.book-detail {
  display: flex;
  flex-wrap: nowrap;
  flex: 1;
}

.book-detail-main {
  flex: 1;
  background: #fff;
  padding: 32px 16px;
  margin-right: 16px;
  display: flex;
  flex-direction: column;
}

.book-detail-title {
  text-align: center;
  font-size: 18px;
  font-weight: bold;
}

.book-detail-author {
  text-align: center;
  margin-top: 16px;
  color: #999;
}

.book-detail-content {
  margin-top: 32px;
  text-indent: 28px;
  font-size: 14px;
  line-height: 24px;
  display: flex;
  flex-direction: column;
  flex: 1;
}

.book-detail-content img {
  margin-top: 16px;
}

.book-detail-recommend {
  width: 320px;
}

.book-detail-download {
  padding: 16px;
  background: #795548;
  color: #fff;
  width: 180px;
  font-size: 16px;
  border: 0;
  border-radius: 4px;
  margin-top: 32px;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.4);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
}

.book-detail-download i {
  margin-right: 4px;
  font-size: 20px;
}

.download-list {
  margin-top: 16px;
}

.download-list-li {
  display: flex;
  margin-top: 8px;
  width: 80%;
}

.download-list-li input {
  flex: 1;
  border-color: #795548;
  border-top-right-radius: 0;
  border-bottom-right-radius: 0;
}

.download-list-li input:active,
.download-list-li input:hover {
  border-color: #795548!important;
}

.download-list-li button {
  border-top-left-radius: 0;
  border-bottom-left-radius: 0;
}