:root{--bg: #f5f6f8;--panel: #ffffff;--border: #e8eaef;--border-strong: #d9dce3;--text: #1c2333;--text-2: #5b6472;--text-3: #9aa3b2;--accent: #2f6bf0;--accent-hover: #2459cc;--accent-soft: #eef3fe;--orange: #f97316;--green: #16a34a;--green-soft: #e8f7ee;--red: #dc2626;--red-soft: #fdecec;--yellow: #d97706;--yellow-soft: #fdf3e2;--radius: 12px;--shadow: 0 1px 2px rgba(16, 24, 40, .04), 0 1px 3px rgba(16, 24, 40, .06);--shadow-lg: 0 8px 30px rgba(16, 24, 40, .12);--mono: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace}*{box-sizing:border-box}html,body,#root{height:100%}body{margin:0;font-family:-apple-system,BlinkMacSystemFont,PingFang SC,Hiragino Sans GB,Microsoft YaHei,Segoe 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