#topaa { text-align:center;}
@media only screen  and (max-width:1024px){
	
	#content .chanpin { display:none !important;}
	
	#content .about .jieshao { width:100% !important;}
	#content .about .jieshao_1{ width:100% !important;}
	#content .about .jieshao_1 { background: none !important; font-size:22px !important; line-height:50px !important; margin-bottom:20px !important; padding-left:0px !important;}
	
	#content .about .jieshao_11 { background: none !important; font-size:22px !important; line-height:50px !important; margin-bottom:20px !important; padding-left:0px !important;}
	
	#content .about .jieshao_1 { text-align:center !important;}
	.sj_news { padding-bottom:50px !important;}
	.sj_news table tr td table tr td:nth-child(2) { width:70% !important;}
	.sj_news table tr td table tr td:nth-child(1) { width:8% !important;}
	.sj_news table tr td table tr td:nth-child(3) { width:22% !important;}
	.sj_news table tr td table tr td:nth-child(4) { width:70px !important;}
	.jieshao_2 table tr td p img { width:100% !important; height:auto !important;}
.jieshao_2 table tr td div { width:99% !important; height:auto !important; padding-left:0px !important; margin:10px auto !important; }
.jieshao_2 table tr td div img { width:100% !important; height:auto !important;}

.jieshao .jieshao_2 table tr td.fo p img { width: auto!important; height:auto !important; max-width:100% !important;}

.sj_zhiliang table tr td table tr td:nth-child(3) { display:none !important;}
.sj_zhiliang table tr td table  { width:100% !important;}
.sj_zhiliang table tr td table tr { width:100% !important;}	
	}