body {
  background: #1a1a2e;
  color: #e0e0e0;
  font-family: system-ui, -apple-system, sans-serif;
  max-width: 800px;
  margin: 0 auto;
  padding: 2rem;
  line-height: 1.7;
}
h1, h2, h3 { color: #4a9fe5; }
a { color: #6db3f2; }
hr { border-color: #333; }
code { background: #2a2a3e; padding: 0.2em 0.4em; border-radius: 3px; }
img { max-width: 100%; border-radius: 8px; }
strong { color: #f0f0f0; }
li { margin-bottom: 0.3em; }