:root{--bg:#fff;--surface:#fff;--panel:#fafbf9;--text:#273d36;--muted:#829089;--border:#e4eae5;--accent:#426f56;--soft:#edf3eb;--shadow:0 6px 28px #263e3510;--canvas:#fff;--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Noto Sans TC,sans-serif}*{box-sizing:border-box}body{background:var(--bg);color:var(--text);margin:0;font-size:14px;overflow:hidden}body.dark{--bg:#000;--canvas:#000;--surface:#171d19;--panel:#0c100d;--text:#e3ece4;--muted:#92a396;--border:#303c32;--accent:#a9cfaa;--soft:#27372a;--shadow:0 6px 28px #0005;--lightningcss-light: ;--lightningcss-dark:initial;color-scheme:dark}button,input,textarea,select{font:inherit}button{cursor:pointer;color:var(--text);white-space:nowrap;background:0 0;border:1px solid #0000;border-radius:8px;padding:8px 11px}button:hover{background:var(--soft)}button:disabled{opacity:.3;cursor:default}button:focus-visible,input:focus-visible,textarea:focus-visible,select:focus-visible{outline:2px solid var(--accent);outline-offset:2px}.primary{background:var(--text);color:var(--bg);padding:10px 16px}.primary:hover{background:var(--accent);color:var(--bg)}input,textarea,select{color:var(--text);background:var(--surface);border:1px solid var(--border);border-radius:8px;width:100%;padding:10px}textarea{resize:vertical;min-height:86px;line-height:1.6}.topbar{border-bottom:1px solid var(--border);background:var(--surface);z-index:5;align-items:center;gap:24px;height:76px;padding:0 25px;display:flex;position:relative}.brand{color:var(--text);letter-spacing:2px;align-items:center;gap:10px;min-width:187px;font-size:21px;font-weight:650;text-decoration:none;display:flex}.brand small{letter-spacing:2.1px;margin-top:2px;font-size:8px;font-weight:500;display:block}.brand-icon{color:var(--accent);font-size:42px;font-weight:300}.document{flex-direction:column;flex:1;align-items:flex-start;gap:4px;min-width:0;display:flex}.document input{background:0 0;border:0;width:min(100%,400px);padding:0;font-size:14px;font-weight:600}.document span{color:var(--muted);font-size:10px}.header-actions{align-items:center;gap:8px;display:flex}.header-actions .primary span{margin-left:16px}.workspace{height:calc(100dvh - 76px);display:flex}#sidebar{border-right:1px solid var(--border);background:var(--panel);z-index:4;flex-direction:column;flex-shrink:0;width:236px;padding:24px 16px 12px;display:flex}.side-heading{letter-spacing:1px;justify-content:space-between;align-items:center;margin-bottom:16px;font-size:12px;font-weight:600;display:flex}.side-heading button{color:var(--muted);padding:0 7px;font-size:20px}.search{background:var(--surface);border:1px solid var(--border);border-radius:8px;align-items:center;gap:8px;padding:0 10px;display:flex}.search span{color:var(--muted);font-size:23px}.search input{background:0 0;border:0;padding:10px 0;font-size:12px}.side-intro{color:var(--muted);margin:19px 0;font-size:10px;line-height:1.7}.outline-row{border-radius:6px;align-items:center;gap:3px;min-height:38px;margin:3px 0;display:flex}.outline-row.selected{background:var(--soft)}.outline-row button{text-align:left;white-space:nowrap;text-overflow:ellipsis;font-size:12px;overflow:hidden}.outline-label{flex:1;padding:8px 4px!important}.outline-toggle{width:22px;color:var(--muted);padding:5px 0!important}.outline-dot{color:var(--accent);padding:0 5px;font-size:8px}.sidebar-footer{border-top:1px solid var(--border);color:var(--muted);align-items:center;gap:7px;padding-top:15px;font-size:10px;display:flex}.sidebar-footer button{border:1px solid var(--border);border-radius:50%;margin-left:auto;padding:2px 7px}.tiny-dot{background:#83a17b;border-radius:50%;width:5px;height:5px}#canvas{background:var(--canvas);touch-action:none;outline:none;flex:1;min-width:0;position:relative;overflow:hidden}#canvas.pan{cursor:grab}#canvas.pan:active{cursor:grabbing}.canvas-caption{pointer-events:none;z-index:1;flex-direction:column;gap:8px;display:flex;position:absolute;top:25px;left:32px}.canvas-caption