@import"https://fonts.googleapis.com/css2?family=Nunito:wght@400;600;700;800;900&family=Noto+Sans+TC:wght@400;500;700&display=swap";:root{font-family:Nunito,Noto Sans TC,sans-serif;color:#56371f;background:#80532c;font-synthesis:none;font-weight:600;color-scheme:light}*{box-sizing:border-box}body{margin:0}button{font:inherit;color:inherit;cursor:pointer;touch-action:manipulation;-webkit-tap-highlight-color:transparent}button:focus-visible{outline:3px solid #245a80;outline-offset:3px}button:disabled{cursor:default;opacity:.45}button:not(:disabled):active{filter:brightness(.94)}button svg{width:24px;height:24px;flex-shrink:0}.storybook{position:relative;isolation:isolate;min-height:100svh;display:flex;flex-direction:column;gap:clamp(12px,2vw,24px);padding:max(14px,env(safe-area-inset-top)) max(16px,env(safe-area-inset-right)) max(18px,env(safe-area-inset-bottom)) max(16px,env(safe-area-inset-left));overflow-x:clip}.wood-surface{position:absolute;top:0;right:0;bottom:0;left:0;z-index:-2;background:#946340 url(/assets/wood.webp) center/cover;box-shadow:inset 0 0 120px #34200f66}.masthead{display:flex;gap:14px;align-items:center;justify-content:space-between;width:min(1240px,100%);margin:0 auto;flex-wrap:wrap}.book-title{display:flex;align-items:center;gap:10px;min-width:0;background:#f4e5c5 url(/assets/paper.webp) center/cover;padding:12px 18px;border:1px solid #d4b477;border-radius:7px;box-shadow:0 4px 12px #34231444}.book-title>svg{width:32px;height:32px;flex-shrink:0;color:#b88635}.book-title h1{font-size:clamp(18px,2.3vw,30px);font-weight:900;line-height:1.2;margin:0;max-width:24ch}.book-title p{font-size:12px;line-height:1.4;margin:4px 0 0;color:#735233}.tools{display:flex;align-items:center;gap:8px;flex-shrink:0}.tools>button{border-radius:50%;background:#f6e9cb;border:2px solid #d9b977;width:44px;height:44px;display:grid;place-items:center;box-shadow:0 2px 5px #38210e44}.language-switch{display:flex;border:2px solid #d9b977;background:#f6e9cb;border-radius:24px;padding:2px}.language-switch button{border:0;border-radius:20px;background:none;min-width:48px;min-height:44px;padding:6px 10px;font-size:14px}.language-switch button[aria-pressed=true]{background:#223d59;color:#fff4d9}.book-workspace{position:relative;width:min(1240px,100%);margin:0 auto;display:grid;grid-template-columns:minmax(220px,.78fr) minmax(0,1.4fr);align-items:center;gap:20px;min-width:0}.scene-wrap{position:relative;grid-column:2;grid-row:1;height:clamp(360px,53svh,610px);min-width:0;border-radius:12px;overflow:hidden}.scene{position:absolute;top:0;right:0;bottom:0;left:0;touch-action:pan-y}.paper-renderer{position:relative}.story-copy{grid-column:1;grid-row:1;min-width:0;padding:clamp(20px,3vw,36px);background:#f7e9c9 url(/assets/paper.webp) center/cover;box-shadow:0 6px 18px #36200e55;border:1px solid #d4b985;border-radius:5px;transition:opacity .2s}.chapter{font-size:12px;letter-spacing:.16em;color:#89663f}.story-copy h2{font-size:clamp(25px,3vw,38px);line-height:1.2;margin:12px 0 18px;font-weight:900;color:#634226}.story-text{font-size:clamp(18px,1.9vw,25px);line-height:1.65;margin:0;overflow-wrap:break-word}.story-text:lang(zh-Hant){line-height:1.85;letter-spacing:.035em}.spoken{background:#f5cd65;border-radius:3px}.translation{font-size:16px;line-height:1.7;margin:18px 0 0;padding-top:14px;border-top:1px solid #cdb389;color:#765337}.translate{margin-top:12px;display:flex;align-items:center;gap:7px;border:0;border-bottom:1px solid #b99968;padding:8px 0;min-height:44px;background:none;color:#775333;font-size:14px;text-align:left}.translate svg{width:20px}.loading{position:absolute;top:0;right:0;bottom:0;left:0;display:flex;align-items:center;justify-content:center;flex-direction:column;background:#f3e6cdee;z-index:6;padding:24px;text-align:center}.loading p{font-size:18px}.loading button{min-height:44px;padding:10px 24px}.explore-panel{width:min(960px,100%);margin:0 auto;padding:16px 20px;border:1px solid #c9a469;border-radius:14px;background:#f8eccf url(/assets/paper.webp) center/cover;box-shadow:0 4px 10px #3f291c44}.explore-heading{display:flex;justify-content:space-between;align-items:center;gap:10px;flex-wrap:wrap;font-size:14px;color:#765333;margin-bottom:12px}.explore-heading>span:first-child{display:flex;gap:7px;align-items:center}.explore-heading svg{width:20px;height:20px}.action-list{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:10px}.action-chip{display:flex;position:relative;align-items:center;justify-content:center;gap:9px;min-height:56px;padding:10px 14px;background:#fffaeb;border:1px solid #c49b59;border-radius:10px;font-size:16px;line-height:1.4;text-align:left;overflow-wrap:anywhere}.action-chip>svg{color:#a56c20}.action-chip.complete{border-color:#658267;background:#f3f5e9}.action-chip .check{width:16px;height:16px;color:#547154}.feedback{font-size:14px;line-height:1.6;margin:12px 0 0;min-height:1.6em;color:#6d4c2c}.reading-controls{width:min(620px,100%);margin:auto auto 0;text-align:center}.control-row{display:flex;gap:20px;align-items:center;justify-content:center}.round,.read{background:#fff0d5 url(/assets/paper.webp) center/cover;border:2px solid #fff1c9;box-shadow:inset 0 0 0 3px #c69949,inset 0 0 0 6px #f2d597,0 5px 5px #40291355;display:flex;align-items:center;justify-content:center}.round{width:56px;height:56px;border-radius:50%;flex-shrink:0}.read{min-width:200px;min-height:60px;padding:12px 24px;border-radius:36px;gap:12px;font-weight:900;font-size:22px;line-height:1.25}.read svg{color:#b47817}.reading-options{display:flex;justify-content:center;align-items:center;gap:12px;margin-top:10px;color:#fff3da;flex-wrap:wrap}.reading-options>button{background:#4c301acc;border:1px solid #bd9867;border-radius:8px;font-size:14px;min-height:44px;padding:6px 10px;display:flex;align-items:center;gap:6px;color:#fff0d4}.reading-options>button[aria-pressed=true]{background:#243e55;color:#ffe28c}.reading-options svg{width:18px;height:18px}.page-dots{display:flex;gap:4px}.page-dots button{border:0;width:44px;height:44px;border-radius:50%;background:transparent;color:#ffebc8;display:flex;align-items:center;justify-content:center;gap:2px;font-size:16px}.page-dots button[aria-current=page]{background:#ffdc80;color:#53371f;box-shadow:0 0 0 1px #dcb967}.audio-hint{font-size:14px;line-height:1.5;color:#fff2d6}.turning .story-copy{opacity:.25}.scene-marker{outline-offset:4px!important;transition:box-shadow .2s}.scene-marker:focus-visible{outline:5px solid #25587a!important}.scene-marker:hover{box-shadow:0 0 0 5px #ffd77c66!important}@media(max-width:900px){.storybook{gap:14px}.book-workspace{grid-template-columns:minmax(220px,.85fr) minmax(0,1.15fr);gap:12px}.story-copy{padding:22px}.scene-wrap{height:430px}.fullscreen{display:none!important}.action-chip{font-size:15px;padding:10px}.book-title