@media screen and (min-width: 1750px){
  .logo_text{
		display: block;
	}
  .head_menu_top{
		display: block;
	}
}
@media screen and (min-width: 1367px) and (max-width: 1750px){
	.menu_tt .text{
		padding: 0 15px;
	}
  .head_menu_top{
		display: block;
	}
	
	
}
@media screen and (min-width: 992px) and (max-width: 1366px){
	.head_menu_top{
		display: none;
	}
  .mobile_lag_icon{
    display:block;
  }
	.menu{
		display: none;
		position: absolute;
		top: 125px;
		left:0;
		width:100%;
		height: auto;
		z-index: 999;
		padding: 10px;
		margin: 0;
		background: #f8f8f8;
	}
	.menu_dl{
		height: auto;
		flex-direction: column;
		-webkit-flex-direction: column;
	}
	.menu_dl dd{
		width: 100%;
		color: #fff;
		height: auto;
		position: static;
	}
	.menu_tt{
		color: #fff;
		border-top: none;
		border-bottom: 1px solid #ddd;
	}
	.menu_tt_ico{
		display: block;
		width: 60px;
		height: 60px;
		cursor: pointer;
	}
	.menu_tt .text{
		float: left;
		line-height: 60px;
		width: 80%;
		text-align: left;
		padding: 0;
		padding-left: 10px;
		color: #333;
	}
	.menu_down{
		position:static;
		top: auto;
		left: auto;
		width: 100%;
		margin-left: 0;
		text-align: left;
		padding: 10px 0 15px;
		border: none;
		overflow: hidden;
		background:#f5f5f5;
		box-shadow: none;
	}
	.menu_two_tt{
		color: #333;
		font-size: 16px;
		padding: 0 15px;
		font-weight: bold;
		border-bottom:0;
	}
	.menu_dl dd.hover .menu_tt a{
		color: #fff;
	}
	.menu_three{
		display: block;
		position:static;
		top: auto;
		left: auto;
		width: 100%;
		border: none;
		padding: 0 15px;
		background: none;
	}
	.menu_three a{
		padding: 0;
		line-height: 30px;
		border: 0;
	}
	
	.menu_btn{
		display: block;
		right: 10px;
		top: 38px;
	}
	.ind_search{
		display: block;
	}
		
  .banner{
		height: 500px;
		background-size:cover !important;
		transition: all .5s ease-in-out;
    	-webkit-transition: all .5s ease-in-out;
	}
	
	.zt2_box1_con_b_pic_scroll{
		width: 35%;
	}
	.zt2_box1_con_b_video{
		width: 64%;
	}
	.zt2_box1_con_b_video_l{
		width: calc(100% - 170px);
	}
	.zt2_box1_con_b_video_text{
		width: 170px;
	}
	.zt2_box1_con_b_video_text .tt1{
		font-size: 42px;
		width: 50px;
		line-height: 50px;
	}
	
}


@media screen and (min-width: 768px) and (max-width: 991px){
	.head_b{
		height: 80px;
	}
	.head_search{
		margin-top: 20px;
		margin-right: 60px;
	}
	.ind_sea_hide{
		top: 80px;
	}
  .mobile_lag_icon{
    display:block;
  }
	.logo_l{
		float: none;
	}
	.logo_l img{
		height: 80px;
	}
	.head_menu_top{
		display: none;
	}
	.menu{
		display: none;
		position: absolute;
		top: 80px;
		left:0;
		width:100%;
		height: auto;
		z-index: 999;
		padding: 10px;
		margin: 0;
		background: #f8f8f8;
	}
	.menu_dl{
		height: auto;
		flex-direction: column;
		-webkit-flex-direction: column;
	}
	.menu_dl dd{
		width: 100%;
		color: #fff;
		height: auto;
		position: static;
	}
	.menu_tt{
		color: #fff;
		border-top: none;
		border-bottom: 1px solid #ddd;
	}
	.menu_tt_ico{
		width: 60px;
		height: 60px;
		cursor: pointer;
	}
	.menu_tt .text{
		float: left;
		line-height: 60px;
		width: 80%;
		text-align: left;
		padding: 0;
		padding-left: 10px;
		color: #333;
	}
	.menu_down{
		position:static;
		top: auto;
		left: auto;
		width: 100%;
		margin-left: 0;
		text-align: left;
		padding: 10px 0 15px;
		border: none;
		overflow: hidden;
		background:#f5f5f5;
		box-shadow: none;
	}
	.menu_two_tt{
		color: #333;
		font-size: 14px;
		padding: 0 15px;
		border-bottom:0;
	}
	.menu_dl dd.hover .menu_tt .text{
		color:#e6482f;
		background: none;
	}
	.menu_three{
		display: block;
		position:static;
		top: auto;
		left: auto;
		width: 100%;
		border: none;
		padding: 0 15px;
		background: none;
	}
	.menu_three a{
		padding: 0;
		line-height: 30px;
		border: 0;
	}
	
	.menu_btn{
		display: block;
		right: 10px;
		top:18px;
	}
	.ind_search{
		display: block;
	}
  
