.nav[data-v-28ef72d8]{background-color:transparent}.nav[data-v-28ef72d8]:before{content:"";position:absolute;inset:0;z-index:-1;border-bottom:1px solid var(--line);background:color-mix(in srgb,var(--bg) 72%,transparent);backdrop-filter:saturate(180%) blur(20px);-webkit-backdrop-filter:saturate(180%) blur(20px);opacity:0;transition:opacity .3s ease}.nav.is-scrolled[data-v-28ef72d8]:before{opacity:1}@media(prefers-reduced-motion:reduce){.nav[data-v-28ef72d8]:before{transition:none}}