.aboutBg{
	height: 100%;
}
.img-100 img{
	width: 100%;
	vertical-align: bottom;
}
.companyImg{
	width: 100%;
	height: 100%;
	background-image: url(../imgs/aboutUs/about_img1.png);
background-repeat: no-repeat;
background-size: cover;
}
.enterpriseImg{
	width: 100%;
	height: 100%;
	background-image: url(../imgs/aboutUs/about_img2.png);
	background-repeat: no-repeat;
	background-size: cover;
}
.organizationImg{
	width: 100%;
	height: 100%;
	background-image: url(../imgs/aboutUs/about_img3.png);
	background-repeat: no-repeat;
	background-size: cover;
}
@media screen and (orientation: portrait) {
	/*手机竖屏*/
	.companyImg{
		height: 29.3% !important;
		background-size: 100% !important;
	}
	.organizationImg,.enterpriseImg{
		height: 29% !important;
		background-size: 100% !important;
	}
}