/* ============================================================
   ARTICLE DETAIL — single.php
   ============================================================ */

/* ── Article hero ─────────────────────────────────── */
.article-hero {
  position: relative; width: 100%;
  height: 520px; margin-top: 64px;
  overflow: hidden;
}
.article-hero-img { position: absolute; inset: 0; }
.article-hero-img img { width: 100%; height: 100%; object-fit: cover; object-position: center 30%; }
.article-hero-overlay {
  position: absolute; inset: 0;
  background: linear-gradient(180deg,
    rgba(15,37,64,0.30) 0%,
    rgba(15,37,64,0.15) 40%,
    rgba(15,37,64,0.70) 85%,
    rgba(15,37,64,0.92) 100%
  );
}
.article-hero-content {
  position: absolute; bottom: 0; left: 0; right: 0;
  z-index: 2; padding: var(--sp-6) var(--sp-4) var(--sp-8);
}
.article-hero-inner { max-width: 800px; margin: 0 auto; color: var(--c-white); }
.article-breadcrumb {
  display: flex; align-items: center; gap: 0.375rem;
  font-size: 0.6875rem; color: rgba(255,255,255,0.45);
  margin-bottom: var(--sp-3);
}
.article-breadcrumb a { color: rgba(255,255,255,0.55); transition: color var(--t); }
.article-breadcrumb a:hover { color: var(--c-gold); }
.article-breadcrumb span { margin: 0 0.25rem; }
.article-badge-row { display: flex; align-items: center; gap: 0.75rem; margin-bottom: var(--sp-2); flex-wrap: wrap; }
.article-badge {
  display: inline-flex; align-items: center; gap: 0.375rem;
  background: rgba(200,169,110,0.18); border: 1px solid rgba(200,169,110,0.40);
  border-radius: 2rem; padding: 0.25rem 0.75rem;
  font-size: 0.6875rem; font-weight: 500; color: var(--c-gold);
  letter-spacing: 0.06em; text-transform: uppercase;
}
.article-cat {
  font-size: 0.6875rem; font-weight: 500; color: rgba(255,255,255,0.65);
  letter-spacing: 0.04em;
}
.article-title {
  font-family: var(--font-chinese); font-size: clamp(1.5rem, 4vw, 2.25rem);
  font-weight: 700; line-height: 1.35; color: var(--c-white);
  margin-bottom: var(--sp-3); letter-spacing: 0.02em;
}
.article-meta-row {
  display: flex; align-items: center; gap: var(--sp-3); flex-wrap: wrap;
}
.article-meta { font-size: 0.75rem; color: rgba(255,255,255,0.50); display: flex; align-items: center; gap: 0.375rem; }
.article-meta-avatar {
  width: 24px; height: 24px; border-radius: 50%;
  background: rgba(255,255,255,0.15);
  display: flex; align-items: center; justify-content: center;
  font-size: 0.625rem; font-weight: 600; color: var(--c-gold);
}

/* ── Article layout ───────────────────────────────── */
.article-layout {
  display: grid;
  grid-template-columns: 1fr 320px;
  gap: var(--sp-8);
  max-width: 1200px; margin: 0 auto;
  padding: var(--sp-8) var(--sp-4);
}

/* ── Article content ─────────────────────────────── */
.article-body {
  max-width: 720px;
}
.article-body p {
  font-family: var(--font-chinese);
  font-size: 1.0625rem; line-height: 2;
  color: var(--c-graphite); margin-bottom: var(--sp-4);
}
.article-body h2 {
  font-family: var(--font-chinese); font-size: 1.375rem; font-weight: 700;
  color: var(--c-carbon); margin: var(--sp-8) 0 var(--sp-3);
  padding-bottom: var(--sp-2);
  border-bottom: 2px solid var(--c-navy);
}
.article-body h3 {
  font-family: var(--font-chinese); font-size: 1.125rem; font-weight: 600;
  color: var(--c-carbon); margin: var(--sp-6) 0 var(--sp-2);
}
.article-body blockquote {
  position: relative; margin: var(--sp-6) 0;
  padding: var(--sp-4) var(--sp-4) var(--sp-4) var(--sp-6);
  background: var(--c-ash);
  border-left: 3px solid var(--c-navy);
  border-radius: 0 var(--r-card) var(--r-card) 0;
}
.article-body blockquote p {
  font-family: var(--font-chinese);
  font-size: 1.0625rem; font-weight: 500;
  color: var(--c-navy); line-height: 1.85;
  font-style: normal; margin-bottom: 0;
}
.article-body blockquote cite {
  display: block; margin-top: var(--sp-2);
  font-family: var(--font-body); font-style: normal;
  font-size: 0.8125rem; color: var(--c-pewter);
}
.article-body ul, .article-body ol {
  padding-left: 0; margin-bottom: var(--sp-4);
}
.article-body li {
  font-family: var(--font-chinese);
  font-size: 1.0625rem; line-height: 2;
  color: var(--c-graphite);
  padding-left: var(--sp-3); margin-bottom: var(--sp-1);
  position: relative;
}
.article-body li::before {
  content: ''; position: absolute; left: 0; top: 0.9em;
  width: 6px; height: 6px; border-radius: 50%;
  background: var(--c-navy);
}
.article-body ol { counter-reset: ol-counter; }
.article-body ol li::before {
  content: counter(ol-counter); width: auto; height: auto;
  border-radius: 0; background: none;
  font-family: var(--font-body); font-weight: 600;
  font-size: 0.875rem; color: var(--c-navy);
  top: 0.15em; left: -0.25rem;
}
.article-body ol li { counter-increment: ol-counter; padding-left: var(--sp-4); }

