body { font-family: "Noto Sans TC", sans-serif; background-color: #FBFBFC; }

/* 無障礙：確保鍵盤焦點清晰可見（不移除瀏覽器預設焦點樣式，只加強對比與辨識度）。 */
a:focus-visible,
button:focus-visible,
input:focus-visible,
select:focus-visible,
[tabindex]:focus-visible {
    outline: 3px solid #00528F;
    outline-offset: 2px;
}
.loading-spinner { animation: spin 1s linear infinite; }
@keyframes spin { from { transform: rotate(0deg); } to { transform: rotate(360deg); } }
.fade-in { animation: fadeIn 0.3s ease-in-out; }
@keyframes fadeIn { from { opacity: 0; transform: translateY(5px); } to { opacity: 1; transform: translateY(0); } }