/* 基础样式和变量定义 */
:root {
    /* 色彩方案 */
    --color-bg-dark: #0A0A0F;
    --color-bg-darker: #050508;
    --color-bg-card: #1E1E2E;
    --color-primary: #00D4FF;
    --color-secondary: #9D4EDD;
    --color-accent: #00FFC8;
    --color-text: #FFFFFF;
    --color-text-secondary: #B0B0C0;
    --color-border: #2A2A3A;
    
    /* 霓虹效果 */
    --glow-primary: 0 0 20px rgba(0, 212, 255, 0.5);
    --glow-secondary: 0 0 20px rgba(157, 78, 221, 0.5);
    --glow-accent: 0 0 20px rgba(0, 255, 200, 0.5);
    
    /* 字体 */
    --font-primary: 'Inter', 'Source Han Sans', 'Microsoft YaHei', sans-serif;
    --font-mono: 'JetBrains Mono', 'Consolas', monospace;
    
    /* 间距 */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 4rem;
    --spacing-xl: 8rem;
    
    /* 边框半径 */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    
    /* 过渡效果 */
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
}

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

html {
    scroll-behavior: smooth;
}

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

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

/* 粒子背景 */
#particles-js {
    position: fixed;
    width: 100%;
    height: 100%;
    z-index: -2;
    pointer-events: none;
}

/* 神经网络背景 */
.neural-network-bg {
    position: fixed;
    width: 100%;
    height: 100%;
    z-index: -1;
    pointer-events: none;
    opacity: 0.3;
}

#neuralCanvas {
    width: 100%;
    height: 100%;
}

/* 导航栏样式 */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: var(--spacing-sm) 0;
    background: rgba(10, 10, 15, 0.9);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(42, 42, 58, 0.5);
    transition: var(--transition-normal);
}

.navbar.scrolled {
    padding: 0.5rem 0;
    background: rgba(10, 10, 15, 0.95);
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

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

.logo-icon {
    position: relative;
    width: 40px;
    height: 40px;
}

.logo-circle {
    width: 100%;
    height: 100%;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
    box-shadow: var(--glow-primary);
    animation: pulse 2s infinite;
}

.logo-pulse {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 60px;
    height: 60px;
    border-radius: 50%;
    border: 2px solid var(--color-primary);
    opacity: 0;
    animation: pulse-ring 2s infinite;
}

.logo-text {
    font-size: 1.5rem;
    font-weight: 700;
    background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

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

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

.nav-link:hover {
    color: var(--color-text);
    background: rgba(0, 212, 255, 0.1);
}

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

.nav-link.active::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 50%;
    transform: translateX(-50%);
    width: 8px;
    height: 8px;
    background: var(--color-primary);
    border-radius: 50%;
    transition: var(--transition-fast);
}

/* 隐藏解决方案链接 */
.nav-link[href="#solutions"] {
    display: none;
}

/* 隐藏联系我们链接 */
.nav-link[href="#contact"] {
    display: none;
}

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

.btn-language {
    background: transparent;
    border: 1px solid var(--color-border);
    color: var(--color-text-secondary);
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-md);
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    transition: var(--transition-fast);
}

.btn-language:hover {
    border-color: var(--color-primary);
    color: var(--color-primary);
}

.btn-cta {
    background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
    color: white;
    border: none;
    padding: var(--spacing-xs) var(--spacing-md);
    border-radius: var(--radius-md);
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition-fast);
    box-shadow: var(--glow-primary);
}

.btn-cta:hover {
    transform: translateY(-2px);
    box-shadow: 0 0 30px rgba(0, 212, 255, 0.7);
}

.nav-toggle {
    display: none;
    background: transparent;
    border: none;
    color: var(--color-text);
    font-size: 1.5rem;
    cursor: pointer;
}

/* Hero区域样式 */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding-top: 80px;
    position: relative;
    overflow: hidden;
}

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

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

.hero-title {
    font-size: 4rem;
    line-height: 1.1;
    margin-bottom: var(--spacing-md);
}

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

.hero-subtitle {
    font-size: 1.5rem;
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-sm);
}

.hero-description {
    font-size: 1.1rem;
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-lg);
    max-width: 500px;
}

