body {}

#app {
    background-color: #fff;
    box-sizing: border-box;

    min-height: calc(100vh - 60px);
}

.margin-t20 {
    margin-top: 20px;
}

/* 竖分割线 */
.shu {
    width: 1px;
    height: 15px;
    background-color: #ccc;
    margin: 0 15px;
    display: inline-block;
}

.margin-b10 {
    margin-bottom: 10px;
}

.line-2 {
    text-overflow: -o-ellipsis-lastline;
    overflow: hidden;
    text-overflow: ellipsis;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    line-clamp: 2;
    -webkit-box-orient: vertical;
}

.line-4 {
    text-overflow: -o-ellipsis-lastline;
    overflow: hidden;
    text-overflow: ellipsis;
    display: -webkit-box;
    -webkit-line-clamp: 4;
    line-clamp: 4;
    -webkit-box-orient: vertical;
}


/* 左侧盒子 */
.literature-left {
    width: calc(100% - 260px - 21px);
}

/* 右侧盒子 */
.literature-right {
    width: 260px;
    margin-left: 21px;
    display: flex;
    flex-direction: column;
    position: relative;
}

.scroll-literature-right {
    position: absolute;
    width: 100%;
    top: 0;
}

.literatrue-right-flexBottom {
    justify-content: flex-end;
}

/* 标题栏 */
.literature-title {
    font-family: OPPOSansBold;
    font-size: 22px;
    color: #333333;
    line-height: 28px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    width: 100%;
    margin-bottom: 20px;
}

.literature-con-data {
    margin-bottom: 20px;
    text-align: LEFT;
    display: flex;
    align-items: center;
}

.literature-con-data .u-avatar {
    width: 16px;
    height: 16px;
    background: #d9d9d9;
    border-radius: 50%;
    margin-right: 6px;
    line-height: 24px;
}

.literature-con-data span {
    font-size: 14px;
    font-family: opposans;
    color: #8a8a8a;
    line-height: 24px;

}

.literature-con-data i {
    font-size: 20px;
    margin-right: 5px;
    color: #8a8a8a;
}

/* 购买按钮 */
.literature-buy-box {
    padding: 20px;
    height: 92px;
    box-sizing: border-box;
}

.literature-buy-box .literature-buy-btn {
    width: 100%;
    height: 100%;
    background: #2250c4;
    border-radius: 8px;
    display: flex;
    justify-content: center;
    align-items: center;
    cursor: pointer;
    color: #fff;
    font-size: 16px;
    font-family: OPPOSansBold;

}

.literature-buy-btn-success {
    width: 100%;
    height: 100%;
    background: #15ad31;
    border-radius: 8px;
    display: flex;
    justify-content: center;
    align-items: center;
    color: #fff;
    font-size: 16px;
    font-family: OPPOSansBold;

}


/* 第二部分内容栏 */
.literature-content {
    display: flex;
    justify-content: space-between;
}

.literature-content .iframe-btn-box {
    height: 44px;
    background-color: #f2f4f7;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 20px;
    margin-bottom: 2px;

}

.iframe-btn-box .iframe-btn-left {
    display: flex;
}

.iframe-btn-box .iframe-btn-left .iframe-btn {
    display: flex;
    align-items: center;
    cursor: pointer;
    margin-right: 30px;
    color: #333333;
}

.iframe-btn i {
    color: #333333;
    font-size: 24px;
}

.iframe-btn span {
    font-size: 14px;
    color: #333333
}

#FxBtn {
    margin-right: 30px;
}

#FxBtn i {
    vertical-align: middle;
    font-size: 24px;
    line-height: 22px;
    color: #333333
}

#FxBtn span {
    vertical-align: middle;
    font-size: 14px;
    line-height: 22px;
    margin-left: 3px;
    color: #333333
}

#FxBtn #fxfunc {
    transform: translateX(0%) !important;
}


.iframe-btn-box i {
    font-size: 24px;
    line-height: 22px;

}

.iframe-btn-box .iframe-btn-left span {
    font-size: 14px;
    line-height: 22px;
    margin-left: 7px;
}

.iframe-btn-box .iframe-btn-right {
    display: flex;
    color: #333333;
}

.iframe-btn-box .iframe-btn-right span {
    display: flex;
    align-items: center;
    cursor: pointer;

}

.iframe-btn-box .iframe-btn-right .previous-chapter {
    display: flex;
    cursor: pointer;
}

.iframe-btn-box .iframe-btn-right .next-chapter {
    display: flex;
    margin-left: 30px;
    cursor: pointer;
}

.iframe-btn-box .iframe-btn-right .next-chapter i {
    font-size: 18px;

