:root {
    --intel-blue: #0068B5;
    --intel-dark: #004a86;
    --intel-light: #00C7FD;
    --tech-purple: #667eea;
    --tech-pink: #f093fb;
    --tech-cyan: #4facfe;
    --text-primary: #1F1F1F;
    --text-secondary: #5E5E5E;
    --bg-gray: #F7F9FB;
    --white: #FFFFFF;
    --border: #E2E8F0;
    --max-width: 1200px;
    --gradient-primary: linear-gradient(135deg, var(--intel-blue), var(--intel-dark));
    --gradient-accent: linear-gradient(45deg, var(--tech-purple), var(--tech-pink));
    --gradient-tech: linear-gradient(135deg, var(--tech-cyan), var(--intel-light));
    --gradient-dark: linear-gradient(135deg, #0a192f, #000814);
    --shadow-sm: 0 4px 6px rgba(0, 104, 181, 0.1);
    --shadow-md: 0 10px 25px rgba(0, 104, 181, 0.15);
    --shadow-lg: 0 20px 40px rgba(0, 104, 181, 0.2);
    --tech-glow: 0 0 20px rgba(0, 199, 253, 0.3);
    --tech-glow-strong: 0 0 30px rgba(0, 199, 253, 0.5);
    --tech-border: 1px solid rgba(0, 199, 253, 0.2);
    --tech-border-strong: 1px solid rgba(0, 199, 253, 0.4);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
    color: var(--text-primary);
    line-height: 1.6;
    background: linear-gradient(135deg, #f8fafc 0%, #e2e8f0 100%);
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
    position: relative;
}

/* Enhanced Tech Background Elements */
.tech-background {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: -1;
    opacity: 0.08;
}

.tech-grid {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: 
        linear-gradient(rgba(0, 104, 181, 0.08) 1px, transparent 1px),
        linear-gradient(90deg, rgba(0, 104, 181, 0.08) 1px, transparent 1px);
    background-size: 30px 30px;
}

.tech-pulse {
    position: absolute;
    width: 300px;
    height: 300px;
    border-radius: 50%;
    background: radial-gradient(circle, var(--intel-light) 0%, transparent 70%);
    opacity: 0.15;
    animation: pulse 12s infinite ease-in-out;
}

.tech-pulse:nth-child(2) {
    top: 20%;
    left: 10%;
    animation-delay: 2s;
    width: 200px;
    height: 200px;
}

.tech-pulse:nth-child(3) {
    bottom: 10%;
    right: 15%;
    animation-delay: 4s;
    width: 250px;
    height: 250px;
}

@keyframes pulse {
    0%, 100% { transform: scale(0.8); opacity: 0.1; }
    50% { transform: scale(1.3); opacity: 0.25; }
}

.container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 24px;
    position: relative;
    z-index: 2;
}

/* Enhanced Typography with Gradient Effects */
h1, h2, h3, h4 {
    font-weight: 300;
    color: var(--intel-blue);
    line-height: 1.2;
    position: relative;
}

h1 { 
    font-size: 3.5rem; 
    margin-bottom: 24px; 
    font-weight: 200;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    text-shadow: 0 2px 4px rgba(0, 104, 181, 0.1);
}

h1::after {
    content: '';
    position: absolute;
    bottom: -12px;
    left: 0;
    width: 80px;
    height: 4px;
    background: var(--intel-light);
    border-radius: 2px;
    box-shadow: var(--tech-glow);
}

h2 { 
    font-size: 2.5rem; 
    margin-bottom: 32px; 
    font-weight: 200;
    background: var(--gradient-tech);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    position: relative;
}

h2::before {
    content: '';
    position: absolute;
    left: -20px;
    top: 50%;
    transform: translateY(-50%);
    width: 4px;
    height: 24px;
    background: var(--intel-light);
    border-radius: 2px;
}

p { 
    margin-bottom: 20px; 
    font-size: 1.1rem; 
    color: var(--text-secondary);
    line-height: 1.7;
}

.section-label {
    display: inline-block;
    color: var(--intel-blue);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    font-size: 0.8rem;
    margin-bottom: 12px;
    position: relative;
    padding: 4px 12px;
    background: rgba(0, 104, 181, 0.05);
    border-radius: 4px;
    transition: all 0.3s ease;
    border: var(--tech-border);
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    text-shadow: none;
}

.section-label::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 104, 181, 0.1);
    border-radius: 4px;
    z-index: -1;
}

.section-label:hover {
    transform: translateY(-2px);
    box-shadow: var(--tech-glow);
}

