@charset "utf-8";
/* accessibility.css · 键盘焦点、跳过导航、辅助阅读和减少动态效果 */

:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
  border-radius: 2px;
}

:focus:not(:focus-visible) {
  outline: none;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  clip-path: inset(50%);
  white-space: nowrap;
  border: 0;
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
}

.skip-link {
  position: fixed;
  inset-block-start: var(--s-3);
  inset-inline-start: var(--s-3);
  z-index: 300;
  display: inline-block;
  padding: 10px 18px;
  border-radius: var(--radius);
  background: var(--accent-solid);
  color: #ffffff;
  font-size: 13px;
  font-weight: 600;
  transform: translateY(-160%);
  transition: transform 0.22s var(--ease);
}

.skip-link:focus-visible {
  transform: translateY(0);
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    animation-delay: 0ms !important;
    transition-duration: 0.01ms !important;
    transition-delay: 0ms !important;
  }
}