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

body {
    font-family: 'Microsoft YaHei', 'PingFang SC', 'Helvetica Neue', Arial, sans-serif;
    line-height: 1.8;
    color: #333;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    min-height: 100vh;
}

header {
    background: linear-gradient(90deg, #1a1a2e 0%, #16213e 100%);
    padding: 15px 0;
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.3);
}

nav {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 20px;
}

.logo {
    font-size: 28px;
    font-weight: bold;
    color: #f0b90b;
    text-decoration: none;
}

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

.nav-links a {
    color: #fff;
    text-decoration: none;
    font-size: 16px;
    transition: color 0.3s;
    padding: 8px 15px;
    border-radius: 5px;
}

.nav-links a:hover {
    color: #f0b90b;
    background: rgba(240, 185, 11, 0.1);
}

main {
    margin-top: 80px;
}

.hero {
    background: linear-gradient(135deg, #1a1a2e 0%, #16213e 50%, #0f3460 100%);
    color: #fff;
    padding: 100px 20px;
    text-align: center;
    min-height: 600px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
}

.hero h1 {
    font-size: 52px;
    margin-bottom: 30px;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
    animation: fadeInUp 1s ease-out;
}

.hero p {
    font-size: 22px;
    max-width: 900px;
    margin: 0 auto 40px;
    line-height: 1.8;
    animation: fadeInUp 1s ease-out 0.3s both;
}

.hero .cta-btn {
    display: inline-block;
    background: linear-gradient(135deg, #f0b90b 0%, #d4a50a 100%);
    color: #1a1a2e;
    padding: 18px 50px;
    font-size: 20px;
    font-weight: bold;
    text-decoration: none;
    border-radius: 50px;
    transition: all 0.3s;
    box-shadow: 0 10px 30px rgba(240, 185, 11, 0.4);
    animation: fadeInUp 1s ease-out 0.6s both;
}

.hero .cta-btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 15px 40px rgba(240, 185, 11, 0.5);
}

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

.section {
    padding: 80px 20px;
    max-width: 1200px;
    margin: 0 auto;
}

.section-title {
    text-align: center;
    font-size: 42px;
    color: #1a1a2e;
    margin-bottom: 60px;
    position: relative;
}

.section-title::after {
    content: '';
    display: block;
    width: 80px;
    height: 4px;
    background: linear-gradient(90deg, #f0b90b, #d4a50a);
    margin: 20px auto 0;
    border-radius: 2px;
}

.features {
    background: #fff;
    border-radius: 20px;
    padding: 60px;
    margin: 40px 0;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.1);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 40px;
    margin-top: 50px;
}

.feature-card {
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
    padding: 40px 30px;
    border-radius: 15px;
    text-align: center;
    transition: all 0.3s;
    border: 2px solid transparent;
}

.feature-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
    border-color: #f0b90b;
}

.feature-card .icon {
    font-size: 60px;
    margin-bottom: 20px;
}

.feature-card h3 {
    font-size: 24px;
    color: #1a1a2e;
    margin-bottom: 15px;
}

.feature-card p {
    color: #666;
    line-height: 1.8;
}

.products {
    background: linear-gradient(135deg, #f8f9fa 0%, #fff 100%);
    padding: 80px 20px;
}

.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    max-width: 1200px;
    margin: 0 auto;
}

.product-card {
    background: #fff;
    border-radius: 15px;
    overflow: hidden;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
    transition: all 0.3s;
}

.product-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.15);
}

.product-card .product-header {
    background: linear-gradient(135deg, #1a1a2e 0%, #16213e 100%);
    color: #fff;
    padding: 30px;
    text-align: center;
}

.product-card .product-header .icon {
    font-size: 50px;
    margin-bottom: 15px;
}

.product-card .product-header h3 {
    font-size: 24px;
}

.product-card .product-body {
    padding: 30px;
}

.product-card .product-body ul {
    list-style: none;
}

.product-card .product-body li {
    padding: 10px 0;
    border-bottom: 1px solid #eee;
    color: #555;
}

.product-card .product-body li:last-child {
    border-bottom: none;
}

.product-card .product-body li::before {
    content: '✓ ';
    color: #f0b90b;
    font-weight: bold;
    margin-right: 10px;
}

.news-section {
    background: #fff;
    padding: 80px 20px;
}

.news-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 30px;
    max-width: 1200px;
    margin: 0 auto;
}

.news-card {
    background: #fff;
    border-radius: 15px;
    overflow: hidden;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
    transition: all 0.3s;
    border: 1px solid #eee;
}

.news-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.15);
}

.news-card .news-image {
    height: 200px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 60px;
}

.news-card .news-content {
    padding: 25px;
}

.news-card .news-date {
    color: #999;
    font-size: 14px;
    margin-bottom: 10px;
}

.news-card h3 {
    font-size: 20px;
    color: #1a1a2e;
    margin-bottom: 15px;
    line-height: 1.5;
}

.news-card p {
    color: #666;
    line-height: 1.8;
    margin-bottom: 15px;
}

.news-card .read-more {
    color: #f0b90b;
    text-decoration: none;
    font-weight: bold;
    transition: color 0.3s;
}

.news-card .read-more:hover {
    color: #d4a50a;
}

.stats {
    background: linear-gradient(135deg, #1a1a2e 0%, #16213e 100%);
    color: #fff;
    padding: 80px 20px;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 40px;
    max-width: 1200px;
    margin: 0 auto;
    text-align: center;
}

.stat-item .number {
    font-size: 48px;
    font-weight: bold;
    color: #f0b90b;
    margin-bottom: 10px;
}

