/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    /* Dark Theme Colors */
    --bg-primary: #181818;
    --bg-secondary: #1f1f1f;
    --bg-tertiary: #2a2a2a;
    --text-primary: #ffffff;
    --text-secondary: #b3b3b3;
    --text-muted: #808080;
    --accent-primary: #3b82f6;
    --accent-secondary: #1d4ed8;
    --border-color: #333333;
    --shadow-color: rgba(0, 0, 0, 0.3);
    
    /* Typography */
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-size-xs: 0.75rem;
    --font-size-sm: 0.875rem;
    --font-size-base: 1rem;
    --font-size-lg: 1.125rem;
    --font-size-xl: 1.25rem;
    --font-size-2xl: 1.5rem;
    --font-size-3xl: 1.875rem;
    --font-size-4xl: 2.25rem;
    --font-size-5xl: 3rem;
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-2xl: 4rem;
    
    /* Border Radius */
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    
    /* Transitions */
    --transition-fast: 0.15s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
}

/* Light Theme Colors */
.light-theme {
    --bg-primary: #ffffff;
    --bg-secondary: #f8fafc;
    --bg-tertiary: #f1f5f9;
    --text-primary: #1e293b;
    --text-secondary: #475569;
    --text-muted: #64748b;
    --accent-primary: #3b82f6;
    --accent-secondary: #1d4ed8;
    --border-color: #e2e8f0;
    --shadow-color: rgba(0, 0, 0, 0.1);
}

body {
    font-family: var(--font-family);
    background-color: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    transition: background-color var(--transition-normal), color var(--transition-normal);
}

/* Container */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-sm);
}

/* Header */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background-color: rgba(24, 24, 24, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border-color);
    z-index: 1000;
    transition: background-color var(--transition-normal);
}

.light-theme .header {
    background-color: rgba(255, 255, 255, 0.95);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-sm);
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 70px;
}

.logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    text-decoration: none;
    color: var(--text-primary);
}

.logo-icon {
    width: 40px;
    height: 40px;
    border-radius: var(--radius-md);
}

.logo-text {
    font-size: var(--font-size-lg);
    font-weight: 600;
    color: var(--text-primary);
}

.nav-links {
    display: flex;
    gap: var(--spacing-lg);
}

.nav-link {
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 500;
    transition: color var(--transition-fast);
    position: relative;
}

.nav-link:hover {
    color: var(--text-primary);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--accent-primary);
    transition: width var(--transition-fast);
}

.nav-link:hover::after {
    width: 100%;
}



/* Main Content */
.main {
    margin-top: 70px;
}

/* 软件截图展示区域 */
.screenshots-section {
    padding: 4rem 0;
    background: var(--bg-secondary);
}

.screenshots-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    margin-bottom: 3rem;
}

.screenshot-card {
    text-align: center;
    transition: transform var(--transition-normal);
}

.screenshot-card:hover {
    transform: translateY(-5px);
}

.screenshot-container {
    background: #ffffff;
    border-radius: 20px;
    padding: 12px;
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.2);
    margin-bottom: 1rem;
    position: relative;
    overflow: hidden;
}

.screenshot-container::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(255,255,255,0.1) 0%, rgba(255,255,255,0.05) 100%);
    border-radius: 20px;
    pointer-events: none;
}

.screenshot-image {
    width: 100%;
    height: auto;
    border-radius: 12px;
    display: block;
    transition: transform 0.3s ease;
}

.screenshot-container:hover .screenshot-image {
    transform: scale(1.02);
}

.screenshot-title {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-primary);
    margin: 0;
    line-height: 1.4;
}

.screenshot-summary {
    text-align: center;
    max-width: 600px;
    margin: 0 auto;
}

.screenshot-summary p {
    font-size: 1.1rem;
    color: var(--text-secondary);
    line-height: 1.6;
    margin: 0;
}

/* Hero Section */
.hero {
    padding: var(--spacing-2xl) 0;
    background: var(--bg-primary);
    position: relative;
    overflow: hidden;
}

