:root { color-scheme: dark; }
* { box-sizing: border-box; }
html, body { margin: 0; background: #0b0e14; color: #c9d0d9;
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  font-size: 16px; line-height: 1.65; }
main { max-width: 46rem; margin: 0 auto; padding: 40px 22px 80px; }
a { color: #22c3b6; }
.brand { display: flex; align-items: center; gap: 10px; margin-bottom: 30px; }
.mark { width: 34px; height: 34px; border-radius: 9px; background: #22c3b6; color: #06241f;
  display: grid; place-items: center; font-weight: 800; font-size: 19px; }
.brand span { color: #22c3b6; font-weight: 700; font-size: 20px; }
h1 { color: #f4f6f8; font-size: 30px; line-height: 1.25; margin: 0 0 6px; }
h2 { color: #f4f6f8; font-size: 19px; margin: 34px 0 10px; }
.updated { color: #6a7484; font-size: 14px; margin: 0 0 30px; }
p, li { margin: 0 0 12px; }
ul { padding-left: 20px; }
table { width: 100%; border-collapse: collapse; margin: 12px 0 18px; font-size: 15px; }
th, td { text-align: left; padding: 9px 10px; border-bottom: 1px solid #262d38; vertical-align: top; }
th { color: #f4f6f8; }
.back { display: inline-block; margin-top: 40px; }