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

:root {
    --primary-color: #6366f1;
    --secondary-color: #8b5cf6;
    --accent-color: #ec4899;
    --bg-dark: #0f172a;
    --bg-darker: #020617;
    --bg-card: #1e293b;
    --text-primary: #f1f5f9;
    --text-secondary: #cbd5e1;
    --text-muted: #94a3b8;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    background: var(--bg-darker);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
}

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

.navbar {
    background: rgba(15, 23, 42, 0.95);
    backdrop-filter: blur(10px);
    padding: 1rem 0;
    position: sticky;
    top: 0;
    z-index: 1000;
    border-bottom: 1px solid rgba(99, 102, 241, 0.1);
}

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

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

.nav-links {
    display: flex;
    gap: 2rem;
    align-items: center;
}

.nav-link {
    color: var(--text-secondary);
    text-decoration: none;
    transition: color 0.3s;
    font-weight: 500;
}

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

.lang-toggle {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
    border: none;
    padding: 0.5rem 1rem;
    border-radius: 8px;
    cursor: pointer;
    font-weight: 600;
    transition: transform 0.3s, box-shadow 0.3s;
}

.lang-toggle:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 25px rgba(99, 102, 241, 0.3);
}

.hero {
    min-height: 90vh;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 4rem 0;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 800px;
    height: 800px;
    background: radial-gradient(circle, rgba(99, 102, 241, 0.15), transparent);
    border-radius: 50%;
    animation: pulse 8s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { transform: scale(1); opacity: 0.5; }
    50% { transform: scale(1.1); opacity: 0.8; }
}

.hero-content {
    flex: 1;
    z-index: 1;
    max-width: 600px;
    text-align: center;
    margin: 0 auto;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: 1.5rem;
    background: linear-gradient(135deg, var(--text-primary), var(--primary-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--text-secondary);
    margin-bottom: 2rem;
}

.cta-button {
    display: inline-block;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
    padding: 1rem 2rem;
    border-radius: 12px;
    text-decoration: none;
    font-weight: 600;
    transition: transform 0.3s, box-shadow 0.3s;
}

.cta-button:hover {
    transform: translateY(-3px);
    box-shadow: 0 15px 35px rgba(99, 102, 241, 0.4);
}

.hero-visual {
    flex: 1;
    position: relative;
    height: 500px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.floating-card {
    position: absolute;
    background: linear-gradient(135deg, var(--bg-card), rgba(99, 102, 241, 0.1));
    border: 1px solid rgba(99, 102, 241, 0.2);
    border-radius: 20px;
    backdrop-filter: blur(10px);
}

.card-1 {
    width: 250px;
    height: 180px;
    top: 10%;
    right: 20%;
    animation: float 6s ease-in-out infinite;
}

.card-2 {
    width: 200px;
    height: 150px;
    bottom: 20%;
    right: 10%;
    animation: float 7s ease-in-out infinite 1s;
}

.card-3 {
    width: 180px;
    height: 140px;
    top: 50%;
    right: 40%;
    animation: float 8s ease-in-out infinite 2s;
}

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

.section-title {
    text-align: center;
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 3rem;
    background: linear-gradient(135deg, var(--text-primary), var(--primary-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.features {
    padding: 6rem 0;
    background: var(--bg-dark);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.feature-card {
    background: var(--bg-card);
    padding: 2rem;
    border-radius: 16px;
    border: 1px solid rgba(99, 102, 241, 0.1);
    transition: transform 0.3s, border-color 0.3s;
}

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

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

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

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

.services-preview {
    padding: 6rem 0;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.service-card {
    background: linear-gradient(135deg, var(--bg-card), rgba(99, 102, 241, 0.05));
    padding: 2.5rem;
    border-radius: 20px;
    border: 1px solid rgba(99, 102, 241, 0.2);
    transition: transform 0.3s, box-shadow 0.3s;
}

.service-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 40px rgba(99, 102, 241, 0.2);
}

.service-card h3 {
    font-size: 1.75rem;
    margin-bottom: 1rem;
    color: var(--primary-color);
}

.service-card p {
    color: var(--text-secondary);
}

.page-header {
    background: linear-gradient(135deg, var(--bg-dark), var(--bg-darker));
    padding: 6rem 0 4rem;
    text-align: center;
    border-bottom: 1px solid rgba(99, 102, 241, 0.1);
}

.page-header h1 {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.page-header p {
    font-size: 1.25rem;
    color: var(--text-secondary);
}

.services-detail {
    padding: 6rem 0;
}

.service-detail-card {
    background: var(--bg-card);
    padding: 3rem;
    border-radius: 20px;
    margin-bottom: 2rem;
    border: 1px solid rgba(99, 102, 241, 0.1);
}

.service-detail-icon {
    font-size: 4rem;
    margin-bottom: 1.5rem;
}

.service-detail-card h2 {
    font-size: 2rem;
    margin-bottom: 1rem;
    color: var(--primary-color);
}

.service-detail-card p {
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
    line-height: 1.8;
}

.service-features {
    list-style: none;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1rem;
}

.service-features li {
    padding: 0.75rem 1rem;
    background: rgba(99, 102, 241, 0.1);
    border-radius: 8px;
    border-left: 3px solid var(--primary-color);
}

.about-content {
    padding: 6rem 0;
}

.about-intro {
    max-width: 800px;
    margin: 0 auto 4rem;
    text-align: center;
}

