style.css

:root {
  --fg-light: #888;
  --fg: #555;
}

html.dark {
  --fg-light: #888;
  --fg: #bbb;
}

.rspress-mention-link {
  display: inline-flex;
  align-items: center;
  background: #8882;
  transform: translateY(3px);
  line-height: 100%;
  color: var(--fg-light) !important;
  gap: 0.25rem;
  border-width: 0px !important;
  border-radius: 0.25rem;
  padding: 0.25rem 0.375rem;
  transition-property: color, background-color, border-color, outline-color, text-decoration-color,
    fill, stroke, opacity, box-shadow, transform, filter, backdrop-filter;
  transition-timing-function: cubic-bezier(0.4, 0, 0.2, 1);
  transition-duration: 0.15s;
  text-decoration: none !important;
  margin: 0 0.25rem;
}

.rspress-mention-link:hover {
  background: #8883;
  color: var(--fg) !important;
}

.rspress-mention-link-image {
  display: inline-block;
  height: 1.1em;
  width: 1.1em;
  background-size: cover;
  background-repeat: no-repeat;
  background-position: center;
  border-radius: 2px;
}

.rspress-mention-link.rspress-mention-link-github-at {
  transform: translateY(6px);
  gap: 0.3rem;
  border-radius: 9999px;
  padding-top: 0;
  padding-bottom: 0;
  padding-left: 0;
  padding-right: 0.5rem;
  font-size: 0.875rem;
  line-height: 1.25rem;
  text-transform: uppercase;
}

.rspress-mention-link.rspress-mention-link-github-at .rspress-mention-link-image {
  height: 1.6em;
  width: 1.6em;
  border-radius: 50%;
}

.rspress-mention-link {
  overflow: hidden;
}

.rspress-mention-link::before {
  content: '';
  position: absolute;
  left: -110%;
  top: 0;
  width: 100%;
  height: 100%;
  background-image: linear-gradient(
    90deg,
    rgba(255, 255, 255, 0),
    rgba(255, 255, 255, 0.5),
    rgba(255, 255, 255, 0)
  );
}

.rspress-mention-link:hover {
  &::before {
    left: 110%;
    transition: all 0.8s;
  }
}