.chapter-hero[data-astro-cid-jkec3ail]{position:relative;min-height:100svh;display:flex;flex-direction:column;padding-top:calc(var(--header-h) + clamp(24px,4vh,56px));color:var(--fg)}.chapter-hero__grid[data-astro-cid-jkec3ail]{flex:1;display:grid;grid-template-columns:repeat(12,minmax(0,1fr));column-gap:var(--gutter);grid-template-rows:auto 1fr;padding-bottom:clamp(40px,7vh,88px)}.chapter-hero__meta[data-astro-cid-jkec3ail]{grid-column:1 / span 6;grid-row:1}.chapter-hero__eyebrow[data-astro-cid-jkec3ail]{color:var(--fg-muted);gap:.8em}.chapter-hero__num[data-astro-cid-jkec3ail]{margin-top:clamp(16px,3vh,40px)}.chapter-hero__text[data-astro-cid-jkec3ail]{grid-column:1 / span 6;grid-row:2;align-self:end;position:relative;z-index:2}.chapter-hero__parent[data-astro-cid-jkec3ail]{margin-bottom:.6em}.chapter-hero__title[data-astro-cid-jkec3ail]{max-width:12ch}.chapter-hero__intro[data-astro-cid-jkec3ail]{margin-top:clamp(20px,3vh,36px);max-width:44ch;color:var(--fg-muted)}.chapter-hero__scroll[data-astro-cid-jkec3ail]{display:grid;place-items:center;width:48px;height:48px;margin-top:clamp(28px,5vh,56px);border:1.5px solid var(--line);border-radius:50%;transition:border-color .3s,background-color .3s,color .3s}.chapter-hero__scroll[data-astro-cid-jkec3ail]:hover{background:var(--fg);color:var(--bg);border-color:var(--fg)}.chapter-hero__media[data-astro-cid-jkec3ail]{grid-column:8 / -1;grid-row:1 / span 2;position:relative;min-height:52vh}.chapter-hero__band[data-astro-cid-jkec3ail]{position:relative}.chapter-hero__band-fill[data-astro-cid-jkec3ail]{height:clamp(48px,9vh,96px);background:var(--c-signal-blue)}.chapter-hero__band[data-astro-cid-jkec3ail] .loadline-divider{position:absolute;top:0;left:0;z-index:2;transform:translateY(-50%)}@media(max-width:899px){.chapter-hero__grid[data-astro-cid-jkec3ail]{grid-template-columns:1fr;grid-template-rows:auto auto auto;row-gap:32px}.chapter-hero__meta[data-astro-cid-jkec3ail],.chapter-hero__text[data-astro-cid-jkec3ail],.chapter-hero__media[data-astro-cid-jkec3ail]{grid-column:1;grid-row:auto}.chapter-hero__media[data-astro-cid-jkec3ail]{min-height:0;aspect-ratio:4 / 3;order:3}.chapter-hero__scroll[data-astro-cid-jkec3ail]{display:none}}.toc[data-astro-cid-cdtaoq5f]{position:fixed;z-index:40;left:var(--page-margin);top:calc(var(--header-h) + 16px);width:calc((min(100vw,var(--max-width)) - 2 * var(--page-margin)) / 6 - var(--gutter));max-height:calc(100vh - var(--header-h) - 48px);overflow:auto;scrollbar-width:none;font-size:.75rem;line-height:1.35;color:var(--fg);opacity:0;pointer-events:none;transform:translateY(-8px);transition:opacity .5s var(--ease-out-quart),transform .6s var(--ease-out-expo),color .5s}.toc[data-astro-cid-cdtaoq5f].is-visible,.toc[data-astro-cid-cdtaoq5f]:focus-within{opacity:1;pointer-events:auto;transform:none}.toc__title[data-astro-cid-cdtaoq5f]{font-weight:600;letter-spacing:.12em;text-transform:uppercase;font-size:.6875rem;margin-bottom:14px;color:var(--fg-muted)}.toc__groups[data-astro-cid-cdtaoq5f]{display:grid;gap:9px}.toc__list[data-astro-cid-cdtaoq5f]{display:grid;gap:7px}.toc__sub[data-astro-cid-cdtaoq5f]{display:grid;grid-template-rows:0fr;transition:grid-template-rows .6s var(--ease-out-expo)}.toc__sub[data-astro-cid-cdtaoq5f]>.toc__list[data-astro-cid-cdtaoq5f]{overflow:hidden;min-height:0;padding-left:12px}.toc__group[data-astro-cid-cdtaoq5f].is-open .toc__sub[data-astro-cid-cdtaoq5f]{grid-template-rows:1fr}.toc__group[data-astro-cid-cdtaoq5f].is-open .toc__sub[data-astro-cid-cdtaoq5f]>.toc__list[data-astro-cid-cdtaoq5f]{padding-top:8px;padding-bottom:4px}.toc__num[data-astro-cid-cdtaoq5f]{display:inline-block;min-width:3.1em;color:var(--accent-ink);font-weight:600;font-variant-numeric:tabular-nums}.toc__link[data-astro-cid-cdtaoq5f]{position:relative;display:block;padding-left:18px;color:var(--fg-muted);transition:color .3s}.toc__group-link[data-astro-cid-cdtaoq5f]{font-weight:600}.toc__link[data-astro-cid-cdtaoq5f]:hover,.toc__link[data-astro-cid-cdtaoq5f].is-active,.toc__group[data-astro-cid-cdtaoq5f].is-open>.toc__group-link[data-astro-cid-cdtaoq5f]{color:var(--fg)}.toc__link[data-astro-cid-cdtaoq5f].is-active{font-weight:600}.toc__link[data-astro-cid-cdtaoq5f]:before,.toc__link[data-astro-cid-cdtaoq5f]:after{content:"";position:absolute;top:.675em;opacity:0;transform:scale(.4);transition:opacity .35s var(--ease-out-quart),transform .6s var(--ease-out-expo)}.toc__link[data-astro-cid-cdtaoq5f]:before{left:0;width:13px;height:2px;margin-top:-1px;background:var(--accent-ink)}.toc__link[data-astro-cid-cdtaoq5f]:after{left:2px;width:9px;height:9px;margin-top:-4.5px;border-radius:50%;border:2px solid var(--accent-ink);background:var(--bg)}.toc__link[data-astro-cid-cdtaoq5f].is-active:before,.toc__link[data-astro-cid-cdtaoq5f].is-active:after{opacity:1;transform:none}.toc-bar[data-astro-cid-cdtaoq5f]{position:fixed;z-index:50;left:0;right:0;top:var(--header-h);display:none;background:color-mix(in srgb,var(--bg) 90%,transparent);backdrop-filter:blur(14px) saturate(1.2);-webkit-backdrop-filter:blur(14px) saturate(1.2);border-bottom:1px solid var(--line);color:var(--fg);opacity:0;pointer-events:none;transform:translateY(-6px);transition:opacity .4s var(--ease-out-quart),transform .6s var(--ease-out-expo),top .6s var(--ease-out-expo),background-color .5s}html.header-hidden .toc-bar[data-astro-cid-cdtaoq5f]{top:0}html.menu-open .toc-bar[data-astro-cid-cdtaoq5f]{opacity:0!important;pointer-events:none!important}.toc-bar[data-astro-cid-cdtaoq5f].is-visible,.toc-bar[data-astro-cid-cdtaoq5f]:focus-within{opacity:1;pointer-events:auto;transform:none}.toc-bar__btn[data-astro-cid-cdtaoq5f]{display:flex;align-items:center;justify-content:space-between;gap:12px;width:100%;min-height:48px;padding:0 var(--page-margin);text-align:left;font-size:.8125rem}.toc-bar__label[data-astro-cid-cdtaoq5f]{display:flex;align-items:baseline;gap:8px;min-width:0}.toc-bar__title[data-astro-cid-cdtaoq5f]{flex:none;font-weight:600;letter-spacing:.1em;text-transform:uppercase;font-size:.6875rem;color:var(--fg-muted)}.toc-bar__sep[data-astro-cid-cdtaoq5f]{color:var(--fg-muted)}.toc-bar__section[data-astro-cid-cdtaoq5f]{font-weight:600;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.toc-bar__chev[data-astro-cid-cdtaoq5f]{flex:none;display:grid;place-items:center;width:28px;height:28px;border:1.5px solid var(--line);border-radius:50%;transition:transform .5s var(--ease-out-expo)}.toc-bar__btn[data-astro-cid-cdtaoq5f][aria-expanded=true] .toc-bar__chev[data-astro-cid-cdtaoq5f]{transform:rotate(180deg)}.toc-bar__progress[data-astro-cid-cdtaoq5f]{position:absolute;left:0;bottom:-1px;height:2px;width:100%;background:var(--accent-ink);transform-origin:0 50%;transform:scaleX(var(--p, 0))}.toc-sheet[data-astro-cid-cdtaoq5f]{position:fixed;inset:0;z-index:70;background:transparent}.toc-sheet[data-astro-cid-cdtaoq5f][hidden]{display:none}.toc-sheet__backdrop[data-astro-cid-cdtaoq5f]{position:absolute;inset:0;background:#041e4273;animation:toc-fade .4s var(--ease-out-quart)}.toc-sheet__panel[data-astro-cid-cdtaoq5f]{position:absolute;left:0;right:0;bottom:0;max-height:min(80vh,680px);overflow:auto;overscroll-behavior:contain;padding:20px var(--page-margin) calc(28px + env(safe-area-inset-bottom));background:var(--c-deep-sea);color:#fff;clip-path:polygon(0 0,100% 0,100% 100%,0 100%);animation:toc-up .6s var(--ease-out-expo)}.toc-sheet__head[data-astro-cid-cdtaoq5f]{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px}.toc-sheet__title[data-astro-cid-cdtaoq5f]{color:#ffffffad}.toc-sheet__close[data-astro-cid-cdtaoq5f]{display:grid;place-items:center;width:44px;height:44px;margin-right:-10px}.toc-sheet__groups[data-astro-cid-cdtaoq5f]{display:grid;gap:18px}.toc-sheet__group-link[data-astro-cid-cdtaoq5f]{display:flex;align-items:baseline;min-height:44px;align-items:center;font-size:1.125rem;font-weight:600}.toc-sheet__list[data-astro-cid-cdtaoq5f]{display:grid;padding-left:3.1em}.toc-sheet__link[data-astro-cid-cdtaoq5f]{display:flex;align-items:center;min-height:40px;font-size:.9375rem;color:#ffffffc7}.toc-sheet[data-astro-cid-cdtaoq5f] .is-active{color:#fff}.toc-sheet__link[data-astro-cid-cdtaoq5f].is-active:before{content:"";width:7px;height:7px;margin-right:10px;margin-left:-17px;border-radius:50%;border:2px solid var(--c-digital-green)}.toc-sheet[data-astro-cid-cdtaoq5f] .toc__num[data-astro-cid-cdtaoq5f]{color:var(--c-digital-green)}@keyframes toc-up{0%{transform:translateY(100%)}}@keyframes toc-fade{0%{opacity:0}}@media(max-width:1199px){.toc[data-astro-cid-cdtaoq5f]{display:none}.toc-bar[data-astro-cid-cdtaoq5f]{display:block}}.next-chapter__siblings[data-astro-cid-ldrunxap]{align-items:baseline;row-gap:20px;margin-bottom:clamp(56px,7vw,120px)}.next-chapter__siblings-title[data-astro-cid-ldrunxap]{grid-column:1 / span 2;color:var(--fg-muted)}.next-chapter__chips[data-astro-cid-ldrunxap]{grid-column:3 / -1;display:flex;flex-wrap:wrap;gap:10px}.next-chapter__chip[data-astro-cid-ldrunxap]{display:inline-flex;align-items:center;height:40px;padding:0 18px;font-size:var(--fs-small);font-weight:600;border:1.5px solid var(--line);transition:background-color .3s,color .3s,border-color .3s;clip-path:polygon(0 0,100% 0,100% calc(100% - 9px),calc(100% - 9px) 100%,0 100%)}.next-chapter__chip[data-astro-cid-ldrunxap]:hover{border-color:var(--fg)}.next-chapter__chip[data-astro-cid-ldrunxap].is-current{background:var(--c-deep-sea);color:#fff;border-color:var(--c-deep-sea)}.next-chapter__link[data-astro-cid-ldrunxap]{display:grid;grid-template-columns:repeat(12,minmax(0,1fr));column-gap:var(--gutter);align-items:end;padding-top:clamp(32px,4vw,56px);border-top:1px