:root,.cd-exam{--cd-fs:16px;--cd-fg:#000;--cd-bg:#fff;--cd-muted:#333;--cd-soft:#535353;--cd-rule:#00000080;--cd-line:#d5d5d5;--cd-input-border:#535353;--cd-input-bg:#fff;--cd-active:#418ec8;--cd-active-strong:#0e98f0;--cd-part-bg:#f1f2ec;--cd-part-border:#d5d5d5;--cd-selected-bg:#bbd8f0;--cd-bar:#d7d7d7;--cd-attempted:#358e14;--cd-next-bg:#000;--cd-prev-bg:#4c4c4c;--cd-prev-disabled:#ddd;--cd-arrow-fg:#fff;--cd-tick-bg:#efefef;--cd-handle-bg:#f9f9f9;--cd-chip-border:#919191;--cd-drop-border:#333;--cd-highlight-bg:#7d4a5a;--cd-highlight-fg:#fff;--cd-note-bg:#204ccf;--cd-note-selected:#1e46be;--cd-note-fg:#fff;--cd-panel-bg:#e8e8e8;--cd-submit:#e31837;--cd-submit-fg:#fff;--cd-toolbar-fg:#535353}.cd-exam{font-family:Arial,sans-serif;font-size:var(--cd-fs);color:var(--cd-fg);background:var(--cd-bg);line-height:1.5}.cd-exam[data-size=large]{--cd-fs:19px}.cd-exam[data-size=xlarge]{--cd-fs:22px}.cd-exam[data-contrast=inverted]{--cd-fg:#fff;--cd-bg:#000;--cd-muted:#fff;--cd-soft:#fff;--cd-rule:#fff9;--cd-line:#fff;--cd-input-border:#c1c1c1;--cd-input-bg:#000;--cd-active:#f5a623;--cd-active-strong:#f5a623;--cd-part-bg:#000;--cd-part-border:#fff;--cd-selected-bg:#3a3a3a;--cd-bar:#666;--cd-attempted:#5cd62c;--cd-next-bg:#fff;--cd-prev-bg:#9a9a9a;--cd-prev-disabled:#4a4a4a;--cd-arrow-fg:#000;--cd-tick-bg:#333;--cd-handle-bg:#000;--cd-chip-border:#c1c1c1;--cd-drop-border:#fff;--cd-panel-bg:#1a1a1a;--cd-toolbar-fg:#fff}.cd-exam[data-contrast=yellow]{--cd-fg:#ff0;--cd-bg:#000;--cd-muted:#ff0;--cd-soft:#ff0;--cd-rule:#ff0;--cd-line:#ff0;--cd-input-border:#ff0;--cd-input-bg:#000;--cd-active:#ff0;--cd-active-strong:#ff0;--cd-part-bg:#000;--cd-part-border:#ff0;--cd-selected-bg:#4d4d00;--cd-bar:#807f00;--cd-attempted:#ff0;--cd-next-bg:#ff0;--cd-prev-bg:#b3b300;--cd-prev-disabled:#4d4d00;--cd-arrow-fg:#000;--cd-tick-bg:#330;--cd-handle-bg:#000;--cd-chip-border:#ff0;--cd-drop-border:#ff0;--cd-highlight-bg:#ff0;--cd-highlight-fg:#000;--cd-note-bg:#ff0;--cd-note-selected:#ff0;--cd-note-fg:#000;--cd-panel-bg:#000;--cd-submit:#ff0;--cd-submit-fg:#000;--cd-toolbar-fg:#ff0}.cd-exam *,.cd-exam :before,.cd-exam :after{box-sizing:border-box}.cd-header{background:var(--cd-bg);border-bottom:1px solid var(--cd-line);flex:none;align-items:center;gap:24px;height:56px;padding:0 16px;display:flex}.cd-icon-btn{width:44px;height:44px;color:var(--cd-fg);cursor:pointer;background:0 0;border:0;justify-content:center;align-items:center;display:inline-flex}.cd-icon-btn:focus-visible{outline:2px solid var(--cd-active);outline-offset:-2px}.cd-exam[data-contrast=inverted] .cd-logo,.cd-exam[data-contrast=yellow] .cd-logo{filter:brightness(0)invert()}.cd-part{background:var(--cd-part-bg);border:.8px solid var(--cd-part-border);border-radius:4px;flex:none;margin:16px;padding:12px 16px}.cd-part-title{margin:0 0 4px;font-weight:700;line-height:normal}.cd-pane{min-width:0;height:100%;padding:24px 