/* 响应式设计补充样式 */

/* 小屏幕手机 (max-width: 480px) */
@media (max-width: 480px) {
    /* 导航栏样式 - 已移至navbar-optimization.css */
    /* .navbar {
        height: 50px;
        padding: 0;
    }
    
    .nav-container {
        padding: 0 10px;
        gap: 10px;
    } */
    
    /* Logo样式已移至navbar-optimization.css */
    
    .contact-btn {
        padding: 6px 16px;
        font-size: 12px;
    }
    
    /* 汉堡菜单样式 - 已移至navbar-optimization.css */
    /* .hamburger {
        display: flex !important;
        padding: 3px;
    }
    
    .bar {
        width: 22px;
        height: 2px;
        margin: 2px 0;
    }
    
    .nav-menu {
        display: none !important;
        position: absolute !important;
        top: 100% !important;
        left: 0 !important;
        width: 100% !important;
        background: white !important;
        box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1) !important;
        z-index: 1000 !important;
        padding: 15px 0 !important;
        border-radius: 0 0 10px 10px !important;
    }
    
    .nav-menu.active {
        display: block !important;
    }
    
    .nav-link {
        padding: 12px 15px;
        font-size: 16px;
        display: block;
        text-align: center;
        border-bottom: 1px solid #f0f0f0;
    }
    
    .nav-link:last-child {
        border-bottom: none;
    } */
}

/* 平板设备 (768px - 1024px) */
@media (min-width: 768px) and (max-width: 1024px) {
    /* 容器样式已移至main.css */
    /* .container {
        padding: 0 30px;
    } */
    
    /* 汉堡菜单样式 - 已移至navbar-optimization.css */
    /* .hamburger {
        display: flex !important;
    }
    
    .nav-menu {
        display: none !important;
        position: absolute !important;
        top: 100% !important;
        left: 0 !important;
        width: 100% !important;
        background: white !important;
        box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1) !important;
        z-index: 1000 !important;
        padding: 15px 0 !important;
        border-radius: 0 0 10px 10px !important;
    }
    
    .nav-menu.active {
        display: block;
    } */
    
    /* Hero样式已移至navbar-optimization.css */
    /* .hero-title {
        font-size: 2.5rem;
        white-space: nowrap;
        font-weight: 800;
        text-shadow: 
            0 0 15px rgba(255, 255, 255, 0.8),
            0 2px 4px rgba(0, 0, 0, 0.4),
            0 3px 6px rgba(0, 0, 0, 0.3);
    }
    
    .hero-subtitle {
        font-size: 1.3rem;
    } */
    
    .advantages-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 30px;
    }
    
    .services-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 30px;
    }
    
    .media-grid {
        grid-template-columns: 1fr;
        gap: 30px;
    }
    
    .solutions-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 25px;
    }
    
    .cases-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 30px;
    }
    
    .team-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 30px;
    }
    
    .contact-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .timeline::before {
        left: 30px;
    }
    
    .timeline-item {
        flex-direction: row !important;
    }
    
    .timeline-date {
        min-width: 110px;
    }
    
    .timeline-content {
        margin-left: 60px;
        margin-right: 0;
    }
}

/* 大屏幕设备 (1024px - 1440px) */
@media (min-width: 1024px) and (max-width: 1440px) {
    /* 容器样式已移至main.css */
    /* .container {
        max-width: 1100px;
    } */
    
    /* Hero样式已移至navbar-optimization.css */
    /* .hero-title {
        font-size: 3.2rem;
        font-weight: 800;
        text-shadow: 
            0 0 18px rgba(255, 255, 255, 0.8),
            0 2px 4px rgba(0, 0, 0, 0.3),
            0 4px 8px rgba(0, 0, 0, 0.2);
    } */
    
    .advantages-grid {
        grid-template-columns: repeat(4, 1fr);
        gap: 35px;
    }
    
    .services-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: 35px;
    }
    
    .solutions-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: 35px;
    }
}

/* 超大屏幕设备 (1440px+) */
@media (min-width: 1440px) {
    /* 容器样式已移至main.css */
    /* .container {
        max-width: 1400px;
    } */
    
