/* 移动端专用样式 - 战域智联AI */

/* ===== 移动端断点定义 ===== */
/* 大屏手机: 768px - 1024px */
/* 中屏手机: 480px - 768px */
/* 小屏手机: 320px - 480px */

/* ===== 移动端全局优化 ===== */
@media (max-width: 1024px) {
    /* 移动端根变量调整 */
    :root {
        --border-radius: 16px;
        --border-radius-large: 24px;
        --transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
    }

    /* 移动端容器优化 */
    .container {
        padding: 0 16px;
        max-width: 100%;
    }

    /* 移动端字体优化 */
    body {
        font-size: 16px;
        line-height: 1.5;
        -webkit-text-size-adjust: 100%;
        -webkit-font-smoothing: antialiased;
    }

    /* 移动端按钮优化 */
    .btn {
        padding: 14px 28px;
        font-size: 16px;
        border-radius: 20px;
        min-height: 48px;
        display: inline-flex;
        align-items: center;
        justify-content: center;
        touch-action: manipulation;
    }

    .btn-large {
        padding: 18px 36px;
        font-size: 18px;
        min-height: 56px;
    }

    /* 移动端导航栏优化 */
    .navbar {
        height: 60px;
        background: rgba(15, 20, 25, 0.98);
        backdrop-filter: blur(30px);
    }

    .nav-container {
        height: 60px;
        padding: 0 16px;
    }

    .nav-logo {
        gap: 8px;
    }

    .logo-icon {
        width: 36px;
        height: 36px;
        font-size: 16px;
    }

    .logo-text {
        font-size: 20px;
    }

    /* 移动端菜单按钮 */
    .mobile-menu-btn {
        display: flex;
        flex-direction: column;
        justify-content: center;
        align-items: center;
        width: 40px;
        height: 40px;
        background: rgba(255, 255, 255, 0.1);
        border: 1px solid var(--border-color);
        border-radius: 12px;
        cursor: pointer;
        transition: var(--transition);
        gap: 4px;
        padding: 8px;
    }

    .mobile-menu-btn:hover {
        background: rgba(255, 255, 255, 0.2);
        transform: scale(1.05);
    }

    .mobile-menu-btn span {
        width: 20px;
        height: 2px;
        background: var(--text-primary);
        transition: var(--transition);
        border-radius: 1px;
    }

    .mobile-menu-btn.active span:nth-child(1) {
        transform: rotate(45deg) translate(5px, 5px);
    }

    .mobile-menu-btn.active span:nth-child(2) {
        opacity: 0;
    }

    .mobile-menu-btn.active span:nth-child(3) {
        transform: rotate(-45deg) translate(7px, -6px);
    }

    /* 移动端英雄区域优化 */
    .hero {
        min-height: 100vh;
        padding: 80px 0 40px;
    }

    .hero-container {
        grid-template-columns: 1fr;
        gap: 40px;
        text-align: center;
        padding: 0 16px;
    }

    .hero-title {
        font-size: 42px;
        line-height: 1.2;
        margin-bottom: 16px;
    }

    .title-line {
        display: block;
        margin-bottom: 8px;
    }

    .title-subtitle {
        font-size: 22px;
        margin-bottom: 24px;
    }

    .hero-description {
        font-size: 18px;
        line-height: 1.6;
        margin-bottom: 32px;
        padding: 0 16px;
    }

    .hero-actions {
        flex-direction: column;
        gap: 16px;
        align-items: center;
        margin-bottom: 40px;
    }

    .hero-actions .btn {
        width: 100%;
        max-width: 280px;
        justify-content: center;
    }

    .hero-stats {
        display: grid;
        grid-template-columns: repeat(3, 1fr);
        gap: 20px;
        margin-top: 40px;
    }

    .stat-item {
        text-align: center;
        padding: 20px 16px;
        background: rgba(255, 255, 255, 0.05);
        border-radius: 16px;
        border: 1px solid var(--border-color);
        backdrop-filter: blur(10px);
    }

    .stat-number {
        font-size: 28px;
        font-weight: 700;
        margin-bottom: 8px;
        background: var(--gradient-primary);
        -webkit-background-clip: text;
        -webkit-text-fill-color: transparent;
        background-clip: text;
    }

