.acv-topic-detail-message-list{position:relative;display:flex;box-sizing:border-box;flex-direction:column;width:100%;height:100%;min-height:0;overflow:hidden}.acv-topic-detail-message-list__scroll-box{display:flex;box-sizing:border-box;flex-direction:column;width:100%;min-height:0;padding:16px;overflow-y:auto;scrollbar-width:none}.acv-topic-detail-message-list__scroll-box::-webkit-scrollbar{display:none}.acv-topic-detail-message-list__scroll-box--autoscroll{flex-direction:column-reverse}.acv-topic-detail-message-list__scrollbar{flex:1 1 auto;min-height:0}.acv-topic-detail-message-list__content{display:flex;box-sizing:border-box;flex:0 0 auto;flex-direction:column;align-items:stretch;align-self:stretch;width:100%}.acv-topic-detail-message-list__content--autoscroll{flex-direction:column-reverse;justify-content:flex-end;min-height:100%}.acv-topic-detail-message-list__item{flex:0 0 auto;width:100%;margin:12px 0}.acv-topic-detail-message-list__loading-icon{width:16px;height:16px;color:var(--text-color-placeholder, #9da3ac);animation:acv-topic-detail-message-list-spin 1s linear infinite}.acv-topic-detail-message-list__loading-icon--runtime{width:24px;height:24px;color:var(--text-color-primary, #1f2329)}.acv-topic-detail-message-list__state{display:flex;box-sizing:border-box;flex:0 0 auto;align-items:center;justify-content:center;width:100%;min-height:180px;padding:24px;font-size:var(--font-size-100, 14px);line-height:20px;color:var(--text-color-secondary, #6b7280)}.acv-topic-detail-message-list__state--loading{flex:1 1 auto;align-self:stretch;height:100%;min-height:100%;padding:0}.acv-topic-detail-message-list__back-to-bottom{position:absolute;bottom:12px;left:50%;z-index:5;min-width:32px;max-height:32px;color:var(--text-color-primary, #222529);background:var(--background-color-overlay-regular, #fff);border-color:var(--background-color-overlay-regular, #fff);box-shadow:0 0 .5px #00000026,0 0 20px #00000005;transform:translate(-50%)}.acv-topic-detail-message-list__back-to-bottom:hover{background:var(--background-color-overlay-regular, #fff);border-color:var(--background-color-overlay-regular, #fff)}.acv-topic-detail-message-list__back-to-bottom-icon{width:20px;height:20px;color:currentcolor}@keyframes acv-topic-detail-message-list-spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}