body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    line-height: 1.6;
    background-color: #f9f9f9;
    color: #333;
    margin: 0;
    padding: 0;
}

.container {
    max-width: 80%;
    margin: 40px auto;
    padding: 20px;
    background-color: #fff;
    border-radius: 8px;
    box-shadow: 0 4px 8px rgba(0,0,0,0.05);
}

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

header h1 {
    font-size: 2.5em;
    margin: 0;
    color: #000;
}

header p {
    margin: 5px 0 0;
    color: #666;
}

.sticky-nav {
    position: -webkit-sticky;
    position: sticky;
    top: 20px;
    background-color: #f1f1f1;
    padding: 15px 20px;
    border-radius: 8px;
    margin-bottom: 30px;
}

.sticky-nav h2 {
    font-size: 1.2em;
    margin: 0 0 10px;
    color: #333;
}

.sticky-nav ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.sticky-nav ul li {
    margin-bottom: 8px;
}

.sticky-nav ul li:last-child {
    margin-bottom: 0;
}

.sticky-nav a {
    text-decoration: none;
    color: #007bff;
    font-weight: 500;
}

.sticky-nav a:hover {
    text-decoration: underline;
}

main section {
    margin-bottom: 40px;
}

main h2 {
    font-size: 1.8em;
    border-bottom: 1px solid #eee;
    padding-bottom: 10px;
    margin-top: 0;
    margin-bottom: 20px;
    color: #000;
}

main p, main ul {
    margin-bottom: 20px;
}

main ul {
    padding-left: 20px;
}

main ul li {
    margin-bottom: 10px;
}
.warning-message {
    
}