@charset "utf-8";
@media only screen and (max-width: 769px) and (min-width: 300px){
/*显示和隐藏开始*/
.box_block,.logo_dianhua_sj,.sj_block{
	display:block;
}
.box_none,.header_tou,.logo_dianhua,.logo_wenzi,.nav>li:hover .nav2,.cp_main_left,.lj_nav,.liyou,.list_article_td_img{
	display: none;
}
/*显示和隐藏结束*/
/*header部分开始*/
	.header_logo{
    padding-top: 5px;
    padding-bottom: 5px;
}
	header nav {
		padding: 3px 0;
	}
	.nav{
		margin: 0px;
	}
	header nav ul li {
		height: 36px;
		width: 33.333%;
		margin: 0;
		float: left;
	}
	.nav li a{
		padding: 0px;
		height: 36px;
		line-height: 36px;
		font-size:14px;
	}
	header nav ul li:nth-of-type(1),
	header nav ul li:nth-of-type(2),
	header nav ul li:nth-of-type(3),
	header nav ul li:nth-of-type(4),
	header nav ul li:nth-of-type(5),
	header nav ul li:nth-of-type(6),{
		display: block !important;
	}
	header nav ul li a {
		padding: 0px;
		display: block;
		text-align: center;
		height: 36px;
		line-height: 36px;
	}
		/*header部分结束*/
	/*产品，案例部分*/
	.cp_r_title{/*面包屑导航超出隐藏*/
 overflow:hidden;
}
	.cp_main_right{
		margin: 0px;
	}
	.cp_main_right,.cp_main_right .cp_tu img,.cp_tu span{
		width: 100%;
	}
	.cp_main_right .cp_tu ul li{
		width: 49%;
		margin-right: 1%;
	}
.cp_main_right_neiye .row{
	margin-left:-15px;
}
	.about{
		height: auto;
		padding: 0;
	}
	.about_0{
		display: block;
		text-align: center;
		padding: 20px 0;
	}
	.about_1{
		display: none;
		
	}
	.about_2 {
		width: 100%;
		padding:0;
	}
	.about_2 img {
		width: 100%;
	}
	.about_3{
		padding: 0 15px;
	}
	footer{
		padding-top: 5%;
		padding-bottom: 60px;
	}
	footer .col-md-2{
		display: none;
	}
	.m_footer {
		display: block;
		height: 50px;
		position: fixed;
		bottom: 0px;
		width: 100%;
		left: 0px;
		background: #353638;
		z-index: 999;
		border-top: 1px solid #fff;
	}
	
	.m_foot_btn {
		width: 33.3%;
		float: left;
		height: 50px;
		display: block;
		padding-top: 3px;
		text-align: center;
		border-right: 1px solid #fff;
	}
	
	.m_foot_btn i {
		color: #fff;
		display: block;
		font-size: 20px;
	}
	
	.m_foot_btn span {
		display: block;
		text-align: center;
		color: #fff;
		font-size: 12px;
	}

	
}