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

.btn-primary {
    background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
    color: white;
    border: none;
    padding: var(--spacing-sm) var(--spacing-lg);
    border-radius: var(--radius-lg);
    font-weight: 600;
    font-size: 1.1rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    transition: var(--transition-fast);
    box-shadow: var(--glow-primary);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 0 40px rgba(0, 212, 255, 0.8);
}

.btn-secondary {
    background: transparent;
    color: var(--color-text);
    border: 2px solid var(--color-border);
    padding: var(--spacing-sm) var(--spacing-lg);
    border-radius: var(--radius-lg);
    font-weight: 600;
    font-size: 1.1rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    transition: var(--transition-fast);
}

.btn-secondary:hover {
    border-color: var(--color-primary);
    color: var(--color-primary);
}

.hero-visual {
    position: relative;
    height: 500px;
}

.ai-visualization {
    position: relative;
    width: 100%;
    height: 100%;
}

.neural-node {
    position: absolute;
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background: var(--color-primary);
    box-shadow: var(--glow-primary);
    animation: float 3s infinite ease-in-out;
}

.node-1 { top: 20%; left: 30%; animation-delay: 0s; }
.node-2 { top: 40%; left: 60%; animation-delay: 0.5s; }
.node-3 { top: 70%; left: 40%; animation-delay: 1s; }
.node-4 { top: 50%; left: 20%; animation-delay: 1.5s; }

.neural-connection {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, var(--color-primary), transparent);
    opacity: 0.3;
    animation: flow 4s infinite linear;
}

.data-flow {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle at center, transparent 30%, var(--color-accent) 70%);
    opacity: 0.1;
    animation: pulse 3s infinite;
}

/* 核心价值区域 */
.values {
    padding: var(--spacing-xl) 0;
    position: relative;
}

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

.section-title {
    font-size: 3rem;
    margin-bottom: var(--spacing-sm);
    background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.section-subtitle {
    font-size: 1.2rem;
    color: var(--color-text-secondary);
}

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

.value-card {
    background: var(--color-bg-card);
    border-radius: var(--radius-xl);
    padding: var(--spacing-lg);
    border: 1px solid var(--color-border);
    transition: var(--transition-normal);
    position: relative;
    overflow: hidden;
}

.value-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--color-primary), var(--color-accent));
    opacity: 0;
    transition: var(--transition-normal);
}

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

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

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

.value-title {
    font-size: 1.5rem;
    margin-bottom: var(--spacing-sm);
    color: var(--color-text);
}

.value-description {
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-lg);
}

.value-stats {
    display: flex;
    gap: var(--spacing-md);
    margin-top: var(--spacing-md);
}

.stat {
    text-align: center;
}

.stat-number {
    display: block;
    font-size: 2rem;
    font-weight: 700;
    color: var(--color-primary);
    line-height: 1;
}

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

/* 产品展示区域 */
.products {
    padding: var(--spacing-xl) 0;
}

.product-tabs {
    display: flex;
    justify-content: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-xl);
}

.tab-btn {
    background: transparent;
    color: var(--color-text-secondary);
    border: 2px solid var(--color-border);
    padding: var(--spacing-sm) var(--spacing-lg);
    border-radius: var(--radius-lg);
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition-fast);
}

.tab-btn:hover {
    border-color: var(--color-primary);
    color: var(--color-primary);
}

.tab-btn.active {
    background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
    color: white;
    border-color: transparent;
    box-shadow: var(--glow-primary);
}

.tab-btn span {
    display: block;
    font-size: 0.7rem;
    font-weight: 400;
    color: var(--color-text-secondary);
    margin-top: 4px;
    opacity: 0.8;
}

.tab-btn.active span {
    color: rgba(255, 255, 255, 0.8);
}

.tab-content {
    display: none;
}

.tab-content.active {
    display: block;
}

.product-demo {
    display: block;
    width: 100%;
}

.demo-preview {
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.98) 0%, rgba(248, 250, 252, 0.95) 100%);
    border-radius: var(--radius-xl);
    padding: 0;
    border: 2px solid rgba(0, 212, 255, 0.15);
    box-shadow: 0 8px 32px rgba(0, 212, 255, 0.08), 0 2px 8px rgba(0, 0, 0, 0.05);
    backdrop-filter: blur(10px);
    overflow: hidden;
    position: relative;
}

