* { margin: 0; padding: 0; box-sizing: border-box; }
body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
    background: #fff;
    color: #333;
    line-height: 1.7;
}
.header {
    background: #1a1a1a;
    padding: 16px 20px;
    text-align: center;
    border-bottom: 3px solid #cc0000;
}
.header a {
    font-family: 'Bebas Neue', sans-serif;
    font-size: 28px;
    color: #fff;
    letter-spacing: 3px;
    text-decoration: none;
}
.header a:hover { color: #ccc; }
.content {
    max-width: 720px;
    margin: 0 auto;
    padding: 32px 24px 48px;
}
.content h1 {
    font-size: 24px;
    font-weight: 700;
    margin-bottom: 4px;
}
.content .updated {
    font-size: 13px;
    color: #999;
    margin-bottom: 24px;
}
.content h2 {
    font-size: 18px;
    font-weight: 600;
    margin-top: 28px;
    margin-bottom: 8px;
    color: #1a1a1a;
}
.content h3 {
    font-size: 15px;
    font-weight: 600;
    margin-top: 20px;
    margin-bottom: 6px;
}
.content p {
    font-size: 14px;
    margin-bottom: 12px;
    text-align: justify;
}
.content ul, .content ol {
    font-size: 14px;
    margin: 8px 0 12px 24px;
}
.content li {
    margin-bottom: 4px;
}
.content a {
    color: #c00;
    text-decoration: none;
}
.content a:hover {
    text-decoration: underline;
}
.footer {
    text-align: center;
    padding: 20px;
    font-size: 12px;
    color: #999;
    border-top: 1px solid #eee;
    max-width: 720px;
    margin: 0 auto;
}
.footer a { color: #666; text-decoration: none; }
.footer a:hover { text-decoration: underline; }
@media (max-width: 600px) {
    .content { padding: 20px 16px 32px; }
    .content h1 { font-size: 20px; }
}