* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family:
    Inter,
    -apple-system,
    BlinkMacSystemFont,
    sans-serif;
  color: #0f172a;
  background: #ffffff;
}

.container {
  max-width: 900px;
  margin: 0 auto;
  padding: 40px 20px;
}

.card {
  background: #ffffff;
  border-radius: 16px;
  padding: 48px;
  box-shadow: 0 4px 20px rgba(15, 23, 42, 0.08);
}

h1 {
  font-size: 2.2rem;
  margin-bottom: 12px;
  color: #0f172a;
}

.updated {
  color: #64748b;
  margin-bottom: 32px;
}

h2 {
  margin-top: 32px;
  margin-bottom: 12px;
  font-size: 1.3rem;
  color: #0f172a;
}

p {
  margin-bottom: 16px;
}

ul {
  margin: 12px 0 24px 24px;
}

li {
  margin-bottom: 8px;
}

@media (max-width: 768px) {
  .card {
    padding: 24px;
  }

  h1 {
    font-size: 1.8rem;
  }
}

.menu {
  display: flex;
  gap: 24px;
}

.menu a {
  text-decoration: none;
  color: #475569;
  font-weight: 500;
}

.menu a:hover {
  color: #0f172a;
}

.container {
  max-width: 900px;
  margin: 60px auto;
  padding: 0 20px;
}

.hero {
  text-align: center;
  padding: 80px 0;
}

.hero h1 {
  font-size: 48px;
  margin-bottom: 16px;
}

.hero p {
  font-size: 18px;
  color: #64748b;
}

.content {
  background: white;
  padding: 40px;
  border-radius: 12px;
  box-shadow: 0 5px 20px rgba(0, 0, 0, 0.05);
}

.content h1 {
  margin-bottom: 24px;
}

.content h2 {
  margin-top: 32px;
  margin-bottom: 12px;
}

.content p {
  margin-bottom: 16px;
}

footer {
  text-align: center;
  padding: 40px;
  color: #64748b;
}