@media print,
screen and (min-width: 750px) {
  .books .books-section {
    width: 100%;
    margin: auto;
    margin-top: 30px; 
  }

  .books .books-section-title {
    padding: 20px 0 16px;
    font-size: 20px;
    font-weight: 600;
  }

  .books .books-section-title img {
    width: 34px;
    margin-right: 13px;
    vertical-align: bottom;
  }

  .books .books-main:after {
    clear: both;
    content: "";
    width: 0;
    height: 0;
    visibility: hidden;
    display: block;
  }

  .books .books-main>div {
    float: left;
  }

  .books .books-main .main-left {
    position: relative;
    width: 100%;
    height: 515px;
    border: 1px solid #ddd;
    border-radius: 10px;
  }

  .books .books-main .main-left .label {
    position: absolute;
    top: 0px;
    right: 80px;
  }

  .books .books-main .main-left .label img {
    width: 30px;
  }

  .books .books-main .main-left .content-top {
    position: relative;
    height: 400px;
  }

  .books .books-main .main-left .content-bottom {
    height: 112px;
    border-top: 1px solid #eee;
    background: #fbfbfb;
    border-bottom-left-radius: 10px;
    border-bottom-right-radius: 10px;
  }

  .books .books-main .main-left .content-top-left {
    position: absolute;
    top: 50px;
    left: 18px;
    width: 300px;
    margin-right: 30px;
  }

  .books .books-main .main-left .content-top-left img {
    max-width: 300px;
    max-height: 440px;
    margin: 0 auto;
  }

  .books .books-main .main-left .content-top-right {
    position: absolute;
    left: 361px;
    top: 50px;
    margin-right: 10px;
  }

  .books .books-main .main-left .content-top-right>a {
    display: block;
    height: 350px;
  }

  .books .books-main .main-left .content-top-right .jap-title {
    font-size: 26px;
    color: #323232;
    font-weight: 600;
    margin-bottom: 16px;
  }

  .books .books-main .main-left .content-top-right .author {
    font-size: 15px;
    font-family: Arial;
    margin-bottom: 10px;
  }

  .books .books-main .main-left .content-top-right .author .tit {
    color: #999;
    float: left;
    font-size: 16px;
  }

  .books .books-main .main-left .content-top-right .author .auth {
    color: #333;
  }

  .books .books-main .main-left .content-top-right .author+.author {
    margin-bottom: 16px;
  }

  .books .books-main .main-left .content-top-right .hot {
    margin-bottom: 30px;
    font-size: 15px;
    color: #c29b73;
    line-height: 24px;
  }

  .books .books-main .main-left .content-top-right .desc {
    font-size: 15px;
    line-height: 26px;
    color: #000;
    overflow: hidden;
    text-overflow: -o-ellipsis-lastline;
    text-overflow: ellipsis;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    line-clamp: 3;
    -webkit-box-orient: vertical;
  }

  .books .books-main .main-left .content-top-right .rel-list {
    margin-top: 10px;
  }

  .books .books-main .main-left .content-top-right .rel-list:after {
    clear: both;
    content: "";
    width: 0;
    height: 0;
    visibility: hidden;
    display: block;
  }

  .books .books-main .main-left .content-top-right .rel-list .img {
    float: left;
    width: 59px;
    height: 79px;
    border: 6px solid transparent;
    display: flex;
    align-items: flex-end;
  }

  .books .books-main .main-left .content-top-right .rel-list .img+.img {
    margin-left: 25px;
  }

  .books .books-main .main-left .content-top-right .rel-list .img img {
    max-width: 47px;
    max-height: 67px;
    margin: 0 auto;
  }

  .books .books-main .main-left .content-top-right .rel-list .img.active {
    border-color: #3B8BE6;
  }

  .books .books-main .main-right {
    float: right;
    width: 228px;
    height: 415px;
    border: 1px solid #ddd;
    border-radius: 10px;
  }

  .books .books-main .main-right .books-info-download {
    height: 80px;
    border-bottom: 1px solid #eee;
    font-size: 20px;
    color: #323232;
    font-weight: 600;
    text-align: center;
    line-height: 78px;
  }

  .books .books-main .main-right .books-info-download img {
    width: 35px;
    height: 29px;
    margin-right: 5px;
    vertical-align: middle;
  }

