.a1_box {
	width: 277px;
	box-shadow: 2px 10px 10px 5px #dedede;
	border-bottom-left-radius: 10px;
	border-bottom-right-radius: 10px;
}

.a1_img {
	position: relative;
}

.a1_icon {
	position: absolute;
	top: 50%;
	left: 50%;
	transform: translate(-50%, -50%);
	cursor: pointer;
	display: none;
}

.a1_box:hover .a1_icon {
	display: block;
}

.a1_min {
	display: flex;
	justify-content: space-between;
	padding: 27px 15px 27px 15px;


}

.a1_left {
	font-size: 16px;
	color: #333;
}

.a1_right {
	color: #999999;
}

.a1_main>div {
	margin-right: 30px;
	margin-bottom: 30px;
}

.a1_main>div:nth-child(4n+4) {
	margin-right: 0;
}

.a1_main {
	display: flex;
	flex-wrap: wrap;
}

.row_a1 {
	padding-top: 50px;
	padding-bottom: 60px;
}

.frame {
	position: fixed;
	left: 0;
	top: 0;
	right: 0;
	bottom: 0;
	background: rgba(0, 0, 0, .5);
	z-index: 11;
	display: none;
}

.frame_box {

	position: absolute;
	top: 50%;
	left: 50%;
	transform: translate(-50%, -50%);

}

.frame_main .a1_box {
	background: #fff;
	width: 100%;
	box-shadow: unset;
	padding: 30px;
	border-radius: 10px;
}

.a1_box {}

.video_play {
	display: none;
}

.frame_main .a1_imgs {
	width: 640px;
	height: 420px;
}

.frame_main .a1_imgs img {
	width: 100%;
	height: 100%;
}

.frame_main .a1_icon {
	display: block;
}

.video_play {
	width: 640px;
	height: 420px;
}

.video_play video {
	width: 100%;
	height: 100%;
}

.fram_close {
	position: absolute;
	right: -42px;
	cursor: pointer;
}

@media screen and (max-width:768px) {
	.row_a1 {
		padding-top: 0.5rem;
		padding-bottom: 0.6rem;
	}

	.a1_tit {
		padding-bottom: .5rem;
		font-size: .5rem;
	}

	.a1_main {
		padding: .1rem;
		padding-left: .25rem;
	}

	.a1_box {
		width: 47.2%;
	}

	.a1_main>div {
		margin-right: 10px;
	}
	.frame_box{
		width: 85%;
	}
	.frame_main .a1_imgs {
	  height: 159px;
	}
	.fram_close {
	  position: absolute;
	  right: -22px;
	  cursor: pointer;
	  top: -21px;
	}
}