/**
 * 响应式样式 - 药企流向数据智能处理平台官网
 * 适配不同设备和屏幕尺寸
 */

/* 大屏幕设备 (1200px 以上) */
@media (min-width: 1200px) {
    .container {
        max-width: 1200px;
    }
    
    .hero-title {
        font-size: 64px;
    }
    
    .hero-subtitle {
        font-size: 22px;
    }
    
    .section-title {
        font-size: 48px;
    }
    
    .hero-stats {
        gap: 48px;
    }
    
    .stat-number {
        font-size: 42px;
    }
}

/* 中等屏幕设备 (992px - 1199px) */
@media (max-width: 1199px) and (min-width: 992px) {
    .container {
        max-width: 960px;
    }
    
    .hero-title {
        font-size: 52px;
    }
    
    .hero-subtitle {
        font-size: 20px;
    }
    
    .section-title {
        font-size: 42px;
    }
    
    .hero-stats {
        gap: 40px;
    }
    
    .stat-number {
        font-size: 38px;
    }
}

/* 小屏幕设备 (768px - 991px) */
@media (max-width: 991px) and (min-width: 768px) {
    .container {
        max-width: 720px;
        padding: 0 20px;
    }
    
    /* 导航栏调整 */
    .nav-menu {
        gap: 24px;
    }
    
    .nav-link {
        font-size: 14px;
    }
    
    /* 英雄区调整 */
    .hero {
        padding: 100px 0 48px;
    }
    
    .hero-content {
        grid-template-columns: 1fr;
        gap: 48px;
        text-align: center;
    }
    
    .hero-title {
        font-size: 44px;
    }
    
    .hero-subtitle {
        font-size: 18px;
    }
    
    .hero-stats {
        justify-content: center;
        gap: 32px;
    }
    
    .stat-number {
        font-size: 32px;
    }
    
    .hero-buttons {
        justify-content: center;
    }
    
    /* 价值主张调整 */
    .value-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 24px;
    }
    
    /* 增强版价值主张响应式 */
    .value-grid-enhanced {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--spacing-lg);
    }
    
    .value-card-enhanced {
        padding: var(--spacing-xl);
    }
    
    .value-icon-enhanced {
        width: 70px;
        height: 70px;
        font-size: 28px;
    }
    
    .value-number {
        width: 35px;
        height: 35px;
        font-size: 14px;
    }
    
    /* 解决方案调整 */
    .solutions-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 24px;
    }
    
    .value-card {
        padding: 24px;
    }
    
    .value-icon {
        width: 70px;
        height: 70px;
        font-size: 28px;
    }
    
    /* 功能展示调整 */
    .feature-showcase {
        grid-template-columns: 1fr;
        gap: 32px;
    }
    
    .tab-nav {
        flex-direction: column;
        gap: 8px;
    }
    
    .tab-btn {
        padding: 12px 20px;
    }
    
    /* 解决方案调整 */
    .solutions-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 24px;
    }
    
    .solution-card {
        padding: 24px;
    }
    
    /* 技术架构调整 */
    .tech-overview {
        grid-template-columns: 1fr;
        gap: 32px;
    }
    
    .tech-features {
        grid-template-columns: repeat(2, 1fr);
        gap: 16px;
    }
    
    .tech-categories {
        grid-template-columns: repeat(2, 1fr);
        gap: 24px;
    }
    
    /* 客户案例调整 */
    .cases-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 24px;
    }
    
    .case-card {
        padding: 24px;
    }
    
    /* 价格方案调整 */
    .pricing-cards {
        grid-template-columns: repeat(2, 1fr);
        gap: 24px;
    }
    
    .pricing-card {
        padding: 24px;
    }
    
    .pricing-card.featured {
        transform: scale(1.02);
    }
    
    /* 联系我们调整 */
    .contact-methods-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--spacing-md);
    }
    
    .contact-form-section {
        padding: var(--spacing-lg);
    }
    
    .form-row {
        grid-template-columns: 1fr;
        gap: var(--spacing-sm);
    }
    
