:root {
  --ink: #1f1f1f;
  --muted: #444746;
  --line: #c4c7c5;
  --blue: #0b57d0;
  --page: #f8fafd;
  --font-ui: "Google Sans", "Google Sans Text", Arial, Helvetica, sans-serif;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--page);
  color: var(--ink);
  font: 16px/1.5 var(--font-ui);
}

a { color: var(--blue); }

.top {
  display: flex;
  align-items: center;
  gap: 8px;
  height: 64px;
  padding: 0 24px;
  background: #fff;
  border-bottom: 1px solid var(--line);
}

.brand {
  display: flex;
  align-items: center;
  gap: 4px;
  color: var(--muted);
  font-size: 22px;
  text-decoration: none;
}

.brand svg { width: 36px; height: 36px; display: block; }

main {
  width: min(720px, calc(100% - 32px));
  margin: 32px auto 48px;
  padding: 32px 28px 40px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 8px;
}

h1 { margin: 0 0 8px; font-size: 32px; font-weight: 500; }

.updated { margin: 0 0 24px; color: var(--muted); }

h2 { margin: 28px 0 8px; font-size: 20px; font-weight: 500; }

p, li { margin: 0 0 12px; }

ul { padding-left: 20px; }

.foot {
  display: flex;
  justify-content: center;
  gap: 16px;
  margin: 0 0 32px;
  font-size: 14px;
}