/* ============================================
   幻天智数系统 - 科技感官网样式
   版本: 2.0
   主题: 深蓝科技风
   ============================================ */

/* CSS变量定义 */
:root {
    /* 主色调 - 深蓝科技 */
    --bg-primary: #0a0f1a;
    --bg-secondary: #111827;
    --bg-card: rgba(17, 24, 39, 0.8);
    --bg-glass: rgba(17, 24, 39, 0.6);
    
    /* 强调色 - 霓虹蓝 */
    --accent-primary: #00d4ff;
    --accent-secondary: #3b82f6;
    --accent-gradient: linear-gradient(135deg, #00d4ff 0%, #3b82f6 50%, #7c3aed 100%);
    --accent-glow: 0 0 20px rgba(0, 212, 255, 0.5), 0 0 40px rgba(0, 212, 255, 0.3);
    
    /* 功能色 */
    --success: #10b981;
    --warning: #f59e0b;
    --danger: #ef4444;
    --info: #3b82f6;
    
    /* 文字色 */
    --text-primary: #ffffff;
    --text-secondary: rgba(255, 255, 255, 0.8);
    --text-muted: rgba(255, 255, 255, 0.6);
    --text-accent: #00d4ff;
    
    /* 边框 */
    --border-color: rgba(0, 212, 255, 0.2);
    --border-glow: 0 0 10px rgba(0, 212, 255, 0.3);
    
    /* 阴影 */
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 20px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 8px 40px rgba(0, 0, 0, 0.5);
    --shadow-glow: 0 0 30px rgba(0, 212, 255, 0.2);
    
    /* 间距 */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 4rem;
    --spacing-xl: 6rem;
    
    /* 圆角 */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 20px;
    --radius-xl: 30px;
    
    /* 过渡 */
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
}

/* 全局重置 */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', sans-serif;
    background-color: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
    min-height: 100vh;
}

/* 动态背景 */
body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: 
        radial-gradient(ellipse at 20% 20%, rgba(0, 212, 255, 0.08) 0%, transparent 50%),
        radial-gradient(ellipse at 80% 80%, rgba(124, 58, 237, 0.08) 0%, transparent 50%),
        radial-gradient(ellipse at 50% 50%, rgba(59, 130, 246, 0.05) 0%, transparent 70%);
    pointer-events: none;
    z-index: -1;
}

/* 网格背景 */
.grid-bg {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: 
        linear-gradient(rgba(0, 212, 255, 0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(0, 212, 255, 0.03) 1px, transparent 1px);
    background-size: 50px 50px;
    pointer-events: none;
    z-index: -1;
}

/* 容器 */
.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

/* ============================================
   导航栏
   ============================================ */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(10, 15, 26, 0.9);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border-color);
    transition: all var(--transition-normal);
}

.navbar.scrolled {
    background: rgba(10, 15, 26, 0.98);
    box-shadow: var(--shadow-md);
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-sm) var(--spacing-md);
}

.navbar-brand {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    font-size: 1.5rem;
    font-weight: 700;
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.navbar-brand i {
    font-size: 1.8rem;
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

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

.navbar-item {
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 500;
    font-size: 0.95rem;
    padding: 0.5rem 1rem;
    border-radius: var(--radius-sm);
    transition: all var(--transition-fast);
    position: relative;
}

.navbar-item::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    width: 0;
    height: 2px;
    background: var(--accent-gradient);
    transition: all var(--transition-fast);
    transform: translateX(-50%);
}

.navbar-item:hover {
    color: var(--text-primary);
}

.navbar-item:hover::after {
    width: 80%;
}

.navbar-item.active {
    color: var(--accent-primary);
}

.navbar-item.active::after {
    width: 80%;
}

/* ============================================
   移动端菜单按钮
   ============================================ */
.mobile-menu-btn {
    display: none;
    background: rgba(0, 212, 255, 0.1);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    font-size: 1.25rem;
    cursor: pointer;
    padding: 0;
    width: 44px;
    height: 44px;
    border-radius: var(--radius-sm);
    transition: all var(--transition-fast);
    align-items: center;
    justify-content: center;
}

.mobile-menu-btn:hover {
    background: rgba(0, 212, 255, 0.2);
    border-color: var(--accent-primary);
}

.mobile-menu-btn:active {
    transform: scale(0.95);
}

/* 移动端菜单遮罩层 */
.mobile-menu-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    z-index: 998;
    opacity: 0;
    transition: opacity var(--transition-normal);
}

.mobile-menu-overlay.active {
    display: block;
    opacity: 1;
}

/* ============================================
   按钮样式
   ============================================ */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.875rem 2rem;
    font-size: 1rem;
    font-weight: 600;
    text-decoration: none;
    border: none;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-fast);
    position: relative;
    overflow: hidden;
}

.btn-primary {
    background: var(--accent-gradient);
    color: white;
    box-shadow: 0 4px 15px rgba(0, 212, 255, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--accent-glow), 0 8px 25px rgba(0, 212, 255, 0.4);
}

.btn-secondary {
    background: transparent;
    color: var(--accent-primary);
    border: 2px solid var(--accent-primary);
}

.btn-secondary:hover {
    background: rgba(0, 212, 255, 0.1);
    box-shadow: 0 0 20px rgba(0, 212, 255, 0.3);
}

.btn-glow {
    position: relative;
}

.btn-glow::before {
    content: '';
    position: absolute;
    top: -2px;
    left: -2px;
    right: -2px;
    bottom: -2px;
    background: var(--accent-gradient);
    border-radius: var(--radius-md);
    z-index: -1;
    opacity: 0;
    transition: opacity var(--transition-fast);
    filter: blur(10px);
}