    /* 页脚调整 */
    .footer-content {
        grid-template-columns: 2fr 1fr 1fr;
        gap: 32px;
    }
}

/* 移动设备 (576px - 767px) */
@media (max-width: 767px) and (min-width: 576px) {
    .container {
        max-width: 540px;
        padding: 0 16px;
    }
    
    /* 导航栏移动版 */
    .navbar .container {
        padding: 12px 16px;
    }
    
    .nav-menu {
        display: none;
    }
    
    .nav-toggle {
        display: flex;
    }
    
    .brand-name {
        font-size: 20px;
    }
    
    .logo {
        height: 32px;
    }
    
    /* 英雄区移动版 */
    .hero {
        padding: 80px 0 32px;
        min-height: 80vh;
    }
    
    .hero-content {
        grid-template-columns: 1fr;
        gap: 32px;
        text-align: center;
    }
    
    .hero-title {
        font-size: 36px;
        line-height: 1.3;
    }
    
    .hero-subtitle {
        font-size: 16px;
    }
    
    .hero-stats {
        flex-wrap: wrap;
        gap: 24px;
        justify-content: center;
    }
    
    .stat-item {
        min-width: 120px;
    }
    
    .stat-number {
        font-size: 28px;
    }
    
    .stat-label {
        font-size: 12px;
    }
    
    .hero-buttons {
        flex-direction: column;
        gap: 16px;
        align-items: center;
    }
    
    .btn {
        width: 100%;
        max-width: 280px;
    }
    
    /* 区块间距调整 */
    section {
        padding: 48px 0;
    }
    
    .section-title {
        font-size: 32px;
        margin-bottom: 32px;
    }
    
    /* 价值主张移动版 */
    .value-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    /* 增强版价值主张移动版 - 保持2x2布局 */
    .value-grid-enhanced {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--spacing-md);
    }
    
    .value-card-enhanced {
        padding: var(--spacing-lg);
    }
    
    .value-card-enhanced h3 {
        font-size: 16px;
    }
    
    .value-card-enhanced p {
        font-size: 13px;
        line-height: 1.5;
    }
    
    .value-icon-enhanced {
        width: 60px;
        height: 60px;
        font-size: 24px;
    }
    
    .value-number {
        width: 30px;
        height: 30px;
        font-size: 12px;
        top: -8px;
        right: -8px;
    }
    
    .metric-value {
        font-size: 14px;
    }
    
    /* 解决方案移动版 */
    .solutions-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .value-card {
        padding: 20px;
    }
    
    .value-icon {
        width: 60px;
        height: 60px;
        font-size: 24px;
    }
    
    .value-card h3 {
        font-size: 20px;
    }
    
    /* 功能展示移动版 */
    .features-tabs {
        margin: 0 -16px;
    }
    
    .tab-nav {
        flex-direction: column;
        gap: 4px;
        margin: 0 16px 32px;
    }
    
    .tab-btn {
        padding: 12px 16px;
        font-size: 14px;
    }
    
    .feature-showcase {
        grid-template-columns: 1fr;
        gap: 24px;
        padding: 24px 16px;
    }
    
    .feature-text h3 {
        font-size: 24px;
    }
    
    .feature-text p {
        font-size: 14px;
    }
    
    .feature-list li {
        font-size: 14px;
    }
    
    /* 解决方案移动版 */
    .solutions-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .solution-card {
        padding: 20px;
    }
    
    .solution-icon {
        width: 50px;
        height: 50px;
        font-size: 20px;
    }
    
    .solution-card h3 {
        font-size: 20px;
    }
    
    .solution-features {
        font-size: 14px;
    }
    
    .solution-meta {
        margin-bottom: 16px;
    }
    
    .job-title {
        font-size: 13px;
    }
    
    .scale-info {
        font-size: 11px;
        padding: 4px 8px;
    }
    
    .solution-benefit {
        margin-top: 16px;
        padding: 12px;
    }
    
    .solutions-stats {
        grid-template-columns: repeat(2, 1fr);
        gap: 16px;
        margin-top: 24px;
    }
    
