:root{font-family:-apple-system,BlinkMacSystemFont,PingFang SC,Microsoft YaHei,sans-serif;color:#edece4;background:#151a18;font-synthesis:none;font-weight:400;--gold:#d6b477;--muted:#a5aca5;--border:#ffffff22}*{box-sizing:border-box}html,body{margin:0;width:100%;height:100%;overflow:hidden}button,a{-webkit-tap-highlight-color:transparent}button{font:inherit;cursor:pointer;border:0}button:disabled{opacity:.4;cursor:wait}button:focus-visible,a:focus-visible{outline:2px solid #e5c790;outline-offset:5px}button{color:inherit}a{color:inherit;text-decoration:none}button:hover{filter:brightness(1.12)}[hidden]{display:none!important}#app{height:100dvh;min-height:400px;position:relative;isolation:isolate;overflow:hidden}#scene,#camera,.stage-backdrop,.vignette{position:absolute;inset:0;width:100%;height:100%}#scene{z-index:1;touch-action:none}#scene canvas{display:block;width:100%;height:100%;touch-action:none}#camera{object-fit:cover;visibility:hidden;z-index:-1;background:#151a18}.stage-backdrop{z-index:0;background:radial-gradient(ellipse at 59% 44%,#48504555,#28342a44 27%,#151a18 70%)}.stage-backdrop:after{content:"";position:absolute;inset:20% 10% 15%;border-radius:50%;background:radial-gradient(ellipse,#c9b58008,transparent 65%)}.vignette{pointer-events:none;z-index:2;background:linear-gradient(#10161244,transparent 24%,transparent 67%,#101612bb)}header{position:absolute;z-index:5;top:max(28px,env(safe-area-inset-top));left:5vw;right:5vw;display:flex;align-items:center;gap:18px}.brand{display:flex;gap:13px;align-items:center;font-size:17px;letter-spacing:3px}.brand small{display:block;letter-spacing:2px;font-size:8px;color:var(--muted);margin-top:7px}.seal{border:1px solid #d6b47788;color:var(--gold);padding:3px 8px;font-family:Songti SC,serif;font-size:17px;line-height:1.1;letter-spacing:0}.icon-button{width:42px;height:42px;border:1px solid var(--border);background:#18201977;border-radius:50%;font-size:19px;display:grid;place-items:center}.icon-button:hover{background:#ffffff13}#help{margin-left:auto}#back{display:none}.intro-copy{position:absolute;left:10%;top:27%;z-index:3;pointer-events:none}.eyebrow{font-size:11px;color:var(--gold);letter-spacing:3px;margin:0 0 20px}h1{font-family:Songti SC,"Noto Serif CJK SC",serif;font-weight:400;line-height:1.3;font-size:clamp(38px,4.1vw,68px);letter-spacing:4px;margin:0 0 22px}.intro-description{font-size:14px;line-height:1.9;color:var(--muted);letter-spacing:1px}.intro-actions{position:absolute;z-index:4;left:10%;bottom:11%;width:300px}.primary{width:100%;background:var(--gold);color:#20251f;padding:18px 21px;border-radius:5px;text-align:left;font-size:15px;font-weight:600;letter-spacing:.4px;display:flex;justify-content:space-between;align-items:center;min-height:54px}.primary span{font-size:19px}.text-button{background:transparent;color:#e3dfd1;font-size:13px;padding:16px 0;letter-spacing:.6px}.text-button span{margin-left:14px}.privacy{font-size:10px;letter-spacing:.5px;color:#889188;margin:4px 0}.artifact-caption{position:absolute;bottom:9%;right:18%;z-index:3;color:#a6ab9c;font-size:10px;letter-spacing:2px;display:flex;align-items:center;gap:14px}.caption-line{display:block;width:30px;height:1px;background:#75816e}.status{position:absolute;z-index:4;top:112px;left:50%;transform:translate(-50%);display:none;align-items:center;gap:8px;white-space:nowrap;max-width:92%;font-size:12px;background:#141b18cc;border:1px solid var(--border);padding:11px 