.short{
	width: 100%;
	overflow: hidden;
}
.wrap{
	max-width: 1200px;
	margin: 0 auto;
}
.short_banner{
	width: 100%;
	overflow: hidden;
}
.short_banner img{
	width: 100%;
	display: block;
	height: auto;
}

.short_box{
	width: 100%;
	overflow: hidden;
}
.short_box img{
	max-width: 100%;
	display: block;
	height: auto;
	margin: 0 auto;
}