    .stat-label {
        font-size: 14px;
        color: var(--text-secondary);
    }

    /* 移动端手机模型优化 */
    .phone-mockup {
        display: none; /* 在移动端隐藏手机模型 */
    }

    /* 移动端功能特色优化 */
    .features {
        padding: 60px 0;
    }

    .section-header {
        text-align: center;
        margin-bottom: 40px;
    }

    .section-title {
        font-size: 36px;
        margin-bottom: 16px;
    }

    .section-subtitle {
        font-size: 18px;
        padding: 0 16px;
    }

    .features-grid {
        grid-template-columns: 1fr;
        gap: 24px;
    }

    .feature-card {
        padding: 32px 24px;
        border-radius: 20px;
        text-align: center;
    }

    .feature-icon {
        width: 80px;
        height: 80px;
        font-size: 32px;
        margin: 0 auto 24px;
    }

    .feature-title {
        font-size: 24px;
        margin-bottom: 16px;
    }

    .feature-description {
        font-size: 16px;
        margin-bottom: 20px;
        line-height: 1.6;
    }

    .feature-list {
        text-align: left;
        padding-left: 20px;
    }

    .feature-list li {
        font-size: 14px;
        margin-bottom: 8px;
    }

    /* 移动端产品展示优化 */
    .products {
        padding: 60px 0;
    }

    .products-showcase {
        gap: 40px;
    }

    .product-item {
        grid-template-columns: 1fr;
        gap: 32px;
        text-align: center;
    }

    .product-visual {
        order: 1;
    }

    .product-info {
        order: 2;
        text-align: center;
    }

    .product-mockup {
        max-width: 300px;
        margin: 0 auto;
    }

    .admin-mockup {
        max-width: 350px;
        height: 320px;
        margin: 0 auto;
        padding: 16px;
    }

    .admin-showcase {
        gap: 16px;
    }

    .admin-image-placeholder {
        height: 150px;
    }

    .placeholder-content i {
        font-size: 36px;
        margin-bottom: 12px;
    }

    .placeholder-content p {
        font-size: 14px;
        margin-bottom: 6px;
    }

    .placeholder-content span {
        font-size: 11px;
    }

    .product-title {
        font-size: 28px;
        margin-bottom: 16px;
    }

    .product-description {
        font-size: 16px;
        line-height: 1.6;
        margin-bottom: 24px;
    }

    .product-features {
        justify-content: center;
        gap: 12px;
        margin-bottom: 24px;
    }

    .feature-tag {
        font-size: 12px;
        padding: 6px 12px;
    }

    .product-tech {
        justify-content: center;
        gap: 16px;
    }

    .tech-item {
        font-size: 12px;
        padding: 6px 12px;
    }

    /* iPhone手机移动端样式 */
    .iphone-mockup {
        width: 280px;
        height: 560px;
        margin: 0 auto;
    }

    .iphone-frame {
        width: 240px;
        height: 500px;
        transform: perspective(1200px) rotateY(-5deg) rotateX(5deg);
    }

    .iphone-frame:hover {
        transform: perspective(1200px) rotateY(-3deg) rotateX(3deg) scale(1.02);
    }

    /* 中等屏幕管理后台样式 */
    .admin-content {
        flex-direction: column;
        gap: 12px;
    }

    .admin-nav {
        flex: none;
        flex-direction: row;
        gap: 8px;
        overflow-x: auto;
    }

    .nav-item {
        flex: 0 0 auto;
        white-space: nowrap;
        padding: 8px 12px;
        font-size: 11px;
    }

    .dashboard-stats {
        grid-template-columns: repeat(3, 1fr);
        gap: 10px;
    }

    .stat-box {
        padding: 10px;
    }

    .stat-value {
        font-size: 16px;
    }

    .stat-label {
        font-size: 9px;
    }

    .chart-bars {
        height: 50px;
        gap: 5px;
    }

    .bar {
        width: 10px;
    }

    /* 中等屏幕图片预留区域 */
    .admin-showcase {
        gap: 20px;
    }

    .admin-image-placeholder {
        height: 180px;
    }

    .placeholder-content i {
        font-size: 40px;
        margin-bottom: 14px;
    }

