:root {
  --bg: #050508;
  --surface: #0c0e14;
  --text: #e8edf5;
  --muted: #8b9cb3;
  --accent: #00d4aa;
  --accent2: #7c6cff;
  --border: #1a2230;
  --radius: 16px;
}
* { box-sizing: border-box; }
body {
  margin: 0 auto;
  max-width: 820px;
  padding: 0 1.25rem 3rem;
  font-family: "Segoe UI", system-ui, -apple-system, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.7;
}
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

.site-header {
  padding: 1.25rem 0;
  border-bottom: 1px solid var(--border);
  margin-bottom: 0;
}
.site-header a { color: var(--muted); font-size: .9rem; }

article.pocon-article { --accent: #00d4aa; }

.blog-banner {
  display: block;
  width: calc(100% + 2.5rem);
  max-width: none;
  margin: 0 -1.25rem 0;
  height: auto;
  border-radius: 0;
}
.blog-banner-wrap {
  position: relative;
  margin: 0 -1.25rem 2rem;
  overflow: hidden;
  border-bottom: 1px solid var(--border);
}
.blog-banner-wrap::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 40%, var(--bg) 100%);
  pointer-events: none;
}

.article-head {
  display: flex;
  gap: 1.25rem;
  align-items: flex-start;
  margin: -3rem 0 2rem;
  position: relative;
  z-index: 1;
}
.article-thumb {
  width: 96px;
  height: 96px;
  border-radius: 20px;
  flex-shrink: 0;
  border: 2px solid var(--border);
  box-shadow: 0 8px 32px rgba(0, 212, 170, .15);
}
.article-head-text h1 {
  margin: 0 0 .5rem;
  font-size: clamp(1.5rem, 4vw, 2rem);
  line-height: 1.2;
  letter-spacing: -.02em;
}
.article-deck { color: var(--muted); margin: 0 0 .75rem; font-size: 1.05rem; }
.article-meta { color: var(--muted); font-size: .85rem; }
.rail-tags { display: flex; flex-wrap: wrap; gap: .4rem; margin-top: .75rem; }
.rail-tag {
  font-size: .7rem;
  font-weight: 700;
  letter-spacing: .06em;
  text-transform: uppercase;
  padding: .25rem .6rem;
  border-radius: 999px;
  border: 1px solid color-mix(in srgb, var(--accent) 40%, transparent);
  color: var(--accent);
  background: color-mix(in srgb, var(--accent) 10%, transparent);
}

.blog-prose {
  font-size: 1.0625rem;
  line-height: 1.75;
}
.blog-prose h2 {
  margin: 2.25rem 0 1rem;
  font-size: 1.35rem;
  color: var(--text);
  border-left: 3px solid var(--accent);
  padding-left: .85rem;
}
.blog-prose h3 { margin: 1.5rem 0 .75rem; font-size: 1.1rem; color: var(--accent2); }
.blog-prose p { margin: 0 0 1.15rem; }
.blog-prose ul, .blog-prose ol { margin: 0 0 1.15rem; padding-left: 1.35rem; }
.blog-prose li { margin-bottom: .4rem; }
.blog-prose strong { color: #fff; }

.blog-faq {
  margin: 2.5rem 0;
  padding: 1.5rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
}
.blog-faq h2 { margin: 0 0 1rem; font-size: 1.2rem; border: none; padding: 0; }
.faq-item { padding: .85rem 0; border-top: 1px solid var(--border); }
.faq-item:first-of-type { border-top: none; padding-top: 0; }
.faq-q { font-weight: 700; margin: 0 0 .35rem; color: var(--text); }
.faq-a { margin: 0; color: var(--muted); font-size: .95rem; }

.blog-cta-card {
  margin: 2.5rem 0 1rem;
  padding: 1.75rem;
  border-radius: var(--radius);
  background: linear-gradient(135deg, color-mix(in srgb, var(--accent) 18%, #0c0e14), color-mix(in srgb, var(--accent2) 12%, #0c0e14));
  border: 1px solid color-mix(in srgb, var(--accent) 35%, var(--border));
  text-align: center;
}
.blog-cta-card h3 { margin: 0 0 .5rem; font-size: 1.25rem; }
.blog-cta-card p { margin: 0 0 1.25rem; color: var(--muted); }
.cta-row { display: flex; flex-wrap: wrap; gap: .65rem; justify-content: center; }
.btn-primary {
  display: inline-block;
  padding: .65rem 1.25rem;
  border-radius: 10px;
  font-weight: 700;
  color: #050508 !important;
  background: linear-gradient(135deg, var(--accent), #38bdf8);
  text-decoration: none !important;
  box-shadow: 0 4px 20px color-mix(in srgb, var(--accent) 30%, transparent);
}
.btn-ghost {
  display: inline-block;
  padding: .65rem 1.25rem;
  border-radius: 10px;
  font-weight: 600;
  color: var(--text) !important;
  border: 1px solid var(--border);
  text-decoration: none !important;
}

.blog-index-hero {
  text-align: center;
  padding: 2.5rem 0 2rem;
  border-bottom: 1px solid var(--border);
  margin-bottom: 2rem;
}
.blog-index-hero h1 { margin: 0 0 .5rem; font-size: 2rem; }
.blog-index-hero .sub { color: var(--muted); max-width: 540px; margin: 0 auto 1rem; }
.post-grid { list-style: none; padding: 0; margin: 0; display: grid; gap: 1.25rem; }
.post-card {
  display: grid;
  grid-template-columns: 88px 1fr;
  gap: 1rem;
  padding: 1.25rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  transition: border-color .2s;
}
.post-card:hover { border-color: color-mix(in srgb, var(--accent) 40%, var(--border)); }
.post-card img { width: 88px; height: 88px; border-radius: 14px; object-fit: cover; }
.post-card h2 { margin: 0 0 .35rem; font-size: 1.05rem; line-height: 1.35; }
.post-card h2 a { color: var(--text); text-decoration: none; }
.post-card h2 a:hover { color: var(--accent); }
.post-card .excerpt { color: var(--muted); font-size: .9rem; margin: 0; }
.post-card .meta { color: var(--muted); font-size: .78rem; margin-top: .5rem; }

.canonical-foot {
  margin-top: 2rem;
  padding-top: 1rem;
  border-top: 1px solid var(--border);
  color: var(--muted);
  font-size: .8rem;
}

@media (max-width: 600px) {
  .article-head { flex-direction: column; margin-top: -2rem; }
  .article-thumb { width: 72px; height: 72px; }
  .post-card { grid-template-columns: 1fr; }
  .post-card img { width: 100%; height: 160px; }
}