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h2{font-family:var(--serif);flex:1;min-width:0;margin:0;font-size:16px}._closeBtn_19l5f_58{background:var(--fill);width:28px;height:28px;color:var(--text);border-radius:50%;flex-shrink:0;padding:0;font-size:16px;line-height:1}._meta_19l5f_69{color:var(--text);flex-wrap:wrap;align-items:center;gap:8px;margin:12px 0 16px;font-size:13px;display:flex}._statusDot_19l5f_78{border-radius:50%;width:10px;height:10px;display:inline-block}._chip_19l5f_84{background:var(--accent-soft);color:var(--accent);border-radius:999px;padding:2px 8px;font-size:12px;font-weight:500}._field_19l5f_92{margin-bottom:16px}._field_19l5f_92 label{color:var(--muted);margin-bottom:6px;font-size:12px;display:block}._result_19l5f_101{font-size:13px;line-height:1.7}._list_19l5f_105{flex-direction:column;gap:6px;margin:0;padding:0;font-size:13px;list-style:none;display:flex}._quote_19l5f_114{color:var(--muted);border-left:2px solid var(--border);padding-left:10px;line-height:1.6}._muted_19l5f_120{color:var(--muted);font-size:13px}._backdrop_19l5f_125{display:none}@media (width<=768px){._overlay_19l5f_2{padding:0}._wrap_19l5f_9{display:block;position:relative}._chart_19l5f_16{border:none;border-radius:0;position:absolute;inset:0}._panel_19l5f_37{z-index:41;max-height:55vh;padding-bottom:calc(16px + var(--safe-bottom));border-bottom:none;border-radius:16px 16px 0 0;margin:0;transition:transform .25s;position:fixed;bottom:0;left:0;right:0;overflow-y:auto;transform:translateY(calc(100% + 24px));box-shadow:0 -8px 32px #0000001f}._panelOpen_19l5f_160{transform:translateY(0)}._backdrop_19l5f_125{z-index:40;background:#0f111566;display:block;position:fixed;inset:0}}._layout_1u31z_1{height:calc(100vh - var(--header-h) - var(--content-pad) * 2);height:calc(100dvh - var(--header-h) - var(--content-pad) * 2);grid-template-columns:220px minmax(0,1fr) 320px;gap:16px;display:grid}._rail_1u31z_10,._main_1u31z_11,._planPanel_1u31z_12{min-height:0;overflow-y:auto}._railTitle_1u31z_17{font-family:var(--serif);margin:0 0 12px;font-size:15px;font-weight:600}._newDomain_1u31z_23{gap:6px;margin-bottom:12px;display:flex}._newDomain_1u31z_23 input{flex:1;min-width:0}._domainList_1u31z_32{flex-direction:column;gap:6px;display:flex}._domainItem_1u31z_37{background:var(--panel);border:1px solid var(--border);cursor:pointer;border-radius:12px;padding:10px 12px;transition:border-color .15s,box-shadow .15s}._domainItem_1u31z_37:hover{box-shadow:var(--shadow-sm);border-color:#d6d5d0}._domainItemActive_1u31z_49{border-color:var(--accent);background:var(--accent-soft)}._domainName_1u31z_53{font-size:14px;font-weight:600}._domainDesc_1u31z_57{color:var(--muted);margin-top:4px;font-size:12px}._mobileCreate_1u31z_63,._domainChips_1u31z_66{display:none}._domainChip_1u31z_66{background:var(--panel);border:1px solid var(--border);color:var(--muted);border-radius:999px;flex-shrink:0;padding:6px 14px;font-size:13px}._domainChip_1u31z_66:hover{filter:none;box-shadow:none}._domainChipActive_1u31z_82{background:var(--accent-soft);border-color:var(--accent);color:var(--accent);font-weight:600}._domainHeader_1u31z_89{justify-content:space-between;align-items:center;gap:12px;margin-bottom:12px;display:flex}._sectionTitle_1u31z_96{font-family:var(--serif);margin:0;font-size:20px}._notice_1u31z_101{color:var(--muted);margin:0 0 12px;font-size:13px}._heroEmpty_1u31z_106{text-align:center;padding:80px 24px}._heroEmpty_1u31z_106 p{color:var(--muted);margin:8px 0 0;font-size:13px}._heroTitle_1u31z_115{font-family:var(--serif);margin:0;font-size:22px}._levelCard_1u31z_121{background:var(--panel);border:1px solid var(--border);border-radius:var(--radius);margin-bottom:16px;padding:16px}._levelBadge_1u31z_128{border-radius:999px;margin-bottom:10px;padding:3px 