/* SCROLL_NAV_AUTO_HIDE_V20260624
   前台公共交互：下滑隐藏顶部/底部导航，上滑立即恢复。
   使用 CSS translate，不覆盖各站原有 transform、位置、颜色或尺寸。 */
.scroll-nav-auto-hide-target{
  will-change:translate,opacity;
  transition:translate .26s cubic-bezier(.22,.61,.36,1),opacity .18s ease !important;
}
.scroll-nav-auto-hide-target.scroll-nav-auto-hide-hidden{
  opacity:0 !important;
  pointer-events:none !important;
}
.scroll-nav-auto-hide-top.scroll-nav-auto-hide-hidden{
  translate:0 calc(-100% - 14px) !important;
}
.scroll-nav-auto-hide-bottom.scroll-nav-auto-hide-hidden{
  translate:0 calc(100% + 14px) !important;
}
.scroll-nav-auto-hide-side.scroll-nav-auto-hide-hidden{
  translate:calc(100% + 14px) 0 !important;
}
@media (prefers-reduced-motion:reduce){
  .scroll-nav-auto-hide-target{transition:none !important;}
}