#carousel-product-img {
    opacity: 1;
    transition: opacity 0.7s;
}
#carousel-product-img.fade-in {
    opacity: 1;
}
#carousel-product-img.fade-out {
    opacity: 0;
}
#carousel-dots {
    z-index: 20;
}
.carousel-dot {
    width: 14px;
    height: 14px;
    border-radius: 50%;
    background: #e5e7eb;
    border: none;
    outline: none;
    cursor: pointer;
    transition: background 0.2s, transform 0.2s;
    box-shadow: 0 1px 3px rgba(0,0,0,0.08);
}
.carousel-dot.active {
    background: #3B82F6;
    transform: scale(1.2);
}