@charset "UTF-8";
:root{--ink:#f0e6ce;--muted:#aeb9a9;--gold:#d7b774;--gold-bright:#f1d798;--gold-line:#b69b5c55;--red:#983d2c;--red-light:#b84d35;--jade:#14241d;--deep:#101b16;--paper:#efe5cf;--serif:Georgia,'Times New Roman',serif;--han:'Kaiti SC','STKaiti','KaiTi','Songti SC',serif;font-family:var(--text-font,'Times New Roman',Times,serif);color:var(--ink);background:var(--deep);font-synthesis:none}
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.hero{position:relative;isolation:isolate;height:100svh;min-height:760px;max-height:1300px;overflow:hidden;background:#202b22}.hero-landscapes,.hero-landscape,.cinema-shade{position:absolute;inset:0;width:100%;height:100%}.hero-landscapes{z-index:-3}.hero-landscape{object-fit:cover;opacity:0;transition:opacity 1400ms ease,transform 12s ease;transform:scale(1.045)}.hero-landscape.active{opacity:1;transform:scale(1)}.cinema-shade{z-index:-2;background:linear-gradient(90deg,#0a1515cf 0%,#101b1585 37%,#0d191543 65%,#0a161467 100%),linear-gradient(0deg,#0a1916f2 0%,transparent 26%,transparent 75%,#05141189 100%)}.imperial-frame{position:absolute;inset:19px;z-index:-1;border:1px solid #e1c18b35;pointer-events:none}.imperial-frame i{position:absolute;width:27px;height:27px;border:1px solid #d7b774b0}.imperial-frame i:after{content:'';position:absolute;width:13px;height:13px;border:1px solid #d7b774b0}.imperial-frame i:nth-child(1){left:6px;top:6px;border-right:0;border-bottom:0}.imperial-frame i:nth-child(1):after{left:5px;top:5px;border-right:0;border-bottom:0}.imperial-frame i:nth-child(2){right:6px;top:6px;border-left:0;border-bottom:0}.imperial-frame i:nth-child(2):after{right:5px;top:5px;border-left:0;border-bottom:0}.imperial-frame i:nth-child(3){left:6px;bottom:6px;border-right:0;border-top:0}.imperial-frame i:nth-child(3):after{left:5px;bottom:5px;border-right:0;border-top:0}.imperial-frame i:nth-child(4){right:6px;bottom:6px;border-left:0;border-top:0}.imperial-frame i:nth-child(4):after{right:5px;bottom:5px;border-left:0;border-top:0}.hero-body{height:100%;width:calc(100% - 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.patterns{padding-top:95px;background:linear-gradient(180deg,#101b16,#18271c 45%,#101b16)}.section-intro{display:flex;align-items:center;gap:27px;margin-bottom:45px}.section-stamp{writing-mode:vertical-rl;font-family:var(--han);font-size:24px;letter-spacing:7px;padding:12px 9px;color:#ba5a42;border:1px solid #a04b3780;line-height:1.4}.section-intro .eyebrow{margin-bottom:14px;font-size:18px}.section-intro h2{font-size:clamp(34px,3.3vw,52px);line-height:1.13;letter-spacing:-1px}.section-intro>p{margin:26px 0 0 auto;max-width:300px;color:#a8b19f;font-size:18px}.chapter-nav{display:grid;grid-template-columns:repeat(4,1fr);border-top:1px solid var(--gold-line);border-bottom:1px solid var(--gold-line);margin-bottom:48px}.chapter-nav a{display:flex;gap:13px;align-items:center;justify-content:center;text-decoration:none;padding:22px 10px;font-size:18px;color:#b9c0ac;border-right:1px solid #d3ae6630}.chapter-nav a:last-child{border-right:0}.chapter-nav a>span{font-family:var(--serif);font-style:italic;font-size:18px;color:#ab9766}.chapter-nav a b{font-family:var(--han);font-weight:400;font-size:23px;letter-spacing:3px;color:var(--gold)}.chapter-nav a:hover{background:#cfb2750c;color:var(--ink)}.character-row{display:grid;grid-template-columns:minmax(0,1.9fr) minmax(250px,.9fr);align-items:stretch;gap:0;min-height:560px;margin-bottom:70px;border:1px solid #aa925e50;background:linear-gradient(110deg,#203226,#18271f);box-shadow:0 16px 35px #040e092e;scroll-margin-top:32px}.landscape-scene{position:relative;isolation:isolate;min-height:560px;display:flex;flex-direction:column;align-items:center;justify-content:center;overflow:hidden}.scene-image,.scene-shade{position:absolute;inset:0;width:100%;height:100%;z-index:-2}.scene-image{object-fit:cover;transition:transform 1500ms ease,filter 1500ms ease}.scene-shade{z-index:-1;background:linear-gradient(180deg,#04100e65 0%,#10201815 32%,#06150f45 70%,#091810df 100%),radial-gradient(ellipse at 