.reactEasyCrop_Container{-webkit-user-select:none;user-select:none;touch-action:none;cursor:move;justify-content:center;align-items:center;display:flex;position:absolute;inset:0;overflow:hidden}.reactEasyCrop_Image,.reactEasyCrop_Video{will-change:transform;max-width:unset}.reactEasyCrop_Contain{max-width:100%;max-height:100%;margin:auto;position:absolute;inset:0}.reactEasyCrop_Cover_Horizontal{width:100%;height:auto}.reactEasyCrop_Cover_Vertical{width:auto;height:100%}.reactEasyCrop_CropArea{box-sizing:border-box;color:#00000080;border:1px solid #ffffff80;position:absolute;top:50%;left:50%;overflow:hidden;transform:translate(-50%,-50%);box-shadow:0 0 0 9999em}.reactEasyCrop_CropAreaRound{border-radius:50%}.reactEasyCrop_CropAreaGrid:before{content:" ";box-sizing:border-box;border:0;border-left:1px solid #ffffff80;border-right:1px solid #ffffff80;position:absolute;inset:0 33.33%}.reactEasyCrop_CropAreaGrid:after{content:" ";box-sizing:border-box;border:1px solid #ffffff80;border-left:0;border-right:0;position:absolute;inset:33.33% 0}.app-shell{width:min(1220px,100% - 32px);margin:0 auto;padding:24px 0 40px}.top-bar{justify-content:space-between;align-items:center;gap:20px;padding:12px 0 20px;display:flex}.eyebrow{color:var(--text-muted);margin:0 0 6px;font-size:13px}h1,h2,h3,p{margin:0}h1{color:var(--text);font-size:28px;line-height:1.25}h2{color:var(--text);font-size:18px;line-height:1.35}h3{color:var(--text-secondary);font-size:13px;line-height:1.35}.license-status{border:1px solid var(--border-strong);border-radius:var(--radius);min-height:38px;color:var(--text-secondary);background:var(--bg-panel);padding:8px 12px}.license-status.loading{cursor:wait;align-items:center;display:inline-flex}.license-status-menu{display:inline-flex;position:relative}.license-status.verified{color:var(--success);background:var(--success-soft);white-space:nowrap}.license-detail-popover{z-index:10;border:1px solid var(--border-strong);border-radius:var(--radius);background:var(--bg-elevated);width:260px;box-shadow:var(--shadow-lg);gap:12px;padding:12px;display:grid;position:absolute;top:calc(100% + 8px);right:0}.license-detail-popover dl{gap:9px;margin:0;display:grid}.license-detail-popover dl div{justify-content:space-between;gap:14px;display:flex}.license-detail-popover dt{color:var(--text-muted);font-size:13px}.license-detail-popover dd{color:var(--text);text-align:right;margin:0;font-size:13px;font-weight:700}.logout-button{border:1px solid var(--border-strong);border-radius:var(--radius);min-height:34px;color:var(--text-secondary);background:var(--bg-panel);padding:7px 10px}.license-modal-backdrop{z-index:20;background:#0000008c;place-items:center;padding:18px;display:grid;position:fixed;inset:0}.license-modal{border:1px solid var(--border-strong);border-radius:var(--radius);background:var(--bg-elevated);width:min(420px,100%);box-shadow:var(--shadow-lg);gap:16px;padding:18px;display:grid}.license-modal-header{justify-content:space-between;align-items:center;gap:12px;display:flex}.license-modal-header>div{align-items:center;gap:10px;display:flex}.license-modal-header svg{color:var(--primary)}.icon-button{border:1px solid var(--border-strong);border-radius:var(--radius);width:34px;height:34px;color:var(--text-secondary);background:var(--bg-panel);place-items:center;display:inline-grid}.license-field{gap:8px;display:grid}.license-field span{color:var(--text-secondary);font-size:13px;font-weight:700}.license-field input{border:1px solid var(--border-strong);border-radius:var(--radius);width:100%;height:44px;color:var(--text);letter-spacing:0;text-transform:uppercase;background:var(--bg-panel);padding:0 