/* ============================================
   移动端全面优化 - Mobile Optimization
   ============================================ */

/* 超大屏幕优化 (> 1400px) */
@media (min-width: 1400px) {
    .unified-hero-section {
        min-height: 100vh;
    }
    
    .hero-container {
        max-width: 1400px;
    }
    
    .brand-name {
        font-size: 72px;
    }
    
    .product-name {
        font-size: 52px;
    }
}

/* 大屏幕优化 (1024px - 1399px) */
@media (max-width: 1399px) and (min-width: 1025px) {
    .unified-hero-section {
        min-height: 90vh;
    }
    
    .brand-name {
        font-size: 60px;
    }
    
    .product-name {
        font-size: 44px;
    }
}

/* 平板优化 (768px - 1023px) */
@media (max-width: 1023px) and (min-width: 769px) {
    .unified-hero-section {
        min-height: auto;
        padding: 100px 0 140px;
    }
    
    .hero-container {
        flex-direction: column;
        text-align: center;
        gap: 40px;
    }
    
    .hero-main-content {
        max-width: 600px;
    }
    
    .brand-identity {
        text-align: center;
    }
    
    .brand-divider {
        margin: 20px auto;
    }
    
    .hero-decoration {
        display: block;
        min-width: auto;
        height: 300px;
        width: 100%;
        max-width: 400px;
        margin: 0 auto;
    }
    
    .floating-system {
        padding: 15px 20px;
        font-size: 14px;
    }
    
    .system-icon {
        width: 40px;
        height: 40px;
    }
    
    .system-icon i {
        font-size: 20px;
    }
    
    .price-showcase {
        flex-direction: column;
        gap: 20px;
        padding: 25px;
    }
    
    .feature-highlights {
        justify-content: center;
    }
    
    .cta-buttons {
        justify-content: center;
    }
}

/* 大手机横屏优化 (667px - 768px) */
@media (max-width: 768px) and (min-width: 667px) {
    .unified-hero-section {
        min-height: auto;
        padding: 80px 0 120px;
    }
    
    .brand-name {
        font-size: 44px;
    }
    
    .product-name {
        font-size: 32px;
    }
    
    .product-tagline {
        font-size: 20px;
    }
    
    .price-showcase {
        padding: 20px;
    }
    
    .price-item .amount {
        font-size: 28px;
    }
    
    .price-item.new .amount.free {
        font-size: 40px;
    }
    
    .mission-statement {
        font-size: 17px;
    }
    
    .feature-highlights {
        gap: 12px;
    }
    
    .highlight-item {
        padding: 10px 18px;
        font-size: 14px;
    }
    
    .cta-buttons {
        gap: 15px;
    }
    
    .btn-primary-cta,
    .btn-secondary-cta {
        padding: 15px 30px;
        font-size: 16px;
    }
}

/* 标准手机优化 (480px - 666px) */
@media (max-width: 666px) and (min-width: 481px) {
    .unified-hero-section {
        min-height: auto;
        padding: 60px 0 100px;
    }
    
    .hero-container {
        padding: 0 15px;
    }
    
    .brand-badge {
        padding: 8px 18px;
        font-size: 12px;
        margin-bottom: 20px;
    }
    
    .brand-name {
        font-size: 36px;
    }
    
    .brand-divider {
        width: 60px;
        height: 3px;
        margin: 15px auto;
    }
    
    .product-name {
        font-size: 28px;
    }
    
    .product-tagline {
        font-size: 18px;
    }
    
    .price-showcase {
        flex-direction: column;
        gap: 15px;
        padding: 20px 15px;
        margin-bottom: 25px;
    }
    
    .price-item .label {
        font-size: 12px;
    }
    
    .price-item.old .amount {
        font-size: 24px;
    }
    
    .price-item.new .amount.free {
        font-size: 36px;
    }
    
    .price-arrow {
        font-size: 24px;
    }
    
    .mission-statement {
        font-size: 15px;
        line-height: 1.6;
        flex-direction: column;
        text-align: center;
        gap: 8px;
    }
    
    .mission-statement i {
        font-size: 20px;
    }
    
    .feature-highlights {
        flex-direction: column;
        gap: 10px;
        margin-bottom: 30px;
    }
    
    .highlight-item {
        justify-content: center;
        padding: 10px 20px;
        font-size: 14px;
    }
    
    .cta-buttons {
        flex-direction: column;
        gap: 12px;
        width: 100%;
    }
    
