body {
  font-family: Arial, sans-serif;
  max-width: 860px;
  margin: 40px auto;
  padding: 0 20px;
  line-height: 1.7;
  color: #1a1a1a;
  background: #ffffff;
}

h1, h2 {
  line-height: 1.2;
  color: #111111;
}

h1 {
  font-size: 2.2rem;
  margin-bottom: 16px;
}

h2 {
  font-size: 1.4rem;
  margin-top: 36px;
  margin-bottom: 10px;
}

p {
  margin: 14px 0;
}

a {
  color: #0a58ca;
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

.nav {
  margin-bottom: 32px;
  padding-bottom: 16px;
  border-bottom: 1px solid #e5e5e5;
}

.nav a {
  margin-right: 16px;
  font-weight: bold;
}

.card-list {
  padding-left: 20px;
}

.card-list li {
  margin-bottom: 10px;
}

.meta {
  color: #666;
  font-size: 0.95rem;
}

.note {
  background: #f6f8fa;
  border-left: 4px solid #d0d7de;
  padding: 14px 16px;
  margin: 20px 0;
}