body { font-family: 'Arial', sans-serif; background: #fefefe; color: #222; padding: 2rem; max-width: 900px; margin: auto; }
h1 { font-size: 2rem; color: #2c3e50; }
h2 { color: #34495e; }
p { font-size: 1.1rem; line-height: 1.6; }
ul { padding-left: 1.2rem; }
a.buy-button {
  display: inline-block;
  margin-top: 1rem;
  background: #27ae60;
  color: #fff;
  padding: 0.6rem 1.2rem;
  text-decoration: none;
  border-radius: 6px;
  font-weight: bold;
}
footer { margin-top: 3rem; font-size: 0.9rem; color: #888; text-align: center; }