.knowledgeList .Txt .title a::before {
  transition: all 0.5s;
}

.mainArea .titleBox .titleTw {
  padding-top: 51px;
}
.mainArea .titleBox .titleTw::after {
  background: url(../images/icon/book.png) no-repeat;
  width: 40px;
  height: 56px;
}

.classNote {
  padding-bottom: 10px;
  line-height: 1.8;
  font-size: 15px;
  color: #222;
  text-align: center;
}
.classNote img {
  max-width: 100%;
  -webkit-backface-visibility: hidden;
          backface-visibility: hidden;
}

.knowledgeList {
  width: 100%;
}
.knowledgeList .knowledgeItem {
  padding: 25px 0;
}
.knowledgeList .knowledgeItem:not(:first-child) {
  border-top: 1px solid #d2d2d2;
}
.knowledgeList .Img {
  float: left;
  width: 350px;
  border-radius: 15px;
  overflow: hidden;
  margin-right: 30px;
}
.knowledgeList .Img img {
  width: 100%;
  height: 100%;
  display: block;
  -o-object-fit: cover;
     object-fit: cover;
}
@media (max-width: 768px) {
  .knowledgeList .Img {
    float: none;
    width: 100%;
    height: auto;
    margin-right: 0;
    margin-bottom: 20px;
  }
}
.knowledgeList .Txt {
  overflow: hidden;
}
.knowledgeList .Txt .classTitle {
  display: inline-block;
  color: #fff;
  background-color: #000;
  border-radius: 6px;
  padding: 4px 10px;
  margin-bottom: 10px;
}
.knowledgeList .Txt .title a {
  position: relative;
  font-size: 20px;
  font-weight: 400;
  z-index: 1;
}
.knowledgeList .Txt .title a::before {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 7px;
  background-color: #ffec00;
  z-index: -1;
}
@media (min-width: 1201px) {
  .knowledgeList .Txt .title a:hover::before {
    width: 100%;
  }
}
.knowledgeList .Txt .text {
  padding-top: 10px;
  height: 68px;
  line-height: 1.8;
  font-size: 16px;
  color: #777;
}

.textEditor {
  margin-top: 30px;
}

.contentBox .titleBox {
  position: relative;
  text-align: left;
}
@media (min-width: 1201px) {
  .contentBox .articleTitle {
    padding-right: 250px;
  }
}
.contentBox .sideShare {
  position: absolute;
  bottom: 15px;
  right: 0;
}
@media (max-width: 1200px) {
  .contentBox .sideShare {
    position: relative;
    bottom: 0;
  }
}