@charset "UTF-8";

.iabout{
	display: block;
	position: relative;
	margin-top: 4%;
}
.iabout .imgbox{
	overflow: hidden;
	background: url('../images/index_ab.jpg') center center no-repeat;
	background-size: cover;
	position: relative;
}
.iabout .imgbox img{
	display: block;
	width: 100%;
}
.iabout .imgbox .fa {
    width: 60px;
    height: 60px;
    text-align: center;
    line-height: 60px;
    display: block;
    font-size: 60px;
    position: absolute;
    z-index: 2;
    top: 50%;
    left: 50%;
    margin-top: -30px;
    margin-left: -30px;
    color: #fff;
    opacity: 0.7;
    cursor: pointer;
}
.iabout .wrap{
	padding: 20px 30px;
	background: #169395;
}
.iabout .wrap img{
	display: block;
	max-width: 100%;
}
.iabout .wrap p{
	opacity: 0.6;
	line-height: 1.8;
	font-size: 14px;
	padding: 7% 0;
	color:#fff;
}
@media (min-width: 768px){
	.iabout{
		display: table;
	}
	.iabout .imgbox{
		width: 50%;
		display: table-cell;
	}
	.iabout .imgbox img{
		display: none;
	}
	.iabout .wrap{
		display: table-cell;
		width: 50%;
	}
	.iabout .wrap img{
		display: none;
	}
}
@media (min-width: 992px){
	.iabout .wrap{
		padding: 30px 40px;
	}
	.iabout .wrap img{
		display: block;
	}
}
@media (min-width: 1200px){
	.iabout .wrap{
		padding: 40px 50px;
	}
	.iabout .wrap img{
		display: block;
	}
}



.mask{
	position: fixed;
	top: 0;
	left: 0;
	width: 100%;
	height: 100%;
	background: rgba(0,0,0,0.9);
	z-index: 9999;
	display: none;
}
.mask .box{
	width: 100%;
	height: 100%;
	text-align: center;
}
.mask .box span{
	display: inline-block;
	width: 1px;
	height: 100%;
	vertical-align: middle;
	font-size: 0;
}
.mask .fa-remove{
	font-size: 50px;
	color: #fff;
	position: fixed;
	right: 3%;
	top: 5%;
	cursor: pointer;
	z-index: 999;
}
.video{
	font-size: 0;
	display: inline-block;
	max-width: 640px;
	vertical-align: middle;
	width: 90%;
}