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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    line-height: 1.6;
    color: #333;
    background-color: #f5f5f5;
    padding: 20px;
}

.container {
    max-width: 900px;
    margin: 0 auto;
    background-color: white;
    padding: 40px;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

header {
    border-bottom: 2px solid #000;
    padding-bottom: 20px;
    margin-bottom: 30px;
}

h1 {
    font-size: 2.5em;
    font-weight: 700;
    margin-bottom: 10px;
}

.subtitle {
    font-size: 1.1em;
    color: #666;
    line-height: 1.5;
}

.main-content {
    margin-bottom: 40px;
}

.main-content h2 {
    font-size: 1.8em;
    margin-top: 30px;
    margin-bottom: 15px;
    font-weight: 600;
}

.main-content h3 {
    font-size: 1.3em;
    margin-top: 25px;
    margin-bottom: 10px;
    font-weight: 600;
}

.main-content p {
    margin-bottom: 15px;
    line-height: 1.7;
}

.main-content ul {
    margin-left: 30px;
    margin-bottom: 15px;
}

.main-content li {
    margin-bottom: 8px;
    line-height: 1.7;
}

.contact-info {
    border-top: 1px solid #ddd;
    padding-top: 20px;
    margin-top: 30px;
}

.contact-info p {
    margin-bottom: 10px;
    color: #666;
}

.contact-info a {
    color: #000;
    text-decoration: none;
}

.contact-info a:hover {
    text-decoration: underline;
}

footer {
    max-width: 900px;
    margin: 30px auto 0;
    padding: 20px 0;
    text-align: center;
    color: #666;
    font-size: 0.9em;
}

footer nav {
    margin-top: 10px;
}

footer nav a {
    color: #000;
    text-decoration: none;
    margin: 0 15px;
}

footer nav a:hover {
    text-decoration: underline;
}

.last-updated {
    font-style: italic;
    color: #666;
    margin-bottom: 20px;
}

@media (max-width: 768px) {
    body {
        padding: 10px;
    }

    .container {
        padding: 20px;
    }

    h1 {
        font-size: 2em;
    }

    .main-content h2 {
        font-size: 1.5em;
    }
}