.dialog-toolbar[data-v-346155bc]{display:flex;align-items:center;padding:8px 12px;background:#fff;border-top:1px solid #e2e8f0;gap:4px}.tool-group[data-v-346155bc]{display:flex;align-items:center;gap:2px;padding-right:8px}.tool-group.border-r[data-v-346155bc]{border-right:1px solid #d1d5db;margin-right:8px}.tool-group.disabled-group[data-v-346155bc]{opacity:.5;pointer-events:none}.icon-btn[data-v-346155bc],.format-btn[data-v-346155bc]{display:flex;align-items:center;justify-content:center;width:28px;height:28px;border:none;border-radius:4px;background:transparent;cursor:pointer;transition:background .2s}.icon-btn[data-v-346155bc]:hover:not(:disabled),.format-btn[data-v-346155bc]:hover:not(:disabled){background:#e2e8f0}.icon-btn[data-v-346155bc]:disabled,.format-btn[data-v-346155bc]:disabled{opacity:.4;cursor:not-allowed}.format-btn.active[data-v-346155bc]{background:#dbeafe}.icon-img[data-v-346155bc]{width:16px;height:16px}.btn-tool[data-v-346155bc]{display:flex;align-items:center;gap:4px;padding:4px 8px;border:none;border-radius:4px;background:transparent;font-size:12px;color:#374151;cursor:pointer}.btn-tool[data-v-346155bc]:hover{background:#e2e8f0}.select-text[data-v-346155bc]{font-size:12px}.chevron-icon[data-v-346155bc]{width:12px;height:12px;stroke:#6b7280;transition:transform .2s}.chevron-icon.rotate-180[data-v-346155bc]{transform:rotate(180deg)}.dropdown-wrapper[data-v-346155bc]{position:relative}.color-picker-wrapper[data-v-346155bc]{position:relative;display:flex;align-items:center;width:28px;height:28px;justify-content:center;border-radius:4px;cursor:pointer;transition:background .2s}.color-picker-wrapper[data-v-346155bc]:hover{background:#e2e8f0}.color-icon-img[data-v-346155bc]{width:18px;height:18px;position:absolute;left:6px;pointer-events:none;z-index:1}.color-picker-wrapper[data-v-346155bc] .el-color-picker{width:28px}.color-picker-wrapper[data-v-346155bc] .el-color-picker__trigger{width:28px;height:28px;padding:4px;border:none;border-radius:4px}.color-picker-wrapper[data-v-346155bc] .el-color-picker__color{border:none}.color-picker-wrapper[data-v-346155bc] .el-color-picker__color-inner{opacity:0}.dialog-dropdown-menu{min-width:120px;max-height:280px;overflow-y:auto;background:#fff;border:1px solid #e2e8f0;border-radius:6px;box-shadow:0 4px 12px #00000026;padding:4px 0}.dialog-dropdown-menu .menu-item{display:flex;align-items:center;justify-content:space-between;width:100%;padding:8px 12px;border:none;background:transparent;font-size:13px;color:#374151;cursor:pointer;text-align:left}.dialog-dropdown-menu .menu-item:hover{background:#f3f4f6}.dialog-dropdown-menu .menu-item.active{background:#eff6ff;color:#1d4ed8}.dialog-dropdown-menu .menu-divider{padding:6px 12px;font-size:11px;color:#9ca3af;background:#f9fafb;border-top:1px solid #e5e7eb;border-bottom:1px solid #e5e7eb}.dialog-dropdown-menu .check-icon{width:14px;height:14px;stroke:#1d4ed8}.dialog-dropdown-menu .font-preview{display:inline-block;width:24px;font-size:14px;margin-right:8px}.dialog-dropdown-menu .font-label{flex:1}.dialog-dropdown-menu .help-tip{display:inline-flex;align-items:center;justify-content:center;width:14px;height:14px;font-size:10px;color:#9ca3af;border:1px solid #d1d5db;border-radius:50%;cursor:help}.formula-search-box[data-v-d1ba9b70]{width:320px;display:flex;align-items:center;position:relative;background:#f5f7fa;border:1px