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

:root {
    --primary-color: #6366f1;
    --secondary-color: #8b5cf6;
    --accent-color: #ec4899;
    --dark-bg: #0f172a;
    --dark-card: #1e293b;
    --text-primary: #f1f5f9;
    --text-secondary: #cbd5e1;
    --gradient: linear-gradient(135deg, #6366f1 0%, #8b5cf6 50%, #ec4899 100%);
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    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;
}

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(15, 23, 42, 0.95);
    backdrop-filter: blur(10px);
    padding: 1rem 0;
    z-index: 1000;
    border-bottom: 1px solid rgba(99, 102, 241, 0.2);
}

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

.logo {
    font-size: 1.5rem;
    font-weight: bold;
    background: var(--gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 2rem;
}

.nav-links a {
    color: var(--text-secondary);
    text-decoration: none;
    transition: color 0.3s;
    position: relative;
}

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

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--gradient);
    transition: width 0.3s;
}

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

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

.hero-content {
    text-align: center;
    z-index: 2;
    animation: fadeInUp 1s ease-out;
}

.hero-title {
    font-size: 4rem;
    margin-bottom: 1rem;
    background: var(--gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-weight: 800;
}

.hero-subtitle {
    font-size: 1.5rem;
    color: var(--text-secondary);
    margin-bottom: 2rem;
}

.cta-button {
    display: inline-block;
    padding: 1rem 2rem;
    background: var(--gradient);
    color: white;
    text-decoration: none;
    border-radius: 50px;
    font-weight: 600;
    transition: transform 0.3s, box-shadow 0.3s;
    box-shadow: 0 10px 30px rgba(99, 102, 241, 0.3);
}

.cta-button:hover {
    transform: translateY(-3px);
    box-shadow: 0 15px 40px rgba(99, 102, 241, 0.5);
}

/* Quantum Animation */
.quantum-animation {
    position: absolute;
    width: 100%;
    height: 100%;
    top: 0;
    left: 0;
    z-index: 1;
    opacity: 0.3;
}

.quantum-particle {
    position: absolute;
    width: 20px;
    height: 20px;
    background: var(--primary-color);
    border-radius: 50%;
    box-shadow: 0 0 20px var(--primary-color);
    animation: float 6s infinite ease-in-out;
}

.quantum-particle:nth-child(1) {
    top: 20%;
    left: 10%;
    animation-delay: 0s;
}

.quantum-particle:nth-child(2) {
    top: 60%;
    left: 80%;
    animation-delay: 2s;
    background: var(--secondary-color);
    box-shadow: 0 0 20px var(--secondary-color);
}

.quantum-particle:nth-child(3) {
    top: 80%;
    left: 30%;
    animation-delay: 4s;
    background: var(--accent-color);
    box-shadow: 0 0 20px var(--accent-color);
}

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

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

/* Sections */
.section {
    padding: 5rem 0;
}

.section-alt {
    background: var(--dark-card);
}

.section-title {
    font-size: 2.5rem;
    text-align: center;
    margin-bottom: 3rem;
    background: var(--gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Content Grid */
.content-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.card {
    background: var(--dark-card);
    padding: 2rem;
    border-radius: 15px;
    border: 1px solid rgba(99, 102, 241, 0.2);
    transition: transform 0.3s, box-shadow 0.3s;
}

.card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(99, 102, 241, 0.2);
    border-color: var(--primary-color);
}

.card-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.card h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: var(--primary-color);
}

.card p {
    color: var(--text-secondary);
    line-height: 1.8;
}

/* Applications Grid */
.applications-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
}

.application-item {
    background: var(--dark-bg);
    padding: 2rem;
    border-radius: 15px;
    border-left: 4px solid var(--primary-color);
    transition: transform 0.3s, border-color 0.3s;
}

.application-item:hover {
    transform: translateX(10px);
    border-left-color: var(--accent-color);
}

.application-item h3 {
    font-size: 1.3rem;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.application-item p {
    color: var(--text-secondary);
    line-height: 1.8;
}

/* Future Content */
.future-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 3rem;
    margin-bottom: 3rem;
}

.future-text h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: var(--primary-color);
}

.future-text ul {
    list-style: none;
    padding-left: 0;
}

.future-text li {
    padding: 0.5rem 0;
    padding-left: 1.5rem;
    position: relative;
    color: var(--text-secondary);
}

.future-text li::before {
    content: '▸';
    position: absolute;
    left: 0;
    color: var(--primary-color);
}

.quote {
    text-align: center;
    padding: 2rem;
    background: var(--dark-card);
    border-radius: 15px;
    border-left: 4px solid var(--accent-color);
    margin-top: 3rem;
}

.quote p {
    font-size: 1.2rem;
    font-style: italic;
    color: var(--text-secondary);
}

/* Footer */
.footer {
    background: var(--dark-card);
    padding: 2rem 0;
    text-align: center;
    border-top: 1px solid rgba(99, 102, 241, 0.2);
}

.footer p {
    color: var(--text-secondary);
    margin: 0.5rem 0;
}

.footer .icp-beian {
    margin-top: 1rem;
    font-size: 0.9rem;
}

.footer .icp-beian a {
    color: var(--text-secondary);
    text-decoration: none;
    transition: color 0.3s;
}

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

.footer .beian-separator {
    color: var(--text-secondary);
    margin: 0 0.5rem;
}

/* Responsive */
@media (max-width: 768px) {
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-subtitle {
        font-size: 1.2rem;
    }
    
    .nav-links {
        gap: 1rem;
        font-size: 0.9rem;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .content-grid,
    .applications-grid {
        grid-template-columns: 1fr;
    }
}