:root{--ink:#193045;--muted:#5c7080;--paper:#f2f6fa;--white:#fff;--blue:#175cc6;--line:#d6e1eb;--teal:#14786b;--red:#b73d35;--rail:#e9f1fa;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,PingFang SC,sans-serif;color:var(--ink);background:var(--paper);font-size:16px}*{box-sizing:border-box}body{margin:0}button,input,textarea,select{font:inherit}button,a{touch-action:manipulation}button{cursor:pointer;border:1px solid var(--line);color:var(--ink);background:#fff;border-radius:7px;padding:11px 18px;font-weight:600}button:hover:not(:disabled){border-color:var(--blue);color:var(--blue)}button:disabled{opacity:.45;cursor:not-allowed}button.primary{background:var(--blue);border-color:var(--blue);color:#fff}button:focus-visible,a:focus-visible,input:focus-visible,textarea:focus-visible,select:focus-visible{outline:3px solid #76b1ff;outline-offset:3px}a{color:var(--blue)}.topbar{min-height:76px;background:#fff;border-bottom:1px solid var(--line);padding:16px 4vw;display:flex;align-items:center;justify-content:space-between;gap:16px}.brand{font-family:Avenir Next,sans-serif;letter-spacing:.16em;font-weight:750;font-size:15px}.brand span{color:var(--blue)}.small{font-size:13px;color:var(--muted);line-height:1.7}.wrap{max-width:1160px;margin:44px auto;padding:0 28px}.eyebrow{font-size:12px;font-weight:750;letter-spacing:.12em;color:var(--blue);text-transform:uppercase}.intro{display:grid;grid-template-columns:1.35fr 1fr;gap:64px;align-items:center;margin:55px 0}.intro h1{font-family:Avenir Next,PingFang SC,sans-serif;font-size:clamp(36px,4.4vw,58px);letter-spacing:-.04em;line-height:1.18;margin:18px 0}.intro h1 span{display:block;font-size:.65em;font-weight:500;margin-top:14px;color:var(--muted)}.lead{font-size:17px;line-height:1.85;color:var(--muted);max-width:560px}.route{border-left:3px solid var(--blue);padding-left:26px}.route-row{padding:16px 0;display:flex;justify-content:space-between;border-bottom:1px solid var(--line);align-items:baseline;gap:12px}.route-row:last-child{border:0}.route-row strong{display:block}.route-row .small{font-size:12px}.route-row b{font-family:SFMono-Regular,Consolas,monospace;font-size:21px;font-weight:500;white-space:nowrap}.panel{background:#fff;border:1px solid var(--line);padding:26px;border-radius:12px;margin:22px 0}.panel h2{margin:0 0 16px;font-size:20px}.toolbar{display:flex;gap:12px;align-items:center;flex-wrap:wrap}.toolbar label{font-size:14px}select{padding:10px;border:1px solid var(--line);border-radius:6px;background:#fff;color:var(--ink)}.status{color:var(--teal);font-size:14px}.note{font-size:14px;color:var(--muted);line-height:1.8}.note.warn{border-left:3px solid #c38a29;padding-left:16px}.exam-shell{max-width:1500px;margin:auto}.exam-bar{padding:20px 32px;background:var(--ink);color:#fff;display:flex;justify-content:space-between;gap:20px;align-items:center}.exam-bar small{color:#bfccdc}.timer{font-family:SFMono-Regular,Consolas,monospace;font-size:34px;font-variant-numeric:tabular-nums;letter-spacing:.02em}.timer.urgent{color:#ffb2a9}.steps{display:flex;gap:0;border-bottom:1px solid var(--line);background:#fff}.step{flex:1;padding:16px 24px;font-size:14px;color:var(--muted);border-bottom:3px solid transparent}.step.active{color:var(--blue);border-color:var(--blue);font-weight:700}.step.completed{color:var(--teal)}.question-meta{padding:22px 32px 12px;display:flex;justify-content:space-between;gap:16px;align-items:center}.workspace{display:grid;grid-template-columns:1fr 1fr;margin:0 32px 24px;border:1px solid var(--line);border-radius:10px;background:#fff;min-height:440px;overflow:hidden}.workspace.single{grid-template-columns:1fr;max-width:1000px;margin-left:auto;margin-right:auto}.passage{padding:30px 34px;font-family:Georgia,Times New Roman,serif;font-size:18px;line-height:1.85;overflow-wrap:anywhere}.passage p{margin:0 0 20px}.passage h3{font-family:-apple-system,sans-serif;font-size:17px;line-height:1.5;margin:26px 0 10px;color:var(--blue)}.question{padding:30px 32px;border-left:1px solid var(--line)}.question h2{font-size:19px;line-height:1.65;margin:0 0 24px}.option{display:flex;align-items:flex-start;gap:14px;padding:16px;margin:12px 0;border:1px solid var(--line);border-radius:7px;cursor:pointer;line-height:1.6}.option:has(input:checked){background:#edf4ff;border-color:var(--blue)}.option input{margin-top:6px;accent-color:var(--blue);flex-shrink:0}.option b{color:var(--blue);font-size:14px}.fill-word{white-space:nowrap}.fill-word input{border:0;border-bottom:2px solid var(--blue);background:#edf4ff;font-family:inherit;letter-spacing:.07em;padding:2px 4px;color:var(--blue);border-radius:2px}.exam-footer{display:flex;justify-content:space-between;padding:12px 32px 28px;gap:16px;align-items:center}.sentence{font-size:21px;line-height:2.7;margin-bottom:28px}.slot{min-width:75px;padding:6px 11px;margin:3px;border:0;border-bottom:2px solid