Christmas Livestream Set with Giant Santa Hat House

Professional Christmas livestream backdrop, vertical, glossy 3D set-dressing render. [Colors] Candy red #D8242B field, peppermint white #FFF6EF stripes, spruce #2B6B47, sugar white #F3F6F4 snow, butter #F2C24E lights. [Layout] Stage composition: headline and a green discount bar at the top, a giant hero structure filling the middle, gift piles flanking its base, a rounded offer panel at the bottom, holly arrangements framing the corners. [Typography] Rounded bold sans with a white outline for the headline, condensed bold for the discount bar, clean sans in the bottom panel. [Subject] A whimsical house whose roof is a huge red-and-white striped Santa hat dusted with glittering snow, glowing arched doorways, a decorated fir and a small snowman perched on the roof edge, presents stacked both sides. [Lighting & mood] Bright retail lighting, candy gloss, celebratory and commercial. [Details] Falling snow particles, sparkle dust, string lights over the eaves, holly and pine sprays in the corners. Text: "CHRISTMAS LIVESTREAM", "UP TO 70% OFF".