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

:root {
    --primary-color: #0A1628;
    --primary-light: #1A2A44;
    --primary-dark: #050D18;
    --accent-color: #D4AF37;
    --accent-light: #F0D77E;
    --accent-dark: #A68800;
    --text-primary: #FFFFFF;
    --text-secondary: #B8C5D6;
    --text-muted: #7A8FA5;
    --bg-gradient: linear-gradient(135deg, #0A1628 0%, #1A2A44 50%, #0A1628 100%);
    --card-bg: rgba(26, 42, 68, 0.8);
    --border-color: rgba(212, 175, 55, 0.3);
}

body {
    font-family: 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', sans-serif;
    background: var(--bg-gradient);
    color: var(--text-primary);
    line-height: 1.6;
    min-height: 100vh;
}

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

header {
    background: rgba(10, 22, 40, 0.95);
    backdrop-filter: blur(10px);
    position: sticky;
    top: 0;
    z-index: 1000;
    border-bottom: 1px solid var(--border-color);
}

header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 20px;
}

.logo h1 {
    font-size: 24px;
    background: linear-gradient(90deg, var(--accent-light), var(--accent-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

nav ul {
    display: flex;
    list-style: none;
    gap: 20px;
}

nav ul li a {
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 500;
    transition: all 0.3s ease;
    padding: 8px 15px;
    border-radius: 20px;
}

nav ul li a:hover,
nav ul li.active a {
    color: var(--accent-color);
    background: rgba(212, 175, 55, 0.1);
}

.lang-switch {
    display: flex;
    gap: 8px;
}

.lang-btn {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: var(--primary-light);
    color: var(--text-secondary);
    text-decoration: none;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 12px;
    font-weight: 600;
    border: 1px solid var(--border-color);
    transition: all 0.3s ease;
}

.lang-btn:hover,
.lang-btn.active {
    background: var(--accent-color);
    color: var(--primary-dark);
    border-color: var(--accent-color);
}

.hero {
    padding: 80px 0;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle at center, rgba(212, 175, 55, 0.1) 0%, transparent 70%);
    animation: pulse 10s ease-in-out infinite;
}

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

.hero-content h2 {
    font-size: 48px;
    margin-bottom: 20px;
    background: linear-gradient(135deg, var(--accent-light), var(--accent-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-content p {
    font-size: 18px;
    color: var(--text-secondary);
    max-width: 800px;
    margin: 0 auto 30px;
}

.hero-buttons {
    display: flex;
    justify-content: center;
    gap: 20px;
    flex-wrap: wrap;
}

.btn {
    padding: 14px 32px;
    border-radius: 30px;
    font-weight: 600;
    text-decoration: none;
    transition: all 0.3s ease;
    display: inline-block;
    border: none;
    cursor: pointer;
    font-size: 16px;
}

.btn.primary {
    background: linear-gradient(135deg, var(--accent-color), var(--accent-dark));
    color: var(--primary-dark);
}

.btn.primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(212, 175, 55, 0.4);
}

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

.btn.secondary:hover {
    background: rgba(212, 175, 55, 0.1);
    transform: translateY(-2px);
}

.hero-stats {
    display: flex;
    justify-content: center;
    gap: 60px;
    margin-top: 60px;
    flex-wrap: wrap;
}

.stat {
    text-align: center;
}

.stat .number {
    font-size: 42px;
    font-weight: 700;
    color: var(--accent-color);
    display: block;
}

.stat .label {
    font-size: 14px;
    color: var(--text-muted);
    margin-top: 5px;
}

.features {
    padding: 60px 0;
}

.features h3,
.regions h3,
.newsletter h3 {
    text-align: center;
    font-size: 32px;
    margin-bottom: 40px;
    color: var(--text-primary);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 25px;
}

.feature-card {
    background: var(--card-bg);
    border-radius: 16px;
    padding: 30px;
    border: 1px solid var(--border-color);
    transition: all 0.3s ease;
}

.feature-card:hover {
    transform: translateY(-5px);
    border-color: var(--accent-color);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
}

.feature-card .icon {
    font-size: 48px;
    margin-bottom: 15px;
}

.feature-card h4 {
    font-size: 20px;
    color: var(--accent-color);
    margin-bottom: 10px;
}

.feature-card p {
    color: var(--text-secondary);
    font-size: 14px;
}

.regions-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
}

.region-card {
    padding: 35px;
    border-radius: 12px;
    text-align: center;
    transition: all 0.3s ease;
    cursor: pointer;
}

.region-card:hover {
    transform: scale(1.05);
}

.region-card.asia {
    background: linear-gradient(135deg, rgba(255, 107, 107, 0.2), rgba(255, 107, 107, 0.05));
    border: 1px solid rgba(255, 107, 107, 0.3);
}

.region-card.europe {
    background: linear-gradient(135deg, rgba(78, 205, 196, 0.2), rgba(78, 205, 196, 0.05));
    border: 1px solid rgba(78, 205, 196, 0.3);
}

.region-card.america {
    background: linear-gradient(135deg, rgba(255, 195, 113, 0.2), rgba(255, 195, 113, 0.05));
    border: 1px solid rgba(255, 195, 113, 0.3);
}

