/* Internal readers consume overflow before the outer section changes. */
#wechat .wv-analysis,
#rednote .rn-account-copy,
#rednote .rn-case-copy {
  min-height:0;
  overflow-y:auto;
  overscroll-behavior:contain;
  scrollbar-width:thin;
}
#rednote .rn-featured {overflow-y:auto;overscroll-behavior:contain;scrollbar-width:thin;}