.toc{position:sticky;top:96px;align-self:start}.toc-label{font-family:var(--font-mono,ui-monospace,monospace);font-size:11px;letter-spacing:.08em;text-transform:uppercase;color:var(--color-text-tertiary);margin-bottom:12px}.toc-list{list-style:none;padding:0;margin:0;border-left:1px solid var(--color-border-default)}.toc-link{display:flex;gap:12px;padding:8px 0 8px 16px;margin-left:-1px;border-left:1px solid transparent;font-family:var(--font-mono,ui-monospace,monospace);font-size:12.5px;color:var(--color-text-secondary);text-decoration:none;line-height:1.4;transition:color .15s,border-color .15s}.toc-link.is-current,.toc-link:hover{color:var(--color-text-primary)}.toc-link.is-current{border-left-color:var(--color-accent-primary)}.toc-num{color:var(--color-text-tertiary);font-size:11px;letter-spacing:.04em;flex-shrink:0}@media (max-width:1023px){.toc{position:sticky;top:57px;background:var(--color-bg-base);padding:12px 16px;border-bottom:1px solid var(--color-border-default);margin:0 -16px 24px;z-index:5}.toc-label{display:none}.toc-list{display:flex;gap:4px;overflow-x:auto;border-left:0;padding-bottom:4px;scrollbar-width:none}.toc-list::-webkit-scrollbar{display:none}.toc-link{white-space:nowrap;padding:6px 12px;border:1px solid var(--color-border-default);border-radius:4px;margin-left:0}.toc-link.is-current{background:var(--color-bg-surface-1);border-color:var(--color-accent-primary);border-left-color:var(--color-accent-primary)}}.tier-block{border:1px solid var(--color-border-default);border-left-width:3px;border-radius:4px;background:var(--color-bg-surface-1);overflow:hidden}.tier-block+.tier-block{margin-top:12px}.tier-block summary{list-style:none;cursor:pointer;padding:16px 20px;display:grid;grid-template-columns:1fr auto auto;gap:16px;align-items:center}.tier-block summary::-webkit-details-marker{display:none}.tier-block .chev{color:var(--color-text-tertiary);font-family:var(--font-mono,ui-monospace,monospace);font-size:12px;transition:transform .15s}.tier-block[open] .chev{transform:rotate(90deg)}@media (max-width:600px){.tier-block summary{grid-template-columns:1fr auto}.tier-block .gloss{display:none}}.method-section{scroll-margin-top:96px}