html, body {
    height: 100%;
}

body {
    margin: 0;
    font-family: system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
    background-color: #f8f8f8;
    color: #222;
}

.page-wrapper {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

.site-header {
    text-align: center;
    padding: 16px;
    border-bottom: 1px solid #ddd;
    background: #fff;
}

.content {
    flex: 1;
    max-width: min(80vmin, 480px);
    margin: 24px auto;
    padding: 0 16px;
}

section {
    margin: 30px auto;
}

h2 {
    font-size: 1rem;
    margin-bottom: 8px;
}

p {
    font-size: 0.9rem;
    line-height: 1.6;
    margin: 0 0 8px;
}

.site-footer {
    position: static;
    text-align: center;
    padding: 16px;
    border-top: 1px solid #ddd;
    background: #fff;
    font-size: 0.85rem;
}

.site-footer a {
    color: #0066cc;
    text-decoration: none;
    font-size: 0.9rem;
}