.fs-avatar{border-radius:50%;background-size:cover;background-position:center;background-repeat:no-repeat;flex-shrink:0}.kk-context-menu{border-radius:5px;overflow:auto;position:fixed;box-shadow:0 .125rem .25rem #00000013!important;border:1px solid var(--color-border);max-width:300px;max-height:100vh;z-index:1100}.kk-context-menu>.kk-context-menu-item{padding:.5rem 1rem;cursor:pointer;background-color:#fff;border-bottom:1px solid var(--color-border);font-size:14px;display:flex}.kk-context-menu>.kk-context-menu-item:last-child{border-bottom:none}.kk-context-menu>.kk-context-menu-item:hover{background-color:#f8f9fa}.kk-context-menu>.kk-context-menu-item .text{text-overflow:ellipsis;white-space:nowrap;word-break:break-all;overflow:hidden;flex-grow:1}.kk-context-menu>.kk-context-menu-item .icon{flex-shrink:0;padding-left:.5em}.arc-progress{position:relative;width:300px;height:150px;margin:0 auto}.arc-progress .progress-bg{fill:none;stroke:#e0e0e0;stroke-width:15;stroke-linecap:round}.arc-progress .progress-bar{fill:none;stroke:#4a90e2;stroke-width:15;stroke-linecap:round;transition:stroke-dasharray .8s ease-out}.arc-progress .progress-text{position:absolute;bottom:30px;left:50%;transform:translate(-50%);font-size:2rem;font-weight:700;line-height:1;text-align:center}pre.pre{font-family:"monospace";white-space:pre-wrap;word-wrap:break-word;hyphens:auto;background-color:#fff;padding:0;border:none;max-width:100%;margin:0;font-weight:400;font-family:none}.fs-search-box .wok-ui-input{display:inline-flex;align-items:center;gap:8px;border-radius:19px;background-color:#f8f8f8;border:none}.fs-search-box .wok-ui-input>.fas,.fs-search-box .wok-ui-input>.wok-ui-svg-icon{color:#9fa3b0;pointer-events:none;flex-shrink:0}.fs-search-box .wok-ui-input>input{flex:1;border:none;outline:none;background:transparent;appearance:none;line-height:1.5;font-size:14px}.fs-search-box .wok-ui-input>input::placeholder{color:#9fa3b0!important}.skeleton{width:100%}.skeleton .skeleton-avatar{width:50px;height:50px;border-radius:25px;background:#f8f8f8;margin-right:16px}.skeleton .skeleton-line{height:18px;background:linear-gradient(90deg,var(--color-primary-soft) 25%,var(--bg-content) 50%,var(--color-primary-soft) 75%);background-size:200% 100%;animation:skeleton-loading 1.5s infinite;border-radius:9px;margin:12px 0}@keyframes skeleton-loading{0%{background-position:200% 0}to{background-position:-200% 0}}.skeleton .skeleton-row{display:flex;align-items:center;margin-bottom:16px}.video-player{aspect-ratio:16 / 9;width:100%;max-width:100%;display:block;background-color:#000;border-radius:var(--radius-xl);overflow:hidden}.video-player>video{width:100%;height:100%;object-fit:contain}.video-player .err-msg{display:flex;align-items:center;justify-content:center;height:100%;width:100%;padding:20px;color:var(--color-primary-light);font-size:var(--font-size-body);overflow:hidden}.backdrop-container{background-image:url(/imgs/fs-exam/backdrop.png);background-position:top;background-repeat:no-repeat;background-size:contain}.cover-image{position:relative;width:100%;overflow:hidden;border-radius:8px;aspect-ratio:16 / 9}.cover-image.without-radius{border-radius:0}.cover-image.without-bottom-radius{border-bottom-left-radius:0;border-bottom-right-radius:0}.cover-image img{position:absolute;top:0;left:0;width:100%;height:100%;object-fit:cover}.loading{display:inline-block;width:1em;height:1em;border:.2em solid #d9d9d9;border-top-color:transparent;border-radius:50%;animation:loading-rotate .8s linear infinite}@keyframes loading-rotate{0%{transform:rotate(0)}to{transform:rotate(360deg)}}.fs-answer-sheet{min-height:300px}.fs-answer-sheet .fs-answer-sheet-demo{height:.8rem;width:.8rem;display:inline-block;vertical-align:middle}.fs-answer-sheet .fs-answer-sheet-demo.unanswered{background-color:#dadada}.fs-answer-sheet .fs-answer-sheet-demo.answered{background-color:var(--color-primary)}.fs-answer-sheet .fs-answer-sheet-item{height:2.5rem;border-radius:.375rem;display:block;display:flex;align-items:center;justify-content:center;overflow:hidden;color:#fff;cursor:pointer}.fs-answer-sheet .fs-answer-sheet-item.unanswered{background-color:#dadada}.fs-answer-sheet .fs-answer-sheet-item.answered{background-color:var(--color-primary)}.fs-answer-sheet-submission{min-height:300px}.fs-answer-sheet-submission .fs-answer-sheet-submission-demo{height:.8rem;width:.8rem;display:inline-block;vertical-align:middle}.fs-answer-sheet-submission .fs-answer-sheet-submission-demo.correct{background-color:var(--color-success)}.fs-answer-sheet-submission .fs-answer-sheet-submission-demo.incorrect{background-color:var(--color-danger)}.fs-answer-sheet-submission .fs-answer-sheet-submission-demo.unanswered{background-color:#dadada}.fs-answer-sheet-submission .fs-answer-sheet-submission-item{height:2.5rem;border-radius:.375rem;display:block;display:flex;align-items:center;justify-content:center;overflow:hidden;color:#fff;cursor:pointer}.fs-answer-sheet-submission .fs-answer-sheet-submission-item.correct{background-color:var(--color-success)}.fs-answer-sheet-submission .fs-answer-sheet-submission-item.incorrect{background-color:var(--color-danger)}.fs-answer-sheet-submission .fs-answer-sheet-submission-item.unanswered{background-color:#dadada}.fs-answer-sheet-submission .fs-answer-sheet-submission-item.answered{background-color:#fff;border:1px solid var(--color-border);color:var(--color-text-secondary)}.breadcrumbs{display:flex;gap:0 .5rem;align-items:center;flex-wrap:wrap;font-size:var(--size-text-sm)}.breadcrumbs 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#d9d9d9;border-top-color:transparent;border-radius:50%;animation:loading-mask-spinner 1s linear infinite}.loading-mask-container{min-height:2rem}.progress{display:flex;gap:.5rem;align-items:center}.progress .progress-bg{flex-grow:1;height:.5rem;border-radius:.2rem;background:var(--color-border)}.progress .progress-bg .progress-line{border-radius:.2rem;height:.5rem;background:var(--color-primary)}.fs-ring{display:inline-flex;flex-direction:column;align-items:center;gap:8px;width:100%}.fs-ring .fs-ring-bg{stroke:var(--color-primary-soft, #e8edf5)}.fs-ring .fs-ring-fill{stroke:var(--color-primary)}.fs-ring .fs-ring-svg{position:relative;width:100%}.fs-ring .fs-ring-svg svg{display:block;width:100%;height:auto}.fs-ring .fs-ring-svg .fs-ring-label{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);text-align:center;display:flex;flex-direction:column;align-items:center;gap:2px}.fs-ring .fs-ring-svg .fs-ring-label .fs-ring-percent{font-size:18px;font-weight:600;color:var(--color-text);line-height:1}.fs-ring .fs-ring-svg .fs-ring-label .fs-ring-label-text{font-size:12px;color:var(--color-text-secondary)}.prompt{padding:2rem 1rem;display:flex;flex-direction:column;align-items:center;justify-content:center}.prompt .prompt-icon{height:80px;width:80px;background-position:center;background-size:contain}.prompt 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.user-nickname{font-weight:700;font-size:16px;color:#0f1323;line-height:21px;text-align:left;font-style:normal}.fs-me-mobile-page .user-info .user-badge{background:#dbe4ff;border-radius:10px;border:1px solid rgba(255,255,255,.7);padding:2.5px 10px;font-size:12px}.fs-me-mobile-page .card.learning-card .learning-new-box{background:#eff6ff;border-radius:9px;font-size:12px;color:#3283eb;line-height:16px;text-align:center;font-style:normal;display:flex;align-items:center;gap:5px;padding:3px 9px}.fs-me-mobile-page .card.learning-card .learning-new-box>.rise-icon{width:14px}.fs-me-pc-page .stat-cell{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:8px;border-radius:8px;padding:16px 8px;text-align:center;aspect-ratio:1}.fs-me-pc-page .stat-cell .stat-num{font-size:24px;font-weight:700;line-height:1;color:var(--color-text)}.fs-me-pc-page .stat-cell .stat-label{font-size:13px;color:var(--color-text-secondary);line-height:1}.fs-me-pc-page .stat-cell.stat-gray{background:#f5f5f5}.fs-me-pc-page .stat-cell.stat-green{background:#e8f5e9}.fs-me-pc-page .stat-cell.stat-green .stat-num,.fs-me-pc-page .stat-cell.stat-green .stat-label{color:var(--color-success)}.fs-me-pc-page .stat-cell.stat-yellow{background:#fff8e1}.fs-me-pc-page .stat-cell.stat-yellow .stat-num,.fs-me-pc-page .stat-cell.stat-yellow .stat-label{color:var(--color-warning)}.fs-me-pc-page .ring-cell{display:flex;justify-content:center;align-items:center;width:100%}.weekly-bar-chart{display:flex;align-items:flex-end;gap:12px;width:400px;height:150px;flex-shrink:0}.weekly-bar-chart .bar-item{display:flex;flex-direction:column;align-items:center;gap:8px;flex:1;height:100%}.weekly-bar-chart .bar-item .bar-bg{width:100%;flex:1;background:#f0f7ff;border-radius:6px;position:relative;overflow:hidden}.weekly-bar-chart .bar-item .bar-fill{position:absolute;bottom:0;left:0;width:100%;border-radius:6px}.weekly-bar-chart .bar-item .bar-fill-light{background:#a1c6f8}.weekly-bar-chart .bar-item .bar-fill-dark{background:#428cf6}.weekly-bar-chart .bar-item .bar-label{font-size:13px;color:var(--color-text-secondary);line-height:1}.fs-me-learning-records-page .learning-records-monthly-duration{font-size:14px;color:#666}.fs-me-learning-records-page .learning-record-mobile-card .learning-record-mobile-title{color:var(--color-text);word-break:break-word;flex:1;padding-right:16px}.fs-me-exam-records-page .exam-name-link{color:var(--color-primary);cursor:pointer}.fs-me-exam-records-page .exam-name-link:hover{text-decoration:underline}.fs-me-exam-records-page .exam-records-monthly-count{font-size:14px;color:#666}.fs-me-exam-records-page .exam-record-mobile-card .exam-record-mobile-title{color:var(--color-text)}.not-found-page{width:600px;padding:16px;margin:0 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