.giscus-wrapper[data-astro-cid-an2nl7ar]{margin-top:4rem;max-width:100%}.giscus-divider[data-astro-cid-an2nl7ar]{border:0;height:1px;background:linear-gradient(to right,var(--color-border),transparent);margin-bottom:2rem}.giscus-title[data-astro-cid-an2nl7ar]{font-size:1.5rem;font-weight:700;margin-bottom:2rem;color:var(--color-text)}#giscus-container[data-astro-cid-an2nl7ar]{min-height:200px}.share-fab-container[data-astro-cid-mk3phz4d]{position:fixed;bottom:140px;right:20px;z-index:900}.share-fab-main[data-astro-cid-mk3phz4d]{width:44px;height:44px;border-radius:50%;background:var(--color-bg-card);border:1px solid var(--color-border);color:var(--color-text);display:flex;align-items:center;justify-content:center;cursor:pointer;box-shadow:0 4px 12px #0000001a;transition:all .3s cubic-bezier(.4,0,.2,1)}.share-fab-main[data-astro-cid-mk3phz4d]:hover{border-color:var(--color-accent);color:var(--color-accent);transform:translateY(-2px)}.share-fab-main[data-astro-cid-mk3phz4d].active{background:var(--color-accent);color:#fff;transform:rotate(45deg)}.share-fab-menu[data-astro-cid-mk3phz4d]{position:absolute;bottom:100%;right:0;margin-bottom:1rem;display:flex;flex-direction:column;gap:.75rem;opacity:0;visibility:hidden;transform:translateY(10px);transition:all .3s cubic-bezier(.4,0,.2,1)}.share-fab-menu[data-astro-cid-mk3phz4d].active{opacity:1;visibility:visible;transform:translateY(0)}.share-fab-item[data-astro-cid-mk3phz4d]{width:40px;height:40px;border-radius:50%;background:var(--color-bg-card);border:1px solid var(--color-border);color:var(--color-text-muted);display:flex;align-items:center;justify-content:center;cursor:pointer;transition:all .2s;text-decoration:none;position:relative}.share-fab-item[data-astro-cid-mk3phz4d]:hover{border-color:var(--color-accent);color:var(--color-accent);transform:scale(1.1)}.share-copy[data-astro-cid-mk3phz4d]{position:relative}.copy-tooltip[data-astro-cid-mk3phz4d]{position:absolute;right:50px;top:50%;transform:translateY(-50%);background:var(--color-text);color:var(--color-bg);padding:.25rem .5rem;border-radius:4px;font-size:.75rem;white-space:nowrap;opacity:0;visibility:hidden;transition:all .2s}.copy-tooltip[data-astro-cid-mk3phz4d].show{opacity:1;visibility:visible;right:55px}@media(max-width:768px){.share-fab-container[data-astro-cid-mk3phz4d]{bottom:130px;right:15px;display:none}}.mermaid-container{margin:1.5rem 0;padding:1rem;border-radius:12px;background:var(--color-bg-secondary, #1e1e2e);border:1px solid var(--color-border, #333);overflow-x:auto;-webkit-overflow-scrolling:touch}.mermaid-container svg{display:block;margin:0 auto;max-width:100%;height:auto}.mermaid-container .mermaid-source{display:none}.mermaid-loading{text-align:center;padding:2rem;color:var(--color-text-muted, #888);font-size:.85rem}@media(max-width:640px){.mermaid-container{margin:1rem -.5rem;padding:.75rem;border-radius:8px}}.post-hero{position:relative;min-height:360px;display:flex;align-items:flex-end;overflow:hidden}.post-hero-img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}.post-hero-gradient{position:absolute;inset:0;background:var(--hero-gradient)}.hero-dots{position:absolute;inset:0;opacity:.07;background-image:radial-gradient(circle,rgba(255,255,255,.8) 1px,transparent 1px);background-size:24px 24px}.hero-glow{position:absolute;inset:0;background:radial-gradient(circle at 20% 50%,rgba(255,255,255,.15) 0%,transparent 50%),radial-gradient(circle at 80% 30%,rgba(255,255,255,.1) 0%,transparent 40%)}.post-hero-overlay{position:absolute;inset:0;background:linear-gradient(to top,#000000a6,#00000040,#00000026)}.post-hero-content{position:relative;z-index:1;padding-top:4rem;padding-bottom:2.5rem;color:#fff}.back-link{display:inline-flex;align-items:center;gap:.35rem;color:#ffffffb3;font-size:.85rem;margin-bottom:1.5rem;transition:color .2s}.back-link:hover{color:#fff}.post-meta{display:flex;align-items:center;gap:.5rem;color:#ffffffbf;font-size:.85rem}.meta-sep{opacity:.5}.post-hero-content h1{color:#fff;margin:.5rem 0 .75rem;font-size:2.5rem;max-width:720px;line-height:1.2}.post-hero-desc{color:#ffffffbf;font-size:1rem;max-width:600px;line-height:1.6;margin-bottom:1rem}.language-switcher-link{display:inline-flex;align-items:center;gap:.35rem;color:#ffffffd9;font-size:.8rem;font-weight:500;text-decoration:none;background:#ffffff1f;border:1px solid rgba(255,255,255,.2);border-radius:999px;padding:.25rem .75rem;backdrop-filter:blur(4px);transition:all .2s ease;white-space:nowrap}.language-switcher-link:hover{background:#ffffff38;border-color:#fff6;color:#fff;transform:translateY(-1px)}.language-switcher-link svg{flex-shrink:0;opacity:.9}.tag-hero{background:#ffffff26;color:#fff;backdrop-filter:blur(4px);border:1px solid rgba(255,255,255,.15)}.tags{display:flex;flex-wrap:wrap;gap:.4rem}.tag-link{text-decoration:none;transition:all .2s}.tag-link:hover{background:#ffffff40;color:#fff}.svg-hero-section{padding-top:2rem;padding-bottom:0}.svg-hero-figure{margin:0;background:var(--color-bg-card);border:1px solid var(--color-border);border-radius:var(--radius);padding:1.5rem;overflow-x:auto}.svg-hero-img{display:block;width:100%;height:auto;max-height:500px;object-fit:contain}.post-layout{display:grid;grid-template-columns:1fr;gap:2rem}@media(min-width:1100px){.post-layout{grid-template-columns:1fr 220px;gap:3rem;transition:grid-template-columns .3s cubic-bezier(.4,0,.2,1)}.post-layout.toc-collapsed{grid-template-columns:1fr 0px;gap:0}.post-layout.toc-collapsed .prose,.post-layout.toc-collapsed .share-section,.post-layout.toc-collapsed .export-section{max-width:none}}.post-layout-wrapper{position:relative}.toc-expand-btn{position:sticky;top:5.5rem;left:100%;z-index:10;display:none;align-items:center;justify-content:center;width:32px;height:32px;background:var(--color-bg-card);border:1px solid var(--color-border);border-radius:50%;color:var(--color-text-muted);cursor:pointer;transition:all .2s;margin-left:-16px;box-shadow:0 4px 12px #0000001a}.toc-expand-btn:hover{color:var(--color-accent);border-color:var(--color-accent);transform:scale(1.1)}@media(min-width:1100px){.toc-collapsed .toc-expand-btn{display:flex}}.post-content{min-width:0}:global(.code-block-wrapper){position:relative}:global(.code-block-wrapper:hover .copy-code-btn),:global(.copy-code-btn:focus-visible){opacity:1;transform:translateY(0)}:global(.copy-code-btn){position:absolute;top:.6rem;right:.6rem;display:inline-flex;align-items:center;gap:.3rem;padding:.3rem .6rem;background:#ffffff14;border:1px solid rgba(255,255,255,.12);border-radius:6px;color:#ffffffa6;font-size:.72rem;font-family:var(--font-sans, sans-serif);font-weight:500;letter-spacing:.02em;cursor:pointer;opacity:0;transform:translateY(-2px);transition:opacity .15s ease,transform .15s ease,background .15s ease,color .15s ease,border-color .15s ease;z-index:10;backdrop-filter:blur(4px);line-height:1;white-space:nowrap}:global(.copy-code-btn:hover){background:#ffffff26;border-color:#ffffff40;color:#fff}:global(.copy-code-btn.copied){background:#10b98126;border-color:#10b98166;color:#10b981;opacity:1}:global(.copy-code-btn .copy-icon){flex-shrink:0}:global(html:not(.dark) .copy-code-btn){background:#0000000d;border-color:#0000001f;color:#00000080}:global(html:not(.dark) .copy-code-btn:hover){background:#0000001a;border-color:#0003;color:#000000d9}:global(.mermaid-diagram){overflow-x:auto;padding:1.5rem;margin:1.5rem 0;background:var(--color-bg-card, #f8fafc);border:1px solid var(--color-border, #e2e8f0);border-radius:12px;text-align:center;position:relative;transition:box-shadow .2s,border-color .2s}:global([data-theme=dark] .mermaid-diagram){background:#1b1e2d}:global([data-theme=light] .mermaid-diagram){background:#f8fafc}:global(.mermaid-diagram:hover){box-shadow:0 4px 20px #60a5fa1a;border-color:var(--color-accent, #60a5fa)}:global(.mermaid-diagram svg){max-width:100%;height:auto;min-height:120px}:global(.mermaid-zoom-hint){position:absolute;top:8px;right:10px;font-size:11px;color:var(--color-primary, #3b82f6);opacity:0;transition:opacity .2s;pointer-events:none;background:var(--color-bg, #fff);padding:2px 7px;border-radius:99px;border:1px solid currentColor;font-family:system-ui,sans-serif}:global(.mermaid-diagram:hover .mermaid-zoom-hint){opacity:1}.tag-overflow{opacity:.65;cursor:default;pointer-events:none}.learnings-section{padding-top:0;padding-bottom:0}.learnings-callout{border:1px solid rgba(var(--color-accent-rgb, 99, 102, 241),.35);border-left:4px solid var(--color-accent);border-radius:10px;padding:1rem 1.25rem 1.1rem;background:rgba(var(--color-accent-rgb, 99, 102, 241),.05);margin:1.5rem 0 .5rem}.learnings-header{display:flex;align-items:center;gap:.5rem;font-size:.78rem;font-weight:700;text-transform:uppercase;letter-spacing:.06em;color:var(--color-accent);margin-bottom:.65rem}.learnings-list{list-style:none;padding:0;margin:0;display:flex;flex-direction:column;gap:.4rem}.learnings-item{font-size:.88rem;color:var(--color-text);padding-left:1.1rem;position:relative;line-height:1.5}.learnings-item:before{content:"✓";position:absolute;left:0;color:var(--color-accent);font-weight:700;font-size:.8rem}.series-nav{margin:2rem 0 1.5rem;border:1px solid var(--color-border);border-radius:12px;overflow:hidden;background:var(--color-bg-secondary, rgba(255, 255, 255, .03))}.series-nav-header{display:flex;align-items:center;gap:.5rem;padding:.65rem 1rem;border-bottom:1px solid var(--color-border);font-size:.75rem;font-weight:600;letter-spacing:.04em;color:var(--color-text-muted);background:var(--color-bg-secondary, rgba(255, 255, 