.ppt-editor {
    background: #ffffff;
    border-radius: 0;
    overflow: visible;
    border: none;
    display: block;
    position: relative;
    min-height: 500px;
    box-shadow: none;
}

.ppt-screenshot {
    width: 100%;
    height: auto;
    aspect-ratio: 16/10;
    max-height: 400px;
    object-fit: cover;
    object-position: center top;
    display: block;
    border-radius: var(--radius-lg);
    filter: contrast(1.05) brightness(1.02) saturate(1.05);
    transition: transform 0.4s ease, box-shadow 0.4s ease;
}

.ppt-screenshot:hover {
    transform: scale(1.01);
    box-shadow: 0 12px 40px rgba(0, 212, 255, 0.15), 0 4px 12px rgba(0, 0, 0, 0.08);
}

.demo-preview::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(0, 212, 255, 0.03) 0%, rgba(0, 150, 255, 0.02) 100%);
    pointer-events: none;
    border-radius: var(--radius-xl);
}

.ppt-toolbar {
    display: flex;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm);
    background: var(--color-bg-card);
    border-bottom: 1px solid var(--color-border);
}

.toolbar-item {
    width: 40px;
    height: 40px;
    background: var(--color-bg-dark);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-text-secondary);
    cursor: pointer;
    transition: var(--transition-fast);
}

.toolbar-item:hover {
    background: var(--color-primary);
    color: white;
}

.ppt-slide {
    padding: var(--spacing-lg);
    min-height: 300px;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.slide-title {
    font-size: 2rem;
    font-weight: 700;
    color: var(--color-primary);
    text-align: center;
}

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

.content-item {
    padding: var(--spacing-sm);
    background: rgba(0, 212, 255, 0.1);
    border-radius: var(--radius-md);
    border-left: 4px solid var(--color-primary);
}

.product-features {
    padding: var(--spacing-lg);
}

.features-title {
    font-size: 2rem;
    margin-bottom: var(--spacing-lg);
    color: var(--color-text);
}

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

.feature-item {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-md);
    padding: var(--spacing-md);
    background: var(--color-bg-card);
    border-radius: var(--radius-lg);
    border: 1px solid var(--color-border);
    transition: var(--transition-fast);
}

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

.feature-item i {
    font-size: 1.5rem;
    color: var(--color-primary);
    margin-top: 4px;
}

.feature-item h4 {
    font-size: 1.2rem;
    margin-bottom: var(--spacing-xs);
    color: var(--color-text);
}

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

/* 硬件展示 */
.hardware-showcase {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-xl);
    align-items: start;
}

.hardware-model {
    position: relative;
    height: 500px;
    display: flex;
    flex-direction: row;
    align-items: center;
    justify-content: space-around;
    gap: var(--spacing-xxl);
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

.model-container {
    position: relative;
    width: 450px;
    height: 450px;
    display: flex;
    justify-content: center;
    align-items: center;
}

/* 机器人模型样式 */
.robot-body {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 200px;
    height: 250px;
}

.robot-head {
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 120px;
    height: 100px;
    background: linear-gradient(135deg, #2A2A3A, #1E1E2E);
    border-radius: 50px 50px 40px 40px;
    border: 2px solid var(--color-primary);
    box-shadow: var(--glow-primary);
}

.robot-eye {
    position: absolute;
    top: 30px;
    width: 20px;
    height: 20px;
    background: var(--color-primary);
    border-radius: 50%;
    animation: blink 3s infinite;
}

.left-eye {
    left: 30px;
}

.right-eye {
    right: 30px;
}

.robot-mouth {
    position: absolute;
    bottom: 20px;
    left: 50%;
    transform: translateX(-50%);
    width: 40px;
    height: 10px;
    background: var(--color-accent);
    border-radius: 5px;
    animation: talk 2s infinite;
}

.robot-torso {
    position: absolute;
    top: 100px;
    left: 50%;
    transform: translateX(-50%);
    width: 150px;
    height: 100px;
    background: linear-gradient(135deg, #2A2A3A, #1E1E2E);
    border-radius: 20px;
    border: 2px solid var(--color-secondary);
}

