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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', sans-serif;
    line-height: 1.6;
    color: #333;
    background-color: #f5f7fa
}

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

.header {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 15px 0;
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1)
}

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

.logo h1 {
    font-size: 24px;
    font-weight: 700
}

.nav ul {
    list-style: none;
    display: flex;
    gap: 30px
}

.nav a {
    color: white;
    text-decoration: none;
    font-weight: 500;
    transition: opacity .3s;
    font-size: 15px
}

.nav a:hover {
    opacity: .8
}

.hero {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 80px 0;
    text-align: center
}

.hero-content h2 {
    font-size: 42px;
    margin-bottom: 20px;
    font-weight: 700
}

.hero-subtitle {
    font-size: 20px;
    margin-bottom: 40px;
    opacity: .95
}

.hero-buttons {
    display: flex;
    gap: 20px;
    justify-content: center;
    margin-bottom: 50px
}

.btn {
    display: inline-block;
    padding: 14px 32px;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 600;
    font-size: 16px;
    transition: all .3s;
    cursor: pointer;
    border: none
}

.btn-primary {
    background-color: #fff;
    color: #667eea
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 20px rgba(255,255,255,0.3)
}

.btn-secondary {
    background-color: transparent;
    color: white;
    border: 2px solid white
}

.btn-secondary:hover {
    background-color: rgba(255,255,255,0.1)
}

.btn-large {
    padding: 18px 48px;
    font-size: 18px
}

.stats {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
    max-width: 800px;
    margin: 0 auto
}

.stat-item {
    background: rgba(255,255,255,0.15);
    backdrop-filter: blur(10px);
    padding: 25px 20px;
    border-radius: 12px
}

.stat-number {
    display: block;
    font-size: 28px;
    font-weight: 700;
    margin-bottom: 5px
}

.stat-label {
    font-size: 14px;
    opacity: .9
}

.section-title {
    text-align: center;
    font-size: 36px;
    margin-bottom: 15px;
    color: #2d3748;
    font-weight: 700
}

.section-subtitle {
    text-align: center;
    color: #718096;
    font-size: 18px;
    margin-bottom: 50px
}

.features {
    padding: 80px 0;
    background-color: white
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px
}

.feature-card {
    background: #fff;
    padding: 35px;
    border-radius: 16px;
    box-shadow: 0 5px 20px rgba(0,0,0,0.08);
    transition: transform .3s, box-shadow .3s
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 40px rgba(0,0,0,0.12)
}

.feature-icon {
    font-size: 48px;
    margin-bottom: 20px
}

.feature-card h3 {
    font-size: 22px;
    margin-bottom: 15px;
    color: #2d3748
}

.feature-card p {
    color: #4a5568;
    line-height: 1.8
}

.products {
    padding: 80px 0;
    background-color: #f7fafc
}

.product-tabs {
    display: flex;
    justify-content: center;
    gap: 15px;
    margin-bottom: 40px;
    flex-wrap: wrap
}

.tab-btn {
    padding: 12px 28px;
    border: 2px solid #e2e8f0;
    background: white;
    border-radius: 8px;
    cursor: pointer;
    font-size: 16px;
    font-weight: 600;
    color: #4a5568;
    transition: all .3s
}

.tab-btn.active,
.tab-btn:hover {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    border-color: transparent
}

.tab-content {
    display: none
}

.tab-content.active {
    display: block
}

.product-detail {
    background: white;
    padding: 40px;
    border-radius: 16px;
    box-shadow: 0 5px 20px rgba(0,0,0,0.08)
}

.product-detail h3 {
    font-size: 26px;
    margin-bottom: 25px;
    color: #2d3748
}

.product-text p {
    color: #4a5568;
    margin-bottom: 20px;
    line-height: 1.8;
    font-size: 16px
}

.product-list {
    list-style: none;
    margin: 25px 0
}

.product-list li {
    padding: 10px 0;
    color: #4a5568;
    font-size: 15px
}

.product-highlight {
    margin-top: 30px
}

.highlight-box {
    background: linear-gradient(135deg, #f6f8fb 0%, #e9ecf5 100%);
    padding: 25px;
    border-radius: 12px;
    border-left: 4px solid #667eea
}

.highlight-box h4 {
    font-size: 18px;
    margin-bottom: 15px;
    color: #2d3748
}

.trading-pair {
    display: flex;
    justify-content: space-between;
    padding: 12px 15px;
    background: white;
    margin-bottom: 10px;
    border-radius: 8px
}

.pair-name {
    font-weight: 600;
    color: #2d3748
}

.pair-price.positive {
    color: #38a169;
    font-weight: 600
}

.pair-price.negative {
    color: #e53e3e;
    font-weight: 600
}

.news {
    padding: 80px 0;
    background-color: white
}

.news-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 30px;
    margin-bottom: 40px
}