}

.iframe-btn-box .iframe-btn-right .previous-chapter i {
    font-size: 18px;
}

.iframe-btn-box .iframe-btn-right .previous-chapter:hover i,
.iframe-btn-box .iframe-btn-right .next-chapter:hover i,
.iframe-btn-box .iframe-btn-right .next-chapter:hover span,
.iframe-btn-box .iframe-btn-right .previous-chapter:hover span,
.iframe-btn-box .iframe-btn-left .iframe-btn:hover span,
.iframe-btn-box .iframe-btn-left .iframe-btn:hover i,
#FxBtn:hover span,
#FxBtn:hover i {
    color: #2250C4;
}


.literature-content #iframe-window {
    height: 100%;
    box-sizing: border-box;
    border: 1px #f2f4f7 solid;
    position: relative;
    overflow: hidden;
}

/* 未购买预览pdf */
.preview-pdf-box {
    background-color: #f2f4f7;
    height: 100%;
    width: 100%;
    box-sizing: border-box;
    padding: 0 0 0 0;
    display: flex;
    justify-content: space-between;
    position: relative;
}

/* 已购买-在线预览遮罩层 */
.preview-mask {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(98, 98, 98, 0.30);
    z-index: 3;
    display: flex;
    justify-content: center;
    align-items: center;
    backdrop-filter: blur(2px);
}

.preview-mask-btn {
    width: 160px;
    height: 48px;
    background: #2250c4;
    border-radius: 63px;
    color: #fff;
    font-size: 18px;
    text-align: center;
    color: #ffffff;
    display: flex;
    justify-content: center;
    align-items: center;
    cursor: pointer;
}

/* 未购买-左侧内容 */
.preview-pdf-box .preview-pdf-left {
    width: 30%;
    margin-right: 2%;
}

.preview-pdf-left .preview-pdf-left-header {
    margin-top: 12px;
    width: 100%;
    height: 27px;
    border-bottom: 1px solid #cccccc;
    padding-left: 15%;
    box-sizing: border-box;
}

.preview-pdf-left .preview-nav-item {
    padding: 2px;
    display: inline-block;
    height: 26px;
    border-bottom: 2px solid #ca3834;
    box-sizing: border-box;
    color: #CA3834;
    font-size: 12px;
    font-family: OPPOSans;
}

.preview-pdf-left .thumbnail-container {
    padding: 5px 0 12px;
    width: 100%;
    height: calc(100% - 50px);
}

.preview-pdf-left .preview-pdf-left-content {
    width: 100%;
    padding: 0 10%;
    box-sizing: border-box;
    height: 100%;
    overflow-y: auto;
    overflow-x: hidden;
}

.preview-pdf-left .preview-pdf-img {
    margin: 12px 0;
    width: 100%;
    padding: 2px;
}


.preview-pdf-left .preview-pdf-img img {
    width: 100%;
}

.preview-pdf-left .preview-pdf-img:hover {
    border: 1px solid #ca3834;
    padding: 1px;
}

.preview-pdf-left .preview-pdf-img-active {
    padding: 0 !important;
    border: 2px solid #ca3834 !important;
}

.preview-pdf-left-content::-webkit-scrollbar {
    width: 0;
    height: 0;
}

.preview-pdf-left-content::-webkit-scrollbar-thumb {
    min-height: 40px;
    border: 4px solid transparent;
    border-radius: 8px;
    background-clip: content-box !important;
    background: #c0c6cf;
}

/* 未购买-右侧内容 */
.preview-pdf-right {
    position: relative;
    width: 100%;
    height: 100%;
    box-sizing: border-box;
    padding: 12px 0;
}

.pdf-page-wrapper {
    width: 100%;
    height: 100%;

    overflow-x: hidden;
    overflow-y: auto;
}

.pdf-page {
    width: 100%;
    height: auto;
    margin-bottom: 20px;
}

.pdf-page img {
    width: 100%;
    height: auto;
}

.pdf-page-wrapper::-webkit-scrollbar {
    width: 14px;
    height: 14px;
}

.pdf-page-wrapper::-webkit-scrollbar-thumb {
    min-height: 40px;
    border: 4px solid transparent;
    border-radius: 8px;
    background-clip: content-box !important;
    background: #c0c6cf;
}

/* 提示 */
.buy-toast-box {
    width: 200px;
    position: absolute;
    bottom: 0px;
    left: 0;
    text-align: center;
    padding: 36px 0;
    width: 200px;
    background: linear-gradient(180deg, rgb(255 255 255 / 0%) 0%, #f2f4f7 100%);
    backdrop-filter: blur(2px);
}

.buy-toast-box p {
    font-size: 14px;
    color: #000000;
    line-height: 24px;
    font-family: opposans;
}

