:root{color-scheme:light;--paper:#f7f4ee;--ink:#302923;--muted:#7c716a;--line:#ded6cd;--wine:#7b3548;--blue:#3475b9;--serif:Georgia,'Times New Roman',serif;--sans:Arial,Helvetica,sans-serif}
*{box-sizing:border-box}body{margin:0;background:var(--paper);color:var(--ink);font:14px var(--sans);-webkit-font-smoothing:antialiased}button,input,a{-webkit-tap-highlight-color:transparent}button{font:inherit;color:inherit;border:0;background:transparent;cursor:pointer}button:disabled{opacity:.4;cursor:default}a{color:inherit;text-decoration:none}a:hover{text-decoration:underline;text-underline-offset:4px}button:focus-visible,input:focus-visible,a:focus-visible,canvas:focus-visible{outline:3px solid var(--wine);outline-offset:3px}[hidden]{display:none!important}.topbar,main,footer{max-width:1300px;margin:auto;padding-left:48px;padding-right:48px}.topbar{height:88px;display:flex;justify-content:space-between;align-items:center;border-bottom:1px solid var(--line)}.brand{display:flex;align-items:center;gap:9px;font:27px var(--serif);letter-spacing:-1px}.brand>span{color:var(--wine);font-size:35px}.brand small{font:9px var(--sans);letter-spacing:1.6px;margin:7px 0 0 10px}.topbar>a:last-child{font-size:12px;color:var(--muted)}.intro{display:flex;justify-content:space-between;align-items:end;gap:20px;padding:40px 0 30px}.eyebrow{font-size:9px;letter-spacing:1.7px;font-weight:600;color:var(--wine);margin:0 0 12px}h1{font:400 clamp(40px,5vw,62px)/1.1 var(--serif);letter-spacing:-2px;margin:0}em{font-weight:400;color:var(--wine)}.intro>p{font-size:12px;line-height:1.8;color:var(--muted);margin:0 0 3px}h2,h3,p,figure{margin:0}.section-heading,.panel-heading{display:flex;align-items:center;justify-content:space-between;gap:10px}.section-heading h2,.panel-heading h2{font-size:10px;color:var(--wine);font-weight:600;letter-spacing:1px;white-space:nowrap}.section-heading h2 span,.panel-heading h2 span{color:var(--ink);letter-spacing:0;font-size:13px;margin-left:8px}.section-heading>span{font-size:10px;color:var(--muted)}.references{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:14px;margin:16px 0 30px}.reference-card{display:grid;grid-template-columns:88px 1fr;text-align:left;padding:8px;gap:12px;align-items:center;border:1px solid var(--line);border-radius:5px;min-width:0;transition:background .15s,border-color .15s}.reference-card img{width:88px;height:88px;object-fit:cover;border-radius:3px}.reference-card strong{display:block;font-size:12px;margin:0 0 6px;font-weight:600}.reference-card small{display:block;font-size:10px;color:var(--muted);line-height:1.6}.reference-card[aria-pressed=true]{border-color:var(--wine);background:#f1e9e5}.reference-card:hover{background:#f1e9e5}.workspace{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:38px;align-items:start}.panel-heading{height:31px;margin-bottom:10px}.panel-heading button,.panel-heading>span{font-size:10px;color:var(--muted);padding:5px 0}.image-frame{position:relative;background:#ddd5cc;border-radius:4px;overflow:hidden;aspect-ratio:1}.image-frame canvas,.image-frame>img{display:block;width:100%;height:100%;object-fit:cover}.brush-frame canvas{touch-action:none;cursor:crosshair}.image-tag{position:absolute;left:15px;right:15px;top:15px;display:flex;justify-content:space-between;gap:10px;pointer-events:none}.image-tag span{padding:7px 9px;background:#fffdf3df;border-radius:3px;font-size:9px;letter-spacing:.5px}.image-tag span:last-child{background:#302923c2;color:#fff}.signature{position:absolute;bottom:15px;right:20px;font:italic 26px var(--serif);color:#fff;text-shadow:0 1px 6px #30292360}.hint{font-size:11px;line-height:1.7;color:var(--muted);margin:10px 0}.brush-toolbar{display:flex;align-items:center;gap:7px;margin:15px 0 12px}.brush-toolbar button,.quick-selections button{border:1px solid var(--line);padding:8px 11px;border-radius:4px;font-size:11px}.brush-toolbar button[aria-pressed=true]{color:var(--wine);border-color:var(--wine);background:#efe3e2}.brush-toolbar label{margin-left:auto;font-size:11px;color:var(--muted)}input[type=range]{accent-color:var(--wine);height:5px;min-width:0;cursor:pointer}.brush-toolbar