.robot-display {
    position: absolute;
    top: 20px;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 40px;
    background: rgba(0, 212, 255, 0.1);
    border-radius: 10px;
    border: 1px solid var(--color-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-primary);
    font-size: 0.8rem;
}

.robot-sensor {
    position: absolute;
    bottom: 15px;
    left: 50%;
    transform: translateX(-50%);
    width: 20px;
    height: 20px;
    background: var(--color-accent);
    border-radius: 50%;
    animation: pulse 2s infinite;
}

.robot-base {
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 180px;
    height: 40px;
    background: linear-gradient(135deg, #2A2A3A, #1E1E2E);
    border-radius: 20px;
    border: 2px solid var(--color-border);
}

.robot-glow {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 250px;
    height: 250px;
    background: radial-gradient(circle at center, rgba(0, 212, 255, 0.2) 0%, transparent 70%);
    border-radius: 50%;
    animation: pulse 3s infinite;
}

.product-image {
     width: 550px;
     height: 450px;
     display: flex;
     justify-content: center;
     align-items: center;
 }
 
 .product-image-container {
     position: relative;
     display: inline-block;
     border-radius: var(--radius-lg);
     overflow: hidden;
     border: 2px solid var(--color-border);
     box-shadow: var(--glow-primary);
     transition: var(--transition-normal);
     width: 500px;
     height: 375px;
 }
 
 .product-image-container:hover {
     transform: translateY(-5px);
     box-shadow: 0 0 40px rgba(0, 212, 255, 0.5);
 }
 
 .product-photo {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    transition: var(--transition-normal);
}
 
 .product-image-container:hover .product-photo {
     transform: scale(1.05);
 }
 
 .image-overlay {
     position: absolute;
     bottom: 0;
     left: 0;
     right: 0;
     background: linear-gradient(to top, rgba(10, 10, 15, 0.9), transparent);
     padding: var(--spacing-lg);
     color: white;
     text-align: left;
 }
 
 .image-overlay span {
     display: block;
     font-size: 1.5rem;
     font-weight: 700;
     margin-bottom: var(--spacing-xs);
     color: var(--color-primary);
 }
 
 .image-overlay p {
     font-size: 1rem;
     color: var(--color-text-secondary);
     margin: 0;
 }

.hardware-specs {
    padding: var(--spacing-lg);
}

.specs-title {
    font-size: 2.5rem;
    margin-bottom: var(--spacing-sm);
    color: var(--color-text);
    background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.product-tagline {
    font-size: 1.2rem;
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-lg);
    font-style: italic;
}

.product-features-overview {
    display: flex;
    justify-content: space-between;
    margin-bottom: var(--spacing-lg);
    padding: var(--spacing-md);
    background: var(--color-bg-card);
    border-radius: var(--radius-lg);
    border: 1px solid var(--color-border);
}

.feature-highlight {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-xs);
    text-align: center;
}

.feature-highlight i {
    font-size: 1.5rem;
    color: var(--color-primary);
}

.feature-highlight span {
    font-size: 0.9rem;
    color: var(--color-text-secondary);
}

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

.spec-item {
    padding: var(--spacing-md);
    background: var(--color-bg-card);
    border-radius: var(--radius-lg);
    border: 1px solid var(--color-border);
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
    transition: var(--transition-fast);
}

.spec-item:hover {
    border-color: var(--color-primary);
    transform: translateY(-2px);
}

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

.spec-value {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--color-primary);
}

/* AI能力展示 */
.ai-capabilities {
    margin-bottom: var(--spacing-lg);
    padding: var(--spacing-lg);
    background: var(--color-bg-card);
    border-radius: var(--radius-lg);
    border: 1px solid var(--color-border);
}

.capabilities-title {
    font-size: 1.5rem;
    margin-bottom: var(--spacing-md);
    color: var(--color-text);
}

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

.capability-item {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-md);
    padding: var(--spacing-md);
    background: rgba(0, 212, 255, 0.05);
    border-radius: var(--radius-md);
    border-left: 4px solid var(--color-primary);
}

.capability-item i {
    font-size: 1.5rem;
    color: var(--color-primary);
    margin-top: 4px;
}