/* Enhanced Header with Glass Effect */
header {
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-bottom: var(--tech-border-strong);
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: 0 2px 20px rgba(0, 104, 181, 0.1);
}

nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 64px;
}

.logo img { 
    height: 24px; 
    max-width: 100%;
    transition: transform 0.3s ease;
    filter: drop-shadow(0 2px 4px rgba(0, 104, 181, 0.2));
}

.logo:hover img {
    transform: scale(1.05);
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 32px;
}

.nav-links a {
    text-decoration: none;
    color: var(--text-primary);
    font-size: 0.95rem;
    font-weight: 500;
    transition: all 0.2s ease;
    position: relative;
    padding: 4px 0;
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--gradient-primary);
    transition: width 0.3s ease;
}

.nav-links a:hover { 
    color: var(--intel-blue); 
}

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

/* Enhanced Hero Section with Dynamic Gradient */
.hero {
    padding: 120px 0;
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.1) 0%, rgba(118, 75, 162, 0.1) 100%);
    display: flex;
    align-items: center;
    position: relative;
    overflow: hidden;
    border-bottom: var(--tech-border-strong);
}

.hero::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -50%;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle, rgba(0, 104, 181, 0.2) 0%, transparent 70%);
    transform: rotate(45deg);
    z-index: 0;
}

.hero-content { 
    max-width: 800px; 
    position: relative;
    z-index: 1;
}

.btn {
    display: inline-block;
    padding: 14px 32px;
    background: var(--gradient-primary);
    color: var(--white);
    text-decoration: none;
    font-weight: 600;
    border-radius: 30px;
    transition: all 0.3s ease;
    border: none;
    cursor: pointer;
    position: relative;
    overflow: hidden;
    box-shadow: var(--shadow-sm);
}

.btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: left 0.5s;
}

.btn:hover { 
    transform: translateY(-2px);
    box-shadow: var(--shadow-md), var(--tech-glow-strong);
}

.btn:hover::before {
    left: 100%;
}

.btn-primary {
    background: var(--gradient-tech);
}

/* Enhanced Sections with Gradient Borders */
section { 
    padding: 100px 0; 
    position: relative;
}

.section-title {
    text-align: center;
    margin-bottom: 60px;
    position: relative;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -30px;
    left: 50%;
    transform: translateX(-50%);
    width: 100px;
    height: 2px;
    background: var(--gradient-tech);
    opacity: 0.6;
    box-shadow: var(--tech-glow);
}

/* Enhanced Tech Stats Section */
.tech-stats-section {
    background: var(--gradient-dark);
    color: var(--white);
    padding: 80px 0;
    position: relative;
    overflow: hidden;
    border-top: var(--tech-border-strong);
    border-bottom: var(--tech-border-strong);
}

.tech-stats-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: 
        radial-gradient(circle at 20% 30%, rgba(0, 199, 253, 0.2) 0%, transparent 20%),
        radial-gradient(circle at 80% 70%, rgba(0, 199, 253, 0.1) 0%, transparent 30%);
    z-index: 0;
}

.tech-stats-content {
    position: relative;
    z-index: 2;
    text-align: center;
}

.tech-stats-content h2 {
    color: var(--white);
    margin-bottom: 40px;
    background: linear-gradient(135deg, var(--intel-light), #ffffff);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.tech-stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.tech-stat-item {
    background: rgba(255, 255, 255, 0.05);
    padding: 30px;
    border-radius: 16px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    transition: all 0.3s ease;
    backdrop-filter: blur(10px);
}

.tech-stat-item:hover {
    background: rgba(255, 255, 255, 0.1);
    transform: translateY(-5px);
    border-color: var(--intel-light);
    box-shadow: var(--tech-glow);
}

.tech-stat-number {
    font-size: 3rem;
    font-weight: 700;
    color: var(--intel-light);
    margin-bottom: 10px;
    font-family: 'SF Mono', 'Monaco', 'Inconsolata', monospace;
}

.tech-stat-label {
    font-size: 1rem;
    color: rgba(255, 255, 255, 0.8);
    font-weight: 500;
}

/* Enhanced Business Model Section */
.business-model-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 32px;
    margin-top: 40px;
}

.business-card {
    background: var(--white);
    padding: 32px;
    border-radius: 16px;
    border: var(--tech-border);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
    box-shadow: var(--shadow-sm);
}

.business-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 100%;
    background: var(--gradient-primary);
    transform: scaleY(0);
    transform-origin: top;
    transition: transform 0.3s ease;
}

