/* 全局样式重置 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

/* CSS变量定义 */
:root {
    /* 主色调 */
    --primary-color: #0066ff;
    --primary-dark: #0052cc;
    --primary-light: #3385ff;
    --secondary-color: #00d4aa;
    --accent-color: #ff6b35;
    
    /* 中性色 */
    --dark-bg: #0a0a0f;
    --dark-surface: #1a1a2e;
    --dark-card: #16213e;
    --text-primary: #ffffff;
    --text-secondary: #b0b3c1;
    --text-muted: #8a8ea8;
    
    /* 渐变 */
    --gradient-primary: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    --gradient-dark: linear-gradient(135deg, var(--dark-bg), var(--dark-surface));
    --gradient-hero: linear-gradient(135deg, #0a0a0f 0%, #1a1a2e 50%, #16213e 100%);
    
    /* 阴影 */
    --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.15);
    --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.2);
    --shadow-glow: 0 0 20px rgba(0, 102, 255, 0.3);
    
    /* 字体 */
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    
    /* 动画 */
    --transition-fast: 0.2s ease;
    --transition-smooth: 0.3s ease;
    --transition-slow: 0.5s ease;
}

/* 基础样式 */
body {
    font-family: var(--font-primary);
    background: var(--dark-bg);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* 导航栏 */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(10, 10, 15, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    z-index: 1000;
    transition: var(--transition-smooth);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 80px;
}

.nav-logo {
    display: flex;
    flex-direction: column;
}

.logo-text {
    font-size: 24px;
    font-weight: 700;
    color: var(--text-primary);
    letter-spacing: -0.5px;
}

.logo-subtitle {
    font-size: 10px;
    font-weight: 500;
    color: var(--text-secondary);
    letter-spacing: 2px;
    margin-top: -2px;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 32px;
    align-items: center;
}

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

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

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

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

.nav-cta {
    background: var(--gradient-primary) !important;
    padding: 8px 16px !important;
    border-radius: 20px !important;
    color: white !important;
    font-weight: 600 !important;
}

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

.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
}

.hamburger span {
    width: 24px;
    height: 2px;
    background: var(--text-primary);
    margin: 3px 0;
    transition: var(--transition-fast);
}

/* 英雄区域 */
.hero {
    min-height: 100vh;
    background: var(--gradient-hero);
    position: relative;
    display: flex;
    align-items: center;
    overflow: hidden;
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: 
        radial-gradient(circle at 20% 50%, rgba(0, 102, 255, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(0, 212, 170, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 40% 80%, rgba(255, 107, 53, 0.1) 0%, transparent 50%);
}

.hero-particles {
    position: absolute;
    width: 100%;
    height: 100%;
    background-image: 
        radial-gradient(3px 3px at 20px 30px, rgba(255, 255, 255, 0.15), transparent),
        radial-gradient(2px 2px at 40px 70px, rgba(0, 102, 255, 0.3), transparent),
        radial-gradient(4px 4px at 90px 40px, rgba(0, 212, 170, 0.25), transparent),
        radial-gradient(1px 1px at 60px 20px, rgba(255, 107, 53, 0.2), transparent),
        radial-gradient(2px 2px at 10px 90px, rgba(218, 112, 214, 0.2), transparent);
    background-repeat: repeat;
    background-size: 150px 150px;
    animation: float 60s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { 
        transform: translateY(0px) translateX(0px) rotate(0deg);
        opacity: 0.9;
    }
    25% { 
        transform: translateY(-3px) translateX(1px) rotate(0.2deg);
        opacity: 1;
    }
    50% { 
        transform: translateY(-5px) translateX(0px) rotate(0deg);
        opacity: 0.95;
    }
    75% { 
        transform: translateY(-2px) translateX(-1px) rotate(-0.2deg);
        opacity: 1;
    }
}

.hero-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
    position: relative;
    z-index: 2;
}

.hero-content {
    animation: slideInLeft 1s ease-out;
}

.hero-title {
    font-size: clamp(40px, 5vw, 64px);
    font-weight: 700;
    line-height: 1.1;
    margin-bottom: 24px;
}

.title-line {
    display: block;
}

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

.hero-subtitle {
    font-size: 18px;
    color: var(--text-secondary);
    margin-bottom: 40px;
    line-height: 1.6;
}

.hero-stats {
    display: grid;
    grid-template-columns: repeat(4, minmax(120px, 1fr));
    gap: 20px;
    margin-bottom: 40px;
    align-items: stretch;
}