17px;border-radius:30px;-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px)}#status-dot{width:5px;height:5px;background:#d6b477;border-radius:50%;flex:none}.experience-bottom{position:absolute;z-index:4;bottom:max(26px,env(safe-area-inset-bottom));left:50%;transform:translate(-50%);width:min(430px,90%);display:none;text-align:center}.instruction{font-size:12px;letter-spacing:1px;margin-bottom:24px;color:#d1d3c9;text-shadow:0 1px 10px #000}.toolbar{display:flex;align-items:center;justify-content:center;gap:28px}.tool-button{background:#172019aa;border:1px solid var(--border);height:59px;width:60px;border-radius:12px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:4px;-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px)}.tool-button>span{font-size:23px;line-height:1}.tool-button small{font-size:9px;white-space:nowrap}.transform-button{min-width:166px;height:59px;background:var(--gold);color:#23281f;border-radius:12px;font-size:15px;font-weight:600;display:flex;justify-content:center;align-items:center;gap:11px}#transform-icon{font-size:23px}#mode-note{font-size:10px;letter-spacing:1px;color:#a3ad9f;margin-top:19px}.loading{position:absolute;z-index:10;inset:0;background:#121b16ee;display:flex;flex-direction:column;align-items:center;justify-content:center;padding:30px;text-align:center}.loading h2{font-family:Songti SC,serif;font-weight:400;letter-spacing:3px;font-size:28px}.loading p{font-size:13px;color:var(--muted);line-height:1.8}.loading-ring{width:56px;height:56px;border:1px solid #d6b47733;border-top-color:var(--gold);border-radius:50%;animation:spin 1.7s linear infinite}#scan-guide{display:none;position:absolute;pointer-events:none;z-index:3;top:50%;left:50%;transform:translate(-50%,-50%);width:min(58vw,260px);height:min(87vw,390px);max-height:48%}#scan-guide i{position:absolute;width:27px;height:27px;border-color:#ebd3a3;border-style:solid;border-width:0}#scan-guide i:nth-child(1){top:0;left:0;border-top-width:1px;border-left-width:1px}#scan-guide i:nth-child(2){top:0;right:0;border-top-width:1px;border-right-width:1px}#scan-guide i:nth-child(3){bottom:0;left:0;border-bottom-width:1px;border-left-width:1px}#scan-guide i:nth-child(4){bottom:0;right:0;border-bottom-width:1px;border-right-width:1px}#scan-guide div{height:1px;width:85%;margin-left:7.5%;background:linear-gradient(90deg,transparent,#dcc7a0,transparent);animation:scan 3s ease-in-out infinite}#hand-cursor{display:none;position:absolute;z-index:6;width:38px;height:38px;pointer-events:none;border:1px solid #ead5a2bb;border-radius:50%;transform:translate(-50%,-50%);box-shadow:0 0 15px #dfb96933}#hand-cursor span{width:4px;height:4px;background:#fce3a9;position:absolute;left:16px;top:16px;border-radius:50%}#hand-cursor.grabbed{background:#e8bf6844;border:2px solid #ffe4a7;box-shadow:0 0 28px #dfb96977}dialog{background:#202821;color:#e9ebdf;border:1px solid #b4c09d33;border-radius:20px;padding:34px;width:min(470px,calc(100% - 28px));max-height:87dvh;overflow:auto;box-shadow:0 20px 90px #0009}dialog::backdrop{background:#08100ccc;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px)}dialog .dialog-close{position:absolute;right:18px;top:18px;width:32px;height:32px}dialog h2{font-family:Songti SC,serif;font-size:29px;font-weight:400;line-height:1.4;margin:0 0 24px;letter-spacing:2px}dialog .eyebrow{font-size:10px;margin:7px 0 16px}dialog ol{list-style:none;padding:0;margin:20px 0}dialog li{display:flex;gap:20px;margin-bottom:20px;font-size:12px;line-height:1.8}dialog li b{flex:none;color:var(--gold);font-weight:500}dialog li