message: fix(theme): fix sidebar highlight color
diff: +@use "sass:color";
  @use "@mr-hope/vuepress-shared/styles/arrow";
  +@use "@sass-palette/helper";
  $headings: (3, 4, 5, 6);
  @@ -70,7 +72,10 @@ a.sidebar-link {
  &.active {
  border-left-color: var(--theme-color);
  - background-color: var(--theme-color-a15);
  + background-color: color.change(
  + helper.get-color(hope-config.$themeColor),
  + $alpha: 0.15
  + );
  color: var(--theme-color);
  font-weight: 500;
  