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#e5e7eb;border-radius:10px;padding:1px 8px;font-size:11px;font-weight:700}._activeBadge_kqzzs_79{flex-shrink:0;background-color:#fffbeb;color:#b45309;border:1px solid #fde68a;border-radius:10px;padding:1px 8px;font-size:11px;font-weight:700}._meta_kqzzs_90{margin-top:4px;font-size:12px;color:#9ca3af;display:flex;align-items:center;gap:8px;flex-wrap:wrap}._tagRow_kqzzs_101{display:flex;flex-wrap:wrap;gap:4px;margin-top:8px}._tagChip_kqzzs_108{background-color:#eff6ff;color:#4a90d9;border-radius:10px;padding:2px 8px;font-size:11px;font-weight:600}._sharedBadge_kqzzs_117{background-color:#ecfdf5;color:#059669;border-radius:10px;padding:2px 8px;font-size:11px;font-weight:600}._importedBadge_kqzzs_126{background-color:#f5f3ff;color:#7c3aed;border-radius:10px;padding:2px 8px;font-size:11px;font-weight:600}._deleteButton_kqzzs_136{position:absolute;top:12px;right:12px;width:30px;height:30px;border:none;border-radius:8px;background:none;color:#9ca3af;font-size:14px;cursor:pointer;opacity:.55}._deleteButton_kqzzs_136:hover{opacity:1;background-color:#fef2f2}._empty_kqzzs_156{padding:48px 16px;text-align:center}._emptyText_kqzzs_161{font-size:17px;font-weight:700;color:#374151}._emptyHint_kqzzs_167{margin-top:6px;font-size:14px;color:#9ca3af}._emptyAction_kqzzs_173{margin-top:16px;background-color:#4a90d9;color:#fff;border:none;border-radius:10px;padding:12px 24px;font-size:15px;font-weight:600;cursor:pointer}._emptyAction_kqzzs_173:hover{background-color:#3a7bc8}._dueChip_kqzzs_190,._freshChip_kqzzs_191{border-radius:999px;padding:2px 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12px;border-radius:8px}._navBadge_1qlyw_56{display:inline-block;margin-left:6px;background-color:#ef4444;color:#fff;border-radius:999px;font-size:11px;font-weight:700;padding:1px 7px;vertical-align:1px}._navLink_1qlyw_41:hover{color:#fff;background-color:#ffffff14}._navActive_1qlyw_73{color:#fff;background-color:#ffffff24}._navUser_1qlyw_78{display:flex;align-items:center;gap:10px;white-space:nowrap}._userName_1qlyw_85{font-size:13px;color:#d1d5db;font-weight:600}._logout_1qlyw_91{background:none;border:1px solid #4b5563;border-radius:8px;padding:4px 10px;font-size:12px;font-weight:600;color:#d1d5db;cursor:pointer}._logout_1qlyw_91:hover{color:#fff;border-color:#9ca3af}._content_1qlyw_109{flex:1;display:flex;flex-direction:column;width:100%;max-width:960px;margin:0 auto;background-color:#f9fafb;box-shadow:0 0 0 1px #e5e7eb;min-height:0}@media(max-width:720px){._brandMark_1qlyw_35{height:22px}._userName_1qlyw_85{display:none}._navInner_1qlyw_16{gap:10px}}._toggle_zx10b_1{display:inline-flex;background-color:#fff;border:1px solid #e5e7eb;border-radius:16px;padding:2px;gap:2px}._option_zx10b_10{background:none;border:none;border-radius:13px;padding:4px 10px;font-size:12px;font-weight:700;color:#9ca3af;cursor:pointer}._active_zx10b_21{background-color:#eff6ff;color:#4a90d9}._container_iilhn_1{display:flex;flex-direction:column;flex:1;min-height:0}._header_iilhn_10{padding:16px;background-color:#fff;border-bottom:1px solid #E5E7EB}._userRow_iilhn_16{display:flex;justify-content:flex-end;align-items:center;gap:10px;margin-bottom:4px}._userName_iilhn_24{font-size:13px;color:#6b7280;font-weight:600}._logout_iilhn_30{background:none;border:1px solid #E5E7EB;border-radius:8px;padding:4px 10px;font-size:12px;font-weight:600;color:#6b7280;cursor:pointer}._logout_iilhn_30:hover{background-color:#f3f4f6}._title_iilhn_45{font-size:24px;font-weight:700;color:#1f2937;margin-bottom:16px;text-align:center}._headerButtons_iilhn_53{display:flex;gap:10px;flex-wrap:wrap}._newButton_iilhn_59{background-color:#4a90d9;padding:14px 