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h3{font-size:clamp(28px,2.35vw,39px);line-height:1.17;letter-spacing:-.4px;margin-bottom:22px}.row-copy>p{font-size:18px;color:#b3bdad;line-height:1.9;margin-bottom:17px}.row-copy>p.quiet{font-size:18px;color:#9fab98}.row-example{font-family:var(--han);font-size:45px;letter-spacing:3px;color:var(--gold);margin:12px 0 15px;white-space:nowrap}.row-example>span{font-size:18px;color:#99996f;padding:0 5px}.text-button{font-size:18px;color:#d8c295;text-decoration:underline;text-decoration-color:#9f96664d;text-underline-offset:5px;line-height:1.7;padding:8px 0;align-self:flex-start;text-align:left}.text-button:hover{color:var(--gold-bright)}.save-result{margin-top:4px}.result-word{display:flex;align-items:center;gap:15px;margin:15px 0 24px}.result-word>span{font-family:var(--han);font-size:62px;line-height:1;color:var(--gold-bright)}.result-word>div{display:flex;flex-direction:column;gap:8px;flex:1}.result-word strong{font-size:18px;font-weight:400;line-height:1.5}.pinyin{font-family:var(--serif);font-style:italic;color:#d5bc89;font-size:18px}.round-button{border:1px solid #c9af7250;border-radius:50%;width:33px;height:33px;display:inline-grid;place-items:center;font-size:18px;color:#e7d0a2;flex-shrink:0}.round-button:hover{background:#dfb36614}#picture-art{width:100%;height:370px;max-width:620px;color:var(--gold-bright);margin-top:-38px;filter:drop-shadow(0 3px 10px #04130c);stroke:#f4d997}.picture-lesson-controls{position:absolute;bottom:22px;left:38px;right:38px;text-align:center}.picture-choices{display:flex;justify-content:center;gap:10px}.picture-choices button,.choice-pills button,.tree-counts button{display:flex;align-items:center;justify-content:center;gap:8px;border:1px solid #d6ba8270;color:#e8dcc5;padding:10px 16px;background:#0e22184a;backdrop-filter:blur(7px);font-size:18px;transition:background .2s,border-color .2s;min-height:40px}.picture-choices button.active,.choice-pills button.active,.tree-counts button.active{border-color:var(--gold);color:var(--gold-bright);background:#34513b96}.picture-choices button span,.choice-pills button span,.tree-counts button span{font-family:var(--han);font-size:20px}.picture-choices button:hover,.choice-pills button:hover,.tree-counts button:hover{background:#263d2dac}.picture-lesson-controls input{margin:12px 0 0}.picture-lesson-controls .icon-text{font-size:18px}.point-experiment svg{width:min(90%,540px);fill:none;stroke:var(--gold-bright);stroke-width:6;stroke-linecap:round;stroke-linejoin:round;filter:drop-shadow(0 2px 10px #181409);margin-top:-35px}.point-experiment #point-mark{stroke:#ed9a72;transition:d .5s}.scene-bottom{position:absolute;bottom:30px;left:20px;right:20px;text-align:center;display:flex;flex-direction:column;align-items:center}.scene-prompt{font-family:var(--serif);font-size:19px;color:#f1e4c8;text-shadow:0 2px 8px #071d0e;margin:0 0 17px;line-height:1.5}.choice-pills{display:flex;justify-content:center;gap:10px;flex-wrap:wrap}.forest-row,.forest-experiment{min-height:650px}.forest-experiment .scene-shade{background:linear-gradient(180deg,#0a1a105c 0%,#09261830 40%,#081d1040 65%,#071a10e8 100%)}.forest-experiment[data-density="2"] .scene-image{filter:saturate(1.07)}.forest-experiment[data-density="3"] .scene-image{filter:saturate(1.18)}.tree-assembly{position:relative;width:480px;height:360px;margin-top:-100px;filter:drop-shadow(0 2px 10px #061809c9);max-width:90%}.assembly-tree{position:absolute;font-family:var(--han);font-size:290px;line-height:1;left:calc(50% - 145px);top:40px;color:#f6e0aa;transition:transform 900ms cubic-bezier(.22,1,.36,1),opacity 650ms;transform-origin:center}.tree-two,.tree-three{opacity:0;transform:scale(.35)}[data-count="2"] .tree-one{transform:translateX(-90px) scale(.74)}[data-count="2"] .tree-two{opacity:1;transform:translateX(90px) scale(.74)}[data-count="3"] .tree-one{transform:translate(-85px,72px) scale(.57)}[data-count="3"] .tree-two{opacity:1;transform:translate(85px,72px) scale(.57)}[data-count="3"] .tree-three{opacity:1;transform:translateY(-78px) scale(.57)}.forest-controls{bottom:28px}.tree-counts{display:flex;gap:10px;justify-content:center;margin-bottom:17px}.tree-counts button{padding:9px 16px}.forest-controls .button{min-width:170px;min-height:44px}.sound-display{margin-top:-45px;max-width:95%;filter:drop-shadow(0 2px 9px #081910)}.sound-equation{display:flex;align-items:center;justify-content:center;gap:12px;font-family:var(--han);font-size:clamp(82px,9vw,156px);line-height:1.2;color:#f5dfab}.meaning-component{color:#f4b291;display:inline-block;min-width:1em;text-align:center}.sound-component{color:#f0d399}.equation-plus,.equation-arrow{font-family:var(--serif);font-size:30px;opacity:.8}.equation-arrow{font-size:24px}.component-labels{display:grid;grid-template-columns:repeat(3,1fr);text-align:center;color:#e0d3b6;font-size:18px;letter-spacing:.3px;margin-top:23px;gap:28px}.component-labels>span:first-child{color:#efb292}.component-choices button{min-width:94px}.sound-experiment .scene-shade{background:linear-gradient(180deg,#0a1a1652,#0924184d 60%,#071810e8)}.six-methods{padding:0 0 36px;color:#a5b29b;border-bottom:1px solid var(--gold-line);font-size:18px}.six-methods summary{display:flex;align-items:center;gap:18px;list-style:none;cursor:pointer;font-size:18px}.six-methods summary::-webkit-details-marker{display:none}.six-methods summary>span:first-child{font-family:var(--han);font-size:24px;color:var(--gold);letter-spacing:4px}.details-action{font-size:18px;color:#c8b47d;margin-left:auto}.six-methods p{margin:22px 0 0;max-width:950px}.practice{display:grid;grid-template-columns:1fr 1.1fr;gap:80px;align-items:center;padding-top:80px;padding-bottom:85px}.practice h2{font-size:clamp(32px,3.4vw,49px);letter-spacing:-1px;line-height:1.15}.practice-copy>p:last-of-type{font-size:18px;color:#acb79f;margin-top:22px}.practice-inscription{display:block;font-family:var(--han);font-size:23px;letter-spacing:10px;color:#9d8e6066;margin-top:28px}.quiz-card{padding:34px;background:#233125;border:1px solid var(--gold-line);min-height:320px}.quiz-topline{display:flex;justify-content:space-between;font-size:18px;letter-spacing:1.5px;color:var(--gold);margin-bottom:25px}.quiz-dots{display:flex;gap:7px}.quiz-dots i{width:5px;height:5px;border-radius:50%;background:#788667}.quiz-dots i.active{background:var(--gold)}.quiz-card h3{font-size:25px;line-height:1.3;margin-bottom:25px}.quiz-options{display:flex;gap:14px}.quiz-options button{font-family:var(--han);font-size:42px;border:1px solid #cdb77b44;background:#1b281d;flex:1;min-height:82px;max-width:160px;color:#ecd7a7}.quiz-options button:hover:not(:disabled){background:#364b32}.quiz-options button.correct{background:#3f5736;border-color:#b9c59a}.quiz-options button.incorrect{background:#572e24;border-color:#c97b55}.quiz-card>p{font-size:18px;color:#b8c5ac;margin:21px 0 0}.quiz-card .button{min-height:38px;margin-top:19px;padding:8px 15px}.site-footer{border-top:1px solid var(--gold-line);display:flex;justify-content:space-between;align-items:flex-start;gap:70px;padding:36px 0 55px}.site-footer .brand{font-size:25px}.site-footer .brand-seal{width:35px;height:42px;font-size:29px}.site-footer .brand small{font-size:18px;letter-spacing:1.8px;color:#acac86}.sources{font-size:18px;color:#a2af99;max-width:600px}.sources summary{text-align:right;cursor:pointer;line-height:2.5;color:#c4b58d}.sources p{margin-top:17px}.sources a{color:var(--gold)}dialog{color:var(--ink);background:#1c2c20;border:1px solid var(--gold-line);padding:30px;max-width:620px;width:calc(100% - 32px);max-height:85dvh}dialog::backdrop{background:#06110ad9;backdrop-filter:blur(5px)}.dialog-header{display:flex;justify-content:space-between;gap:25px;align-items:flex-start;margin-bottom:25px}.dialog-header .eyebrow{font-size:18px;margin-bottom:9px}.dialog-header h2{font-size:35px}.dialog-header .round-button{font-size:23px}.collection-item{display:flex;align-items:center;gap:15px;padding:16px 0;border-top:1px solid var(--gold-line)}.collection-item>span{font-family:var(--han);font-size:42px;width:47px;color:var(--gold)}.collection-item>div{flex:1;display:grid;gap:5px}.collection-item strong{font-size:18px;font-weight:400}.collection-item small{font-size:18px;color:#bcc5af}.collection-item a{font-size:18px;color:var(--gold)}.empty-collection{font-size:18px;color:#adba9f;line-height:1.9;padding:23px 0}.toast{position:fixed;bottom:24px;left:50%;transform:translate(-50%,15px);max-width:calc(100% - 32px);width:max-content;padding:13px 21px;background:#253d2a;border:1px solid #c8b06e70;color:#f0e2bb;font-size:18px;line-height:1.5;opacity:0;pointer-events:none;transition:opacity .2s,transform .2s;z-index:30}.toast.visible{opacity:1;transform:translate(-50%,0)}.noscript{padding:30px;color:var(--gold)}
