body {
    font-family: 'Segoe UI', Arial, sans-serif;
    background: #181c24;
    color: #e0e6ef;
    margin: 0;
    padding: 0;
}
header {
    background: #222a36;
    padding: 2rem 1rem 1rem 1rem;
    text-align: center;
}
header h1 {
    margin: 0;
    font-size: 2.5rem;
    color: #00b3ff;
}
header p {
    margin: 0.5rem 0 0 0;
    font-size: 1.2rem;
    color: #ffd700;
}
main {
    max-width: 700px;
    margin: 2rem auto;
    background: #232b39;
    border-radius: 8px;
    box-shadow: 0 2px 8px #000a;
    padding: 2rem;
}
section {
    margin-bottom: 2rem;
}
h2 {
    color: #00b3ff;
    margin-top: 0;
}
pre {
    background: #181c24;
    color: #ffd700;
    padding: 0.5rem;
    border-radius: 4px;
    overflow-x: auto;
}
footer {
    text-align: center;
    color: #888;
    padding: 1rem 0;
    font-size: 0.9rem;
}
a {
    color: #ffd700;
}
img {
    border-radius: 4px;
    margin-top: 0.5rem;
}