[data-astro-cid-gwb322rh][data-stable-section]{height:0;scroll-margin-block-start:calc(var(--header-height,var(--nav-height)) + 1.5rem);display:block}.read-aloud[data-astro-cid-ekgkn4ti]{border:1px solid var(--color-border);background:var(--color-surface);letter-spacing:normal;text-align:left;color:var(--color-text);border-radius:12px;margin-top:1.8rem;padding:1rem;font-size:.8rem;line-height:1.6}.read-aloud[data-astro-cid-ekgkn4ti] button[data-astro-cid-ekgkn4ti],.read-aloud[data-astro-cid-ekgkn4ti] select[data-astro-cid-ekgkn4ti]{font:inherit;border:1px solid var(--color-border);background:var(--color-bg);min-height:42px;color:var(--color-text);cursor:pointer;border-radius:7px;padding:.45rem .7rem}.read-aloud[data-astro-cid-ekgkn4ti] button[data-astro-cid-ekgkn4ti]:disabled{opacity:.55;cursor:default}.read-aloud[data-astro-cid-ekgkn4ti] button[data-astro-cid-ekgkn4ti]:focus-visible,.read-aloud[data-astro-cid-ekgkn4ti] select[data-astro-cid-ekgkn4ti]:focus-visible,.read-aloud[data-astro-cid-ekgkn4ti] input[data-astro-cid-ekgkn4ti]:focus-visible,.read-aloud[data-astro-cid-ekgkn4ti] summary[data-astro-cid-ekgkn4ti]:focus-visible{outline:2px solid var(--color-brand);outline-offset:3px}.read-aloud__top[data-astro-cid-ekgkn4ti]{flex-wrap:wrap;align-items:center;gap:.7rem;display:flex}.read-aloud[data-astro-cid-ekgkn4ti] .read-aloud__play[data-astro-cid-ekgkn4ti]{background:var(--color-brand);color:var(--color-on-brand);border-color:var(--color-brand);padding-inline:1rem;font-weight:600}.read-aloud__status[data-astro-cid-ekgkn4ti]{color:var(--color-text-secondary);flex:1;min-width:10rem}.read-aloud__transport[data-astro-cid-ekgkn4ti]{flex-wrap:wrap;align-items:center;gap:.5rem;margin-top:.8rem;display:flex}.read-aloud__seek[data-astro-cid-ekgkn4ti]{min-width:8rem;color:var(--color-muted);flex:1;gap:.2rem;font-size:.7rem;display:grid}.read-aloud__seek[data-astro-cid-ekgkn4ti] input[data-astro-cid-ekgkn4ti]{width:100%;min-height:28px;accent-color:var(--color-brand)}.read-aloud__settings[data-astro-cid-ekgkn4ti]{margin-top:.65rem}.read-aloud__settings[data-astro-cid-ekgkn4ti] summary[data-astro-cid-ekgkn4ti]{cursor:pointer;width:fit-content;color:var(--color-brand);padding:.3rem 0}.read-aloud__fields[data-astro-cid-ekgkn4ti]{flex-wrap:wrap;align-items:end;gap:.8rem;margin-top:.6rem;display:flex}.read-aloud__fields[data-astro-cid-ekgkn4ti] label[data-astro-cid-ekgkn4ti]{gap:.3rem;min-width:0;max-width:100%;display:grid}.read-aloud__fields[data-astro-cid-ekgkn4ti] select[data-astro-cid-ekgkn4ti]{text-overflow:ellipsis;width:100%;max-width:100%}.read-aloud__fields[data-astro-cid-ekgkn4ti] label[data-astro-cid-ekgkn4ti]:first-child{flex:1;min-width:min(100%,14rem)}.read-aloud__fields[data-astro-cid-ekgkn4ti] .read-aloud__follow[data-astro-cid-ekgkn4ti]{align-items:center;min-height:42px;display:flex}.read-aloud__follow[data-astro-cid-ekgkn4ti] input[data-astro-cid-ekgkn4ti]{accent-color:var(--color-brand);width:17px;height:17px}.read-aloud__settings[data-astro-cid-ekgkn4ti] p[data-astro-cid-ekgkn4ti]{color:var(--color-muted);margin:.8rem 0 