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transparent;white-space:nowrap;display:inline-flex;align-items:center;gap:5px;touch-action:manipulation;transition:background var(--dur-1) var(--ease),color var(--dur-1) var(--ease),transform var(--dur-1) var(--ease),box-shadow var(--dur-1) var(--ease)}._pill_5ag6j_104 ._ic_5ag6j_79{width:17px;height:17px}._pill_5ag6j_104:hover:not(:disabled){background:var(--brand-tint-2)}._pill_5ag6j_104:active:not(:disabled){transform:scale(.96)}._pill_5ag6j_104:disabled{opacity:.36;cursor:default}._stop_5ag6j_137{background:var(--brand-grad);color:#fff;box-shadow:var(--sh-brand);gap:6px}._stop_5ag6j_137:hover:not(:disabled){background:var(--brand-grad)}._count_5ag6j_146{font-family:var(--font-num);font-size:13px;font-weight:700;font-variant-numeric:tabular-nums;letter-spacing:.02em}._btn_5ag6j_40:focus-visible,._pill_5ag6j_104:focus-visible{outline:2px solid var(--brand);outline-offset:2px}@media (max-width: 560px){._bar_5ag6j_4{flex-wrap:wrap;row-gap:var(--sp-2);padding:var(--sp-2) var(--sp-2) calc(var(--sp-2) + var(--safe-b));gap:var(--sp-2)}._playGroup_5ag6j_172{order:-1;flex-basis:100%;justify-content:center}._pill_5ag6j_104{height:40px;padding:0 13px;font-size:13px}._btn_5ag6j_40{min-width:40px;height:40px;padding:0 9px}._page_5ag6j_93{min-width:48px;font-size:12px}._count_5ag6j_146{font-size:12px}}._pop_lxx04_4{position:absolute;left:var(--sp-2);right:var(--sp-2);bottom:calc(var(--bar-h) + var(--safe-b) + var(--sp-2));margin:0 auto;max-width:680px;max-height:38vh;overflow:hidden;display:flex;flex-direction:column;background:#fffdf8d1;-webkit-backdrop-filter:blur(12px) saturate(1.3);backdrop-filter:blur(12px) saturate(1.3);border:1px solid var(--line-soft);border-radius:var(--r-3);box-shadow:var(--sh-3);z-index:6;animation:_popRise_lxx04_1 var(--dur-3) var(--ease) both}._pop_lxx04_4:before{content:"";position:absolute;top:0;left:0;right:0;height:3px;background:var(--brand-grad);border-radius:var(--r-3) var(--r-3) 0 0;pointer-events:none}@keyframes _popRise_lxx04_1{0%{opacity:0;transform:translateY(16px)}to{opacity:1;transform:none}}._head_lxx04_53{flex:none;display:flex;align-items:center;gap:var(--sp-2);padding:var(--sp-3) var(--sp-4) var(--sp-2)}._tag_lxx04_60{display:inline-flex;align-items:center;font-family:var(--font-serif);font-size:12px;letter-spacing:.14em;font-weight:600;color:var(--brand-deep);background:var(--brand-tint);padding:3px 10px;border-radius:var(--r-pill)}._head_lxx04_53 ._rule_lxx04_72{flex:1;height:1px;background:linear-gradient(90deg,var(--line) 0%,transparent 100%)}._scroll_lxx04_12{flex:1;min-height:0;overflow-y:auto;-webkit-overflow-scrolling:touch;overscroll-behavior:contain;padding:0 var(--sp-4) var(--sp-4)}._sents_lxx04_88{display:flex;flex-direction:column;gap:var(--sp-1)}._row_lxx04_94{padding:var(--sp-2) var(--sp-3);border-radius:var(--r-2);transition:background var(--dur-2) var(--ease)}._row_lxx04_94._cur_lxx04_3{background:var(--brand-tint);box-shadow:inset 3px 0 0 var(--brand)}._en_lxx04_106{font-size:15px;font-weight:600;line-height:1.5;color:var(--ink);white-space:pre-line}._row_lxx04_94._cur_lxx04_3 ._en_lxx04_106{color:var(--brand-deep)}._zh_lxx04_118{font-size:14px;line-height:1.55;color:var(--jade);white-space:pre-line;margin-top:3px}._row_lxx04_94._cur_lxx04_3 ._zh_lxx04_118{color:var(--jade-deep)}@media (max-width: 560px){._head_lxx04_53{padding:var(--sp-3) var(--sp-3) var(--sp-1)}._scroll_lxx04_12{padding:0 var(--sp-3) var(--sp-3)}._en_lxx04_106{font-size:14px}._zh_lxx04_118{font-size:13px}}._reader_1purf_1{height:100%;display:flex;flex-direction:column;background:radial-gradient(120% 70% at 50% 0%,var(--bg-warm) 0%,rgba(247,233,214,0) 46%),var(--bg);overflow:hidden}._top_1purf_13{flex:none;height:calc(var(--top-h) + var(--safe-t));padding-top:var(--safe-t);padding-left:var(--sp-2);padding-right:var(--sp-2);display:flex;align-items:center;gap:var(--sp-2);background:#fffdf8d1;backdrop-filter:blur(12px) saturate(1.3);-webkit-backdrop-filter:blur(12px) saturate(1.3);border-bottom:1px solid var(--line-soft);box-shadow:var(--sh-2);z-index:5;animation:_dropIn_1purf_1 var(--dur-3) var(--ease) both}._title_1purf_32{flex:1;min-width:0;text-align:center;font-family:var(--font-serif);font-weight:700;font-size:16px;letter-spacing:.02em;color:var(--ink);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;padding:0 