  .books .books-type-section .books-type {
    display: inline-block;
    margin-left: 36px;
    font-size: 16px;
    font-weight: 400;
    color: #323232;
    line-height: 34px;
    vertical-align: middle;
  }

  .books .books-type-section .books-type ul:after {
    clear: both;
    content: "";
    width: 0;
    height: 0;
    visibility: hidden;
    display: block;
  }

  .books .books-type-section .books-type ul li {
    float: left;
    cursor: pointer;
  }

  .books .books-type-section .books-type ul li+li:before {
    content: "|";
    margin: 0 20px;
    color: #eee;
  }

  .books .books-type-section .books-type ul li.active {
    color: #c29b73;
  }

  /* .books .books-type-section .more {
    float: right;
    font-size: 16px;
    font-weight: bold;
    color: #408EE7;
    cursor: pointer;
    line-height: 32px;
  } */

  .books .books-type-section .more img {
    width: 7px;
    vertical-align: middle;
  }

  .books .books-type-content,
  .books .books-published-content {
    display: none;
  }

  .books .books-type-content.active,
  .books .books-published-content.active {
    display: block;
    display: flex;
    flex-wrap: wrap;
  }

  .books .books-type-content {
    padding: 30px 20px 0;
    border: 1px solid #ddd;
    border-radius: 10px;
  }

  .books .books-type-content:after {
    clear: both;
    content: "";
    width: 0;
    height: 0;
    visibility: hidden;
    display: block;
  }

  .books .books-type-content .new-item {
    float: left;
    width: 17%;
    margin-left: 3%;
    margin-bottom: 3%;
    font-size: 15px;
    cursor: pointer;
    
  }
  .books .books-type-content .new-item .info {
      width: 90%;
      text-align: center;
  }

  /* .books .books-type-content .new-item:nth-child(5n-4) {
    margin-left: 0;
  } */

  .books .books-type-content .new-item .img {
    margin-bottom: 14px;
    height: 265px;
    display: flex;
    align-items: flex-end;
  }

  .books .books-type-content .new-item .img img {
    max-width: 100%;
    max-height: 100%;
    margin: 0 auto;
    width: 100%;
  }

  .books .books-type-content .new-item .title,
  .books .books-type-content .new-item .author {
    line-height: 26px;
    /* overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap; */
  }

  .books .books-type-content .new-item .title {
    color: #000;
  }

  .books .books-type-content .new-item .author {
    color: #999;
    font-size: 14px;
    font-family: Arial;
  }

  .books .books-type-content .new-item .time {
    margin-top: 10px;
    color: #999;
  }

  .books .books-published-content:after {
    clear: both;
    content: "";
    width: 0;
    height: 0;
    visibility: hidden;
    display: block;
  }

  .books .books-published-content .books-published-item {
    float: left;
    width: calc(50% - 15px);
    margin-bottom: 40px;
    font-size: 18px;
    height: 220px;
    overflow: hidden;
  }

  .books .books-published-content .books-published-item:after {
    clear: both;
    content: "";
    width: 0;
    height: 0;
    visibility: hidden;
    display: block;
  }

  .books .books-published-content .books-published-item:nth-child(2n) {
    margin-left: 30px;
  }

  .books .books-published-content .books-published-item>div {
    float: left;
  }

  .books .books-published-content .books-published-item .img {
    width: 125px;
    height: 182px;
    padding: 6px;
    margin-right: 8px;
    display: flex;
    align-items: center;
  }

  .books .books-published-content .books-published-item .img img {
    max-width: 125px;
    max-height: 182px;
    margin: 0 auto;
  }

  .books .books-published-content .books-published-item .info {
    width: 250px;
    margin-left: 10px;
  }

  .books .books-published-content .books-published-item .main {
    height: 66px;
    margin-top: 19px;
  }

  .books .books-published-content .books-published-item .title,
  .books .books-published-content .books-published-item .author {
    color: #929292;
    font-size: 14px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
  }

  .books .books-published-content .books-published-item .author {
    font-family: Arial;
  }

  .books .books-published-content .books-published-item .title {
    color: #323232;
    font-size: 15px;
    margin-bottom: 12px;
  }

  .books .books-published-content .books-published-item .press {
    border-bottom: 1px solid #eee;
    padding-bottom: 5px;
    font-size: 14px;
    color: #000;
  }

