.m-1{
	background: #ddd;
	height: 401px;
}
.item{
	width: 404px;
	margin-bottom:30px;
	margin-right: 57px;
}
.item:nth-child(3n){
	margin-right: 0;
}
.bg-tip{
	margin:0 auto; 
	width:135px;
	height: 95px;
}
.tip1{
	background:  url(../imgs/tip_1.png) center center no-repeat;
}
.tip2{
	background:  url(../imgs/tip_2.png) center center no-repeat;
}
.tip3{
	background:  url(../imgs/tip_3.png) center center no-repeat;
}
.m-3{
	background:url(../imgs/bg_wrap.png);
	padding-bottom: 66px;
}
.width50:nth-child(1){
	background: url(../imgs/show_2.png);
}
.width50:nth-child(2){
	background: url(../imgs/show_1.png);
}
.width50{
	background-size: 100% auto;
	height:100%;
}
.width50 div{
	filter: brightness(2);
}
.rgba{
	width:100%;
	height:100%;
	background: rgba(0,0,0,0.3);
}
.swiper-container{
	/*z-index: -1;*/
}
.swiper-box{
	position: relative;
}
.swiper-pagination{
	position: absolute;
	left: 50%;
	transform: translateX(-50%);
	bottom: 20px;
}
.swiper-pagination-bullet{
	margin-left: 2px;
	margin-right: 2px;
}