.blog-hero {
  padding: 140px 0 60px;
  text-align: center;
}
.blog-hero h1 {
  font-family: var(--font-display);
  font-size: clamp(2rem, 5vw, 3rem);
  font-weight: 700;
  margin-bottom: 8px;
}
.blog-hero p {
  color: var(--text-muted);
  font-size: 1.1rem;
  max-width: 540px;
  margin: 0 auto;
}
.blog-search-wrap {
  position: relative;
  max-width: 480px;
  margin: 28px auto 0;
}
.blog-search-wrap i {
  position: absolute;
  left: 16px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-dim);
  font-size: 1rem;
}
.blog-search-input {
  width: 100%;
  padding: 12px 16px 12px 44px;
  border-radius: 12px;
  border: 1px solid var(--border);
  background: var(--bg-card);
  color: var(--white);
  font-size: 0.95rem;
  font-family: var(--font-body);
  outline: none;
  transition: border-color 0.2s;
}
.blog-search-input::placeholder {
  color: var(--text-dim);
}
.blog-search-input:focus {
  border-color: var(--accent);
}
.blog-filter-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  justify-content: center;
  margin: 24px auto 48px;
  max-width: 800px;
}
.blog-filter-pill {
  display: inline-block;
  padding: 6px 16px;
  border-radius: 20px;
  font-size: 0.85rem;
  font-weight: 500;
  background: var(--bg-card);
  border: 1px solid var(--border);
  color: var(--text-muted);
  transition: background 0.2s, color 0.2s, border-color 0.2s;
}
.blog-filter-pill:hover,
.blog-filter-pill.active {
  background: var(--accent);
  color: var(--white);
  border-color: var(--accent);
}
.blog-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
  gap: 28px;
  margin-bottom: 48px;
}
.blog-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: transform 0.2s, border-color 0.2s;
}
.blog-card:hover {
  transform: translateY(-4px);
  border-color: var(--steel);
}
.blog-card-img {
  width: 100%;
  height: 200px;
  object-fit: cover;
}
.blog-card-body {
  padding: 20px 24px 24px;
}
.blog-card-meta {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 0.8rem;
  color: var(--text-dim);
  margin-bottom: 10px;
}
.blog-card-meta .cat-pill {
  background: rgba(208, 64, 64, 0.15);
  color: var(--accent);
  padding: 3px 10px;
  border-radius: 12px;
  font-weight: 500;
  font-size: 0.75rem;
}
.blog-card h2 {
  font-family: var(--font-display);
  font-size: 1.2rem;
  font-weight: 600;
  line-height: 1.35;
  margin-bottom: 8px;
  color: var(--white);
}
.blog-card-excerpt {
  color: var(--text-muted);
  font-size: 0.9rem;
  line-height: 1.5;
  margin-bottom: 14px;
}
.blog-card-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.8rem;
  color: var(--text-dim);
}
.blog-card-author {
  font-weight: 500;
  color: var(--text-muted);
}
.blog-card-read {
  color: var(--accent);
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 4px;
  transition: gap 0.2s;
}
.blog-card:hover .blog-card-read {
  gap: 8px;
}
.blog-pagination {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 20px 0 60px;
}
.blog-pagination a,
.blog-pagination span {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 10px;
  font-size: 0.9rem;
  font-weight: 500;
  border: 1px solid var(--border);
  background: var(--bg-card);
  color: var(--text-muted);
  transition: background 0.2s, color 0.2s;
}
.blog-pagination a:hover {
  background: var(--navy-mid);
  color: var(--white);
}
.blog-pagination .active {
  background: var(--accent);
  color: var(--white);
  border-color: var(--accent);
}
.blog-pagination .disabled {
  opacity: 0.35;
  pointer-events: none;
}

.reading-progress {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 3px;
  z-index: 9999;
  background: transparent;
}
.reading-progress-fill {
  height: 100%;
  width: 0%;
  background: var(--accent);
  transition: width 0.1s linear;
}

.blog-post-hero {
  padding: 120px 0 0;
}
.blog-post-back {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--text-muted);
  font-size: 0.9rem;
  margin-bottom: 24px;
  transition: color 0.2s;
}
.blog-post-back:hover {
  color: var(--accent);
}
.blog-post-header {
  max-width: 800px;
  margin: 0 auto 32px;
}
.blog-post-cat {
  display: inline-block;
  background: rgba(208, 64, 64, 0.15);
  color: var(--accent);
  padding: 4px 14px;
  border-radius: 14px;
  font-size: 0.8rem;
  font-weight: 600;
  margin-bottom: 16px;
}
.blog-post-header h1 {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 5vw, 2.8rem);
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: 20px;
}
.blog-post-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 16px;
  font-size: 0.9rem;
  color: var(--text-muted);
  margin-bottom: 8px;
}
.blog-post-meta .author-info {
  display: flex;
  align-items: center;
  gap: 10px;
}
.blog-post-meta .author-avatar {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--navy-mid);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  color: var(--ice);
}
.blog-post-meta .sep {
  color: var(--text-dim);
}
.blog-post-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 12px;
}
.blog-post-tags a,
.blog-tag-pill {
  display: inline-block;
  padding: 4px 12px;
  border-radius: 14px;
  font-size: 0.75rem;
  font-weight: 500;
  background: var(--bg-card);
  border: 1px solid var(--border);
  color: var(--text-muted);
  transition: background 0.2s, color 0.2s;
}
.blog-post-tags a:hover,
.blog-tag-pill:hover {
  background: var(--navy-mid);
  color: var(--white);
}