  .books .books-published-content .books-published-item .desc {
    padding-top: 10px;
    font-size: 14px;
    color: #323232;
    line-height: 20px;
    display: -webkit-box;
    box-orient: vertical;
    -webkit-box-orient: vertical;
    line-clamp: 3;
    -webkit-line-clamp: 3;
    overflow: hidden;
  }

  .books .side-menu h3 {
    height: 57px;
    line-height: 57px;
    padding-left: 19px;
    border-top: 1px solid #e3e3e3;
    cursor: pointer;
    font-size: 18px;
    color: #666;
    font-weight: 400;
  }

  .books .side-menu h3:after {
    clear: both;
    content: "";
    width: 0;
    height: 0;
    visibility: hidden;
    display: block;
  }

  .books .side-menu h3 img {
    width: 11px;
    transform: rotateZ(30deg);
    float: right;
    margin-right: 20px;
    margin-top: 24px;
  }

  .books .side-menu ul .n-li .sub {
    padding: 14px 0;
    color: #999;
    display: none;
  }

  .books .side-menu ul .n-li .sub li {
    height: 30px;
    line-height: 30px;
    list-style: none;
  }

  .books .side-menu ul .n-li .sub li a {
    display: block;
    width: 100%;
    height: 100%;
    font-size: 15px;
    color: #000;
    font-weight: 400;
    text-decoration: none;
    padding: 0 25px;
    box-sizing: border-box;
  }

  .books .side-menu ul .n-li .sub li a:hover {
    background: #eee;
  }

  .books .side-menu ul .n-li .sub li a img {
    width: 16px;
    margin-right: 8px;
  }

  .books .side-menu ul .n-li .sub li+li {
    margin-top: 24px;
  }

  .books .side-menu ul .n-li.on .sub {
    display: block;
  }

  .books .side-menu ul .n-li.on h3 img {
    transform: rotateZ(0deg);
  }
}

@media screen and (max-width: 750px) {
  .books {
    padding: 0.36rem 0.3rem 0.4rem;
  }

  .books .books-section-title {
    padding: 0.5rem 0 0.4rem;
    font-size: 0.36rem;
    font-weight: 600;
  }

  .books .books-section-title img {
    width: 0.34rem;
    margin-right: 0.12rem;
  }

  .books .books-main:after {
    clear: both;
    content: "";
    width: 0;
    height: 0;
    visibility: hidden;
    display: block;
  }

  .books .books-main .main-left {
    position: relative;
    width: 100%;
    height: 4.77rem;
    border: 1px solid #ddd;
    border-radius: 10px;
  }

  .books .books-main .main-left .label {
    position: absolute;
    top: 0;
    right: 1rem;
  }

  .books .books-main .main-left .label img {
    width: 0.3rem;
    vertical-align: top;
  }

  .books .books-main .main-left .content-top {
    position: relative;
    height: 3.45rem;
  }

  .books .books-main .main-left .content-bottom {
    height: 1.18rem;
    border-top: 1px solid #eee;
    background: #fbfbfb;
    border-bottom-left-radius: 10px;
    border-bottom-right-radius: 10px;
  }

  .books .books-main .main-left .content-top-left {
    position: absolute;
    top: 0.4rem;
    left: 0.18rem;
    width: 2.3rem;
    margin-right: 0.3rem;
  }

  .books .books-main .main-left .content-top-left img {
    max-width: 2.3rem;
    max-height: 3.4rem;
    margin: 0 auto;
  }

  .books .books-main .main-left .content-top-right {
    position: absolute;
    left: 2.7rem;
    top: 0.4rem;
    width: 3.9rem;
  }

  .books .books-main .main-left .content-top-right>a {
    display: block;
    height: 3.3rem;
  }

  .books .books-main .main-left .content-top-right .jap-title {
    font-size: 0.26rem;
    color: #323232;
    font-weight: 600;
    margin-bottom: 0.16rem;
  }

  .books .books-main .main-left .content-top-right .author {
    font-size: 0.2rem;
    font-family: Arial;
  }

  .books .books-main .main-left .content-top-right .author .tit {
    color: #999;
  }

  .books .books-main .main-left .content-top-right .author .auth {
    color: #333;
  }

  .books .books-main .main-left .content-top-right .author+.author {
    margin-bottom: 0.16rem;
  }

