/* yanxin:im-perf-hotpatch — stabilize session list + message scroll on IM enter/switch */
.im-shell.im-shell--list-boot .im-session .im-scroll,
.im-shell.im-shell--list-boot .im-pc-list-pane .im-scroll {
  overflow: hidden !important;
}

.im-shell.im-shell--list-boot .im-sess-item.yx-im-ai-hidden {
  display: none !important;
}

.im-msg-scroll.im-msg-scroll--yx-boot {
  opacity: 0 !important;
  pointer-events: none !important;
}

.im-msg-scroll:not(.im-msg-scroll--yx-boot) {
  transition: opacity 0.12s ease;
}

.im-shell--list-boot .im-pc-list-pane,
.im-shell--list-boot .im-session.im-glass {
  transition: none;
}