.blog-main {
  position: relative;
  z-index: 1;
  max-width: 1200px;
  margin: 0 auto;
  padding: 3rem 1.5rem 4rem;
}

.blog-hero {
  text-align: center;
  padding: 3rem 1rem 2rem;
}
.blog-title {
  font-size: 3rem;
  font-weight: 900;
  margin: 0.5rem 0 1rem;
  line-height: 1.2;
}
.blog-sub {
  color: var(--text-dim);
  font-size: 1.05rem;
  margin-bottom: 2rem;
  line-height: 1.8;
}
.blog-search {
  max-width: 500px;
  margin: 0 auto;
}
.blog-search input {
  width: 100%;
  padding: 0.9rem 1.3rem;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--panel-border);
  border-radius: 999px;
  color: var(--text);
  font-family: inherit;
  font-size: 1rem;
}
.blog-search input:focus {
  outline: none;
  border-color: var(--primary);
  background: rgba(99, 102, 241, 0.08);
}

.categories-section { margin: 2rem 0; }
.categories {
  display: flex;
  gap: 0.5rem;
  justify-content: center;
  flex-wrap: wrap;
}
.category-chip {
  padding: 0.5rem 1.2rem;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--panel-border);
  color: var(--text-dim);
  border-radius: 999px;
  cursor: pointer;
  font-family: inherit;
  font-size: 0.85rem;
  font-weight: 600;
  transition: all 0.2s;
}
.category-chip:hover { background: rgba(255, 255, 255, 0.1); }
.category-chip.active {
  background: linear-gradient(135deg, var(--primary), var(--accent));
  color: white;
  border-color: transparent;
}

.articles-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  margin: 2rem 0;
}
.article-card {
  background: var(--panel);
  border: 1px solid var(--panel-border);
  border-radius: 16px;
  overflow: hidden;
  text-decoration: none;
  color: var(--text);
  transition: all 0.3s;
  display: flex;
  flex-direction: column;
}
.article-card:hover {
  transform: translateY(-4px);
  border-color: rgba(99, 102, 241, 0.3);
  box-shadow: 0 10px 30px rgba(99, 102, 241, 0.15);
}
.article-card.featured {
  grid-column: 1 / -1;
  display: grid;
  grid-template-columns: 1fr 1.5fr;
  padding: 0;
}
.article-cover {
  background: linear-gradient(135deg, rgba(99, 102, 241, 0.25), rgba(236, 72, 153, 0.15));
  padding: 2rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: 200px;
  position: relative;
}
.article-emoji { font-size: 4rem; line-height: 1; filter: drop-shadow(0 5px 15px rgba(0,0,0,0.3)); }
.article-category {
  position: absolute;
  top: 1rem;
  right: 1rem;
  background: rgba(0, 0, 0, 0.4);
  padding: 0.3rem 0.9rem;
  border-radius: 999px;
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--primary-light);
  backdrop-filter: blur(10px);
}
.article-card.featured .article-cover {
  min-height: 260px;
}
.article-card.featured .article-emoji { font-size: 6rem; }
.article-body {
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.8rem;
  flex: 1;
}
.article-meta {
  display: flex;
  gap: 1rem;
  font-size: 0.8rem;
  color: var(--text-muted);
}
.article-title {
  font-size: 1.15rem;
  font-weight: 700;
  line-height: 1.5;
  margin: 0;
}
.article-card.featured .article-title { font-size: 1.5rem; }
.article-excerpt {
  color: var(--text-dim);
  font-size: 0.9rem;
  line-height: 1.7;
  margin: 0;
  flex: 1;
}
.article-tags {
  display: flex;
  gap: 0.4rem;
  flex-wrap: wrap;
}
.tag {
  font-size: 0.75rem;
  padding: 0.2rem 0.6rem;
  background: rgba(99, 102, 241, 0.1);
  color: var(--primary-light);
  border-radius: 6px;
  font-weight: 600;
}

.active-nav { color: var(--primary-light) !important; font-weight: 700 !important; }

.newsletter-section { margin-top: 4rem; }
.newsletter-box {
  background: linear-gradient(135deg, rgba(99, 102, 241, 0.15), rgba(236, 72, 153, 0.08));
  border: 1px solid rgba(99, 102, 241, 0.3);
  border-radius: 18px;
  padding: 2.5rem;
  text-align: center;
}
.newsletter-box h2 { font-size: 1.5rem; font-weight: 800; margin-bottom: 0.5rem; }
.newsletter-box > p { color: var(--text-dim); margin-bottom: 1.5rem; }
.newsletter-form {
  display: flex;
  gap: 0.75rem;
  max-width: 480px;
  margin: 0 auto;
}
.newsletter-form input {
  flex: 1;
  padding: 0.8rem 1rem;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid var(--panel-border);
  border-radius: 10px;
  color: var(--text);
  font-family: inherit;
}
.newsletter-note { font-size: 0.75rem; color: var(--text-muted); margin-top: 1rem; }

