article .news .main{border-bottom:1px solid #efefef}article .news .main .news_menu{width:25.7%}@media only all and (max-width: 768px){article .news .main .news_menu{width:50%}}article .news .main .news_menu li{width:50%}article .news .main .content>a{float:left;width:30%;margin-right:4.6%;display:block}@media only all and (max-width: 414px){article .news .main .content>a{float:none;width:100%;margin-right:0}}article .news .main .content>a .inner_t{position:relative;color:#fff}article .news .main .content>a .inner_t>img{width:100%}article .news .main .content>a .inner_t>div{position:absolute;top:0;left:0;width:100%;height:100%;background:rgba(0,0,0,0.7);opacity:0;transition:1s all}article .news .main .content>a .inner_t>div span{position:absolute;top:50%;left:50%;margin-top:-8px;margin-left:-8px}article .news .main .content>a .inner_b{margin:30px 0;color:#333}article .news .main .content>a .inner_b>p{line-height:2}article .news .main .content>a:nth-child(3n){margin-right:0}article .news .main .content>a:hover .inner_t>div{opacity:1}