solid #e2e8f0;border-radius:6px;padding:6px 12px;transition:all .2s}.formula-search-box[data-v-d1ba9b70]:focus-within{background:#fff;border-color:#2b65e9;box-shadow:0 0 0 3px #2b65e91a}.search-icon[data-v-d1ba9b70]{width:16px;height:16px;stroke:#94a3b8;flex-shrink:0;margin-right:8px}.search-input[data-v-d1ba9b70]{flex:1;border:none;background:transparent;font-size:14px;color:#333;outline:none}.search-input[data-v-d1ba9b70]::-moz-placeholder{color:#94a3b8}.search-input[data-v-d1ba9b70]::placeholder{color:#94a3b8}.clear-search-btn[data-v-d1ba9b70]{display:flex;align-items:center;justify-content:center;width:18px;height:18px;border:none;background:#e2e8f0;border-radius:50%;cursor:pointer;padding:0;margin-left:8px;transition:all .2s}.clear-search-btn svg[data-v-d1ba9b70]{width:10px;height:10px;stroke:#64748b}.clear-search-btn[data-v-d1ba9b70]:hover{background:#cbd5e1}.subject-mode-selector[data-v-d39b8c68]{display:flex;align-items:center;justify-content:flex-end;margin-right:12px}.subject-mode-btn[data-v-d39b8c68]{display:flex;align-items:center;gap:8px;padding:6px 14px;background:#eff6ff;border:1px solid #bfdbfe;border-radius:6px;color:#2b65e9;font-size:14px;cursor:pointer;transition:all .2s}.subject-mode-btn[data-v-d39b8c68]:hover{background:#dbeafe;border-color:#93c5fd}.subject-mode-btn .mode-icon[data-v-d39b8c68]{width:18px;height:18px;flex-shrink:0}.subject-mode-btn .mode-label[data-v-d39b8c68]{font-weight:500}.subject-mode-btn .chevron-icon[data-v-d39b8c68]{width:14px;height:14px;transition:transform .2s}.subject-mode-btn .chevron-icon.rotate-180[data-v-d39b8c68]{transform:rotate(180deg)}.subject-mode-dropdown{position:fixed;z-index:10001;background:#fff;padding:8px;min-width:180px;max-height:90vh;overflow-y:auto}.subject-mode-item{display:flex;align-items:center;gap:12px;padding:10px 14px;background:transparent;border:none;border-radius:8px;font-size:14px;color:#383838;cursor:pointer;transition:all .2s;text-align:left;width:100%;position:relative}.subject-mode-item:hover{background:#2b65e914}.subject-mode-item.active{background:#2b65e91f;color:#2b65e9}.subject-mode-item.active .mode-item-icon{stroke:#2b65e9}.subject-mode-item .mode-item-icon{width:18px;height:18px;flex-shrink:0;transition:stroke .2s}.subject-mode-item .mode-item-icon.math-icon{stroke:#2b65e9}.subject-mode-item .mode-item-icon.physics-icon{stroke:#8b5cf6}.subject-mode-item .mode-item-icon.chemistry-icon{stroke:#10b981}.subject-mode-item .mode-item-label{flex:1;font-size:14px;line-height:1}.subject-mode-item .check-icon{width:16px;height:16px;stroke:#2b65e9;flex-shrink:0}.mode-switch-container[data-v-dcbfcfff]{display:flex;justify-content:flex-end;padding:8px 24px;background:#fff}.mode-switch[data-v-dcbfcfff]{position:relative;display:flex;background-color:#f3f4f6;border-radius:6px;padding:2px;cursor:pointer;min-width:160px;-webkit-user-select:none;-moz-user-select:none;user-select:none}.selector[data-v-dcbfcfff]{display:block;position:absolute;top:0;left:2px;width:calc(50% - 2px);height:calc(100% + -0px);background-color:#2b65e9;border-radius:6px;transition:transform .3s cubic-bezier(.645,.045,.355,1);z-index:1}.selector.selector-latex[data-v-dcbfcfff]{transform:translate(0)}.selector.selector-visual[data-v-dcbfcfff]{transform:translate(100%)}.mode-item[data-v-dcbfcfff]{flex:1;position:relative;z-index:2;display:flex;align-items:center;justify-content:center;padding:6px 