    .placeholder-content p {
        font-size: 15px;
        margin-bottom: 7px;
    }

    .placeholder-content span {
        font-size: 11px;
    }

    /* 移动端关于我们优化 */
    .about {
        padding: 60px 0;
    }

    .about-content {
        grid-template-columns: 1fr;
        gap: 40px;
        text-align: center;
    }

    .about-text h3 {
        font-size: 28px;
        margin-bottom: 16px;
    }

    .about-text p {
        font-size: 16px;
        line-height: 1.6;
        margin-bottom: 20px;
    }

    .about-stats {
        grid-template-columns: repeat(2, 1fr);
        gap: 20px;
    }

    .stat-card {
        padding: 24px 16px;
        text-align: center;
    }

    .stat-icon {
        width: 60px;
        height: 60px;
        font-size: 24px;
        margin: 0 auto 16px;
    }

    .stat-number {
        font-size: 24px;
        margin-bottom: 8px;
    }

    .stat-label {
        font-size: 14px;
    }

    /* 移动端联系我们优化 */
    .contact {
        padding: 60px 0;
    }

    .contact-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .contact-info {
        order: 2;
    }

    .contact-form {
        order: 1;
        padding: 32px 24px;
    }

    .contact-item {
        padding: 20px 16px;
        margin-bottom: 16px;
    }

    .contact-icon {
        width: 50px;
        height: 50px;
        font-size: 20px;
    }

    .contact-details h4 {
        font-size: 18px;
        margin-bottom: 8px;
    }

    .contact-details p {
        font-size: 14px;
    }

    .form-group {
        margin-bottom: 20px;
    }

    .form-group input,
    .form-group textarea {
        padding: 16px 20px;
        font-size: 16px;
        border-radius: 16px;
    }

    /* 移动端下载区域优化 */
    .download {
        padding: 60px 0;
    }

    .download-content {
        text-align: center;
    }

    .download-title {
        font-size: 32px;
        margin-bottom: 16px;
    }

    .download-description {
        font-size: 16px;
        line-height: 1.6;
        margin-bottom: 32px;
        padding: 0 16px;
    }

    .download-actions {
        flex-direction: column;
        gap: 16px;
        align-items: center;
    }

    .download-actions .btn {
        width: 100%;
        max-width: 280px;
    }

    .download-qr {
        margin-top: 40px;
    }

    .qr-code {
        width: 200px;
        height: 200px;
        margin: 0 auto;
    }

    .qr-tip {
        font-size: 14px;
        margin-top: 16px;
    }

    /* 移动端页脚优化 */
    .footer {
        padding: 40px 0 20px;
    }

    .footer-content {
        grid-template-columns: 1fr;
        gap: 30px;
        text-align: center;
    }

    .footer-logo {
        margin-bottom: 20px;
    }

    .footer-description {
        font-size: 14px;
        line-height: 1.6;
        margin-bottom: 24px;
    }

    .social-links {
        justify-content: center;
        gap: 16px;
        margin-bottom: 30px;
    }

    .social-link {
        width: 50px;
        height: 50px;
        font-size: 20px;
    }

    .footer-section h4 {
        font-size: 18px;
        margin-bottom: 16px;
    }

    .footer-links {
        gap: 12px;
    }

    .footer-links a {
        font-size: 14px;
    }

    .footer-bottom {
        flex-direction: column;
        gap: 16px;
        text-align: center;
        padding-top: 20px;
        border-top: 1px solid var(--border-color);
    }

    .footer-copyright {
        font-size: 14px;
    }

    .footer-links-bottom {
        gap: 16px;
    }

    .footer-links-bottom a {
        font-size: 12px;
    }
}

/* ===== 中等屏幕手机优化 (480px - 768px) ===== */
@media (max-width: 768px) {
    /* 移动端菜单优化 */
    .mobile-menu-content {
        padding: 120px 20px 40px;
    }

    .mobile-menu-header {
        margin-bottom: 30px;
        padding-bottom: 15px;
    }

