/* 产品中心移动端专用样式 */

/* 移动端导航优化 - 同步首页样式 */
@media (max-width: 768px) {
    /* 增强移动端菜单按钮的可见性 */
    .mobile-menu-toggle {
        padding: var(--spacing-md);
        border-radius: var(--radius-md);
        transition: all var(--animation-duration-fast) var(--animation-easing);
    }
    
    .mobile-menu-toggle:hover {
        background: rgba(124, 58, 237, 0.1);
    }
    
    .mobile-menu-toggle:active {
        transform: scale(0.95);
    }
    
    /* 优化移动端菜单动画 */
    .nav-menu {
        transform: translateY(-10px);
        opacity: 0;
        transition: all var(--animation-duration-normal) var(--animation-easing);
    }
    
    .nav-menu.active {
        transform: translateY(0);
        opacity: 1;
    }
    
    /* 增强菜单项的触摸体验 */
    .nav-link {
        min-height: 48px;
        display: flex;
        align-items: center;
        font-size: var(--font-size-base);
        font-weight: 500;
        touch-action: manipulation;
    }
    
    .nav-link:active {
        transform: scale(0.98);
        background: rgba(124, 58, 237, 0.15);
    }
}

/* 产品筛选区域移动端优化 */
@media (max-width: 768px) {
    .product-filter {
        padding: var(--spacing-2xl) 0;
    }
    
    .filter-controls {
        flex-direction: column;
        gap: 24px;
        align-items: stretch;
    }
    
    .filter-sections {
        gap: 20px;
    }
    
    .filter-buttons {
        gap: 6px;
        flex-wrap: wrap;
    }
    
    .filter-btn {
        padding: 8px 12px;
        font-size: 12px;
        min-width: auto;
        flex: 0 0 auto;
    }
    
    .search-box {
        width: 100%;
        max-width: 400px;
        margin: 0 auto;
    }
}

/* 产品网格移动端布局 */
@media (max-width: 768px) {
    .products-section {
        padding: var(--spacing-2xl) 0;
    }
    
    .products-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-xl);
    }
    
    .product-card {
        min-height: 320px;
        padding: var(--spacing-xl);
    }
    
    .product-header {
        flex-direction: row;
        align-items: flex-start;
        text-align: left;
        gap: var(--spacing-md);
    }
    
    .product-icon {
        width: 60px;
        height: 60px;
        font-size: var(--font-size-xl);
        flex-shrink: 0;
        margin-right: 0;
        margin-bottom: 0;
    }
    
    .product-info h3 {
        font-size: var(--font-size-lg);
        margin-bottom: var(--spacing-sm);
    }
    
    .product-description {
        font-size: var(--font-size-sm);
        line-height: 1.5;
        margin-bottom: var(--spacing-md);
    }
    
    .product-features {
        gap: var(--spacing-xs);
        margin-bottom: var(--spacing-lg);
    }
    
    .product-features li {
        font-size: var(--font-size-xs);
        padding: 4px 8px;
    }
    
    .product-footer {
        flex-direction: column;
        align-items: center;
        gap: var(--spacing-sm);
        justify-content: center;
        padding-top: var(--spacing-md);
    }
    
    .product-price:empty {
        display: none;
    }
    
    .product-actions {
        display: flex;
        gap: 8px;
        align-items: center;
        justify-content: center;
    }
    
    .product-actions .btn-quote,
    .product-actions .btn-detail {
        width: 140px;
        min-width: 140px;
        max-width: 140px;
        padding: 12px 24px;
        font-size: 12px;
        white-space: nowrap;
        justify-content: center;
    }
}

/* 产品优势区域移动端优化 */
@media (max-width: 768px) {
    .product-advantages {
        padding: var(--spacing-2xl) 0;
    }
    
    .advantages-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
    }
    
    .advantage-card {
        padding: var(--spacing-lg);
        text-align: center;
        background: rgba(255, 255, 255, 0.05);
        backdrop-filter: blur(20px);
        border: 1px solid rgba(6, 182, 212, 0.1);
        border-radius: 16px;
        transition: all 0.4s ease;
        position: relative;
        overflow: hidden;
    }
    
    .advantage-card::before {
        content: '';
        position: absolute;
        top: 0;
        left: 0;
        right: 0;
        bottom: 0;
        background: linear-gradient(135deg, rgba(6, 182, 212, 0.05) 0%, rgba(16, 185, 129, 0.05) 50%, rgba(59, 130, 246, 0.05) 100%);
        opacity: 0;
        transition: opacity 0.3s ease;
        pointer-events: none;
    }
    
