.reading-progress{display:none}@supports (animation-timeline:scroll()){.reading-progress{transform-origin:0;animation:linear both reading-progress;animation-timeline:scroll(root);display:block;transform:scaleX(0)}}@keyframes reading-progress{to{transform:scaleX(1)}}@media (prefers-reduced-motion:reduce){.reading-progress{display:none}}.toc-scroll{scrollbar-width:thin;scrollbar-color:#6767f340 transparent;--fade-top:0px;--fade-bottom:0px;-webkit-mask-image:linear-gradient(to bottom, transparent 0, #000 var(--fade-top), #000 calc(100% - var(--fade-bottom)), transparent 100%);mask-image:linear-gradient(to bottom, transparent 0, #000 var(--fade-top), #000 calc(100% - var(--fade-bottom)), transparent 100%)}.toc-scroll[data-fade-top]{--fade-top:36px}.toc-scroll[data-fade-bottom]{--fade-bottom:48px}.toc-scroll::-webkit-scrollbar{width:4px}.toc-scroll::-webkit-scrollbar-thumb{background:#6767f340;border-radius:999px}.toc-scroll::-webkit-scrollbar-track{background:0 0}