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var(--safe-b));text-align:center}._centerTitle_18h60_239{margin:0;font-family:var(--font-serif);font-size:20px;font-weight:600;color:var(--ink)}._hint_18h60_247{margin:0;font-size:13px;color:var(--ink-2);max-width:28em;line-height:1.6}._retryBtn_18h60_255{display:inline-flex;align-items:center;justify-content:center;min-height:var(--touch-min);margin-top:var(--sp-2);padding:var(--sp-2) var(--sp-6);background:var(--brand);color:var(--on-brand);border-radius:var(--r-pill);font-size:15px;font-weight:600;text-decoration:none;transition:background var(--dur-1) var(--ease)}._retryBtn_18h60_255:hover{background:var(--brand-deep)}._skelTitle_18h60_275{width:96px;height:18px;border-radius:var(--r-1);background:var(--paper-3);animation:_skelPulse_18h60_1 1.4s var(--ease) infinite}._skelCard_18h60_283{height:96px;border-radius:var(--r-3);background:var(--paper-2);box-shadow:var(--sh-card);animation:_skelPulse_18h60_1 1.4s var(--ease) infinite}@keyframes _skelPulse_18h60_1{0%,to{opacity:1}50%{opacity:.5}}@keyframes _riseIn_18h60_1{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:none}}._page_ebsrp_1{min-height:100dvh;max-width:800px;margin:0 auto}._center_ebsrp_7{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:var(--sp-4);height:40vh;padding:0 var(--sp-5);color:var(--ink-2)}._centerText_ebsrp_18{margin:0;font-size:16px;color:var(--ink-2);text-align:center}._retryBtn_ebsrp_25{display:inline-flex;align-items:center;justify-content:center;min-height:var(--touch-min);min-width:var(--touch-min);padding:var(--sp-2) var(--sp-5);border-radius:var(--r-pill);border:1.5px solid var(--brand);background:var(--brand);color:var(--on-brand);font-size:15px;font-weight:600;cursor:pointer;transition:background var(--dur-1) var(--ease),border-color var(--dur-1) var(--ease)}._retryBtn_ebsrp_25:hover,._retryBtn_ebsrp_25:active{background:var(--brand-deep);border-color:var(--brand-deep)}._topStack_ebsrp_53{position:sticky;top:0;z-index:10;background:#fffdf8d1;backdrop-filter:blur(12px) saturate(1.3);-webkit-backdrop-filter:blur(12px) saturate(1.3);box-shadow:var(--sh-1)}._topStack_ebsrp_53:after{content:"";position:absolute;left:12%;right:12%;bottom:-1px;height:1px;background:var(--gilt-line);pointer-events:none}._header_ebsrp_73{display:flex;align-items:center;gap:var(--sp-4);padding:var(--sp-3) var(--sp-5);border-bottom:1px solid var(--line-soft)}._back_ebsrp_81{display:inline-flex;align-items:center;gap:2px;min-height:var(--touch-min);min-width:var(--touch-min);margin-left:calc(var(--sp-2) * -1);padding:var(--sp-1) var(--sp-2);border-radius:var(--r-1);font-size:15px;color:var(--ink-2);font-weight:500;text-decoration:none;flex-shrink:0;transition:background var(--dur-1) var(--ease)}._back_ebsrp_81:hover{background:var(--paper-2)}._back_ebsrp_81:active{background:var(--paper-3)}._backIcon_ebsrp_106{flex-shrink:0}._title_ebsrp_110{font-size:18px;font-weight:700;letter-spacing:.08em;color:var(--ink);margin:0;font-family:var(--font-serif);flex:1}._stat_ebsrp_120{font-size:14px;color:var(--ink-2);flex-shrink:0}._filterBar_ebsrp_127{display:flex;flex-wrap:wrap;gap:var(--sp-2);padding:var(--sp-3) var(--sp-5);border-bottom:1px solid var(--line-soft)}._filterBtn_ebsrp_135{display:inline-flex;align-items:center;gap:var(--sp-1);min-height:var(--touch-min);padding:var(--sp-2) var(--sp-4);border-radius:var(--r-pill);border:1.5px solid var(--line);background:transparent;font-size:14px;font-weight:500;color:var(--ink-2);cursor:pointer;transition:background var(--dur-1) var(--ease),border-color var(--dur-1) var(--ease),color