span:first-child{text-transform:uppercase;letter-spacing:3px;color:var(--muted);font-size:10px}.canvas-caption span:last-child{color:var(--muted);opacity:.75;font-size:11px}#world{transform-origin:0 0;position:absolute;top:0;left:0}#connections{pointer-events:none;width:1px;height:1px;position:absolute;top:0;left:0;overflow:visible}.edge{fill:none;stroke:#b6c5b7;stroke-width:2px}.edge-label{fill:var(--muted);font-size:12px}.node{border:1px solid var(--border);background:var(--node-color,var(--surface));width:190px;min-height:62px;color:var(--node-text,var(--text));cursor:grab;-webkit-user-select:none;user-select:none;touch-action:none;border-radius:12px;padding:18px 20px;transition:box-shadow .15s;position:absolute;box-shadow:0 2px 7px #213d2b05}.node.root{box-shadow:var(--shadow);border-color:#afc2aa;border-radius:15px}.node.selected{outline:2px solid var(--accent);outline-offset:4px}.node.target{outline-offset:8px;outline:3px dashed #b78b47}.node-text{white-space:pre-wrap;overflow-wrap:anywhere;font-size:15px;line-height:1.5}.node img{object-fit:fill;pointer-events:none;border-radius:6px;width:100%;height:100%;display:block}.node.image-node{min-height:0;padding:8px}.image-caption{white-space:pre-wrap;overflow-wrap:anywhere;padding:8px 4px 3px;font-size:12px;line-height:1.4}.collapse-node{border:1px solid var(--border);background:var(--surface);border-radius:50%;width:24px;height:24px;padding:0;font-size:12px;position:absolute;top:50%;right:-13px;transform:translateY(-50%)}.node-note{color:var(--muted);margin-top:8px;font-size:10px;display:block}.resize-handle{border:2px solid var(--surface);background:var(--accent);cursor:nwse-resize;touch-action:none;border-radius:50%;width:20px;height:20px;position:absolute;bottom:-9px;right:-9px}.bottom-toolbar{pointer-events:none;z-index:3;justify-content:center;gap:14px;display:flex;position:absolute;bottom:48px;left:0;right:0}.tool-group,.zoom-group{background:var(--surface);border:1px solid var(--border);box-shadow:var(--shadow);pointer-events:auto;border-radius:12px;align-items:center;padding:5px;display:flex}.tool-group button,.zoom-group button{min-width:37px;height:37px;padding:4px 9px;font-size:20px}.tool-group button.active{background:var(--soft);color:var(--accent)}.separator{background:var(--border);width:1px;height:20px;margin:0 4px}.tool-label{vertical-align:middle;margin-left:7px;font-size:11px}.zoom-group #zoom-label{min-width:49px;font-size:11px}.canvas-footer{text-align:center;color:var(--muted);pointer-events:none;letter-spacing:1px;font-size:10px;position:absolute;bottom:18px;left:0;right:0}#context-toolbar{z-index:3;border:1px solid var(--border);background:var(--surface);box-shadow:var(--shadow);white-space:nowrap;border-radius:10px;max-width:calc(100% - 20px);padding:4px;position:absolute;top:80px;left:50%;overflow:auto;transform:translate(-50%)}#context-toolbar button{padding:7px 9px;font-size:12px}#inspector{border-left:1px solid var(--border);background:var(--panel);z-index:4;flex-shrink:0;width:255px;padding:24px 18px;overflow:auto}#inspector label,.form-label{color:var(--muted);margin:16px 0 7px;font-size:11px;display:block}#inspector input,#inspector textarea,#inspector select{font-size:12px}#inspector .button-row{margin:12px 0}.button-row{flex-wrap:wrap;gap:7px;display:flex}.button-row button,.full-button{border:1px solid var(--border);font-size:12px}.full-button{text-align:left;width:100%;margin-top:8px;padding:10px}.danger{color:#bc625a}.muted{color:var(--muted);font-size:12px;line-height:1.7}#empty-state{text-align:center;pointer-events:none;width:90%;position:absolute;top:42%;left:50%;transform:translate(-50%,-50%)}#empty-state>span{color:#b1c4ae;font-size:64px}#empty-state h1{font-size:28px;font-weight:500}#empty-state p{color:var(--muted);font-size:13px}#empty-state button{pointer-events:auto;margin-top:16px}#selection-box{border:1px solid var(--accent);pointer-events:none;background:#7ca38120;position:absolute}dialog{border:1px