.capability-item h5 {
    font-size: 1.1rem;
    margin-bottom: var(--spacing-xs);
    color: var(--color-text);
}

.capability-item p {
    color: var(--color-text-secondary);
    font-size: 0.9rem;
}

/* 应用场景 */
.application-scenarios {
    margin-bottom: var(--spacing-lg);
    padding: var(--spacing-lg);
    background: var(--color-bg-card);
    border-radius: var(--radius-lg);
    border: 1px solid var(--color-border);
}

.scenarios-title {
    font-size: 1.5rem;
    margin-bottom: var(--spacing-md);
    color: var(--color-text);
}

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

.scenario-item {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-md);
    padding: var(--spacing-md);
    background: rgba(157, 78, 221, 0.05);
    border-radius: var(--radius-md);
    border: 1px solid rgba(157, 78, 221, 0.2);
}

.scenario-icon {
    width: 40px;
    height: 40px;
    background: rgba(157, 78, 221, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.scenario-icon i {
    color: var(--color-secondary);
    font-size: 1.2rem;
}

.scenario-content h5 {
    font-size: 1rem;
    margin-bottom: var(--spacing-xs);
    color: var(--color-text);
}

.scenario-content p {
    color: var(--color-text-secondary);
    font-size: 0.85rem;
}

/* 用户价值 */
.user-value {
    margin-bottom: var(--spacing-lg);
    padding: var(--spacing-lg);
    background: var(--color-bg-card);
    border-radius: var(--radius-lg);
    border: 1px solid var(--color-border);
}

.value-title {
    font-size: 1.5rem;
    margin-bottom: var(--spacing-md);
    color: var(--color-text);
}

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

.value-point {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm);
    background: rgba(0, 255, 200, 0.05);
    border-radius: var(--radius-md);
    border: 1px solid rgba(0, 255, 200, 0.2);
}

.value-point i {
    color: var(--color-accent);
}

.value-point span {
    color: var(--color-text);
    font-size: 0.95rem;
}

/* 产品操作按钮 */
.product-actions {
    display: flex;
    gap: var(--spacing-md);
    margin-top: var(--spacing-lg);
}

.product-actions .btn-primary,
.product-actions .btn-secondary {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-md) var(--spacing-lg);
}

/* 机器人动画 */
@keyframes blink {
    0%, 90%, 100% { transform: scaleY(1); }
    95% { transform: scaleY(0.1); }
}

@keyframes talk {
    0%, 100% { width: 40px; }
    50% { width: 60px; }
}

/* 页脚样式 */
.footer {
    background: var(--color-bg-darker);
    padding: var(--spacing-xl) 0 var(--spacing-md);
    border-top: 1px solid var(--color-border);
    margin-top: var(--spacing-xl);
}

.footer-content {
    display: none;
    grid-template-columns: 2fr 3fr 2fr;
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-xl);
}

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

.footer-logo {
    font-size: 2rem;
    font-weight: 700;
    background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.footer-tagline {
    color: var(--color-text-secondary);
    font-size: 1.1rem;
}

.social-links {
    display: flex;
    gap: var(--spacing-sm);
}

.social-link {
    width: 40px;
    height: 40px;
    background: var(--color-bg-card);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-text-secondary);
    text-decoration: none;
    transition: var(--transition-fast);
}

.social-link:hover {
    background: var(--color-primary);
    color: white;
    transform: translateY(-3px);
}

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

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

.link-title {
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--color-text);
    margin-bottom: var(--spacing-sm);
}

.link-item {
    color: var(--color-text-secondary);
    text-decoration: none;
    transition: var(--transition-fast);
}

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

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

.contact-title {
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--color-text);
    margin-bottom: var(--spacing-sm);
}

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

.contact-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    color: var(--color-text-secondary);
}

.contact-item i {
    color: var(--color-primary);
    width: 20px;
}

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

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

.footer-legal {
    display: none;
    gap: var(--spacing-lg);
}

.legal-link {
    color: var(--color-text-secondary);
    text-decoration: none;
    font-size: 0.9rem;
    transition: var(--transition-fast);
}

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

/* 动画关键帧 */
@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

@keyframes pulse-ring {
    0% {
        transform: translate(-50%, -50%) scale(0.8);
        opacity: 0.5;
    }
    100% {
        transform: translate(-50%, -50%) scale(1.2);
        opacity: 0;
    }
}

