/* ============================================
   玩时不工企业官网 - 主样式表
   设计风格：简约科技风 + 轻商务质感
   主色调：科技蓝 #1a73e8
   辅助色：活力橙 #ff6b35
   基底：浅灰 #f5f7fa
   ============================================ */

/* CSS 变量定义 */
:root {
    /* 主色调 - 高端科技蓝 */
    --primary-blue: #0d47a1;
    --primary-blue-dark: #0a3880;
    --primary-blue-light: #1976d2;
    
    /* 辅助色 - 优雅柠檬黄 */
    --accent-yellow: #f9a825;
    --accent-yellow-dark: #d68a00;
    --accent-yellow-light: #ffcc80;
    
    /* 中性蓝 */
    --neutral-blue: #e3f2fd;
    --neutral-blue-dark: #bbdefb;
    
    /* 辅助色 */
    --accent-orange: #ff6b35;
    --accent-orange-light: #ff8c5a;
    
    /* 中性色 */
    --gray-50: #f8f9fa;
    --gray-100: #f5f7fa;
    --gray-200: #e8ecf1;
    --gray-300: #d1d9e0;
    --gray-400: #9aa5b1;
    --gray-500: #6b7280;
    --gray-600: #4b5563;
    --gray-700: #374151;
    --gray-800: #1f2937;
    --gray-900: #0f172a;
    
    /* 背景色 */
    --bg-primary: #ffffff;
    --bg-secondary: #f5f7fa;
    --bg-dark: #0a1628;
    
    /* 文字色 */
    --text-primary: #1f2937;
    --text-secondary: #6b7280;
    --text-light: #9aa5b1;
    --text-white: #ffffff;
    
    /* 字体 */
    --font-family: 'Noto Sans SC', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    
    /* 字体大小 */
    --font-size-xs: 0.75rem;    /* 12px */
    --font-size-sm: 0.875rem;   /* 14px */
    --font-size-base: 1rem;      /* 16px */
    --font-size-lg: 1.125rem;    /* 18px */
    --font-size-xl: 1.25rem;     /* 20px */
    --font-size-2xl: 1.5rem;     /* 24px */
    --font-size-3xl: 1.875rem;   /* 30px */
    --font-size-4xl: 2.25rem;    /* 36px */
    --font-size-5xl: 3rem;        /* 48px */
    --font-size-6xl: 3.75rem;     /* 60px */
    
    /* 行高 */
    --line-height-tight: 1.25;
    --line-height-snug: 1.375;
    --line-height-normal: 1.5;
    --line-height-relaxed: 1.625;
    --line-height-loose: 2;
    
    /* 字间距 */
    --tracking-tighter: -0.05em;
    --tracking-tight: -0.025em;
    --tracking-normal: 0em;
    --tracking-wide: 0.025em;
    --tracking-wider: 0.05em;
    --tracking-widest: 0.1em;
    
    /* 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;
    
    /* 圆角 */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-xl: 16px;
    --radius-full: 9999px;
    
    /* 阴影 */
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    
    /* 过渡 */
    --transition-fast: 0.15s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
    
    /* 容器宽度 */
    --container-max: 1200px;
    --container-padding: 1.5rem;
}

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

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

body {
    font-family: var(--font-family);
    font-size: var(--font-size-base);
    line-height: var(--line-height-normal);
    color: var(--text-primary);
    background-color: var(--bg-primary);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* 标题样式 */
h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: var(--line-height-tight);
    color: var(--text-primary);
    margin-bottom: var(--spacing-md);
}

h1 {
    font-size: var(--font-size-5xl);
    letter-spacing: var(--tracking-tight);
}

h2 {
    font-size: var(--font-size-4xl);
    letter-spacing: var(--tracking-tight);
}

h3 {
    font-size: var(--font-size-2xl);
    letter-spacing: var(--tracking-normal);
}

h4 {
    font-size: var(--font-size-xl);
    letter-spacing: var(--tracking-normal);
}

h5 {
    font-size: var(--font-size-lg);
    letter-spacing: var(--tracking-normal);
}

h6 {
    font-size: var(--font-size-base);
    letter-spacing: var(--tracking-normal);
}

/* 正文样式 */
p {
    font-size: var(--font-size-base);
    line-height: var(--line-height-relaxed);
    color: var(--text-secondary);
    margin-bottom: var(--spacing-md);
}

/* 小文本 */
.text-sm {
    font-size: var(--font-size-sm);
    line-height: var(--line-height-normal);
}

.text-xs {
    font-size: var(--font-size-xs);
    line-height: var(--line-height-normal);
}

