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

:root {
    --primary-color: #f0b90b;
    --secondary-color: #1e2329;
    --accent-color: #0ecb81;
    --danger-color: #f6465d;
    --bg-dark: #0b0e11;
    --bg-card: #1e2329;
    --text-primary: #eaecef;
    --text-secondary: #848e9c;
    --border-color: #2b3139;
    --gradient-gold: linear-gradient(135deg, #f0b90b 0%, #f8d56b 100%);
    --gradient-dark: linear-gradient(135deg, #1e2329 0%, #0b0e11 100%);
}

body {
    font-family: 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', sans-serif;
    background-color: var(--bg-dark);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
}

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

.header {
    background: var(--gradient-dark);
    border-bottom: 1px solid var(--border-color);
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
    backdrop-filter: blur(10px);
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 0;
}

.logo {
    font-size: 24px;
    font-weight: 700;
    color: var(--primary-color);
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 10px;
}

.logo-icon {
    width: 40px;
    height: 40px;
    background: var(--gradient-gold);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
    color: var(--bg-dark);
}

.nav {
    display: flex;
    gap: 30px;
}

.nav a {
    color: var(--text-primary);
    text-decoration: none;
    font-size: 15px;
    font-weight: 500;
    transition: color 0.3s;
    position: relative;
}

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

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

.nav a:hover::after,
.nav a.active::after {
    width: 100%;
}

.header-actions {
    display: flex;
    gap: 15px;
}

.btn {
    padding: 10px 24px;
    border-radius: 4px;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s;
    text-decoration: none;
    display: inline-block;
    text-align: center;
    border: none;
}

.btn-primary {
    background: var(--gradient-gold);
    color: var(--bg-dark);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 20px rgba(240, 185, 11, 0.4);
}

.btn-secondary {
    background: transparent;
    color: var(--primary-color);
    border: 1px solid var(--primary-color);
}

.btn-secondary:hover {
    background: var(--primary-color);
    color: var(--bg-dark);
}

.btn-large {
    padding: 15px 40px;
    font-size: 16px;
}

.hero {
    padding: 150px 0 100px;
    background: radial-gradient(ellipse at top, #1e2329 0%, var(--bg-dark) 70%);
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23f0b90b' fill-opacity='0.03'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
    opacity: 0.5;
}

.hero-content {
    position: relative;
    z-index: 1;
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
}

.hero h1 {
    font-size: 48px;
    font-weight: 700;
    margin-bottom: 20px;
    line-height: 1.2;
}

.hero h1 span {
    color: var(--primary-color);
}

.hero p {
    font-size: 18px;
    color: var(--text-secondary);
    margin-bottom: 40px;
}

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

.stats-bar {
    background: var(--bg-card);
    border-top: 1px solid var(--border-color);
    border-bottom: 1px solid var(--border-color);
    padding: 30px 0;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
}

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

.stat-value {
    font-size: 32px;
    font-weight: 700;
    color: var(--primary-color);
}

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

.section {
    padding: 80px 0;
}

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

.section-title h2 {
    font-size: 36px;
    font-weight: 700;
    margin-bottom: 15px;
}

.section-title p {
    color: var(--text-secondary);
    font-size: 16px;
}

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

.feature-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 40px 30px;
    transition: all 0.3s;
}

.feature-card:hover {
    transform: translateY(-5px);
    border-color: var(--primary-color);
    box-shadow: 0 10px 40px rgba(240, 185, 11, 0.1);
}

.feature-icon {
    width: 60px;
    height: 60px;
    background: var(--gradient-gold);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 28px;
    margin-bottom: 20px;
}

.feature-card h3 {
    font-size: 20px;
    margin-bottom: 15px;
}

.feature-card p {
    color: var(--text-secondary);
    font-size: 14px;
    line-height: 1.8;
}

.products-section {
    background: var(--bg-card);
}

.product-tabs {
    display: flex;
    justify-content: center;
    gap: 20px;
    margin-bottom: 40px;
}