.news-card {
    background: #f7fafc;
    padding: 30px;
    border-radius: 16px;
    border-left: 4px solid #667eea;
    transition: transform .3s, box-shadow .3s
}

.news-card:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(0,0,0,0.1)
}

.news-card.featured {
    grid-column: span 2;
    background: linear-gradient(135deg, #f6f8fb 0%, #e9ecf5 100%);
    border-left: 4px solid #764ba2
}

.news-badge {
    display: inline-block;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 5px 15px;
    border-radius: 20px;
    font-size: 13px;
    font-weight: 600;
    margin-bottom: 15px
}

.news-card h3 {
    font-size: 20px;
    margin-bottom: 12px;
    color: #2d3748;
    line-height: 1.4
}

.news-date {
    color: #a0aec0;
    font-size: 14px;
    margin-bottom: 15px
}

.news-excerpt {
    color: #4a5568;
    margin-bottom: 15px;
    line-height: 1.7
}

.news-card p {
    color: #4a5568;
    line-height: 1.7;
    margin-bottom: 12px
}

.news-card ul {
    margin: 15px 0;
    padding-left: 20px
}

.news-card li {
    color: #4a5568;
    margin-bottom: 8px;
    line-height: 1.6
}

.news-link {
    color: #667eea;
    text-decoration: none;
    font-weight: 600;
    display: inline-block;
    margin-top: 10px
}

.news-link:hover {
    text-decoration: underline
}

.news-more {
    text-align: center
}

.about {
    padding: 80px 0;
    background-color: #f7fafc
}

.about-content {
    background: white;
    padding: 50px;
    border-radius: 16px;
    box-shadow: 0 5px 20px rgba(0,0,0,0.08)
}

.about-text h3 {
    font-size: 24px;
    margin-top: 35px;
    margin-bottom: 20px;
    color: #2d3748
}

.about-text h3:first-child {
    margin-top: 0
}

.about-text p {
    color: #4a5568;
    line-height: 1.8;
    margin-bottom: 15px
}

.values-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
    margin: 25px 0
}

.value-item {
    background: #f7fafc;
    padding: 20px;
    border-radius: 10px;
    border-left: 3px solid #667eea
}

.value-item strong {
    display: block;
    font-size: 17px;
    margin-bottom: 8px;
    color: #2d3748
}

.value-item p {
    margin: 0;
    font-size: 14px
}

.timeline {
    position: relative;
    margin: 30px 0;
    padding-left: 30px
}

.timeline::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 3px;
    background: linear-gradient(to bottom, #667eea, #764ba2)
}

.timeline-item {
    position: relative;
    margin-bottom: 30px;
    padding-left: 25px
}

.timeline-item::before {
    content: '';
    position: absolute;
    left: -34px;
    top: 5px;
    width: 12px;
    height: 12px;
    background: #667eea;
    border-radius: 50%;
    border: 3px solid white;
    box-shadow: 0 0 0 3px #667eea
}

.timeline-year {
    font-weight: 700;
    font-size: 18px;
    color: #667eea;
    margin-bottom: 8px
}

.timeline-content h4 {
    font-size: 17px;
    margin-bottom: 8px;
    color: #2d3748
}

.timeline-content p {
    color: #4a5568;
    font-size: 14px;
    margin: 0
}

.awards-list {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 15px;
    margin: 20px 0
}

.award-item {
    background: linear-gradient(135deg, #fef5e7 0%, #fdebd0 100%);
    padding: 15px 20px;
    border-radius: 8px;
    font-size: 15px;
    color: #856404
}

.contact {
    padding: 80px 0;
    background-color: white
}

.contact-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 25px;
    margin-bottom: 60px
}

.contact-card {
    background: #f7fafc;
    padding: 30px 20px;
    border-radius: 16px;
    text-align: center;
    transition: transform .3s, box-shadow .3s
}

.contact-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0,0,0,0.1)
}

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

.contact-card h3 {
    font-size: 19px;
    margin-bottom: 12px;
    color: #2d3748
}

.contact-card p {
    color: #718096;
    font-size: 14px;
    margin-bottom: 5px
}

.contact-btn {
    display: inline-block;
    margin-top: 15px;
    padding: 10px 24px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    text-decoration: none;
    border-radius: 6px;
    font-size: 14px;
    font-weight: 600;
    transition: opacity .3s
}

.contact-btn:hover {
    opacity: .85
}

.faq-section {
    background: #f7fafc;
    padding: 40px;
    border-radius: 16px;
    margin-bottom: 50px
}

.faq-section h3 {
    font-size: 26px;
    margin-bottom: 30px;
    text-align: center;
    color: #2d3748
}

