.brandBox {
    position: relative;
}

.brandBox .img_box {
    height: 40.5rem;
    width: 100%;
    margin-top: 4.5rem;
    position: relative;
    display: flex;
    justify-content: center;
}

.brandBox .img_box img {
    width: 100%;
    height: 100%;
}

.brandBox .img_box .link_log {
    position: absolute;
    bottom: 1.35rem;
    display: flex;
}

.brandBox .img_box .link_log .link_log_item {
    width: 23.2rem;
    height: 9.85rem;
    margin: 0rem 0.6rem;
}

.brandBox .img_box .link_log .link_log_item img {
    width: 100%;
    height: 100%;
}

.brandBox .content_book {
    background-image: url("../img/xin_img/cb_bg@2x.png");
    background-size: 100% 100%;
    padding: 3rem 0rem 3rem;
    width: 100%;
    box-sizing: content-box;
    position: relative;
}

.brandBox .content_book .culture_box {
    position: relative;
    display: flex;
    width: 100%;
    box-sizing: border-box;
    justify-content: center;
    align-items: center;
}

.content_book .clickBtns {
    width: 100%;
    height: 4rem;
    line-height: 100%;
    position: absolute;
    display: inline-flex;
    justify-content: space-around;
    align-items: center;
}

.brandBox .content_book .culture_box .marginLeft {
    margin-left: -31% !important;
}

.brandBox .content_book .culture_box .marginRight {
    margin-left: 31% !important;
}

.brandBox .content_book .culture_box .prevBtns {
    width: 4rem;
    height: 4rem;
    position: absolute;
    left: 21%;
    cursor: pointer;
    background-size: 100% 100%;
    background-image: url("../img/xin_img/prev@2x.png");
}

.brandBox .content_book .culture_box .nextBtns {
    width: 4rem;
    height: 4rem;
    position: absolute;
    right: 21%;
    cursor: pointer;
    background-size: 100% 100%;
    background-image: url("../img/xin_img/next@2x.png");
}

.brandBox .content_book .enterprise_culture {
    position: relative;
    display: flex;
    width: 100%;
    box-sizing: border-box;
    justify-content: center;
}

.brandBox .content_book .enterprise_culture .prevBtns {
    width: 4rem;
    height: 4rem;
    position: absolute;
    left: 21%;
    top: 45%;
    cursor: pointer;
    background-size: 100% 100%;
    background-image: url("../img/xin_img/prev@2x.png");
}

.brandBox .content_book .enterprise_culture .nextBtns {
    width: 4rem;
    height: 4rem;
    position: absolute;
    right: 21%;
    top: 45%;
    cursor: pointer;
    background-size: 100% 100%;
    background-image: url("../img/xin_img/next@2x.png");
}

.brandBox .content_book .brand_box {
    position: relative;
    display: flex;
    width: 100%;
    height: 100%;
    justify-content: center;
    align-items: center;
}

.brandBox .content_book .brand_box .marginLeft {
    margin-left: -31% !important;
}

.brandBox .content_book .brand_box .marginRight {
    margin-left: 31% !important;
}

.brandBox .content_book .brand_box #brand_flipbook {
    position: relative;
    width: 100%;
    height: 100%;
}


.brandBox .content_book .brand_box .prevBtns {
    width: 4rem;
    height: 4rem;
    position: absolute;
    left: 21%;
    top: 45%;
    cursor: pointer;
    background-size: 100% 100%;
    background-image: url("../img/xin_img/prev@2x.png");
}

.brandBox .content_book .brand_box .nextBtns {
    width: 4rem;
    height: 4rem;
    position: absolute;
    right: 21%;
    top: 45%;
    cursor: pointer;
    background-size: 100% 100%;
    background-image: url("../img/xin_img/next@2x.png");
}

.brandBox .content_book #flipbook {
    position: relative;
}

.brandBox .content_book #flipbook .even .gadient_box {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: linear-gradient(to right, rgba(0, 0, 0, 0) 95%, rgba(0, 0, 0, 0.2) 100%);
}

.brandBox .content_book #flipbook img {
    width: 100%;
    height: 100%;
}

.brandBox .content_book #flipbook .odd .gadient_box {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: linear-gradient(to left, rgba(0, 0, 0, 0) 95%, rgba(0, 0, 0, 0.15) 100%);
}