solid var(--line)}.next-chapter__text[data-astro-cid-ldrunxap]{grid-column:1 / span 8;position:relative}.next-chapter__eyebrow[data-astro-cid-ldrunxap]{color:var(--fg-muted);margin-bottom:clamp(20px,3vw,40px)}.next-chapter__num[data-astro-cid-ldrunxap]{color:var(--accent-ink);font-weight:600}.next-chapter__title[data-astro-cid-ldrunxap]{max-width:11ch}.next-chapter__title-inner[data-astro-cid-ldrunxap]{background-image:linear-gradient(currentColor,currentColor);background-repeat:no-repeat;background-position:0 92%;background-size:0% .06em;transition:background-size .8s var(--ease-out-expo)}.next-chapter__link[data-astro-cid-ldrunxap]:hover .next-chapter__title-inner[data-astro-cid-ldrunxap]{background-size:100% .06em}.next-chapter__arrow[data-astro-cid-ldrunxap]{display:block;width:clamp(40px,5vw,80px);margin-top:clamp(24px,3vw,48px);transition:transform .7s var(--ease-out-expo)}.next-chapter__link[data-astro-cid-ldrunxap]:hover .next-chapter__arrow[data-astro-cid-ldrunxap]{transform:translate(16px)}.next-chapter__media[data-astro-cid-ldrunxap]{grid-column:9 / -1}.next-chapter__media[data-astro-cid-ldrunxap] .media__inner{transition:transform 1.2s var(--ease-out-expo)}.next-chapter__link[data-astro-cid-ldrunxap]:hover .next-chapter__media[data-astro-cid-ldrunxap] .media__inner{transform:scale(1.06)}@media(max-width:899px){.next-chapter__siblings-title[data-astro-cid-ldrunxap],.next-chapter__chips[data-astro-cid-ldrunxap],.next-chapter__text[data-astro-cid-ldrunxap],.next-chapter__media[data-astro-cid-ldrunxap]{grid-column:1 / -1}.next-chapter__link[data-astro-cid-ldrunxap]{grid-template-columns:1fr;row-gap:32px}}.guide-section__header[data-astro-cid-vhebm42f]{row-gap:clamp(20px,2.4vw,36px);margin-bottom:var(--block-space)}.guide-section__heading[data-astro-cid-vhebm42f]{grid-column:3 / span 8}.guide-section__eyebrow[data-astro-cid-vhebm42f]{color:var(--fg-muted);margin-bottom:clamp(20px,2.2vw,32px);gap:1.1em}.guide-section__index[data-astro-cid-vhebm42f]{color:var(--accent-ink);font-weight:600}.guide-section__intro[data-astro-cid-vhebm42f]{grid-column:3 / span 6;color:var(--fg-muted)}.guide-section__intro[data-astro-cid-vhebm42f] p+p{margin-top:1em}.guide-section--split[data-astro-cid-vhebm42f] .guide-section__heading[data-astro-cid-vhebm42f]{grid-column:3 / span 5}.guide-section--split[data-astro-cid-vhebm42f] .guide-section__intro[data-astro-cid-vhebm42f]{grid-column:8 / -1;align-self:end}@media(max-width:1199px){.guide-section__heading[data-astro-cid-vhebm42f],.guide-section__intro[data-astro-cid-vhebm42f],.guide-section--split[data-astro-cid-vhebm42f] .guide-section__heading[data-astro-cid-vhebm42f]{grid-column:1 / span 9}.guide-section--split[data-astro-cid-vhebm42f] .guide-section__intro[data-astro-cid-vhebm42f]{grid-column:1 / span 8}}@media(max-width:899px){.guide-section__heading[data-astro-cid-vhebm42f],.guide-section__intro[data-astro-cid-vhebm42f],.guide-section--split[data-astro-cid-vhebm42f] .guide-section__heading[data-astro-cid-vhebm42f],.guide-section--split[data-astro-cid-vhebm42f] .guide-section__intro[data-astro-cid-vhebm42f]{grid-column:1 / -1}}