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

body {
    font-family: 'Microsoft YaHei', 'PingFang SC', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: linear-gradient(135deg, #0f0f23 0%, #1a1a2e 50%, #16213e 100%);
    color: #fff;
    line-height: 1.6;
}

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

header {
    background: rgba(15, 15, 35, 0.95);
    backdrop-filter: blur(10px);
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    border-bottom: 1px solid rgba(102, 126, 234, 0.3);
}

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

.logo {
    font-size: 24px;
    font-weight: bold;
    color: #667eea;
    display: flex;
    align-items: center;
    gap: 10px;
}

.logo span {
    color: #764ba2;
}

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

.nav-links li a {
    color: #fff;
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s ease;
    position: relative;
}

.nav-links li a:hover {
    color: #667eea;
}

.nav-links li a::after {
    content: '';
    position: absolute;
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, #667eea, #764ba2);
    bottom: -5px;
    left: 0;
    transition: width 0.3s ease;
}

.nav-links li a:hover::after {
    width: 100%;
}

.hero {
    padding: 150px 0 100px;
    text-align: center;
    background: linear-gradient(180deg, rgba(102, 126, 234, 0.1) 0%, transparent 100%);
}

.hero h1 {
    font-size: 48px;
    margin-bottom: 20px;
    background: linear-gradient(90deg, #667eea, #764ba2, #f093fb);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero p {
    font-size: 18px;
    color: #a0aec0;
    margin-bottom: 40px;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

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

.btn {
    padding: 15px 40px;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
    display: inline-flex;
    align-items: center;
    gap: 10px;
}

.btn-primary {
    background: linear-gradient(135deg, #667eea, #764ba2);
    color: #fff;
    box-shadow: 0 10px 30px rgba(102, 126, 234, 0.4);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 15px 40px rgba(102, 126, 234, 0.6);
}

.btn-secondary {
    background: transparent;
    border: 2px solid rgba(102, 126, 234, 0.5);
    color: #fff;
}

.btn-secondary:hover {
    background: rgba(102, 126, 234, 0.2);
    border-color: #667eea;
}

.stats {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
    padding: 60px 0;
    background: rgba(102, 126, 234, 0.05);
}

.stat-item {
    text-align: center;
    padding: 30px;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 15px;
    border: 1px solid rgba(102, 126, 234, 0.2);
}

.stat-item h3 {
    font-size: 36px;
    font-weight: bold;
    color: #667eea;
    margin-bottom: 10px;
}

.stat-item p {
    color: #a0aec0;
    font-size: 14px;
}

.section {
    padding: 80px 0;
}

.section-title {
    text-align: center;
    font-size: 32px;
    margin-bottom: 60px;
    position: relative;
}

.section-title::after {
    content: '';
    position: absolute;
    width: 60px;
    height: 4px;
    background: linear-gradient(90deg, #667eea, #764ba2);
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    border-radius: 2px;
}

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

.product-card {
    background: rgba(255, 255, 255, 0.05);
    border-radius: 15px;
    padding: 30px;
    border: 1px solid rgba(102, 126, 234, 0.2);
    transition: all 0.3s ease;
}

.product-card:hover {
    transform: translateY(-5px);
    border-color: #667eea;
    box-shadow: 0 20px 40px rgba(102, 126, 234, 0.2);
}

.product-card .icon {
    font-size: 40px;
    margin-bottom: 20px;
}

.product-card h3 {
    font-size: 20px;
    margin-bottom: 15px;
    color: #fff;
}

.product-card p {
    color: #a0aec0;
    font-size: 14px;
    line-height: 1.8;
}

.news-section {
    background: rgba(102, 126, 234, 0.03);
}

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

.news-card {
    background: rgba(255, 255, 255, 0.05);
    border-radius: 15px;
    overflow: hidden;
    border: 1px solid rgba(102, 126, 234, 0.2);
    transition: all 0.3s ease;
}

