:root {
  color-scheme: light;
}

body {
  margin: 0;
  padding: 0;
  font-family: "Segoe UI", "Helvetica Neue", Arial, sans-serif;
  color: #1f2933;
  background: #f5f7fa;
  line-height: 1.6;
}

main {
  max-width: 900px;
  margin: 40px auto;
  padding: 32px;
  background: #ffffff;
  border-radius: 12px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
}

header {
  margin-bottom: 24px;
}

h1 {
  margin: 0 0 8px;
  font-size: 28px;
}

h2 {
  margin: 24px 0 8px;
  font-size: 18px;
  color: #334e68;
}

p {
  margin: 0 0 12px;
}

strong {
  font-weight: 600;
}

ul {
  margin: 0 0 12px 20px;
}

section + section {
  margin-top: 32px;
  padding-top: 24px;
  border-top: 1px solid #e2e8f0;
}

footer {
  margin-top: 32px;
  font-size: 12px;
  color: #7b8794;
}

a {
  color: #2563eb;
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}