.product-tab {
    padding: 12px 30px;
    background: transparent;
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
    border-radius: 4px;
    cursor: pointer;
    transition: all 0.3s;
}

.product-tab.active,
.product-tab:hover {
    background: var(--primary-color);
    color: var(--bg-dark);
    border-color: var(--primary-color);
}

.product-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
}

.product-card {
    background: var(--bg-dark);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 20px;
    transition: all 0.3s;
}

.product-card:hover {
    border-color: var(--primary-color);
}

.product-header {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 15px;
}

.product-icon {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: var(--gradient-gold);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
    color: var(--bg-dark);
}

.product-name {
    font-weight: 600;
}

.product-symbol {
    font-size: 12px;
    color: var(--text-secondary);
}

.product-price {
    font-size: 24px;
    font-weight: 700;
    margin-bottom: 10px;
}

.product-change {
    font-size: 14px;
    font-weight: 600;
}

.product-change.up {
    color: var(--accent-color);
}

.product-change.down {
    color: var(--danger-color);
}

.news-section {
    background: var(--bg-dark);
}

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

.news-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    overflow: hidden;
    transition: all 0.3s;
}

.news-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.3);
}

.news-image {
    height: 180px;
    background: var(--gradient-dark);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 48px;
}

.news-content {
    padding: 25px;
}

.news-category {
    display: inline-block;
    padding: 4px 12px;
    background: rgba(240, 185, 11, 0.1);
    color: var(--primary-color);
    font-size: 12px;
    border-radius: 4px;
    margin-bottom: 12px;
}

.news-title {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 12px;
    line-height: 1.4;
}

.news-excerpt {
    color: var(--text-secondary);
    font-size: 14px;
    line-height: 1.6;
    margin-bottom: 15px;
}

.news-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 12px;
    color: var(--text-secondary);
}

.breadcrumb {
    background: var(--bg-card);
    padding: 15px 0;
    border-bottom: 1px solid var(--border-color);
    margin-top: 70px;
}

.breadcrumb-content {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 14px;
}

.breadcrumb a {
    color: var(--text-secondary);
    text-decoration: none;
}

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

.breadcrumb-separator {
    color: var(--text-secondary);
}

.breadcrumb-current {
    color: var(--primary-color);
}

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

.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.about-text h2 {
    font-size: 32px;
    margin-bottom: 20px;
}

.about-text p {
    color: var(--text-secondary);
    margin-bottom: 20px;
    line-height: 1.8;
}

.about-image {
    background: var(--bg-card);
    border-radius: 12px;
    height: 400px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 120px;
    border: 1px solid var(--border-color);
}

.values-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
    margin-top: 60px;
}

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

.value-icon {
    font-size: 40px;
    margin-bottom: 15px;
}

.value-item h4 {
    font-size: 18px;
    margin-bottom: 10px;
}

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

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
}

.contact-info h3 {
    font-size: 24px;
    margin-bottom: 30px;
}

.contact-item {
    display: flex;
    align-items: flex-start;
    gap: 15px;
    margin-bottom: 25px;
}

.contact-icon {
    width: 50px;
    height: 50px;
    background: rgba(240, 185, 11, 0.1);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    color: var(--primary-color);
    flex-shrink: 0;
}

.contact-item h4 {
    font-size: 16px;
    margin-bottom: 5px;
}

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

.contact-form {
    background: var(--bg-card);
    padding: 40px;
    border-radius: 12px;
    border: 1px solid var(--border-color);
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-size: 14px;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 12px 15px;
    background: var(--bg-dark);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    color: var(--text-primary);
    font-size: 14px;
    transition: border-color 0.3s;
}

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

.form-group textarea {
    min-height: 120px;
    resize: vertical;
}

.news-detail-content {
    max-width: 900px;
    margin: 0 auto;
}

.news-detail-header {
    margin-bottom: 40px;
}

.news-detail-title {
    font-size: 36px;
    margin-bottom: 20px;
    line-height: 1.3;
}