12px;font-size:18px}.license-field input:focus{border-color:var(--primary);outline:2px solid var(--primary-soft)}.license-error{border:1px solid var(--danger);border-radius:var(--radius);color:var(--danger);background:var(--danger-soft);align-items:center;gap:8px;padding:9px 11px;font-size:13px;display:flex}.license-submit{border:1px solid var(--primary-border);border-radius:var(--radius);color:#fff;background:var(--primary);justify-content:center;align-items:center;gap:8px;min-height:42px;padding:9px 12px;display:inline-flex}.license-submit:disabled{border-color:var(--border-strong);color:var(--text-muted);background:var(--bg-hover);cursor:wait}.beginner-workspace{grid-template-columns:minmax(0,1fr) 380px;align-items:start;gap:16px;display:grid}.primary-panel,.settings-panel{border:1px solid var(--border);border-radius:var(--radius);background:var(--bg-panel);box-shadow:var(--shadow)}.primary-panel{min-height:560px;padding:16px;position:relative}.settings-panel{gap:16px;padding:18px;display:grid}.upload-area{min-height:500px}.drop-zone{border:1px dashed var(--border-strong);border-radius:var(--radius);min-height:500px;color:var(--text-on-canvas-secondary);text-align:center;background:var(--canvas-bg);cursor:pointer;place-items:center;display:grid}.drop-zone input{opacity:0;width:1px;height:1px;position:absolute}.drop-zone svg{color:var(--primary)}.drop-zone strong{color:var(--text-on-canvas);margin-top:14px;font-size:18px;display:block}.drop-zone span{margin-top:8px;font-size:14px;display:block}.drop-zone.dragging{border-color:var(--primary);background:var(--primary-soft)}.drop-zone.busy{cursor:wait;opacity:.62}.source-preview,.project-preview{min-height:500px}.source-preview{place-items:center;display:grid}.project-preview{grid-template-rows:auto minmax(0,1fr);gap:12px;display:grid}.image-preview{border:1px solid var(--border-canvas);border-radius:var(--radius);background:var(--canvas-bg);place-items:center;gap:14px;width:100%;min-height:500px;display:grid;overflow:hidden}.image-preview img{object-fit:contain;max-width:100%;max-height:500px}.source-reference{border:1px solid var(--border);border-radius:var(--radius);background:var(--bg-elevated);align-items:center;gap:10px;min-width:0;padding:8px 10px;display:flex}.source-reference img{border-radius:var(--radius-sm);object-fit:cover;flex:none;width:46px;height:46px}.source-reference span{color:var(--text-secondary);font-size:13px}.chart-preview{border:1px solid var(--border-canvas);border-radius:var(--radius);background:var(--canvas-bg);grid-template-rows:auto minmax(0,1fr);min-height:438px;display:grid;overflow:hidden}.chart-toolbar{border-bottom:1px solid var(--border-canvas);background:var(--canvas-panel);justify-content:space-between;align-items:center;gap:12px;padding:10px 12px;display:flex}.chart-toolbar strong,.chart-toolbar span{display:block}.chart-toolbar strong{color:var(--text-on-canvas);font-size:14px}.chart-toolbar span{color:var(--text-on-canvas-secondary);margin-top:3px;font-size:12px}.canvas-tools{gap:6px;display:inline-flex}.canvas-tools button{border:1px solid var(--border-canvas);border-radius:var(--radius);width:34px;height:34px;color:var(--text-on-canvas-secondary);background:var(--canvas-panel);place-items:center;display:inline-grid}.canvas-tools .label-toggle{white-space:nowrap;gap:5px;width:auto;padding:0 10px;display:inline-flex}.canvas-tools .label-toggle.selected{border-color:var(--primary-border);color:var(--primary);background:var(--primary-soft)}.chart-viewport{cursor:grab;overscroll-behavior-y:auto;min-height:0;overflow:auto}.chart-viewport:active{cursor:grabbing}.preview-canvas{image-rendering:pixelated;margin:16px