/* 僅過渡顏色與輕微按壓；不放大照片、不持續晃動裝飾或聯絡按鈕。 */
.ux-button,
.ux-text-link,
.site-header-links > a,
.site-header .header-book,
.treat,
#dental-journal .knowledge-more-link {
  transition:background-color 180ms ease,border-color 180ms ease,color 180ms ease,box-shadow 180ms ease,scale 150ms ease;
}
.ux-button:active,
.site-header .header-book:active,
.treat:active,
#dental-journal .knowledge-more-link:active { scale:.985; }
.ux-guide-links .ux-button:focus-visible { background:#dcead4; }
/* 避免橫滑診療卡時，手指按住的卡片又縮小一次。 */
@media (max-width:767px) {
  .treat-list .treat:active { scale:none; }
}
/* 裝置要求減少動態時，新增回饋和既有快捷鈕的平滑回頂端都尊重此偏好。 */
@media(prefers-reduced-motion:reduce) {
  .ux-button,.ux-text-link,.site-header-links > a,.site-header .header-book,
  .treat,#dental-journal .knowledge-more-link { transition:none; }
  .ux-button:active,.site-header .header-book:active,.treat:active,
  #dental-journal .knowledge-more-link:active { scale:none; }
}