var(--sp-1)}._iconBtn_1purf_48{flex:none;display:inline-flex;align-items:center;gap:var(--sp-1);height:36px;padding:0 12px;border-radius:var(--r-pill);background:var(--paper-2);border:1px solid var(--line-soft);color:var(--ink-2);font-size:14px;font-weight:600;white-space:nowrap;transition:background var(--dur-2) var(--ease),color var(--dur-2) var(--ease),border-color var(--dur-2) var(--ease),transform var(--dur-1) var(--ease)}._iconBtn_1purf_48:hover{background:var(--brand-tint);color:var(--brand-deep);border-color:transparent}._iconBtn_1purf_48:active{transform:scale(.96)}._iconBtn_1purf_48:focus-visible{outline:2px solid var(--brand);outline-offset:2px}._btnIcon_1purf_81{width:18px;height:18px;flex:none}._btnLabel_1purf_86{line-height:1}._center_1purf_91{height:100%;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:var(--sp-3);padding:var(--sp-6);text-align:center;background:radial-gradient(120% 70% at 50% 0%,var(--bg-warm) 0%,rgba(247,233,214,0) 46%),var(--bg);animation:_riseIn_1purf_1 var(--dur-3) var(--ease) both}._stateText_1purf_106{margin:0;font-family:var(--font-serif);font-size:17px;font-weight:600;color:var(--ink);letter-spacing:.03em}._stateHint_1purf_114{margin:0;max-width:30ch;font-size:13px;line-height:1.5;color:var(--ink-3);word-break:break-word}._stateIcon_1purf_124{width:64px;height:64px;display:grid;place-items:center;border-radius:var(--r-3);background:var(--brand-tint);color:var(--brand-deep);box-shadow:var(--sh-1)}._stateIcon_1purf_124 svg{width:34px;height:34px}._loader_1purf_140{width:56px;height:56px;display:inline-flex;align-items:flex-end;justify-content:center;gap:6px}._loaderPage_1purf_148{width:12px;height:34px;border-radius:3px;background:var(--brand-grad);box-shadow:var(--sh-brand);transform-origin:bottom center;animation:_pageFlip_1purf_1 1.2s var(--ease) infinite both}._loaderPage_1purf_148:nth-child(2){animation-delay:.16s;opacity:.78}._loaderPage_1purf_148:nth-child(3){animation-delay:.32s;opacity:.56}._back_1purf_167{display:inline-flex;align-items:center;margin-top:var(--sp-2);padding:9px 20px;border-radius:var(--r-pill);background:var(--brand-grad);color:#fff;font-weight:600;font-size:14px;box-shadow:var(--sh-brand);transition:transform var(--dur-1) var(--ease)}._back_1purf_167:hover{transform:translateY(-2px)}._back_1purf_167:active{transform:translateY(0) scale(.97)}._back_1purf_167:focus-visible{outline:2px solid var(--brand);outline-offset:2px}@keyframes _dropIn_1purf_1{0%{opacity:0;transform:translateY(-10px)}to{opacity:1;transform:none}}@keyframes _riseIn_1purf_1{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:none}}@keyframes _pageFlip_1purf_1{0%,to{transform:scaleY(.55)}50%{transform:scaleY(1)}}@media (max-width: 560px){._title_1purf_32{font-size:15px}._btnLabel_1purf_86{font-size:13.5px}}:root{--bg: #f4efe4;--bg-warm: #f7e9d6;--paper: #fffdf8;--paper-2: #f6f1e6;--paper-3: #efe8d8;--ink: #382f25;--ink-2: #6b6151;--ink-3: #a89c87;--line: #e6dccb;--line-soft: #efe8da;--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%);--subj-chinese: #c1543e;--subj-math: #3f6fa3;--subj-english: #2e857a;--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);--sp-1: 4px;--sp-2: 8px;--sp-3: 12px;--sp-4: 16px;--sp-5: 20px;--sp-6: 24px;--sp-8: 32px;--sp-10: 40px;--r-1: 8px;--r-2: 12px;--r-3: 16px;--r-4: 20px;--r-pill: 999px;--sh-1: 0 1px 2px rgba(56, 47, 37, .05), 0 1px 3px rgba(56, 47, 37, .07);--sh-2: 0 2px 8px rgba(56, 47, 37, .07), 0 6px 18px rgba(56, 47, 37, .06);--sh-3: 0 10px 28px rgba(56, 47, 37, .13), 0 20px 48px rgba(56, 47, 37, .1);--sh-card: 0 1px 1px rgba(56, 47, 37, .04), 0 6px 16px rgba(56, 47, 37, .09);--sh-brand: 0 6px 20px var(--brand-glow);--sh-inset-line: inset 0 0 0 1px rgba(255, 255, 255, .6);--ease: cubic-bezier(.22, .61, .36, 1);--ease-spring: cubic-bezier(.34, 1.4, .64, 1);--dur-1: .15s;--dur-2: .25s;--dur-3: .4s;--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;--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:radial-gradient(135% 90% at 50% -8%,var(--bg-warm) 0%,rgba(247,233,214,0) 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}img{-webkit-user-drag:none}.no-select{user-select:none;-webkit-user-select: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}}