@media(min-width:1700px){.hero-body{gap:120px}.drawing-stage{height:520px}}
@media(max-width:1100px){.wrap{width:calc(100% - 70px)}.site-header{padding:30px 40px}.hero-body{width:calc(100% - 110px);gap:38px;grid-template-columns:.85fr 1.15fr}.hero-copy .eyebrow{font-size:18px;gap:8px;letter-spacing:1.2px}h1{font-size:clamp(42px,5.4vw,61px)}.hero-description{font-size:18px}.hero-bottom{left:55px;right:55px}.character-row{grid-template-columns:minmax(0,1.85fr) minmax(235px,.95fr)}.row-copy{padding:36px 25px}.row-copy h3{font-size:28px}.row-copy .eyebrow{font-size:18px;letter-spacing:1.1px}.row-copy>p{font-size:18px}.chapter-nav a{gap:9px;font-size:18px}.chapter-nav a b{font-size:20px}.scene-topline{left:22px;right:22px}.sound-equation{font-size:90px;gap:7px}.component-labels{gap:12px}.component-choices button{min-width:82px;padding:10px 12px}.tree-counts button{padding:10px 11px;font-size:18px}.section-intro>p{max-width:250px;font-size:18px}.practice{gap:50px}.scene-prompt{font-size:18px}.row-example{font-size:36px}}
@media(max-width:760px){.wrap{width:calc(100% - 38px)}.site-header{padding:27px 28px}.site-header nav{display:none}.brand{font-size:23px;gap:10px}.brand-seal{width:36px;height:43px;font-size:29px}.brand small{font-size:18px;letter-spacing:1.7px}.collection-button{font-size:18px;gap:7px}.collection-button svg{width:15px}.hero{min-height:850px;height:100svh}.hero-body{width:calc(100% - 62px);padding:120px 0 127px;display:flex;flex-direction:column;justify-content:flex-start;align-items:stretch;gap:14px}.hero-copy{padding:0}.hero-copy .eyebrow{margin-bottom:15px;font-size:18px;letter-spacing:1.2px}.hero-copy h1{font-size:46px;line-height:1.03;letter-spacing:-1.5px}.hero-copy h1 br:nth-of-type(2){display:none}.hero-description{display:none}.hero-copy>.button,.hero-note{display:none}.cinema-viewer{max-width:100%;margin:auto 0 0}.cinema-topline{margin-top:6px;font-size:18px}.cinema-topline b{font-size:19px}.cinema-topline>span:last-child{font-size:18px;letter-spacing:.8px}.drawing-stage{height:315px}.stage-side-note{font-size:18px;right:-9px;top:45px;letter-spacing:1.5px}.stage-caption{left:7px;gap:12px;bottom:4px}.stage-caption strong{font-size:18px}.stage-caption p{font-size:18px}.caption-number{font-size:18px}.story-controls{margin:16px 7px 0}.timeline-labels button{font-size:18px}.icon-text{font-size:18px}.hero-bottom{bottom:34px;left:30px;right:30px;align-items:center;gap:12px}.story-picker{gap:20px}.story-picker button{gap:8px}.story-picker button>span:first-child{font-size:29px}.story-picker button>span:last-child{font-size:18px}.story-picker small{font-size:18px;letter-spacing:1px;margin-top:5px}.scroll-invitation{gap:8px;margin:0}.scroll-invitation>span:first-child{display:none}.hero-inscription{display:none}.imperial-frame{inset:12px}.cinema-shade{background:linear-gradient(180deg,#0a161483,#0f1b1480 20%,#071a1545 50%,#081813d4 100%),linear-gradient(90deg,#0c17136f,transparent)}.hero-landscape{object-position:58% center}.patterns{padding-top:60px}.section-intro{gap:17px;flex-wrap:wrap;margin-bottom:28px}.section-stamp{font-size:20px;padding:10px 6px;letter-spacing:4px}.section-intro h2{font-size:34px}.section-intro .eyebrow{font-size:18px;letter-spacing:1.4px;margin-bottom:12px}.section-intro>p{max-width:100%;flex-basis:100%;margin:5px 0 0;font-size:18px}.chapter-nav{grid-template-columns:repeat(4,1fr);margin-bottom:35px}.chapter-nav a{flex-direction:column;gap:8px;padding:17px 5px;font-size:18px;text-align:center;line-height:1.4}.chapter-nav a>span{font-size:18px}.chapter-nav a b{font-size:22px}.character-row{display:flex;flex-direction:column;min-height:auto;margin-bottom:36px}.landscape-scene{min-height:460px}.row-copy{border-left:0;border-top:1px solid #baa36e30;padding:37px 33px 32px}.row-copy .eyebrow{font-size:18px;margin-bottom:20px}.row-copy h3{font-size:31px}.row-copy>p{font-size:18px;max-width:600px}.row-copy:before{inset:13px}.scene-topline{top:20px;left:22px;right:22px;font-size:18px;letter-spacing:1.2px}.scene-topline