body {
  font-family: Georgia, serif;
  font-size: 1rem;
  line-height: 1.7;
  color: #222;
  background: #fff;
  max-width: 680px;
  margin: 0 auto;
  padding: 2rem 1.5rem;
}

header {
  border-bottom: 2px solid #222;
  padding-bottom: 1rem;
  margin-bottom: 2.5rem;
}

header h1 {
  font-size: 1.4rem;
  margin-bottom: 0.2rem;
}

header p {
  font-size: 0.85rem;
  color: #666;
}

section {
  margin-bottom: 2.5rem;
}

h2 {
  font-size: 1rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  border-bottom: 1px solid #ddd;
  padding-bottom: 0.4rem;
  margin-bottom: 1rem;
}

.level {
  font-size: 2rem;
  font-weight: bold;
  margin-bottom: 0.5rem;
}

ol {
  padding-left: 1.2rem;
}

ol li {
  margin-bottom: 1rem;
}

ol li strong {
  display: block;
}

ol li p {
  margin: 0;
  color: #444;
  font-size: 0.9rem;
}

ul.links {
  list-style: none;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.75rem;
}

ul.links a {
  display: block;
  padding: 0.85rem 1rem;
  border: 1px solid #ddd;
  text-decoration: none;
  color: #222;
  font-size: 0.9rem;
}

ul.links a:hover {
  background: #f5f5f5;
}

ul.links span {
  display: block;
  font-size: 0.7rem;
  color: #888;
  margin-bottom: 0.2rem;
  grid-template-columns: 1fr 1fr 1fr;
}

footer {
  border-top: 1px solid #ddd;
  margin-top: 3rem;
  padding-top: 1rem;
  font-size: 0.78rem;
  color: #999;
}