:root { font-family: Inter, system-ui, sans-serif; color: #17201b; background: #f3f5f2; }
* { box-sizing: border-box; }
body { margin: 0; }
header { position: sticky; z-index: 2; top: 0; padding: 14px 18px; background: white; border-bottom: 1px solid #dfe4e0; text-align: center; }
header span { color: #176b43; font-size: .72rem; font-weight: 900; }
header h1 { margin: 2px 0; font-size: 1.25rem; }
header p { margin: 0; font-size: .92rem; }
main { width: min(100%, 760px); margin: 0 auto; padding: 12px; }
img { display: block; width: 100%; height: auto; border: 1px solid #dfe4e0; }
a { display: block; margin: 14px 0; padding: 13px 16px; border-radius: 6px; background: #176b43; color: white; text-align: center; text-decoration: none; font-weight: 800; }