.wrap {
	position: relative;
	margin: 0 auto;
	z-index: 0;
}

.wrap .downBtn{
	position: absolute;
	top: 8.5rem;
	left: 23%;
	width: 55%;
	height: 1.2rem;
	background-image: url("../img/btn_download.png");
	background-size: 100% 100%;
	background-repeat: no-repeat;
}

.bg img,.downBtn img {
    display: block;
    width: 100%;
    height: 100%;
}
.wrap .downNum{
	position: absolute;
	top: 9.9rem;
	right: 37%;
	width: 2rem;
}

.bannerBox {
	position: absolute;
	left: 3%;
	top: 11.84rem;
	width: 92%;
	height: 3.4rem;
}
.banner{
	margin: 0 auto;
	width: 90%;
	height: 100%;
	overflow: hidden;
}
.swiper-slide>img{
	width: 100%;
}