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var(--ease)}._segBtn_hdeq8_216[data-active=true]{background:var(--brand-grad);color:var(--on-brand);box-shadow:var(--sh-brand)}._senseList_hdeq8_238{list-style:none;padding:0;margin:0;display:flex;flex-direction:column;gap:var(--sp-4);width:100%;counter-reset:sense}._senseItem_hdeq8_250{position:relative;display:flex;flex-direction:column;gap:var(--sp-2);padding-left:30px;counter-increment:sense}._senseItem_hdeq8_250:before{content:counter(sense);position:absolute;left:0;top:1px;width:21px;height:21px;display:grid;place-items:center;font-family:var(--font-num);font-size:12px;font-weight:700;color:var(--brand-deep);background:var(--brand-tint);border-radius:50%;font-variant-numeric:tabular-nums}._senseItem_hdeq8_250:only-child{padding-left:0}._senseItem_hdeq8_250:only-child:before{display:none}._senseDef_hdeq8_283{font-size:16px;color:var(--ink);line-height:1.65;margin:0}._wordChips_hdeq8_290{display:flex;gap:var(--sp-2);flex-wrap:wrap}._wordChip_hdeq8_290{font-size:14px;font-family:var(--font-serif);letter-spacing:.03em;color:var(--jade-deep);background:var(--jade-tint);border:1px 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_cardRise_1d7k5_1{0%{opacity:0;transform:translateY(16px)}to{opacity:1;transform:none}}._brand_1d7k5_53{display:flex;align-items:center;justify-content:center;gap:var(--sp-3)}._mark_1d7k5_60{font-size:19px}._title_1d7k5_63{font-family:var(--font-serif);font-size:26px;font-weight:700;letter-spacing:.12em;color:var(--ink);margin:0}._rule_1d7k5_71{margin:calc(-1 * var(--sp-1)) 0}._sub_1d7k5_74{text-align:center;color:var(--ink-2);font-size:13px;letter-spacing:.24em;text-indent:.24em;margin:0 0 var(--sp-2)}._notice_1d7k5_82{text-align:center;color:var(--brand-deep);background:var(--brand-tint);border-radius:var(--r-2);padding:var(--sp-2) var(--sp-3);font-size:13px;margin:0}._field_1d7k5_92{display:flex;flex-direction:column;gap:var(--sp-2)}._label_1d7k5_97{font-size:12px;font-weight:600;letter-spacing:.14em;color:var(--ink-2)}._input_1d7k5_103{font:inherit;font-size:16px;color:var(--ink);background:var(--paper-2);border:1px solid var(--line);border-radius:var(--r-2);padding:var(--sp-3) var(--sp-4);transition:border-color var(--dur-2) var(--ease),background var(--dur-2) var(--ease),box-shadow var(--dur-2) var(--ease)}._input_1d7k5_103:hover{border-color:var(--ink-3)}._input_1d7k5_103:focus{outline:none;background:var(--paper);border-color:var(--brand);box-shadow:0 0 0 3px var(--brand-glow)}._error_1d7k5_126{color:var(--subj-chinese);background:#fbe9e6;border-radius:var(--r-2);padding:var(--sp-2) var(--sp-3);font-size:13px;margin:0}._submit_1d7k5_135{margin-top:var(--sp-2);font:inherit;font-size:16px;font-weight:600;letter-spacing:.32em;text-indent:.32em;color:var(--on-brand);background:var(--brand-grad);border:none;border-radius:var(--r-2);padding:13px var(--sp-3);cursor:pointer;box-shadow:var(--sh-brand),inset 0 1px #ffffff40;transition:transform var(--dur-1) var(--ease),box-shadow var(--dur-2) var(--ease),opacity var(--dur-1) var(--ease)}._submit_1d7k5_135:hover:not(:disabled){transform:translateY(-1px);box-shadow:0 10px 26px var(--brand-glow),inset 0 1px 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button:hover{border-color:var(--brand);color:var(--brand-deep)}._actions_w73xh_199 ._danger_w73xh_217:hover{border-color:var(--subj-chinese);color:var(--subj-chinese)}._tagOn_w73xh_222{color:var(--jade-deep);background:var(--jade-tint);border-radius:var(--r-pill);padding:1px var(--sp-2);font-size:12px}._tagOff_w73xh_229{color:var(--ink-3);background:var(--paper-3);border-radius:var(--r-pill);padding:1px var(--sp-2);font-size:12px}._err_w73xh_237{color:var(--subj-chinese);background:#fbe9e6;border-radius:var(--r-2);padding:var(--sp-2) var(--sp-3);margin:0 0 var(--sp-4)}._ok_w73xh_244{color:var(--jade-deep);background:var(--jade-tint);border-radius:var(--r-2);padding:var(--sp-2) var(--sp-3);margin:0 0 var(--sp-4)}._hint_w73xh_251{color:var(--ink-3);font-size:13px}._fab_1xhok_4{position:fixed;right:calc(var(--sp-5) + env(safe-area-inset-right,0px));bottom:calc(var(--sp-5) + 