:root{--bg:#fafafa;--header-bg:rgba(250, 250, 250, 0.82);--surface:#ffffff;--ink:#131316;--muted:#5f6368;--faint:#9aa0a6;--line:#e7e7ec;--accent:#ff4d1f;--accent-soft:rgba(255, 77, 31, 0.08);--code-bg:#f1f1f4;--radius:16px;--radius-sm:10px;--max-w:46rem;--max-w-wide:72rem;--header-h:64px;--mono:ui-monospace, "SF Mono", "Cascadia Code", Menlo, Consolas, monospace;--shadow:0 1px 2px rgba(0, 0, 0, 0.05)}@media(prefers-color-scheme:dark){:root{--bg:#0c0c0e;--header-bg:rgba(12, 12, 14, 0.82);--surface:#141417;--ink:#f2f2f4;--muted:#a0a5ab;--faint:#70757c;--line:#27272e;--accent:#ff5a2a;--accent-soft:rgba(255, 90, 42, 0.14);--code-bg:#1b1b1f;--shadow:0 1px 2px rgba(0, 0, 0, 0.5)}}*{box-sizing:border-box;margin:0}html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}body{background:var(--bg);color:var(--ink);font-family:ui-sans-serif,system-ui,-apple-system,segoe ui,Roboto,helvetica neue,Arial,sans-serif;font-size:17px;line-height:1.7;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}::selection{background:var(--accent);color:#fff}a{color:inherit;text-decoration:none}img{max-width:100%;height:auto;display:block}strong{font-weight:600}.container{width:100%;max-width:var(--max-w);margin:0 auto;padding:0 24px}.container-wide{width:100%;max-width:var(--max-w-wide);margin:0 auto;padding:0 24px}.skip-link{position:absolute;left:-9999px;top:0;z-index:100;background:var(--accent);color:#fff;padding:10px 16px;border-radius:0 0 8px 0;font-size:14px}.skip-link:focus{left:0}.site-header{position:sticky;top:0;z-index:50;background:var(--header-bg);-webkit-backdrop-filter:blur(14px)saturate(160%);backdrop-filter:blur(14px)saturate(160%);border-bottom:1px solid var(--line)}.header-inner{display:flex;align-items:center;justify-content:space-between;gap:18px;height:var(--header-h)}.brand{font-weight:700;font-size:15px;letter-spacing:-.01em;white-space:nowrap}.brand .accent-dot{color:var(--accent)}.site-nav{display:flex;align-items:center;gap:22px;margin-left:auto}.site-nav a{font-size:14px;color:var(--muted);transition:color .15s ease}.site-nav a:hover{color:var(--ink)}.site-nav a.is-active{color:var(--ink)}.lang-switch{display:flex;align-items:center;gap:2px;border:1px solid var(--line);border-radius:999px;padding:3px;background:var(--surface)}.lang-switch a{font-family:var(--mono);font-size:11px;font-weight:700;letter-spacing:.04em;color:var(--muted);padding:4px 9px;border-radius:999px;transition:color .15s ease,background .15s ease}.lang-switch a:hover{color:var(--ink)}.lang-switch a.is-active{background:var(--ink);color:var(--bg)}.hero{padding:clamp(64px,10vw,120px)0 40px}.hero-eyebrow{display:inline-flex;align-items:center;gap:8px;font-family:var(--mono);font-size:12px;letter-spacing:.08em;text-transform:uppercase;color:var(--accent);font-weight:600}.hero-eyebrow::before{content:"";width:8px;height:8px;border-radius:50%;background:var(--accent);box-shadow:0 0 0 4px var(--accent-soft)}.hero-title{font-size:clamp(2.2rem,6vw,3.6rem);line-height:1.05;letter-spacing:-.03em;font-weight:800;margin:18px 0 20px;max-width:14ch}.hero-subtitle{font-size:clamp(1.05rem,2vw,1.2rem);color:var(--muted);max-width:56ch;line-height:1.6}.section{padding:48px 0 72px}.section-head{display:flex;align-items:baseline;justify-content:space-between;margin-bottom:28px}.section-head-text{display:flex;flex-direction:column;gap:6px}.section-title{font-size:1.05rem;font-weight:700;letter-spacing:-.01em}.section-count{font-family:var(--mono);font-size:12px;color:var(--faint)}.kicker{font-family:var(--mono);font-size:12px;letter-spacing:.08em;text-transform:uppercase;color:var(--accent);font-weight:600}.post-list{display:flex;flex-direction:column;border-top:1px solid var(--line)}.post-card{border-bottom:1px solid var(--line)}.post-card-link{display:block;padding:28px 0;transition:transform .18s ease}.post-card-link:hover{transform:translateX(4px)}.post-card-meta{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-family:var(--mono);font-size:12px;color:var(--faint);margin-bottom:10px}.post-card-meta .sep{color:var(--line)}.post-card-title{font-size:clamp(1.25rem,2.5vw,1.5rem);font-weight:700;letter-spacing:-.02em;line-height:1.25;margin-bottom:8px;transition:color .15s ease}.post-card-link:hover .post-card-title{color:var(--accent)}.post-card-desc{color:var(--muted);font-size:15.5px;line-height:1.6;max-width:60ch;margin-bottom:14px}.post-card-more{font-size:13.5px;font-weight:600;color:var(--accent)}.badge{display:inline-flex;align-items:center;font-family:var(--mono);font-size:11.5px;font-weight:600;letter-spacing:.03em;color:var(--accent);background:var(--accent-soft);border:1px solid transparent;padding:3px 9px;border-radius:999px}a.badge:hover{border-color:var(--accent)}.article{padding:48px 0 