/* ---------- blog ---------- */
.blog-main{padding-top:74px}
.blog-hero{padding:90px 0 40px}
.crumbs{display:flex;flex-wrap:wrap;gap:10px;color:var(--dim);font-size:11px;margin-bottom:26px}
.crumbs a{color:var(--muted);transition:color .2s}
.crumbs a:hover{color:var(--cyan)}
.blog-hero h1{font-size:clamp(40px,6vw,80px);margin:0 0 18px;max-width:16ch}
.blog-lead{color:var(--muted);font-size:18px;max-width:620px}
.chips{display:flex;flex-wrap:wrap;gap:8px;margin-top:34px}
.chip{display:inline-flex;align-items:center;gap:8px;padding:8px 14px;border-radius:999px;border:1px solid var(--line2);font-size:13.5px;color:var(--muted);transition:all .25s}
.chip em{font-style:normal;font-family:var(--mono);font-size:11px;color:var(--dim)}
.chip:hover{color:var(--text);border-color:rgba(34,227,242,.4)}
.chip.on{background:rgba(34,227,242,.1);border-color:rgba(34,227,242,.5);color:var(--cyan)}
.blog-list{padding:30px 0 100px}
.feature-post{display:grid;grid-template-columns:1.25fr 1fr;border-radius:28px;border:1px solid var(--line);overflow:hidden;margin-bottom:16px;background:linear-gradient(180deg,rgba(255,255,255,.03),rgba(255,255,255,.008));transition:border-color .35s}
.feature-post:hover{border-color:rgba(34,227,242,.3)}
.feature-post .pc-img{aspect-ratio:auto;min-height:340px}
.feature-post .pc-img img{position:absolute;inset:0}
.fp-body{padding:40px;display:flex;flex-direction:column;justify-content:center;gap:16px}
.fp-body h2{font-size:clamp(26px,3vw,38px);max-width:none;line-height:1.1}
.fp-body p{color:var(--muted)}
.read{color:var(--cyan);font-size:12px;margin-top:6px}
.pc-date{color:var(--dim);font-size:11px;margin-top:auto;padding-top:8px}
.pager{display:flex;align-items:center;justify-content:center;gap:20px;margin-top:48px;color:var(--dim)}
.empty{text-align:center;padding:80px 0;color:var(--muted)}
.empty h2{margin:0 auto 12px}
.blog-cta{padding:0 0 120px}
.mini-cta{display:flex;align-items:center;justify-content:space-between;gap:30px;padding:40px;border-radius:28px;border:1px solid var(--line2);background:radial-gradient(600px 300px at 0% 0%,rgba(34,227,242,.12),transparent 60%),radial-gradient(600px 300px at 100% 100%,rgba(255,122,47,.10),transparent 60%),#070A0E;flex-wrap:wrap}
.mini-cta h2{font-size:clamp(26px,3vw,40px);max-width:20ch}
.mini-cta p{color:var(--muted);margin-top:8px}

/* article */
.readprog{position:fixed;top:0;left:0;right:0;height:2px;z-index:60}
.readprog i{display:block;height:100%;background:linear-gradient(90deg,var(--cyan),var(--orange));transform-origin:left;transform:scaleX(0)}
.preview-bar{position:sticky;top:74px;z-index:40;background:rgba(255,122,47,.12);border-bottom:1px solid rgba(255,122,47,.35);color:var(--orange);text-align:center;padding:10px;font-size:11px}
.preview-bar a{text-decoration:underline}
.art-head{padding-top:80px;padding-bottom:36px;max-width:900px}
.art-head h1{font-size:clamp(36px,5.4vw,64px);line-height:1.04;margin:0 0 20px;max-width:none}
.art-dek{font-size:20px;color:var(--muted);line-height:1.5;margin-bottom:24px}
.art-meta{display:flex;flex-wrap:wrap;gap:10px;color:var(--dim);font-size:11px}
.art-cover{max-width:1100px;margin-bottom:56px}
.art-cover img{width:100%;border-radius:24px;border:1px solid var(--line);aspect-ratio:16/9;object-fit:cover}
.art-grid{display:grid;grid-template-columns:240px minmax(0,720px);gap:64px;justify-content:center;padding-bottom:80px}
.art-side{position:sticky;top:110px;align-self:start;display:grid;gap:34px}
.toc .mono,.share .mono{color:var(--dim);font-size:11px;margin-bottom:12px}
.toc ol{list-style:none;display:grid;gap:9px;border-left:1px solid var(--line);padding-left:14px}
.toc li.l3{padding-left:12px}