0;font-size:14px;color:#606266;transition:color .3s}.mode-item[data-v-dcbfcfff]:last-child{border:none}.mode-item[data-v-dcbfcfff]:hover{color:#409eff}.mode-item.active[data-v-dcbfcfff]{color:#fff;font-weight:500}.mode-item.active[data-v-dcbfcfff]:hover{color:#fff}.editor-area-clean[data-v-e47fc951]{flex:1!important;min-height:180px;padding:0 13px;display:flex;flex-direction:column;background:#fff;overflow:visible}.latex-mode-wrapper[data-v-e47fc951]{display:flex;gap:12px;height:200px;margin-bottom:12px}.latex-source-panel[data-v-e47fc951]{flex:1;border:1px solid #2b65e9;border-radius:8px;overflow:hidden;background:#f8fafc;box-shadow:0 2px 8px #2b65e90d}.latex-textarea[data-v-e47fc951]{width:100%;height:100%;border:none;background:transparent;padding:12px;resize:none;font-family:Monaco,Consolas,Courier New,monospace;font-size:13px;line-height:1.6;outline:none;color:#334155}.latex-textarea[data-v-e47fc951]::-moz-placeholder{color:#94a3b8;font-family:system-ui,-apple-system,Segoe UI,Roboto,Helvetica Neue,Arial,sans-serif}.latex-textarea[data-v-e47fc951]::placeholder{color:#94a3b8;font-family:system-ui,-apple-system,Segoe UI,Roboto,Helvetica Neue,Arial,sans-serif}.latex-preview-panel[data-v-e47fc951]{flex:1;border:1px solid #e2e8f0;border-radius:8px;background:#fff;position:relative;display:flex;align-items:center;justify-content:center;overflow:hidden;box-shadow:0 2px 8px #00000008}.preview-label[data-v-e47fc951]{position:absolute;top:0;right:0;background:#f1f5f9;color:#94a3b8;font-size:10px;padding:2px 8px;border-bottom-left-radius:6px;z-index:1}.preview-container[data-v-e47fc951]{padding:20px;max-width:100%;max-height:100%;overflow:auto;display:flex;align-items:center;justify-content:center}.preview-container[data-v-e47fc951]:empty:before{content:"请输入 LaTeX 代码";color:#94a3b8;font-size:14px;font-family:system-ui,-apple-system,Segoe UI,Roboto,Helvetica Neue,Arial,sans-serif}.visual-input-wrapper[data-v-e47fc951]{height:200px;border:1px solid #2b65e9;border-radius:8px;background:#fff;box-shadow:0 2px 8px #2b65e90d;display:flex;flex-direction:column;overflow:auto;margin-bottom:12px}.formula-mathfield-clean[data-v-e47fc951]{flex:1;width:100%;min-height:100%;font-size:28px;border:none;outline:none;background:transparent;padding:8px;height:auto}[data-v-e47fc951] .formula-mathfield-clean::part(virtual-keyboard-toggle),[data-v-e47fc951] .formula-mathfield-clean::part(menu-toggle){display:none!important}.editor-footer-clean[data-v-be1b3e1d]{flex-shrink:0;display:grid;grid-template-columns:1fr 1fr;gap:12px;align-items:center;padding:16px 20px 20px;background:#fafafa;border-top:1px solid #f0f0f0}.footer-left[data-v-be1b3e1d]{display:flex;gap:10px}.footer-center[data-v-be1b3e1d]{grid-column:2;grid-row:1;justify-self:start;display:flex;align-items:center}.footer-right[data-v-be1b3e1d]{grid-column:2;grid-row:1;justify-self:end;display:flex;gap:12px}.format-checkbox-container[data-v-be1b3e1d]{display:flex;align-items:center}.format-checkbox-label[data-v-be1b3e1d]{display:flex;align-items:center;gap:8px;cursor:pointer;-webkit-user-select:none;-moz-user-select:none;user-select:none}.format-checkbox[data-v-be1b3e1d]{position:absolute;opacity:0;width:0;height:0}.checkbox-custom[data-v-be1b3e1d]{width:16px;height:16px;border:2px