.stat-item .label {
    font-size: 18px;
    color: #ccc;
}

.about-section {
    background: #fff;
    padding: 80px 20px;
}

.about-content {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.about-text h2 {
    font-size: 36px;
    color: #1a1a2e;
    margin-bottom: 30px;
}

.about-text p {
    color: #666;
    line-height: 2;
    margin-bottom: 20px;
}

.about-image {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    height: 400px;
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 100px;
}

.contact-section {
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
    padding: 80px 20px;
}

.contact-content {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
}

.contact-info h2 {
    font-size: 36px;
    color: #1a1a2e;
    margin-bottom: 30px;
}

.contact-item {
    display: flex;
    align-items: center;
    margin-bottom: 25px;
    padding: 20px;
    background: #fff;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
}

.contact-item .icon {
    font-size: 40px;
    margin-right: 20px;
}

.contact-item h4 {
    font-size: 18px;
    color: #1a1a2e;
    margin-bottom: 5px;
}

.contact-item p {
    color: #666;
}

.contact-form {
    background: #fff;
    padding: 40px;
    border-radius: 15px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.contact-form h3 {
    font-size: 28px;
    color: #1a1a2e;
    margin-bottom: 30px;
}

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

.form-group label {
    display: block;
    margin-bottom: 8px;
    color: #333;
    font-weight: 500;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 12px 15px;
    border: 2px solid #eee;
    border-radius: 8px;
    font-size: 16px;
    transition: border-color 0.3s;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: #f0b90b;
}

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

.submit-btn {
    background: linear-gradient(135deg, #f0b90b 0%, #d4a50a 100%);
    color: #1a1a2e;
    border: none;
    padding: 15px 40px;
    font-size: 18px;
    font-weight: bold;
    border-radius: 50px;
    cursor: pointer;
    transition: all 0.3s;
    width: 100%;
}

.submit-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 25px rgba(240, 185, 11, 0.4);
}

footer {
    background: linear-gradient(90deg, #1a1a2e 0%, #16213e 100%);
    color: #fff;
    padding: 60px 20px 30px;
}

.footer-content {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
}

.footer-section h3 {
    font-size: 22px;
    margin-bottom: 25px;
    color: #f0b90b;
}

.footer-section p,
.footer-section a {
    color: #ccc;
    line-height: 2;
    text-decoration: none;
    display: block;
}

.footer-section a:hover {
    color: #f0b90b;
}

.footer-bottom {
    text-align: center;
    padding-top: 40px;
    margin-top: 40px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    color: #999;
}

.page-header {
    background: linear-gradient(135deg, #1a1a2e 0%, #16213e 100%);
    color: #fff;
    padding: 120px 20px 80px;
    text-align: center;
}

.page-header h1 {
    font-size: 48px;
    margin-bottom: 20px;
}

.page-header p {
    font-size: 20px;
    color: #ccc;
    max-width: 800px;
    margin: 0 auto;
}

.breadcrumb {
    background: #f8f9fa;
    padding: 15px 20px;
}

.breadcrumb-content {
    max-width: 1200px;
    margin: 0 auto;
}

.breadcrumb a {
    color: #666;
    text-decoration: none;
}

.breadcrumb a:hover {
    color: #f0b90b;
}

.breadcrumb span {
    color: #999;
    margin: 0 10px;
}

.product-detail {
    background: #fff;
    padding: 60px 20px;
}

.product-detail-content {
    max-width: 1200px;
    margin: 0 auto;
}

.product-detail-card {
    background: #fff;
    border-radius: 15px;
    padding: 40px;
    margin-bottom: 30px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
}

.product-detail-card h2 {
    font-size: 32px;
    color: #1a1a2e;
    margin-bottom: 20px;
    display: flex;
    align-items: center;
}

.product-detail-card h2 .icon {
    margin-right: 15px;
}

.product-detail-card p {
    color: #666;
    line-height: 2;
    margin-bottom: 20px;
}

.product-detail-card ul {
    list-style: none;
    padding-left: 0;
}

.product-detail-card li {
    padding: 12px 0;
    border-bottom: 1px solid #eee;
    color: #555;
}

.product-detail-card li:last-child {
    border-bottom: none;
}

.product-detail-card li::before {
    content: '★ ';
    color: #f0b90b;
    margin-right: 10px;
}

.news-detail {
    background: #fff;
    padding: 60px 20px;
}

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

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

.news-detail-header h1 {
    font-size: 36px;
    color: #1a1a2e;
    margin-bottom: 20px;
    line-height: 1.5;
}

.news-meta {
    color: #999;
    font-size: 16px;
}

.news-meta span {
    margin: 0 15px;
}

.news-detail-body {
    line-height: 2;
    color: #555;
}

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

.news-detail-body h2 {
    font-size: 28px;
    color: #1a1a2e;
    margin: 40px 0 20px;
}

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

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

.highlight-box {
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
    padding: 30px;
    border-radius: 10px;
    margin: 30px 0;
    border-left: 4px solid #f0b90b;
}

.highlight-box h3 {
    color: #1a1a2e;
    margin-bottom: 15px;
}

@media (max-width: 768px) {
    .hero h1 {
        font-size: 32px;
    }

    .hero p {
        font-size: 18px;
    }

    .nav-links {
        display: none;
    }

    .about-content,
    .contact-content {
        grid-template-columns: 1fr;
    }

    .section-title {
        font-size: 32px;
    }

    .features {
        padding: 40px 20px;
    }

    .page-header h1 {
        font-size: 32px;
    }
}