.buy-toast-btn {
    padding: 6px 20px;
    background: #2250c4;
    border-radius: 8px;
    display: inline-block;
    margin-top: 16px;
    cursor: pointer;
    color: #ffffff;
    line-height: 24px;
    font-family: OPPOSansBold;
    color: #ffffff;
}



/* 学科 */
.literature-content .literatrue-desc {
    width: 100%;
    background: #f9f9f9;
    margin-bottom: 10px;
    padding: 20px;
    box-sizing: border-box;
    border-radius: 8px;
}

.literatrue-desc .literatrue-title {
    line-height: 26px;
    display: flex;

}

.literatrue-desc .literatrue-title span {
    min-width: 48px;
    font-size: 16px;
    font-family: OPPOSansBold;

    color: #333333;
}


.literatrue-desc .literatrue-type {
    margin-top: 14px;
    width: 64px;
    height: 24px;
    border-radius: 4px;
    font-size: 12px;
    font-family: OPPOSansBold;
    text-align: center;
    line-height: 24px;
}

.literatrue-type-2 {
    color: #2E8842;
    background: #daffe9;
}

.literatrue-type-1 {
    background: #e5f1ff;
    color: #2250C4;
}

.literatrue-footer {
    margin-top: 8px;
}

.literatrue-work-theme {
    font-size: 14px;
    color: #333333;
    line-height: 24px;
}

.literatrue-work-theme b {
    font-family: OPPOSansBold;
    font-weight: 100 !important;
}

/* 多行隐藏 并显示展开收起 */
.literatrue-work-theme-more {
    display: flex;
}

.more-btn {
    margin-right: 8px;
    margin-left: 8px;
    line-height: 13px;
    color: #2250C4;
    cursor: pointer;
}

/* .more-text::before {
            content: '';
            float: right;
            margin-bottom: -18px;
            cursor: pointer;
            line-height: 24px;
        } */

.more-text {
    display: -webkit-box;
    overflow: hidden;

    -webkit-box-orient: vertical;
    line-height: 24px;
}

.line-4 {
    -webkit-line-clamp: 4;
}

.line-999 {
    -webkit-line-clamp: 999;
    max-height: 220px;
    overflow: auto;
}

.none-height {
    display: inline;
    position: absolute;
    width: 0;
    white-space: nowrap
}

#moreExp {
    visibility: hidden;
}

/* .more-btn::after {
            content: '展开'
        } */


/* 多行隐藏 并显示展开收起结束 */
.literatrue-work-theme::-webkit-scrollbar {
    width: 12px;
    height: 12px;
}

.literatrue-work-theme::-webkit-scrollbar-button {
    width: 0px;
    height: 0px;
    display: none;
}

.literatrue-work-theme::-webkit-scrollbar-corner {
    background-color: transparent;
}

.literatrue-work-theme::-webkit-scrollbar-thumb {
    border: 4px solid rgba(0, 0, 0, 0);
    height: 6px;
    border-radius: 25px;
    background-clip: padding-box;
    background-color: rgba(0, 0, 0, 0.30);
}


.literatrue-work-theme span p {
    display: inline;
}

.literatrue-work-theme span p span {
    font-size: 14px !important;
    color: #333333 !important;
    line-height: 24px !important;
    font-family: opposans !important;
}


/* .literatrue-work-show {
            max-height: 300px;
            overflow: auto;
        } */

.workQuestion-show-btn {
    text-align: end;
    color: #2250C4;
    cursor: pointer;
}

.workQuestion-show-btn:hover {
    color: #2250C4
}

/* 相关推荐 */
.literature-content .literatrue-recommendation {
    background: linear-gradient(180deg, #daffe9, #ffffff 100%);
    border-radius: 8px;
    box-shadow: 0px 4px 16px 0px rgba(204, 204, 204, 0.20);
    padding: 20px;
    box-sizing: border-box;
}

.literature-content .literatrue-recommendation-2 {
    background: linear-gradient(180deg, #e5f1ff, #ffffff 100%);
}

.literatrue-recommendation .literatrue-title {
    font-size: 16px;
    font-family: OPPOSansBold;
    color: #333333;
    line-height: 26px;
}

.literatrue-recommendation .recommendation-nav {
    display: flex;
    margin-top: 16px;
    position: relative;
    height: 24px;
}

.literatrue-recommendation .nav-swiper-left {
    position: absolute;
    left: -17px;
    top: 50%;
    transform: translateY(-50%);
    cursor: pointer;
    color: #333333;
    font-size: 14px;

}

.literatrue-recommendation .nav-swiper-right {
    position: absolute;
    right: -17px;
    top: 50%;
    transform: translateY(-50%);
    cursor: pointer;
    font-size: 14px;
    color: #333333;
}