255, .02))}.series-nav-label{color:var(--color-text-muted)}.series-nav-links{display:grid;grid-template-columns:1fr 1fr;gap:0}.series-nav-link{display:flex;flex-direction:column;gap:.25rem;padding:.85rem 1rem;text-decoration:none;transition:background .15s;border-radius:0}.series-nav-link:hover{background:rgba(var(--color-accent-rgb, 99, 102, 241),.06)}.series-nav-prev{border-right:1px solid var(--color-border)}.series-nav-next{text-align:right;align-items:flex-end}.series-nav-dir{font-size:.7rem;font-weight:600;text-transform:uppercase;letter-spacing:.06em;color:var(--color-accent)}.series-nav-title{font-size:.82rem;font-weight:500;color:var(--color-text);line-height:1.35;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}.mobile-toc-btn{display:none!important}.mobile-action-bar{display:none}@media(max-width:768px){.reading-mode-fab,.scroll-progress-btn,.share-fab-container{display:none!important}.mobile-action-bar{display:flex;position:fixed;bottom:0;left:0;right:0;z-index:400;background:var(--color-bg, #18181b);border-top:1px solid var(--color-border);padding:.35rem 0 env(safe-area-inset-bottom,.35rem);justify-content:space-around;align-items:center;transform:translateY(0);transition:transform .28s cubic-bezier(.4,0,.2,1)}.mobile-action-bar.bar-hidden{transform:translateY(110%)}.mab-btn{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:.2rem;flex:1;padding:.4rem 0;background:none;border:none;color:var(--color-text-muted);cursor:pointer;font-family:var(--font-sans);transition:color .15s;-webkit-tap-highlight-color:transparent}.mab-btn:active,.mab-btn.active{color:var(--color-accent)}.mab-label{font-size:.62rem;font-weight:500;letter-spacing:.01em}article{padding-bottom:4.5rem}}.mobile-toc-overlay{display:none;position:fixed;inset:0;background:#00000073;z-index:300;align-items:flex-end}.mobile-toc-overlay.open{display:flex}.mobile-toc-sheet{width:100%;max-height:70vh;background:var(--color-bg, #18181b);border-top:1px solid var(--color-border);border-radius:20px 20px 0 0;padding:.75rem 1.25rem 2rem;overflow-y:auto;transform:translateY(100%);transition:transform .28s cubic-bezier(.32,.72,0,1)}.mobile-toc-overlay.open .mobile-toc-sheet{transform:translateY(0)}.mobile-toc-handle{width:36px;height:4px;background:var(--color-border);border-radius:99px;margin:0 auto .75rem}.mobile-toc-heading{font-size:.75rem;font-weight:700;text-transform:uppercase;letter-spacing:.06em;color:var(--color-text-muted);margin-bottom:.75rem}.mobile-toc-list{list-style:none;padding:0;margin:0;display:flex;flex-direction:column;gap:.1rem}.mobile-toc-item{display:block;padding:.45rem .5rem;border-radius:6px;color:var(--color-text);font-size:.88rem;text-decoration:none;transition:background .15s,color .15s}.mobile-toc-item:hover{background:rgba(var(--color-accent-rgb, 99, 102, 241),.08);color:var(--color-accent)}.mobile-depth-3 .mobile-toc-item{padding-left:1.25rem;font-size:.82rem;color:var(--color-text-muted)}.toc-sidebar{display:none}@media(min-width:1100px){.toc-sidebar{display:block}}.toc-sticky{position:sticky;top:5.5rem;transition:all .3s ease}.toc-sidebar.collapsed .toc-sticky{opacity:0;pointer-events:none;transform:translate(20px)}.toc-header{display:flex;align-items:center;justify-content:space-between;font-size:.75rem;font-weight:600;text-transform:uppercase;letter-spacing:.06em;color:var(--color-text-muted);margin-bottom:.75rem;padding-bottom:.5rem;border-bottom:1px solid var(--color-border)}.toc-header-title{display:flex;align-items:center;gap:.4rem}.toc-toggle-btn{display:flex;align-items:center;justify-content:center;width:24px;height:24px;background:none;border:1px solid transparent;border-radius:4px;color:var(--color-text-muted);cursor:pointer;transition:all .2s;padding:0}.toc-toggle-btn:hover{background:var(--color-bg-secondary);color:var(--color-text);border-color:var(--color-border)}.toc-list{list-style:none;padding:0;margin:0}.toc-list li{margin:0;position:relative}.toc-list li:before{content:"";position:absolute;left:0;top:0;bottom:0;width:2px;background:var(--color-border);border-radius:1px}.toc-list li.active:before{background:var(--color-accent)}.toc-list a{display:block;padding:.3rem 0 .3rem .85rem;color:var(--color-text-muted);font-size:.78rem;line-height:1.4;text-decoration:none;transition:color .2s}.toc-list a:hover{color:var(--color-text)}.toc-list li.active a{color:var(--color-accent);font-weight:500}.toc-depth-3 a{padding-left:1.5rem;font-size:.74rem}.toc-progress{margin-top:.75rem;height:2px;background:var(--color-border);border-radius:1px;overflow:hidden}.toc-progress-bar{height:100%;width:0%;background:var(--color-accent);transition:width .1s;border-radius:1px}.prose pre,.code-block-wrapper{position:relative;margin:1.5rem 0}.code-block-wrapper