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3px;font-weight:700;line-height:1;display:inline-block}.cd-qnum.is-active{border-color:var(--cd-active)}.cd-question{margin-bottom:24px}.cd-group-instructions+div>.cd-question:first-child{margin-top:-5.4px}.cd-stem{align-items:baseline;gap:4px;display:flex}.cd-options{margin:10.8px 0 24px;padding:0 0 0 8px;list-style:none}.cd-option{cursor:pointer;border-radius:3px 3px 0 0;align-items:center;gap:8px;min-height:43px;margin-bottom:1px;padding:0 8px 0 0;display:flex}.cd-option input{width:13px;height:13px;accent-color:var(--cd-active);cursor:pointer;flex:none;margin:0 0 0 5px}.cd-option.is-selected{background:var(--cd-selected-bg)}.cd-gap-input{vertical-align:baseline;width:172px;max-width:100%;height:1.4em;font:inherit;text-align:center;color:var(--cd-fg);background:var(--cd-input-bg);border:.8px solid var(--cd-input-border);border-radius:3px;outline:none;margin:0 6px;padding:0 8px;display:inline-block}.cd-gap-input::placeholder{color:var(--cd-fg);opacity:1;font-weight:700}.cd-gap-input.is-active,.cd-gap-input:focus{border-color:var(--cd-active)}.cd-chip{max-width:100%;color:var(--cd-fg);background:var(--cd-bg);border:.8px solid var(--cd-chip-border);cursor:grab;-webkit-user-select:none;user-select:none;border-radius:3px;align-items:center;padding:2px 8px;font-size:.875em;line-height:1.35;display:inline-flex}.cd-chip.is-heading{border-radius:4px;padding:6px 8px;font-size:1em;font-weight:700}.cd-chip.is-picked,.cd-chip:focus-visible{outline:2px solid var(--cd-active-strong);outline-offset:1px}.cd-chip-slot{visibility:hidden}.cd-drop{vertical-align:middle;min-width:94px;min-height:27px;color:var(--cd-fg);background:var(--cd-bg);border:.8px dashed var(--cd-drop-border);cursor:pointer;border-radius:0;justify-content:center;align-items:center;margin:0 4px;padding:0 4px;font-weight:700;display:inline-flex}.cd-drop.is-active{border:1.6px dashed var(--cd-active)}.cd-drop.is-over{border-color:var(--cd-active-strong);border-style:solid}.cd-drop.is-filled{border:.8px dashed #0000;padding:2px;font-weight:400}.cd-drop.is-filled .cd-chip{border-color:var(--cd-active-strong)}.cd-drop.is-block{width:100%;max-width:492px;margin:4px 0 12px;display:flex}.cd-grid-panel{border:.8px solid var(--cd-fg);max-width:100%;padding:16px;display:inline-block}.cd-grid{border-collapse:collapse}.cd-grid th,.cd-grid td{vertical-align:top;padding:8px 10px}.cd-grid thead th{border-bottom:1.6px solid var(--cd-fg);text-align:center;font-weight:700}.cd-grid tbody tr+tr td,.cd-grid tbody tr+tr th{border-top:.8px solid var(--cd-fg)}.cd-grid .cd-grid-letter{text-align:center;border-left:1.6px solid var(--cd-fg);width:39px}.cd-grid input{width:13px;height:13px;accent-color:var(--cd-active);cursor:pointer;margin:3px 0 0}.cd-legend{border-collapse:collapse;border:.8px solid var(--cd-fg);margin-top:16px}.cd-legend th{text-align:left;padding:16px 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#c5c5c5;width:10px;height:10px;position:absolute;top:-6px;left:50%;transform:translate(-50%)rotate(45deg)}.cd-toolbar button{color:var(--cd-toolbar-fg);font:inherit;cursor:pointer;background:0 0;border:0;flex-direction:column;align-items:center;gap:2px;padding:6px 