*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
:root {
  --bg-deep: #0c0f1a;
  --text-primary: #e8eaf0;
  --text-secondary: #8b90a5;
  --accent: #22d3a7;
  --border: rgba(255,255,255,0.06);
}
body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  background: var(--bg-deep);
  color: var(--text-primary);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}
.container { max-width: 720px; margin: 0 auto; padding: 64px 24px 96px; }
a { color: var(--accent); }
h1 { font-size: 2rem; letter-spacing: -0.02em; margin-bottom: 8px; }
h2 { font-size: 1.15rem; margin: 36px 0 12px; }
p, li { color: var(--text-secondary); }
ul { padding-left: 20px; margin: 12px 0; }
li { margin-bottom: 6px; }
.updated { color: var(--text-secondary); opacity: 0.6; font-size: 0.85rem; margin-bottom: 40px; }
.back { display: inline-block; margin-top: 48px; padding-top: 24px; border-top: 1px solid var(--border); font-size: 0.9rem; }