.textbook-workbench{grid-template-columns:260px minmax(0,1fr) minmax(0,1.03fr)}.book-settings .exam-controls-scroll{padding:16px 13px}.book-section-title{display:flex;align-items:center;gap:8px;color:#e7eefb;font-size:14px;font-weight:600}.book-section-title span{font-size:7px;letter-spacing:1px;border:1px solid #5279b9;padding:2px 4px;border-radius:3px;color:#8ab5ff}.book-intro{color:#8d9cb2;font-size:10px;margin:7px 0 17px}.book-source-chooser{display:flex;gap:6px;margin:8px 0}.book-source-chooser select{width:100%;min-width:0}.book-source-chooser button{white-space:nowrap;border:1px solid #46546a;padding:4px 9px;border-radius:5px;color:#b9c9e0;font-size:10px}.book-import-note{font-size:9px;color:#bba776;line-height:1.8;margin:4px 0 18px;overflow-wrap:anywhere}.book-field{display:flex;flex-direction:column;gap:6px;color:#9baac0;font-size:10px;margin-bottom:13px}.book-field input,.book-field textarea,.book-field select,.book-source-chooser select,.book-unit-bar select,.book-candidate-bar select{background:#192435;color:#e0e9f6;border:1px solid #36475f;border-radius:5px;font-size:11px;padding:8px 9px;width:100%;line-height:1.6}.book-field textarea{resize:vertical}.book-form-two{display:grid;grid-template-columns:1fr 1fr;gap:0 9px}.book-caption{color:#8e9db5;font-size:10px;line-height:1.9;margin:5px 0 17px}.book-controls-foot{border-top:1px solid #35425a}.book-controls-foot .book-model-state{color:#8ebd9d;width:100%;font-size:9px;margin-bottom:3px}.book-editor-pane .exam-panel-head{height:40px;min-height:40px;padding:0 9px}.book-editor-pane .exam-editor-tabs{height:40px;gap:10px}.book-editor-pane .exam-editor-tabs button{font-size:10px}.book-unit-bar{display:flex;align-items:center;gap:7px;padding:10px 13px;border-bottom:1px solid #344052;min-height:44px;color:#8e9fb6;font-size:9px}.book-unit-bar select{padding:5px 7px;font-size:10px;min-width:0;flex:1}.book-unit-bar button{font-size:9px;white-space:nowrap;color:#b1c6e5}.book-editor-content{flex:1;overflow:auto;min-height:0;padding:18px 15px;scrollbar-width:thin}.book-editor-heading{display:flex;align-items:center;justify-content:space-between;gap:10px;margin:0 0 16px}.book-editor-heading h2{font-size:13px;font-weight:550;color:#dce7fa}.book-editor-heading span{font-size:9px;color:#8c9fb7}.book-source-text{display:block;width:100%;min-height:300px;height:calc(100% - 100px);background:#1b2739;border:1px solid #3c4c63;border-radius:7px;color:#d5dfef;padding:15px 13px;font-size:12px;line-height:2;resize:vertical}.book-source-text:focus{outline:2px solid #5481c1}.book-editor-foot{display:flex;gap:10px;justify-content:space-between;padding:10px 13px;border-top:1px solid #354258;font-size:9px;color:#8d9db5}.book-editor-foot button{display:flex;align-items:center;gap:5px;color:#adbed8;font-size:9px}.book-editor-foot .tool-icon{width:11px;height:11px}.book-subhead{font-size:11px;display:flex;align-items:center;justify-content:space-between;color:#d3dff0;margin:9px 0 12px}.book-subhead span,.book-subhead button{font-size:9px;color:#8c9fb9}.book-edit-card{padding:12px;border:1px solid #3b4b62;border-radius:7px;margin:13px 0;background:#1b2738}.book-question-label{font-size:11px;color:#d0def0;white-space:pre-wrap;line-height:1.9;margin-bottom:14px}.book-add{border:1px dashed #4a6488;border-radius:6px;padding:9px;width:100%;font-size:11px;color:#9cbff8;margin:3px 0 15px}.book-empty-inline{color:#9babbe;font-size:11px;line-height:1.9;padding:25px 12px;border:1px dashed #445775;border-radius:8px;margin-bottom:16px}.book-job-bar{font-size:9px;color:#99aac4;background:#192638;border-bottom:1px solid #364861}.book-job-bar>span{display:block;padding:9px 12px}.book-job-status{display:flex;align-items:center;gap:7px;padding:9px 11px;line-height:1.7}.book-job-status b{font-size:9px;white-space:nowrap;color:#accdff}.book-job-status span{min-width:0;flex:1}.book-job-status button{color:#d9e6ff;background:#2c4e80;border-radius:4px;padding:5px 7px;font-size:9px;white-space:nowrap}.book-job-status.done b{color:#87c8a0}.book-job-status.failed b{color:#e5aa96}.book-preview-pane .exam-panel-head{height:40px;min-height:40px}.book-preview-toolbar{display:flex;align-items:center;gap:8px;padding:7px 10px;background:#1c293c;border-bottom:1px