.bann-img{
	width: 100%;
	height: 400px;
}
.bann-img img{
	width: 100%;
	max-height: 400px;
}
.zh-title{
	margin-top: 20px;
}
.one-content-l{
	width: 40%;
	height: 0;
	padding-top: 28.5%;
	background: url(../img/ab-logo.jpg) no-repeat;
	background-size: 100% 100%;
}
.one-content-r{
	width: 55%;	
	padding: 50px 0;
	color: #000;
}
.one-content-r p{
	line-height: 40px;
}
/* 第二张背景图 */
.two-img{
	width: 100%;
	height: 360px;
	/* background: url(../img/about-2.jpg) no-repeat center center;
	background-size: cover; */
}
.two-img img{
	width: 100%;
	max-height: 360px;
}
.com-co{
	color: #000;
	padding: 30px 0 40px;
	
}
.com-co p{
	padding: 10px 0;
	text-indent: 2em;
	line-height: 36px;
}
/* 行业政策 */
.three-bg{
	margin: 40px auto 20px;
	height: 0;
	padding-top: 322px;
	background: url(../img/about-3.jpg) no-repeat;
	background-size: 100% 100%;
}