/* 鐢靛瓙鏈熷垔 */
.e_book {
    width: 100%;
    padding: 1.9375rem 0 1.05rem;
    background: url("../../../front/e_book_background.png") no-repeat;
    background-size: 100% 100%;
    /* background: gray; */
}
.e_book .w1340 {
    position: relative;
}
.h3s {
    text-align: center;
    font-weight: bold;
    font-size: 0.525rem;
    color: #333333;
    line-height: 0.4rem;
}
.h3s_icon {
    width: 0.65rem;
    height: 0.5375rem;
    /* background: springgreen; */
    vertical-align: middle;
}
.h3s_content {
    vertical-align: middle;
}
.h3s_content {
}
.h3s_sub {
    font-weight: 400;
    font-size: 0.225rem;
    color: #7c7c7c;
    vertical-align: bottom;
    position: relative;
}
.h3s_sub::after {
    content: "";
    display: block;
    width: 1.625rem;
    height: 0.05rem;
    background: #f08519;
    position: absolute;
    right: -1.5rem;
    bottom: -0.05rem;
}

/* 鐢靛瓙鏈熷垔涔� +++++ */
.book_swiper {
    position: relative;
    overflow: hidden;
    padding-top: 1rem;
}
.book_swiper > .swiper-wrapper {
    /* overflow: hidden; */
}
.book_item {
    height: auto !important;
    position: relative;
    display: block;
    overflow: hidden;
}
.book_item img {
    width: 100%;
    height: auto;
    display: block;
    position: relative;
    z-index: 1;
}
.book_item:hover .book_item_active {
    background: rgba(0, 0, 0, 0.6);
}
.book_item_active {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 2;
    background: rgba(0, 0, 0, 0);
    transition: all 1s;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center; /* 让文字和按钮精准居中在图片中央 */
}
.book_item_active p {
    position: absolute;
    z-index: 3;
    background-color: #ffffff;
    transition: all 1s;
}
.book_item_active p:nth-child(1) {
    left: 0.3125rem;
    top: 0.3125rem;
    width: 0;
    height: 0.025rem;
}
.book_item_active p:nth-child(2) {
    right: 0.3125rem;
    top: 0.3125rem;
    width: 0.025rem;
    height: 0;
}
.book_item_active p:nth-child(3) {
    right: 0.3125rem;
    bottom: 0.3125rem;
    width: 0;
    height: 0.025rem;
}
.book_item_active p:nth-child(4) {
    left: 0.3125rem;
    bottom: 0.3125rem;
    width: 0.025rem;
    height: 0;
}
.book_item_active:hover p:nth-child(1) {
    width: calc(100% - 0.625rem);
}
.book_item_active:hover p:nth-child(2) {
    height: calc(100% - 0.625rem);
}
.book_item_active:hover p:nth-child(3) {
    width: calc(100% - 0.625rem);
}
.book_item_active:hover p:nth-child(4) {
    height: calc(100% - 0.625rem);
}
.bia_content {
    text-align: center;
    opacity: 0;
    transition: opacity 1s;
    margin-top: 0 !important;
    display: flex;
    flex-direction: column;
    align-items: center; /* 确保子元素水平居中 */
}
.book_item:hover .bia_content {
    opacity: 1;
}
.bia_content h4 {
    font-weight: bold;
    font-size: 2.8rem;
    color: #ffffff;
    padding: 0 0 1rem 0; /* 控制期数与下方按钮的间距 */
}
.bia_btn {
    display: inline-flex;          /* 使用弹性布局让内部文字精准居中 */
    align-items: center;           /* 垂直居中 */
    justify-content: center;       /* 水平居中 */
    width: 5.75rem;
    height: 1.45rem;
    border-radius: 20px;
    border: 0.025rem solid #ffffff;
    font-size: 0.9rem;
    text-decoration: none;
    color: #ffffff;
    box-sizing: content-box;       /* 防止边框撑大尺寸 */
    padding: 0.4rem 1rem;          /* 给按钮内部加一点合适的内边距，让圈显得饱满 */
}