.stat-item {
    text-align: center;
    padding: 16px;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 12px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    min-width: 120px;
    width: 100%;
    box-sizing: border-box;
}

.stat-number {
    display: block;
    font-size: 24px;
    font-weight: 700;
    color: var(--primary-light);
    margin-bottom: 4px;
    font-family: 'Monaco', 'Menlo', 'Consolas', monospace;
    letter-spacing: 0.5px;
    min-height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.stat-label {
    font-size: 12px;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.hero-buttons {
    display: flex;
    gap: 16px;
}

.btn {
    display: inline-flex;
    align-items: center;
    padding: 12px 24px;
    border-radius: 30px;
    text-decoration: none;
    font-weight: 600;
    transition: var(--transition-smooth);
    border: none;
    cursor: pointer;
    font-size: 16px;
}

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

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 0 30px rgba(0, 102, 255, 0.5);
}

.btn-secondary {
    background: transparent;
    color: var(--text-primary);
    border: 2px solid rgba(255, 255, 255, 0.2);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: var(--primary-color);
}

/* 机器人面部可视化 */
.hero-visual {
    display: flex;
    justify-content: center;
    align-items: center;
    animation: slideInRight 1s ease-out;
}

.robot-face-container {
    width: 500px;
    height: 500px;
    position: relative;
    border: 2px solid rgba(0, 102, 255, 0.3);
    border-radius: 20px;
    background: linear-gradient(135deg, rgba(0, 102, 255, 0.05) 0%, rgba(0, 212, 170, 0.05) 100%);
    overflow: hidden;
    animation: containerPulse 4s ease-in-out infinite;
    box-shadow: 
        0 0 30px rgba(0, 102, 255, 0.3),
        inset 0 0 30px rgba(0, 212, 170, 0.1);
    cursor: pointer;
    transition: var(--transition-smooth);
}

.robot-face-container:hover {
    transform: scale(1.02);
    border-color: rgba(0, 212, 170, 0.6);
    box-shadow: 
        0 0 50px rgba(0, 212, 170, 0.4), 
        inset 0 0 50px rgba(0, 212, 170, 0.2);
}

.robot-face-iframe {
    width: 100%;
    height: 100%;
    border: none;
    background: transparent;
}

@keyframes containerPulse {
    0%, 100% { 
        transform: scale(1);
        box-shadow: 
            0 0 30px rgba(0, 102, 255, 0.3),
            inset 0 0 30px rgba(0, 212, 170, 0.1);
    }
    50% { 
        transform: scale(1.02);
        box-shadow: 
            0 0 50px rgba(0, 102, 255, 0.5),
            inset 0 0 50px rgba(0, 212, 170, 0.2);
    }
}



/* 区域通用样式 */
section {
    padding: 100px 0;
    opacity: 1;
    transform: translateY(0);
}

.hero {
    opacity: 1;
    transform: translateY(0);
}

@keyframes sectionFadeIn {
    from {
        opacity: 0;
        transform: translateY(50px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-header h2 {
    font-size: clamp(32px, 4vw, 48px);
    font-weight: 700;
    margin-bottom: 16px;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.section-header p {
    font-size: 18px;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto;
}

/* 技术区域 */
.technology {
    background: var(--dark-surface);
}

.tech-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 30px;
}

.tech-card {
    background: var(--dark-card);
    padding: 40px 30px;
    border-radius: 16px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    transition: var(--transition-smooth);
    position: relative;
    overflow: hidden;
    opacity: 0;
    transform: translateY(30px);
    animation: cardWaveIn 0.8s ease-out forwards;
}

.tech-card:nth-child(1) { animation-delay: 0.1s; }
.tech-card:nth-child(2) { animation-delay: 0.3s; }
.tech-card:nth-child(3) { animation-delay: 0.5s; }

@keyframes cardWaveIn {
    from {
        opacity: 0;
        transform: translateY(30px) scale(0.95);
    }
    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

.tech-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 2px;
    background: var(--gradient-primary);
    transform: scaleX(0);
    transition: var(--transition-smooth);
}

.tech-card:hover::before {
    transform: scaleX(1);
}

.tech-card:hover {
    transform: translateY(-12px) rotateY(5deg) rotateX(2deg) scale(1.02);
    box-shadow: 
        var(--shadow-lg),
        0 25px 50px rgba(0, 102, 255, 0.3),
        0 0 30px rgba(0, 212, 170, 0.2);
    border-color: var(--primary-color);
}

