/*大屏幕*/
@media screen and (min-width: 769px) {
.footer_nav {
	display: none;
}
}
/*小屏幕*/
@media screen and (max-width: 768px) {
.footer_nav {
	display: block;
	background-color: #535353;
	margin: 0px;
	padding: 0px;
	min-height: 50px;
}
.foot_nav {
	width: 25%;
	float: left;
	text-align: center;
	color: #fff;
	background-color: #535353;
}
.foot_nav:hover, .foot_nav:focus {
	color: #353535;
	background-color: #f2f2f2;
	cursor: pointer;
}
.foot_nav a {
	color: #fff;
	background-color: #535353;
	display: block;
}
.foot_nav a:hover, .foot_nav a:focus {
	text-decoration: none;
	color: #353535;
	background-color: #f2f2f2;
}
.foot_nav span {
	display: block;
	padding: 6px 0px 0px 0px;
}
}