.video-section {
    background: white;
    border-radius: 15px;
    padding: 25px;
    margin-bottom: 25px;
    box-shadow: 0 8px 25px rgba(0,0,0,0.1);
}

.video-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
}

.video-title {
    font-size: 1.6em;
    color: #495057;
    display: flex;
    align-items: center;
    gap: 10px;
}

.video-container {
    position: relative;
    background: #000;
    border-radius: 12px;
    overflow: hidden;
    margin-bottom: 20px;
}

#videoResult {
    margin-top: 20px;
    padding: 20px;
    background: #f8f9fa;
    border-radius: 8px;
    border: 1px solid #dee2e6;
}

#generatedVideo {
    border-radius: 8px;
    box-shadow: 0 4px 8px rgba(0,0,0,0.1);
    background: #000;
}

.video-loading {
    text-align: center;
    padding: 40px;
    color: #6c757d;
}

#mainVideo {
    width: 100%;
    max-height: 600px;
    display: block;
}

.video-placeholder {
    width: 100%;
    height: 400px;
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    color: #6c757d;
    border: 3px dashed #dee2e6;
    border-radius: 12px;
}

.video-placeholder i {
    font-size: 4em;
    margin-bottom: 20px;
    color: #adb5bd;
}

.video-placeholder-text {
    font-size: 1.2em;
    font-weight: 600;
    margin-bottom: 10px;
}

.video-controls {
    display: flex;
    gap: 12px;
    justify-content: center;
    flex-wrap: wrap;
}

/* PC端视频并排布局 */
.video-content-wrapper {
    display: flex;
    gap: 20px;
    align-items: flex-start;
}

.video-content-wrapper .video-player-container {
    flex: 0 0 55%;
    max-width: 55%;
}

.video-content-wrapper .video-list-container {
    flex: 1;
    max-height: 440px;
    overflow-y: auto;
    background: #f8f9fa;
    border-radius: 8px;
    padding: 12px;
}

/* 响应式：移动端保持上下布局 */
@media (max-width: 900px) {
    .video-content-wrapper {
        flex-direction: column;
    }
    .video-content-wrapper .video-player-container {
        flex: none;
        max-width: 100%;
        width: 100%;
    }
    .video-content-wrapper .video-list-container {
        max-height: 300px;
    }
}