:root{--teal-900:#134e4a;--teal-800:#115e59;--teal-700:#0f766e;--teal-600:#0d9488;--teal-100:#ccfbf1;--teal-50:#f0fdfa;--ink-900:#0f172a;--ink-700:#334155;--ink-500:#64748b;--ink-300:#cbd5e1;--paper:#f6f8f7;--card:#fff;--amber:#b45309;--amber-bg:#fffbeb;--red:#b91c1c;--red-bg:#fef2f2;--green:#047857;--green-bg:#ecfdf5;--gray-bg:#f1f5f9;--shadow:0 1px 2px #0f172a0d, 0 8px 28px #0f172a0f;--radius:12px;color:var(--ink-900);background:var(--paper);font-family:Segoe UI,PingFang SC,Microsoft YaHei,Noto Sans CJK SC,sans-serif}*{box-sizing:border-box}html,body,#app{min-height:100%;margin:0}button,input,select,textarea{font:inherit}a{color:var(--teal-700);text-decoration:none}a:hover{text-decoration:underline}.mono{font-family:Cascadia 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