.tech-icon {
    width: 60px;
    height: 60px;
    background: var(--gradient-primary);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 24px;
    font-size: 24px;
    color: white;
    transition: var(--transition-smooth);
    position: relative;
    overflow: hidden;
}

.tech-icon::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: conic-gradient(from 0deg, transparent, rgba(255,255,255,0.3), transparent);
    opacity: 0;
    transition: var(--transition-smooth);
}

.tech-card:hover .tech-icon {
    transform: rotateY(15deg) scale(1.1);
    box-shadow: 0 10px 20px rgba(0, 102, 255, 0.4);
}

.tech-card:hover .tech-icon::before {
    opacity: 1;
    animation: iconSpin 1s linear;
}

@keyframes iconSpin {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

.tech-icon i {
    font-size: 24px;
    color: white;
}

.tech-card h3 {
    font-size: 24px;
    font-weight: 600;
    margin-bottom: 16px;
    color: var(--text-primary);
}

.tech-card p {
    color: var(--text-secondary);
    margin-bottom: 20px;
    line-height: 1.6;
}

.tech-specs {
    list-style: none;
}

.tech-specs li {
    color: var(--text-muted);
    margin-bottom: 8px;
    padding-left: 20px;
    position: relative;
}

.tech-specs li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--secondary-color);
    font-weight: bold;
}

/* 对比区域 - 全新卡片式设计 */
.comparison {
    background: var(--dark-bg);
}

.comparison-cards {
    display: grid;
    grid-template-columns: 1fr auto 1fr;
    gap: 30px;
    align-items: start;
    max-width: 1000px;
    margin: 0 auto;
}

.comparison-card {
    background: var(--dark-card);
    border-radius: 20px;
    padding: 30px;
    border: 2px solid rgba(255, 255, 255, 0.1);
    transition: var(--transition-smooth);
    position: relative;
    overflow: hidden;
}

.comparison-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    transition: var(--transition-smooth);
}

.comparison-card.traditional::before {
    background: linear-gradient(90deg, #666, #999);
}

.comparison-card.yanxi::before {
    background: var(--gradient-primary);
}

.comparison-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.3);
}

.comparison-card.traditional:hover {
    border-color: rgba(153, 153, 153, 0.5);
}

.comparison-card.yanxi:hover {
    border-color: var(--secondary-color);
    box-shadow: 0 15px 40px rgba(0, 212, 170, 0.3);
}

.card-header {
    text-align: center;
    margin-bottom: 25px;
    position: relative;
}

.card-header h3 {
    font-size: 24px;
    font-weight: 700;
    margin-bottom: 10px;
    color: var(--text-primary);
}

.card-badge {
    display: inline-block;
    padding: 6px 16px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.traditional-badge {
    background: rgba(153, 153, 153, 0.2);
    color: #999;
    border: 1px solid rgba(153, 153, 153, 0.3);
}

.yanxi-badge {
    background: rgba(0, 212, 170, 0.2);
    color: var(--secondary-color);
    border: 1px solid rgba(0, 212, 170, 0.3);
}

.comparison-items {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.comparison-metric {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px 16px;
    background: rgba(255, 255, 255, 0.03);
    border-radius: 12px;
    border: 1px solid rgba(255, 255, 255, 0.05);
    transition: var(--transition-fast);
}

.comparison-metric:hover {
    background: rgba(255, 255, 255, 0.05);
    transform: translateX(2px);
}

.metric-label {
    font-size: 14px;
    color: var(--text-secondary);
    font-weight: 500;
}

.metric-value {
    font-size: 14px;
    font-weight: 600;
    text-align: right;
}

.metric-value.negative {
    color: #ff8a80;
}

.metric-value.positive {
    color: var(--secondary-color);
}

.vs-divider {
    display: flex;
    align-items: center;
    justify-content: center;
    height: 80px;
    margin-top: 100px;
}

.vs-text {
    width: 60px;
    height: 60px;
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
    font-weight: 700;
    color: white;
    box-shadow: 0 10px 30px rgba(0, 102, 255, 0.4);
    animation: vsFloat 3s ease-in-out infinite;
}

@keyframes vsFloat {
    0%, 100% { transform: translateY(0) scale(1); }
    50% { transform: translateY(-5px) scale(1.05); }
}

/* 产品区域 */
.products {
    background: var(--dark-surface);
}

.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 30px;
}

.product-card {
    background: var(--dark-card);
    padding: 40px 30px;
    border-radius: 16px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    transition: var(--transition-smooth);
    position: relative;
    text-align: center;
    opacity: 0;
    transform: translateY(30px);
    animation: cardWaveIn 0.8s ease-out forwards;
}