b{font-size:22px}#picture-art{height:305px;margin-top:-44px}.picture-lesson-controls{left:24px;right:24px;bottom:18px}.picture-choices{gap:7px}.picture-choices button{padding:8px 12px;font-size:18px}.scene-prompt{font-size:18px}.scene-bottom{bottom:24px;left:16px;right:16px}.choice-pills{gap:8px}.choice-pills button{padding:9px 12px;font-size:18px}.point-experiment svg{margin-top:-45px;width:96%}.forest-experiment{min-height:550px}.tree-assembly{width:360px;height:280px;margin-top:-96px}.assembly-tree{font-size:236px;left:calc(50% - 118px);top:20px}[data-count="2"] .tree-one{transform:translateX(-72px) scale(.69)}[data-count="2"] .tree-two{transform:translateX(72px) scale(.69)}[data-count="3"] .tree-one{transform:translate(-68px,68px) scale(.55)}[data-count="3"] .tree-two{transform:translate(68px,68px) scale(.55)}[data-count="3"] .tree-three{transform:translateY(-53px) scale(.55)}.tree-counts{gap:7px}.tree-counts button{font-size:18px;padding:8px 11px}.tree-counts button span{font-size:22px}.forest-controls{bottom:24px}.forest-controls .button{min-height:43px}.sound-equation{font-size:93px;gap:6px}.equation-plus{font-size:22px}.equation-arrow{font-size:18px}.component-labels{font-size:18px;gap:13px;margin-top:17px}.component-choices button{min-width:86px}.six-methods{padding-bottom:28px}.six-methods summary{font-size:18px;gap:10px;flex-wrap:wrap;line-height:1.6}.six-methods summary>span:first-child{font-size:22px}.details-action{font-size:18px}.six-methods p{font-size:18px}.practice{grid-template-columns:1fr;gap:28px;padding:51px 0}.practice h2{font-size:34px}.practice-inscription{display:none}.practice-copy>p:last-of-type{margin-top:18px}.quiz-card{padding:26px 24px;min-height:300px}.quiz-card h3{font-size:23px}.quiz-options button{max-width:none}.site-footer{padding:30px 0 45px;flex-direction:column;gap:24px}.sources{max-width:100%;font-size:18px}.sources summary{text-align:left}.site-footer .brand small{font-size:18px}.collection-item{gap:10px}.collection-item a{font-size:18px}dialog{padding:24px}}
@media(max-width:430px){.hero-copy h1{font-size:40px}.hero{min-height:800px}.hero-body{padding-top:113px;padding-bottom:130px;gap:7px}.hero-copy .eyebrow .gold-rule{display:none}.hero-copy .eyebrow{font-size:18px;letter-spacing:.6px;gap:8px}.hero-copy .eyebrow>span[lang]{font-size:18px;letter-spacing:2px}.drawing-stage{height:295px}.cinema-viewer{margin-top:auto}.cinema-topline>span:last-child{font-size:18px}.stage-caption p{max-width:240px;font-size:18px}.story-picker{gap:15px}.story-picker button>span:last-child{font-size:18px}.site-header{padding-inline:26px}.collection-button>span:nth-of-type(1){font-size:18px}.brand{font-size:21px}.brand small{font-size:18px}.sound-equation{font-size:76px;gap:4px}.equation-plus{font-size:18px}.equation-arrow{font-size:18px}.sound-display{max-width:99%}.component-labels{font-size:18px;gap:6px}.scene-prompt{font-size:18px}.choice-pills button{padding:9px 10px;font-size:18px}.tree-counts button{padding:8px 9px;font-size:18px;gap:6px}.scene-topline b{font-size:22px}.scene-topline>span:last-child{font-size:18px}.row-copy{padding:35px 28px}.chapter-nav a{font-size:18px}.section-intro h2{font-size:31px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{animation:none!important;transition:none!important}}

.landscape-scene>.scene-image{z-index:0}.landscape-scene>.scene-shade{z-index:1;pointer-events:none}.landscape-scene>:not(.scene-image):not(.scene-shade){z-index:2}

/* Meanings and the selected component explanation stay on the artwork. */
.scene-definition{display:flex;align-items:center;justify-content:center;gap:14px;width:fit-content;max-width:100%;padding:10px 17px;margin:0 auto 16px;border:1px solid #d7b77470;background:#07150edb;backdrop-filter:blur(8px);color:#f4e8ce;text-align:left}
.scene-character{font-family:var(--han);font-size:46px;line-height:1;color:var(--gold-bright);flex-shrink:0}.scene-definition-copy{display:flex;flex-direction:column;gap:6px;min-width:0}.scene-meaning-text{font-family:var(--text-font,'Times New Roman',Times,serif);font-size:19px;font-weight:500;line-height:1.35}.scene-definition .pinyin{font-size:18px}.scene-definition .round-button{width:44px;height:44px;min-width:44px;font-size:18px;margin-left:6px}.scene-explanation{max-width:510px;width:100%;padding:12px 17px;margin:0 0 16px;background:#071a13e6;border:1px solid #d7b77438;font-size:18px;line-height:1.65;text-align:center;color:#eee4ce}
