body { 
    font-family: 'Segoe UI', sans-serif; 
    background-color: #111827; 
    color: #e5e7eb; 
}
::-webkit-scrollbar { 
    width: 8px; 
}
::-webkit-scrollbar-track { 
    background: #1f2937; 
}
::-webkit-scrollbar-thumb { 
    background: #4b5563; 
    border-radius: 4px; 
}
.fade-enter-active, .fade-leave-active { 
    transition: opacity 0.5s; 
}
.fade-enter-from, .fade-leave-to { 
    opacity: 0; 
}
/* 讓彈窗內部的滾動條也美觀 */
.custom-scrollbar::-webkit-scrollbar {
    width: 8px;
}
.custom-scrollbar::-webkit-scrollbar-track {
    background: #111827;
}
.custom-scrollbar::-webkit-scrollbar-thumb {
    background: #374151;
    border-radius: 4px;
}