/* 隐藏所有数字输入框微调按钮 */
input[type="number"]::-webkit-inner-spin-button,
input[type="number"]::-webkit-outer-spin-button {
  -webkit-appearance: none;
  margin: 0;
}
input[type="number"] {
  -moz-appearance: textfield;
}

/* ===== 无障碍回退 ===== */
/* 减少透明度偏好 → 关闭毛玻璃效果 */
@media (prefers-reduced-transparency: reduce) {
  .nav, .card, .section, .table-wrap, .summary-card, .modal-overlay {
    backdrop-filter: none !important;
    -webkit-backdrop-filter: none !important;
  }
  .nav { background: rgba(245,246,248,0.98) !important; }
  .card, .section, .table-wrap, .summary-card { background: rgba(255,255,255,0.98) !important; }
  .modal-overlay { background: rgba(0,0,0,0.6) !important; }
}

/* 减少动效偏好 */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}