.ol-root{color:#333;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;font-size:14px;line-height:1.55}.ol-root *{box-sizing:border-box}.ol-root h2,.ol-root h3,.ol-root p{margin:0}.ol-root button{font:inherit;cursor:pointer}.ol-root button:disabled{opacity:.5;cursor:not-allowed}.ol-root button:focus-visible,.ol-root summary:focus-visible,.ol-root textarea:focus-visible{outline:3px solid #8fc6ff;outline-offset:3px}.ol-lecture-layout{display:flex;gap:20px;padding:20px;min-height:620px}.ol-lecture-left{width:380px;max-width:41%;display:flex;flex-direction:column;gap:16px;flex-shrink:0}.ol-lecture-right{flex:1;min-width:0;display:flex;flex-direction:column;background:#fff;border-radius:16px;border:1px solid #edf0f3;padding:24px;position:relative}.ol-lecture-tip-card{background:linear-gradient(135deg,#fff5f5,#ffe6e6);border-radius:16px;padding:18px;border:1px solid #ffd6d6}.ol-lecture-tip-header{display:flex;justify-content:space-between;align-items:flex-start;gap:12px}.ol-lecture-tip-title{font-size:17px!important;font-weight:700;color:#1a1a1a;margin-bottom:8px!important;line-height:1.5}.ol-lecture-tip-desc{font-size:13px;color:#666;line-height:1.6}.ol-lecture-tip-icon{width:56px;height:56px;border-radius:12px;background:linear-gradient(135deg,#ff9f9f,#ff6b6b);display:flex;align-items:center;justify-content:center;font-size:28px;flex-shrink:0;box-shadow:0 4px 10px #ff6b6b40}.ol-question-list{display:flex;flex-direction:column;gap:12px}.ol-q-card{width:100%;background:#fff;border:1px solid #e8ecf2;border-radius:12px;padding:14px 16px;text-align:left;position:relative;transition:border-color .2s,background .2s;color:inherit}.ol-q-card:hover{border-color:#c8ddf5;background:#f8fbff}.ol-q-card.ol-active{border-color:#1a6fc4;background:#f0f7ff}.ol-q-card.ol-active:after{content:'✓';position:absolute;right:12px;bottom:12px;width:20px;height:20px;border-radius:50%;background:#1a6fc4;color:#fff;font-size:11px;display:flex;align-items:center;justify-content:center}.ol-q-tag{display:inline-block;background:#1a6fc4;color:#fff;padding:2px 8px;border-radius:4px;font-size:12px;font-weight:600}.ol-q-title{font-size:15px;font-weight:700;color:#1a1a1a;margin:8px 0 6px}.ol-q-stem{font-size:13px;color:#555;line-height:1.7;margin-bottom:10px;overflow-wrap:anywhere}.ol-q-answer-row{display:flex;gap:5px 16px;font-size:13px;flex-wrap:wrap;padding-right:12px}.ol-student-answer{color:#1a6fc4}.ol-correct-answer{color:#368613}.ol-lecture-hint-box{background:#fafbfc;border-radius:12px;padding:16px;border:1px solid #f0f0f0}.ol-lecture-hint-box h3{font-size:15px;font-weight:700;color:#1a1a1a;margin-bottom:10px}.ol-lecture-hint-box>p{font-size:13px;color:#555;line-height:1.8}.ol-lecture-hint-box>.ol-small-note{font-size:11px;margin-top:12px;color:#7f8d9e}.ol-recorder-area{flex:1;min-height:370px;display:flex;flex-direction:column;align-items:center;justify-content:center;padding:16px 0 22px}.ol-mic-btn{width:130px;height:130px;border-radius:50%;background:linear-gradient(135deg,#4aa3f5,#1a6fc4);display:flex;align-items:center;justify-content:center;box-shadow:0 10px 30px #1a6fc459,inset 0 -4px 12px #0000001a;transition:transform .2s;margin-bottom:18px;border:6px solid #e8f4ff}.ol-mic-btn:hover{transform:scale(1.03)}.ol-mic-btn.ol-recording{animation:ol-mic-pulse 1.5s ease-in-out