    /* Hero样式已移至navbar-optimization.css */
    /* .hero-title {
        font-size: 4rem;
        font-weight: 800;
        text-shadow: 
            0 0 25px rgba(255, 255, 255, 0.8),
            0 3px 6px rgba(0, 0, 0, 0.3),
            0 6px 12px rgba(0, 0, 0, 0.2);
    }
    
    .hero-subtitle {
        font-size: 1.6rem;
    } */
    
    .advantages-grid {
        gap: 50px;
    }
    
    .services-grid {
        gap: 50px;
    }
    
    .solutions-grid {
        gap: 40px;
    }
}

/* 小屏幕手机设备 (320px - 480px) */
@media (max-width: 480px) {
    /* 容器样式已移至main.css */
    /* .container {
        padding: 0 15px;
    } */
    
    /* Hero样式已移至navbar-optimization.css */
    /* .hero-title {
        font-size: 1.5rem;
        white-space: nowrap;
        font-weight: 800;
        text-shadow: 
            0 0 10px rgba(255, 255, 255, 0.8),
            0 1px 3px rgba(0, 0, 0, 0.5),
            0 2px 4px rgba(0, 0, 0, 0.4);
    }
    
    .hero-subtitle {
        font-size: 1rem;
    } */
    
    .hero-buttons {
        gap: 15px;
    }
    
    .btn {
        padding: 10px 25px;
        font-size: 14px;
    }
    
    .hamburger {
        display: flex !important;
    }
    
    .nav-menu {
        display: none !important;
        position: absolute !important;
        top: 100% !important;
        left: 0 !important;
        width: 100% !important;
        background: white !important;
        box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1) !important;
        z-index: 1000 !important;
        padding: 15px 0 !important;
        border-radius: 0 0 10px 10px !important;
    }
    
    .nav-menu.active {
        display: block;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    /* 移动端联系我们页面背景优化 */
    .contact-content {
        /* background: linear-gradient(135deg, #f8f9fa 0%, #ffffff 100%) !important; */
        padding: 20px 0 40px !important;
    }
    
    .contact-cards {
        padding: 15px !important;
        margin: 0 15px 40px !important;
    }
    
    .address-section {
        margin: 0 15px 40px !important;
        padding: 20px !important;
    }
    
    .message-section {
        margin: 0 15px 30px !important;
        padding: 30px 20px !important;
    }
    
    .qr-section {
        margin: 0 15px 30px !important;
        padding: 30px 20px !important;
    }
    
    .page-banner h2 {
        font-size: 2rem;
    }
    
    .page-banner p {
        font-size: 1rem;
    }
    
    .advantages-grid {
        grid-template-columns: 1fr;
        gap: 25px;
        padding: 0 15px;
        margin-top: 30px;
    }
    
    .advantage-item {
        padding: 30px 25px;
        border-radius: 20px;
        margin: 0 auto;
        max-width: 320px;
        min-width: 280px;
        background: white;
        box-shadow: 0 8px 25px rgba(0, 0, 0, 0.1);
        transition: all 0.3s ease;
    }
    
    .advantage-item:hover {
        transform: translateY(-5px);
        box-shadow: 0 15px 35px rgba(0, 0, 0, 0.15);
    }
    
    .advantage-icon {
        width: 70px;
        height: 70px;
        margin-bottom: 15px;
    }
    
    .advantage-icon i {
        font-size: 32px;
    }
    
    .advantage-number {
        font-size: 2.2rem;
        margin-bottom: 10px;
        color: #667eea;
        font-weight: 700;
        white-space: nowrap;
        overflow: hidden;
        text-overflow: ellipsis;
    }
    
    .advantage-text {
        font-size: 1rem;
        line-height: 1.4;
        color: #5a6c7d;
        font-weight: 500;
        white-space: nowrap;
        overflow: hidden;
        text-overflow: ellipsis;
    }
    
    .services-grid {
        grid-template-columns: 1fr;
        gap: 25px;
        margin-top: 35px;
        padding: 0 20px;
    }
    
    .service-card {
        padding: 30px 25px;
        margin: 0 auto;
        max-width: 500px;
        background: white;
        border-radius: 20px;
        box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
        transition: all 0.3s ease;
    }
    
