/* CSS重置和基础样式 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    /* 颜色系统 - Web3风格 */
    --primary-color: #6366f1;
    --primary-dark: #4f46e5;
    --primary-light: #818cf8;
    --secondary-color: #8b5cf6;
    --accent-color: #06b6d4;
    --success-color: #10b981;
    --warning-color: #f59e0b;
    --error-color: #ef4444;
    
    /* 背景颜色 */
    --bg-primary: #0f0f23;
    --bg-secondary: #1a1a3a;
    --bg-tertiary: #2a2a4a;
    --bg-glass: rgba(255, 255, 255, 0.05);
    --bg-glass-hover: rgba(255, 255, 255, 0.1);
    
    /* 文本颜色 */
    --text-primary: #ffffff;
    --text-secondary: #a1a1aa;
    --text-tertiary: #71717a;
    
    /* 渐变 */
    --gradient-primary: linear-gradient(135deg, #6366f1 0%, #8b5cf6 100%);
    --gradient-secondary: linear-gradient(135deg, #06b6d4 0%, #3b82f6 100%);
    --gradient-success: linear-gradient(135deg, #10b981 0%, #059669 100%);
    --gradient-danger: linear-gradient(135deg, #ef4444 0%, #dc2626 100%);
    --gradient-text: linear-gradient(135deg, #6366f1 0%, #8b5cf6 50%, #06b6d4 100%);
    
    /* 阴影 */
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.12);
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.15);
    --shadow-lg: 0 10px 25px rgba(0, 0, 0, 0.2);
    --shadow-xl: 0 20px 40px rgba(0, 0, 0, 0.25);
    --shadow-glow: 0 0 30px rgba(99, 102, 241, 0.3);
    
    /* 字体 */
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', roboto, sans-serif;
    --font-mono: 'JetBrains Mono', 'Fira Code', monospace;
    --font-display: 'Space Grotesk', 'Inter', sans-serif;
    
    /* 间距 */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;
    --spacing-3xl: 4rem;
    
    /* 边框半径 */
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    --radius-2xl: 1.5rem;
    
    /* 动画时长 */
    --duration-fast: 0.15s;
    --duration-normal: 0.3s;
    --duration-slow: 0.5s;
    
    /* Z-index层级 */
    --z-dropdown: 1000;
    --z-sticky: 1020;
    --z-fixed: 1030;
    --z-modal: 1040;
    --z-popover: 1050;
    --z-tooltip: 1060;
}

/* 基础样式 */
html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: var(--font-primary);
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
    position: relative;
}

/* 背景粒子系统 */
#particles-js {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
}

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

/* 导航栏 */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: var(--z-fixed);
    background: rgba(15, 15, 35, 0.8);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    transition: all var(--duration-normal) ease;
}

.navbar.scrolled {
    background: rgba(15, 15, 35, 0.95);
    box-shadow: var(--shadow-lg);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
    height: 80px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.nav-brand {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-family: var(--font-display);
    font-weight: 700;
    font-size: 1.5rem;
    color: var(--text-primary);
    text-decoration: none;
}

.brand-logo {
    width: 40px;
    height: 40px;
    border-radius: var(--radius-lg);
    background: var(--gradient-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.2rem;
}

.nav-menu {
    display: flex;
    gap: var(--spacing-xl);
}

.nav-link {
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 500;
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-md);
    transition: all var(--duration-normal) ease;
    position: relative;
}

.nav-link:hover,
.nav-link.active {
    color: var(--text-primary);
    background: var(--bg-glass-hover);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 50%;
    width: 0;
    height: 2px;
    background: var(--gradient-primary);
    transition: all var(--duration-normal) ease;
    transform: translateX(-50%);
}

.nav-link:hover::after,
.nav-link.active::after {
    width: 80%;
}

/* 移动端导航 */
.nav-toggle {
    display: none;
    flex-direction: column;
    cursor: pointer;
    padding: var(--spacing-sm);
}

