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(width<=1400px){.post-paper{width:clamp(36rem,64vw,52rem)}.post-sidebar{--toc-drawer-width:14.5rem}}@media (width<=1200px){.post-paper{width:clamp(33rem,66vw,45rem)}.post-sidebar{width:12.8rem;right:.9rem}}@media (width<=1279px){.post-reading-stage{width:100%}.post-paper{border-radius:1rem;width:100%;max-width:100%;padding:1.5rem .9rem 5.5rem;box-shadow:0 12px 30px #0f172a0d}.post-sidebar{display:none}.mobile-toc-trigger{display:inline-flex}.mobile-toc-sheet{z-index:80;opacity:0;pointer-events:none;transition:opacity var(--transition-base);display:block;position:fixed;inset:0}.mobile-toc-sheet.open{opacity:1;pointer-events:auto}.mobile-toc-backdrop{background:#0f172a38;position:absolute;inset:0}.mobile-toc-panel{backdrop-filter:blur(16px);max-height:72vh;transition:transform var(--transition-base);background:#fffffffa;border-radius:1.25rem 1.25rem 0 0;padding:.8rem .9rem 1.4rem;position:absolute;bottom:0;left:0;right:0;transform:translateY(100%);box-shadow:0 -10px 30px #0f172a1f}.mobile-toc-sheet.open .mobile-toc-panel{transform:translateY(0)}html[data-theme=dark] .mobile-toc-backdrop{background:#02060e8f}html[data-theme=dark] .mobile-toc-panel{background:#161b27fa;box-shadow:0 -10px 30px #0000004d}.mobile-toc-header{font-family:var(--font-mono);color:var(--muted-foreground);justify-content:space-between;align-items:center;padding:.35rem .2rem .85rem;font-size:.74rem;display:flex}.mobile-toc-header button{color:inherit;background:0 0;border:0;font-size:1rem}.toc-nav-mobile{max-height:calc(72vh - 3rem);padding-right:.2rem}.post-header h1{letter-spacing:-.045em;max-width:100%;font-size:clamp(2.05rem,9.4vw,3rem);line-height:1.08}.post-header .summary{max-width:100%;font-size:.98rem;line-height:1.9}.content p,.content li{font-size:.98rem;line-height:1.95}.content h2{font-size:1.35rem}.content h3{font-size:1.12rem}.back-to-top{left:auto;right:.9rem;bottom:max(5.4rem, env(safe-area-inset-bottom,0px) + 5.4rem);z-index:120}.back-to-top.visible{opacity:1!important;pointer-events:auto!important;transform:translateY(0)!important}}@media (width<=640px){.back-link{margin-bottom:1.5rem;font-size:.68rem}.post-header{margin-bottom:1.9rem}.meta{gap:.55rem;font-size:.64rem;line-height:1.6}.post-header .summary{font-size:.94rem}.content p,.content li{font-size:.95rem;line-height:1.9}.content figure{margin:1.15rem auto}.content table{font-size:.85rem}}