Generate an SVG as a thank-you greeting card illustration. Dark elegant style. Background fill #1A0A2E. Draw a central bow/ribbon shape in gold (#C9A84C) — two loop shapes with trailing ribbon paths. Add fine-line flourish ornament paths at each corner in #E8D5A3 (opacity 0.7). Thin art-deco frame lines. Refined elegant gratitude. No text, no labels, no emoji. Output raw SVG code only starting with <svg.

The image shows a blue gift box with a gold bow on it, set against a white background. The box is decorated with intricate designs, giving it a luxurious and elegant look.