ul,
ol,
li {
    margin: 0;
    padding: 0;
    list-style-type: none;
}

.swiper-book-herder .swiper-pagination-bullet {
    width: 14px;
    height: 14px;
    /* border-radius: 50%;
    background-color: #ffffff; */
    opacity: 1;
    margin: 0 10px !important;
    background: url("../img/book-open.png") !important;
    background-size: cover !important;
    /* 子弹之间的间距为 33px，每边一半 */
}

.swiper-book-herder .swiper-slide {
    overflow: hidden;
    /* 确保图片缩放时不显示出下张图片 */
}

.swiper-book-herder .swiper-pagination-bullet-active {
    width: 14px;
    height: 14px;
    /* border-radius: 9.5px;
    background-color: #B10000; */
    background: url("../img/book-open-active.png") !important;
    background-size: cover !important;
}

.swiper-book-herder .swiper-pagination-fraction,
.swiper-pagination-custom,
.swiper-container-horizontal>.swiper-pagination-bullets {
    position: absolute;
    width: 1111px;
    bottom: 32px !important;
    z-index: 9;
    display: flex;
    justify-content: center;
}
.book-wrapper {
    clear: both;
    max-width: 1400px !important;
    margin: auto;
}

.book-header {
    display: flex;
}

.book-header .tab {
    margin-right: 24px;
    width: 265px;
    height: 638px;
    /* background: #F9F9FE; */
    background: #fff;
    text-align: center;
}

.book-header .tab ul li {
    height: 77px;
    line-height: 77px;
    background-color: #FFFFFF;
}

.book-header .tab ul li:hover a {
    color: #AA0116;
}

.book-header .tab ul li:nth-child(1) {
    background-color: #CD0100;
    border-radius: 5px;
    height: 92px;
    line-height: 92px;
}

.book-header .tab ul li a {
    font-size: 20.83px;
    color: #686868;
}
.book-header .tab ul li:nth-child(1) section:hover a{
    border-bottom:none
}

.book-header .tab ul section:hover a {
    border-bottom: 4.5px solid #D80C17;
    color: #D80C17;
}

.swiper-book-herder {
    width: 100% !important;
    height: 638px !important;
    overflow: hidden;
    flex: 1;
    position: relative;
}

.swiper-book-pagination {
    z-index: 2;
    position: relative;
    bottom: 40px;
    left: 53%;
}

.my-bullet {
    display: block;
    margin-left: 13px;
    width: 15px;
    height: 15px;
    background: url("../img/book-pt.png") !important;
    background-size: cover !important;
}

.my-bullet-active {
    display: block;
    width: 15px;
    height: 15px;
    background: url("../img/book-pt-active.png") !important;
    background-size: cover !important;
}

.xuexiBook .books {
    margin-left: 45px;
}

.books .caption {
    display: flex;
    width: 200px;
    height: 45px;
    align-items: center;
    justify-content: center;
    background-color: #C80100;
    border-radius: 10px 0px 10px 0px;
    font-size: 29.17px;
    color: #FFFFFF;
    letter-spacing: 1.4px;
}


.books .more {
    display: flex;
    align-items: center;
}

.books .more span {
    font-size: 20.84px;
    color: #D30A1A;
    letter-spacing: 1.4px;
}

/*新书速递*/
.swiper-newbook-con {
    margin-top: 36px;
    position: relative;
    width: 100%;
    overflow: hidden;
}

.swiper-newbook {
    overflow: hidden;
}

.swiper-newbook .swiper-slide {
    height: 325.8px;
    width: 234.9px;
    margin-right: 31px;
    text-align: center;
}

.swiper-newbook .swiper-slide a {
    display: inline-block;
    height: 325.8px;
    width: 234.9px;
    background-color: #F3F3F3;
}

.swiper-newbook .swiper-slide img {
    width: 195px;
    height: 279px;
    background: #d8d8d8;
    /* box-shadow: 0px 1px 1px 0px rgba(0, 0, 0, 0.5); */
    object-fit: cover;
    margin: 0 0 0 0;
}

.swiper-newbook .swiper-slide p {
    width: 95%;
    margin: 0 auto;
}

.swiper-newbook-con .swiper-button-prev {
    position: absolute;
    z-index: 9;
    left: 10px;
    top: 50%;
}

.swiper-newbook-con .swiper-button-next {
    position: absolute;
    z-index: 9;
    right: 10px;
    top: 50%;
}

