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

body {
    font-family: "Microsoft YaHei", "PingFang SC", sans-serif;
    background-color: #0a0e1a;
    color: #e0e0e0;
    line-height: 1.6;
}

a {
    text-decoration: none;
    color: inherit;
}

ul, ol {
    list-style: none;
}

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

header {
    background: linear-gradient(135deg, #0d1b2a 0%, #1b2838 100%);
    border-bottom: 2px solid #f7931a;
    position: sticky;
    top: 0;
    z-index: 1000;
}

.header-top {
    background: #f7931a;
    padding: 8px 0;
}

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

.header-top-text {
    color: #fff;
    font-size: 14px;
}

.cta-buttons-top {
    display: flex;
    gap: 15px;
}

.btn {
    display: inline-block;
    padding: 10px 30px;
    border-radius: 4px;
    font-weight: bold;
    transition: all 0.3s;
    cursor: pointer;
    border: none;
    font-size: 14px;
}

.btn-primary {
    background: linear-gradient(135deg, #f7931a 0%, #e67e00 100%);
    color: #fff;
}

.btn-primary:hover {
    background: linear-gradient(135deg, #e67e00 0%, #d35400 100%);
    transform: translateY(-2px);
}

.btn-secondary {
    background: linear-gradient(135deg, #00c853 0%, #00a344 100%);
    color: #fff;
}

.btn-secondary:hover {
    background: linear-gradient(135deg, #00a344 0%, #008f39 100%);
    transform: translateY(-2px);
}

.header-main {
    padding: 15px 0;
}

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

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

.logo-icon {
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, #f7931a 0%, #e67e00 100%);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-size: 24px;
    font-weight: bold;
}

.logo-text {
    font-size: 24px;
    font-weight: bold;
    color: #f7931a;
}

.logo-text span {
    color: #fff;
}

nav ul {
    display: flex;
    gap: 40px;
}

nav ul li a {
    color: #e0e0e0;
    font-size: 16px;
    padding: 10px 0;
    position: relative;
    transition: color 0.3s;
}

nav ul li a:hover,
nav ul li a.active {
    color: #f7931a;
}

nav ul li a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: #f7931a;
    transition: width 0.3s;
}

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

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

.mobile-menu-btn span {
    width: 25px;
    height: 3px;
    background: #f7931a;
    transition: all 0.3s;
}

.breadcrumb {
    background: #0d1b2a;
    padding: 15px 0;
    border-bottom: 1px solid #1b2838;
}

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

.breadcrumb-content a {
    color: #f7931a;
}

.breadcrumb-content a:hover {
    text-decoration: underline;
}

.breadcrumb-content span {
    color: #666;
}

.breadcrumb-content .current {
    color: #e0e0e0;
}

.hero {
    background: linear-gradient(135deg, #0d1b2a 0%, #1b2838 50%, #0d1b2a 100%);
    padding: 80px 0;
    text-align: center;
    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="%23f7931a" stroke-width="0.5" opacity="0.1"/></svg>') repeat;
    background-size: 100px 100px;
}

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

.hero h1 {
    font-size: 48px;
    color: #fff;
    margin-bottom: 20px;
    text-shadow: 2px 2px 4px rgba(0,0,0,0.5);
}

.hero h1 span {
    color: #f7931a;
}

.hero-subtitle {
    font-size: 20px;
    color: #b0b0b0;
    margin-bottom: 40px;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

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

.hero-cta .btn {
    padding: 15px 40px;
    font-size: 18px;
}

.section {
    padding: 80px 0;
}

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

.section-title h2 {
    font-size: 36px;
    color: #fff;
    margin-bottom: 15px;
}

.section-title h2 span {
    color: #f7931a;
}

.section-title p {
    color: #888;
    font-size: 16px;
}

.features {
    background: #0a0e1a;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
}

.feature-card {
    background: linear-gradient(135deg, #0d1b2a 0%, #1b2838 100%);
    padding: 40px 30px;
    border-radius: 10px;
    border: 1px solid #1b2838;
    transition: all 0.3s;
    text-align: center;
}

.feature-card:hover {
    transform: translateY(-10px);
    border-color: #f7931a;
    box-shadow: 0 10px 30px rgba(247, 147, 26, 0.2);
}