    .btn-primary-cta,
    .btn-secondary-cta {
        width: 100%;
        justify-content: center;
        padding: 14px 25px;
        font-size: 15px;
    }
    
    .hero-decoration {
        display: none;
    }
}

/* 小手机优化 (375px - 479px) */
@media (max-width: 480px) and (min-width: 376px) {
    .unified-hero-section {
        min-height: auto;
        padding: 50px 0 80px;
    }
    
    .hero-container {
        padding: 0 12px;
    }
    
    .brand-badge {
        padding: 6px 14px;
        font-size: 11px;
        margin-bottom: 15px;
    }
    
    .brand-name {
        font-size: 30px;
        margin-bottom: 12px;
    }
    
    .brand-divider {
        width: 50px;
        height: 3px;
        margin: 12px auto;
    }
    
    .product-name {
        font-size: 24px;
        margin-bottom: 10px;
    }
    
    .product-tagline {
        font-size: 16px;
    }
    
    .value-proposition {
        margin-bottom: 25px;
    }
    
    .price-showcase {
        flex-direction: column;
        gap: 12px;
        padding: 18px 12px;
        margin-bottom: 20px;
        border-radius: 15px;
    }
    
    .price-item .label {
        font-size: 11px;
        margin-bottom: 5px;
    }
    
    .price-item.old .amount {
        font-size: 20px;
    }
    
    .price-item.new .amount.free {
        font-size: 32px;
    }
    
    .price-arrow {
        font-size: 20px;
    }
    
    .mission-statement {
        font-size: 14px;
        line-height: 1.5;
        flex-direction: column;
        text-align: center;
        gap: 6px;
        margin-bottom: 25px;
    }
    
    .mission-statement i {
        font-size: 18px;
    }
    
    .feature-highlights {
        flex-direction: column;
        gap: 8px;
        margin-bottom: 25px;
    }
    
    .highlight-item {
        justify-content: center;
        padding: 8px 16px;
        font-size: 13px;
        border-radius: 20px;
    }
    
    .highlight-item i {
        font-size: 14px;
    }
    
    .cta-buttons {
        flex-direction: column;
        gap: 10px;
        width: 100%;
    }
    
    .btn-primary-cta,
    .btn-secondary-cta {
        width: 100%;
        justify-content: center;
        padding: 12px 20px;
        font-size: 14px;
        border-radius: 25px;
    }
    
    .btn-primary-cta i,
    .btn-secondary-cta i {
        font-size: 14px;
    }
    
    .hero-decoration {
        display: none;
    }
    
    .hero-wave svg {
        height: 80px;
    }
}

/* 超小手机优化 (< 375px) */
@media (max-width: 375px) {
    .unified-hero-section {
        min-height: auto;
        padding: 40px 0 70px;
    }
    
    .hero-container {
        padding: 0 10px;
    }
    
    .brand-badge {
        padding: 5px 12px;
        font-size: 10px;
        margin-bottom: 12px;
    }
    
    .brand-badge i {
        font-size: 12px;
    }
    
    .brand-name {
        font-size: 26px;
        margin-bottom: 10px;
    }
    
    .brand-divider {
        width: 40px;
        height: 2px;
        margin: 10px auto;
    }
    
    .product-name {
        font-size: 20px;
        margin-bottom: 8px;
    }
    
    .product-tagline {
        font-size: 14px;
    }
    
    .value-proposition {
        margin-bottom: 20px;
    }
    
    .price-showcase {
        flex-direction: column;
        gap: 10px;
        padding: 15px 10px;
        margin-bottom: 18px;
        border-radius: 12px;
    }
    
    .price-item .label {
        font-size: 10px;
        margin-bottom: 4px;
    }
    
    .price-item.old .amount {
        font-size: 18px;
    }
    
    .price-item.new .amount.free {
        font-size: 28px;
    }
    
    .price-arrow {
        font-size: 18px;
    }
    
    .mission-statement {
        font-size: 13px;
        line-height: 1.5;
        flex-direction: column;
        text-align: center;
        gap: 5px;
        margin-bottom: 20px;
    }
    
    .mission-statement i {
        font-size: 16px;
    }
    
    .feature-highlights {
        flex-direction: column;
        gap: 6px;
        margin-bottom: 20px;
    }
    
    .highlight-item {
        justify-content: center;
        padding: 6px 14px;
        font-size: 12px;
        border-radius: 18px;
    }
    
    .highlight-item i {
        font-size: 12px;
    }
    
    .cta-buttons {
        flex-direction: column;
        gap: 8px;
        width: 100%;
    }
    