var(--blue);border-radius:2px;color:var(--blue);font-size:17px;font-weight:500;min-height:40px;vertical-align:middle}.bank{display:flex;flex-wrap:wrap;gap:10px;margin:18px 0}.bank button{background:var(--rail);font-size:16px;font-weight:500}.essay{display:block;width:100%;min-height:340px;padding:20px;line-height:1.8;border:1px solid var(--line);border-radius:6px;resize:vertical;background:#fcfdff;spellcheck:false}.media-card{max-width:700px;margin:auto;text-align:center;padding:24px}.media-card img{max-width:100%;height:200px;object-fit:contain;display:block;margin:0 auto 24px}.media-status{font-size:22px;margin:22px 0;font-weight:650}.media-card audio{width:100%;margin:12px 0}.record-dot{display:inline-block;width:10px;height:10px;border-radius:50%;background:var(--red);margin-right:10px}.question-nav{display:flex;gap:8px;flex-wrap:wrap;padding:0 32px 22px}.question-nav button{padding:7px 11px;font-size:12px;font-weight:500}.question-nav button.done{background:#e4f3ee;border-color:#afd6c5}.question-nav button.current{border:2px solid var(--blue)}.result-item{border-top:1px solid var(--line);padding:20px 0}.result-item h3{font-size:16px;line-height:1.6}.result-item pre{white-space:pre-wrap;font-family:inherit;line-height:1.8;background:var(--paper);padding:18px}.result-item audio{max-width:100%;display:block}.tag{font-size:12px;padding:5px 9px;border-radius:4px;background:var(--rail);color:var(--blue)}#notice:not(:empty){position:fixed;bottom:24px;left:50%;transform:translate(-50%);background:var(--ink);color:#fff;padding:14px 22px;border-radius:7px;max-width:90vw;z-index:10;box-shadow:0 6px 30px #192f4533}.loading{padding:60px;text-align:center}footer{font-size:12px;color:var(--muted);padding:24px 0 36px;line-height:1.7}details summary{cursor:pointer;color:var(--blue);font-size:14px}.sr-only{position:absolute;width:1px;height:1px;padding:0;overflow:hidden;clip:rect(0,0,0,0)}@media(max-width:800px){.intro{grid-template-columns:1fr;gap:24px;margin:28px 0}.wrap{padding:0 18px;margin:24px auto}.topbar{padding:16px 18px}.workspace{grid-template-columns:1fr;margin:0 14px 18px}.workspace.single{margin:0 14px 18px}.passage,.question{padding:22px}.question{border-left:0;border-top:1px solid var(--line)}.exam-bar,.question-meta{padding:18px}.exam-footer{padding:12px 18px 24px}.step{padding:14px 10px;font-size:13px}.step small{display:none}.question-nav{padding:0 18px 18px}.timer{font-size:28px}.panel{padding:20px}.brand{font-size:12px}.media-card{padding:8px}.essay{min-height:280px}}@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important}}:root{color-scheme:light}@media(min-width:801px){.workspace{height:calc(100dvh - 355px);min-height:440px}.passage,.question{overflow-y:auto}.question .essay{height:calc(100% - 35px);min-height:300px}}:root .library-panel{margin:30px 0 48px}.library-heading{display:flex;justify-content:space-between;align-items:baseline;gap:20px;border-bottom:1px solid var(--line);padding-bottom:15px}.library-heading h2{margin:0;font-size:23px}.library-month{display:grid;grid-template-columns:130px 1fr;gap:20px;padding:20px 0;border-bottom:1px solid var(--line)}.library-month h3{margin:12px 0;font-size:16px}.exam-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:12px}.exam-card{display:flex;flex-direction:column;align-items:flex-start;gap:8px;padding:18px;text-align:left;font-weight:400}.exam-card strong{font-size:20px}.exam-card span{font-size:12px;color:var(--muted)}.exam-card small{font-size:12px;color:var(--blue)}.exam-card.selected{border:2px solid var(--blue);padding:17px;background:#edf4ff}.exam-card:disabled{opacity:.55}.route-row b{font-size:17px}.passage img{max-width:100%;height:auto}.passage table{border-collapse:collapse;width:100%;font-size:inherit}.passage td,.passage th{border:1px solid #bbb;padding:8px}@media(max-width:800px){.library-month{grid-template-columns:1fr;gap:4px}.exam-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.exam-card{padding:14px}.exam-card.selected{padding:13px}.library-heading h2{font-size:20px}}html:has(body.exam-mode){background:#d3d3d3}body.exam-mode{background:#d3d3d3;color:#000;font-family:Arial,sans-serif;font-size:16px;margin:0;min-height:100dvh}.exam-mode button,.exam-mode input,.exam-mode textarea{font-family:Arial,sans-serif}.exam-mode .exam-nav{background:#2f7c81;color:#fff;padding:10px 0;width:100%}.exam-mode .exam-nav-inner{width:1100px;max-width:95%;margin:auto;display:flex;align-items:center;justify-content:space-between;gap:12px}.exam-mode .exam-nav-actions{display:flex;gap:10px;align-items:center}.exam-mode .exam-nav button{background:#2f7c81;color:#fff;border:1px solid #ffffff80;border-radius:4px;font-size:14px;font-weight:700;padding:6px 18px;line-height:normal;white-space:nowrap}.exam-mode .exam-nav button.home-button,.exam-mode .exam-nav button#next{background:#fff;color:#333;border-color:#ccc}.exam-mode .exam-nav