.box-bg{
	padding: 50px 0;
	background-repeat: no-repeat;
	background-size: cover;
}
.box{
	width: 80%;
	max-width: 1200px;
	margin: 0 auto;
}
/* product */
.product{
	position: relative;
	overflow: hidden;
}
.product>img{
	transition: transform 600ms;
}
.pro{
	opacity: 0;
	transition: opacity 600ms;
}
.pro-bg{
	position: absolute;
	top: 0;
	right: 0;
	bottom: 0;
	left: 0;
	padding: 20px;
	text-align: center;
	opacity: .8;
}
.pro-txt{
	position: absolute;
	right: 20px;
	bottom: 20px;
	left: 20px;
	text-align: center;
}
.product:hover>img{
	transform: scale(1.2);
}
.product:hover .pro{
	opacity: 1;
}
/* anli */
.anli{
	position: relative;
}
.anli-bg{
	position: absolute;
	top: 0;
	right: 0;
	bottom: 0;
	left: 0;
	background: #000;
	opacity: .5;
}
/* news */
.newslist{
	padding-left: 30px;
}
.news{
	position: relative;
	overflow: hidden;
}
.news-date{
	width: 100px;
	padding: 15px 0;
	text-align: center;
	border-style: solid;
	border-width: 1px;
}
.news-txt{
	width: calc(100% - 100px);
	padding: 15px 0 0 30px;
}
.news-hr{
	position: absolute;
	bottom: 0;
	width: 100%;
	height: 1px;
	background: #ccc;
}
/* about */
.about-bg{
	padding: 0;
	background-size: 100%;
}
.about-box{
	display: flex;
	justify-content: end;
}
.about{
	width: 320px;
	padding: 100px 50px 60px;
}
.index-foot{
	height: 100px;
}

@media (max-width: 999px) {
	.box{
		width: 100%;
	}
	.b3{
		width: 50%;
	}
	img.b3{
		width: 100%;
		padding: 15px;
	}
	.newslist{
		width: 100%;
		padding: 15px;
	}
	.about{
		width: 100%;
	}
	.b4,.b_4{
		width: 100%;
	}
	.flex>.b4{
		width: 50%;
	}
}