:root {
  color-scheme: light dark;
  --bg: #0b1020;
  --card: rgba(255,255,255,.08);
  --text: #e9eefc;
  --muted: #b9c5e4;
  --border: rgba(255,255,255,.14);
}
* { box-sizing: border-box; }
body {
  margin: 0;
  font: 16px/1.5 system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at top left, rgba(69, 120, 255, .35), transparent 35%),
    radial-gradient(circle at bottom right, rgba(0, 200, 170, .25), transparent 30%),
    var(--bg);
  min-height: 100vh;
}
.wrap {
  max-width: 960px;
  margin: 0 auto;
  padding: 48px 20px;
  display: grid;
  gap: 20px;
}
.card {
  border: 1px solid var(--border);
  background: var(--card);
  backdrop-filter: blur(10px);
  border-radius: 20px;
  padding: 24px;
  box-shadow: 0 12px 30px rgba(0,0,0,.25);
}
h1, h2 { margin: 0 0 12px; }
p, li { color: var(--muted); }
ul { margin: 0; padding-left: 20px; }