.hero-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-sm);
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-2xl);
    align-items: center;
    position: relative;
    z-index: 1;
}

.hero-title {
    font-size: var(--font-size-5xl);
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: var(--spacing-lg);
    color: var(--text-primary);
}

.highlight {
    background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-description {
    font-size: var(--font-size-lg);
    color: var(--text-secondary);
    margin-bottom: var(--spacing-xl);
    line-height: 1.7;
}

.hero-buttons {
    display: flex;
    gap: var(--spacing-md);
    flex-wrap: wrap;
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-sm) var(--spacing-lg);
    border-radius: var(--radius-lg);
    text-decoration: none;
    font-weight: 600;
    font-size: var(--font-size-base);
    transition: all var(--transition-fast);
    border: none;
    cursor: pointer;
    white-space: nowrap;
}

.btn-primary {
    background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
    color: white;
    box-shadow: 0 4px 15px rgba(59, 130, 246, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(59, 130, 246, 0.4);
}

.btn-secondary {
    background-color: var(--bg-tertiary);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
}

.btn-secondary:hover {
    background-color: var(--bg-secondary);
    transform: translateY(-2px);
}

.btn-large {
    padding: var(--spacing-md) var(--spacing-xl);
    font-size: var(--font-size-lg);
}

.hero-image {
    display: flex;
    justify-content: center;
    align-items: center;
    position: relative;
}

.app-preview {
    max-width: 100%;
    height: auto;
    border-radius: 0;
    box-shadow: none;
    transition: transform var(--transition-normal);
    background: transparent;
    mix-blend-mode: normal;
    filter: none;
}

.app-preview:hover {
    transform: scale(1.02);
}

/* 确保图标与背景完美融合 */
.dark-theme .app-preview {
    background: var(--bg-primary);
    border: none;
    outline: none;
}

.light-theme .app-preview {
    background: var(--bg-primary);
    border: none;
    outline: none;
}

/* 移除任何可能的分隔效果 */
.hero-image::before,
.hero-image::after {
    display: none;
}

/* Section Styles */
.section-title {
    font-size: var(--font-size-4xl);
    font-weight: 700;
    text-align: center;
    margin-bottom: var(--spacing-xl);
    color: var(--text-primary);
}

/* Features Section */
.features {
    padding: var(--spacing-2xl) 0;
    background-color: var(--bg-secondary);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-lg);
    margin-top: var(--spacing-xl);
}

.feature-card {
    background-color: var(--bg-primary);
    padding: var(--spacing-xl);
    border-radius: var(--radius-xl);
    border: 1px solid var(--border-color);
    text-align: center;
    transition: all var(--transition-normal);
}

.feature-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 40px var(--shadow-color);
    border-color: var(--accent-primary);
}

.feature-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto var(--spacing-lg);
    background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
    border-radius: var(--radius-xl);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
}

.feature-title {
    font-size: var(--font-size-xl);
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
    color: var(--text-primary);
}

.feature-description {
    color: var(--text-secondary);
    line-height: 1.6;
}

/* Download Section */
.download {
    padding: var(--spacing-2xl) 0;
    background-color: var(--bg-primary);
}

.download-description {
    text-align: center;
    font-size: var(--font-size-lg);
    color: var(--text-secondary);
    margin-bottom: var(--spacing-xl);
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.download-card {
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-xl);
    padding: var(--spacing-xl);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-lg);
    max-width: 600px;
    margin: 0 auto;
    transition: all var(--transition-normal);
}

.download-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 20px 40px var(--shadow-color);
    border-color: var(--accent-primary);
}

.app-info {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.app-icon {
    width: 80px;
    height: 80px;
    border-radius: var(--radius-lg);
}

.app-name {
    font-size: var(--font-size-xl);
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--spacing-xs);
}

.app-version,
.app-size {
    color: var(--text-secondary);
    font-size: var(--font-size-sm);
    margin-bottom: var(--spacing-xs);
}