.region-card.global {
    background: linear-gradient(135deg, rgba(162, 155, 254, 0.2), rgba(162, 155, 254, 0.05));
    border: 1px solid rgba(162, 155, 254, 0.3);
}

.region-card h4 {
    font-size: 18px;
    margin-bottom: 8px;
    color: var(--text-primary);
}

.region-card p {
    font-size: 13px;
    color: var(--text-muted);
}

.newsletter {
    padding: 60px 0;
    text-align: center;
}

.newsletter p {
    color: var(--text-secondary);
    margin-bottom: 30px;
}

.newsletter-form {
    display: flex;
    gap: 15px;
    max-width: 500px;
    margin: 0 auto;
}

.newsletter-form input {
    flex: 1;
    padding: 14px 20px;
    border-radius: 30px;
    border: 1px solid var(--border-color);
    background: var(--primary-light);
    color: var(--text-primary);
    font-size: 16px;
}

.newsletter-form input:focus {
    outline: none;
    border-color: var(--accent-color);
}

.newsletter-form button {
    padding: 14px 30px;
}

.page-hero {
    padding: 60px 0;
    text-align: center;
    border-bottom: 1px solid var(--border-color);
}

.page-hero h2 {
    font-size: 36px;
    margin-bottom: 10px;
    color: var(--accent-color);
}

.page-hero p {
    color: var(--text-muted);
}

.about-content {
    padding: 60px 0;
}

.about-content article {
    margin-bottom: 50px;
}

.about-content h3 {
    font-size: 26px;
    margin-bottom: 20px;
    color: var(--accent-color);
    border-left: 4px solid var(--accent-color);
    padding-left: 15px;
}

.about-content p {
    color: var(--text-secondary);
    margin-bottom: 15px;
    font-size: 15px;
    line-height: 1.8;
}

.feature-list {
    display: flex;
    flex-direction: column;
    gap: 25px;
}

.feature-item {
    display: flex;
    gap: 20px;
    align-items: flex-start;
}

.feature-item .number {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--accent-color), var(--accent-dark));
    color: var(--primary-dark);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 14px;
    flex-shrink: 0;
}

.feature-text h4 {
    color: var(--text-primary);
    margin-bottom: 5px;
}

.feature-text p {
    color: var(--text-muted);
    margin: 0;
}

.benefits-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
    margin-top: 30px;
}

.benefit-card {
    background: var(--card-bg);
    padding: 25px;
    border-radius: 12px;
    border: 1px solid var(--border-color);
}

.benefit-card h4 {
    color: var(--accent-color);
    margin-bottom: 10px;
}

.benefit-card p {
    color: var(--text-secondary);
    font-size: 14px;
    margin: 0;
}

.cta {
    padding: 60px 0;
    text-align: center;
    background: rgba(212, 175, 55, 0.1);
    margin: 40px 0;
    border-radius: 16px;
}

.cta h3 {
    font-size: 28px;
    margin-bottom: 10px;
}

.cta p {
    color: var(--text-secondary);
    margin-bottom: 30px;
}

.values-content {
    padding: 60px 0;
}

.value-card {
    background: var(--card-bg);
    border-radius: 16px;
    padding: 35px;
    margin-bottom: 25px;
    border-left: 5px solid;
    transition: all 0.3s ease;
}

.value-card:hover {
    transform: translateX(10px);
}

.value-card.primary { border-color: var(--accent-color); }
.value-card.secondary { border-color: #4ED1C4; }
.value-card.tertiary { border-color: #FF6B6B; }
.value-card.quaternary { border-color: #A29BFE; }
.value-card.quinary { border-color: #FFC371; }
.value-card.senary { border-color: #7ED67E; }

.value-card .icon {
    font-size: 42px;
    margin-bottom: 15px;
}

.value-card h3 {
    font-size: 24px;
    color: var(--text-primary);
    margin-bottom: 15px;
}

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

.value-details ul {
    list-style: none;
}

.value-details li {
    padding: 8px 0;
    padding-left: 25px;
    position: relative;
    color: var(--text-muted);
    font-size: 14px;
}

.value-details li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--accent-color);
}

.culture-section {
    padding: 60px 0;
}

.culture-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 25px;
}

.culture-item {
    text-align: center;
    padding: 30px;
    background: var(--card-bg);
    border-radius: 12px;
    border: 1px solid var(--border-color);
}

.culture-item h4 {
    color: var(--accent-color);
    margin-bottom: 10px;
}

.culture-item p {
    color: var(--text-secondary);
    font-size: 14px;
}

.network-overview {
    padding: 60px 0;
    text-align: center;
}

.network-overview h3 {
    font-size: 28px;
    margin-bottom: 20px;
    color: var(--accent-color);
}

.network-overview p {
    color: var(--text-secondary);
    max-width: 800px;
    margin: 0 auto 40px;
}

.network-stats {
    display: flex;
    justify-content: center;
    gap: 40px;
    flex-wrap: wrap;
}