.bar {
    width: 25px;
    height: 3px;
    background: var(--text-primary);
    margin: 3px 0;
    transition: var(--duration-normal);
    border-radius: var(--radius-sm);
}

/* 语言切换按钮 */
.language-toggle {
    position: relative;
    margin-left: var(--spacing-lg);
}

.lang-btn {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 8px;
    color: var(--text-primary);
    cursor: pointer;
    transition: all 0.3s ease;
    font-size: 0.9rem;
    backdrop-filter: blur(10px);
}

.lang-btn:hover {
    background: rgba(255, 255, 255, 0.2);
    border-color: rgba(255, 255, 255, 0.3);
    transform: translateY(-1px);
}

.flag-icon {
    font-size: 1.2rem;
    line-height: 1;
}

.lang-text {
    font-weight: 500;
}

.lang-btn i {
    font-size: 0.8rem;
    transition: transform 0.3s ease;
}

.language-toggle.active .lang-btn i {
    transform: rotate(180deg);
}

/* 语言下拉菜单 */
.lang-dropdown {
    position: absolute;
    top: calc(100% + 8px);
    right: 0;
    background: var(--bg-glass);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 8px;
    padding: 0.5rem 0;
    min-width: 140px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all 0.3s ease;
    z-index: 1000;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
}

.language-toggle.active .lang-dropdown {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.lang-option {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem 1rem;
    color: var(--text-secondary);
    cursor: pointer;
    transition: all 0.2s ease;
    font-size: 0.9rem;
}

.lang-option:hover {
    background: rgba(255, 255, 255, 0.1);
    color: var(--text-primary);
}

.lang-option.active {
    color: var(--primary-color);
    background: rgba(99, 102, 241, 0.1);
}

.lang-option.active .flag-icon {
    filter: none;
}

/* 英雄区域 */
.hero-section {
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    overflow: hidden;
    padding: 100px 0 var(--spacing-3xl);
}

.hero-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-3xl);
    align-items: center;
}

.hero-content {
    z-index: 2;
}

.hero-badge {
    display: inline-block;
    position: relative;
    background: var(--bg-glass);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(99, 102, 241, 0.3);
    border-radius: 50px;
    padding: var(--spacing-sm) var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
    overflow: hidden;
}

.badge-text {
    font-size: 0.875rem;
    font-weight: 600;
    background: var(--gradient-text);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    position: relative;
    z-index: 2;
}

.badge-glow {
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: conic-gradient(from 0deg, var(--primary-color), var(--secondary-color), var(--accent-color), var(--primary-color));
    opacity: 0.1;
    animation: rotate 3s linear infinite;
    z-index: 1;
}

.hero-title {
    font-family: var(--font-display);
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: var(--spacing-lg);
}

.title-gradient {
    background: var(--gradient-text);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.title-secondary {
    color: var(--text-primary);
    font-weight: 500;
    font-size: 0.7em;
    opacity: 0.9;
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
}

.hero-description {
    font-size: 1.125rem;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-2xl);
    line-height: 1.7;
    max-width: 500px;
}

/* 统计数据 */
.hero-stats {
    display: flex;
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-2xl);
}

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

.stat-number {
    font-family: var(--font-mono);
    font-size: 2rem;
    font-weight: 700;
    color: var(--primary-light);
    display: block;
}

.stat-label {
    font-size: 0.875rem;
    color: var(--text-tertiary);
    margin-top: var(--spacing-xs);
}

/* 英雄区域按钮 */
.hero-actions {
    display: flex;
    gap: var(--spacing-md);
    flex-wrap: wrap;
}

/* 终端视觉效果 */
.hero-visual {
    display: flex;
    justify-content: center;
    align-items: center;
}

.terminal-window {
    background: rgba(0, 0, 0, 0.8);
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow-xl);
    border: 1px solid rgba(255, 255, 255, 0.1);
    width: 100%;
    max-width: 500px;
}

