/* 视频列表样式 */
.video-gallery {
    padding: 4rem 0;
    background: var(--primary-color-10);
}

.video-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    padding: 0 1.5rem;
}

.video-item {
    background: #fff;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 4px 12px rgba(0,0,0,0.1);
    transition: transform 0.3s ease;
}

.video-item:hover {
    transform: translateY(-5px);
}

.video-thumbnail {
    position: relative;
    padding-top: 56.25%; /* 16:9比例 */
    cursor: pointer;
}

.video-thumbnail img {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.play-button {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 60px;
    height: 60px;
    background: rgba(255,255,255,0.9);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.play-button svg {
    width: 30px;
    height: 30px;
    fill: var(--primary-color);
}

.video-title {
    padding: 1.5rem;
    font-size: 1.1rem;
    color: var(--primary-color);
    text-align: center;
}

/* 视频模态框 */
.video-modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0,0,0,0.8);
    z-index: 1000;
}

.modal-content {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 90%;
    max-width: 800px;
}

.modal-content video {
    width: 100%;
    border-radius: 8px;
}

.close-modal {
    position: absolute;
    top: -40px;
    right: 0;
    color: #fff;
    font-size: 2rem;
    cursor: pointer;
}

@media (max-width: 768px) {
    .video-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .video-title {
        padding: 1rem;
        font-size: 1rem;
    }
    
    .play-button {
        width: 50px;
        height: 50px;
    }
    
    .play-button svg {
        width: 25px;
        height: 25px;
    }
}

