/* ===== 移动端深度优化 V2 ===== */

/* 全局字体和间距优化 */
@media (max-width: 991px) {
    html {
        font-size: 14px;
    }
    
    section {
        padding: 50px 0;
    }
    
    .container {
        padding: 0 15px;
    }
}

/* 手机端全局优化 */
@media (max-width: 767px) {
    html {
        font-size: 13px;
    }
    
    section {
        padding: 40px 0;
    }
    
    .container {
        padding: 0 12px;
    }
    
    /* 全局按钮优化 */
    .btn {
        padding: 12px 20px;
        font-size: 0.9rem;
        min-height: 44px;
        display: inline-flex;
        align-items: center;
        justify-content: center;
        min-width: 120px;
    }
    
    .btn-primary {
        width: 100%;
    }
    
    .btn-group {
        flex-direction: column;
        width: 100%;
    }
    
    .btn-group .btn {
        width: 100%;
        margin: 0 0 10px 0;
    }
    
    .btn-group .btn:last-child {
        margin-bottom: 0;
    }
}

/* 超小屏手机优化 */
@media (max-width: 480px) {
    html {
        font-size: 12px;
    }
    
    .container {
        padding: 0 10px;
    }
}

/* 导航栏深度优化 */
@media (max-width: 991px) {
    .nav-wrapper {
        padding: 10px 0;
    }
    
    .mobile-menu-btn {
        display: flex !important;
        align-items: center;
        justify-content: center;
        width: 44px;
        height: 44px;
        border: none;
        background: var(--primary-color);
        color: white;
        border-radius: 8px;
        cursor: pointer;
        font-size: 1.5rem;
        transition: all 0.3s ease;
    }
    
    .mobile-menu-btn:active {
        transform: scale(0.95);
    }
    
    /* nav-menu 的 position/z-index/transform 由 mobile-final.css 统一用 !important 管理 */
    .nav-menu {
        background: var(--bg-dark);
        flex-direction: column;
        padding: 20px 0;
        -webkit-overflow-scrolling: touch;
    }
    
    .nav-link {
        font-size: 1.1rem;
        padding: 15px 20px;
    }
    
    .nav-link:active {
        background: rgba(37, 99, 235, 0.1);
    }
}

/* 首页Hero区域优化 */
@media (max-width: 767px) {
    .hero-section {
        min-height: auto;
        padding: 100px 0 60px;
    }
    
    .hero-content {
        text-align: center;
        padding: 20px 0;
    }
    
    .hero-title {
        font-size: 1.8rem;
        line-height: 1.3;
        margin-bottom: 15px;
    }
    
    .hero-description {
        font-size: 0.95rem;
        line-height: 1.6;
        margin-bottom: 25px;
        max-width: 100%;
    }
    
    .hero-buttons {
        flex-direction: column;
        width: 100%;
        gap: 12px;
    }
    
    .hero-buttons .btn {
        width: 100%;
    }
    
    .hero-visual {
        height: 300px;
        border-radius: 12px;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 1.5rem;
    }
    
    .hero-visual {
        height: 250px;
    }
}

/* 轮播图优化 */
@media (max-width: 767px) {
    .carousel-slide {
        padding: 60px 0 40px;
    }
    
    .carousel-slide .slide-title {
        font-size: 1.8rem;
        margin-bottom: 15px;
    }
    
    .carousel-slide .slide-description {
        font-size: 0.95rem;
        margin-bottom: 25px;
    }
    
    .carousel-slide .slide-visual {
        height: 250px;
    }
    
    .carousel-btn {
        width: 44px;
        height: 44px;
        font-size: 1.1rem;
    }
    
    .carousel-indicator {
        width: 8px;
        height: 8px;
    }
    
    .carousel-indicator.active {
        width: 24px;
    }
}

/* 核心业务区域优化 */
@media (max-width: 991px) {
    .services-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 20px;
    }
    
    .service-card {
        padding: 24px;
    }
    
    .service-icon {
        width: 60px;
        height: 60px;
        font-size: 1.5rem;
    }
    
    .service-title {
        font-size: 1.2rem;
        margin-bottom: 12px;
    }
    
    .service-description {
        font-size: 0.9rem;
        line-height: 1.6;
    }
}

@media (max-width: 767px) {
    .services-grid {
        grid-template-columns: 1fr;
        gap: 16px;
    }
    
    .service-card {
        padding: 20px;
    }
    
    .service-icon {
        width: 50px;
        height: 50px;
        font-size: 1.25rem;
    }
    
