body {
  font-family: 'Inter', sans-serif;
  margin: 0;
  padding: 0;
  background-color: #f9f9f9;
  color: #333;
}

.container {
  max-width: 960px;
  margin: 40px auto;
  padding: 30px;
  background-color: #fff;
  border-radius: 12px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.06);
}

h1 {
  font-size: 2rem;
  margin-top: 0;
  padding-bottom: 10px;
  border-bottom: 2px solid #eee;
  color: #222;
}

h2 {
  font-size: 1.3rem;
  margin-top: 1.8em;
  color: #444;
}

p, ul {
  font-size: 1rem;
  line-height: 1.6;
}

ul {
  padding-left: 20px;
}

a {
  color: #0066cc;
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

.btn {
  display: inline-block;
  margin: 20px 0;
  padding: 10px 20px;
  font-weight: 600;
  border: none;
  border-radius: 8px;
  cursor: pointer;
  text-align: center;
  text-decoration: none;
  background-color: #0066cc;
  color: #fff;
  transition: background-color 0.2s ease;
}

.btn:hover {
  background-color: #004c99;
}

.back-btn {
  background-color: #aaa;
  margin-bottom: 20px;
}

.back-btn:hover {
  background-color: #888;
}