    .mobile-menu-links {
        gap: 6px;
    }

    .mobile-menu-link {
        padding: 14px 16px;
        font-size: 16px;
    }

    .mobile-menu-actions {
        margin-top: 30px;
        padding-top: 15px;
    }

    .hero-title {
        font-size: 36px;
    }

    .title-subtitle {
        font-size: 20px;
    }

    .hero-description {
        font-size: 16px;
        padding: 0 8px;
    }

    .hero-stats {
        grid-template-columns: 1fr;
        gap: 16px;
    }

    .stat-item {
        padding: 16px 12px;
    }

    .stat-number {
        font-size: 24px;
    }

    .stat-label {
        font-size: 12px;
    }

    .section-title {
        font-size: 32px;
    }

    .section-subtitle {
        font-size: 16px;
        padding: 0 8px;
    }

    .feature-card {
        padding: 24px 20px;
    }

    .feature-icon {
        width: 70px;
        height: 70px;
        font-size: 28px;
    }

    .feature-title {
        font-size: 22px;
    }

    .feature-description {
        font-size: 15px;
    }

    .product-title {
        font-size: 26px;
    }

    .product-description {
        font-size: 15px;
    }

    .about-stats {
        grid-template-columns: 1fr;
        gap: 16px;
    }

    .stat-card {
        padding: 20px 16px;
    }

    .contact-form {
        padding: 24px 20px;
    }

    .download-title {
        font-size: 28px;
    }

    .download-description {
        font-size: 15px;
        padding: 0 8px;
    }

    .qr-code {
        width: 180px;
        height: 180px;
    }
}

/* ===== 小屏幕手机优化 (320px - 480px) ===== */
@media (max-width: 480px) {
    /* 移动端菜单优化 */
    .mobile-menu-content {
        padding: 140px 16px 40px;
    }

    .mobile-menu-header {
        margin-bottom: 25px;
        padding-bottom: 12px;
    }

    .mobile-menu-logo {
        gap: 8px;
    }

    .mobile-menu-close {
        width: 36px;
        height: 36px;
        font-size: 16px;
    }

    .mobile-menu-links {
        gap: 4px;
    }

    .mobile-menu-link {
        padding: 12px 14px;
        font-size: 15px;
        gap: 12px;
    }

    .mobile-menu-link i {
        width: 20px;
        font-size: 18px;
    }

    .mobile-menu-actions {
        margin-top: 25px;
        padding-top: 12px;
    }

    .mobile-menu-actions .btn {
        padding: 14px 20px;
        font-size: 16px;
    }

    .container {
        padding: 0 12px;
    }

    .nav-container {
        padding: 0 12px;
    }

    .logo-text {
        font-size: 18px;
    }

    .hero {
        padding: 70px 0 30px;
    }

    .hero-container {
        padding: 0 12px;
    }

    .hero-title {
        font-size: 28px;
        line-height: 1.3;
    }

    .title-subtitle {
        font-size: 16px;
    }

    .hero-description {
        font-size: 14px;
        padding: 0 4px;
    }

    .hero-actions .btn {
        max-width: 100%;
        padding: 16px 24px;
        font-size: 16px;
    }

    .hero-stats {
        gap: 12px;
    }

    .stat-item {
        padding: 12px 8px;
    }

    .stat-number {
        font-size: 20px;
    }

    .stat-label {
        font-size: 11px;
    }

    .section-title {
        font-size: 28px;
    }

    .section-subtitle {
        font-size: 14px;
        padding: 0 4px;
    }

    .feature-card {
        padding: 20px 16px;
        margin: 0 4px;
    }

    .feature-icon {
        width: 60px;
        height: 60px;
        font-size: 24px;
        margin-bottom: 20px;
    }

    .feature-title {
        font-size: 20px;
    }

    .feature-description {
        font-size: 14px;
    }

    .feature-list li {
        font-size: 13px;
    }

    .product-mockup {
        max-width: 250px;
    }

    .product-title {
        font-size: 24px;
    }

    .product-description {
        font-size: 14px;
    }

    .feature-tag {
        font-size: 11px;
        padding: 4px 8px;
    }

    .tech-item {
        font-size: 11px;
        padding: 4px 8px;
    }

    .about-text h3 {
        font-size: 24px;
    }

    .about-text p {
        font-size: 14px;
    }

    .stat-card {
        padding: 16px 12px;
    }

    .stat-icon {
        width: 50px;
        height: 50px;
        font-size: 20px;
    }

