body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  margin: 0;
  padding: 0;
  background-color: #f7f7f7;
  color: #222;
}

.container {
  max-width: 800px;
  margin: 0 auto;
  padding: 24px 16px 40px;
  background-color: #ffffff;
  box-sizing: border-box;
}

h1,
h2,
h3 {
  font-weight: 600;
  color: #111;
  margin-top: 1.2em;
  margin-bottom: 0.4em;
}

h1 {
  font-size: 1.8rem;
  margin-top: 0;
}

h2 {
  font-size: 1.2rem;
}

p {
  line-height: 1.6;
  margin: 0.3em 0 0.9em;
}

ul {
  margin: 0.3em 0 0.9em 1.4em;
  padding: 0;
}

li {
  margin-bottom: 0.3em;
}

.meta {
  font-size: 0.9rem;
  color: #555;
  margin-bottom: 1em;
}

hr {
  border: none;
  border-top: 1px solid #e0e0e0;
  margin: 1.5em 0;
}