    .stat-item {
        padding: 16px;
    }
    
    .stat-item h4 {
        font-size: 28px;
    }
    
    /* 技术架构移动版 */
    .tech-overview {
        grid-template-columns: 1fr;
        gap: 24px;
    }
    
    .tech-content h3 {
        font-size: 24px;
    }
    
    .tech-features {
        grid-template-columns: 1fr;
        gap: 12px;
    }
    
    .tech-feature {
        padding: 16px;
    }
    
    .tech-stack {
        padding: 24px 16px;
    }
    
    .tech-categories {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    /* 客户案例移动版 */
    .cases-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .case-card {
        padding: 20px;
    }
    
    .case-header {
        flex-direction: column;
        text-align: center;
        gap: 12px;
    }
    
    .case-logo {
        width: 50px;
        height: 50px;
    }
    
    .case-metrics {
        flex-direction: column;
        gap: 16px;
    }
    
    .metric-value {
        font-size: 20px;
    }
    
    /* 价格方案移动版 */
    .pricing-cards {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .pricing-card {
        padding: 20px;
    }
    
    .pricing-card.featured {
        transform: none;
        order: -1;
    }
    
    .amount {
        font-size: 36px;
    }
    
    .pricing-features li {
        font-size: 14px;
    }
    
    /* 联系我们移动版 */
    .contact-methods-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }
    
    .contact-method-card {
        padding: var(--spacing-md);
    }
    
    .contact-icon {
        width: 36px;
        height: 36px;
        font-size: 14px;
    }
    
    .contact-method-card h4 {
        font-size: 15px;
    }
    
    .contact-method-card p {
        font-size: 13px;
    }
    
    .contact-form-section {
        padding: var(--spacing-lg);
    }
    
    .form-header h3 {
        font-size: 18px;
    }
    
    .form-header p {
        font-size: 13px;
    }
    
    .form-row {
        grid-template-columns: 1fr;
        gap: var(--spacing-sm);
    }
    
    .qr-code-mini img {
        width: 50px;
        height: 50px;
    }
    
    .form-group input,
    .form-group textarea {
        padding: 12px;
        font-size: 14px;
    }
    
    /* 页脚移动版 */
    .footer-content {
        grid-template-columns: 1fr;
        gap: 24px;
        text-align: center;
    }
    
    .footer-logo {
        justify-content: center;
    }
    
    .social-links {
        justify-content: center;
    }
    
    .footer-section ul {
        display: flex;
        flex-wrap: wrap;
        gap: 16px;
        justify-content: center;
    }
    
    .footer-bottom {
        font-size: 12px;
    }
    
    /* 返回顶部按钮移动版 */
    .back-to-top {
        bottom: 20px;
        right: 20px;
        width: 45px;
        height: 45px;
        font-size: 16px;
    }
}

/* 超小屏幕设备 (小于576px) */
@media (max-width: 575px) {
    .container {
        padding: 0 12px;
    }
    
    /* 导航栏超小屏 */
    .navbar .container {
        padding: 8px 12px;
    }
    
    .brand-name {
        font-size: 18px;
    }
    
    .logo {
        height: 28px;
    }
    
    /* 英雄区超小屏 */
    .hero {
        padding: 70px 0 24px;
        min-height: 70vh;
    }
    
    .hero-title {
        font-size: 28px;
        line-height: 1.4;
    }
    
    .hero-subtitle {
        font-size: 14px;
    }
    
    .hero-stats {
        gap: 16px;
    }
    
    .stat-item {
        min-width: 80px;
    }
    
    .stat-number {
        font-size: 24px;
    }
    
    .stat-label {
        font-size: 10px;
    }
    
    .hero-buttons {
        gap: 12px;
    }
    
    .btn {
        height: 44px;
        font-size: 14px;
        padding: 12px 24px;
    }
    