.feature-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, #f7931a 0%, #e67e00 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 25px;
    font-size: 36px;
}

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

.feature-card p {
    color: #888;
    font-size: 15px;
    line-height: 1.8;
}

.about-preview {
    background: linear-gradient(135deg, #0d1b2a 0%, #1b2838 100%);
}

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

.about-text h2 {
    font-size: 36px;
    color: #fff;
    margin-bottom: 20px;
}

.about-text h2 span {
    color: #f7931a;
}

.about-text p {
    color: #b0b0b0;
    margin-bottom: 20px;
    font-size: 16px;
    line-height: 1.8;
}

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

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

.stat-number {
    font-size: 36px;
    font-weight: bold;
    color: #f7931a;
}

.stat-label {
    color: #888;
    font-size: 14px;
    margin-top: 5px;
}

.about-image {
    position: relative;
}

.about-image-placeholder {
    width: 100%;
    height: 400px;
    background: linear-gradient(135deg, #1b2838 0%, #0d1b2a 100%);
    border-radius: 10px;
    border: 2px solid #f7931a;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 80px;
    color: #f7931a;
}

.products-preview {
    background: #0a0e1a;
}

.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 30px;
}

.product-card {
    background: linear-gradient(135deg, #0d1b2a 0%, #1b2838 100%);
    border-radius: 10px;
    overflow: hidden;
    border: 1px solid #1b2838;
    transition: all 0.3s;
}

.product-card:hover {
    border-color: #f7931a;
    transform: translateY(-5px);
}

.product-header {
    background: linear-gradient(135deg, #f7931a 0%, #e67e00 100%);
    padding: 20px;
    text-align: center;
}

.product-header h3 {
    color: #fff;
    font-size: 24px;
}

.product-body {
    padding: 30px;
}

.product-body ul {
    margin-bottom: 25px;
}

.product-body ul li {
    padding: 10px 0;
    border-bottom: 1px solid #1b2838;
    color: #b0b0b0;
    position: relative;
    padding-left: 25px;
}

.product-body ul li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: #00c853;
    font-weight: bold;
}

.product-body .btn {
    width: 100%;
    text-align: center;
}

.news-section {
    background: linear-gradient(135deg, #0d1b2a 0%, #1b2838 100%);
}

.news-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 30px;
}

.news-card {
    background: #0a0e1a;
    border-radius: 10px;
    overflow: hidden;
    border: 1px solid #1b2838;
    transition: all 0.3s;
}

.news-card:hover {
    border-color: #f7931a;
    transform: translateY(-5px);
}

.news-image {
    height: 200px;
    background: linear-gradient(135deg, #1b2838 0%, #0d1b2a 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 60px;
    color: #f7931a;
}

.news-content {
    padding: 25px;
}

.news-date {
    color: #f7931a;
    font-size: 14px;
    margin-bottom: 10px;
}

.news-content h3 {
    font-size: 20px;
    color: #fff;
    margin-bottom: 15px;
    line-height: 1.4;
}

.news-content h3 a:hover {
    color: #f7931a;
}

.news-content p {
    color: #888;
    font-size: 15px;
    line-height: 1.6;
}

.news-list {
    background: #0a0e1a;
}

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

.news-list-item {
    background: linear-gradient(135deg, #0d1b2a 0%, #1b2838 100%);
    border-radius: 10px;
    padding: 30px;
    margin-bottom: 20px;
    border: 1px solid #1b2838;
    transition: all 0.3s;
    display: flex;
    gap: 25px;
}

.news-list-item:hover {
    border-color: #f7931a;
}

.news-list-date {
    min-width: 80px;
    text-align: center;
}

.news-list-date .day {
    font-size: 36px;
    font-weight: bold;
    color: #f7931a;
    line-height: 1;
}

.news-list-date .month {
    font-size: 14px;
    color: #888;
    text-transform: uppercase;
}

.news-list-content h3 {
    font-size: 20px;
    color: #fff;
    margin-bottom: 10px;
}

.news-list-content h3 a:hover {
    color: #f7931a;
}

.news-list-content p {
    color: #888;
    font-size: 15px;
    line-height: 1.6;
}

