.tk li:nth-child(4n){
    margin-right: 0;
}
.mr20{margin-right:53px;}
.listbox{float:left; margin-bottom:20px; margin-top:10px;width:260px; height:342px; position:relative;}

.listimg{float:left; width:260px; height:290px; position:relative; overflow:hidden;}

.listimg img{background:#333; width:260px; height:290px; top:0; left:0; position:absolute;}

.summary{width:260px;height:35px;top:260px;left:0 ;position:absolute;text-align: center;background:url(/cncr/uiFramework/commonResource/image/2017051919423767055.png);}

.summarytxt{margin:5px 10px;width:250px;height:auto;line-height:22px;font-size:14px;color:#FFFFFF;}

.summarytxt p a{color: #FFFFFF;font-size: 14px;font-weight: 600;}
.listinfo{_margin-bottom:3px;width:250px; line-height:22px; font-size:12px;}

.listinfo a{font-size:12px;}

.listtitle{float:left; margin-top:8px; _margin-top:-2px; width:260px; font-size:14px;}

.listtitle a{color: #000000;font-size: 12px;font-weight: bold;}

.listtag{float:left;width:260px;color:#999;}
.listtag a{color: #000000;font-size: 12px;font-weight: bold;}
.tk_jy{float: left; margin-top: 20px;width: 260px;height: 50px;font-size: 14px;text-align: center; display: none;}
.tk_jy a{background: #FF0000;color: #FFFFFF;padding-left: 30px;padding-right: 30px;padding-top: 10px;padding-bottom: 10px;border-radius: 5px;font-size: 16px;}