.btn-glow:hover::before {
    opacity: 0.6;
}

.btn-large {
    padding: 1rem 2.5rem;
    font-size: 1.1rem;
}

/* ============================================
   英雄区域
   ============================================ */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding: 120px 0 80px;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 800px;
    height: 800px;
    background: radial-gradient(circle, rgba(0, 212, 255, 0.15) 0%, transparent 70%);
    transform: translate(-50%, -50%);
    pointer-events: none;
    animation: pulse-glow 4s ease-in-out infinite;
}

@keyframes pulse-glow {
    0%, 100% { opacity: 0.5; transform: translate(-50%, -50%) scale(1); }
    50% { opacity: 0.8; transform: translate(-50%, -50%) scale(1.1); }
}

.hero .container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-lg);
    align-items: center;
}

.hero-content {
    z-index: 1;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    background: rgba(0, 212, 255, 0.1);
    border: 1px solid var(--border-color);
    border-radius: 50px;
    font-size: 0.875rem;
    color: var(--accent-primary);
    margin-bottom: var(--spacing-md);
}

.hero-badge i {
    animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

.hero h1 {
    font-size: 3.5rem;
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: var(--spacing-md);
    background: linear-gradient(135deg, #ffffff 0%, #00d4ff 50%, #3b82f6 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero h1 span {
    display: block;
    font-size: 1.2rem;
    font-weight: 500;
    color: var(--text-muted);
    margin-top: var(--spacing-sm);
    -webkit-text-fill-color: var(--text-muted);
}

.hero-description {
    font-size: 1.25rem;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-md);
    max-width: 600px;
}

.hero-buttons {
    display: flex;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-lg);
}

.hero-stats {
    display: flex;
    gap: var(--spacing-lg);
}

.hero-stat {
    text-align: center;
}

.hero-stat-number {
    font-size: 2.5rem;
    font-weight: 800;
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-stat-label {
    font-size: 0.875rem;
    color: var(--text-muted);
}

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

.hero-dashboard-preview {
    width: 100%;
    max-width: 600px;
    background: var(--bg-glass);
    backdrop-filter: blur(20px);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: var(--spacing-md);
    box-shadow: var(--shadow-glow);
}

.dashboard-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-md);
    padding-bottom: var(--spacing-sm);
    border-bottom: 1px solid var(--border-color);
}

.dashboard-title {
    font-size: 1rem;
    font-weight: 600;
}

.dashboard-time {
    font-size: 0.875rem;
    color: var(--text-muted);
}

.dashboard-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-sm);
}

.dashboard-card {
    background: rgba(0, 212, 255, 0.05);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: var(--spacing-sm);
}

.dashboard-card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 0.5rem;
}

.dashboard-card-title {
    font-size: 0.875rem;
    color: var(--text-muted);
}

.dashboard-card-value {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--accent-primary);
}

.dashboard-chart {
    height: 60px;
    background: linear-gradient(90deg, rgba(0, 212, 255, 0.3) 0%, rgba(59, 130, 246, 0.3) 100%);
    border-radius: var(--radius-sm);
    position: relative;
    overflow: hidden;
}

.dashboard-chart::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 100%;
    background: linear-gradient(90deg, 
        transparent 0%, 
        rgba(0, 212, 255, 0.5) 20%, 
        rgba(0, 212, 255, 0.8) 50%, 
        rgba(0, 212, 255, 0.5) 80%, 
        transparent 100%);
    animation: chart-flow 3s ease-in-out infinite;
}

@keyframes chart-flow {
    0%, 100% { transform: translateX(-100%); }
    50% { transform: translateX(100%); }
}

/* ============================================
   平台展示区域
   ============================================ */
.platforms {
    padding: var(--spacing-xl) 0;
    background: linear-gradient(180deg, transparent 0%, rgba(0, 212, 255, 0.03) 50%, transparent 100%);
}

.section-header {
    text-align: center;
    margin-bottom: var(--spacing-lg);
}

.section-label {
    display: inline-block;
    padding: 0.5rem 1rem;
    background: rgba(0, 212, 255, 0.1);
    border: 1px solid var(--border-color);
    border-radius: 50px;
    font-size: 0.875rem;
    color: var(--accent-primary);
    margin-bottom: var(--spacing-sm);
}

.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
    background: linear-gradient(135deg, #ffffff 0%, #e5e7eb 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.section-subtitle {
    font-size: 1.125rem;
    color: var(--text-muted);
    max-width: 600px;
    margin: 0 auto;
}

.platforms-grid {
    display: grid;
    grid-template-columns: repeat(8, 1fr);
    gap: var(--spacing-sm);
    margin-top: var(--spacing-lg);
}

.platform-card {
    background: var(--bg-glass);
    backdrop-filter: blur(10px);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: var(--spacing-md);
    text-align: center;
    transition: all var(--transition-normal);
    cursor: pointer;
}

.platform-card:hover {
    transform: translateY(-5px);
    border-color: var(--accent-primary);
    box-shadow: var(--accent-glow);
}

.platform-icon {
    width: 60px;
    height: 60px;
    margin: 0 auto var(--spacing-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(0, 212, 255, 0.1);
    border-radius: var(--radius-md);
    font-size: 1.5rem;
}

.platform-name {
    font-size: 0.875rem;
    font-weight: 600;
    margin-bottom: 0.25rem;
}

.platform-status {
    font-size: 0.75rem;
    color: var(--success);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.25rem;
}

.platform-status::before {
    content: '';
    width: 6px;
    height: 6px;
    background: var(--success);
    border-radius: 50%;
    animation: status-pulse 2s ease-in-out infinite;
}

@keyframes status-pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

/* ============================================
   核心功能展示
   ============================================ */
.features {
    padding: var(--spacing-xl) 0;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-md);
    margin-top: var(--spacing-lg);
}

