.ot_dqwz_dd {
  width: 100%;
  margin: 30px 0 50px 0;
  height: 54px;
  background-color: #d6e7f3;
  display: flex;
  justify-content: center;
  align-items: center;
}
.ot_dqwz_dd p {
  font-size: 16px;
}
.ot_dqwz_dd a:last-child {
  color: #337cbf;
}
.book_detail {
  width: 100%;
  display: flex;
  flex-direction: row;
  height: auto;
}
.bk_left {
  width: 357px;
  height: 557px;
}
.bk_right {
  flex: 1;
  margin-left: 71px;
}
.bk_box1 {
  width: 100%;
  height: 8px;
  background-color: #0068b7;
}
.bk_box2 {
  width: 100%;
  height: 549px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  background-color: #f9f9f9;
}
.book_name {
  width: 303px;
  height: 51px;
  margin-top: 20px;
  display: flex;
  justify-content: center;
  align-items: center;
  background-color: #0068b7;
}
.book_name p {
  color: #ffffff;
}
.bk_info {
  position: relative;
  display: flex;
  margin-bottom: 50px;
  /* justify-content: flex-end; */
}
.bk_title p {
  font-size: 20px;
  font-weight: bold;
  color: #0d0d0d;
}
.bk_title {
  width: 280px;
  height: 61px;
  display: flex;
  align-items: center;
  justify-content: center;
  position: absolute;
  top: 0px;
  left: 3px;
}
.bk_list {
  display: flex;
  flex-direction: row;
  flex-wrap: wrap;
}
.bk_item {
  margin-right: 10px;
  margin-bottom: 50px;
  position: relative;
  z-index: 1;
}
.xb_icon img {
  width: 78px;
  height: 76px;
}
.xb_box {
  width: 240px;
  height: 65px;
  margin-top: 11px;
  border-bottom-right-radius: 30px;
  background-color: #f9f9f9;
  display: flex;
  align-items: center;
  justify-content: center;
}
.xb_box p {
  font-size: 16px;
  color: #030303;
}
.bk_box {
  display: flex;
  flex-direction: row;
}
.bk_item .bk_shadow {
  visibility: hidden;
}
.bk_item:hover .bk_shadow {
  visibility: visible;
}
.bk_shadow {
  width: 309px;
  height: 65px;
  position: absolute;
  z-index: -1;
  border-bottom-right-radius: 31px;
  background-color: #d6d6d6;
  top: 18px;
  left: 11px;
}
.bk_box2 a:nth-child(n+2) {
  display: none;
}