.banner img{
	width: 100%;
	height: 100%;
}
.wrap{
	width: 1200px;
	margin: auto;
}
.a1_left{
	width: 512px;
	height: 294px;
	
}
.a1_left img{
	width: 100%;
}
.a1_tit{
	text-align: center;
	padding-top:60px;
	padding-bottom: 80px;
	color: #f64f25;
	font-size: 32px;
}
.a1_box{
	display: flex;
}
.a1_right div{
	
	font-size: 17px;
	    line-height: 35px;
	    color: #050201;
	    width: 628px;
	    margin-left: 60px;
}
.a1_right>div:nth-child(2) {
    padding-top: 21px;
}
.a1_right>div:nth-child(2) p{
	margin-top: 30px;
}

.a1_on>div:nth-child(1){
	color: #050201;
	    font-size: 18px;
	    line-height: 40px;
	    padding-bottom: 50px;
	    position: relative;
		margin-top: 40px;
}
.a1_on>div:nth-child(1):before{

	content: ".";
	position: absolute;
	
	    left: -19px;
	    top: -14px;
		font-size: 44px;
}
.a1_on>div:nth-child(2){
	margin-bottom: 50px !important;
}
.a1_text>div:nth-child(1) div:nth-child(2){
	width: 555px;
	    height: 233px;
	margin: auto;
}
.a1_text>div:nth-child(1) div:nth-child(2) img{
	width: 100%;
}
.a1_text>div:nth-child(2) div:nth-child(2){
	width: 414px;
	    height: 301px;
	margin: auto;
}
.a1_text>div:nth-child(2) div:nth-child(2) img{
	width: 100%;
}
.a1_text>div:nth-child(3) div:nth-child(2){
	    width: 555px;
	    height: 408px;
	margin: auto;
}
.a1_text>div:nth-child(3) div:nth-child(2) img{
	width: 100%;
}

.a2_tit{
	text-align: left;
	font-size: 21px;
	color: #0178d4;
	    width: 66%;
	    margin: auto;
		line-height: 33px;
}
.row_a2{
	padding-top: 80px;
}
.a2_imgs {
	padding-top: 60px;
    width: 592px;
    /* height: 218px; */
    margin: auto;
}
@media only screen and (max-width: 769px) {
	.a1_tit{
		
		padding-top: 2rem;
		padding-bottom: 2rem;
		
		font-size: 2rem;
	}
	.a1_left{
		width: 100%;
		height: 100%;
	}
	.a1_right div{
		width: 90%;
		margin: auto !important;
	}
	.a1_right > div:nth-child(2) p {
	  margin-top: auto;
	}
	.a1_on > div:nth-child(1){
		width: 95%;
		font-size: 1.5rem;
		margin: auto;
	}
	.a1_text  div:nth-child(2){
		width: 100% !important;
		height: 100% !important;
	}
.row_a2 {
  padding-top: 2rem;
}
.a2_tit{
	font-size: 1.5rem;
	width: 95%;
}
.a2_imgs{
	width: 100% !important;
}
}