.print-preview[data-v-91261792]{background:#fff;inset:0;overflow-y:auto;position:fixed;z-index:9999}.print-toolbar[data-v-91261792]{background:#f8f9fa;border-bottom:1px solid #dee2e6;justify-content:space-between;padding:16px 24px;position:sticky;top:0;z-index:10}.print-options[data-v-91261792],.print-toolbar[data-v-91261792]{align-items:center;display:flex}.print-options[data-v-91261792]{gap:20px}.print-options label[data-v-91261792]{align-items:center;cursor:pointer;display:flex;font-size:14px;gap:8px}.print-options input[type=checkbox][data-v-91261792]{height:16px;width:16px}.print-actions[data-v-91261792]{display:flex;gap:12px}.btn[data-v-91261792]{background:#fff;border:1px solid transparent;border-radius:4px;cursor:pointer;font-size:14px;padding:8px 16px;transition:all .2s}.btn-primary[data-v-91261792]{background:#007bff;border-color:#007bff;color:#fff}.btn-secondary[data-v-91261792]{background:#6c757d;border-color:#6c757d;color:#fff}.btn[data-v-91261792]:hover{opacity:.9;transform:translateY(-1px)}.print-content[data-v-91261792]{background:#fff!important;background-color:#fff!important;color:#333;font-size:14px;line-height:1.6;margin:0 auto;max-width:210mm;min-height:297mm;padding:16px 24px}@media print{.print-content[data-v-91261792]{background:#fff!important;background-color:#fff!important}}.page-header[data-v-91261792]{border-bottom:2px solid #007bff;margin-bottom:24px;padding-bottom:16px;text-align:center}.page-header h1[data-v-91261792]{color:#333;font-size:24px;margin-bottom:12px}.note-description[data-v-91261792]{color:#666;font-size:14px;line-height:1.6;margin-bottom:16px;text-align:center}.meta-info[data-v-91261792]{color:#666;display:flex;flex-wrap:wrap;font-size:12px;gap:8px;justify-content:space-around}.meta-info p[data-v-91261792]{margin:0}.study-content[data-v-91261792]{font-size:16px;line-height:2;margin-bottom:40px;white-space:pre-wrap;word-wrap:break-word}.cloze-item[data-v-91261792],.text-item[data-v-91261792]{display:inline}.cloze-blank[data-v-91261792]{color:#007bff;font-weight:500;position:relative}.cloze-number[data-v-91261792]{border:none;color:#007bff;font-weight:600;margin-right:2px;text-decoration:none}.underline[data-v-91261792]{border-bottom:1px solid #333;display:inline-block;line-height:1.2;margin:0 2px;min-width:40px;text-decoration:none}.page-break[data-v-91261792]{margin-top:24px}.section-header[data-v-91261792]{border-bottom:2px solid #007bff;margin-bottom:24px;padding-bottom:12px}.section-header h2[data-v-91261792]{color:#333;font-size:20px;margin:0 0 8px}.section-description[data-v-91261792]{color:#666;font-size:14px;font-style:italic;margin:0}.original-content-section[data-v-91261792]{margin-bottom:24px}.original-content[data-v-91261792]{color:#333;font-size:16px;line-height:2;white-space:pre-wrap;word-wrap:break-word}.content-cloze[data-v-91261792],.content-text[data-v-91261792]{display:inline}.cloze-answer-marked[data-v-91261792]{background:#fff3cd;border:1px solid #ffeaa7;border-radius:4px;color:#856404;display:inline;font-weight:600;padding:2px 6px;vertical-align:baseline}.cloze-number-original[data-v-91261792]{color:#007bff;font-weight:700;margin-right:2px}.cloze-content-section[data-v-91261792]{margin-bottom:24px}.answer-section[data-v-91261792]{margin-top:24px}.answer-list[data-v-91261792]{display:grid;gap:8px;margin:0 auto;max-width:500px}.answer-item[data-v-91261792]{align-items:center;background:#f8f9fa;border-left:3px solid #007bff;border-radius:4px;display:flex;gap:12px;padding:8px}.answer-number[data-v-91261792]{color:#007bff;font-weight:700;min-width:20px}.answer-text[data-v-91261792]{flex:1;white-space:pre-wrap;word-wrap:break-word}.editor-content-section[data-v-91261792]{margin-bottom:24px}.editor-content[data-v-91261792]{color:#333;font-size:16px;line-height:2}.editor-content[data-v-91261792] cloze{background:#fff3cd;border:1px solid #ffeaa7;border-radius:4px;color:#856404;font-weight:600;padding:2px 6px}.page-footer[data-v-91261792]{background:#f8f9fae6;border-top:1px solid #dee2e6;bottom:0;left:0;padding:12px 0;position:fixed;right:0}.footer-content[data-v-91261792]{color:#666;display:flex;font-size:12px;justify-content:space-between;margin:0 auto;max-width:210mm;padding:0 20mm}.page-break[data-v-91261792]{page-break-before:always}@media print{@page{size:A4;margin:15mm 15mm 25mm;@bottom-center{color:#666;content:"带背-挖空学习  —  第 " counter(page) " 页";font-family:-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;font-size:10pt}}@page :first{margin-top:10mm}body[data-v-91261792],html[data-v-91261792]{background:#fff!important;height:auto!important;margin:0!important;min-height:0!important;padding:0!important}#__nuxt[data-v-91261792],#__nuxt[data-v-91261792]>*,body[data-v-91261792]>:not(.print-only):not(.print-preview){display:none!important;visibility:hidden!important}body>.print-only[data-v-91261792],body>.print-preview[data-v-91261792]{background:#fff!important;display:block!important;position:static!important;visibility:visible!important}.print-page[data-v-91261792]:first-child,.print-page:first-child .section-header[data-v-91261792],.print-page:first-child .section-header