:root{--bg:#ffffff;--text:#0b0f17;--muted:#5b6472;--border: rgba(15, 23, 42, .1);--card: rgba(255,255,255,.75);--shadow: 0 12px 32px rgba(0,0,0,.06);--radius: 16px;--max: 880px}@media(prefers-color-scheme:dark){:root:not([data-theme=light]){--bg: #0d1117;--text: #e6edf3;--muted: #8b949e;--border: rgba(240, 246, 252, .1);--card: rgba(22, 27, 34, .8);--shadow: 0 12px 32px rgba(0, 0, 0, .3)}:root:not([data-theme=light]) .nav{background:#0d1117d1}:root:not([data-theme=light]) .callout{background:#f0f6fc0a}:root:not([data-theme=light]) .card:hover{box-shadow:0 18px 40px #0006}:root:not([data-theme=light]) .prose pre{background:#161b22;color:#e6edf3}:root:not([data-theme=light]) .prose :not(pre)>code{background:#161b22}}[data-theme=dark]{--bg: #0d1117;--text: #e6edf3;--muted: #8b949e;--border: rgba(240, 246, 252, .1);--card: rgba(22, 27, 34, .8);--shadow: 0 12px 32px rgba(0, 0, 0, .3)}[data-theme=dark] .nav{background:#0d1117d1}[data-theme=dark] .callout{background:#f0f6fc0a}[data-theme=dark] .card:hover{box-shadow:0 18px 40px #0006}[data-theme=dark] .prose pre{background:#161b22;color:#e6edf3}[data-theme=dark] .prose :not(pre)>code{background:#161b22}*{box-sizing:border-box}html,body{height:100%}body{margin:0;background:var(--bg);color:var(--text);font-family:ui-sans-serif,system-ui,-apple-system,SF Pro Text,Inter,Segoe UI,Roboto,Arial;line-height:1.65;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}a{color:inherit;text-decoration:none}a:hover{text-decoration:underline;text-underline-offset:4px}.container{max-width:var(--max);margin:0 auto;padding:28px 20px 72px}.nav{position:sticky;top:0;z-index:20;backdrop-filter:blur(14px);background:#ffffffc7;border-bottom:1px solid var(--border)}.nav-inner{max-width:var(--max);margin:0 auto;padding:14px 20px;display:flex;align-items:center;justify-content:space-between;gap:16px}.brand{font-weight:650;letter-spacing:-.02em}.nav a{color:var(--muted);margin-left:14px;font-size:14px}.nav a:hover{color:var(--text);text-decoration:none}.theme-toggle{background:none;border:1px solid var(--border);border-radius:999px;padding:4px 10px;cursor:pointer;font-size:14px;color:var(--muted);transition:color .12s ease,border-color .12s ease;line-height:1;margin-left:14px}.theme-toggle:hover{color:var(--text)}.hero{padding:40px 0 24px}.hero h1{margin:0;font-size:clamp(34px,4vw,52px);line-height:1.05;letter-spacing:-.04em}.hero p{margin:14px 0 0;max-width:58ch;color:var(--muted);font-size:17px}.badges{display:flex;gap:10px;flex-wrap:wrap;margin-top:16px}.badge{font-size:12px;color:var(--muted);border:1px solid var(--border);border-radius:999px;padding:6px 10px}.grid{display:grid;grid-template-columns:1fr;gap:14px;margin-top:18px}.card{border:1px solid var(--border);border-radius:var(--radius);background:var(--card);box-shadow:var(--shadow);padding:18px;display:flex;gap:18px;align-items:center;justify-content:space-between;transition:transform .16s ease,box-shadow .16s ease;will-change:transform}.card:hover{transform:translateY(-3px);box-shadow:0 18px 40px #0000001a}.card .meta{color:var(--muted);font-size:13px}.card h2{margin:6px 0;font-size:18px;letter-spacing:-.02em}.card p{margin:0;color:var(--muted);font-size:14px;max-width:70ch}.thumb{width:84px;height:64px;border-radius:12px;border:1px solid var(--border);object-fit:cover;flex:none}.post-title{font-size:clamp(30px,3.2vw,44px);letter-spacing:-.04em;line-height:1.1;margin:12px 0 10px}.prose{font-size:17px}.prose h2{letter-spacing:-.02em;margin-top:40px}.prose img{width:100%;height:auto;border-radius:14px;border:1px solid var(--border);margin:18px 0 8px}.caption{color:var(--muted);font-size:13px;margin-top:-2px}.callout{border:1px solid var(--border);border-radius:14px;padding:14px;background:#0f172a08;margin:18px 0}.callout strong{display:block;margin-bottom:6px}.prose pre{padding:16px;border-radius:14px;border:1px solid var(--border);overflow:auto;background:#f6f8fa}.prose code{font-family:ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,Liberation Mono,monospace;font-size:.95em}.prose :not(pre)>code{background:#f6f8fa;border:1px solid var(--border);border-radius:5px;padding:2px 6px}.hero-img{width:100%;height:auto;max-height:420px;object-fit:cover;border-radius:var(--radius);border:1px solid var(--border);margin:20px 0 28px;display:block}.back-link{display:inline-flex;align-items:center;gap:6px;color:var(--muted);font-size:14px;margin-bottom:28px;transition:color .12s ease,gap .12s ease}.back-link:hover{color:var(--text);text-decoration:none;gap:9px}.post-meta{color:var(--muted);font-size:13px;padding-bottom:12px;border-bottom:1px solid var(--border);margin-bottom:0}.footer{margin-top:56px;padding-top:20px;border-top:1px solid var(--border);color:var(--muted);font-size:13px}