.sy-btn{align-items:center;cursor:pointer;display:flex}.sy-btn .common-arrow{align-items:center;display:flex;height:20px;line-height:1;margin-left:10px;overflow:hidden;position:relative;width:20px}.sy-btn:hover .common-arrow .show-icon{left:18px;transition:left .3s ease-in-out}.sy-btn:hover .common-arrow .hide-icon{left:0;opacity:1;transition:left .3s ease-in-out}