var(--dur-1) var(--ease)}._filterBtn_ebsrp_135:hover{background:var(--paper-2)}._filterBtn_ebsrp_135:active{background:var(--paper-3);border-color:var(--ink-3)}._filterBtn_ebsrp_135._filterActive_ebsrp_162{background:var(--ink);border-color:var(--ink);color:var(--on-brand)}._filterWrite_ebsrp_169._filterActive_ebsrp_162{background:var(--jade);border-color:var(--jade);color:var(--on-brand)}._filterLiteracy_ebsrp_176._filterActive_ebsrp_162{background:var(--brand);border-color:var(--brand);color:var(--on-brand)}._filterVocab_ebsrp_183._filterActive_ebsrp_162{background:var(--subj-math);border-color:var(--subj-math);color:var(--on-brand)}._filterCount_ebsrp_189{font-size:12px;opacity:.85;font-weight:400}._sectionLabel_ebsrp_196{display:flex;align-items:center;gap:6px;font-size:13px;color:var(--ink-2);font-weight:500;margin-top:var(--sp-2);margin-bottom:var(--sp-1)}._sectionDot_ebsrp_207{width:8px;height:8px;border-radius:50%;flex-shrink:0}._sectionDot_ebsrp_207[data-type=write]{background:var(--jade)}._sectionDot_ebsrp_207[data-type=literacy]{background:var(--brand)}._sectionDot_ebsrp_207[data-type=vocab]{background:var(--subj-math)}._sectionCount_ebsrp_226{font-weight:400;opacity:.85}._content_ebsrp_231{padding:var(--sp-4) 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130%);color:var(--ink);border-bottom-right-radius:var(--r-1);box-shadow:var(--sh-1)}._bubbleBot_10nce_169{background:var(--paper);color:var(--ink);border:1px solid var(--line-soft);border-bottom-left-radius:var(--r-1);box-shadow:var(--sh-1),var(--sh-inset-line)}._used_10nce_191{margin-top:4px;font-size:12px;color:var(--ink-3);padding:0 var(--sp-1);display:flex;align-items:center;gap:4px}._speakBtn_10nce_201{width:26px;height:26px;display:grid;place-items:center;border-radius:var(--r-pill);color:var(--ink-2);background:var(--paper);border:1px solid var(--line-soft);box-shadow:var(--sh-1);cursor:pointer;transition:background var(--dur-1) var(--ease),color var(--dur-1) var(--ease)}._speakBtn_10nce_201:hover{background:var(--brand-tint);color:var(--brand)}._speakOn_10nce_220{color:var(--brand);border-color:var(--brand-tint-2);background:var(--brand-tint)}._jump_10nce_226{display:inline;font:inherit;color:var(--subj-chinese);font-weight:600;text-decoration:underline;text-decoration-color:var(--brand-tint-2);text-underline-offset:2px;background:none;border:none;padding:0 1px;border-radius:var(--r-1);cursor:pointer;transition:background var(--dur-1) var(--ease),color var(--dur-1) var(--ease)}._jump_10nce_226:hover{background:var(--brand-tint);color:var(--brand)}._md_10nce_248{white-space:normal}._md_10nce_248>:first-child{margin-top:0}._md_10nce_248>:last-child{margin-bottom:0}._md_10nce_248 p{margin:.35em 0}._md_10nce_248 ul,._md_10nce_248 ol{margin:.35em 0;padding-left:1.5em}._md_10nce_248 li{margin:.15em 0}._md_10nce_248 li>p{margin:0}._md_10nce_248 h1,._md_10nce_248 h2,._md_10nce_248 h3,._md_10nce_248 h4,._md_10nce_248 h5,._md_10nce_248 h6{font-size:1em;margin:.6em 0 .25em}._md_10nce_248 code{font-size:.9em;background:var(--brand-tint);padding:0 4px;border-radius:var(--r-1)}._md_10nce_248 pre{overflow-x:auto;background:var(--brand-tint);padding:var(--sp-2) var(--sp-3);border-radius:var(--r-1)}._md_10nce_248 pre code{background:none;padding:0}._md_10nce_248 blockquote{margin:.35em 0;padding-left:var(--sp-3);border-left:3px solid var(--brand-tint-2);color:var(--ink-3)}._md_10nce_248 table{display:block;overflow-x:auto;max-width:100%;border-collapse:collapse;font-size:.92em;margin:.35em 0}._md_10nce_248 th,._md_10nce_248 td{border:1px solid var(--line-soft);padding:2px 8px}._md_10nce_248 hr{border:none;border-top:1px