body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: #0d1117;
    color: #c9d1d9;
    margin: 0;
    padding: 20px;
}
.container {
    max-width: 900px;
    margin: auto;
    background-color: #161b22;
    padding: 30px;
    border-radius: 10px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.5);
}
h1, h2 {
    color: #58a6ff;
}
ul {
    line-height: 1.6;
}
.note {
    background-color: #30363d;
    padding: 15px;
    border-left: 4px solid #f78166;
    color: #ff9e80;
    font-style: italic;
    margin: 20px 0;
    border-radius: 5px;
}
footer {
    margin-top: 40px;
    text-align: center;
    font-size: 0.9em;
    color: #8b949e;
}