80px}.article-header{margin-bottom:36px}.article-cats{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:18px}.article-title{font-size:clamp(2rem,5vw,2.9rem);line-height:1.08;letter-spacing:-.03em;font-weight:800;margin-bottom:18px}.article-desc{font-size:1.15rem;color:var(--muted);max-width:60ch;margin-bottom:20px}.article-meta{display:flex;flex-wrap:wrap;align-items:center;gap:10px;font-family:var(--mono);font-size:13px;color:var(--faint)}.article-meta .sep{color:var(--line)}.featured-image{border-radius:var(--radius);overflow:hidden;margin-bottom:40px;border:1px solid var(--line);box-shadow:var(--shadow)}.featured-image img{width:100%}.prose{font-size:17px;line-height:1.75}.prose h2{font-size:1.55rem;font-weight:700;letter-spacing:-.02em;line-height:1.25;margin:2.4em 0 .7em}.prose h3{font-size:1.2rem;font-weight:700;letter-spacing:-.01em;line-height:1.3;margin:2em 0 .6em}.prose p{margin:0 0 1.3em}.prose ul,.prose ol{margin:0 0 1.3em;padding-left:1.5em}.prose li{margin:.35em 0}.prose blockquote{margin:1.8em 0;padding:4px 0 4px 20px;border-left:3px solid var(--accent);color:var(--muted);font-style:italic}.prose code{font-family:var(--mono);font-size:.9em;background:var(--code-bg);padding:2px 6px;border-radius:6px}.prose pre{background:var(--code-bg);padding:18px 20px;border-radius:var(--radius-sm);overflow-x:auto;margin:1.5em 0;border:1px solid var(--line)}.prose pre code{background:0 0;padding:0;font-size:13.5px;line-height:1.6}.prose a{color:var(--accent);text-decoration:underline;text-underline-offset:3px}.prose hr{border:0;border-top:1px solid var(--line);margin:2.5em 0}.prose table{width:100%;border-collapse:collapse;margin:1.5em 0;font-size:15px}.prose th,.prose td{border:1px solid var(--line);padding:10px 14px;text-align:left}.prose th{background:var(--code-bg);font-weight:600}.toc{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-sm);padding:20px 22px;margin-bottom:32px}.toc-title{font-size:13px;font-weight:700;text-transform:uppercase;letter-spacing:.06em;color:var(--muted);margin-bottom:12px}.toc nav ul{list-style:none;padding:0;margin:0}.toc nav ul ul{padding-left:16px;margin-top:6px}.toc nav li{margin:6px 0;font-size:14.5px}.toc nav a{color:var(--muted);transition:color .15s}.toc nav a:hover{color:var(--accent)}.faq{margin-top:48px;border-top:1px solid var(--line);padding-top:40px}.faq-title{font-size:1.4rem;font-weight:700;letter-spacing:-.02em;margin-bottom:20px}.faq-item{border:1px solid var(--line);border-radius:var(--radius-sm);margin-bottom:12px;background:var(--surface);overflow:hidden}.faq-item summary{cursor:pointer;padding:18px 20px;font-weight:600;font-size:15.5px;list-style:none;position:relative;padding-right:44px;transition:color .15s}.faq-item summary:hover{color:var(--accent)}.faq-item summary::after{content:"+";position:absolute;right:18px;top:50%;transform:translateY(-50%);font-size:20px;font-weight:400;color:var(--accent);transition:transform .2s ease}.faq-item[open] summary::after{transform:translateY(-50%)rotate(45deg)}.faq-item summary::-webkit-details-marker{display:none}.faq-answer{padding:0 20px 20px;color:var(--muted);font-size:15.5px;line-height:1.7}.category-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:14px}.category-card{display:flex;align-items:center;justify-content:space-between;gap:12px;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-sm);padding:18px 20px;transition:border-color .15s,transform .15s}.category-card:hover{border-color:var(--accent);transform:translateY(-2px)}.category-name{font-weight:600;font-size:15px}.category-count{font-family:var(--mono);font-size:12px;color:var(--faint);background:var(--code-bg);padding:2px 8px;border-radius:999px}.site-footer{border-top:1px solid var(--line);padding:40px 0;margin-top:40px}.footer-inner{display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap}.footer-note{font-size:13.5px;color:var(--faint)}.footer-links{display:flex;gap:20px}.footer-links a{font-size:13.5px;color:var(--muted);transition:color .15s}.footer-links a:hover{color:var(--ink)}.error-page{padding:clamp(80px,16vh,160px)0;text-align:center}.error-code{font-family:var(--mono);font-size:clamp(5rem,20vw,10rem);font-weight:800;letter-spacing:-.04em;line-height:1;color:var(--line);margin-bottom:8px}.error-title{font-size:1.6rem;font-weight:700;letter-spacing:-.02em;margin-bottom:12px}.error-text{color:var(--muted);max-width:40ch;margin:0 auto 28px}.btn{display:inline-flex;align-items:center;gap:8px;background:var(--ink);color:var(--bg);font-size:14px;font-weight:600;padding:12px 22px;border-radius:999px;transition:opacity .15s,transform .15s}.btn:hover{opacity:.85;transform:translateY(-1px)}@media(max-width:640px){body{font-size:16px}.site-nav{display:none}.brand{font-size:14px}.post-card-link{padding:22px 0}.hero{padding:48px 0 28px}}