button#back:not(:disabled),.exam-mode .exam-nav button#volume-toggle{background:#fff;color:#333;border-color:#ccc}.exam-mode .exam-nav button#volume-toggle{display:inline-flex;align-items:center;gap:5px}.exam-mode .exam-nav button:disabled{opacity:1;background:#7aacaf!important;color:#ffffffb3!important;border-color:#ffffff80!important}.exam-mode .exam-nav button:hover:not(:disabled){filter:brightness(.96)}.exam-mode .exam-info{background:#eee;border-bottom:1px solid #ccc;padding:6px 0}.exam-mode .exam-info-inner{width:1100px;max-width:95%;margin:auto;display:flex;justify-content:space-between;font-size:16px;font-weight:700;color:#222;align-items:center}.exam-mode .exam-time{display:flex;align-items:center;gap:16px}.exam-mode .timer{font:700 16px Arial,sans-serif;letter-spacing:normal;color:#222;line-height:normal}.exam-mode .timer.urgent{color:#b52b24}.exam-mode #hide-time{background:none;border:0;color:#2f7c81;padding:0;font-size:16px;font-weight:700;border-radius:0}.exam-mode .exam-paper{width:1100px;max-width:95%;margin:0 auto 30px;background:#fff;min-height:calc(100dvh - 110px);padding:40px 50px;color:#000;display:flex;flex-direction:column}.exam-mode .exam-paper.fill-paper{height:calc(100dvh - 110px)}.exam-mode .workspace,.exam-mode .workspace.single{background:#fff;border:0;border-radius:0;max-width:none;width:100%;margin:0;min-height:0;height:auto;flex:1;overflow:visible}.exam-mode .workspace{grid-template-columns:1fr 1fr}.exam-mode .workspace.single{display:flex;flex-direction:column}.exam-mode .task-heading{font:700 24px Arial,sans-serif;line-height:1.2;text-align:center;margin:0 0 20px;color:#000;flex-shrink:0}.exam-mode .passage,.exam-mode .question{font:400 18px/1.8 Arial,sans-serif;color:#333;padding:20px 24px;overflow:auto;overflow-wrap:anywhere}.exam-mode .passage p{margin:0 0 18px}.exam-mode .question{border-left:1px solid #ddd}.exam-mode .question h2{font:700 18px/1.5 Arial,sans-serif;margin:0 0 22px;color:#000}.exam-mode .question .option{border:0;border-radius:0;padding:10px 8px;margin:8px 0;gap:12px;font:400 18px/1.5 Arial,sans-serif;color:#111}.exam-mode .question .option:has(input:checked){background:#e8f4f5;outline:1px solid #2f7c81}.exam-mode .option input{accent-color:#2f7c81;margin-top:6px}.exam-mode .option b{font-size:18px;font-weight:400;color:inherit}.exam-mode .fill-article{padding:0;display:flex;flex:1;flex-direction:column;overflow:visible}.exam-mode .fill-content-wrapper{flex:1;display:flex;align-items:center;width:100%;min-height:0}.exam-mode .fill-passage{font:400 18px/1.8 Arial,sans-serif;color:#333;text-align:left;width:100%;overflow-wrap:normal}.exam-mode .fill-word{display:inline-block;white-space:nowrap;line-height:1.8}.exam-mode .letter-inputs{display:inline}.exam-mode .fill-word .letter-char{box-sizing:content-box;width:1em;height:auto;padding:0;margin:0 1px;border:0;border-bottom:1px solid #555;border-radius:2px 2px 0 0;background:#0000000f;font:700 18px Arial,sans-serif;line-height:normal;letter-spacing:normal;color:#1a1a1a;text-align:center;vertical-align:baseline;caret-color:#2f7c81}.exam-mode .letter-char:focus{outline:0;background:#e1f0f1;border-bottom:2px solid #2f7c81}.exam-mode .review-panel{position:fixed;z-index:5;top:82px;left:50%;transform:translate(-50%);background:#fff;border:1px solid #aaa;box-shadow:0 4px 20px #0003;width:600px;max-width:94vw;padding:24px}.exam-mode .review-panel h2{margin:0 0 20px;font-size:20px}.exam-mode .question-nav{padding:0;gap:10px}.exam-mode .question-nav button{background:#eee;color:#333;border:1px solid #ccc;border-radius:3px}.exam-mode .question-nav button.current{border:2px solid #2f7c81}.exam-mode .question-nav button.done{background:#e8f4f5}.exam-mode .volume-control{display:flex;align-items:center;gap:8px;font-size:13px}.exam-mode .volume-control input{width:100px;accent-color:#fff}.exam-mode .sentence-paper{padding-top:36px}.exam-mode .sentence-paper .task-heading{margin-bottom:50px}.exam-mode .dialog-container{margin:0 30px;padding:0 20px}.exam-mode .dialog-row{display:flex;align-items:flex-start;gap:20px;margin-bottom:40px}.exam-mode .avatar-img{width:70px;height:70px;border:1px solid #2f7c81;border-radius:50%;object-fit:cover;flex-shrink:0}.exam-mode .dialog-content{padding-top:30px;font:700 18px Arial,sans-serif;flex:1;min-width:0}.exam-mode .sentence{display:flex;align-items:center;flex-wrap:wrap;gap:4px;font:700 18px/1.8 Arial,sans-serif;margin:0}.exam-mode .slot{box-sizing:content-box;display:inline-flex;justify-content:center;align-items:center;min-width:70px;min-height:28px;padding:2px 8px;margin:0 4px;border:1px solid #2f7c81;border-radius:4px;background:#f0fafa;color:#000;font:400 18px/24px Arial,sans-serif}.exam-mode .slot.drag-over{background:#b9dddd;outline:2px solid #2f7c81}.exam-mode .word-bank-container{background:#fafafa;border:1px dashed #ccc;border-radius:8px;text-align:center;margin:24px 28px 