.image-row {
    display: flex;
    justify-content: space-between;
    gap: 16px; /* 添加一些间距 */
}

.image-row img {
    width: 32%; /* 自动宽度 */
    height: auto;
}

.video-item {
    background: white;
    border-radius: 8px;
    padding: 15px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
    text-align: center;
    margin: 20px 0;
}

.video-legend {
    color: gray;
    font-style: italic;
    font-size: 16px;
    margin-bottom: 5px;
}

.responsive-video {
    width: 100%;
    height: auto;
    max-width: 480px;
}