.head ul li:nth-of-type(4) a{
	border-bottom:3px solid #14D200;
}
.banner{
	width: 100%;
  min-width:1200px;
	margin: 0 auto;
	height: 674px;
	background:url(../img/index1.jpg) no-repeat;
	background-size:1920px 674px;
	background-position-x:center ;
}
/*.ban_sec{
	width: 1200px;
	margin: 0 auto;
	position: relative;
}
.ban_center{
	width: 375px;
	margin: 0 auto;
	text-align: center;
}
.ban_center img{
	width: 154px;
	height: 154px;
	margin-top: 205px;
	border-radius:10px ;
}
.b_center_text{
	width: 375px;
	margin-top: 70px;
	border-top:1px solid #FFF ;
	border-bottom:1px solid #FFF ;
}
.b_center_text h1{
	line-height: 70px;
	font-size:50px ;
	color: #FFF;
}
.b_center_text p{
	line-height: 70px;
	font-size:29px ;
	color: #FFF;
}
.ban_sec figure{
	width: 200px;
	position: absolute;
	top: 290px;
	right: 0;
	text-align: center;
}
.ban_sec figure img{
	width: 185px;
	height: 185px;
}
.ban_sec figure figcaption{
	line-height: 50px;
	font-size:24px ;
	color: #FFF;
}*/