.book_btn_next,
.book_btn_prev {
    width: 3rem !important;
    height: 3rem !important;
    background: #f08519 !important;
    box-shadow: 0px 0px 10px 2px rgba(0, 0, 0, 0.2);
    border-radius: 50%;
    top: 1rem;
    bottom: 1rem;
    margin: auto;
    position: absolute;
    display: flex;
    align-items: center;
    justify-content: center;
}
.book_btn_prev img {
    transform: scale(0.5);
}
.book_btn_next {
    right: -1.125rem;
}
.book_btn_prev {
    left: -1.125rem;
}
.book_btn_next img {
    transform: scale(0.5) rotate(180deg);
}
.bbn_img {
    display: none;
}
.book_btn_disabled {
    background: #ffffff !important;
}
.book_btn_disabled .bbn_img {
    display: inline-block;
}
.book_btn_disabled .bbn_img_active {
    display: none;
}
@media screen and (max-width: 768px) {
    .e_book {
        padding-top: 210px;
        padding-bottom: 40px;
        background-size: 100%;
        background-position: center;
        background-repeat: repeat;
    }

    .book_swiper{
        height: auto !important;
        position: relative;
        display: block;
    }
    .book_item {
        height: auto !important;
    }
    .book_item img{
        width: 100%;
        height: auto;
    }
    .book_item_active {
        display: flex;
        flex-direction: column;
        align-items: center;
        justify-content: center;
    }

    .bia_content h4 {
        font-size: 32px;
        padding: 0 0 20px; /* 移动端清除大顶距，靠 Flex 居中 */
    }

    .bia_btn {
        width: 120px;
        height: 30px;
        line-height: 30px;
        font-size: 12px;
    }
    .book_btn_next,
    .book_btn_prev {
        width: 30px !important;
        height: 30px !important;
        /* display: none; */
    }
    .book_btn_next{
        right: -15px;
    }
    .book_btn_prev{
        left: -15px;
    }


    .book_item_active p:nth-child(1) {
        left: 20px;
        top: 20px;
        width: 0;
        height: 0.025rem;
    }
    .book_item_active p:nth-child(2) {
        right: 20px;
        top: 20px;
        width: 0.025rem;
        height: 0;
    }

    .book_item_active p:nth-child(3) {
        right: 20px;
        bottom: 20px;
        width: 0;
        height: 0.025rem;
    }
    .book_item_active p:nth-child(4) {
        left: 20px;
        bottom: 20px;
        width: 0.025rem;
        height: 0;
    }
    .book_item_active:hover p:nth-child(1) {
        width: calc(100% - 40px);
    }
    .book_item_active:hover p:nth-child(2) {
        height: calc(100% - 40px);
    }
    .book_item_active:hover p:nth-child(3) {
        width: calc(100% - 40px);
    }
    .book_item_active:hover p:nth-child(4) {
        height: calc(100% - 40px);
    }
    .bia_content h4 {
        font-size: 32px;
        padding: 120px 0 20px;
    }
    .bia_btn {
        width: 120px;
        height: 30px;
        line-height: 30px;
        font-size: 12px;
    }
}





.w1340 {
    width: 60.75rem;
    margin: auto;
}

.news_title {
    font-weight: bold;
    font-size: 2rem;
    color: #f08519;
    line-height: 2.5rem;
    text-align: center;
}
.news_title span {
    display: inline-block;
    border-bottom: 2px solid #f08519;
}

.next_button,
.prev_button {
    width: 200px;
    height: 100px;
    background: springgreen;
    text-align: center;
    line-height: 100px;
    cursor: pointer;
    float: left;
}

.next_button {
    background: skyblue;
    margin-left: 20px;
    float: left;
}

