:root{--ink:#19251f;--muted:#64726a;--line:#dbe4dc;--paper:#fffdf8;--mist:#f1f6f0;--leaf:#1f6a4a;--leaf-dark:#155039;--lime:#d8f18f;--peach:#ffcfaa;--shadow:0 18px 48px #1f37291a}*{box-sizing:border-box}html{scroll-behavior:smooth}body{color:var(--ink);background:#f8faf6;margin:0;font-family:Arial,Microsoft YaHei,sans-serif}button,input,select{font:inherit}button{cursor:pointer}button:disabled{cursor:not-allowed;opacity:.48}.sr-only{clip:rect(0,0,0,0);white-space:nowrap;border:0;width:1px;height:1px;margin:-1px;padding:0;position:absolute;overflow:hidden}.topbar{-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);z-index:4;background:#fffdf8d6;border-bottom:1px solid #dbe4dce6;justify-content:space-between;align-items:center;height:74px;padding:0 max(24px,50vw - 700px);display:flex;position:sticky;top:0}.brand{color:var(--ink);letter-spacing:-.7px;align-items:center;gap:10px;font-size:19px;font-weight:800;text-decoration:none;display:flex}.brand b{color:var(--leaf)}.brand-mark{grid-template-columns:repeat(2,8px);gap:2px;display:grid;transform:rotate(10deg)}.brand-mark i{background:var(--leaf);border-radius:50%;width:8px;height:8px;display:block}.brand-mark i:nth-child(2){background:var(--lime)}.brand-mark i:nth-child(3){background:var(--peach)}.brand-mark i:nth-child(4){background:#78bdd2}.topbar-actions{align-items:center;gap:15px;display:flex}.local-badge{color:#397256;background:#e8f3e9;border-radius:999px;padding:7px 10px;font-size:12px;font-weight:700}.text-button{color:var(--muted);background:0 0;border:0;font-size:13px}.hero{text-align:center;max-width:1030px;margin:auto;padding:68px 24px 44px}.eyebrow{text-transform:uppercase;letter-spacing:1.6px;color:var(--leaf);margin:0 0 12px;font-size:11px;font-weight:800}.hero h1{letter-spacing:-3.5px;max-width:830px;margin:0 auto;font-size:clamp(38px,6vw,70px);line-height:1.02}.hero h1 em{color:var(--leaf);letter-spacing:-3px;font-family:Georgia,serif;font-weight:400}.hero-copy{max-width:690px;color:var(--muted);margin:22px auto 26px;font-size:16px;line-height:1.75}.steps{border:1px solid var(--line);color:#52615a;background:#fff;border-radius:999px;align-items:center;gap:22px;padding:11px 18px;font-size:13px;display:inline-flex}.steps span{align-items:center;gap:7px;display:flex}.steps b{background:var(--lime);color:#28462f;border-radius:50%;place-items:center;width:20px;height:20px;font-size:10px;display:inline-grid}.studio-shell{border:1px solid var(--line);width:min(1480px,100% - 48px);box-shadow:var(--shadow);background:#fff;border-radius:22px;grid-template-columns:300px minmax(0,1fr) 290px;margin:0 auto 32px;display:grid;overflow:hidden}.controls-panel,.details-panel{background:#fffdfa;padding:25px 20px}.controls-panel{border-right:1px solid var(--line)}.details-panel{border-left:1px solid var(--line)}.panel-heading{align-items:flex-start;gap:10px;margin-bottom:18px;display:flex}.step-number{background:var(--leaf);color:#fff;border-radius:50%;flex:none;place-items:center;width:26px;height:26px;font-size:12px;font-weight:800;display:grid}.panel-heading h2{letter-spacing:-.4px;margin:1px 0 4px;font-size:15px}.panel-heading p{color:var(--muted);margin:0;font-size:11px;line-height:1.35}.upload-zone{width:100%;min-height:164px;color:var(--ink);background:#f6faf5;border:1.5px dashed #a9c5b1;border-radius:14px;flex-direction:column;justify-content:center;align-items:center;gap:7px;padding:12px;display:flex;overflow:hidden}.upload-zone:hover{border-color:var(--leaf);background:#eff8ef}.upload-zone