:root{--ink:#202b40;--muted:#728099;--blue:#475fe6;--blue-dark:#3046bd;--line:#e4e8f1;--bg:#f6f7fb;--surface:#fff;--shadow:0 9px 30px rgba(41,54,84,.045)}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--ink);font:14px/1.48 -apple-system,BlinkMacSystemFont,"PingFang SC","Noto Sans SC","Microsoft YaHei",sans-serif}input,button,textarea,select{font:inherit}button,select{cursor:pointer}button{touch-action:manipulation}button:disabled{opacity:.43;cursor:not-allowed}a{color:#4657c7}.hidden{display:none!important}.topbar{background:#fff;border-bottom:1px solid var(--line);padding:13px max(18px,calc((100% - 1680px)/2));display:flex;align-items:center;justify-content:space-between;gap:14px}.brand{display:flex;align-items:center;gap:10px}.brand-icon{width:43px;height:43px;border-radius:13px;background:linear-gradient(135deg,#5158df,#39b8c8);display:grid;place-items:center;font-size:27px;color:#fff;font-weight:800}.brand 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#0001;flex-shrink:0}.paint-selected strong{font-size:14px}.paint-selected small{display:block;color:#7a8699;font-size:10px}.section-minor{display:flex;justify-content:space-between;font-size:12px;padding:13px 0 8px}.section-minor span{color:var(--muted)}.color-list{max-height:390px;overflow:auto;display:flex;flex-direction:column;gap:5px;scrollbar-width:thin}.color-row{display:flex;align-items:center;gap:7px;text-align:left;width:100%;border:1px solid #e7ebf3;background:#fff;border-radius:8px;padding:7px;font-size:12px}.color-row.active{background:#f1f4ff;border-color:#7687e5}.color-row span.swatch,.palette-cell i{width:19px;height:19px;border-radius:4px;border:1px solid #0002;display:inline-block;flex-shrink:0}.color-row .num{margin-left:auto;font-variant-numeric:tabular-nums;font-weight:700}.placeholder{font-size:11px;color:#8792a3}.palette-drawer{margin-top:13px;border-top:1px solid #e7eaf2}.palette-drawer summary{padding:12px 0 7px;cursor:pointer;font-size:12px;font-weight:800}.palette-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:5px;max-height:340px;overflow-y:auto;padding:8px 0}.palette-cell{display:flex;align-items:center;gap:4px;justify-content:flex-start;flex-wrap:wrap;border:1px solid #e6e9ef;background:#fff;border-radius:6px;padding:6px 4px;font-size:10px}.palette-cell.active{background:#edf1ff;border-color:#7b8af0}.palette-cell i{width:12px;height:12px}.quick-help{padding:15px}.quick-help h3{font-size:12px;margin:0}.quick-help p{font-size:11px;color:var(--muted);line-height:1.6}footer{max-width:1680px;padding:4px 20px 25px;margin:auto;color:#8793a7;font-size:10px;line-height:1.7;display:flex;gap:10px;flex-wrap:wrap}dialog{max-width:min(560px,calc(100vw - 30px));border:1px solid #e4e8f1;border-radius:16px;box-shadow:0 30px 90px #18223b40;padding:20px;color:var(--ink)}dialog::backdrop{background:#1f2e4a77}.modal-head{display:flex;justify-content:space-between;align-items:center}.modal-head h2{margin:0}.help-text{font-size:13px;line-height:1.7}#printRoot{display:none}
@media(max-width:1320px){.shell{grid-template-columns:300px minmax(0,1fr)}.color-column{grid-column:1/-1}.color-list{display:grid;grid-template-columns:repeat(3,1fr);max-height:220px}.palette-grid{grid-template-columns:repeat(8,minmax(0,1fr))}.topbar{padding:12px 18px}}
@media(max-width:820px){.shell{grid-template-columns:290px minmax(0,1fr);gap:11px;padding:11px}.settings,.workspace,.color-column{gap:11px}.editor,.remix,.export-panel{padding:12px}.editor-title h1{font-size:17px}.tool span{display:none}.tool{min-width:35px}.view-settings{gap:7px}.privacy{display:none}.stat strong{font-size:18px}.stat{padding:10px}.exports-grid{grid-template-columns:repeat(2,1fr)}.remix-body .field{min-width:110px}.canvas-frame{height:56vh}}
@media(max-width:650px){.mobile-nav{display:grid;grid-template-columns:repeat(3,1fr);gap:0;position:sticky;top:0;z-index:15;background:#fff;border-bottom:1px solid var(--line)}.mobile-nav a{text-decoration:none;text-align:center;padding:10px 3px;font-size:12px;font-weight:800;color:#495abd}.mobile-nav a:not(:last-child){border-right:1px solid #edf0f7}.shell{display:flex;flex-direction:column;padding:9px;gap:11px}.topbar{padding:10px 13px}.brand-icon{width:35px;height:35px;font-size:23px}.brand strong{font-size:17px}.brand small{font-size:10px}.top-actions{gap:6px}.top-actions .small-btn{font-size:11px;padding:7px}.settings,.workspace,.color-column{display:flex;flex-direction:column;gap:11px}.settings{display:contents}.settings>*{order:0}.upload-panel{padding:12px}.upload-panel .source-preview canvas{max-height:150px;object-fit:contain}.upload-zone{min-height:82px;margin-top:10px}.upload-zone .upload-icon{font-size:28px}.controls summary{padding:12px}.controls details:not([open]){min-height:auto}.sticky-generate{position:sticky;bottom:0;z-index:11;box-shadow:0 -8px 20px #f6f7fbcb;order:2}.sticky-generate .progress-note{font-size:10px}.workspace{order:3}.color-column{order:4}.stat-row{grid-template-columns:repeat(2,1fr)}.stat strong{font-size:22px}.tool span{display:none}.toolbar{gap:10px}.view-settings{width:100%;justify-content:flex-start}.canvas-frame{height:49vh;min-height:310px}.canvas-frame #canvasStage{padding:8px}.canvas-top{gap:5px}.zoom-buttons span{min-width:24px}.canvas-bottom #mobileHint{font-size:10px}.export-controls{gap:7px}.exports-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:6px}.exports-grid>*{padding:9px 5px;font-size:11px}.color-list{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));max-height:300px}.palette-grid{grid-template-columns:repeat(5,1fr)}footer{padding:10px 13px 75px}.remix-body{gap:6px}.remix-body .field{min-width:110px}.remix-body .swap-arrow{display:none}.remix-body button{flex:1}}
@media(min-width:651px){.sticky-generate{position:sticky;bottom:12px;z-index:4}.settings .controls{flex-shrink:0}}
@page{size:A4 portrait;margin:10mm}
@media print{html,body{background:white!important;font-family:Arial,"Microsoft YaHei",sans-serif!important;print-color-adjust:exact;-webkit-print-color-adjust:exact}body>*:not(#printRoot){display:none!important}#printRoot{display:block!important}.print-page{page-break-after:always;break-after:page;width:100%;overflow:hidden}.print-page:last-child{page-break-after:auto;break-after:auto}.print-head{display:flex;justify-content:space-between;gap:8mm;font-size:9pt;border-bottom:1px solid #999;padding-bottom:5px;margin-bottom:6mm}.print-page h2{font-size:17pt;margin:0 0 4mm}.print-page p{font-size:9pt;margin:3mm 0}.print-image{width:100%;max-height:232mm;object-fit:contain;display:block;margin:0 auto}.print-grid{display:grid;grid-template-columns:1fr 1fr;gap:6mm}.print-table{width:100%;border-collapse:collapse;font-size:8pt}.print-table th,.print-table td{border:1px solid #bbb;padding:3px 5px;text-align:left}.print-color{width:12px;height:12px;border:1px solid #999;display:inline-block;vertical-align:middle;margin-right:5px}.print-foot{font-size:8pt;color:#666;margin-top:5mm}}

