.section_bg{
	width: 100%;
	height: 216px;
	background: url(../images/marketing_network/section_bg.jpg) no-repeat center;
	
}
.sec_content{
	width: 1510px;
	padding: 50px 0;
	min-height: 503px;
}
.guide_QA{
	width: 1000px;
	margin: 50px auto;
}
.guide_QA p{
	font-size: 14px;
	font-weight: bold;
	line-height: 24px;
	margin-bottom: 0;
}
.guide_QA ol li{
	list-style: decimal;
	font-weight: bold;
	margin-bottom: 20px;
}

@media only screen and (max-width: 1600px){

.sec_content{
	width: 1180px;
	padding: 40px 0;
	min-height: 543px;
}

}