:root{--paper:#eee3cd;--ink:#342b22;--gold:#c6a36b;--red:#8f2f28;--muted:#b3a389;--line:rgba(193,156,97,.35);color-scheme:dark;font-family:'Songti SC','STSong','Noto Serif CJK SC','SimSun',serif;font-synthesis:none}*{box-sizing:border-box}body{margin:0;color:#efe0c0;background:#201c18}button,a{-webkit-tap-highlight-color:transparent}button,input{font:inherit}button,a{touch-action:manipulation}button{cursor:pointer}button{color:inherit}a{color:inherit;text-decoration:none}button:focus-visible,a:focus-visible,input:focus-visible{outline:2px solid var(--gold);outline-offset:6px}button:disabled{cursor:wait;opacity:.6}.skip{position:fixed;top:-100px;background:#fff;color:#222;z-index:100}.skip:focus{top:0}header{height:96px;position:fixed;top:0;inset-inline:0;z-index:20;display:flex;align-items:center;padding:0 5.5%;border-bottom:1px solid var(--line);background:linear-gradient(#201c18ee,#201c18aa);gap:40px}body.light{color:var(--ink);background:var(--paper);color-scheme:light}body.light header{background:#f3ead9ee}.brand{display:flex;align-items:center;gap:14px;white-space:nowrap;font-size:21px;letter-spacing:.15em}.brand small{display:block;font:9px/2 sans-serif;letter-spacing:.22em;color:var(--gold)}.brand-seal{border:1px solid var(--gold);outline:1px solid var(--gold);outline-offset:5px;border-radius:50%;font-size:25px;width:42px;height:42px;display:grid;place-items:center;color:var(--gold)}nav{display:flex;gap:30px;margin-left:auto;font-size:14px}nav a{padding:12px 0;position:relative;white-space:nowrap;opacity:.65}nav a.active{opacity:1}nav a.active:after{content:'';height:2px;background:var(--gold);position:absolute;bottom:0;left:20%;right:20%}body.light nav a.active{color:var(--red)}#menu{display:none}#rail{position:fixed;left:3%;top:35%;z-index:10;display:grid;gap:25px}#rail button{border:0;background:none;display:flex;align-items:center;gap:10px;padding:4px;color:inherit;opacity:.4;font-size:11px}#rail i{width:6px;height:6px;border:1px solid currentColor;display:block;transform:rotate(45deg)}#rail button.active{opacity:1;color:var(--gold)}#rail .active i{background:currentColor;box-shadow:0 0 15px #dfb566}footer{height:58px;position:fixed;bottom:0;inset-inline:5.5%;display:flex;align-items:center;justify-content:space-between;border-top:1px solid var(--line);z-index:12;font-size:12px;letter-spacing:.1em;background:linear-gradient(transparent,#201c18bb)}body.light footer{background:linear-gradient(transparent,#eee3cdee)}.foot-name{opacity:.45;font-size:11px}.text-button{padding:10px 0;background:none;border:0;letter-spacing:.12em}.text-button:hover{color:var(--gold)}.icon-button{border:0;background:none;font-size:26px;width:44px;height:44px}.scene{position:relative;min-height:100svh;padding:136px 8% 90px 12%;overflow:hidden;animation:reveal .65s ease}.split{display:grid;grid-template-columns:1fr 1.1fr;align-items:center;gap:4vw;min-height:calc(100svh - 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@media(min-width:1500px){.scene{padding-left:14%;padding-right:10%}}@media(max-width:1100px){header{padding-inline:4%;gap:20px}nav{gap:16px;font-size:12px}.brand{font-size:17px}.scene{padding-left:10%;padding-right:6%}#rail{left:2%}.blessing p{font-size:15px}.tabs button{width:62px;height:62px}.ritual .lamp-art{min-height:350px}.foot-name{display:none}}@media(max-width:760px){header{height:76px;padding-inline:6%;justify-content:space-between}.brand{font-size:17px}.brand-seal{width:32px;height:32px;font-size:20px}.brand