@media screen and ( min-width:1601px ) and ( max-width:1920px ){


}
@media screen and  ( min-width:1441px ) and ( max-width:1650px ){
}
@media screen and  ( min-width:1300px ) and ( max-width:1440px ){
	.m3_4{top: 26%;}
	.top_2a_1 ul li{margin: 0 15px;}
	.ft1 {margin-bottom: 90px;}
	.kjcy_3a_1 .msdc_1a{padding:14% 0;}
	.jkdc_1 ul li .jkdc_1a div{margin-top: 40px!important;height: 340px;overflow: hidden;overflow-y: auto;}
	.whd img{width: 80px;display: block;}
	.b1 img{width: 300px!important;display: block;}
}

@media screen and  ( min-width:1163px ) and ( max-width:1299px ){
	.m3_4{top: 26%;}
	.top_2a_1 ul li>a{font-size: 13px;}
	.top_2a_1 ul li{margin: 0 9px;}
	.ft1 {margin-bottom: 70px;}
	.kjcy_3a_1 .msdc_1a{padding:14% 0;}
	.jkdc_1 ul li .jkdc_1a div{margin-top: 40px!important;height: 340px;overflow: hidden;overflow-y: auto;}
	.whd img{width: 80px;display: block;}
	.b1 img{width: 300px!important;display: block;}
}

@media screen and  ( min-width:1000px ) and ( max-width:1162px ){
	html{min-width:1200px;overflow-x: auto;}
	.top_1{width: 1160px;}
	.top_2a_1 ul li{margin: 0 8px;}
	.ft1 {margin-bottom: 40px;}
}

@media screen and ( max-width:999px ){
	.top_2a_1 ul li>a{font-size: 13px;}
	.ft1 {margin-bottom: 40px;}
	.main3{overflow: hidden;}
	html{min-width:999px;overflow-x: auto;}
	.top_1{width: 1160px;}
	.top_2a_1 ul li{margin: 0 8px;}
}