solid var(--border);background:var(--surface);width:min(600px,100vw - 28px);max-height:85dvh;color:var(--text);border-radius:18px;padding:25px;box-shadow:0 25px 100px #0002}.modal-heading{justify-content:space-between;align-items:center;margin-bottom:16px;display:flex}.modal-heading h2{margin:0;font-size:19px;font-weight:550}.modal-heading button{padding:0 8px;font-size:24px}#modal-body p{line-height:1.8}#modal-body .button-row{margin-top:18px}.export-grid{grid-template-columns:1fr 1fr;gap:10px;margin:14px 0;display:grid}.export-grid button{border:1px solid var(--border);text-align:left;padding:15px}.export-grid small{color:var(--muted);margin-top:5px;font-size:11px;display:block}.project-row{border-bottom:1px solid var(--border);align-items:center;gap:8px;padding:10px 0;display:flex}.project-row>button:first-child{text-align:left;flex:1}.project-row small{color:var(--muted);margin-top:6px;display:block}.crop-stage{background:var(--panel);touch-action:none;-webkit-user-select:none;user-select:none;max-height:45dvh;margin:15px 0;position:relative;overflow:hidden}.crop-stage img{object-fit:contain;pointer-events:none;width:100%;max-height:45dvh;display:block}.crop-overlay{pointer-events:none;border:2px solid #fff;outline:1000px solid #0006;position:absolute}.crop-overlay:after{content:"";border-top:1px solid #fff8;border-bottom:1px solid #fff8;position:absolute;inset:33% 0}#toast{background:var(--text);color:var(--bg);z-index:30;max-width:90vw;box-shadow:var(--shadow);border-radius:10px;padding:12px 20px;font-size:13px;position:fixed;bottom:125px;left:50%;transform:translate(-50%)}[hidden]{display:none!important}body.sidebar-hidden #sidebar{display:none}.lock-banner{color:#674d22;background:#fff2cf;padding:12px}a{color:var(--accent)}@media (max-width:1100px){#sidebar{width:205px}.brand{min-width:155px}.tool-label{display:none}.bottom-toolbar{gap:8px}#inspector{box-shadow:var(--shadow);position:absolute;top:76px;bottom:0;right:0}}@media (max-width:700px){.topbar{gap:10px;height:64px;padding:0 12px}.brand{gap:5px;min-width:0;font-size:17px}.brand-icon{font-size:31px}.brand small{display:none}.document input{font-size:12px}.document span{font-size:9px}.header-actions{gap:0}.header-actions button{padding:8px;font-size:11px}.header-actions .primary span{display:none}.workspace{height:calc(100dvh - 64px)}#sidebar{width:245px;box-shadow:var(--shadow);position:absolute;top:64px;bottom:0;left:0}#inspector{width:min(290px,90vw);top:64px}.canvas-caption{top:20px;left:20px}.canvas-caption span:last-child{font-size:10px}.bottom-toolbar{flex-direction:column;align-items:center;gap:8px;bottom:36px}.tool-group button{min-width:33px;padding:4px 8px}.tool-group{order:2}.zoom-group{align-self:flex-end;margin-right:12px}.zoom-group button{min-width:29px;height:29px;font-size:16px}.canvas-footer{font-size:9px;bottom:12px}#context-toolbar{top:70px}#context-toolbar button{padding:8px;font-size:11px}.separator{margin:0 2px}dialog{padding:20px}.node{border-radius:10px}.brand>span:last-child{display:none}}@media print{body>*{display:none!important}body>#print-image{width:100%;height:auto;display:block!important}}#canvas{overflow:clip}@media (min-width:701px) and (max-width:900px){.bottom-toolbar{flex-wrap:wrap;gap:8px}.tool-group{order:2}.zoom-group{order:1}.canvas-caption{max-width:calc(100% - 48px)}}:root{--text:#202421;--muted:#747b75;--accent:#466344;--soft:#f0f2eb;--panel:#f8f9f5;--border:#e5e7df;--signal:#d7ef87;--relation:#907a54;--shadow:0 12px 40px #2024200a,0 2px 6px #20242005}body.dark{--text:#eeeeea;--muted:#a4a89e;--accent:#d7ef87;--soft:#23261e;--panel:#10120e;--border:#2d3027;--signal:#d7ef87;--relation:#c6b18c;--surface:#171a14;--canvas:#000;--bg:#000}button{transition:background .16s,color .16s,box-shadow .16s,transform .16s}button:active:not(:disabled){transform:translateY(1px)}.ui-icon{pointer-events:none;flex-shrink:0;width:19px;height:19px;display:block}button[data-icon]{justify-content:center;align-items:center;gap:9px;display:inline-flex}.topbar{border-bottom:1px