:root{--ink:#252c28;--muted:#777c76;--paper:#f8f8f5;--line:#e5e7df;--accent:#63744f;--lime:#e8eddf;--font:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif}*{box-sizing:border-box}body{margin:0;background:var(--paper);color:var(--ink);font-family:var(--font);font-size:15px;line-height:1.6;-webkit-tap-highlight-color:transparent}a{color:inherit;text-decoration:none}button,input{font:inherit}button,a,input{touch-action:manipulation}button{color:inherit;cursor:pointer}button{border:0;background:none}svg{width:22px;height:22px;fill:none;stroke:currentColor;stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round;flex-shrink:0}button:focus-visible,a:focus-visible,input:focus-visible{outline:3px solid #839a69;outline-offset:4px}button:disabled{opacity:.4;cursor:default}img{display:block;width:100%;height:100%;object-fit:cover;background:#e5e8df}h1,h2,h3,p{margin:0}h1{font-size:clamp(32px,4vw,48px);font-weight:600;letter-spacing:-1.6px;line-height:1.35}h2{font-size:25px;letter-spacing:-.7px;line-height:1.4;font-weight:600}h3{font-size:18px;font-weight:600}p{line-height:1.8}.muted{color:var(--muted)}.small{font-size:12px}.eyebrow{font-size:10px;font-weight:600;letter-spacing:2.1px;line-height:1.4;color:var(--accent)}.header{height:96px;max-width:1184px;padding:0 32px;display:flex;align-items:center;justify-content:space-between;margin:auto;gap:20px}.wordmark{display:flex;gap:12px;align-items:center;font-size:17px;letter-spacing:1.7px;font-weight:650}.wordmark small{display:block;font-size:7px;letter-spacing:1.25px;margin-top:3px;color:var(--muted)}.brand-icon{width:33px;height:33px;display:grid;place-items:center;position:relative;border:1.7px solid 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img{transform:scale(1.04)}.scene-tile:after{content:"";position:absolute;inset:25% 0 0;background:linear-gradient(transparent,rgba(0,0,0,.65))}.scene-tile .scene-text{position:absolute;bottom:18px;left:18px;right:16px;z-index:1}.scene-text strong{display:block;font-size:18px;font-weight:500}.scene-text small{font-size:10px;opacity:.8;letter-spacing:1px}.scene-arrow{position:absolute;bottom:2px;right:0}.home-note{margin-top:35px;padding-top:20px;border-top:1px solid var(--line);display:flex;justify-content:space-between;gap:15px;color:var(--muted);font-size:11px}.bottom-nav{display:none}.page-head{margin:4px 0 30px}.page-head h1{font-size:34px;margin:10px 0}.page-head p{color:var(--muted);font-size:13px}.back{display:inline-flex;align-items:center;gap:7px;color:var(--muted);font-size:12px;margin-bottom:20px;padding:4px 0}.back svg{width:15px;height:15px}.input-layout{display:grid;grid-template-columns:1fr 1fr;gap:48px;max-width:1000px;margin:auto}.input-preview{position:relative;min-height:400px;height:490px;border-radius:9px;background:#edf0e8;overflow:hidden;border:1px solid var(--line)}.input-preview img{object-fit:contain;background:#e9ece4}.input-preview .empty-camera{height:100%;display:flex;align-items:center;justify-content:center;flex-direction:column;color:var(--muted);gap:15px}.empty-camera svg{width:45px;height:45px;stroke-width:1}.preview-label{position:absolute;bottom:15px;left:15px;background:#fffdf0ed;border-radius:4px;font-size:11px;padding:4px 10px}.input-info{padding:8px 0}.input-info .capture-actions{max-width:none;margin-top:21px}.input-info h2{margin:12px 0 10px}.input-info p{font-size:13px;color:var(--muted)}.scene-selector{border-top:1px solid 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svg{width:14px;height:14px}.reference-label{position:absolute;left:14px;top:14px;background:#ffffffed;font-size:10px;padding:5px 9px;border-radius:4px;z-index:2;pointer-events:none}.grid-overlay{position:absolute;inset:0;pointer-events:none;z-index:3;opacity:0}.grid-overlay.on{opacity:1}.grid-overlay:before,.grid-overlay:after{content:"";position:absolute;inset:33.333% 0;border-top:1px solid #ffffffbb;border-bottom:1px solid #ffffffbb;filter:drop-shadow(0 0 1px #000)}.grid-overlay:after{inset:0 33.333%;border:0;border-left:1px solid #ffffffbb;border-right:1px solid #ffffffbb}.ref-tools{display:flex;justify-content:space-between;align-items:center;gap:12px;margin:9px 0 0}.ref-tools a{font-size:10px;color:var(--muted)}.grid-toggle{font-size:11px;display:flex;align-items:center;gap:6px;color:var(--muted);padding:7px 0}.grid-toggle svg{width:15px;height:15px}.idea-copy{padding:6px 0}.idea-copy h2{font-size:28px;margin:13px 0 