solid var(--line-soft);margin:.5em 0}._md_10nce_248 a{color:var(--subj-chinese);text-decoration-color:var(--brand-tint-2);text-underline-offset:2px}._err_10nce_326{align-self:center;font-size:13px;color:var(--subj-chinese);background:var(--brand-tint);padding:var(--sp-2) var(--sp-3);border-radius:var(--r-1)}._empty_10nce_336{margin:auto 0;text-align:center;color:var(--ink-2)}._emptyLead_10nce_341{margin:0 0 var(--sp-4);font-size:14px;line-height:1.6}._examples_10nce_346{display:flex;flex-wrap:wrap;gap:var(--sp-2);justify-content:center}._chip_10nce_352{font-size:13px;color:var(--ink);background:var(--paper);border:1px solid var(--line);border-radius:var(--r-pill);padding:8px var(--sp-3);box-shadow:var(--sh-1);transition:background var(--dur-1) var(--ease),border-color var(--dur-1) var(--ease),transform var(--dur-2) var(--ease),box-shadow var(--dur-2) var(--ease)}._chip_10nce_352:hover{background:var(--brand-tint);border-color:var(--brand-tint-2);transform:translateY(-1px);box-shadow:var(--sh-2)}._histList_10nce_374{flex:1;overflow-y:auto;padding:var(--sp-3);display:flex;flex-direction:column;gap:var(--sp-2);background:var(--paper-grain) repeat,var(--paper-2)}._histItem_10nce_383{display:flex;flex-direction:column;align-items:stretch;gap:4px;min-height:var(--touch-min);text-align:left;padding:var(--sp-3) var(--sp-4);background:var(--paper);border:1px solid var(--line-soft);border-radius:var(--r-2);box-shadow:var(--sh-1);cursor:pointer;transition:background var(--dur-1) var(--ease),border-color var(--dur-1) var(--ease),transform var(--dur-2) var(--ease),box-shadow var(--dur-2) var(--ease)}._histItem_10nce_383:hover{background:var(--brand-tint);border-color:var(--brand-tint-2);transform:translateY(-1px);box-shadow:var(--sh-2)}._histTitle_10nce_408{font-size:14px;line-height:1.5;color:var(--ink);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}._histMeta_10nce_416{display:flex;align-items:center;gap:var(--sp-2);font-size:12px;color:var(--ink-3)}._histCurrent_10nce_423{font-style:normal;font-size:11px;line-height:18px;padding:0 8px;color:var(--brand);background:var(--brand-tint);border:1px solid var(--brand-tint-2);border-radius:var(--r-pill)}._histHint_10nce_433{margin:auto;padding:var(--sp-6) 0;font-size:13px;color:var(--ink-3);text-align:center}._typing_10nce_442{display:inline-flex;gap:4px;align-items:center;padding:2px 0}._typing_10nce_442 i{width:6px;height:6px;border-radius:var(--r-pill);background:var(--ink-3);animation:_blink_10nce_1 1.2s var(--ease) infinite both}._typing_10nce_442 i:nth-child(2){animation-delay:.2s}._typing_10nce_442 i:nth-child(3){animation-delay:.4s}@keyframes _blink_10nce_1{0%,80%,to{opacity:.25}40%{opacity:1}}._msgImgs_10nce_473{display:flex;gap:var(--sp-2);flex-wrap:wrap;margin-bottom:var(--sp-2)}._msgImg_10nce_473{max-width:148px;max-height:148px;border-radius:var(--r-2);border:1px solid var(--line-soft);box-shadow:var(--sh-1);display:block}._attach_10nce_489{display:flex;align-items:center;gap:var(--sp-2);padding:var(--sp-2) var(--sp-3) 0;background:var(--paper);border-top:1px solid var(--line)}._attach_10nce_489+._inputBar_10nce_497{border-top:none}._attachItem_10nce_500{position:relative;display:inline-flex}._attachImg_10nce_504{width:56px;height:56px;object-fit:cover;border-radius:var(--r-2);border:1px solid var(--line);box-shadow:var(--sh-1)}._attachRemove_10nce_512{position:absolute;top:-6px;right:-6px;width:20px;height:20px;display:grid;place-items:center;border-radius:var(--r-pill);background:var(--ink);color:var(--paper);box-shadow:var(--sh-1)}._attachRemove_10nce_512 