.blog-share {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-top: 20px;
}
.share-label {
  font-size: 0.85rem;
  color: var(--text-dim);
  font-weight: 500;
  margin-right: 4px;
}
.share-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: 10px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  color: var(--text-muted);
  font-size: 1rem;
  cursor: pointer;
  transition: background 0.2s, color 0.2s, border-color 0.2s;
}
.share-btn:hover {
  background: var(--navy-mid);
  color: var(--white);
  border-color: var(--steel);
}
.share-btn.copied {
  background: rgba(40, 167, 69, 0.15);
  color: #28a745;
  border-color: #28a745;
}

.blog-post-featured-img {
  width: 100%;
  max-width: 900px;
  margin: 0 auto 40px;
  border-radius: var(--radius-lg);
  overflow: hidden;
}
.blog-post-featured-img img {
  width: 100%;
  height: auto;
  display: block;
}

.blog-post-layout {
  display: flex;
  gap: 40px;
  max-width: 1100px;
  margin: 0 auto;
  align-items: flex-start;
}
.blog-post-body {
  flex: 1;
  min-width: 0;
  max-width: 740px;
}

.blog-toc-sidebar {
  width: 240px;
  flex-shrink: 0;
  order: 1;
}
.blog-post-body {
  order: 0;
}
.toc-sticky {
  position: sticky;
  top: 100px;
}
.toc-toggle {
  display: none;
  width: 100%;
  padding: 10px 14px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 10px;
  color: var(--text-muted);
  font-size: 0.85rem;
  font-weight: 500;
  font-family: var(--font-body);
  cursor: pointer;
  align-items: center;
  gap: 8px;
  transition: background 0.2s;
}
.toc-toggle:hover {
  background: var(--navy-mid);
}
.toc-chevron {
  margin-left: auto;
  transition: transform 0.2s;
}
.toc-toggle.open .toc-chevron {
  transform: rotate(180deg);
}
.toc-nav ul {
  list-style: none;
  padding: 0;
  margin: 0;
}
.toc-item {
  margin-bottom: 2px;
}
.toc-item a {
  display: block;
  padding: 6px 12px;
  font-size: 0.82rem;
  color: var(--text-dim);
  border-left: 2px solid var(--border);
  transition: color 0.2s, border-color 0.2s;
  line-height: 1.4;
}
.toc-item a:hover {
  color: var(--accent);
  border-color: var(--accent);
}
.toc-item.toc-h3 a {
  padding-left: 24px;
  font-size: 0.78rem;
}

.blog-post-body h2 {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 600;
  margin-top: 40px;
  margin-bottom: 16px;
  color: var(--white);
  scroll-margin-top: 90px;
}
.blog-post-body h3 {
  font-family: var(--font-display);
  font-size: 1.2rem;
  font-weight: 600;
  margin-top: 32px;
  margin-bottom: 12px;
  color: var(--white);
  scroll-margin-top: 90px;
}
.blog-post-body p {
  color: var(--text);
  font-size: 1.05rem;
  line-height: 1.8;
  margin-bottom: 20px;
}
.blog-post-body a {
  color: var(--accent);
  text-decoration: underline;
  text-underline-offset: 2px;
}
.blog-post-body a:hover {
  color: var(--accent-hover);
}
.blog-post-body strong {
  color: var(--white);
  font-weight: 600;
}
.blog-post-body ul,
.blog-post-body ol {
  margin: 0 0 20px 24px;
  color: var(--text);
  font-size: 1.05rem;
  line-height: 1.8;
}
.blog-post-body li {
  margin-bottom: 6px;
}
.blog-post-body blockquote {
  border-left: 3px solid var(--accent);
  padding: 16px 20px;
  margin: 24px 0;
  background: var(--bg-card);
  border-radius: 0 var(--radius) var(--radius) 0;
  font-style: italic;
  color: var(--text-muted);
}
.blog-post-body blockquote p {
  margin-bottom: 0;
  color: var(--text-muted);
}
.blog-post-body code {
  background: var(--bg-card);
  padding: 2px 8px;
  border-radius: 6px;
  font-size: 0.9em;
  color: var(--ice);
}
.blog-post-body pre {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
  margin: 24px 0;
  overflow-x: auto;
}
.blog-post-body pre code {
  background: none;
  padding: 0;
  font-size: 0.9rem;
  line-height: 1.6;
}
.blog-post-body img {
  border-radius: var(--radius);
  margin: 24px 0;
  max-width: 100%;
  height: auto;
}
.blog-post-body hr {
  border: none;
  border-top: 1px solid var(--border);
  margin: 40px 0;
}

