Generate an SVG as a Thanksgiving greeting card illustration. Festive celebratory style. Background fill #FFFBF0. Draw a abundant harvest tableau at lower canvas — 4 pumpkins, wheat bundles, sunflowers, and leaf shapes in a rich row. Above, a large sunburst in gold (#F59E0B) with long radiating rays. Colorful autumn leaf confetti raining from upper canvas in red, orange, amber, and gold. Abundant, thankful, celebratory. No text, no labels, no emoji. Output raw SVG code only starting with <svg.

The image shows a group of pumpkins and autumn leaves on a white background with a sun in the background. The pumpkins are painted in a variety of colors, including orange, yellow, and brown, and the leaves are a mix of autumnal hues. The sun is a bright yellow, illuminating the scene and giving it a warm, inviting feel.