.xe-books {
  position: relative;
  padding-top: 2em;
}
.box_title {
    display: flex;
    justify-content: flex-start;
    align-items: center;
    height: 50px;
    line-height: 50px;
}
.box_title img {
  display: block;
  height: 36px;
  margin: 0;
  margin-right: 12px;
}
.box_title h3 {
  white-space: nowrap;
  font-size: 30px;
  color: #333;
}
.box_title span {
  color: #E60012;
}
.book_course_box {
  margin-top: 30px;
  position: relative;
}
.book_course:nth-child(1) {
  display: block;
  position: relative;
}
.book_course {
  display: none;
}
.book_course>a {
  display: block;
  position: absolute;
  right: 0;
  top: -70px;
  line-height: 30px;
  font-size: 16px;
  color: #333;
}
.book_tj_list {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
}
.book_tj_list li {
  width: 45%;
  background: #FFFFFF;
  margin-bottom: 1.5em;
  border: 1px solid #eee;
  border-radius: 8px;
}
.book_tj_list li a {
  display: block;
  width: 100%;
  height: 100%;
  box-sizing: border-box;
  padding: 20px;
}
.book_tj_list li a img {
  display: block;
  margin: 0 auto;
  height: 170px;
}
.book_tj_list li a p {
  display: -webkit-box;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 2;
  overflow: hidden;
  text-align: justify;
  color: #333333;
  margin-top: 30px;
  margin-bottom: 10px;
  font-size: 18px;
  height: 64px;
  line-height: 32px;
}
.book_tj_list li a h5 {
  line-height: 40px;
  font-size: 24px;
  color: #E60012;
}
.book_tj_list li a h5 span {
  font-size: 20px;
  font-weight: normal;
}


@media screen and (min-width: 750px) {
  .box_title {
    height: 45px;
    line-height: 45px;
  }
  .box_title img {
    height: 32px;
    margin-right: 8px;
  }
  .box_title h3 {
    font-size: 28px;
  }
  .book_course_box {
    margin-top: 30px;
  }
  .book_course>a {
    top: -65px;
    line-height: 30px;
    font-size: 18px;
  }
  .book_tj_list li {
    width: 23%;
    background: #FFFFFF;
}
.book_tj_list li a {
  padding: 20px;
}
.book_tj_list li a img {
  height: 184px;
}
.book_tj_list li a p {
  margin-top: 20px;
  margin-bottom: 10px;
  font-size: 16px;
  height: 60px;
  line-height: 30px;
}
.book_tj_list li a h5 {
  line-height: 30px;
  font-size: 22px;
}
.book_tj_list li a h5 span {
  font-size: 18px;
}




}