._readerLayout_1pvcl_2{display:flex;height:100%;background:#fff;overflow:hidden;position:relative;color:#111}._sidebar_1pvcl_11{width:50px;border-right:1px solid var(--border-hairline);display:flex;flex-direction:column;align-items:center;padding:20px 0;gap:24px;background:#fafafa}._sidebarIcon_1pvcl_22{color:var(--text-muted);opacity:.7;cursor:pointer;transition:var(--transition-base)}._sidebarIcon_1pvcl_22:hover{color:var(--text-primary);opacity:1}._sidebarSpacer_1pvcl_34{flex:1}._article_1pvcl_38{flex:1;padding:40px 50px 10px;overflow-y:auto;background:#fff}._meta_1pvcl_46{font-size:.75rem;text-transform:uppercase;color:var(--text-muted);letter-spacing:.05em;margin-bottom:12px;font-weight:500}._articleTitle_1pvcl_55{font-family:var(--font-serif);font-size:2rem;font-weight:700;line-height:1.2;margin-bottom:24px;color:#000}._textBlock_1pvcl_65{font-family:var(--font-serif);font-size:1.15rem;line-height:1.7;color:var(--text-secondary)}._textBlock_1pvcl_65 p{margin-bottom:1.5em}._read_1pvcl_2{color:var(--text-primary)}._commentGutter_1pvcl_80{position:absolute;right:20px;top:50%;transform:translateY(-50%)}._commentIndicator_1pvcl_87{width:6px;height:6px;background:#3b82f6;border-radius:50%}._popover_1pvcl_96{position:absolute;background:#333;border-radius:6px;padding:4px;box-shadow:0 4px 12px #0003;display:flex;align-items:center;gap:2px;z-index:10;animation:_popoverFadeIn_1pvcl_1 .15s ease;font-family:var(--font-sans)}._popover_1pvcl_96:after{content:"";position:absolute;top:100%;left:50%;transform:translate(-50%);border-left:6px solid transparent;border-right:6px solid transparent;border-top:6px solid #333}._popoverBtn_1pvcl_123{display:flex;align-items:center;gap:6px;padding:6px 10px;background:transparent;border:none;color:#fff;font-size:13px;font-weight:500;cursor:pointer;border-radius:4px;white-space:nowrap;transition:background .1s}._popoverBtn_1pvcl_123:hover{background:#ffffff1a}._popoverSeparator_1pvcl_143{width:1px;height:16px;background:#fff3;margin:0 2px}@keyframes _popoverFadeIn_1pvcl_1{0%{opacity:0;transform:translate(-50%) translateY(4px)}to{opacity:1;transform:translate(-50%) translateY(0)}}._blockTranslation_1pvcl_162{margin-top:8px;padding:10px 14px;font-size:.92em;line-height:1.6;color:var(--text-secondary);background:#fafafa;border-left:3px solid #E5E5E5;border-radius:4px;user-select:none;-webkit-user-select:none;font-family:var(--font-sans)}._navRail_1pvcl_180{width:48px;border-right:1px solid var(--border-hairline);display:flex;flex-direction:column;align-items:center;padding:20px 0;gap:24px;background:#fafafa;flex-shrink:0}._navIcon_1pvcl_192{color:var(--text-muted);opacity:.6;cursor:pointer;transition:var(--transition-base)}._navIcon_1pvcl_192:hover{opacity:1;color:#000}._navSpacer_1pvcl_204{flex:1}._contentArea_1pvcl_209{flex:1;padding:40px 50px;overflow-y:auto;background:#fff;min-width:0}._contentArea_1pvcl_209._compact_1pvcl_218{padding:20px}._textBody_1pvcl_222{font-family:var(--font-serif);font-size:1.1rem;line-height:1.65;color:#333}._paragraph_1pvcl_230{margin-bottom:24px}._dimmed_1pvcl_234{opacity:.3;filter:blur(.3px);transition:all .3s ease}._activeParagraph_1pvcl_240{opacity:1;position:relative}._activeIndicator_1pvcl_245{position:absolute;right:-20px;top:6px;bottom:6px;width:3px;background:#000;border-radius:2px}._highlight_1pvcl_255{background-color:#ffd70040;padding:0 2px;border-bottom:2px solid rgba(255,215,0,.4);-webkit-box-decoration-break:clone;box-decoration-break:clone}._highlightYellow_1pvcl_262{background-color:#ffd70040;padding:0 4px;border-radius:2px}._selection_1pvcl_268{background-color:#ffd16666;border-bottom:2px solid rgba(255,165,0,.6);cursor:pointer;position:relative}._mathBlock_1pvcl_275{text-align:center}._rightSidebar_1pvcl_285{width:280px;border-left:1px solid var(--border-hairline);background:#fff;flex-shrink:0;display:flex;flex-direction:column}._visualGuide_1pvcl_295{padding:40px 20px;display:flex;flex-direction:column;gap:8px;align-items:center}._guideBlock_1pvcl_303{width:40px;height:30px;background:#f0f0f0;border-radius:4px}._guideBlock_1pvcl_303._read_1pvcl_2{background:#e0e0e0}._guideBlock_1pvcl_303._active_1pvcl_240{background:#3b82f6;height:50px;box-shadow:0 4px 12px #3b82f64d}._aiSidebar_1pvcl_321{padding:0;display:flex;flex-direction:column;height:100%}._aiHeader_1pvcl_328{padding:16px 20px;border-bottom:1px solid var(--border-hairline);display:flex;justify-content:space-between;align-items:center;background:#fff}._aiTitle_1pvcl_337{font-weight:700;font-size:1.1rem;font-family:var(--font-serif)}._aiLabel_1pvcl_343{font-size:.8rem;font-weight:600;display:flex;align-items:center;gap:6px;color:#444}._aiLang_1pvcl_352{font-size:.7rem;background:#eee;padding:2px 6px;border-radius:4px;color:#666}._aiActions_1pvcl_360{display:flex;gap:12px;color:var(--text-muted)}._aiContent_1pvcl_366{padding:20px;font-size:.9rem;color:#444;overflow-y:auto}._pronunciation_1pvcl_373{color:#666;font-family:var(--font-sans);margin-bottom:20px;font-size:.85rem}._sectionTitle_1pvcl_380{font-weight:600;color:#000;margin-bottom:8px;margin-top:20px;font-size:.8rem;text-transform:uppercase;letter-spacing:.05em}._defList_1pvcl_390{padding-left:16px;margin:0}._defList_1pvcl_390 li{margin-bottom:8px;line-height:1.5}._translation_1pvcl_400{color:#666;font-style:italic;list-style:none;margin-left:-16px;margin-top:12px;padding-top:12px;border-top:1px solid #EEE}._exampleSentence_1pvcl_410{background:#fafafa;padding:12px;border-radius:6px;border-left:3px solid #DDD;font-style:italic;line-height:1.5}._chatBubble_1pvcl_420{background:#f0f0f0;padding:12px;border-radius:12px 12px 0;margin-left:auto;margin-bottom:16px;font-size:.85rem;max-width:90%;color:#222}._aiResponse_1pvcl_431{font-size:.9rem;line-height:1.6}._aiResponse_1pvcl_431 p{margin-bottom:12px}