  .books .books-main .main-left .content-top-right .hot {
    margin-bottom: 0.12rem;
    font-size: 0.2rem;
    color: #3B8BE6;
    line-height: 0.36rem;
    overflow: hidden;
    text-overflow: -o-ellipsis-lastline;
    text-overflow: ellipsis;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    line-clamp: 2;
    -webkit-box-orient: vertical;
  }

  .books .books-main .main-left .content-top-right .desc {
    font-size: 0.18rem;
    line-height: 0.26rem;
    color: #000;
    overflow: hidden;
    text-overflow: -o-ellipsis-lastline;
    text-overflow: ellipsis;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    line-clamp: 2;
    -webkit-box-orient: vertical;
  }

  .books .books-main .main-left .content-top-right .rel-list:after {
    clear: both;
    content: "";
    width: 0;
    height: 0;
    visibility: hidden;
    display: block;
  }

  .books .books-main .main-left .content-top-right .rel-list .img {
    float: left;
    width: 0.59rem;
    height: 0.79rem;
    border: 0.06rem solid transparent;
    display: flex;
    align-items: flex-end;
  }

  .books .books-main .main-left .content-top-right .rel-list .img+.img {
    margin-left: 0.14rem;
  }

  .books .books-main .main-left .content-top-right .rel-list .img img {
    max-width: 0.47rem;
    max-height: 0.67rem;
    margin: 0 auto;
  }

  .books .books-main .main-left .content-top-right .rel-list .img.active {
    border-color: #3B8BE6;
  }

  .books .exchange {
    margin-top: 0.6rem;
    color: #999999;
    background: #eeeeee;
    font-size: 0.26rem;
    text-align: center;
    line-height: 0.8rem;
    border-radius: 10px;
  }

  .books .books-type-section .books-type {
    font-size: 0.3rem;
    font-weight: 400;
    color: #323232;
    line-height: 0.3rem;
    height: 0.48rem;
    margin-top: 0.4rem;
    overflow-y: auto;
  }

  .books .books-type-section .books-type ul {
    width: max-content;
    margin-top: 0.06rem;
  }

  .books .books-type-section .books-type ul:after {
    clear: both;
    content: "";
    width: 0;
    height: 0;
    visibility: hidden;
    display: block;
  }

  .books .books-type-section .books-type ul li {
    float: left;
    cursor: pointer;
  }

  .books .books-type-section .books-type ul li+li:before {
    content: "|";
    margin: 0 0.15rem;
    color: #eee;
  }

  .books .books-type-section .books-type ul li.active {
    color: #c29b73;
  }

  /* .books .books-type-section .more {
    float: right;
    margin-top: -1.3rem;
    font-size: 0.24rem;
    font-weight: bold;
    color: #408EE7;
    cursor: pointer;
    line-height: 0.32rem;
  } */

  .books .books-type-section .more img {
    width: 0.07rem;
    vertical-align: middle;
  }

  .books .books-type-content,
  .books .books-published-content {
    display: none;
  }

  .books .books-type-content.active,
  .books .books-published-content.active {
    display: block;
    display: flex;
    flex-wrap: wrap;
  }

  .books .books-type-content:after {
    clear: both;
    content: "";
    width: 0;
    height: 0;
    visibility: hidden;
    display: block;
  }

  .books .books-type-content .new-item {
    float: left;
    width: 1.65rem;
    margin-left: 0.8rem;
    margin-bottom: 0.6rem;
    cursor: pointer;
  }

  /* .books .books-type-content .new-item:nth-child(10) {
    display: none;
  } */

  .books .books-type-content .new-item:nth-child(3n-2) {
    margin-left: 0;
  }

  .books .books-type-content .new-item .img {
    width: 1.65rem;
    height: 2.25rem;
    margin-bottom: 0.22rem;
    display: flex;
    align-items: flex-end;
  }

  .books .books-type-content .new-item .img img {
    max-width: 1.65rem;
    max-height: 2.25rem;
    margin: 0 auto;
  }

  .books .books-type-content .new-item .title {
    font-size: 0.2rem;
    margin-bottom: 0.05rem;
    /* overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap; */
  }

  .books .books-type-content .new-item .author {
    font-size: 0.24rem;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    color: #666;
    font-family: Arial;
  }