h1{font-size:22px}}@media(max-width:600px),(max-aspect-ratio:4/5){.storybook{padding-left:max(12px,env(safe-area-inset-left));padding-right:max(12px,env(safe-area-inset-right));gap:12px}.masthead{gap:10px}.book-title{padding:10px 12px;flex:1 1 190px}.book-title h1{font-size:20px}.tools{margin-left:auto;gap:6px}.book-workspace{display:flex;flex-direction:column;gap:0}.scene-wrap{width:100%;height:clamp(290px,42svh,520px);flex:none}.story-copy{width:100%;padding:18px 20px}.story-copy h2{font-size:27px;margin:7px 0 12px}.story-text{font-size:18px;line-height:1.6}.translate{margin-top:6px}.explore-panel{padding:14px}.action-list{grid-template-columns:repeat(2,minmax(0,1fr));gap:8px}.action-chip{min-height:54px;font-size:16px;justify-content:flex-start}.action-chip .check{margin-left:auto}.control-row{gap:14px}.read{min-width:0;flex:1;max-width:240px;font-size:21px;padding:12px 16px}.round{width:52px;height:52px}.reading-controls{padding-top:2px}.reading-options{gap:6px}.reading-options>button{font-size:14px;padding:6px 8px}.page-dots{gap:0}.page-dots button{width:44px}.feedback{min-height:2.8em}}@media(max-width:360px){.book-title{flex-basis:100%}.tools{width:100%;justify-content:flex-end}.reading-options{column-gap:4px}.reading-options>button{font-size:12px;padding:6px}.story-copy{padding:16px}.explore-panel{padding:12px}.action-chip{font-size:14px}}@media(min-width:601px)and (max-height:560px){.scene-wrap{height:340px}.storybook{gap:12px}.book-title p{display:none}.story-copy{padding:18px}.story-text{font-size:18px}.story-copy h2{font-size:27px}.explore-panel{padding:12px 16px}}@media(prefers-reduced-motion:reduce){*,*:before,*:after{scroll-behavior:auto!important;transition:none!important;animation:none!important}}.storybook{padding:clamp(12px,3vw,42px) max(10px,env(safe-area-inset-right)) max(28px,env(safe-area-inset-bottom)) max(10px,env(safe-area-inset-left));justify-content:center}.open-book{position:relative;isolation:isolate;display:flex;flex-direction:column;gap:12px;width:min(1320px,100%);margin:auto;min-height:calc(100svh - 72px);padding:clamp(20px,3vw,42px);border:1px solid #ceb789;border-radius:10px 16px 18px 10px;background:#f7e9c9 url(/assets/paper.webp) center/cover;box-shadow:0 3px #c7b391,0 6px #f2dfb6,0 9px #c6ac7b,0 12px #e4cfa5,0 17px 0 3px #22354e,0 26px 32px #28170988;perspective:1800px}.open-book:before{content:"";position:absolute;z-index:-1;top:0;right:0;bottom:0;left:0;border-radius:inherit;pointer-events:none;background:linear-gradient(90deg,transparent 0%,#fff8e322 42%,#9b783414 48%,#65441930 49.8%,#fef1c966 50.2%,#97703714 52%,transparent 60%);border-bottom:2px solid #c6aa78}.book-leaf{display:none;position:absolute;z-index:8;left:50%;top:0;width:50%;height:100%;transform-origin:left center;background:#f6e6c3 url(/assets/paper.webp) center/cover;box-shadow:-8px 0 18px #60411435;border-radius:0 12px 12px 0;pointer-events:none;backface-visibility:visible}.turning .book-leaf{display:block;animation:spread-turn 1.5s ease-in-out both}.turning.turn-back .book-leaf{animation-direction:reverse}@keyframes spread-turn{0%{transform:rotateY(0);opacity:0}6%{opacity:1}48%{filter:brightness(.82)}94%{opacity:1}to{transform:rotateY(-180deg);filter:brightness(1);opacity:0}}.masthead{position:relative;z-index:2;width:100%;align-items:flex-start;border-bottom:1px