    .stat-number {
        font-size: 20px;
    }

    .stat-label {
        font-size: 12px;
    }

    .contact-form {
        padding: 20px 16px;
    }

    .contact-item {
        padding: 16px 12px;
    }

    .contact-icon {
        width: 40px;
        height: 40px;
        font-size: 18px;
    }

    .contact-details h4 {
        font-size: 16px;
    }

    .contact-details p {
        font-size: 13px;
    }

    .form-group input,
    .form-group textarea {
        padding: 14px 16px;
        font-size: 16px;
    }

    .download-title {
        font-size: 24px;
    }

    .download-description {
        font-size: 14px;
        padding: 0 4px;
    }

    .qr-code {
        width: 160px;
        height: 160px;
    }

    .qr-tip {
        font-size: 12px;
    }

    .footer-description {
        font-size: 13px;
    }

    .social-link {
        width: 45px;
        height: 45px;
        font-size: 18px;
    }

    .footer-section h4 {
        font-size: 16px;
    }

    .footer-links a {
        font-size: 13px;
    }

    .footer-copyright {
        font-size: 12px;
    }

    .footer-links-bottom a {
        font-size: 11px;
    }
}

/* ===== 超小屏幕优化 (320px以下) ===== */
@media (max-width: 320px) {
    /* 移动端菜单优化 */
    .mobile-menu-content {
        padding: 160px 12px 40px;
    }

    .mobile-menu-header {
        margin-bottom: 20px;
        padding-bottom: 10px;
    }

    .mobile-menu-logo {
        gap: 6px;
    }

    .mobile-menu-close {
        width: 32px;
        height: 32px;
        font-size: 14px;
    }

    .mobile-menu-links {
        gap: 3px;
    }

    .mobile-menu-link {
        padding: 10px 12px;
        font-size: 14px;
        gap: 10px;
    }

    .mobile-menu-link i {
        width: 18px;
        font-size: 16px;
    }

    .mobile-menu-actions {
        margin-top: 20px;
        padding-top: 10px;
    }

    .mobile-menu-actions .btn {
        padding: 12px 18px;
        font-size: 15px;
    }

    .container {
        padding: 0 8px;
    }

    .nav-container {
        padding: 0 8px;
    }

    .logo-text {
        font-size: 16px;
    }

    .hero-title {
        font-size: 24px;
    }

    .title-subtitle {
        font-size: 14px;
    }

    .hero-description {
        font-size: 13px;
    }

    .section-title {
        font-size: 24px;
    }

    .section-subtitle {
        font-size: 13px;
    }

    .feature-card {
        padding: 16px 12px;
    }

    .feature-icon {
        width: 50px;
        height: 50px;
        font-size: 20px;
    }

    .feature-title {
        font-size: 18px;
    }

    .feature-description {
        font-size: 13px;
    }

    .product-title {
        font-size: 22px;
    }

    .product-description {
        font-size: 13px;
    }

    .about-text h3 {
        font-size: 22px;
    }

    .about-text p {
        font-size: 13px;
    }

    .download-title {
        font-size: 22px;
    }

    .download-description {
        font-size: 13px;
    }

    .qr-code {
        width: 140px;
        height: 140px;
    }
}

/* ===== 移动端菜单样式 ===== */
.mobile-menu {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100vh;
    z-index: 2000;
    visibility: hidden;
    opacity: 0;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.mobile-menu.active {
    visibility: visible;
    opacity: 1;
}

.mobile-menu-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(15, 20, 25, 0.95);
    backdrop-filter: blur(20px);
}

.mobile-menu-content {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    display: flex;
    flex-direction: column;
    padding: 100px 24px 40px;
    transform: translateX(-100%);
    transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.mobile-menu.active .mobile-menu-content {
    transform: translateX(0);
}

.mobile-menu-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 40px;
    padding-bottom: 20px;
    border-bottom: 1px solid var(--border-color);
}

