/* 响应式样式 */

/* 桌面端小屏幕 (最大1200px) */
@media (max-width: 1200px) {
    .container {
        width: 95%;
    }
    
    .about-content {
        gap: 30px;
    }
}

/* 平板电脑 (最大992px) */
@media (max-width: 992px) {
    .hero h1 {
        font-size: 40px;
    }
    
    .hero p {
        font-size: 18px;
    }
    
    .about-content {
        flex-direction: column;
    }
    
    .about-text {
        order: 2;
    }
    
    .about-image {
        order: 1;
        margin-bottom: 30px;
    }
    
    .service-card {
        padding: 25px 15px;
    }
    
    .contact-item {
        width: 220px;
    }
    
    /* 优化联系页面在平板设备上的布局 */
    .contact-container {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .form-container, .map-container {
        width: 100%;
    }
    
    .map-container {
        height: 450px;
    }
    
    /* 改进服务页面平板布局 */
    .service-item, .service-item.reverse {
        flex-direction: column;
        gap: 30px;
    }
    
    .service-image {
        width: 100%;
        margin-bottom: 20px;
    }
    
    .service-content {
        width: 100%;
    }
    
    .solution-wrapper {
        flex-direction: column;
    }
    
    .solution-wrapper.reverse {
        flex-direction: column;
    }
    
    .solution-content {
        order: 2;
    }
    
    .solution-image {
        order: 1;
        margin-bottom: 30px;
    }
    
    .benefits-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* 平板和手机 (最大768px) */
@media (max-width: 768px) {
    header .container {
        padding: 10px 15px;
    }
    
    .nav-links {
        position: fixed;
        top: 70px;
        left: -100%;
        width: 100%;
        height: 100vh;
        background-color: #fff;
        flex-direction: column;
        align-items: center;
        padding-top: 50px;
        transition: 0.5s;
        z-index: 999;
    }
    
    .nav-links.active {
        left: 0;
    }
    
    .nav-links li {
        margin: 15px 0;
    }
    
    .menu-toggle {
        display: block;
    }
    
    .hero {
        padding: 120px 0 80px;
        text-align: center;
    }
    
    .hero-content {
        margin: 0 auto;
    }
    
    .hero h1 {
        font-size: 32px;
    }
    
    .hero p {
        font-size: 16px;
    }
    
    .hero-buttons {
        justify-content: center;
    }
    
    .section-header h2 {
        font-size: 28px;
    }
    
    .section-header p {
        font-size: 16px;
    }
    
    .services, .about-overview, .case-studies, .contact-overview {
        padding: 60px 0;
    }
    
    .service-card {
        margin-bottom: 20px;
    }
    
    /* 优化联系页面在手机上的布局 */
    .contact-form-section {
        padding: 60px 0;
    }
    
    .form-container {
        padding: 30px 20px;
    }
    
    .map-container {
        height: 350px;
    }
    
    .contact-form .form-group {
        margin-bottom: 15px;
    }
    
    .contact-form input, 
    .contact-form select, 
    .contact-form textarea {
        padding: 10px;
        font-size: 15px;
    }
    
    .contact-form textarea {
        height: 120px;
    }
    
    /* 优化FAQ部分在手机上的布局 */
    .faq-section {
        padding: 60px 0;
    }
    
    .faq-question h3 {
        font-size: 16px;
    }
    
    .faq-question {
        padding: 15px;
    }
    
    .faq-answer p {
        font-size: 14px;
        padding-bottom: 15px;
    }
    
    /* 改进服务页面布局 */
    .service-detail {
        padding: 60px 0;
    }
    
    .service-content h2 {
        font-size: 26px;
        margin-bottom: 15px;
    }
    
    .service-content .service-icon {
        font-size: 34px;
        margin-bottom: 15px;
    }
    
    .service-features ul {
        margin-bottom: 20px;
    }
    
    .case-grid {
        grid-template-columns: 1fr;
    }
    
    .contact-info {
        gap: 20px;
    }
    
    .contact-item {
        width: 100%;
        max-width: 300px;
    }
    
    .footer-content {
        flex-direction: column;
        gap: 30px;
    }
    
    .footer-links {
        flex-direction: column;
    }
    
    .solutions-grid {
        grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    }
    
    .solution-header {
        flex-direction: column;
        text-align: center;
    }
    
    .solution-icon.large {
        margin-right: 0;
        margin-bottom: 15px;
    }
    
    .solution-features, .solution-benefits {
        text-align: left;
    }
    
    .benefits-grid {
        grid-template-columns: 1fr;
    }
    
    .cases-slider {
        grid-template-columns: 1fr;
    }
}

/* 手机端 (最大576px) */
@media (max-width: 576px) {
    .hero {
        padding: 100px 0 60px;
    }
    
    .hero h1 {
        font-size: 28px;
    }
    
    .btn {
        padding: 10px 20px;
        font-size: 14px;
    }
    
    .services-grid {
        grid-template-columns: 1fr;
    }
    
    .service-card {
        padding: 25px;
    }
    
    /* 进一步优化联系页面在小屏幕手机上的布局 */
    .contact-info-section {
        padding: 50px 0;
    }
    
    .contact-info-container {
        flex-direction: column;
        align-items: center;
    }
    
    .contact-card {
        width: 100%;
        max-width: 100%;
        margin-bottom: 20px;
    }
    
    .contact-form-section {
        padding: 50px 0;
    }
    
    .form-container {
        padding: 25px 15px;
    }
    
    .map-container {
        height: 300px;
    }
    
    /* 改进小屏手机服务页面样式 */
    .service-detail {
        padding: 50px 0;
    }
    
    .service-content {
        text-align: center;
    }
    
    .service-content .service-icon {
        margin: 0 auto 15px;
    }
    
    .service-features {
        text-align: left;
    }
    
    .service-features li {
        font-size: 14px;
    }
    
    .other-services-grid {
        grid-template-columns: 1fr;
    }
    
    /* 改进开发流程在小屏幕上的显示 */
    .process-timeline:before {
        left: 30px;
    }
    
    .process-item {
        width: 100%;
        padding-left: 60px;
    }
    
    .process-item:nth-child(even) {
        margin-left: 0;
    }
    
    .process-icon {
        width: 60px;
        height: 60px;
        font-size: 24px;
        left: 30px;
    }
    
    .process-number {
        width: 25px;
        height: 25px;
        font-size: 12px;
    }
    
    .process-content {
        width: 100%;
        margin-left: 0;
        padding: 20px;
    }
    
    .process-item:nth-child(even) .process-icon {
        left: 30px;
    }
    
    .process-item:nth-child(even) .process-content {
        margin-right: 0;
    }
    
    .about-text h2, .section-header h2 {
        font-size: 24px;
    }
    
    .about-text p, .service-card p, .case-content p {
        font-size: 14px;
    }
    
    .footer-logo, .footer-section {
        text-align: center;
        width: 100%;
    }
    
    .footer-section ul {
        display: flex;
        flex-wrap: wrap;
        justify-content: center;
        gap: 15px;
    }
    
    .footer-section li {
        margin-bottom: 0;
    }
    
    .solutions-grid {
        grid-template-columns: 1fr;
    }
    
    .solution-icon {
        font-size: 35px;
    }
    
    .solution-features li {
        font-size: 14px;
    }
}