/* 鐢靛瓙鏈熷垔 */
.book_item {
    width: 30%;

    margin-bottom: 0.625rem;
}


.book_btn_prev img {
    transform: scale(0.5);
}



.bbn_img {
    display: none;
}

.book_btn_prev .bbn_img_active {
    transform: scale(0.5) rotate(0deg);
}

.book_btn_next .bbn_img {
    transform: scale(0.5) rotate(180deg);
}

/* .book_btn_disabled {
  background: #ffffff !important;
} */
.book_btn_disabled .bbn_img {
    display: inline-block;
}

.book_btn_disabled .bbn_img_active {
    display: none;
}

/* 鎵嬫満鑷€傚簲 */
@media screen and (max-width: 768px) {

    .book_item_active {
        display: none;
    }

    img,
    a {
        cursor: alias;
    }
    .book_btn_next,
    .book_btn_prev {
        width: 60px !important;
        height: 60px !important;
        top: 45vh;
    }
    .book_btn_next {
        right: -10px;
    }
    .book_btn_prev {
        left: -10px;
    }
}
.dzqk {
    background: #f9f9f9;
    padding-bottom: 2.375rem;
}
.dzqk_list_box .book_item{
    margin-right: 5%;
}
.dzqk_list_box .book_item:nth-child(3n){
    margin-right: 0;
}
.dzqk_list_box {
    display: flex;
    /*justify-content: space-between;*/
    flex-wrap: wrap;
    margin-top: 1.25rem;
}
.pagination {
    display: inline-block;
    padding-left: 0;
    margin: 2px 0;
    border-radius: 4px;
}
.pagination > li {
    display: inline;
}
.pagination > li > a,
.pagination > li > span {
    position: relative;
    float: left;
    padding: 6px 12px;
    line-height: 1.42857143;
    text-decoration: none;
    color: #337ab7;
    background-color: #ffffff;
    border: 1px solid #dddddd;
    margin-left: -1px;
}
.pagination > li:first-child > a,
.pagination > li:first-child > span {
    margin-left: 0;
    border-bottom-left-radius: 4px;
    border-top-left-radius: 4px;
}
.pagination > li:last-child > a,
.pagination > li:last-child > span {
    border-bottom-right-radius: 4px;
    border-top-right-radius: 4px;
}
.pagination > li > a:hover,
.pagination > li > span:hover,
.pagination > li > a:focus,
.pagination > li > span:focus {
    color: #23527c;
    background-color: #eeeeee;
    border-color: #dddddd;
}
.pagination > .active > a,
.pagination > .active > span,
.pagination > .active > a:hover,
.pagination > .active > span:hover,
.pagination > .active > a:focus,
.pagination > .active > span:focus {
    z-index: 2;
    color: #ffffff;
    background-color: #337ab7;
    border-color: #337ab7;
    cursor: default;
}
.pagination > .disabled > span,
.pagination > .disabled > span:hover,
.pagination > .disabled > span:focus,
.pagination > .disabled > a,
.pagination > .disabled > a:hover,
.pagination > .disabled > a:focus {
    color: #777777;
    background-color: #ffffff;
    border-color: #dddddd;
    cursor: not-allowed;
}
.pagination-lg > li > a,
.pagination-lg > li > span {
    padding: 10px 16px;
    font-size: 18px;
}
.pagination-lg > li:first-child > a,
.pagination-lg > li:first-child > span {
    border-bottom-left-radius: 6px;
    border-top-left-radius: 6px;
}
.pagination-lg > li:last-child > a,
.pagination-lg > li:last-child > span {
    border-bottom-right-radius: 6px;
    border-top-right-radius: 6px;
}
.pagination-sm > li > a,
.pagination-sm > li > span {
    padding: 5px 10px;
    font-size: 12px;
}
.pagination-sm > li:first-child > a,
.pagination-sm > li:first-child > span {
    border-bottom-left-radius: 3px;
    border-top-left-radius: 3px;
}
.pagination-sm > li:last-child > a,
.pagination-sm > li:last-child > span {
    border-bottom-right-radius: 3px;
    border-top-right-radius: 3px;
}