.about-intro h2 {
    font-size: 2.5rem;
    margin-bottom: 1.5rem;
    color: var(--primary-color);
}

.about-intro p {
    font-size: 1.125rem;
    color: var(--text-secondary);
    line-height: 1.8;
}

.mission-vision {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-bottom: 4rem;
}

.mv-card {
    background: var(--bg-card);
    padding: 2.5rem;
    border-radius: 16px;
    border: 1px solid rgba(99, 102, 241, 0.1);
}

.mv-card h3 {
    font-size: 1.75rem;
    margin-bottom: 1rem;
    color: var(--primary-color);
}

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

.values-section {
    margin-bottom: 4rem;
}

.values-section h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 3rem;
    color: var(--primary-color);
}

.values-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.value-card {
    background: var(--bg-card);
    padding: 2rem;
    border-radius: 16px;
    text-align: center;
    border: 1px solid rgba(99, 102, 241, 0.1);
    transition: transform 0.3s;
}

.value-card:hover {
    transform: translateY(-5px);
}

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

.value-card h4 {
    font-size: 1.25rem;
    margin-bottom: 0.75rem;
    color: var(--text-primary);
}

.value-card p {
    color: var(--text-secondary);
}

.team-section {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
}

.team-section h2 {
    font-size: 2.5rem;
    margin-bottom: 1.5rem;
    color: var(--primary-color);
}

.team-section p {
    font-size: 1.125rem;
    color: var(--text-secondary);
    line-height: 1.8;
}

.contact-section {
    padding: 6rem 0;
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
}

.contact-info h2 {
    font-size: 2rem;
    margin-bottom: 1rem;
    color: var(--primary-color);
}

.contact-info > p {
    color: var(--text-secondary);
    margin-bottom: 2rem;
}

.contact-details {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.contact-item {
    display: flex;
    gap: 1rem;
    align-items: flex-start;
}

.contact-icon {
    font-size: 2rem;
    flex-shrink: 0;
}

.contact-item h4 {
    font-size: 1.125rem;
    margin-bottom: 0.25rem;
    color: var(--text-primary);
}

.contact-item p,
.contact-item a {
    color: var(--text-secondary);
    text-decoration: none;
}

.contact-item a:hover {
    color: var(--primary-color);
}

.contact-form-container {
    background: var(--bg-card);
    padding: 2.5rem;
    border-radius: 20px;
    border: 1px solid rgba(99, 102, 241, 0.1);
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.form-group label {
    color: var(--text-primary);
    font-weight: 500;
}

.form-group input,
.form-group textarea {
    background: var(--bg-dark);
    border: 1px solid rgba(99, 102, 241, 0.2);
    border-radius: 8px;
    padding: 0.75rem;
    color: var(--text-primary);
    font-family: inherit;
    transition: border-color 0.3s;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
}

.submit-button {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
    border: none;
    padding: 1rem;
    border-radius: 8px;
    font-weight: 600;
    cursor: pointer;
    transition: transform 0.3s, box-shadow 0.3s;
}

.submit-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 25px rgba(99, 102, 241, 0.3);
}

.legal-content {
    padding: 4rem 0 6rem;
}

.legal-text {
    max-width: 900px;
    margin: 0 auto;
}

.legal-section {
    margin-bottom: 3rem;
}

.legal-section h2 {
    font-size: 1.75rem;
    margin-bottom: 1rem;
    color: var(--primary-color);
}

.legal-section h3 {
    font-size: 1.25rem;
    margin: 1.5rem 0 0.75rem;
    color: var(--text-primary);
}

.legal-section p {
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: 1rem;
}

.legal-section ul {
    margin-left: 2rem;
    margin-bottom: 1rem;
}

.legal-section li {
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: 0.5rem;
}

.legal-section strong {
    color: var(--text-primary);
}

.en-text,
.zh-text {
    display: block;
}

.contact-list {
    list-style: none;
    margin-left: 0;
}

.contact-list li {
    margin-bottom: 0.75rem;
}

.cta-section {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    padding: 4rem 0;
    text-align: center;
}

.cta-section h2 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    color: white;
}

.cta-section p {
    font-size: 1.25rem;
    margin-bottom: 2rem;
    color: rgba(255, 255, 255, 0.9);
}

.cta-section .cta-button {
    background: white;
    color: var(--primary-color);
}

.cta-section .cta-button:hover {
    background: var(--text-primary);
}

.footer {
    background: var(--bg-darker);
    padding: 4rem 0 2rem;
    border-top: 1px solid rgba(99, 102, 241, 0.1);
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-bottom: 2rem;
}

.footer-section h4 {
    margin-bottom: 1rem;
    color: var(--primary-color);
}

.footer-section p,
.footer-section a {
    color: var(--text-secondary);
    text-decoration: none;
    display: block;
    margin-bottom: 0.5rem;
}

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

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid rgba(99, 102, 241, 0.1);
    color: var(--text-muted);
}

@media (max-width: 768px) {
    .hero {
        flex-direction: column;
        text-align: center;
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-visual {
        display: none;
    }
    
    .nav-links {
        gap: 1rem;
        font-size: 0.9rem;
    }
    
    .contact-grid {
        grid-template-columns: 1fr;
    }
    
    .features-grid,
    .services-grid,
    .values-grid {
        grid-template-columns: 1fr;
    }
}