:root{--bg: #f5f6fa;--card: #ffffff;--ink: #11131a;--ink-2: #3c4150;--muted: #6b7280;--line: #e7e9f0;--line-2: #f0f2f7;--brand: #5b5bf5;--brand-2: #8b5cf6;--brand-soft: #eeedff;--ok: #12a150;--ok-soft: #e8f7ee;--warn: #d97706;--warn-soft: #fdf3e3;--bad: #e5484d;--bad-soft: #fdecec;--radius: 14px;--shadow: 0 1px 2px rgba(16, 24, 40, .05), 0 10px 26px -16px rgba(16, 24, 40, .22);--shadow-lg: 0 24px 60px -24px rgba(16, 24, 40, .3)}*{box-sizing:border-box}html,body,#root{height:100%}body{margin:0;background:var(--bg);color:var(--ink);font-family:PingFang SC,Hiragino Sans GB,Microsoft YaHei,Noto Sans CJK SC,system-ui,-apple-system,Segoe UI,sans-serif;font-size:14px;line-height:1.6;-webkit-font-smoothing:antialiased}a{color:inherit;text-decoration:none}h1,h2,h3,h4,p{margin:0}img{display:block;max-width:100%}button{font-family:inherit}::selection{background:#dcd8ff}.shell{display:flex;min-height:100vh}.sidebar{width:238px;flex:0 0 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.bubble{background:linear-gradient(135deg,var(--brand),var(--brand-2));color:#fff;border:none}.avatar{width:30px;height:30px;border-radius:9px;display:grid;place-items:center;font-size:12px;font-weight:700;background:var(--line-2);color:var(--ink-2);flex:none}.avatar.ai{background:var(--brand-soft);color:#4b45d6}.shot-card{border:1px solid var(--line);border-radius:12px;padding:12px;background:#fff;display:grid;gap:6px}.shot-card .n{font-size:11px;color:var(--muted)}.shot-card .t{font-weight:600;font-size:13.5px}.shot-card .s{font-size:12px;color:var(--muted)}.kv{display:grid;grid-template-columns:92px 1fr;gap:8px 12px;font-size:13px}.kv dt{color:var(--muted)}.kv dd{margin:0}.split{display:grid;gap:20px;grid-template-columns:minmax(0,1.55fr) minmax(300px,1fr);align-items:start}.sticky{position:sticky;top:84px}.mobile-only,.hamburger{display:none}.canvas-toolbar{display:flex;align-items:center;gap:10px;margin-bottom:10px;flex-wrap:wrap}.canvas-stage{position:relative;height:calc(100vh - 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.canvas-node-b{background:#f7f7ff}@media (max-width: 1100px){.split{grid-template-columns:1fr}.chat-wrap{grid-template-columns:1fr;height:auto}.chat-wrap .chat-list,.chat-wrap .chat-side{display:none}}@media (max-width: 860px){.sidebar{position:fixed;left:0;top:0;transform:translate(-100%);transition:.22s;box-shadow:var(--shadow-lg)}.sidebar.open{transform:none}.hamburger{display:inline-flex}.content{padding:16px}.topbar{padding:0 14px}.hero{padding:40px 24px}.hero h1{font-size:30px}.auth-wrap{grid-template-columns:1fr}.auth-art{display:none}.page-head .actions{margin-left:0}.modal.wide{width:100%}}