.news-detail-meta {
    display: flex;
    gap: 20px;
    color: var(--text-secondary);
    font-size: 14px;
}

.news-detail-image {
    width: 100%;
    height: 400px;
    background: var(--bg-card);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 80px;
    margin-bottom: 40px;
    border: 1px solid var(--border-color);
}

.news-detail-body {
    font-size: 16px;
    line-height: 1.8;
    color: var(--text-secondary);
}

.news-detail-body p {
    margin-bottom: 20px;
}

.news-detail-body h3 {
    color: var(--text-primary);
    font-size: 24px;
    margin: 30px 0 15px;
}

.products-detail-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 30px;
}

.product-detail-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 40px;
    transition: all 0.3s;
}

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

.product-detail-icon {
    width: 80px;
    height: 80px;
    background: var(--gradient-gold);
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 36px;
    margin-bottom: 25px;
}

.product-detail-card h3 {
    font-size: 24px;
    margin-bottom: 15px;
}

.product-detail-card p {
    color: var(--text-secondary);
    margin-bottom: 20px;
    line-height: 1.6;
}

.product-features {
    list-style: none;
}

.product-features li {
    padding: 8px 0;
    color: var(--text-secondary);
    font-size: 14px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.product-features li::before {
    content: '✓';
    color: var(--accent-color);
    font-weight: bold;
}

.footer {
    background: var(--bg-card);
    border-top: 1px solid var(--border-color);
    padding: 60px 0 30px;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 40px;
    margin-bottom: 40px;
}

.footer-brand p {
    color: var(--text-secondary);
    margin-top: 20px;
    font-size: 14px;
    line-height: 1.6;
}

.footer-column h4 {
    font-size: 16px;
    margin-bottom: 20px;
    color: var(--text-primary);
}

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

.footer-links li {
    margin-bottom: 12px;
}

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

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

.footer-bottom {
    border-top: 1px solid var(--border-color);
    padding-top: 30px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.footer-copyright {
    color: var(--text-secondary);
    font-size: 14px;
}

.footer-social {
    display: flex;
    gap: 15px;
}

.footer-social a {
    width: 40px;
    height: 40px;
    background: var(--bg-dark);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-secondary);
    text-decoration: none;
    transition: all 0.3s;
}

.footer-social a:hover {
    background: var(--primary-color);
    color: var(--bg-dark);
}

.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    color: var(--text-primary);
    font-size: 24px;
    cursor: pointer;
}

.cta-float {
    position: fixed;
    bottom: 30px;
    right: 30px;
    display: flex;
    flex-direction: column;
    gap: 10px;
    z-index: 999;
}

.cta-float .btn {
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
}

@media (max-width: 1024px) {
    .features-grid,
    .news-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .product-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .footer-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .nav {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: var(--bg-card);
        flex-direction: column;
        padding: 20px;
        border-bottom: 1px solid var(--border-color);
    }
    
    .nav.active {
        display: flex;
    }
    
    .mobile-menu-btn {
        display: block;
    }
    
    .header-actions {
        display: none;
    }
    
    .hero h1 {
        font-size: 32px;
    }
    
    .features-grid,
    .news-grid,
    .product-grid,
    .stats-grid {
        grid-template-columns: 1fr;
    }
    
    .about-content,
    .contact-grid {
        grid-template-columns: 1fr;
    }
    
    .values-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .products-detail-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-bottom {
        flex-direction: column;
        gap: 20px;
        text-align: center;
    }
    
    .cta-float {
        left: 20px;
        right: 20px;
        bottom: 20px;
        flex-direction: row;
        justify-content: center;
    }
    
    .cta-float .btn {
        flex: 1;
    }
}

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

.animate-fadeInUp {
    animation: fadeInUp 0.6s ease-out;
}

@keyframes pulse {
    0%, 100% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.05);
    }
}

.animate-pulse {
    animation: pulse 2s infinite;
}

.highlight {
    color: var(--primary-color);
}

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

.mt-40 {
    margin-top: 40px;
}

.mb-40 {
    margin-bottom: 40px;
}