/* 强调文本 */
.text-primary {
    color: var(--text-primary);
    font-weight: 500;
}

.text-secondary {
    color: var(--text-secondary);
}

.text-light {
    color: var(--text-light);
}

.text-white {
    color: var(--text-white);
}

/* 字间距 */
.tracking-tight {
    letter-spacing: var(--tracking-tight);
}

.tracking-wide {
    letter-spacing: var(--tracking-wide);
}

.tracking-wider {
    letter-spacing: var(--tracking-wider);
}

/* 行高 */
.leading-tight {
    line-height: var(--line-height-tight);
}

.leading-snug {
    line-height: var(--line-height-snug);
}

.leading-normal {
    line-height: var(--line-height-normal);
}

.leading-relaxed {
    line-height: var(--line-height-relaxed);
}

.leading-loose {
    line-height: var(--line-height-loose);
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

a {
    text-decoration: none;
    color: inherit;
    transition: color var(--transition-fast);
}

ul, ol {
    list-style: none;
}

button {
    font-family: inherit;
    cursor: pointer;
    border: none;
    background: none;
}

input, textarea, select {
    font-family: inherit;
    font-size: inherit;
}

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

/* ============================================
   顶部导航栏
   ============================================ */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: linear-gradient(-45deg, #1a73e8 0%, #0d47a1 50%, rgba(245, 247, 250, 0.9) 100%);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    box-shadow: var(--shadow-sm);
    border-bottom: 3px solid var(--accent-yellow);
    transition: all var(--transition-normal);
}

.header.scrolled {
    background: linear-gradient(-45deg, #1a73e8 0%, #0d47a1 50%, rgba(245, 247, 250, 0.95) 100%);
    box-shadow: var(--shadow-md);
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 90px;
}

.logo {
    display: flex;
    align-items: center;
}

.brand-logo {
    height: 60px;
    width: auto;
    object-fit: contain;
    padding: 5px;
    border-radius: var(--radius-sm);
}

.logo-text {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
}

.logo-cn {
    font-size: 1.8rem;
    font-weight: 700;
    background: linear-gradient(135deg, #1a73e8, #4a9eff);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    letter-spacing: 0.1em;
    text-shadow: 0 2px 4px rgba(26, 115, 232, 0.2);
}

.logo-en {
    font-size: 0.65rem;
    font-weight: 500;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.15em;
    margin-top: 2px;
}

.nav-list {
    display: flex;
    align-items: center;
    gap: var(--spacing-xl);
}

.nav-link {
    font-size: var(--font-size-sm);
    font-weight: 600;
    color: var(--text-white);
    padding: var(--spacing-sm) 0;
    position: relative;
    transition: color var(--transition-fast);
    letter-spacing: var(--tracking-normal);
}

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

.nav-link:hover,
.nav-link.active {
    color: var(--accent-yellow);
}

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

.nav-cta {
    background: var(--accent-yellow);
    color: var(--text-primary) !important;
    padding: var(--spacing-sm) var(--spacing-lg) !important;
    border-radius: var(--radius-full);
    transition: all var(--transition-fast);
    font-weight: 600;
}

.nav-cta::after {
    display: none;
}

.nav-cta:hover {
    background: var(--accent-yellow-light);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

/* 移动端菜单按钮 */
.menu-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    padding: var(--spacing-sm);
}

.menu-toggle span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--text-white);
    transition: all var(--transition-fast);
}

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

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

.menu-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
}

/* ============================================
   首页 Banner 轮播区
   ============================================ */
.hero {
    position: relative;
    height: 100vh;
    min-height: 600px;
    overflow: hidden;
}

.hero-slider {
    position: relative;
    height: 100%;
}

.hero-slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-slow);
    padding-top: 90px;
}

.hero-slide.active {
    opacity: 1;
    visibility: visible;
}

.hero-content {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--container-padding);
    width: 100%;
    z-index: 2;
}

.hero-title {
    font-size: clamp(2.5rem, 6vw, 4rem);
    font-weight: 700;
    color: var(--text-white);
    margin-bottom: var(--spacing-md);
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
    animation: fadeInUp 0.8s ease forwards;
    line-height: var(--line-height-tight);
    letter-spacing: var(--tracking-tight);
}

.hero-subtitle {
    font-size: clamp(1.25rem, 3vw, 1.75rem);
    font-weight: 400;
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: var(--spacing-lg);
    animation: fadeInUp 0.8s ease 0.2s forwards;
    opacity: 0;
    line-height: var(--line-height-snug);
    letter-spacing: var(--tracking-normal);
}