10px;font-size:13px;font-weight:600;display:inline-block}._beginner_1u31z_136{color:#1565c0;background:#e3f2fd}._intermediate_1u31z_140{color:#e65100;background:#fff3e0}._advanced_1u31z_144{color:#c62828;background:#fce4ec}._levelMeta_1u31z_148{color:var(--muted);flex-wrap:wrap;gap:12px;margin-bottom:10px;font-size:12px;display:flex}._capBars_1u31z_156{gap:6px;margin-bottom:10px;display:flex}._capBar_1u31z_156{text-align:center;color:var(--muted);flex:1;font-size:11px}._capBarFill_1u31z_167{background:var(--fill);border-radius:3px;height:6px;margin-top:3px;overflow:hidden}._capBarFillInner_1u31z_174{background:var(--grad);border-radius:3px;height:100%;transition:width .3s}._levelSummary_1u31z_180{font-size:13px;line-height:1.6}._actions_1u31z_185{gap:8px;margin-bottom:16px;display:flex}._planBtn_1u31z_190{background:var(--panel);border:1px solid var(--border);color:var(--accent)}._bookGrid_1u31z_196{grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:12px;display:grid}._bookCard_1u31z_201{background:var(--panel);border:1px solid var(--border);border-radius:var(--radius);cursor:pointer;padding:14px;transition:box-shadow .15s,border-color .15s;position:relative}._bookCard_1u31z_201:hover{box-shadow:var(--shadow-md)}._bookCardSelected_1u31z_213{border-color:var(--accent);box-shadow:0 0 0 1px var(--accent) inset}._bookCardTop_1u31z_217{align-items:flex-start;gap:12px;display:flex}._cover_1u31z_222{background:var(--grad);color:#fff;width:40px;height:56px;font-family:var(--serif);border-radius:6px;flex-shrink:0;justify-content:center;align-items:center;font-size:22px;display:flex;box-shadow:0 2px 8px #4f46e547}._bookCardHead_1u31z_236{flex:1;min-width:0}._bookTitle_1u31z_240{font-family:var(--serif);font-size:16px;font-weight:600;line-height:1.35}._bookAuthor_1u31z_246{color:var(--muted);margin:2px 0 6px;font-size:13px}._bookMeta_1u31z_251{flex-wrap:wrap;align-items:center;gap:8px;display:flex}._difficulty_1u31z_257{border-radius:999px;padding:2px 8px;font-size:12px;font-weight:600}._diff1_1u31z_263{color:#2e7d32;background:#e8f5e9}._diff2_1u31z_267{color:#558b2f;background:#f1f8e9}._diff3_1u31z_271{color:#e65100;background:#fff3e0}._diff4_1u31z_275{color:#d84315;background:#fbe9e7}._diff5_1u31z_279{color:#b71c1c;background:#fce4ec}._relevance_1u31z_283{color:var(--accent);font-size:12px;font-weight:500}._checkOn_1u31z_288,._checkOff_1u31z_289{border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;width:20px;height:20px;font-size:12px;display:flex}._checkOn_1u31z_288{background:var(--grad);color:#fff}._checkOff_1u31z_289{border:1.5px solid var(--border);color:#0000}._bookReason_1u31z_307{margin-top:10px;font-size:13px;line-height:1.6}._bookGaps_1u31z_312{flex-wrap:wrap;gap:4px;margin-top:8px;display:flex}._gapTag_1u31z_318{background:var(--accent-soft);color:var(--accent);border-radius:999px;padding:2px 8px;font-size:11px}._bookLinks_1u31z_325{border-top:1px solid var(--border);flex-wrap:wrap;gap:6px;margin-top:10px;padding-top:10px;display:flex}._linkBtn_1u31z_333{color:#555;cursor:pointer;background:#f0f0f0;border:none;border-radius:4px;padding:3px 8px;font-size:12px;text-decoration:none}._linkBtn_1u31z_333:hover{color:#333;background:#e0e0e0}._freeBtn_1u31z_347{color:#2e7d32;cursor:pointer;background:#e8f5e9;border:none;border-radius:4px;padding:3px 8px;font-size:12px;font-weight:600;text-decoration:none}._freeBtn_1u31z_347:hover{background:#c8e6c9}._uploadLabel_1u31z_361{color:#1565c0;cursor:pointer;background:#e3f2fd;border:none;border-radius:4px;padding:3px 8px;font-size:12px;text-decoration:none}._uploadLabel_1u31z_361:hover{background:#bbdefb}._downloadBtn_1u31z_374{color:#e65100;cursor:pointer;background:#fff3e0;border:none;border-radius:4px;padding:3px 8px;font-size:12px;font-weight:600}._downloadBtn_1u31z_374:hover:not(:disabled){background:#ffe0b2}._downloadBtn_1u31z_374:disabled{opacity:.6;cursor:not-allowed}._zlibMeta_1u31z_391{color:#f57f17;background:#fff8e1;border-radius:4px;padding:3px 6px;font-size:11px}._zlibBadge_1u31z_398{color:#e65100;background:#fff8e1;border-radius:8px;flex-shrink:0;padding:6px 