solid #b8914433;padding-bottom:12px}.book-title{background:none;border:0;box-shadow:none;padding:0;max-width:58%}.book-title h1{font-size:clamp(20px,2.2vw,30px)}.book-title p{display:none}.tools>button{box-shadow:none;background:#fff4d055;border-color:#c9ab7188}.language-switch{background:#fff7de66;border-color:#c9ab7188}.book-workspace{width:100%;grid-template-columns:minmax(0,1fr) minmax(0,1.18fr);gap:clamp(12px,3vw,44px);align-items:center;flex:1}.scene-wrap{height:clamp(350px,48svh,580px);border-radius:0;overflow:visible}.story-copy{padding:clamp(8px,2vw,28px);background:none!important;box-shadow:none!important;border:0!important;border-radius:0;position:relative;z-index:1}.story-copy h2{font-size:clamp(28px,3vw,42px)}.story-text{font-size:clamp(19px,1.85vw,26px)}.explore-panel{width:100%;padding:8px 0;background:none!important;box-shadow:none!important;border:0!important;border-radius:0;position:relative;z-index:2}.explore-heading{justify-content:center;gap:18px;margin-bottom:4px}.explore-heading>span:first-child{display:none}.action-list{display:flex;flex-wrap:wrap;justify-content:center;gap:6px 18px}.action-chip{flex:0 1 auto;border:0;border-bottom:1px solid #ba965866;border-radius:0;background:none;box-shadow:none;padding:8px 12px;min-height:48px;font-size:15px;justify-content:center}.action-chip.complete{background:none;border-color:#65826766}.feedback{text-align:center;margin-top:8px;min-height:1.6em}.reading-controls{position:relative;z-index:2;margin:0 auto;width:min(620px,100%);padding-top:8px;border-top:1px solid #b8914433}.reading-options{color:#704c29}.reading-options>button{background:none;border:0;color:#704c29;box-shadow:none}.reading-options>button[aria-pressed=true]{background:#e8d4a566;color:#263f55}.page-dots button{color:#765434}.page-dots button[aria-current=page]{background:#dec18377;color:#513319;box-shadow:none}.audio-hint{color:#7b3928}.round,.read{box-shadow:inset 0 0 0 2px #c69949,0 2px 4px #40291322}@media(max-width:900px){.open-book{padding:22px}.book-workspace{gap:14px}.story-copy{padding:10px}.scene-wrap{height:390px}.action-list{gap:4px 10px}}@media(max-width:600px),(max-aspect-ratio:4/5){.storybook{padding-top:max(12px,env(safe-area-inset-top));padding-left:max(8px,env(safe-area-inset-left));padding-right:max(8px,env(safe-area-inset-right))}.open-book{padding:20px 14px;gap:8px;min-height:calc(100svh - 40px);border-radius:7px 10px 10px 7px}.open-book:before{background:linear-gradient(90deg,transparent 46%,#9571390a 49%,#60411918 50%,#fff4d544 50.4%,transparent 54%)}.masthead{gap:10px;padding-bottom:8px}.book-title{max-width:100%;flex:1 1 100%;justify-content:center;text-align:center}.book-title h1{font-size:22px}.book-title>svg{width:26px;height:26px}.tools{width:100%;justify-content:center;margin:0}.book-workspace{gap:0}.scene-wrap{height:clamp(280px,40svh,480px);width:100%}.story-copy{padding:8px 10px 12px}.story-copy h2{font-size:28px;margin:8px 0 12px}.story-text{font-size:18px}.explore-panel{padding:0 4px}.action-list{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:2px 8px}.action-chip{font-size:14px;padding:8px 4px;min-height:48px;justify-content:flex-start}.action-chip .check{margin-left:auto}.explore-heading{font-size:13px;margin-bottom:4px}.feedback{font-size:14px;min-height:2.8em}.reading-options{gap:0}.reading-options>button{padding:6px;font-size:13px}.control-row{gap:10px}.read{font-size:20px;padding:12px 