.canvas-v2-native-skin{--bg-node:rgba(255,255,255,0.055);--bg-panel:rgba(11,11,14,0.96);--surface-panel:rgba(18,18,24,0.96);--surface-quote:rgba(20,20,26,0.96);--text-85:rgba(255,255,255,0.85);--text-strong:rgba(255,255,255,0.9);--text-on-icon-badge:#fff;--text-placeholder:rgba(255,255,255,0.28);--text-danger:#ff8a8a;--stroke-danger:rgba(239,68,68,0.35);--btn-danger-bg:rgba(239,68,68,0.14);--btn-danger-bg-hover:rgba(239,68,68,0.24);--fill-active:rgba(255,255,255,0.14);--fill-danger-soft:rgba(239,68,68,0.12);--fill-input-focus:rgba(255,255,255,0.08);--media-control-progress-fill:linear-gradient(90deg,var(--blue),var(--purple));--green-12:rgba(16,185,129,0.12);--green-15:rgba(16,185,129,0.15);--green-22:rgba(16,185,129,0.22);--red-35:rgba(239,68,68,0.35);--warning-text:#fcd34d;--warning-bg:rgba(245,158,11,0.12);--warning-bg-hover:rgba(245,158,11,0.2);--warning-border:rgba(245,158,11,0.28);--warning-border-hover:rgba(245,158,11,0.45);--warning-glow:rgba(245,158,11,0.22);--image-editor-toolbar-bg:rgba(18,18,24,0.96);--image-editor-toolbar-border:rgba(255,255,255,0.12);--image-editor-toolbar-shadow:0 16px 56px rgba(0,0,0,0.68);--image-editor-btn-text:rgba(255,255,255,0.72);--image-editor-btn-hover-bg:rgba(255,255,255,0.1);--image-editor-btn-hover-text:rgba(255,255,255,0.95);--image-editor-btn-active-bg:rgba(99,102,241,0.2);--image-editor-btn-active-border:rgba(99,102,241,0.45);--image-editor-btn-active-text:#fff;--image-editor-btn-active-shadow:0 0 0 1px rgba(99,102,241,0.18) inset;--image-editor-primary-bg:linear-gradient(135deg,var(--blue),var(--purple));--image-editor-primary-hover-bg:linear-gradient(135deg,#60a5fa,#a78bfa);--image-editor-primary-text:#fff;--image-editor-primary-hover-text:#fff;--image-editor-divider:rgba(255,255,255,0.12);--image-editor-control-bg:rgba(255,255,255,0.06);--image-editor-control-hover-bg:rgba(255,255,255,0.09);--image-editor-control-border:rgba(255,255,255,0.1);--image-editor-control-text:rgba(255,255,255,0.84);--image-editor-control-placeholder:rgba(255,255,255,0.32);--image-editor-submit-bg:var(--action-btn-bg);--image-editor-submit-hover-bg:var(--action-btn-hover-bg);--image-editor-submit-text:#fff;--image-editor-submit-hover-text:#fff;--image-editor-submit-border:rgba(255,255,255,0.14);--image-editor-submit-shadow:0 10px 28px var(--blue-30);--image-editor-submit-hover-shadow:0 12px 34px var(--blue-40);--image-editor-swatch-border:rgba(255,255,255,0.24);--image-editor-swatch-active-ring:rgba(255,255,255,0.84);--canvas-v2-bg:var(--bg);--canvas-v2-surface-node:var(--surface-node);--canvas-v2-stroke:var(--stroke-default);--canvas-v2-stroke-weak:var(--stroke-05);--canvas-v2-stroke-strong:var(--stroke-strong);--canvas-v2-fill-hover-strong:var(--fill-hover-strong);--canvas-v2-white-02:var(--white-02);--canvas-v2-white-04:var(--white-04);--canvas-v2-black-20:var(--black-20);--canvas-v2-black-45:var(--black-45);--canvas-v2-black-70:var(--black-70);--canvas-v2-text:var(--text-primary);--canvas-v2-text-muted:var(--text-muted);--canvas-v2-text-subtle:var(--text-subtle);--canvas-v2-blue:var(--blue);--canvas-v2-blue-10:var(--blue-10);--canvas-v2-blue-20:var(--blue-20);--canvas-v2-blue-border-strong:var(--blue-40);--canvas-v2-note-blue-text:#93c5fd;--canvas-v2-green-12:var(--green-12);--canvas-v2-green-22:var(--green-22);--canvas-v2-green-text:var(--green-text);--canvas-v2-red-15:var(--red-15);--canvas-v2-red-text:var(--red-text);--canvas-white:#ffffff;--surface-float:rgba(18,18,22,0.95);--white-14:rgba(255,255,255,0.14);--white-16:rgba(255,255,255,0.16);--white-25:rgba(255,255,255,