input{width:95px}.brush-toolbar output{font-size:10px;width:20px;color:var(--muted)}.quick-selections{display:flex;gap:7px;align-items:center;flex-wrap:wrap}.quick-selections>span{font-size:10px;color:var(--muted);margin-right:3px}.quick-selections button{padding:6px 10px}.selection-actions{display:flex;align-items:center;justify-content:space-between;gap:12px;border-top:1px solid var(--line);margin-top:18px;padding-top:18px}.preview-toggle{display:flex;align-items:center;gap:6px;font-size:11px;color:var(--muted)}input[type=checkbox]{accent-color:var(--wine)}.primary{background:var(--wine);color:white;border-radius:4px;padding:12px 16px;font-size:12px}.primary span{margin-left:12px}.result-toolbar{display:flex;justify-content:space-between;padding:13px 0;border-bottom:1px solid var(--line)}.result-toolbar button{font-size:12px;padding:4px 0}.result-toolbar button[aria-pressed=true]{color:var(--wine);font-weight:600}.compare-slider{display:flex;gap:10px;align-items:center;padding:14px 0;border-bottom:1px solid var(--line)}.compare-slider label{font-size:10px;color:var(--muted);white-space:nowrap}.compare-slider input{flex:1}.compare-slider output{font-size:10px;color:var(--muted);width:30px;text-align:right}.layers-heading{display:flex;justify-content:space-between;align-items:center;padding:16px 0 12px}.layers-heading h3{font-size:12px}.layers-heading h3 span{margin-left:6px;font-size:10px;color:var(--muted);font-weight:400}.layers-heading button{font-size:10px;color:var(--muted);padding:6px}.layer{display:grid;grid-template-columns:38px minmax(0,1fr) auto;gap:10px;align-items:center;padding:10px 0;border-bottom:1px solid var(--line)}.layer>img{width:38px;height:44px;object-fit:cover;border-radius:3px}.layer-meta strong{display:block;font-size:11px;margin-bottom:6px}.layer-meta>div{display:flex;align-items:center;gap:8px}.layer-meta input{width:100%;max-width:165px}.layer-meta output{font-size:10px;color:var(--muted);min-width:28px}.layer-tools{display:flex;align-items:center;gap:2px}.layer-tools button{width:28px;height:34px;font-size:13px;color:var(--muted)}.layer-tools button:hover{color:var(--wine);background:#eee5e1;border-radius:3px}.layer.is-hidden{opacity:.5}.studio-bottom{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:16px 0}.studio-bottom p{font-size:10px;line-height:1.5;color:var(--muted)}.studio-bottom button{font-size:10px;color:var(--wine);white-space:nowrap}.demo-note{font-size:10px;color:var(--muted);line-height:1.7;margin:22px 0 38px;padding-left:10px;border-left:2px solid var(--wine)}.error{font-size:12px;color:var(--wine);margin-bottom:20px}.error button{text-decoration:underline}.about-demo{border-top:1px solid var(--line);padding:35px 0 40px;display:grid;grid-template-columns:1fr 1fr;gap:38px}.about-demo h2{font:400 34px/1.15 var(--serif);letter-spacing:-.7px}.about-demo p:not(.eyebrow){font-size:12px;color:var(--muted);line-height:1.9;margin-bottom:12px}.about-demo a{font-size:12px;color:var(--wine)}footer{border-top:1px solid var(--line);padding-top:22px;padding-bottom:26px;display:flex;justify-content:space-between;gap:10px;color:var(--muted);font-size:9px}footer span{font-size:8px;letter-spacing:1px}#brush-cursor{position:absolute;border:1px solid white;box-shadow:0 0 0 1px #3475b9;border-radius:50%;pointer-events:none;transform:translate(-50%,-50%)}dialog{width:min(960px,94vw);max-height:90vh;border:1px solid var(--line);border-radius:8px;background:var(--paper);color:var(--ink);padding:24px}dialog::backdrop{background:#211c18a0}.dialog-heading{display:flex;justify-content:space-between;align-items:center;gap:15px}.dialog-heading h2{font:26px var(--serif)}.dialog-heading button{font-size:28px;padding:0 6px}dialog>p{font-size:12px;color:var(--muted);line-height:1.7;margin-top:10px}.proof-images{display:grid;grid-template-columns:1fr 1fr;gap:18px;margin:18px 0}.proof-images img{display:block;width:100%;border-radius:4px}.proof-images figcaption{font-size:12px;text-align:center;margin-top:10px}.proof-footnote{font-size:10px!important}#mobile-preview{position:fixed;bottom:12px;right:12px;width:116px;padding:4px;border:1px solid var(--line);border-radius:6px;background:var(--paper);z-index:5;box-shadow:0 4px 22px #30292330}#mobile-preview canvas{display:block;width:100%;border-radius:3px}#mobile-preview span{display:block;font-size:10px;padding:5px}
