/* 平板设备 */
@media screen and (max-width: 1199px) {
    .grid-container {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* 手机设备 */
@media screen and (max-width: 767px) {
    .nav-links {
        display: none;
    }
    
    .mobile-menu-btn {
        display: block;
    }
    
    .grid-container {
        grid-template-columns: 1fr;
    }
    
    .hero-slider {
        height: 60vh;
    }
}