* {
  padding: 0;
  margin: 0;
}
html, body {
  width: 100%;
  height: 100%;
}
*{
  moz-user-select: -moz-none;
  -moz-user-select: none;
  -o-user-select:none;
  -khtml-user-select:none;
  -webkit-user-select:none;
  -ms-user-select:none;
  user-select:none;
}
a, p, dl, dt, dd, ul, li, h2, h1, h3, h4, h5, h6, table, tr, td, form, iframe, font, em, i, img {
  font-weight: normal;
  word-break: normal;
  word-wrap: break-word;
  font-style: normal;
  padding: 0px;
  margin: 0;
}
.main {
  margin: 0 20%;
  text-align: center;
}

.main .header {
  padding-bottom: 1rem;
  margin-bottom: 1rem;
  border-bottom: 1px solid #ccc;
}

.header .title {
  font-size: 30px;
  color: #333;
  padding: 1em 0;
}

.header .info span {
  padding-right: 2em;
  font-size: 14px;
  color: #999;
}

.main .content {
  text-align: left;
  text-indent: 2em;
  font-family: 宋体;
  line-height: 150%;
  font-size: 16px;
  color: #666;
}

.content .desc {
  text-indent: 0;
  padding-left: 3em;
}

.content .img {
  text-align: center;
}

.content .img img {
  max-width: 80%;
}

.content .img .desc {
  padding-bottom: 1em;
}

.content .maintitle {
  padding: 1em 0;
  text-indent: 0;
  font-weight: bold;
}

.content .subtitle {
  padding: 1em 0;
  font-weight: bold;
  font-size: 14px;
}