.source-choices{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:7px;margin-top:9px}.source-choices .upload-btn:last-child{grid-column:1/-1}.source-choices .small-btn{font-size:12px;min-height:42px}.source-choices .small-btn input{font-size:0}.source-choices .small-btn:focus-within{outline:2px solid #6678d9;outline-offset:2px}#imageSaveDialog{max-width:min(480px,calc(100vw - 26px))}#imageSaveDialog img{-webkit-touch-callout:default;user-select:auto}@media(max-width:650px){.source-choices .small-btn{min-height:44px}}

.clarity-box{border:1px solid #dce5ff;background:#f7f9ff;border-radius:12px;padding:11px 10px;margin-top:12px}.clarity-head{display:flex;align-items:center;justify-content:space-between;gap:10px;font-size:12px}.clarity-head span{border-radius:16px;background:#e7edff;color:#4058c5;padding:4px 9px;font-size:11px;font-weight:800}.clarity-actions{display:grid;grid-template-columns:1fr 1fr;gap:7px;margin-top:9px}.clarity-actions>*{white-space:normal;line-height:1.4;min-height:41px}.clarity-note{font-size:10px;color:#738098;line-height:1.6;margin-top:8px}.upload-btn{user-select:none;-webkit-user-select:none}.upload-btn input{cursor:pointer}#canvasFrame{scrollbar-gutter:stable both-edges;touch-action:pan-x pan-y}#patternCanvas{touch-action:none}#printRoot .print-page{background:#fff}.source-preview canvas{touch-action:none}@media(max-width:650px){.brand strong{font-size:15px}.brand small{font-size:9px}.topbar{gap:6px}.top-actions .small-btn{padding:7px 6px}.canvas-frame{max-width:100%}.clarity-actions .small-btn{font-size:11px}}

.language-wrap{display:flex;gap:6px;align-items:center;white-space:nowrap;font-size:11px;color:#64728a;font-weight:750}.language-wrap select{border:1px solid #dce2ee;border-radius:8px;background:#fff;padding:8px;color:#3d4c70;font-weight:800;min-height:37px}.language-wrap select:focus{outline:2px solid #c4d0ff}@media(max-width:650px){.top-actions{gap:5px}.language-caption{display:none}.language-wrap select{padding:7px 4px;font-size:11px}.brand strong{max-width:205px}.top-actions #helpBtn{padding:7px 5px;font-size:10px}}

.verified-colors{display:flex;gap:5px;align-items:center;flex-wrap:wrap;border:1px solid #e6eafa;border-radius:8px;background:#f9fbff;padding:9px;margin-top:10px;font-size:10px;line-height:1.5;color:#59677e}.verified-colors .vtag{background:#e8f7ed;color:#238153;border-radius:5px;padding:2px 6px;font-weight:800}.verified-colors .v-swatch{display:inline-block;width:12px;height:12px;border:1px solid #0002;border-radius:3px;vertical-align:middle}.verified-colors small{color:#7c869c;font-size:10px}