body { margin: 0; font: 16px/1.55 system-ui, -apple-system, "Segoe UI", sans-serif; color: #12264a; background: #f6f8fb; }
main { max-width: 42rem; margin: 3rem auto; padding: 0 1.25rem; }
header { display: flex; align-items: center; gap: 1rem; border-bottom: 4px solid #00a896; padding-bottom: 1rem; }
header img { border-radius: 8px; }
h1 { margin: 0; font-size: 1.8rem; }
h2 { margin-top: 2rem; font-size: 1.15rem; }
a { color: #00796b; }
.meta, nav { color: #5a6b85; font-size: 0.92rem; }
nav { margin-top: 2rem; }