0;padding:14px 20px 8px}.exam-mode .bank{justify-content:center;margin:0;gap:20px}.exam-mode .bank button{border:1px solid #2f7c81;border-radius:4px;background:#e8f4f5;color:#000;padding:8px 16px;font:400 18px Arial,sans-serif;cursor:grab}.exam-mode .bank button[hidden]{display:none}.exam-mode .word-bank-help{font-size:14px;color:#666;margin:0 0 10px}.exam-mode .essay-paper{padding-top:16px;max-height:calc(100dvh - 110px);height:calc(100dvh - 110px)}.exam-mode .essay-paper .workspace{grid-template-columns:42% 58%;min-height:0;overflow:hidden;display:grid}.exam-mode .essay-paper .passage{font:400 16px/1.8 Arial,sans-serif;padding:18px 24px 0 0}.exam-mode .essay-paper .question{display:flex;flex-direction:column;overflow:hidden;padding:0 0 0 30px;border-left:1px solid #ddd;font-size:16px;line-height:1.5}.exam-mode .response-label{font-weight:700;color:#000;margin-bottom:14px}.exam-mode .email-meta{font-weight:700;line-height:2.1;color:#000}.exam-mode .editor-toolbar{display:flex;gap:10px;align-items:center;background:#eee;border:1px solid #ccc;padding:5px 10px;margin-top:10px;color:#333;flex-shrink:0;font-size:14px;white-space:nowrap}.exam-mode .editor-toolbar button{padding:2px 10px;font:400 14px Arial,sans-serif;border:1px solid #999;border-radius:0;line-height:normal;color:#000}.exam-mode .editor-toolbar #count-toggle{margin-left:auto}.exam-mode .essay{border:1px solid #2f7c81;border-radius:0;padding:12px;background:#fff;color:#000;font:400 18px/1.6 Arial,sans-serif;flex:1;min-height:200px!important;height:auto!important;resize:none;outline-offset:0}.exam-mode .discussion-person{margin:24px 0}.exam-mode .discussion-person header{display:flex;gap:16px;align-items:center;margin-bottom:14px;font-weight:700}.exam-mode .discussion-person img{width:60px;height:60px;border-radius:50%;object-fit:cover}.exam-mode .discussion-person p{margin-bottom:12px}.exam-mode .media-card{padding:24px;display:flex;flex-direction:column;align-items:center;justify-content:center;width:100%;max-width:none;color:#000}.exam-mode .media-card img{height:auto;max-height:320px;max-width:95%;width:auto;object-fit:contain;margin:0 auto 28px}.exam-mode .media-card .lead{font:700 20px/1.5 Arial,sans-serif;color:#000;max-width:800px;text-align:center}.exam-mode .media-status{font-size:18px}.exam-mode .media-card .small{font-size:14px;color:#555}.exam-mode .media-card button{border-color:#2f7c81;color:#2f7c81;border-radius:4px}.exam-mode .workspace.single .media-card{flex:1}.exam-mode [hidden]{display:none!important}.exam-mode .section-listening .workspace{flex:0;align-items:start}.exam-mode .section-listening .question{border-left:0}.exam-mode .section-speaking .workspace{flex:0}.exam-mode .section-speaking .media-card{padding:0;justify-content:flex-start}.exam-mode .section-speaking .media-card .lead{font:700 24px/1.3 Arial,sans-serif;max-width:100%;margin:0 0 20px}.exam-mode .section-speaking .media-card img{width:300px;height:300px;max-height:300px;margin-bottom:28px}.exam-mode .section-speaking .media-status{color:#2f7c81;font-weight:700}.exam-mode[data-section=speaking] .exam-time{visibility:hidden}.exam-mode .response-time{border:1px solid #333;margin:0 auto 20px;min-width:180px;text-align:center}.exam-mode .response-time div{background:#333;color:#fff;font-size:13px;padding:5px 14px}.exam-mode .response-time strong{display:block;font-size:24px;font-weight:400;padding:9px 18px;font-variant-numeric:tabular-nums}@media(max-width:800px){.exam-mode .exam-nav-inner,.exam-mode .exam-info-inner,.exam-mode .exam-paper{max-width:98%}.exam-mode .exam-paper{padding:24px 18px}.exam-mode .exam-nav button{padding:6px 10px}.exam-mode .exam-nav-actions{gap:6px}.exam-mode .workspace{grid-template-columns:1fr}.exam-mode .passage,.exam-mode .question{padding:18px 10px}.exam-mode .question{border-left:0;border-top:1px solid #ddd}.exam-mode .fill-paper{height:auto;min-height:calc(100dvh - 110px)}.exam-mode .fill-content-wrapper{padding:50px 0}.exam-mode .dialog-container{margin:0;padding:0}.exam-mode .avatar-img{width:48px;height:48px}.exam-mode .dialog-content{padding-top:12px}.exam-mode .dialog-row{gap:12px}.exam-mode .word-bank-container{margin:24px 0 0}.exam-mode .essay-paper{height:auto;max-height:none}.exam-mode .essay-paper .workspace{grid-template-columns:1fr}.exam-mode .essay-paper .passage{max-height:45dvh;padding:0 0 20px}.exam-mode .essay-paper .question{border-left:0;border-top:1px solid #ddd;padding:18px 0 0}.exam-mode .essay{min-height:350px!important}.exam-mode .editor-toolbar{gap:5px;padding:5px;font-size:12px}.exam-mode .editor-toolbar button{padding:3px 5px;font-size:12px}.exam-mode .volume-control input{width:65px}}.exam-mode .section-reading .passage,.exam-mode .section-reading .question,.exam-mode .section-reading .question h2,.exam-mode .section-reading .question .option,.exam-mode .section-reading .fill-passage,.exam-mode .section-reading .fill-word .letter-char{font-size:17px}.exam-mode .option b{flex-shrink:0;white-space:nowrap;font-size:inherit}.sync-banner{padding:8px 20px;background:#e8f4f5;color:#245e62;font:14px Arial,sans-serif;border-bottom:1px solid #bad4d6;display:flex;justify-content:space-between;align-items:center;gap:12px}.sync-banner[data-state=offline],.sync-banner[data-state=conflict]{background:#fff0e9;color:#982e19}.sync-banner button{font-size:12px;padding:4px 10px}.exam-mode .sync-banner{min-height:34px}.exam-mode .sync-banner[data-state=saved],.exam-mode .sync-banner[data-state=pending]{position:absolute;width:1px;height:1px;min-height:0;overflow:hidden;clip-path:inset(50%);padding:0;border:0}.exam-mode .option span{display:inline}.exam-mode .workspace.single>.question{width:100%}.library-heading{gap:16px}.loading,.fatal{max-width:780px;margin:80px auto;padding:30px}.fatal{background:#fff;border:1px solid #ccc}.results-audio{display:block;width:100%;max-width:500px;margin:16px 0}.mode-select{display:flex;gap:12px;align-items:center;flex-wrap:wrap}.media-card audio{width:100%}.pending-copy{margin:12px 0 0;color:#666;font-size:14px}.exam-mode .record-dot{display:inline-block;width:10px;height:10px;border-radius:50%;background:#bd3027;margin-right:8px}button:focus-visible,a:focus-visible{outline:3px solid #2f7c81;outline-offset:3px}@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;animation:none!important}}body.results-mode{background:#f4f7f6;color:#212529;font:15px/1.5 Segoe UI,Tahoma,Geneva,Verdana,sans-serif}.results-mode .sync-banner[data-state=saved],.results-mode .sync-banner[data-state=pending]{display:none}.results-shell{box-sizing:border-box;max-width:1100px;margin:30px auto;padding:40px;background:#fff;border-radius:10px;box-shadow:0 1px 14px #2c3e5006}.results-title{font:700 32px/1.2 Segoe UI,sans-serif;text-align:center;color:#2c3e50;margin:0 auto 30px;padding-bottom:18px;width:fit-content;border-bottom:2px solid #2f7c81}.results-controls{display:flex;justify-content:space-between;gap:15px;align-items:center;margin:0 0 15px}.results-controls button,.result-footer button,.results-error button{font:600 14px Segoe UI,sans-serif;border:1px solid #d6e4e4;border-radius:4px;background:#fff;color:#2f7c81;padding:8px 15px}.result-tabs{display:flex;gap:8px;flex-wrap:wrap}.result-tabs button[aria-pressed=true]{background:#2f7c81;color:#fff;border-color:#2f7c81}.results-summary{font-size:13px;color:#687878;margin:0 0 22px}.result-group{border:1px solid #eee;border-radius:7px;padding:24px;margin-bottom:20px;box-shadow:0 1px 5px #00000004}.result-group>h2{font-size:16px;line-height:1.4;font-weight:700;letter-spacing:.3px;color:#2f7c81;border-bottom:2px solid #dfebea;padding-bottom:8px;margin:0 0 15px}.result-material{border:1px solid #ddd;border-left:4px solid #2f7c81;border-radius:5px;background:#fafafa;padding:18px 20px;margin:0 0 16px;line-height:1.8;overflow-wrap:anywhere}.result-material h3{font:700 16px/1.5 Arial,sans-serif;text-align:center;margin:0 0 15px}.result-material p{margin:0 0 12px}.result-material p:last-child{margin-bottom:0}.result-material audio{display:block;width:100%;max-width:520px;margin-bottom:15px}.result-material img{max-width:100%;height:auto}.result-card{border:1px solid #eee;border-left:5px solid #89999a;border-radius:7px;padding:20px 24px;background:#fcfcfc;margin:14px 0 8px;box-shadow:0 2px 8px #00000004}.result-card.incorrect{border-left-color:#dc3545;background:#dc354505}.result-card.correct{border-left-color:#28a745;background:#28a74505}.result-card-header{display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid #eee;padding-bottom:12px;margin-bottom:14px;gap:12px}.result-card-header h3{color:#2f7c81;font-size:16px;line-height:1.5;font-weight:700;margin:0}.verdict{font-weight:700;font-size:14px;white-space:nowrap}.verdict.correct{color:#21883c}.verdict.incorrect{color:#dc3545}.verdict.self-review{color:#697a7b}.result-question{margin:12px 0 18px;font-size:16px;line-height:1.6}.answer-columns{display:grid;grid-template-columns:1fr 1fr;gap:20px}.your-answer,.reference-answer{padding:16px;border:1px solid #dfe9ed;border-radius:5px;overflow-wrap:anywhere}.your-answer{background:#e7f3ff}.reference-answer{background:#e8f7ed}.your-answer h4,.reference-answer h4{font-size:15px;font-weight:700;margin:0 0 8px}.your-answer p,.reference-answer p{margin:0;line-height:1.8}.answer-columns ol{margin:0;padding-left:20px}.answer-columns li{padding:0;line-height:1.65}.answer-suffix{font-weight:700;text-decoration:underline}.answer-incorrect{color:#b02a37}.answer-correct{color:#21883c}.result-inline-blank{white-space:nowrap;display:inline-block}.result-number{display:inline-block;min-width:2.2em;border-bottom:1px solid #333;color:#2f7c81;text-align:center;font-weight:700;margin:0 4px}.result-person{margin:20px 0}.result-person header{display:flex;align-items:center;gap:14px;margin-bottom:10px}.result-person