@media(max-width:1020px){
 .original-copy-case .caserail{position:sticky;top:var(--header-height);z-index:50;align-self:start;min-width:0;padding:8px 0 0;margin-top:var(--header-height);margin-bottom:24px;background:var(--bg)}
 .original-copy-case .caserail .k{display:none}
 .original-copy-case .caserail .chapters{padding-bottom:8px;overscroll-behavior-x:contain}
 .original-copy-case .chapters a{flex:none;white-space:nowrap}
 .original-copy-case [id]{scroll-margin-top:calc(var(--header-height) + 84px)}
}