.feature-card-large {
    background: var(--bg-glass);
    backdrop-filter: blur(20px);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: var(--spacing-md);
    transition: all var(--transition-normal);
    position: relative;
    overflow: hidden;
}

.feature-card-large::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--accent-gradient);
}

.feature-card-large:hover {
    transform: translateY(-5px);
    border-color: var(--accent-primary);
    box-shadow: var(--shadow-glow);
}

.feature-card-large.featured {
    grid-column: span 2;
    grid-row: span 2;
}

.feature-icon-large {
    width: 60px;
    height: 60px;
    background: var(--accent-gradient);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    margin-bottom: var(--spacing-sm);
    box-shadow: var(--accent-glow);
}

.feature-title {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
}

.feature-description {
    color: var(--text-muted);
    font-size: 0.95rem;
    margin-bottom: var(--spacing-sm);
}

.feature-list {
    list-style: none;
    margin-bottom: var(--spacing-md);
}

.feature-list li {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.375rem 0;
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.feature-list li i {
    color: var(--success);
    font-size: 0.875rem;
}

.feature-preview {
    background: rgba(0, 0, 0, 0.3);
    border-radius: var(--radius-md);
    padding: var(--spacing-sm);
    margin-top: var(--spacing-sm);
}

.feature-preview img {
    width: 100%;
    border-radius: var(--radius-sm);
}

/* ============================================
   数据展示区域
   ============================================ */
.data-showcase {
    padding: var(--spacing-xl) 0;
    background: linear-gradient(180deg, transparent 0%, rgba(124, 58, 237, 0.05) 50%, transparent 100%);
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--spacing-md);
    margin-top: var(--spacing-lg);
}

.stat-card {
    background: var(--bg-glass);
    backdrop-filter: blur(20px);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: var(--spacing-md);
    text-align: center;
    transition: all var(--transition-normal);
}

.stat-card:hover {
    transform: translateY(-5px);
    border-color: var(--accent-primary);
    box-shadow: var(--shadow-glow);
}

.stat-icon {
    width: 50px;
    height: 50px;
    background: rgba(0, 212, 255, 0.1);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto var(--spacing-sm);
    font-size: 1.25rem;
    color: var(--accent-primary);
}

.stat-number {
    font-size: 2.5rem;
    font-weight: 800;
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 0.5rem;
}

.stat-label {
    font-size: 0.9rem;
    color: var(--text-muted);
}

/* ============================================
   应用场景
   ============================================ */
.scenarios {
    padding: var(--spacing-xl) 0;
}

.scenarios-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-md);
    margin-top: var(--spacing-lg);
}

.scenario-card {
    background: var(--bg-glass);
    backdrop-filter: blur(20px);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: var(--spacing-md);
    transition: all var(--transition-normal);
}

.scenario-card:hover {
    transform: translateY(-5px);
    border-color: var(--accent-primary);
    box-shadow: var(--shadow-glow);
}

.scenario-header {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-sm);
}

.scenario-icon {
    width: 50px;
    height: 50px;
    background: var(--accent-gradient);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
}

.scenario-title {
    font-size: 1.25rem;
    font-weight: 700;
}

.scenario-subtitle {
    font-size: 0.875rem;
    color: var(--text-muted);
}

.scenario-content {
    margin-bottom: var(--spacing-sm);
}

.scenario-problem {
    background: rgba(239, 68, 68, 0.1);
    border-left: 3px solid var(--danger);
    padding: var(--spacing-sm);
    border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
    margin-bottom: var(--spacing-sm);
}

.scenario-solution {
    background: rgba(16, 185, 129, 0.1);
    border-left: 3px solid var(--success);
    padding: var(--spacing-sm);
    border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
    margin-bottom: var(--spacing-sm);
}

.scenario-result {
    display: flex;
    gap: var(--spacing-md);
    padding-top: var(--spacing-sm);
    border-top: 1px solid var(--border-color);
}

.scenario-result-item {
    text-align: center;
}

.scenario-result-value {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--success);
}

.scenario-result-label {
    font-size: 0.75rem;
    color: var(--text-muted);
}

/* ============================================
   定价方案
   ============================================ */
.pricing {
    padding: var(--spacing-xl) 0;
    background: linear-gradient(180deg, transparent 0%, rgba(0, 212, 255, 0.03) 50%, transparent 100%);
}

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--spacing-md);
    margin-top: var(--spacing-lg);
    align-items: start;
}

.pricing-card {
    background: var(--bg-glass);
    backdrop-filter: blur(20px);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: var(--spacing-md);
    transition: all var(--transition-normal);
    position: relative;
}

.pricing-card:hover {
    transform: translateY(-5px);
    border-color: var(--accent-primary);
    box-shadow: var(--shadow-glow);
}

.pricing-card.popular {
    border-color: var(--accent-primary);
    box-shadow: var(--accent-glow);
    transform: scale(1.05);
}

.pricing-card.popular::before {
    content: '最受欢迎';
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--accent-gradient);
    color: white;
    padding: 0.25rem 1rem;
    border-radius: 50px;
    font-size: 0.75rem;
    font-weight: 600;
}

.pricing-header {
    text-align: center;
    padding-bottom: var(--spacing-sm);
    border-bottom: 1px solid var(--border-color);
    margin-bottom: var(--spacing-sm);
}

.pricing-name {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
}

.pricing-price {
    font-size: 2.5rem;
    font-weight: 800;
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.pricing-price span {
    font-size: 1rem;
    font-weight: 400;
    -webkit-text-fill-color: var(--text-muted);
}

.pricing-description {
    font-size: 0.875rem;
    color: var(--text-muted);
    margin-top: 0.5rem;
}

.pricing-features {
    list-style: none;
    margin-bottom: var(--spacing-md);
}