.download-buttons {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
    width: 100%;
}

.download-buttons .btn {
    width: 100%;
    justify-content: center;
    position: relative;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    min-height: 48px;
}

.btn-text {
    flex: 1;
    text-align: left;
}

.btn-version {
    font-size: 0.875rem;
    font-weight: 500;
    opacity: 0.9;
    margin-left: auto;
    white-space: nowrap;
}

/* About Section */
.about {
    padding: var(--spacing-2xl) 0;
    background-color: var(--bg-secondary);
}

.about-content {
    max-width: 800px;
    margin: 0 auto;
}

.about-text p {
    font-size: var(--font-size-lg);
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: var(--spacing-lg);
    text-align: center;
}



/* Footer */
.footer {
    background-color: var(--bg-primary);
    border-top: 1px solid var(--border-color);
    padding: var(--spacing-xl) 0;
}

.footer-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: var(--spacing-md);
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.footer-icon {
    width: 32px;
    height: 32px;
    border-radius: var(--radius-md);
}

.footer-text {
    font-size: var(--font-size-lg);
    font-weight: 600;
    color: var(--text-primary);
}

.footer-copyright {
    color: var(--text-muted);
    font-size: var(--font-size-sm);
}

/* Responsive Design */
@media (max-width: 768px) {
    /* 只在非移动端设备上隐藏导航链接 */
    body:not(.mobile) .nav-links {
        display: none;
    }
    
    .hero-container {
        grid-template-columns: 1fr;
        text-align: center;
        gap: var(--spacing-xl);
    }
    
    .hero-title {
        font-size: var(--font-size-4xl);
    }
    
    .hero-buttons {
        justify-content: center;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
    }
    
    .download-card {
        flex-direction: column;
        text-align: center;
    }
    
    .footer-content {
        flex-direction: column;
        text-align: center;
    }
    
    .section-title {
        font-size: var(--font-size-3xl);
    }
    
    /* 移动端截图网格样式 */
    .screenshots-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .screenshots-section {
        padding: 2rem 0;
    }
    
    .screenshot-summary p {
        font-size: 1rem;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: var(--font-size-3xl);
    }
    
    .hero-description {
        font-size: var(--font-size-base);
    }
    
    .btn {
        padding: var(--spacing-sm) var(--spacing-md);
        font-size: var(--font-size-sm);
    }
    
    .feature-card {
        padding: var(--spacing-lg);
    }
    
    .download-card {
        padding: var(--spacing-lg);
    }
}

/* Smooth Scrolling */
html {
    scroll-behavior: smooth;
}

/* Focus Styles */
.btn:focus,
.nav-link:focus {
    outline: 2px solid var(--accent-primary);
    outline-offset: 2px;
}

/* Favicon 样式 - 保持原始比例 */
/* 注意：CSS无法直接控制favicon大小，通过HTML sizes属性控制 */

/* 确保favicon在浏览器中正确显示，保持原始比例 */
link[rel="icon"] {
    image-rendering: -webkit-optimize-contrast;
    image-rendering: crisp-edges;
}

/* Loading Animation */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.hero-content,
.hero-image,
.feature-card,
.download-card {
    animation: fadeInUp 0.8s ease-out;
} 

/* Mobile-specific styles */
/* 移动端专用样式 */

/* 移动端基础样式 */
.mobile .header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: var(--bg-primary);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border-color);
    padding: 0.5rem 1rem;
    height: 60px;
}

.mobile .nav-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 100%;
}

.mobile .logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.mobile .logo-icon {
    width: 32px;
    height: 32px;
}

.mobile .logo-text {
    font-size: 1.1rem;
    font-weight: 600;
}

/* 移动端汉堡菜单 */
.mobile-menu-toggle {
    display: none;
}

.mobile .mobile-menu-toggle {
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    width: 24px;
    height: 20px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0;
}

.mobile .mobile-menu-toggle span {
    display: block;
    width: 100%;
    height: 2px;
    background: var(--text-primary);
    transition: all 0.3s ease;
    border-radius: 1px;
}

