.transition{
    position: relative;
    width: 100%;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
}

.transition-image{
    width: 100%;
    height: auto;
    display: block;
    object-fit: cover;
}

.transition-center{
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: auto;
    height: auto;
    max-width: 80%;
    max-height: 80%;
    z-index: 2;
    object-fit: contain;
    opacity: 0;
    transition: opacity 0.8s ease;
}

.transition-center.fade-in{
    opacity: 1;
}

/* 響應式設計 */
@media (max-width: 768px){
    .transition{
        min-height: auto;
    }
}

@media (max-width: 480px){
    .transition{
        min-height: auto;
    }
}