infinite;background:linear-gradient(135deg,#ff6b6b,#ff4d4f);border-color:#ffe6e6}.ol-mic-icon{width:52px;height:72px;fill:#fff}.ol-stop-icon{display:block;width:35px;height:35px;border-radius:7px;background:white}.ol-recorder-title{font-size:18px!important;font-weight:700;color:#1a1a1a;margin-bottom:8px!important;text-align:center}.ol-recorder-desc{font-size:14px;color:#888;text-align:center;max-width:360px;line-height:1.6}.ol-recorder-timer{font-size:28px;font-weight:800;color:#1a6fc4;margin-top:12px;font-variant-numeric:tabular-nums;min-height:36px}.ol-upload-audio{font-size:13px!important;color:#1a6fc4;border:0;background:none;padding:8px 12px;margin-top:8px;text-decoration:underline;text-underline-offset:3px}.ol-small-note{font-size:11px!important;color:#8490a0!important;line-height:1.7!important}.ol-audio-saved{width:100%;max-width:480px;background:#f2f8ff;border:1px solid #dfecfb;border-radius:10px;padding:12px;margin:12px 0 5px}.ol-audio-caption{font-size:12px;color:#3c779c;overflow-wrap:anywhere}.ol-audio-preview{width:100%;height:36px;margin-top:8px}.ol-audio-links{display:flex;gap:14px;justify-content:center;flex-wrap:wrap;margin-top:6px}.ol-audio-links>button{border:0;background:none;color:#1a6fc4;font-size:12px;padding:4px}.ol-transcript-check{border:1px solid #e8ecf2;border-radius:10px;background:#fbfcfe;margin:0 0 14px}.ol-transcript-check>summary{font-size:13px;font-weight:600;color:#426b99;cursor:pointer;padding:12px 14px;min-height:44px}.ol-transcript-check>summary>span{float:right;font-size:11px;font-weight:400;color:#8292a5}.ol-transcript-check-body{padding:0 14px 14px}.ol-transcript-check-body>label{display:block;font-size:12px;color:#65768a;margin:10px 0 6px}.ol-transcript-input{display:block;resize:vertical;min-height:105px;width:100%;border:1px solid #d8e2ee;border-radius:8px;background:white;color:#36485f;padding:10px;font:13px/1.7 inherit}.ol-check-bottom{display:flex;justify-content:space-between;align-items:center;gap:8px;font-size:11px;color:#8490a0}.ol-demo-transcript{border:0;background:none;color:#1a6fc4;font-size:12px;padding:9px 0}.ol-lecture-bottom-bar{display:flex;justify-content:space-between;align-items:center;gap:16px;margin-top:auto;padding-top:16px;border-top:1px solid #f0f3f7}.ol-lecture-hint-line{font-size:12px;color:#888;display:flex;align-items:center;gap:6px}.ol-lecture-hint-line>span:first-child{font-size:17px}.ol-lecture-hint-line small{font-size:10px;color:#9aa6b5}.ol-btn{padding:11px 26px;border-radius:8px;font-size:14px!important;font-weight:600;min-height:44px;border:0;transition:background .2s;white-space:nowrap}.ol-primary{background:#1a6fc4;color:#fff}.ol-primary:hover{background:#135a9e}.ol-secondary{background:#fff;color:#1a6fc4;border:1px solid #1a6fc4}.ol-secondary:hover{background:#f0f7ff}.ol-info{font-size:12px!important;background:#eff7ff;border:1px solid #d8eafa;color:#44749e;padding:10px 12px;border-radius:9px}.ol-result-view{display:flex;flex-direction:column;padding:20px;gap:16px}.ol-score-banner{display:flex;align-items:center;gap:24px;background:linear-gradient(135deg,#e8f4ff,#d4e8fa);border-radius:16px;padding:20px 28px;border:1px solid #c8ddf5}.ol-grade-hero{display:flex;flex-direction:column;align-items:center;gap:10px;flex-shrink:0}.ol-grade-circle{width:130px;height:130px;border-radius:50%;background:radial-gradient(circle