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

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

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

/* 移动端导航菜单 */
.mobile .nav-links {
    position: fixed;
    top: 60px;
    left: 0;
    right: 0;
    background: var(--bg-primary);
    border-bottom: 1px solid var(--border-color);
    padding: 1rem;
    transform: translateY(-100%);
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
    z-index: 999;
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.mobile .nav-links.active {
    transform: translateY(0);
    opacity: 1;
    visibility: visible;
}



.mobile .nav-link {
    padding: 0.75rem 1rem;
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
    font-size: 1rem;
    font-weight: 500;
}

.mobile .nav-link:hover {
    background: var(--bg-secondary);
}

/* 移动端主要内容区域 */
.mobile .main-content {
    margin-top: 60px;
    padding: 1rem;
}

/* 移动端Hero区域 */
.mobile .hero {
    padding: 2rem 1rem;
    text-align: center;
    min-height: 60vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
}

.mobile .hero-content {
    max-width: 100%;
    margin-bottom: 2rem;
}

.mobile .hero-title {
    font-size: 2rem;
    margin-bottom: 1rem;
    line-height: 1.2;
}

.mobile .hero-subtitle {
    font-size: 1.1rem;
    margin-bottom: 2rem;
    line-height: 1.5;
}

.mobile .hero-buttons {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    width: 100%;
    max-width: 300px;
    margin: 0 auto;
}

.mobile .btn {
    padding: 1rem 2rem;
    font-size: 1rem;
    font-weight: 600;
    border-radius: var(--radius-lg);
    text-decoration: none;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    transition: all var(--transition-fast);
    min-height: 48px;
}

/* 移动端应用预览 */
.mobile .hero-image {
    width: 100%;
    max-width: 300px;
    margin: 0 auto;
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-lg);
}

.mobile .app-preview {
    width: 100%;
    height: auto;
    border-radius: var(--radius-xl);
}

/* 移动端功能特点 */
.mobile .features {
    padding: 3rem 1rem;
}

.mobile .section-title {
    font-size: 1.8rem;
    margin-bottom: 2rem;
    text-align: center;
}

.mobile .features-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1.5rem;
    max-width: 100%;
}

.mobile .feature-card {
    padding: 1.5rem;
    border-radius: var(--radius-lg);
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    text-align: center;
    transition: all var(--transition-fast);
}

.mobile .feature-card:active {
    transform: scale(0.98);
}

.mobile .feature-icon {
    width: 48px;
    height: 48px;
    margin: 0 auto 1rem;
    padding: 0.75rem;
    background: var(--accent-primary);
    border-radius: var(--radius-lg);
    color: white;
}

.mobile .feature-title {
    font-size: 1.2rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.mobile .feature-description {
    font-size: 0.95rem;
    color: var(--text-secondary);
    line-height: 1.5;
}

/* 移动端下载区域 */
.mobile .download {
    padding: 3rem 1rem;
    background: var(--bg-secondary);
}

.mobile .download-card {
    background: var(--bg-primary);
    border-radius: var(--radius-xl);
    padding: 2rem 1.5rem;
    text-align: center;
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-lg);
}

.mobile .download-info {
    margin-bottom: 2rem;
}

.mobile .download-title {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
}

.mobile .download-details {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    margin-bottom: 2rem;
}

.mobile .download-detail {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    font-size: 0.95rem;
    color: var(--text-secondary);
}

.mobile .download-buttons {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.mobile .download-btn {
    padding: 1rem 2rem;
    font-size: 1rem;
    font-weight: 600;
    border-radius: var(--radius-lg);
    text-decoration: none;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
    transition: all var(--transition-fast);
    min-height: 52px;
}

.mobile .download-btn-primary {
    background: var(--accent-primary);
    color: white;
}

.mobile .download-btn-primary:hover {
    background: var(--accent-hover);
    transform: translateY(-2px);
}

.mobile .download-btn-secondary {
    background: var(--bg-secondary);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
}

