/* 高新云台 - gaoxinyt.com 科技商务企业风格 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary-color: #0ea5e9;
    --secondary-color: #8b5cf6;
    --accent-color: #06d6a0;
    --success-color: #22c55e;
    --warning-color: #fbbf24;
    --error-color: #f87171;
    --dark-bg: #0f1419;
    --darker-bg: #0a0e13;
    --card-bg: #1a202c;
    --text-light: #e2e8f0;
    --text-muted: #94a3b8;
    --text-dark: #475569;
    --border-color: #2d3748;
    --glow-color: rgba(14, 165, 233, 0.3);
}

body {
    font-family: 'JetBrains Mono', 'Fira Code', 'Consolas', monospace;
    line-height: 1.6;
    color: var(--text-light);
    background: var(--dark-bg);
    background-image: 
        radial-gradient(circle at 25% 25%, rgba(14, 165, 233, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 75% 75%, rgba(139, 92, 246, 0.1) 0%, transparent 50%);
}

/* 导航栏 - 科技风格 */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(15, 20, 25, 0.9);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border-color);
    z-index: 1000;
    transition: all 0.3s ease;
}

.nav-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 32px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 80px;
}

.logo {
    font-size: 28px;
    font-weight: 700;
    color: var(--primary-color);
    text-decoration: none;
    font-family: 'JetBrains Mono', monospace;
    text-shadow: 0 0 20px var(--glow-color);
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 40px;
}

.nav-link {
    color: var(--text-light);
    text-decoration: none;
    font-weight: 500;
    font-size: 16px;
    transition: all 0.3s ease;
    position: relative;
    padding: 8px 16px;
    border-radius: 6px;
}

.nav-link:hover {
    color: var(--primary-color);
    background: rgba(14, 165, 233, 0.1);
    box-shadow: 0 0 20px var(--glow-color);
}

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

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url("data:image/svg+xml,%3Csvg width='100' height='100' viewBox='0 0 100 100' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='%230ea5e9' fill-opacity='0.05'%3E%3Cpolygon points='50 0 60 40 100 50 60 60 50 100 40 60 0 50 40 40'/%3E%3C/g%3E%3C/svg%3E") repeat;
    animation: float 20s ease-in-out infinite;
}

.hero-content {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 32px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
    z-index: 2;
    position: relative;
}

.hero-text h1 {
    font-size: 4rem;
    font-weight: 800;
    margin-bottom: 32px;
    line-height: 1.1;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: fadeInLeft 1s ease;
}

.hero-text p {
    font-size: 1.25rem;
    margin-bottom: 48px;
    color: var(--text-muted);
    line-height: 1.8;
    animation: fadeInLeft 1s ease 0.2s both;
}

.hero-visual {
    display: flex;
    justify-content: center;
    align-items: center;
    animation: fadeInRight 1s ease 0.4s both;
}

.tech-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
    width: 300px;
    height: 300px;
}

.tech-item {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    transition: all 0.3s ease;
    animation: pulse 2s ease-in-out infinite;
}

.tech-item:hover {
    background: var(--primary-color);
    box-shadow: 0 0 30px var(--glow-color);
    transform: scale(1.1);
}

.cta-buttons {
    display: flex;
    gap: 20px;
    flex-wrap: wrap;
    animation: fadeInLeft 1s ease 0.6s both;
}

.btn {
    padding: 16px 32px;
    border: none;
    border-radius: 8px;
    font-size: 16px;
    font-weight: 600;
    text-decoration: none;
    cursor: pointer;
    transition: all 0.3s ease;
    display: inline-flex;
    align-items: center;
    gap: 12px;
    font-family: inherit;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
    box-shadow: 0 4px 15px rgba(14, 165, 233, 0.3);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(14, 165, 233, 0.4);
}

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

.btn-secondary:hover {
    background: var(--primary-color);
    color: white;
    box-shadow: 0 0 20px var(--glow-color);
}

/* 特色区域 - 科技卡片 */
.features {
    padding: 120px 0;
    background: var(--dark-bg);
}

.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 32px;
}

.section-title {
    text-align: center;
    margin-bottom: 80px;
}

.section-title h2 {
    font-size: 3rem;
    font-weight: 700;
    color: var(--text-light);
    margin-bottom: 24px;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.section-title p {
    font-size: 1.25rem;
    color: var(--text-muted);
    max-width: 700px;
    margin: 0 auto;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 40px;
}

.feature-card {
    background: var(--card-bg);
    border-radius: 20px;
    padding: 48px;
    border: 1px solid var(--border-color);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
    transform: scaleX(0);
    transition: transform 0.3s ease;
}

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

.feature-card:hover {
    transform: translateY(-12px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
    border-color: var(--primary-color);
}

.feature-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 32px;
    color: white;
    margin-bottom: 32px;
    box-shadow: 0 0 30px var(--glow-color);
}

.feature-card h3 {
    font-size: 1.75rem;
    font-weight: 600;
    color: var(--text-light);
    margin-bottom: 20px;
}

.feature-card p {
    color: var(--text-muted);
    line-height: 1.8;
    font-size: 1.1rem;
}

/* 统计数据区域 */
.stats {
    padding: 100px 0;
    background: var(--darker-bg);
    border-top: 1px solid var(--border-color);
    border-bottom: 1px solid var(--border-color);
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 60px;
    text-align: center;
}

.stat-item {
    padding: 40px;
    background: var(--card-bg);
    border-radius: 16px;
    border: 1px solid var(--border-color);
    transition: all 0.3s ease;
}

.stat-item:hover {
    transform: translateY(-8px);
    box-shadow: 0 0 30px var(--glow-color);
}

.stat-item h3 {
    font-size: 3.5rem;
    font-weight: 800;
    color: var(--primary-color);
    margin-bottom: 16px;
    text-shadow: 0 0 20px var(--glow-color);
}

.stat-item p {
    font-size: 1.25rem;
    color: var(--text-muted);
    font-weight: 500;
}

/* 页脚 */
.footer {
    background: var(--darker-bg);
    color: var(--text-light);
    padding: 100px 0 50px;
    border-top: 1px solid var(--border-color);
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 50px;
    margin-bottom: 50px;
}

.footer-section h4 {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 32px;
    color: var(--primary-color);
}

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

.footer-links li {
    margin-bottom: 16px;
}

.footer-links a {
    color: var(--text-muted);
    text-decoration: none;
    transition: all 0.3s ease;
    font-size: 1.1rem;
}

.footer-links a:hover {
    color: var(--primary-color);
    text-shadow: 0 0 10px var(--glow-color);
}

.footer-bottom {
    text-align: center;
    padding-top: 50px;
    border-top: 1px solid var(--border-color);
    color: var(--text-muted);
    font-size: 1.1rem;
}

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

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

@keyframes pulse {
    0%, 100% {
        opacity: 0.6;
    }
    50% {
        opacity: 1;
    }
}

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

/* 响应式设计 */
@media (max-width: 1024px) {
    .hero-content {
        grid-template-columns: 1fr;
        gap: 60px;
        text-align: center;
    }
    
    .hero-text h1 {
        font-size: 3rem;
    }
}

@media (max-width: 768px) {
    .nav-menu {
        display: none;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
    }
    
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .hero-text h1 {
        font-size: 2.5rem;
    }
}

@media (max-width: 480px) {
    .stats-grid {
        grid-template-columns: 1fr;
    }
    
    .cta-buttons {
        flex-direction: column;
        align-items: center;
    }
}