.mobile-menu-logo {
    display: flex;
    align-items: center;
    gap: 12px;
}

.mobile-menu-close {
    width: 40px;
    height: 40px;
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    color: var(--text-primary);
    font-size: 18px;
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
}

.mobile-menu-close:hover {
    background: rgba(255, 255, 255, 0.2);
    transform: scale(1.05);
}

.mobile-menu-links {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.mobile-menu-link {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 16px 20px;
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 18px;
    font-weight: 500;
    border-radius: 16px;
    transition: var(--transition);
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid transparent;
}

.mobile-menu-link:hover,
.mobile-menu-link.active {
    color: var(--text-primary);
    background: rgba(255, 255, 255, 0.1);
    border-color: var(--primary-color);
    transform: translateX(8px);
}

.mobile-menu-link i {
    width: 24px;
    font-size: 20px;
    text-align: center;
}

.mobile-menu-actions {
    margin-top: 40px;
    padding-top: 20px;
    border-top: 1px solid var(--border-color);
}

.mobile-menu-actions .btn {
    width: 100%;
    justify-content: center;
    padding: 16px 24px;
    font-size: 18px;
}

/* ===== 移动端特殊效果 ===== */

/* 移动端触摸反馈 */
@media (max-width: 1024px) {
    .btn:active,
    .nav-link:active,
    .feature-card:active,
    .contact-item:active,
    .social-link:active {
        transform: scale(0.95);
        transition: transform 0.1s ease;
    }

    /* 移动端滚动优化 */
    html {
        scroll-behavior: smooth;
    }

    /* 移动端选择文本样式 */
    ::selection {
        background: var(--primary-color);
        color: var(--dark-bg);
    }

    /* 移动端焦点样式 */
    .btn:focus,
    .nav-link:focus,
    input:focus,
    textarea:focus {
        outline: 2px solid var(--primary-color);
        outline-offset: 2px;
    }

    /* 移动端加载动画优化 */
    .fade-in-up,
    .fade-in-left,
    .fade-in-right {
        animation-duration: 0.4s;
    }

    /* 移动端阴影优化 */
    .feature-card,
    .stat-card,
    .contact-item,
    .product-mockup {
        box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
    }

    /* 移动端背景模糊优化 */
    .navbar,
    .feature-card,
    .stat-card,
    .contact-item {
        backdrop-filter: blur(20px);
        -webkit-backdrop-filter: blur(20px);
    }
}

/* ===== 移动端横屏优化 ===== */
@media (max-width: 1024px) and (orientation: landscape) {
    .hero {
        min-height: 100vh;
        padding: 60px 0 20px;
    }

    .hero-container {
        gap: 20px;
    }

    .hero-title {
        font-size: 32px;
    }

    .title-subtitle {
        font-size: 18px;
    }

    .hero-description {
        font-size: 14px;
        margin-bottom: 20px;
    }

    .hero-actions {
        margin-bottom: 20px;
    }

    .hero-stats {
        margin-top: 20px;
    }

    .features,
    .products,
    .about,
    .contact,
    .download {
        padding: 40px 0;
    }

    .section-header {
        margin-bottom: 30px;
    }

    .features-grid {
        gap: 20px;
    }

    .feature-card {
        padding: 24px 20px;
    }
}

/* ===== 移动端性能优化 ===== */
@media (max-width: 1024px) {
    /* 减少不必要的动画 */
    .hero-particles {
        animation: none;
    }

    /* 优化渐变效果 */
    .hero-bg-layer {
        background: linear-gradient(135deg, #0F1419 0%, #1A1F2E 50%, #252B3D 100%);
    }

    /* 减少阴影复杂度 */
    .btn-primary {
        box-shadow: 0 4px 16px rgba(0, 212, 255, 0.3);
    }

    .btn-primary:hover {
        box-shadow: 0 6px 20px rgba(0, 212, 255, 0.4);
    }

    /* 移动端加载优化 */
    .loaded {
        opacity: 1;
    }

    /* 移动端触摸优化 */
    * {
        -webkit-tap-highlight-color: transparent;
    }

    /* 移动端滚动优化 */
    html {
        -webkit-overflow-scrolling: touch;
    }

    /* 移动端字体渲染优化 */
    body {
        -webkit-font-smoothing: antialiased;
        -moz-osx-font-smoothing: grayscale;
        text-rendering: optimizeLegibility;
    }