20px;border-radius:12px;border:none;cursor:pointer;color:#fff;font-size:16px;font-weight:600;flex:1}._newButton_iilhn_59:hover{background-color:#3a7bc8}._composeButton_iilhn_75{background-color:#10b981;padding:14px 20px;border-radius:12px;border:none;cursor:pointer;color:#fff;font-size:16px;font-weight:600;flex:1}._composeButton_iilhn_75:hover{background-color:#059669}._studyButton_iilhn_91{background-color:#7c3aed;padding:14px 20px;border-radius:12px;border:none;cursor:pointer;color:#fff;font-size:16px;font-weight:600;flex:1}._studyButton_iilhn_91:hover{background-color:#6d28d9}._discoverButton_iilhn_107{background-color:#f59e0b;padding:14px 20px;border-radius:12px;border:none;cursor:pointer;color:#fff;font-size:16px;font-weight:600;flex:1}._discoverButton_iilhn_107:hover{background-color:#d97706}._teacherButton_iilhn_123{background-color:#8b5cf6;padding:14px 20px;border-radius:12px;border:none;cursor:pointer;color:#fff;font-size:16px;font-weight:600}._teacherButton_iilhn_123:hover{background-color:#7c3aed}._teachBanner_iilhn_139{display:flex;align-items:center;justify-content:space-between;gap:12px;margin:0 16px 8px;background-color:#fffbeb;border:1px solid #fcd34d;color:#92400e;border-radius:12px;padding:12px 16px;font-size:14px;font-weight:600;cursor:pointer;text-align:left;font-family:inherit}._teachBanner_iilhn_139:hover{background-color:#fef3c7}._teachBannerGo_iilhn_161{white-space:nowrap;color:#b45309;font-weight:700}._requestStrip_iilhn_168{display:flex;flex-wrap:wrap;gap:8px;padding:0 16px 8px}._requestChip_iilhn_175{display:flex;align-items:center;gap:8px;background-color:#f5f3ff;border:1px solid #ddd6fe;color:#6d28d9;border-radius:999px;padding:6px 8px 6px 14px;font-size:13px;font-weight:500}._requestCancel_iilhn_188{background:none;border:none;color:#8b5cf6;cursor:pointer;font-size:12px;padding:2px 6px;border-radius:999px}._requestCancel_iilhn_188:hover{background-color:#ede9fe}._tagRow_iilhn_203{display:flex;flex-wrap:wrap;gap:8px;padding:16px 16px 0}._tagButton_iilhn_210{background-color:#fff;border:1px solid #e5e7eb;border-radius:16px;padding:6px 14px;font-size:13px;font-weight:600;color:#6b7280;cursor:pointer}._tagActive_iilhn_221{background-color:#eff6ff;border-color:#4a90d9;color:#4a90d9}._content_iilhn_227{flex:1;overflow-y:auto;min-height:0}._listCount_iilhn_235{padding:8px 16px 0;font-size:13px;color:#6b7280}._errorBanner_iilhn_241{background-color:#fee2e2;color:#991b1b;padding:12px 16px;display:flex;justify-content:space-between;align-items:center}._errorDismiss_iilhn_250{background:none;border:none;color:#991b1b;cursor:pointer;font-weight:600}._newContentBanner_iilhn_260{display:flex;align-items:center;justify-content:space-between;gap:12px;margin:0 16px 8px;background-color:#eff6ff;border:1px solid #bfdbfe;color:#1e40af;border-radius:12px;padding:12px 16px;font-size:14px;cursor:pointer;text-align:left}._newContentBanner_iilhn_260:hover{background-color:#dbeafe}._pager_iilhn_281{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:0 16px 20px}._pagerCount_iilhn_289{font-size:12px;color:#9ca3af}._moreButton_iilhn_294{background-color:#fff;border:1px solid #e5e7eb;border-radius:10px;padding:8px 18px;font-size:14px;font-weight:600;color:#4a90d9;cursor:pointer}._moreButton_iilhn_294:disabled{opacity:.5;cursor:default}._container_1vuwo_1{display:flex;flex-direction:row;gap:4px;padding:4px 0;overflow-x:auto}._wordCard_1vuwo_9{background-color:#fffc;border:1px solid transparent;border-radius:8px;padding:8px;display:flex;flex-direction:column;align-items:center;min-width:50px;max-width:120px;flex-shrink:0;cursor:pointer;font:inherit}._wordCard_1vuwo_9:hover{border-color:#bfdbfe;background-color:#eff6ff}._playing_1vuwo_29{border-color:#4a90d9;background-color:#eff6ff}._chinese_1vuwo_34{font-size:16px;font-weight:600;color:#1f2937}._pinyin_1vuwo_40{font-size:11px;color:#6b7280;margin-top:2px}._english_1vuwo_46{font-size:10px;color:#9ca3af;margin-top:2px;text-align:center;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}._overlay_t7hb9_1{position:fixed;top:0;right:0;bottom:0;left:0;background-color:#00000073;z-index:1000;display:flex;align-items:center;justify-content:center;padding:24px 