:root {
  --bg: #060c1a;
  --surface: #0d1b2e;
  --border: rgba(255, 255, 255, 0.12);
  --text: #f0f4ff;
  --muted: #8ca9c8;
  --primary: #4a9ef1;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 16px/1.65 -apple-system, BlinkMacSystemFont, "Segoe UI", Inter, sans-serif;
  -webkit-font-smoothing: antialiased;
}

.wrap { max-width: 720px; margin: 0 auto; padding: 48px 24px 96px; }

header { display: flex; align-items: center; gap: 12px; margin-bottom: 40px; }
header .mark {
  width: 40px; height: 40px; border-radius: 11px;
  background: linear-gradient(140deg, #4a9ef1, #2a6abf);
  display: grid; place-items: center; font-size: 20px;
}
header a { color: var(--text); text-decoration: none; font-weight: 700; font-size: 18px; }

h1 { font-size: 30px; line-height: 1.2; margin: 0 0 8px; letter-spacing: -0.02em; }
h2 { font-size: 19px; margin: 36px 0 10px; letter-spacing: -0.01em; }
h3 { font-size: 16px; margin: 22px 0 6px; color: var(--text); }
p, li { color: var(--muted); }
li { margin-bottom: 6px; }
strong { color: var(--text); font-weight: 600; }
a { color: var(--primary); }

.updated { color: #4a6080; font-size: 14px; margin-bottom: 32px; }

table { width: 100%; border-collapse: collapse; margin: 16px 0; font-size: 14px; }
th, td { text-align: left; padding: 9px 10px; border-bottom: 1px solid var(--border); vertical-align: top; }
th { color: var(--text); font-weight: 600; }
td { color: var(--muted); }

.card {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: 14px; padding: 18px 20px; margin: 20px 0;
}
.card p:last-child { margin-bottom: 0; }
.card p:first-child { margin-top: 0; }

footer { margin-top: 56px; padding-top: 24px; border-top: 1px solid var(--border); font-size: 14px; color: #4a6080; }
footer a { margin-right: 16px; }

.cta {
  display: inline-block; background: var(--primary); color: #fff;
  padding: 12px 22px; border-radius: 12px; text-decoration: none; font-weight: 600;
}