.image-container {
    position: relative;
    display: flex;
    justify-content: center;
}

.image-container::after {
    content: "裁剪后的封面";
    position: absolute;
    bottom: 50%;
    left: 39%;
    color: white;
    background-color: rgba(0, 0, 0);
    padding: 5px;
    display: none;
    font-size: 35px;
}

.image-container:hover::after {
    display: block;
}