body {
	margin: 0;
	padding: 0;
	background-color: rgb(240, 240, 240);
}

#box {
	width: 1200px;
	height: 1700px;
	margin: auto;
	background-color: white;
}

.xa {
	margin-top: -50px;
}

nav {
	width: 1200px;
	height: 60px;
	background-color: black;
	position: relative;
	margin-top: -80px;
}

nav li {
	display: inline-block;
	margin-left: 68px;
	margin-top: 15px;
}

a {
	color: white;
	text-decoration: none;
	font-size: 20px;
	font-weight: bold;
}

.x {
	font-family: 华文行楷;
	font-size: 140px;
	margin-top: -450px;
	color: wheat;
	margin-left: 80px;
}

.an {
	font-family: 华文行楷;
	font-size: 140px;
	margin-top: -220px;
	color: wheat;
	margin-left: 150px;
}

a:hover {
	background-color: white;
	color: black;
}

.dq {
	text-align: center;
	margin-top: 250px;
	font-size: 20px;
	color: gray;
}

.x3 {
	margin: 30px auto;
	display: block;
}

.nin {
	width: 300px;
	height: 20px;
}

.ly {
	width: 300px;
	height: 50px;
	margin-left: 82px;
	margin-top: -35px;
}

.dlk {
	margin-top: 100px;
	text-align: center;
}

.lynr {
	margin-left: -328px;
	margin-top: 0px;
}

.tj {
	width: 60px;
	height: 25px;
	background-color: orange;
	border-color: orange;
	border-radius: 5px;
	border: 1px solid orange;
	color: white;
	margin-left: 280px;
}

.qc {
	width: 60px;
	height: 25px;
	background-color: gray;
	border-color: gray;
	border-radius: 5px;
	border: 1px solid gray;
	color: white;
}

.kk {
	width: 700px;
	height: 300px;
	box-shadow: 0px 0px 5px 1px black;
	margin: 30px auto;
}

.foot {
	width: 1200px;
	height: 80px;
	margin-top: 140px;
	background-color: black;
}

.di {
	color: white;
	text-align: center;
	padding-top: 25px;
}