.pricing-features li {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 0;
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.pricing-features li i {
    color: var(--success);
    font-size: 0.875rem;
}

.pricing-features li.disabled {
    color: var(--text-muted);
}

.pricing-features li.disabled i {
    color: var(--text-muted);
}

.pricing-cta {
    width: 100%;
}

/* ============================================
   技术架构
   ============================================ */
.architecture {
    padding: var(--spacing-xl) 0;
}

.architecture-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-lg);
    margin-top: var(--spacing-lg);
    align-items: center;
}

.architecture-diagram {
    background: var(--bg-glass);
    backdrop-filter: blur(20px);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: var(--spacing-md);
}

.architecture-diagram img {
    width: 100%;
    border-radius: var(--radius-md);
}

.architecture-features {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.architecture-feature {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm);
    background: rgba(0, 212, 255, 0.05);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
}

.architecture-feature:hover {
    border-color: var(--accent-primary);
    background: rgba(0, 212, 255, 0.1);
}

.architecture-feature-icon {
    width: 40px;
    height: 40px;
    background: var(--accent-gradient);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1rem;
    flex-shrink: 0;
}

.architecture-feature-content h4 {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 0.25rem;
}

.architecture-feature-content p {
    font-size: 0.875rem;
    color: var(--text-muted);
}

/* ============================================
   信任背书
   ============================================ */
.trust {
    padding: var(--spacing-xl) 0;
    background: linear-gradient(180deg, transparent 0%, rgba(16, 185, 129, 0.03) 50%, transparent 100%);
}

.trust-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--spacing-md);
    margin-top: var(--spacing-lg);
}

.trust-card {
    background: var(--bg-glass);
    backdrop-filter: blur(20px);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: var(--spacing-md);
    text-align: center;
    transition: all var(--transition-normal);
}

.trust-card:hover {
    transform: translateY(-5px);
    border-color: var(--accent-primary);
}

.trust-icon {
    width: 60px;
    height: 60px;
    background: rgba(0, 212, 255, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto var(--spacing-sm);
    font-size: 1.5rem;
    color: var(--accent-primary);
}

.trust-number {
    font-size: 2rem;
    font-weight: 800;
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 0.5rem;
}

.trust-label {
    font-size: 0.9rem;
    color: var(--text-muted);
}

/* ============================================
   联系我们
   ============================================ */
.contact {
    padding: var(--spacing-xl) 0;
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: var(--spacing-lg);
    margin-top: var(--spacing-lg);
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.contact-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm);
    background: var(--bg-glass);
    backdrop-filter: blur(20px);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
}

.contact-item:hover {
    border-color: var(--accent-primary);
    transform: translateX(5px);
}

.contact-icon {
    width: 50px;
    height: 50px;
    background: var(--accent-gradient);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    flex-shrink: 0;
}

.contact-details h4 {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 0.25rem;
}

.contact-details p {
    font-size: 0.9rem;
    color: var(--text-muted);
}

.contact-form-wrapper {
    background: var(--bg-glass);
    backdrop-filter: blur(20px);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: var(--spacing-md);
}

.form-group {
    margin-bottom: var(--spacing-sm);
}

.form-group label {
    display: block;
    font-size: 0.9rem;
    font-weight: 500;
    margin-bottom: 0.5rem;
    color: var(--text-secondary);
}

.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 0.75rem 1rem;
    background: rgba(0, 0, 0, 0.3);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    font-size: 1rem;
    transition: all var(--transition-fast);
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--accent-primary);
    box-shadow: 0 0 0 3px rgba(0, 212, 255, 0.1);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: var(--text-muted);
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-sm);
}

/* ============================================
   页脚
   ============================================ */
.footer {
    background: var(--bg-secondary);
    border-top: 1px solid var(--border-color);
    padding: var(--spacing-lg) 0 var(--spacing-md);
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
}

.footer-brand {
    max-width: 300px;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    font-size: 1.5rem;
    font-weight: 700;
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: var(--spacing-sm);
}

.footer-description {
    font-size: 0.9rem;
    color: var(--text-muted);
    margin-bottom: var(--spacing-sm);
}

.footer-social {
    display: flex;
    gap: var(--spacing-xs);
}

.footer-social a {
    width: 40px;
    height: 40px;
    background: rgba(0, 212, 255, 0.1);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-secondary);
    transition: all var(--transition-fast);
}

.footer-social a:hover {
    background: var(--accent-primary);
    border-color: var(--accent-primary);
    color: white;
}

.footer-links h4 {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
}

.footer-links ul {
    list-style: none;
}

.footer-links li {
    margin-bottom: 0.5rem;
}

.footer-links a {
    color: var(--text-muted);
    text-decoration: none;
    font-size: 0.9rem;
    transition: color var(--transition-fast);
}

.footer-links a:hover {
    color: var(--accent-primary);
}

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: var(--spacing-md);
    border-top: 1px solid var(--border-color);
}

.footer-copyright {
    font-size: 0.875rem;
    color: var(--text-muted);
}

.footer-badges {
    display: flex;
    gap: var(--spacing-sm);
}

.footer-badge {
    padding: 0.25rem 0.75rem;
    background: rgba(0, 212, 255, 0.1);
    border: 1px solid var(--border-color);
    border-radius: 50px;
    font-size: 0.75rem;
    color: var(--text-muted);
}

/* ============================================
   动画效果
   ============================================ */
.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

/* 数字滚动动画 */
.count-up {
    font-variant-numeric: tabular-nums;
}

/* 发光效果 */
.glow {
    box-shadow: var(--accent-glow);
}

.glow-text {
    text-shadow: 0 0 20px rgba(0, 212, 255, 0.5);
}

/* 玻璃拟态 */
.glass {
    background: var(--bg-glass);
    backdrop-filter: blur(20px);
    border: 1px solid var(--border-color);
}