12px;font-size:.875em;line-height:1.1;display:flex;position:relative}.cd-toolbar button:hover{color:var(--cd-fg)}.cd-notes{background:var(--cd-panel-bg);border-left:1px solid var(--cd-line);flex-direction:column;flex:none;width:300px;display:flex}.cd-notes-head{background:var(--cd-bg);border-bottom:4px solid var(--cd-line);flex:none;justify-content:space-between;align-items:center;height:56px;padding:0 8px 0 16px;display:flex}.cd-note-card{background:var(--cd-bg);color:var(--cd-fg);margin:0 0 4px;padding:16px 16px 12px}.cd-note-card.is-active{background:var(--cd-note-selected);color:var(--cd-note-fg)}.cd-note-card textarea{width:100%;min-height:54px;font:inherit;color:#000;resize:vertical;background:#fff;border:1px solid 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.cd-row-icon{color:inherit}.cd-options-row .cd-row-label{flex:1}.cd-arrows{z-index:20;display:flex;position:absolute;bottom:69px;right:32px}.cd-arrow{width:54px;height:56px;color:var(--cd-arrow-fg);cursor:pointer;border:0;border-radius:3px;justify-content:center;align-items:center;margin-left:2.4px;display:flex}.cd-arrow.is-next{background:var(--cd-next-bg)}.cd-arrow.is-prev{background:var(--cd-prev-bg)}.cd-arrow:disabled{background:var(--cd-prev-disabled);cursor:default}.cd-footer{background:var(--cd-bg);height:53px;color:var(--cd-muted);flex:none;align-items:stretch;line-height:normal;display:flex}.cd-footer-part{color:var(--cd-muted);font:inherit;cursor:pointer;background:0 0;border:0;align-items:center;display:flex}.cd-footer-part.is-current{cursor:default;flex:none;padding:0 20px 0 0}.cd-footer-part.is-collapsed{flex:1;justify-content:center;gap:12px;padding:16px 20px}.cd-footer-part-label{padding:16px 20px;font-weight:600}.cd-footer-part.is-collapsed 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0;line-height:24px}.cd-exam[data-module=writing] .cd-arrows{bottom:35px}.cd-exam[data-module=speaking][data-contrast=normal]{--cd-active:var(--color-brand,#178f8b);--cd-attempted:var(--color-brand,#178f8b);--cd-next-bg:var(--color-brand,#178f8b);--cd-part-bg:var(--color-brand-light,#e3f5f4);--cd-part-border:#cfe6e4}.cd-exam[data-module=speaking]{--cd-stage-bg:linear-gradient(160deg, #f8fcfc 0%, #eef8f7 55%, #e3f5f4 100%);--cd-stage-border:#cfe6e4;--cd-stage-shadow:0 1px 2px #16243f0a, 0 10px 28px #16243f12;--cd-stage-ink:var(--color-brand-dark,#16243f);--cd-stage-muted:#4d6472;--cd-avatar-bg:linear-gradient(145deg, #eef8f7 0%, #c9e7e4 100%);--cd-avatar-ink:#2f7471;--cd-accent:var(--color-brand,#178f8b);--cd-live:var(--color-brand-accent,#3aa7a9);--cd-rec:var(--color-brand,#178f8b);--cd-alert:var(--color-brand-dark,#16243f);--cd-tile-bg:#fff}.cd-exam[data-module=speaking][data-contrast=inverted],.cd-exam[data-module=speaking][data-contrast=yellow]{--cd-stage-bg:var(--cd-bg);--cd-stage-border:var(--cd-fg);--cd-stage-shadow:none;--cd-stage-ink:var(--cd-fg);--cd-stage-muted:var(--cd-fg);--cd-avatar-bg:var(--cd-bg);--cd-avatar-ink:var(--cd-fg);--cd-tile-bg:var(--cd-bg);--cd-accent:var(--cd-fg);--cd-live:var(--cd-fg);--cd-rec:var(--cd-fg);--cd-alert:var(--cd-fg)}.cd-exam[data-module=speaking][data-contrast=inverted] .cd-examiner-state,.cd-exam[data-module=speaking][data-contrast=yellow] .cd-examiner-state{background:var(--cd-bg)}.cd-exam[data-module=speaking][data-contrast=inverted] .cd-mic-bars>span:not(.is-lit),.cd-exam[data-module=speaking][data-contrast=yellow] .cd-mic-bars>span:not(.is-lit){outline:1px