.swiper-newbook-con .swiper-button-prev::after {
    color: #8e8e93;
}

.swiper-newbook-con .swiper-button-next::after {
    color: #8e8e93;
}

/*end 新书速递*/

.book-study {
    margin-top: 36px;
    display: flex;
}

.book-study .zt-ctn {
    height: 241px;
    display: block;
    background: #F9F9FE;
}

.book-study .zt-ctn:nth-child(n):not(:last-child) {
    margin-right: 24px;
}

.book-study .zt-ctn div {
    margin: 2px 0 0 12px;
    font-size: 16px;
    color: #131B23;
}


.book-study .zt-ctn p {
    padding: 2px 12px 22px 12px;
    width: 292px;
    font-size: 14px;
    color: #435568;
    display: -webkit-box;
    -webkit-box-orient: vertical;
    overflow: hidden;
    text-overflow: ellipsis;
    -webkit-line-clamp: 2;
}

.book-hot {
    display: flex;
}

.book-hot .top-3 {
    padding: 0 30px;
    margin-right: 24px;
    display: flex;
    justify-content: center;
    background: #F4E1B4;
}

.book-hot .top-3 .sibling {
    width: 168px;
    padding: 0 10px;
}

.book-hot .top-3 div:nth-child(n):not(:last-child) {
    margin-right: 30px;

}

.book-hot .top-3 div {
    margin: 65px 0;
    height: 300px;
    display: block;
    text-align: center;
}

.book-hot .top-3 div img {
    display: block;
    margin: 10px 8px 10px 10px;
    width: 150px;
    height: 200px;
    transition: all 0.5s;
    object-fit: cover;
}

.book-hot .top-3 div a>:nth-child(2) {
    height: 48px;
    font-size: 16px;
    color: #6A5121;
}

.book-hot .top-3 div>:last-child {
    font-size: 14px;
    color: #6A5121;
}

.book-hot .other-top {
    line-height: 22px;
    background: #F9F9FE;
}

.book-hot .other-top ol li a {
    margin-left: 16px;
    margin-top: 24px;
    display: flex;
    align-items: center;
}

.book-hot .other-top ol li a .top {
    margin-right: 8px;
    text-align: center;
    width: 22px;
    height: 22px;
    border-radius: 50%;
    background: #E6E6EB;
    color: #BABAC1;
}

.book-hot .other-top ol li a .message {
    margin-right: 16px;
    flex: 1;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.book-hot .other-top ol li a span:first-child {
    margin-right: 10px;
    flex: 1;
    font-size: 16px;
    color: #131B23;
    display: -webkit-box;
    -webkit-box-orient: vertical;
    overflow: hidden;
    text-overflow: ellipsis;
    -webkit-line-clamp: 1;
}

.book-hot .other-top ol li a span:last-child {
    font-size: 14px;
    color: #435568;
    display: -webkit-box;
    -webkit-box-orient: vertical;
    overflow: hidden;
    text-overflow: ellipsis;
    -webkit-line-clamp: 1;
}

.book-hot-img:hover {
    margin: 0px 8px 20px 10px !important;
    transition: all 0.5s;
}

.book-hot-ctn a:hover span {
    color: #A3060F !important;
}

.book-hot-ctn a:hover span {
    color: #A3060F !important;
}

.hover {
    color: #A3060F !important;
}

.tab-title {
    font-size: 26.23px;
    color: #FFFFFF;
}

.newBooks {
    padding: 29px 50px 29px 53px;
    background-color: #FFFFFF;
}
.newBooks:last-child{
    margin-bottom: 3rem;
}
.xuexiBook {
    padding: 30px 24px 30px 17px;
    background-color: #FFFFFF;
}


.swiper-newbook-con {
    display: flex;
    gap: 31px;
}

.newbook-con-img {
    padding: 24px 22px;
    width: 234.5px;
    height: 325.8px;
    background-color: #F3F3F3;
}

.newbook-con-img img {
    width: 195px;
    height: 275px;
    object-fit: cover;
}

.newbook-con-title {
    width: 234.5px;
    margin-top: 14px;
    color: #262626;
    font-size: 20px;
    text-align: center;
}

.xuexiBook .left-box {
    padding: 36px 36px;
    width: 864px;
    height: 488px;
    background-color: #FFFFFF;
    border-radius: 10px;
    box-shadow: 0px 1px 4px 0px rgba(104, 103, 103, 0.5);
}

