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

:root {
    --primary-color: #f0b90b;
    --secondary-color: #1e2329;
    --bg-dark: #0b0e11;
    --bg-card: #1e2329;
    --text-primary: #ffffff;
    --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;
}

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

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

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

.logo {
    font-size: 24px;
    font-weight: bold;
    background: var(--gradient-gold);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.logo span {
    color: var(--primary-color);
    -webkit-text-fill-color: var(--primary-color);
}

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

.nav a {
    color: var(--text-primary);
    text-decoration: none;
    font-size: 15px;
    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-btns {
    display: flex;
    gap: 15px;
}

.btn {
    padding: 10px 25px;
    border-radius: 4px;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s;
    text-decoration: none;
    display: inline-block;
    border: none;
}

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

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 20px rgba(240, 185, 11, 0.4);
}

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

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

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

/* Mobile Menu */
.mobile-menu-btn {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
}

.mobile-menu-btn span {
    width: 25px;
    height: 2px;
    background: var(--primary-color);
}

/* Hero Section */
.hero {
    padding: 150px 0 100px;
    background: var(--gradient-dark);
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><circle cx="50" cy="50" r="1" fill="%23f0b90b" opacity="0.3"/></svg>');
    background-size: 50px 50px;
    opacity: 0.5;
}

.hero-content {
    position: relative;
    z-index: 1;
    text-align: center;
}

.hero h1 {
    font-size: 48px;
    margin-bottom: 20px;
    background: var(--gradient-gold);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero p {
    font-size: 20px;
    color: var(--text-secondary);
    margin-bottom: 40px;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

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

/* Stats Section */
.stats {
    padding: 60px 0;
    background: var(--bg-card);
    border-top: 1px solid var(--border-color);
    border-bottom: 1px solid var(--border-color);
}

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

.stat-item {
    text-align: center;
    padding: 20px;
}

.stat-number {
    font-size: 36px;
    font-weight: bold;
    color: var(--primary-color);
    margin-bottom: 10px;
}

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

/* Section Title */
.section-title {
    text-align: center;
    margin-bottom: 60px;
}

.section-title h2 {
    font-size: 36px;
    margin-bottom: 15px;
    color: var(--text-primary);
}

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

/* Features Section */
.features {
    padding: 100px 0;
    background: var(--bg-dark);
}

.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;
    text-align: center;
    transition: all 0.3s;
}

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

.feature-icon {
    width: 80px;
    height: 80px;
    background: var(--gradient-gold);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 25px;
    font-size: 32px;
}

.feature-card h3 {
    font-size: 20px;
    margin-bottom: 15px;
    color: var(--text-primary);
}

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

/* Products Section */
.products {
    padding: 100px 0;
    background: var(--bg-card);
}

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

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

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

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

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

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

.product-features li {
    padding: 8px 0;
    color: var(--text-secondary);
    position: relative;
    padding-left: 25px;
}

.product-features li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--primary-color);
    font-weight: bold;
}

/* News Section */
.news {
    padding: 100px 0;
    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);
    border-color: var(--primary-color);
}

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

.news-content {
    padding: 25px;
}

.news-date {
    color: var(--primary-color);
    font-size: 13px;
    margin-bottom: 10px;
}

.news-card h3 {
    font-size: 18px;
    margin-bottom: 15px;
    color: var(--text-primary);
    line-height: 1.5;
}

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

.read-more {
    display: inline-block;
    margin-top: 15px;
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 600;
}

.read-more:hover {
    text-decoration: underline;
}

/* CTA Section */
.cta {
    padding: 100px 0;
    background: var(--gradient-dark);
    text-align: center;
    border-top: 1px solid var(--border-color);
    border-bottom: 1px solid var(--border-color);
}

.cta h2 {
    font-size: 36px;
    margin-bottom: 20px;
}

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

/* Footer */
.footer {
    background: var(--bg-dark);
    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;
    line-height: 1.8;
}

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

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

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

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

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

.footer-bottom {
    border-top: 1px solid var(--border-color);
    padding-top: 30px;
    text-align: center;
    color: var(--text-secondary);
    font-size: 14px;
}

/* Breadcrumb */
.breadcrumb {
    padding: 120px 0 40px;
    background: var(--bg-card);
    border-bottom: 1px solid var(--border-color);
}

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

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

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

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

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

/* Page Content */
.page-content {
    padding: 60px 0 100px;
    background: var(--bg-dark);
    min-height: 600px;
}

.page-section {
    margin-bottom: 60px;
}

.page-section h2 {
    font-size: 28px;
    margin-bottom: 25px;
    color: var(--primary-color);
}

.page-section p {
    color: var(--text-secondary);
    line-height: 2;
    margin-bottom: 20px;
}

/* About Page */
.about-intro {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
    margin-bottom: 80px;
}

.about-text h2 {
    font-size: 32px;
    margin-bottom: 25px;
    color: var(--text-primary);
}

.about-text p {
    color: var(--text-secondary);
    line-height: 2;
    margin-bottom: 20px;
}