img{object-fit:cover;border-radius:8px;width:100%;height:100px;display:block}.upload-zone strong{text-overflow:ellipsis;white-space:nowrap;max-width:100%;font-size:12px;overflow:hidden}.upload-zone small{color:var(--muted);font-size:10px}.upload-icon{background:var(--lime);width:31px;height:31px;color:var(--leaf-dark);border-radius:50%;place-items:center;font-size:20px;display:grid}.sample-button{width:100%;color:var(--leaf);background:0 0;border:0;padding:11px 0 0;font-size:12px;font-weight:700}.divider{background:var(--line);height:1px;margin:20px 0}.field-label{color:#47564d;justify-content:space-between;margin:17px 0 8px;font-size:11px;font-weight:800;display:flex}.field-label span{color:var(--leaf);font-weight:500}.brand-switch{grid-template-columns:repeat(3,minmax(0,1fr));gap:5px;display:grid}.brand-switch button{border:1px solid var(--line);text-align:left;min-height:56px;color:var(--ink);background:#fff;border-radius:9px;padding:8px 7px}.brand-switch button.active{border-color:var(--leaf);box-shadow:inset 0 0 0 1px var(--leaf);background:#f3fbf4}.brand-switch b{font-size:11px;display:block}.brand-switch small{color:var(--muted);margin-top:3px;font-size:9px;line-height:1.25;display:block}.market-note{color:#59685d;background:#f4f8ef;border-left:2px solid #a9c999;margin:10px 0 0;padding:7px 8px;font-size:9.5px;line-height:1.5}.market-note b{color:#366348}.choice-row{flex-wrap:wrap;gap:5px;display:flex}.choice-row button,.ratio-row button{border:1px solid var(--line);color:#536158;background:#fff;border-radius:7px;min-width:34px;padding:6px 8px;font-size:11px}.choice-row button.active,.ratio-row button.active{background:var(--leaf);color:#fff;border-color:var(--leaf)}.ratio-row{grid-template-columns:repeat(2,1fr);gap:5px;display:grid}.range-pair{background:#f7faf5;border:1px solid #e0eadf;border-radius:8px;gap:7px;margin-top:12px;padding:8px;display:grid}.range-pair>b{color:#405647;font-size:10px}.range-pair p,.crop-help{color:var(--muted);margin:0;font-size:9.5px;line-height:1.45}.crop-help{background:#f7faf5;border-left:2px solid #d5e5d0;margin-top:10px;padding:7px 8px}.range-pair label{color:var(--muted);grid-template-columns:70px 1fr;align-items:center;gap:7px;font-size:10px;display:grid}.range-pair input{accent-color:var(--leaf);width:100%}.rotate-button{border:1px solid var(--line);color:#445249;background:#fff;border-radius:8px;justify-content:space-between;align-items:center;width:100%;margin-top:14px;padding:8px 10px;font-size:11px;display:flex}.rotate-button span{color:var(--leaf);font-weight:700}.generate-button{background:var(--leaf);color:#fff;border:0;border-radius:10px;width:100%;margin-top:16px;padding:13px 11px;font-size:13px;font-weight:800;box-shadow:0 6px 14px #1f6a4a33}.generate-button:hover:not(:disabled){background:var(--leaf-dark)}.notice{color:var(--muted);margin:12px 2px 0;font-size:10.5px;line-height:1.5}.workspace-panel{background:var(--mist);flex-direction:column;min-width:0;min-height:700px;padding:27px;display:flex}.empty-workspace{text-align:center;max-width:360px;margin:auto}.empty-grid{grid-template-columns:repeat(8,1fr);gap:4px;width:120px;margin:0 auto 24px;display:grid}.empty-grid i{aspect-ratio:1;background:#dce8dc;border-radius:3px}.empty-grid i:nth-child(7n){background:#c7e8cf}.empty-grid i:nth-child(5n){background:#f2dea5}.empty-workspace