.hero-desc {
    font-size: var(--font-size-base);
    color: rgba(255, 255, 255, 0.7);
    max-width: 500px;
    animation: fadeInUp 0.8s ease 0.4s forwards;
    opacity: 0;
    line-height: var(--line-height-relaxed);
    letter-spacing: var(--tracking-normal);
}

.hero-visual {
    position: absolute;
    right: 10%;
    top: 50%;
    transform: translateY(-50%);
    z-index: 1;
}

/* 轮播指示器 */
.hero-indicators {
    position: absolute;
    bottom: 120px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: var(--spacing-md);
    z-index: 10;
}

.indicator {
    width: 40px;
    height: 4px;
    background: rgba(255, 255, 255, 0.3);
    border-radius: var(--radius-full);
    cursor: pointer;
    transition: all var(--transition-normal);
}

.indicator.active {
    background: var(--accent-orange);
    width: 60px;
}

.indicator:hover {
    background: rgba(255, 255, 255, 0.6);
}

/* CTA按钮 */
.hero-cta {
    position: absolute;
    right: var(--container-padding);
    top: 50%;
    transform: translateY(-50%);
    background: var(--accent-yellow);
    color: var(--text-primary);
    padding: var(--spacing-md) var(--spacing-xl);
    border-radius: var(--radius-md);
    font-size: 1rem;
    font-weight: 600;
    z-index: 10;
    transition: all var(--transition-fast);
    animation: pulse 2s infinite;
    box-shadow: 0 4px 12px rgba(249, 168, 37, 0.3);
}

.hero-cta:hover {
    background: var(--accent-yellow-light);
    transform: translateY(-50%) scale(1.05);
    box-shadow: 0 6px 20px rgba(249, 168, 37, 0.4);
}

/* Slogan */
.hero-slogan {
    position: absolute;
    bottom: 40px;
    left: 0;
    right: 0;
    text-align: center;
    z-index: 10;
}

.hero-slogan p {
    color: rgba(255, 255, 255, 0.6);
    font-size: 0.9rem;
    letter-spacing: 0.1em;
}

/* ============================================
   通用板块样式
   ============================================ */
section {
    padding: var(--spacing-3xl) 0;
}

.section-header {
    text-align: center;
    margin-bottom: var(--spacing-3xl);
}

.section-title {
    font-size: clamp(1.75rem, 4vw, var(--font-size-4xl));
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: var(--spacing-sm);
    position: relative;
    display: inline-block;
    line-height: var(--line-height-tight);
    letter-spacing: var(--tracking-tight);
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -8px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 3px;
    background: linear-gradient(90deg, var(--primary-blue), var(--accent-yellow));
    border-radius: var(--radius-full);
}

.section-subtitle {
    font-size: var(--font-size-lg);
    color: var(--text-secondary);
    margin-top: var(--spacing-lg);
    line-height: var(--line-height-relaxed);
    letter-spacing: var(--tracking-normal);
}

.subsection-title {
    font-size: var(--font-size-2xl);
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--spacing-md);
    line-height: var(--line-height-snug);
    letter-spacing: var(--tracking-normal);
}

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

/* ============================================
   公司介绍区
   ============================================ */
.about {
    background: var(--bg-secondary);
}

.about-content {
    max-width: 900px;
    margin: 0 auto;
}

.about-text {
    text-align: center;
    margin-bottom: var(--spacing-3xl);
}

.about-text p {
    font-size: var(--font-size-xl);
    color: var(--text-secondary);
    line-height: var(--line-height-snug);
    margin-bottom: var(--spacing-md);
}

.about-stats {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--spacing-xl);
}

.stat-item {
    text-align: center;
    padding: var(--spacing-xl);
    background: var(--bg-primary);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    transition: all var(--transition-normal);
}

.stat-item:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.stat-icon {
    font-size: 2.5rem;
    margin-bottom: var(--spacing-md);
}

.stat-number {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--primary-blue);
    line-height: 1;
}

.stat-unit {
    font-size: 1rem;
    font-weight: 400;
    color: var(--text-secondary);
}

.stat-label {
    font-size: 0.95rem;
    color: var(--text-secondary);
    margin-top: var(--spacing-sm);
}

/* ============================================
   核心优势区
   ============================================ */
.advantages {
    background: var(--bg-primary);
}

.advantages-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--spacing-xl);
}

.advantage-card {
    background: var(--bg-secondary);
    padding: var(--spacing-2xl);
    border-radius: var(--radius-lg);
    text-align: center;
    transition: all var(--transition-normal);
    border: 1px solid transparent;
    background: linear-gradient(135deg, rgba(245, 247, 250, 0.9), rgba(255, 255, 255, 0.9));
    position: relative;
    overflow: hidden;
}