span{color:#c2cabd}.reference-row{display:flex;gap:12px;align-items:center;padding:17px 0;border-top:1px solid var(--border)}.reference-row img{height:94px;border-radius:3px}.reference-row p{font-size:11px;line-height:1.9;color:var(--muted)}.dialog-note{font-size:10px;line-height:1.9;color:#a3ad9f;margin-bottom:22px}#error-message{font-size:14px;line-height:1.9;color:#c2cabd;margin-bottom:25px}#fatal{position:absolute;z-index:20;inset:0;background:#182019;padding:30vh 8vw 0;line-height:1.8}body:not([data-mode=intro]) .intro-copy,body:not([data-mode=intro]) .intro-actions,body:not([data-mode=intro]) .intro-only{display:none}body:not([data-mode=intro]) #back{display:grid}body:not([data-mode=intro]) .experience-bottom,body:not([data-mode=intro]) .status{display:flex}body:not([data-mode=intro]) .experience-bottom{display:block}body[data-mode=camera] #camera{visibility:visible}body[data-mode=camera] .stage-backdrop{display:none}body[data-mode=camera] .vignette{background:linear-gradient(#0007,transparent 26%,transparent 60%,#000a)}body[data-mode=camera][data-scanning=true] #scan-guide{display:block}@keyframes spin{to{transform:rotate(360deg)}}@keyframes scan{0%,to{transform:translateY(20px);opacity:.3}50%{transform:translateY(260px);opacity:.8}}@media(max-width:760px){header{left:24px;right:24px;top:max(24px,env(safe-area-inset-top))}.brand{font-size:15px;letter-spacing:2px;gap:10px}.brand small{font-size:7px;margin-top:5px}.seal{font-size:15px}.icon-button{width:36px;height:36px}.intro-copy{left:28px;top:112px}.eyebrow{font-size:10px;letter-spacing:2px;margin-bottom:12px}h1{font-size:35px;line-height:1.27;margin-bottom:12px;letter-spacing:2px}.intro-description{display:none}.intro-actions{left:28px;right:28px;width:auto;bottom:max(28px,env(safe-area-inset-bottom));text-align:center}.primary{text-align:center;justify-content:center;gap:25px;padding:17px 15px}.privacy{font-size:9px}.text-button{padding:14px}.artifact-caption{right:28px;bottom:195px;font-size:8px;letter-spacing:1px}.caption-line{width:22px}.desktop-only{display:none}.status{top:88px;font-size:11px;padding:10px 14px}.instruction{font-size:11px;letter-spacing:.2px}.toolbar{gap:19px}.experience-bottom{bottom:max(23px,env(safe-area-inset-bottom))}dialog{padding:27px}dialog h2{font-size:26px}dialog li{gap:16px}.reference-row img{height:86px}}@media(max-height:700px)and (max-width:760px){.intro-copy{top:85px}h1{font-size:28px}.intro-copy .eyebrow{font-size:9px;margin-bottom:9px}.intro-actions{bottom:16px}.artifact-caption{display:none}.primary{min-height:48px;padding:13px}.privacy{margin:0}.intro-actions .text-button{padding:11px}.experience-bottom{bottom:15px}.instruction{margin-bottom:14px}#mode-note{margin-top:12px}.status{top:77px}}@media(prefers-reduced-motion:reduce){*,*:before,*:after{animation:none!important;scroll-behavior:auto!important}}.intro-secondary{display:flex;justify-content:space-between;gap:20px}.intro-secondary .text-button{white-space:nowrap}.view-controls{display:flex;justify-content:center;gap:8px;margin:12px 0 0}.view-controls button{font-size:10px;padding:5px 15px;border-radius:20px;background:#172019aa;border:1px solid var(--border)}body[data-form=symbols] .view-controls,body[data-form=transforming] .view-controls,body[data-scanning=true] .view-controls{display:none}body[data-form=vessel]:not([data-scanning=true]) #mode-note{display:none}.model-loading{position:absolute;z-index:6;top:70px;right:5vw;max-width:85%;font-size:11px;color:#e8c98a;background:#172019cc;padding:8px 12px;border-radius:8px}