:root { --bg: #ffffff; --fg: #1d1d22; --muted: #5d5d68; --link: #1f5fd1; --line: #e3e3e8; color-scheme: light; }
@media (prefers-color-scheme: dark) {
  :root { --bg: #16161a; --fg: #ececf1; --muted: #a6a6b3; --link: #7fa8ff; --line: #2c2c34; color-scheme: dark; }
}
body { margin: 0; background: var(--bg); color: var(--fg); font: 16px/1.6 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif; }
main { max-width: 760px; margin: 0 auto; padding: 32px 16px 64px; }
h1 { font-size: 1.8rem; line-height: 1.25; margin: 0 0 16px; }
h2 { font-size: 1.2rem; margin: 32px 0 8px; padding-top: 16px; border-top: 1px solid var(--line); }
h3 { font-size: 1.02rem; margin: 20px 0 6px; }
a { color: var(--link); }
.muted { color: var(--muted); }
.mail { font-weight: 600; user-select: all; }
ul { padding-left: 1.2em; }
li { margin: 4px 0; }