h1 {
  color: #371f77;
  font-size: 36px;
  margin-bottom: 20px;
  font-weight: bold;
}
@media (max-width: 576px) {
  h1 {
    font-size: 30px;
  }
}
@media (max-width: 375px) {
  h1 {
    font-size: 28px;
  }
}
h2 {
  font-size: 24px;
  font-weight: bold;
  margin-bottom: 10px;
}
@media (max-width: 375px) {
  h2 {
    font-size: 20px;
  }
}
strong {
  font-weight: bold;
}
.mainBook {
  display: flex;
  align-items: center;
  justify-content: flex-start;
  margin: 40px auto 30px auto;
}
@media (max-width: 576px) {
  .mainBook {
    flex-direction: column;
    margin: 20px auto;
  }
}
.mainBook .wrap {
  height: 350px;
  flex: 0 0 300px;
}
@media (max-width: 576px) {
  .mainBook .wrap {
    margin: 0 0 20px 0;
  }
}
.mainBook .wrap img {
  width: 100%;
  height: 100%;
  -o-object-fit: contain;
     object-fit: contain;
  -o-object-position: center;
     object-position: center;
}
.mainBook .cont {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  flex-direction: column;
  height: 100%;
  padding-left: 30px;
}
@media (max-width: 576px) {
  .mainBook .cont {
    height: inherit;
    width: 250px;
    margin: 0 auto;
    padding-left: 0;
  }
}
.mainBook .title {
  font-weight: bold;
  margin-bottom: 40px;
  font-size: 20px;
}
@media (max-width: 576px) {
  .mainBook .title {
    margin-bottom: 20px;
    font-size: 18px;
  }
}
.mainBook .txt {
  margin: 3px 0;
}
.mainContent p {
  margin-bottom: 30px;
  font-size: 18px;
  line-height: 1.8;
}
.mainContent .outerlink {
  display: inline-block;
  color: #644b9f;
  border-bottom: 1px solid #644b9f;
  word-break: break-all;
}
.fullimg {
  margin-bottom: 30px;
  position: relative;
}
.fullimg:after {
  content: '';
  display: block;
  width: 66px;
  height: 1px;
  background-color: #371f77;
  position: absolute;
  bottom: -10px;
  left: 0;
}
.fullimg-info {
  margin-top: 10px;
  font-size: 16px;
  color: #666;
}
.related {
  margin: 60px 0 60px 0;
  overflow: hidden;
}
.related-title {
  margin: 30px 0 0 0;
  position: relative;
}
@media (max-width: 768px) {
  .related-title {
    margin: 0;
  }
}
.related-title span {
  font-size: 24px;
  color: #644b9f;
  background-color: #fff;
  position: relative;
  z-index: 2;
  padding: 0 5px 0 0;
}
.related-title img {
  position: absolute;
  top: 16px;
  right: 0;
  left: 0;
  width: 100%;
}
.related-wrapper {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  flex-wrap: wrap;
  margin: 30px -15px 0 -15px;
}
@media (max-width: 576px) {
  .related-wrapper {
    margin: 30px -7px 0 -7px;
  }
}
.related-item {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  width: 25%;
  padding: 0 15px;
}
@media (max-width: 576px) {
  .related-item {
    width: 50%;
    padding: 0 7px;
    margin: 0 0 20px 0;
  }
}
.related-item .wrap {
  height: 170px;
  margin-bottom: 12px;
}
.related-item .wrap img {
  width: 100%;
  height: 100%;
  -o-object-fit: contain;
     object-fit: contain;
  -o-object-position: center;
     object-position: center;
}
.related-item .title {
  display: flex;
  justify-content: center;
}
.related-item .title span {
  font-size: 18px;
  text-align: left;
  display: -webkit-box;
  overflow: hidden;
  text-overflow: ellipsis;
  -webkit-line-clamp: 3;
/* autoprefixer: off */
  -webkit-box-orient: vertical;
}
.tool {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 0 20px 0;
}
@media (max-width: 375px) {
  .tool {
    flex-direction: column;
    justify-content: flex-start;
    align-items: flex-start;
  }
}
.sharebtn {
  width: 160px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
@media (max-width: 375px) {
  .sharebtn {
    margin-top: 10px;
  }
}