
}
.news_miaoshu{
	display: -webkit-box;
	-webkit-line-clamp: 3;
	-webkit-box-orient: vertical;
	width: auto;
	height: auto;
	overflow: hidden;
	color: #888;
}
.case_back{
	display: block;
	width: auto;
	height: auto;
	overflow: hidden;
	background-color: #f5f5f5;
}
.case_list{
	display: grid;
	grid-template-columns: calc(33.3% - 40px/3) calc(33.3% - 40px/3) auto;
	column-gap: 20px;
	row-gap:20px;
	width: auto;
	height: auto;
	overflow: hidden;
	margin: auto;
	margin-top: var(--max_margina);
}
@media (max-width:767px){
	.case_list{
		grid-template-columns: calc(50% - 10px/2) calc(50% - 10px/2);
		row-gap:10px;
		column-gap: 10px;
	}
}
.case_tb{
	display: block;
	width: auto;
	height: auto;
	overflow: hidden;
	position: relative;
}
.case_pic{
	display: block;
	width: auto;
	height: auto;
	overflow: hidden;
	position: relative;
	padding-bottom: 75%;
}
.case_name{
	display: block;
	width: auto;
	height: auto;
	overflow: hidden;
	text-align: center;
	margin-top: 10px;
}
a.case_more{
	display: -webkit-flex;
	display: flex;
	width: auto;
	height: auto;
	overflow: hidden;
	position: absolute;
	left: 0px;
	right: 0px;
	top:0px;
	bottom: 0px;
	margin: auto;
	background-color: rgba(0,0,0,0.4);
	color: #fff;
	font-size: 3rem;
	justify-content: center;
	align-items: center;
	transition: all 0.4s;
	transform: scale(0,0);
}
.case_tb:hover>a.case_more{
	transform: scale(1,1);
}

.about_item{
	display: block;
	width: auto;
	height: auto;
	overflow: hidden;
	margin: auto;
	padding:10px;
	padding-top: 5%;
	padding-bottom: 5%;
}
.about_item:nth-child(even){
	background-color: #f5f5f5;
}
.about_tb{
	display: -webkit-flex;
	display: flex;
	column-gap: 10%;
	width: auto;
	height: auto;
	overflow: hidden;
	margin: auto;
	max-width: var(--max_width);
}
.about_item:nth-child(even)>.about_tb{
	flex-direction: row-reverse;
}
@media (max-width:767px){
	.about_tb{
		flex-direction: column;
	}
	.about_item:nth-child(even)>.about_tb{
		flex-direction: column;
	}
}
.about_left{
	width:50%;
	height: auto;
	overflow: hidden;
	display: -webkit-flex;
	display: flex;
	align-items: center;
}
.about_right{
	width:40%;
	height: auto;
	overflow: hidden;
}
@media (max-width:767px){
	.about_left{
		width:auto;
	}
	.about_right{
		width: auto;
	}
}
.about_pic{
	display: block;
	width: 100%;
	height: auto;
	overflow: hidden;
}
.about_name{
	font-size:3rem;
	line-height: 1.2;
	text-transform: uppercase;
	padding-bottom: 10px;
	border-bottom: 2px solid #333;
}
.about_miaoshu{
	font-size: 1.5rem;
	display: block;
	
	padding-bottom: 10px;
	color:#888;
	line-height: 1.2;
	display: none;;
}
.about_content{
	display: block;
	width: auto;
	height: auto;
	overflow: hidden;
	margin-top: 20px;
	font-size: 1.2rem;
}
.about_content ul,.about_content ol{
	padding: 0px;
	margin: auto;
	list-style-position: inside;
}