.terminal-header {
    background: rgba(255, 255, 255, 0.05);
    padding: var(--spacing-md);
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.terminal-buttons {
    display: flex;
    gap: var(--spacing-xs);
}

.terminal-buttons span {
    width: 12px;
    height: 12px;
    border-radius: 50%;
}

.btn-close { background: #ff5f57; }
.btn-minimize { background: #ffbd2e; }
.btn-maximize { background: #28ca42; }

.terminal-title {
    font-family: var(--font-mono);
    font-size: 0.875rem;
    color: var(--text-secondary);
}

.terminal-body {
    padding: var(--spacing-lg);
    font-family: var(--font-mono);
    font-size: 0.875rem;
    line-height: 1.5;
}

.terminal-line {
    margin-bottom: var(--spacing-sm);
    opacity: 0;
    animation: fadeInUp 0.8s ease forwards;
}

.terminal-line.delay-1 { animation-delay: 1s; }
.terminal-line.delay-2 { animation-delay: 2s; }
.terminal-line.delay-3 { animation-delay: 3s; }
.terminal-line.delay-4 { animation-delay: 4s; }

.prompt {
    color: var(--primary-light);
    margin-right: var(--spacing-sm);
}

.command {
    color: var(--text-primary);
}

.output.success { color: var(--success-color); }
.output.info { color: var(--accent-color); }
.output.warning { color: var(--warning-color); }

/* 浮动元素 */
.floating-elements {
    position: absolute;
    width: 100%;
    height: 100%;
    pointer-events: none;
}

.floating-icon {
    position: absolute;
    font-size: 1.5rem;
    color: var(--primary-light);
    opacity: 0.1;
    animation: float 6s ease-in-out infinite;
}

.floating-icon:nth-child(1) {
    top: 20%;
    left: 10%;
    animation-delay: 0s;
}

.floating-icon:nth-child(2) {
    top: 60%;
    left: 85%;
    animation-delay: 1.5s;
}

.floating-icon:nth-child(3) {
    top: 30%;
    left: 80%;
    animation-delay: 3s;
}

.floating-icon:nth-child(4) {
    top: 80%;
    left: 15%;
    animation-delay: 4.5s;
}

/* 区域标题样式 */
.section-header {
    text-align: center;
    margin-bottom: var(--spacing-3xl);
}

.section-title {
    font-family: var(--font-display);
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 700;
    margin-bottom: var(--spacing-lg);
}

.section-description {
    font-size: 1.125rem;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto;
    line-height: 1.7;
}

/* 功能特色区域 */
.features-section {
    padding: var(--spacing-3xl) 0;
    position: relative;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: var(--spacing-xl);
}

.feature-card {
    background: var(--bg-glass);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-xl);
    padding: var(--spacing-2xl);
    transition: all var(--duration-normal) ease;
    position: relative;
    overflow: hidden;
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-xl);
    border-color: rgba(99, 102, 241, 0.3);
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: var(--gradient-primary);
    opacity: 0;
    transition: opacity var(--duration-normal) ease;
}

.feature-card:hover::before {
    opacity: 1;
}

.feature-icon {
    width: 60px;
    height: 60px;
    border-radius: var(--radius-lg);
    background: var(--gradient-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--spacing-lg);
    font-size: 1.5rem;
    color: white;
}

.feature-title {
    font-family: var(--font-display);
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: var(--spacing-md);
    color: var(--text-primary);
}

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

.feature-tech {
    display: flex;
    gap: var(--spacing-sm);
    flex-wrap: wrap;
}

.tech-tag {
    background: rgba(99, 102, 241, 0.1);
    color: var(--primary-light);
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-md);
    font-size: 0.75rem;
    font-weight: 500;
    border: 1px solid rgba(99, 102, 241, 0.2);
}

/* 工具截图区域 */
.screenshots-section {
    padding: var(--spacing-3xl) 0;
    background: linear-gradient(135deg, var(--bg-secondary) 0%, var(--bg-primary) 100%);
}

.screenshots-container {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-2xl);
}

