* {
	padding: 0;
	margin: 0;
	font-family: "微软雅黑";
	color: #333333;
	box-sizing: border-box;
}
html{
	height: 100%;
}
body{
	min-height: 100%;
	position: relative;
	padding-bottom: 224px;
}
ul,
li {
	list-style: none;
}

a {
	color: inherit;
	text-decoration: none;
}

.header-center {
	width: 1200px;
	margin: 0 auto 0;
	padding: 20px 0;
	display: flex;
	justify-content: space-between;
}

.logo {
	height: 100px;
}

/* nav {
	position: sticky;
	width: 1200px;
	margin: 0 auto 0;
	display: flex;
	z-index: 2;
	box-shadow: 0 26px 11px -26px #000000;
} */
nav {
	position: -webkit-sticky;
	position: sticky;
	top:0;
	box-shadow: 0 3px 8px -8px #000;
	background-color: #FFFFFF;
	z-index: 999;
}

nav>div {
	width: 1200px;
	margin: 0 auto 0;
	display: flex;
}

nav a {
	flex: 1;
	padding: 15px 15px;
	font-size: 18px;
	white-space: nowrap;
	text-align: center;
	position: relative;
}

nav a:hover {
	background: #0dbc3e;
	color: #FFFFFF;
}

nav a:hover .drop-down {
	display: block;
}

nav .drop-down {
	display: none;
	position: absolute;
	top: 54px;
	left: 0;
	min-width: 100%;
	background: #0dbc3e;
	z-index: 9999;
	padding-bottom: 10px;
}

nav .drop-down .drop-down-cell {
	padding: 5px 10px;
	color: #FFFFFF;
	font-size: 14px;
	text-align: left;
	border-bottom: 1px solid #FFFFFF;

}

nav .drop-down .drop-down-cell:hover {
	background-color: #23d655;
}

nav .drop-down .drop-down-cell:last-child {
	border-bottom: none;
}





footer{
	background-color: #0dbc3e;
	padding: 50px 0;
	width: 100%;
	position: absolute;
	bottom: 0;
	left: 0;
}
footer p{
	text-align: center;
	margin-bottom: 10px;
	color: #FFFFFF;
}

footer p span{
	margin-left: 40px;
				color: #FFFFFF;
}