html{scroll-behavior:smooth}body{font-feature-settings:"ss01" 0,"ss02" 0,"ss03" 0,"cv01" 0,"cv02" 0,"salt" 0;-webkit-font-smoothing:antialiased}@keyframes ckfade{0%{transform:translateY(10px)}to{transform:none}}@media (prefers-reduced-motion:no-preference){[data-panel]:not(.hidden),[data-stat]:not(.hidden){animation:ckfade .32s cubic-bezier(.16,1,.3,1)}}.ck-tab{scroll-margin-top:80px}@media (max-width:767px){#problem{height:auto!important}#problem .problem-sticky{min-height:0;overflow:visible;position:static}}