    .service-title {
        font-size: 1.1rem;
    }
}

/* 统计数据优化 */
@media (max-width: 991px) {
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 30px;
    }
    
    .stat-number {
        font-size: 3rem;
    }
    
    .stat-label {
        font-size: 1rem;
    }
}

@media (max-width: 767px) {
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 20px;
    }
    
    .stat-number {
        font-size: 2.5rem;
    }
    
    .stat-label {
        font-size: 0.9rem;
    }
}

@media (max-width: 480px) {
    .stats-grid {
        grid-template-columns: 1fr;
    }
}

/* 合作伙伴优化 */
@media (max-width: 991px) {
    .partners-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: 20px;
    }
    
    .partner-logo {
        height: 60px;
        padding: 15px;
    }
}

@media (max-width: 767px) {
    .partners-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 15px;
    }
    
    .partner-logo {
        height: 50px;
        padding: 12px;
    }
}

@media (max-width: 480px) {
    .partners-grid {
        grid-template-columns: 1fr;
    }
}

/* 关于我们页面优化 */
@media (max-width: 991px) {
    .about-hero .container {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .about-hero-content {
        text-align: center;
    }
    
    .about-hero-visual {
        height: 350px;
        order: -1;
    }
    
    .timeline {
        padding-left: 0;
    }
    
    .timeline-item {
        padding-left: 30px;
        padding-right: 0;
    }
    
    .timeline-item::before {
        left: 0;
    }
}

@media (max-width: 767px) {
    .about-hero-visual {
        height: 280px;
    }
    
    .timeline-item {
        padding: 20px 0 20px 25px;
    }
    
    .timeline-year {
        font-size: 1.2rem;
    }
    
    .timeline-title {
        font-size: 1rem;
    }
    
    .timeline-content {
        font-size: 0.9rem;
    }
    
    .team-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 15px;
    }
    
    .team-member {
        padding: 20px;
    }
    
    .member-avatar {
        width: 80px;
        height: 80px;
    }
    
    .member-name {
        font-size: 1rem;
    }
    
    .member-role {
        font-size: 0.85rem;
    }
    
    .culture-grid {
        grid-template-columns: 1fr;
    }
    
    .culture-card {
        padding: 24px;
    }
}

@media (max-width: 480px) {
    .team-grid {
        grid-template-columns: 1fr;
    }
    
    .member-avatar {
        width: 70px;
        height: 70px;
    }
}

/* 产品服务页面优化 */
@media (max-width: 991px) {
    .products-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 24px;
    }
    
    .product-item {
        padding: 28px;
    }
    
    .product-icon {
        width: 70px;
        height: 70px;
        font-size: 1.75rem;
    }
    
    .product-title {
        font-size: 1.25rem;
    }
}

@media (max-width: 767px) {
    .product-categories {
        gap: 8px;
        margin-bottom: 24px;
    }
    
    .category-btn {
        padding: 8px 16px;
        font-size: 0.85rem;
        border-radius: 20px;
    }
    
    .products-grid {
        grid-template-columns: 1fr;
        gap: 16px;
    }
    
    .product-item {
        padding: 24px;
    }
    
    .product-icon {
        width: 60px;
        height: 60px;
        font-size: 1.5rem;
    }
    
    .product-title {
        font-size: 1.1rem;
    }
    
    .product-description {
        font-size: 0.9rem;
    }
}

/* 解决方案页面优化 */
@media (max-width: 991px) {
    .solutions-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 24px;
    }
    
    .solution-card {
        padding: 28px;
    }
    
    .solution-icon {
        width: 70px;
        height: 70px;
        font-size: 1.75rem;
    }
}

@media (max-width: 767px) {
    .solutions-grid {
        grid-template-columns: 1fr;
        gap: 16px;
    }
    
    .solution-card {
        padding: 24px;
    }
    
    .solution-icon {
        width: 60px;
        height: 60px;
        font-size: 1.5rem;
    }
    
    .solution-title {
        font-size: 1.1rem;
    }
    
    .solution-description {
        font-size: 0.9rem;
    }
    
    .service-flow {
        flex-direction: column;
        gap: 20px;
    }
    
    .flow-step {
        width: 100%;
        padding: 20px;
    }
    
    .flow-step-icon {
        width: 50px;
        height: 50px;
        font-size: 1.25rem;
    }
    
