body {
  font-family: "Times New Roman", serif;
  background-color: #f9f9f9;
  color: #333333;
  margin: 0;
  padding: 20px;
}

header {
  text-align: center;
  margin-bottom: 30px;
}

h1 {
  font-weight: normal;
  color: #444444;
}

.oem-container {
  max-width: 700px;
  margin: 0 auto;
  background: #ffffff;
  padding: 30px 40px;
  border-radius: 8px;
  box-shadow: 0 0 12px rgba(0, 0, 0, 0.08);
}

h2 {
  margin-top: 0;
  color: #222222;
}

h3 {
  color: #333333;
  margin-top: 25px;
}

p {
  font-size: 1.1rem;
  line-height: 1.5;
  color: #555555;
}

ul {
  list-style-type: disc;
  padding-left: 20px;
  color: #555555;
}

footer {
  text-align: center;
  margin-top: 50px;
  font-size: 0.9rem;
  color: #777777;
}