:root { color-scheme: dark; font-family: Inter, ui-sans-serif, system-ui, sans-serif; background: #070b0e; color: #edf5f7; }
* { box-sizing: border-box; }
body { margin: 0; background: #070b0e; color: #edf5f7; line-height: 1.6; }
header, footer { padding: 18px max(20px, calc((100vw - 900px) / 2)); border-bottom: 1px solid #29343a; background: #10161a; }
footer { border-top: 1px solid #29343a; border-bottom: 0; }
main { width: min(900px, calc(100% - 40px)); margin: 0 auto; padding: 48px 0 64px; }
h1 { margin: 0; font-size: clamp(2rem, 6vw, 3.5rem); line-height: 1.1; }
h2 { margin-top: 38px; font-size: 1.25rem; }
p { max-width: 78ch; }
a { color: #6ce7c2; }
.effective { color: #9fb2bf; }
table { width: 100%; border-collapse: collapse; margin-top: 18px; }
th, td { padding: 12px; border: 1px solid #34434a; text-align: left; vertical-align: top; }
th { background: #151e22; }
code { color: #8debd0; }
@media (max-width: 680px) {
  table, thead, tbody, tr, th, td { display: block; }
  thead { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); }
  tr { margin-bottom: 14px; border: 1px solid #34434a; }
  td { border: 0; border-bottom: 1px solid #27343a; }
  td:last-child { border-bottom: 0; }
}