.ali-player-container[data-v-6976e572]{width:100%}.course-detail-dark .el-skeleton.is-animated .el-skeleton__item{background:linear-gradient(90deg,rgba(0,0,0,.5) 25%,#1b1c1d 37%,#0b0c0d 63%)!important;background-size:400% 100%}[data-v-1ca9a942] .el-textarea__inner{color:#fff!important}[data-v-1ca9a942] .el-input__inner,[data-v-1ca9a942] .el-textarea__inner{background-color:transparent!important}[data-v-1ca9a942] .el-checkbox__label{white-space:pre-wrap;line-height:1.5}.left-tool-wrapper[data-v-1ca9a942]{background:var(--B1-5);padding:5px 15px!important;border-radius:25px}.left-tool-wrapper .tool-tishi[data-v-1ca9a942]{color:var(--S1-6);font-size:18px;font-weight:600;margin-right:10px}.left-tool-wrapper .tool-text[data-v-1ca9a942]{color:#fff;font-size:var(--titleSize);font-weight:700;line-height:36px;margin-right:10px}.left-tool-wrapper .tool-time[data-v-1ca9a942]{color:var(--S1-6);font-size:var(--titleSize);font-weight:700;line-height:36px}.dot-span[data-v-6b0b7a18]{height:18px;width:4px;display:inline-block;border-radius:2px;margin-right:12px}.line-height-md[data-v-6b0b7a18]{line-height:35px;vertical-align:middle}.line-height-xl[data-v-6b0b7a18]{line-height:40px;vertical-align:middle}.dot-text-md[data-v-6b0b7a18]{font-weight:700;font-size:18px;color:#363a44}.dot-text-xl[data-v-6b0b7a18]{font-weight:600;font-size:20px;color:#333}.course-detail-dark ::-webkit-scrollbar{width:6px}.course-detail-dark ::-webkit-scrollbar-track{background:rgba(0,0,0,.11);border-radius:6px}.course-detail-dark ::-webkit-scrollbar-thumb{background:hsla(0,0%,100%,.15);border-radius:6px;border:none}.course-detail-dark ::-webkit-scrollbar-thumb:hover{background:hsla(0,0%,100%,.15)}.course-detail-dark{min-height:calc(100vh - 130px);padding:15px 0}.course-detail-dark .main-content{display:flex;color:#fff;font-family:Microsoft YaHei,sans-serif;gap:20px}.course-detail-dark .left-content{flex:1;padding:10px 0}.course-detail-dark .right-content{box-sizing:border-box;width:360px;min-width:360px;max-width:360px;padding:10px 0;overflow-x:hidden;overflow-y:auto}.course-detail-dark .font-e-1{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.course-detail-dark .course-title{margin-bottom:20px;font-size:18px;font-weight:700;color:#fff}.course-detail-dark .tab-container ::-webkit-scrollbar{width:8px!important}.course-detail-dark .tab-container ::-webkit-scrollbar-track{background:rgba(0,0,0,.11)!important;border-radius:6px!important}.course-detail-dark .tab-container ::-webkit-scrollbar-thumb{background:#222953!important;border-radius:6px!important;border:none!important}.course-detail-dark .tab-container ::-webkit-scrollbar-thumb:hover{background:#2b335f!important}.course-detail-dark .tab-container{width:calc(100% - 296px);display:flex;gap:10px;overflow-x:auto}.course-detail-dark .tab-item{padding:0 18px;font-size:14px;font-weight:400;line-height:30px;white-space:nowrap;color:hsla(0,0%,100%,.9);background:rgba(64,140,255,.3);border-radius:126px;cursor:pointer;transition:all .3s ease}.course-detail-dark .tab-item .tab-icon{font-size:16px;color:hsla(0,0%,100%,.9);margin-right:3px}.course-detail-dark .tab-item:hover{opacity:.8}.course-detail-dark .tab-item.active{background:#3d6ff0;color:#fff}.course-detail-dark .tab-item.active .tab-icon{color:#fff}.course-detail-dark .video-content{height:100%}.course-detail-dark .video-player{position:relative}.course-detail-dark .quiz-container{background:rgba(0,0,0,.23);border-radius:5px;padding:10px 15px}.course-detail-dark .quiz-header{display:flex;align-items:center;margin-bottom:20px}.course-detail-dark .quiz-header h3{font-size:20px;margin:0 0 5px 0;color:#fff}.course-detail-dark .quiz-header .quiz-number{color:#75e1ff;font-size:15px}.course-detail-dark .quiz-question{border-radius:5px;border:1px solid #323232}.course-detail-dark .quiz-question .question-title{padding:8px 15px;background:#323232;font-size:16px}.course-detail-dark .quiz-options{margin-bottom:0;padding:10px}.course-detail-dark .quiz-options .radio-group{display:flex;flex-direction:column;align-items:flex-start}.course-detail-dark .quiz-option{width:100%;display:flex!important;align-items:center;height:auto!important;min-height:36px;padding:2px 