.product-card:nth-child(1) { animation-delay: 0.2s; }
.product-card:nth-child(2) { animation-delay: 0.4s; }
.product-card:nth-child(3) { animation-delay: 0.6s; }

.product-card.featured {
    border-color: var(--primary-color);
}

.product-card.featured.animated {
    transform: scale(1.05);
}

.product-badge {
    position: absolute;
    top: -10px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--gradient-primary);
    color: white;
    padding: 6px 16px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 600;
}

.product-card:hover {
    transform: translateY(-15px) rotateX(3deg) scale(1.03);
    box-shadow: 
        var(--shadow-lg),
        0 30px 60px rgba(0, 102, 255, 0.25),
        inset 0 0 30px rgba(0, 212, 170, 0.1);
    border-color: var(--secondary-color);
}

.product-card.featured:hover {
    transform: scale(1.05) translateY(-8px);
}

.product-icon {
    width: 80px;
    height: 80px;
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 24px;
    transition: var(--transition-smooth);
    position: relative;
    overflow: hidden;
}

.product-icon::after {
    content: '';
    position: absolute;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle, transparent 30%, rgba(255,255,255,0.2) 70%);
    opacity: 0;
    transform: scale(0);
    transition: var(--transition-smooth);
}

.product-card:hover .product-icon {
    transform: rotateZ(10deg) scale(1.15);
    box-shadow: 0 15px 30px rgba(0, 212, 170, 0.4);
}

.product-card:hover .product-icon::after {
    opacity: 1;
    transform: scale(1);
    animation: pulseGlow 2s ease-in-out infinite;
}

@keyframes pulseGlow {
    0%, 100% { opacity: 0.3; }
    50% { opacity: 0.8; }
}

.product-icon i {
    font-size: 32px;
    color: white;
    z-index: 2;
    position: relative;
    transition: var(--transition-smooth);
}

.product-card:hover .product-icon i {
    transform: scale(1.1);
}

.product-card h3 {
    font-size: 24px;
    font-weight: 600;
    margin-bottom: 12px;
}

.product-card p {
    color: var(--text-secondary);
    margin-bottom: 20px;
}

.product-price {
    font-size: 20px;
    font-weight: 700;
    color: var(--secondary-color);
    margin-bottom: 20px;
}

.product-features {
    list-style: none;
    text-align: left;
}

.product-features li {
    color: var(--text-muted);
    margin-bottom: 8px;
    padding-left: 20px;
    position: relative;
}

.product-features li::before {
    content: '•';
    position: absolute;
    left: 0;
    color: var(--primary-color);
    font-weight: bold;
}

/* 市场区域 */
.market {
    background: var(--dark-bg);
}

.market-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 40px;
}

.market-stat {
    display: flex;
    align-items: center;
    gap: 20px;
    padding: 30px;
    background: var(--dark-card);
    border-radius: 16px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    transition: var(--transition-smooth);
}

.market-stat:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
}

.stat-icon {
    width: 60px;
    height: 60px;
    background: var(--gradient-primary);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.stat-icon i {
    font-size: 24px;
    color: white;
}

.stat-content .stat-number {
    font-size: 32px;
    font-weight: 700;
    color: var(--primary-light);
    display: block;
    margin-bottom: 4px;
}

.stat-content .stat-label {
    color: var(--text-secondary);
    font-size: 14px;
}

/* 团队区域 */
.team {
    background: var(--dark-surface);
}

.team-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
}

.team-card {
    background: var(--dark-card);
    padding: 30px;
    border-radius: 16px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    text-align: center;
    transition: var(--transition-smooth);
    opacity: 0;
    transform: translateY(30px);
    animation: cardWaveIn 0.8s ease-out forwards;
}

.team-card:nth-child(1) { animation-delay: 0.1s; }
.team-card:nth-child(2) { animation-delay: 0.2s; }
.team-card:nth-child(3) { animation-delay: 0.3s; }
.team-card:nth-child(4) { animation-delay: 0.4s; }
.team-card:nth-child(5) { animation-delay: 0.5s; }

.team-card:hover {
    transform: translateY(-12px) rotateY(-5deg) scale(1.02);
    box-shadow: 
        var(--shadow-lg),
        0 20px 40px rgba(0, 102, 255, 0.2),
        0 0 20px rgba(0, 212, 170, 0.3);
    border-color: var(--secondary-color);
}

.team-avatar {
    width: 80px;
    height: 80px;
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    transition: var(--transition-smooth);
    position: relative;
    border: 3px solid transparent;
}

