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.PlayHeader_material-image_bQCgy{width:16px;height:16px;background:url(https://cdn.gupaoedu.com/gupao-edu-college/assets/v2.1/study-note-gray.png)}.PlayHeader_material-box_Um0rC:hover{color:var(--el-color-primary)}.PlayHeader_material-box_Um0rC:hover .PlayHeader_material-image_bQCgy{background:url(https://cdn.gupaoedu.com/gupao-edu-college/assets/v2.1/study-note.png)}.PlayHeader_el-button--primary_-pxH0:hover{background:linear-gradient(90deg,var(--el-color-primary-light-4),var(--el-color-primary-dark-2))!important}.PlayHeader_color-404040_JHmj-{color:#404040}.PlayHeader_color-666_Z--wv{color:#666}.PlayHeader_color-999_5gd-O{color:#999}.PlayHeader_el-button_U2vz7.PlayHeader_is-disabled_1W5bC{color:#c0c4cc!important;cursor:not-allowed;background-image:none;background:#ebeef5!important;border-color:#ebeef5!important}.PlayHeader_el-input-group--append_zhC0Z{overflow:hidden;border-radius:15px!important}.PlayHeader_el-input-group--append_zhC0Z .PlayHeader_el-input-group__append_PMN84{overflow:hidden;border-radius:0 15px 15px 0;border:none!important;padding:0!important;color:#fff;background:linear-gradient(270deg,var(--el-color-primary),var(--el-color-primary-light-7))}.PlayHeader_el-input-group--append_zhC0Z .PlayHeader_el-input-group__append_PMN84 .PlayHeader_el-input__inner_Ozuei,.PlayHeader_el-input-group--append_zhC0Z .PlayHeader_el-input__inner_Ozuei{border-radius:0!important;border:none!important}.PlayHeader_mask-box_NvW8b{display:flex;position:fixed;top:0;left:0;z-index:9999;justify-content:center;align-items:center;width:100%;height:100%;background-color:rgba(0,0,0,.5)}.PlayHeader_mask-box_NvW8b .PlayHeader_file-box_Pr-Vf{width:332px;overflow:hidden;padding:32px 27px;border-radius:8px;background-color:#fff}.PlayHeader_mask-box_NvW8b .PlayHeader_file-box_Pr-Vf .PlayHeader_file-title_GGoma{font-size:16px;line-height:normal;text-align:center}.PlayHeader_mask-box_NvW8b .PlayHeader_file-box_Pr-Vf .PlayHeader_file-content_eThlx{margin:16px 0 24px;font-size:24px;line-height:normal;text-align:center;font-family:pingfangscbig,sans-serif}.PlayHeader_mask-box_NvW8b .PlayHeader_file-box_Pr-Vf .PlayHeader_file-operate_f-9Ow{display:flex;justify-content:center;align-items:center;margin:0}.PlayHeader_mask-box_NvW8b .PlayHeader_file-box_Pr-Vf .PlayHeader_file-operate_f-9Ow li{min-width:88px;height:32px;overflow:hidden;padding:0 15px;border-radius:100em;font-size:12px;line-height:32px;text-align:center;cursor:pointer}.PlayHeader_mask-box_NvW8b .PlayHeader_file-box_Pr-Vf .PlayHeader_file-operate_f-9Ow .PlayHeader_confirm-btn_Bv109{margin-right:32px;color:#fff;background:linear-gradient(270deg,var(--el-color-primary),var(--el-color-primary-light-6))}.PlayHeader_mask-box_NvW8b .PlayHeader_file-box_Pr-Vf .PlayHeader_file-operate_f-9Ow .PlayHeader_confirm-btn_Bv109:hover{background:linear-gradient(90deg,var(--el-color-primary),var(--el-color-primary-dark-8))!important}.PlayHeader_mask-box_NvW8b 