solid var(--cd-fg);background:0 0}.cd-speak{flex-direction:column;flex:1;min-height:0;padding:0 16px 16px;display:flex;overflow-y:auto}.cd-speak-note{margin:auto}.cd-speak-question{margin:0 0 12px;font-weight:700}.cd-speak-split{flex:1;gap:16px;min-height:0;display:flex}.cd-speak-split>.cd-stage{flex:1;min-width:0}.cd-stage{border:1px solid var(--cd-stage-border);background:var(--cd-stage-bg);min-height:0;box-shadow:var(--cd-stage-shadow);color:var(--cd-stage-ink);border-radius:12px;flex-direction:column;flex:1;display:flex;overflow:hidden}.cd-stage-call{flex:1;justify-content:center;align-items:center;min-height:250px;padding:24px;display:flex;position:relative}.cd-examiner{text-align:center;flex-direction:column;align-items:center;display:flex}.cd-examiner-avatar{background:var(--cd-avatar-bg);width:124px;height:124px;color:var(--cd-avatar-ink);border-radius:50%;justify-content:center;align-items:center;display:flex;position:relative;box-shadow:inset 0 0 0 1px #1018280f,0 6px 18px #10182814}.cd-examiner-avatar:before,.cd-examiner-avatar:after{content:"";border:2px solid var(--cd-accent);opacity:0;border-radius:50%;position:absolute;inset:-6px}.cd-examiner.is-speaking .cd-examiner-avatar:before{opacity:1}.cd-examiner.is-speaking .cd-examiner-avatar:after{animation:1.6s ease-out infinite cd-halo}@keyframes cd-halo{0%{opacity:.55;transform:scale(1)}to{opacity:0;transform:scale(1.22)}}.cd-examiner-name{margin:16px 0 4px;font-size:1.1em;font-weight:700}.cd-examiner-state{border:1px solid var(--cd-stage-border);color:var(--cd-stage-muted);background:#ffffffbf;border-radius:999px;align-items:center;gap:8px;margin:0;padding:3px 12px;font-size:.875em;display:inline-flex}.cd-examiner.is-speaking .cd-examiner-state{color:var(--cd-accent)}.cd-examiner.is-listening .cd-examiner-state{color:var(--cd-live)}.cd-state-dot{background:currentColor;border-radius:50%;width:8px;height:8px}.cd-voice-bars{align-items:center;gap:2px;height:14px;display:inline-flex}.cd-voice-bars>span{background:currentColor;border-radius:2px;width:3px;height:100%;animation:.9s ease-in-out infinite cd-voice}.cd-voice-bars>span:nth-child(2){animation-delay:.15s}.cd-voice-bars>span:nth-child(3){animation-delay:.3s}.cd-voice-bars>span:nth-child(4){animation-delay:.45s}@keyframes cd-voice{0%,to{transform:scaleY(.35)}50%{transform:scaleY(1)}}.cd-self{border:1px solid var(--cd-stage-border);background:var(--cd-tile-bg);min-width:200px;color:var(--cd-stage-ink);border-radius:10px;flex-direction:column;align-items:center;gap:8px;padding:14px 16px 12px;transition:border-color .15s,box-shadow .15s;display:flex;position:absolute;bottom:16px;right:16px;box-shadow:0 