/* 响应式设计增强 */

/* 平板设备 (768px - 991px) */
@media (min-width: 768px) and (max-width: 991px) {
    .hero h1 {
        font-size: 36px;
    }
    
    .hero p {
        font-size: 16px;
    }
    
    .advantage-cards {
        flex-direction: column;
    }
    
    .advantage-card {
        margin: 15px 0;
    }
    
    .feature-tabs {
        flex-wrap: wrap;
    }
    
    .feature-tab {
        flex: 0 0 48%;
        margin-bottom: 30px;
    }
    
    .industry-icon {
        width: 100px;
        margin: 10px;
    }
}

/* 手机设备 (小于 767px) */
@media (max-width: 767px) {
    .hero {
        padding: 60px 0;
    }
    
    .hero h1 {
        font-size: 30px;
    }
    
    .hero p {
        font-size: 14px;
    }
    
    .section-title {
        font-size: 24px;
    }
    
    .section-subtitle {
        font-size: 14px;
    }
    
    .advantage-card {
        padding: 20px;
    }
    
    .advantage-card .icon {
        width: 50px;
        height: 50px;
    }
    
    .advantage-card .icon i {
        font-size: 20px;
    }
    
    .advantage-card h3 {
        font-size: 18px;
    }
    
    .feature-tab {
        flex: 0 0 100%;
    }
    
    .industry-icon {
        width: 80px;
        margin: 8px;
    }
    
    .industry-icon i {
        font-size: 28px;
    }
    
    .cta h2 {
        font-size: 22px;
    }
    
    .footer-links {
        flex-direction: column;
    }
    
    .link-group {
        margin-right: 0;
        margin-bottom: 30px;
    }
}

/* 小型手机设备 (小于 480px) */
@media (max-width: 480px) {
    .hero h1 {
        font-size: 26px;
    }
    
    .features {
        flex-direction: column;
        align-items: flex-start;
    }
    
    .feature {
        margin-bottom: 10px;
    }
    
    .stat-item h2 {
        font-size: 32px;
    }
    
    .industry-icons {
        justify-content: space-between;
    }
    
    .industry-icon {
        width: 70px;
        margin: 5px;
    }
}