:root{--indigo:#14283f;--stage:#0e2034;--silver:#cbd2db;--silver-soft:#e3e8ee;--bg:#f5f7fa;--paper:#fff;--muted:#5a6778;--laser:#d9283b;--laser-deep:#b81f31;--font:"PingFang SC", "HarmonyOS Sans SC", "Microsoft YaHei UI", "Microsoft YaHei", "Noto Sans SC", "Source Han Sans SC", system-ui, -apple-system, "Segoe UI", sans-serif;--topbar-h:60px;--foot-h:42px;--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light}*,:before,:after{box-sizing:border-box}html,body{margin:0}body{background:var(--bg);color:var(--indigo);font-family:var(--font);-webkit-text-size-adjust:100%;font-size:15px;line-height:1.65}h1,h2,p{margin:0}h1{letter-spacing:.01em;font-size:20px;font-weight:700;line-height:1.2}h2{font-size:15px;font-weight:700}small,.small{font-size:13px}.muted{color:var(--muted)}.mono{font-variant-numeric:tabular-nums;letter-spacing:.04em}a{color:inherit}:focus-visible{outline:2px solid var(--indigo);outline-offset:2px}.center :focus-visible{outline-color:#fff}button,input,textarea{font:inherit}.app{grid-template-rows:auto 1fr auto;min-height:100dvh;display:grid}.topbar{min-height:var(--topbar-h);background:var(--paper);border-bottom:1px solid var(--silver);justify-content:space-between;align-items:center;gap:12px;padding:8px 20px;display:flex}.brand p{color:var(--muted);font-size:13px}.top-actions{flex-wrap:wrap;justify-content:flex-end;gap:8px;display:flex}.workspace{height:calc(100dvh - var(--topbar-h) - var(--foot-h));grid-template-columns:288px minmax(0,1fr) 328px;min-height:520px;display:grid}.side{background:var(--paper);overflow-y:auto}.side-left{border-right:1px solid var(--silver)}.side-right{border-left:1px solid var(--silver)}.tabs,.pane-layers,.mobile-only{display:none}.center{background:var(--stage);grid-template-rows:minmax(0,1fr) auto;min-width:0;min-height:0;display:grid}.stage{place-items:center;min-width:0;min-height:0;display:grid;position:relative;overflow:hidden}.stage-canvas{cursor:default;border-radius:0;max-width:100%;display:block}.stage-canvas:focus-visible{outline-offset:-3px}.stage[data-dropping]{outline:2px dashed var(--laser);outline-offset:-10px}.stage-empty{text-align:center;color:#cfd8e3;pointer-events:none;place-content:center;display:grid;position:absolute;inset:0}.stage-empty p{font-size:20px;font-weight:700}.stage-empty span{color:#9fb0c4;font-size:14px}.stage-drop{color:#fff;pointer-events:none;background:#0e2034b8;place-content:center;font-size:18px;font-weight:700;display:grid;position:absolute;inset:0}.center-bar{color:#cfd8e3;border-top:1px solid #ffffff14;flex-wrap:wrap;align-items:center;gap:8px 16px;padding:12px 20px 16px;display:flex}.seg{border:1px solid #ffffff4d;border-radius:999px;padding:2px;display:inline-flex}.seg button{color:#cfd8e3;cursor:pointer;background:0 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input{width:100%;color:var(--indigo);font-variant-numeric:tabular-nums;background:0 0;border:0;outline:0;padding:8px 0}.field-input em{color:var(--muted);font-size:12px;font-style:normal}.field-input:focus-within,.field.wide input:focus,.field.wide textarea:focus{border-color:var(--indigo);outline:0;box-shadow:0 0 0 2px #14283f26}.fields-reset,.fields .muted{grid-column:1/-1}.field.wide{margin-bottom:12px}.field.wide input,.field.wide textarea{border:1px solid var(--silver);width:100%;color:var(--indigo);resize:vertical;background:#fff;border-radius:6px;padding:8px 10px}.presets{flex-wrap:wrap;gap:6px;margin:12px 0;display:flex}.chip{border:1px solid var(--silver);color:var(--indigo);cursor:pointer;background:#fff;border-radius:999px;min-height:32px;padding:5px 12px;font-size:13px}.chip[aria-pressed=true]{background:var(--indigo);border-color:var(--indigo);color:#fff}.slider{gap:4px;margin:14px 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p{margin-bottom:12px}.dialog-actions{justify-content:flex-end;gap:10px;margin-top:16px;display:flex}.steps{margin:0;padding-left:22px}.steps li{margin-bottom:8px}.notice-inline,.error{border-left:3px solid var(--laser);background:#fff3f4;margin:8px 0;padding:8px 12px;font-size:14px}.toast{background:var(--indigo);color:#fff;z-index:30;border-radius:6px;max-width:min(92vw,520px);padding:10px 16px;font-size:14px;position:fixed;bottom:56px;left:50%;transform:translate(-50%)}.foot{min-height:var(--foot-h);color:var(--muted);border-top:1px solid var(--silver);background:var(--paper);flex-wrap:wrap;justify-content:space-between;align-items:center;gap:4px 16px;padding:8px 20px;font-size:12px;display:flex}@media (max-width:999px){.topbar{flex-wrap:nowrap;gap:8px;padding:8px 14px}.brand h1{white-space:nowrap;font-size:18px}.brand p{display:none}.top-actions{flex-wrap:nowrap;gap:6px}.top-actions .btn{white-space:nowrap;min-height:36px;padding:6px 10px;font-size:14px}.workspace{height:auto;min-height:0;display:block}.side-left{display:none}.center{z-index:5;grid-template-rows:auto