.book-top-background {
    width: 100%;
    height: 434px;
    background: url(../img/book/book_top_background.jpg) 50% 100% no-repeat;
}

.classification-class {
    width: 100%;
    max-width: 1280px;
    margin: auto;
    margin-top: 40px;
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
}

.classification-button {
    background: #bb0019;
    padding: 15px 20px;
    color: #fff !important;
    position: relative;
    cursor: pointer;
    width: 100px;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.classification-button-nav-children {
    position: absolute;
    top: 80%;
    /* left: 30%; */
    left: -4px;
    padding: 10px 10px;
    z-index: 99;
    width: 130px;
    background: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-direction: column;
    border-radius: 10px;
    box-shadow: 0px 0px 5px #999;
}
.classification-button-nav-children a {
    margin: 10px 0px;
}

.classifcation-a:hover {
    font-weight: 900;
    text-shadow: 0px 0px 5px #bb0019;
    color: #fff !important;
}

.classification-book-class {
    width: 100%;
    max-width: 1280px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin: 70px auto;
}

.classification-book-only-image-class {
    width: 211px;
    height: 281px;
}

.such-class {
    color: #f00;
    font-weight: 900;
    font-size: 20px;
}
.title-class {
    font-size: 20px;
}
.author-class {
    color: #999;
}

.classification-book-only-class {
    cursor: pointer;
}

.classification-book-only-class img {
    padding: 3px;
    border: 4px solid #fff;
}

.classification-book-only-clickbook-class img {
    transform: scale(1.1);
    border: 4px solid #b8000d;
    border-radius: 5px;
}

.recommend-book-class {
    width: 100%;
    max-width: 1280px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin: 70px auto;
}

.recommend-book-only-class {
    cursor: pointer;
}

.recommend-book-only-class img {
    padding: 3px;
    border: 4px solid #fff;
}

.recommend-book-only-clickbook-class img {
    transform: scale(1.1);
    border: 4px solid #b8000d;
    border-radius: 5px;
}

.swiper-class {
    width: 100%;
    height: 450px;
    padding-top: 50px;
    position: relative;
}

.swiper-card {
    width: 100%;
    /* min-width: 1280px; */
    height: 100%;
    position: relative;
    background: #f6f6f6;
}

.swiper-top-line {
    position: absolute;
    width: 2px;
    background: #2c2d26;
    height: 60px;
    left: 24%;
    top: -30px;
}

.swiper-bottom-line {
    position: absolute;
    width: 2px;
    background: #2c2d26;
    height: 174px;
    left: 24%;
    bottom: 0px;
}

.swiper-title-zh {
    writing-mode: tb-rl;
    position: absolute;
    left: 22%;
    top: 70px;
    font-size: 28px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.swiper-title-zh-red {
    font-size: 30px;
    color: #f00;
}

.swiper-title-en {
    writing-mode: tb-rl;
    position: absolute;
    left: calc(22% + 40px);
    top: 90px;
    font-size: 20px;
    color: #a5a5a5;
}

.swiper-context-title {
    position: absolute;
    font-size: 24px;
    left: 33%;
    top: 100px;
}

.swiper-context {
    position: absolute;
    font-size: 18px;
    left: 33%;
    top: 170px;
    width: 30%;
    text-indent: 2em;
    color: #b1b1b1;
}

.swiper-image-class {
    position: absolute;
    top: 50px;
    left: 67%;
}
.classification-boot-more {
    width: 100%;
    max-width: 1280px;
    display: flex;
    align-items: center;
    justify-content: flex-end;
    margin: 40px auto;
}