svg{width:10px;height:10px}._attachErr_10nce_529{font-size:12px;color:var(--subj-chinese)}._recPill_10nce_535{display:inline-flex;align-items:center;gap:6px;font-size:12px;color:var(--ink-2);background:var(--brand-tint);border:1px solid var(--brand-tint-2);border-radius:var(--r-pill);padding:4px 10px}._recDot_10nce_546{width:8px;height:8px;border-radius:var(--r-pill);background:var(--brand);animation:_recPulse_10nce_1 1.1s var(--ease) infinite}@keyframes _recPulse_10nce_1{0%,to{opacity:1;transform:scale(1)}50%{opacity:.35;transform:scale(.75)}}._micOn_10nce_565{color:var(--brand);border-color:var(--brand-tint-2);background:var(--brand-tint);animation:_micGlow_10nce_1 1.4s var(--ease) infinite}@keyframes _micGlow_10nce_1{0%,to{box-shadow:0 0 0 0 var(--brand-glow)}50%{box-shadow:0 0 0 6px transparent}}._spin_10nce_581{width:14px;height:14px;border-radius:var(--r-pill);border:2px solid var(--brand-tint-2);border-top-color:var(--brand);animation:_spin_10nce_581 .8s linear infinite}@keyframes _spin_10nce_581{to{transform:rotate(360deg)}}._inputBar_10nce_497{display:flex;align-items:flex-end;gap:var(--sp-2);padding:var(--sp-3);border-top:1px solid var(--line);background:var(--paper)}._input_10nce_497{flex:1;font:inherit;font-size:16px;line-height:1.5;color:var(--ink);background:var(--paper-2);border:1px solid var(--line);border-radius:var(--r-2);padding:10px var(--sp-3);min-height:var(--touch-min);max-height:120px;resize:none;overflow-y:auto}._input_10nce_497:focus{outline:none;background:var(--paper);border-color:var(--brand);box-shadow:0 0 0 3px var(--brand-glow)}._attachBtn_10nce_626{flex:none;width:var(--touch-min);height:var(--touch-min);display:grid;place-items:center;border-radius:var(--r-2);color:var(--ink-2);background:var(--paper-2);border:1px solid var(--line);transition:background var(--dur-1) var(--ease),color var(--dur-1) var(--ease)}._attachBtn_10nce_626:hover:not(:disabled){background:var(--brand-tint);color:var(--brand)}._attachBtn_10nce_626:disabled{opacity:.4;cursor:default}._send_10nce_648{flex:none;width:var(--touch-min);height:var(--touch-min);display:grid;place-items:center;border-radius:var(--r-2);background:var(--brand-grad);color:var(--on-brand);box-shadow:var(--sh-1);transition:transform var(--dur-1) var(--ease),opacity var(--dur-1) var(--ease)}._send_10nce_648:hover:not(:disabled){transform:translateY(-1px)}._send_10nce_648:disabled{opacity:.4;cursor:default;box-shadow:none}._modelBar_10nce_672{display:flex;justify-content:flex-end;padding:var(--sp-1) var(--sp-3) 0}._modelBar_10nce_672 select{max-width:200px}@media (max-width: 640px){._panel_10nce_42{right:0;left:0;bottom:0;width:100%;height:86dvh;border-radius:var(--r-4) var(--r-4) 0 0;border-bottom:none}}:root{--bg: #f3eee2;--bg-warm: #f7e8d3;--paper: #fffdf8;--paper-2: #f6f1e6;--paper-3: #eee6d4;--ink: #352c22;--ink-2: #6b6151;--ink-3: #a89c87;--line: #e4d9c6;--line-soft: #efe7d8;--brand: #d96a2c;--brand-deep: #bd551f;--brand-tint: #fae7d4;--brand-tint-2: #f5d3b4;--brand-glow: rgba(217, 106, 44, .26);--brand-grad: linear-gradient(135deg, #e0762f 0%, #cf5d22 100%);--jade: #2e857a;--jade-deep: #226d63;--jade-tint: #dcebe6;--jade-grad: linear-gradient(135deg, #36968a 0%, #277468 100%);--seal: #b23b2a;--seal-deep: #972f21;--seal-grad: linear-gradient(160deg, #c14834 0%, #9d3223 100%);--gilt: #c3a163;--gilt-line: linear-gradient(90deg, transparent, rgba(195, 161, 99, .55), transparent);--subj-chinese: #c1543e;--subj-math: #3f6fa3;--subj-english: #2e857a;--paper-grain: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='180' height='180'%3E%3Cfilter id='g'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.82' numOctaves='3' stitchTiles='stitch'/%3E%3CfeColorMatrix