.itoc{--itoc-text:inherit;--itoc-muted:color-mix(in srgb, currentColor 65%, transparent);--itoc-border:color-mix(in srgb, currentColor 22%, transparent);--itoc-border-hover:color-mix(in srgb, currentColor 62%, transparent);--itoc-line:color-mix(in srgb, currentColor 15%, transparent);--itoc-faint:color-mix(in srgb, currentColor 5%, transparent);--itoc-faint-2:color-mix(in srgb, currentColor 8%, transparent);--itoc-hairline:color-mix(in srgb, currentColor 16%, transparent);--itoc-accent-1:rgba(255,43,214,.35);--itoc-accent-2:rgba(124,58,237,.30);--itoc-offset:96px;margin:22px 0 28px}.itoc__card{background:var(--itoc-faint);color:var(--itoc-text);border:1px solid var(--itoc-border);border-radius:18px;overflow:hidden;box-shadow:0 12px 34px rgb(0 0 0 / .14);transition:border-color .15s ease,box-shadow .15s ease;position:relative}.itoc__card:before{content:"";position:absolute;inset:0;pointer-events:none;background:linear-gradient(135deg,var(--itoc-accent-1),var(--itoc-accent-2));opacity:.14}.itoc__card:hover{border-color:var(--itoc-border-hover);box-shadow:0 16px 44px rgb(0 0 0 / .18)}.itoc__details{position:relative}.itoc__summary{list-style:none;cursor:pointer;padding:14px 16px;display:flex;align-items:center;justify-content:space-between;gap:12px;position:relative;z-index:1}.itoc__summary::-webkit-details-marker{display:none}.itoc__summaryLeft{display:flex;flex-direction:column;gap:2px;text-align:left;min-width:0}.itoc__title{font-weight:900;font-size:1rem;letter-spacing:.2px}.itoc__subtitle{font-size:.82rem;color:var(--itoc-muted);font-weight:700}.itoc__summaryRight{display:inline-flex;align-items:center;justify-content:center;width:34px;height:34px;border-radius:999px;border:1px solid var(--itoc-hairline);background:var(--itoc-faint);transition:border-color .15s ease,transform .15s ease,background .15s ease}.itoc__summary:hover .itoc__summaryRight{border-color:var(--itoc-border-hover);background:var(--itoc-faint-2)}.itoc__chevIcon{width:18px;height:18px;display:block}.itoc__details[open] .itoc__summaryRight{border-color:var(--itoc-border-hover)}.itoc__details[open] .itoc__summaryRight .itoc__chevIcon{transform:rotate(180deg);transition:transform .15s ease}.itoc__body{position:relative;z-index:1;padding:0 16px 14px;border-top:1px solid var(--itoc-line)}.itoc__nav{margin-top:12px}.itoc__tree,.itoc__list{margin:0;padding:0;list-style:none}.itoc__h2{margin:0}.itoc__h2row,.itoc__h2summary{display:flex;align-items:flex-start;justify-content:space-between;gap:10px;padding:10px 0;text-align:left}.itoc__h2summary{cursor:pointer;list-style:none}.itoc__h2summary::-webkit-details-marker{display:none}.itoc__chev{display:inline-flex;align-items:center;justify-content:center;width:28px;height:28px;border-radius:999px;border:1px solid var(--itoc-hairline);background:var(--itoc-faint);flex:0 0 auto;transition:border-color .15s ease,background .15s ease,transform .15s ease}.itoc__chev .itoc__chevIcon{width:16px;height:16px}.itoc__section:hover .itoc__chev{border-color:var(--itoc-border-hover);background:var(--itoc-faint-2)}.itoc__section[open] .itoc__chev .itoc__chevIcon{transform:rotate(180deg)}.itoc__link{color:var(--itoc-text);text-decoration:none;display:inline-flex;align-items:flex-start;gap:10px;line-height:1.32;border-bottom:1px solid #fff0;padding:2px 0}.itoc__link:before{content:"";width:6px;height:6px;border-radius:999px;margin-top:.62em;background:var(--itoc-muted);box-shadow:0 0 0 1px var(--itoc-line);flex:0 0 auto}.itoc__link:hover{border-bottom-color:var(--itoc-border-hover)}.itoc__link.is-active{font-weight:900;border-bottom-color:var(--itoc-border-hover)}.itoc__link.is-active:before{background:currentColor;box-shadow:0 0 0 1px var(--itoc-hairline),0 0 16px rgb(255 43 214 / .12)}.itoc__link--h2{font-weight:900;font-size:.98rem}.itoc__link--h2:before{width:8px;height:8px;margin-top:.55em;background:linear-gradient(135deg,rgb(255 43 214 / .85),rgb(124 58 237 / .80));box-shadow:0 0 0 1px var(--itoc-hairline),0 0 18px rgb(255 43 214 / .10)}.itoc__children{margin:6px 0 10px 14px;padding-left:14px;border-left:1px solid var(--itoc-line)}.itoc__list--h3{display:grid;gap:6px}.itoc__node--h3 .itoc__link{font-weight:750;font-size:.92rem;color:color-mix(in srgb,currentColor 90%,transparent)}.itoc__node--h3 .itoc__link:before{width:6px;height:6px;background:color-mix(in srgb,currentColor 55%,transparent)}.itoc__list--h4{margin:6px 0 0 14px;padding-left:14px;border-left:1px solid var(--itoc-line);display:grid;gap:6px}.itoc__node--h4 .itoc__link{font-weight:700;font-size:.88rem;color:color-mix(in srgb,currentColor 82%,transparent)}.itoc__node--h4 .itoc__link:before{width:5px;height:5px;background:color-mix(in srgb,currentColor 40%,transparent)}.itoc__link:focus-visible{outline:2px solid var(--itoc-border-hover);outline-offset:3px;border-radius:6px}h2[id],h3[id],h4[id]{scroll-margin-top:calc(var(--itoc-offset) + 8px)}@media (max-width:767px){.itoc{margin:18px 0 22px}.itoc__summary{padding:12px 14px}.itoc__body{padding:0 14px 12px}.itoc__h2row,.itoc__h2summary{padding:10px 0}.itoc__children{margin-left:12px;padding-left:12px}.itoc__summaryRight{width:32px;height:32px}.itoc__chev{width:30px;height:30px}}