.real-message-tree{width:256px;height:100%;padding:24px 16px;-webkit-box-sizing:border-box;box-sizing:border-box;border-right:1px solid rgba(32,32,32,.08);overflow-x:hidden;overflow:overlay}.real-message-tree .content{overflow:hidden}.real-message-tree .content .item{height:48px;display:-webkit-box;display:-ms-flexbox;display:flex;-webkit-box-align:center;-ms-flex-align:center;align-items:center;cursor:pointer;border-radius:4px;padding-left:43px;position:relative;font-size:14px;font-weight:400;color:initial}.real-message-tree .content .item .pic{margin-right:18px;width:16px;height:16px}.real-message-tree .content .item:hover{background-color:rgba(32,32,32,.04)}.real-message-tree .content .item:active{background-color:rgba(32,32,32,.08)}.real-message-tree .content .item .arrow{color:rgba(32,32,32,.24);position:absolute;left:12px;top:50%;-webkit-transform:translateY(-50%);transform:translateY(-50%)}.real-message-tree .content .item .arrow i{-webkit-transition:all .3s;transition:all .3s}.real-message-tree .content .item .count{height:20px;padding:0 6px;text-align:center;line-height:20px;background:-webkit-gradient(linear,right top,left top,from(#6b97cf),to(#456fb3));background:linear-gradient(270deg,#6b97cf,#456fb3);border-radius:10px;font-size:12px;color:#fff;position:absolute;top:50%;-webkit-transform:translateY(-50%);transform:translateY(-50%);right:24px;-ms-flex-negative:0;flex-shrink:0;min-width:20px;-webkit-box-sizing:border-box;box-sizing:border-box}.real-message-tree .content .item.active{background-color:rgba(32,32,32,.08)}.real-message-tree .content .item.parent{font-size:16px}.real-message-tree .content .item.parent i{line-height:1}