:root{--blue: #0071ce;--blue-dark: #004f9a;--blue-light: #e8f3fc;--bg: #f3f6fa;--card: #ffffff;--border: #e2e8f0;--text: #16233b;--muted: #68778c;--green: #1a9e5c;--green-bg: #e7f6ee;--amber: #d9820b;--amber-bg: #fdf3e3;--red: #d93434;--red-bg: #fdecec;--radius: 12px;--shadow: 0 1px 2px rgba(16, 36, 70, .05), 0 4px 14px rgba(16, 36, 70, .06)}*{box-sizing:border-box}html,body{margin:0;padding:0}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,PingFang SC,Hiragino Sans GB,Microsoft YaHei,sans-serif;background:var(--bg);color:var(--text);font-size:14px;line-height:1.55}button{font-family:inherit;cursor:pointer}input,textarea,select{font-family:inherit;color:inherit}.muted-txt{color:var(--muted);font-size:12.5px}.text-red{color:var(--red)}.mono{font-family:ui-monospace,Cascadia 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