.toc a{color:var(--muted);font-size:13.5px;line-height:1.4;display:block;transition:color .2s}
.toc a:hover{color:var(--cyan)}
.share{display:flex;flex-direction:column;align-items:flex-start;gap:8px}
.share a,.share button{font-size:13.5px;color:var(--muted);transition:color .2s}
.share a:hover,.share button:hover{color:var(--cyan)}
.prose{font-size:18px;line-height:1.75;color:#C9D0D8}
.prose>*+*{margin-top:1.15em}
.prose h2{font-size:clamp(26px,3vw,34px);color:var(--text);line-height:1.2;margin-top:2.1em;max-width:none;scroll-margin-top:100px}
.prose h3{font-size:22px;font-weight:500;color:var(--text);letter-spacing:-.02em;margin-top:1.8em;scroll-margin-top:100px}
.prose h4{font-size:18px;font-weight:600;color:var(--text);margin-top:1.6em}
.prose a{color:var(--cyan);text-decoration:underline;text-decoration-color:rgba(34,227,242,.35);text-underline-offset:3px}
.prose a:hover{text-decoration-color:var(--cyan)}
.prose strong{color:var(--text);font-weight:600}
.prose ul,.prose ol{padding-left:1.3em}
.prose li+li{margin-top:.45em}
.prose li::marker{color:var(--cyan)}
.prose blockquote{border-left:2px solid var(--cyan);padding:4px 0 4px 22px;color:var(--text);font-size:20px;font-style:italic;font-family:var(--serif)}
.prose code{font-family:var(--mono);font-size:.85em;background:rgba(255,255,255,.06);border:1px solid var(--line);padding:2px 6px;border-radius:6px;color:#E6EDF3}
.prose pre{background:#070A0E;border:1px solid var(--line);border-radius:14px;padding:18px 20px;overflow:auto;font-size:14px;line-height:1.6}
.prose pre code{background:none;border:0;padding:0}
.prose img{border-radius:16px;border:1px solid var(--line);margin:1.6em 0}
.prose hr{border:0;height:1px;background:var(--line);margin:2.4em 0}
.prose .table-wrap{overflow-x:auto;border:1px solid var(--line);border-radius:14px}
.prose table{border-collapse:collapse;width:100%;font-size:15px}
.prose th,.prose td{text-align:left;padding:12px 14px;border-bottom:1px solid var(--line)}
.prose th{color:var(--text);font-weight:500;background:rgba(255,255,255,.025)}
.prose tr:last-child td{border-bottom:0}
.art-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:2.4em}
.author-box{display:flex;gap:18px;align-items:flex-start;padding:24px;border-radius:20px;border:1px solid var(--line);margin-top:2em;background:rgba(255,255,255,.015)}
.author-box img{border-radius:14px;flex:none}
.author-box b{color:var(--text);font-weight:500}
.author-box p{font-size:15px;color:var(--muted);line-height:1.55;margin-top:4px}
.prose .mini-cta{margin-top:2.4em;padding:30px}
.prose .mini-cta h2{margin:0;font-size:26px}
.prose .mini-cta p{font-size:15px}
.related{padding:40px 0 120px;border-top:1px solid var(--line)}
.related .post-card h3{font-size:18px}

@media (max-width:1060px){
  .art-grid{grid-template-columns:minmax(0,720px);gap:0}
  .art-side{position:static;order:2;margin-top:40px;grid-template-columns:1fr}
  .toc{display:none}
  .share{flex-direction:row;flex-wrap:wrap;gap:16px;align-items:center}
  .share .mono{margin:0}
}
@media (max-width:820px){
  .feature-post{grid-template-columns:1fr}
  .feature-post .pc-img{min-height:0;aspect-ratio:16/9}
  .fp-body{padding:26px}
}
@media (max-width:640px){
  .blog-hero{padding:56px 0 20px}
  .blog-lead{font-size:16px}
  .art-head{padding-top:48px}
  .art-dek{font-size:17px}
  .prose{font-size:16.5px}
  .art-cover{margin-bottom:36px}
  .art-cover img{border-radius:16px}
  .mini-cta{padding:26px}
  .mini-cta .btn{width:100%;justify-content:center}
  .chips{flex-wrap:nowrap;overflow-x:auto;margin-left:-16px;margin-right:-16px;padding:0 16px 6px;scrollbar-width:none}
  .chips::-webkit-scrollbar{display:none}
  .chip{flex:none}
}