solid #36415a;font-size:9px}.book-preview-toolbar button{font-size:9px;padding:4px 6px;color:#8e9fbb;border-radius:4px}.book-preview-toolbar button.active{color:#b4cffb;background:#2a3e5c}.book-preview-toolbar span{margin-left:auto;color:#9cb48c;font-size:8px}.book-preview{padding:12px 12px 20px;background:#121c2c}.book-preview .book-paper{padding:58px 55px 45px;min-height:1123px;font-family:-apple-system,"PingFang SC","Microsoft YaHei",sans-serif;color:var(--book-ink);font-size:14px;line-height:1.9}.book-paper-top{display:flex;justify-content:space-between;color:#7d8a81;font-size:11px;border-bottom:1px solid #d9e0d7;padding-bottom:12px;margin-bottom:25px}.book-paper h1{font-size:31px;line-height:1.5;margin:0 0 6px;font-weight:650;text-align:left}.book-paper-subtitle{font-size:14px;color:#8c9c90;margin:0 0 18px}.book-name-line{font-size:12px;color:#8b978e;margin:23px 0}.book-paper h2{font-size:15px;font-weight:600;background:var(--book-soft);padding:8px 12px;border-radius:3px;margin:25px 0 15px}.book-paper h3{font-size:15px;font-weight:600;margin-bottom:8px}.book-lesson-text{white-space:normal;overflow-wrap:anywhere;font-size:14px;line-height:1.9}.book-paper-cards{display:grid;grid-template-columns:1fr 1fr;gap:12px}.book-paper-cards section{border:1px solid #dbe2d6;border-radius:7px;padding:16px 14px;font-size:13px;line-height:1.8;overflow-wrap:anywhere}.book-paper-cards p{margin:0 0 7px}.book-example{color:#ac7148}.book-paper-question{margin:0 0 16px;white-space:normal;font-size:14px;overflow-wrap:anywhere;break-inside:avoid}.book-paper-question p{margin:0 0 7px}.book-paper-question .book-answer{color:#517c52}.book-paper-tip{margin-top:26px;border-left:3px solid #9ab08b;padding:9px 14px;background:#f3f6ef;font-size:12px}.book-paper-empty{padding:70px 15px;border:1px dashed #cbd4c7;border-radius:7px;color:#899b82;text-align:center;margin-top:45px;font-size:13px;line-height:2}.book-paper-empty h3{font-size:18px;margin-bottom:17px}.book-candidate-bar{display:flex;flex-wrap:wrap;align-items:center;gap:7px;background:#233e3a;color:#b4d6c1;border-bottom:1px solid #416457;padding:9px 10px;font-size:9px}.book-candidate-bar select{min-width:0;flex:1;padding:5px 7px;font-size:10px;background:#1b302b;border-color:#3e6757}.book-candidate-bar button{display:flex;gap:4px;align-items:center;color:#ecfff1;border-radius:4px;background:#3e7359;padding:6px 7px;font-size:9px;white-space:nowrap}.book-candidate-bar .tool-icon{width:12px;height:12px}.book-preview-pane .book-current-preview{font-size:9px;color:#94a5bd}
@media(min-width:1500px){.textbook-workbench{grid-template-columns:290px minmax(0,1fr) minmax(0,1.03fr)}}
@media(max-width:1100px){.textbook-workbench{grid-template-columns:235px minmax(0,1fr) minmax(0,1fr)}.book-editor-pane .exam-editor-tabs{gap:7px}.book-editor-pane .exam-editor-tabs button{font-size:9px}.book-settings .exam-controls-scroll{padding:15px 10px}.book-preview-toolbar{gap:3px}.book-preview-pane .book-current-preview{display:none}}
@media(max-width:700px){.textbook-workbench{grid-template-columns:minmax(0,1fr)}.book-settings .exam-controls-scroll{display:block;padding:16px 14px}.book-section-title{font-size:16px}.book-form-two{grid-template-columns:1fr 1fr}.book-settings .exam-upload{grid-column:auto}.book-settings .book-field{font-size:11px}.book-field input,.book-field textarea,.book-field select{font-size:12px;min-height:36px}.book-controls-foot .book-model-state{width:100%}.book-editor-pane{height:650px}.book-preview-pane{height:740px}.book-source-text{min-height:300px;max-height:none}.book-editor-pane .exam-editor-tabs{gap:12px}.book-editor-pane .exam-editor-tabs button{font-size:11px}.book-preview-toolbar{gap:6px}.book-preview-pane .book-current-preview{display:inline}.book-editor-content{padding:17px 13px}.book-job-status{flex-wrap:wrap}.book-job-status span{min-width:120px}.book-candidate-bar>span{width:100%}}
.book-reviewed{display:flex;align-items:center;gap:7px;color:#a7b9a2;font-size:10px;line-height:1.8;margin:14px 0}.book-reviewed input{accent-color:#6a9d6d;width:14px;height:14px;margin:0}
.textbook-workbench .exam-controls-scroll,.book-editor-content,.book-preview{scrollbar-color:#64718a #1d293b;scrollbar-width:thin}