@media only screen and (min-width: 540px) and (max-width: 720px) {


.login-zhuti{
	width: 540px;
	margin: 0 auto;
	height: 100vh;
	
	z-index: 10;
	position: relative;
}

.logo-dakuang{
	width: 540px;
	height: 330px;
	position:relative;
	margin: 0 auto;
	
	top:50%;
	margin-top: -165px;
}

.logo-liuyan{
	width: 139px;
	height: 40px;
	position: absolute;
	background: #B60005;
	bottom: 0;
	left: 0;
	display: none;
}

.logo-liuyan a {
	display: block;
	width: 139px;
	height: 40px;
	text-align: center;
	line-height: 40px;
	font-size: 18px;
	color: #fff;
}
	
}