.business-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg), var(--tech-glow);
    border-color: var(--intel-light);
}

.business-card:hover::before {
    transform: scaleY(1);
}

.platform-section {
    margin-top: 60px;
    text-align: center;
}

.platform-section h3 {
    color: var(--intel-blue);
    margin-bottom: 30px;
}

/* Enhanced Team Stats */
.team-stats {
    display: flex;
    justify-content: center;
    gap: 40px;
    margin-bottom: 40px;
    flex-wrap: wrap;
}

.team-stats div {
    text-align: center;
    padding: 20px;
    background: var(--white);
    border-radius: 12px;
    border: var(--tech-border);
    transition: all 0.3s ease;
    min-width: 120px;
    box-shadow: var(--shadow-sm);
}

.team-stats div:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md), var(--tech-glow);
    border-color: var(--intel-light);
}

.team-stats div div:first-child {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--intel-blue);
    margin-bottom: 8px;
}

.team-stats div div:last-child {
    font-size: 0.9rem;
    color: var(--text-secondary);
}

/* Enhanced Statistics Charts */
.statistics-section {
    margin-top: 60px;
    background: linear-gradient(135deg, rgba(79, 172, 254, 0.05) 0%, rgba(0, 199, 253, 0.05) 100%);
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
    gap: 20px;
    text-align: center;
}

.stat-item {
    padding: 24px;
    background: var(--white);
    border-radius: 16px;
    border: var(--tech-border);
    transition: all 0.3s ease;
    box-shadow: var(--shadow-sm);
    position: relative;
    overflow: hidden;
}

.stat-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: var(--gradient-tech);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.3s ease;
}

.stat-item:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-md), var(--tech-glow);
    border-color: var(--intel-light);
}

.stat-item:hover::before {
    transform: scaleX(1);
}

.stat-number {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--intel-blue);
    margin-bottom: 8px;
    line-height: 1;
    font-family: 'SF Mono', 'Monaco', 'Inconsolata', monospace;
}

.stat-label {
    font-size: 0.9rem;
    color: var(--text-secondary);
    font-weight: 500;
}

/* Enhanced Products Section */
.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 32px;
    margin-top: 40px;
}

.product-card {
    background: var(--white);
    border: var(--tech-border);
    border-radius: 16px;
    padding: 32px;
    transition: all 0.3s ease;
    text-align: center;
    box-shadow: var(--shadow-sm);
}

.product-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg), var(--tech-glow);
    border-color: var(--intel-light);
}

/* Enhanced Team Section */
.team-section {
    margin-top: 60px;
}

/* Enhanced Testimonials Section */
.testimonials-section {
    background: var(--gradient-dark);
    color: var(--white);
    padding: 100px 0;
    position: relative;
    overflow: hidden;
}

.testimonial-card {
    background: rgba(255, 255, 255, 0.05);
    padding: 32px;
    border-radius: 16px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    transition: all 0.3s ease;
}

.testimonial-card:hover {
    background: rgba(255, 255, 255, 0.1);
    transform: translateY(-5px);
    border-color: var(--intel-light);
    box-shadow: var(--tech-glow);
}

.testimonial-content {
    margin-bottom: 24px;
    position: relative;
    z-index: 1;
}

.rating {
    color: #FFD700;
    font-size: 1.2rem;
    margin-bottom: 16px;
    letter-spacing: 2px;
}

.testimonial-author {
    display: flex;
    align-items: center;
    gap: 16px;
}

.author-info strong {
    display: block;
    color: var(--text-primary);
    font-weight: 600;
    margin-bottom: 4px;
}

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

/* Contact */
.contact-wrapper {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: 64px;
}

.contact-info h3 { 
    margin-bottom: 30px; 
    color: var(--text-primary); 
    font-weight: 600; 
    font-size: 1.5rem;
}
.info-item { margin-bottom: 24px; }
.info-item strong { 
    display: block; 
    margin-bottom: 4px; 
    color: var(--intel-blue);
    font-weight: 600;
}

.contact-form {
    display: grid;
    gap: 16px;
}

.contact-form input, .contact-form textarea, .contact-form select {
    width: 100%;
    padding: 14px;
    border: var(--tech-border);
    font-family: inherit;
    font-size: 1rem;
    border-radius: 8px;
    transition: all 0.3s ease;
    background: var(--white);
}

.contact-form input:focus, .contact-form textarea:focus, .contact-form select:focus {
    outline: none;
    border-color: var(--intel-light);
    box-shadow: 0 0 0 3px rgba(0, 199, 253, 0.2);
}