    .flow-step-title {
        font-size: 1rem;
    }
    
    .flow-step-desc {
        font-size: 0.85rem;
    }
}

/* 成功案例页面优化 */
@media (max-width: 991px) {
    .cases-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 24px;
    }
}

@media (max-width: 767px) {
    .cases-grid {
        grid-template-columns: 1fr;
        gap: 16px;
    }
    
    .case-card {
        padding: 20px;
    }
    
    .case-image {
        height: 220px;
    }
    
    .case-title {
        font-size: 1.1rem;
    }
    
    .case-description {
        font-size: 0.9rem;
    }
    
    .case-tags {
        gap: 6px;
    }
    
    .case-tag {
        padding: 4px 10px;
        font-size: 0.75rem;
    }
}

/* 公司新闻页面优化 */
@media (max-width: 991px) {
    .news-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 24px;
    }
}

@media (max-width: 767px) {
    .news-categories {
        flex-wrap: wrap;
        gap: 8px;
        margin-bottom: 24px;
    }
    
    .category-btn {
        padding: 8px 16px;
        font-size: 0.85rem;
        border-radius: 20px;
    }
    
    .news-grid {
        grid-template-columns: 1fr;
        gap: 16px;
    }
    
    .news-item {
        padding: 20px;
        grid-template-columns: 1fr !important;
        gap: 20px !important;
    }

    .news-item .news-image {
        height: 220px !important;
    }
    
    .news-title {
        font-size: 1.1rem;
    }
    
    .news-excerpt {
        font-size: 0.9rem;
    }
    
    .news-meta {
        font-size: 0.8rem;
    }
    
    .pagination {
        flex-wrap: wrap;
        gap: 8px;
    }
    
    .page-link {
        padding: 8px 14px;
        font-size: 0.85rem;
        min-width: 36px;
        min-height: 36px;
    }
}

/* 招贤纳士页面优化 */
@media (max-width: 991px) {
    .benefits-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 20px;
    }
    
    .benefit-card {
        padding: 24px;
    }
    
    .benefit-icon {
        width: 60px;
        height: 60px;
        font-size: 1.5rem;
    }
}

@media (max-width: 767px) {
    .benefits-grid {
        grid-template-columns: 1fr;
        gap: 16px;
    }
    
    .benefit-card {
        padding: 20px;
    }
    
    .benefit-icon {
        width: 50px;
        height: 50px;
        font-size: 1.25rem;
    }
    
    .benefit-title {
        font-size: 1rem;
    }
    
    .benefit-description {
        font-size: 0.85rem;
    }
    
    .job-card {
        padding: 24px;
    }
    
    .job-header {
        flex-direction: column;
        gap: 15px;
    }
    
    .job-title {
        font-size: 1.15rem;
    }
    
    .job-tags {
        flex-wrap: wrap;
        gap: 8px;
    }
    
    .tag {
        padding: 5px 12px;
        font-size: 0.75rem;
    }
    
    .job-description {
        font-size: 0.9rem;
        line-height: 1.6;
    }
    
    .job-requirements h4 {
        font-size: 0.95rem;
    }
    
    .job-requirements li {
        font-size: 0.85rem;
    }
    
    .process-steps {
        grid-template-columns: repeat(3, 1fr);
        gap: 15px;
    }
    
    .process-step {
        padding: 20px;
    }
    
    .step-icon {
        width: 50px;
        height: 50px;
        font-size: 1.25rem;
    }
    
    .step-title {
        font-size: 0.95rem;
    }
}

@media (max-width: 575px) {
    .process-steps {
        grid-template-columns: 1fr;
    }
}

/* 联系我们页面优化 */
@media (max-width: 991px) {
    .contact-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .contact-cards {
        grid-template-columns: repeat(2, 1fr);
        gap: 20px;
    }
    
    .contact-card {
        padding: 28px;
    }
    
    .contact-icon {
        width: 60px;
        height: 60px;
        font-size: 1.5rem;
    }
}

@media (max-width: 767px) {
    .contact-cards {
        grid-template-columns: 1fr;
        gap: 16px;
    }
    
    .contact-card {
        padding: 24px;
    }
    
    .contact-icon {
        width: 50px;
        height: 50px;
        font-size: 1.25rem;
    }
    
    .contact-title {
        font-size: 1rem;
    }
    
    .contact-text {
        font-size: 0.9rem;
    }
    
    .contact-form-container {
        padding: 24px;
    }
    
    .form-group {
        margin-bottom: 16px;
    }
    
    .form-group label {
        font-size: 0.9rem;
        margin-bottom: 8px;
    }
    
    .form-group input,
    .form-group textarea,
    .form-group select {
        padding: 12px 16px;
        font-size: 0.95rem;
        border-radius: 8px;
    }
    