.advantage-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--primary-blue), var(--accent-yellow));
}

.advantage-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 12px 30px rgba(13, 71, 161, 0.2);
    border-color: var(--primary-blue-light);
}

.advantage-icon {
    width: 64px;
    height: 64px;
    margin: 0 auto var(--spacing-lg);
    color: var(--primary-blue);
    background: linear-gradient(135deg, rgba(13, 71, 161, 0.1), rgba(249, 168, 37, 0.1));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.advantage-icon svg {
    width: 100%;
    height: 100%;
}

.advantage-title {
    font-size: var(--font-size-2xl);
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--spacing-sm);
    line-height: var(--line-height-snug);
    letter-spacing: var(--tracking-normal);
}

.advantage-desc {
    font-size: var(--font-size-base);
    color: var(--text-secondary);
    line-height: var(--line-height-normal);
    letter-spacing: var(--tracking-normal);
}

/* ============================================
   全场景解决方案区
   ============================================ */
.solution {
    background: var(--bg-secondary);
}

/* 产品参数 */
.product-params {
    margin-bottom: var(--spacing-3xl);
}

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

/* 设备图片展示 */
.devices-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-2xl);
    margin-bottom: var(--spacing-xl);
}

.device-item {
    background: var(--bg-primary);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: all var(--transition-fast);
}

.device-item:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.device-title {
    background: linear-gradient(90deg, var(--primary-blue), var(--primary-blue-light));
    color: var(--text-white);
    padding: var(--spacing-md);
    font-weight: 600;
    text-align: center;
    text-transform: uppercase;
    letter-spacing: var(--tracking-wide);
}

.device-image {
    padding: var(--spacing-2xl);
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 300px;
}

.device-img {
    max-width: 100%;
    max-height: 250px;
    object-fit: contain;
}

/* 设备对比表格 */
.devices-comparison {
    background: var(--bg-primary);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-md);
}

.devices-table {
    width: 100%;
    border-collapse: collapse;
    text-align: left;
}

.devices-table th {
    background: linear-gradient(90deg, var(--primary-blue), var(--primary-blue-light));
    color: var(--text-white);
    padding: var(--spacing-md);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: var(--tracking-wide);
    font-size: var(--font-size-sm);
}

.devices-table td {
    padding: var(--spacing-md);
    border-bottom: 1px solid var(--gray-200);
}

.devices-table tr:hover {
    background: var(--bg-secondary);
}

.devices-table tr:nth-child(even) {
    background: var(--gray-50);
}

.devices-table tr:nth-child(even):hover {
    background: var(--bg-secondary);
}

.devices-table td:first-child {
    font-weight: 600;
    color: var(--primary-blue);
    border-left: 3px solid var(--primary-blue);
    padding-left: var(--spacing-lg);
}

.devices-table td[colspan="2"] {
    text-align: center;
    font-style: italic;
    background: rgba(26, 115, 232, 0.05);
}

/* 旧的产品图片样式（保留但不再使用） */
.product-image {
    display: flex;
    justify-content: center;
    align-items: center;
    padding: var(--spacing-2xl);
}

.product-visual {
    width: 100%;
    max-width: 500px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.product-img {
    width: 100%;
    height: auto;
    max-height: 400px;
    object-fit: contain;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
}

.couch-setup {
    position: relative;
    width: 100%;
    height: 300px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.couch-main {
    position: relative;
    width: 200px;
    height: 150px;
    z-index: 2;
}

.couch-screen {
    width: 180px;
    height: 100px;
    background: linear-gradient(135deg, var(--primary-blue), var(--primary-blue-light));
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    z-index: 2;
    box-shadow: var(--shadow-lg);
}

.couch-screen.secondary {
    width: 140px;
    height: 80px;
    background: #ffcb05;
    margin-left: 40px;
}

.screen-content {
    width: 90%;
    height: 80%;
    background: #000;
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
}

.game-display {
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-radius: var(--radius-sm);
    position: relative;
    overflow: hidden;
}

.game-display::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 60px;
    height: 60px;
    background: rgba(255, 255, 255, 0.3);
    border-radius: 50%;
    animation: pulse 2s infinite;
}

.brand-display {
    color: #000;
    font-weight: 700;
    font-size: 1rem;
    text-align: center;
}

.couch-body {
    width: 200px;
    height: 60px;
    background: #ffcb05;
    border-radius: var(--radius-md);
    position: absolute;
    top: 80px;
    left: 10px;
    z-index: 1;
    box-shadow: var(--shadow-md);
}