6px 18px #1018281a}.cd-self.is-talking{border-color:var(--cd-accent);box-shadow:0 0 0 3px #178f8b38,0 6px 18px #1018281a}.cd-self-avatar{background:var(--cd-avatar-bg);width:44px;height:44px;color:var(--cd-stage-ink);border-radius:50%;justify-content:center;align-items:center;font-size:.85em;font-weight:700;display:flex}.cd-self-label{white-space:nowrap;border:1px solid var(--cd-stage-border);background:var(--cd-tile-bg);color:var(--cd-stage-muted);border-radius:999px;align-items:center;gap:6px;padding:2px 8px;font-size:.75em;display:inline-flex}.cd-mic-bars{align-items:flex-end;gap:3px;height:22px;display:flex}.cd-mic-bars>span{background:#cfe6e4;border-radius:2px;width:4px}.cd-mic-bars>span.is-lit{background:var(--cd-live)}.cd-rec-dot{background:var(--cd-rec);border-radius:50%;flex:none;width:9px;height:9px;animation:1s ease-in-out infinite cd-rec;display:inline-block}@keyframes cd-rec{50%{opacity:.35}}@media (prefers-reduced-motion:reduce){.cd-examiner.is-speaking .cd-examiner-avatar:after,.cd-voice-bars>span,.cd-rec-dot{animation:none}}.cd-stage-bar{border-top:1px solid var(--cd-stage-border);background:var(--cd-tile-bg);flex-wrap:wrap;flex:none;justify-content:center;align-items:center;gap:16px;min-height:84px;padding:12px 20px;display:flex}.cd-stage-text{text-align:center;max-width:34em}.cd-speak-turn{font-weight:700}.cd-speak-error{color:var(--cd-alert);font-weight:700}.cd-exam[data-contrast=inverted] .cd-speak-error,.cd-exam[data-contrast=yellow] .cd-speak-error{color:inherit;font-weight:700}.cd-ring{flex:none;width:60px;height:60px;display:inline-flex;position:relative}.cd-ring-track{fill:none;stroke:var(--cd-stage-border);stroke-width:4px}.cd-ring-value{fill:none;stroke:var(--cd-accent);stroke-width:4px;stroke-linecap:round;transition:stroke-dashoffset .25s linear}.cd-ring-time{font-variant-numeric:tabular-nums;justify-content:center;align-items:center;font-size:.875em;font-weight:700;display:flex;position:absolute;inset:0}.cd-topic-card{border:1px solid var(--cd-stage-border);background:var(--cd-tile-bg);box-shadow:var(--cd-stage-shadow);color:var(--cd-fg);border-radius:12px;flex:0 0 42%;padding:24px 28px;animation:.45s ease-out both cd-card-in;overflow-y:auto}@keyframes cd-card-in{0%{opacity:0;transform:translate(-24px)}to{opacity:1;transform:none}}@media (prefers-reduced-motion:reduce){.cd-topic-card{animation:none}}.cd-topic-card.is-preparing{border-color:var(--cd-accent);box-shadow:0 0 0 3px #178f8b2e, var(--cd-stage-shadow)}.cd-topic-label{color:var(--cd-stage-muted);letter-spacing:.08em;text-transform:uppercase;margin:0 0 12px;font-size:.75em;font-weight:700}.cd-topic-title{margin:0 0 16px;font-size:1.15em;font-weight:700;line-height:1.35}.cd-topic-card ul{margin:8px 0 0;padding-left:24px;list-style:outside}.cd-topic-card li{margin-bottom:6px}.cd-topic-card li.is-pending{visibility:hidden}.cd-topic-card li.is-shown{animation:.35s ease-out both cd-bullet-in}@keyframes cd-bullet-in{0%{opacity:0;transform:translateY(4px)}to{opacity:1;transform:none}}@media (prefers-reduced-motion:reduce){.cd-topic-card li.is-shown{animation:none}}.cd-topic-rule{border-top:1px solid var(--cd-stage-border);color:var(--cd-stage-muted);margin:20px 0 0;padding-top:14px;font-size:.875em}.cd-btn-plain{border:1px solid var(--cd-fg);background:var(--cd-bg);color:var(--cd-fg);font:inherit;cursor:pointer;border-radius:3px;align-items:center;gap:10px;padding:11px 23px;display:inline-flex}.cd-exam[data-module=speaking][data-contrast=normal] .cd-btn-black{background:linear-gradient(180deg, var(--color-brand-accent,#3aa7a9), var(--color-brand,#178f8b));box-shadow:0 2px 6px #178f8b40}.cd-exam[data-module=speaking][data-contrast=normal] .cd-btn-black:hover:not(:disabled){filter:brightness(1.05)}.cd-exam[data-module=speaking][data-contrast=normal] .cd-btn-plain{border-color:var(--color-brand,#178f8b);color:var(--color-brand,#178f8b)}.cd-btn-plain:disabled{opacity:.6;cursor:default}.cd-footer.is-even .cd-footer-part{flex:1 1 0;justify-content:center;gap:12px;min-width:0;margin:0 1px;padding:0 20px}.cd-footer.is-even .cd-footer-part-label,.cd-footer.is-even .cd-footer-count{padding:8px 0 0;line-height:26px}.cd-footer.is-even .cd-footer-num{justify-content:center;align-items:center;display:inline-flex}.cd-footer.is-readonly .cd-footer-part,.cd-footer.is-readonly .cd-footer-num{cursor:default}.cd-speak-check{width:100%;max-width:720px;margin:0 auto;padding-top:16px}.cd-check{border:.8px solid var(--cd-part-border);border-radius:4px;flex-direction:column;gap:20px;padding:24px;display:flex}.cd-check-title{margin:0 0 8px;font-size:1.1em;font-weight:700}.cd-check-list{flex-direction:column;gap:8px;margin:0;padding:0;list-style:none;display:flex}.cd-check-list li{align-items:center;gap:10px;display:flex}.cd-check-box{border:1.6px solid var(--cd-soft);border-radius:3px;flex:none;justify-content:center;align-items:center;width:20px;height:20px;font-size:.8em;font-weight:700;display:inline-flex}.cd-check-list li.is-done .cd-check-box{border-color:var(--cd-attempted);background:var(--cd-attempted);color:#fff}.cd-check-msg{border-left:4px solid var(--cd-soft);background:var(--cd-part-bg);margin:0;padding:12px 16px}.cd-check-msg.is-error{border-left-color:var(--color-brand,#178f8b);color:var(--color-brand-dark,#16243f)}.cd-check-msg.is-ok{border-left-color:var(--cd-attempted)}.cd-check-sentence{border:.8px solid var(--cd-part-border);background:var(--cd-part-bg);border-radius:4px;margin:0;padding:12px 16px;font-weight:700}.cd-exam[data-contrast=inverted] .cd-check-msg,.cd-exam[data-contrast=yellow] .cd-check-msg,.cd-exam[data-contrast=inverted] .cd-check-sentence,.cd-exam[data-contrast=yellow] .cd-check-sentence{background:0 0}.cd-select{max-width:24rem;font:inherit;color:var(--cd-fg);background:var(--cd-input-bg);border:.8px solid var(--cd-input-border);border-radius:3px;padding:6px 8px}.cd-level{border:.8px solid var(--cd-soft);border-radius:3px;width:100%;max-width:20rem;height:10px;overflow:hidden}.cd-level-fill{background:var(--cd-attempted);height:100%;transition:width .1s}