/* 渐变文字 */
.gradient-text {
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* ============================================
   响应式设计
   ============================================ */
@media (max-width: 1200px) {
    .platforms-grid {
        grid-template-columns: repeat(4, 1fr);
    }
    
    .pricing-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .trust-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 992px) {
    .hero .container {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .hero-content {
        order: 2;
    }
    
    .hero-visual {
        order: 1;
    }
    
    .hero h1 {
        font-size: 2.5rem;
    }
    
    .hero-buttons {
        justify-content: center;
    }
    
    .hero-stats {
        justify-content: center;
    }
    
    .features-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .feature-card-large.featured {
        grid-column: span 2;
        grid-row: span 1;
    }
    
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .architecture-content {
        grid-template-columns: 1fr;
    }
    
    .contact-content {
        grid-template-columns: 1fr;
    }
    
    .footer-content {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* ============================================
   移动端适配 - 平板及以下设备 (max-width: 991px)
   ============================================ */
@media (max-width: 991px) {
    .hero .container {
        grid-template-columns: 1fr;
        text-align: center;
        gap: var(--spacing-md);
    }
    
    .hero-content {
        order: 2;
    }
    
    .hero-visual {
        order: 1;
    }
    
    .hero h1 {
        font-size: 2.5rem;
    }
    
    .hero h1 span {
        font-size: 1.1rem;
    }
    
    .hero-buttons {
        justify-content: center;
    }
    
    .hero-stats {
        justify-content: center;
    }
    
    .features-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .feature-card-large.featured {
        grid-column: span 2;
        grid-row: span 1;
    }
    
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .architecture-content {
        grid-template-columns: 1fr;
    }
    
    .contact-content {
        grid-template-columns: 1fr;
    }
    
    .footer-content {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* ============================================
   移动端适配 - 手机设备 (max-width: 767px)
   ============================================ */
@media (max-width: 767px) {
    :root {
        --spacing-md: 1rem;
        --spacing-lg: 2rem;
        --spacing-xl: 3rem;
    }
    
    .navbar .container {
        padding: 0.75rem 1rem;
    }
    
    /* 移动端菜单样式优化 */
    .navbar-menu {
        display: flex;
        position: fixed;
        top: 60px;
        left: 0;
        right: 0;
        bottom: 0;
        background: rgba(10, 15, 26, 0.98);
        backdrop-filter: blur(20px);
        flex-direction: column;
        padding: var(--spacing-sm) 0;
        border-top: 1px solid var(--border-color);
        z-index: 999;
        overflow-y: auto;
        transform: translateX(-100%);
        transition: transform var(--transition-normal);
    }
    
    .navbar-menu.mobile-open {
        transform: translateX(0);
    }
    
    .navbar-item {
        padding: 1rem 1.5rem;
        font-size: 1.1rem;
        border-bottom: 1px solid var(--border-color);
        min-height: 56px;
        display: flex;
        align-items: center;
        transition: all var(--transition-fast);
    }
    
    .navbar-item:hover {
        background: rgba(0, 212, 255, 0.1);
        padding-left: 1.75rem;
    }
    
    .navbar-item::after {
        display: none;
    }
    
    .navbar-item.btn {
        margin: 1rem;
        justify-content: center;
        border-radius: var(--radius-md);
    }
    
    .mobile-menu-btn {
        display: flex;
    }
    
    /* Hero区域移动端优化 */
    .hero {
        padding: 100px 0 60px;
        min-height: auto;
    }
    
    .hero h1 {
        font-size: 1.75rem;
        line-height: 1.3;
    }
    
    .hero h1 span {
        font-size: 0.95rem;
        margin-top: 0.75rem;
    }
    
    .hero-description {
        font-size: 0.95rem;
        line-height: 1.6;
    }
    
    .hero-buttons {
        flex-direction: column;
        gap: 0.75rem;
    }
    
    .hero-buttons .btn {
        width: 100%;
        padding: 0.875rem 1.5rem;
        min-height: 48px;
    }
    
    .hero-stats {
        flex-direction: row;
        flex-wrap: wrap;
        gap: 1.5rem;
        justify-content: center;
    }
    
    .hero-stat {
        flex: 1;
        min-width: 80px;
        max-width: 120px;
    }
    
    .hero-stat-number {
        font-size: 1.75rem;
    }
    
    /* 仪表盘预览移动端优化 */
    .hero-dashboard-preview {
        padding: var(--spacing-sm);
    }
    
    .dashboard-header {
        flex-direction: column;
        gap: 0.5rem;
        text-align: center;
    }
    
    .dashboard-title {
        font-size: 0.9rem;
    }
    
    .dashboard-time {
        font-size: 0.75rem;
    }
    
    .dashboard-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 0.5rem;
    }
    
    .dashboard-card {
        padding: 0.75rem;
    }
    
    .dashboard-card-title {
        font-size: 0.75rem;
    }
    
    .dashboard-card-value {
        font-size: 1.1rem;
    }
    
    .dashboard-chart {
        height: 40px;
    }
    
    /* 章节标题移动端优化 */
    .section-title {
        font-size: 1.5rem;
        line-height: 1.3;
    }
    
    .section-subtitle {
        font-size: 0.9rem;
        line-height: 1.5;
    }
    
    .section-label {
        font-size: 0.8rem;
        padding: 0.375rem 0.875rem;
    }
    
    /* 平台展示区域移动端优化 */
    .platforms-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 0.75rem;
    }
    
    .platform-card {
        padding: 1rem 0.5rem;
        border-radius: var(--radius-sm);
    }
    
    .platform-icon {
        width: 48px;
        height: 48px;
        font-size: 1.25rem;
        margin-bottom: 0.5rem;
    }
    