    .btn-primary-cta,
    .btn-secondary-cta {
        width: 100%;
        justify-content: center;
        padding: 10px 18px;
        font-size: 13px;
        border-radius: 22px;
        gap: 8px;
    }
    
    .btn-primary-cta i,
    .btn-secondary-cta i {
        font-size: 13px;
    }
    
    .hero-decoration {
        display: none;
    }
    
    .hero-wave svg {
        height: 60px;
    }
}

/* 产品服务区域移动端优化 */
@media (max-width: 768px) {
    .products-section {
        padding: 60px 0;
    }
    
    .section-header {
        margin-bottom: 40px;
    }
    
    .section-title {
        font-size: 28px;
    }
    
    .section-subtitle {
        font-size: 14px;
    }
    
    .products-grid {
        grid-template-columns: 1fr;
        gap: 20px;
        margin-top: 30px;
    }
    
    .product-card {
        padding: 25px 20px;
        border-radius: 12px;
    }
    
    .product-icon {
        width: 60px;
        height: 60px;
        border-radius: 12px;
        margin-bottom: 20px;
    }
    
    .product-icon i {
        font-size: 28px;
    }
    
    .product-title {
        font-size: 20px;
        margin-bottom: 12px;
    }
    
    .product-desc {
        font-size: 14px;
        line-height: 1.6;
        margin-bottom: 15px;
    }
    
    .product-features li {
        padding: 6px 0;
        font-size: 13px;
    }
    
    .product-features li i {
        font-size: 14px;
        margin-right: 8px;
    }
}

@media (max-width: 480px) {
    .products-section {
        padding: 50px 0;
    }
    
    .section-title {
        font-size: 24px;
    }
    
    .section-subtitle {
        font-size: 13px;
    }
    
    .product-card {
        padding: 20px 15px;
    }
    
    .product-icon {
        width: 50px;
        height: 50px;
        border-radius: 10px;
        margin-bottom: 15px;
    }
    
    .product-icon i {
        font-size: 24px;
    }
    
    .product-title {
        font-size: 18px;
        margin-bottom: 10px;
    }
    
    .product-desc {
        font-size: 13px;
        margin-bottom: 12px;
    }
    
    .product-features li {
        padding: 5px 0;
        font-size: 12px;
    }
    
    .product-features li i {
        font-size: 13px;
        margin-right: 6px;
    }
}

/* AI 功能区域移动端优化 */
@media (max-width: 768px) {
    .ai-feature-section {
        padding: 60px 0;
    }
    
    .ai-feature-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .ai-feature-card {
        padding: 25px 20px;
        border-radius: 12px;
    }
    
    .ai-feature-icon {
        width: 60px;
        height: 60px;
        border-radius: 12px;
        margin-bottom: 20px;
    }
    
    .ai-feature-icon i {
        font-size: 28px;
    }
    
    .ai-feature-title {
        font-size: 20px;
        margin-bottom: 12px;
    }
    
    .ai-feature-desc {
        font-size: 14px;
        line-height: 1.6;
    }
}

@media (max-width: 480px) {
    .ai-feature-section {
        padding: 50px 0;
    }
    
    .ai-feature-card {
        padding: 20px 15px;
    }
    
    .ai-feature-icon {
        width: 50px;
        height: 50px;
        margin-bottom: 15px;
    }
    
    .ai-feature-icon i {
        font-size: 24px;
    }
    
    .ai-feature-title {
        font-size: 18px;
        margin-bottom: 10px;
    }
    
    .ai-feature-desc {
        font-size: 13px;
    }
}

/* 核心功能区域移动端优化 */
@media (max-width: 768px) {
    .features-section {
        padding: 60px 0;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .feature-card {
        padding: 25px 20px;
        border-radius: 12px;
    }
    
    .feature-icon {
        width: 60px;
        height: 60px;
        border-radius: 12px;
        margin-bottom: 20px;
    }
    
    .feature-icon i {
        font-size: 28px;
    }
    
    .feature-title {
        font-size: 20px;
        margin-bottom: 12px;
    }
    
    .feature-desc {
        font-size: 14px;
        line-height: 1.6;
    }
}

@media (max-width: 480px) {
    .features-section {
        padding: 50px 0;
    }
    
    .feature-card {
        padding: 20px 15px;
    }
    
    .feature-icon {
        width: 50px;
        height: 50px;
        margin-bottom: 15px;
    }
    