/* Footer */
footer {
    background: linear-gradient(135deg, #000814 0%, #0a192f 100%);
    color: var(--white);
    padding: 80px 0 40px;
    position: relative;
    overflow: hidden;
    border-top: var(--tech-border);
}

footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: 
        radial-gradient(circle at top right, rgba(0, 199, 253, 0.1) 0%, transparent 50%),
        radial-gradient(circle at bottom left, rgba(0, 199, 253, 0.05) 0%, transparent 60%);
    z-index: 0;
}

.footer-top {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr 1fr;
    gap: 48px;
    margin-bottom: 48px;
    position: relative;
    z-index: 1;
}

.footer-info p { 
    color: #A0AEC0; 
    margin-top: 16px; 
    font-size: 0.95rem; 
    line-height: 1.7;
}
.footer-links h4 { 
    color: var(--white); 
    margin-bottom: 24px; 
    font-weight: 600; 
    font-size: 1.1rem;
}
.footer-links ul { list-style: none; }
.footer-links li { margin-bottom: 12px; }
.footer-links a { 
    color: #A0AEC0; 
    text-decoration: none; 
    transition: all 0.2s ease;
    position: relative;
    padding: 2px 0;
}

.footer-links a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 1px;
    background: var(--intel-light);
    transition: width 0.3s ease;
}

.footer-links a:hover { 
    color: var(--intel-light); 
}

.footer-links a:hover::after {
    width: 100%;
}

.footer-bottom {
    border-top: 1px solid #1A202C;
    padding-top: 32px;
    display: flex;
    justify-content: space-between;
    color: #718096;
    font-size: 0.85rem;
    position: relative;
    z-index: 1;
}

.footer-legal a { 
    color: #718096; 
    text-decoration: none; 
    margin-left: 24px; 
    transition: color 0.2s ease;
}
.footer-legal a:hover { 
    color: var(--white); 
}

/* Cookie Consent Popup - Enhanced Design */
#cookie-consent {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: var(--white);
    color: var(--text-primary);
    padding: 25px;
    z-index: 10001;
    display: none;
    justify-content: space-between;
    align-items: center;
    box-shadow: 0 -10px 30px rgba(0,0,0,0.2);
    border-top: var(--tech-border);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
}

#cookie-consent p {
    margin: 0;
    font-size: 0.95rem;
    line-height: 1.5;
}

/* Responsive */
@media (max-width: 768px) {
    h1 { 
        font-size: 2.5rem; 
        text-align: center;
    }
    
    h1::after {
        left: 50%;
        transform: translateX(-50%);
    }
    
    h2 { 
        font-size: 2rem; 
        text-align: center;
    }
    
    h2::before {
        display: none;
    }
    
    .hero {
        padding: 80px 0;
        text-align: center;
    }
    
    .hero-content {
        margin: 0 auto;
    }
    
    .contact-wrapper { 
        grid-template-columns: 1fr; 
    }
    
    .footer-top { 
        grid-template-columns: 1fr; 
    }
    
    .nav-links { 
        display: none; 
    }
    
    /* Adjust products grid for mobile */
    .products-grid,
    .testimonials-grid {
        grid-template-columns: 1fr;
    }
    
    /* Adjust team grid for mobile */
    .team-grid {
        grid-template-columns: 1fr;
    }
    
    /* Adjust tech categories for mobile */
    .tech-categories {
        grid-template-columns: 1fr;
    }
    
    /* Adjust statistics for mobile */
    .stats-grid {
        grid-template-columns: 1fr 1fr;
    }
    
    .stat-number {
        font-size: 2rem;
    }
    
    /* Adjust business model for mobile */
    .business-model-grid {
        grid-template-columns: 1fr;
    }
    
    .team-stats {
        gap: 20px;
        flex-direction: column;
        align-items: center;
    }
    
    .platform-section {
        gap: 30px;
    }
    
    .btn {
        display: block;
        margin: 10px auto;
        width: fit-content;
    }
    
    .tech-stats-grid {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 480px) {
    .stats-grid {
        grid-template-columns: 1fr;
    }
    
    .stat-number {
        font-size: 2.2rem;
    }
    
    .platform-section {
        gap: 20px;
    }
    
    h1 {
        font-size: 2rem;
    }
    
    h2 {
        font-size: 1.8rem;
    }
    
    section {
        padding: 60px 0;
    }
    
    .tech-stats-grid {
        grid-template-columns: 1fr;
    }
}

.check-icon {
    width: 50px; /* 调整宽度 */
    height: 50px; /* 调整高度 */
}