    .form-submit button {
        width: 100%;
        padding: 14px 24px;
        font-size: 1rem;
    }
    
    .faq-item {
        padding: 18px;
    }
    
    .faq-question h3 {
        font-size: 0.95rem;
        padding-right: 40px;
    }
    
    .faq-answer p {
        font-size: 0.85rem;
        line-height: 1.6;
    }
    
    .faq-answer ul li {
        font-size: 0.85rem;
        padding-left: 20px;
    }
}

/* 地图区域优化 */
@media (max-width: 991px) {
    .map-placeholder {
        padding: 40px 20px;
    }
    
    .map-placeholder i {
        font-size: 4rem;
    }
}

@media (max-width: 767px) {
    .map-placeholder {
        padding: 30px 15px;
    }
    
    .map-placeholder i {
        font-size: 3rem;
    }
    
    .map-placeholder p {
        font-size: 1rem;
    }
    
    .map-note {
        font-size: 0.85rem;
    }
}

/* 页面标题优化 */
@media (max-width: 767px) {
    .page-header {
        padding: 70px 0 40px;
    }
    
    .page-title {
        font-size: 1.75rem;
        margin-bottom: 10px;
    }
    
    .breadcrumb {
        font-size: 0.85rem;
        flex-wrap: wrap;
    }
    
    .breadcrumb a,
    .breadcrumb .current {
        padding: 6px 0;
    }
}

@media (max-width: 480px) {
    .page-header {
        padding: 60px 0 30px;
    }
    
    .page-title {
        font-size: 1.5rem;
    }
}

/* Footer优化 */
@media (max-width: 991px) {
    .footer-content {
        grid-template-columns: repeat(2, 1fr);
        gap: 30px;
        padding: 0 15px;
    }
    
    .footer-brand .logo-icon svg {
        width: 40px !important;
        height: 40px !important;
    }

    .footer-brand .logo-icon {
        width: 40px !important;
        height: 40px !important;
    }

    .footer-brand .logo-text {
        font-size: 1.1rem !important;
    }

    .footer-brand .logo-tagline {
        display: block !important;
        font-size: 0.7rem !important;
        letter-spacing: 0.5px !important;
    }
    
    .footer-title {
        font-size: 1.1rem;
    }
    
    .footer-link {
        font-size: 0.9rem;
        padding: 8px 0;
    }
    
    .footer-contact-item {
        font-size: 0.9rem;
    }
    
    .footer-bottom {
        padding: 20px 0;
    }
}

@media (max-width: 767px) {
    .footer-content {
        grid-template-columns: 1fr;
        gap: 24px;
        padding: 0 12px;
    }
    
    .footer-section {
        text-align: center;
    }
    
    .footer-links {
        flex-direction: column;
    }
    
    .footer-bottom {
        flex-direction: column;
        gap: 12px;
        text-align: center;
    }
    
    .footer-bottom p {
        font-size: 0.85rem;
    }
}

/* 聊天窗口优化 */
@media (max-width: 991px) {
    .chat-toggle {
        width: 56px;
        height: 56px;
        font-size: 1.5rem;
    }
    
    .chat-window {
        width: 360px;
        right: 15px;
        bottom: 15px;
    }
}

@media (max-width: 767px) {
    .chat-window {
        width: calc(100% - 30px);
        right: 15px;
        left: 15px;
        bottom: 80px;
        max-height: calc(100vh - 140px);
    }
    
    .chat-header {
        padding: 16px;
    }
    
    .chat-header h3 {
        font-size: 1rem;
    }
    
    .chat-messages {
        padding: 16px;
    }
    
    .message {
        padding: 12px 16px;
        font-size: 0.9rem;
    }
    
    .chat-suggestions {
        padding: 12px;
    }
    
    .suggestion-btn {
        padding: 10px 14px;
        font-size: 0.85rem;
    }
    
    .chat-input-area {
        padding: 12px;
    }
    
    .chat-input-area input {
        padding: 12px;
        font-size: 0.9rem;
    }
    
    .chat-send-btn {
        width: 44px;
        height: 44px;
        font-size: 1rem;
    }
}

@media (max-width: 480px) {
    .chat-window {
        width: calc(100% - 20px);
        right: 10px;
        left: 10px;
        bottom: 70px;
    }
    
