html, body {
  margin: 0;
  padding: 0;
  background: #FFF;
  font-family: "Microsoft YaHei", sans-serif;
}

.ctn {
  width: 1000px;
  margin: 0 auto;
}

.bg {
  margin: 100px auto 20px;
  width: 893px;
  height: 340px;
  background: url("img/upgrade.png") no-repeat;
  text-indent: -9999px;
}

.msg-ctn {
  margin: 0 120px;
  font-size: 18px;
  color: #666;
}

p {
  margin: 0;
  line-height: 1.6;
}

.para {
  text-indent: 35px;
}