.col_bigImage {
	width: 80%;
	margin-left: 10%;
	padding-bottom: 6rem;
}
.sect_oldOne {
	background: #F5F5F5;
}
.sect_oldTwo {
	padding: 5rem;
}
.oldTwo_left img{
	width: 80%;
}
.oldTwo_right {
	margin-top: 8rem;
}
.oldTwo_right h3 {
	font-size: 2rem;
	color: #00a5e0;
}
.oldTwo_right p {
	font-size: 1.3rem;
	margin-top: 1.2rem;
	color: #333333;
}
.sect_oldThr {
	padding: 5rem;
	background: url(../jds_img/老客营销/矩形-2-拷贝-2.jpg) no-repeat;
	background-size: cover;
}
.oldThr_left {
	margin-top: 14rem;
	width: 70%;
	text-align: center;
}
.oldThr_left h3 {
	font-size: 2rem;
	color: #FFFFFF;
}
.oldThr_left p {
	font-size: 1.3rem;
	margin-top: 1.2rem;
	color: #FFFFFF;
}
.oldThr_right img {
	width: 80%;
	margin-left: 10%;
}
.sect_oldFour {
	padding-bottom: 5rem;
}
.oldFour_left {
	margin-top: 6rem;
	width: 100%;
}
.oldFour_left h3 {
	font-size: 2rem;
	color: #00a5e0;
}
.oldFour_left p {
	font-size: 1.3rem;
	margin-top: 1.2rem;
	color: #333333;
}
.oldFour_right img {
	width: 80%;
	margin-left: 20%;
}
@media only screen and (min-width: 320px) and (max-width: 768px) {
	.col_bigImage {
		width: 100%;
		margin-left: 0;
		padding-bottom: 2rem;
	}
	.old_markImg a img {
		margin-left: -33%;
	}
	.sect_oldTwo {
		padding: 2rem;
	}
	.sele_old {
		display: flex;
		justify-content: space-between;
		align-items: center;
	}
	.oldTwo_left,.oldTwo_right {
		width: 50%;
		padding: 0;
	}
	.oldTwo_right {
		margin-top: 0 !important;
	}
	.oldTwo_left img{
		width: 80%;
	}
	.oldTwo_right {
		margin-top: 8rem;
	}
	.oldTwo_right h3 {
		font-size: 1.4rem;
		color: #00a5e0;
	}
	.oldTwo_right p {
		font-size: 1rem;
		margin-top: 0.2rem;
		color: #333333;
	}
	.sect_oldThr{
		padding: 2rem;
	}
	.oldThr_left1 ,.oldThr_right{
		width: 50%;
		padding: 0;
	}
	.oldThr_left {	
		margin-top: 0rem;
		width: 100%;
		text-align: center;
	}
	.oldThr_left h3 {
		font-size: 1.4rem;
		color: #FFFFFF;
	}
	.oldThr_left p {
		font-size: 1rem;
		margin-top: 0.2rem;
		color: #FFFFFF;
	}
	.oldThr_right img {
		width: 90%;
	}
	.sect_oldFour {
		padding: 2rem;
		padding-top: 0;
	}
	.oldFour_left1,.oldFour_right {
		width: 50%;
		padding: 0;
	}
	.oldFour_left {
		margin-top: 2rem;
		width: 100%;
	}
	.oldFour_left h3 {
		font-size: 1.4rem;
		color: #00a5e0;
	}
	.oldFour_left p {
		font-size: 1rem;
		margin-top: 0.2rem;
		color: #333333;
	}
	.oldFour_right img {
		width: 90%;
		margin-left: 10%;
	}
}