body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    line-height: 1.6;
    background-color: #f4f4f9;
    color: #333;
    margin: 0;
    padding: 20px;
}

.container {
    max-width: 800px;
    margin: 0 auto;
    background-color: #fff;
    padding: 30px;
    border-radius: 8px;
    box-shadow: 0 4px 8px rgba(0,0,0,0.1);
}

header {
    border-bottom: 2px solid #e0e0e0;
    padding-bottom: 20px;
    margin-bottom: 20px;
}

h1 {
    color: #1a1a1a;
    font-size: 2em;
}

h2 {
    color: #333;
    font-size: 1.5em;
    margin-top: 30px;
    border-bottom: 1px solid #eee;
    padding-bottom: 5px;
}

p, ul {
    margin-bottom: 15px;
}

ul {
    padding-left: 20px;
}

li {
    margin-bottom: 8px;
}

a {
    color: #007bff;
    text-decoration: none;
}

a:hover {
    text-decoration: underline;
}

.back-link {
    display: inline-block;
    margin-top: 20px;
    font-weight: bold;
}

footer {
    text-align: center;
    margin-top: 40px;
    padding-top: 20px;
    border-top: 1px solid #e0e0e0;
    font-size: 0.9em;
    color: #777;
}