  .books .books-type-content .new-item .title {
    color: #000;
    font-weight: 600;
  }

  .books .books-published-content-wrap {
    width: 100%;
    overflow-y: hidden;
    overflow-x: auto;
  }

  .books .books-published-content {
    width: max-content;
  }

  .books .books-published-content:after {
    clear: both;
    content: "";
    width: 0;
    height: 0;
    visibility: hidden;
    display: block;
  }

  .books .books-published-content .books-published-item {
    float: left;
    width: 6.16rem;
    font-size: 0.28rem;
    cursor: pointer;
  }

  .books .books-published-content .books-published-item:after {
    clear: both;
    content: "";
    width: 0;
    height: 0;
    visibility: hidden;
    display: block;
  }

  .books .books-published-content .books-published-item>div {
    float: left;
  }

  .books .books-published-content .books-published-item .img {
    width: 1.88rem;
    height: 2.73rem;
    margin-right: 0.3rem;
    display: flex;
    align-items: flex-start;
  }

  .books .books-published-content .books-published-item .img img {
    max-width: 1.88rem;
    max-height: 2.73rem;
    margin: 0 auto;
  }

  .books .books-published-content .books-published-item .info {
    width: 3.97rem;
  }

  .books .books-published-content .books-published-item .title,
  .books .books-published-content .books-published-item .author {
    font-size: 0.3rem;
    color: #323232;
    font-weight: 600;
  }

  .books .books-published-content .books-published-item .author {
    font-size: 0.28rem;
    font-family: Arial;
  }

  .books .books-published-content .books-published-item .press {
    border-bottom: 1px solid #eee;
    padding-bottom: 0.1rem;
    font-size: 0.28rem;
    color: #000;
    font-weight: 400;
  }

  .books .books-published-content .books-published-item .desc {
    padding-top: 0.2rem;
    font-size: 0.28rem;
    color: #323232;
    line-height: 0.39rem;
    font-weight: 400;
    overflow: hidden;
    text-overflow: -o-ellipsis-lastline;
    text-overflow: ellipsis;
    display: -webkit-box;
    -webkit-line-clamp: 4;
    line-clamp: 4;
    -webkit-box-orient: vertical;
  }

  .books .books-published-content .books-published-item.books-published-item {
    margin-left: 0.2rem;
  }

  .books .information-download {
    width: 6.86rem;
    margin-top: 0.8rem;
    border: 1px solid #ddd;
    border-radius: 10px;
  }

  .books .information-download .books-info-download {
    height: 0.8rem;
    border-bottom: 1px solid #eee;
    font-size: 0.36rem;
    color: #323232;
    font-weight: 600;
    text-align: center;
    line-height: 0.78rem;
  }

  .books .information-download .books-info-download img {
    width: 0.35rem;
    height: 0.29rem;
    margin-right: 0.05rem;
    vertical-align: middle;
  }

  .books .side-menu {
    text-align: center;
  }

  .books .side-menu h3 {
    height: 0.89rem;
    line-height: 0.89rem;
    border-top: 1px solid #e3e3e3;
    cursor: pointer;
    font-size: 0.3rem;
    color: #666;
    font-weight: 400;
  }

  .books .side-menu h3 img {
    width: 0.14rem;
    margin-left: 0.1rem;
    transform: rotateZ(30deg);
  }

  .books .side-menu ul .n-li .sub {
    padding: 0.14rem 0;
    color: #999;
    display: none;
  }

  .books .side-menu ul .n-li .sub li {
    height: 0.3rem;
    line-height: 0.3rem;
    list-style: none;
  }

  .books .side-menu ul .n-li .sub li a {
    display: block;
    width: 100%;
    height: 100%;
    font-size: 0.24rem;
    color: #000;
    font-weight: 400;
    text-decoration: none;
    box-sizing: border-box;
  }

  .books .side-menu ul .n-li .sub li a:hover {
    background: #eee;
  }

  .books .side-menu ul .n-li .sub li a img {
    width: 0.18rem;
    margin-right: 0.1rem;
  }

  .books .side-menu ul .n-li .sub li+li {
    margin-top: 0.24rem;
  }

  .books .side-menu ul .n-li.on .sub {
    display: block;
  }

  .books .side-menu ul .n-li.on h3 img {
    transform: rotateZ(0deg);
  }
}