@media (max-width: 768px) {
    *{
        text-decoration: none;
    }

    body{
        padding: 0;
        margin: 0;
        background-color: #fff;
    }

    .mobile-menu{
        display: block;
    }
    .mobile-header{
        display: block;
    }

    /* 隐藏桌面版导航栏 */
    .desktop-header {
        display: none;
    }
    
    /* 手机版导航栏样式 */
    .select{
        color: #fff;
        border-bottom: 3px solid #4a90e2;
        margin-bottom: 0;
        padding: 0 3px 5px 5px;
    }
    .mobile-header {
        position: fixed;
        top: 0;
        left: 0;
        width: 100%;
        background: #fff;
        border-bottom: 1px solid #e0e0e0;
        z-index: 1000;
        padding: 16px 20px;
        display: flex;
        align-items: center;
        justify-content: space-between;
        box-shadow: 0 1px 3px rgba(0,0,0,0.1);
    }
    
    .mobile-nav {
        width: 100%;
        display: flex;
        align-items: center;
        justify-content: space-between;
    }
    
    .close-btn {
        background: none;
        border: none;
        font-size: 20px;
        color: #333;
        cursor: pointer;
        padding: 8px;
        border-radius: 6px;
        transition: all 0.2s ease;
        font-weight: 500;
    }
    
    .close-btn:hover {
        background-color: #f5f5f5;
        transform: scale(1.05);
    }
    
    .mobile-logo {
        height: 28px;
        width: auto;
        object-fit: contain;
    }
    
    .mobile-icons {
        display: flex;
        gap: 16px;
        align-items: center;
    }
    
    .search-btn,
    .cart-btn {
        background: none;
        border: none;
        color: #333;
        cursor: pointer;
        padding: 8px;
        border-radius: 6px;
        transition: all 0.2s ease;
        display: flex;
        align-items: center;
        justify-content: center;
        min-width: 36px;
        min-height: 36px;
    }
    
    .search-btn svg,
    .cart-btn svg {
        width: 20px;
        height: 20px;
        color: #333;
        transition: all 0.2s ease;
    }
    
    .search-btn:hover,
    .cart-btn:hover {
        background-color: #f5f5f5;
        transform: scale(1.05);
    }
    
    .search-btn:hover svg,
    .cart-btn:hover svg {
        color: #4a90e2;
    }
    
    .search-btn:active,
    .cart-btn:active,
    .close-btn:active {
        transform: scale(0.95);
    }

    /* 小屏幕适配 */
    @media (max-width: 480px) {
        .mobile-header {
            padding: 12px 16px;
        }
        
        .mobile-logo {
            height: 24px;
        }
        
        .close-btn,
        .search-btn,
        .cart-btn {
            padding: 6px;
            min-width: 32px;
            min-height: 32px;
        }
        
        .search-btn svg,
        .cart-btn svg {
            width: 18px;
            height: 18px;
        }
        
        .mobile-icons {
            gap: 12px;
        }
    }

    /* Hamburger menu icon */
    .menu-toggle{
        width: 18px;
        height: 20px;
        position: relative;
        border: none;
        background: transparent;
        padding: 0;
        display: flex;
        align-items: center;
        justify-content: center;
        cursor: pointer;
        color: #333;
    }
    .menu-toggle .bar{
        position: absolute;
        left: 0;
        width: 100%;
        height: 2px;
        background: currentColor;
        transition: transform .3s ease, opacity .2s ease, top .3s ease;
    }
    .menu-toggle .bar:nth-child(1){ top: 4px; }
    .menu-toggle .bar:nth-child(2){ top: 11px; }
    .menu-toggle .bar:nth-child(3){ top: 18px; }
    .menu-toggle.open .bar:nth-child(1){ transform: translateY(7px) rotate(45deg); }
    .menu-toggle.open .bar:nth-child(2){ opacity: 0; }
    .menu-toggle.open .bar:nth-child(3){ transform: translateY(-7px) rotate(-45deg); }

    /* Accordion mobile nav */
    .mobile-menu{
        position: fixed;
        top: 60px;
        left: 0;
        width: 100%;
        overflow: hidden;
        max-height: 0;
        transition: max-height .35s ease;
        background: #fff;
        z-index: 999;
        box-shadow: 0 2px 8px rgba(0,0,0,0.1);
    }
    .mobile-menu ul{ 
        list-style: none; 
        margin: 0; 
        padding: 16px 20px; 
    }
    .mobile-menu li{ 
        margin: 12px 0; 
        border-bottom: 1px solid #f0f0f0;
        padding-bottom: 8px;
    }
    .mobile-menu a{ 
        display: block; 
        text-decoration: none; 
        color: #333; 
        font-size: 16px;
        font-weight: 500;
        padding: 8px 0;
    }
    .mobile-menu a:hover {
        color: #4a90e2;
    }

    /* Footer适配 */
    .footer-box {
        padding: 30px 0 10px;
    }
    .footer-content {
        flex-direction: column;
        gap: 30px;
        max-width: 100%;
        padding: 0 10px;
        margin-bottom: 20px;
    }
    .footer-brand {
        max-width: 100%;
        margin-bottom: 20px;
    }
    .footer-logo {
        height: 36px;
        margin-bottom: 10px;
    }
    .brand-info h2 {
        font-size: 18px;
        margin-bottom: 8px;
    }
    .brand-info p {
        font-size: 12px;
    }
    .social-links {
        gap: 10px;
    }
    .social-links a span {
        font-size: 16px;
    }
    .footer-nav {
        flex-direction: column;
        gap: 10px;
        width: 100%;
    }
    .nav-column h3 {
        font-size: 14px;
        margin-bottom: 10px;
    }
    .nav-column ul li {
        margin-bottom: 6px;
    }
    .nav-column ul li a {
        font-size: 12px;
    }
    .footer-bottom {
        flex-direction: column;
        gap: 8px;
        padding: 10px;
        max-width: 100%;
        font-size: 12px;
        align-items: flex-start;
    }
    .footer-bottom span,
    .footer-bottom a {
        font-size: 12px;
    }
    .legal-links {
        gap: 10px;
        margin-top: 4px;
    }
    .legal-links a {
        font-size: 12px;
    }
    .footer-bottom span{
        display: block;
        margin-bottom: 2px;
    }
}