.category-container {
    margin-top: 20px;
}

.category-header {
    background: linear-gradient(135deg, #4ecdc4 0%, #44a08d 100%);
    color: #fff;
    padding: 30px;
    border-radius: 12px;
    margin-bottom: 20px;
}

.category-header h1 {
    font-size: 28px;
    font-weight: 700;
    margin-bottom: 10px;
}

.category-desc {
    font-size: 16px;
    opacity: 0.9;
}

.video-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
}

.video-card {
    background: #fff;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 4px 12px rgba(0,0,0,0.08);
    transition: all 0.3s ease;
}

.video-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(0,0,0,0.15);
}

.video-card-image {
    position: relative;
    height: 160px;
    overflow: hidden;
}

.video-card-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.video-card:hover .video-card-image img {
    transform: scale(1.05);
}

.video-card-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0,0,0,0.3);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.video-card:hover .video-card-overlay {
    opacity: 1;
}

.video-card-play {
    background: rgba(255,255,255,0.9);
    border-radius: 50%;
    padding: 12px;
    cursor: pointer;
}

.video-card-play img {
    width: 20px;
    height: 20px;
}

.video-card-tag {
    position: absolute;
    top: 10px;
    left: 10px;
    background: #4ecdc4;
    color: #fff;
    padding: 4px 10px;
    border-radius: 4px;
    font-size: 11px;
    font-weight: 600;
}

.video-card-info {
    padding: 12px;
}

.video-card-title {
    font-size: 14px;
    font-weight: 600;
    color: #333;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    margin-bottom: 8px;
}

.video-card-meta {
    display: flex;
    justify-content: space-between;
    font-size: 12px;
    color: #999;
}

/* 分页 */
.pagination {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 10px;
    margin-top: 40px;
    flex-wrap: wrap;
}

.page-btn {
    background: #fff;
    border: 1px solid #ddd;
    padding: 10px 20px;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.3s ease;
    text-decoration: none;
    color: #333;
}

.page-btn:hover:not(.disabled) {
    background: #4ecdc4;
    border-color: #4ecdc4;
    color: #fff;
}

.page-btn.disabled {
    opacity: 0.5;
    cursor: not-allowed;
    color: #999;
}

.page-current {
    background: #4ecdc4;
    color: #fff;
    padding: 10px 15px;
    border-radius: 8px;
    font-weight: 600;
}

.page-ellipsis {
    padding: 10px 5px;
    color: #999;
}

/* 响应式设计 */
@media (max-width: 1024px) {
    .video-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (max-width: 768px) {
    .video-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 15px;
    }
    
    .video-card-image {
        height: 140px;
    }
    
    .category-header h1 {
        font-size: 24px;
    }
}

@media (max-width: 480px) {
    .video-grid {
        grid-template-columns: 1fr;
    }
    
    .video-card-image {
        height: 180px;
    }
    
    .pagination {
        flex-wrap: wrap;
    }
    
    .page-btn {
        padding: 8px 15px;
    }
}