/* Opaque images cover this surface; transparent pixels reveal the soft glow.
 * Limit to post artwork so merchandise mockups retain their original surfaces.
 * Background-image artwork is excluded to preserve its existing image layer. */
article.type-post .entry-image.king-postimg:has(> img) {
    background-color: #14131d;
    background-image: radial-gradient(ellipse at 50% 35%, rgba(118, 77, 166, .18), transparent 72%);
}