.vs-mth-head{padding-top:3.2rem;padding-bottom:1.4rem}.vs-mth__title{margin:.9rem 0;font-family:var(--font-display),system-ui,sans-serif;font-size:clamp(2rem,4vw,3rem);line-height:1.05;letter-spacing:-.03em}.vs-mth__lead{margin:0;max-width:62ch;padding-left:1rem;border-left:2px solid rgba(var(--vs-cyan-rgb),.4);font-size:1rem;line-height:1.7;color:var(--vs-text)}.vs-mth{display:grid;grid-gap:1.6rem;gap:1.6rem;grid-template-columns:1fr}@media (min-width:980px){.vs-mth{grid-template-columns:14rem minmax(0,1fr);gap:3rem;align-items:start}.vs-mth__toc{position:-webkit-sticky;position:sticky;top:5.5rem;max-height:calc(100vh - 7rem);overflow-y:auto}}.vs-mth__toc-title{margin:0 0 .7rem;font-size:.66rem;font-weight:700;text-transform:uppercase;letter-spacing:.13em;color:var(--vs-faint)}.vs-mth__toc-list{list-style:none;margin:0;padding:0;display:grid;grid-gap:.1rem;gap:.1rem}.vs-mth__toc-list a{display:grid;grid-template-columns:1.5rem minmax(0,1fr);grid-gap:.5rem;gap:.5rem;padding:.4rem .5rem .4rem .3rem;border-radius:7px;font-size:.83rem;line-height:1.4;color:var(--vs-dim);text-decoration:none;transition:color .16s var(--vs-ease),background .16s var(--vs-ease)}.vs-mth__toc-list a:focus-visible,.vs-mth__toc-list a:hover{color:var(--vs-text);background:rgba(var(--vs-line-rgb),.06);outline:none}.vs-mth__toc-list i{font-style:normal;font-size:.7rem;font-weight:700;font-feature-settings:"tnum";font-variant-numeric:tabular-nums;color:var(--vs-faint);text-align:right}.vs-mth__toc-list a:hover i{color:var(--vs-cyan)}.vs-mth__body{max-width:72ch}.vs-mth__h2{display:grid;grid-template-columns:2.4rem minmax(0,1fr);align-items:baseline;grid-gap:.7rem;gap:.7rem;margin:2.6rem 0 .9rem;padding-top:1.5rem;border-top:1px solid var(--vs-line-soft);font-family:var(--font-display),system-ui,sans-serif;font-size:1.3rem;letter-spacing:-.015em;scroll-margin-top:5.5rem}.vs-mth__body>.vs-mth__h2:first-child{margin-top:0;padding-top:0;border-top:0}.vs-mth__num{font-size:.82rem;font-weight:800;font-feature-settings:"tnum";font-variant-numeric:tabular-nums;color:var(--vs-cyan);text-align:right}.vs-mth__p{margin:0 0 1.05rem;padding-left:3.1rem;font-size:.94rem;line-height:1.75;color:var(--vs-dim)}.vs-mth__limits{margin-top:2.8rem;padding:1.4rem 1.5rem 1.5rem;border:1px solid var(--vs-line-soft);border-left:2px solid var(--vs-amber);border-radius:0 var(--vs-radius-sm) var(--vs-radius-sm) 0;background:rgba(var(--vs-amber-rgb),.045)}.vs-mth__limits-tag{margin:0 0 .2rem;font-size:.64rem;font-weight:700;text-transform:uppercase;letter-spacing:.14em;color:var(--vs-amber)}.vs-mth__limits .vs-mth__h2{grid-template-columns:1fr;margin:.3rem 0 .8rem;padding-top:0;border-top:0}.vs-mth__limits .vs-mth__num{display:none}.vs-mth__limits .vs-mth__p{padding-left:0;color:var(--vs-text)}.vs-mth__limits .vs-mth__p:last-of-type{margin-bottom:0}.vs-mth__top{margin:2.6rem 0 0;padding:1.2rem 0 0 3.1rem;border-top:1px solid var(--vs-line-soft)}.vs-mth__top a{font-size:.82rem;color:var(--vs-faint);text-decoration:none;transition:color .16s var(--vs-ease)}.vs-mth__top a:hover{color:var(--vs-cyan)}@media (max-width:979px){.vs-mth-head{padding-top:2.1rem}.vs-mth__toc{padding:.9rem 1rem;border:1px solid var(--vs-line-soft);border-radius:12px;background:rgba(var(--vs-tint-rgb),.014)}.vs-mth__h2{grid-template-columns:1.9rem minmax(0,1fr);font-size:1.18rem}.vs-mth__p,.vs-mth__top{padding-left:0}.vs-mth__limits{padding:1.1rem 1rem 1.2rem}}