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

body {
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  line-height: 1.6;
  background-color: #f9f9f9;
  color: #333;
  padding: 20px;
}

.header {
  text-align: center;
  padding-bottom: 20px;
  border-bottom: 2px solid #ddd;
  margin-bottom: 30px;
}

.container {
  max-width: 800px;
  margin: 0 auto;
  background: white;
  padding: 30px;
  box-shadow: 0 0 10px rgba(0,0,0,0.05);
  border-radius: 8px;
}

h1 {
  color: #444;
  margin-bottom: 10px;
}

h2 {
  color: #333;
  margin-top: 30px;
  margin-bottom: 10px;
  font-size: 1.3em;
}

p, ul {
  margin-bottom: 15px;
}

ul {
  padding-left: 20px;
}

.footer {
  text-align: center;
  margin-top: 50px;
  font-size: 0.9em;
  color: #777;
}