at 50% 46%,#fff 0%,#eef6ff 52%,#d9ebff 100%);display:flex;flex-direction:column;align-items:center;justify-content:center;box-shadow:inset 0 0 0 10px #1a6fc40d}.ol-grade-letter{font-size:56px;font-weight:800;color:#2b8de6;line-height:1}.ol-grade-label{font-size:12px;color:#888;margin-top:6px}.ol-grade-score{font-size:11px;color:#6f8eaf}.ol-score-info{flex:1;min-width:0}.ol-score-title{font-size:24px!important;font-weight:800!important;color:#1a1a1a;margin-bottom:8px!important;line-height:1.5!important}.ol-score-subtitle{font-size:14px!important;color:#555;margin-bottom:14px!important}.ol-result-layout{display:flex;gap:20px;min-height:0}.ol-result-left{width:360px;max-width:40%;background:#fff;border-radius:16px;padding:20px;border:1px solid #f0f0f0;display:flex;flex-direction:column;gap:16px;flex-shrink:0}.ol-result-right{flex:1;min-width:0;background:#fff;border-radius:16px;padding:20px;border:1px solid #f0f0f0;display:flex;flex-direction:column}.ol-result-section-card{background:#fafbfc;border-radius:12px;padding:16px;border:1px solid #f0f0f0}.ol-result-section-card>h3{font-size:16px!important;font-weight:700;color:#1a1a1a;margin-bottom:10px;display:flex;align-items:center;gap:8px}.ol-result-section-text{font-size:13px;color:#555;line-height:1.8}.ol-result-section-text>p+p{margin-top:10px}.ol-result-section-text b{font-size:13px;color:#38608a;font-weight:600}.ol-result-question-card{background:#fff;border:1px solid #e8ecf2;border-radius:12px;padding:14px 16px;margin-bottom:16px;display:flex;gap:14px;align-items:flex-start}.ol-rq-media{width:80px;height:80px;border-radius:8px;flex-shrink:0;background:#f0f7fe;border:1px solid #e2edf9;display:flex;flex-direction:column;align-items:center;justify-content:center;font-size:11px;color:#74a0c8}.ol-rq-media>span:first-child{font-size:32px;font-weight:800;line-height:1.4}.ol-rq-body{flex:1;min-width:0}.ol-transcript-title{font-size:16px;font-weight:700;color:#1a1a1a;margin-bottom:7px}.ol-transcript-source{font-size:11px!important;color:#8a9aaf;margin-bottom:10px!important;line-height:1.7}.ol-transcript-box{flex:1;min-height:190px;background:#fafbfc;border-radius:12px;padding:16px;border:1px solid #f0f0f0;overflow:auto;font-size:14px;color:#555;line-height:1.9;overflow-wrap:anywhere}.ol-result-right>.ol-small-note{margin-top:12px}.ol-result-actions{display:flex;justify-content:flex-end;gap:12px;margin-top:16px;padding-top:4px}.ol-rubric-list{display:flex;flex-direction:column;gap:11px;padding:4px}.ol-rubric-item{display:flex;justify-content:space-between;flex-wrap:wrap;gap:5px;font-size:12px;color:#657b95}.ol-rubric-item>b{font-size:12px;color:#1a6fc4}.ol-rubric-track{width:100%;height:5px;border-radius:5px;background:#edf3fb;overflow:hidden}.ol-rubric-track>i{display:block;height:100%;background:#5c9fe4;border-radius:5px}.ol-congrats-content{text-align:center;padding:12px 0}.ol-congrats-badge{width:84px;height:84px;margin:0 auto 16px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:40px;font-weight:800;color:#fff;background:linear-gradient(135deg,#2b8de6,#1a6fc4);box-shadow:0 8px 20px #1a6fc459}.ol-congrats-content>p{font-size:14px;color:#666;line-height:1.8}.ol-congrats-content>p>b{color:#1a6fc4}.ol-congrats-content>small{font-size:11px;color:#9aa7b8}.ol-congrats-close{min-width:160px;height:40px;border:0;border-radius:20px;background:linear-gradient(135deg,#2b8de6,#1a6fc4);color:#fff;font-size:15px;font-weight:700;cursor:pointer}.ol-model-value{min-width:0}.ol-score-info .lf-national-summary{margin:0}.ol-root .lf-encouragement{font-size:13px}
