.lg{--lg-main:760px;--lg-side:248px}.lg-grid{display:grid;grid-template-columns:minmax(0,var(--lg-main));justify-content:center}.lg-head{background:radial-gradient(60% 120% at 100% 0%,rgba(63,220,214,.12),rgba(63,220,214,0) 60%),var(--sp-bg-soft);border-bottom:1px solid var(--sp-line);padding-block:clamp(32px,6vw,64px) clamp(32px,5vw,56px)}.lg-head-in{display:flex;flex-direction:column;align-items:flex-start;gap:14px;min-width:0}.lg-crumb{display:flex;flex-wrap:wrap;align-items:center;gap:6px 10px;font-size:var(--sp-fs-xs);line-height:1.5;font-weight:600;color:var(--sp-muted)}.lg-crumb a{padding-block:12px;margin-block:-12px;color:var(--sp-muted)}.lg-crumb a:hover{color:var(--sp-teal);text-decoration:underline;text-underline-offset:3px}.lg-crumb [aria-current]{color:var(--sp-ink-2)}.lg-title{color:var(--sp-ink);margin-top:2px;overflow-wrap:break-word}.lg-intro{max-width:62ch}.lg-meta{display:inline-flex;align-items:center;gap:8px;margin-top:4px;padding:6px 14px 6px 10px;border:1px solid var(--sp-line);border-radius:999px;background:var(--sp-bg);font-size:var(--sp-fs-xs);line-height:1.4;font-weight:600;color:var(--sp-muted)}.lg-meta svg{flex:none;color:var(--sp-teal)}.lg-meta time{color:var(--sp-ink)}.lg-body{padding-block:clamp(32px,5vw,64px) var(--sp-section)}.lg-main{min-width:0}.lg-prose{overflow-wrap:break-word}.lg-prose>:first-child{margin-top:0}.lg-prose h2{padding-top:1.3em;border-top:1px solid var(--sp-line)}.lg-prose>h2:first-child{padding-top:0;border-top:0}.lg-prose h2+*,.lg-prose h3+*{margin-top:.7em}.lg-prose h2[tabindex="-1"]:focus:not(:focus-visible){outline:none}.lg-prose li::marker{color:var(--sp-teal)}.lg-prose ol>li::marker{font-weight:700}.lg-table{overflow-x:auto;overscroll-behavior-x:contain;border:1px solid var(--sp-line);border-radius:12px}.lg-prose .lg-table table{min-width:560px;border-style:hidden}.lg-aside{display:none}.lg-toc-h{padding:0 0 12px 18px}.lg-toc-list{margin:0;padding:0;list-style:none;border-left:2px solid var(--sp-line)}.lg-toc-a{display:block;margin-left:-2px;padding:8px 0 8px 16px;border-left:2px solid transparent;font-size:14px;line-height:1.4;font-weight:600;color:var(--sp-muted);transition:color .2s,border-color .2s}.lg-toc-a:hover{color:var(--sp-ink)}.lg-toc-a[aria-current="true"]{color:var(--sp-ink);font-weight:800;border-left-color:var(--sp-accent)}.lg-mtoc{margin-bottom:clamp(28px,5vw,40px);border:1px solid var(--sp-line);border-radius:var(--sp-radius-card);background:var(--sp-bg-soft)}.lg-mtoc-sum{list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:12px;padding:16px 20px;border-radius:var(--sp-radius-card);color:var(--sp-ink)}.lg-mtoc-sum::-webkit-details-marker{display:none}.lg-mtoc-sum::marker{content:''}.lg-mtoc-h{display:flex;align-items:baseline;flex-wrap:wrap;gap:4px 10px}.lg-mtoc-t{font-size:15px;font-weight:800}.lg-mtoc-n{font-size:13.5px;font-weight:600;color:var(--sp-muted)}.lg-mtoc-chev{flex:none;transition:transform .2s ease}.lg-mtoc[open]>.lg-mtoc-sum .lg-mtoc-chev{transform:rotate(180deg)}.lg-mtoc-nav{padding:0 20px 8px}.lg-mtoc-list{margin:0;padding:0;list-style:none}.lg-mtoc-a{display:flex;gap:12px;padding:12px 0;border-top:1px solid var(--sp-line);font-size:15.5px;line-height:1.4;font-weight:600;color:var(--sp-ink)}.lg-mtoc-a:hover{color:var(--sp-teal)}.lg-mtoc-num{flex:none;min-width:22px;padding-top:1px;font-family:var(--sp-mono);font-size:var(--sp-fs-xs);font-weight:600;color:var(--sp-teal)}@media (min-width:960px){.lg--toc .lg-grid{grid-template-columns:var(--lg-side) minmax(0,var(--lg-main));column-gap:clamp(40px,5vw,72px)}.lg--toc .lg-head-in{grid-column:2}.lg-aside{display:block}.lg-toc{position:sticky;top:calc(var(--sp-header-h) + 32px);max-height:calc(100vh - var(--sp-header-h) - 64px);overflow-y:auto;overscroll-behavior:contain}.lg-mtoc{display:none}}@media print{.lg-aside,.lg-mtoc{display:none}.lg-head{background:none}}