:root{--ink:#17212b;--muted:#637180;--line:#dce3e8;--paper:#fff;--bg:#f5f7f8;--accent:#176b5b;--accent2:#0e4f43;--warn:#a15c00;--danger:#a33b35;--shadow:0 14px 40px rgba(24,39,52,.08)}
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.answer-source{color:var(--accent);font-size:.82rem;font-weight:700;margin:4px 0 14px}
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