Generate an e-commerce product page for the shirt on TikTok, featuring a flannel plaid pattern with contrasting colors of black and red. The design includes long sleeves, pockets at the chest and left arm, a buttoned-down collar, and boho-style details like embroidery or patterns. It is presented in Italy's online store "Eurcult". In bold text below, it says "50% off" next to typography saying that there's a 24-hour sale. --ar 16:9 --s 50