h2{letter-spacing:-.7px;margin:0 0 8px;font-size:21px}.empty-workspace p{color:var(--muted);margin:0 auto 14px;font-size:13px;line-height:1.65}.empty-workspace span{color:var(--leaf);font-size:11px;font-weight:700}.workspace-heading{justify-content:space-between;align-items:flex-start;gap:15px;margin-bottom:16px;display:flex}.workspace-heading .eyebrow{margin-bottom:5px}.workspace-heading h2{letter-spacing:-.7px;margin:0;font-size:20px}.workspace-heading h2 span{color:var(--muted);letter-spacing:0;font-size:13px;font-weight:400}.hover-readout{color:#536158;white-space:nowrap;background:#fff;border-radius:999px;align-self:center;min-width:130px;padding:7px 11px;font-size:10px}.hover-readout i{vertical-align:middle;border:1px solid #00000021;border-radius:50%;width:10px;height:10px;margin-right:4px;display:inline-block}.editor-toolbar{border:1px solid var(--line);background:#fff;border-radius:10px;flex-wrap:wrap;justify-content:space-between;align-items:center;gap:8px;margin-bottom:15px;padding:6px 7px;display:flex}.tool-group{flex-wrap:wrap;gap:4px;display:flex}.tool-group button,.zoom-control button{color:#56645b;background:0 0;border:0;border-radius:6px;padding:6px 7px;font-size:11px}.tool-group button.active{color:var(--leaf-dark);background:#dff0e1;font-weight:800}.zoom-control{border-left:1px solid var(--line);align-items:center;gap:4px;padding-left:7px;display:flex}.zoom-control span{text-align:center;min-width:34px;color:var(--muted);font-size:10px}.canvas-scroll{background:#fff;border:1px solid #d7e1d7;border-radius:12px;flex:1;justify-content:flex-start;align-items:flex-start;min-height:500px;padding:20px;display:flex;overflow:auto}.pattern-canvas{touch-action:none;cursor:crosshair;display:block;box-shadow:0 6px 20px #18221d21}.pattern-canvas.is-panning{cursor:grab}.pattern-canvas.is-panning:active{cursor:grabbing}.selected-color{border:1px solid var(--line);background:#fff;border-radius:9px;align-items:center;gap:9px;margin-bottom:15px;padding:8px;display:flex}.selected-color>i{border:1px solid #0000001f;border-radius:7px;width:32px;height:32px}.selected-color small{color:var(--muted);margin-bottom:3px;font-size:10px;display:block}.selected-color b{font-size:11px}.palette-picker{grid-template-columns:repeat(10,1fr);gap:4px;max-height:134px;padding:2px;display:grid;overflow:auto}.palette-picker button{aspect-ratio:1;border:1px solid #00000029;border-radius:4px;padding:0}.palette-picker button.active{outline:2px solid var(--leaf);outline-offset:1px}.stats-heading{justify-content:space-between;align-items:center;margin:18px 0 8px;font-size:11px;display:flex}.stats-heading span{color:var(--muted);font-size:10px}.stats-list{border-top:1px solid var(--line);border-bottom:1px solid var(--line);max-height:204px;overflow:auto}.stats-list>div{border-bottom:1px solid #eef2ed;grid-template-columns:14px 1fr auto;align-items:center;gap:7px;padding:7px 0;font-size:10px;display:grid}.stats-list>div:last-child{border-bottom:0}.stats-list i{border:1px solid #00000024;border-radius:3px;width:12px;height:12px;display:block}.stats-list span{text-overflow:ellipsis;white-space:nowrap;color:#5a665f;overflow:hidden}.stats-list span b{color:var(--ink)}.stats-list strong{font-size:11px}.export-box{background:#eff7ed;border-radius:10px;margin-top:17px;padding:12px}.export-box label{color:#506056;justify-content:space-between;align-items:center;font-size:11px;display:flex}.export-box