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.PlayHeader_el-loading-text_8x2lH{color:#404040!important}.PlayHeader_font-13_n84UE{font-size:13px}.PlayHeader_font-15_B0-PZ{font-size:15px}.PlayHeader_f-ml4_9SNMH{margin-left:4px}.PlayHeader_more-box-continer_DqLwr{background:#fff;font-size:12px;padding:8px 0}.PlayHeader_more-box-continer_DqLwr .PlayHeader_more-item_-AMXy{padding-left:16px;height:36px;line-height:36px}.PlayHeader_more-box-continer_DqLwr .PlayHeader_more-item_-AMXy img{margin-right:6px}.PlayHeader_more-box-continer_DqLwr .PlayHeader_more-item_-AMXy:hover{background:#f8f8f8}.PlayHeader_more-box-continer_DqLwr .PlayHeader_share-item_cH5dB .PlayHeader_share-box_7uli-{top:-4px;left:-113px;display:none}.PlayHeader_more-box-continer_DqLwr .PlayHeader_share-item_cH5dB.PlayHeader_active_5dkTn .PlayHeader_share-box_7uli-{display:block}.PlayHeader_font-18_Bw6Ay{font-size:18px}.PlayHeader_about-business_K59C1{display:inline-block;min-width:73px;padding:0 20px;height:28px;line-height:28px;border:1px solid #d9d9d9;border-radius:4px;margin-right:10px}.PlayHeader_about-business-count_1GGgV{min-width:20px;padding:0 10px;height:19px;line-height:19px;background:#eaeaea;border-radius:9px}.PlayHeader_question-dialog_Tcq7C .PlayHeader_header_kIvYj{height:50px;font-size:16px;border-bottom:1px solid #e5e5e5;padding:20px}.PlayHeader_question-dialog_Tcq7C .PlayHeader_content_fK8jc{height:200px;overflow:auto;padding:20px;border-bottom:1px solid #e5e5e5}.PlayHeader_question-dialog_Tcq7C .PlayHeader_footer_qIoBY{padding:20px;text-align:center;height:72px}.PlayHeader_question-dialog_Tcq7C .PlayHeader_footer_qIoBY .PlayHeader_el-button_U2vz7{width:88px;border-radius:45px}.PlayHeader_question-dialog_Tcq7C .PlayHeader_footer_qIoBY .PlayHeader_el-button_U2vz7:first-of-type{margin-right:24px}.PlayHeader_msg-pagination-container_KuRXH{text-align:center}.PlayHeader_msg-pagination-container_KuRXH .PlayHeader_is-background_384JE .PlayHeader_btn-next_lOiGE,.PlayHeader_msg-pagination-container_KuRXH .PlayHeader_is-background_384JE .PlayHeader_btn-prev_aPIub,.PlayHeader_msg-pagination-container_KuRXH .PlayHeader_is-background_384JE .PlayHeader_el-pager_Nlxth li,.PlayHeader_msg-pagination-container_KuRXH .PlayHeader_is-background_384JE .PlayHeader_el-pager_Nlxth li:not(.PlayHeader_disabled_4eh5u).PlayHeader_active_5dkTn{background-color:#fff;border:1px solid #d9d9d9;border-radius:4px;color:#000}.PlayHeader_msg-pagination-container_KuRXH .PlayHeader_is-background_384JE .PlayHeader_btn-next_lOiGE.PlayHeader_active_5dkTn,.PlayHeader_msg-pagination-container_KuRXH .PlayHeader_is-background_384JE .PlayHeader_btn-next_lOiGE:hover,.PlayHeader_msg-pagination-container_KuRXH .PlayHeader_is-background_384JE .PlayHeader_btn-prev_aPIub.PlayHeader_active_5dkTn,.PlayHeader_msg-pagination-container_KuRXH .PlayHeader_is-background_384JE .PlayHeader_btn-prev_aPIub:hover,.PlayHeader_msg-pagination-container_KuRXH .PlayHeader_is-background_384JE .PlayHeader_el-pager_Nlxth li.PlayHeader_active_5dkTn,.PlayHeader_msg-pagination-container_KuRXH .PlayHeader_is-background_384JE .PlayHeader_el-pager_Nlxth li:hover,.PlayHeader_msg-pagination-container_KuRXH .PlayHeader_is-background_384JE .PlayHeader_el-pager_Nlxth li:not(.PlayHeader_disabled_4eh5u).PlayHeader_active_5dkTn.PlayHeader_active_5dkTn,.PlayHeader_msg-pagination-container_KuRXH .PlayHeader_is-background_384JE .PlayHeader_el-pager_Nlxth li:not(.PlayHeader_disabled_4eh5u).PlayHeader_active_5dkTn:hover{color:var(--el-color-primary);border:1px solid var(--el-color-primary)}.PlayHeader_qa-markdown_ah3cb .PlayHeader_editormd_O7wKJ{border:none}.PlayHeader_qa-markdown_ah3cb .PlayHeader_editormd_O7wKJ.PlayHeader_editormd_O7wKJ ::-webkit-scrollbar{height:3px;width:5px;background:#f6f6f6}.PlayHeader_qa-markdown_ah3cb .PlayHeader_CodeMirror-activeline-background_ig-zl{background:unset}.PlayHeader_qa-markdown_ah3cb .PlayHeader_editormd_O7wKJ .PlayHeader_CodeMirror_xznlR 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.PlayHeader_chapter-name_iijhm{color:var(--el-color-primary)!important}.PlayHeader_active_task_f7HQW .PlayHeader_chapter-datum_ZKjoJ{background:var(--el-color-primary)!important;color:#fff!important}.PlayHeader_container_Y9K-y{min-width:1208px;position:fixed;top:0;left:0;z-index:2;width:100%;height:64px;padding:0 32px;box-sizing:border-box;background:#404040;box-shadow:0 6px 6px rgba(0,0,0,.03)}.PlayHeader_container_Y9K-y .PlayHeader_wrapper_e-sux{display:flex;width:100%;height:100%;margin:0 auto}.PlayHeader_container_Y9K-y .PlayHeader_wrapper_e-sux .PlayHeader_study_jcfpI{font-size:16px;color:#404040;font-size:14px;margin-left:40px;color:#fff;margin-left:15px}.PlayHeader_container_Y9K-y .PlayHeader_wrapper_e-sux .PlayHeader_study_jcfpI:hover{color:var(--el-color-primary);cursor:pointer}.PlayHeader_container_Y9K-y .PlayHeader_wrapper_e-sux .PlayHeader_message_QRrcq{font-size:16px;color:#404040;margin-left:40px;color:#fff}.PlayHeader_container_Y9K-y .PlayHeader_wrapper_e-sux 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.more-image{width:16px;height:16px;background:url(https://cdn.gupaoedu.com/gupao-edu-college/assets/v3/icon/more.png)}.more-box:hover{color:var(--el-color-primary)}.more-box:hover .more-image{background:url(https://cdn.gupaoedu.com/gupao-edu-college/assets/v3/icon/more-ck.png)}.p-wrap{display:flex;justify-content:space-between}.p-wrap .left{display:flex;align-items:center}.p-wrap .left.fixedW{width:384px}.p-wrap .pmp{color:var(--el-color-primary);font-size:18px;cursor:pointer}.icon-pdf-alert,.p-wrap .pmp{display:flex;align-items:center}.icon-pdf-alert{flex-direction:column;justify-content:center}.icon-pdf-alert .title{font-size:14px;margin:-20px 30px 30px 30px;font-weight:300;text-align:center;color:#999;display:-webkit-box;-webkit-box-orient:vertical;-webkit-line-clamp:1;overflow:hidden}.icon-pdf-alert .icons{display:flex}.icon-pdf-alert 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