.screenshot-item {
    border-radius: var(--radius-2xl);
    overflow: hidden;
    box-shadow: var(--shadow-xl);
    transition: all var(--duration-slow) ease;
}

.screenshot-item:hover {
    transform: scale(1.02);
    box-shadow: 0 25px 50px rgba(0, 0, 0, 0.3);
}

.screenshot-wrapper {
    background: var(--bg-tertiary);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.screenshot-header {
    background: rgba(0, 0, 0, 0.5);
    padding: var(--spacing-md);
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.window-controls {
    display: flex;
    gap: var(--spacing-xs);
}

.control-btn {
    width: 12px;
    height: 12px;
    border-radius: 50%;
}

.control-btn.close { background: #ff5f57; }
.control-btn.minimize { background: #ffbd2e; }
.control-btn.maximize { background: #28ca42; }

.window-title {
    font-family: var(--font-mono);
    font-size: 0.875rem;
    color: var(--text-secondary);
}

.screenshot-content {
    padding: var(--spacing-xl);
    min-height: 300px;
}

/* 仪表板模拟样式 */
.dashboard-mockup .stats-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
}

.stat-card {
    background: var(--bg-glass);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.stat-icon {
    width: 50px;
    height: 50px;
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    color: white;
}

.stat-icon.blue { background: var(--gradient-primary); }
.stat-icon.red { background: var(--gradient-danger); }
.stat-icon.green { background: var(--gradient-success); }
.stat-icon.orange { background: linear-gradient(135deg, #f59e0b 0%, #d97706 100%); }

.stat-info .stat-number {
    font-family: var(--font-mono);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
}

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

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

.action-btn {
    background: var(--bg-glass);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-lg);
    padding: var(--spacing-md) var(--spacing-lg);
    color: var(--text-primary);
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    transition: all var(--duration-normal) ease;
    cursor: pointer;
    font-family: var(--font-primary);
    font-size: 0.875rem;
}

.action-btn.primary {
    background: var(--gradient-primary);
    border-color: var(--primary-color);
}

.action-btn:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

/* 扫描历史模拟样式 */
.history-mockup .history-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-lg);
    gap: var(--spacing-md);
    flex-wrap: wrap;
}

.search-bar {
    flex: 1;
    min-width: 300px;
    position: relative;
}

.search-bar input {
    width: 100%;
    background: var(--bg-glass);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-lg);
    padding: var(--spacing-md) var(--spacing-md) var(--spacing-md) 40px;
    color: var(--text-primary);
    font-family: var(--font-primary);
}

.search-bar i {
    position: absolute;
    left: var(--spacing-md);
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-tertiary);
}

.filter-buttons {
    display: flex;
    gap: var(--spacing-sm);
}

.filter-btn {
    background: var(--bg-glass);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-md);
    padding: var(--spacing-sm) var(--spacing-md);
    color: var(--text-secondary);
    cursor: pointer;
    transition: all var(--duration-normal) ease;
    font-family: var(--font-primary);
    font-size: 0.875rem;
}

.filter-btn.active,
.filter-btn:hover {
    background: var(--primary-color);
    color: white;
    border-color: var(--primary-color);
}

.history-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.history-item {
    background: var(--bg-glass);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    transition: all var(--duration-normal) ease;
}

.history-item:hover {
    border-color: rgba(99, 102, 241, 0.3);
    background: rgba(255, 255, 255, 0.08);
}

.item-status {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    flex-shrink: 0;
}

.item-status.completed { background: var(--success-color); }

.item-info {
    flex: 1;
}

.item-url {
    color: var(--text-primary);
    font-weight: 500;
    margin-bottom: var(--spacing-xs);
    font-size: 0.875rem;
}

.item-meta {
    color: var(--text-tertiary);
    font-size: 0.75rem;
}

.item-status-badge {
    background: rgba(16, 185, 129, 0.1);
    color: var(--success-color);
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-md);
    font-size: 0.75rem;
    font-weight: 500;
}

