:root{--snm-bg:#f7f7f8;--snm-surface:#fff;--snm-text:#18181b;--snm-muted:#666b76;--snm-border:#e6e7eb;--snm-accent:#d71920;--snm-accent-soft:#fff0f1;--snm-code:#111827;--snm-shadow:0 18px 50px rgba(15,23,42,.08)}
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