.team-avatar::before {
    content: '';
    position: absolute;
    top: -5px;
    left: -5px;
    right: -5px;
    bottom: -5px;
    border-radius: 50%;
    background: conic-gradient(from 0deg, var(--primary-color), var(--secondary-color), var(--primary-color));
    opacity: 0;
    z-index: -1;
    transition: var(--transition-smooth);
}

.team-card:hover .team-avatar {
    transform: rotateY(20deg) scale(1.1);
    border-color: rgba(255, 255, 255, 0.3);
}

.team-card:hover .team-avatar::before {
    opacity: 1;
    animation: rotateBorder 2s linear infinite;
}

@keyframes rotateBorder {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

.team-avatar i {
    font-size: 32px;
    color: white;
    transition: var(--transition-smooth);
}

.team-card:hover .team-avatar i {
    transform: scale(1.2) rotateY(-20deg);
}

.team-card h3 {
    font-size: 20px;
    font-weight: 600;
    margin-bottom: 8px;
}

.team-role {
    color: var(--secondary-color);
    font-weight: 500;
    margin-bottom: 16px;
    font-size: 14px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.team-card p {
    color: var(--text-secondary);
    font-size: 14px;
    line-height: 1.5;
}

/* 发展成果区域 */
.achievements {
    background: var(--dark-bg);
    position: relative;
    overflow: hidden;
}

.achievements-background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: 
        radial-gradient(circle at 20% 30%, rgba(0, 102, 255, 0.05) 0%, transparent 50%),
        radial-gradient(circle at 80% 70%, rgba(0, 212, 170, 0.05) 0%, transparent 50%);
}

.achievement-particles {
    position: absolute;
    width: 100%;
    height: 100%;
    background-image: 
        radial-gradient(2px 2px at 30px 50px, rgba(0, 102, 255, 0.3), transparent),
        radial-gradient(1px 1px at 80px 20px, rgba(0, 212, 170, 0.4), transparent),
        radial-gradient(3px 3px at 120px 80px, rgba(255, 107, 53, 0.2), transparent);
    background-repeat: repeat;
    background-size: 180px 180px;
    animation: achievementFloat 30s linear infinite;
}

@keyframes achievementFloat {
    from { background-position: 0 0; }
    to { background-position: 180px 180px; }
}

.section-divider {
    display: flex;
    align-items: center;
    justify-content: center;
    margin-top: 20px;
    gap: 15px;
}

.divider-line {
    width: 60px;
    height: 2px;
    background: var(--gradient-primary);
}

.divider-icon {
    width: 40px;
    height: 40px;
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 16px;
}

.achievements-content {
    max-width: 1000px;
    margin: 0 auto;
}

/* 简洁文本展示（合作与专利） */
.achievements-simple {
    display: grid;
    gap: 16px;
    margin: 30px 0 10px;
}

.achievements-line {
    background: var(--dark-card);
    padding: 18px 22px;
    border-radius: 12px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    color: var(--text-primary);
    font-size: 16px;
    line-height: 1.6;
    display: flex;
    align-items: center;
    gap: 10px;
}

.achievements-line i {
    color: var(--primary-color);
}

@media (max-width: 768px) {
    .achievements-line {
        font-size: 15px;
        padding: 16px 16px;
    }
}

.achievements-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 30px;
    margin-bottom: 60px;
}

.achievement-item {
    background: var(--dark-card);
    padding: 30px 20px;
    border-radius: 16px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    text-align: center;
    transition: var(--transition-smooth);
    position: relative;
    overflow: hidden;
}

.achievement-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 2px;
    background: var(--gradient-primary);
    transition: var(--transition-smooth);
}

.achievement-item:hover::before {
    left: 0;
}

.achievement-item:hover {
    transform: translateY(-8px) rotateX(2deg) scale(1.02);
    box-shadow: 
        0 15px 40px rgba(0, 102, 255, 0.3),
        0 0 25px rgba(0, 212, 170, 0.2);
    border-color: var(--secondary-color);
}

.achievement-icon {
    width: 60px;
    height: 60px;
    background: var(--gradient-primary);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    transition: var(--transition-smooth);
    position: relative;
    overflow: hidden;
}

.achievement-icon::after {
    content: '';
    position: absolute;
    width: 100%;
    height: 100%;
    background: linear-gradient(45deg, transparent, rgba(255,255,255,0.3), transparent);
    transform: translateX(-100%);
    transition: var(--transition-smooth);
}

