/* ============================================================
   YQG Business — Blog styles
   Shared by /blog/ index and every /blog/<slug>/ post
   ============================================================ */

.blog-hero {
  background: var(--yqg-primary);
  position: relative;
  padding: 60px var(--yqg-pad-x) 52px;
  text-align: center;
}
.blog-hero::before { content:''; position:absolute; inset:0; background:var(--yqg-overlay); }
.blog-hero .container { position:relative; z-index:1; max-width:640px; margin:0 auto; }
.blog-hero h1 { font-size:40px; font-weight:var(--yqg-w-bold); letter-spacing:-0.025em; color:#fff; margin-bottom:12px; }
.blog-hero p  { font-size:var(--yqg-fs-lead); color:rgba(255,255,255,.78); line-height:1.6; }

.blog-section {
  background: var(--yqg-page);
  padding: 64px var(--yqg-pad-x) 80px;
}
.blog-grid {
  max-width: var(--yqg-max-w);
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.post-card {
  display: block;
  background: var(--yqg-surface);
  border: 1px solid var(--yqg-line);
  border-radius: var(--yqg-r-card);
  overflow: hidden;
  transition: box-shadow 0.18s, border-color 0.18s, transform 0.18s;
  color: var(--yqg-ink);
}
.post-card:hover { box-shadow: var(--yqg-shadow-hover); border-color: var(--yqg-line); transform: translateY(-2px); }
.post-card-photo {
  height: 160px;
  background: linear-gradient(135deg, var(--navy-800), var(--navy-900));
  display: flex; align-items: center; justify-content: center;
  color: var(--cream-soft);
  font-family: var(--font-display);
  font-size: 15px;
  letter-spacing: 0.04em;
}
.post-card-body { padding: 20px 22px 24px; }
.post-card-tag {
  display: inline-block;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--sunset-deep);
  background: rgba(231,106,46,.10);
  padding: 4px 10px;
  border-radius: 100px;
  margin-bottom: 12px;
}
.post-card h3 {
  font-size: 19px;
  font-weight: var(--yqg-w-bold);
  letter-spacing: -0.01em;
  color: var(--yqg-ink);
  margin-bottom: 8px;
  line-height: 1.3;
}
.post-card p {
  font-size: var(--yqg-fs-small);
  color: var(--yqg-muted);
  line-height: 1.55;
  margin-bottom: 14px;
}
.post-card-date {
  font-size: 12px;
  color: var(--yqg-muted);
}

.blog-empty {
  max-width: 480px;
  margin: 0 auto;
  text-align: center;
  padding: 24px 0 8px;
  color: var(--yqg-muted);
  font-size: var(--yqg-fs-small);
}

/* ---- Single post ---- */
.post-body {
  background: var(--yqg-page);
  padding: 56px var(--yqg-pad-x) 80px;
}
.post-article {
  max-width: 720px;
  margin: 0 auto;
  background: var(--yqg-surface);
  border: 1px solid var(--yqg-line);
  border-radius: 16px;
  padding: 48px 52px;
}
.post-breadcrumb {
  display: block;
  font-size: var(--yqg-fs-small);
  color: var(--yqg-muted);
  margin-bottom: 20px;
  font-weight: var(--yqg-w-medium);
}
.post-breadcrumb:hover { color: var(--yqg-primary); }
.post-meta {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 14px;
  flex-wrap: wrap;
}
.post-article h1 {
  font-size: 32px;
  font-weight: var(--yqg-w-bold);
  letter-spacing: -0.02em;
  color: var(--yqg-ink);
  line-height: 1.2;
  margin-bottom: 20px;
}
.post-article .lead {
  font-size: var(--yqg-fs-lead);
  color: var(--yqg-muted);
  line-height: 1.6;
  margin-bottom: 28px;
}
.post-article p {
  font-size: var(--yqg-fs-body);
  color: var(--yqg-ink);
  line-height: 1.75;
  margin-bottom: 20px;
}
.post-article h2 {
  font-size: 22px;
  font-weight: var(--yqg-w-bold);
  color: var(--yqg-ink);
  margin: 32px 0 14px;
}
.post-article a { color: var(--yqg-primary); font-weight: var(--yqg-w-semibold); }
.post-cta {
  margin-top: 36px;
  padding: 24px 28px;
  background: var(--yqg-page-alt);
  border: 1px dashed var(--yqg-line);
  border-radius: 12px;
  text-align: center;
}
.post-cta p { font-size: var(--yqg-fs-small); color: var(--yqg-muted); margin-bottom: 14px; }

@media (max-width: 960px) {
  .blog-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 700px) {
  .blog-grid { grid-template-columns: 1fr; }
  .post-article { padding: 32px 24px; }
  .post-article h1 { font-size: 26px; }
}