.blog-cta-block {
  background: linear-gradient(135deg, var(--bg-card) 0%, rgba(208, 64, 64, 0.08) 100%);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 48px 32px;
  text-align: center;
  margin: 60px 0 0;
  max-width: 740px;
}
.blog-cta-block .cta-icon {
  width: 56px;
  height: 56px;
  border-radius: 16px;
  background: rgba(208, 64, 64, 0.15);
  color: var(--accent);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  margin-bottom: 20px;
}
.blog-cta-block h3 {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 10px;
}
.blog-cta-block p {
  color: var(--text-muted);
  font-size: 1rem;
  line-height: 1.6;
  margin-bottom: 24px;
  max-width: 460px;
  margin-left: auto;
  margin-right: auto;
}
.blog-cta-block .cta-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 28px;
  border-radius: 12px;
  background: var(--accent);
  color: var(--white);
  font-weight: 600;
  font-size: 0.95rem;
  transition: background 0.2s, transform 0.2s;
}
.blog-cta-block .cta-btn:hover {
  background: var(--accent-hover);
  transform: translateY(-2px);
}

.blog-related {
  margin: 60px 0 0;
  padding-bottom: 80px;
  max-width: 740px;
}
.blog-related h2 {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 24px;
}
.related-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.related-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: transform 0.2s, border-color 0.2s;
}
.related-card:hover {
  transform: translateY(-4px);
  border-color: var(--steel);
}
.related-card-img {
  width: 100%;
  height: 140px;
  object-fit: cover;
}
.related-card-body {
  padding: 16px;
}
.related-card-body .cat-pill {
  background: rgba(208, 64, 64, 0.15);
  color: var(--accent);
  padding: 2px 8px;
  border-radius: 10px;
  font-weight: 500;
  font-size: 0.7rem;
  display: inline-block;
  margin-bottom: 8px;
}
.related-card-body h4 {
  font-family: var(--font-display);
  font-size: 0.95rem;
  font-weight: 600;
  line-height: 1.35;
  color: var(--white);
  margin-bottom: 8px;
}
.related-meta {
  font-size: 0.75rem;
  color: var(--text-dim);
}

.blog-post-bottom {
  max-width: 1100px;
}

.blog-empty {
  text-align: center;
  padding: 80px 24px;
  color: var(--text-muted);
  font-size: 1.1rem;
}
.blog-breadcrumbs {
  margin-bottom: 24px;
}
.blog-breadcrumbs ol {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px;
  list-style: none;
  padding: 0;
  margin: 0;
  font-size: 0.85rem;
}
.blog-breadcrumbs li {
  display: flex;
  align-items: center;
  gap: 6px;
  color: var(--text-dim);
}
.blog-breadcrumbs li::after {
  content: "›";
  color: var(--text-dim);
}
.blog-breadcrumbs li:last-child::after {
  content: "";
}
.blog-breadcrumbs li:last-child {
  color: var(--text-muted);
}
.blog-breadcrumbs a {
  color: var(--text-dim);
  transition: color 0.2s;
}
.blog-breadcrumbs a:hover {
  color: var(--accent);
}

@media (max-width: 1023px) {
  .blog-post-layout {
    flex-direction: column;
    gap: 0;
  }
  .blog-toc-sidebar {
    width: 100%;
    order: -1;
    margin-bottom: 24px;
  }
  .toc-sticky {
    position: static;
  }
  .toc-toggle {
    display: flex;
  }
  .toc-nav {
    display: none;
    padding: 12px 0;
  }
  .toc-nav.open {
    display: block;
  }
  .related-grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }
}

@media (max-width: 768px) {
  .blog-grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }
  .blog-card-img {
    height: 180px;
  }
  .blog-post-body {
    padding-left: 4px;
    padding-right: 4px;
  }
  .blog-cta-block {
    padding: 32px 20px;
  }
  .blog-cta-block h3 {
    font-size: 1.25rem;
  }
  .blog-share {
    flex-wrap: wrap;
  }
  .blog-post-header h1 {
    font-size: 1.6rem;
  }
  .blog-post-meta {
    gap: 10px;
  }
}