.wr_whiteTheme .bookshelf_preview_item {
    /*box-shadow: 0 0 30px rgba(0, 0, 0, .04)*/
    box-shadow: #fff 0 0 0 0, rgb(229, 231, 235) 0 0 0 1px, rgba(0, 0, 0, 0) 0 0 0 0;
}

.bookshelf_preview_item {
    position: relative;
    height: 169px;
    overflow: hidden;
    border-radius: 12px;
    width: 23.5%;
    transition: all .2s ease-in-out;
    background-color: #1c1c1d
}

.wr_whiteTheme .bookshelf_preview_item {
    background-color: #fff;
    margin-bottom: 30px;
}

@media (max-width: 1200px) {
    .bookshelf_preview_item {
        height: 138px
    }
}

@media (max-width: 960px) {
    .bookshelf_preview_item {
        width: 48%;
    }

    .bookshelf_preview_item:first-child, .bookshelf_preview_item:nth-child(2) {
        margin-top: 0
    }
}

@media (max-width: 720px) {
    .bookshelf_preview_item {
        width: 100%;
        margin-top: 20px
    }

    .bookshelf_preview_item:nth-child(2) {
        margin-top: 20px
    }
}

@media (max-width: 460px) {
    .bookshelf_preview_item {
        height: auto;
        margin-top: 0 !important;
        padding: 10px 0;
        border-radius: 0;
    }

    .bookshelf_preview_item, .wr_whiteTheme .bookshelf_preview_item {
        background-color: transparent
    }

    .bookshelf_preview_item:nth-child(-n+3) {
        display: block
    }

    .bookshelf_preview_item:nth-child(3) {
        border-radius: 0;
        border: 0 solid hsla(0, 0%, 100%, .05)
    }
}

@media (max-width: 460px)and (-webkit-min-device-pixel-ratio: 2),(max-width: 460px)and (min-device-pixel-ratio: 2),(max-width: 460px)and (min-resolution: 2dppx),(max-width: 460px)and (min-resolution: 192dpi) {
    .bookshelf_preview_item:nth-child(3) {
        position: relative;
        border: 0
    }

    .bookshelf_preview_item:nth-child(3):after {
        content: "";
        position: absolute;
        top: 0;
        left: 0;
        width: 200%;
        height: 200%;
        border-radius: 0;
        border: 0 solid hsla(0, 0%, 100%, .05);
        transform: scale(.5);
        transform-origin: 0 0;
        pointer-events: none
    }
}

@media (max-width: 460px)and (-webkit-min-device-pixel-ratio: 3),(max-width: 460px)and (min-device-pixel-ratio: 3),(max-width: 460px)and (min-resolution: 3dppx),(max-width: 460px)and (min-resolution: 288dpi) {
    .bookshelf_preview_item:nth-child(3):after {
        width: 300%;
        height: 300%;
        border-radius: 0;
        transform: scale(.3333333333)
    }
}

.bookshelf_preview_item:last-child {
    margin-right: 0
}

.bookshelf_preview_item:hover {
    transform: scale(1.1)
}

.bookshelf_preview_item:hover .bookshelf_preview_title {
    color: #eef0f4
}

.wr_whiteTheme .bookshelf_preview_item:hover .bookshelf_preview_title {
    color: #212832
}


.bookshelf_preview_item_container {
    display: table;
    padding: 24px;
    box-sizing: border-box
}

.bookshelf_preview_item_link {
    position: absolute;
    top: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
    -webkit-tap-highlight-color: rgba(0, 0, 0, 0) !important
}

.bookshelf_preview_item .bookshelf_preview_cover {
    display: table-cell;
    text-align: left;
    vertical-align: middle;
    width: 84px;
    height: 121px
}

.bookshelf_preview_content {
    padding: 0 0 0 24px;
    display: table-cell;
    vertical-align: middle
}

.bookshelf_preview_title {
    font-size: 16px;
    font-family: "SourceHanSerifCN-Bold", PingFang SC, -apple-system, SF UI Text, Lucida Grande, STheiti, Microsoft YaHei, sans-serif;
    color: #eef0f4;
    line-height: 24px;
    overflow: hidden;
    height: 48px;
    display: -webkit-box;
    display: -moz-box;
    text-overflow: ellipsis;
    -webkit-line-clamp: 2;
    -moz-line-clamp: 2;
    line-clamp: 2;
    -webkit-box-orient: vertical;
    -webkit-text-size-adjust: none;
    box-orient: vertical;
    height: auto;
    max-height: 48px;
    word-break: break-all
}

.wr_whiteTheme .bookshelf_preview_title {
    color: #0d141e
}

.bookshelf_preview_author {
    position: relative;
    display: inline-block !important;
    margin-top: 8px;
    font-size: 14px;
    vertical-align: bottom;
    color: #8a8c90;
    line-height: 22px;
    overflow: hidden;
    height: 22px;
    display: -webkit-box;
    display: -moz-box;
    text-overflow: ellipsis;
    -webkit-line-clamp: 1;
    -moz-line-clamp: 1;
    line-clamp: 1;
    -webkit-box-orient: vertical;
    -webkit-text-size-adjust: none;
    box-orient: vertical;
    height: auto;
    max-height: 22px
}

.wr_whiteTheme .bookshelf_preview_author {
    color: #858c96
}

@media (max-width: 1200px) {
    .bookshelf_preview_item .bookshelf_preview_cover {
        width: 68px;
        height: 98px
    }

    .bookshelf_preview_content {
        padding-left: 18px
    }

    .bookshelf_preview_title {
        font-size: 15px;
        word-break: break-all
    }

    .bookshelf_preview_author {
        font-size: 13px;
        margin-top: 6px
    }

    .bookshelf_preview_item_container {
        padding: 20px
    }
}

@media (max-width: 460px) {
    .bookshelf_preview_item .bookshelf_preview_cover {
        width: 56px;
        height: 81px
    }

    .bookshelf_preview_title {
        font-family: PingFang SC, -apple-system, SF UI Text, Lucida Grande, STheiti, Microsoft YaHei, sans-serif;
        font-weight: 700
    }

    .bookshelf_preview_author {
        font-size: 12px;
        margin-top: 2px
    }

    .bookshelf_preview_item_container {
        padding: 0
    }
}


.bookshelf_preview_container {
    margin-bottom: 40px
}

@media (max-width: 1200px) {
    .bookshelf_preview_container {
        padding: 0 40px
    }
}

@media (max-width: 960px) {
    .bookshelf_preview_container {
        margin-bottom: 32px;
        padding: 0 30px
    }
}

@media (max-width: 460px) {
    .bookshelf_preview_container {
        margin-bottom: 28px;
        padding: 0 20px
    }
}

.bookshelf_preview_body {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between
}