body {
    margin: 0;
    color: #17202a;
    background: #f7f8fa;
    font-family: Segoe UI, Arial, sans-serif;
    line-height: 1.5;
}

header {
    background: #1f2937;
    color: white;
    padding: 28px 36px;
}

header h1 {
    margin: 0 0 8px 0;
    font-size: 30px;
}

header p {
    margin: 0;
    max-width: 860px;
    color: #dbe3ee;
}

main {
    max-width: 1120px;
    margin: 0 auto;
    padding: 28px 28px 48px 28px;
}

a {
    color: #075985;
    text-decoration: none;
}

a:hover {
    text-decoration: underline;
}

.toc,
.cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 16px;
}

.card {
    padding: 18px;
    background: white;
    border: 1px solid #d8dee8;
    border-radius: 6px;
    box-shadow: 0 1px 2px rgba(15, 23, 42, 0.06);
}

.command,
.path {
    display: block;
    margin: 12px 0 0 0;
    padding: 10px 12px;
    overflow-x: auto;
    color: #dbeafe;
    background: #111827;
    border-radius: 4px;
    font-family: Consolas, monospace;
    font-size: 13px;
}

.path {
    color: #17202a;
    background: #eef2f7;
}

.source-list {
    display: grid;
    gap: 12px;
}

.source-list a {
    display: block;
    padding: 12px 14px;
    background: white;
    border: 1px solid #d8dee8;
    border-radius: 6px;
}

pre {
    margin: 12px 0 0 0;
    padding: 14px;
    overflow-x: auto;
    color: #e5e7eb;
    background: #111827;
    border-radius: 6px;
    font-family: Consolas, monospace;
    font-size: 13px;
}

li {
    margin: 6px 0;
}