@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-20px); }
}

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

@keyframes rotate {
    0% { transform: translate(-50%, -50%) rotate(0deg); }
    100% { transform: translate(-50%, -50%) rotate(360deg); }
}

/* 响应式设计 */
@media (max-width: 1024px) {
    .hero .container {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .hero-visual {
        height: 300px;
    }
    
    .values-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .product-demo,
    .hardware-showcase {
        grid-template-columns: 1fr;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
    }
    
    .hardware-model {
        flex-direction: row;
        height: 400px;
        gap: var(--spacing-lg);
        max-width: 900px;
    }
    
    .model-container {
        width: 350px;
        height: 350px;
    }
    
    .product-image {
        width: 450px;
        height: 350px;
    }
    
    .product-image-container {
        width: 400px;
        height: 300px;
    }
}

@media (max-width: 768px) {
    .nav-menu {
        display: none;
    }
    
    .nav-toggle {
        display: block;
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-subtitle {
        font-size: 1.2rem;
    }
    
    .hero-actions {
        flex-direction: column;
        align-items: center;
    }
    
    .values-grid {
        grid-template-columns: 1fr;
    }
    
    .product-tabs {
        flex-direction: column;
        align-items: center;
    }
    
    .footer-links {
        grid-template-columns: 1fr;
    }
    
    .footer-bottom {
        flex-direction: column;
        gap: var(--spacing-md);
        text-align: center;
    }
    
    .hardware-model {
        flex-direction: column;
        height: auto;
        gap: var(--spacing-lg);
        max-width: 600px;
        padding: var(--spacing-lg) var(--spacing-md);
    }
    
    .model-container {
        width: 300px;
        height: 300px;
    }
    
    .product-image {
        width: 400px;
        height: 300px;
    }
    
    .product-image-container {
        width: 350px;
        height: 262px;
    }
    
    /* 产品演示响应式优化 */
    .ppt-editor {
        min-height: auto;
    }
    
    .ppt-screenshot {
        aspect-ratio: 16/10;
        max-height: 350px;
        min-height: auto;
    }
    
    .demo-preview {
        border-width: 1.5px;
    }
    
    /* AI 解决方案响应式 */
    .dual-direction-layout {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
    }
    
    .direction-title {
        font-size: 1.8rem;
    }
    
    .direction-icon {
        width: 70px;
        height: 70px;
        font-size: 2rem;
    }
    
    .tech-features,
    .application-scenarios,
    .specs-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 var(--spacing-xs);
    }
    
    .hero-title {
        font-size: 2rem;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .btn-primary,
    .btn-secondary {
        width: 100%;
        justify-content: center;
    }
    
    .specs-grid {
        grid-template-columns: 1fr;
    }
    
    .hardware-model {
        flex-direction: column;
        height: auto;
        gap: var(--spacing-md);
        max-width: 100%;
        padding: var(--spacing-md) var(--spacing-xs);
    }
    
    .model-container {
        width: 250px;
        height: 250px;
    }
    
    .product-image {
        width: 300px;
        height: 225px;
    }
    
    .product-image-container {
        width: 280px;
        height: 210px;
    }
    
    /* 产品演示响应式优化 - 小屏幕 */
    .ppt-editor {
        min-height: auto;
    }
    
    .ppt-screenshot {
        aspect-ratio: 16/10;
        max-height: 280px;
        min-height: auto;
        object-position: center center;
    }
    
    .demo-preview {
        border-width: 1px;
        border-radius: var(--radius-lg);
    }
    
    /* AI 解决方案响应式 - 小屏幕 */
    .solutions-title {
        font-size: 1.8rem;
    }
    
    .solutions-subtitle {
        font-size: 1rem;
    }
    
    .direction-title {
        font-size: 1.5rem;
    }
    
    .direction-subtitle {
        font-size: 0.95rem;
    }
    
    .direction-header {
        padding: var(--spacing-lg);
    }
    
    .direction-content {
        padding: var(--spacing-lg);
    }
    
    .direction-icon {
        width: 60px;
        height: 60px;
        font-size: 1.8rem;
    }
    