@keyframes ol-mic-pulse{0%,100%{box-shadow:0 10px 30px #ff4d4f59}50%{box-shadow:0 10px 40px #ff4d4f8c}}
@media(min-width:1500px){.ol-lecture-layout{min-height:670px}.ol-recorder-area{min-height:410px}}
@media(max-width:1100px){.ol-lecture-layout{gap:14px;padding:16px}.ol-lecture-left{width:330px;max-width:43%}.ol-lecture-right{padding:18px}.ol-lecture-bottom-bar{flex-wrap:wrap}.ol-lecture-bottom-bar>.ol-btn{margin-left:auto}.ol-result-left{width:300px;padding:16px}.ol-result-right{padding:16px}.ol-score-title{font-size:21px!important}.ol-score-banner{padding:20px}.ol-result-layout{gap:14px}}
@media(max-width:760px){.ol-lecture-layout{flex-direction:column;padding:12px;gap:14px;min-height:0}.ol-lecture-left{width:100%;max-width:none}.ol-lecture-right{padding:20px 16px}.ol-question-list{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}.ol-q-card{padding:12px}.ol-q-stem{font-size:12px}.ol-q-title{font-size:14px}.ol-q-answer-row{font-size:12px;flex-direction:column;gap:5px;padding-right:16px}.ol-lecture-hint-box{padding:13px 16px}.ol-recorder-area{min-height:330px}.ol-lecture-tip-title{font-size:17px!important}.ol-lecture-bottom-bar{flex-wrap:nowrap}.ol-lecture-hint-line{font-size:11px}.ol-btn{padding:10px 18px;font-size:13px!important}.ol-result-view{padding:12px;gap:14px}.ol-result-layout{flex-direction:column}.ol-result-left{width:100%;max-width:none;padding:14px;gap:12px;display:grid;grid-template-columns:repeat(2,minmax(0,1fr))}.ol-result-left>.ol-rubric-list,.ol-result-left>:last-child{grid-column:1/-1}.ol-result-section-card{padding:13px}.ol-result-section-card>h3{font-size:15px!important}.ol-score-banner{gap:16px;padding:18px 16px;align-items:flex-start}.ol-grade-circle{width:96px;height:96px;box-shadow:inset 0 0 0 7px #1a6fc40d}.ol-grade-letter{font-size:44px}.ol-grade-label{font-size:10px}.ol-grade-score{font-size:9px}.ol-score-title{font-size:18px!important;line-height:1.5!important}.ol-score-subtitle{font-size:12px!important}.ol-result-question-card{padding:12px;gap:12px}.ol-rq-media{width:60px;height:66px}.ol-transcript-box{min-height:170px}.ol-result-actions>.ol-btn{flex:1}.ol-result-actions{gap:10px}}
@media(max-width:430px){.ol-question-list{grid-template-columns:1fr}.ol-score-banner{flex-direction:column;gap:12px}.ol-grade-hero{flex-direction:row;gap:12px}.ol-grade-circle{width:82px;height:82px}.ol-grade-letter{font-size:37px}.ol-grade-score{font-size:12px}.ol-result-left{display:flex}.ol-result-question-card{flex-direction:column}.ol-rq-media{display:none}.ol-lecture-bottom-bar{flex-direction:column;align-items:stretch}.ol-lecture-bottom-bar>.ol-btn{margin:0;width:100%}.ol-recorder-title{font-size:17px!important}.ol-score-title{font-size:20px!important}}
@media(prefers-reduced-motion:reduce){.ol-mic-btn.ol-recording{animation:none}.ol-mic-btn{transition:none}}

/* v6 Feynman flow uses one primary action; legacy recorder styles remain for saved evidence dialogs. */
.ol-feynman-root button,.fm-more-panel button,.fm-transcript-editor button,.fm-draft-history button{touch-action:manipulation}.ol-feynman-root :is(button,summary):focus-visible{outline:3px solid #b2a0e7;outline-offset:3px}