.achievement-item:hover .achievement-icon {
    transform: rotateZ(-10deg) scale(1.1);
    box-shadow: 0 10px 25px rgba(0, 102, 255, 0.4);
}

.achievement-item:hover .achievement-icon::after {
    transform: translateX(100%);
}

.achievement-icon i {
    font-size: 24px;
    color: white;
}

.achievement-number {
    font-size: 32px;
    font-weight: 700;
    color: var(--primary-light);
    margin-bottom: 8px;
}

.achievement-label {
    color: var(--text-secondary);
    font-size: 14px;
    line-height: 1.4;
}

.development-roadmap {
    background: var(--dark-card);
    padding: 40px;
    border-radius: 16px;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.development-roadmap h3 {
    font-size: 24px;
    margin-bottom: 30px;
    text-align: center;
    color: var(--text-primary);
}

.roadmap-timeline {
    position: relative;
    padding-left: 30px;
}

.roadmap-timeline::before {
    content: '';
    position: absolute;
    left: 15px;
    top: 0;
    bottom: 0;
    width: 2px;
    background: linear-gradient(to bottom, var(--primary-color), var(--secondary-color));
}

.timeline-item {
    position: relative;
    margin-bottom: 40px;
    padding-left: 40px;
}

.timeline-item:last-child {
    margin-bottom: 0;
}

.timeline-marker {
    position: absolute;
    left: -47px;
    top: 0;
    width: 16px;
    height: 16px;
    background: var(--dark-bg);
    border: 3px solid var(--primary-color);
    border-radius: 50%;
    z-index: 2;
}

.timeline-item.active .timeline-marker {
    background: var(--primary-color);
    box-shadow: 0 0 20px rgba(0, 102, 255, 0.6);
    animation: timelinePulse 2s ease-in-out infinite;
}

@keyframes timelinePulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.2); }
}

.timeline-year {
    font-size: 18px;
    font-weight: 700;
    color: var(--primary-light);
    margin-bottom: 8px;
}

.timeline-title {
    font-size: 16px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 8px;
}

.timeline-desc {
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.5;
    margin-bottom: 12px;
}

.timeline-achievements {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.achievement-tag {
    display: inline-block;
    padding: 4px 12px;
    background: rgba(0, 102, 255, 0.1);
    border: 1px solid rgba(0, 102, 255, 0.3);
    border-radius: 12px;
    font-size: 12px;
    color: var(--primary-light);
    font-weight: 500;
}

.achievement-tag.current {
    background: rgba(0, 212, 170, 0.2);
    border-color: rgba(0, 212, 170, 0.5);
    color: var(--secondary-color);
    animation: tagPulse 2s ease-in-out infinite;
}

.achievement-tag.future {
    background: rgba(255, 255, 255, 0.05);
    border-color: rgba(255, 255, 255, 0.2);
    color: var(--text-muted);
}

@keyframes tagPulse {
    0%, 100% { opacity: 0.8; }
    50% { opacity: 1; }
}

/* 技术亮点 */
.tech-highlights {
    margin-top: 60px;
    padding: 40px;
    background: var(--dark-card);
    border-radius: 20px;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.tech-highlights h3 {
    font-size: 24px;
    margin-bottom: 30px;
    text-align: center;
    color: var(--text-primary);
}

.highlights-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 25px;
}

.highlight-card {
    display: flex;
    gap: 20px;
    padding: 25px;
    background: rgba(255, 255, 255, 0.03);
    border-radius: 16px;
    border: 1px solid rgba(255, 255, 255, 0.08);
    transition: var(--transition-smooth);
    position: relative;
    overflow: hidden;
}

.highlight-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 2px;
    background: var(--gradient-primary);
    transition: var(--transition-smooth);
}

.highlight-card:hover::before {
    left: 0;
}

.highlight-card:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(0, 102, 255, 0.15);
    border-color: rgba(0, 102, 255, 0.2);
}

.highlight-icon {
    width: 50px;
    height: 50px;
    background: var(--gradient-primary);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.highlight-icon i {
    font-size: 20px;
    color: white;
}

.highlight-content h4 {
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 8px;
    color: var(--text-primary);
}

.highlight-content p {
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.5;
    margin-bottom: 12px;
}

.highlight-metrics {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.metric {
    display: inline-block;
    padding: 3px 8px;
    background: rgba(0, 212, 170, 0.1);
    border: 1px solid rgba(0, 212, 170, 0.3);
    border-radius: 8px;
    font-size: 11px;
    color: var(--secondary-color);
    font-weight: 600;
}