pre{margin:0}.copy-code-btn{position:absolute;top:.75rem;right:.75rem;display:flex;align-items:center;justify-content:center;width:32px;height:32px;background:#ffffff0d;backdrop-filter:blur(4px);border:1px solid rgba(255,255,255,.1);border-radius:6px;color:#ffffff80;cursor:pointer;opacity:0;transition:all .2s;z-index:10}.code-block-wrapper:hover .copy-code-btn{opacity:1}.copy-code-btn:hover{background:#ffffff26;color:#fff;border-color:#ffffff4d}.copy-code-btn.copied{border-color:#10b981;background:#10b9811a}body.rm-theme-sepia .code-block-wrapper pre,body.rm-theme-sand .code-block-wrapper pre,body.rm-theme-light .code-block-wrapper pre{border:1px solid var(--color-border)}.share-section{display:flex;align-items:center;gap:.75rem;margin-top:3rem;padding-top:1.5rem;border-top:1px solid var(--color-border);max-width:72ch}.share-label{font-size:.85rem;color:var(--color-text-muted);font-weight:500}.share-buttons{display:flex;gap:.5rem}.share-btn{display:flex;align-items:center;justify-content:center;width:36px;height:36px;background:var(--color-bg-card);border:1px solid var(--color-border);border-radius:var(--radius);color:var(--color-text-muted);cursor:pointer;transition:all .2s;text-decoration:none;font-family:var(--font-sans)}.share-btn:hover{color:var(--color-accent);border-color:var(--color-accent)}.share-btn.copied{color:#10b981;border-color:#10b981}.related-posts{margin-top:3rem;padding-top:2rem;border-top:1px solid var(--color-border)}.related-title{font-size:1.25rem;margin-bottom:1rem}.related-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(250px,1fr));gap:1rem}.related-card{display:flex;flex-direction:column;gap:.35rem;padding:1rem 1.25rem;background:var(--color-bg-card);border:1px solid var(--color-border);border-radius:var(--radius);text-decoration:none;transition:border-color .2s,transform .2s}.related-card:hover{border-color:var(--color-accent);transform:translateY(-2px)}.related-card-title{font-weight:600;font-size:.9rem;color:var(--color-text)}.related-card-desc{font-size:.8rem;color:var(--color-text-muted);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}.export-section{display:flex;align-items:center;gap:.75rem;margin-top:1rem;max-width:72ch}.export-label{font-size:.85rem;color:var(--color-text-muted);font-weight:500}.export-buttons{display:flex;gap:.5rem}.export-btn{display:inline-flex;align-items:center;gap:.4rem;padding:.45rem .85rem;background:var(--color-bg-card);border:1px solid var(--color-border);border-radius:var(--radius);color:var(--color-text-muted);cursor:pointer;font-size:.8rem;font-weight:500;font-family:var(--font-sans);transition:all .2s}.export-btn:hover{color:var(--color-accent);border-color:var(--color-accent)}.export-btn:disabled{opacity:.6;cursor:wait}.medium-zoom-overlay{z-index:9000!important;background:#0a0a1aed!important;backdrop-filter:blur(4px)}.medium-zoom-image{transition:transform .35s cubic-bezier(.2,0,.2,1)!important}.medium-zoom-image--opened{z-index:9001!important;box-shadow:0 24px 80px #000000b3!important;border-radius:4px!important;outline:none!important}.prose img{cursor:zoom-in;border-radius:8px;transition:transform .2s,box-shadow .2s}.prose img:hover{transform:translateY(-2px);box-shadow:0 8px 32px #0006}.svg-hero-img{cursor:zoom-in;transition:opacity .2s}.svg-hero-img:hover{opacity:.92}.lightbox-overlay{position:fixed;inset:0;z-index:9999;background:#000000eb;display:flex;align-items:center;justify-content:center;opacity:0;visibility:hidden;transition:opacity .25s,visibility .25s}.lightbox-overlay.active{opacity:1;visibility:visible}.lightbox-close{position:fixed;top:1rem;right:1rem;z-index:10001;width:44px;height:44px;border:none;background:#ffffff1a;color:#fff;font-size:1.5rem;border-radius:50%;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:background .2s;backdrop-filter:blur(4px)}.lightbox-close:hover{background:#ffffff40}.lightbox-controls{position:fixed;bottom:1.5rem;left:50%;transform:translate(-50%);z-index:10001;display:flex;align-items:center;gap:.5rem;background:#000000b3;backdrop-filter:blur(8px);border:1px solid rgba(255,255,255,.15);border-radius:2rem;padding:.4rem .75rem}.lightbox-btn{width:36px;height:36px;border:none;background:#ffffff1a;color:#fff;font-size:1.1rem;border-radius:50%;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:background .2s}.lightbox-btn:hover{background:#ffffff40}.lightbox-btn-text{width:auto;border-radius:var(--radius);padding:0 .75rem;font-size:.8rem;font-family:var(--font-sans)}.lightbox-zoom-level{color:#ffffffb3;font-size:.8rem;font-family:var(--font-mono);min-width:3rem;text-align:center;user-select:none}.lightbox-content{width:100%;height:100%;overflow:auto;display:flex;align-items:center;justify-content:center;padding:2rem}#lightbox-img{max-width:90vw;max-height:85vh;object-fit:contain;transform-origin:center center;transition:transform .15s