header img{width:52px;height:52px;border-radius:50%;object-fit:cover}.essay-review pre{font:16px/1.8 Arial,sans-serif;white-space:pre-wrap;margin:0}.your-answer audio{width:100%;max-width:520px}.result-card details{margin-top:15px}.result-card summary{cursor:pointer;color:#2f7c81}.result-warning,.results-error{padding:12px;background:#fff1e9;color:#a23b20;border-radius:4px}.result-footer{display:flex;justify-content:center;margin-top:28px}.history-row{display:flex;align-items:center;justify-content:space-between;gap:20px;padding:16px 0;border-top:1px solid #e2e7e7}.history-row span{display:block;font-size:13px;color:#677;margin-top:5px}.source-warning{padding:10px 14px;background:#f3f7f7;border-left:3px solid #579a9d;margin:15px 0 0}.exam-mode #begin{background:#fff;color:#333;border-color:#ccc}.exam-mode .section-intro{padding:50px 100px;min-height:calc(100dvh - 80px)}.exam-mode .section-intro h1{font:400 26px/1.4 Arial,sans-serif;margin:0 0 24px;border-bottom:1px solid #bbb;padding-bottom:15px}.exam-mode .section-intro>p{font:400 16px/1.8 Arial,sans-serif;color:#286e73;margin:0 0 20px}.exam-mode .section-intro table{font:400 15px/1.5 Arial,sans-serif;border-collapse:collapse;width:auto;min-width:600px;margin:0 0 14px}.exam-mode .section-intro th{background:#569ba0;color:#fff;text-align:left;font-weight:700}.exam-mode .section-intro th,.exam-mode .section-intro td{padding:8px 18px;border:1px solid #bbb}.exam-mode .section-intro .intro-countdown{font:13px/1.5 Arial,sans-serif;color:#666;margin:0}.exam-mode .section-intro .intro-rule{font-size:15px;color:#333}@media(max-width:800px){.results-shell{margin:12px;padding:20px}.results-title{font-size:25px}.result-group,.result-card{padding:15px}.answer-columns{grid-template-columns:1fr;gap:12px}.results-controls{align-items:flex-start;flex-wrap:wrap}.exam-mode .section-intro{padding:35px 24px}.exam-mode .section-intro table{min-width:0;width:100%}.history-row{align-items:flex-start;flex-wrap:wrap}}.results-topline{display:flex;justify-content:space-between;align-items:center;gap:16px;margin-bottom:22px;color:#627778;font-size:13px}.results-topline button{font:500 14px Segoe UI,sans-serif;padding:7px 0;border:0;background:none;color:#2f7c81}.result-directory{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:8px;margin:0 0 24px;padding:14px;background:#f4f7f6;border:1px solid #dce6e3;border-radius:6px}.result-directory a{display:flex;justify-content:space-between;align-items:center;gap:16px;padding:8px 10px;font:500 12px/1.6 Segoe UI,sans-serif;color:#2f7c81;text-decoration:none;border-radius:4px}.result-directory a:hover{background:#e7efed}.result-directory a>span:last-child{white-space:nowrap;color:#627778}.result-group{scroll-margin-top:20px}.prompt-audio{padding:12px 0 18px}.prompt-audio h4{margin:0 0 8px;font-size:14px;font-weight:600}.prompt-audio audio{max-width:520px;width:100%}@media(max-width:600px){.result-directory{grid-template-columns:1fr}.results-topline{align-items:flex-start;font-size:12px}}.home-shell{--home-teal:#2f7c81;--home-ink:#213c3e;--home-muted:#627778;--home-line:#dce6e3;--home-bg:#f2f6f5;--home-white:#fff;background:var(--home-bg);color:var(--home-ink);min-height:100dvh;font:15px/1.6 PingFang SC,Segoe UI,sans-serif}.home-shell button,.home-shell select,.home-shell a{font:inherit}.home-shell button{border-radius:6px;border-color:var(--home-line);color:var(--home-ink);box-shadow:none}.home-shell button:hover:not(:disabled){border-color:var(--home-teal);color:var(--home-teal)}.home-shell button:focus-visible,.home-shell select:focus-visible,.home-shell a:focus-visible{outline:3px solid var(--home-teal);outline-offset:3px}.home-topbar{min-height:72px;background:var(--home-white);border-bottom:1px solid var(--home-line);padding:15px max(28px,calc((100vw - 1400px)/2));display:flex;align-items:center;justify-content:space-between;gap:20px;color:var(--home-muted);font-size:13px}.home-wordmark{display:flex;align-items:center;gap:15px;text-decoration:none;color:var(--home-teal);font-family:Avenir Next,Arial,sans-serif!important;font-weight:750!important;font-size:24px!important;letter-spacing:.04em}.home-wordmark span{font:500 14px/1.4 PingFang SC,sans-serif;color:var(--home-ink);border-left:1px solid var(--home-line);padding-left:15px;letter-spacing:normal}.home-main{max-width:1456px;margin:auto;padding:28px}.home-columns{display:grid;grid-template-columns:230px minmax(0,1fr) 320px;gap:20px;align-items:stretch}.home-library{grid-column:2;grid-row:1;background:var(--home-white);border:1px solid var(--home-line);border-radius:10px;padding:26px;min-width:0;scroll-margin-top:24px}.catalog-heading{display:flex;justify-content:space-between;align-items:center;gap:16px}.catalog-heading h1{font-size:19px;font-weight:600;margin:0 0 3px}.home-shell .month-filter{font-size:12px;color:var(--home-muted);display:flex;align-items:center;gap:8px;flex-shrink:0}.home-shell