:root { color-scheme: light; }
* { box-sizing: border-box; }
body { margin: 0; background: #f6f8fb; color: #0f172a; font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif; }
.top { display: flex; align-items: center; justify-content: space-between; gap: 12px; max-width: 672px; margin: 0 auto; padding: 18px 16px 0; }
.brand { font-weight: 700; color: #134e4a; text-decoration: none; letter-spacing: -0.01em; }
.tag { font-size: 12px; font-weight: 600; color: #7c2d12; background: #fff7ed; border: 1px solid #fed7aa; border-radius: 999px; padding: 3px 10px; }
main { padding: 20px 16px 24px; }
footer { max-width: 640px; margin: 0 auto; padding: 0 16px 40px; text-align: center; font-size: 12px; color: #64748b; }