.left-tj {
    margin-left: 44px;
    flex: 1;
}

.tj-text {
    color: #C80100;
    font-size: 20px;
    line-height: 29px;
    letter-spacing: 1.4px;
    width: 425px;
}


.jj-text {
    color: #9FA0A0;
    font-size: 20px;
    line-height: 29px;
    letter-spacing: 1.4px;
    text-align: justify;
}


.xuexiBook .left-box img {

    width: 295px;
    height: 416px;
}

.right-tj {
    margin-left: 22px;
}

.right-box img {
    width: 91px;
    height: 128px;
    object-fit: cover;
}

.right-tj-title {
    color: #000000;
    font-size: 18px;
    line-height: 29px;
    letter-spacing: 1.4px;
    margin-top: 15px;

}

.select-box .left-postion{
    width: 18px;
    height: 18px;
    position: absolute;
    z-index: 9999;
    left: 856px;
}
.select-box:hover .right-tj-title {
    color: #D30A1A;
}
.select-box:hover{
   box-shadow: 0px 1px 4px 0px rgba(221, 71, 71, 0.5);  
}

.select-box-active{
    box-shadow: 0px 1px 4px 0px rgba(221, 71, 71, 0.5); 
}
.select-box-active .right-tj-title {
    color: #D30A1A;
}
.select-box {
    padding: 11px 22px;
    margin-bottom: 16px;
    width: 442px;
    height: 150px;
    box-shadow: 0px 1px 4px 0px rgba(104, 103, 103, 0.5);
    background-color: #FFFFFF;
    border-radius: 10px;

}
.book-study .select-box-lines:nth-child(1){
    padding-top: 23px !important;
}

.book-study .select-box-lines:last-child(){
    /* margin-bottom: 23px !important; */
}
.select-box-lines img{
    width: 19px;
    height: 19px;
}
.book-study-lines {
    width: 53px;
    padding: 23px 8px 10px 23px;
    /* height: 488px;
    overflow-y: auto; */
    /* overflow: hidden; */
}

.right-tj-section {
    color: #898989;
    font-size: 15px;
    margin-top: 32px;
    letter-spacing: 1.4px;
    line-height: 21px;
}

.show {
    display: flex !important;
}

.hotbooks {
    padding: 30px 35px 30px 23px;
    margin-bottom: 48px;
    height: 618px;
    background-color: #FFFFFF;
}

.hotbooks .caption {
    margin-left: 33px;
}

.book-hot {
    margin-top: 36px;
}

.book-hot-left {
    display: flex;
    padding: 26.5px 43px;
    width: 864px;
    height: 469px;
    background-color: #FFFFFF;
    box-shadow: 0px 1px 4px 0px rgba(104, 103, 103, 0.5);
}

.book-hot-left section {
    margin-left: 43px;
}

.book-hot-left img {
    width: 295px;
    height: 416px;
    object-fit: cover;
}

.book-hot-left p {
    color: #000000;
    font-size: 18px;
    letter-spacing: 1.4px;
    line-height: 20px;
}

.book-hot-left span {
    color: #9FA0A0;
    font-size: 18px;
    letter-spacing: 1.4px;
    line-height: 20px;
}

.book-hot-left article p {
    color: #9C9C9C;
}

.hot-left-des {
    margin-top: 48px;
}

.book-hot-right {
    margin-left: 32px;
}

.hot-right-num {
    width: 31px;
    height: 29px;
    line-height: 29px;
    background: #C80100;
    border-radius: 4px;
    color: #FFFFFF;
    font-size: 15px;
    text-align: center;
    margin: auto;
}
.hot-right-box{
    display: flex;
    justify-items: center;
    align-items: center;
    margin-top: 20px;
}
.hot-right-box:nth-child(1){
    margin-top: 0px;
}
.hot-right-title{
    font-size: 18px;
    letter-spacing: 1.4px;
    color: #9FA0A0;
}

.hot-right-title:hover{
    color: #D30A1A;
}
.right-box{
    height: 488px;
    overflow-y: auto;
    overflow-x: hidden;
    padding: 3px;
    padding-right: 20px;
}

.child-div {
    position: absolute;
    z-index: 9999;
    right: -249px;
    top: 35px;
    width: 249px;
    background-color: #FFFFFF;
    padding: 36px 34px 0px 34px;
    text-align: left;
}

.child-div p {
    cursor: pointer;
    line-height: 19.2px;
    margin-bottom: 33px;
    color: #757575;
    font-size: 15px;
}


.child-div p:hover {
    color: #C90000;
}