    .platform-name {
        font-size: 0.8rem;
    }
    
    .platform-status {
        font-size: 0.7rem;
    }
    
    /* 功能模块网格移动端优化 */
    .features-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 0.75rem;
    }
    
    .feature-card-large.featured {
        grid-column: span 2;
        grid-row: span 1;
    }
    
    .feature-card-large {
        padding: 1rem;
    }
    
    .feature-icon-large {
        width: 48px;
        height: 48px;
        font-size: 1.25rem;
        margin-bottom: 0.75rem;
    }
    
    .feature-title {
        font-size: 1.1rem;
        margin-bottom: 0.5rem;
    }
    
    .feature-description {
        font-size: 0.85rem;
    }
    
    .feature-list li {
        font-size: 0.85rem;
        padding: 0.25rem 0;
    }
    
    /* 应用场景卡片移动端优化 */
    .scenarios-grid {
        grid-template-columns: 1fr;
        gap: 1rem;
    }
    
    .scenario-card {
        padding: 1rem;
    }
    
    .scenario-header {
        gap: 0.75rem;
        margin-bottom: 0.75rem;
    }
    
    .scenario-icon {
        width: 44px;
        height: 44px;
        font-size: 1.1rem;
    }
    
    .scenario-title {
        font-size: 1.1rem;
    }
    
    .scenario-subtitle {
        font-size: 0.8rem;
    }
    
    .scenario-problem,
    .scenario-solution {
        padding: 0.75rem;
        font-size: 0.85rem;
    }
    
    .scenario-result {
        flex-direction: row;
        flex-wrap: wrap;
        gap: 1rem;
        padding-top: 0.75rem;
    }
    
    .scenario-result-value {
        font-size: 1.25rem;
    }
    
    .scenario-result-label {
        font-size: 0.7rem;
    }
    
    /* 定价方案移动端优化 */
    .pricing-grid {
        grid-template-columns: 1fr;
        gap: 1rem;
    }
    
    .pricing-card {
        padding: 1.25rem;
        border-radius: var(--radius-md);
    }
    
    .pricing-card.popular {
        transform: none;
        order: -1;
        border-width: 2px;
    }
    
    .pricing-card.popular::before {
        font-size: 0.7rem;
        padding: 0.2rem 0.75rem;
        top: -10px;
    }
    
    .pricing-name {
        font-size: 1.1rem;
    }
    
    .pricing-price {
        font-size: 2rem;
    }
    
    .pricing-description {
        font-size: 0.8rem;
    }
    
    .pricing-features {
        margin-bottom: 1rem;
    }
    
    .pricing-features li {
        padding: 0.375rem 0;
        font-size: 0.85rem;
    }
    
    .pricing-cta {
        padding: 0.75rem 1rem;
        min-height: 48px;
    }
    
    /* 统计数据展示移动端优化 */
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 0.75rem;
    }
    
    .stat-card {
        padding: 1rem;
        border-radius: var(--radius-md);
    }
    
    .stat-icon {
        width: 44px;
        height: 44px;
        font-size: 1.1rem;
        margin-bottom: 0.75rem;
    }
    
    .stat-number {
        font-size: 1.5rem;
    }
    
    .stat-label {
        font-size: 0.8rem;
    }
    
    /* 信任背书区域移动端优化 */
    .trust-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 0.75rem;
    }
    
    .trust-card {
        padding: 1rem;
        border-radius: var(--radius-md);
    }
    
    .trust-icon {
        width: 50px;
        height: 50px;
        font-size: 1.25rem;
        margin-bottom: 0.75rem;
    }
    
    .trust-number {
        font-size: 1.5rem;
    }
    
    .trust-label {
        font-size: 0.8rem;
    }
    
    /* 技术架构区域移动端优化 */
    .architecture-content {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }
    
    .architecture-diagram {
        order: -1;
        padding: var(--spacing-sm);
    }
    
    .architecture-features {
        gap: 0.75rem;
    }
    
    .architecture-feature {
        padding: 0.875rem;
    }
    
    .architecture-feature-icon {
        width: 40px;
        height: 40px;
        font-size: 1rem;
    }
    
    .architecture-feature-content h4 {
        font-size: 0.95rem;
    }
    
    .architecture-feature-content p {
        font-size: 0.8rem;
    }
    
    /* 联系我们区域移动端优化 */
    .contact-content {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }
    
    .contact-info {
        order: 1;
        gap: 0.75rem;
    }
    
    .contact-item {
        padding: 0.875rem;
    }
    
    .contact-icon {
        width: 44px;
        height: 44px;
        font-size: 1.1rem;
    }
    
    .contact-details h4 {
        font-size: 0.95rem;
    }
    
    .contact-details p {
        font-size: 0.85rem;
    }
    
    .contact-form-wrapper {
        order: 0;
        padding: var(--spacing-md);
    }
    
    /* 页脚区域移动端优化 */
    .footer {
        padding: var(--spacing-md) 0 var(--spacing-sm);
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 1.5rem;
        margin-bottom: var(--spacing-md);
    }
    
    .footer-brand {
        max-width: 100%;
    }
    
    .footer-logo {
        justify-content: center;
        font-size: 1.25rem;
    }
    
    .footer-description {
        font-size: 0.85rem;
    }
    
    .footer-social {
        justify-content: center;
        gap: 0.75rem;
    }
    
    .footer-social a {
        width: 40px;
        height: 40px;
        font-size: 1rem;
    }
    
    .footer-links h4 {
        font-size: 0.95rem;
        margin-bottom: 0.75rem;
    }
    