.nav-swiper {
    position: absolute;
    left: 0px;
    top: 0;
    display: flex;
    overflow: hidden;
    padding: 0 3px;
    transition: left 0.3s;
}


.literatrue-recommendation .recommendation-option {
    height: 24px;
    font-size: 14px;
    font-family: opposans;
    color: #333333;
    line-height: 24px;
    margin-right: 14px;
    cursor: pointer;
    white-space: nowrap;
}

.literatrue-recommendation .recommendation-option:hover {
    color: #2E8842;
}

.literatrue-recommendation-2 .recommendation-option:hover {
    color: #2250C4
}

.literatrue-recommendation .recommendation-option-active {
    color: #2E8842;
    font-family: OPPOSansBold;

    font-size: 17px;
}

.literatrue-recommendation-2 .recommendation-option-active {
    color: #2250C4;
}

.literatrue-recommendation .recommendation-item {
    text-align: LEFT;
    color: #8a8a8a;
    margin-top: 16px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.literatrue-recommendation .recommendation-item a {
    font-size: 13px;
    line-height: 24px;
    color: #8a8a8a;
}

.literatrue-recommendation .recommendation-item div {
    display: flex;
    justify-content: space-between;
    font-size: 13px;
    line-height: 24px;
    color: #8a8a8a;
}

.literatrue-recommendation .recommendation-item div p {
    display: flex;
    align-items: center;
}

.literatrue-recommendation .recommendation-item a:hover {
    color: #2250C4
}

.literatrue-recommendation .recommendation-total {
    width: 100%;
    height: 32px;
    background: #f3f3f3;
    border-radius: 8px;
    font-size: 12px;
    font-family: OPPOSans;
    text-align: center;
    color: #333333;
    line-height: 32px;
    margin-top: 14px;
}

/* 热门推荐 */
.hot-article {
    margin-top: 60px;
    background: #f9f9f9;
    padding: 40px 40px;
    box-sizing: border-box;
    border-radius: 8px;
    margin-bottom: 40px;
}

.hot-article-title {
    font-size: 24px;
    font-family: OPPOSansBold;
    text-align: LEFT;
    color: #333;
    line-height: 32px;
}

.hot-article-content {
    flex-wrap: wrap;
    display: flex;
    /* justify-content: space-between; */
}

.hot-article .article-item {
    width: calc(25% - 20px);
    margin-right: 20px;
    margin-top: 20px;
    height: 152px;
    background-color: #fff;
    border: 1px solid #d9d9d9;
    border-radius: 4px;
}

.hot-article .article-item:hover {
    border: 1px solid #2250C4;
}

.hot-article .article-item:nth-child(4n) {
    margin-right: 0;
}

.hot-article .article-item a {
    width: 100%;
    height: 100%;
    cursor: pointer;
    display: block;
    box-sizing: border-box;
    padding: 20px;
}

/* .hot-article .article-cover {
            width: 100%;
            height: 201px;
            box-sizing: border-box;
            border: 1px solid #d9d9d9;
            border-radius: 4px;
        } */

.hot-article .article-item:hover .article-cover {
    border: 1px solid #2250C4;
}

.hot-article .article-cover img {
    width: 100%;
    height: 100%;
    border-radius: 4px;
}

.hot-article .article-type {
    display: inline-block;
    font-size: 12px;
    padding: 2px 8px;
    border-radius: 4px;
    font-family: OPPOSansBold;
}

.hot-article .article-footer {
    display: flex;
    justify-content: space-between;
    font-size: 12px;
    line-height: 24px;
    color: #8a8a8a;
    margin-top: 14px;
}

.hot-article .article-footer p {
    display: flex;
    align-items: center;
}



.hot-article .article-type-1 {
    color: #2250c4;
    background: #e5f1ff;
}

.hot-article .article-type-2 {
    color: #2E8842;
    background: #daffe9;
}

.article-desc {
    font-size: 14px;
    text-align: LEFT;
    color: #333333;
    line-height: 24px;
    height: 48px;
    margin-top: 8px;
    letter-spacing: -0.6px;
}

.article-item:hover .article-desc {
    color: #2250C4
}

.no-word {
    height: 192px;
    width: 100%;
    display: flex;
    justify-content: center;
    align-items: center;
}

.noword img {
    width: 56px;
    height: 50px;
}


/* 顶部面包屑 */
.study-buttom-line {
    line-height: 52px;
    height: 52px;
}

.study_position li {
    display: inline-block;
    vertical-align: top;
}

.study_position li,
.study_position li a {
    font-size: 14px;
    color: #909090;
}

.study_position li:last-child a {
    color: #101010;
}

.study_position li a:hover {
    color: #2c5fc8;
}