.top_banner{
	width:1680px; height:591px;
	margin:0 auto;
}

.top_section .progress_graphic{
	margin:0 auto;
	margin-top:30px;
	margin-bottom:20px;
	width:351px; height:93px;
	background:url("../images/progress_graphic.jpg") center center no-repeat;
	background-size:100%;
}
.top_section .ltxt{
	width:100%; text-align:center;
	font-size:30px; font-weight:bold;
	margin-top:10px; margin-bottom:30px;
}

.banner_section{
	width:1330px; height:374px;
	margin:0 auto;
	margin-bottom:0px;
}
.banner_section .left{
	float:left;
}
.banner_section .right{
	float:right;
}
.margin_footer{
	width:1px; height:1px; display:block;
	margin-bottom:30px;
}

@media (max-width: 1679px) {
	.top_banner{
		width:100%; height:auto;
		margin:0 auto;
	}
	.top_banner img{
		width:100%; 
	}
	
	.top_section .progress_graphic{
		margin-bottom:20px;
	}
	.top_section .ltxt{
		font-size:28px;
	}
	
	.banner_section{
		width:970px; height:273px;
	}
	.banner_section img{
		width:485px; height:273px;
	}
}
@media (max-width: 1023px) {
	.top_section .progress_graphic{
		width:283px; height:75px;
		margin-bottom:20px;
	}
	
	.banner_section{
		width:750px; height:211px;
	}
	.banner_section img{
		width:375px; height:211px;
	}
}
@media (max-width: 767px) {
	.top_section .progress_graphic{
		width:226px; height:60px;
		margin-bottom:20px;
	}
	.top_section .ltxt{
		font-size:22px;
	}
	
	.banner_section{
		width:100%; height:auto;
		margin-bottom:0px;
	}
	.banner_section .left, .banner_section .right{
		float:none;
		margin-bottom:0px;
	}
	.banner_section img{
		width:100%;
	}
}