:root { color-scheme: dark; font-family: -apple-system, BlinkMacSystemFont, sans-serif; background: #111318; color: #eef4f1; }
body { max-width: 760px; margin: auto; padding: 48px 24px; line-height: 1.7; }
h1, h2 { color: #69ffcf; line-height: 1.3; }
a { color: #69ffcf; } nav { margin-bottom: 32px; } section { margin-top: 40px; }
.note { color: #b9c2be; border-left: 3px solid #69ffcf; padding-left: 18px; }