.faq-list {
    max-width: 900px;
    margin: 0 auto
}

.faq-item {
    background: white;
    padding: 25px;
    margin-bottom: 15px;
    border-radius: 10px;
    border-left: 4px solid #667eea
}

.faq-item h4 {
    font-size: 17px;
    margin-bottom: 12px;
    color: #2d3748
}

.faq-item p {
    color: #4a5568;
    line-height: 1.7;
    margin: 0
}

.register-section,
.download-section {
    text-align: center;
    padding: 50px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-radius: 16px;
    color: white;
    margin-bottom: 30px
}

.register-section h3,
.download-section h3 {
    font-size: 28px;
    margin-bottom: 15px
}

.register-section p,
.download-section p {
    font-size: 17px;
    margin-bottom: 30px;
    opacity: .95
}

.register-benefits {
    display: flex;
    justify-content: center;
    gap: 30px;
    margin-bottom: 35px;
    flex-wrap: wrap
}

.benefit-item {
    display: flex;
    align-items: center;
    gap: 10px;
    background: rgba(255,255,255,0.2);
    padding: 12px 24px;
    border-radius: 25px;
    font-size: 15px;
    font-weight: 500
}

.benefit-icon {
    font-size: 22px
}

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

.download-btn {
    display: flex;
    align-items: center;
    gap: 12px;
    background: white;
    color: #2d3748;
    padding: 15px 28px;
    border-radius: 10px;
    text-decoration: none;
    transition: transform .3s
}

.download-btn:hover {
    transform: translateY(-3px)
}

.download-icon {
    font-size: 36px
}

.download-info {
    text-align: left
}

.download-info small {
    display: block;
    font-size: 11px;
    color: #718096
}

.download-info strong {
    display: block;
    font-size: 16px;
    color: #2d3748
}

.download-note {
    font-size: 14px;
    opacity: .85;
    margin: 0
}

.footer {
    background: #1a202c;
    color: #cbd5e0;
    padding: 60px 0 30px
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 40px;
    margin-bottom: 40px
}

.footer-section h4 {
    color: white;
    font-size: 18px;
    margin-bottom: 20px
}

.footer-section p {
    font-size: 14px;
    line-height: 1.7;
    margin-bottom: 15px
}

.social-links {
    display: flex;
    gap: 15px;
    margin-top: 15px
}

.social-links a {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    background: rgba(255,255,255,0.1);
    border-radius: 50%;
    text-decoration: none;
    font-size: 18px;
    transition: background .3s
}

.social-links a:hover {
    background: rgba(102,126,234,0.5)
}

.footer-section ul {
    list-style: none
}

.footer-section ul li {
    margin-bottom: 10px
}

.footer-section ul a {
    color: #cbd5e0;
    text-decoration: none;
    font-size: 14px;
    transition: color .3s
}

.footer-section ul a:hover {
    color: white
}

.footer-bottom {
    border-top: 1px solid rgba(255,255,255,0.1);
    padding-top: 25px;
    text-align: center
}

.footer-bottom p {
    font-size: 13px;
    margin-bottom: 8px
}

.footer-bottom a {
    color: #667eea;
    text-decoration: none
}

.footer-bottom a:hover {
    text-decoration: underline
}

.disclaimer {
    background: rgba(239,68,68,0.1);
    padding: 12px 20px;
    border-radius: 8px;
    font-size: 12px !important;
    color: #fc8181 !important;
    margin-top: 15px !important
}

@media (max-width: 968px) {
    .features-grid,
    .news-grid {
        grid-template-columns: 1fr
    }
    
    .news-card.featured {
        grid-column: span 1
    }
    
    .stats {
        grid-template-columns: repeat(2, 1fr)
    }
    
    .contact-grid {
        grid-template-columns: repeat(2, 1fr)
    }
    
    .footer-grid {
        grid-template-columns: repeat(2, 1fr)
    }
    
    .values-grid,
    .awards-list {
        grid-template-columns: 1fr
    }
    
    .hero-content h2 {
        font-size: 28px
    }
    
    .section-title {
        font-size: 28px
    }
    
    .header .container {
        flex-direction: column;
        gap: 15px
    }
    
    .nav ul {
        flex-wrap: wrap;
        justify-content: center;
        gap: 15px
    }
}

@media (max-width: 640px) {
    .stats {
        grid-template-columns: 1fr
    }
    
    .contact-grid {
        grid-template-columns: 1fr
    }
    
    .footer-grid {
        grid-template-columns: 1fr
    }
    
    .hero-buttons {
        flex-direction: column;
        align-items: center
    }
    
    .register-benefits {
        flex-direction: column;
        align-items: center
    }
    
    .download-buttons {
        flex-direction: column;
        align-items: center
    }
    
    .about-content {
        padding: 30px 20px
    }
    
    .product-detail {
        padding: 25px 20px
    }
}