@charset "utf-8";

.list_video {
	width: 100%;
	height: auto;
	margin: 0 auto;
	position: relative;
	box-sizing: border-box;
	padding: 40rem 40rem;
}
.list_video_ul{
	width: 100%;
	height: auto;
	display: flex;
	justify-content: space-between;
	flex-wrap: wrap;
}
.list_video_li{
	width: 358rem;
	height: 201rem;
	margin-bottom: 31rem;
	position: relative;
}
.list_video_li *{
	transition: all 0.3s;
}
.list_video_li0{
	width: 358rem;
}
.list_video_li a{
	display: block;
	width: 358rem;
	height: 201rem;
}
.list_video_li img{
	display: block;
	width: 358rem;
	height: 201rem;
}
.list_video_li h3{
	position: absolute;
	width: 100%;
	height: 35rem;
	left: 0;
	bottom: 0;
	font-size: 16rem;
	color: #fff;
	padding: 0 10rem;
	box-sizing: border-box;
	line-height: 35rem;
	overflow: hidden;
	white-space: nowrap;
	text-overflow: ellipsis;
	background-color: rgba(0, 0, 0, 0.4);
	font-weight: normal;
}
.list_video_li i{
	display: block;
	width: 39rem;
	height: 39rem;
	background: url(../images/stsg_12.png) no-repeat;
	background-position: center center;
	background-size: 100% 100%;
	position: absolute;
	top:70rem;
	left: 152rem;
}
.list_video_li:hover h3{
	background-color: #ab0909;
}
.list_video_li:hover i{
	transform: rotate(180deg);
}


@media only screen and (max-width: 1000px) {
	* {
		box-sizing: border-box;
	}

	.list_video {
		width: 100%;
		height: auto;
		margin: 0 auto;
		position: relative;
		box-sizing: border-box;
		padding: 30rem 20rem;
	}
	.list_video_ul{
		width: 100%;
		height: auto;
		display: flex;
		justify-content: space-between;
		flex-wrap: wrap;
	}
	.list_video_li{
		width: 100%;
		height: 400rem;
		margin-bottom: 48rem;
		position: relative;
	}
	.list_video_li *{
		transition: all 0.3s;
	}
	.list_video_li0{
		width: 100%;
	}
	.list_video_li a{
		display: block;
		width: 100%;
		height: 400rem;
	}
	.list_video_li img{
		display: block;
		width: 100%;
		height: 400rem;
	}
	.list_video_li h3{
		position: absolute;
		width: 100%;
		height: 70rem;
		left: 0;
		bottom: 0;
		font-size: 28rem;
		color: #fff;
		padding: 0 20rem;
		box-sizing: border-box;
		line-height: 70rem;
		overflow: hidden;
		white-space: nowrap;
		text-overflow: ellipsis;
		background-color: rgba(0, 0, 0, 0.4);
		font-weight: normal;
	}
	.list_video_li i{
		display: block;
		width: 66rem;
		height: 66rem;
		background: url(../images/stsg_12.png) no-repeat;
		background-position: center center;
		background-size: 100% 100%;
		position: absolute;
		top:142rem;
		left: 322rem;
	}
	.list_video_li:hover h3{
		background-color: #ab0909;
	}
	.list_video_li:hover i{
		transform: rotate(180deg);
	}
	
}