/* 平板设备 */
@media (max-width: 992px) {
    .services-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .footer-content {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .slide-content {
        left: 50px;
        bottom: 50px;
        max-width: 400px;
    }
    
    .slide-content h1 {
        font-size: 2rem;
    }
}

/* 手机设备 */
@media (max-width: 768px) {
    .mobile-menu-toggle {
        display: block;
    }
    
    .nav-menu {
        position: fixed;
        top: 70px;
        left: -100%;
        width: 100%;
        flex-direction: column;
        background: white;
        box-shadow: 0 5px 10px rgba(0,0,0,0.1);
        transition: left 0.3s;
        padding: 20px;
    }
    
    .nav-menu.active {
        left: 0;
    }
    
    .nav-menu li {
        margin: 10px 0;
    }
    
    .services-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
    }
    
    .hero-slider {
        height: 400px;
    }
    
    .slide-content {
        left: 20px;
        right: 20px;
        bottom: 20px;
        padding: 20px;
    }
    
    .section-title {
        font-size: 1.8rem;
    }
    
    .chip-table {
        display: block;
        overflow-x: auto;
    }
}

/* 小屏幕手机 */
@media (max-width: 480px) {
    .container {
        padding: 0 15px;
    }
    
    .gallery-grid {
        grid-template-columns: 1fr;
    }
    
    .logo-text {
        font-size: 1.2rem;
    }
}