.stat-item {
    text-align: center;
}

.stat-value {
    font-size: 36px;
    font-weight: 700;
    color: var(--accent-color);
    display: block;
}

.stat-label {
    font-size: 14px;
    color: var(--text-muted);
    margin-top: 5px;
}

.regions-detail {
    padding: 40px 0;
}

.regions-detail h3 {
    font-size: 26px;
    margin-bottom: 30px;
    color: var(--accent-color);
    text-align: center;
}

.region-section {
    background: var(--card-bg);
    border-radius: 12px;
    padding: 30px;
    margin-bottom: 20px;
    border: 1px solid var(--border-color);
}

.region-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 15px;
}

.region-header h4 {
    font-size: 20px;
    color: var(--text-primary);
}

.region-count {
    background: var(--accent-color);
    color: var(--primary-dark);
    padding: 5px 15px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 600;
}

.region-section p {
    color: var(--text-secondary);
    margin-bottom: 20px;
    font-size: 14px;
}

.countries-list {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.countries-list span {
    background: var(--primary-light);
    color: var(--text-muted);
    padding: 6px 15px;
    border-radius: 20px;
    font-size: 13px;
}

.network-features {
    padding: 60px 0;
}

.network-features h3 {
    font-size: 26px;
    margin-bottom: 30px;
    text-align: center;
    color: var(--accent-color);
}

.features-list {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 25px;
}

.network-features .feature-item {
    background: var(--card-bg);
    padding: 25px;
    border-radius: 12px;
    border: 1px solid var(--border-color);
    text-align: center;
}

.network-features .feature-icon {
    font-size: 36px;
    margin-bottom: 15px;
}

.network-features h4 {
    color: var(--text-primary);
    margin-bottom: 10px;
}

.network-features p {
    color: var(--text-muted);
    font-size: 14px;
}

.compliance-content {
    padding: 60px 0;
}

.compliance-content article {
    margin-bottom: 40px;
}

.compliance-content h3 {
    font-size: 24px;
    margin-bottom: 20px;
    color: var(--accent-color);
    border-bottom: 2px solid var(--border-color);
    padding-bottom: 10px;
}

.compliance-list {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 20px;
}

.compliance-list .item {
    background: var(--card-bg);
    padding: 25px;
    border-radius: 12px;
    border: 1px solid var(--border-color);
}

.compliance-list .item h4 {
    color: var(--text-primary);
    margin-bottom: 10px;
}

.compliance-list .item p {
    color: var(--text-secondary);
    font-size: 14px;
    margin: 0;
}

.certifications {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
    margin-top: 30px;
}

.cert-card {
    background: var(--card-bg);
    padding: 25px;
    border-radius: 12px;
    text-align: center;
    border: 1px solid var(--border-color);
}

.cert-icon {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: var(--accent-color);
    color: var(--primary-dark);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    font-weight: 700;
    margin: 0 auto 15px;
}

.cert-card h4 {
    color: var(--text-primary);
    margin-bottom: 5px;
}

.cert-card p {
    color: var(--text-muted);
    font-size: 13px;
    margin: 0;
}

.contact-section {
    padding: 60px 0;
    text-align: center;
    background: rgba(212, 175, 55, 0.1);
    margin: 40px 0;
    border-radius: 16px;
}

.contact-section h3 {
    font-size: 24px;
    margin-bottom: 15px;
    color: var(--accent-color);
}

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

.contact-info p {
    color: var(--text-muted);
    margin: 5px 0;
}

footer {
    background: var(--primary-dark);
    padding: 40px 0;
    border-top: 1px solid var(--border-color);
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 30px;
    margin-bottom: 30px;
}

.footer-brand h4 {
    font-size: 18px;
    color: var(--accent-color);
    margin-bottom: 10px;
}

.footer-brand p {
    color: var(--text-muted);
    font-size: 14px;
}

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

.footer-links li {
    margin-bottom: 10px;
}

.footer-links a {
    color: var(--text-muted);
    text-decoration: none;
    font-size: 14px;
    transition: color 0.3s ease;
}

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

.footer-contact p {
    color: var(--text-muted);
    font-size: 14px;
    margin-bottom: 5px;
}

.footer-bottom {
    text-align: center;
    padding-top: 20px;
    border-top: 1px solid var(--border-color);
}

.footer-bottom p {
    color: var(--text-muted);
    font-size: 13px;
}

@media (max-width: 768px) {
    header .container {
        flex-direction: column;
        gap: 15px;
    }
    
    nav ul {
        flex-wrap: wrap;
        justify-content: center;
        gap: 10px;
    }
    
    nav ul li a {
        padding: 6px 12px;
        font-size: 14px;
    }
    
    .hero-content h2 {
        font-size: 32px;
    }
    
    .hero-content p {
        font-size: 16px;
    }
    
    .hero-stats {
        gap: 30px;
    }
    
    .stat .number {
        font-size: 32px;
    }
    
    .features-grid,
    .regions-grid {
        grid-template-columns: 1fr;
    }
    
    .newsletter-form {
        flex-direction: column;
    }
    
    .region-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 10px;
    }
    
    .network-stats {
        gap: 25px;
    }
}