/* ============================ Article page ============================ */
.article-main {
  position: relative;
  z-index: 1;
  max-width: 800px;
  margin: 0 auto;
  padding: 3rem 1.5rem 4rem;
}
.article-wrapper {
  background: var(--panel);
  border: 1px solid var(--panel-border);
  border-radius: 18px;
  padding: 3rem 2.5rem;
}
.article-breadcrumb { margin-bottom: 2rem; }
.article-breadcrumb a {
  color: var(--primary-light);
  text-decoration: none;
  font-size: 0.9rem;
  font-weight: 600;
}
.article-breadcrumb a:hover { text-decoration: underline; }
.article-cat-badge {
  display: inline-block;
  padding: 0.35rem 1rem;
  background: rgba(99, 102, 241, 0.15);
  color: var(--primary-light);
  border-radius: 999px;
  font-size: 0.8rem;
  font-weight: 700;
  margin-bottom: 1rem;
}
.article-page-title {
  font-size: 2.2rem;
  font-weight: 900;
  line-height: 1.4;
  margin-bottom: 1rem;
  letter-spacing: -0.01em;
}
.article-page-meta {
  display: flex;
  gap: 0.75rem;
  align-items: center;
  color: var(--text-dim);
  font-size: 0.85rem;
  margin-bottom: 2rem;
}
.meta-dot { color: var(--text-muted); }

.article-cover-large {
  background: linear-gradient(135deg, rgba(99, 102, 241, 0.25), rgba(236, 72, 153, 0.15));
  border-radius: 14px;
  padding: 3rem;
  text-align: center;
  margin-bottom: 2rem;
}
.article-emoji-large { font-size: 6rem; }

.article-body-full {
  font-size: 1rem;
  line-height: 1.9;
  color: var(--text);
}
.article-body-full h2 {
  font-size: 1.5rem;
  font-weight: 800;
  margin: 2.5rem 0 1rem;
  padding-bottom: 0.5rem;
  border-bottom: 2px solid rgba(99, 102, 241, 0.3);
  color: var(--text);
}
.article-body-full h3 {
  font-size: 1.15rem;
  font-weight: 700;
  margin: 1.8rem 0 0.8rem;
  color: var(--primary-light);
}
.article-body-full p { margin: 0.9rem 0; }
.article-body-full strong { color: var(--accent); font-weight: 700; }
.article-body-full em { color: var(--primary-light); font-style: normal; font-weight: 500; }
.article-body-full ul, .article-body-full ol {
  margin: 1rem 0 1rem 1.5rem;
  padding-left: 0.5rem;
}
.article-body-full li { margin: 0.5rem 0; line-height: 1.8; }
.article-body-full blockquote {
  margin: 1.5rem 0;
  padding: 1.25rem 1.5rem;
  background: rgba(236, 72, 153, 0.08);
  border-left: 4px solid var(--accent);
  border-radius: 8px;
  font-style: italic;
}

.article-tags-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin: 2rem 0;
  padding-top: 2rem;
  border-top: 1px solid var(--panel-border);
}
.tag-large {
  padding: 0.4rem 1rem;
  background: rgba(99, 102, 241, 0.1);
  color: var(--primary-light);
  border-radius: 8px;
  font-size: 0.85rem;
  font-weight: 600;
}

.article-cta {
  margin: 3rem 0 2rem;
  padding: 2rem;
  background: linear-gradient(135deg, rgba(99, 102, 241, 0.15), rgba(236, 72, 153, 0.08));
  border: 1px solid rgba(99, 102, 241, 0.25);
  border-radius: 14px;
  text-align: center;
}
.article-cta h3 { font-size: 1.15rem; font-weight: 700; margin-bottom: 0.5rem; }
.article-cta p { color: var(--text-dim); margin-bottom: 1.5rem; font-size: 0.9rem; }

.related-articles h3 {
  font-size: 1.3rem;
  font-weight: 700;
  margin: 2.5rem 0 1.5rem;
}
.related-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
}
.related-card {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--panel-border);
  border-radius: 12px;
  padding: 1.25rem;
  text-decoration: none;
  color: var(--text);
  transition: all 0.2s;
}
.related-card:hover {
  transform: translateY(-2px);
  border-color: rgba(99, 102, 241, 0.3);
}
.related-emoji { font-size: 2rem; margin-bottom: 0.75rem; }
.related-title {
  font-weight: 700;
  font-size: 0.9rem;
  line-height: 1.5;
  margin-bottom: 0.5rem;
}
.related-excerpt {
  font-size: 0.75rem;
  color: var(--text-dim);
  line-height: 1.6;
}

.share-box {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 1.5rem;
  background: rgba(0, 0, 0, 0.2);
  border-radius: 12px;
  margin-top: 2rem;
  flex-wrap: wrap;
}
.share-box > span { color: var(--text-dim); font-size: 0.85rem; font-weight: 600; }
.share-btn {
  padding: 0.5rem 1rem;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--panel-border);
  color: var(--text);
  border-radius: 8px;
  font-family: inherit;
  font-size: 0.85rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s;
}
.share-btn:hover { background: rgba(255, 255, 255, 0.1); }
.share-btn.twitter:hover { background: rgba(29, 155, 240, 0.15); border-color: #1d9bf0; }
.share-btn.line:hover { background: rgba(6, 199, 85, 0.15); border-color: #06C755; }

@media (max-width: 1024px) {
  .articles-grid, .related-grid { grid-template-columns: repeat(2, 1fr); }
  .article-card.featured { grid-template-columns: 1fr; }
}
@media (max-width: 640px) {
  .articles-grid, .related-grid { grid-template-columns: 1fr; }
  .article-page-title { font-size: 1.5rem; }
  .article-wrapper { padding: 2rem 1.5rem; }
  .newsletter-form { flex-direction: column; }
}