.bgm img{
	width: 100%;
	height: 100%;
}

.btn {
	position: absolute;
	left: 50%;
	bottom: .55rem;
	transform: translateX(-50%);
	width: 2.83rem;
	height: .72rem;
	background: #E40006;
	border-radius: .12rem;
	text-align: center;
	line-height: .72rem;
	color: #fff;
	font-size: .36rem;
	font-weight: bold;
}