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#2b29261a;border-radius:999px;padding:8px 14px;font-family:system-ui,-apple-system,PingFang SC,sans-serif;font-size:12.5px;position:fixed;bottom:26px;right:20px;box-shadow:0 6px 18px #2b29261f}.cnav-open:hover{color:var(--accent)}@media (width<=1440px){.reader-grid.reader-grid.has-cnav{grid-template-columns:clamp(190px, 13vw, 236px) minmax(0, 1fr) var(--cnav-w,330px)}}@media (width<=1180px){.reader-grid.reader-grid.has-cnav{grid-template-columns:clamp(190px,21vw,240px) minmax(0,1fr)}.reader-grid.reader-grid.has-cnav .cnav{grid-column:1/-1;height:auto;max-height:460px;margin-top:8px;position:static}.cnav-resizer{display:none}.cnav-list{max-height:340px}}@media (width<=860px){.reader-shell{padding:0 14px 72px}.reader-grid,.reader-grid.reader-grid.has-cnav{grid-template-columns:minmax(0,1fr);gap:14px}.toc{height:auto;max-height:260px;padding:12px 12px 8px;position:static}.toc-head h2{font-size:15px}.content{min-width:0}.reader-grid.reader-grid.has-cnav 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#2b29260a}.toc[data-astro-cid-xic5pxzo]::-webkit-scrollbar{width:6px}.toc[data-astro-cid-xic5pxzo]::-webkit-scrollbar-thumb{background:var(--line);border-radius:3px}.toc-head[data-astro-cid-xic5pxzo]{background:var(--surface-brand);color:var(--brand-on-sky);border-radius:15px 15px 0 0;margin:-16px -6px 12px -14px;padding:16px 12px 12px 14px}.toc-head[data-astro-cid-xic5pxzo] h2[data-astro-cid-xic5pxzo]{letter-spacing:3px;color:var(--brand-on-sky);margin:0 0 6px;font-size:20px}.toc-meta[data-astro-cid-xic5pxzo]{color:var(--brand-on-sky-soft);font-size:12px}.toc-meta[data-astro-cid-xic5pxzo] span[data-astro-cid-xic5pxzo]{margin-right:3px}.toc-front[data-astro-cid-xic5pxzo]{margin:0 0 8px;padding:0 10px 0 0}.toc-front[data-astro-cid-xic5pxzo] summary[data-astro-cid-xic5pxzo]{color:var(--ink-soft);cursor:pointer;padding:5px 0;font-size:12.5px;list-style:none}.toc-front[data-astro-cid-xic5pxzo] summary[data-astro-cid-xic5pxzo]:before{content:"▸ "}.toc-front[data-astro-cid-xic5pxzo][open] 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var(--line);background:var(--white);min-width:44px;min-height:34px;color:var(--ink);letter-spacing:.5px;border-radius:6px;justify-content:center;align-items:center;padding:0 10px;font-size:15px;font-weight:700;list-style:none;display:inline-flex}.reader-prefs[data-astro-cid-xic5pxzo]>summary[data-astro-cid-xic5pxzo]::-webkit-details-marker{display:none}.reader-prefs[data-astro-cid-xic5pxzo]>summary[data-astro-cid-xic5pxzo]:hover,.reader-prefs[data-astro-cid-xic5pxzo][open]>summary[data-astro-cid-xic5pxzo]{border-color:var(--cinnabar);color:var(--cinnabar)}.rp-panel[data-astro-cid-xic5pxzo]{z-index:40;background:var(--white);border:1px solid var(--line);border-radius:12px;width:min(340px,100vw - 36px);padding:14px;font-family:system-ui,-apple-system,PingFang SC,sans-serif;position:absolute;top:calc(100% + 8px);right:0;box-shadow:0 14px 34px 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