.row_a1{
	position: relative;
}
.a1_tab{
	position: absolute;bottom: 0;
	color: #fff;
	width: 100%;
	border-top: 2px solid rgba(255, 255, 255, .2);
}
.a1_tab ul{
	display: flex;
	justify-content:center;
}
.a1_tab ul li{
	cursor: pointer;
	padding-top: 37px;
	padding-bottom: 37px;
	margin-right: 50px;
	color: #cccccc;
	position: relative;
}
.a1_tab ul li.curren{
	color: #fff;
	/* border-top: 2px solid #fff; */
}
.a1_tab ul li:last-child{
	margin-right: 0;
}
.a1_tab ul li.curren::before {
    content: '';
    position: absolute;
    top: -2px;
    width: 100%;
    border-top: 2px solid #fff;
}
.a1_banner{
	position: relative;
}
.a1_banner>div:nth-child(2){
	position: absolute;
	top: 50%;
	left: 50%;
	transform: translate(-50%,-50%);
	font-size: 60px;
	color: #fff;
}
.a2_tit{
	font-size: 36px;
	color: #21205c;
	/* padding-bottom: 34px; */
	display: flex;

	justify-content: center;
	
}
.a2_tit span{
	display: inline-block;
	position: relative;
	
}
.a2_tit span::before{
	/* position: absolute;content: '';
	transform: translateX(50%,50%);
	width: 50px;
	right: 50px;
	bottom: -15px;
	height: 4px;
	background: #2aa9e0; */
}
.a2_swiper{
	overflow: hidden;
	position: relative;
}
.row_a2{
	padding-top: 70px;
	padding-bottom: 80px;
}
.a2_text{
	font-size: 16px;
	color: #333;
	line-height: 30px;
	padding-bottom: 50px;
	padding-top: 30px;
	text-align: left; 
}
.a2_box{
	display: flex;
	flex-wrap: wrap;
}
.a2_box>div{
    /* width: 32.3%; */
	    width: calc(100% - 77%);
	margin-right: 20px; 
	margin-bottom: 20px;
}
.a2_box>div:nth-child(4n+4){
	margin-right: 0;
}
@media screen and (max-width:769px) {
	.row_a2{
		padding-top: 0.7rem;
		padding-bottom: 0.8rem;
	}
	.a2_box{
		    padding-left: 0.1rem;
	}
	.a2_tit{
		font-size: 0.36rem;
	}
	.a2_text{
		font-size: 14px;
		padding-left: .3rem;
		padding-right: .3rem;
	}
	.a2_box>div{
		width: 47%;
	}
	.a2_box>div:nth-child(4n+4){
		margin-right: 20px;
	}
	.a2_box>div:nth-child(2n+2){
		margin-right: 0;
	}
	.a1_tab ul li{
		padding-top: 0.37rem;
		padding-bottom: 0.37rem;
		margin-right: 30px;
	}
	
}