#outboxList:before { content: '消息发送记录 · 原文保留，确认同步后收起'; }
#outboxList { max-height: 180px; overflow-y: auto; }
#outboxList .hx-unsent { flex-wrap: wrap; }
#outboxList .hx-unsent > span { min-width: 0; overflow-wrap: anywhere; }
#outboxList .hx-unsent > small { flex-basis: 100%; font-size: 12px; opacity: .8; }