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

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  line-height: 1.6;
  color: #333;
  background-color: #f5f5f5;
}

#app {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.header {
  background-color: #fff;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
  padding: 1rem 0;
}

.nav {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo {
  font-size: 1.5rem;
  font-weight: bold;
  color: #2c3e50;
}

.nav-links {
  list-style: none;
  display: flex;
  gap: 2rem;
}

.nav-links a {
  text-decoration: none;
  color: #34495e;
  font-weight: 500;
  transition: color 0.3s;
}

.nav-links a:hover {
  color: #3498db;
}

.main {
  flex: 1;
  max-width: 1200px;
  margin: 0 auto;
  padding: 2rem;
  width: 100%;
}

.content {
  background-color: #fff;
  padding: 3rem;
  border-radius: 8px;
  box-shadow: 0 2px 12px rgba(0, 0, 0, 0.08);
}

.content h1 {
  font-size: 2.5rem;
  margin-bottom: 1rem;
  color: #2c3e50;
}

.content p {
  font-size: 1.1rem;
  color: #7f8c8d;
}

.footer {
  background-color: #2c3e50;
  color: #fff;
  text-align: center;
  padding: 1.5rem 0;
  margin-top: auto;
}

.footer p {
  font-size: 0.9rem;
}