@media(max-width:1100px){.topbar,main,footer{padding-left:28px;padding-right:28px}.reference-card{grid-template-columns:68px 1fr;gap:8px}.reference-card img{width:68px;height:80px}.reference-card strong{font-size:11px}.reference-card small{font-size:9px}.workspace{gap:26px}.brush-toolbar{gap:5px}.brush-toolbar input{width:65px}.brush-toolbar button{padding:7px 9px}.primary{padding:12px}.preview-toggle{font-size:10px}.layer-tools button{width:24px}.section-heading>span{font-size:9px}.intro>p{font-size:11px}}
@media(max-width:720px){.topbar,main,footer{padding-left:20px;padding-right:20px}.topbar{height:72px}.brand{font-size:25px}.brand small{font-size:8px;margin-left:4px;letter-spacing:1px}.topbar>a:last-child{font-size:10px}.intro{display:block;padding:28px 0 24px}.intro>p{font-size:12px;margin-top:14px;line-height:1.8}.intro>p br{display:none}h1{font-size:46px}.eyebrow{font-size:8px;letter-spacing:1.4px}.section-heading{align-items:start;gap:15px}.section-heading>span{text-align:right;font-size:9px;max-width:135px;line-height:1.6}.references{grid-template-columns:repeat(4,minmax(0,1fr));gap:7px;margin:14px 0 24px}.reference-card{display:block;padding:4px;border-radius:4px}.reference-card img{width:100%;height:auto;aspect-ratio:1;object-fit:cover}.reference-card strong{font-size:9px;margin:7px 0 2px;line-height:1.4}.reference-card small{display:none}.workspace{grid-template-columns:1fr;gap:24px}.panel-heading{margin-bottom:9px}.reference-panel{min-width:0}.brush-toolbar{gap:6px;flex-wrap:wrap}.brush-toolbar button{padding:9px 12px}.brush-toolbar input{width:70px;flex:1;max-width:100px}.brush-toolbar label{margin-left:auto}.quick-selections{gap:6px}.quick-selections button{padding:7px 9px}.quick-selections>span{font-size:9px}.selection-actions{gap:8px}.primary{font-size:11px;padding:12px}.preview-toggle{font-size:10px}.hint{font-size:10px}.image-tag{top:12px;left:12px;right:12px}.image-tag span{font-size:8px;padding:6px 8px}.layer-tools button{width:30px}.layer{gap:8px}.layer-meta input{max-width:120px}.about-demo{grid-template-columns:1fr;gap:20px;padding-top:28px}.about-demo h2{font-size:30px}.about-demo h2 br{display:none}.about-demo p:not(.eyebrow){font-size:11px}footer{flex-direction:column;gap:10px}.demo-note{margin:14px 0 28px}.proof-images{gap:10px}.dialog-heading h2{font-size:21px}dialog{padding:16px}.compare-slider label{font-size:9px}}
@media(min-width:721px){#mobile-preview{display:none!important}}
@media(max-width:360px){.topbar,main,footer{padding-left:14px;padding-right:14px}.brand small{display:none}.brush-toolbar button{padding:9px}.primary{font-size:10px}.primary span{margin-left:3px}}
@media(prefers-reduced-motion:reduce){*,*:before,*:after{scroll-behavior:auto!important;transition:none!important}}
/* Chinese studio and layer editing */
:root{--sans:Arial,'Noto Sans TC','PingFang TC','Microsoft JhengHei',sans-serif}body{line-height:1.6}.intro h1{font:500 clamp(26px,3.3vw,40px)/1.4 var(--sans);letter-spacing:0}.intro p{margin-top:10px;color:var(--muted);font-size:13px}.intro>button,.upload-trigger{font-size:12px;color:var(--wine);padding:8px 0}.brand small{letter-spacing:0;font-size:11px}.usage-help{border:1px solid var(--line);padding:14px 20px;border-radius:6px;margin-bottom:24px;font-size:13px}.usage-help ol{margin:0;padding-left:22px}.usage-help li{margin:7px 0}.sources{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:14px;margin:14px 0 26px}.source-card{display:flex;gap:14px;align-items:center;border:1px solid var(--line);border-radius:5px;padding:8px;text-align:left}.source-card img{width:76px;height:76px;object-fit:cover;border-radius:3px}.source-card[aria-pressed=true]{border-color:var(--wine);background:#f1e9e5}.section-heading{flex-wrap:wrap}.reference-filters{display:flex;gap:5px;margin-left:auto}.reference-filters button{padding:6px 10px;border-radius:4px;font-size:12px}.reference-filters [aria-pressed=true]{background:var(--wine);color:white}.references{grid-template-columns:repeat(3,minmax(0,1fr))}.reference-card small{font-size:11px}.reference-card strong{font-size:13px}.hint{font-size:12px}.panel-heading button{font-size:11px}.image-tag span{font-size:11px;letter-spacing:0}.layer-select{padding:0;display:block}.layer-select img{width:38px;height:44px;object-fit:cover;border-radius:3px}.layer-name{padding:0;text-align:left;font-size:12px;margin-bottom:6px}.layer.is-selected{background:#efe7e1;border-radius:4px;padding-left:6px;padding-right:6px}.layer-editor{background:#f0eae3;border:1px solid var(--line);border-radius:5px;padding:15px;margin-top:16px}.layer-editor h3{font-size:13px}.editor-grid{display:grid;grid-template-columns:105px 1fr;gap:14px;align-items:center}.editor-grid label{font-size:12px}.editor-grid output{float:right;color:var(--wine)}.whole-hue{padding:14px 0;border-bottom:1px solid var(--line)}.whole-hue label{display:flex;justify-content:space-between;font-size:12px}.whole-hue input{width:100%;margin-top:12px}.whole-hue .hint{margin:6px 0 0;font-size:11px}.photo-notes{border-top:1px solid var(--line);padding:22px 0 32px;font-size:12px;line-height:1.9;color:var(--muted)}.photo-notes summary{cursor:pointer;color:var(--ink);font-size:14px}.notes-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px;margin:20px 0}.notes-grid h3{font-size:13px;color:var(--ink)}.notes-grid ul{padding-left:20px}.site-footer{display:block;font-size:11px;line-height:1.9;padding-top:25px;padding-bottom:32px}.footer-top{display:flex;justify-content:space-between;gap:15px;color:var(--ink);margin-bottom:12px}.site-footer p+p{margin-top:8px}.site-footer a{text-decoration:underline}.file-picker{display:block;padding:15px;border:1px dashed var(--wine);margin-top:18px;font-size:13px}.file-picker input{display:block;margin-top:10px;max-width:100%}#upload-preview{display:grid;grid-template-columns:1fr 1fr;gap:20px;margin:20px 0}#uploaded-image{width:100%;max-height:420px;object-fit:contain}#upload-report{font-size:12px;line-height:1.9}#upload-report p{margin-top:10px}#upload-report strong{color:var(--wine)}.demo-note{font-size:11px}#status{font-size:12px}button{min-height:32px}
@media(max-width:900px){.source-card{display:block}.source-card img{width:100%;height:auto;aspect-ratio:1}.source-card span{display:block;text-align:center;font-size:12px;margin-top:6px}.reference-card{grid-template-columns:64px 1fr}.reference-card img{width:64px;height:76px}.workspace{gap:22px}}
@media(max-width:720px){.intro h1{font-size:28px}.intro>button{margin-top:12px}.intro p{font-size:12px}.sources{gap:7px}.source-card{padding:4px}.source-card span{font-size:11px}.references{grid-template-columns:repeat(3,minmax(0,1fr));gap:8px}.reference-card{display:block}.reference-card img{width:100%;height:auto;aspect-ratio:1}.reference-card strong{font-size:12px}.section-heading h2 span{font-size:13px}.reference-filters{order:3;width:100%;margin:0}.upload-trigger{font-size:11px}.notes-grid{grid-template-columns:1fr;gap:12px}.image-tag span{font-size:10px}.hint{font-size:12px}.panel-heading button{font-size:11px}.preview-toggle{font-size:12px}.primary{font-size:12px}.brush-toolbar button,.quick-selections button{font-size:12px}.layer-tools button{width:29px;min-height:36px}.layer-meta input{max-width:100px}.layer-name{font-size:11px}.site-footer{font-size:11px}#upload-preview{grid-template-columns:1fr}.brand small{display:none}.topbar>a:last-child{font-size:11px}.footer-top{display:block}.footer-top a{display:block;margin-top:6px}.compare-slider label{font-size:11px}}

.layer-editor-actions{display:flex;justify-content:flex-end;margin-top:14px}.layer-editor-actions button{padding:6px 12px;border:1px solid var(--line);border-radius:4px;font-size:12px}

.model-entry{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:14px 16px;margin-bottom:26px;border:1px solid var(--line);border-radius:5px;color:var(--wine);font-size:13px}.model-entry small{font-size:11px;color:var(--muted)}.upload-status-note a,.demo-note a{color:var(--wine);text-decoration:underline}@media(max-width:720px){.model-entry{display:block}.model-entry small{display:block;margin-top:5px}}