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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Microsoft YaHei', sans-serif;
    line-height: 1.6;
    color: #333;
    background-color: #f5f7fa;
}

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

header {
    background: linear-gradient(135deg, #1e3c72 0%, #2a5298 100%);
    color: white;
    padding: 15px 0;
    position: sticky;
    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;
}

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

.logo span {
    color: #ffd700;
}

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

nav a {
    color: white;
    text-decoration: none;
    font-size: 16px;
    transition: color 0.3s;
    padding: 8px 12px;
    border-radius: 4px;
}

nav a:hover {
    background-color: rgba(255,255,255,0.2);
}

.hero-section {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 80px 0;
    text-align: center;
}

.hero-section h1 {
    font-size: 48px;
    margin-bottom: 20px;
    text-shadow: 2px 2px 4px rgba(0,0,0,0.3);
}

.hero-section p {
    font-size: 20px;
    max-width: 800px;
    margin: 0 auto 30px;
    opacity: 0.95;
}

.cta-button {
    display: inline-block;
    background-color: #ffd700;
    color: #333;
    padding: 15px 40px;
    text-decoration: none;
    border-radius: 50px;
    font-weight: bold;
    font-size: 18px;
    transition: transform 0.3s, box-shadow 0.3s;
}

.cta-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(255,215,0,0.4);
}

section {
    padding: 60px 0;
}

.section-title {
    text-align: center;
    font-size: 36px;
    margin-bottom: 40px;
    color: #1e3c72;
    position: relative;
}

.section-title::after {
    content: '';
    display: block;
    width: 80px;
    height: 4px;
    background: linear-gradient(90deg, #667eea, #764ba2);
    margin: 15px auto 0;
    border-radius: 2px;
}

.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.product-card {
    background: white;
    padding: 30px;
    border-radius: 12px;
    box-shadow: 0 4px 15px rgba(0,0,0,0.08);
    transition: transform 0.3s, box-shadow 0.3s;
}

.product-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(0,0,0,0.15);
}

.product-card h3 {
    font-size: 24px;
    margin-bottom: 15px;
    color: #1e3c72;
}

.product-card .emoji {
    font-size: 48px;
    display: block;
    margin-bottom: 15px;
}

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

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

.news-item {
    background: white;
    padding: 25px 30px;
    margin-bottom: 20px;
    border-left: 4px solid #667eea;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.05);
    transition: all 0.3s;
}

.news-item:hover {
    border-left-color: #764ba2;
    box-shadow: 0 4px 15px rgba(0,0,0,0.1);
}

.news-item h3 {
    font-size: 20px;
    color: #1e3c72;
    margin-bottom: 10px;
}

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

.news-item p {
    color: #555;
    line-height: 1.7;
}

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

.contact-card {
    background: white;
    padding: 35px;
    border-radius: 12px;
    box-shadow: 0 4px 15px rgba(0,0,0,0.08);
    text-align: center;
}

.contact-card .emoji {
    font-size: 56px;
    display: block;
    margin-bottom: 20px;
}

.contact-card h3 {
    font-size: 24px;
    margin-bottom: 15px;
    color: #1e3c72;
}

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

.about-content {
    background: white;
    padding: 50px;
    border-radius: 12px;
    box-shadow: 0 4px 15px rgba(0,0,0,0.08);
    margin-top: 40px;
}

.about-content h3 {
    font-size: 28px;
    color: #1e3c72;
    margin-bottom: 20px;
}

.about-content p {
    color: #555;
    line-height: 2;
    margin-bottom: 20px;
    font-size: 16px;
}

.features-list {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 25px;
    margin-top: 30px;
}

.feature-item {
    display: flex;
    align-items: start;
    gap: 15px;
    padding: 20px;
    background: #f8f9fa;
    border-radius: 8px;
}

.feature-item .emoji {
    font-size: 32px;
    flex-shrink: 0;
}

.feature-item div h4 {
    color: #1e3c72;
    margin-bottom: 8px;
    font-size: 18px;
}

.feature-item div p {
    color: #666;
    font-size: 14px;
    line-height: 1.6;
}

footer {
    background: #1e3c72;
    color: white;
    padding: 40px 0 20px;
    margin-top: 60px;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
    margin-bottom: 30px;
}

.footer-section h4 {
    font-size: 20px;
    margin-bottom: 20px;
    color: #ffd700;
}

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

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

.footer-section a {
    color: rgba(255,255,255,0.8);
    text-decoration: none;
    transition: color 0.3s;
}

.footer-section a:hover {
    color: #ffd700;
}

.footer-bottom {
    text-align: center;
    padding-top: 20px;
    border-top: 1px solid rgba(255,255,255,0.1);
    color: rgba(255,255,255,0.6);
}

.stats-section {
    background: white;
    padding: 50px;
    border-radius: 12px;
    box-shadow: 0 4px 15px rgba(0,0,0,0.08);
    margin-top: 40px;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 30px;
    text-align: center;
}

.stat-item .number {
    font-size: 42px;
    font-weight: bold;
    color: #667eea;
    display: block;
    margin-bottom: 10px;
}

.stat-item .label {
    color: #666;
    font-size: 16px;
}

@media (max-width: 768px) {
    .header-content {
        flex-direction: column;
        gap: 15px;
    }
    
    nav ul {
        flex-wrap: wrap;
        justify-content: center;
        gap: 10px;
    }
    
    .hero-section h1 {
        font-size: 32px;
    }
    
    .section-title {
        font-size: 28px;
    }
    
    .about-content {
        padding: 30px 20px;
    }
}