    .footer-links li {
        margin-bottom: 0.375rem;
    }
    
    .footer-links a {
        font-size: 0.85rem;
    }
    
    .footer-bottom {
        flex-direction: column;
        gap: 0.75rem;
        text-align: center;
        padding-top: var(--spacing-sm);
    }
    
    .footer-copyright {
        font-size: 0.8rem;
    }
    
    .footer-badges {
        flex-wrap: wrap;
        justify-content: center;
        gap: 0.5rem;
    }
    
    .footer-badge {
        font-size: 0.7rem;
        padding: 0.2rem 0.625rem;
    }
    
    /* 表单移动端优化 */
    .form-row {
        grid-template-columns: 1fr;
        gap: 0;
    }
    
    .form-group {
        margin-bottom: 0.875rem;
    }
    
    .form-group label {
        font-size: 0.85rem;
        margin-bottom: 0.375rem;
    }
    
    .form-group input,
    .form-group textarea,
    .form-group select {
        padding: 0.625rem 0.875rem;
        font-size: 16px; /* 防止iOS缩放 */
        min-height: 44px;
    }
    
    .form-group textarea {
        min-height: 100px;
    }
    
    /* 截图展示区域移动端优化 */
    .screenshots-grid {
        grid-template-columns: 1fr;
        gap: 1rem;
    }
    
    .screenshot-card {
        border-radius: var(--radius-md);
    }
    
    .screenshot-card > div:last-child {
        padding: 0.875rem;
    }
    
    .screenshot-card h4 {
        font-size: 0.95rem;
    }
    
    .screenshot-card p {
        font-size: 0.8rem;
    }

/* ============================================
   移动端适配 - 超小屏幕设备 (max-width: 479px)
   针对iPhone SE等小屏手机优化
   ============================================ */
@media (max-width: 479px) {
    :root {
        --spacing-md: 0.875rem;
        --spacing-lg: 1.5rem;
        --spacing-xl: 2.5rem;
    }
    
    .container {
        padding: 0 0.875rem;
    }
    
    /* 超小屏幕Hero区域优化 */
    .hero {
        padding: 90px 0 50px;
    }
    
    .hero-badge {
        font-size: 0.75rem;
        padding: 0.375rem 0.75rem;
    }
    
    .hero h1 {
        font-size: 1.5rem;
        line-height: 1.25;
    }
    
    .hero h1 span {
        font-size: 0.85rem;
        margin-top: 0.5rem;
    }
    
    .hero-description {
        font-size: 0.875rem;
        line-height: 1.5;
    }
    
    .hero-buttons .btn {
        padding: 0.75rem 1rem;
        font-size: 0.875rem;
    }
    
    .hero-stats {
        gap: 0.75rem;
    }
    
    .hero-stat {
        min-width: 70px;
    }
    
    .hero-stat-number {
        font-size: 1.5rem;
    }
    
    .hero-stat-label {
        font-size: 0.7rem;
    }
    
    /* 超小屏幕章节标题优化 */
    .section-title {
        font-size: 1.25rem;
    }
    
    .section-subtitle {
        font-size: 0.85rem;
    }
    
    .btn {
        padding: 0.75rem 1.25rem;
        font-size: 0.875rem;
    }
    
    /* 超小屏幕平台展示优化 */
    .platforms-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 0.5rem;
    }
    
    .platform-card {
        padding: 0.75rem 0.375rem;
    }
    
    .platform-icon {
        width: 40px;
        height: 40px;
        font-size: 1rem;
    }
    
    .platform-name {
        font-size: 0.75rem;
    }
    
    .platform-status {
        font-size: 0.65rem;
    }
    
    /* 超小屏幕功能模块优化 */
    .features-grid {
        grid-template-columns: 1fr;
    }
    
    .feature-card-large.featured {
        grid-column: span 1;
    }
    
    .feature-card-large {
        padding: 0.875rem;
    }
    
    .feature-icon-large {
        width: 44px;
        height: 44px;
        font-size: 1.1rem;
    }
    
    .feature-title {
        font-size: 1rem;
    }
    
    /* 超小屏幕统计数据优化 */
    .stats-grid {
        grid-template-columns: 1fr;
    }
    
    .stat-card {
        padding: 0.875rem;
        display: flex;
        align-items: center;
        gap: 0.75rem;
        text-align: left;
    }
    
    .stat-icon {
        width: 40px;
        height: 40px;
        font-size: 1rem;
        margin: 0;
        flex-shrink: 0;
    }
    
    .stat-number {
        font-size: 1.5rem;
        margin-bottom: 0;
    }
    
    .stat-label {
        font-size: 0.75rem;
    }
    
    /* 超小屏幕信任背书优化 */
    .trust-grid {
        grid-template-columns: 1fr;
    }
    
    .trust-card {
        padding: 0.875rem;
        display: flex;
        align-items: center;
        gap: 0.75rem;
        text-align: left;
    }
    
    .trust-icon {
        width: 44px;
        height: 44px;
        font-size: 1.1rem;
        margin: 0;
    }
    
    .trust-number {
        font-size: 1.5rem;
        margin-bottom: 0;
    }
    
    .trust-label {
        font-size: 0.75rem;
    }
    
    /* 超小屏幕架构特性优化 */
    .architecture-feature {
        padding: 0.75rem;
    }
    
    .architecture-feature-icon {
        width: 36px;
        height: 36px;
        font-size: 0.875rem;
    }
    
    .architecture-feature-content h4 {
        font-size: 0.9rem;
    }
    
    .architecture-feature-content p {
        font-size: 0.75rem;
    }
    
    /* 超小屏幕定价方案优化 */
    .pricing-features li {
        font-size: 0.8rem;
    }
    
    .pricing-price {
        font-size: 1.75rem;
    }
    
    /* 超小屏幕联系区域优化 */
    .contact-item {
        padding: 0.75rem;
    }
    
    .contact-icon {
        width: 40px;
        height: 40px;
        font-size: 1rem;
    }
    