16px;opacity:0;transition:opacity .15s ease}._overlayVisible_t7hb9_14{opacity:1}._dialog_t7hb9_18{background-color:#fff;border-radius:16px;box-shadow:0 12px 40px #00000038;width:100%;max-width:520px;max-height:85vh;display:flex;flex-direction:column;transform:scale(.96);transition:transform .15s ease}._dialogVisible_t7hb9_31{transform:scale(1)}._header_t7hb9_35{display:flex;justify-content:space-between;align-items:center;padding:14px 18px;border-bottom:1px solid 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16px;font-size:14px;font-weight:600;cursor:pointer}._playButton_t7hb9_90:hover{background-color:#dbeafe}._sectionLabel_t7hb9_107{margin-top:12px;font-size:12px;font-weight:700;text-transform:uppercase;letter-spacing:.04em;color:#9ca3af}._hint_t7hb9_116{text-transform:none;letter-spacing:0;font-weight:500}._englishText_t7hb9_122{font-size:16px;color:#374151}._container_hqixr_1{padding:3px 32px}._teacherContainer_hqixr_5{display:flex;justify-content:flex-start}._studentContainer_hqixr_10{display:flex;justify-content:flex-end}._bubble_hqixr_15{max-width:90%;padding:8px 12px;border-radius:12px}._teacherBubble_hqixr_21{background-color:#e5e7eb;border-bottom-left-radius:4px}._studentBubble_hqixr_26{background-color:#dbeafe;border-bottom-right-radius:4px}._crutchRecordedBubble_hqixr_31{border:2px solid #F59E0B}._crutchSkippedBubble_hqixr_35{border:2px solid #EF4444}._headerRow_hqixr_39{display:flex;justify-content:flex-end;align-items:center;margin-bottom:4px}._mandarinText_hqixr_46{font-size:18px;color:#1f2937;line-height:24px}._englishText_hqixr_53{font-size:16px;color:#374151;line-height:23px}._actions_hqixr_59{display:flex;flex-direction:row;gap:6px}._actionButton_hqixr_65{min-width:26px;height:26px;border-radius:13px;background-color:#0000001a;display:flex;align-items:center;justify-content:center;flex-direction:row;padding:0 6px;gap:3px;border:none;cursor:pointer}._ttsButton_hqixr_80{background-color:#3b82f6}._actionIcon_hqixr_84{font-size:11px}._audioLabel_hqixr_88{font-size:9px;font-weight:600;color:#1f2937}._ttsText_hqixr_94{color:#fff}._container_1hp2t_1{display:flex;flex-wrap:wrap;align-items:center;gap:6px}._label_1hp2t_8{font-size:13px;color:#6b7280;font-weight:600}._chip_1hp2t_14{display:inline-flex;align-items:center;gap:4px;background-color:#eff6ff;color:#4a90d9;border:1px solid #bfdbfe;border-radius:12px;padding:3px 8px 3px 10px;font-size:13px;font-weight:600}._remove_1hp2t_27{background:none;border:none;color:#4a90d9;font-size:14px;cursor:pointer;padding:0 2px;line-height:1}._remove_1hp2t_27:hover{color:#1e5a9e}._input_1hp2t_41{border:1px dashed #d1d5db;border-radius:12px;padding:4px 10px;font-size:13px;width:100px}._input_1hp2t_41:focus{outline:none;border-color:#4a90d9;border-style:solid}._error_1hp2t_55{color:#b91c1c;font-size:12px}._container_1wfmr_1{display:inline-flex;vertical-align:middle;background-color:#f3f4f6;border:1px solid #e5e7eb;border-radius:14px;padding:2px;gap:2px}._option_1wfmr_11{background:none;border:none;border-radius:12px;padding:3px 9px;font-size:12px;font-weight:700;color:#9ca3af;cursor:pointer}._option_1wfmr_11:hover{color:#374151}._active_1wfmr_26{background-color:#fff;color:#4a90d9;box-shadow:0 1px 2px #00000014}._header_15v0e_1{display:flex;align-items:center;justify-content:space-between;gap:12px;background-color:#fff;padding:10px 16px;border-bottom:1px solid #e5e7eb;min-height:52px}._left_15v0e_12{display:flex;align-items:center;gap:10px;min-width:0}._back_15v0e_19{background:none;border:1px