message: fix(copy-code2): fix hint text color
diff: @@ -103,6 +103,7 @@ div[class*="language-"] {
  border-radius: 0.5rem;
  background: var(--code-hl-bg-color, rgb(0 0 0 / 66%));
  + color: var(--code-ln-color, #9e9e9e);
  font-weight: 500;
  line-height: 1.25rem;
  