auto;position:sticky;top:0}.stage{width:100%;height:min(100vw,44dvh)}.center-bar{gap:6px 12px;padding:6px 14px 8px}.center-bar .seg,.center-bar .hint.accent{display:none}.hint{font-size:12px;line-height:1.5}.mobile-only{display:block}.view-tag{color:#dfe6ee;pointer-events:none;background:#0006;border-radius:4px;padding:1px 8px;font-size:12px;position:absolute;top:10px;left:10px}.view-flip{min-height:36px;color:var(--indigo);cursor:pointer;background:#fff;border:0;border-radius:999px;padding:6px 14px;font-size:13px;font-weight:700;position:absolute;bottom:10px;right:10px;box-shadow:0 2px 8px #00000059}.side-right{border:0;overflow:visible}.tabs{border-bottom:1px solid var(--silver);background:var(--paper);display:flex}.tabs button{color:var(--muted);cursor:pointer;background:0 0;border:0;border-bottom:3px solid #0000;flex:1;min-height:46px;padding:12px 0;font-weight:600}.tabs button[aria-selected=true]{color:var(--indigo);border-bottom-color:var(--laser)}.tabs button i{vertical-align:1px;border:1.5px solid;border-radius:50%;place-items:center;width:20px;height:20px;margin-right:5px;font-size:12px;font-style:normal;line-height:1;display:inline-grid}.tabs button[aria-selected=true] i{background:var(--laser);border-color:var(--laser);color:#fff}.tabs button[data-done]{color:var(--indigo)}.tabs button[data-done] i{background:var(--indigo);border-color:var(--indigo);color:#fff}.sample-cta h2{margin-bottom:2px}.sample-cta .btn-block{margin-top:12px}.pane{display:none}.workspace[data-tab=layers] .pane-layers,.workspace[data-tab=tone] .pane-tone,.workspace[data-tab=checks] .pane-checks{display:block}.panel{padding:16px 14px 20px}.foot{padding:8px 14px}}@media (prefers-reduced-motion:reduce){*{transition:none!important;animation:none!important}}.landing{--gutter:max(clamp(16px, 4vw, 48px), calc((100% - 1160px) / 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minmax(0,1fr);align-items:center;gap:clamp(24px,5vw,72px);display:grid}.hero-copy h1{letter-spacing:.005em;font-size:clamp(34px,5.2vw,60px);font-weight:800;line-height:1.15}.hero-copy p{color:#c3cfdd;max-width:32em;margin-top:20px;font-size:clamp(16px,1.6vw,19px);line-height:1.85}.hero-actions{flex-wrap:wrap;align-items:center;gap:12px;margin-top:32px;display:flex}.hero-copy .hero-price{color:#dbe4ee;margin-top:18px;font-size:16px;line-height:1.6}.hero-disc{justify-self:center;width:min(100%,580px)}.hero-hint{text-align:center;color:#8ea0b6;margin-top:6px;font-size:13px}.showcase-disc canvas{display:block}.l-section{padding:clamp(44px, 6vw, 88px) var(--gutter)}.l-tint{background:var(--silver-soft)}.l-section h2{font-size:clamp(24px,3vw,32px);font-weight:800;line-height:1.25}.l-section h2.l-sub{margin-top:56px}.l-lead{max-width:44em;color:var(--muted);margin-top:10px;font-size:16px;line-height:1.8}.l-lead 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p{color:var(--muted);margin-top:6px;font-size:15px;line-height:1.7}.l-cta{flex-wrap:wrap;gap:12px;margin-top:36px;display:flex}.notes{gap:14px;max-width:760px;margin-top:24px;margin-bottom:0;padding:0;list-style:none;display:grid}.notes li{font-size:16px;line-height:1.8}.notes b{margin-right:.4em}.contact-block{flex-wrap:wrap;gap:20px 48px;margin-top:24px;margin-bottom:0;display:flex}.contact-item{align-items:flex-start;gap:16px;display:flex}.contact-qr{flex:none;line-height:0;display:block}.contact-qr[hidden]{display:none}.contact-item img{border:1px solid var(--silver);background:#fff;border-radius:6px;display:block}.contact-item img.contact-card{height:auto}.contact-tip{max-width:230px;margin-top:8px;line-height:1.6}.contact-label{color:var(--muted);font-size:14px;font-weight:700}.contact-value{align-items:center;gap:10px;font-size:20px;line-height:1.5;display:flex}.contact-todo{border:1px dashed var(--laser);color:var(--laser);border-radius:4px;padding:2px 10px;font-size:14px;font-weight:600;display:inline-block}.l-cta+.contact-todo{margin-top:14px}.dialog .contact-block{margin-top:12px}.l-foot{padding:18px var(--gutter);background:var(--paper);border-top:1px solid var(--silver);color:var(--muted);flex-wrap:wrap;justify-content:space-between;gap:4px 16px;font-size:12px;display:flex}.brand{align-items:center;gap:12px;display:flex}.back{min-height:36px;color:var(--muted);cursor:pointer;background:0 0;border:0;padding:6px 10px 6px 0;font-size:14px}.back:hover{color:var(--indigo)}@media (max-width:999px){.hero{grid-template-columns:minmax(0,1fr)}.hero-disc{width:min(100%,440px)}.gallery{grid-template-columns:repeat(2,minmax(0,1fr))}.process{grid-template-columns:repeat(2,minmax(0,1fr));gap:28px}.photos{grid-template-columns:repeat(2,minmax(0,1fr))}.topbar .brand h1{display:none}}@media (max-width:560px){.l-nav .l-link{display:none}.gallery{gap:24px 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