:root {
  color-scheme: dark;
  --bg: #12121c;
  --bg-alt: #1a1a2e;
  --accent: #ff6600;
  --text: #f2f2f2;
  --text-dim: #b3b3c2;
}
* { margin: 0; padding: 0; box-sizing: border-box; }
body {
  background: radial-gradient(circle at top, var(--bg-alt), var(--bg) 60%) fixed;
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Arial, sans-serif;
  line-height: 1.6;
}
a { color: var(--accent); }
.wrap { max-width: 760px; margin: 0 auto; padding: 48px 20px 80px; }
.back { display: inline-block; margin-bottom: 32px; text-decoration: none; }
h1 { font-size: clamp(1.8rem, 5vw, 2.4rem); margin-bottom: 8px; }
.updated { color: var(--text-dim); font-size: 0.9rem; margin-bottom: 32px; }
h2 {
  font-size: 1.15rem;
  margin: 32px 0 10px;
  border-left: 4px solid var(--accent);
  padding-left: 12px;
}
p, ul { margin-bottom: 14px; color: var(--text); }
ul { padding-left: 24px; }
li { margin-bottom: 6px; }
footer { margin-top: 64px; text-align: center; color: var(--text-dim); font-size: 0.9rem; }
footer a { color: var(--text-dim); text-decoration: underline; }
footer a:hover { color: var(--accent); }