Постер с золотой кривой благосостояния

Deep blue elegant background, a steadily rising golden chart curve cuts through the scene, with a glowing coin icon at the tip of the curve. Main title "{argument name="main title" default="[Wealth Logic]"}" uses exquisite golden serif font. Subtitle "{argument name="subtitle" default="[Economics that ordinary people can understand]"}" is in white thin font, arranged directly below the main title, appearing professional and credible.