.lrn-reveal{opacity:0;will-change:opacity, translate;transition:opacity .7s cubic-bezier(.25,1,.5,1),translate .7s cubic-bezier(.25,1,.5,1);translate:0 28px}.lrn-reveal.is-visible{opacity:1;translate:none}@media (prefers-reduced-motion:reduce){.lrn-reveal{opacity:1!important;transition:none!important;translate:none!important}}.lrn-card{height:auto}.lrn-card[data-hidden=true]{height:0}.domain-tip{background:var(--color-surface);width:max-content;max-width:240px;color:var(--color-body);border:1px solid var(--color-line);box-shadow:var(--shadow-md);opacity:0;pointer-events:none;z-index:30;border-radius:8px;padding:10px 14px;font-size:15px;line-height:1.45;transition:opacity .15s;position:absolute;bottom:calc(100% + 10px);left:50%;transform:translate(-50%)}.domain-tip.is-open{opacity:1}.domain-tip-arrow{background:var(--color-surface);border-right:1px solid var(--color-line);border-bottom:1px solid var(--color-line);width:10px;height:10px;margin-top:-5px;margin-left:-5px;position:absolute;top:100%;left:50%;transform:rotate(45deg)}@media (prefers-reduced-motion:reduce){.domain-tip{transition:none}}