Black Friday Livestream Sale Poster

Professional Black Friday e-commerce sale poster, vertical 9:21, red livestream-event style with a floating phone mockup. [Colors] Background is a bold red gradient (#d81a1a to #8f0c0c) with falling gold coins, red envelopes and small fireworks; the headline is gold 3D caps with cream keylines; the subline pill is bright yellow with red type; the phone is white with a red envelope header; its five chat pills are glossy red with white type; the bottom band is white with red type and three icon tiles. No frame border. [Layout] The top quarter stacks the gold 3D headline (line two with a big exclamation mark) over a yellow pill; the right middle third is a large tilted white smartphone whose screen opens with a red envelope flap and gold coin seal, followed by five stacked red message pills; the left middle stays clean red negative space for product insertion; the bottom fifth is a white band with a red alarm-clock countdown line and three white icon tiles with red captions. [Subject] No people. A white smartphone mockup styled as a chat window, its red envelope header embossed with a gold coin and a single centered character-like seal replaced by a gold "BF" roundel; coins and envelopes tumble around the frame. [Headline] Gold 3D caps: "BLACK FRIDAY SHOP-SPREE" and "PARTY ALL NIGHT!"; yellow pill: "Tonight 8 PM · Live Early-Access Sale". Phone pills, reading order: "8 PM Nightly!", "New Drops!", "Instant Markdowns!", "Epic Perks!", "Bonus Credits!". White band: red caps "Countdown Is On — Lock In Livestream Deals". Icon tiles: "Authentic Guarantee", "Lightning Dispatch", "BF Price Lock". [Mood] Electric, nightly-event energy; red-hot gradient with gold coins and a chat-style phone making the livestream feel unmissable.