.wrapper {
  width: 6.9rem;
  margin: 0 auto;
}
.adv {
  border-radius: 0.1rem;
  margin-bottom: 0.39rem;
  margin-top: -1.56rem;
}
.adv img {
  width: 100%;
  border-radius: 0.1rem;
}
.book-nav {
  box-sizing: border-box;
  padding: 0 0.22rem;
  display: flex;
  justify-content: space-between;
  margin-bottom: 0.52rem;
  position: relative;
  z-index: 1;
}
.book-nav .book-nav-item {
  display: block;
  text-decoration: none;
  font-family: PingFang SC;
  font-weight: Medium;
  font-size: 0.36rem;
  color: #333;
}
.book-nav .active {
  font-weight: 800;
  color: #BB0808;
  position: relative;
}
.book-nav .active::before {
  content: '';
  width: 0.47rem;
  height: 0.08rem;
  background: url(../img/active-line.png) no-repeat;
  background-size: 100% 100%;
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
  bottom: -0.24rem;
}
.bookinfo-nav {
  width: 100%;
  box-sizing: border-box;
  padding-left: 0.3rem;
  display: flex;
  align-items: center;
  overflow-x: auto;
  scrollbar-width: none;
  margin-bottom: 0.33rem;
}
.bookinfo-nav .bookinfo-nav-item {
  display: block;
  text-decoration: none;
  width: 1.8rem;
  height: 0.52rem;
  background: #EBEBEB;
  border-radius: 0.26rem;
  font-family: PingFang SC;
  font-weight: 500;
  font-size: 0.32rem;
  color: #333333;
  line-height: 0.52rem;
  text-align: center;
  flex-shrink: 0;
  margin-right: 0.33rem;
}
.bookinfo-nav .active {
  background: #FFF2F2;
  border: 0.01rem solid #BB0808;
  color: #BB0808;
}
.bookinfo-nav::-webkit-scrollbar {
  width: 0rem;
  display: none;
}
.booklist-cont {
  overflow: hidden;
}
.booklist-cont .booklist-item {
  display: block;
  text-decoration: none;
  width: 3rem;
  float: left;
  margin-right: 0.7rem;
  margin-bottom: 0.29rem;
}
.booklist-cont .booklist-item img {
  display: block;
  width: 100%;
  height: 4.17rem;
  margin-bottom: 0.24rem;
  box-shadow: 6px 5px 0px 0px rgba(170, 170, 170, 0.54);
  border: 0.01rem solid #E0E0E0;
}
.booklist-cont .booklist-item .item-title {
  width: 100%;
  height: 0.64rem;
  font-family: PingFang SC;
  font-weight: 500;
  font-size: 0.3rem;
  color: #333333;
  line-height: 0.34rem;
  text-align: center;
  display: -webkit-box;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 2;
  overflow: hidden;
}
.booklist-cont .booklist-item:nth-child(2n) {
  margin-right: 0;
}
.tushu-cont {
  position: relative;
  z-index: 1;
}