0;font-size:.75rem}.read-aloud__dock[data-astro-cid-ekgkn4ti]{bottom:max(.8rem,env(safe-area-inset-bottom));z-index:50;background:var(--color-surface);border:1px solid var(--color-border);border-radius:12px;align-items:center;gap:.5rem;width:max-content;max-width:calc(100% - 1.5rem);padding:.65rem .8rem;display:flex;position:fixed;left:50%;transform:translate(-50%);box-shadow:0 6px 30px #0002}.read-aloud__dock[data-astro-cid-ekgkn4ti] span[data-astro-cid-ekgkn4ti]{max-width:12rem;font-size:.75rem}.read-aloud__dock[data-astro-cid-ekgkn4ti] button[data-astro-cid-ekgkn4ti]{white-space:nowrap}.read-aloud[data-astro-cid-ekgkn4ti] [data-astro-cid-ekgkn4ti][hidden]{display:none!important}@media (width<=600px){.read-aloud__dock[data-astro-cid-ekgkn4ti]{flex-wrap:wrap;justify-content:center;gap:.35rem;width:calc(100% - 1.5rem);padding:.5rem}.read-aloud__dock[data-astro-cid-ekgkn4ti] span[data-astro-cid-ekgkn4ti]{flex:1;min-width:6rem}.read-aloud__dock[data-astro-cid-ekgkn4ti] button[data-astro-cid-ekgkn4ti]{padding:.35rem .5rem;font-size:.75rem}.read-aloud__dock[data-astro-cid-ekgkn4ti] button[data-astro-cid-ekgkn4ti][data-reader-locate]{flex-basis:100%;order:4;min-height:32px}.read-aloud__transport[data-astro-cid-ekgkn4ti] button[data-astro-cid-ekgkn4ti]{font-size:.75rem}.read-aloud__transport[data-astro-cid-ekgkn4ti] button[data-astro-cid-ekgkn4ti][data-reader-stop]{flex-basis:100%}}@media print{.read-aloud[data-astro-cid-ekgkn4ti]{display:none}}.knowledge-figure[data-astro-cid-fnvxmc5b]{min-width:0;max-width:100%;margin:2rem 0 2.4rem;scroll-margin-top:6rem}.knowledge-figure__image[data-astro-cid-fnvxmc5b]{outline:1px solid var(--color-border);outline-offset:-1px;border-radius:14px;text-decoration:none;display:block;overflow:hidden}.knowledge-figure[data-astro-cid-fnvxmc5b] picture[data-astro-cid-fnvxmc5b]{display:block}.knowledge-figure[data-astro-cid-fnvxmc5b] img[data-astro-cid-fnvxmc5b]{border-radius:0;width:100%;max-width:100%;height:auto;margin:0;display:block}.knowledge-figure[data-astro-cid-fnvxmc5b] figcaption[data-astro-cid-fnvxmc5b]{gap:.45rem;margin:1rem 0 0;font-size:.8rem;line-height:1.8;display:grid;text-align:left!important}.knowledge-figure[data-astro-cid-fnvxmc5b] figcaption[data-astro-cid-fnvxmc5b] strong[data-astro-cid-fnvxmc5b]{color:var(--color-text);font-size:.9rem}.knowledge-figure[data-astro-cid-fnvxmc5b] figcaption[data-astro-cid-fnvxmc5b] a[data-astro-cid-fnvxmc5b]{color:var(--color-brand);justify-self:start;font-size:.75rem}.knowledge-figure__description[data-astro-cid-fnvxmc5b]{border:1px solid var(--color-border);border-radius:8px;margin-top:.8rem;padding:.6rem .85rem;font-size:.8rem;line-height:1.8}.knowledge-figure__description[data-astro-cid-fnvxmc5b] summary[data-astro-cid-fnvxmc5b]{cursor:pointer;color:var(--color-text-secondary)}.knowledge-figure__description[data-astro-cid-fnvxmc5b] p[data-astro-cid-fnvxmc5b]{color:var(--color-text-secondary);margin:.75rem 0 .15rem}@media (width<=600px){.knowledge-figure[data-astro-cid-fnvxmc5b]{margin-block:1.5rem}.knowledge-figure[data-astro-cid-fnvxmc5b] figcaption[data-astro-cid-fnvxmc5b]{font-size:.8rem}.knowledge-figure[data-astro-cid-fnvxmc5b] figcaption[data-astro-cid-fnvxmc5b] strong[data-astro-cid-fnvxmc5b]{font-size:.9rem}}.reading-ask-open[data-astro-cid-lvp7wev6]{font:inherit;color:var(--color-brand);border:1px