/* 讲师卡片样式 */
        .teacher-card {
            background: white;
            border-radius: 12px;
            padding: 30px;
            box-shadow: 0 10px 25px rgba(0, 0, 0, 0.08);
            transition: all 0.3s;
            height: 100%;
            text-align: center;
            position: relative;
            overflow: hidden;
        }
        
        .teacher-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 15px 35px rgba(0, 0, 0, 0.12);
        }
        
        .teacher-badge {
            position: absolute;
            top: 20px;
            right: 20px;
            background: var(--accent);
            color: white;
            padding: 5px 15px;
            border-radius: 20px;
            font-size: 14px;
            font-weight: 600;
        }
        
        .teacher-img {
            width: 160px;
            height: 160px;
            border-radius: 50%;
            object-fit: cover;
            margin: 0 auto 20px;
            border: 5px solid var(--light);
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
        }
        
        .teacher-name {
            color: var(--primary);
            margin-bottom: 10px;
        }
        
        .teacher-title {
            color: #64748b;
            margin-bottom: 15px;
            font-weight: 500;
        }
        
        .teacher-stats {
            display: flex;
            justify-content: center;
            margin: 20px 0;
        }
        
        .stat-item {
            padding: 0 15px;
            border-right: 1px solid #e2e8f0;
        }
        
        .stat-item:last-child {
            border-right: none;
        }
        
        .stat-number {
            font-size: 1.5rem;
            font-weight: 700;
            color: var(--primary);
        }
        
        .stat-label {
            font-size: 0.9rem;
            color: #64748b;
        }
        
        /* 教学特色样式 */
        .feature-item {
            text-align: center;
            padding: 30px 20px;
            border-radius: 12px;
            background: white;
            box-shadow: 0 10px 25px rgba(0, 0, 0, 0.08);
            transition: all 0.3s;
            height: 100%;
        }
        
        .feature-item:hover {
            transform: translateY(-5px);
            box-shadow: 0 15px 35px rgba(0, 0, 0, 0.12);
        }
        
        .feature-icon {
            font-size: 50px;
            color: var(--primary);
            margin-bottom: 20px;
        }
        
        /* 时间轴样式 */
        .timeline {
            position: relative;
            padding: 40px 0;
        }
        
        .timeline:before {
            content: '';
            position: absolute;
            left: 50%;
            top: 0;
            width: 4px;
            height: 100%;
            background: var(--primary);
            transform: translateX(-50%);
        }
        
        .timeline-item {
            position: relative;
            margin-bottom: 50px;
            width: 50%;
            padding-right: 40px;
        }
        
        .timeline-item:nth-child(even) {
            left: 50%;
            padding-left: 40px;
            padding-right: 0;
        }
        
        .timeline-content {
            background: white;
            padding: 25px;
            border-radius: 12px;
            box-shadow: 0 10px 25px rgba(0, 0, 0, 0.08);
            position: relative;
        }
        
        .timeline-content:after {
            content: '';
            position: absolute;
            top: 30px;
            right: -10px;
            width: 20px;
            height: 20px;
            background: white;
            transform: rotate(45deg);
        }
        
        .timeline-item:nth-child(even) .timeline-content:after {
            right: auto;
            left: -10px;
        }
        
        .timeline-dot {
            position: absolute;
            top: 30px;
            right: -13px;
            width: 26px;
            height: 26px;
            background: var(--primary);
            border-radius: 50%;
            z-index: 1;
        }
        
        .timeline-item:nth-child(even) .timeline-dot {
            right: auto;
            left: -13px;
        }
        
        .timeline-date {
            font-weight: 600;
            color: var(--primary);
            margin-bottom: 5px;
        }
        
        /* 证书展示样式 */
        .certificate-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
            gap: 20px;
            margin: 30px 0;
        }
        
        .certificate-item {
            background: white;
            border-radius: 8px;
            padding: 15px;
            text-align: center;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.06);
            transition: all 0.3s;
        }
        
        .certificate-item:hover {
            transform: translateY(-3px);
            box-shadow: 0 8px 20px rgba(0, 0, 0, 0.1);
        }
        
        .certificate-icon {
            font-size: 40px;
            color: var(--primary);
            margin-bottom: 10px;
        }
        
        /* 响应式调整 */
        @media (max-width: 992px) {
            .timeline:before {
                left: 30px;
            }
            
            .timeline-item {
                width: 100%;
                padding-left: 70px;
                padding-right: 0;
            }
            
            .timeline-item:nth-child(even) {
                left: 0;
                padding-left: 70px;
            }
            
            .timeline-content:after {
                right: auto;
                left: -10px;
            }
            
            .timeline-dot {
                right: auto;
                left: 17px;
            }
            
            .timeline-item:nth-child(even) .timeline-dot {
                left: 17px;
            }
        }
        
        /* 教学理念样式 */
        .philosophy-card {
            background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
            color: white;
            border-radius: 15px;
            padding: 40px;
            margin: 40px 0;
        }
        
        /* 学员评价样式 */
        .testimonial-card {
            background: white;
            border-radius: 12px;
            padding: 25px;
            box-shadow: 0 10px 25px rgba(0, 0, 0, 0.08);
            margin-bottom: 30px;
            position: relative;
        }
        
        .testimonial-card:before {
            content: '"';
            position: absolute;
            top: 15px;
            left: 15px;
            font-size: 60px;
            color: var(--light);
            font-family: Georgia, serif;
        }
        
        .testimonial-content {
            padding-left: 40px;
            position: relative;
            z-index: 1;
        }
        
        .testimonial-author {
            display: flex;
            align-items: center;
            margin-top: 20px;
        }
        
        .testimonial-avatar {
            width: 50px;
            height: 50px;
            border-radius: 50%;
            object-fit: cover;
            margin-right: 15px;
        }
        
        .testimonial-info h5 {
            margin-bottom: 5px;
        }
        
        .testimonial-info p {
            color: #64748b;
            margin: 0;
            font-size: 0.9rem;
        }
        
        /* 评级星星样式 */
        .rating {
            color: #f59e0b;
            margin-bottom: 15px;
        }