.couch-body.secondary {
    width: 160px;
    height: 50px;
    top: 60px;
    left: 50px;
}

.couch-secondary {
    position: absolute;
    top: 30px;
    right: -20px;
    z-index: 1;
}

.couch-dimensions {
    position: absolute;
    width: 100%;
    height: 100%;
    pointer-events: none;
}

.dimension {
    position: absolute;
    font-size: 0.8rem;
    color: var(--text-secondary);
    font-weight: 500;
}

.dimension.length {
    bottom: -20px;
    left: 50%;
    transform: translateX(-50%);
}

.dimension.width {
    top: 50%;
    right: -40px;
    transform: translateY(-50%);
}

.dimension.height {
    top: -20px;
    left: 50%;
    transform: translateX(-50%);
}

@keyframes pulse {
    0% {
        transform: translate(-50%, -50%) scale(1);
        opacity: 0.5;
    }
    100% {
        transform: translate(-50%, -50%) scale(1.5);
        opacity: 0;
    }
}

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

.param-item {
    display: flex;
    justify-content: space-between;
    padding: var(--spacing-md) 0;
    border-bottom: 1px solid var(--gray-200);
}

.param-label {
    font-weight: 500;
    color: var(--text-primary);
}

.param-value {
    color: var(--text-secondary);
    text-align: right;
    max-width: 60%;
}

/* 产品对比 */
.comparison {
    margin-bottom: var(--spacing-3xl);
}

.comparison-subtitle {
    text-align: center;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-xl);
}

.comparison-content {
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.95), rgba(245, 247, 250, 0.95));
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: 0 8px 32px rgba(26, 115, 232, 0.15);
    padding: var(--spacing-2xl);
    border: 1px solid rgba(26, 115, 232, 0.1);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
}

.comparison-desc {
    font-size: var(--font-size-lg);
    color: var(--text-secondary);
    margin-bottom: var(--spacing-xl);
    line-height: var(--line-height-relaxed);
    text-align: center;
    font-weight: 500;
    letter-spacing: var(--tracking-wide);
}

.comparison-table {
    overflow-x: auto;
    border-radius: var(--radius-lg);
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.08);
}

.comparison-table table {
    width: 100%;
    border-collapse: collapse;
    text-align: left;
    border-radius: var(--radius-lg);
    overflow: hidden;
}

.comparison-table th {
    background: linear-gradient(90deg, var(--primary-blue), var(--primary-blue-light));
    color: var(--text-white);
    padding: var(--spacing-lg);
    font-weight: 600;
    border-bottom: 2px solid rgba(255, 255, 255, 0.2);
    text-transform: uppercase;
    letter-spacing: var(--tracking-wide);
    font-size: var(--font-size-sm);
    position: relative;
    overflow: hidden;
}

.comparison-table th::after {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    width: 100px;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.1));
    transform: skewX(-20deg);
}

.comparison-table td {
    padding: var(--spacing-lg);
    border-bottom: 1px solid rgba(26, 115, 232, 0.1);
    position: relative;
    transition: all var(--transition-fast);
}

.comparison-table tr {
    background: rgba(255, 255, 255, 0.8);
    transition: all var(--transition-fast);
}

.comparison-table tr:hover {
    background: rgba(26, 115, 232, 0.05);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(26, 115, 232, 0.1);
}

.comparison-table tr:nth-child(even) {
    background: rgba(245, 247, 250, 0.8);
}

.comparison-table tr:nth-child(even):hover {
    background: rgba(26, 115, 232, 0.05);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(26, 115, 232, 0.1);
}

.comparison-table td:first-child {
    font-weight: 600;
    color: var(--primary-blue);
    border-left: 3px solid var(--primary-blue);
    padding-left: var(--spacing-xl);
}

.comparison-table td:not(:first-child) {
    border-left: 1px solid rgba(26, 115, 232, 0.08);
}

/* 科技感装饰元素 */
.comparison-content::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -50%;
    width: 200%;
    height: 200%;
    background: linear-gradient(45deg, transparent, rgba(26, 115, 232, 0.05), transparent);
    animation: tech-flow 10s linear infinite;
    pointer-events: none;
    z-index: 0;
}

@keyframes tech-flow {
    0% {
        transform: translateX(-100%) translateY(-100%) rotate(0deg);
    }
    100% {
        transform: translateX(100%) translateY(100%) rotate(360deg);
    }
}

.comparison-content {
    position: relative;
    z-index: 1;
}

/* 场景搭配 */
.scene-setup {
    margin-bottom: var(--spacing-3xl);
}

.scene-subtitle {
    text-align: center;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-xl);
}