/* 数据提取模拟样式 */
.extraction-mockup {
    display: grid;
    grid-template-columns: 300px 1fr;
    gap: var(--spacing-lg);
    min-height: 400px;
}

.extraction-sidebar {
    background: var(--bg-glass);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.url-info {
    margin-bottom: var(--spacing-lg);
    padding-bottom: var(--spacing-lg);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

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

.url-status {
    background: rgba(156, 163, 175, 0.1);
    color: var(--text-secondary);
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-md);
    font-size: 0.75rem;
    display: inline-block;
}

.db-item,
.table-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm);
    border-radius: var(--radius-md);
    margin-bottom: var(--spacing-sm);
    transition: all var(--duration-normal) ease;
}

.db-item:hover,
.table-item:hover {
    background: rgba(255, 255, 255, 0.05);
}

.table-list {
    margin-left: var(--spacing-lg);
    margin-top: var(--spacing-sm);
}

.table-list .table-item {
    font-size: 0.875rem;
}

.extract-btn {
    background: var(--primary-color);
    border: none;
    border-radius: var(--radius-sm);
    padding: var(--spacing-xs) var(--spacing-sm);
    color: white;
    font-size: 0.75rem;
    cursor: pointer;
    transition: all var(--duration-normal) ease;
    margin-left: auto;
}

.extract-btn:hover {
    background: var(--primary-dark);
    transform: translateY(-1px);
}

.extraction-content {
    background: var(--bg-glass);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.table-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-lg);
    padding-bottom: var(--spacing-md);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.table-header h3 {
    color: var(--text-primary);
    font-size: 1.125rem;
    font-weight: 600;
}

.record-count {
    color: var(--text-tertiary);
    font-size: 0.875rem;
}

.data-table {
    display: grid;
    gap: var(--spacing-xs);
}

.table-row {
    display: grid;
    grid-template-columns: repeat(6, 1fr);
    gap: var(--spacing-sm);
    padding: var(--spacing-sm);
    border-radius: var(--radius-sm);
    transition: all var(--duration-normal) ease;
}

.table-row.header {
    background: rgba(255, 255, 255, 0.05);
    font-weight: 600;
}

.table-row:not(.header):hover {
    background: rgba(255, 255, 255, 0.03);
}

.table-cell {
    color: var(--text-secondary);
    font-size: 0.875rem;
    font-family: var(--font-mono);
    padding: var(--spacing-xs);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.table-row.header .table-cell {
    color: var(--text-primary);
    font-family: var(--font-primary);
    font-weight: 600;
}

/* 敏感信息检测样式 */
.sensitive-mockup {
    padding: var(--spacing-lg);
}

.sensitive-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-xl);
    padding-bottom: var(--spacing-md);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.sensitive-header h3 {
    color: var(--text-primary);
    font-size: 1.25rem;
    font-weight: 600;
}

.detection-count {
    background: rgba(239, 68, 68, 0.2);
    color: var(--error-color);
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-md);
    font-size: 0.875rem;
    font-weight: 600;
}

.sensitive-categories {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
}

.category-card {
    background: var(--bg-glass);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    transition: all var(--duration-normal) ease;
}

.category-card:hover {
    border-color: rgba(239, 68, 68, 0.3);
    transform: translateY(-2px);
}

.category-icon {
    width: 40px;
    height: 40px;
    border-radius: var(--radius-lg);
    background: linear-gradient(135deg, #ef4444 0%, #dc2626 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--spacing-md);
    font-size: 1.125rem;
    color: white;
}

.category-info {
    margin-bottom: var(--spacing-md);
}

.category-title {
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--spacing-xs);
    font-size: 1rem;
}

.category-count {
    color: var(--text-secondary);
    font-size: 0.875rem;
}

.category-samples {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}

.sample-item {
    background: rgba(0, 0, 0, 0.3);
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-sm);
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: var(--text-secondary);
    border-left: 2px solid var(--error-color);
}

