@media(max-width:1365px){:root{--read:760px;--read-pad:72px}}@media(max-width:1023px){:root{--read:560px;--read-pad:36px}.reader-crumbs .crumb:nth-last-child(n+3){display:none}.reader-crumbs .crumb:nth-last-child(2)::before{content:none;margin:0}}@media(max-width:767px){:root{--read:100%;--read-pad:20px}article.doc{width:100%;margin:0;border:0;border-radius:0;box-shadow:none}body{padding-bottom:calc(56px + env(safe-area-inset-bottom,0px))}.site-footer{padding-bottom:24px}.chat-form{bottom:calc(56px + env(safe-area-inset-bottom,0px));padding-bottom:14px}.mobile-bar{position:fixed;left:0;right:0;bottom:0;z-index:60;display:grid;grid-template-columns:repeat(4,1fr);height:calc(56px + env(safe-area-inset-bottom,0px));padding-bottom:env(safe-area-inset-bottom,0px);border-top:1px solid var(--line);background:color-mix(in srgb,var(--paper) 96%,transparent);backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px)}.mobile-bar>*{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:3px;border:0;background:0 0;color:var(--faint);font-size:var(--fs-xs);line-height:1;cursor:pointer}.mobile-bar>*:hover{text-decoration:none}.mobile-bar svg{width:21px;height:21px;fill:none;stroke:currentColor;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round}.mobile-bar .active{color:var(--accent)}.jump-layer{align-items:flex-end;padding:0}.jump-panel{width:100%;max-height:82vh;border-width:1px 0 0;border-radius:14px 14px 0 0}.jump-foot{padding-bottom:calc(10px + env(safe-area-inset-bottom,0px))}}