    .advantage-card:hover {
        transform: translateY(-8px);
        border-color: rgba(6, 182, 212, 0.3);
        box-shadow: 0 20px 60px rgba(6, 182, 212, 0.15), 0 8px 25px rgba(16, 185, 129, 0.1);
    }
    
    .advantage-card:hover::before {
        opacity: 1;
    }
    
    .advantage-icon {
        width: 60px;
        height: 60px;
        font-size: 2rem;
        margin: 0 auto var(--spacing-sm) auto;
        display: flex;
        align-items: center;
        justify-content: center;
        background: linear-gradient(135deg, rgba(6, 182, 212, 0.1) 0%, rgba(16, 185, 129, 0.1) 50%, rgba(59, 130, 246, 0.1) 100%);
        border: 2px solid rgba(6, 182, 212, 0.2);
        border-radius: 50%;
        backdrop-filter: blur(10px);
        box-shadow: 0 8px 32px rgba(6, 182, 212, 0.15), 0 4px 16px rgba(16, 185, 129, 0.1);
        transition: all 0.3s ease;
        position: relative;
        overflow: hidden;
    }
    
    .advantage-icon::before {
        content: '';
        position: absolute;
        top: 0;
        left: 0;
        right: 0;
        bottom: 0;
        background: linear-gradient(135deg, rgba(6, 182, 212, 0.2) 0%, rgba(16, 185, 129, 0.2) 50%, rgba(59, 130, 246, 0.2) 100%);
        border-radius: 50%;
        opacity: 0;
        transition: opacity 0.3s ease;
    }
    
    .advantage-card:hover .advantage-icon {
        transform: scale(1.1);
        border-color: rgba(6, 182, 212, 0.4);
        box-shadow: 0 12px 40px rgba(6, 182, 212, 0.25), 0 6px 20px rgba(16, 185, 129, 0.15);
    }
    
    .advantage-card:hover .advantage-icon::before {
        opacity: 1;
    }
    
    .advantage-title {
        font-size: var(--font-size-base);
        font-weight: 600;
        color: var(--text-primary);
        margin-bottom: var(--spacing-sm);
        position: relative;
        z-index: 1;
    }
    
    .advantage-description {
        font-size: var(--font-size-sm);
        line-height: 1.5;
        color: var(--text-secondary);
        position: relative;
        z-index: 1;
    }
}

/* CTA区域移动端优化 */
@media (max-width: 768px) {
    .cta-section {
        padding: var(--spacing-2xl) 0;
    }
    
    .cta-title {
        font-size: var(--font-size-xl);
        margin-bottom: var(--spacing-md);
    }
    
    .cta-subtitle {
        font-size: var(--font-size-base);
        margin-bottom: var(--spacing-xl);
    }
    
    .cta-actions {
        flex-direction: column;
        align-items: center;
        gap: var(--spacing-md);
    }
    
    .cta-actions .btn-primary,
    .cta-actions .btn-outline {
        width: 100%;
        max-width: 280px;
        font-size: var(--font-size-sm);
    }
}

/* 页脚移动端优化 - 同步首页样式 */
@media (max-width: 768px) {
    .footer {
        padding: var(--spacing-2xl) 0 var(--spacing-lg);
    }
    
    .footer-content {
        grid-template-columns: 1fr 1fr 1fr;
        gap: var(--spacing-md);
        margin-bottom: var(--spacing-lg);
        padding: 0 var(--spacing-xl);
    }
    
    .footer-section:first-child {
        grid-column: 1 / -1;
        text-align: center;
        margin-bottom: var(--spacing-lg);
        padding-bottom: var(--spacing-lg);
        border-bottom: 1px solid var(--border-color);
    }
    

    
    .footer-section:last-child p {
        display: inline-block;
        margin-right: var(--spacing-md);
        margin-bottom: var(--spacing-xs);
        white-space: nowrap;
        text-align: left;
    }
    
    .footer-section h3 {
        font-size: var(--font-size-lg);
        margin-bottom: var(--spacing-sm);
    }
    
    .footer-section h4 {
        font-size: var(--font-size-sm);
        margin-bottom: var(--spacing-xs);
        color: rgba(255, 255, 255, 0.8);
    }
    