type='saturate' values='0'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23g)' opacity='0.045'/%3E%3C/svg%3E");--font-sans: -apple-system, BlinkMacSystemFont, "PingFang SC", "HarmonyOS Sans SC", "Source Han Sans SC", "Noto Sans CJK SC", "Microsoft YaHei", "Segoe UI", sans-serif;--font-serif: "Songti SC", "STSong", "Source Han Serif SC", "Noto Serif CJK SC", "STZhongsong", "SimSun", serif;--font-num: "SF Pro Display", var(--font-sans);--fs-display: clamp(30px, 4.2vw, 40px);--fs-title: clamp(21px, 2.6vw, 26px);--fs-head: 18px;--sp-1: 4px;--sp-2: 8px;--sp-3: 12px;--sp-4: 16px;--sp-5: 20px;--sp-6: 24px;--sp-8: 32px;--sp-10: 40px;--sp-12: 48px;--r-1: 8px;--r-2: 12px;--r-3: 16px;--r-4: 20px;--r-pill: 999px;--sh-1: 0 1px 2px rgba(56, 47, 37, .06), 0 2px 6px rgba(56, 47, 37, .05);--sh-2: 0 1px 2px rgba(56, 47, 37, .05), 0 4px 10px rgba(56, 47, 37, .06), 0 12px 26px rgba(56, 47, 37, .07);--sh-3: 0 2px 4px rgba(56, 47, 37, .06), 0 10px 24px rgba(56, 47, 37, .1), 0 34px 70px rgba(56, 47, 37, .13);--sh-card: 0 1px 1px rgba(56, 47, 37, .04), 0 3px 8px rgba(56, 47, 37, .05), 0 10px 24px rgba(56, 47, 37, .07);--sh-brand: 0 6px 20px var(--brand-glow);--sh-seal: 0 4px 14px rgba(178, 59, 42, .32);--sh-inset-line: inset 0 0 0 1px rgba(255, 255, 255, .6);--sh-bookedge: 0 1px 1px rgba(56, 47, 37, .05), 0 4px 10px rgba(56, 47, 37, .06), 0 14px 30px rgba(56, 47, 37, .09), 2.5px 2.5px 0 -1px #fbf7ec, 3.5px 3.5px 0 -1px rgba(56, 47, 37, .16), 6px 6px 0 -2.5px #f8f3e5, 7px 7px 0 -2.5px rgba(56, 47, 37, .13);--ease: cubic-bezier(.22, .61, .36, 1);--ease-out: cubic-bezier(.16, 1, .3, 1);--ease-spring: cubic-bezier(.34, 1.4, .64, 1);--dur-1: .15s;--dur-2: .25s;--dur-3: .4s;--dur-4: .6s;--bar-h: 60px;--top-h: 50px;--safe-b: env(safe-area-inset-bottom, 0px);--safe-t: env(safe-area-inset-top, 0px);--content-max: 1180px;--touch-min: 44px;--on-brand: #fff;--panel: var(--paper);--panel-2: var(--paper-2);--ink-soft: var(--ink-2);--brand-soft: var(--brand-tint);--accent: var(--jade);--green: var(--jade);--radius: var(--r-2);--radius-lg: var(--r-4);--shadow: var(--sh-card);--shadow-lg: var(--sh-3);--hotspot-active: rgba(217, 106, 44, .28);--hotspot-stroke: var(--brand);--hotspot-hint: rgba(217, 106, 44, .1);--hotspot-hint-stroke: rgba(217, 106, 44, .5);--recite-stroke: var(--jade)}*{box-sizing:border-box}html,body,#root{height:100%;margin:0}body{font-family:var(--font-sans);background:var(--paper-grain) repeat,radial-gradient(135% 90% at 50% -8%,var(--bg-warm) 0%,rgba(247,232,211,0) 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#ffffff38;position:relative;flex:none;user-select:none;-webkit-user-select:none}.ddSeal:before{content:"";position:absolute;top:.22em;right:.22em;bottom:.22em;left:.22em;border:1px solid rgba(255,247,238,.55);border-radius:.3em;pointer-events:none}.ddRule{display:flex;align-items:center;justify-content:center;gap:var(--sp-3)}.ddRule:before,.ddRule:after{content:"";height:1px;flex:1;max-width:96px;background:linear-gradient(to right,transparent,var(--line))}.ddRule:after{background:linear-gradient(to left,transparent,var(--line))}.ddRuleDot{width:5px;height:5px;border-radius:50%;background:var(--brand);flex:none}*{scrollbar-width:thin;scrollbar-color:var(--line) transparent}*::-webkit-scrollbar{width:7px;height:7px}*::-webkit-scrollbar-thumb{background:var(--line);border-radius:var(--r-pill)}*::-webkit-scrollbar-thumb:hover{background:var(--ink-3)}@media (prefers-reduced-motion: reduce){*,*:before,*:after{animation-duration:.001ms!important;animation-iteration-count:1!important;transition-duration:.001ms!important}}