12px!important;box-sizing:border-box;border-radius:5px;margin-bottom:4px}.course-detail-dark .quiz-option .el-checkbox__label,.course-detail-dark .quiz-option .el-radio__label{color:#fff!important}.course-detail-dark .quiz-option:hover .el-checkbox__label,.course-detail-dark .quiz-option:hover .el-radio__label{color:#1ca121}.course-detail-dark .quiz-option:hover .el-checkbox__inner,.course-detail-dark .quiz-option:hover .el-radio__inner{border-color:#1ca121!important}.course-detail-dark .quiz-option.is-checked{background-color:rgba(64,140,255,.3);border-radius:5px}.course-detail-dark .quiz-option.is-checked .el-checkbox__inner,.course-detail-dark .quiz-option.is-checked .el-radio__inner{border-color:#fff!important}.course-detail-dark .quiz-actions{padding:10px 15px 0;margin-bottom:0}.course-detail-dark .quiz-actions .quiz-actions-btn{background:transparent;color:hsla(0,0%,100%,.7);border-color:hsla(0,0%,100%,.7)}.course-detail-dark .quiz-actions .quiz-actions-btn:hover{color:#fff;border-color:hsla(0,0%,100%,.9)}.course-detail-dark .quiz-actions .quiz-answer2{margin-top:10px;line-height:30px;font-size:15px}.course-detail-dark .quiz-answer{background:rgba(64,158,255,.2);padding:15px;border-radius:6px;border-left:4px solid #323232}.course-detail-dark .quiz-answer p{margin:0;color:#fff;font-weight:500}.course-detail-dark .course-catalog{height:100%}.course-detail-dark .course-catalog .course-right-title{background:transparent;line-height:56px;height:56px;padding:0 10px;border-radius:5px 5px 0 0}.course-detail-dark .course-catalog .course-right-title .right-head{font-size:var(--titleSize);font-weight:700;color:#fff;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.course-detail-dark .chapter-list{padding-bottom:42px;border-radius:6px;border-width:1.5px 0 0 0;border-style:solid;border-color:#75e1ff;background:linear-gradient(180deg,transparent calc(100% - 52px),#000)}.course-detail-dark .chapter-list .chapter-item{border-radius:6px;margin-bottom:6px;cursor:default}.course-detail-dark .chapter-list .chapter-children-wrapper{display:none;opacity:0;transition:display .3s ease,opacity .4s ease}.course-detail-dark .chapter-list .chapter-children-expanded{display:block;opacity:1}.course-detail-dark .chapter-list .chapter-title{display:flex;align-items:center;justify-content:space-between;border-radius:6px 6px 0 0;color:hsla(0,0%,100%,.9);font-size:16px;transition:all .3s ease;font-weight:600;line-height:30px;padding:10px;background:#000;cursor:pointer}.course-detail-dark .chapter-list .chapter-title:hover{background:hsla(0,0%,100%,.1)}.course-detail-dark .chapter-list .lesson-list{margin-top:10px}.course-detail-dark .chapter-list .lesson-item{font-size:14px;line-height:38px;cursor:pointer;transition:all .3s ease;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;background:#000}.course-detail-dark .chapter-list .lesson-item:last-child{border-radius:0 0 6px 6px}.course-detail-dark .chapter-list .lesson-item.lesson-item-active{background:#323232}.course-detail-dark .chapter-list .lesson-item.lesson-item-active .lesson-title{font-size:16px;color:#fff;font-weight:600}.course-detail-dark .chapter-list .lesson-item .lesson-hover{line-height:30px;padding:8px 10px;margin-bottom:0;color:hsla(0,0%,100%,.9);font-size:15px}.course-detail-dark .chapter-list .lesson-item .lesson-hover:hover{background:#323232}.course-detail-dark .chapter-list .lesson-item .lesson-num{display:inline-block;min-width:60px;font-size:14px;text-align:right;color:#fff}.course-detail-dark .chapter-list .sub-items{margin-top:5px}.course-detail-dark .chapter-list .sub-item{line-height:38px;cursor:pointer;transition:all .3s ease;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;color:hsla(0,0%,100%,.8);font-size:14px;padding:0 10px 0 10px}.course-detail-dark .chapter-list .sub-item .type-tag{width:52px;height:24px;margin-right:15px;line-height:24px;text-align:center;color:hsla(0,0%,100%,.7);border-radius:3px;opacity:1;background:rgba(64,140,255,.12);box-sizing:border-box;border:1px solid transparent}.course-detail-dark .chapter-list .sub-item .type-tag-actived{color:#75e1ff;background:rgba(64,140,255,.2);border:1px solid rgba(64,206,253,.8)}.course-detail-dark .chapter-list .sub-item .type-i-actived{color:#75e1ff}