.sensitive-details {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: var(--spacing-lg);
}

.detail-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-lg);
}

.detail-header h4 {
    color: var(--text-primary);
    font-weight: 600;
}

.export-btn {
    background: var(--primary-color);
    border: none;
    border-radius: var(--radius-md);
    padding: var(--spacing-sm) var(--spacing-md);
    color: white;
    font-size: 0.875rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    transition: all var(--duration-normal) ease;
}

.export-btn:hover {
    background: var(--primary-dark);
    transform: translateY(-1px);
}

.detail-table .table-row {
    display: grid;
    grid-template-columns: 120px 1fr 100px 100px;
    gap: var(--spacing-md);
    padding: var(--spacing-sm);
    border-radius: var(--radius-sm);
    margin-bottom: var(--spacing-xs);
}

.type-badge {
    background: rgba(99, 102, 241, 0.2);
    color: var(--primary-light);
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-sm);
    font-size: 0.75rem;
    font-weight: 500;
    text-align: center;
    display: inline-block;
    min-width: 80px;
    white-space: nowrap;
}

.type-badge.card {
    background: rgba(239, 68, 68, 0.2);
    color: var(--error-color);
}

.type-badge.email {
    background: rgba(16, 185, 129, 0.2);
    color: var(--success-color);
}

.type-badge.phone {
    background: rgba(245, 158, 11, 0.2);
    color: var(--warning-color);
}

.risk-badge {
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-sm);
    font-size: 0.75rem;
    font-weight: 500;
    text-align: center;
}

.risk-badge.high {
    background: rgba(239, 68, 68, 0.2);
    color: var(--error-color);
}

.risk-badge.medium {
    background: rgba(245, 158, 11, 0.2);
    color: var(--warning-color);
}

.status-badge {
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-sm);
    font-size: 0.75rem;
    font-weight: 500;
    text-align: center;
}

.status-badge.detected {
    background: rgba(16, 185, 129, 0.2);
    color: var(--success-color);
}

/* 购买区域 */
.pricing-section {
    padding: calc(var(--spacing-3xl) + 2rem) 0 var(--spacing-3xl) 0;
    background: radial-gradient(ellipse at center, rgba(99, 102, 241, 0.1) 0%, transparent 70%);
    overflow: visible;
    position: relative;
}

/* 全新定价容器布局 */
.pricing-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
    max-width: 900px;
    margin: 0 auto;
    padding: 2rem 0;
}

/* 定价卡片基础样式 */
.price-card {
    background: var(--bg-glass);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 20px;
    padding: 0;
    position: relative;
    transition: all 0.3s ease;
    overflow: hidden;
    display: grid;
    grid-template-rows: auto 1fr auto;
    min-height: 580px;
}

.price-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
    border-color: rgba(99, 102, 241, 0.4);
}

/* 推荐卡片特殊样式 */
.price-card.featured {
    border: 2px solid var(--primary-color);
    box-shadow: 0 0 30px rgba(99, 102, 241, 0.2);
}

/* 推荐标签 */
.recommend-tag {
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    background: linear-gradient(135deg, #6366f1, #8b5cf6);
    color: white;
    padding: 8px 20px;
    border-radius: 15px;
    font-size: 0.8rem;
    font-weight: 600;
    z-index: 10;
    box-shadow: 0 4px 15px rgba(99, 102, 241, 0.4);
    border: 2px solid rgba(255, 255, 255, 0.3);
}

/* 卡片顶部 */
.card-top {
    padding: 2.5rem 2rem 1.5rem 2rem;
    text-align: center;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.plan-title {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 1rem;
}

.price-display {
    display: flex;
    align-items: baseline;
    justify-content: center;
    margin-bottom: 1rem;
}

.price-symbol {
    font-size: 1.2rem;
    color: var(--text-secondary);
    margin-right: 0.25rem;
}

.price-amount {
    font-size: 3rem;
    font-weight: 700;
    color: var(--primary-color);
    line-height: 1;
}