    .service-card:hover {
        transform: translateY(-5px);
        box-shadow: 0 15px 35px rgba(0, 0, 0, 0.15);
    }
    
    .service-icon {
        width: 65px;
        height: 65px;
        margin-bottom: 15px;
    }
    
    .service-icon i {
        font-size: 30px;
    }
    
    .service-card h3 {
        font-size: 1.3rem;
        margin-bottom: 10px;
        color: #333;
        font-weight: 600;
    }
    
    .service-card p {
        font-size: 0.9rem;
        margin-bottom: 20px;
        line-height: 1.5;
        color: #666;
    }
    
    .service-btn {
        padding: 10px 20px;
        font-size: 0.9rem;
        border-radius: 25px;
    }
    
    .media-grid {
        gap: 25px;
    }
    
    .media-card {
        padding: 30px 20px;
    }
    
    .solutions-grid {
        gap: 20px;
    }
    
    .solution-card {
        padding: 30px 20px;
    }
    
    .cases-grid {
        gap: 25px;
    }
    
    .case-card {
        margin: 0 10px;
    }
    
    .case-header {
        padding: 20px;
    }
    
    .case-content {
        padding: 20px;
    }
    
    .contact-form {
        padding: 30px 20px;
    }
    
    .footer-content {
        gap: 30px;
        margin-left: 30px;
    }
    
    .timeline::before {
        left: 15px;
    }
    
    .timeline-date {
        min-width: 80px;
        font-size: 12px;
        padding: 8px 15px;
    }
    
    .timeline-content {
        margin-left: 40px;
        margin-right: 0;
        padding: 15px;
    }
}

/* 中等屏幕手机设备 (481px - 767px) */
@media (min-width: 481px) and (max-width: 767px) {
    /* 容器样式已移至main.css */
    /* .container {
        padding: 0 20px;
    } */
    
    /* Hero样式已移至navbar-optimization.css */
    /* .hero-title {
        font-size: 1.8rem;
        white-space: nowrap;
    }
    
    .hero-subtitle {
        font-size: 1.1rem;
    } */
    
    .advantages-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 30px;
    }
    
    .services-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 30px;
    }
    
    .media-grid {
        gap: 30px;
    }
    
    .solutions-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 25px;
    }
    
    .cases-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 30px;
    }
    
    .team-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 30px;
    }
    
    .timeline::before {
        left: 25px;
    }
    
    .timeline-item {
        flex-direction: row !important;
    }
    
    .timeline-date {
        min-width: 90px;
        font-size: 13px;
    }
    
    .timeline-content {
        margin-left: 55px;
        margin-right: 0;
    }
}

/* 横屏手机设备 */
@media (max-height: 500px) and (orientation: landscape) {
    /* Hero样式已移至navbar-optimization.css */
    /* .hero-section {
        height: 100vh;
        margin-top: 60px;
    }
    
    .hero-title {
        font-size: 2.5rem;
        margin-bottom: 15px;
    }
    
    .hero-subtitle {
        font-size: 1.2rem;
        margin-bottom: 30px;
    } */
    
    .hero-dots {
        bottom: 30px;
    }
    
    .advantages-section {
        padding: 50px 0;
    }
    
    .media-section {
        padding: 50px 0;
    }
    
    .services-overview {
        padding: 50px 0;
    }
    
    .cases-showcase {
        padding: 50px 0;
    }
    
    .cases-showcase .section-subtitle {
        font-size: 1rem;
        margin-bottom: 40px;
    }
    
    .cases-grid {
        grid-template-columns: 1fr;
        gap: 25px;
    }
    
    .case-card {
        margin: 0 15px;
    }
    
    .case-header {
        height: 200px; /* 移动端减小图片高度 */
    }
    
    .case-image {
        height: 100%;
    }
    
    .case-body {
        padding: 25px 20px;
    }
    
    .case-title {
        font-size: 1.2rem;
        margin-bottom: 20px;
    }
    
    .info-item {
        margin-bottom: 12px;
        padding: 10px 0;
    }
    
    .info-item i {
        font-size: 0.9rem;
        width: 18px;
    }
    
    .info-label {
        min-width: 70px;
        font-size: 0.85rem;
    }
    
    .info-value {
        font-size: 0.85rem;
    }
    
    .case-metrics {
        gap: 15px;
        margin-bottom: 20px;
    }
    
    .metric {
        max-width: 100px;
    }
    
    .metric-value {
        font-size: 1.4rem;
    }
    
    /* AI智能体服务页面数字优化 */
    .ai-stat-number {
        font-size: 2.2rem !important;
        text-shadow: 0 2px 8px rgba(0, 0, 0, 0.6) !important;
    }
    
