body {
  height: 100%;
}
#top_title_bg {
  float: left;
  width: 9rem;
  height:1.5rem;
  line-height: 1.5rem;
  margin-left: 0.5rem;
  display: flex;
  justify-content: space-between
}
#top_title {
  float: left;
  width: 4rem;
  height:1.5rem;
  line-height: 1.5rem;
  font-size: 0.5rem; 
  font-weight: bold;
  color: #2B2B2B;
}
#top_delete_btn {
  float: right;
  width: 1.8rem;
  height:1.5rem;
  font-size: 0.38rem;
  color: #777;
  text-align: right;
  background-image: url(/common/book_img/icon_basket.png);
  background-repeat: no-repeat;
  background-size: 0.45rem;
  background-position: 0.5rem 50%;
  display: none;
}
/* 扫码找书 */
.title_qr{
  display: none;
  width:2.6rem;
  height: 1.5rem;
  line-height: 1.5rem;
  font-size: 0.38rem;
  color: #777;
  float: left;
  text-align: right;
  background-image: url(../img/icon_code.png);
  background-repeat: no-repeat;
  background-size: 0.45rem;
  background-position: 0.5rem 50%;
}
.qr_tishi{
  display: none;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.8);
  position: fixed;
  z-index: 500;
  top: 0;
  left: 0;
  right: 0;
  margin: auto;
}
.qr_block{
  width: 7.866667rem;
  height: 8.9rem;
  margin: auto;
  margin-top: 3rem;
  background-color: #ffffff;
  border-radius: .15rem;
}
.qr_title{
  width: 7.866667rem;
  height: 1.8rem;
}
.qr_titleTxT{
  float: left;
  height: 1.8rem;
  line-height: 1.8rem;
  font-size: .4rem;
  color: #282828;
  margin-left: 0.3rem;
}

.qr_txt1{
  width: 5.946667rem;
  margin: auto;
  text-align: center;
  font-size: .35rem;
  color: #282828;
}
.qr_txt2{
  width: 5.946667rem;
  margin: auto;
  text-align: center;
  font-size: .346667rem;
  color: #656565;

}
.qr_circle{
  width: .26rem;
  height: .26rem;
  background-color: #78CE83;
  border-radius: 0.13rem;
  float: left;
  margin-left: 2.6rem;
  margin-top: 0.77rem;
}
.qr_img{
  width: 5.946667rem;
  height: 2.866667rem;
  margin-left: 0.9rem;
  margin-top: 0.4rem;
  margin-bottom: 0.4rem;
}
.knowBtn{
  width: 3.2rem;
  height: .8rem;
  line-height: .8rem;
  background-color: #78CE83;
  color: #fff;
  font-size: 0.34rem;
  text-align: center;
  border-radius: .133333rem;
  margin: auto;
  margin-top: 0.5rem;
}
.book_list {
  width: 9rem;
  margin-left: 0.5rem;
  margin-bottom: 0.04rem;
  display: flex;
  flex-wrap: wrap;
}
.book_list_item {
  float: left;
  width: 2.36rem;
  height: 3.4rem;
  margin-bottom: 0.5rem;
  border-radius: 0.2rem;
  margin-left: 0.96rem;
  background-color: #f7f5f6;
}
.book_list_item:nth-of-type(1),
.book_list_item:nth-of-type(4),
.book_list_item:nth-of-type(7),
.book_list_item:nth-of-type(10) {
  margin-left: 0;
}
.book_list_item_text {
  float: left;
  width: 2.36rem;
  height: 2.4rem;
  margin-top: 1rem;
  text-align: center;
  color: white;
  font-size: 0.3rem;
  padding: 0;
  position: absolute;
}
.book_list_item_img {
  width: 100%;
  height: 100%;
  border-radius: 0.2rem;
}
.book_list_item_delete {
  width: 0.5rem;
  height: 0.5rem;
  position: relative;
  right: -2.1rem;
  top: -3.66rem;
  z-index: 10;
  background-image: url('/common/book_img/icon_delete.png');
  background-size: 100% 100%;
  background-repeat: no-repeat;
  display: none;
}

.book_list_item_add {
  float: left;
  width: 2.36rem;
  height: 3.4rem;
  margin-bottom: 0.5rem;
  border-radius: 0.2rem;
  margin-left: 0.96rem;
  background-color: #f7f5f6;
}
.book_list_item_add:nth-of-type(1),
.book_list_item_add:nth-of-type(4),
.book_list_item_add:nth-of-type(7),
.book_list_item_add:nth-of-type(10) {
  margin-left: 0;
}
.book_list_item_add_img {
  width:1rem;
  height: 1rem;
  margin-left: 0.7rem;
  margin-top: 0.8rem;
}
.book_list_item_add_text {
  margin-top: 0.25rem;
  text-align: center;
  color: #7d7a7d;
  font-size: 0.35rem;
}