/* 公司优势区域 */
        .features {
            padding: 80px 0;
            background-color: white;
        }
        
        .feature-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 30px;
        }
        
        .feature-card {
            text-align: center;
            padding: 30px 20px;
            background-color: var(--light);
            border-radius: 10px;
        }
        
        .feature-icon {
            font-size: 2.5rem;
            color: var(--primary);
            margin-bottom: 20px;
        }