.brandBox .content_book #brand_flipbook .even .gadient_box {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: linear-gradient(to right, rgba(0, 0, 0, 0) 95%, rgba(0, 0, 0, 0.2) 100%);
}

.brandBox .content_book #brand_flipbook img {
    width: 100%;
    height: 100%;
}

.brandBox .content_book #brand_flipbook .odd .gadient_box {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: linear-gradient(to left, rgba(0, 0, 0, 0) 95%, rgba(0, 0, 0, 0.15) 100%);
}

/* 导航 */
.brandBox .nav_flex {
    position: fixed;
    right: 0rem;
    top: 35%;
    cursor: pointer;
}

.brandBox .nav_flex ul li {
    padding: 0.4rem 1.15rem;
    position: relative;
    background: rgba(255, 255, 255, 0.5);
    border-radius: 0.9rem 0rem 0rem 0.9rem;
    font-weight: 600;
    font-size: 1.2rem;
    color: #434C6A;
    text-align: left;
    line-height: 2rem;
    margin-bottom: 0.5rem;
}

.brandBox .nav_flex ul .signIcon {
    color: #fff !important;
    background: rgba(0, 108, 165, 0.9) !important;
}

.brandBox .nav_flex ul .signIcon::before {
    content: '';
    background-image: url('../img/linkLogo/sjx.png');
    background-size: 100% 100%;
    position: absolute;
    left: 0.5rem;
    bottom: 1rem;
    width: 0.4rem;
    height: 0.7rem;
}

@media (max-width: 768px) {
    .brandBox {
        position: relative;
        display: flex;
        flex-wrap: wrap;
        align-content: center;
        justify-content: center;
        align-items: center;
    }

    .brandBox .img_box {
        height: 100%;
        width: 100%;
        margin-top: 4.5rem;
        position: relative;
        display: flex;
        justify-content: center;
        flex-wrap: wrap;
    }

    .brandBox .content_book .link_log {
        position: relative;
        wdith: calc(100% - 2.2rem);
        margin: 2rem 1.1rem;
        display: flex;
        flex-wrap: nowrap;
        justify-content: space-between;
        align-items: center;
    }

    .brandBox .content_book .link_log .link_log_item {
        width: calc(50% - 0.7rem);
        height: 4.85rem;
    }

    .brandBox .content_book .link_log .link_log_item img {
        width: 100%;
        height: 100%;
    }

    .brandBox .content_book {
        background-image: url("../img/xin_img/cb_bg@2x.png");
        background-size: 100% 100%;
        padding: 0rem 1.1rem 2rem;
        width: 100%;
        box-sizing: content-box;
        position: relative;
        display: flex;
        flex-wrap: wrap;
        justify-content: center;
        align-items: center;
        align-content: center;
    }

    .content_book .clickBtns {
        z-index: 100;
        align-items: center;
        justify-content: space-between;
    }

    .brandBox .content_book .culture_box {
        position: relative;
        width: calc(100% - 2.2rem);
        z-index: 10;
    }

    .brandBox .content_book .culture_box .marginLeft {
        margin-left: -60% !important;
    }

    .brandBox .content_book .culture_box .marginRight {
        margin-left: 25% !important;
    }

    .brandBox .content_book .culture_box .prevBtns {
        position: relative;
        width: 2rem;
        height: 2rem;
        top: 0;
        left: 0;
    }

    .brandBox .content_book .culture_box .nextBtns {
        position: relative;
        width: 2rem;
        height: 2rem;
        top: 0;
        right: 0;
    }

    .brandBox .content_book .brand_box {
        position: relative;
        width: calc(100% - 2.2rem);
        z-index: 10;
    }

    .brandBox .content_book .brand_box .marginLeft {
        margin-left: -60% !important;
    }

    .brandBox .content_book .brand_box .marginRight {
        margin-left: 25% !important;
    }

    .brandBox .content_book .brand_box .prevBtns {
        position: relative;
        width: 2rem;
        height: 2rem;
        top: 0;
        left: 0;
    }

    .brandBox .content_book .brand_box .nextBtns {
        position: relative;
        width: 2rem;
        height: 2rem;
        top: 0;
        right: 0;
    }

}