small{font-size:8px}#menu{display:block}nav{display:none;position:absolute;top:75px;left:0;right:0;margin:0;padding:25px;background:#241a17;grid-template-columns:repeat(2,1fr);gap:15px;text-align:center;font-size:15px}body.light nav{background:#eee3cd}nav.open{display:grid}#rail{display:none}footer{height:53px;inset-inline:6%;font-size:10px;background:#201c18ef}.scene{padding:110px 7% 90px;min-height:100svh;overflow:hidden}.split{display:flex;flex-direction:column;gap:26px;min-height:0;align-items:stretch}.copy{max-width:none}h1{font-size:57px}.eyebrow{font-size:10px;margin-bottom:20px}.desc{font-size:14px}.subtitle{font-size:18px}.btn{min-height:48px;font-size:14px;padding:12px 20px}.buttons{gap:12px;margin-top:24px}.hero{min-height:100svh}.hero .art{position:relative;top:auto;right:auto;width:100%;height:46vh;min-height:300px;margin:0;object-fit:cover;object-position:center 55%;mask-image:linear-gradient(transparent,#000 12%,#000 88%,transparent)}.hero .split{display:block}.hero .copy{padding:0}.hero h1{font-size:66px;white-space:nowrap}.hero .subtitle{font-size:16px}.scroll-hint,.vertical-poem{display:none}.hero .buttons{margin-bottom:12px}.origin{background-size:auto 67%;background-position:center bottom 40px;background-repeat:no-repeat;background-color:#eee3cd;min-height:1000px}.origin .copy{background:linear-gradient(#eee3cd,transparent)}.origin h1{font-size:53px}.hotspots{bottom:20%;left:7%;right:7%;flex-wrap:wrap;justify-content:center;gap:12px}.hotspot{padding:12px 15px}.structure h1,.details h1{font-size:48px}.assembly{min-height:450px;height:58vh}.part-tabs{display:flex;max-width:none}.part-tabs button{flex:1;gap:10px}.part-tabs button.active{border-left:0;border-bottom:2px solid var(--red)}.detail-photo{height:47vh;min-height:280px;object-position:center}.details .split{flex-direction:column-reverse}.tabs{justify-content:flex-start;gap:28px;margin:20px 0}.detail-text{min-height:0}.miniatures img{height:75px}.details .buttons{margin-top:20px}.ritual h1{font-size:60px}.ritual .lamp-art{height:65vh;max-height:700px;min-height:350px}.blessing p{font-size:16px}.draw-stage{margin-top:25px}.drawing h1{font-size:48px}.drawing .subtitle{font-size:16px}.finale{min-height:1000px}.finale h1{font-size:56px}.final-panorama{height:48vh;bottom:53px;object-position:center}.finale .buttons{gap:10px}.saved-badge{line-height:1.8}.modal-head h2{font-size:19px}dialog{padding:18px}.zoom-tools{gap:8px}.zoom-tools input{max-width:100px}.card-preview{height:54vh}.test-panel{max-width:240px}.quiet{font-size:10px}}
@media(prefers-reduced-motion:reduce){*,*:before,*:after{animation:none!important;transition:none!important;scroll-behavior:auto!important}}

/* Keep navigation anchored to the viewport; only the chapter content scrolls. */
:root{--header-height:96px;--footer-height:58px;--bottom-safe:env(safe-area-inset-bottom,0px)}
html,body{height:100%;overflow:hidden}
#main{position:fixed;inset:var(--header-height) 0 calc(var(--footer-height) + var(--bottom-safe));overflow-y:auto;overflow-x:hidden;overscroll-behavior-y:contain;-webkit-overflow-scrolling:touch;scroll-padding-bottom:24px}
.scene{min-height:100%;padding-top:40px;padding-bottom:32px}
.hero .art{top:0}
footer{inset-inline:0;bottom:0;height:calc(var(--footer-height) + var(--bottom-safe));padding:0 5.5% var(--bottom-safe);background:#201c18;z-index:25}
body.light footer{background:#eee3cd}
.finale{padding-top:36px}
@media(max-width:760px){:root{--header-height:76px;--footer-height:53px}.scene{padding-top:34px;padding-bottom:37px}.hero{min-height:100%}.hero .art{top:auto}.origin,.finale{min-height:871px}footer{padding-inline:6%}}

