@charset "UTF-8";

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

:root {
    --primary-color: #00d4aa;
    --secondary-color: #0a1628;
    --accent-color: #00ff88;
    --text-dark: #1a1a2e;
    --text-light: #666;
    --bg-light: #f8f9fa;
    --white: #ffffff;
    --border-color: #e0e0e0;
    --gradient-primary: linear-gradient(135deg, #00d4aa 0%, #00a884 100%);
    --gradient-dark: linear-gradient(135deg, #0a1628 0%, #1a2a3a 100%);
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
    line-height: 1.6;
    color: var(--text-dark);
    background-color: var(--white);
}

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

.header {
    background: var(--gradient-dark);
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

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

.logo {
    display: flex;
    align-items: center;
    color: var(--white);
    text-decoration: none;
}

.logo-icon {
    width: 40px;
    height: 40px;
    background: var(--gradient-primary);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-right: 12px;
    font-weight: bold;
    font-size: 18px;
}

.logo-text {
    font-size: 22px;
    font-weight: 700;
}

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

.nav {
    display: flex;
    list-style: none;
    gap: 35px;
}

.nav a {
    color: var(--white);
    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-btns {
    display: flex;
    gap: 12px;
}

.btn {
    padding: 10px 24px;
    border-radius: 6px;
    font-size: 14px;
    font-weight: 600;
    text-decoration: none;
    transition: all 0.3s;
    cursor: pointer;
    border: none;
    display: inline-block;
    text-align: center;
}

.btn-primary {
    background: var(--gradient-primary);
    color: var(--white);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 20px rgba(0, 212, 170, 0.4);
}

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

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

.btn-large {
    padding: 14px 36px;
    font-size: 16px;
}

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

.hero {
    background: var(--gradient-dark);
    padding: 140px 0 80px;
    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="40" fill="none" stroke="%2300d4aa" stroke-width="0.5" opacity="0.1"/></svg>');
    background-size: 100px 100px;
    opacity: 0.3;
}

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

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

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

.hero-subtitle {
    font-size: 20px;
    color: rgba(255,255,255,0.8);
    margin-bottom: 40px;
}

.hero-stats {
    display: flex;
    justify-content: center;
    gap: 60px;
    margin: 50px 0;
}

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

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

.stat-label {
    font-size: 14px;
    color: rgba(255,255,255,0.7);
    margin-top: 5px;
}

.hero-btns {
    display: flex;
    justify-content: center;
    gap: 20px;
    margin-top: 40px;
}

.section {
    padding: 80px 0;
}

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

.section-title h2 {
    font-size: 36px;
    color: var(--text-dark);
    margin-bottom: 15px;
    font-weight: 700;
}

.section-title p {
    font-size: 16px;
    color: var(--text-light);
    max-width: 600px;
    margin: 0 auto;
}

.section-title h2 span {
    color: var(--primary-color);
}

.features {
    background: var(--bg-light);
}

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

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

.feature-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(0,0,0,0.1);
    border-color: var(--primary-color);
}

.feature-icon {
    width: 70px;
    height: 70px;
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 25px;
    font-size: 28px;
    color: var(--white);
}

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

.feature-card p {
    font-size: 14px;
    color: var(--text-light);
    line-height: 1.7;
}

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

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

.product-card:hover {
    box-shadow: 0 15px 35px rgba(0,0,0,0.1);
    transform: translateY(-5px);
}

.product-header {
    background: var(--gradient-dark);
    padding: 30px;
    color: var(--white);
}

.product-header h3 {
    font-size: 22px;
    margin-bottom: 10px;
}

.product-header p {
    font-size: 14px;
    opacity: 0.8;
}

.product-body {
    padding: 30px;
}

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

.product-features li {
    padding: 10px 0;
    border-bottom: 1px solid var(--border-color);
    font-size: 14px;
    color: var(--text-light);
    display: flex;
    align-items: center;
}

.product-features li::before {
    content: '✓';
    color: var(--primary-color);
    font-weight: bold;
    margin-right: 10px;
}

.product-footer {
    padding: 0 30px 30px;
}

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

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

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

.news-card:hover {
    box-shadow: 0 15px 35px rgba(0,0,0,0.1);
}

.news-image {
    height: 200px;
    background: var(--gradient-dark);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-size: 48px;
}

.news-content {
    padding: 25px;
}

.news-meta {
    display: flex;
    gap: 15px;
    margin-bottom: 15px;
    font-size: 13px;
    color: var(--text-light);
}

.news-category {
    color: var(--primary-color);
    font-weight: 600;
}

.news-card h3 {
    font-size: 18px;
    margin-bottom: 12px;
    color: var(--text-dark);
    line-height: 1.4;
}

.news-card p {
    font-size: 14px;
    color: var(--text-light);
    line-height: 1.7;
}