    /* 区块间距超小屏 */
    section {
        padding: 32px 0;
    }
    
    .section-title {
        font-size: 28px;
        margin-bottom: 24px;
    }
    
    /* 价值主张超小屏 */
    .value-card {
        padding: 16px;
    }
    
    .value-icon {
        width: 50px;
        height: 50px;
        font-size: 20px;
    }
    
    .value-card h3 {
        font-size: 18px;
    }
    
    .value-card p {
        font-size: 14px;
    }
    
    /* 功能展示超小屏 */
    .feature-showcase {
        padding: 20px 12px;
    }
    
    .feature-text h3 {
        font-size: 20px;
    }
    
    .feature-text p {
        font-size: 13px;
    }
    
    .feature-list li {
        font-size: 13px;
    }
    
    /* 解决方案超小屏 */
    .solution-card {
        padding: 16px;
    }
    
    .solution-icon {
        width: 40px;
        height: 40px;
        font-size: 18px;
    }
    
    .solution-card h3 {
        font-size: 18px;
    }
    
    .solution-card p {
        font-size: 13px;
    }
    
    .solution-features {
        font-size: 13px;
    }
    
    /* 技术架构超小屏 */
    .tech-content h3 {
        font-size: 20px;
    }
    
    .tech-content p {
        font-size: 13px;
    }
    
    .tech-feature {
        padding: 12px;
    }
    
    .tech-stack {
        padding: 20px 12px;
    }
    
    .tech-stack h3 {
        font-size: 20px;
    }
    
    .tech-item {
        font-size: 12px;
        padding: 6px 10px;
    }
    
    /* 客户案例超小屏 */
    .case-card {
        padding: 16px;
    }
    
    .case-info h3 {
        font-size: 16px;
    }
    
    .case-info p {
        font-size: 12px;
    }
    
    .case-content p {
        font-size: 13px;
    }
    
    .metric-value {
        font-size: 18px;
    }
    
    .metric-label {
        font-size: 11px;
    }
    
    /* 价格方案超小屏 */
    .pricing-card {
        padding: 16px;
    }
    
    .pricing-header h3 {
        font-size: 20px;
    }
    
    .amount {
        font-size: 32px;
    }
    
    .currency {
        font-size: 16px;
    }
    
    .period {
        font-size: 14px;
    }
    
    .pricing-features li {
        font-size: 13px;
    }
    
    /* 联系我们超小屏 */
    .contact-info h3 {
        font-size: 20px;
    }
    
    .contact-info p {
        font-size: 13px;
    }
    
    .contact-method h4 {
        font-size: 14px;
    }
    
    .contact-method p {
        font-size: 12px;
    }
    
    .contact-form {
        padding: 16px;
    }
    
    .contact-form h3 {
        font-size: 18px;
    }
    
    .form-group {
        margin-bottom: 16px;
    }
    
    .form-group input,
    .form-group textarea {
        padding: 10px;
        font-size: 14px;
    }
    
    /* 页脚超小屏 */
    .footer {
        padding: 32px 0 16px;
    }
    
    .footer-content {
        gap: 20px;
    }
    
    .footer-section h4 {
        font-size: 16px;
    }
    
    .footer-section ul {
        gap: 12px;
    }
    
    .footer-section a {
        font-size: 12px;
    }
    
    .footer-bottom {
        font-size: 11px;
        padding-top: 16px;
    }
    
    /* 返回顶部按钮超小屏 */
    .back-to-top {
        bottom: 16px;
        right: 16px;
        width: 40px;
        height: 40px;
        font-size: 14px;
    }
}

/* 横屏模式适配 */
@media (max-height: 600px) and (orientation: landscape) {
    .hero {
        min-height: 100vh;
        padding: 60px 0 24px;
    }
    
    .hero-title {
        font-size: 32px;
    }
    
    .hero-subtitle {
        font-size: 16px;
    }
    
    .hero-stats {
        gap: 20px;
    }
    
    .stat-number {
        font-size: 24px;
    }
    
    section {
        padding: 32px 0;
    }
    
    .section-title {
        font-size: 32px;
        margin-bottom: 24px;
    }
}

/* 高分辨率屏幕适配 */
@media (-webkit-min-device-pixel-ratio: 2), (min-resolution: 2dppx) {
    .hero-image img,
    .feature-image img,
    .tech-image img {
        image-rendering: -webkit-optimize-contrast;
        image-rendering: crisp-edges;
    }
}