select{border:1px solid var(--home-line);border-radius:5px;background:var(--home-white);color:var(--home-ink);padding:9px 10px;min-height:40px;max-width:100%}.home-shell .month-filter select{font-size:13px}.catalog-month{display:grid;grid-template-columns:44px minmax(0,1fr);align-items:start;gap:14px;margin-top:12px}.catalog-month h3{display:flex;gap:4px;align-items:baseline;align-content:center;flex-wrap:wrap;min-height:40px;padding-top:9px;font-weight:500;font-size:11px;color:var(--home-muted);margin:0;white-space:nowrap}.catalog-month h3 span{font:500 16px/1.2 Avenir Next,Arial,sans-serif;color:var(--home-ink);font-variant-numeric:tabular-nums}.catalog-grid{display:grid;grid-template-columns:repeat(4,minmax(0,140px));gap:8px}.home-shell .catalog-card{display:flex;flex-direction:row;align-items:center;justify-content:space-between;gap:10px;text-align:left;padding:8px 12px;min-height:40px;background:var(--home-white);border:1px solid var(--home-line);border-radius:6px;min-width:0;position:relative;font-weight:400;transition:background .15s,border-color .15s}.home-shell .catalog-card.selected{border:1px solid var(--home-teal);background:#edf6f5;box-shadow:inset 0 2px var(--home-teal)}.home-shell .catalog-card strong{font-size:14px;font-weight:650;white-space:nowrap}.home-shell .catalog-card .catalog-state{white-space:nowrap;font-size:11px;color:var(--home-muted);border:0;padding:0}.home-shell .catalog-card.selected .catalog-state,.home-shell .catalog-card .catalog-state.done{color:var(--home-teal)}.practice-desk{grid-column:3;grid-row:1;position:static;max-height:none;overflow:visible;border:1px solid var(--home-line);background:var(--home-white);border-radius:10px;min-width:0}.desk-current{padding:24px;scroll-margin-top:24px}.desk-heading{padding-bottom:18px;border-bottom:1px solid var(--home-line)}.desk-heading p{margin:0 0 6px;color:var(--home-teal);font-size:12px;font-weight:600}.desk-heading h2{margin:0 0 6px;font-size:22px;line-height:1.4;font-weight:600;letter-spacing:-.02em}.section-track{list-style:none;padding:0;margin:14px 0 18px}.section-track li{display:flex;gap:10px;align-items:center;padding:10px 0;position:relative}.track-number{display:grid;place-items:center;border:1px solid var(--home-line);background:var(--home-bg);width:24px;height:24px;border-radius:50%;font:500 12px/1 Arial,sans-serif;flex-shrink:0;z-index:1}.section-track li:not(:last-child):after{content:"";width:1px;background:var(--home-line);height:calc(100% - 20px);position:absolute;left:12px;top:34px}.section-track li>div{display:flex;align-items:baseline;gap:7px}.section-track strong{font-weight:550;font-size:14px}.section-track li>div>span{font-size:12px;color:var(--home-muted)}.section-track .track-time{font:12px/1.5 SFMono-Regular,Consolas,monospace;color:var(--home-muted);margin-left:auto;text-align:right;max-width:145px}.desk-setup{border-top:1px solid var(--home-line);padding-top:18px;display:flex;flex-direction:column;gap:9px}.desk-setup>label{font-size:12px;font-weight:600}.home-shell .desk-start{background:var(--home-teal);border-color:var(--home-teal);color:#fff;padding:11px 15px;font-size:15px;font-weight:600;margin-top:5px}.home-shell .desk-start:hover:not(:disabled){background:#256a6f;color:#fff;border-color:#256a6f}.home-shell .desk-secondary{padding:9px 15px;font-size:14px}.desk-resume{font-size:12px;color:var(--home-teal);padding:10px 12px;background:var(--home-bg);margin:6px 0 0;border-radius:4px}.desk-tools{display:flex;gap:5px 14px;flex-wrap:wrap;margin-top:2px}.home-shell .desk-tools button{border:0;background:none;padding:4px 0;font-size:12px;font-weight:500;color:var(--home-teal)}.mic-hint{font-size:12px;color:var(--home-muted);line-height:1.7;margin:0}.home-shell .source-warning{font-size:12px;line-height:1.8;padding:10px 12px;background:var(--home-bg);color:var(--home-muted);margin:14px 0 0;border-left:2px solid var(--home-teal)}.desk-notes{border-top:1px solid var(--home-line);padding-top:16px;margin-top:16px}.desk-notes summary{font-size:12px;color:var(--home-muted)}.desk-notes p{font-size:12px;line-height:1.8;color:var(--home-muted);margin:10px 0 0}.desk-history{padding:0 24px 24px}.desk-history h2{font-size:14px;margin:0 0 12px;font-weight:600}.home-shell .history-row{align-items:flex-start;flex-direction:column;gap:8px;padding:12px 0}.home-shell .history-row strong{font-size:13px;font-weight:550}.home-shell .history-row span{font-size:11px;color:var(--home-muted)}.home-shell .history-row button{font-size:12px;padding:5px 10px}@media(max-width:1199px){.home-columns{grid-template-columns:210px minmax(0,1fr);gap:20px}.practice-desk{grid-column:2;grid-row:2}.home-library{padding:20px}.catalog-grid{grid-template-columns:repeat(2,minmax(0,140px))}.desk-current{padding:20px}.catalog-heading{flex-wrap:wrap}}@media(max-width:760px){.home-main{padding:24px 