.cu-main{display:block}

.cu-section{border-top:var(--border)}
.cu-section:first-child{border-top:none}

.cu-intro-inner{
max-width:720px;
margin-inline:auto;
text-align:left;
}

.cu-standard .cu-block{
max-width:760px;
}

.cu-narrow .cu-block{
max-width:720px;
}

.cu-block{
display:flex;
flex-direction:column;
gap:var(--space-3);
min-width:0;
}

.cu-standard .cu-block,
.cu-narrow .cu-block{
margin-inline:auto;
}

@media (max-width:700px){
.cu-intro-inner,
.cu-standard .cu-block,
.cu-narrow .cu-block{
max-width:100%;
}
}