/* 打印样式 */
@media print {
    * {
        background: transparent !important;
        color: black !important;
        text-shadow: none !important;
        filter: none !important;
        -ms-filter: none !important;
    }
    
    .navbar,
    .nav-toggle,
    .back-to-top,
    .contact-form,
    .hero-buttons,
    .pricing-card .btn {
        display: none !important;
    }
    
    body {
        font-size: 12pt;
        line-height: 1.5;
    }
    
    .hero {
        min-height: auto;
        padding: 20pt 0;
    }
    
    .hero-title {
        font-size: 24pt;
    }
    
    .section-title {
        font-size: 20pt;
        margin-bottom: 20pt;
    }
    
    section {
        padding: 20pt 0;
        page-break-inside: avoid;
    }
    
    .value-card,
    .solution-card,
    .case-card,
    .pricing-card {
        page-break-inside: avoid;
        border: 1pt solid #ccc;
        margin-bottom: 10pt;
    }
    
    .footer {
        page-break-before: always;
    }
}

/* 无障碍访问增强 */
@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
    
    .hero-image img,
    .dashboard-image {
        transform: none !important;
    }
    
    .parallax-element {
        transform: none !important;
    }
}

/* 高对比度模式 */
@media (prefers-contrast: high) {
    :root {
        --primary-color: #0066cc;
        --text-primary: #000000;
        --text-secondary: #333333;
        --border-color: #666666;
        --bg-secondary: #f5f5f5;
    }
    
    .btn {
        border: 2px solid;
    }
    
    .nav-link::after {
        height: 3px;
    }
    
    .value-card,
    .solution-card,
    .case-card,
    .pricing-card {
        border: 2px solid var(--border-color);
    }
}

/* 痛点分析响应式 */
@media (max-width: 768px) {
    .problems-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
    }
    
    .problem-card {
        padding: var(--spacing-lg);
    }
    
    .solution-benefits {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }
    
    .benefit-item {
        flex-direction: column;
        text-align: center;
        gap: var(--spacing-sm);
    }
}

/* 下载页面响应式 */
@media (max-width: 768px) {
    .download-content {
        padding: 0 var(--spacing-md);
    }
    
    .detected-system {
        flex-direction: column;
        text-align: center;
    }
    
    .system-info {
        text-align: center;
    }
    
    .download-options {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }
    
    .download-option {
        flex-direction: column;
        text-align: center;
        gap: var(--spacing-md);
    }
    
    .feature-list {
        flex-direction: column;
        align-items: center;
    }
    
    .requirements-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
    }
    
    .btn-download {
        width: 100%;
        min-width: auto;
    }
}

@media (max-width: 480px) {
    .system-icon {
        width: 60px;
        height: 60px;
        font-size: 24px;
    }
    
    .download-hero h3 {
        font-size: 24px;
    }
    
    .download-hero p {
        font-size: 16px;
    }
    
    .option-icon {
        width: 40px;
        height: 40px;
        font-size: 16px;
    }
    
    .solutions-stats {
        grid-template-columns: 1fr;
        gap: 12px;
        margin-top: 20px;
    }
    
    .stat-item h4 {
        font-size: 24px;
    }
    
    .stat-item p {
        font-size: 13px;
    }
    
    .solution-card h3 {
        font-size: 18px;
    }
    
    .job-title {
        font-size: 12px;
    }
    
    .scale-info {
        font-size: 10px;
        padding: 3px 6px;
    }
}

/* 大屏幕样式 (1200px及以上) - 确保4列布局正确显示 */
@media (min-width: 1200px) {
    .value-grid {
        grid-template-columns: repeat(4, 1fr);
        gap: 24px;
    }
    
    .solutions-grid {
        grid-template-columns: repeat(4, 1fr);
        gap: 24px;
    }
}