auto;display:block}.empty-result{color:var(--text-on-canvas-secondary);place-items:center;gap:10px;font-size:14px;display:grid}.empty-result svg{color:var(--primary)}.loading-overlay{z-index:2;border-radius:var(--radius);-webkit-backdrop-filter:blur(2px);backdrop-filter:blur(2px);background:#16171bb8;place-items:center;display:grid;position:absolute;inset:16px}.loading-card{border:1px solid var(--border-strong);border-radius:var(--radius);width:min(260px,100% - 32px);color:var(--text-secondary);text-align:center;background:var(--bg-elevated);box-shadow:var(--shadow-lg);place-items:center;gap:8px;padding:18px;display:grid}.loading-card svg{color:var(--primary)}.loading-symbol{border:1px solid var(--border-strong);border-radius:var(--radius);background:var(--bg-panel);padding:6px}.loading-card strong{color:var(--text);font-size:16px}.loading-card span{font-size:13px}.inline-alert{border:1px solid var(--danger);border-radius:var(--radius);color:var(--danger);background:var(--danger-soft);align-items:center;gap:8px;margin-top:12px;padding:10px 12px;font-size:14px;display:flex}.panel-heading p{color:var(--text-muted);word-break:break-all;margin-top:4px;font-size:13px}.field-group{gap:8px;display:grid}.brand-grid,.segmented-control{flex-wrap:wrap;gap:8px;display:flex}.brand-grid button,.segmented-control button,.secondary-action,.primary-action{border:1px solid var(--border-strong);border-radius:var(--radius);min-height:36px;color:var(--text-secondary);background:var(--bg-elevated);padding:8px 11px}.brand-grid button.selected,.segmented-control button.selected{border-color:var(--primary-border);color:var(--primary);background:var(--primary-soft)}.recommendation-box{border:1px solid var(--success);border-radius:var(--radius);background:var(--success-soft);padding:12px}.recommendation-title{color:var(--success);align-items:center;gap:8px;display:flex}.recommendation-box p{color:var(--text-secondary);margin-top:8px;font-size:13px;line-height:1.55}.action-row{gap:10px;display:flex}.secondary-action,.primary-action{justify-content:center;align-items:center;gap:8px;display:inline-flex}.secondary-action{flex:none}.primary-action{border-color:var(--primary-border);color:#fff;background:var(--primary);flex:1}.primary-action:disabled{border-color:var(--border-strong);color:var(--text-muted);background:var(--bg-hover);cursor:not-allowed}.download-action{border:1px solid var(--success);border-radius:var(--radius);color:#0f172a;background:var(--success);justify-content:center;align-items:center;gap:8px;min-height:40px;padding:9px 12px;display:inline-flex}.download-action:disabled{border-color:var(--border-strong);color:var(--text-muted);background:var(--bg-hover);cursor:wait}.spin{animation:.8s linear infinite spin}.result-stats{border-top:1px solid var(--border);padding-top:16px}.result-stats dl{grid-template-columns:repeat(2,minmax(0,1fr));gap:10px;margin:12px 0 0;display:grid}.result-stats dt{color:var(--text-muted);font-size:12px}.result-stats dd{color:var(--text);margin:4px 0 0;font-size:18px;font-weight:700}.used-color-list{flex-wrap:wrap;gap:8px;margin-top:14px;display:flex}.used-color-list span{border:1px solid var(--border);border-radius:var(--radius);color:var(--text-secondary);background:var(--bg-elevated);align-items:center;gap:6px;padding:6px 8px;font-size:12px;display:inline-flex}.used-color-list i{border:1px solid var(--border-strong);border-radius:var(--radius-sm);width:14px;height:14px}.result-note{color:var(--text-muted);margin-top:12px;font-size:12px;line-height:1.5}@keyframes spin{to{transform:rotate(360deg)}}@media (width<=900px){.beginner-workspace,.project-preview{grid-template-columns:1fr}.primary-panel,.upload-area,.drop-zone,.source-preview,.image-preview,.project-preview{min-height:320px}.chart-preview{height:clamp(360px,60svh,520px);min-height:0}}@media (width<=760px){.app-shell{width:min(100% - 24px,1220px);padding-top:18px}.top-bar{display:grid}.license-status,.license-status-menu,.license-status.verified{width:100%}.license-detail-popover{width:min(100%,320px);left:0;right:auto}}.showcase-section{gap:32px;margin-top:40px;display:grid}.showcase-block h2{font-size:20px}.showcase-intro{color:var(--text-secondary);margin-top:8px;font-size:14px;line-height:1.6}.showcase-grid{grid-template-columns:1fr;gap:16px;width:100%;max-width:960px;margin-top:16px;display:grid}.showcase-card{border:1px solid var(--border);border-radius:var(--radius);background:var(--bg-panel);box-shadow:var(--shadow);margin:0;padding:14px}.showcase-images{grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;display:grid}.showcase-image{text-align:center;gap:6px;display:grid}.showcase-image img{aspect-ratio:2;object-fit:contain;border-radius:var(--radius-sm);background:var(--canvas-bg);width:100%}.showcase-image span{color:var(--text-muted);font-size:12px}.showcase-card figcaption{color:var(--text);text-align:center;margin-top:10px;font-size:14px;font-weight:700}.tutorial-video{aspect-ratio:16/9;border:1px solid var(--border);border-radius:var(--radius);object-fit:contain;background:#000;width:100%;max-width:960px;margin:16px auto 0;display:block}.feature-grid{grid-template-columns:repeat(3,minmax(0,1fr));gap:12px;margin-top:16px;display:grid}.feature-card{border:1px solid var(--border);border-radius:var(--radius);background:var(--bg-panel);gap:8px;padding:14px;display:grid}.feature-card svg{color:var(--primary)}.feature-card strong{color:var(--text);font-size:14px}.feature-card span{color:var(--text-secondary);font-size:13px;line-height:1.55}.site-footer{border-top:1px solid var(--border);color:var(--text-muted);text-align:center;gap:6px;padding:24px 0 8px;font-size:13px;display:grid}@media (width<=900px){.feature-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}@media (width<=760px){.showcase-grid,.showcase-images,.feature-grid{grid-template-columns:1fr}}.hidden-file-input{opacity:0;pointer-events:none;width:1px;height:1px;position:absolute}.crop-dialog-overlay{z-index:30;-webkit-backdrop-filter:blur(2px);backdrop-filter:blur(2px);background:#08090cb8;place-items:center;display:grid;position:fixed;inset:0}.crop-dialog{border:1px solid var(--border-strong);border-radius:var(--radius-lg);background:var(--bg-panel);width:min(620px,100% - 32px);box-shadow:var(--shadow-lg);gap:14px;padding:16px;display:grid}.crop-dialog-header{justify-content:space-between;align-items:center;gap:12px;display:flex}.crop-dialog-header h3{margin:0;font-size:16px}.crop-close-button{border:1px solid var(--border-strong);border-radius:var(--radius);width:32px;height:32px;color:var(--text-secondary);background:var(--bg-elevated);justify-content:center;align-items:center;display:inline-flex}.crop-dialog-body{border-radius:var(--radius);background:#17181c;height:min(52vh,420px);min-height:260px;position:relative;overflow:hidden}.crop-dialog-zoom{color:var(--text-muted);align-items:center;gap:10px;display:flex}.crop-dialog-zoom input[type=range]{min-width:0;accent-color:var(--primary);flex:1}.crop-reset-button{border:1px solid var(--border-strong);border-radius:var(--radius);min-height:34px;color:var(--text-secondary);background:var(--bg-elevated);align-items:center;gap:6px;padding:7px 11px;display:inline-flex}.crop-dialog-actions{gap:10px;display:flex}.crop-dialog-actions .secondary-action{flex:1}.crop-dialog-actions .primary-action{flex:1.4}.crop-range-preview{border:1px solid var(--border-canvas);border-radius:var(--radius);background:var(--canvas-bg);width:min(100%,480px);max-height:480px;position:relative;overflow:hidden}.source-actions{flex-wrap:wrap;align-items:center;gap:8px;display:flex}.source-status{color:var(--text-muted);font-size:13px}.source-actions .secondary-action{min-height:32px;padding:6px 10px;font-size:13px}.reference-action{border:1px solid var(--border-strong);border-radius:var(--radius-sm);min-height:30px;color:var(--text-secondary);background:var(--bg-elevated);flex:none;padding:5px 9px;font-size:12px}@media (width<=520px){.crop-dialog{border-radius:var(--radius);padding:12px}.crop-dialog-body{height:min(48vh,360px);min-height:220px}.crop-dialog-actions .secondary-action,.crop-dialog-actions .primary-action{padding:8px;font-size:13px}}.background-toggle-row{justify-content:space-between;align-items:center;gap:12px;display:flex}.background-toggle-text{gap:4px;min-width:0;display:grid}.background-toggle-text h3{margin:0;font-size:14px}.background-toggle-text span{color:var(--text-muted);font-size:12px;line-height:1.5}.switch{border:1px solid var(--border-strong);background:var(--bg-elevated);cursor:pointer;border-radius:999px;flex:none;width:44px;height:24px;padding:0;position:relative}.switch-thumb{background:var(--text-muted);border-radius:50%;width:18px;height:18px;transition:left .15s;position:absolute;top:2px;left:2px}.switch.on{border-color:var(--primary-border);background:var(--primary-soft)}.switch.on .switch-thumb{background:var(--primary);left:22px}.background-suggestion{color:var(--success);font-size:13px}.background-note{color:var(--text-muted);font-size:12px}.custom-width-input-row{align-items:center;gap:8px;display:flex}.width-step-button{border:1px solid var(--border-strong);border-radius:var(--radius);width:36px;height:36px;color:var(--text-secondary);background:var(--bg-elevated);flex:none;font-size:18px;line-height:1}.custom-width-input{border:1px solid var(--border-strong);border-radius:var(--radius);min-width:0;height:36px;color:var(--text);background:var(--bg-elevated);flex:1;padding:0 10px;font-size:15px}.custom-width-dims{color:var(--text-secondary);font-size:13px}.custom-width-error{color:var(--danger);font-size:13px}.low-size-warning{color:var(--warning);font-size:13px}.stale-result-notice{border-radius:var(--radius);color:var(--warning);background:var(--warning-soft);border:1px solid #fbbf2466;align-items:center;gap:8px;padding:10px 12px;font-size:13px;display:flex}.source-thumb-crop{border-radius:var(--radius-sm);background:var(--canvas-bg);flex:none;width:46px;height:46px;display:inline-block;position:relative;overflow:hidden}:root{--bg:#16171b;--bg-elevated:#1e2025;--bg-panel:#232529;--bg-hover:#2b2e34;--canvas-bg:#f5f5f6;--canvas-panel:#fff;--border:#34373e;--border-strong:#454952;--border-canvas:#d7dbe1;--text:#e8eaed;--text-secondary:#a6abb3;--text-muted:#757b84;--text-on-canvas:#1f2329;--text-on-canvas-secondary:#6b7280;--primary:#4d8dff;--primary-strong:#6ba3ff;--primary-soft:#4d8dff29;--primary-border:#3b6fd8;--success:#4ade80;--success-soft:#4ade8024;--danger:#f87171;--danger-soft:#f871711f;--warning:#fbbf24;--warning-soft:#fbbf241f;--radius:8px;--radius-sm:6px;--shadow:0 1px 3px #00000059;--shadow-lg:0 18px 45px #00000073}*{box-sizing:border-box}body{min-width:320px;min-height:100vh;color:var(--text);background:var(--bg);margin:0;font-family:Inter,Microsoft YaHei,PingFang SC,system-ui,-apple-system,sans-serif}button,input,select{font:inherit}button{cursor:pointer}#root{min-height:100vh}