message: fix(dark style): comment send area at nologin state
diff: @include back-top-btn();
  }
  }
  +#page-dynamic,
  +.detail-card {
  + .bb-comment {
  + .no-login {
  + .textarea-container {
  + .baffle,
  + .comment-submit {
  + @include background-color("666");
  + }
  + }
  + .comment-emoji {
  + @include background-color("666");
  + }
  + }
  + }
  +}
  