ease;user-select:none;-webkit-user-drag:none}.print-header{display:none}@media(max-width:768px){.post-hero{min-height:280px}.post-hero-content h1{font-size:1.75rem}.post-hero-desc{font-size:.9rem}.export-section{flex-direction:column;align-items:flex-start;gap:.5rem}.prose{font-size:1.05rem;line-height:1.8}.prose h2{font-size:1.5rem;margin-top:2rem}.prose h3{font-size:1.2rem;margin-top:1.5rem}.prose p,.prose li{font-size:1.05rem;line-height:1.8}.prose ul,.prose ol{padding-left:1.25rem}.prose pre{font-size:.85rem;padding:1rem;border-radius:6px;-webkit-overflow-scrolling:touch;position:relative}.prose code{font-size:.9em}.prose :not(pre)>code{padding:.2rem .45rem;font-size:.88em}.prose table{font-size:.95rem;display:block;overflow-x:auto;-webkit-overflow-scrolling:touch}.prose th,.prose td{padding:.55rem .7rem;font-size:.9rem}.prose th{font-size:.88rem}.prose blockquote{font-size:1rem;padding-left:.85rem}.prose img{border-radius:6px;margin:1rem 0}.prose strong{font-weight:700}.svg-hero-figure{padding:1rem;overflow-x:auto;-webkit-overflow-scrolling:touch}.svg-hero-img{min-width:500px}}@media print{.post-hero,.toc-sidebar,.share-section,.export-section,.related-posts,.lightbox-overlay,.back-to-top{display:none!important}.print-header{display:block!important;padding:0 0 1rem;border-bottom:2px solid #333;margin-bottom:1.5rem}.print-title{font-size:1.8rem;color:#000;margin:0 0 .5rem;line-height:1.2}.print-meta{color:#555;font-size:.9rem;margin:0 0 .25rem}.print-url{color:#888;font-size:.8rem;margin:0}.post-layout{display:block!important}.section{padding:0!important}.container{max-width:100%!important;padding:0!important}body{font-family:Georgia,Times New Roman,serif!important;color:#000!important;background:#fff!important;font-size:11pt!important;line-height:1.6!important}.prose{max-width:100%!important}.prose h2{font-size:1.4rem!important;break-before:auto;break-after:avoid;margin-top:1.5rem!important;border-bottom:1px solid #ccc;padding-bottom:.3rem}.prose h3{font-size:1.2rem!important;break-after:avoid}.prose img{max-width:100%!important;break-inside:avoid}.prose pre{white-space:pre-wrap!important;word-wrap:break-word!important;border:1px solid #ccc!important;background:#f9f9f9!important;font-size:9pt!important;break-inside:avoid}.prose a{color:#000!important;text-decoration:underline!important}.prose a:after{content:" (" attr(href) ")";font-size:.8em;color:#666}.prose a[href^="#"]:after,.prose a[href^=javascript]:after{content:""}.svg-hero-section{padding:0!important;break-inside:avoid}.svg-hero-figure{border:1px solid #ccc!important;background:#fff!important}}.reading-mode-fab{position:fixed;right:1.5rem;bottom:5.5rem;width:44px;height:44px;border-radius:50%;background:var(--color-bg-card);border:1px solid var(--color-border);color:var(--color-text);display:flex;align-items:center;justify-content:center;cursor:pointer;z-index:100;box-shadow:0 4px 12px #0000001a;transition:all .3s}.scroll-progress-btn{position:fixed;right:1.5rem;bottom:1.5rem;width:44px;height:44px;border-radius:50%;background:var(--color-bg-card);border:none;padding:0;display:flex;align-items:center;justify-content:center;cursor:pointer;z-index:100;box-shadow:0 4px 12px #0000001a;opacity:0;visibility:hidden;transform:translateY(10px);transition:all .3s ease}.scroll-progress-btn.visible{opacity:1;visibility:visible;transform:translateY(0)}.progress-ring{transform:rotate(-90deg);position:absolute;top:0;left:0}.progress-ring__circle{transition:stroke-dashoffset .1s;transform-origin:50% 50%}.arrow-up-icon{position:relative;z-index:2}.scroll-progress-btn:hover{transform:scale(1.05)}.reading-mode-fab:hover{transform:scale(1.1);box-shadow:0 6px 20px #3b82f680}body.reading-mode .reading-mode-fab{display:none}.rm-toolbar{position:fixed;bottom:0;left:0;right:0;z-index:10000;display:flex;flex-direction:column-reverse;transform:translateY(100%);transition:transform .3s cubic-bezier(.4,0,.2,1)}body.reading-mode .rm-toolbar{transform:translateY(0)}.rm-toolbar-inner{display:flex;align-items:center;justify-content:center;gap:.4rem;padding:.55rem 1rem;background:#0f0f14f0;backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);border-top:1px solid rgba(255,255,255,.07)}body.reading-mode .rm-toolbar.rm-toolbar-hidden{transform:translateY(100%)!important}.rm-divider{width:1px;height:20px;background:#ffffff1f;flex-shrink:0}.rm-group{display:flex;align-items:center;gap:.25rem}.rm-btn{display:inline-flex;align-items:center;justify-content:center;gap:.3rem;min-width:32px;height:30px;padding:0 .6rem;border:1px solid rgba(255,255,255,.1);border-radius:7px;background:#ffffff0d;color:#ffffffbf;font-size:.82rem;font-weight:500;cursor:pointer;transition:background .18s,color .18s,border-color .18s;font-family:var(--font-sans);white-space:nowrap;flex-shrink:0}.rm-btn:hover{background:#ffffff1f;color:#fff;border-color:#fff3}.rm-btn.active,.rm-btn[aria-expanded=true]{background:#7c3aed40;border-color:#7c3aed80;color:#c4b5fd}.rm-icon-btn{min-width:30px;padding:0}.rm-exit{background:#ef44441f;border-color:#ef444440;color:#f87171;min-width:30px;padding:0}.rm-exit:hover{background:#ef444440;border-color:#ef444473;color:#fca5a5}.rm-font-size-label{display:inline-block;min-width:26px;text-align:center;color:#ffffff8c;font-size:.78rem;font-family:var(--font-mono)}.rm-settings-label{font-size:.78rem}.rm-progress{height:2px;background:#ffffff0a;overflow:hidden}.rm-progress-bar{height:100%;width:0%;background:var(--color-accent);transition:width .15s}.rm-settings-panel{position:fixed;bottom:0;left:50%;transform:translate(-50%) translateY(110%);z-index:9999;width:min(380px,94vw);background:#121218f7;border:1px solid rgba(255,255,255,.1);border-radius:14px 14px 0 0;box-shadow:0 -16px 40px #0009,0 0 0 1px #ffffff0a;backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);padding:0;overflow:hidden;opacity:0;pointer-events:none;transition:transform .28s cubic-bezier(.34,1.56,.64,1),opacity .2s ease}body.reading-mode .rm-settings-panel{bottom:42px;transform:translate(-50%) translateY(110%)}body.reading-mode .rm-settings-panel.rm-panel-open{transform:translate(-50%) translateY(0);opacity:1;pointer-events:auto}.rm-settings-content{padding:.6rem 0}.rm-settings-section{padding:.55rem 1rem;display:flex;align-items:center;gap:.75rem}.rm-settings-label-sm{font-size:.68rem;font-weight:600;text-transform:uppercase;letter-spacing:.07em;color:#ffffff59;min-width:56px;flex-shrink:0}.rm-settings-sep{height:1px;background:#ffffff0f;margin:0 1rem}.rm-font-row{display:flex;gap:.4rem}.rm-font-btn{display:flex;flex-direction:column;align-items:center;gap:.2rem;padding:.4rem .6rem;border:1px solid rgba(255,255,255,.1);border-radius:8px;background:#ffffff0a;color:#ffffffb3;cursor:pointer;transition:all .18s;min-width:50px}.rm-font-btn span:first-child{font-size:1rem;line-height:1}.rm-font-name{font-size:.6rem;text-transform:uppercase;letter-spacing:.05em;opacity:.55;font-family:var(--font-sans)}.rm-font-btn:hover{background:#ffffff1a;border-color:#fff3;color:#fff}.rm-font-btn.active{background:#7c3aed33;border-color:#7c3aed80;color:#c4b5fd}.rm-font-btn.active .rm-font-name{opacity:.8}.rm-theme-row{display:flex;gap:.35rem}.rm-theme-btn{display:flex;flex-direction:column;align-items:center;gap:.25rem;padding:.35rem .45rem;border:1.5px solid rgba(255,255,255,.08);border-radius:8px;background:#ffffff08;cursor:pointer;transition:all .18s;min-width:44px}.rm-theme-btn:hover{border-color:#ffffff4d;background:#ffffff12}.rm-theme-btn.active{border-color:var(--color-accent, #7c3aed);background:#7c3aed1f}.rm-theme-dot{display:block;width:20px;height:20px;border-radius:50%}.rm-theme-name{font-size:.58rem;text-transform:uppercase;letter-spacing:.04em;color:#ffffff73;font-family:var(--font-sans)}.rm-brightness-row{display:flex;align-items:center;gap:.5rem;flex:1;color:#fff6}.rm-brightness-slider{-webkit-appearance:none;appearance:none;flex:1;height:4px;border-radius:4px;background:#ffffff26;outline:none;cursor:pointer}.rm-brightness-slider::-webkit-slider-thumb{-webkit-appearance:none;appearance:none;width:14px;height:14px;border-radius:50%;background:var(--color-accent, #7c3aed);border:2px solid rgba(255,255,255,.9);cursor:pointer;transition:transform .15s}.rm-brightness-slider::-webkit-slider-thumb:hover{transform:scale(1.2)}.rm-brightness-slider::-moz-range-thumb{width:14px;height:14px;border-radius:50%;background:var(--color-accent, #7c3aed);border:2px solid rgba(255,255,255,.9);cursor:pointer}.rm-extras-row{display:flex;gap:.5rem;flex:1}.rm-extra-btn{display:inline-flex;align-items:center;gap:.4rem;padding:.4rem .75rem;border:1px solid rgba(255,255,255,.1);border-radius:8px;background:#ffffff0a;color:#ffffffa6;cursor:pointer;font-size:.8rem;font-weight:500;font-family:var(--font-sans);transition:all .18s}.rm-extra-btn:hover{background:#ffffff1a;border-color:#fff3;color:#fff}.rm-eye-btn.rm-eye-active{background:#ffb43233;border-color:#ffb43273;color:#fbbf24}.rm-listen.rm-listen-active{background:#7c3aed33;border-color:#7c3aed73;color:#c4b5fd}@media(max-width:540px){.rm-settings-panel{inset:auto 0 0;width:100%;max-width:none;border-radius:20px 20px 0 0;transform:translateY(100%);border-top:1px solid rgba(255,255,255,.15);border-left:none;border-right:none}body.reading-mode .rm-settings-panel{top:auto;transform:translateY(100%)}body.reading-mode .rm-settings-panel.rm-panel-open{transform:translateY(0)}.rm-settings-content{padding:1.2rem 0 2rem}.rm-toolbar-inner{padding:.5rem .75rem}.rm-settings-label{display:none}.rm-settings-toggle{min-width:32px;padding:0}}body.reading-mode{transition:background-color .4s,color .4s}body.reading-mode header,body.reading-mode footer,body.reading-mode .post-hero,body.reading-mode .svg-hero-section,body.reading-mode .toc-sidebar,body.reading-mode .share-section,body.reading-mode .export-section,body.reading-mode .related-posts,body.reading-mode .back-to-top,body.reading-mode .lightbox-overlay,body.reading-mode .giscus{display:none!important}body.reading-mode .post-layout{display:block!important}body.reading-mode .section{padding:2rem 0}body.reading-mode .container{max-width:680px}body.reading-mode .prose{max-width:100%;padding-top:3.5rem}body.reading-mode .prose img{max-width:100%;border-radius:4px}body.reading-mode .prose pre.astro-code{background-color:var(--rm-code-bg)!important;color:var(--rm-code-fg)!important;border:1px solid var(--rm-code-border)!important}body.reading-mode.rm-sepia .prose pre.astro-code span,body.reading-mode.rm-white .prose pre.astro-code span,body.reading-mode.rm-gray .prose pre.astro-code span{color:inherit!important}body.reading-mode .prose :not(pre)>code{background:var(--rm-code-bg)!important;color:var(--rm-code-fg)!important;border-color:var(--rm-code-border)!important}body.reading-mode .post-content:before{content:attr(data-title);display:block;font-weight:700;font-size:1.75rem;line-height:1.3;margin-bottom:1.5rem;padding-top:3rem}body.reading-mode.rm-sepia{background:#f4ecd8;color:#3b3121;--rm-code-bg: #ebe3cc;--rm-code-fg: #3b3121;--rm-code-border: #d4c9a8}body.reading-mode.rm-sepia .prose{color:#3b3121}body.reading-mode.rm-sepia .prose h2,body.reading-mode.rm-sepia .prose h3,body.reading-mode.rm-sepia .prose h4{color:#2a2215}body.reading-mode.rm-sepia .prose a{color:#8b6914}body.reading-mode.rm-sepia .prose pre,body.reading-mode.rm-sepia .prose :not(pre)>code{background:#ebe3cc!important;border-color:#d4c9a8!important;color:#3b3121!important}body.reading-mode.rm-sepia .prose blockquote{border-left-color:#c4a95a;color:#5c4d2e}body.reading-mode.rm-sepia .prose th,body.reading-mode.rm-sepia .prose td{border-color:#d4c9a8}body.reading-mode.rm-sepia .prose th{background:#ebe3cc}body.reading-mode.rm-white{background:#fff;color:#1a1a1a;--rm-code-bg: #f5f5f5;--rm-code-fg: #1a1a1a;--rm-code-border: #e0e0e0}body.reading-mode.rm-white .prose{color:#1a1a1a}body.reading-mode.rm-white .prose h2,body.reading-mode.rm-white .prose h3,body.reading-mode.rm-white .prose h4{color:#111}body.reading-mode.rm-white .prose pre,body.reading-mode.rm-white .prose :not(pre)>code{background:#f5f5f5!important;border-color:#e0e0e0!important;color:#1a1a1a!important}body.reading-mode.rm-white .prose blockquote{border-left-color:#ddd;color:#555}body.reading-mode.rm-white .prose th,body.reading-mode.rm-white .prose td{border-color:#e0e0e0}body.reading-mode.rm-white .prose th{background:#f5f5f5}body.reading-mode.rm-gray{background:#e8e6e3;color:#2c2c2c;--rm-code-bg: #d9d7d4;--rm-code-fg: #2c2c2c;--rm-code-border: #c5c3c0}body.reading-mode.rm-gray .prose{color:#2c2c2c}body.reading-mode.rm-gray .prose h2,body.reading-mode.rm-gray .prose h3{color:#1a1a1a}body.reading-mode.rm-gray .prose pre,body.reading-mode.rm-gray .prose :not(pre)>code{background:#d9d7d4!important;border-color:#c5c3c0!important;color:#2c2c2c!important}body.reading-mode.rm-gray .prose blockquote{border-left-color:#aaa;color:#444}body.reading-mode.rm-gray .prose th,body.reading-mode.rm-gray .prose td{border-color:#c5c3c0}body.reading-mode.rm-gray .prose th{background:#d9d7d4}body.reading-mode.rm-dark{background:#2b2b2b;color:#d4d4d4;--rm-code-bg: #1e1e1e;--rm-code-fg: #d4d4d4;--rm-code-border: #444}body.reading-mode.rm-dark .prose{color:#d4d4d4}body.reading-mode.rm-dark .prose h2,body.reading-mode.rm-dark .prose h3{color:#eee}body.reading-mode.rm-dark .prose a{color:#6ea8fe}body.reading-mode.rm-dark .prose pre,body.reading-mode.rm-dark .prose :not(pre)>code{background:#1e1e1e!important;border-color:#444!important;color:#d4d4d4!important}body.reading-mode.rm-dark .prose blockquote{border-left-color:#555;color:#aaa}body.reading-mode.rm-dark .prose th,body.reading-mode.rm-dark .prose td{border-color:#444}body.reading-mode.rm-dark .prose th{background:#1e1e1e}body.reading-mode.rm-black{background:#000;color:#c8c8c8;--rm-code-bg: #111;--rm-code-fg: #c8c8c8;--rm-code-border: #333}body.reading-mode.rm-black .prose{color:#c8c8c8}body.reading-mode.rm-black .prose h2,body.reading-mode.rm-black .prose h3{color:#e0e0e0}body.reading-mode.rm-black .prose a{color:#6ea8fe}body.reading-mode.rm-black .prose pre,body.reading-mode.rm-black .prose :not(pre)>code{background:#111!important;border-color:#333!important;color:#c8c8c8!important}body.reading-mode.rm-black .prose blockquote{border-left-color:#444;color:#888}body.reading-mode.rm-black .prose th,body.reading-mode.rm-black .prose td{border-color:#333}body.reading-mode.rm-black .prose