/* 只淡出旧页快照，新页面从首帧就能点击；无 JS 或不支持事件时不捕获元素。 */
@media (prefers-reduced-motion: no-preference) {
  @view-transition {
    navigation: auto;
  }
  :root {
    view-transition-name: none;
  }
  :root.sg-navigation-ready:not(.sg-navigation-live) {
    view-transition-name: root;
  }
  .sg-navigation-ready:not(.sg-navigation-live) .sg-brand-shell .sg-nav {
    view-transition-name: sg-navigation;
  }
  ::view-transition-group(root),
  ::view-transition-group(sg-navigation),
  ::view-transition-old(root),
  ::view-transition-old(sg-navigation) {
    animation-duration: 200ms;
    animation-timing-function: ease-out;
  }
  ::view-transition {
    pointer-events: none;
  }
}