.news-detail {
    background: #0a0e1a;
}

.news-detail-container {
    max-width: 900px;
    margin: 0 auto;
    background: linear-gradient(135deg, #0d1b2a 0%, #1b2838 100%);
    border-radius: 10px;
    padding: 50px;
    border: 1px solid #1b2838;
}

.news-detail-header {
    text-align: center;
    margin-bottom: 40px;
    padding-bottom: 30px;
    border-bottom: 1px solid #1b2838;
}

.news-detail-header h1 {
    font-size: 32px;
    color: #fff;
    margin-bottom: 20px;
    line-height: 1.4;
}

.news-detail-meta {
    display: flex;
    justify-content: center;
    gap: 30px;
    color: #888;
    font-size: 14px;
}

.news-detail-meta span {
    display: flex;
    align-items: center;
    gap: 8px;
}

.news-detail-content {
    color: #b0b0b0;
    font-size: 16px;
    line-height: 1.8;
}

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

.news-detail-content h2 {
    color: #f7931a;
    font-size: 24px;
    margin: 30px 0 15px;
}

.news-detail-content h3 {
    color: #fff;
    font-size: 20px;
    margin: 25px 0 15px;
}

.news-detail-content ul {
    margin: 20px 0;
    padding-left: 30px;
}

.news-detail-content ul li {
    margin-bottom: 10px;
    position: relative;
}

.news-detail-content ul li::before {
    content: '•';
    color: #f7931a;
    position: absolute;
    left: -20px;
}

.about-page {
    background: #0a0e1a;
}

.about-section {
    background: linear-gradient(135deg, #0d1b2a 0%, #1b2838 100%);
    border-radius: 10px;
    padding: 50px;
    margin-bottom: 30px;
    border: 1px solid #1b2838;
}

.about-section h2 {
    font-size: 28px;
    color: #f7931a;
    margin-bottom: 25px;
    padding-bottom: 15px;
    border-bottom: 2px solid #f7931a;
}

.about-section p {
    color: #b0b0b0;
    font-size: 16px;
    line-height: 1.8;
    margin-bottom: 20px;
}

.about-section ul {
    padding-left: 30px;
}

.about-section ul li {
    color: #b0b0b0;
    margin-bottom: 15px;
    position: relative;
    padding-left: 25px;
}

.about-section ul li::before {
    content: '▸';
    color: #f7931a;
    position: absolute;
    left: 0;
}

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

.team-member {
    text-align: center;
    padding: 30px;
    background: #0a0e1a;
    border-radius: 10px;
    border: 1px solid #1b2838;
}

.team-member-avatar {
    width: 100px;
    height: 100px;
    background: linear-gradient(135deg, #f7931a 0%, #e67e00 100%);
    border-radius: 50%;
    margin: 0 auto 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 40px;
    color: #fff;
}

.team-member h4 {
    color: #fff;
    font-size: 18px;
    margin-bottom: 5px;
}

.team-member p {
    color: #888;
    font-size: 14px;
    margin: 0;
}

.contact-page {
    background: #0a0e1a;
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
}

.contact-info {
    background: linear-gradient(135deg, #0d1b2a 0%, #1b2838 100%);
    border-radius: 10px;
    padding: 40px;
    border: 1px solid #1b2838;
}

.contact-info h2 {
    font-size: 28px;
    color: #f7931a;
    margin-bottom: 30px;
}

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

.contact-icon {
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, #f7931a 0%, #e67e00 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    color: #fff;
    flex-shrink: 0;
}

.contact-text h4 {
    color: #fff;
    font-size: 18px;
    margin-bottom: 5px;
}

.contact-text p {
    color: #888;
    font-size: 15px;
}

.contact-form {
    background: linear-gradient(135deg, #0d1b2a 0%, #1b2838 100%);
    border-radius: 10px;
    padding: 40px;
    border: 1px solid #1b2838;
}

.contact-form h2 {
    font-size: 28px;
    color: #f7931a;
    margin-bottom: 30px;
}

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

.form-group label {
    display: block;
    color: #fff;
    margin-bottom: 10px;
    font-size: 15px;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 15px;
    background: #0a0e1a;
    border: 1px solid #1b2838;
    border-radius: 5px;
    color: #fff;
    font-size: 15px;
    transition: border-color 0.3s;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: #f7931a;
}

