body {
	width: 100%;
	height: 100%;
	background-color: #87CEEB;
}

.loginui {
	margin: auto;
	width: 500px;
	display: block;
}

.name-exam {
	margin-bottom: 0px;
	text-align: center;
}

.登录功能 {
	width: 498px;
	margin: auto;
	display: block;
}


#name {
	text-align: center;
	background-color: brown;
	width: 394px;
	padding-top: 10px;
	padding-bottom: 10px;
	color: white;
}

#name::placeholder {
	color: gainsboro;
}

.com {
	width: 498px;
	margin: auto;
	display: block;
	margin-top: 20px;
}

.agree {
	width: 498px;
}

.返回官网 {
	position: fixed;
	width: 50px;
	left: 0px;
	bottom: 100px;
	cursor: pointer;
}