body {
  font-family: Arial, sans-serif;
  margin: 0;
  padding: 0;
  background: #fafafa;
  color: #111;
  line-height: 1.6;
  text-align: center;
}
header {
  padding: 60px 20px 20px;
}
header h1 {
  font-size: 40px;
  margin: 0;
}
.subtitle {
  font-size: 18px;
  margin-top: 12px;
}
.underline {
  height: 3px;
  width: 72px;
  margin: 16px auto;
  background: linear-gradient(90deg,#a0e,#6cf,#9f6,#a0e);
  border-radius: 3px;
}
section {
  padding: 40px 20px;
  max-width: 900px;
  margin: auto;
  text-align: left;
}
section h2 {
  text-align: center;
}
section p, section li {
  font-size: 18px;
  margin-bottom: 14px;
}
.bold {
  font-weight: bold;
  text-align: center;
}
ul { list-style: none; padding: 0; }
footer {
  background: #f5f5f5;
  padding: 20px;
  font-size: 14px;
  border-top: 1px solid #eaeaea;
}