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

body {
    font-family: 'Helvetica Neue', Arial, sans-serif;
    line-height: 1.6;
    color: #333;
    background-color: #fff;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

header {
    border-bottom: 1px solid #eee;
    padding: 20px 0;
    margin-bottom: 30px;
}

header h1 {
    font-size: 1.8rem;
    margin-bottom: 10px;
}

header h1 a {
    color: #333;
    text-decoration: none;
}

nav ul {
    display: flex;
    list-style: none;
    gap: 20px;
}

nav a {
    color: #666;
    text-decoration: none;
    font-weight: 500;
}

nav a:hover {
    color: #333;
}

.hero {
    text-align: center;
    padding: 60px 20px;
    margin-bottom: 40px;
    background-color: #f9f9f9;
    border-radius: 8px;
}

.hero h2 {
    font-size: 2.2rem;
    margin-bottom: 15px;
}

.hero p {
    font-size: 1.2rem;
    color: #666;
    max-width: 600px;
    margin: 0 auto;
}

main {
    margin-bottom: 60px;
}

.seo-content {
    max-width: 800px;
    margin: 0 auto;
}

.seo-content h2 {
    font-size: 1.8rem;
    margin: 30px 0 15px;
}

.seo-content h3 {
    font-size: 1.4rem;
    margin: 25px 0 10px;
}

.seo-content p {
    margin-bottom: 15px;
}

.seo-content ul, .seo-content ol {
    margin: 15px 0 15px 20px;
}

.seo-content li {
    margin-bottom: 8px;
}

.seo-content table {
    width: 100%;
    border-collapse: collapse;
    margin: 20px 0;
}

.seo-content th, .seo-content td {
    border: 1px solid #ddd;
    padding: 10px;
    text-align: left;
}

.seo-content th {
    background-color: #f5f5f5;
}

.seo-content a {
    color: #555;
    text-decoration: underline;
}

.seo-content a:hover {
    color: #333;
}

.faq-item {
    margin-bottom: 30px;
    padding-bottom: 20px;
    border-bottom: 1px solid #eee;
}

.faq-item h3 {
    font-size: 1.3rem;
    margin-bottom: 10px;
}

.breadcrumbs {
    margin-bottom: 20px;
    font-size: 0.9rem;
    color: #666;
}

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

.breadcrumbs a:hover {
    text-decoration: underline;
}

footer {
    border-top: 1px solid #eee;
    padding: 30px 0;
    text-align: center;
    color: #666;
    font-size: 0.9rem;
}

.error-page {
    text-align: center;
    padding: 60px 20px;
}

.error-page h2 {
    font-size: 2.5rem;
    margin-bottom: 20px;
}

.error-page p {
    font-size: 1.2rem;
    margin-bottom: 30px;
}

.error-page a {
    display: inline-block;
    padding: 10px 20px;
    background-color: #333;
    color: white;
    text-decoration: none;
    border-radius: 4px;
}

@media (max-width: 768px) {
    body {
        padding: 0 15px;
    }
    
    nav ul {
        flex-direction: column;
        gap: 10px;
    }
    
    .hero {
        padding: 40px 15px;
    }
    
    .hero h2 {
        font-size: 1.8rem;
    }
    
    .seo-content table {
        display: block;
        overflow-x: auto;
    }
}