.news-link {
    display: inline-block;
    margin-top: 15px;
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 600;
    font-size: 14px;
}

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

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

.about-text h2 {
    font-size: 36px;
    margin-bottom: 25px;
    color: var(--text-dark);
}

.about-text h2 span {
    color: var(--primary-color);
}

.about-text p {
    font-size: 16px;
    color: var(--text-light);
    line-height: 1.8;
    margin-bottom: 20px;
}

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

.about-stat {
    text-align: center;
    padding: 25px;
    background: var(--bg-light);
    border-radius: 10px;
}

.about-stat-number {
    font-size: 32px;
    font-weight: 700;
    color: var(--primary-color);
    display: block;
}

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

.about-image {
    background: var(--gradient-dark);
    border-radius: 12px;
    height: 450px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-size: 80px;
}

.cta-section {
    background: var(--gradient-dark);
    padding: 100px 0;
    text-align: center;
}

.cta-section h2 {
    font-size: 42px;
    color: var(--white);
    margin-bottom: 20px;
}

.cta-section p {
    font-size: 18px;
    color: rgba(255,255,255,0.8);
    margin-bottom: 40px;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

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

.footer {
    background: #050d18;
    color: var(--white);
    padding: 60px 0 30px;
}

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

.footer-brand p {
    color: rgba(255,255,255,0.7);
    font-size: 14px;
    line-height: 1.8;
    margin-top: 20px;
}

.footer-title {
    font-size: 18px;
    margin-bottom: 25px;
    color: var(--white);
}

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

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

.footer-links a {
    color: rgba(255,255,255,0.7);
    text-decoration: none;
    font-size: 14px;
    transition: color 0.3s;
}

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

.footer-bottom {
    border-top: 1px solid rgba(255,255,255,0.1);
    padding-top: 30px;
    text-align: center;
    color: rgba(255,255,255,0.5);
    font-size: 14px;
}

.breadcrumb {
    background: var(--bg-light);
    padding: 20px 0;
    border-bottom: 1px solid var(--border-color);
}

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

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

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

.breadcrumb span {
    color: var(--primary-color);
    font-weight: 500;
}

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

.page-header {
    background: var(--gradient-dark);
    padding: 120px 0 60px;
    text-align: center;
}

.page-header h1 {
    font-size: 42px;
    color: var(--white);
    margin-bottom: 15px;
}

.page-header p {
    font-size: 16px;
    color: rgba(255,255,255,0.8);
    max-width: 600px;
    margin: 0 auto;
}

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

.contact-info h3 {
    font-size: 28px;
    margin-bottom: 25px;
    color: var(--text-dark);
}

.contact-info > p {
    color: var(--text-light);
    margin-bottom: 30px;
    line-height: 1.8;
}

.contact-item {
    display: flex;
    align-items: flex-start;
    gap: 20px;
    margin-bottom: 25px;
}

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

.contact-item h4 {
    font-size: 16px;
    margin-bottom: 5px;
    color: var(--text-dark);
}

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

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

.form-group {
    margin-bottom: 25px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-size: 14px;
    color: var(--text-dark);
    font-weight: 500;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 14px 18px;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    font-size: 15px;
    transition: border-color 0.3s;
    font-family: inherit;
}

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

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

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

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

.news-list-item:hover {
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
}

.news-list-image {
    background: var(--gradient-dark);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-size: 48px;
    min-height: 200px;
}

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

.news-list-meta {
    display: flex;
    gap: 20px;
    margin-bottom: 15px;
    font-size: 13px;
    color: var(--text-light);
}

.news-list-content h3 {
    font-size: 22px;
    margin-bottom: 15px;
    color: var(--text-dark);
    line-height: 1.4;
}

.news-list-content p {
    font-size: 15px;
    color: var(--text-light);
    line-height: 1.7;
    margin-bottom: 20px;
}

.pagination {
    display: flex;
    justify-content: center;
    gap: 10px;
    margin-top: 50px;
}

.pagination a,
.pagination span {
    padding: 12px 18px;
    border-radius: 6px;
    font-size: 14px;
    text-decoration: none;
    transition: all 0.3s;
}

.pagination a {
    background: var(--white);
    color: var(--text-dark);
    border: 1px solid var(--border-color);
}

.pagination a:hover {
    background: var(--primary-color);
    color: var(--white);
    border-color: var(--primary-color);
}

.pagination span {
    background: var(--primary-color);
    color: var(--white);
}

.news-detail-content {
    max-width: 900px;
    margin: 0 auto;
    background: var(--white);
    padding: 50px;
    border-radius: 12px;
    border: 1px solid var(--border-color);
}

.news-detail-header {
    margin-bottom: 40px;
    padding-bottom: 30px;
    border-bottom: 1px solid var(--border-color);
}

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

.news-detail-meta {
    display: flex;
    gap: 25px;
    font-size: 14px;
    color: var(--text-light);
}

