:root{color-scheme:light;font-family:-apple-system,BlinkMacSystemFont,'Hiragino Sans',sans-serif;color:#193653;background:#f6f8fa}body{max-width:780px;margin:auto;padding:32px 20px;font-size:19px;line-height:1.85}h1{font-size:32px;line-height:1.4}h2{font-size:24px;margin-top:40px}a{color:#164c85;text-underline-offset:4px}nav{display:flex;gap:24px;flex-wrap:wrap;border-bottom:1px solid #ced8e2;padding-bottom:16px}footer{margin-top:48px;border-top:1px solid #ced8e2;padding-top:16px;font-size:15px}.note{padding:20px;background:#e9f0f6;border-radius:8px}li{margin:12px 0}