/* Reveal the existing watermark once per page load, keeping its final opacity. */
body::after{--wgs-watermark-opacity:.075;animation:wgs-watermark-fade-in 7s ease-in-out both}
body:has(.reference-shell)::after{--wgs-watermark-opacity:.065}
@keyframes wgs-watermark-fade-in{from{opacity:0}to{opacity:var(--wgs-watermark-opacity)}}
@media(prefers-reduced-motion:reduce){body::after{animation:none!important;opacity:var(--wgs-watermark-opacity)}}