solid var(--color-border);background:var(--color-surface);cursor:pointer;border-radius:8px;align-items:center;gap:2rem;margin-top:1rem;padding:.7rem 1rem;font-size:.85rem;display:flex}.reading-ask-hint[data-astro-cid-lvp7wev6]{color:var(--color-muted);margin:.5rem 0;font-size:.75rem;line-height:1.8}.reading-selection-button[data-astro-cid-lvp7wev6]{z-index:70;border:1px solid var(--color-border);background:var(--color-brand);color:var(--color-on-brand);font:inherit;cursor:pointer;border-radius:999px;max-width:calc(100vw - 2rem);padding:.8rem 1.2rem;font-size:.85rem;position:fixed;bottom:1.5rem;left:50%;transform:translate(-50%);box-shadow:0 4px 20px #00000026}.reading-ask-dialog[data-astro-cid-lvp7wev6]{border:0;border-left:1px solid var(--color-border);background:var(--color-bg);width:min(490px,100%);max-width:100%;height:100dvh;max-height:100dvh;color:var(--color-text);margin:0;padding:0;position:fixed;inset:0 0 0 auto;box-shadow:-10px 0 40px #00000014}.reading-ask-dialog[data-astro-cid-lvp7wev6]::backdrop{background:#0000002e}.reading-ask-dialog[data-astro-cid-lvp7wev6]>header[data-astro-cid-lvp7wev6]{z-index:2;border-bottom:1px solid var(--color-border);background:var(--color-surface);justify-content:space-between;align-items:flex-start;gap:1rem;padding:1.4rem 1.5rem;display:flex;position:sticky;top:0}.reading-ask-dialog[data-astro-cid-lvp7wev6] h2[data-astro-cid-lvp7wev6]{margin-top:.5rem;font-size:1.1rem;line-height:1.7}.reading-ask-dialog[data-astro-cid-lvp7wev6]>header[data-astro-cid-lvp7wev6]>button[data-astro-cid-lvp7wev6]{border:1px solid var(--color-border);color:var(--color-text);font:inherit;cursor:pointer;background:0 0;border-radius:50%;width:2rem;height:2rem}.reading-ask-dialog__body[data-astro-cid-lvp7wev6]{padding:1.5rem}.reading-selection-button[data-astro-cid-lvp7wev6][hidden]{display:none}@media (width<=600px){.reading-ask-dialog[data-astro-cid-lvp7wev6]>header[data-astro-cid-lvp7wev6],.reading-ask-dialog__body[data-astro-cid-lvp7wev6]{padding:1.2rem}}@layer base{.prose{--prose-color:color-mix(in srgb, var(--color-text) 82%, var(--color-bg));--emdash-caption-color:var(--color-muted);--emdash-break-color:var(--color-border);--emdash-break-dots-color:var(--color-muted);--emdash-pullquote-border:var(--color-border);--emdash-pullquote-color:var(--color-text);--emdash-pullquote-citation-color:var(--color-muted);--emdash-button-bg:var(--color-brand);--emdash-button-bg-hover:var(--color-brand-hover);--emdash-button-color:var(--color-on-brand);--emdash-file-bg:var(--color-surface);--emdash-file-border:var(--color-border);--emdash-file-color:var(--color-text);--emdash-file-icon-color:var(--color-muted);max-width:var(--content-width);font-size:var(--font-size-lg);color:var(--prose-color);overflow-wrap:break-word;line-height:1.75}.prose>*{margin-block:0}.prose>*+*{margin-block-start:1.25em}.prose>:is(h1,h2){margin-block-start:2em}.prose>:is(h3,h4,h5,h6){margin-block-start:1.75em}.prose>:is(h1,h2,h3,h4,h5,h6)+*{margin-block-start:.75em}.prose>:first-child{margin-block-start:0}.prose :is(h1,h2,h3,h4,h5,h6){color:var(--color-text);line-height:var(--leading-snug)}.prose h1{font-size:var(--font-size-3xl);line-height:var(--leading-tight)}.prose h2{font-size:var(--font-size-2xl)}.prose h3{font-size:var(--font-size-xl)}.prose h4{font-size:var(--font-size-lg)}.prose :is(h5,h6){font-size:var(--font-size-base)}.prose h6{color:var(--color-text-secondary)}.prose a:where(:not([class*=emdash])){color:var(--color-text);text-decoration-line:underline;text-decoration-thickness:1px;-webkit-text-decoration-color:color-mix(in srgb, currentColor 35%, transparent);text-decoration-color:color-mix(in srgb, currentColor 35%, transparent);-webkit-text-decoration-skip-ink:auto;text-decoration-skip-ink:auto;text-underline-offset:.2em}.prose a:where(:not([class*=emdash])):hover{text-decoration-color:currentColor}.prose :is(strong,b){color:var(--color-text);font-weight:600}.prose :is(sub,sup){font-size:.75em;line-height:0}.prose :not(pre)>code{border-radius:var(--radius-sm);background:var(--color-fill);color:var(--color-text);font-family:var(--font-mono);-webkit-box-decoration-break:clone;box-decoration-break:clone;padding:.15em .35em;font-size:.85em}.prose :is(ul,ol){padding-inline-start:1.5em}.prose li{padding-inline-start:.25em}.prose li+li,.prose li>:is(ul,ol){margin-block-start:.5em}.prose li::marker{color:var(--color-muted);font-variant-numeric:tabular-nums}.prose blockquote:where(:not([class*=emdash])){border-inline-start:2px solid var(--color-border-strong);color:var(--color-text);padding-inline-start:1.25em}.prose blockquote>*+*{margin-block-start:.75em}.prose hr{border:0;border-block-start:1px solid var(--color-border);margin-block:2.5em}.prose img{border-radius:var(--radius-lg)}.prose :is(figure>img,figure>a>img,.emdash-gallery-item img){outline:1px solid var(--color-media-outline);outline-offset:-1px}.prose figcaption{color:var(--color-muted);font-size:var(--font-size-sm);line-height:var(--leading-normal);text-align:center;margin-block-start:.75em}.prose :is(.emdash-embed-video,.emdash-iframe),.prose .emdash-video video{border-radius:var(--radius-lg);background:var(--color-fill);overflow:hidden}.prose .emdash-table-wrapper{--color-surface:var(--color-fill);--color-bg-subtle:color-mix(in srgb, var(--color-fill) 50%, transparent)}@media (width<=640px){.prose{font-size:1.0625rem;line-height:1.7}}}.prose .emdash-code pre{border-radius:var(--radius-lg)!important;background:var(--color-fill)!important;padding:1rem 1.25rem!important}.prose .emdash-code-filename+pre{border-radius:0 0 var(--radius-lg) var(--radius-lg)!important}.prose .emdash-code code{line-height:1.7;color:var(--color-text)!important;font-family:var(--font-mono)!important;font-size:var(--font-size-sm)!important}.prose .emdash-code-filename{border-block-end:1px solid var(--color-border);border-radius:var(--radius-lg) var(--radius-lg) 0 0!important;background:var(--color-fill-strong)!important;color:var(--color-text-secondary)!important;font-family:var(--font-mono)!important;padding:.5rem 1.25rem!important}.prose .emdash-button{border-radius:var(--radius-full)!important}.prose .emdash-file{border-radius:var(--radius-lg)!important}.reading-head[data-astro-cid-2mdfafb7]{max-width:960px}.reading-head[data-astro-cid-2mdfafb7] h1[data-astro-cid-2mdfafb7]{margin-block:1rem;font-size:clamp(1.9rem,3.3vw,2.8rem);line-height:1.4}.reading-head[data-astro-cid-2mdfafb7] .intro__lead[data-astro-cid-2mdfafb7]{max-width:46rem;font-size:1rem;line-height:1.9}.reading-meta[data-astro-cid-2mdfafb7]{color:var(--color-text-secondary);flex-wrap:wrap;gap:.7rem 1.5rem;margin-top:1.2rem;font-size:.8rem;display:flex}.reading-meta[data-astro-cid-2mdfafb7] a[data-astro-cid-2mdfafb7]{color:var(--color-brand)}.reading-layout[data-astro-cid-2mdfafb7]{grid-template-columns:15rem minmax(0,680px);justify-content:space-between;align-items:start;gap:3rem;display:grid}.reading-toc[data-astro-cid-2mdfafb7]{top:calc(var(--header-height,var(--nav-height)) + 1rem);max-height:calc(100vh - var(--header-height,var(--nav-height)) - 2rem);font-size:.8rem;line-height:1.8;position:sticky;overflow:auto}.reading-toc[data-astro-cid-2mdfafb7] summary[data-astro-cid-2mdfafb7]{cursor:pointer;padding:.5rem 0;font-weight:600}.reading-toc[data-astro-cid-2mdfafb7] ol[data-astro-cid-2mdfafb7]{margin:.8rem 0;padding:0;list-style:none}.reading-toc[data-astro-cid-2mdfafb7] li[data-astro-cid-2mdfafb7]{border-bottom:1px solid var(--color-border)}.reading-toc[data-astro-cid-2mdfafb7] a[data-astro-cid-2mdfafb7]{padding:.5rem 0;text-decoration:none;display:block}.reading-toc[data-astro-cid-2mdfafb7] li[data-astro-cid-2mdfafb7].nested{padding-left:.9rem;font-size:.75rem}.reading-back[data-astro-cid-2mdfafb7]{color:var(--color-brand)}.reading-main[data-astro-cid-2mdfafb7]{min-width:0}.prose[data-astro-cid-2mdfafb7] h2,.prose[data-astro-cid-2mdfafb7] h3{scroll-margin-block-start:calc(var(--header-height,var(--nav-height)) + 1.5rem)}.reading-neighbors[data-astro-cid-2mdfafb7]{grid-template-columns:1fr 1fr;gap:.8rem;margin-top:3rem;display:grid}.reading-neighbors[data-astro-cid-2mdfafb7] a[data-astro-cid-2mdfafb7]{border:1px solid var(--color-border);border-radius:10px;gap:.65rem;padding:1.2rem;line-height:1.7;text-decoration:none;display:grid}.reading-neighbors[data-astro-cid-2mdfafb7] small[data-astro-cid-2mdfafb7]{color:var(--color-brand);font-size:.75rem}.reading-neighbors[data-astro-cid-2mdfafb7] strong[data-astro-cid-2mdfafb7]{font-size:.95rem}.reading-help[data-astro-cid-2mdfafb7]{color:var(--color-text-secondary);margin-top:1.5rem;font-size:.85rem;line-height:1.8}.reading-video[data-astro-cid-2mdfafb7]{border:1px solid var(--color-border);border-radius:12px;margin-bottom:2rem;padding:1.2rem}.reading-video[data-astro-cid-2mdfafb7] h2[data-astro-cid-2mdfafb7]{margin:.7rem 0;font-size:1.05rem;line-height:1.6}.video-stage[data-astro-cid-2mdfafb7]{aspect-ratio:16/9;background:var(--color-fill);border-radius:8px;place-items:center;display:grid;overflow:hidden}.video-stage[data-astro-cid-2mdfafb7] button[data-astro-cid-2mdfafb7]{font:inherit;border:1px solid var(--color-border);color:var(--color-brand);background:var(--color-surface);cursor:pointer;border-radius:8px;padding:.8rem 