.news-card:hover {
    transform: translateY(-3px);
    border-color: #667eea;
}

.news-card img {
    width: 100%;
    height: 200px;
    object-fit: cover;
}

.news-content {
    padding: 20px;
}

.news-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 15px;
    color: #a0aec0;
    font-size: 12px;
}

.news-card h3 {
    font-size: 18px;
    margin-bottom: 10px;
    color: #fff;
    line-height: 1.4;
}

.news-card p {
    color: #a0aec0;
    font-size: 14px;
    line-height: 1.6;
}

.about-section {
    padding: 80px 0;
}

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

.about-content img {
    width: 100%;
    border-radius: 15px;
    border: 1px solid rgba(102, 126, 234, 0.3);
}

.about-content h3 {
    font-size: 28px;
    margin-bottom: 20px;
    color: #fff;
}

.about-content p {
    color: #a0aec0;
    margin-bottom: 20px;
    line-height: 1.8;
}

.contact-section {
    background: rgba(102, 126, 234, 0.05);
}

.contact-info {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    margin-bottom: 60px;
}

.contact-item {
    text-align: center;
    padding: 30px;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 15px;
    border: 1px solid rgba(102, 126, 234, 0.2);
}

.contact-item .icon {
    font-size: 36px;
    margin-bottom: 15px;
}

.contact-item h4 {
    font-size: 18px;
    margin-bottom: 10px;
    color: #fff;
}

.contact-item p {
    color: #a0aec0;
    font-size: 14px;
}

.contact-form {
    max-width: 600px;
    margin: 0 auto;
    background: rgba(255, 255, 255, 0.05);
    padding: 40px;
    border-radius: 15px;
    border: 1px solid rgba(102, 126, 234, 0.2);
}

.contact-form input,
.contact-form textarea {
    width: 100%;
    padding: 15px;
    margin-bottom: 20px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(102, 126, 234, 0.3);
    border-radius: 10px;
    color: #fff;
    font-size: 14px;
    transition: border-color 0.3s ease;
}

.contact-form input:focus,
.contact-form textarea:focus {
    outline: none;
    border-color: #667eea;
}

.contact-form textarea {
    height: 150px;
    resize: none;
}

.contact-form button {
    width: 100%;
    padding: 15px;
    background: linear-gradient(135deg, #667eea, #764ba2);
    border: none;
    border-radius: 10px;
    color: #fff;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
}

.contact-form button:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(102, 126, 234, 0.4);
}

footer {
    background: rgba(15, 15, 35, 0.95);
    padding: 60px 0 30px;
    border-top: 1px solid rgba(102, 126, 234, 0.2);
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 40px;
    margin-bottom: 40px;
}

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

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

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

.footer-section ul li a {
    color: #a0aec0;
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-section ul li a:hover {
    color: #667eea;
}

.footer-section p {
    color: #a0aec0;
    font-size: 14px;
    line-height: 1.6;
}

.footer-bottom {
    text-align: center;
    padding-top: 30px;
    border-top: 1px solid rgba(102, 126, 234, 0.2);
    color: #a0aec0;
    font-size: 14px;
}

@media (max-width: 992px) {
    .nav-links {
        gap: 20px;
    }
    
    .hero h1 {
        font-size: 36px;
    }
    
    .stats {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .products {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .news-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .about-content {
        grid-template-columns: 1fr;
    }
    
    .contact-info {
        grid-template-columns: repeat(1, 1fr);
    }
    
    .footer-content {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .hero h1 {
        font-size: 28px;
    }
    
    .stats {
        grid-template-columns: repeat(1, 1fr);
    }
    
    .products {
        grid-template-columns: repeat(1, 1fr);
    }
    
    .news-grid {
        grid-template-columns: repeat(1, 1fr);
    }
    
    .footer-content {
        grid-template-columns: repeat(1, 1fr);
    }
    
    .nav-links {
        display: none;
    }
}