@media only screen and (max-width: 1300px){
	.title {
	width: 100%;
	float: left;
}
.four {
	font-size: 12px;
	}
	.dongtai {
	margin-top: 24px;
	}

.four_title,.pingtai_title,.adv_title,.dongtai_title {
	font-size: 40px;
}
.four_h3 ,.pingtai_h3,.adv_h3,.dongtai_h3{
	font-size: 22px;
	
}

.enews {
	display: block;
	width: 100%;

}
.newslist {
	font-size: 16px;
	color: #222222;
}
.small_box .box p {
	margin-top: 20px;
	font-size: 20px;
	color: #222222;
}
.small_box .box figcaption>p{
	top:-25% !important;
	color: #ffffff;
}
.small_box .box span {
	font-size: 13px;
	color: #888888;
}
.foot_left,.foot_right{
	font-size: 12px;
}

}
@media only screen and (max-width: 1220px){
	.tab_box .chanpin_box{
	width: 30%;
	margin-left:2% ;
	display: inline-block;
	height: 80px;
	float: left;
	margin-top: 30px;
}
.tab_box .box_title{
	font-size: 28px;
	color: #3399cc;
}
.chanpin_boxl{
	display: inline-block;
	float: left;
	width: 150px;
	padding-top: 10px;
}
.chanpin_boxl>:first-child{
	font-size: 18px;
}
.chanpin_boxl span{
	font-size: 14px;
	
}
}
@media only screen and (max-width: 1030px){
.navigation {
	height: 50px;
}

.navigation .nav {
	height: 50px;
}

.navigation .nav li {
	height: 50px;
}

.navigation .nav li a {
	height: 50px;
	line-height: 50px;
	font-size: 18px;
	padding-top: 3px;
}
.cont_title{
	margin-top: 20px;
}
.tab_box .chanpin_box{
	width: 30%;
	margin-left: 2%;
	display: inline-block;
	height: 140px;
	float: left;
	margin-top: 20px;
}
.tab_box .box_title{
	font-size: 28px;
	color: #3399cc;
}
.chanpin_boxl{
	display: inline-block;
	float: left;
	width: 170px;
	padding-top: 5px;
	margin-bottom: 10px;
}
.chanpin_boxl>:first-child{
	font-size: 18px;
}
.chanpin_boxl span{
	font-size: 14px;
}
}
@media only screen and (max-width: 1000px){
	.adv_box{
		margin-left: 20%;
		width: 60%;
	}
}