    .contact-details h4 {
        font-size: 0.9rem;
    }
    
    .contact-details p {
        font-size: 0.8rem;
    }
    
    /* 超小屏幕表单优化 */
    .form-group input,
    .form-group textarea,
    .form-group select {
        padding: 0.625rem 0.875rem;
        font-size: 16px; /* 防止iOS缩放 */
        min-height: 44px;
    }
}

/* ============================================
   减少动画偏好支持 - 提升可访问性
   ============================================ */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }
    
    .hero::before {
        animation: none;
    }
    
    .dashboard-chart::after {
        animation: none;
    }
    
    .hero-badge i {
        animation: none;
    }
    
    .platform-status::before {
        animation: none;
    }
}

/* ============================================
   横屏模式优化
   ============================================ */
@media (max-height: 500px) and (orientation: landscape) {
    .hero {
        min-height: auto;
        padding: 80px 0 40px;
    }
    
    .hero h1 {
        font-size: 1.5rem;
    }
    
    .hero-visual {
        display: none;
    }
    
    .navbar-menu {
        top: 50px;
    }
}

/* ============================================
   截图展示区域
   ============================================ */
.screenshot-card {
    position: relative;
    overflow: hidden;
}

.screenshot-card:hover {
    transform: translateY(-10px);
    border-color: var(--accent-primary);
    box-shadow: var(--shadow-glow);
}

.screenshot-card:hover img {
    transform: scale(1.05);
}

.screenshot-card img {
    width: 100%;
    height: auto;
    display: block;
    transition: transform var(--transition-slow);
}

/* ============================================
   功能模块数据卡片响应式
   ============================================ */

/* 平板设备 - 功能模块布局调整 */
@media (max-width: 991px) {
    .feature-module > div {
        grid-template-columns: 1fr !important;
    }
    
    .feature-module-data {
        order: -1;
    }
    
    .feature-module-info {
        text-align: center;
    }
    
    .feature-module-info .feature-list {
        text-align: left;
        max-width: 400px;
        margin: 0 auto;
    }
}

/* 手机设备 - 功能模块数据卡片优化 */
@media (max-width: 767px) {
    .feature-module-data {
        grid-template-columns: repeat(2, 1fr) !important;
        gap: 0.5rem !important;
    }
    
    .data-card {
        padding: 0.75rem !important;
        border-radius: var(--radius-sm) !important;
    }
    
    .data-card div:first-child {
        font-size: 0.75rem !important;
        margin-bottom: 0.375rem !important;
    }
    
    .data-card div:nth-child(2) {
        font-size: 1.5rem !important;
    }
    
    .data-card div:last-child {
        font-size: 0.625rem !important;
        margin-top: 0.25rem !important;
    }
    
    .features-grid {
        grid-template-columns: repeat(2, 1fr) !important;
    }
    
    .feature-card-compact {
        padding: 0.875rem !important;
        border-radius: var(--radius-md) !important;
    }
    
    .feature-card-compact h4 {
        font-size: 0.9rem !important;
    }
    
    .feature-card-compact > div:first-child {
        width: 44px !important;
        height: 44px !important;
        font-size: 1.1rem !important;
    }
}

/* 超小屏幕设备 - 功能模块单列布局 */
@media (max-width: 479px) {
    .feature-module-data {
        grid-template-columns: 1fr !important;
    }
    
    .data-card {
        padding: 0.875rem !important;
        display: flex;
        align-items: center;
        justify-content: space-between;
    }
    
    .data-card div:first-child {
        font-size: 0.8rem !important;
        margin-bottom: 0 !important;
    }
    
    .data-card div:nth-child(2) {
        font-size: 1.25rem !important;
    }
    
    .data-card div:last-child {
        font-size: 0.7rem !important;
        margin-top: 0 !important;
    }
    
    .features-grid {
        grid-template-columns: 1fr !important;
    }
    
    .feature-card-compact {
        padding: 1rem !important;
    }
}

/* ============================================
   滚动条样式
   ============================================ */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

::-webkit-scrollbar-track {
    background: var(--bg-secondary);
}

::-webkit-scrollbar-thumb {
    background: var(--border-color);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--accent-primary);
}

/* ============================================
   选择文本样式
   ============================================ */
::selection {
    background: rgba(0, 212, 255, 0.3);
    color: var(--text-primary);
}

/* ============================================
   移动端Toast提示框
   ============================================ */
.mobile-toast {
    position: fixed;
    top: 80px;
    left: 50%;
    transform: translateX(-50%) translateY(-100px);
    background: var(--bg-glass);
    backdrop-filter: blur(20px);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 1rem 1.5rem;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    z-index: 10000;
    opacity: 0;
    transition: all var(--transition-normal);
    box-shadow: var(--shadow-lg);
    max-width: 90vw;
    min-width: 200px;
}

.mobile-toast.show {
    opacity: 1;
    transform: translateX(-50%) translateY(0);
}

.mobile-toast.success {
    border-color: var(--success);
    background: rgba(16, 185, 129, 0.15);
}

.mobile-toast.success i {
    color: var(--success);
}

.mobile-toast.error {
    border-color: var(--danger);
    background: rgba(239, 68, 68, 0.15);
}

.mobile-toast.error i {
    color: var(--danger);
}

.mobile-toast.info {
    border-color: var(--accent-primary);
    background: rgba(0, 212, 255, 0.15);
}

.mobile-toast.info i {
    color: var(--accent-primary);
}

.mobile-toast i {
    font-size: 1.25rem;
    flex-shrink: 0;
}

.mobile-toast span {
    font-size: 0.9rem;
    color: var(--text-primary);
    white-space: nowrap;
}