.promotion-carousel {
    width: 100%;
    margin: auto;
}

.promotion-carousel .item img {
    width: 100%;
    height: auto;
}

.promotion-caption {
    position: absolute;
    width: 50%;
    top: 80%;
    left: 50%;
    transform: translate(-50%, -50%);
    /* background: rgba(0, 0, 0, 0.5);
    color: #fff; */
    padding: 15px 15px;
    border-radius: 5px;
    text-align: center;
    white-space: nowrap;
}

/* ปรับขนาดตัวอักษร */
.promotion-caption h2 {
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.7);
    font-size: 35px;
    font-weight: bold;
    color: #fff;
}

.promotion-caption p {
    font-size: 16px;
    color: #ddd;
}