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var(--sb-rule);border-bottom:1px solid var(--sb-rule);max-width:none;font-size:var(--sb-size-h1);line-height:var(--sb-lh-h1);letter-spacing:var(--sb-tracking-h1);font-weight:var(--sb-weight-head);color:var(--sb-ink);text-wrap:balance;margin:clamp(1.75rem,3vw,3rem) 0;padding:clamp(1.25rem,2.2vw,2.25rem) 0}.about-concepts{margin:.9rem 0 0;padding:0}.about-concept{gap:.5rem var(--sb-gutter);border-top:1px solid var(--sb-rule);grid-template-columns:minmax(0,11rem) minmax(0,1fr);align-items:baseline;padding:.7rem 0;display:grid}.about-concept:first-child{border-top:0}.about-concept__term{color:var(--sb-ink);font-family:var(--sb-mono);font-size:var(--sb-size-small)}.about-concept__zh{color:var(--sb-ink-dim);font-size:var(--sb-size-small);margin:0}@media (width<=520px){.about-concept{grid-template-columns:minmax(0,1fr);gap:.15rem}}