/*背景图*/

body {
	background: #fafafa;
	margin: 0 auto;
	background: url(../image/beijing.jpg);
	width: 100%;
	height: 100%;
	background-size: cover;
}

.sign {
	display: flex;
	flex-direction: column;
	justify-content: center;
	align-items: center;
	position: fixed;
	z-index: 2000;
	top: 50%;
	left: 50%;
	-webkit-transform: translate(-50%, -50%);
	-moz-transform: translate(-50%, -50%);
	-ms-transform: translate(-50%, -50%);
	-o-transform: translate(-50%, -50%);
	transform: translate(-50%, -50%);
	overflow: hidden;
	border-radius: 20px;
}

.sign_1 {
	display: flex;
	flex-direction: column;
	justify-content: center;
	align-items: center;
	background: #fff;
	padding-bottom: 50px;
	padding-right: 50px;
}

.headr {
	font-size: 40px;
	height: 200px;
	display: flex;
	flex-direction: column;
	justify-content: center;
	align-items: center;
	padding-left: 50px;
}