:root {
  --bg: #f8fafc;
  --card: #ffffff;
  --text: #0f172a;
  --muted: #475569;
  --line: #e2e8f0;
  --accent: #2563eb;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: Arial, Helvetica, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.65;
}

.wrap {
  max-width: 900px;
  margin: 0 auto;
  padding: 32px 20px 64px;
}

.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 32px;
  box-shadow: 0 10px 30px rgba(15, 23, 42, 0.06);
}

h1 {
  margin: 0 0 8px;
  font-size: 2rem;
  line-height: 1.2;
}

h2 {
  margin-top: 32px;
  margin-bottom: 12px;
  font-size: 1.25rem;
  line-height: 1.3;
}

p {
  margin: 0 0 14px;
}

ul {
  margin: 0 0 16px 22px;
  padding: 0;
}

li {
  margin-bottom: 8px;
}

.meta {
  color: var(--muted);
  margin-bottom: 24px;
}

.top-links {
  margin-bottom: 20px;
  font-size: 0.95rem;
}

.top-links a {
  color: var(--accent);
  text-decoration: none;
}

.top-links a:hover {
  text-decoration: underline;
}

a {
  color: var(--accent);
}

.footer {
  margin-top: 40px;
  padding-top: 20px;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 0.95rem;
}

@media (max-width: 640px) {
  .wrap {
    padding: 16px 12px 40px;
  }

  .card {
    padding: 20px;
    border-radius: 12px;
  }

  h1 {
    font-size: 1.7rem;
  }

  h2 {
    font-size: 1.1rem;
  }
}