/* 合作伙伴和专利区域 */
.partnerships-section,
.patents-section {
    margin-top: 60px;
}

.partnerships-section h3,
.patents-section h3 {
    font-size: 24px;
    font-weight: 600;
    text-align: center;
    margin-bottom: 40px;
    color: var(--text-primary);
    position: relative;
}

.partnerships-section h3::after,
.patents-section h3::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 3px;
    background: var(--gradient-primary);
    border-radius: 2px;
}

.partnerships-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    max-width: 900px;
    margin: 0 auto;
}

.patents-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
}

.partnership-card {
    background: var(--dark-card);
    padding: 24px 20px;
    border-radius: 16px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    text-align: center;
    transition: var(--transition-smooth);
    position: relative;
    overflow: hidden;
    min-height: 200px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.patent-card {
    background: var(--dark-card);
    padding: 28px 24px;
    border-radius: 16px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    text-align: center;
    transition: var(--transition-smooth);
    position: relative;
    overflow: hidden;
}

.partnership-card::before,
.patent-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 2px;
    background: var(--gradient-primary);
    transition: var(--transition-smooth);
}

.partnership-card:hover,
.patent-card:hover {
    transform: translateY(-8px);
    box-shadow: 
        0 20px 40px rgba(0, 102, 255, 0.15),
        0 0 30px rgba(0, 212, 170, 0.1);
    border-color: var(--primary-color);
}

.partnership-card:hover::before,
.patent-card:hover::before {
    left: 0;
}

.partnership-icon,
.patent-icon {
    width: 60px;
    height: 60px;
    margin: 0 auto 20px;
    background: var(--gradient-primary);
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition-smooth);
}

.partnership-card:hover .partnership-icon,
.patent-card:hover .patent-icon {
    transform: scale(1.1);
    box-shadow: 0 10px 25px rgba(0, 102, 255, 0.3);
}

.partnership-icon i,
.patent-icon i {
    font-size: 24px;
    color: white;
}

.partnership-card h4,
.patent-card h4 {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 8px;
    color: var(--text-primary);
}

.partnership-dept {
    font-size: 13px;
    color: var(--secondary-color);
    margin-bottom: 12px;
    font-weight: 500;
}

.partnership-desc {
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: 16px;
    flex-grow: 1;
    display: flex;
    align-items: center;
    justify-content: center;
}

.partnership-card p,
.patent-card p {
    font-size: 14px;
    color: var(--text-secondary);
    margin-bottom: 15px;
    line-height: 1.5;
}

.partnership-focus {
    display: inline-block;
    padding: 6px 12px;
    background: rgba(0, 212, 170, 0.15);
    border: 1px solid rgba(0, 212, 170, 0.3);
    border-radius: 20px;
    font-size: 12px;
    color: var(--secondary-color);
    font-weight: 500;
}

.patent-number {
    font-size: 12px;
    color: var(--text-secondary);
    font-family: 'Courier New', monospace;
    background: rgba(255, 255, 255, 0.05);
    padding: 4px 8px;
    border-radius: 6px;
    display: inline-block;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .partnerships-grid {
        grid-template-columns: 1fr;
        gap: 20px;
        max-width: 400px;
    }
    
    .patents-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .partnerships-section,
    .patents-section {
        margin-top: 40px;
    }
    
    .partnership-card {
        padding: 22px 18px;
        min-height: 180px;
    }
    
    .patent-card {
        padding: 25px 20px;
    }
}

@media (max-width: 480px) {
    .partnerships-grid {
        gap: 16px;
    }
    
    .partnership-card {
        padding: 20px 16px;
        min-height: 160px;
    }
}

/* 联系区域 */
.contact {
    background: var(--dark-surface);
}

.contact-methods {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 40px;
    margin-bottom: 60px;
}

.contact-method {
    background: var(--dark-card);
    padding: 40px 30px;
    border-radius: 16px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    text-align: center;
    transition: var(--transition-smooth);
    position: relative;
    overflow: hidden;
}

.contact-method::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 2px;
    background: var(--gradient-primary);
    transition: var(--transition-smooth);
}

.contact-method:hover {
    transform: translateY(-8px);
    box-shadow: 
        0 20px 40px rgba(0, 102, 255, 0.2),
        0 0 30px rgba(0, 212, 170, 0.1);
    border-color: var(--primary-color);
}

.contact-method:hover::before {
    left: 0;
}

.contact-qr {
    width: 120px;
    height: 120px;
    margin: 0 auto 20px;
    border-radius: 12px;
    overflow: hidden;
    background: var(--gradient-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition-smooth);
}