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

.scene-image-container {
    width: 100%;
    padding-top: 56.25%; /* 16:9 比例 */
    position: relative;
    overflow: hidden;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    background: var(--bg-secondary);
}

.scene-title {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    background: linear-gradient(90deg, var(--primary-blue), var(--primary-blue-light));
    color: var(--text-white);
    padding: var(--spacing-md) var(--spacing-lg);
    font-size: 1.25rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: var(--tracking-wide);
    z-index: 2;
    text-align: center;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.scene-image {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: contain;
    z-index: 1;
}

.scene-visual {
    display: flex;
    justify-content: center;
}

.booth-mockup {
    background: var(--bg-primary);
    padding: var(--spacing-2xl);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
}

.booth-structure {
    width: 280px;
}

.booth-screen {
    width: 200px;
    height: 120px;
    background: linear-gradient(135deg, var(--gray-800), var(--gray-900));
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-white);
    font-size: 1.25rem;
    margin: 0 auto var(--spacing-lg);
    border: 3px solid var(--gray-700);
}

.booth-seats {
    display: flex;
    justify-content: center;
    gap: var(--spacing-md);
}

.seat {
    width: 80px;
    height: 60px;
    background: var(--gray-300);
    border-radius: var(--radius-md) var(--radius-md) 0 0;
}

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

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

.scene-param {
    display: flex;
    justify-content: space-between;
    padding: var(--spacing-md);
    background: var(--bg-primary);
    border-radius: var(--radius-md);
}

.scene-features {
    background: var(--bg-primary);
    padding: var(--spacing-xl);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
}

.scene-features h4 {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--spacing-lg);
    text-align: center;
}

.scene-features ul {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-md);
    list-style: none;
    padding: 0;
    margin: 0;
}

.scene-features li {
    color: var(--text-secondary);
    padding: var(--spacing-md);
    background: var(--bg-secondary);
    border-radius: var(--radius-md);
    transition: all var(--transition-normal);
    display: flex;
    align-items: center;
    min-height: 2.5rem;
}

.scene-features li:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-sm);
}

/* 适配场景 */
.scenarios-subtitle {
    text-align: center;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-xl);
}

.scenarios-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-xl);
}

.scenario-card {
    background: var(--bg-primary);
    padding: var(--spacing-2xl);
    border-radius: var(--radius-lg);
    text-align: center;
    transition: all var(--transition-normal);
    box-shadow: var(--shadow-sm);
}

.scenario-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.scenario-icon {
    font-size: 3rem;
    margin-bottom: var(--spacing-md);
}

.scenario-title {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--spacing-sm);
}

.scenario-desc {
    font-size: 0.95rem;
    color: var(--text-secondary);
    line-height: 1.6;
}

/* ============================================
   版权保障区
   ============================================ */
.guarantee {
    background: var(--bg-primary);
}

.license-platforms {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-3xl);
}

.platform-card {
    background: var(--bg-secondary);
    padding: var(--spacing-xl);
    border-radius: var(--radius-lg);
    text-align: center;
    transition: all var(--transition-normal);
    border: 2px solid transparent;
}

.platform-card:hover {
    border-color: var(--primary-blue);
    transform: translateY(-3px);
}

.platform-logo {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--primary-blue);
    margin-bottom: var(--spacing-md);
}

.platform-games {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: var(--spacing-sm);
}

.game-tag {
    background: var(--bg-primary);
    padding: var(--spacing-xs) var(--spacing-md);
    border-radius: var(--radius-full);
    font-size: 0.85rem;
    color: var(--text-secondary);
}

/* 热门IP */
.hot-ips {
    margin-top: var(--spacing-3xl);
}

.ips-subtitle {
    text-align: center;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-xl);
}

.ips-grid {
    display: grid;
    grid-template-columns: repeat(9, 1fr);
    gap: var(--spacing-md);
}

.ip-item {
    background: var(--bg-secondary);
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    text-align: center;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.ip-item:hover {
    background: var(--primary-blue);
    transform: scale(1.05);
}

.ip-item:hover .ip-icon,
.ip-item:hover .ip-name {
    color: var(--text-white);
}

.ip-icon {
    font-size: 2rem;
    margin-bottom: var(--spacing-sm);
    transition: color var(--transition-fast);
}

.ip-icon-img {
    width: 48px;
    height: 48px;
    object-fit: contain;
    margin-bottom: var(--spacing-sm);
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
}

.ip-item:hover .ip-icon-img {
    transform: scale(1.1);
    filter: brightness(1.1);
}

.ip-name {
    font-size: 0.8rem;
    color: var(--text-secondary);
    display: block;
    transition: color var(--transition-fast);
}