0.25);--white-45:rgba(255,255,255,0.45);--white-72:rgba(255,255,255,0.72);--white-75:rgba(255,255,255,0.75);--white-76:rgba(255,255,255,0.76);--white-82:rgba(255,255,255,0.82);--black-18:rgba(0,0,0,0.18);--black-35:rgba(0,0,0,0.35);--black-40:rgba(0,0,0,0.4);--black-55:rgba(0,0,0,0.55);--blue-25:rgba(59,130,246,0.25);--blue-60:rgba(59,130,246,0.6);--blue-border-focus:rgba(59,130,246,0.9);--blue-glow-subtle:rgba(50,80,150,0.1);--green-60:rgba(16,185,129,0.6);--gold-60:rgba(245,158,11,0.6);--cyan-60:rgba(6,182,212,0.6);--purple-60:rgba(139,92,246,0.6);--red-40:rgba(239,68,68,0.4);--error-shadow:rgba(239,68,68,0.8);--error-text-dark:#ff1a1a;--indigo-08:rgba(99,102,241,0.08);--indigo-45:rgba(99,102,241,0.45);--indigo-80:rgba(99,102,241,0.8);--about-dialog-bg:rgba(22,22,32,0.95);--blur-mascot:16px;--shadow-fab:0 4px 20px rgba(99,102,241,0.55);--shadow-fab-hover:0 6px 28px rgba(99,102,241,0.75);--shadow-mascot:0 8px 32px var(--black-50),0 0 0 1px var(--indigo-12);--preset-menu-bg:var(--surface-node);--preset-menu-border:var(--stroke-default);--preset-menu-shadow:var(--shadow-toolbar);--preset-menu-blur:32px;--mascot-body:#ffffff;--mascot-stroke:#c7d2fe;--mascot-eye:#1e1e24;--mascot-cheek:#fbcfe8;--mascot-star:#fef08a;--mascot-glow-core:#ffffff;--mascot-glow-edge:#818cf8;--error-fill:#dc2626;--error-glow:rgba(239,68,68,0.5);--brand-gradient:linear-gradient(135deg,var(--indigo),var(--purple,#8b5cf6));--sidebar-btn-hover-bg:rgba(255,255,255,0.1);--sidebar-sep:rgba(255,255,255,0.1);--surface-multi-select-toolbar:rgba(20,20,26,0.86);--space-2:2px;--space-3:3px;--space-4:4px;--space-5:5px;--space-6:6px;--space-8:8px;--space-9:9px;--space-10:10px;--space-12:12px;--space-14:14px;--space-16:16px;--space-20:20px;--space-24:24px;--space-28:28px;--space-40:40px;--font-10:10px;--font-11:11px;--font-12:12px;--font-13:13px;--font-14:14px;--font-15:15px;--font-16:16px;--font-18:18px;--font-20:20px;--font-24:24px;--font-28:28px;--radius-6:6px;--radius-4:4px;--radius-7:7px;--radius-8:8px;--radius-9:9px;--radius-10:10px;--radius-12:12px;--radius-14:14px;--radius-16:16px;--radius-18:18px;--radius-20:20px;--radius-22:22px;--radius-40:40px;--radius-999:999px;--purple:#8b5cf6;--purple-15:rgba(139,92,246,0.15);--purple-30:rgba(139,92,246,0.3);--purple-text:#c4b5fd;--cyan:#06b6d4;--cyan-15:rgba(6,182,212,0.15);--cyan-30:rgba(6,182,212,0.3);--cyan-text:#67e8f9;--gold-text:#fcd34d;--action-btn-bg:linear-gradient(135deg,var(--blue),var(--purple));--action-btn-hover-bg:linear-gradient(135deg,#60a5fa,#a78bfa);--tooltip-bg:rgba(14,14,18,0.96);--tooltip-text:rgba(255,255,255,0.88);--tooltip-shadow:0 12px 34px rgba(0,0,0,0.55);--shadow-surface-strong:0 24px 70px rgba(0,0,0,0.7),0 0 0 1px rgba(255,255,255,0.04) inset;--pointer-cursor:default;--link-cursor:pointer;--text-cursor:text;--grab-cursor:grab;width:100%}.canvas-v2-native-skin#v2-wrap{position:relative;width:100%;height:calc(100vh - 92px);min-height:640px;overflow:hidden;cursor:var(--pointer-cursor);background-color:var(--bg);background-size:22px 22px;background-position:var(--bg-x,0) var(--bg-y,0)}.canvas-v2-native-skin#v2-wrap:before{content:"";position:absolute;inset:0;z-index:0;background:radial-gradient(ellipse 80% 60% at 50% 50%,var(--blue-10) 0,transparent 70%);pointer-events:none}.canvas-v2-native-skin .canvas-v2-native-editor{z-index:1}.canvas-v2-native-skin .header{height:var(--header-h);padding:0 24px 0 72px;background:transparent;border-bottom:none}.canvas-v2-native-skin .header-left,.canvas-v2-native-skin .header-right{display:flex;align-items:center;pointer-events:auto}.canvas-v2-native-skin .header-left{min-width:0;flex:1 1 auto;gap:var(--space-6)}.canvas-v2-native-skin .header-right{flex:0 0 auto;gap:var(--space-8)}.canvas-v2-native-skin .logo{flex:0 0 auto;gap:var(--space-10)}.canvas-v2-native-skin .logo .h-5,.canvas-v2-native-skin .logo svg{filter:drop-shadow(0 0 14px var(--indigo-35))}.canvas-v2-native-skin .logo-title{color:var(--text-strong);font-size:var(--font-18);font-weight:700;letter-spacing:0}.canvas-v2-native-skin .project-name{display:inline-flex;align-items:center;gap:4px;height:32px;max-width:240px;flex:0 1 auto;border-radius:7px;color:var(--white-78);font-size:15px;padding:0}.canvas-v2-native-skin #projectNameText{display:inline-flex;min-width:0;max-width:100%;align-items:center;gap:var(--space-4);overflow:hidden;border:none;border-radius:var(--radius-7);background:transparent;color:inherit;padding:var(--space-4) var(--space-8);font-size:var(--font-14);font-weight:500;text-overflow:ellipsis;white-space:nowrap}.canvas-v2-native-skin #projectNameText:hover{background:var(--white-06);color:var(--white)}.canvas-v2-native-skin #projectNameText .project-name-chevron{flex:0 0 auto;opacity:.55}.canvas-v2-native-skin .canvas-tabs-wrap{display:flex;min-width:0;flex:1 1 auto;align-items:center;gap:2px;margin-left:var(--space-8);pointer-events:auto}.canvas-v2-native-skin .canvas-tabs{display:flex;min-width:0;max-width:min(42vw,560px);align-items:center;gap:2px;overflow:hidden}.canvas-v2-native-skin .canvas-tab{display:inline-flex;min-width:0;max-width:168px;height:30px;flex:0 1 auto;align-items:center;gap:var(--space-6);border:none;border-radius:var(--radius-7);background:transparent;color:var(--text-secondary);padding:var(--space-4) var(--space-8);font-size:var(--font-15);font-weight:500;transition:background .15s,color .15s}.canvas-v2-native-skin .canvas-tab.active,.canvas-v2-native-skin .canvas-tab:hover{background:var(--white-08);color:var(--text-primary)}.canvas-v2-native-skin .canvas-tab-name{min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.canvas-v2-native-skin .canvas-tab-close{display:inline-flex;width:16px;height:16px;flex:0 0 auto;align-items:center;justify-content:center;border-radius:var(--radius-4);color:var(--white-40);font-size:14px;line-height:1;opacity:0;transition:background .15s,color .15s,opacity .15s}.canvas-v2-native-skin .canvas-tab.active .canvas-tab-close,.canvas-v2-native-skin .canvas-tab:hover .canvas-tab-close{opacity:1}.canvas-v2-native-skin .canvas-tab-close:hover{background:var(--white-10);color:var(--white)}.canvas-v2-native-skin .canvas-tab-add{display:inline-flex;width:24px;height:24px;flex:0 0 auto;align-items:center;justify-content:center;border:none;border-radius:var(--radius-6);background:transparent;color:var(--white-40);transition:background .15s,color .15s}.canvas-v2-native-skin .canvas-tab-add:hover{background:var(--white-08);color:var(--white)}.canvas-v2-native-skin .sidebar.sidebar-floating{top:72px;bottom:24px;left:12px;z-index:1000;width:52px;align-items:center;border-right:none;border-radius:26px;background:transparent;padding:0}.canvas-v2-native-skin .sidebar.sidebar-floating.sidebar-collapsed{bottom:24px}.canvas-v2-native-skin .sidebar-floating .sidebar-bottom,.canvas-v2-native-skin .sidebar-floating .sidebar-top{width:52px;align-items:center;gap:8px}.canvas-v2-native-skin .sidebar-floating .sidebar-flex-spacer{flex:1}.canvas-v2-native-skin .sidebar-floating .sidebar-btn-v3,.canvas-v2-native-skin .sidebar-floating .sidebar-logo-wrap{position:relative;display:flex;align-items:center;justify-content:center}.canvas-v2-native-skin .sidebar-floating .sidebar-btn-v3{width:40px;height:40px;border:none;border-radius:var(--radius-20);background:transparent;color:var(--text-secondary);cursor:pointer;transition:color .2s cubic-bezier(.25,.8,.25,1),background .2s cubic-bezier(.25,.8,.25,1),transform .2s}.canvas-v2-native-skin .sidebar-floating .sidebar-btn-v3.active,.canvas-v2-native-skin .sidebar-floating .sidebar-btn-v3:hover{background:var(--sidebar-btn-hover-bg);color:var(--text-strong)}.canvas-v2-native-skin .sidebar-floating .sidebar-collapse-btn{color:var(--text-secondary)}.canvas-v2-native-skin .sidebar-floating .sidebar-collapse-btn.active{background:transparent;color:var(--text-secondary)}.canvas-v2-native-skin .sidebar-floating .sidebar-collapse-btn.active:hover,.canvas-v2-native-skin .sidebar-floating .sidebar-collapse-btn:hover{background:var(--sidebar-btn-hover-bg);color:var(--text-strong)}.canvas-v2-native-skin .sidebar-floating .sidebar-btn-v3 .ico-hover,.canvas-v2-native-skin .sidebar-floating .sidebar-btn-v3 .ico-normal{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;transition:opacity .18s,transform .18s}.canvas-v2-native-skin .sidebar-floating .sidebar-btn-v3 .ico-hover{opacity:0;transform:rotate(-45deg) scale(.82)}.canvas-v2-native-skin .sidebar-floating .sidebar-btn-v3.active .ico-normal,.canvas-v2-native-skin .sidebar-floating .sidebar-btn-v3:hover .ico-normal{opacity:0;transform:rotate(45deg) scale(.82)}.canvas-v2-native-skin .sidebar-floating .sidebar-btn-v3.active .ico-hover,.canvas-v2-native-skin .sidebar-floating .sidebar-btn-v3:hover .ico-hover{opacity:1;transform:rotate(0deg) scale(1)}.canvas-v2-native-skin .sidebar-floating .add-btn-v3{margin-bottom:var(--space-6);background:#fff;color:#000}.canvas-v2-native-skin .sidebar-floating .add-btn-v3.active,.canvas-v2-native-skin .sidebar-floating .add-btn-v3:hover{background:#fff;color:#000;transform:scale(1.05)}.canvas-v2-native-skin .sidebar-floating .sidebar-sep-v3{width:20px;height:1px;margin:var(--space-4) 0;background:var(--sidebar-sep)}.canvas-v2-native-skin .sidebar-floating .avatar-wrap{position:relative;display:flex;width:100%;justify-content:center;margin-top:5px}.canvas-v2-native-skin .sidebar-floating .user-gear-plain{display:flex;width:var(--sidebar-settings-btn-size,var(--space-40,40px));height:var(--sidebar-settings-btn-size,var(--space-40,40px));align-items:center;justify-content:center;border:none;background:transparent;color:var(--text-secondary);cursor:pointer;font-family:inherit;font-size:var(--sidebar-settings-icon-size,var(--font-24));font-weight:500;line-height:1;margin:0;padding:0;transition:color .2s cubic-bezier(.25,.8,.25,1)}.canvas-v2-native-skin .sidebar-floating .user-gear-plain.active,.canvas-v2-native-skin .sidebar-floating .user-gear-plain:hover{color:var(--text-strong)}.canvas-v2-native-skin .sidebar-floating .avatar-menu{position:absolute;bottom:0;left:calc(100% + 4px);z-index:800;display:block;min-width:130px;padding:6px;border:1px solid var(--white-10);border-radius:10px;background:var(--surface-float);box-shadow:0 12px 36px var(--black-70);opacity:0;pointer-events:none;transform:translateX(-6px);transition:opacity .16s,transform .16s}.canvas-v2-native-skin .sidebar-floating .avatar-menu.open{opacity:1;pointer-events:auto;transform:translateX(0)}.canvas-v2-native-skin .sidebar-floating .avatar-menu-item{display:flex;width:100%;align-items:center;gap:9px;padding:8px 10px;border:none;border-radius:7px;background:transparent;color:var(--white-78);cursor:pointer;font-family:inherit;font-size:16px;text-align:left;transition:background .15s,color .15s}.canvas-v2-native-skin .sidebar-floating .avatar-menu-item:hover{background:var(--stroke-07);color:var(--text-primary)}.canvas-v2-native-skin .sidebar-floating .avatar-menu-sep{height:1px;margin:4px 8px;background:var(--stroke-08)}.canvas-v2-native-skin .task-center-btn{position:relative}.canvas-v2-native-skin .assets-btn.active,.canvas-v2-native-skin .workflows-btn.active{background:var(--white-12);color:var(--text-primary)}.canvas-v2-native-skin .task-center-badge{position:absolute;top:2px;right:2px;min-width:15px;height:15px;padding:0 var(--space-4);border-radius:999px;background:var(--red);color:var(--white);font-size:var(--font-11);font-weight:700;line-height:15px;text-align:center;box-shadow:0 0 0 1px var(--bg-panel)}.canvas-v2-native-skin .task-center-tooltip{position:absolute;left:calc(100% + 12px);top:50%;z-index:10050;display:flex;align-items:center;gap:var(--space-6);border:1px solid var(--stroke-default);border-radius:var(--radius-8);background:var(--tooltip-bg);color:var(--tooltip-text);padding:var(--space-6) var(--space-10);font-size:var(--font-13);font-weight:600;white-space:nowrap;opacity:0;box-shadow:var(--tooltip-shadow);transform:translateY(-50%) translateX(-4px);transition:opacity .16s,transform .16s;pointer-events:none}.canvas-v2-native-skin .task-center-tooltip-beta{border:1px solid var(--red-35);border-radius:var(--radius-999);background:var(--red-10);color:var(--red);padding:1px var(--space-6);font-size:10px;font-weight:800;line-height:1.2}.canvas-v2-native-skin .task-center-btn:hover:after{content:none}.canvas-v2-native-skin .task-center-btn:hover .task-center-tooltip{opacity:1;transform:translateY(-50%) translateX(0)}.canvas-v2-native-skin [data-tooltip-right]:hover:after{content:attr(data-tooltip-right);position:absolute;left:calc(100% + 12px);top:50%;z-index:9999;padding:6px 14px;border-radius:8px;background:var(--tooltip-bg);color:var(--tooltip-text);font-size:13px;font-weight:500;white-space:nowrap;box-shadow:var(--tooltip-shadow);transform:translateY(-50%);pointer-events:none}.canvas-v2-native-skin .sidebar-floating .task-center-btn[data-tooltip-right]:hover:after{content:none;display:none}.canvas-v2-native-skin .canvas-wrapper{inset:0;background-color:#050505;background-image:none;background-size:22px 22px;background-position:var(--bg-x,0) var(--bg-y,0);cursor:var(--grab-cursor)}.canvas-v2-native-skin .canvas-wrapper.has-grid-dots{background-image:radial-gradient(circle,rgba(185,185,185,.14) .72px,transparent 1.05px)}.canvas-v2-native-skin .canvas-wrapper:after{display:none}.canvas-v2-native-skin .canvas-wrapper.is-panning{cursor:grabbing}.canvas-v2-native-skin .canvas-wrapper.is-dragging #v2-canvas .node-card,.canvas-v2-native-skin .canvas-wrapper.is-panning #v2-canvas .node-card{box-shadow:none}.canvas-v2-native-skin .canvas-wrapper:before{display:none}.canvas-v2-native-skin #v2-canvas{position:absolute;left:0;top:0;width:1px;height:1px;transform-origin:0 0;will-change:transform}.canvas-v2-native-skin .connections-svg{z-index:5;width:var(--native-world-size,6000px);height:var(--native-world-size,6000px);pointer-events:none}.canvas-v2-native-skin #v2-edges{position:absolute;inset:0 auto auto 0;overflow:visible}.canvas-v2-native-skin .connection-group{cursor:pointer;pointer-events:auto}.canvas-v2-native-skin .connection-group.connection-draft{pointer-events:none}.canvas-v2-native-skin .connection-bg,.canvas-v2-native-skin .connection-endpoint,.canvas-v2-native-skin 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