/* 案例卡片样式 */
        .case-card {
            border: none;
            border-radius: 15px;
            overflow: hidden;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
            transition: all 0.3s ease;
            height: 100%;
            background: white;
        }
        
        .case-card:hover {
            transform: translateY(-10px);
            box-shadow: 0 20px 40px rgba(0, 0, 0, 0.12);
        }
        
        .case-img {
            height: 220px;
            overflow: hidden;
            position: relative;
        }
        
        .case-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }
        
        .case-card:hover .case-img img {
            transform: scale(1.05);
        }
        
        .case-tag {
            position: absolute;
            top: 15px;
            left: 15px;
            background: var(--anqie-accent);
            color: white;
            padding: 5px 15px;
            border-radius: 30px;
            font-size: 0.85rem;
            font-weight: 600;
            z-index: 2;
        }
        
        .case-info {
            padding: 25px;
        }
        
        .case-info h4 {
            font-size: 1.3rem;
            font-weight: 700;
            margin-bottom: 10px;
            color: #222;
        }
        
        .case-info p {
            color: #666;
            margin-bottom: 15px;
            line-height: 1.6;
        }
        
        .case-stats {
            display: flex;
            justify-content: space-between;
            margin-top: 20px;
            padding-top: 20px;
            border-top: 1px solid #eee;
        }
        
        .stat-item {
            text-align: center;
        }
        
        .stat-number {
            font-size: 1.5rem;
            font-weight: 700;
            color: var(--anqie-primary);
            line-height: 1;
        }
        
        .stat-label {
            font-size: 0.8rem;
            color: #666;
            margin-top: 5px;
        }

        /* 筛选按钮 */
        .filter-btn {
            background: white;
            border: 2px solid var(--anqie-primary);
            color: var(--anqie-primary);
            border-radius: 30px;
            padding: 8px 25px;
            font-weight: 600;
            transition: 0.3s;
            margin: 0 5px 10px;
            cursor: pointer;
        }
        .filter-btn:hover, .filter-btn.active {
            background: var(--anqie-primary);
            color: white;
        }

        /* 评价卡片 */
        .testimonial-card {
            background: white;
            border-radius: 15px;
            padding: 30px;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
            transition: all 0.3s ease;
            height: 100%;
            border-left: 5px solid var(--anqie-accent);
        }
        .testimonial-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 20px 40px rgba(0, 0, 0, 0.12);
        }
        .testimonial-card i {
            font-size: 2rem;
            color: var(--anqie-primary);
            margin-bottom: 15px;
        }
        .testimonial-card p {
            font-style: italic;
            margin-bottom: 15px;
        }
        .testimonial-author {
            font-weight: 700;
            color: var(--anqie-primary);
        }