:root { color-scheme: light; --text: #1f1f1f; --muted: #5f6368; --line: #e3e6ea; --bg: #fff; --link: #0b57d0; }
* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); color: var(--text); font: 17px/1.6 system-ui, -apple-system, "Segoe UI", Roboto, Arial, sans-serif; }
main { max-width: 42rem; margin: 0 auto; padding: 48px 20px 80px; }
h1 { font-size: 2rem; line-height: 1.2; margin: 0 0 12px; }
h2 { font-size: 1.25rem; line-height: 1.3; margin: 2rem 0 0.4rem; }
p, li { margin: 0.6rem 0; }
ul { padding-left: 1.2rem; }
a { color: var(--link); }
.meta { color: var(--muted); font-size: 0.95rem; }