.courseContentPage {
  border-top: 1px solid #dedede;
}
.courseContentPage .course-sorts {
  width: 1200px;
  margin: 0 auto;
  border-bottom: 1px solid #dedede;
  overflow: hidden;
}
.courseContentPage .course-sorts div {
  margin: 16px auto;
}
.courseContentPage .course-sorts div button {
  padding: 11px;
  font-size: 14px;
  margin-left: 8px;
}
.courseContentPage .course-sorts .sort-title {
  float: left;
}
.courseContentPage .course-sorts .sort-title button.active {
  margin-right: 17px;
  background-color: #14418b;
  border-radius: 6px;
  color: #fff;
}
.courseContentPage .course-sorts .sort-container {
  float: left;
}
.courseContentPage .course-sorts .sort-container .classify-button {
  padding-top: 32px;
  padding-bottom: 0;
}
.courseContentPage .difficulty-sorts {
  border: none;
}
.courseContentPage .course-introduct {
  background-color: #f3f5f7;
  box-shadow: 0px 3px 5px 0px rgba(0, 0, 0, 0.12);
  padding: 50px 0px;
  box-sizing: border-box;
}
.courseContentPage .course-introduct .zuihou-d {
  margin: 0 auto;
  height: 264px;
  margin-bottom: 20px;
}
.courseContentPage .course-introduct .zuihou-d .zuihou-d-content {
  height: 264px;
}
.courseContentPage .course-introduct .zuihou-d .zuihou-d-content li {
  height: 264px;
  background-color: #ffffff;
  border-radius: 4px;
}
.courseContentPage .course-introduct .zuihou-d .zuihou-d-content li .zuihou-p-title {
  padding: 0px 10px;
  font-size: 16px;
  margin-top: 12px;
  color: #333333;
}
.courseContentPage .course-introduct .zuihou-d .zuihou-d-content li .zuihou-p-content {
  padding: 0px 10px;
  font-size: 14px;
  color: #8d8c8c;
  line-height: 20px;
}
.courseContentPage .course-introduct .zuihou-d .zuihou-d-content li div {
  padding: 0px 10px;
  height: 14px;
  margin: 0;
  overflow: hidden;
}
.courseContentPage .course-introduct .zuihou-d .zuihou-d-content li div span {
  display: block;
  font-size: 12px;
  line-height: 14px;
}
.courseContentPage .course-introduct .zuihou-d .zuihou-d-content li div .zuihou-s-left {
  float: left;
}
.courseContentPage .course-introduct .zuihou-d .zuihou-d-content li div .money {
  float: left;
  margin-left: 42px;
  color: red;
  font-weight: bold;
  font-size: 14px;
}
.courseContentPage .course-introduct .zuihou-d .zuihou-d-content li div .zuihou-s-right {
  float: right;
}
.courseContentPage .course-introduct .zuihou-d-bot {
  width: 280px;
  margin: 0 auto;
}
.courseContentPage .course-introduct .zuihou-d-bot span {
  text-decoration: underline;
  font-size: 14px;
  line-height: 23px;
  letter-spacing: 0px;
  color: #666666;
}
.courseContentPage .course-introduct .zuihou-d-bot button {
  background-color: #14418b;
  border-radius: 2px;
  color: #ffffff;
  font-size: 14px;
  height: 20px;
  width: 20px;
  line-height: 20px;
  text-align: center;
  margin: 0px 20px;
  margin-top: 20px;
}