body {
  font-family: Inter, Arial, sans-serif;
  margin: 0;
  padding: 20px;
  background: #f1f4f6;
  color: #282b3b;
  line-height: 1.6;
}

.container {
  max-width: 900px;
  margin: auto;
  background: #fff;
  padding: 30px;
  border-radius: 10px;
  box-shadow: 0 6px 18px rgba(0, 0, 0, 0.08);
}

h1,
h2 {
  color: #1f7a8c;
}

ul {
  margin: 0;
  padding-left: 20px;
}

.back-btn {
  margin-top: 30px;
  padding: 10px 20px;
  background: #1f7a8c;
  color: #fff;
  border: none;
  border-radius: 6px;
  cursor: pointer;
  font-weight: 600;
}

.back-btn:hover {
  background: #145561;
}