.con_intro{
	overflow:hidden;
}
.con_intro .tit{
	font-size:1.5em;
	
}
.con_intro .span{
	font-size:0.9em;
}
.con_intro .tit,.con_intro .span{
	text-align:center;
	line-height:2em;
}
.article{
	width:100%;
	height:auto;
	margin-top:3em;
	font-size:0.8em;
	line-height:2em;
	color:#666666;
	padding-bottom:2em;
	border-bottom:1px solid #FF9600;
}
.preAndnext{
	width: 100%;
}
.preAndnext div{
	width: 50%;
	height:100%;
	float: left;
	text-align: center;
}
.preAndnext a{
    float: left;
    padding-top:0.3em;
	line-height:1em;
	color:#333333;
}
.keyword{
	line-height:3em;
	font-size:0.8em;
}
/*.con_intro img{
width:70%;height:auto;}*/
@media screen and (max-width:1920px){
.top{
	height:120px;
}
}
@media screen and (max-width:1680px){
	.top{
	height:115px;
	}
}
@media screen and (max-width:1600px){
	.top{
	height:100px;
	}
}
@media screen and (max-width:1440px){
	.top{
	height:90px;
	}
}
@media screen and (max-width:1366px){
	.top{
	height:80px;
	}