.mobile .download-btn-secondary:hover {
    background: var(--bg-tertiary);
}

/* 移动端关于我们 */
.mobile .about {
    padding: 3rem 1rem;
}

.mobile .about-content {
    text-align: center;
    max-width: 100%;
}

.mobile .about-title {
    font-size: 1.8rem;
    margin-bottom: 1.5rem;
}

.mobile .about-description {
    font-size: 1rem;
    line-height: 1.6;
    color: var(--text-secondary);
    margin-bottom: 2rem;
}

.mobile .about-features {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.mobile .about-feature {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem;
    background: var(--bg-secondary);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-color);
}

.mobile .about-feature-icon {
    width: 40px;
    height: 40px;
    padding: 0.5rem;
    background: var(--accent-primary);
    border-radius: var(--radius-md);
    color: white;
    flex-shrink: 0;
}

.mobile .about-feature-text {
    font-size: 0.95rem;
    font-weight: 500;
}

/* 移动端页脚 */
.mobile .footer {
    padding: 2rem 1rem;
    background: var(--bg-secondary);
    border-top: 1px solid var(--border-color);
}

.mobile .footer-content {
    text-align: center;
}

.mobile .footer-logo {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    margin-bottom: 1rem;
}

.mobile .footer-icon {
    width: 32px;
    height: 32px;
}

.mobile .footer-text {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.mobile .footer-copyright {
    font-size: 0.9rem;
    color: var(--text-secondary);
}

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

.mobile .btn,
.mobile .nav-link,
.mobile .feature-card {
    -webkit-touch-callout: none;
    -webkit-user-select: none;
    -khtml-user-select: none;
    -moz-user-select: none;
    -ms-user-select: none;
    user-select: none;
}

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

/* 移动端安全区域适配 */
.mobile-ios .header {
    padding-top: env(safe-area-inset-top);
}

.mobile-ios .main-content {
    padding-left: env(safe-area-inset-left);
    padding-right: env(safe-area-inset-right);
}

.mobile-ios .footer {
    padding-bottom: env(safe-area-inset-bottom);
}

/* 移动端动画优化 */
.mobile .feature-card,
.mobile .download-card,
.mobile .about-feature {
    animation: fadeInUp 0.6s ease-out;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* 移动端响应式调整 */
@media (max-width: 480px) {
    .mobile .hero-title {
        font-size: 1.8rem;
    }
    
    .mobile .hero-subtitle {
        font-size: 1rem;
    }
    
    .mobile .section-title {
        font-size: 1.6rem;
    }
    
    .mobile .btn {
        padding: 0.875rem 1.5rem;
        font-size: 0.95rem;
    }
}

/* 移动端横屏适配 */
@media (max-width: 768px) and (orientation: landscape) {
    .mobile .hero {
        min-height: 50vh;
        padding: 1.5rem 1rem;
    }
    
    .mobile .hero-title {
        font-size: 1.6rem;
    }
    
    .mobile .hero-subtitle {
        font-size: 0.95rem;
        margin-bottom: 1.5rem;
    }
}

/* Contact Section */
.contact {
    padding: 5rem 0;
    background: var(--bg-secondary);
}

.contact-content {
    max-width: 600px;
    margin: 0 auto;
    text-align: center;
}

.contact-description {
    font-size: 1.1rem;
    color: var(--text-secondary);
    margin-bottom: 2rem;
    line-height: 1.6;
}

.contact-item {
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
    padding: 1.5rem 2rem;
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    transition: all var(--transition-fast);
    box-shadow: 0 4px 15px var(--shadow-color);
}

.contact-item:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px var(--shadow-color);
}

.contact-item svg {
    color: var(--accent-primary);
    flex-shrink: 0;
}

.contact-link {
    font-size: 1.1rem;
    font-weight: 500;
    color: var(--text-primary);
    text-decoration: none;
    transition: color var(--transition-fast);
}

.contact-link:hover {
    color: var(--accent-primary);
}