:root{color-scheme:light;--bg:#f5f7fa;--panel:#fff;--panel-2:#f8fafc;--border:#e3e8ef;--strong:#cbd5e1;--text:#1e293b;--heading:#0f172a;--muted:#5b6b7f;--faint:#8291a5;--accent:#1667c8;--accent-hover:#0f56ad;--accent-soft:#e8f1fc;--accent-ink:#0f4c95;--shadow:0 1px 3px rgba(15,23,42,.08),0 1px 2px rgba(15,23,42,.04);--font:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Helvetica Neue",Inter,system-ui,sans-serif}
html[data-theme="dark"]{color-scheme:dark;--bg:#0b1220;--panel:#111b2e;--panel-2:#172338;--border:#27364d;--strong:#3a4b64;--text:#d7e0ec;--heading:#f7fafc;--muted:#a8b6c9;--faint:#76879e;--accent:#65a8ff;--accent-hover:#90c2ff;--accent-soft:#172f50;--accent-ink:#a9d1ff;--shadow:0 1px 3px rgba(0,0,0,.35)}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--text);font:15px/1.65 var(--font);-webkit-font-smoothing:antialiased}a{color:var(--accent);text-decoration:none}a:hover{color:var(--accent-hover);text-decoration:underline}button{font:inherit}
.site-head{position:sticky;top:0;z-index:30;background:color-mix(in srgb,var(--panel) 96%,transparent);border-bottom:1px solid var(--border);backdrop-filter:blur(12px)}
.head-in{max-width:1180px;height:58px;margin:auto;padding:0 22px;display:flex;align-items:center;gap:20px}.logo{display:flex;align-items:center;gap:9px;color:var(--heading);font-weight:750;letter-spacing:-.02em}.logo:hover{text-decoration:none}.mark{width:29px;height:29px;display:grid;place-items:center;border-radius:7px;background:var(--accent);color:#fff;font:700 15px Georgia,serif}.main-nav{display:flex;gap:5px;margin-left:auto}.main-nav a{color:var(--muted);font-size:13px;font-weight:600;padding:7px 10px;border-radius:7px}.main-nav a:hover,.main-nav a.on{color:var(--accent-ink);background:var(--accent-soft);text-decoration:none}
.theme{position:relative}.theme>summary{list-style:none;width:34px;height:34px;display:grid;place-items:center;border:1px solid var(--border);border-radius:8px;color:var(--muted);cursor:pointer}.theme>summary::-webkit-details-marker{display:none}.theme-panel{position:absolute;right:0;top:42px;width:166px;padding:7px;background:var(--panel);border:1px solid var(--border);border-radius:10px;box-shadow:0 12px 30px rgba(15,23,42,.15)}.theme-panel label{display:flex;gap:8px;align-items:center;padding:7px 8px;border-radius:6px;font-size:12px;cursor:pointer}.theme-panel label:hover{background:var(--panel-2)}
.blog-hero{max-width:1180px;margin:0 auto;padding:70px 22px 42px}.eyebrow{margin:0 0 12px;color:var(--accent);font-size:12px;font-weight:750;letter-spacing:.1em;text-transform:uppercase}.blog-hero h1{max-width:780px;margin:0;color:var(--heading);font-size:clamp(34px,6vw,60px);line-height:1.04;letter-spacing:-.045em}.blog-hero .lead{max-width:720px;margin:18px 0 0;color:var(--muted);font-size:18px;line-height:1.65}
.blog-main{max-width:1180px;margin:auto;padding:0 22px 80px}.filterbar{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:22px}.filterbar button{border:1px solid var(--border);background:var(--panel);color:var(--muted);padding:7px 12px;border-radius:999px;font-size:12px;font-weight:650;cursor:pointer}.filterbar button:hover,.filterbar button.on{border-color:var(--accent);background:var(--accent-soft);color:var(--accent-ink)}
.post-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}.post-card{min-width:0;background:var(--panel);border:1px solid var(--border);border-radius:14px;padding:22px;box-shadow:var(--shadow);display:flex;flex-direction:column;color:var(--text);transition:transform .16s ease,border-color .16s ease,box-shadow .16s ease}.post-card:hover{transform:translateY(-3px);border-color:color-mix(in srgb,var(--accent) 50%,var(--border));box-shadow:0 10px 24px rgba(15,23,42,.11);text-decoration:none}.post-card:focus-visible{outline:3px solid color-mix(in srgb,var(--accent) 35%,transparent);outline-offset:3px}.post-card.featured{grid-column:span 2;min-height:310px;background:linear-gradient(145deg,var(--panel),var(--accent-soft));border-color:color-mix(in srgb,var(--accent) 25%,var(--border))}.post-card[hidden]{display:none}.post-card .cats{display:flex;gap:6px;flex-wrap:wrap;margin-bottom:28px}.cat{font-size:10px;font-weight:750;letter-spacing:.06em;text-transform:uppercase;color:var(--accent-ink);background:var(--accent-soft);padding:4px 7px;border-radius:999px}.post-card h2{margin:auto 0 9px;color:var(--heading);font-size:clamp(22px,3vw,32px);line-height:1.18;letter-spacing:-.025em}.post-card p{margin:0;color:var(--muted)}.post-meta{display:flex;gap:8px;align-items:center;margin-top:20px;color:var(--faint);font-size:12px}.post-meta span+span:before{content:"·";margin-right:8px}.empty-filter{padding:40px 0;color:var(--muted)}