10px}.round{width:48px;height:48px}.translation{font-size:16px}}@media(min-width:601px)and (max-height:560px){.open-book{padding:20px}.scene-wrap{height:330px}.story-copy h2{font-size:28px}.story-text{font-size:18px}.book-workspace{gap:18px}}@media(prefers-reduced-motion:reduce){.turning .book-leaf{display:none}}.book-workspace{display:flex;flex-direction:column;gap:0;width:100%;justify-content:center}.scene-wrap{width:min(980px,100%);height:clamp(390px,55svh,660px);flex:none;margin:0 auto;position:relative;isolation:isolate}.scene-wrap:after{content:"";position:absolute;z-index:-1;pointer-events:none;left:18%;right:18%;bottom:8%;height:18%;background:radial-gradient(ellipse,#48322133,transparent 70%);filter:blur(12px)}.story-copy{width:min(860px,100%);margin:0 auto;text-align:center;padding:0 24px 10px}.story-copy h2{margin:8px 0 12px}.story-text{font-size:clamp(18px,1.8vw,24px);line-height:1.65}.translate{margin:8px auto 0}.translation{text-align:center}.chapter{letter-spacing:.16em}.open-book{--ink-opacity:1;--leaf-opacity:0;--leaf-angle:0deg;gap:8px}.book-leaf{will-change:transform,opacity}.turning .book-leaf,.turning.turn-back .book-leaf{animation:none;transform:rotateY(var(--leaf-angle));opacity:var(--leaf-opacity)}.turning .story-copy{opacity:var(--ink-opacity);transition:none}.turning .explore-panel{opacity:var(--ink-opacity);pointer-events:none}.story-copy{transition:none}.explore-panel{width:min(860px,100%);margin:0 auto;text-align:center;padding:0}.explore-panel>summary{display:inline-flex;align-items:center;justify-content:center;gap:9px;min-height:44px;padding:4px 14px;cursor:pointer;list-style:none;font-size:14px;color:#88632e;border-bottom:1px dashed #b99155;touch-action:manipulation}.explore-panel>summary::-webkit-details-marker{display:none}.explore-panel>summary:focus-visible{outline:3px solid #245a80;outline-offset:3px}.explore-panel>summary svg{width:19px;height:19px}.explored-count{font-size:12px;color:#957447}.explore-panel[open] .action-list{padding-top:10px}.action-chip{background:#e7d1a222;border:1px dashed #c2a16b88;border-radius:2px 9px 3px 7px;box-shadow:none;padding:8px 12px;min-height:48px}.action-chip:nth-child(2n){transform:rotate(1deg)}.action-chip:nth-child(odd){transform:rotate(-1deg)}.action-chip.complete{background:#8a9b6920}.reading-controls{border-top:0;padding-top:4px}.read{border-radius:8px 22px;background:#e9ce97 url(/assets/paper.webp) center/cover;box-shadow:inset 0 0 0 1px #b88a45,0 3px #c1a26e,0 5px 7px #61462322}.round{background:transparent;border:1px solid #b28d5366;box-shadow:none}.scene-marker{opacity:.85}.scene-marker:hover,.scene-marker:focus-visible{opacity:1}@media(max-width:900px){.scene-wrap{height:clamp(350px,50svh,550px)}.story-copy{width:min(760px,100%);padding:0 16px 8px}}@media(max-width:600px),(max-aspect-ratio:4/5){.scene-wrap{height:clamp(300px,44svh,560px);width:100%}.story-copy{padding:0 8px 8px}.story-copy h2{font-size:26px}.story-text{font-size:18px}.action-list{gap:8px}.explore-panel{padding:0 4px}.open-book{gap:8px}.reading-controls{padding-top:8px}}@media(min-width:601px)and (max-height:560px){.scene-wrap{height:360px}.story-copy{max-width:800px}}.book-feedback{margin:0 auto;width:min(860px,100%);padding:0 12px;min-height:1.6em}.turning .book-feedback{opacity:var(--ink-opacity)}.scene-wrap{height:clamp(430px,62svh,720px)}.scene-marker{opacity:1;border-radius:15px 6px 16px 7px!important}.scene-marker:hover{box-shadow:0 2px 8px #b58d4430!important}.interactive-sticker{outline-offset:5px}.interactive-sticker:focus-visible{outline:3px solid #b58a4d;border-radius:10px}.action-chip,.action-chip.complete{border:2px solid #fff8e8;border-radius:12px 7px 13px 6px;background:#f0e0bd;box-shadow:0 2px #c1a77c55,2px 4px 6px #654a2422;transition:scale .2s cubic-bezier(.2,1.8,.5,1)}.action-chip:not(:disabled):active{scale:1.05 .93}.action-chip.complete{background:#e8e3c8}@media(max-width:900px){.scene-wrap{height:clamp(390px,55svh,620px)}}@media(max-width:600px),(max-aspect-ratio:4/5){.scene-wrap{height:clamp(320px,48svh,610px)}}@media(min-width:601px)and (max-height:560px){.scene-wrap{height:380px}}@media(prefers-reduced-motion:reduce){.action-chip:not(:disabled):active{scale:1}}.bookshelf{position:relative;isolation:isolate;min-height:100svh;padding:max(34px,env(safe-area-inset-top)) max(20px,env(safe-area-inset-right)) max(40px,env(safe-area-inset-bottom)) max(20px,env(safe-area-inset-left));display:flex;flex-direction:column;align-items:center;gap:34px}.shelf-heading{text-align:center;color:#fff2d5}.shelf-heading>p{font-size:14px;letter-spacing:.12em;margin:0 0 10px}.shelf-heading h1{font-size:clamp(30px,5vw,48px);margin:0 0 18px;text-shadow:0 3px 7px #35211177}.shelf-heading .language-switch{display:inline-flex;color:#67421e}.shelf-books{display:grid;grid-template-columns:repeat(2,minmax(0,360px));gap:clamp(30px,6vw,80px);width:min(850px,100%);justify-content:center;padding:10px 12px 28px;border-bottom:12px solid #80502d;box-shadow:0 7px #b0804e,0 16px 16px #26180955}.book-cover{position:relative;min-height:430px;min-width:0;display:flex;flex-direction:column;align-items:center;padding:30px 22px 24px;border:2px solid #bd995b;border-left:16px solid #173149;border-radius:5px 13px 13px 5px;background:#213e5c;box-shadow:5px 3px #e9d8b6,9px 6px #bca279,12px 9px #24415a,15px 20px 20px #21150955;color:#fff0cb;transition:transform .25s ease,filter .25s}.book-cover:hover,.book-cover:focus-visible{transform:translateY(-9px) rotate(-2deg)}.book-cover:active{transform:translateY(-3px) rotate(0)}.cover-edition{font-size:12px;letter-spacing:.1em;color:#f6d58b}.book-cover h2{font-size:clamp(25px,3vw,33px);line-height:1.25;text-wrap:balance;margin:18px 0 8px;max-width:13ch}.cover-art{width:100%;height:245px;display:grid;place-items:center}.cover-art img{width:100%;height:100%;object-fit:contain;filter:drop-shadow(3px 5px 0 #fff2d844) drop-shadow(0 9px 8px #14223466)}.cover-footer{margin-top:auto;font-size:14px;line-height:1.5;color:#f4dfb4}.festival-cover{background:linear-gradient(#253747bb,#8e572ac9),url(/assets/festival-garden.webp) center/cover;border-left-color:#734d29}.bear-cover{background:linear-gradient(#142f4c88,#172d48dd),url(/assets/room.webp) center/cover}.shelf-hint{color:#ffedcc;text-align:center;font-size:16px}.home-button{flex-shrink:0}@media(max-width:600px){.bookshelf{gap:24px;padding:28px 24px 40px}.shelf-books{grid-template-columns:minmax(0,340px);gap:38px;padding-bottom:24px}.book-cover{min-height:405px}.book-cover h2{font-size:29px}.cover-art{height:225px}.shelf-heading h1{font-size:32px}.page-dots{flex-wrap:wrap;justify-content:center}.reading-options{row-gap:5px}}