th{background:#111}body.reading-mode.rm-font-serif .prose{font-family:Georgia,Merriweather,Times New Roman,serif}body.reading-mode.rm-font-sans .prose{font-family:Inter,system-ui,-apple-system,sans-serif}body.reading-mode.rm-font-mono .prose{font-family:JetBrains Mono,Fira Code,Consolas,monospace}@media(max-width:768px){.rm-toolbar-inner{padding:.5rem .75rem;gap:.35rem}.rm-btn{min-width:32px;height:30px;font-size:.8rem;padding:0 .35rem}.rm-divider{height:20px}.rm-theme-dot{width:15px;height:15px}.rm-theme-btn{width:26px;height:26px}.reading-mode-fab{bottom:4.5rem;right:1rem;width:44px;height:44px}}.rm-listen{display:inline-flex;align-items:center;gap:.3rem;font-size:.78rem;font-weight:600;padding:0 .6rem;color:var(--color-text-muted, #888);transition:color .2s,background .2s}.rm-listen:hover{color:var(--color-accent, #7c3aed);background:#7c3aed1a}.rm-listen.rm-listen-active{color:var(--color-accent, #7c3aed);background:#7c3aed26}.dict-popup{position:absolute;z-index:1000;width:320px;max-height:360px;overflow-y:auto;background:var(--color-bg-card, #1e1e2e);border:1px solid var(--color-border, #333);border-radius:12px;padding:1rem;box-shadow:0 8px 32px #0006,0 0 0 1px #ffffff0d;backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);font-family:var(--font-sans, system-ui);animation:dictFadeIn .15s ease-out}@keyframes dictFadeIn{0%{opacity:0;transform:translateY(4px)}to{opacity:1;transform:translateY(0)}}.dict-header{display:flex;align-items:center;gap:.5rem;margin-bottom:.6rem}.dict-word{font-size:1.1rem;font-weight:700;color:var(--color-text, #eee)}.dict-phonetic{font-size:.8rem;color:var(--color-text-muted, #888);font-style:italic}.dict-audio-btn{display:inline-flex;align-items:center;justify-content:center;width:28px;height:28px;border:none;border-radius:50%;background:var(--color-accent, #7c3aed);color:#fff;cursor:pointer;flex-shrink:0;transition:background .15s,transform .1s}.dict-audio-btn:hover{background:var(--color-accent-hover, #6d28d9);transform:scale(1.1)}.dict-close{position:absolute;top:.5rem;right:.5rem;background:none;border:none;color:var(--color-text-muted, #888);font-size:1.2rem;cursor:pointer;width:24px;height:24px;display:flex;align-items:center;justify-content:center;border-radius:4px;transition:color .15s,background .15s}.dict-close:hover{color:var(--color-text, #eee);background:#ffffff14}.dict-body{font-size:.82rem;line-height:1.5;color:var(--color-text, #eee)}.dict-meaning{margin-bottom:.5rem}.dict-meaning:last-child{margin-bottom:0}.dict-pos{display:inline-block;font-size:.68rem;font-weight:700;text-transform:uppercase;letter-spacing:.04em;color:var(--color-accent, #7c3aed);background:#7c3aed1f;padding:.1rem .4rem;border-radius:4px;margin-bottom:.3rem}.dict-def{margin:.2rem 0;color:var(--color-text, #ddd)}.dict-example{margin:.15rem 0 .3rem;font-style:italic;color:var(--color-text-muted, #888);font-size:.78rem;padding-left:.5rem;border-left:2px solid var(--color-border, #444)}.dict-loading,.dict-error{color:var(--color-text-muted, #888);font-style:italic}:global([data-theme=light]) .dict-popup{background:#fff;border-color:#e0e0e0;box-shadow:0 8px 32px #00000026,0 0 0 1px #0000000d}body.reading-mode .dict-popup{background:#1e1e2ef2}body.reading-mode.rm-sepia .dict-popup{background:#f0e8d0;border-color:#c8b78a;color:#3b3121}body.reading-mode.rm-sepia .dict-word,body.reading-mode.rm-sepia .dict-def{color:#3b3121}body.reading-mode.rm-white .dict-popup{background:#fff;border-color:#ddd;color:#1a1a1a}body.reading-mode.rm-white .dict-word,body.reading-mode.rm-white .dict-def{color:#1a1a1a}@media print{.dict-popup{display:none!important}}.speak-selection-btn{position:absolute;z-index:1001;display:flex;align-items:center;gap:.35rem;padding:.4rem .75rem;background:var(--color-accent, #7c3aed);color:#fff;border:none;border-radius:20px;font-size:.78rem;font-weight:600;cursor:pointer;box-shadow:0 4px 14px #7c3aed66;animation:dictFadeIn .12s ease-out;transition:background .15s,transform .1s;font-family:var(--font-sans, system-ui)}.speak-selection-btn:hover{background:var(--color-accent-hover, #6d28d9);transform:scale(1.05)}.speak-selection-btn:active{transform:scale(.97)}@media(max-width:540px){.rm-toolbar-inner{overflow-x:auto;flex-wrap:nowrap;gap:.35rem;padding:.4rem .6rem;-webkit-overflow-scrolling:touch;scrollbar-width:none}.rm-toolbar-inner::-webkit-scrollbar{display:none}.rm-btn{min-width:30px;height:28px;padding:0 .35rem;font-size:.75rem;flex-shrink:0}.rm-exit{min-width:28px;padding:0 .3rem}.rm-listen span,.rm-eye-label{display:none}.rm-theme-btn{width:24px;height:24px}.rm-theme-dot{width:14px;height:14px}.rm-brightness-slider{width:50px}.rm-brightness-group svg{width:12px;height:12px}.rm-divider{height:18px;margin:0}.rm-font-size-label{min-width:22px;font-size:.7rem}.rm-progress{height:2px}}