/* Optional, labelled chapter help. Never alter the target-language word bank. */
small.sp-unit-help{display:block;margin:.6rem 0 0;padding:.55rem .75rem;border-left:3px solid #348da6;background:#edf7fb;color:#173e4a;border-radius:0 .5rem .5rem 0;font-size:.9rem;line-height:1.55;overflow-wrap:anywhere}
small.sp-unit-help[hidden]{display:none!important}
.sp-unit-help span[lang="es"]{white-space:normal}
@media print{.sp-unit-help{break-inside:avoid}}