body { background:#fff; }
nav { border-top: 1px solid #e1e1e1;}
/*首屏*/
.con_ban {background:#f8f8f8; padding: 30px 0;}
.ban_l { width: 830px; padding: 20px; }
/*热门推荐*/
.ban_hot { width: 280px; height: 362px; overflow: hidden; }
.lb_1:nth-child(6) { margin-top: 30px; }
/*最新推荐*/
.ban_news { width: 270px; padding: 20px; height: 432px; overflow: hidden;  }
.ban_news .lb_2 { margin-bottom: 7px; }
/*专题*/
.ban_zt .zt_a { margin-left: 20px; display: block; border-radius: 10px; }
.ban_zt .zt_a:first-child { margin-left: 0; }
.ban_zt .zt_a img { width: 285px; height: 149px; border-radius: 10px; }