:root{--bg: #f4f6fb;--panel: #ffffff;--panel-soft: #fafbfe;--text: #1d2330;--text-2: #4c5667;--muted: #8b95a6;--line: #e6eaf2;--line-strong: #d6dce8;--primary: #2b7fff;--primary-weak: #eaf2ff;--ai: #7c4dff;--ai-weak: #f4efff;--danger: #e5484d;--warn: #b7791f;--warn-bg: #fff7e0;--warn-line: #f2d38b;--ok: #18a058;--radius: 12px;--radius-sm: 9px;--shadow-sm: 0 1px 2px rgba(29, 35, 48, .06);--shadow-md: 0 10px 30px rgba(29, 35, 48, .12);--shadow-lg: 0 24px 64px rgba(29, 35, 48, .18)}*{box-sizing:border-box}html,body,#root{height:100%;margin:0}body{font-family:system-ui,-apple-system,Segoe UI,PingFang SC,Hiragino Sans GB,Microsoft 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