h2[data-v-91261792]{margin-top:0!important;padding-top:0!important}.print-preview[data-v-91261792]{background:#fff!important;display:block!important;height:auto!important;margin:0!important;overflow:visible!important;padding:0!important;position:static!important;width:100%!important}.no-print[data-v-91261792],.print-toolbar[data-v-91261792]{display:none!important;height:0!important;left:-9999px!important;overflow:hidden!important;position:absolute!important;top:-9999px!important;visibility:hidden!important;width:0!important}.print-content[data-v-91261792]{background:#fff!important;background-color:#fff!important;font-size:12pt!important;margin:0!important;max-width:none!important;min-height:0!important;padding:0!important;-webkit-print-color-adjust:exact!important;print-color-adjust:exact!important}.print-content[data-v-91261792]>:first-child{margin-top:0!important;padding-top:0!important;page-break-before:avoid!important}.print-page[data-v-91261792]{margin:0!important;padding:0!important;position:relative;page-break-after:auto}.print-content>.print-page[data-v-91261792]:first-child{padding-top:0!important}.page-header[data-v-91261792]{margin-bottom:20px!important;page-break-after:avoid!important}.page-header h1[data-v-91261792]{font-size:18pt!important}.page-break[data-v-91261792]{page-break-before:always!important;-moz-column-break-before:page!important;break-before:page!important;margin-top:0!important;padding-top:10mm!important}.section-header[data-v-91261792]{page-break-after:avoid!important;-moz-column-break-after:avoid!important;break-after:avoid!important}.answer-item[data-v-91261792]{page-break-inside:avoid!important;-moz-column-break-inside:avoid!important;break-inside:avoid!important}.section-header[data-v-91261792]{margin-bottom:15px!important}.section-header[data-v-91261792],.section-header h2[data-v-91261792]{margin-top:0!important;padding-top:0!important}.section-header h2[data-v-91261792]{font-size:16pt!important}.section-description[data-v-91261792]{font-size:11pt!important}.original-content[data-v-91261792]{font-size:14pt!important;line-height:2!important;white-space:pre-wrap!important;word-wrap:break-word!important}.cloze-answer-marked[data-v-91261792],.content-cloze[data-v-91261792],.content-text[data-v-91261792]{display:inline!important}.cloze-answer-marked[data-v-91261792]{background:#fff3cd!important;border:1px solid #ddd!important;border-radius:3px!important;color:#000!important;font-weight:600!important;padding:2px 6px!important;print-color-adjust:exact!important;-webkit-print-color-adjust:exact!important;vertical-align:baseline!important}.cloze-number-original[data-v-91261792]{color:#000!important;font-weight:700!important}.study-content[data-v-91261792]{font-size:14pt;line-height:2;white-space:pre-wrap!important;word-wrap:break-word!important}.cloze-blank[data-v-91261792],.cloze-item[data-v-91261792],.text-item[data-v-91261792]{display:inline}.cloze-blank[data-v-91261792],.cloze-number[data-v-91261792]{color:#000!important}.cloze-number[data-v-91261792]{background:none!important;border:none!important;font-weight:600;text-decoration:none!important}.underline[data-v-91261792]{border-bottom:1px solid #000!important;display:inline-block;line-height:1.2;padding-bottom:2px}.answer-section[data-v-91261792]{page-break-before:always;margin-top:50px}.answer-section h2[data-v-91261792]{font-size:16pt}.answer-item[data-v-91261792]{background:transparent!important;border:1px solid #ccc!important;-moz-column-break-inside:avoid;break-inside:avoid;page-break-inside:avoid}.answer-text[data-v-91261792]{white-space:pre-wrap!important;word-wrap:break-word!important}.editor-content-section[data-v-91261792]{margin-top:0!important}.editor-content-section h2[data-v-91261792]{font-size:16pt;margin-top:0!important}.editor-content[data-v-91261792]{font-size:14pt;line-height:2}.editor-content[data-v-91261792] cloze{background:#fff3cd!important;border:1px solid #ddd!important;border-radius:3px!important;color:#000!important;display:inline!important;font-weight:600!important;padding:2px 18px 2px 6px!important;position:relative!important;print-color-adjust:exact!important;-webkit-print-color-adjust:exact!important;white-space:nowrap!important;page-break-inside:avoid!important;-moz-column-break-inside:avoid!important;break-inside:avoid!important}.editor-content[data-v-91261792] cloze:after{display:inline-block!important;font-size:8px!important;margin-left:2px!important;position:relative!important;vertical-align:super!important;page-break-inside:avoid!important;-moz-column-break-inside:avoid!important;break-inside:avoid!important}cloze[data-v-91261792]{display:inline!important;padding-right:18px!important;white-space:nowrap!important}cloze[data-v-91261792],cloze[data-v-91261792]:after{position:relative!important;page-break-inside:avoid!important;-moz-column-break-inside:avoid!important;break-inside:avoid!important}cloze[data-v-91261792]:after{display:inline-block!important;font-size:8px!important;margin-left:2px!important;vertical-align:super!important}.page-footer.no-print-footer[data-v-91261792]{display:none!important}}@media screen and (max-width:768px){.print-toolbar[data-v-91261792]{align-items:stretch;flex-direction:column;gap:16px}.print-options[data-v-91261792]{flex-direction:column;gap:12px}.print-content[data-v-91261792]{max-width:none;padding:16px}.meta-info[data-v-91261792]{flex-direction:column;gap:8px}}