solid #e5e7eb;border-radius:8px;width:32px;height:32px;font-size:16px;color:#374151;cursor:pointer;flex-shrink:0;line-height:1}._back_15v0e_19:hover{background-color:#f3f4f6}._title_15v0e_36{font-size:16px;font-weight:700;color:#1f2937;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}._right_15v0e_45{display:flex;align-items:center;gap:10px;flex-shrink:0}._container_yhddt_1{display:flex;flex-direction:column;flex:1;min-height:0}._loading_yhddt_10{flex:1;display:flex;align-items:center;justify-content:center}._header_yhddt_17{background-color:#fff;padding:16px;border-bottom:1px solid #E5E7EB;text-align:center}._meta_yhddt_24{font-size:13px;color:#9ca3af}._tagRow_yhddt_29,._langRow_yhddt_35{margin-top:10px;display:flex;justify-content:center}._shareToggle_yhddt_41{margin-top:8px;background:none;border:1px dashed #d1d5db;border-radius:12px;padding:5px 14px;font-size:12px;font-weight:600;color:#6b7280;cursor:pointer}._shareToggle_yhddt_41:hover{border-color:#4a90d9;color:#4a90d9}._shareOn_yhddt_58{border:1px solid #10b981;color:#059669;background-color:#ecfdf5}._messages_yhddt_64{flex:1;overflow-y:auto;padding:16px 0;min-height:0}._footer_yhddt_71{padding:16px;background-color:#fff;border-top:1px solid #E5E7EB}._legend_yhddt_77{display:flex;justify-content:space-around;margin-bottom:16px;padding:8px;background-color:#f9fafb;border-radius:8px}._legendItem_yhddt_86{display:flex;align-items:center;gap:4px}._legendIcon_yhddt_92,._legendText_yhddt_97{font-size:12px;color:#6b7280}._practiceButton_yhddt_102{background-color:#10b981;padding:14px;border-radius:12px;border:none;cursor:pointer;color:#fff;font-size:16px;font-weight:600;width:100%;margin-bottom:10px}._practiceButton_yhddt_102:hover{background-color:#059669}._backButton_yhddt_119{background-color:#4a90d9;padding:14px;border-radius:12px;border:none;cursor:pointer;color:#fff;font-size:16px;font-weight:600;width:100%}._backButton_yhddt_119:hover{background-color:#3a7bc8}._footerRow_yhddt_136{display:flex;gap:10px;margin-bottom:8px}._secondaryAction_yhddt_142{flex:1;background-color:#f3f4f6;color:#374151;border:1px solid #e5e7eb;border-radius:12px;padding:12px;font-size:14px;font-weight:600;cursor:pointer}._secondaryAction_yhddt_142:hover{background-color:#e5e7eb}._footerNote_yhddt_158{font-size:12px;color:#9ca3af;text-align:center}._activity_1mii5_14{background-color:#fff;border:1px solid #e5e7eb;border-radius:12px;padding:16px;display:flex;flex-direction:column;gap:12px}._formatChip_1mii5_24{align-self:flex-end;font-size:11px;color:#4b5563;background-color:#f3f4f6;border-radius:999px;padding:3px 10px}._prompt_1mii5_33{font-size:14px;font-weight:600;color:#374151}._english_1mii5_39{font-size:16px;color:#4b5563}._sentence_1mii5_44{font-size:24px;line-height:1.5;color:#1f2937}._sentencePinyin_1mii5_50{font-size:15px;color:#6b7280;line-height:1.5;margin-top:-4px}._meaningHint_1mii5_57{font-size:15px;color:#4b5563;font-style:italic}._mark_1mii5_63{background-color:#fef08a;border-radius:4px;padding:0 2px}._hint_1mii5_69{font-size:12px;color:#9ca3af}._error_1mii5_74{color:#b91c1c;background-color:#fef2f2;border-radius:8px;padding:8px 12px;font-size:13px}._options_1mii5_84{display:flex;flex-direction:column;gap:8px}._option_1mii5_84{text-align:left;background-color:#f9fafb;border:1px solid #e5e7eb;border-radius:8px;padding:12px 14px;font-size:17px;color:#1f2937;cursor:pointer}._optionText_1mii5_102{display:block}._optionPinyin_1mii5_106{display:block;margin-top:2px;font-size:13px;color:#6b7280}._optionSelected_1mii5_116 ._optionPinyin_1mii5_106{color:#4b5563}._optionCorrect_1mii5_120 ._optionPinyin_1mii5_106{color:#047857}._optionWrong_1mii5_124 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