10px;font-size:12px;font-weight:500}._emptyHint_1u31z_407{color:var(--muted);text-align:center;padding:24px 0;font-size:13px}._myBooks_1u31z_414{border-top:1px solid var(--border);margin-top:24px;padding-top:12px}._myBooksHeader_1u31z_420{justify-content:space-between;align-items:center;padding-bottom:12px;display:flex}._myBooksTitle_1u31z_426{color:var(--text);font-size:15px;font-weight:600}._myBooksToggle_1u31z_432{width:100%;color:var(--text);background:0 0;border:none;justify-content:space-between;align-items:center;padding:0;font-size:15px;font-weight:600;display:none}._myBooksToggle_1u31z_432:hover{filter:none}._myBooksEmpty_1u31z_447{color:var(--text-dim);flex-direction:column;align-items:center;gap:12px;padding:28px 0;font-size:13px;display:flex}._uploadBig_1u31z_456{border:1px dashed var(--border-strong,#9aa4b2);background:var(--panel);color:var(--text);cursor:pointer;border-radius:8px;align-items:center;gap:6px;padding:10px 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.pce-callout--tip{background:#10b98114;border-left-color:#10b981}.vditor .pce-callout--tip .pce-callout-title:before{content:"💡"}.vditor .pce-callout--warning{background:#f59e0b1a;border-left-color:#f59e0b}.vditor .pce-callout--warning .pce-callout-title:before{content:"⚠";color:#f59e0b}.vditor .pce-callout--danger{background:#ef444414;border-left-color:#ef4444}.vditor .pce-callout--danger .pce-callout-title:before{content:"⛔"}.vditor .pce-callout--success{background:#10b98114;border-left-color:#10b981}.vditor .pce-callout--success .pce-callout-title:before{content:"✅"}.vditor .pce-callout--quote{background:#8b5cf614;border-left-color:#8b5cf6}.vditor .pce-callout--quote .pce-callout-title:before{content:"❝";color:#8b5cf6}.vditor .pce-callout--note{background:#0000000a;border-left-color:#6b7280}.vditor .pce-callout--note .pce-callout-title:before{content:"📝"}._notice_8qxie_512{background:var(--panel,#fff);border:1px solid var(--border);white-space:pre-line;cursor:pointer;z-index:50;border-radius:8px;max-width:min(90vw,640px);padding:8px 16px;font-size:13px;line-height:1.5;position:fixed;bottom:24px;left:50%;transform:translate(-50%);box-shadow:0 4px 16px #0000004d}._loading_8qxie_529,._errorBox_8qxie_530{color:var(--text-dim);padding:12px;font-size:13px}._errorBox_8qxie_530{color:#e5484d}._screen_a5jk9_1{justify-content:center;align-items:center;min-height:100vh;padding:16px;display:flex}._card_a5jk9_8{background:var(--panel);border:1px solid var(--border);border-radius:var(--radius);width:100%;max-width:340px;box-shadow:var(--shadow-md);flex-direction:column;align-items:center;gap:16px;padding:40px 32px;display:flex}._brand_a5jk9_21{align-items:center;gap:10px;display:flex}._logoMark_a5jk9_26{background:var(--grad);color:#fff;width:32px;height:32px;font-family:var(--serif);border-radius:8px;justify-content:center;align-items:center;font-size:17px;display:flex;box-shadow:0 2px 8px #4f46e54d}._brandName_a5jk9_39{font-family:var(--serif);letter-spacing:.02em;font-size:19px;font-weight:600}._hint_a5jk9_45{color:var(--muted);margin:0;font-size:13px}._input_a5jk9_50{border:1px solid var(--border);border-radius:var(--radius-sm);background:var(--fill);width:100%;color:var(--text);outline:none;padding:10px 14px;font-size:14px;transition:border-color .15s}._input_a5jk9_50:focus{border-color:var(--accent)}._error_a5jk9_64{width:100%;color:var(--danger);margin:0;font-size:13px}._submit_a5jk9_70{border-radius:var(--radius-sm);background:var(--accent);color:#fff;cursor:pointer;border:none;width:100%;padding:10px 0;font-size:14px;font-weight:500;transition:opacity .15s}._submit_a5jk9_70:disabled{opacity:.5;cursor:not-allowed}._app_1eu1k_1{max-width:1080px;margin:0 auto;padding:0 16px}._header_1eu1k_7{z-index:20;-webkit-backdrop-filter:blur(12px);border-bottom:1px solid var(--border);margin-bottom:var(--content-pad);background:#fafaf8db;justify-content:space-between;align-items:center;padding:12px 