:root{--bg-0: #0b0e14;--bg-1: #11151f;--bg-2: #171c29;--bg-3: #1f2534;--border: #262d3f;--border-light: #323a52;--text-1: #e8ebf4;--text-2: #9aa3b8;--text-3: #646e86;--accent: #6c5ce7;--accent-2: #8b7bff;--accent-soft: rgba(108, 92, 231, .14);--green: #2dd4a7;--red: #f0626e;--amber: #f0b35e;--radius: 12px;--radius-sm: 8px;--sidebar-w: 216px;--panel-w: 300px}*{margin:0;padding:0;box-sizing:border-box}html,body,#root{height:100%}body{font-family:-apple-system,PingFang SC,Microsoft YaHei,Segoe 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14px;max-width:260px;background:var(--bg-2);border:1px solid var(--border);border-radius:999px;color:var(--accent-2);font-size:13px;cursor:pointer}.chat-example:hover{border-color:var(--accent)}.chat-msg{display:flex;flex-direction:column}.chat-msg .bubble{max-width:88%;padding:9px 13px;border-radius:12px;font-size:13.5px;line-height:1.7;white-space:pre-wrap;word-break:break-word}.chat-msg.user{align-items:flex-end}.chat-msg.user .bubble{background:var(--accent);color:#fff;border-bottom-right-radius:4px}.chat-msg.agent{align-items:flex-start}.chat-msg.agent .bubble{background:var(--bg-2);color:var(--text-1);border:1px solid var(--border-light);border-bottom-left-radius:4px}.chat-msg .bubble.dim{color:var(--text-2);display:flex;align-items:center;gap:8px}.spec-card{margin-top:6px;max-width:92%;background:var(--bg-3);border:1px solid var(--accent);border-radius:10px;padding:10px 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