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var(--jade-tint)}._headActions_1xhok_108{display:flex;align-items:center;gap:var(--sp-1)}._gradePick_1xhok_113{display:inline-flex;align-items:center;gap:4px;font-size:12px;color:var(--ink-2)}._gradePick_1xhok_113 select{font:inherit;font-size:13px;color:var(--ink);background:var(--paper-2);border:1px solid var(--line);border-radius:var(--r-1);padding:4px 6px;cursor:pointer}._iconBtn_1xhok_130{width:var(--touch-min);height:var(--touch-min);display:grid;place-items:center;border-radius:var(--r-1);color:var(--ink-2);transition:background var(--dur-1) var(--ease)}._iconBtn_1xhok_130:hover:not(:disabled){background:var(--paper-2);color:var(--ink)}._iconBtn_1xhok_130:disabled{opacity:.4;cursor:default}._list_1xhok_149{flex:1;overflow-y:auto;padding:var(--sp-4);display:flex;flex-direction:column;gap:var(--sp-3);background:var(--paper-grain) repeat,var(--paper-2)}._rowUser_1xhok_158{display:flex;flex-direction:column;align-items:flex-end}._rowBot_1xhok_163{display:flex;flex-direction:column;align-items:flex-start}._bubbleUser_1xhok_168,._bubbleBot_1xhok_169{max-width:86%;padding:var(--sp-3) var(--sp-4);border-radius:var(--r-3);font-size:15px;line-height:1.65;white-space:pre-wrap;word-break:break-word}._bubbleUser_1xhok_168{background:linear-gradient(160deg,var(--brand-tint) 0%,var(--brand-tint-2) 130%);color:var(--ink);border-bottom-right-radius:var(--r-1);box-shadow:var(--sh-1)}._bubbleBot_1xhok_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_1xhok_191{margin-top:4px;font-size:12px;color:var(--ink-3);padding:0 var(--sp-1)}._jump_1xhok_198{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_1xhok_198:hover{background:var(--brand-tint);color:var(--brand)}._err_1xhok_219{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_1xhok_229{margin:auto 0;text-align:center;color:var(--ink-2)}._emptyLead_1xhok_234{margin:0 0 var(--sp-4);font-size:14px;line-height:1.6}._examples_1xhok_239{display:flex;flex-wrap:wrap;gap:var(--sp-2);justify-content:center}._chip_1xhok_245{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_1xhok_245:hover{background:var(--brand-tint);border-color:var(--brand-tint-2);transform:translateY(-1px);box-shadow:var(--sh-2)}._typing_1xhok_267{display:inline-flex;gap:4px;align-items:center;padding:2px 0}._typing_1xhok_267 i{width:6px;height:6px;border-radius:var(--r-pill);background:var(--ink-3);animation:_blink_1xhok_1 1.2s var(--ease) infinite both}._typing_1xhok_267 i:nth-child(2){animation-delay:.2s}._typing_1xhok_267 i:nth-child(3){animation-delay:.4s}@keyframes _blink_1xhok_1{0%,80%,to{opacity:.25}40%{opacity:1}}._inputBar_1xhok_298{display:flex;align-items:flex-end;gap:var(--sp-2);padding:var(--sp-3);border-top:1px solid var(--line);background:var(--paper)}._input_1xhok_298{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_1xhok_298:focus{outline:none;background:var(--paper);border-color:var(--brand);box-shadow:0 0 0 3px var(--brand-glow)}._send_1xhok_327{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_1xhok_327:hover:not(:disabled){transform:translateY(-1px)}._send_1xhok_327:disabled{opacity:.4;cursor:default;box-shadow:none}@media (max-width: 640px){._panel_1xhok_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) 58%),var(--bg);background-attachment:fixed;color:var(--ink);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;-webkit-tap-highlight-color:transparent;overscroll-behavior:none;text-rendering:optimizeLegibility}button{font:inherit;cursor:pointer;border:none;background:none;color:inherit;padding:0;-webkit-tap-highlight-color:transparent}a{color:inherit;text-decoration:none}:where(a,button,[role=button],[role=tab],[tabindex]):focus-visible{outline:2px solid var(--brand);outline-offset:2px}img{-webkit-user-drag:none}.no-select{user-select:none;-webkit-user-select:none}.ddSeal{display:inline-grid;place-items:center;width:2.4em;height:2.4em;border-radius:.5em;background:var(--seal-grad);color:#fff7ee;font-family:var(--font-serif);font-weight:700;line-height:1;letter-spacing:0;box-shadow:var(--sh-seal),inset 0 1px #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}}