#hero-definition{margin:20px 18px 0;justify-content:flex-start;width:calc(100% - 36px);background:#0c1a146b;padding:10px 14px}#hero-definition .scene-definition-copy{flex:1}#hero-definition .scene-character{font-size:38px}#hero-definition .scene-meaning-text{font-size:19px}.cinema-viewer .drawing-stage{height:clamp(280px,36svh,425px)}.story-picker{position:relative;overflow-x:auto;max-width:calc(100% - 160px);gap:23px;scrollbar-width:none}.story-picker::-webkit-scrollbar{display:none}.story-picker button{flex-shrink:0;min-height:48px}
.picture-experiment,.point-experiment{min-height:660px}#picture-art{height:365px;margin-top:-155px}.picture-lesson-controls{bottom:22px;left:28px;right:28px}.picture-choices{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:8px}.picture-choices button{padding:9px 8px;min-height:48px;font-size:18px}.point-experiment svg{margin-top:-165px}.point-experiment .choice-pills{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));width:min(100%,570px)}.point-experiment .choice-pills button{min-height:48px}.point-experiment #point-tree-mark{stroke:#ed9a72;stroke-width:7}
.forest-row,.forest-experiment{min-height:760px}.tree-assembly{margin-top:-165px}.tree-counts{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:9px;width:min(100%,600px)}.tree-counts button{min-height:48px;padding:9px 11px}.forest-controls{left:27px;right:27px}.forest-controls .scene-explanation{max-width:520px}.forest-controls .scene-definition{margin-bottom:12px}.rest-assembly{display:flex;align-items:center;justify-content:center;position:relative;width:90%;min-height:315px;gap:26px;margin-top:-165px;filter:drop-shadow(0 2px 9px #02140cb3);transition:gap 700ms}.rest-piece{display:flex;flex-direction:column;align-items:center;gap:13px;transition:opacity 600ms,transform 800ms}.rest-piece>span{font-family:var(--han);font-size:196px;line-height:1;color:var(--gold-bright)}.rest-person>span{width:.62em}.rest-tree>span{width:1em}.rest-piece small{color:#eee3c9;font-size:18px}.rest-plus{font-family:var(--serif);font-size:34px;color:var(--gold);transition:opacity 500ms}.rest-assembly:after{content:'休';position:absolute;inset:0;display:grid;place-items:center;font-family:var(--han);font-size:290px;line-height:1;color:var(--gold-bright);opacity:0;transform:scale(.8);transition:opacity 700ms,transform 800ms;pointer-events:none}.rest-assembly[data-joined="true"] .rest-person{transform:translateX(38px);opacity:0}.rest-assembly[data-joined="true"] .rest-tree{transform:translateX(-38px);opacity:0}.rest-assembly[data-joined="true"] .rest-plus{opacity:0}.rest-assembly[data-joined="true"]:after{opacity:1;transform:scale(1)}
.sound-experiment{min-height:740px}.sound-display{margin-top:-210px}.component-labels{font-size:18px;line-height:1.55;gap:25px;margin-top:18px}.component-choices{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:9px;width:min(100%,620px)}.component-choices button{min-width:0;min-height:48px;padding:9px 8px;font-size:18px}.sound-experiment .scene-bottom{bottom:28px;left:28px;right:28px}.sound-experiment .scene-explanation{max-width:570px}.sound-experiment .scene-definition{margin-bottom:12px}.quiz-options button{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:10px;padding:13px 8px}.quiz-character{font-family:var(--han);font-size:42px}.quiz-options button small{font-family:var(--text-font,'Times New Roman',Times,serif);font-size:18px;line-height:1.5;color:#d9d4b5}.row-copy .text-button{min-height:40px}.scene-audio:focus-visible{outline:2px solid var(--gold-bright)}
@media(max-width:1100px){.picture-choices button{font-size:18px;padding:9px 4px;gap:5px}.picture-choices button span{font-size:18px}.component-choices{gap:7px}.component-choices button{font-size:18px;gap:5px;padding:9px 5px}.component-choices button span{font-size:18px}.tree-counts button{font-size:18px;padding:8px 8px;gap:5px}.point-experiment .choice-pills button{padding:9px 9px;font-size:18px;gap:7px}}