  .banner{
		height: 400px;
		background-size:cover !important;
		transition: all .5s ease-in-out;
    	-webkit-transition: all .5s ease-in-out;
	}
	
	.zt2_title img{
		height: 90px;
	}
	.zt2_box1_con_b{
		flex-direction: column;
		-webkit-flex-direction: column;
	}
	.zt2_box1_con_b_pic_scroll{
		width: 100%;
		margin-bottom: 12px;
	}
	.zt2_box1_con_b_video{
		width:100%;
	}
	.zt2_box1_con_b_video_l{
		width: calc(100% - 150px);
	}
	.zt2_box1_con_b_video_text{
		width: 150px;
	}
	.zt2_box1_con_b_video_text .tt1{
		font-size: 42px;
		width: 42px;
		line-height: 50px;
	}
	.zt2_box2,.zt2_box4{
		min-height: auto;
	}
	
}


@media screen and (min-width: 300px) and (max-width: 767px){
	.head_b{
		height: 58px;
	}
	.head_search{
		margin-top: 9px;
		margin-right: 60px;
	}
	.ind_sea_hide{
		top: 58px;
	}
  .mobile_lag_icon{
    display:block;
  }
	.logo_l{
		float: none;
	}
	.logo_l img{
		height: 58px;
	}
	.head_search{
		font-size: 22px;
	}
	.head_menu_top{
		display: none;
	}
	.menu{
		display: none;
		position: absolute;
		top: 58px;
		left:0;
		width:100%;
		height: auto;
		z-index: 999;
		padding: 10px;
		margin: 0;
		background: #f8f8f8;
	}
	.menu_dl{
		height: auto;
		flex-direction: column;
		-webkit-flex-direction: column;
	}
	.menu_dl dd{
		width: 100%;
		color: #fff;
		height: auto;
		position: static;
	}
	.menu_tt{
		color: #fff;
		border-top: none;
		border-bottom: 1px solid #ddd;
	}
	.menu_tt_ico{
		width: 40px;
		height: 40px;
		cursor: pointer;
	}
	.menu_tt .text{
		float: left;
		line-height: 40px;
		width: 80%;
		text-align: left;
		padding: 0;
		padding-left: 10px;
		color: #333;
	}
	.menu_down{
		position:static;
		top: auto;
		left: auto;
		width: 100%;
		margin-left: 0;
		text-align: left;
		padding: 10px 0 15px;
		border: none;
		overflow: hidden;
		background:#f5f5f5;
		box-shadow: none;
	}
	.menu_two_tt{
		color: #333;
		font-size: 14px;
		padding: 0 15px;
		border-bottom:0;
	}
	.menu_dl dd.hover .menu_tt .text{
		color:#e6482f;
		background: none;
	}
	.menu_three{
		display: block;
		position:static;
		top: auto;
		left: auto;
		width: 100%;
		border: none;
		padding: 0 15px;
		background: none;
	}
	.menu_three a{
		padding: 0;
		line-height: 30px;
		border: 0;
	}
	
	.menu_btn{
		display: block;
		right: 5px;
		top:6px;
	}
	.ind_search{
		display: block;
	}
	.ind_sea_hide{
		right: 0;
		width: 100%;
	}
  
	.banner{
		height: 200px;
		background-size:cover !important;
		transition: all .5s ease-in-out;
    	-webkit-transition: all .5s ease-in-out;
	}
	.banner_con{
		display: none;
	}
	.banner_con2{
		display: block;
	}
	
	
	.zt2_title img{
		height: 70px;
	}
	.zt2_box1_con_b{
		flex-direction: column;
		-webkit-flex-direction: column;
	}
	.zt2_box1_con_b_pic_scroll{
		width: 100%;
		margin-bottom: 12px;
	}
	.zt2_box1_con_b_video{
		width:100%;
	}
	.zt2_box1_con_b_video_l{
		width: calc(100% - 150px);
	}
	.zt2_box1_con_b_video_text{
		width: 150px;
	}
	.zt2_box1_con_b_video_text .tt1{
		font-size: 42px;
		width: 42px;
		line-height: 50px;
	}
	.zt2_box2,.zt2_box4{
		min-height: auto;
	}
	
	.zt2_box4_tabs_item_box{
		width: 100%;
	}
	
	.zt2_box4{
		background:#136FB0 !important;
	}
	.zt2_box4_tabs_item_box{
		flex-direction: column;
    -webkit-flex-direction: column;
	}
	.zt2_box4_tabs_item_pic{
		margin: 0 auto 20px;
	}
	.zt2_box4_tabs_item_con{
		width: 100%;
	}
	
	.footer_t .wrapper{
		flex-direction: column;
		-webkit-flex-direction: column;
	}
	.foopter_l,.foopter_r{
		width: 100%;
		padding-left: 0;
	}
	.foopter_r_cord{
		margin: 0 auto 20px;
	}
	.foopter_r_title{
		font-size: 20px;
	}
	.foopter_r_list dd .icon{
		width: 36px;
		height: 36px;
		font-size: 30px;
	}
	.foopter_r_list .con{
		padding-left: 5px;
	}
	
	.mobile_footer_btn{
    display:block;
  }
	
	
	
	
	
	
}