.contact-method:hover .contact-qr {
    transform: scale(1.05);
    box-shadow: 0 10px 25px rgba(0, 102, 255, 0.3);
}

.qr-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 8px;
}

.taobao-link {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #ff6600, #ff8800);
    color: white;
    font-size: 48px;
}

.contact-info h3 {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 8px;
    color: var(--text-primary);
}

.contact-info p {
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.5;
}

.taobao-url {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 500;
    transition: var(--transition-smooth);
}

.taobao-url:hover {
    color: var(--secondary-color);
    text-decoration: underline;
}

.company-info {
    background: var(--dark-card);
    padding: 40px;
    border-radius: 16px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    text-align: center;
}

.company-details h3 {
    font-size: 24px;
    font-weight: 600;
    margin-bottom: 12px;
    color: var(--text-primary);
}

.company-details p {
    font-size: 16px;
    color: var(--text-secondary);
    margin-bottom: 20px;
}

.business-contact {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    font-size: 16px;
    color: var(--primary-color);
}

.business-contact i {
    font-size: 18px;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .contact-methods {
        grid-template-columns: 1fr;
        gap: 30px;
        margin-bottom: 40px;
    }
    
    .contact-method {
        padding: 30px 20px;
    }
    
    .contact-qr {
        width: 100px;
        height: 100px;
    }
    
    .taobao-link {
        font-size: 36px;
    }
    
    .company-info {
        padding: 30px 20px;
    }
}





/* 页脚 */
.footer {
    background: var(--dark-bg);
    padding: 60px 0 20px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 60px;
    margin-bottom: 40px;
}

.footer-brand {
    max-width: 400px;
}

.footer-logo {
    margin-bottom: 16px;
}

.footer-brand p {
    color: var(--text-secondary);
    line-height: 1.6;
}

.footer-links {
    display: flex;
    gap: 60px;
}

.footer-section h4 {
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 16px;
    color: var(--text-primary);
}

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

.footer-section li {
    margin-bottom: 8px;
}

.footer-section a {
    color: var(--text-secondary);
    text-decoration: none;
    transition: var(--transition-fast);
}

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

.footer-bottom {
    text-align: center;
    padding-top: 20px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    color: var(--text-muted);
    font-size: 14px;
}

/* 动画 */
@keyframes slideInLeft {
    from {
        opacity: 0;
        transform: translateX(-50px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes slideInRight {
    from {
        opacity: 0;
        transform: translateX(50px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

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

/* 响应式设计 */
@media (max-width: 768px) {
    .hamburger {
        display: flex;
    }
    
    .nav-menu {
        display: none;
    }
    
    .hero-container {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .hero-stats {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .hero-buttons {
        justify-content: center;
    }
    
    .robot-face-container {
        width: 320px;
        height: 320px;
    }
    
    .tech-grid {
        grid-template-columns: 1fr;
    }
    
    .comparison-cards {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .vs-divider {
        order: 1;
        margin: 20px 0;
    }
    
    .comparison-card.traditional {
        order: 0;
    }
    
    .comparison-card.yanxi {
        order: 2;
    }
    
    .products-grid {
        grid-template-columns: 1fr;
    }
    
    .market-stats {
        grid-template-columns: 1fr;
    }
    
    .team-grid {
        grid-template-columns: 1fr;
    }
    
    .achievements-stats {
        grid-template-columns: 1fr;
    }
    
    .roadmap-timeline {
        padding-left: 20px;
    }
    
    .timeline-marker {
        left: -37px;
    }
    

    
    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .footer-links {
        justify-content: center;
        gap: 40px;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 16px;
    }
    
    .nav-container {
        padding: 0 16px;
    }
    
    .hero-stats {
        grid-template-columns: 1fr;
    }
    
    .hero-buttons {
        flex-direction: column;
        gap: 12px;
    }
    
    .btn {
        width: 100%;
        justify-content: center;
    }
    
    .robot-face-container {
        width: 280px;
        height: 280px;
    }
    
    .status-indicator {
        padding: 6px 12px;
        font-size: 11px;
    }
    
    .status-dot {
        width: 6px;
        height: 6px;
    }
    
    .achievement-item {
        padding: 20px 15px;
    }
    
    .achievement-number {
        font-size: 28px;
    }
    
    .development-roadmap {
        padding: 30px 20px;
    }
    
    .footer-links {
        flex-direction: column;
        gap: 30px;
    }
}