.mian {
	background: url(../img/bg.jpg) no-repeat left bottom;
	width: 100%;
	padding: 80px 0;
	background-size: 100%;
}
.mian .con-img {
	display: block;
	margin: 0 auto;
}
.footer {
	background-color: #0972c2;
	text-align: center;
	font-size: 14px;
	color: #fff;
	padding: 20px 0;
}

/*
body {
	display: -webkit-box;
	display: -ms-flexbox;
	display: -webkit-flex;
	display: flex;
	height: 100vh;
	flex-direction: column;
}
.mian {
	flex: 1;
	align-items: center;
	justify-content: center;
	display: -webkit-box;
	display: -ms-flexbox;
	display: -webkit-flex;
	display: flex;
}
.mian .con-img {
	display: block;
	max-width: 100%;
}*/