.f1{
	width: 100%;
	height: auto;
}
.f1-cen,.f2-cen,.f3-cen,.f4-cen,.f5-cen{
	width: 1200px;
	margin: 0 auto;
	height: auto;
	text-align: center;
	/*background: #777;*/
}
.cen-tex{
	padding-top:74px ;
}
.cen-tex h3{
	font-size: 28px;
	color: #fa9430;
}
.cen-tex p{
	margin-top: 10px;
	font-size: 12px;
	color: #d7d7d7;
}
.cen-tex h3 b{
	font-size: 35px;
	color: red;
	font-weight: 700;
}
.cen-tex h3 p{
	width: 750px;
	height: 90px;
	border: 2px solid #333333;
	margin: 20px auto;
}
.cen-tex h3 span:first-child{
	position: relative;
	left: 0px;
	top: -38px;
	width: 620px;
	font-size: 28px;
	background: #EFEFEF;
	color: #fa9430;
}
.cen-tex h3 span:last-child{
	position: relative;
	left: 0px;
	bottom: 8px;
	width: 200px;
	font-size: 28px;
	background-color: #EFEFEF;
	color: #fa9430;
}
.cen-tex span{
	display: inline-block;
	margin: 10px 0 24px 0;
	width:165px;
	height: 28px;
}
.cen-tex .js{
	width: 1087px;
	text-align: center;
	margin:0 auto;
	color: black;
	font-size: 16px;
}
.imgs{
	width: 1200px;
	height: auto;
	margin: 0 auto;
	text-align: center;
}
.imgs-nr{
	/*margin-top: 65px;*/
	padding-bottom: 90px;
}
.f2,.f4{
	width: 100%;
	height: auto;
	background: #efefef;
}
.kh{
	margin: 60px 0 90px 0;
}
.kh li img{
	transition: all ease 1s; 
	-webkit-transition: all ease 1s;
}
.kh li{
	display: inline-block;
}
.kh li:hover img{
	box-shadow: 0px 0px 20px rgba(250,148,48,.9);
}
.kh-mar{
	margin-right: 30px;
}