0;display:flex;position:sticky;top:0}._brand_1eu1k_21{align-items:center;gap:10px;display:flex}._logoMark_1eu1k_26{background:var(--grad);color:#fff;width:28px;height:28px;font-family:var(--serif);border-radius:8px;justify-content:center;align-items:center;font-size:15px;display:flex;box-shadow:0 2px 8px #4f46e54d}._brandName_1eu1k_39{font-family:var(--serif);letter-spacing:.02em;font-size:17px;font-weight:600}._headerRight_1eu1k_45{align-items:center;gap:12px;display:flex}._tabs_1eu1k_51{background:var(--fill);border-radius:10px;gap:2px;padding:3px;display:flex}._logout_1eu1k_58{border:1px solid var(--border);color:var(--muted);cursor:pointer;background:0 0;border-radius:8px;padding:6px 12px;font-size:13px;transition:color .15s,border-color .15s}._soundBtn_1eu1k_68{cursor:pointer;background:0 0;border:none;border-radius:8px;padding:4px 6px;font-size:15px;line-height:1;transition:background-color .15s}._soundBtn_1eu1k_68:hover{background:var(--fill)}._logout_1eu1k_58:hover{color:var(--danger);border-color:var(--danger)}._tab_1eu1k_51{color:var(--muted);cursor:pointer;background:0 0;border:none;border-radius:8px;padding:7px 18px;font-size:14px}._tab_1eu1k_51:hover{filter:none;box-shadow:none}._active_1eu1k_98{background:var(--panel);color:var(--text);box-shadow:var(--shadow-sm);font-weight:500}._content_1eu1k_104{padding-bottom:var(--content-pad)}._mobileTabs_1eu1k_107{display:none}@media (width<=768px){._header_1eu1k_7{padding:10px 0}._tabs_1eu1k_51{display:none}._content_1eu1k_104{padding-bottom:0}._mobileTabs_1eu1k_107{height:calc(var(--tabbar-h) + var(--safe-bottom));padding-bottom:var(--safe-bottom);-webkit-backdrop-filter:blur(14px);border-top:1px solid var(--border);z-index:50;background:#ffffffeb;display:flex;position:fixed;bottom:0;left:0;right:0}._mobileTab_1eu1k_107{color:var(--muted);background:0 0;border:none;flex-direction:column;flex:1;justify-content:center;align-items:center;gap:2px;padding:4px 0 6px;font-size:11px;display:flex}._mobileTab_1eu1k_107:hover{filter:none;box-shadow:none}._mobileTabActive_1eu1k_154{color:var(--accent)}._mobileIcon_1eu1k_157{font-size:20px;line-height:1}}:root{--bg:#fafaf8;--panel:#fff;--border:#ececea;--text:#1a1a1a;--muted:#6b7280;--accent:#4f46e5;--danger:#dc2626;--accent-2:#06b6d4;--grad:linear-gradient(135deg, var(--accent), var(--accent-2));--fill:#f1f0ec;--accent-soft:#eef2ff;--serif:"Songti SC", Georgia, serif;--sans:-apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;--radius:14px;--radius-sm:10px;--shadow-sm:0 1px 2px #0000000a;--shadow-md:0 1px 2px #0000000d, 0 6px 16px #00000012;--graph-dark:#0f1115;--header-h:53px;--tabbar-h:56px;--safe-bottom:env(safe-area-inset-bottom,0px);--content-pad:16px}@media (width<=768px){:root{--header-h:49px;--content-pad:12px}}*{box-sizing:border-box}html{-webkit-text-size-adjust:100%}body{font-family:var(--sans);background:var(--bg);color:var(--text);-webkit-font-smoothing:antialiased;-webkit-tap-highlight-color:transparent;margin:0}::selection{background:#4f46e526}input,textarea{background:var(--panel);border:1px solid var(--border);color:var(--text);border-radius:var(--radius-sm);resize:vertical;padding:8px 10px;font-family:inherit;font-size:14px;transition:border-color .15s,box-shadow .15s}input:focus,textarea:focus{border-color:var(--accent);outline:none;box-shadow:0 0 0 3px #4f46e51f}button{background:var(--grad);color:#fff;border-radius:var(--radius-sm);cursor:pointer;border:none;padding:8px 14px;font-family:inherit;font-size:14px;transition:filter .15s}button:hover:not(:disabled){filter:brightness(1.06)}button:disabled{opacity:.5;cursor:not-allowed}a{color:var(--accent)}:focus-visible{outline:2px solid var(--accent);outline-offset:2px}::-webkit-scrollbar{width:8px;height:8px}::-webkit-scrollbar-thumb{background:#d8d7d2;border-radius:4px}::-webkit-scrollbar-thumb:hover{background:#c5c4bf}::-webkit-scrollbar-track{background:0 0}