    .chat-toggle {
        width: 50px;
        height: 50px;
        font-size: 1.25rem;
        bottom: 15px;
        right: 10px;
    }
}

/* 横屏模式优化 */
@media (max-width: 767px) and (orientation: landscape) {
    .hero-section {
        padding: 60px 0 40px;
        min-height: auto;
    }
    
    .hero-title {
        font-size: 1.6rem;
    }
    
    .hero-description {
        font-size: 0.9rem;
        max-width: 600px;
    }
    
    .hero-visual {
        height: 200px;
    }
    
    section {
        padding: 35px 0;
    }
    
    .section-title {
        font-size: 1.5rem;
    }
    
    .hero-buttons {
        flex-direction: row;
        justify-content: center;
    }
    
    .hero-buttons .btn {
        width: auto;
        min-width: 140px;
    }
}

/* iPad Pro优化 (768px - 1024px) */
@media (min-width: 768px) and (max-width: 1024px) {
    .container {
        padding: 0 20px;
    }
    
    .services-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 24px;
    }
    
    .stats-grid {
        grid-template-columns: repeat(4, 1fr);
    }
    
    .partners-grid {
        grid-template-columns: repeat(5, 1fr);
    }
    
    .team-grid {
        grid-template-columns: repeat(3, 1fr);
    }
    
    .products-grid,
    .solutions-grid,
    .cases-grid,
    .news-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .benefits-grid {
        grid-template-columns: repeat(3, 1fr);
    }
    
    .contact-cards {
        grid-template-columns: repeat(3, 1fr);
    }
}

/* 触摸设备优化 */
@media (hover: none) and (pointer: coarse) {
    /* 增加可点击区域 */
    .btn,
    .nav-link,
    .card,
    .service-card,
    .product-item,
    .solution-card,
    .case-card,
    .news-item,
    .job-card,
    .benefit-card,
    .contact-card,
    .contact-card,
    .faq-question,
    .mobile-menu-btn,
    .chat-toggle,
    .suggestion-btn {
        min-height: 44px;
        min-width: 44px;
    }
    
    /* 移除hover效果 */
    .btn:hover,
    .card:hover,
    .service-card:hover,
    .product-item:hover,
    .solution-card:hover,
    .case-card:hover,
    .news-item:hover,
    .job-card:hover,
    .benefit-card:hover {
        transform: none;
    }
    
    /* 添加active反馈 */
    .btn:active,
    .card:active,
    .service-card:active,
    .product-item:active,
    .solution-card:active,
    .case-card:active,
    .news-item:active,
    .job-card:active {
        transform: scale(0.98);
        transition: transform 0.1s ease;
    }
}

/* iOS Safari特定优化 */
@supports (-webkit-touch-callout: none) {
    /* 防止iOS缩放 */
    input,
    textarea,
    select {
        font-size: 16px !important;
    }
    
    /* 平滑滚动 */
    .nav-menu.active,
    .chat-messages,
    .chat-window {
        -webkit-overflow-scrolling: touch;
    }
    
    /* 防止回弹效果 */
    .chat-window {
        overscroll-behavior: contain;
    }
}

/* Android Chrome优化 */
@supports not (-webkit-touch-callout: none) {
    /* 平滑滚动 */
    .nav-menu.active,
    .chat-messages {
        scroll-behavior: smooth;
    }
}

/* 高对比度模式支持 */
@media (prefers-contrast: high) {
    .btn,
    .card,
    .service-card {
        border: 2px solid currentColor;
    }
}

/* 减少动画模式 */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* 滚动条美化 */
@media (max-width: 767px) {
    /* 隐藏滚动条但保持可滚动 */
    .nav-menu,
    .chat-messages {
        scrollbar-width: none;
        -ms-overflow-style: none;
    }
    
    .nav-menu::-webkit-scrollbar,
    .chat-messages::-webkit-scrollbar {
        display: none;
    }
}

/* Safe Area支持 (iPhone X及以上) */
@supports (padding: max(0px)) {
    @media (max-width: 767px) {
        .chat-window {
            bottom: max(80px, env(safe-area-inset-bottom) + 15px);
        }
        
        .chat-toggle {
            bottom: max(15px, env(safe-area-inset-bottom) + 15px);
        }
    }
}

/* 横屏手机特别优化 */
@media (max-width: 767px) and (orientation: landscape) {
    .nav-menu {
        max-height: calc(100vh - 64px);
    }
    
    .chat-window {
        max-height: calc(100vh - 100px);
    }
}