Intricate Art Nouveau Tableau of a Stylized Couple

"Intricate Art Nouveau tableau in the style of Alphonse Mucha::1.6 A stylized couple connected by a glowing crimson heartstring::1.5 He embraces her from behind, their chests aligned, the heartstring a luminous ribbon pulsing with life::1.6 Her flowing auburn hair cascades in sinuous golden lines, his dark curls entwined with ornate floral and vine motifs::1.4 She wears a diaphanous jade-green gown, he dons a tailored midnight-blue coat with gilded embroidery::1.3 Background of swirling lilies, peacock feathers, and stained-glass window patterns::1.2 Dynamic diagonal composition with swirling drapery and geometric frames::1.4 Soft pastel palette of emerald, rose, and amber accented with gold-leaf highlights::1.3 Delicate linework and ornamental borders, volumetric light filtering through colored glass::1.3 "