    .footer-section p {
        font-size: var(--font-size-xs);
        color: rgba(255, 255, 255, 0.6);
        line-height: 1.4;
        margin-bottom: var(--spacing-xs);
    }
    
    .footer-section ul {
        margin: 0;
        padding: 0;
    }
    
    .footer-section li {
        margin-bottom: var(--spacing-xs);
    }
    
    .footer-section a {
        font-size: var(--font-size-xs);
        color: rgba(255, 255, 255, 0.6);
        line-height: 1.3;
    }
    
    .footer-section a:hover {
        color: var(--primary-color);
    }
    
    .footer-bottom {
        padding-top: var(--spacing-md);
    }
    
    .footer-bottom {
        padding: var(--spacing-md) var(--spacing-xl) !important;
    }
    
    .footer-copyright {
        flex-direction: column;
        gap: var(--spacing-xs);
        padding: 0 !important;
    }
    
    .footer-copyright p {
        font-size: var(--font-size-xs);
        color: rgba(255, 255, 255, 0.5);
        margin: 0 !important;
    }
    
    .footer-copyright a {
        font-size: var(--font-size-xs);
        color: rgba(255, 255, 255, 0.5);
        margin: 0 !important;
    }
}

/* 小屏幕设备优化 (max-width: 480px) */
@media (max-width: 480px) {
    .product-filter {
        padding: var(--spacing-xl) 0;
    }
    

    

    
    .products-section {
        padding: var(--spacing-xl) 0;
    }
    
    .filter-group {
        margin-bottom: var(--spacing-md);
    }
    
    .filter-label {
        margin-bottom: var(--spacing-xs);
        font-size: var(--font-size-xs);
    }
    
    .filter-btn {
        padding: 6px 10px;
        font-size: 11px;
    }
    
    .product-card {
        padding: var(--spacing-lg);
        min-height: 280px;
    }
    
    .product-icon {
        width: 50px;
        height: 50px;
        font-size: var(--font-size-lg);
    }
    
    .product-info h3 {
        font-size: var(--font-size-base);
    }
    
    .product-description {
        font-size: var(--font-size-xs);
    }
    
    .product-features li {
        font-size: 10px;
        padding: 3px 6px;
    }
    
    .product-actions .btn-quote,
    .product-actions .btn-detail {
        max-width: 100px;
        min-width: 70px;
        padding: 6px 8px;
        font-size: 11px;
    }
    
    .cta-title {
        font-size: var(--font-size-lg);
    }
    
    .cta-actions .btn-primary,
    .cta-actions .btn-outline {
        max-width: 240px;
    }
    

    

}

/* 移动端专用动画优化 */
@media (max-width: 768px) {
    /* 减少动画复杂度以提升性能 */
    .fade-in-up {
        animation-duration: 0.4s;
    }
    
    .product-card.loading {
        animation-duration: 0.5s;
    }
    
    /* 触摸友好的交互 */
    .btn-primary,
    .btn-outline,
    .filter-btn {
        min-height: 44px; /* 符合移动端触摸标准 */
        touch-action: manipulation;
    }
    
    .product-card,
    .advantage-card {
        touch-action: manipulation;
    }
    
    /* 移动端滚动优化 */
    .products-section,
    .product-advantages,
    .cta-section {
        -webkit-overflow-scrolling: touch;
    }
}

/* 横屏模式优化 */
@media (max-width: 768px) and (orientation: landscape) {
    .product-filter {
        padding: var(--spacing-lg) 0;
    }
    
    .products-section {
        padding: var(--spacing-lg) 0;
    }
    
    .product-card {
        min-height: 240px;
    }
    
    .cta-section {
        padding: var(--spacing-lg) 0;
    }
}

/* 加载状态优化 */
.products-grid.loading .product-card {
    opacity: 0.7;
    pointer-events: none;
}

.products-grid.loading .product-card::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.1), transparent);
    animation: shimmer 1.5s infinite;
}

@keyframes shimmer {
    0% { transform: translateX(-100%); }
    100% { transform: translateX(100%); }
}

/* 搜索结果优化 */
@media (max-width: 768px) {
    .no-results {
        padding: var(--spacing-2xl) var(--spacing-md);
        grid-column: 1;
    }
    
    .no-results-icon {
        font-size: 3rem;
        margin-bottom: var(--spacing-lg);
    }
    
    .no-results h3 {
        font-size: var(--font-size-lg);
        margin-bottom: var(--spacing-sm);
    }
    
    .no-results p {
        font-size: var(--font-size-sm);
    }
}