* {
  box-sizing: border-box;
}

html {
  font-size: 16px;
}

body {
  margin: 0;
  font-family: Arial, Helvetica, sans-serif;
  line-height: 1.6;
  color: #1f2937;
  background: linear-gradient(135deg, #eef2ff, #f8fafc);
}

.page {
  width: 100%;
  min-height: 100vh;
  padding: 32px 16px;
  display: flex;
  justify-content: center;
  align-items: flex-start;
}

.card {
  width: 100%;
  max-width: 820px;
  padding: 40px;
  background: #ffffff;
  border-radius: 18px;
  box-shadow: 0 12px 35px rgba(15, 23, 42, 0.08);
}

h1 {
  margin: 0 0 8px;
  font-size: 2rem;
  line-height: 1.2;
  color: #111827;
}

h2 {
  margin: 28px 0 8px;
  font-size: 1.25rem;
  line-height: 1.3;
  color: #111827;
}

p {
  margin: 0 0 14px;
}

.updated {
  margin-bottom: 28px;
  color: #6b7280;
  font-size: 0.95rem;
}

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

a:hover {
  text-decoration: underline;
}

@media (max-width: 600px) {
  .page {
    padding: 16px 10px;
  }

  .card {
    padding: 24px 18px;
    border-radius: 14px;
  }

  h1 {
    font-size: 1.65rem;
  }

  h2 {
    font-size: 1.1rem;
  }

  body {
    font-size: 15px;
  }
}