solid var(--border);gap:28px;height:88px;padding:0 28px}.brand{gap:12px;min-width:205px;font-size:23px;font-weight:650}.brand small{letter-spacing:2.7px;margin-top:5px;font-size:8px}.brand-icon{width:43px;height:43px;color:var(--text);place-items:center;display:grid}.brand-icon svg{fill:none;stroke:currentColor;stroke-width:1.6px;width:36px;height:36px}.brand-icon circle{fill:var(--surface)}.document{border-left:1px solid var(--border);gap:3px;padding-left:24px;position:relative}.document .document-eyebrow{letter-spacing:2px;color:var(--muted);font-size:8px;font-weight:600}.document input{letter-spacing:.2px;width:min(100%,440px);margin:2px 0;font-size:16px;font-weight:550}.document #save-status{color:var(--muted);font-size:10px}.header-actions{gap:8px}.header-actions button{height:42px;font-size:12px}.header-actions .tool-label{margin:0;font-size:12px}.header-actions .primary{background:var(--text);color:var(--bg);border-radius:9px;padding:0 16px}.workspace{height:calc(100dvh - 88px);position:relative}#sidebar{border:1px solid var(--border);background:var(--panel);width:252px;box-shadow:none;border-radius:16px;margin:18px 0 18px 18px;padding:22px 18px 15px}.side-heading{letter-spacing:.3px;margin-bottom:22px;font-size:12px}.section-number{color:var(--muted);margin-right:7px;font:10px ui-monospace,monospace}.side-heading button{border-radius:50%;width:28px;height:28px}.side-heading .ui-icon{width:15px;height:15px}.search{background:var(--surface);border-radius:8px;padding:0 10px}.search input{padding:11px 0;font-size:12px}.side-intro{margin:25px 0 20px}.outline-kicker{letter-spacing:1.5px;color:var(--muted);font-size:8px;font-weight:600}.side-intro p{letter-spacing:-.4px;color:var(--text);margin:10px 0 0;font-size:19px;font-weight:400;line-height:1.55}.outline-row{border-radius:7px;min-height:39px}.outline-row.selected{background:var(--signal);color:#26321d}.outline-row:hover{background:var(--soft)}.outline-row.selected:hover{background:var(--signal)}.outline-row button{color:inherit}.outline-row .outline-label{font-size:12px;padding:10px 5px!important}.outline-dot{color:var(--muted);font-size:6px}.sidebar-footer{color:var(--muted);margin-top:15px;padding-top:17px;font-size:11px}.tiny-dot{background:#799651;width:6px;height:6px}.sidebar-footer button{width:24px;height:24px;color:var(--text)}.canvas-caption{gap:10px;top:28px;left:32px}.canvas-caption span:first-child{letter-spacing:1.5px;align-items:center;gap:9px;font-size:9px;font-weight:500;display:flex}.canvas-caption b{color:var(--border);margin:0 2px;font-weight:400}.canvas-caption span:last-child{letter-spacing:.2px;color:var(--muted);font-size:11px}.live-dot{background:#829170;border-radius:50%;width:5px;height:5px;display:inline-block}.node{background:var(--node-color,var(--surface));border-color:#dfe4dc;border-radius:10px;transition:box-shadow .16s,outline-color .16s;box-shadow:0 2px 3px #141a1203,0 7px 20px #141a1204}.node.root{border-color:#c8d2be;border-radius:12px;box-shadow:0 3px 12px #20302008}.node:hover{box-shadow:0 4px 20px #24302012}.node.selected{outline:1.5px solid var(--accent);outline-offset:5px;box-shadow:0 8px 28px #26362012}.node .node-text{letter-spacing:.2px}.node.root .node-text{font-weight:550}.node-note{letter-spacing:.4px;margin-top:10px;font-size:10px}.collapse-node{width:22px;height:22px;color:var(--muted);background:var(--surface);right:-12px;box-shadow:0 2px 5px #00000005}.node.image-node{border-radius:13px;padding:8px}.node img{border-radius:7px}body.dark .node{border-color:#3e4736}body.dark .node:not([style*=--node-color]){box-shadow:none}.node.dragging{opacity:.78;z-index:10;cursor:grabbing;box-shadow:0 14px 30px #17241220}.node.drop-target{outline-offset:7px;z-index:11;outline:2px solid #87a441;box-shadow:0 0 0 11px #b8d46d25}.node.drop-target:after{content:"＋ 