.price-period {
    font-size: 1rem;
    color: var(--text-secondary);
    margin-left: 0.25rem;
}

.plan-desc {
    color: var(--text-secondary);
    font-size: 0.9rem;
    line-height: 1.4;
    margin: 0;
}

/* 卡片中间 - 功能列表 */
.card-middle {
    padding: 1.5rem 2rem;
    flex: 1;
}

.feature-list {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: 0.8rem;
}

.feature-list li {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    color: var(--text-secondary);
    font-size: 0.9rem;
    transition: all 0.2s ease;
}

.feature-list li:hover {
    color: var(--text-primary);
    transform: translateX(4px);
}

.feature-list li i {
    color: var(--success-color);
    font-size: 0.9rem;
    width: 16px;
    flex-shrink: 0;
}

/* 卡片底部 */
.card-bottom {
    padding: 1.5rem 2rem 2rem 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    text-align: center;
}

.purchase-btn {
    width: 100%;
    padding: 1rem 2rem;
    border: none;
    border-radius: 12px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    text-decoration: none;
}

.purchase-btn.primary {
    background: linear-gradient(135deg, #6366f1, #8b5cf6);
    color: white;
    box-shadow: 0 4px 15px rgba(99, 102, 241, 0.3);
}

.purchase-btn.primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(99, 102, 241, 0.4);
}

.purchase-btn.secondary {
    background: rgba(255, 255, 255, 0.1);
    color: var(--text-primary);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.purchase-btn.secondary:hover {
    background: rgba(255, 255, 255, 0.2);
    transform: translateY(-2px);
}

.extra-info {
    margin-top: 1rem;
    color: var(--text-tertiary);
    font-size: 0.8rem;
    margin-bottom: 0;
}

.purchase-info {
    margin-top: var(--spacing-3xl);
}

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

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

.info-icon {
    width: 50px;
    height: 50px;
    border-radius: var(--radius-lg);
    background: var(--gradient-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.25rem;
    flex-shrink: 0;
}

.info-content h4 {
    color: var(--text-primary);
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
}

.info-content p {
    color: var(--text-secondary);
    font-size: 0.875rem;
    line-height: 1.5;
}



/* 页脚 */
.footer {
    background: var(--bg-secondary);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding: var(--spacing-3xl) 0 var(--spacing-xl);
    margin-top: var(--spacing-3xl);
}

.footer-content {
    display: grid;
    grid-template-columns: auto 1fr;
    gap: var(--spacing-3xl);
    margin-bottom: var(--spacing-2xl);
}

.footer-brand {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-family: var(--font-display);
    font-weight: 700;
    font-size: 1.25rem;
    color: var(--text-primary);
}

.footer-links {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: var(--spacing-xl);
}

.link-group h4 {
    color: var(--text-primary);
    font-weight: 600;
    margin-bottom: var(--spacing-md);
}

.link-group a {
    display: block;
    color: var(--text-secondary);
    text-decoration: none;
    margin-bottom: var(--spacing-sm);
    transition: color var(--duration-normal) ease;
}

.link-group a:hover {
    color: var(--primary-light);
}

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: var(--spacing-xl);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    color: var(--text-tertiary);
    font-size: 0.875rem;
}

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

.footer-social a {
    color: var(--text-secondary);
    font-size: 1.125rem;
    transition: all var(--duration-normal) ease;
}

.footer-social a:hover {
    color: var(--primary-light);
    transform: translateY(-2px);
}

/* 按钮样式 */
.btn {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-md) var(--spacing-xl);
    border: none;
    border-radius: var(--radius-lg);
    font-family: var(--font-primary);
    font-weight: 600;
    font-size: 0.875rem;
    text-decoration: none;
    cursor: pointer;
    transition: all var(--duration-normal) ease;
    position: relative;
    overflow: hidden;
}

.btn-primary {
    background: var(--gradient-primary);
    color: white;
    box-shadow: var(--shadow-md);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.btn-secondary {
    background: var(--bg-glass);
    color: var(--text-primary);
    border: 1px solid rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(10px);
}