/* ============================================
   合作伙伴区
   ============================================ */
.partners {
    background: var(--bg-secondary);
}

.partners-content {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-3xl);
}

.partners-category {
    text-align: center;
}

.category-title {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--spacing-xl);
}

.partners-logos {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: var(--spacing-lg);
}

.partner-logo {
    background: var(--bg-primary);
    padding: var(--spacing-lg) var(--spacing-xl);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-normal);
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 80px;
}

.partner-logo:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-3px);
}

.partner-logo-img {
    max-height: 60px;
    max-width: 120px;
    object-fit: contain;
}

/* ============================================
   业务版图区
   ============================================ */
.map {
    background: var(--bg-primary);
}

.map-content {
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    gap: var(--spacing-3xl);
    align-items: center;
}

.map-visual {
    position: relative;
}

.china-map {
    background: var(--bg-secondary);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
}

.map-outline svg,
.map-outline .china-map-img {
    width: 100%;
    height: auto;
}

.center-point {
    animation: pulse 2s infinite;
}

.map-legend {
    display: flex;
    justify-content: center;
    margin-top: var(--spacing-md);
}

.legend-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.legend-dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
}

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

.feature-item {
    display: flex;
    gap: var(--spacing-lg);
    padding: var(--spacing-xl);
    background: var(--bg-secondary);
    border-radius: var(--radius-lg);
    transition: all var(--transition-normal);
}

.feature-item:hover {
    box-shadow: var(--shadow-md);
    transform: translateX(5px);
}

.feature-number {
    font-size: 2rem;
    font-weight: 700;
    color: var(--accent-orange);
    line-height: 1;
}

.feature-content h4 {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--spacing-sm);
}

.feature-content p {
    font-size: 0.95rem;
    color: var(--text-secondary);
    line-height: 1.6;
}

/* ============================================
   底部 Footer
   ============================================ */
.footer {
    background: linear-gradient(135deg, #0a1628, #1a2a40);
    color: var(--text-white);
    padding: var(--spacing-3xl) 0 var(--spacing-xl);
    position: relative;
}

.footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--primary-blue), var(--accent-yellow));
}

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

.footer-logo {
    margin-bottom: var(--spacing-lg);
    display: flex;
    align-items: center;
}

.footer-logo .brand-logo {
    height: 70px;
    width: auto;
    object-fit: contain;
    background: linear-gradient(135deg, #0a1628, #1a2a40);
    padding: 5px;
    border-radius: var(--radius-sm);
}

.footer-logo .logo-text {
    display: flex;
    flex-direction: column;
}

.footer-logo .logo-cn {
    font-size: 1.8rem;
    font-weight: 700;
    background: linear-gradient(135deg, #ffffff, #e8f0fe);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    letter-spacing: 0.1em;
    text-shadow: 0 2px 4px rgba(255, 255, 255, 0.2);
    display: block;
}

.footer-logo .logo-en {
    font-size: 0.65rem;
    font-weight: 500;
    color: var(--gray-400);
    text-transform: uppercase;
    letter-spacing: 0.15em;
    margin-top: 2px;
}

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

.company-name {
    font-size: 1rem;
    color: var(--gray-300);
}

.company-address {
    font-size: 0.9rem;
    color: var(--gray-400);
}

.footer-title {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-white);
    margin-bottom: var(--spacing-lg);
}

.contact-form {
    margin-bottom: var(--spacing-xl);
}

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

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

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: var(--spacing-md);
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: var(--radius-md);
    color: var(--text-white);
    font-size: 0.95rem;
    transition: all var(--transition-fast);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: var(--gray-400);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-blue);
    background: rgba(255, 255, 255, 0.15);
}

.form-group select {
    cursor: pointer;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%239aa5b1' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 12px center;
}

.form-group select option {
    background: var(--bg-dark);
    color: var(--text-primary);
}

.submit-btn {
    width: 100%;
    padding: var(--spacing-md);
    background: var(--accent-yellow);
    color: var(--text-primary);
    border-radius: var(--radius-md);
    font-size: 1rem;
    font-weight: 600;
    transition: all var(--transition-fast);
    box-shadow: 0 4px 12px rgba(249, 168, 37, 0.3);
}

.submit-btn:hover {
    background: var(--accent-yellow-light);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(249, 168, 37, 0.4);
}

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

.contact-item {
    display: flex;
    justify-content: space-between;
    font-size: 0.9rem;
}

.contact-label {
    color: var(--gray-400);
}

.contact-value {
    color: var(--gray-300);
}

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

.footer-nav-list a {
    color: var(--gray-400);
    font-size: 0.95rem;
    transition: color var(--transition-fast);
}