    .impact-metric .metric-value {
        font-size: 2.2rem !important;
        text-shadow: 0 2px 8px rgba(0, 0, 0, 0.7) !important;
    }
    
    .impact-metric {
        padding: 16px 25px !important;
        min-width: 140px !important;
    }
    
    .case-link {
        padding: 12px 20px;
        font-size: 0.9rem;
    }
    
    .clients-showcase {
        padding: 50px 0;
    }
    
    .clients-showcase .section-subtitle {
        font-size: 1rem;
        margin-bottom: 40px;
    }
    
    .clients-logo-wall {
        gap: 25px;
    }
    
    .logo-row {
        gap: 20px;
        flex-wrap: wrap;
        justify-content: center;
    }
    
    .client-logo {
        width: 100px;
        height: 70px;
        padding: 12px;
    }
}

/* 高分辨率屏幕 (Retina) */
@media (-webkit-min-device-pixel-ratio: 2), (min-resolution: 192dpi) {
    /* Logo样式已移至navbar-optimization.css */
    
    .case-logo {
        image-rendering: -webkit-optimize-contrast;
        image-rendering: crisp-edges;
    }
    
    .member-photo {
        image-rendering: -webkit-optimize-contrast;
        image-rendering: crisp-edges;
    }
}

/* 打印样式 */
@media print {
    .navbar,
    .hero-dots,
    .hamburger,
    .btn,
    .service-btn,
    .case-link,
    .company-qr-code,
    .contact-form {
        display: none !important;
    }
    
    .hero-section {
        height: auto;
        margin-top: 0;
        background: white !important;
        color: black !important;
    }
    
    .hero-title,
    .hero-subtitle {
        color: black !important;
    }
    
    .page-banner {
        background: white !important;
        color: black !important;
    }
    
    .page-banner h2,
    .page-banner p {
        color: black !important;
    }
    
    .advantage-item,
    .service-card,
    .media-card,
    .case-item,
    .solution-card,
    .case-card,
    .team-member {
        box-shadow: none !important;
        border: 1px solid #ddd !important;
    }
    
    .footer {
        background: white !important;
        color: black !important;
    }
    
    .footer-section h4,
    .footer-section p,
    .footer-section ul li a,
    .footer-section p a {
        color: black !important;
    }
    
    body {
        font-size: 12pt;
        line-height: 1.4;
    }
    
    h1, h2, h3, h4, h5, h6 {
        page-break-after: avoid;
    }
    
    .page-banner,
    section {
        page-break-inside: avoid;
    }
}

/* 减少动画效果 (用户偏好设置) */
@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
    
    .hero-slide {
        transition: none;
    }
    
    .advantage-item:hover,
    .service-card:hover,
    .media-card:hover,
    .case-item:hover,
    .solution-card:hover,
    /* .case-card:hover, */
    .scenario-card:hover {
        transform: none;
    }
    
    .btn:hover,
    .service-btn:hover,
    .contact-btn:hover {
        transform: none;
    }
}

/* 高对比度模式 */
@media (prefers-contrast: high) {
    .btn-primary {
        background: #000;
        color: #fff;
        border: 2px solid #000;
    }
    
    .btn-secondary {
        background: #fff;
        color: #000;
        border: 2px solid #000;
    }
    
    .nav-link::after {
        background: #000;
    }
    
    .advantage-icon,
    .media-icon,
    .service-icon {
        background: #000;
    }
    
    .step-number {
        background: #000;
    }
    
    .solution-card:hover {
        background: #000;
    }
}

/* 深色模式支持已移除 - 统一使用浅色主题 */
/* 所有页面现在都使用一致的浅色主题，提供更好的用户体验 */