select{border:1px solid var(--line);background:#fff;border-radius:6px;padding:4px 5px;font-size:11px}.export-button{background:var(--ink);color:#fff;border:0;border-radius:8px;width:100%;margin:11px 0 8px;padding:10px 7px;font-size:11px;font-weight:800}.export-box small{color:#68756d;font-size:9px;line-height:1.35;display:block}.details-empty{text-align:center;color:var(--muted);padding:75px 14px;font-size:12px;line-height:1.6}.details-empty span{color:#d1e7d3;margin-bottom:11px;font-size:30px;display:block}.trust-strip{color:#597060;flex-wrap:wrap;justify-content:center;gap:15px 30px;width:min(1060px,100% - 48px);margin:0 auto 45px;font-size:12px;display:flex}.trust-strip span{white-space:nowrap}.studio-shell{grid-template-columns:340px minmax(0,1fr) 300px}.controls-panel{padding:28px 23px}.controls-panel .panel-heading h2{letter-spacing:-.35px;font-size:17px}.controls-panel .panel-heading p{font-size:12px;line-height:1.45}.upload-zone{gap:9px;min-height:138px;padding:15px}.upload-zone.has-file{background:#f1f8f1;border-style:solid;border-color:#79aa84}.upload-zone.has-file .upload-icon{color:#27613c;background:#ccebd2;font-size:17px}.upload-zone strong{font-size:13px;font-weight:800}.upload-zone small{font-size:11px}.brand-switch{gap:7px}.brand-switch button{border-radius:11px;min-height:72px;padding:11px 9px;transition:border-color .16s,background .16s,transform .16s}.brand-switch button:hover{background:#f6fbf6;border-color:#78a885;transform:translateY(-1px)}.brand-switch b{letter-spacing:-.2px;font-size:13px}.brand-switch small{margin-top:5px;font-size:11px;line-height:1.35}.field-label{margin:19px 0 9px;font-size:12px}.market-note{border-left-width:3px;border-radius:0 10px 10px 0;margin-top:13px;padding:11px 12px;font-size:12px;line-height:1.65}.market-note b{margin-bottom:3px;font-size:13px;display:block}@media (max-width:1100px){.studio-shell{grid-template-columns:280px minmax(0,1fr)}.details-panel{border-left:0;border-top:1px solid var(--line);grid-column:1/-1;grid-template-columns:260px 1fr 1fr;gap:18px;display:grid}.details-panel .panel-heading,.details-panel .selected-color{margin:0}.details-panel .field-label,.details-panel .palette-picker,.details-panel .stats-heading,.details-panel .stats-list,.details-panel .export-box{grid-column:auto}.details-empty{padding:10px}.workspace-panel{min-height:630px}}@media (max-width:760px){.topbar{height:61px;padding:0 18px}.local-badge{display:none}.hero{padding:45px 19px 28px}.hero h1{letter-spacing:-2.2px}.hero h1 em{letter-spacing:-2px}.hero-copy{font-size:14px}.steps{gap:10px;padding:9px 12px;font-size:10px}.steps span{gap:4px}.steps b{width:16px;height:16px;font-size:8px}.studio-shell{border-radius:15px;flex-direction:column;width:calc(100% - 24px);display:flex}.controls-panel,.details-panel{border:0;padding:21px}.controls-panel{border-bottom:1px solid var(--line)}.workspace-panel{order:2;min-height:535px;padding:16px}.details-panel{border-top:1px solid var(--line);order:3;display:block}.details-panel .panel-heading{margin-bottom:16px}.details-panel .selected-color{margin-bottom:15px}.canvas-scroll{min-height:410px;padding:13px}.workspace-heading{flex-direction:column;align-items:stretch}.hover-readout{align-self:flex-start}.editor-toolbar{justify-content:flex-start}.zoom-control{margin-left:auto}.trust-strip{gap:9px 14px;margin-bottom:28px;font-size:10px}.topbar-actions .text-button{font-size:11px}}