    .feature-list li {
        flex-direction: column;
        align-items: flex-start;
    }
    
    .feature-icon {
        width: 45px;
        height: 45px;
        font-size: 1rem;
    }
    
    .feature-info h5 {
        font-size: 1rem;
    }
    
    .feature-info p {
        font-size: 0.9rem;
    }
    
    .section-title {
        font-size: 1.1rem;
    }
    
    .value-item {
        flex-direction: column;
        align-items: flex-start;
    }
    
    .value-icon {
        width: 45px;
        height: 45px;
        font-size: 1rem;
    }
    
    .cta-title {
        font-size: 1.5rem;
    }
    
    .cta-description {
        font-size: 1rem;
    }
    
    .cta-actions {
        flex-direction: column;
        align-items: center;
    }
    
    .btn-large {
        width: 100%;
        max-width: 300px;
    }
}

/* 隐藏语言选择按钮 */
.btn-language {
    display: none;
}

/* 隐藏体验产品按钮 */
.btn-cta {
    display: none;
}

/* AI 解决方案样式 - 红框位置 */
#ai-solutions {
    height: 500px;
    display: flex;
    flex-direction: row;
    align-items: center;
    justify-content: space-around;
    gap: var(--spacing-xxl);
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
    border: none;
    border-radius: var(--radius-lg);
    margin-top: var(--spacing-lg);
}

#ai-solutions .solutions-hero {
    text-align: center;
    padding: var(--spacing-xl);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

#ai-solutions .solutions-subtitle {
    font-size: 1.5rem;
    color: var(--color-primary);
    font-weight: 600;
    text-align: center;
}

/* AI 解决方案样式 - 双方向布局 */
.solutions-container {
    padding: var(--spacing-xl) 0;
}

.solutions-hero {
    text-align: center;
    padding: var(--spacing-xl) var(--spacing-md);
    margin-bottom: var(--spacing-xl);
}

.solutions-title {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--color-text);
    margin-bottom: var(--spacing-md);
    background: linear-gradient(135deg, var(--color-primary) 0%, #0096ff 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.solutions-subtitle {
    font-size: 1.1rem;
    color: var(--color-text-secondary);
    max-width: 700px;
    margin: 0 auto;
    line-height: 1.6;
}

/* 双方向布局 */
.dual-direction-layout {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-xl);
}

.direction-card {
    background: var(--color-bg-card);
    border-radius: var(--radius-xl);
    border: 2px solid var(--color-border);
    overflow: hidden;
    transition: var(--transition-normal);
    display: flex;
    flex-direction: column;
}

.direction-card:hover {
    border-color: var(--color-primary);
    box-shadow: 0 12px 40px rgba(0, 212, 255, 0.15);
    transform: translateY(-4px);
}

.software-direction {
    background: linear-gradient(135deg, rgba(0, 212, 255, 0.03) 0%, rgba(0, 150, 255, 0.02) 100%);
}

.hardware-direction {
    background: linear-gradient(135deg, rgba(255, 107, 107, 0.03) 0%, rgba(255, 150, 150, 0.02) 100%);
}

.direction-header {
    padding: var(--spacing-xl);
    text-align: center;
    border-bottom: 2px solid var(--color-border);
}

.direction-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto var(--spacing-md);
    background: linear-gradient(135deg, var(--color-primary) 0%, #0096ff 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 2.5rem;
    box-shadow: 0 8px 20px rgba(0, 212, 255, 0.3);
}

.hardware-direction .direction-icon {
    background: linear-gradient(135deg, #ff6b6b 0%, #ff9696 100%);
    box-shadow: 0 8px 20px rgba(255, 107, 107, 0.3);
}

.direction-title {
    font-size: 2rem;
    font-weight: 700;
    color: var(--color-text);
    margin-bottom: var(--spacing-sm);
}

.direction-subtitle {
    font-size: 1rem;
    color: var(--color-text-secondary);
    line-height: 1.5;
}

.direction-content {
    padding: var(--spacing-xl);
    flex: 1;
}

.feature-section {
    margin-bottom: var(--spacing-xl);
}

.feature-section:last-child {
    margin-bottom: 0;
}

.section-title {
    font-size: 1.3rem;
    font-weight: 600;
    color: var(--color-text);
    margin-bottom: var(--spacing-md);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.section-title i {
    color: var(--color-primary);
    font-size: 1.2rem;
}

