@charset "utf-8";
body {
margin:0;
width:100%;
height:100%；
}
img{
	border:0px;
	vertical-align: middle;
}
ul,li,p{
	margin: 0;
	padding: 0;
}
li{
	list-style: none;
}
.clearfix::after{
	content: "";
	clear: both;
	display: block;
}
.top{
	margin: 0 auto;
	width: 1202px;
	height: 306px;
}
.content-box{
	margin: 0 auto;
	width: 980px;
	padding: 10px 0;
}
.introduction{
	float: left;
	width: 320px;
	height: 296px;
}
.login-box{
	float: left;
	/*margin-left: 25px;*/
	width: 370px;
	height: 293px;
}
.system-entrance{
	float: left;
	margin-left: 25px;
	width: 240px;
	height: 296px;
}
.system-entrance ul li{
	margin-bottom: 8px;
}
.system-entrance ul li a:hover{
	opacity: 0.6;
}
.introduction-tit{
	margin-bottom: 10px;
}
.i-present{
	font-size: 14px;
	line-height: 24px;
	text-indent: 2em;
}
.introduction a{
	float: right;
	margin-top: 5px;
	color: #006ec7;
	text-decoration: none;
}
.user-name, .code{
	margin-top: 14px;
}
.user-name input{
	margin-left: 5px;
	width: 310px;
	height: 28px;
	border: 1px solid #bbbbbb;
	border-radius: 3px;
	text-indent: 12px;
	font-size: 14px;
}
.code input{
	margin-left: 5px;
	width: 190px;
	height: 28px;
	border: 1px solid #bbbbbb;
	border-radius: 3px;
	text-indent: 12px;
	font-size: 14px;
}
.login-buttom{
	margin-top: 12px;
	text-align: center;
}
.login-buttom a:hover{
	opacity: 0.8;
}
.safety-knowledge{
	margin: 0 auto;
	width: 980px;
	height: 218px;
}
.foot{
	margin: 20px auto 0;
	width: 1004px;
	height: 84px;
}