#story-index{width:700px;margin:0 auto;margin-top:8%}#story-index .si-main-ul{display:flex}#story-index .si-main-li{border-radius:4px;width:350px;height:200px;margin-right:6px;margin-bottom:6px;cursor:pointer;z-index:999;background-size:100% 100%;background-repeat:no-repeat}#story-index .si-main-li:hover{box-shadow:0 0 10px 0 #fff}#story-index .sim-box{width:100%;height:100%;z-index:99;position:relative}#story-index .type-img-main{width:48.5%;height:180px;float:left;margin:5px}#story-index .type-img{width:100%;height:100%;border-radius:2px;cursor:pointer}#story-index .type-img:hover{box-shadow:0 0 10px 0 #fff}