.banner {
	width: 100%;
	position: relative;
}

.banner img {
	display: block;
	width: 100%;
}

.main .container {
	width: 1400px;
}
.menu {
	position: absolute;
	bottom: 0;
	height: 70px;
	width: 100%;
	background: rgba(0, 0, 0, 0.2) none repeat scroll !important;
	padding: 0 100px;
	line-height: 70px;
}
.menu ul li {
	float: left;
	width: 20%;
	text-align: center;
	white-space: nowrap;  

 text-overflow:ellipsis; 


}

.menu ul li a {
	color: #fff;
}
.menu ul .active {
	background-color: #ff8534;
}

.main {
	padding-top: 100px;
}
.main .pic-a {
	padding-top: 100px;
}
.main .title h4 {
	font-size: 40px;
	font-weight: 500;
	color: #000000;
	text-align: center;
	padding-bottom: 30px;
	line-height: 40px;
	
	background-position: left bottom;
	background-repeat: no-repeat;
}

.main .video {
	position: relative;
	
	width: 48%;
	margin: 1%;
	float: left;
}


.main .video video {
	display: block;
	
}
.main ul li {
	float: left;
}
.main .video .video_layer {
	width: 100%;
	height: 100%;
	position: absolute;
	top: 0;
}

.main .video .video_layer p {
	font-size: 16px;
	color: #ffffff;
	text-align: center;
	letter-spacing: 9px;
	position: absolute;
	top: 35%;
	left: 50%;
	transform: translate(-50%);
	display: block;
}

.main .video .video_layer a {
	background-image: url(../images/video.png);
	background-repeat: no-repeat;
	background-position: center center;
	display: block;
	width: 120px;
	height: 120px;
	position: absolute;
	top: -20px;
	bottom: 0;
	left: 0;
	right: 0;
	margin: auto;
	cursor: pointer;
	z-index: 20;
}

.main .video .video_layer h4 {
	margin-top: 20px;
	font-size: 30px;
	color: #FFFFFF;
	font-weight: 500;
	text-align: center;
	position: absolute;
	top: 60%;
	left: 50%;
	transform: translate(-50%);
	display: block;
	
}

.main .video  {
	margin-top: 30px;
}


@media screen and (max-width: 1450px) {
	.main .container {
		width: 1200px;
	}
}

@media screen and (max-width: 1250px) {
	.main .container {
		width: 1000px;
	}
}

@media screen and (max-width: 1050px) {
	.main {
		background-image: inherit;
		padding-top: 50px;
	}

	.main .container {
		width: 100%;
		box-sizing: border-box;
		padding: 0 20px;
		background-color: #FFFFFF;
	}
	.main .pic-a {
		padding-top: 0px;
	}
	.main .title h4 {
		line-height: 45px;
		text-align: center;
		padding-top: 50px;
		background-position: center bottom;
	}
	
	.main .content {
		width: 100%;
	}
	.main .video .video_layer h4 {
		font-size: 20px;
	}
	.main .video .video_layer a.play {
		background-size: 100px;
	}
}

@media screen and (max-width: 800px) {
	.main .video {
		margin-top: 20px;
		margin-right: 0;
		width: 100%;
		float: none;
	}
	
	.main .title h4 {
		font-size: 23px;
	}
	.main .pic-a {
		display: none;
	}

	.main .video .video_layer h4 {
		font-size: 14px;
	}
	
}