    /* 移动端图片优化 */
    img {
        max-width: 100%;
        height: auto;
        -webkit-user-drag: none;
        -khtml-user-drag: none;
        -moz-user-drag: none;
        -o-user-drag: none;
        user-drag: none;
    }

    /* 移动端选择文本样式 */
    ::selection {
        background: var(--primary-color);
        color: var(--dark-bg);
    }

    /* 移动端焦点样式 */
    .btn:focus,
    .nav-link:focus,
    input:focus,
    textarea:focus {
        outline: 2px solid var(--primary-color);
        outline-offset: 2px;
    }

    /* 移动端加载动画优化 */
    .fade-in-up,
    .fade-in-left,
    .fade-in-right {
        animation-duration: 0.4s;
    }

    /* 移动端阴影优化 */
    .feature-card,
    .stat-card,
    .contact-item,
    .product-mockup {
        box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
    }

    /* 移动端背景模糊优化 */
    .navbar,
    .feature-card,
    .stat-card,
    .contact-item {
        backdrop-filter: blur(20px);
        -webkit-backdrop-filter: blur(20px);
    }

    /* 移动端按钮触摸反馈 */
    .btn:active {
        transform: scale(0.98);
        transition: transform 0.1s ease;
    }

    /* 移动端卡片触摸反馈 */
    .feature-card:active,
    .stat-card:active,
    .contact-item:active {
        transform: scale(0.98);
        transition: transform 0.1s ease;
    }

    /* 移动端链接触摸反馈 */
    .nav-link:active,
    .mobile-menu-link:active {
        transform: scale(0.95);
        transition: transform 0.1s ease;
    }

    /* 移动端表单优化 */
    input,
    textarea {
        -webkit-appearance: none;
        border-radius: 12px;
        font-size: 16px; /* 防止iOS缩放 */
    }

    /* 移动端滚动条隐藏 */
    ::-webkit-scrollbar {
        display: none;
    }

    /* 移动端页面加载动画 */
    body {
        opacity: 0;
        transition: opacity 0.5s ease;
    }

    body.loaded {
        opacity: 1;
    }

    /* 移动端安全区域适配 */
    @supports (padding: max(0px)) {
        
        .mobile-menu {
            padding-top: max(80px, env(safe-area-inset-top));
        }
        
        .footer {
            padding-bottom: max(20px, env(safe-area-inset-bottom));
        }
    }
} 

/* 小屏幕iPhone手机样式 */
@media (max-width: 480px) {
    .iphone-mockup {
        width: 240px;
        height: 480px;
    }

    .iphone-frame {
        width: 200px;
        height: 420px;
        transform: perspective(1200px) rotateY(-3deg) rotateX(3deg);
    }

    .iphone-frame:hover {
        transform: perspective(1200px) rotateY(-1deg) rotateX(1deg) scale(1.01);
    }

    /* 小屏幕管理后台样式 */
    .admin-mockup {
        width: 280px;
        height: 280px;
        padding: 12px;
    }

    .admin-nav {
        flex: 0 0 80px;
        gap: 4px;
    }

    .nav-item {
        padding: 6px 8px;
        font-size: 10px;
        flex-direction: column;
        gap: 4px;
    }

    .nav-item span {
        display: none;
    }

    .dashboard-stats {
        grid-template-columns: repeat(2, 1fr);
        gap: 8px;
    }

    .stat-box {
        padding: 8px;
    }

    .stat-value {
        font-size: 14px;
    }

    .stat-label {
        font-size: 9px;
    }

    .chart-bars {
        height: 40px;
        gap: 4px;
    }

    .bar {
        width: 8px;
    }

    /* 小屏幕图片预留区域 */
    .admin-showcase {
        gap: 12px;
    }

    .admin-image-placeholder {
        height: 120px;
    }

    .placeholder-content i {
        font-size: 28px;
        margin-bottom: 8px;
    }

    .placeholder-content p {
        font-size: 12px;
        margin-bottom: 4px;
    }

    .placeholder-content span {
        font-size: 10px;
    }
}