.feature-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.feature-list li {
    display: flex;
    gap: var(--spacing-md);
    padding: var(--spacing-md);
    margin-bottom: var(--spacing-md);
    background: rgba(255, 255, 255, 0.6);
    border-radius: var(--radius-lg);
    border: 1px solid rgba(0, 212, 255, 0.1);
}

.feature-icon {
    width: 50px;
    height: 50px;
    background: rgba(0, 212, 255, 0.1);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-primary);
    font-size: 1.2rem;
    flex-shrink: 0;
}

.feature-info {
    flex: 1;
}

.feature-info h5 {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--color-text);
    margin-bottom: var(--spacing-xs);
}

.feature-info p {
    font-size: 0.95rem;
    color: var(--color-text-secondary);
    line-height: 1.5;
    margin: 0;
}

/* 技术特点 */
.tech-features {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-md);
}

.tech-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-md);
    background: rgba(255, 255, 255, 0.6);
    border-radius: var(--radius-lg);
    border: 1px solid rgba(0, 212, 255, 0.1);
}

.tech-icon {
    width: 40px;
    height: 40px;
    background: rgba(0, 212, 255, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-primary);
    font-size: 1rem;
    flex-shrink: 0;
}

.tech-item span {
    font-size: 0.95rem;
    color: var(--color-text);
    font-weight: 500;
}

/* 应用场景 */
.application-scenarios {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-md);
}

.scenario-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-md);
    background: rgba(255, 255, 255, 0.6);
    border-radius: var(--radius-lg);
    border: 1px solid rgba(0, 212, 255, 0.1);
}

.scenario-item i {
    color: var(--color-primary);
    font-size: 1.2rem;
}

.scenario-item span {
    font-size: 0.95rem;
    color: var(--color-text);
    font-weight: 500;
}

/* 技术规格 */
.specs-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-md);
}

.spec-item {
    display: flex;
    flex-direction: column;
    padding: var(--spacing-md);
    background: rgba(255, 255, 255, 0.6);
    border-radius: var(--radius-lg);
    border: 1px solid rgba(255, 107, 107, 0.1);
}

.spec-label {
    font-size: 0.85rem;
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-xs);
}

.spec-value {
    font-size: 1rem;
    font-weight: 600;
    color: var(--color-text);
}

/* 使用价值 */
.value-propositions {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.value-item {
    display: flex;
    gap: var(--spacing-md);
    padding: var(--spacing-md);
    background: rgba(255, 255, 255, 0.6);
    border-radius: var(--radius-lg);
    border: 1px solid rgba(255, 107, 107, 0.1);
}

.value-icon {
    width: 50px;
    height: 50px;
    background: rgba(255, 107, 107, 0.1);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    color: #ff6b6b;
    font-size: 1.2rem;
    flex-shrink: 0;
}

.value-info {
    flex: 1;
}

.value-info h5 {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--color-text);
    margin-bottom: var(--spacing-xs);
}

.value-info p {
    font-size: 0.95rem;
    color: var(--color-text-secondary);
    line-height: 1.5;
    margin: 0;
}

/* CTA 区域 */
.solutions-cta {
    text-align: center;
    padding: var(--spacing-xxl) var(--spacing-md);
    background: linear-gradient(135deg, rgba(0, 212, 255, 0.05) 0%, rgba(0, 150, 255, 0.03) 100%);
    border-radius: var(--radius-xl);
    border: 2px solid rgba(0, 212, 255, 0.15);
}

.cta-title {
    font-size: 2rem;
    font-weight: 700;
    color: var(--color-text);
    margin-bottom: var(--spacing-sm);
}

.cta-description {
    color: var(--color-text-secondary);
    font-size: 1.1rem;
    margin-bottom: var(--spacing-lg);
    max-width: 600px;
    margin: 0 auto var(--spacing-lg);
}

.cta-actions {
    display: flex;
    gap: var(--spacing-md);
    justify-content: center;
    flex-wrap: wrap;
}

.btn-large {
    padding: var(--spacing-md) var(--spacing-xl);
    font-size: 1.1rem;
}