.about .box1{
	padding: 100px 0 106px;
}
.about .box1 .content1400{
	display: flex;
	justify-content: space-between;
}
.about .box1 .l{
	width: 46.7%;
}
.about .box1 .l .title{
	font-size: 30px;
	font-family: Arial;
	font-weight: 400;
	color: #333333;
	line-height: 1;
}
.about .box1 .l .des{
	font-size: 16px;
	font-family: Arial;
	font-weight: 400;
	color: #666666;
	line-height: 30px;
	margin-top: 26px;
}
.about .box1 .l .text-box{
	position: relative;
	margin-top: 122px;
	padding: 48px 48px 44px;
}
.about .box1 .l .text-box::before{
	position: absolute;
	content: "";
	left: 0;
	top: 0;
	width: 100%;
	height: 100%;
	background-color: rgba(248, 248, 248, 1);
	width: 935px;
	z-index: -1;
}
.about .box1 .l .text-box .des{
	margin-top: 19px;
}
.about .box1 .r{
	width: 570px;
	max-width: 100%;
}

.about .box2{
	background-image: url(../img/about-box2-bg.jpg);
	background-size: cover;
	padding: 94px 0 129px;
	text-align: center;
}
.about .box2 .title{
	font-size: 30px;
	font-family: Arial;
	font-weight: 400;
	color: #FFFFFF;
	line-height: 1;
}
.about .box2 .list{
	margin-top: 109px;
	display: flex;
	justify-content: space-between;
}
.about .box2 li{
	width: 250px;
	height: 250px;
	border: 1px solid #FFFFFF;
	border-radius: 50%;
	display: flex;
	justify-content: center;
	align-items: center;
	font-size: 16px;
	font-family: Arial;
	font-weight: 400;
	color: #FFFFFF;
	line-height: 30px;
}
.about .box2 li:hover{
	background-color: rgba(255,255,255,0.3);
}
.about .box3{
	background-image: url(../img/about-box3-bg.jpg);
	background-size: cover;
	text-align: center;
	padding: 92px 0 215px;
}
.about .box3 .title{
	font-size: 30px;
	font-family: Arial;
	font-weight: 400;
	color: #FFFFFF;
	line-height: 1;
}
.about .box3 .player-box{
	margin-top: 156px;
}
.about .box3 .player-box .player-btn{
	position: relative;
	width: 58px;
	height: 58px;
	line-height: 58px;
	text-align: center;
	background: #007ACD;
	border-radius: 50%;
	margin: 0 auto;
	z-index: 2;
	cursor: pointer;
}
.about .box3 .player-box .player-btn::before{
	position:absolute;
	content: "";
	top: 50%;
	left: 50%;
	transform: translate(-50%,-50%);
	width: 82px;
	height: 82px;
	background: #007ACD;
	opacity: 0.2;
	border-radius: 50%;
	animation: scale1 2s infinite;
	z-index: -1;
}
@keyframes scale1{
	from{
		transform: translate(-50%,-50%)scale(0);
	}
	to{
		transform: translate(-50%,-50%)scale(1);
	}
}
.about .box3 .player-box .player-btn .iconfont{
	font-size: 22px;
	color: #fff;
}
.about .box3 .player-box .player-text{
	font-size: 18px;
	font-family: PingFang;
	font-weight: 500;
	color: #FFFFFF;
	line-height: 1;
	margin-top: 43px;
}
.modal .video-box{
    position: absolute;
    max-width: 80%;
    max-height: 80%;
    left: 50%;
    top: 50%;
    transform: translate(-50%,-50%);
}
@media (max-width:1199px) {
	.about .box1 .content1400{
		flex-wrap: wrap;
	}
	.about .box1 .l{
		width: 100%;
	}
	.about .box1 .l .text-box{
		margin-top: 60px;
	}
	.about .box1 .l .text-box::before{
		width: 100%;
	}
	.about .box1 .r{
		margin-top: 30px;
	}
	.about .box2 li{
		width: 200px;
		height: 200px;
	}
}
@media (max-width:768px) {
	.about .box1 .l .title,.about .box3 .title,
	.about .box2 .title{
		font-size: 22px;
	}
	.about .box1{
		padding: 60px 0;
	}
	.about .box1 .l .text-box{
		padding: 30px;
	}
	.about .box2 li{
		width: 140px;
		height: 140px;
	}
	.about .box3{
		padding: 60px 0 80px;
	}
	.about .box3 .player-box{
		margin-top: 50px;
	}
}
@media (max-width: 500px) {
	.about .box2 .list{
		flex-wrap: wrap;
		margin-top: 50px;
	}
	.about .box2 li{
		margin-bottom: 20px;
		font-size: 14px;
	}
	.about .box2{
		padding: 60px 0;
	}
	.about .box1 .l .text-box{
		padding: 20px 10px;
	}
	.about .box1 .l .text-box{
		margin-top: 40px;
	}
}