body{
	padding: 0;
	margin: 0;
	background-image: url(../img/bj.jpg);
	background-repeat: no-repeat;
	background-position: center top;
	font-family: "Microsoft YaHei", PingFangSC, sans-serif;
}
.zhuti{
	padding-top: 600px;
	margin: auto;
	width: 1200px;
	height: 2750px;
}
.subject{
	width: 1200px;
	float: left;
	text-align: center;
	height: 40px;
	margin-top: 50px;
}
.form{
	width: 1200px;
	float: left;
	text-align: center;
	height: 650px;
	margin-top: 50px;
}
.words{
	width: 1200px;
	float: left;
	margin-top: 50px;
}
.words p{
	margin: 0;
	text-indent:2em;
	font-size: 18px;
	color: #000000;
	line-height: 36px;
}
.unit{
	width: 1200px;
	float: left;
	margin-top: 50px;
	background-color: #0070bf;
	height: 50px;
	line-height: 50px;
	color: #ffffff;
	font-size: 14px;
	text-align: center;
}