body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    margin: 0 auto;
    padding: 2rem 1.5rem;
    max-width: 720px;
    line-height: 1.6;
    color: #222;
    background: #fdfdfd;
}

h1, h2, h3 {
    line-height: 1.3;
    margin-top: 1.8rem;
}

p {
    margin: 1rem 0;
}

ul, ol {
    padding-left: 1.5rem;
    margin: 1rem 0;
}

table {
    width: 100%;
    border-collapse: collapse;
    margin: 1.5rem 0;
}

th, td {
    border: 1px solid #ddd;
    padding: 0.75rem;
    text-align: left;
}

code, pre {
    font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
}

pre {
    background: #f5f5f5;
    padding: 1rem;
    overflow-x: auto;
}

a {
    color: #0d6efd;
}

hr {
    border: none;
    border-top: 1px solid #ddd;
    margin: 2rem 0;
}

.post-date {
    color: #555;
    font-size: 0.95rem;
    font-weight: 600;
}