Christmas Glow Serum Holiday Promotion

[Format] Professional e-commerce product main image, square 1:1, cozy Christmas skincare scene with golden serum bottle and festive props. [Colors] Background twilight blue-grey with snowy pine forest and falling snowflakes, primary accent gold (#c9a13b), secondary cream, red accents on the tree, warm string lights, red banner at bottom, cream price card. No frame border. [Layout] Headline line one centered under the header, line two in white beneath. A gold-outlined member-gift card sits mid-left. The hero bottle stands center-right on a wooden tray, a decorated tree and white reindeer figurine flanking it. Price card bottom-left, red banner closing the bottom edge. [Subject] A pear-shaped frosted white serum bottle with a tall polished gold dropper collar, soft light glowing through it, styled with snowy evergreen branches, warm fairy lights, a small decorated Christmas tree and a knitted reindeer. [Headline] Cream serif-style line: "Buy 60ml, get 60ml of the same serum free". White line: "Deep hydration for youthful skin". Gold card: "Member first-order gift: about one full bottle, four 15ml jars (limit 5,000)". Cream card: "Final price from 299 per set". Red banner: "Event Dec 10 00:00 to Dec 12 23:59" and "Add to cart now, coupon saves 60 instantly". [Badges] Header chip "YOUR LOGO"; gold-outlined gift card; cream price card; red event banner. [Mood] Warm festive gifting glow, generous and limited-season.