.introduction-div1{
	margin: 40px 0;
	/* height: 268px; */
	width: 100%;
	box-shadow: 0px 0px 10px rgba(27,27,27,0.05);
}
.introduction-div1 .content{
	width: 1200px;
	margin: 0 auto;
}
.introduction-div1 .title{
	position: relative;
	font-size: 28px;
	color: #343434;
	padding-top: 40px;
	margin-bottom: 30px;
}
.introduction-div1 .description{
	width: 660px;
	font-size: 20px;
	color: #666666;
	line-height: 1.8;
}
.introduction-div1 .title:before{
	position: absolute;
    content: "";
    bottom: -10px;
    left: 0px;
    height: 4px;
    width: 80px;
    background-color: #a2c1d3;
}
.introduction-div1 .title:after{
	position: absolute;
    content: "";
    bottom: -10px;
    left: 105px;
    height: 4px;
    width: 5px;
    background-color: #a2c1d3;
}
.introduction-div2 {
	width: 1200px;
	margin: 0 auto;
}
.introduction-div2 img{
	max-width: 1200px;
	margin-bottom: 30px;
}
.operation{
	width: 1200px;
	margin: 0 auto;
	padding-bottom: 80px;
}
.operation a{
	color: #666666;
	font-size: 20px;
	margin: 5px 0;
}
@media screen and (max-width:768px) {
	.introduction-div1 .content{
		width: 100%;
		padding: 0 10px;
		box-sizing: border-box;
	}
	.introduction-div1 .description{
		width: 100%;
	}
	.introduction-div2{
		width: 100%;
		box-sizing: border-box;
	}
	.introduction-div2 img{
		max-width: 100%;
		margin-bottom: 10px;
	}
	.operation{
		width: 100%;
	}
}