Katalog Showcase Gaya Ikon Empat Panel

A clean 2×2 showcase collage catalog presenting [icon material styles] on a pure white background, designed as a prompt collection preview board. Layout and Composition: Wide horizontal 16:9 canvas divided into four equal rectangular quadrants separated by thin pale-gray divider lines and generous, even spacing between all items. Top-left panel: 15 glossy, colorful 3D digital marketing and social media icons arranged in 3 rows of 5 on a white studio background with soft drop shadows. Includes: a red-and-white megaphone, red target with arrow, smartphone displaying an app, red heart notification card, blue hashtag tile, desk calendar, desktop analytics monitor, yellow email envelope with an '@' symbol and paper plane, stack of business cards, magnifying glass over profile avatars, upward growth bar chart with a green arrow, female influencer filming with a ring light and floating heart, blue QR code tag reading "SCAN ME", blue thumbs-up speech bubble reading "2.3K", and a billboard reading "YOUR BRAND". Vibrant glossy 3D shapes with red, blue, yellow, and green accents. Top-right panel: 20 black hand-drawn line-art icons inspired by famous art motifs, arranged in 4 rows of 5. Includes: Mona Lisa-style seated portrait, Starry Night landscape frame, screaming wavy figure, Venus on a shell, melting clock, veiled woman bust, American Gothic couple, great wave, flower vase, seated thinker, classical standing male statue, classical robed female statue, abstract patterned dress figure, bull head, faceless bust, pop-art soup can labeled "Campbell's SOUP", two touching hands, circle of dancing figures, and two classical museum sketch portrait heads. Rendered in expressive monochrome black ink lines with textured sketch strokes, no color fills. Bottom-left panel: 20 solid black Japanese-themed flat silhouette icons arranged in 4 rows of 5. Includes: Mount Fuji with clouds, Tokyo Tower silhouette, Tokyo Skytree, torii gate, multi-tiered pagoda, Japanese castle, bullet train, cherry blossom branch, pair of maple leaves, Daruma doll with "福", maneki-neko lucky cat with "福", samurai helmet, patterned kimono, folding fan, nigiri sushi, ramen bowl with chopsticks, tea bowl, bamboo whisk, sake bottle with cup, and small teacup. Crisp vector silhouette style with sharp edges and minimal internal white cutouts. Bottom-right panel: 15 nostalgic retro household and gadget realistic 3D icons arranged in 3 rows of 5 with soft contact shadows. Includes: vinyl record player, vintage tabletop radio, cream rotary telephone, brass twin-bell alarm clock, wooden square clock, wall-mounted rotary telephone, brass desk fan, wood-grain stereo receiver, turquoise canister vacuum cleaner, antique hand-crank coffee grinder, gray calculator, portable cassette player, mint-green retro radio, vintage slide projector, and silver-and-brown vintage camera. Detailed realistic textures in beige, brown, brass, mint, and gray tones. Lighting and Finish: Bright high-key studio lighting across all quadrants, clean presentation, no text watermarks outside the specified labels, no background textures.