/* A live ritual around the supplied illustration, with accessible HTML controls. */
.wish-scene{padding:22px 0 24px;display:flex;flex-direction:column;align-items:center;background:#350d08;min-height:100%;isolation:isolate}
.wish-heading{position:relative;z-index:2;text-align:center;width:100%;background:radial-gradient(ellipse,#542014,#350d08 75%)}
.wish-heading .eyebrow{margin-bottom:7px;color:#d5b387}.wish-heading h1{font:500 clamp(46px,6vw,88px)/1.15 'STKaiti','Kaiti SC','KaiTi',serif;margin-bottom:8px;color:#efce92;letter-spacing:.12em;text-shadow:0 2px 20px #dc962c30}.wish-heading .subtitle{margin:0;font-size:clamp(16px,1.8vw,25px);letter-spacing:.25em;color:#e6cba0}
.wish-art{position:relative;width:100%;max-width:1536px;aspect-ratio:1536/455;overflow:hidden;flex-shrink:0;mask-image:linear-gradient(transparent,#000 9%,#000 92%,transparent)}
.wish-art>img{position:absolute;left:0;top:-59.3%;width:100%;height:auto;max-width:none}
.wish-controls{position:relative;z-index:3;text-align:center;width:100%;padding:0 20px}.wish-controls .quiet{margin:12px 0 0}.wish-controls .btn.primary{background:linear-gradient(110deg,#b98a48,#f0d199,#cfa764);color:#511d10;border:1px solid #ffe4b0;box-shadow:0 0 35px #d29b3520}
.intent-options{display:flex;justify-content:center;gap:12px;margin:0 0 16px;flex-wrap:wrap}.intent-options button{background:#45180f88;border:1px solid #b58a4d66;color:#c8ab7d;border-radius:24px;padding:8px 19px;font-size:13px;transition:.2s}.intent-options .selected{color:#ffe4ad;border-color:#dbb477;background:#9a602d44}
.wish-halo{position:absolute;left:40%;bottom:4%;width:20%;height:12%;border:1px solid #ffdb8b;border-radius:50%;opacity:.4;box-shadow:0 0 30px #eeb65c55,inset 0 0 30px #eeb65c44}.is-drawing .wish-halo{animation:halo-breathe 1.2s infinite}.wish-sparkles i{position:absolute;left:var(--x);top:var(--y);width:3px;height:3px;border-radius:50%;background:#ffe5a2;box-shadow:0 0 12px 3px #ffc65a80;opacity:0}.is-drawing .wish-sparkles i{animation:wish-float 1.8s calc(var(--i)*-.17s) infinite}.is-drawing .wish-art>img{animation:ritual-glow 1.8s ease-in-out infinite}.draw-progress{width:160px;height:2px;background:#c9a15f35;margin:18px auto 10px;overflow:hidden}.draw-progress span{height:100%;display:block;background:#f2d398;transform-origin:left;animation:draw-time 3.6s linear forwards}.wish-controls .draw-status{margin:0}.scene{animation:chapter-arrive .55s ease both}
@keyframes chapter-arrive{from{opacity:.15;transform:translateY(25px)}to{opacity:1;transform:translateY(0)}}@keyframes wish-float{0%{opacity:0;transform:translateY(25px)}35%{opacity:1}100%{opacity:0;transform:translateY(-70px)}}@keyframes halo-breathe{50%{transform:scale(1.15);opacity:.9}}@keyframes ritual-glow{50%{filter:brightness(1.18)}}@keyframes draw-time{from{transform:scaleX(0)}to{transform:scaleX(1)}}
@media(max-width:760px){.wish-scene{padding-top:25px;min-height:100%;padding-bottom:22px}.wish-heading h1{font-size:48px}.wish-heading .eyebrow{font-size:9px}.wish-art{width:180%;max-width:none;aspect-ratio:1536/455;margin-top:10px}.wish-controls{margin-top:0}.intent-options{gap:7px}.intent-options button{padding:7px 12px;font-size:12px}.wish-controls .btn{font-size:14px}.wish-controls .quiet{font-size:10px}.wish-heading .subtitle{font-size:16px}}
@media(prefers-reduced-motion:reduce){.scene,.is-drawing .wish-art>img,.is-drawing .wish-sparkles i,.is-drawing .wish-halo,.draw-progress span{animation:none}.draw-progress span{transform:none}}

.wish-art>img{mask-image:linear-gradient(to right,transparent 0 10%,#000 19% 94%,transparent 100%)}