:root{
  --bg:#0a0a0f; --panel:#12121a; --panel-2:#1a1a24; --border:#2a2a38;
  --ink:#e6e6f0; --ink-soft:#c4b5ff; --ink-mute:#8a8aa0;
  --accent:#a78bfa; --accent-2:#22d3ee;
}
*{box-sizing:border-box}
html,body{margin:0;padding:0;background:var(--bg);color:var(--ink);font:16px/1.65 -apple-system,BlinkMacSystemFont,"Segoe UI",system-ui,sans-serif;-webkit-font-smoothing:antialiased}
a{color:var(--ink-soft);text-decoration:none} a:hover{text-decoration:underline}
.nav{position:sticky;top:0;z-index:50;backdrop-filter:blur(12px);background:rgba(10,10,15,.85);border-bottom:1px solid var(--border)}
.nav-in{max-width:920px;margin:0 auto;padding:14px 20px;display:flex;align-items:center;gap:12px;flex-wrap:wrap}
.brand{font-weight:800;font-size:18px;background:linear-gradient(135deg,var(--accent),var(--accent-2));-webkit-background-clip:text;background-clip:text;color:transparent}
.nav-spacer{flex:1}
.nav a.nav-link{padding:6px 10px;border-radius:8px;font-size:14px;font-weight:600}
.nav a.nav-link:hover{background:var(--panel-2);text-decoration:none}
.lang-switch{display:inline-flex;gap:2px;background:var(--panel-2);border:1px solid var(--border);border-radius:8px;padding:2px}
.lang-switch a{padding:5px 10px;font-size:12px;font-weight:700;color:var(--ink-mute);border-radius:6px}
.lang-switch a.active{background:linear-gradient(135deg,var(--accent),var(--accent-2));color:#0a0a0f}
main{max-width:760px;margin:0 auto;padding:36px 20px 80px}
.crumbs{font-size:13px;color:var(--ink-mute);margin-bottom:16px}
.crumbs a{color:var(--ink-mute)}
h1{font-size:34px;line-height:1.2;margin:0 0 12px;letter-spacing:-.02em}
h2{font-size:24px;margin:32px 0 12px;letter-spacing:-.01em}
h3{font-size:19px;margin:24px 0 8px}
.lead{font-size:18px;color:var(--ink-soft);margin:0 0 22px}
.meta{font-size:13px;color:var(--ink-mute);margin-bottom:24px}
article p, article li{color:var(--ink)}
article ul, article ol{padding-left:22px}
article li{margin:6px 0}
table{width:100%;border-collapse:collapse;margin:16px 0;font-size:14px}
th,td{padding:10px;border-bottom:1px solid var(--border);text-align:left;vertical-align:top}
th{color:var(--ink-soft);font-weight:700;font-size:13px;text-transform:uppercase;letter-spacing:.04em}
blockquote{margin:20px 0;padding:14px 18px;border-left:3px solid var(--accent);background:var(--panel);border-radius:0 8px 8px 0;color:var(--ink-soft)}
code{background:var(--panel-2);padding:2px 6px;border-radius:4px;font-size:.9em;font-family:ui-monospace,SFMono-Regular,Menlo,monospace}
pre{background:var(--panel);border:1px solid var(--border);border-radius:10px;padding:16px;overflow-x:auto;font-size:13.5px}
pre code{background:transparent;padding:0}
.cta{margin:28px 0;padding:22px;background:linear-gradient(135deg,rgba(167,139,250,.12),rgba(34,211,238,.08));border:1px solid var(--border);border-radius:14px;text-align:center}
.cta-btn{display:inline-block;margin-top:10px;padding:10px 22px;background:linear-gradient(135deg,var(--accent),var(--accent-2));color:#0a0a0f;font-weight:700;border-radius:10px;text-decoration:none}
.faq details{border:1px solid var(--border);border-radius:10px;padding:12px 16px;margin:10px 0;background:var(--panel)}
.faq summary{cursor:pointer;font-weight:700;font-size:15px}
.faq details[open] summary{margin-bottom:8px}
.post-list{list-style:none;padding:0;margin:24px 0 0}
.post-list li{background:var(--panel);border:1px solid var(--border);border-radius:12px;padding:20px 22px;margin-bottom:14px;transition:transform .12s,border-color .12s}
.post-list li:hover{transform:translateY(-2px);border-color:var(--accent)}
.post-list a{color:var(--ink);font-size:18px;font-weight:700}
.post-list .desc{color:var(--ink-mute);font-size:14px;margin-top:6px}
.footer{max-width:920px;margin:0 auto;padding:24px 20px;color:var(--ink-mute);font-size:13px;text-align:center;border-top:1px solid var(--border)}
@media(max-width:640px){h1{font-size:26px}h2{font-size:20px}main{padding:24px 16px 60px}}


/* Responsive blog */
img{max-width:100%;height:auto}
@media (max-width:900px){.blog-grid,.posts-grid{grid-template-columns:repeat(2,minmax(0,1fr))!important}}
@media (max-width:640px){
  .blog-grid,.posts-grid{grid-template-columns:1fr!important}
  .blog-wrap,.post-wrap{padding-left:16px!important;padding-right:16px!important}
  h1{overflow-wrap:anywhere}
}