.btn-secondary:hover {
    background: var(--bg-glass-hover);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.btn-large {
    padding: var(--spacing-lg) var(--spacing-2xl);
    font-size: 1rem;
}

.btn-glow {
    box-shadow: var(--shadow-glow);
}

.btn-glow:hover {
    box-shadow: 0 0 40px rgba(99, 102, 241, 0.4);
}

/* 响应式设计 */
@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        top: 80px;
        left: -100%;
        width: 100%;
        height: calc(100vh - 80px);
        background: rgba(15, 15, 35, 0.95);
        backdrop-filter: blur(20px);
        flex-direction: column;
        justify-content: flex-start;
        align-items: center;
        padding: var(--spacing-2xl) 0;
        transition: left var(--duration-normal) ease;
    }
    
    .nav-menu.active {
        left: 0;
    }
    
    .nav-toggle {
        display: flex;
    }
    
    .nav-toggle.active .bar:nth-child(1) {
        transform: rotate(-45deg) translate(-5px, 6px);
    }
    
    .nav-toggle.active .bar:nth-child(2) {
        opacity: 0;
    }
    
    .nav-toggle.active .bar:nth-child(3) {
        transform: rotate(45deg) translate(-5px, -6px);
    }
    
    /* 响应式 - 语言切换 */
    .language-toggle {
        margin-left: var(--spacing-md);
        margin-right: var(--spacing-md);
    }
    
    .lang-btn {
        padding: 0.4rem 0.8rem;
        font-size: 0.85rem;
    }
    
    .flag-icon {
        font-size: 1rem;
    }
    
    .hero-container {
        grid-template-columns: 1fr;
        text-align: center;
        gap: var(--spacing-2xl);
    }
    
    .hero-stats {
        justify-content: center;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
    }
    
    .pricing-cards {
        grid-template-columns: 1fr;
    }
    
    .sensitive-categories {
        grid-template-columns: 1fr;
    }
    
    .extraction-mockup {
        grid-template-columns: 1fr;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .footer-bottom {
        flex-direction: column;
        gap: var(--spacing-md);
        text-align: center;
    }
}

@media (max-width: 480px) {
    :root {
        --spacing-lg: 1rem;
        --spacing-xl: 1.25rem;
        --spacing-2xl: 2rem;
        --spacing-3xl: 2.5rem;
    }
    
    .container {
        padding: 0 var(--spacing-md);
    }
    
    .hero-actions {
        flex-direction: column;
        align-items: center;
    }
    
    .btn {
        width: 100%;
        justify-content: center;
    }
    
    .terminal-window {
        max-width: 100%;
    }
    
    .info-grid {
        grid-template-columns: 1fr;
    }
    
    .detail-table .table-row {
        grid-template-columns: 1fr;
        gap: var(--spacing-sm);
        text-align: left;
    }
}

/* 推荐方案标签响应式优化 */
@media (max-width: 768px) {
    .pricing-container {
        grid-template-columns: 1fr;
        max-width: 400px;
        gap: 1.5rem;
    }
    
    .price-card {
        min-height: 520px;
    }
    
    .card-top {
        padding: 2rem 1.5rem 1rem 1.5rem;
    }
    
    .card-middle {
        padding: 1rem 1.5rem;
    }
    
    .card-bottom {
        padding: 1rem 1.5rem 1.5rem 1.5rem;
    }
    
    .recommend-tag {
        top: -10px;
        padding: 6px 16px;
        font-size: 0.75rem;
    }
}

@media (max-width: 480px) {
    .pricing-container {
        padding: 1rem;
        max-width: 100%;
    }
    
    .price-card {
        min-height: 480px;
    }
    
    .plan-title {
        font-size: 1.25rem;
    }
    
    .price-amount {
        font-size: 2.5rem;
    }
    
    .feature-list li {
        font-size: 0.85rem;
    }
}