/* 平板设备 */
@media (max-width: 1024px) {
    .container {
        padding: 0 1.5rem;
    }
    
    section {
        padding: 60px 0;
    }
    
    .page-header {
        padding: 140px 0 60px;
    }
    
    .page-header h1 {
        font-size: 2.5rem;
    }
    
    .grid-4 {
        grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    }
}

/* 移动设备 */
@media (max-width: 768px) {
    .container {
        padding: 0 1rem;
    }
    
    section {
        padding: 40px 0;
    }
    
    h1 { font-size: 2rem; }
    h2 { font-size: 1.75rem; }
    h3 { font-size: 1.25rem; }
    
    .page-header {
        padding: 120px 0 40px;
        margin-top: 70px;
    }
    
    .page-header h1 {
        font-size: 2rem;
    }
    
    .page-header p {
        font-size: 1.1rem;
    }
	
    /* logo */
    @media (max-width: 768px) {
        .logo img {
            height: 35px; /* 移动端稍小一些 */
        }
    }
	
    /* 导航栏移动端 */
    .nav-menu {
        position: fixed;
        top: 70px;
        left: -100%;
        width: 100%;
        height: calc(100vh - 70px);
        background: var(--white);
        flex-direction: column;
        justify-content: flex-start;
        align-items: center;
        padding: 2rem 0;
        transition: left 0.3s ease;
        gap: 0;
    }
    
    .nav-menu.active {
        left: 0;
    }
    
    .nav-menu li {
        width: 100%;
        text-align: center;
    }
    
    .nav-link {
        display: block;
        padding: 1rem 0;
        border-bottom: 1px solid var(--light-gray);
        width: 100%;
    }
    
    .hamburger {
        display: flex;
    }
    
    .hamburger.active span:nth-child(1) {
        transform: rotate(45deg) translate(6px, 6px);
    }
    
    .hamburger.active span:nth-child(2) {
        opacity: 0;
    }
    
    .hamburger.active span:nth-child(3) {
        transform: rotate(-45deg) translate(6px, -6px);
    }
    
    /* 网格布局调整 */
    .grid-2,
    .grid-3,
    .grid-4 {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    /* 卡片调整 */
    .card {
        padding: 1.5rem;
    }
    
    /* 标签页调整 */
    .tab-header {
        flex-direction: column;
    }
    
    .tab-btn {
        text-align: left;
        border-bottom: 1px solid var(--medium-gray);
        border-left: 3px solid transparent;
    }
    
    .tab-btn.active {
        border-left-color: var(--primary-blue);
        border-bottom-color: var(--medium-gray);
    }
    
    .tab-content {
        padding: 2rem 1.5rem;
    }
    
    /* 表单调整 */
    .form-row {
        grid-template-columns: 1fr;
    }
    
    /* 页脚调整 */
    .footer-content {
        grid-template-columns: 1fr;
        gap: 2rem;
        text-align: center;
    }
    
    .footer-contact p {
        justify-content: center;
    }
    
    /* 隐藏固定侧边栏 */
    .sidebar {
        display: none;
    }
    
    /* 按钮调整 */
    .btn {
        width: 100%;
        justify-content: center;
    }
}

/* 小屏手机 */
@media (max-width: 480px) {
    .container {
        padding: 0 0.5rem;
    }
    
    section {
        padding: 30px 0;
    }
    
    .page-header {
        padding: 100px 0 30px;
    }
    
    .page-header h1 {
        font-size: 1.75rem;
    }
    
    .card {
        padding: 1rem;
    }
    
    .tab-content {
        padding: 1.5rem 1rem;
    }
    
    .btn {
        padding: 10px 20px;
        font-size: 0.9rem;
    }
}
/* 添加到现有responsive.css文件中 */

/* 移动端轮播图调整 */
@media (max-width: 768px) {
    .hero-slider {
        height: 70vh;
        margin-top: 70px;
    }
    
    .slide-content h1 {
        font-size: 2rem;
    }
    
    .slide-content p {
        font-size: 1.1rem;
    }
    
    .slider-arrow {
        width: 40px;
        height: 40px;
        font-size: 1rem;
    }
    
    .slider-prev {
        left: 10px;
    }
    
    .slider-next {
        right: 10px;
    }
    
    /* 移动端产品悬停网格 */
    .product-hover-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .product-hover-card {
        height: 300px;
    }
    
    /* 移动端下拉菜单 */
    .dropdown-menu {
        position: static;
        opacity: 1;
        visibility: visible;
        transform: none;
        box-shadow: none;
        background: var(--light-gray);
        margin-top: 10px;
        display: none;
    }
    
    .dropdown.active .dropdown-menu {
        display: block;
    }
    
    .nav-link i {
        transition: transform 0.3s ease;
    }
    
    .dropdown.active .nav-link i {
        transform: rotate(180deg);
    }
}