.news-detail-body {
    font-size: 16px;
    line-height: 1.9;
    color: var(--text-dark);
}

.news-detail-body p {
    margin-bottom: 25px;
}

.news-detail-body h2 {
    font-size: 24px;
    margin: 40px 0 20px;
    color: var(--text-dark);
}

.news-detail-body h3 {
    font-size: 20px;
    margin: 30px 0 15px;
    color: var(--text-dark);
}

.news-detail-body ul,
.news-detail-body ol {
    margin-bottom: 25px;
    padding-left: 30px;
}

.news-detail-body li {
    margin-bottom: 10px;
}

.about-detail-content h2 {
    font-size: 28px;
    margin: 40px 0 20px;
    color: var(--text-dark);
}

.about-detail-content h2:first-child {
    margin-top: 0;
}

.about-detail-content p {
    font-size: 16px;
    line-height: 1.9;
    color: var(--text-light);
    margin-bottom: 20px;
}

.timeline {
    position: relative;
    padding-left: 40px;
    margin: 40px 0;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 10px;
    top: 0;
    bottom: 0;
    width: 2px;
    background: var(--primary-color);
}

.timeline-item {
    position: relative;
    margin-bottom: 40px;
}

.timeline-item::before {
    content: '';
    position: absolute;
    left: -36px;
    top: 5px;
    width: 12px;
    height: 12px;
    background: var(--primary-color);
    border-radius: 50%;
}

.timeline-year {
    font-size: 18px;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 10px;
}

.timeline-content h4 {
    font-size: 18px;
    margin-bottom: 10px;
    color: var(--text-dark);
}

.timeline-content p {
    font-size: 14px;
    color: var(--text-light);
    margin: 0;
}

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

.team-member {
    text-align: center;
    padding: 30px;
    background: var(--bg-light);
    border-radius: 12px;
}

.team-avatar {
    width: 100px;
    height: 100px;
    background: var(--gradient-primary);
    border-radius: 50%;
    margin: 0 auto 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-size: 36px;
}

.team-member h4 {
    font-size: 18px;
    margin-bottom: 5px;
    color: var(--text-dark);
}

.team-member p {
    font-size: 14px;
    color: var(--text-light);
    margin: 0;
}

.values-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    margin-top: 40px;
}

.value-card {
    padding: 35px;
    background: var(--bg-light);
    border-radius: 12px;
    text-align: center;
}

.value-icon {
    width: 60px;
    height: 60px;
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    color: var(--white);
    font-size: 24px;
}

.value-card h4 {
    font-size: 18px;
    margin-bottom: 12px;
    color: var(--text-dark);
}

.value-card p {
    font-size: 14px;
    color: var(--text-light);
    margin: 0;
    line-height: 1.7;
}

.mobile-cta {
    display: none;
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: var(--white);
    padding: 15px 20px;
    box-shadow: 0 -5px 20px rgba(0,0,0,0.1);
    z-index: 999;
    gap: 15px;
}

.mobile-cta .btn {
    flex: 1;
}

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

@media (max-width: 768px) {
    .nav {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: var(--secondary-color);
        flex-direction: column;
        padding: 20px;
        gap: 20px;
    }
    
    .nav.active {
        display: flex;
    }
    
    .mobile-menu-btn {
        display: block;
    }
    
    .header-btns {
        display: none;
    }
    
    .hero {
        padding: 120px 0 60px;
    }
    
    .hero h1 {
        font-size: 32px;
    }
    
    .hero-stats {
        flex-direction: column;
        gap: 30px;
    }
    
    .hero-btns {
        flex-direction: column;
        align-items: center;
    }
    
    .features-grid,
    .products-grid,
    .news-grid {
        grid-template-columns: 1fr;
    }
    
    .about-content,
    .contact-content {
        grid-template-columns: 1fr;
    }
    
    .about-image {
        height: 300px;
        order: -1;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .section-title h2 {
        font-size: 28px;
    }
    
    .news-list-item {
        grid-template-columns: 1fr;
    }
    
    .news-list-image {
        height: 200px;
    }
    
    .cta-section h2 {
        font-size: 28px;
    }
    
    .cta-btns {
        flex-direction: column;
        align-items: center;
    }
    
    .page-header h1 {
        font-size: 28px;
    }
    
    .news-detail-content {
        padding: 30px 20px;
    }
    
    .news-detail-header h1 {
        font-size: 24px;
    }
    
    .team-grid,
    .values-grid {
        grid-template-columns: 1fr;
    }
    
    .mobile-cta {
        display: flex;
    }
    
    body {
        padding-bottom: 80px;
    }
}

@media (max-width: 480px) {
    .hero h1 {
        font-size: 26px;
    }
    
    .stat-number {
        font-size: 32px;
    }
    
    .about-stats {
        grid-template-columns: 1fr;
    }
}