body>header.reading-header{position:sticky!important;top:0!important;z-index:1500!important;transform:translateY(0);background:#f7f9fff5;transition:transform .45s cubic-bezier(.16,1,.3,1)}body>header.reading-header.reading-header-hidden{transform:translateY(calc(-100% - 2px));pointer-events:none}@media(prefers-reduced-motion:reduce){body>header.reading-header{transition:none}}body.mobile-lab>header.reading-header{position:sticky!important;top:0!important;z-index:1500!important}