solid #2b65e9;border-radius:3px;display:flex;align-items:center;justify-content:center;transition:all .2s;background:#fff}.format-checkbox:checked+.checkbox-custom[data-v-be1b3e1d]{background:#2b65e9}.format-checkbox:checked+.checkbox-custom[data-v-be1b3e1d]:after{content:"";width:4px;height:8px;border:solid #fff;border-width:0 2px 2px 0;transform:rotate(45deg);margin-bottom:2px}.format-text[data-v-be1b3e1d]{font-size:14px;color:#374151}.help-icon-wrapper[data-v-be1b3e1d]{position:relative;display:flex;align-items:center;margin-left:6px}.help-icon[data-v-be1b3e1d]{width:16px;height:16px;stroke:#9ca3af;cursor:help;transition:stroke .2s}.help-icon[data-v-be1b3e1d]:hover{stroke:#2b65e9}.help-tooltip[data-v-be1b3e1d]{position:absolute;left:calc(100% + 12px);top:50%;transform:translateY(-50%);background:#fff;color:#374151;padding:12px 16px;border-radius:8px;border:1px solid #e5e7eb;font-size:13px;line-height:1.6;white-space:nowrap;opacity:0;visibility:hidden;transition:all .2s;z-index:1000;box-shadow:0 4px 16px #0000001a}.help-tooltip[data-v-be1b3e1d]:before{content:"";position:absolute;left:-9px;top:50%;transform:translateY(-50%);border:8px solid transparent;border-right-color:#e5e7eb;border-left:none}.help-tooltip[data-v-be1b3e1d]:after{content:"";position:absolute;left:-7px;top:50%;transform:translateY(-50%);border:7px solid transparent;border-right-color:#fff;border-left:none}.help-icon-wrapper:hover .help-tooltip[data-v-be1b3e1d]{opacity:1;visibility:visible}.footer-action-btn[data-v-be1b3e1d]{display:flex;align-items:center;gap:6px;padding:8px 14px;background:#f0f5ff;border:1px solid #d6e4ff;border-radius:6px;color:#2b65e9;font-size:13px;font-weight:500;cursor:pointer;transition:all .2s ease}.footer-action-btn .btn-icon-img[data-v-be1b3e1d]{width:15px;height:15px;-o-object-fit:contain;object-fit:contain}.footer-action-btn .btn-icon-svg[data-v-be1b3e1d]{width:15px;height:15px;stroke-width:1.5}.footer-action-btn[data-v-be1b3e1d]:hover{background:#e6f0ff;border-color:#adc6ff}.footer-action-btn[data-v-be1b3e1d]:active{background:#d6e4ff}.ai-generate-btn[data-v-be1b3e1d]{display:flex;align-items:center;gap:6px;padding:9px 18px;background:linear-gradient(60deg,#5d48ff,#1751d1 60%,#00adef);border:none;border-radius:6px;color:#fff;font-size:14px;font-weight:500;cursor:pointer;transition:all .2s ease;box-shadow:0 2px 6px #667eea4d;margin-left:8px}.ai-generate-btn .ai-star-icon[data-v-be1b3e1d]{width:16px;height:16px;filter:brightness(0) invert(1)}.ai-generate-btn[data-v-be1b3e1d]:hover{box-shadow:0 4px 12px #667eea66;transform:translateY(-1px)}.ai-generate-btn[data-v-be1b3e1d]:active{transform:translateY(0);box-shadow:0 2px 6px #2563eb4d}.footer-cancel-btn[data-v-be1b3e1d],.footer-clear-btn[data-v-be1b3e1d]{padding:8px 18px;background:#fff;border:1px solid #d9d9d9;border-radius:6px;color:#595959;font-size:14px;font-weight:500;cursor:pointer;transition:all .2s ease}.footer-cancel-btn[data-v-be1b3e1d]:hover,.footer-clear-btn[data-v-be1b3e1d]:hover{border-color:#40a9ff;color:#40a9ff}.footer-cancel-btn[data-v-be1b3e1d]:active,.footer-clear-btn[data-v-be1b3e1d]:active{background:#f5f5f5}.footer-confirm-btn[data-v-be1b3e1d]{padding:8px 24px;background:#2b65e9;border:none;border-radius:6px;color:#fff;font-size:14px;font-weight:600;cursor:pointer;transition:all .2s ease;box-shadow:0 2px 6px #2b65e94d}.footer-confirm-btn[data-v-be1b3e1d]:hover{background:#1a54d8;box-shadow:0 4px 12px #2b65e959}.footer-confirm-btn[data-v-be1b3e1d]:active{background:#1346c0;box-shadow:0 2px 4px #2b65e940}.formula-workbench[data-v-528b8275]{flex:1;min-height:0;display:flex;flex-direction:column;background:#fff;overflow:hidden}.workbench-header[data-v-528b8275]{display:flex;justify-content:space-between;align-items:center;padding:12px 20px 12px 16px;background:#fff;gap:16px;flex-shrink:0}.header-spacer[data-v-528b8275]{flex:1}.symbol-bar-wrapper[data-v-528b8275]{background:#fff;padding:0;flex-shrink:0;border-top:1px solid #f0f0f0}.symbol-bar-wrapper[data-v-528b8275] .symbol-bar{position:relative!important;left:0!important;top:0!important;width:100%!important;height:100%!important;display:flex!important;flex-direction:column!important;box-shadow:none!important;border-radius:0!important;background:transparent!important;border:none!important}.symbol-bar-wrapper[data-v-528b8275] .symbol-panel{flex:1!important;min-height:0!important;overflow-y:auto!important;overflow-x:auto!important;border:none!important}.symbol-bar-wrapper[data-v-528b8275] .recommend-panel{height:106%!important;max-height:106%!important;flex:1!important;overflow:hidden!important}.symbol-bar-wrapper[data-v-528b8275] .recommend-content-box{height:100%!important;max-height:100%!important;display:flex!important;flex-direction:column!important;overflow:hidden!important}.symbol-bar-wrapper[data-v-528b8275] .recommended-formulas-grid{flex:1!important;min-height:0!important;max-height:none!important;overflow-y:auto!important}.workbench-dialog .symbol-bar-wrapper[data-v-528b8275]{height:420px!important;min-height:420px!important}.modal-overlay[data-v-9f565278]{position:fixed;inset:0;background:#00000080;display:flex;align-items:center;justify-content:center;z-index:10000;padding:20px}.modal-fade-enter-active[data-v-9f565278],.modal-fade-leave-active[data-v-9f565278]{transition:opacity .2s}.modal-fade-enter-from[data-v-9f565278],.modal-fade-leave-to[data-v-9f565278]{opacity:0}.modal-fade-enter-active .formula-editor-modal[data-v-9f565278]{animation:modal-slide-up-9f565278 .3s ease-out}.modal-fade-leave-active .formula-editor-modal[data-v-9f565278]{animation:modal-slide-down-9f565278 .2s ease-in}@keyframes modal-slide-up-9f565278{0%{transform:translateY(50px);opacity:0}to{transform:translateY(0);opacity:1}}@keyframes modal-slide-down-9f565278{0%{transform:translateY(0);opacity:1}to{transform:translateY(30px);opacity:0}}.formula-editor-modal[data-v-9f565278]{width:100%;max-width:1320px;height:820px;max-height:calc(95vh + 20px);background:#fff;border-radius:8px;box-shadow:0 25px 80px #0000004d;display:flex;flex-direction:column;overflow:hidden}.modal-title[data-v-9f565278]{font-weight:600;font-size:18px;color:#1f2937}.title-with-logo[data-v-9f565278]{display:flex;align-items:center;gap:8px;flex:0 0 auto}.header-close-btn[data-v-9f565278]{width:32px;height:32px;display:flex;align-items:center;justify-content:center;background:transparent;border:none;border-radius:6px;cursor:pointer;transition:all .2s}.header-close-btn svg[data-v-9f565278]{width:20px;height:20px;color:#64748b}.header-close-btn[data-v-9f565278]:hover{background:#f1f5f9}.header-close-btn:hover svg[data-v-9f565278]{color:#334155}