.heading {
  padding-left: 20px;
  border-left: 4px solid #1695ef;
}

.heading .cn {
  font-size: 32px;
  font-weight: 700;
  color: #212121;
}

.heading .en {
  margin-top: 12px;
  font-size: 16px;
  color: #999;
}

.heading-wrap {
  margin-top: 100px;
  padding: 60px 0;
}

.main-wrap {
  padding: 20px 0 60px;
  background-color: #fafafa;
}

.main-wrap .bre-nav {
  font-size: 12px;
  color: #757575;
}

.main-wrap .bre-nav a:hover {
  color: #1695ef;
}

.main-wrap .main {
  margin-top: 40px;
}

.main-wrap .main .content {
  opacity: 0;
}

.main-wrap .main p {
  margin-top: 20px;
  font-size: 15px;
  line-height: 1.8;
  color: #545454;
  text-indent: 2em;
}