.footer-nav-list a:hover {
    color: var(--text-white);
}

.footer-bottom {
    text-align: center;
    padding-top: var(--spacing-xl);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.copyright {
    font-size: 0.85rem;
    color: var(--gray-400);
    margin-bottom: var(--spacing-sm);
}

.license-notice {
    font-size: 0.8rem;
    color: var(--gray-500);
}

/* ============================================
   弹窗样式
   ============================================ */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.8);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 2000;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-normal);
}

.modal.active {
    opacity: 1;
    visibility: visible;
}

.modal-content {
    background: var(--bg-primary);
    border-radius: var(--radius-lg);
    max-width: 500px;
    width: 90%;
    max-height: 80vh;
    overflow-y: auto;
    position: relative;
    transform: scale(0.9);
    transition: transform var(--transition-normal);
}

.modal.active .modal-content {
    transform: scale(1);
}

.modal-close {
    position: absolute;
    top: var(--spacing-md);
    right: var(--spacing-md);
    width: 32px;
    height: 32px;
    background: var(--bg-secondary);
    border-radius: 50%;
    font-size: 1.5rem;
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-fast);
    z-index: 10;
}

.modal-close:hover {
    background: var(--accent-orange);
    color: var(--text-white);
}

.modal-body {
    padding: var(--spacing-2xl);
}

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

@keyframes pulse {
    0%, 100% {
        box-shadow: 0 0 0 0 rgba(26, 115, 232, 0.4);
    }
    50% {
        box-shadow: 0 0 0 10px rgba(26, 115, 232, 0);
    }
}

/* 滚动渐显效果 */
.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.6s ease;
}

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

/* ============================================
   响应式设计
   ============================================ */
@media (max-width: 1024px) {
    .advantages-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .ips-grid {
        grid-template-columns: repeat(5, 1fr);
    }
    
    .license-platforms {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .footer-content {
        grid-template-columns: 1fr 1fr;
    }
    
    .footer-nav {
        display: none;
    }
}

@media (max-width: 768px) {
    :root {
        --container-padding: 1rem;
    }
    
    .header-inner {
        height: 70px;
    }
    
    .brand-logo {
        height: 45px;
        padding: 5px;
        border-radius: var(--radius-sm);
    }
    
    .footer-logo .brand-logo {
        height: 50px;
        background: linear-gradient(135deg, #0a1628, #1a2a40);
        padding: 5px;
        border-radius: var(--radius-sm);
    }
    
    .logo-cn {
        font-size: 1.2rem;
    }
    
    .logo-en {
        font-size: 0.55rem;
    }
    
    .nav {
        position: fixed;
        top: 70px;
        left: 0;
        right: 0;
        background: rgba(255, 255, 255, 0.98);
        backdrop-filter: blur(10px);
        padding: var(--spacing-lg);
        transform: translateY(-100%);
        opacity: 0;
        visibility: hidden;
        transition: all var(--transition-normal);
    }
    
    .nav.active {
        transform: translateY(0);
        opacity: 1;
        visibility: visible;
    }
    
    .nav-list {
        flex-direction: column;
        gap: var(--spacing-md);
    }
    
    .menu-toggle {
        display: flex;
    }
    
    .hero-cta {
        position: static;
        transform: none;
        display: inline-block;
        margin-top: var(--spacing-xl);
        animation: none;
    }
    
    .hero-visual {
        display: none;
    }
    
    .about-stats {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .advantages-grid {
        grid-template-columns: 1fr;
    }
    
    .params-content {
        grid-template-columns: 1fr;
    }
    
    .product-visual {
        max-width: 100%;
    }
    
    .product-img {
        max-height: 300px;
    }
    
    .scene-content {
        grid-template-columns: 1fr;
    }
    
    .scenarios-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .license-platforms {
        grid-template-columns: 1fr;
    }
    
    .ips-grid {
        grid-template-columns: repeat(3, 1fr);
    }
    
    .map-content {
        grid-template-columns: 1fr;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .form-row {
        grid-template-columns: 1fr;
    }
    
    .contact-item {
        flex-direction: column;
        gap: var(--spacing-xs);
    }
}

@media (max-width: 480px) {
    .about-stats {
        grid-template-columns: 1fr;
    }
    
    .scenarios-grid {
        grid-template-columns: 1fr;
    }
    
    .ips-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .partners-logos {
        gap: var(--spacing-sm);
    }
    
    .partner-logo {
        padding: var(--spacing-sm) var(--spacing-md);
        font-size: 0.85rem;
    }
}