    .feature-icon i {
        font-size: 24px;
    }
    
    .feature-title {
        font-size: 18px;
        margin-bottom: 10px;
    }
    
    .feature-desc {
        font-size: 13px;
    }
}

/* 优势区域移动端优化 */
@media (max-width: 768px) {
    .benefits-section {
        padding: 60px 0;
    }
    
    .benefits-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .benefit-item {
        padding: 25px 20px;
        border-radius: 12px;
    }
    
    .benefit-number {
        font-size: 36px;
        margin-bottom: 15px;
    }
    
    .benefit-title {
        font-size: 20px;
        margin-bottom: 12px;
    }
    
    .benefit-desc {
        font-size: 14px;
        line-height: 1.6;
    }
}

@media (max-width: 480px) {
    .benefits-section {
        padding: 50px 0;
    }
    
    .benefit-item {
        padding: 20px 15px;
    }
    
    .benefit-number {
        font-size: 30px;
        margin-bottom: 12px;
    }
    
    .benefit-title {
        font-size: 18px;
        margin-bottom: 10px;
    }
    
    .benefit-desc {
        font-size: 13px;
    }
}

/* CTA 区域移动端优化 */
@media (max-width: 768px) {
    .cta-section {
        padding: 60px 0;
    }
    
    .cta-title {
        font-size: 32px;
        margin-bottom: 15px;
    }
    
    .cta-desc {
        font-size: 16px;
        margin-bottom: 30px;
    }
    
    .cta-button {
        padding: 14px 35px;
        font-size: 16px;
    }
}

@media (max-width: 480px) {
    .cta-section {
        padding: 50px 0;
    }
    
    .cta-title {
        font-size: 26px;
        margin-bottom: 12px;
    }
    
    .cta-desc {
        font-size: 14px;
        margin-bottom: 25px;
    }
    
    .cta-button {
        padding: 12px 30px;
        font-size: 15px;
    }
}

/* 免费高亮区域移动端优化 */
@media (max-width: 768px) {
    .free-highlight-section {
        padding: 60px 0;
    }
    
    .free-highlight-content {
        padding: 30px 20px;
        border-radius: 16px;
    }
    
    .free-highlight-title {
        font-size: 28px;
        margin-bottom: 15px;
    }
    
    .free-highlight-desc {
        font-size: 16px;
        margin-bottom: 25px;
    }
    
    .free-highlight-features {
        gap: 15px;
    }
    
    .free-feature {
        padding: 15px 20px;
        font-size: 15px;
    }
}

@media (max-width: 480px) {
    .free-highlight-section {
        padding: 50px 0;
    }
    
    .free-highlight-content {
        padding: 25px 15px;
    }
    
    .free-highlight-title {
        font-size: 24px;
        margin-bottom: 12px;
    }
    
    .free-highlight-desc {
        font-size: 14px;
        margin-bottom: 20px;
    }
    
    .free-highlight-features {
        flex-direction: column;
        gap: 10px;
    }
    
    .free-feature {
        padding: 12px 18px;
        font-size: 14px;
    }
}

/* 横屏模式特殊优化 */
@media (max-height: 500px) and (orientation: landscape) {
    .unified-hero-section {
        min-height: auto;
        padding: 40px 0 60px;
    }
    
    .brand-name {
        font-size: 32px;
    }
    
    .product-name {
        font-size: 24px;
    }
    
    .hero-decoration {
        display: none;
    }
    
    .feature-highlights {
        flex-direction: row;
        flex-wrap: wrap;
        justify-content: center;
    }
    
    .cta-buttons {
        flex-direction: row;
        justify-content: center;
    }
    
    .btn-primary-cta,
    .btn-secondary-cta {
        width: auto;
    }
}

/* 高分辨率屏幕优化 */
@media (-webkit-min-device-pixel-ratio: 2), (min-resolution: 192dpi) {
    .brand-name,
    .product-name,
    .product-tagline,
    .mission-statement {
        text-rendering: optimizeLegibility;
        -webkit-font-smoothing: antialiased;
        -moz-osx-font-smoothing: grayscale;
    }
}

/* 打印样式优化 */
@media print {
    .unified-hero-section {
        background: #fff;
        color: #000;
        min-height: auto;
        padding: 20px 0;
    }
    
    .hero-decoration,
    .hero-wave,
    .particle-layer {
        display: none;
    }
    
    .brand-name,
    .product-name,
    .product-tagline {
        color: #000;
        text-shadow: none;
    }
    
    .btn-primary-cta,
    .btn-secondary-cta {
        display: none;
    }
}