.form-group textarea {
    min-height: 150px;
    resize: vertical;
}

.products-page {
    background: #0a0e1a;
}

.product-detail {
    background: linear-gradient(135deg, #0d1b2a 0%, #1b2838 100%);
    border-radius: 10px;
    padding: 50px;
    margin-bottom: 30px;
    border: 1px solid #1b2838;
}

.product-detail h2 {
    font-size: 28px;
    color: #f7931a;
    margin-bottom: 25px;
}

.product-detail p {
    color: #b0b0b0;
    font-size: 16px;
    line-height: 1.8;
    margin-bottom: 20px;
}

.product-features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.product-feature-item {
    background: #0a0e1a;
    padding: 30px;
    border-radius: 10px;
    border: 1px solid #1b2838;
}

.product-feature-item h4 {
    color: #f7931a;
    font-size: 20px;
    margin-bottom: 15px;
}

.product-feature-item p {
    color: #888;
    margin: 0;
}

.cta-section {
    background: linear-gradient(135deg, #f7931a 0%, #e67e00 100%);
    padding: 60px 0;
    text-align: center;
}

.cta-section h2 {
    font-size: 36px;
    color: #fff;
    margin-bottom: 20px;
}

.cta-section p {
    color: rgba(255,255,255,0.9);
    font-size: 18px;
    margin-bottom: 30px;
}

.cta-section .btn {
    background: #fff;
    color: #f7931a;
    padding: 15px 40px;
    font-size: 18px;
}

.cta-section .btn:hover {
    background: #0a0e1a;
    color: #fff;
}

footer {
    background: #050810;
    padding: 60px 0 30px;
    border-top: 2px solid #f7931a;
}

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

.footer-about h3 {
    color: #f7931a;
    font-size: 24px;
    margin-bottom: 20px;
}

.footer-about p {
    color: #888;
    font-size: 15px;
    line-height: 1.8;
}

.footer-links h4 {
    color: #fff;
    font-size: 18px;
    margin-bottom: 20px;
}

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

.footer-links ul li a {
    color: #888;
    font-size: 15px;
    transition: color 0.3s;
}

.footer-links ul li a:hover {
    color: #f7931a;
}

.footer-bottom {
    border-top: 1px solid #1b2838;
    padding-top: 30px;
    text-align: center;
}

.footer-bottom p {
    color: #666;
    font-size: 14px;
}

.mobile-cta {
    display: none;
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: #0d1b2a;
    padding: 15px;
    border-top: 2px solid #f7931a;
    z-index: 999;
}

.mobile-cta-content {
    display: flex;
    gap: 15px;
}

.mobile-cta .btn {
    flex: 1;
    text-align: center;
    padding: 12px 20px;
}

@media (max-width: 992px) {
    .about-content {
        grid-template-columns: 1fr;
    }
    
    .contact-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-grid {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 768px) {
    .header-top {
        display: none;
    }
    
    nav {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: #0d1b2a;
        border-top: 1px solid #1b2838;
    }
    
    nav.active {
        display: block;
    }
    
    nav ul {
        flex-direction: column;
        gap: 0;
        padding: 20px;
    }
    
    nav ul li a {
        display: block;
        padding: 15px;
        border-bottom: 1px solid #1b2838;
    }
    
    .mobile-menu-btn {
        display: flex;
    }
    
    .hero h1 {
        font-size: 32px;
    }
    
    .hero-subtitle {
        font-size: 16px;
    }
    
    .section-title h2 {
        font-size: 28px;
    }
    
    .about-stats {
        grid-template-columns: 1fr;
    }
    
    .news-list-item {
        flex-direction: column;
    }
    
    .news-detail-container {
        padding: 30px 20px;
    }
    
    .about-section,
    .contact-info,
    .contact-form,
    .product-detail {
        padding: 30px 20px;
    }
    
    .footer-grid {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .mobile-cta {
        display: block;
    }
    
    body {
        padding-bottom: 80px;
    }
}

@media (max-width: 480px) {
    .hero-cta {
        flex-direction: column;
    }
    
    .hero-cta .btn {
        width: 100%;
    }
    
    .features-grid,
    .products-grid,
    .news-grid {
        grid-template-columns: 1fr;
    }
}