.article-title {
  margin-bottom: 10px;
  width: 100%;
  padding: 10px 0 10px 15px;
  background: #fff;
  border-top: solid 3px #AF1D31;
  border-bottom: solid 3px #AF1D31;
  font-size: 27px;
  font-weight: bold;
}
.article-lastmod {
  width: 100%;
  color: #999;
  text-align: right;
}
.article-mainimg {
  display: block;
  max-width: 90%;
  max-height: 30vh;
  margin: 0 auto;
  object-fit: contain;
}
/* .article-preface {
  width: 95%;
  margin: 5px auto;
  padding: 3px;
  background: #fafafa;
  font-size: 14px;
} */

.article-contents {
  width: 100%;
  padding: 10px 0;
}


.article-preface div {
  position: relative;
  width: 100%;
  margin: 12px 0;
  padding: 0.2em 0.5em;
  border-top: solid 5px #AF1D31;
  font-size: 16px;

}

.article-preface div::before {
  content: ' ';
  position: absolute;
  top: -5px;
  right: 0;
  width: 55%;
  border-top: solid 5px #ddd;

}


.article-preface ul{
  width: 100%;
  margin: 0 auto;
  padding: 8px 30px;
  border: solid 3px #AF1D31;
  background: #fffbec;
}

.li1 {
  padding-left: 0;
  font-size: 16px;
}

  .article-head {
    margin: 2px 0;
    padding: 5px;
    background: #AF1D31;
    color: #fff;
    font-size: 20px;
  }
  .article-img {
    display: block;
    max-width: 90%;
    max-height: 25vh;
    margin: 5px auto;
  }