body {
  margin: 0;
  padding: 40px 20px;
  font-family: "Microsoft YaHei", sans-serif;
  background: #f3f6f2;
  color: #26382c;
  line-height: 1.8;
}

h1 {
  color: #286344;
  font-size: 36px;
}

h2 {
  margin-top: 30px;
  color: #397553;
}

p {
  font-size: 16px;
}

body {
  max-width: 800px;
  margin: 0 auto;
}