16px 0}.home-topbar{padding:14px 16px}.home-topbar>span{display:none}.home-columns{display:flex;flex-direction:column;gap:18px}.home-library,.practice-desk{width:100%}.practice-desk{position:static;max-height:none;overflow:visible;order:-1}.home-library{padding:20px}.catalog-heading h1{font-size:17px}.home-shell .catalog-card{padding:8px 12px}.catalog-grid{grid-template-columns:repeat(2,minmax(0,140px))}.section-track{display:grid;grid-template-columns:1fr 1fr;gap:0 16px}.section-track li{flex-wrap:wrap;gap:6px}.section-track li:after{display:none}.section-track .track-time{flex-basis:100%;margin-left:30px;text-align:left;max-width:none}}@media(prefers-reduced-motion:reduce){.home-shell .catalog-card{transition:none}}@media(max-width:480px){.catalog-month{grid-template-columns:36px minmax(0,1fr);gap:10px}.catalog-grid{grid-template-columns:repeat(auto-fit,minmax(100px,1fr));max-width:288px}}.desk-unselected{display:flex;align-items:center;justify-content:center}.desk-empty{text-align:center;padding:32px 24px}.desk-empty h2{font-size:17px;font-weight:550;margin:0 0 8px;color:var(--home-ink)}.desk-empty p{font-size:13px;color:var(--home-muted);margin:0;line-height:1.8}.home-shell .daily-quote{grid-column:1;grid-row:1;min-width:0;padding:20px 18px;background:var(--home-white);border:1px solid var(--home-line);border-radius:10px;align-self:start}.daily-quote header{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:6px 12px;margin-bottom:16px}.daily-quote h2{font-size:12px;letter-spacing:.05em;color:var(--home-teal);font-weight:600;margin:0}.daily-quote time{font:11px/1.5 Avenir Next,Arial,sans-serif;font-variant-numeric:tabular-nums;letter-spacing:.08em;color:var(--home-muted);white-space:nowrap}.daily-quote blockquote{margin:0}.daily-quote blockquote p{margin:0;color:var(--home-ink);font:400 17px/1.6 Georgia,Times New Roman,serif;overflow-wrap:anywhere}.daily-quote .quote-translation{font-size:12px;line-height:1.8;color:var(--home-muted);margin:12px 0 0}.daily-quote .quote-note{font-size:12px;line-height:1.7;color:var(--home-teal);border-top:1px solid var(--home-line);margin:18px 0 0;padding-top:12px}@media(max-width:760px){.home-shell .daily-quote{width:100%;order:1;padding:20px}}.history-actions{display:flex;flex-wrap:wrap;gap:8px;align-items:center}.home-shell .history-actions .history-delete{color:#a2443a;border-color:#ebd9d6;background:#fff}.history-undo{padding:12px;background:var(--home-bg);border-radius:5px;display:flex;align-items:center;justify-content:space-between;gap:10px;font-size:12px;color:var(--home-muted)}.home-shell .history-undo button{font-size:12px;padding:5px 9px;white-space:nowrap}.auth-page{min-height:100dvh;display:grid;place-items:center;padding:32px 20px;background:#f2f6f5;color:#213c3e;font:15px/1.6 PingFang SC,Segoe UI,sans-serif}.auth-card{width:100%;max-width:420px;padding:34px;background:#fff;border:1px solid #dce6e3;border-radius:10px}.auth-brand{display:flex;gap:12px;align-items:center;font:700 22px/1.4 Avenir Next,Arial,sans-serif;color:#2f7c81;margin-bottom:25px}.auth-brand span{font:500 13px PingFang SC,sans-serif;color:#627778;border-left:1px solid #dce6e3;padding-left:12px}.auth-card h1{font-size:25px;font-weight:600;line-height:1.4;margin:0 0 6px}.auth-subtitle{font-size:13px;color:#627778;margin:0 0 22px}.auth-switch{display:flex;gap:4px;padding:4px;background:#f2f6f5;border-radius:6px;margin-bottom:22px}.auth-switch button{flex:1;padding:7px 12px;background:transparent;border:1px solid transparent;font-size:14px;font-weight:500;color:#627778}.auth-switch button[aria-pressed=true]{background:#fff;color:#2f7c81;border-color:#dce6e3}.auth-card form{display:flex;flex-direction:column;gap:16px}.auth-card label{display:flex;flex-direction:column;gap:7px;font-size:13px;font-weight:500}.auth-card input{width:100%;min-height:44px;padding:10px 12px;border:1px solid #dce6e3;border-radius:5px;font-family:inherit;font-size:16px;line-height:1.4;color:#213c3e;background:#fff}.auth-card input:focus-visible{outline:2px solid #2f7c81;outline-offset:2px}.auth-card button:focus-visible{outline:3px solid #2f7c81;outline-offset:3px}.auth-card .auth-submit{margin-top:5px;background:#2f7c81;border:1px solid #2f7c81;border-radius:6px;color:#fff;font-size:15px;font-weight:600;padding:12px}.auth-card .auth-submit:hover:not(:disabled){background:#256a6f;color:#fff;border-color:#256a6f}.auth-hint{font-size:12px;color:#627778;margin:-9px 0 -3px}.auth-error{font-size:13px;color:#a2443a;background:#fff0ed;padding:10px 12px;border-radius:5px;margin:0}.home-account{display:flex;align-items:center;gap:12px}.home-account>span{max-width:160px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;font-size:13px}.home-shell .home-account button{padding:6px 10px;font-size:12px;color:var(--home-teal)}@media(max-width:480px){.auth-card{padding:26px}.home-account>span{max-width:100px}}