接入";background:var(--signal);color:#26321d;white-space:nowrap;pointer-events:none;border-radius:6px;padding:8px 11px;font-size:11px;line-height:1;position:absolute;bottom:calc(100% + 14px);left:50%;transform:translate(-50%)}#connections{color:var(--relation)}.edge{stroke:#b8c4b2;stroke-width:1.65px;stroke-linecap:round;stroke-linejoin:round}.relation{stroke:var(--relation);stroke-dasharray:5 5}.arrow-tail{stroke:var(--relation);stroke-width:1.65px;fill:none;stroke-linecap:round;stroke-linejoin:round}.edge-label{fill:var(--muted);paint-order:stroke;stroke:var(--canvas);stroke-width:5px;stroke-linejoin:round;font-size:11px}.bottom-toolbar{flex-wrap:wrap;align-items:center;gap:14px;padding:0 18px;bottom:43px}.tool-group{color:#f2f4eb;background:#23271f;border:1px solid #33382c;border-radius:13px;gap:2px;padding:6px;box-shadow:0 9px 28px #18200e22}.tool-group button{color:#d4d9cb;border-radius:8px;min-width:40px;height:40px;padding:7px 10px}.tool-group button:hover{color:#fff;background:#353c2d}.tool-group .separator{background:#48503e;height:19px;margin:0 5px}.tool-group .tool-label{margin:0;font-size:11px}.tool-group button:disabled{opacity:.25}.tool-group #add-text,.tool-group #add-image{gap:8px}.zoom-group{background:var(--surface);border-radius:11px;padding:6px;box-shadow:0 3px 18px #111b1007}.zoom-group button{min-width:31px;height:36px;padding:6px}.zoom-group .ui-icon{width:17px;height:17px}.zoom-group #zoom-label{min-width:45px;font:11px ui-monospace,monospace}.zoom-group #fit{border-left:1px solid var(--border);border-radius:0;width:40px;margin-left:6px;padding-left:12px}.canvas-footer{letter-spacing:0;color:var(--muted);justify-content:center;align-items:center;gap:10px;font-size:10px;display:flex;bottom:14px}.canvas-footer i{color:var(--border);font-style:normal}kbd{border:1px solid var(--border);border-radius:3px;margin-right:3px;padding:1px 4px;font:9px ui-monospace,monospace}#context-toolbar{background:var(--surface);border:1px solid var(--border);border-radius:10px;align-items:center;padding:5px;display:flex;top:86px;box-shadow:0 5px 20px #1d291014}#context-toolbar button{border-radius:6px;min-height:36px;padding:9px 11px;font-size:12px}#context-toolbar .delete-action{color:#a45545;width:36px;padding:8px}#context-toolbar .separator{flex-shrink:0}#drop-hint{z-index:12;background:var(--signal);color:#26321d;pointer-events:none;white-space:nowrap;text-overflow:ellipsis;border-radius:8px;max-width:90%;padding:10px 16px;font-size:12px;position:absolute;bottom:117px;left:50%;overflow:hidden;transform:translate(-50%);box-shadow:0 5px 15px #34451a12}#inspector{border:1px solid var(--border);width:276px;box-shadow:var(--shadow);background:var(--surface);border-radius:16px;padding:21px;position:absolute;top:18px;bottom:18px;right:18px}#inspector .side-heading{margin-bottom:12px}#inspector .full-button{border-radius:7px;padding:11px}#inspector input,#inspector textarea{background:var(--panel)}dialog{border:1px solid var(--border);border-radius:18px;padding:28px;box-shadow:0 32px 110px #19251025}dialog::backdrop{-webkit-backdrop-filter:blur(5px);backdrop-filter:blur(5px);background:#17201444}.modal-heading{margin-bottom:22px}.modal-heading h2{letter-spacing:-.5px;font-size:23px;font-weight:500}.modal-heading button{background:var(--panel);border-radius:50%;width:30px;height:30px}#modal-body textarea{background:var(--panel);border-radius:10px;padding:17px;font-size:17px;line-height:1.7}#modal-body .primary{background:var(--text);color:var(--bg);border-radius:8px;padding:12px 22px}.dialog-eyebrow{letter-spacing:1.7px;color:var(--muted);font:9px ui-monospace,monospace}.drop-description{font-size:15px;line-height:1.8}.connection-preview{align-items:center;gap:16px;margin:8px 0 20px;padding:24px 0;display:flex}.connection-preview span:not(.preview-line){border:1px solid var(--border);background:var(--panel);text-overflow:ellipsis;white-space:nowrap;border-radius:9px;max-width:42%;padding:13px 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