1rem;font-size:.85rem}.video-stage[data-astro-cid-2mdfafb7] iframe{border:0;width:100%;height:100%}.reading-video[data-astro-cid-2mdfafb7] p[data-astro-cid-2mdfafb7]:last-child{color:var(--color-text-secondary);margin-top:1rem;font-size:.8rem;line-height:1.8}@media (width<=900px){.reading-layout[data-astro-cid-2mdfafb7]{grid-template-columns:1fr;gap:1.5rem}.reading-toc[data-astro-cid-2mdfafb7]{border:1px solid var(--color-border);border-radius:10px;max-height:none;padding:.7rem 1rem;position:static}.reading-toc[data-astro-cid-2mdfafb7] ol[data-astro-cid-2mdfafb7]{max-height:17rem;overflow:auto}.reading-main[data-astro-cid-2mdfafb7]{width:100%}}@media (width<=500px){.reading-neighbors[data-astro-cid-2mdfafb7]{grid-template-columns:1fr}.reading-video[data-astro-cid-2mdfafb7]{padding:.8rem}.reading-toc[data-astro-cid-2mdfafb7] a[data-astro-cid-2mdfafb7]{min-height:38px}}.course-head[data-astro-cid-tvjcrm6u]{max-width:960px}.course-head[data-astro-cid-tvjcrm6u] h1[data-astro-cid-tvjcrm6u]{margin:1rem 0;font-size:clamp(1.9rem,3.3vw,2.8rem);line-height:1.4}.original-title[data-astro-cid-tvjcrm6u]{color:var(--color-muted);font-size:.85rem;line-height:1.7}.course-head[data-astro-cid-tvjcrm6u] .intro__lead[data-astro-cid-tvjcrm6u]{max-width:45rem;margin-top:1.4rem;font-size:1rem;line-height:1.9}.course-state[data-astro-cid-tvjcrm6u]{color:var(--color-brand);margin-top:1.3rem;font-size:.85rem;line-height:1.8}.course-layout[data-astro-cid-tvjcrm6u]{grid-template-columns:15rem minmax(0,680px);justify-content:space-between;gap:3rem;display:grid}.course-aside[data-astro-cid-tvjcrm6u]{flex-direction:column;align-items:stretch;gap:.9rem;font-size:.83rem;line-height:1.8;display:flex}.course-aside[data-astro-cid-tvjcrm6u] a[data-astro-cid-tvjcrm6u]{border-bottom:1px solid var(--color-border);padding:.5rem 0;text-decoration:none}.course-main[data-astro-cid-tvjcrm6u]{min-width:0}.prose[data-astro-cid-tvjcrm6u] h2:first-child{margin-top:0}.course-readings[data-astro-cid-tvjcrm6u]{border-top:1px solid var(--color-border);margin-top:3rem;padding-top:2rem}.course-readings[data-astro-cid-tvjcrm6u]>h2[data-astro-cid-tvjcrm6u]{margin:1rem 0;font-size:1.5rem}.course-readings[data-astro-cid-tvjcrm6u] ol[data-astro-cid-tvjcrm6u]{list-style:none}.course-readings[data-astro-cid-tvjcrm6u] li[data-astro-cid-tvjcrm6u]{border-top:1px solid var(--color-border);grid-template-columns:2rem minmax(0,1fr);gap:1rem;padding:1.4rem 0;display:grid}.reading-number[data-astro-cid-tvjcrm6u]{font:.9rem var(--font-mono);color:var(--color-muted);padding-top:.5rem}.course-readings[data-astro-cid-tvjcrm6u] h3[data-astro-cid-tvjcrm6u]{font-size:1.15rem;line-height:1.7}.course-readings[data-astro-cid-tvjcrm6u] h3[data-astro-cid-tvjcrm6u] a[data-astro-cid-tvjcrm6u]{text-decoration:none}.course-readings[data-astro-cid-tvjcrm6u] p[data-astro-cid-tvjcrm6u]{color:var(--color-text-secondary);margin:.7rem 0;font-size:.9rem;line-height:1.9}.course-readings[data-astro-cid-tvjcrm6u] small[data-astro-cid-tvjcrm6u]{color:var(--color-muted);font-size:.75rem}@media (width<=900px){.course-layout[data-astro-cid-tvjcrm6u]{grid-template-columns:1fr;gap:1.5rem}.course-aside[data-astro-cid-tvjcrm6u]{border:1px solid var(--color-border);border-radius:10px;gap:.5rem;padding:1.2rem}}