#introContent {display: table; position: relative; width: 100%; min-height: 650px; text-align: center;}
#introContent > section {
	position: relative;
	display: table-cell;
	vertical-align: middle;
	z-index: 1;
}
#introContent:before {display: block; content: ''; position: absolute; left: 0; right: 0; top: 0; bottom: 0; z-index: 0; background: url(../images/img_intro_bg.png) center no-repeat; background-size: cover; opacity: .3;}
#introContent .set_width {text-align: center;}
/*#header .functions a {display: none;}*/

.video_wrap {position: absolute; top: 0; left: 0; width: 100%; height: 100%; overflow: hidden}
.video_wrap:before {display: block; content: ''; position: absolute; top: 0; left: 0; z-index: 1; width: 100%; height: 100%;}
.video_wrap .video_area {position: absolute; top: 50%; left: 0; width: 100%; height: 0; padding-bottom: 56.25%; transform: translateY(-50%)}
.video_area iframe,
.video_area video {position: absolute; left: 0; top: 0; width: 100%; height: 100%;}

.loading {display: block; position: fixed; width: 100%; height: 100%; z-index: 100000000; background: #19191f; left: 0; top: 0;}

.loading:before {display: block; content: ''; position: absolute; left: 50%; top: 50%; z-index: 2; width: 150px; height: 150px; margin-left: -75px; margin-top: -75px; background: url(../images/loading.png) center no-repeat; animation: rotate 2s linear infinite }

.video_close {
	visibility: hidden;
	position: absolute;
	bottom: 30px;
	right: 30px;
	z-index: 100;
	padding-right: 30px;
	color: #bbb;
	opacity: 0;
	font-size: 16px;
	line-height: 20px;
	transition: ease-in-out .2s;
}
.video_close:before,
.video_close:after {
	display: block;
	content: '';
	position: absolute;
	right: 0;
	top: 50%;
	box-sizing: border-box;
}
.video_close:before {
	width: 19px;
	height: 19px;
	margin-top: -10px;
	border: 1px solid #bbb;
}
.video_close:after {
	width: 7px;
	height: 7px;
	margin-top: -4px;
	margin-right: 8px;
	border-top: 1px solid #bbb;
	border-right: 1px solid #bbb;
	transform: rotate(45deg);
}
.video_close:focus {
	outline: 0;
}
.video_close.is_show {
	opacity: 1;
	visibility: visible;
	transition: ease-in-out .5s;
}
.video_close span {
	display: block;
}

.btn_group {display: none; position: absolute; top:50%; left: 50%; margin-top: -235px; margin-left: -622px;} 
.btn_group .btn_col {float: left; padding: 0 36px;}
.btn_item {display: block; position: relative; width: 550px; height: 550px; overflow: hidden; border-radius: 40px 0 40px 0; box-sizing: border-box; transform: translate3d(0, 20px, 0); opacity: 0;}
.btn_item:before,
.btn_item:after {display: block; content: ''; position: absolute; left: 0; top: -1px; width: 100%; height: 100%;}
.btn_item:before {opacity: 0; transition: .3s ease-in-out}
.btn_item:after {border-radius: 40px 0 40px 0; box-sizing: border-box; border: 1px solid #fff; opacity: .1;} 
.btn_item.medical {background-image: url(../images/img_medical_bg_1127.png); animation-delay: .2s !important;}
.btn_item.industrial {background-image: url(../images/img_industrial_bg.png); animation-delay: .4s !important;}
.btn_item.medical:before {background-image: url(../images/img_medical_bg_hover.png);}
.btn_item.industrial:before {background-image: url(../images/img_industrial_bg_hover.png);}
.btn_item .txt {display: block; position: absolute; bottom: 30px; left: 50%; width: 290px; height: 80px; margin-left: -145px; text-indent: -9999px;}
.btn_item.medical .txt {background-image: url(../images/img_medical_txt.png);}
.btn_item.industrial .txt {background-image: url(../images/img_Industrial_txt.png); }

.btn_item:hover:before {opacity: 1;}
.btn_group.is_show {display: block;}
.btn_group.is_show .btn_item {animation: fadeUp .6s ease-in-out forwards}



@-webkit-keyframes rotate {
	from {transform: rotate(0)}
	to {transform: rotate(365deg)}
}
@-o-keyframes rotate {
	from {transform: rotate(0)}
	to {transform: rotate(365deg)}
}
@-moz-keyframes rotate {
	from {transform: rotate(0)}
	to {transform: rotate(365deg)}
}
@keyframes rotate {
	from {transform: rotate(0)}
	to {transform: rotate(365deg)}
}
@-webkit-keyframes fadeUp {
	from {opacity: 0; transform: translate3d(0, 20px, 0)}
	to {opacity: 1; transform: translate3d(0, 0, 0)}
}
@-o-keyframes fadeUp {
	from {opacity: 0; transform: translate3d(0, 20px, 0)}
	to {opacity: 1; transform: translate3d(0, 0, 0)}
}
@-moz-keyframes fadeUp {
	from {opacity: 0; transform: translate3d(0, 20px, 0)}
	to {opacity: 1; transform: translate3d(0, 0, 0)}
}
@keyframes fadeUp {
	from {opacity: 0; transform: translate3d(0, 20px, 0)}
	to {opacity: 1; transform: translate3d(0, 0, 0)}
}

.langSelector_t2 {left: auto; right: 87px}


@media all and (max-width: 1280px) {
	.btn_group {
		left: 20px;
		right: 20px;
		margin-left: 0;
		margin-top: 0;
		transform: translateY(-40%);
	}
	.btn_group .btn_col {
		width: 50%;
		box-sizing: border-box;
	}
	.btn_item {
		width: 100%;
		height: 0;
		padding-bottom: 100%;
		background-size: cover !important;
		background-position: center !important;
	}
}
@media all and (max-width: 1024px) {
	.btn_group .btn_col {
		padding: 0 10px;
	}
}
@media all and (max-width: 500px) {
	.btn_group {
		left: 60px;
		right: 60px;

		transform: translateY(-44%);
	}
	.btn_group .btn_col {
		width: 100%;
	}
	.btn_group .btn_col + .btn_col {
		margin-top: 40px;
	}
	.btn_item .txt {
		bottom: 10px;
		width: 145px;
		height: 40px;
		margin-left: -73px;
		background-size: 145px 40px;
	}
}