.about-image {
    background: var(--bg-card);
    border-radius: 12px;
    padding: 60px;
    text-align: center;
    border: 1px solid var(--border-color);
}

.about-image .icon {
    font-size: 120px;
    margin-bottom: 20px;
}

.values-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
    margin-top: 40px;
}

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

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

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

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

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

.contact-info h3 {
    font-size: 24px;
    margin-bottom: 30px;
    color: var(--text-primary);
}

.contact-item {
    display: flex;
    align-items: flex-start;
    gap: 20px;
    margin-bottom: 30px;
}

.contact-item .icon {
    width: 50px;
    height: 50px;
    background: var(--bg-card);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    border: 1px solid var(--border-color);
}

.contact-item h4 {
    color: var(--text-primary);
    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: 25px;
}

.form-group label {
    display: block;
    margin-bottom: 10px;
    color: var(--text-primary);
    font-size: 14px;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 15px;
    background: var(--bg-dark);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    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: 150px;
    resize: vertical;
}

/* News List Page */
.news-list {
    display: flex;
    flex-direction: column;
    gap: 30px;
}

.news-list-item {
    display: grid;
    grid-template-columns: 280px 1fr;
    gap: 30px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    overflow: hidden;
    transition: all 0.3s;
}

.news-list-item:hover {
    border-color: var(--primary-color);
}

.news-list-image {
    background: var(--gradient-dark);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 64px;
    min-height: 200px;
}

.news-list-content {
    padding: 30px;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.news-list-content .date {
    color: var(--primary-color);
    font-size: 13px;
    margin-bottom: 15px;
}

.news-list-content h3 {
    font-size: 22px;
    margin-bottom: 15px;
    color: var(--text-primary);
}

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

.news-meta {
    display: flex;
    gap: 20px;
    color: var(--text-secondary);
    font-size: 13px;
}

/* News Detail Page */
.news-detail {
    max-width: 900px;
    margin: 0 auto;
}

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

.news-detail-header h1 {
    font-size: 32px;
    margin-bottom: 20px;
    color: var(--text-primary);
    line-height: 1.4;
}

.news-detail-meta {
    display: flex;
    gap: 30px;
    color: var(--text-secondary);
    font-size: 14px;
}

.news-detail-content {
    background: var(--bg-card);
    padding: 50px;
    border-radius: 12px;
    border: 1px solid var(--border-color);
}

.news-detail-content p {
    color: var(--text-secondary);
    line-height: 2;
    margin-bottom: 25px;
    font-size: 16px;
}

.news-detail-content h3 {
    color: var(--text-primary);
    margin: 40px 0 20px;
    font-size: 22px;
}

.news-detail-content ul {
    margin-left: 30px;
    margin-bottom: 25px;
}

.news-detail-content li {
    color: var(--text-secondary);
    line-height: 2;
}

/* Products Page */
.product-detail {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 50px;
    margin-bottom: 40px;
}

.product-detail h3 {
    font-size: 28px;
    color: var(--primary-color);
    margin-bottom: 20px;
}

.product-detail > p {
    color: var(--text-secondary);
    line-height: 2;
    margin-bottom: 30px;
}

.product-specs {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
    margin-top: 30px;
}

.spec-item {
    background: var(--bg-dark);
    padding: 25px;
    border-radius: 8px;
    text-align: center;
}

.spec-item h4 {
    color: var(--primary-color);
    font-size: 24px;
    margin-bottom: 10px;
}

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

/* Floating CTA */
.floating-cta {
    position: fixed;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--bg-card);
    border: 1px solid var(--primary-color);
    border-radius: 50px;
    padding: 15px 30px;
    display: flex;
    gap: 20px;
    z-index: 999;
    box-shadow: 0 5px 30px rgba(0, 0, 0, 0.5);
}

/* Mobile Responsive */
@media (max-width: 992px) {
    .nav {
        display: none;
    }
    
    .mobile-menu-btn {
        display: flex;
    }
    
    .header-btns {
        display: none;
    }
    
    .hero h1 {
        font-size: 32px;
    }
    
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .features-grid,
    .news-grid {
        grid-template-columns: 1fr;
    }
    
    .products-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .about-intro,
    .contact-grid {
        grid-template-columns: 1fr;
    }
    
    .values-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .news-list-item {
        grid-template-columns: 1fr;
    }
    
    .news-list-image {
        min-height: 180px;
    }
    
    .product-specs {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 576px) {
    .hero h1 {
        font-size: 24px;
    }
    
    .hero p {
        font-size: 16px;
    }
    
    .section-title h2 {
        font-size: 24px;
    }
    
    .stats-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-grid {
        grid-template-columns: 1fr;
    }
    
    .values-grid {
        grid-template-columns: 1fr;
    }
    
    .floating-cta {
        flex-direction: column;
        padding: 15px 20px;
        width: 90%;
    }
    
    .floating-cta .btn {
        width: 100%;
        text-align: center;
    }
    
    .news-detail-content {
        padding: 25px;
    }
    
    .product-detail {
        padding: 25px;
    }
}