/* 分类标签 */
.category-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    margin-bottom: 2rem;
}

.category-tag {
    padding: 0.6rem 1.2rem;
    background: white;
    border-radius: 50px;
    box-shadow: 0 3px 10px rgba(0, 0, 0, 0.08);
    cursor: pointer;
    transition: all 0.3s ease;
}

.category-tag.active, .category-tag:hover {
    background: var(--gradient);
    color: white;
}

/* 工作流网格 */
.workflow-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.5rem;
}

.workflow-card {
    background: white;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
}

.workflow-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.15);
}

.workflow-video {
    position: relative;
    height: 180px;
    overflow: hidden;
    background: #f1f2f6;
}

.workflow-video video {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: none;
}

.workflow-video img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.workflow-card:hover .workflow-video img {
    display: none;
}

.workflow-card:hover .workflow-video video {
    display: block;
}

.workflow-info {
    padding: 1rem;
}

.workflow-title {
    font-size: 1.1rem;
    margin-bottom: 0.5rem;
    color: var(--primary);
}

.workflow-author {
    font-size: 0.9rem;
    color: #666;
}

.workflow-price {
    margin-top: 0.5rem;
    font-weight: 600;
    color: var(--secondary);
}