:root { --fundo: #f6f6f4; --texto: #16181b; --suave: #5d636b; --link: #c4302b; --linha: #e2e2de; }
@media (prefers-color-scheme: dark) {
  :root { --fundo: #111315; --texto: #ececea; --suave: #9aa0a6; --link: #ff6b62; --linha: #2a2d31; }
}
* { box-sizing: border-box; }
body { margin: 0; background: var(--fundo); color: var(--texto);
  font: 17px/1.6 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif; }
main { max-width: 680px; margin: 0 auto; padding: 56px 16px 80px; }
h1 { font-size: 34px; line-height: 1.15; margin: 0 0 6px; letter-spacing: -0.01em; }
h2 { font-size: 19px; margin: 34px 0 6px; padding-top: 18px; border-top: 1px solid var(--linha); }
.sub { color: var(--suave); margin: 0 0 24px; }
.voltar { margin: 0 0 18px; font-weight: 600; }
.links { margin-top: 32px; }
a { color: var(--link); }
ul { padding-left: 20px; }
li { margin: 6px 0; }