.blog-about{display:grid;grid-template-columns:auto 1fr;gap:16px;align-items:center;margin-top:48px;padding:22px;background:var(--panel);border:1px solid var(--border);border-radius:14px}.avatar{width:48px;height:48px;display:grid;place-items:center;border-radius:50%;background:var(--accent);color:#fff;font-weight:800}.blog-about h2{margin:0 0 3px;color:var(--heading);font-size:16px}.blog-about p{margin:0;color:var(--muted);font-size:13px}
.article-wrap{max-width:1120px;margin:auto;padding:46px 22px 90px}.crumb{margin-bottom:34px;font-size:12px;color:var(--faint)}.article-head{max-width:820px;margin-bottom:42px}.article-head .cats{display:flex;gap:7px;flex-wrap:wrap}.article-head h1{margin:14px 0;color:var(--heading);font-size:clamp(36px,7vw,64px);line-height:1.04;letter-spacing:-.045em}.article-head .dek{margin:0;color:var(--muted);font-size:19px;line-height:1.6}.byline{display:flex;gap:10px;align-items:center;margin-top:22px;color:var(--muted);font-size:13px}.byline strong{color:var(--heading)}
.article-grid{display:grid;grid-template-columns:minmax(0,720px) 240px;gap:64px;align-items:start}.article{font:17px/1.82 Georgia,"Times New Roman",serif;color:var(--text)}.article h2{scroll-margin-top:82px;margin:50px 0 14px;color:var(--heading);font:750 28px/1.2 var(--font);letter-spacing:-.025em}.article h2:first-child{margin-top:0}.article p{margin:0 0 23px}.article ul,.article ol{margin:0 0 23px;padding-left:24px}.article li{margin:7px 0}.article blockquote{margin:28px 0;padding:4px 0 4px 20px;border-left:3px solid var(--accent);color:var(--muted)}.article code{font:13px/1.5 ui-monospace,SFMono-Regular,Consolas,monospace;background:var(--panel-2);padding:2px 5px;border-radius:4px}.article pre{overflow:auto;padding:16px;background:var(--panel-2);border:1px solid var(--border);border-radius:10px}.article pre code{padding:0;background:none}.article-note{margin-top:48px;padding:18px 20px;border:1px solid var(--border);border-radius:10px;background:var(--panel-2);color:var(--muted);font:13px/1.65 var(--font)}
.toc{position:sticky;top:80px;padding:16px;border-left:1px solid var(--border)}.toc h2{margin:0 0 9px;color:var(--faint);font-size:10px;letter-spacing:.09em;text-transform:uppercase}.toc a{display:block;padding:5px 0;color:var(--muted);font-size:12px;line-height:1.35}.toc a.on{color:var(--accent);font-weight:700}.toc-mobile{display:none;margin-bottom:24px}.share-row{display:flex;gap:8px;margin-top:38px}.share-row button,.share-row a{border:1px solid var(--border);background:var(--panel);color:var(--muted);padding:8px 12px;border-radius:8px;font:600 12px/1 var(--font);cursor:pointer}.share-row button:hover,.share-row a:hover{border-color:var(--accent);color:var(--accent);text-decoration:none}
.site-foot{border-top:1px solid var(--border);background:var(--panel)}.foot-in{max-width:1180px;margin:auto;padding:24px 22px;display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap;color:var(--muted);font-size:12px}.foot-links{display:flex;gap:14px;flex-wrap:wrap}.foot-links a{color:var(--muted)}
.cookiebar{position:fixed;left:12px;right:12px;bottom:12px;z-index:60;max-width:720px;margin:auto;padding:12px 14px;display:flex;align-items:center;gap:14px;background:var(--panel);border:1px solid var(--border);border-radius:10px;box-shadow:0 12px 34px rgba(15,23,42,.18);color:var(--muted);font-size:12px}.cookiebar[hidden]{display:none}.cookiebar span{flex:1}.cookiebar a{font-weight:650}.cookiebar button{flex:none;padding:7px 12px;border:1px solid var(--strong);border-radius:8px;background:var(--panel);color:var(--accent);font-weight:650;cursor:pointer}.cookiebar button:hover{border-color:var(--accent);background:var(--accent-soft)}
@media(max-width:800px){.head-in{padding:0 15px}.main-nav a:not(.on){display:none}.blog-hero{padding:50px 16px 30px}.blog-main,.article-wrap{padding-left:16px;padding-right:16px}.post-grid{grid-template-columns:1fr}.post-card.featured{grid-column:auto;min-height:280px}.article-grid{grid-template-columns:1fr;gap:0}.toc{display:none}.toc-mobile{display:block;position:sticky;top:66px;z-index:10;background:var(--panel);border:1px solid var(--border);border-radius:9px}.toc-mobile summary{padding:10px 12px;color:var(--heading);font:650 12px var(--font);cursor:pointer}.toc-mobile nav{max-height:45vh;overflow:auto;padding:2px 12px 10px;border-top:1px solid var(--border)}.toc-mobile a{display:block;padding:7px 0;color:var(--muted);font:12px var(--font)}.article{font-size:16px}.article-head{margin-bottom:28px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}}