@media(max-width:760px){.hero{min-height:820px}.hero-body{padding-top:110px;padding-bottom:123px}.hero-copy h1{font-size:38px}.cinema-viewer .drawing-stage{height:240px}.cinema-topline{margin-top:7px}#hero-definition{margin:13px 6px 0;width:calc(100% - 12px);padding:9px 12px}#hero-definition .scene-character{font-size:34px}#hero-definition .scene-meaning-text{font-size:18px}.story-picker{max-width:calc(100% - 32px);gap:20px}.hero-bottom{gap:8px;bottom:30px}.scene-definition{padding:9px 12px;gap:11px;margin-bottom:12px}.scene-character{font-size:40px}.scene-meaning-text{font-size:18px}.scene-definition .pinyin{font-size:18px}.scene-explanation{font-size:18px;line-height:1.65;padding:12px 13px;margin-bottom:15px}.picture-experiment{min-height:640px}#picture-art{height:315px;margin-top:-175px}.picture-lesson-controls{left:20px;right:20px;bottom:18px}.picture-choices{grid-template-columns:repeat(3,minmax(0,1fr));gap:8px}.picture-choices button{min-height:45px;font-size:18px;padding:7px 8px}.picture-choices button span{font-size:21px}.point-experiment{min-height:640px}.point-experiment svg{margin-top:-190px;width:100%}.point-experiment .choice-pills{grid-template-columns:repeat(2,minmax(0,1fr));gap:9px}.point-experiment .choice-pills button{font-size:18px;min-height:45px}.point-experiment .scene-bottom{left:21px;right:21px;bottom:23px}.forest-experiment{min-height:740px}.forest-row{min-height:0}.tree-assembly{margin-top:-230px}.forest-controls{left:22px;right:22px;bottom:22px}.tree-counts{grid-template-columns:repeat(2,minmax(0,1fr));gap:9px}.tree-counts button{font-size:18px;gap:10px;min-height:45px;padding:8px 12px}.tree-counts button span{font-size:23px}.forest-controls .button{min-height:46px;font-size:18px}.rest-assembly{min-height:300px;margin-top:-238px;gap:12px;width:95%}.rest-piece>span{font-size:155px}.rest-piece small{font-size:18px}.rest-plus{font-size:25px}.rest-assembly:after{font-size:250px}.sound-experiment{min-height:710px}.sound-display{margin-top:-260px}.sound-equation{font-size:93px}.component-labels{font-size:18px;gap:8px;margin-top:15px}.component-choices{grid-template-columns:repeat(3,minmax(0,1fr));gap:8px}.component-choices button{min-height:45px;font-size:18px;gap:8px;padding:8px 9px}.component-choices button span{font-size:20px}.sound-experiment .scene-bottom{left:20px;right:20px;bottom:24px}.sound-experiment .scene-explanation{font-size:18px}.row-copy>p{font-size:18px}.round-button{min-width:44px;min-height:44px}.text-button{min-height:44px;font-size:18px}.quiz-options button small{font-size:18px}.quiz-options button{min-height:111px}.row-copy .result-word .round-button{min-width:44px}.collection-item a{font-size:18px}}
@media(max-width:430px){.hero-copy h1{font-size:36px}.cinema-viewer .drawing-stage{height:232px}.hero-copy .eyebrow{margin-bottom:12px}.story-controls{margin-top:12px}.stage-caption strong{font-size:18px}.scene-explanation{font-size:18px}.sound-equation{font-size:78px;gap:4px}.component-labels{font-size:18px}.rest-piece>span{font-size:147px}.rest-assembly{gap:10px}.scene-definition-copy{max-width:210px}.scene-meaning-text{font-size:18px}.component-choices button{font-size:18px;padding:8px 6px}.picture-choices button{font-size:18px}.point-experiment .choice-pills button{font-size:18px}}
@media(max-width:360px){.collection-button>span:nth-of-type(1){display:none}.site-header{gap:10px}.hero-copy h1{font-size:32px}.sound-equation{font-size:67px;gap:3px}.rest-piece>span{font-size:123px}.scene-definition{gap:8px;padding:9px 10px}.scene-meaning-text{font-size:18px}.scene-definition .round-button{margin-left:2px}.row-copy{padding:33px 24px}}
.component-labels>span{white-space:pre-line}

/* All six principles remain visible, with counts separate from repeated examples. */
.learning-count{display:flex;align-items:center;gap:24px;flex-wrap:wrap;margin-bottom:26px;color:#d8c99f;font-size:18px;line-height:1.6}.learning-count b{font-size:22px;font-weight:400;font-family:var(--serif);color:var(--gold-bright);padding-right:5px}.learning-count small{flex-basis:100%;font-size:18px;color:#a8b59f}.chapter-nav{grid-template-columns:repeat(6,minmax(0,1fr))}.chapter-nav a{gap:10px;font-size:18px;padding:22px 8px}.chapter-nav a b{font-size:22px;letter-spacing:2px}.six-principles-note{display:flex;gap:23px;align-items:center;border-top:1px solid var(--gold-line);border-bottom:1px solid var(--gold-line);padding:28px 0;color:#b9c3b0}.six-principles-note>span{font-family:var(--han);font-size:27px;color:var(--gold);letter-spacing:5px;flex-shrink:0}.six-principles-note p{font-size:18px;line-height:1.8;margin:0;max-width:950px}
