.sub-nav {
  width: 1028px;
  height: 56px;
  border-bottom: 1px solid #b6bfd9;
}

.sub-nav span {
  display: inline-block;
  margin-top: 18px;
  margin-left: 50px;
  font-size: 16px;
  font-weight: normal;
}

.sub-nav a:hover {
  color: #dc851f;
}

.article {
  margin-top: 50px;
  text-align: center;
}

.article-title {
  display: inline-block;
  color: #1d3688;
  font-size: 32px;
  margin: 0 80px;
}

.article-metas {
    margin-top: 30px;
}

.article-content {
  text-align: left;
  margin: 30px 100px 40px 100px;
}