/**
 * CSS版
----------------------------------------------------------------------------------------------------*/
.overbackground{
	position:relative;
	width:150%;
	left:50%;
	margin-left:-75%;
	height:512px;
}
@media screen and (max-width: 1536px){
	.overbackground{
		width:100vw;
		margin-left:-50vw;
	}
	.overbackground-contain{
		background-size:cover !important;
		height:33.3333vw;
	}
}
@media screen and (max-width: 1024px){
	.overbackground{
		width:100%;
		margin-left:-50%;
	}
	.overbackground-contain{
		height:33.3333vw;
	}
	.overbackground-covercontain{
		background-size:cover !important;
		height:50vw;
	}
	.overbackground-cover{
		background-size:cover !important;
	}
}