.ol-score-details{border-top:1px solid #ecf1f7;padding-top:10px}.ol-score-details>summary{font-size:12px;color:#6686aa;cursor:pointer;min-height:30px}.ol-score-details>.ol-rubric-list{margin-top:10px}@media(max-width:760px){.ol-result-left>.ol-score-details{grid-column:1/-1}}
.ol-five-main{min-width:0}.ol-result-transcript{border:1px solid #e2ecf6;border-radius:10px;padding:13px;margin:16px 0;background:#fbfdff}.ol-result-transcript>summary{font-size:13px;color:#486d96;cursor:pointer;line-height:1.7}.ol-result-transcript .ol-transcript-box{min-height:0;max-height:330px;overflow:auto;margin-top:10px}.ol-result-review .ol-result-left{gap:14px}.ol-result-review .ol-score-details{margin-top:0}.ol-result-review .ol-rubric-list{margin-top:12px}.ol-grade-score{max-width:165px;line-height:1.7;text-align:center;white-space:normal}.ol-result-review .ol-result-section-card{background:#f4f9ff;border:1px solid #deebf8}@media(max-width:760px){.ol-result-review .ol-result-left{display:flex}.ol-result-transcript{padding:11px}.ol-grade-score{max-width:130px}}@media print{.ol-result-transcript{display:block}.ol-result-transcript::details-content{content-visibility:visible}.ol-result-transcript .ol-transcript-box{max-height:none;overflow:visible}.ol-five-main{break-inside:auto}}

/* Spoken demonstration keeps the existing tablet split view. */
.fm-sample-audio-icon{display:grid;place-items:center;width:160px;height:160px;margin:6px 0 28px;border-radius:36px;background:#ece7ff;color:#6b54dd}.fm-sample-audio-icon svg{width:82px;height:82px}.workspace[data-view-role="student"] .fm-spoken-demo .ol-audio-saved{max-width:660px;padding:26px;border:1px solid #dcd3f3;border-radius:22px;background:#fff;margin:10px 0 28px}.workspace[data-view-role="student"] .fm-spoken-demo .ol-audio-caption{font-size:25px;line-height:1.6;color:#655379}.workspace[data-view-role="student"] .fm-spoken-demo .ol-audio-preview{height:58px;margin-top:18px}.workspace[data-view-role="student"] .fm-spoken-demo .ol-audio-links button{font-size:23px;padding:12px}.workspace[data-view-role="student"] .fm-spoken-demo .fm-demo-source{font-size:22px;color:#9383a8;line-height:1.6;max-width:650px;margin-top:18px}.fm-sample-error{color:#bd6a35;font-size:24px;line-height:1.6;margin-bottom:20px!important}

/* Keep Xiao Tao visible throughout speaking, using the same approved portrait. */
.fm-xiaotao-identity{display:flex;align-items:center;justify-content:center;gap:20px;max-width:620px;margin:0 auto 22px;text-align:left}.fm-xiaotao-avatar{display:block;width:84px;height:84px;flex:none;object-fit:cover;object-position:center;border-radius:50%;border:4px solid #fff;background:#fff5e8;box-shadow:0 5px 18px #846b9a16}.fm-xiaotao-identity>div{display:flex;flex-direction:column;gap:5px}.fm-xiaotao-identity strong{font-size:28px;line-height:1.4;color:#67507f;font-weight:700}.fm-xiaotao-identity span{font-size:22px;line-height:1.5;color:#9884a9}.workspace[data-view-role="student"] .fm-result .fm-insight-teacher [data-lecture-teacher="xiaotao"]{font-size:24px;gap:18px}.workspace[data-view-role="student"] .fm-result .fm-insight-teacher [data-lecture-teacher="xiaotao"] .ev-teacher-mark{width:64px;height:64px;overflow:hidden;border-radius:50%;border:2px solid #fff;box-shadow:0 3px 12px #846b9a12}