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var(--line);padding-top:18px}.library-toolbar{display:flex;align-items:center;justify-content:space-between;margin-bottom:23px;gap:24px}.search-box{display:flex;align-items:center;border-bottom:1px solid #b9c1b3;gap:9px;max-width:340px;width:100%;padding:9px 0}.search-box svg{width:18px;height:18px;color:var(--muted)}.search-box input{border:0;background:none;outline:none;width:100%;font-size:13px;min-height:28px;color:var(--ink)}.library-categories{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:25px}.library-categories .chip{font-size:12px;padding:7px 14px}.cards{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:30px 22px}.idea-card{min-width:0;position:relative}.card-photo{height:290px;position:relative;border-radius:6px;overflow:hidden}.card-open{display:block;padding:0;width:100%;height:100%;text-align:left}.card-photo img{transition:transform .35s;object-position:center}.card-photo:hover img{transform:scale(1.025)}.bookmark{position:absolute;top:12px;right:12px;width:36px;height:36px;background:#ffffffed;border-radius:50%;display:grid;place-items:center;z-index:2}.bookmark svg{width:17px;height:17px}.bookmark.is-saved{background:#e8eddf;color:#526a3c}.is-saved svg{fill:currentColor;stroke:currentColor}.card-copy{padding:12px 0}.card-copy small{color:var(--accent);font-size:10px;letter-spacing:.6px}.card-copy h3{font-size:16px;margin:4px 0}.card-copy p{font-size:12px;color:var(--muted);line-height:1.6}.count-note{font-size:11px;color:var(--muted);white-space:nowrap}.empty-state{text-align:center;padding:75px 15px}.empty-state svg{width:42px;height:42px;color:#95a187;margin-bottom:20px}.empty-state p{color:var(--muted);font-size:13px;margin:10px 0 22px}.saved-note{font-size:11px;color:var(--muted);border-top:1px solid var(--line);margin-top:32px;padding-top:16px}dialog{border:1px solid var(--line);border-radius:12px;padding:27px;background:var(--paper);color:var(--ink);max-width:560px;width:calc(100% - 32px);max-height:90dvh;overflow:auto}dialog::backdrop{background:#111b18a8;backdrop-filter:blur(5px)}.dialog-head{display:flex;align-items:center;justify-content:space-between;gap:16px;margin-bottom:20px}.dialog-head .icon-button{font-size:27px;flex-shrink:0}dialog h2{font-size:23px;margin-bottom:17px}dialog p{font-size:13px;color:#60665f}.about-item{padding:20px 0;border-top:1px solid var(--line);margin-top:20px}.about-item strong{font-size:14px}.about-item p{margin-top:8px}.about-item a{font-size:12px;color:var(--accent);display:inline-block;margin-top:10px}#photo-dialog{max-width:980px;width:calc(100% - 28px);padding:18px}#photo-dialog .dialog-head{margin-bottom:12px}#photo-dialog .dialog-head h2{font-size:16px;margin:0}#photo-dialog .enlarged{max-height:70dvh;object-fit:contain;background:#e5e8df;width:100%;border-radius:4px}#photo-dialog .photo-meta{margin-top:10px;display:flex;justify-content:space-between;gap:15px;font-size:11px;color:var(--muted)}#toast{position:fixed;bottom:35px;left:50%;transform:translate(-50%,15px);padding:11px 18px;border-radius:7px;background:#27332bef;color:white;font-size:13px;z-index:20;opacity:0;transition:opacity .18s,transform .18s;pointer-events:none;max-width:calc(100% - 32px);width:max-content}#toast.show{opacity:1;transform:translate(-50%,0)}.image-failure{display:flex;justify-content:center;align-items:center;height:100%;min-height:120px;flex-direction:column;padding:20px;color:var(--muted);font-size:12px;text-align:center;background:#eceee7}.image-failure button{margin-top:8px;text-decoration:underline}.input-hint{padding:14px 0 0;font-size:11px;color:var(--muted)}
@media(min-width:1500px){.hero-visual{height:450px}.hero{margin-top:24px}}
@media(max-width:900px){.header{padding:0 24px;height:82px}#app{padding:24px 24px 65px}.hero{gap:30px}.hero-visual{height:360px}.scenes{gap:12px}.scene-tile{height:195px}.idea-layout{gap:28px}.ref-frame{height:490px}.input-layout{gap:28px}.card-photo{height:250px}.desktop-nav{gap:20px}}
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@media(max-width:360px){.header{padding-left:18px;padding-right:18px}#app{padding-left:18px;padding-right:18px}.hero h1{font-size:30px}.scene-tile{height:160px}.card-photo{height:184px}.result-tab span{font-size:11px}.result-header h1{font-size:24px}.primary,.secondary{font-size:12px;padding:12px}.wordmark small{font-size:5.5px}}
@media(prefers-reduced-motion:reduce){*,*:before,*:after{transition:none!important;scroll-behavior:auto!important}}