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

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

header {
    padding: 1rem 0;
    border-bottom: 1px solid #eee;
    margin-bottom: 2rem;
}

nav ul {
    list-style: none;
    display: flex;
    gap: 2rem;
}

nav a {
    text-decoration: none;
    color: #333;
    font-weight: bold;
}

nav a:hover {
    color: #666;
}

.hero {
    text-align: center;
    padding: 3rem 0;
    margin-bottom: 2rem;
}

.hero h1 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.hero p {
    font-size: 1.2rem;
    color: #666;
}

main {
    margin-bottom: 3rem;
}

.breadcrumbs {
    margin-bottom: 1rem;
    font-size: 0.9rem;
    color: #666;
}

.breadcrumbs a {
    color: #333;
    text-decoration: none;
}

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

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

.seo-content h2 {
    margin: 2rem 0 1rem 0;
    color: #444;
}

.seo-content p {
    margin-bottom: 1rem;
}

.seo-content ul, .seo-content ol {
    margin: 1rem 0;
    padding-left: 2rem;
}

.seo-content table {
    width: 100%;
    border-collapse: collapse;
    margin: 1rem 0;
}

.seo-content th, .seo-content td {
    border: 1px solid #ddd;
    padding: 0.5rem;
    text-align: left;
}

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

.faq-item {
    margin-bottom: 2rem;
}

.faq-item h3 {
    margin-bottom: 0.5rem;
    color: #444;
}

footer {
    border-top: 1px solid #eee;
    padding: 2rem 0;
    text-align: center;
    color: #666;
    margin-top: 3rem;
}

.error-404 {
    text-align: center;
    padding: 4rem 0;
}

.error-404 h1 {
    font-size: 4rem;
    margin-bottom: 1rem;
    color: #333;
}

.error-404 p {
    font-size: 1.2rem;
    margin-bottom: 2rem;
    color: #666;
}

.error-404 a {
    color: #333;
    text-decoration: underline;
}

img {
    max-width: 100%;
    height: auto;
    margin: 1rem 0;
}