@media screen and (max-width:992px) {
    .zsyck_bt {
		margin: 150px 0 0 0px;
    }
    .zsyck_zw_1{
	margin-top: 380px;
	margin-bottom: 10px;
	}
	.wzscsj{
	text-align: center !important;
	height: 880px;
    background: url(../images/chaojiyuedu/wezhongshengci_bg.png) no-repeat 50% 0px; 
	}
	.wzscsj_bt_img{
	width:400px;
	margin: 80px auto !important;
	}
}

@media screen and (min-width:993px) {
    .block_992 {
        display:none;
    }
}
/*小于768的时候响应这个*/
@media screen and (max-width:768px) {
	.jxff{
		background-color:  #fff;
	    margin:  60px 0 0 0;
	    background: url(../images/chaojiyuedu/wdff.png) no-repeat 50% 0px;
	    height: 600px;
	}
	.pbdbf_bg{
	    background-color:  #fff;
	    background-size: 100%;
	    background: url(../images/chaojiyuedu/pbdbf_bg.png) no-repeat 50% -180px;
	}
	.pbdbf_img{
	    background: url(../images/chaojiyuedu/pbdbf.png) no-repeat 50% 40px;
	    height: 480px;
	    margin: 0 auto 0 auto;
	    background-size: 90%;
	}
	/*自适应构建词库开始*/
	.zsyckgj_bg{
		background-color:  #fff;
	    height: 770px;
	    background-size: 100%;
	    background: url(../images/chaojiyuedu/zishiyinggoujian_bg.png) no-repeat 50% -110px;
	}
	.zsyck_bt{
		margin: 100px 0 0 0px;
    	width: 100%;
	}
	.zsyck_zw_1{
		margin-top: 390px;
	}

	/*自适应构建词库结束*/
	/*文中生词速记+词位复原训练开始*/
	.wzscsj{
		text-align: right;
		height: 720px;
	    background: url(../images/chaojiyuedu/wezhongshengci_bg.png) no-repeat 50% 0px; 
	}
	.wzscsj_bt_img{
		width:90%;
		margin: 80px 40px 0 0;
	}
	.cwfyxl{
	    background: url(../images/chaojiyuedu/ciweifuyuan_bg.jpg) no-repeat 50% 0px; 
		height: 770px;
		text-align: center;
	}
	.plcjf_bt_img{
	    width: 90%;
		margin: 80px auto;
	}
	.schgwz{
		margin: 460px auto 0 auto;
	}
	/*三步递归研读*/
	.sbdg_bg{
		background: url(../images/chaojiyuedu/sanbudiguiyandu_bg_mb.png) no-repeat 50% 0px; 
		height: 880px;
	}
	.sbdg_bt{
		width: 100%;
		margin: 50px auto;
	}
	/*次文反哺训练开始*/
	.cwfbxl_bt{
		margin: 60px auto;
		width: 400;
		text-align: center;
	}
	.cwfbxl_bt img{
		width: 100%;
	}
	.cwfbxl_bg{
	    background-size: 100%;
		background: url(../images/chaojiyuedu/ciwenfanbu_bg.png) no-repeat ;
	}
	.xwhcycbw{
		margin-bottom: 40px; 
		text-align: center;
	}
	.xwhcycbw img{
		width: 24%;
	}
}

/*大于768的时候响应这个*/
@media screen and (min-width:769px) {
	.jxff{
		background-color:  #fff;
	    margin:  60px 0 0 0;
	    background: url(../images/chaojiyuedu/wdff.png) no-repeat 50% 0px;
	    background-size: cover !important;
	    height: 880px;
	}
	.pbdbf_bg{
	    background-color:  #fff;
	    background-size: 100%;
	    background-size: cover !important;
	    background: url(../images/chaojiyuedu/pbdbf_bg.png) no-repeat 50% 0px;
	}
	.pbdbf_img{
	    background: url(../images/chaojiyuedu/pbdbf.png) no-repeat 50% 20px;
	    height: 610px;
	    margin: 0 auto 0 auto;
	}
	/*自适应构建词库开始*/
	.zsyckgj_bg{
	    height: 880px;
	    background-size:auto 100%;
	    background: url(../images/chaojiyuedu/zishiyinggoujian_bg.png) no-repeat 50% 0px;
    	background-color:#cad8de;

	}
	.zsyck_bt{
		margin: 80px 0 0 0px;
		width: 400px;
	}
	.zsyck_zw_1{
		margin-top: 420px;
		margin-bottom: 10px;
	}

	/*自适应构建词库结束*/
	/*文中生词速记+词位复原训练开始*/
	.wzscsj{
		text-align: right;
		height: 880px;
	    background-size: cover !important;
	    background: url(../images/chaojiyuedu/wezhongshengci_bg.png) no-repeat 50% 0px; 
	}
	.wzscsj_bt_img{
		width:400px;
		margin: 80px 40px 0 0;
	}
	.cwfyxl{
	    background-size: cover !important;
	    background: url(../images/chaojiyuedu/ciweifuyuan_bg.jpg) no-repeat 50% 0px; 
		height: 880px;
	}
	.schgwz{
		text-align: left !important;
    	margin: 600px 0 0 80px;
	}
	/*三步递归研读*/
	.sbdg_bg{
	    background-size: auto 100%;
		background: url(../images/chaojiyuedu/sanbudiguiyandu_bg.png) no-repeat 50% 0px; 
		height: 880px;
    	background-color:#d3d8dc;
	}
	.sbdg_bt{
		width:400px;
		margin: 60px 40px 0 0;
	}
	/*次文反哺训练开始*/
	.cwfbxl_bt{
		margin: 60px auto;
		width: 400;
		text-align: center;
	}
	.cwfbxl_bg{
	    background-size: 100%;
	    background-size: cover !important;
		background: url(../images/chaojiyuedu/ciwenfanbu_bg.png) no-repeat 50% 0px;
	}
	.xwhcycbw{
		margin-bottom: 40px; 
		text-align: center;
	}
	.xwhcycbw img{
		
	}
}