.loan-experiment,.related-experiment{min-height:810px}.principle-controls{left:28px;right:28px;bottom:23px}.principle-controls .scene-explanation{max-width:560px;margin-bottom:13px}.principle-controls .scene-definition{margin-bottom:12px}.principle-choices{margin-bottom:5px}.principle-choices button{min-width:135px;min-height:46px;font-size:18px}.principle-controls input{max-width:480px;margin:9px 0 10px}.principle-controls .button{min-height:45px}.animation-step{font-size:18px;line-height:1.5;color:#e0d4b7;margin:13px 0 0;max-width:100%}
.loan-stage{position:relative;width:92%;max-width:650px;height:310px;margin-top:-290px;--loan-x:20%;--mark-opacity:0;--origin-opacity:1;--destination-opacity:.4;filter:drop-shadow(0 2px 8px #071a13)}.loan-origin{position:absolute;left:1%;top:0;width:35%;display:flex;flex-direction:column;align-items:center;gap:9px;opacity:var(--origin-opacity)}.loan-origin svg{width:126px;height:145px;color:var(--gold-bright)}.loan-origin-label{font-size:18px;letter-spacing:1.5px;color:#ddc59a}.loan-origin strong{font-size:18px;font-weight:400;line-height:1.4;text-align:center;color:#f0e0be}.loan-transfer-mark{position:absolute;left:var(--loan-x);top:160px;transform:translateX(-50%);display:flex;flex-direction:column;align-items:center;gap:6px;opacity:var(--mark-opacity)}.loan-transfer-mark>span{font-family:var(--han);font-size:158px;line-height:1;color:var(--gold-bright)}.loan-transfer-mark small{font-size:18px;letter-spacing:1.4px;white-space:nowrap;color:#d8c9a2}.loan-destination{position:absolute;right:0;top:64px;width:32%;border:1px solid var(--gold-line);background:#10221ab8;padding:20px 12px;display:flex;flex-direction:column;align-items:center;gap:13px;opacity:var(--destination-opacity)}.loan-new-word{font-family:var(--serif);font-size:24px;line-height:1.25;text-align:center;color:#f7e4b7}.loan-destination small{font-size:18px;letter-spacing:1.2px;text-align:center;color:#d8c99f}.loan-arrow{font-size:28px;color:var(--gold)}
.related-experiment .scene-shade{background:linear-gradient(180deg,#08170fc2,#0a1a168c 45%,#06130fe8)}.interpretation-badge{position:absolute;top:74px;left:28px;right:28px;color:#e4cda2;font-size:18px;letter-spacing:1.1px;text-align:center;padding:9px 12px;background:#0b1e1687;border:1px solid #b6a5724d}.relation-map{position:relative;width:90%;max-width:620px;margin-top:-267px;--old-opacity:.45;--test-opacity:.45}.relation-root{width:max-content;max-width:96%;margin:auto;padding:13px 20px;background:#12291ee0;border:1px solid #d5b67770;text-align:center;display:grid;gap:8px}.relation-root>span{font-size:18px;letter-spacing:1.5px;color:var(--gold)}.relation-root strong{font-family:var(--serif);font-size:20px;line-height:1.3;font-weight:400;color:#f0e4c8}.relation-branches{width:75%;height:90px;margin:auto;overflow:visible;fill:none;stroke:var(--gold);stroke-width:2;filter:drop-shadow(0 0 5px #dbbf7450)}.relation-branches path{stroke-dasharray:100;stroke-dashoffset:100}.relation-words{display:flex;justify-content:center;gap:60px}.relation-word{display:flex;flex-direction:column;align-items:center;padding:0 15px 12px;border-bottom:1px solid transparent;gap:10px;min-width:150px}.relation-word>span{font-family:var(--han);font-size:116px;line-height:1;color:#eddaaa}.relation-word>b{font-size:18px;font-weight:400;color:#f2e4c8}.relation-word small{font-size:18px;letter-spacing:1px;color:#d1c59f}.relation-word:nth-child(1){opacity:var(--old-opacity)}.relation-word:nth-child(2){opacity:var(--test-opacity)}.relation-word.active{border-bottom-color:var(--gold)}.relation-map[data-connected="true"] .relation-root{border-color:#f0d794}
@media(max-width:1100px){.chapter-nav a{flex-direction:column;gap:8px;font-size:18px;line-height:1.5;text-align:center}.chapter-nav a b{font-size:23px}.relation-words{gap:22px}.relation-word{min-width:120px;padding:0 8px 12px}.loan-new-word{font-size:21px}.loan-origin strong{font-size:18px}}
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