/* ── Inline image ────────────────────────────────── */
.article-inline-img {
  margin: var(--sp-6) 0; border-radius: var(--r-card);
  overflow: hidden;
}
.article-inline-img img { width: 100%; display: block; }
.article-inline-img figcaption {
  padding: var(--sp-2) var(--sp-3);
  font-size: 0.75rem; color: var(--c-pewter);
  text-align: center; background: var(--c-ash);
}

/* ── Image grid (2-col) ──────────────────────────── */
.article-img-grid {
  display: grid; grid-template-columns: 1fr 1fr;
  gap: var(--sp-2); margin: var(--sp-6) 0;
}
.article-img-grid .article-inline-img { margin: 0; border-radius: var(--r-card); }

/* ── Stats highlight row ─────────────────────────── */
.article-stats {
  display: grid; grid-template-columns: repeat(4, 1fr);
  gap: var(--sp-3); margin: var(--sp-6) 0;
}
.article-stat {
  text-align: center; padding: var(--sp-4) var(--sp-2);
  background: var(--c-ash); border-radius: var(--r-card);
}
.article-stat-num {
  font-family: var(--font-display); font-size: 2rem;
  font-weight: 700; color: var(--c-navy); line-height: 1;
  margin-bottom: var(--sp-1);
}
.article-stat-label {
  font-size: 0.6875rem; font-weight: 500;
  color: var(--c-pewter); letter-spacing: 0.04em;
}

/* ── Info callout ────────────────────────────────── */
.article-callout {
  padding: var(--sp-4); margin: var(--sp-6) 0;
  background: rgba(26,58,92,0.04);
  border: 1px solid rgba(26,58,92,0.12);
  border-radius: var(--r-card);
}
.article-callout-title {
  font-family: var(--font-chinese); font-size: 0.9375rem;
  font-weight: 600; color: var(--c-navy);
  margin-bottom: var(--sp-2);
  display: flex; align-items: center; gap: 0.375rem;
}
.article-callout p {
  font-size: 0.9375rem; line-height: 1.8; margin-bottom: var(--sp-2);
}
.article-callout p:last-child { margin-bottom: 0; }

/* ── Article divider ─────────────────────────────── */
.article-divider {
  display: flex; align-items: center; gap: var(--sp-2);
  margin: var(--sp-8) 0; color: var(--c-silver);
}
.article-divider::before,
.article-divider::after {
  content: ''; flex: 1; height: 1px; background: var(--c-cloud);
}

/* ── Tags ────────────────────────────────────────── */
.article-tags {
  display: flex; align-items: center; gap: 0.5rem;
  flex-wrap: wrap; margin-top: var(--sp-4);
}
.article-tags-label {
  font-size: 0.75rem; font-weight: 500; color: var(--c-pewter);
}
.article-tag {
  font-size: 0.6875rem; font-weight: 500;
  padding: 0.25rem 0.625rem; border-radius: 2px;
  background: var(--c-ash); color: var(--c-navy);
  transition: background var(--t), color var(--t); cursor: pointer;
}
.article-tag:hover { background: var(--c-navy); color: var(--c-white); }

/* ── Share bar ───────────────────────────────────── */
.article-share {
  display: flex; align-items: center; gap: var(--sp-3);
  margin-top: var(--sp-6); padding-top: var(--sp-4);
  border-top: 1px solid var(--c-cloud);
}
.article-share-label { font-size: 0.75rem; font-weight: 500; color: var(--c-pewter); }
.article-share-btn {
  width: 36px; height: 36px; border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: 0.8125rem; font-weight: 500;
  color: var(--c-pewter); border: 1px solid var(--c-cloud);
  transition: color var(--t), border-color var(--t), background var(--t);
}
.article-share-btn:hover { color: var(--c-navy); border-color: var(--c-navy); background: rgba(26,58,92,0.04); }

/* ============================================================
   SIDEBAR
   ============================================================ */
.article-sidebar { position: relative; }
.sidebar-sticky { position: sticky; top: 88px; }

.sidebar-card {
  background: var(--c-ash); border-radius: var(--r-card);
  padding: var(--sp-4); margin-bottom: var(--sp-4);
}
.sidebar-card-title {
  font-family: var(--font-chinese); font-size: 0.8125rem;
  font-weight: 600; color: var(--c-carbon);
  margin-bottom: var(--sp-3); letter-spacing: 0.04em;
  display: flex; align-items: center; gap: 0.375rem;
}

/* ── Related articles ────────────────────────────── */
.related-list { display: flex; flex-direction: column; gap: 0; }
.related-item {
  display: flex; gap: var(--sp-3); padding: var(--sp-3) 0;
  border-bottom: 1px solid var(--c-cloud);
  transition: background var(--t); cursor: pointer; border-radius: var(--r-btn);
  text-decoration: none; color: inherit;
}
.related-item:last-child { border-bottom: none; padding-bottom: 0; }
.related-item:first-child { padding-top: 0; }
.related-item:hover .related-title { color: var(--c-navy); }
.related-thumb {
  width: 80px; height: 56px; border-radius: 6px;
  overflow: hidden; flex-shrink: 0; background: var(--c-cloud);
}
.related-thumb img { width: 100%; height: 100%; object-fit: cover; }
.related-content { flex: 1; min-width: 0; }
.related-title {
  font-family: var(--font-chinese); font-size: 0.8125rem;
  font-weight: 600; color: var(--c-carbon); line-height: 1.5;
  display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden;
  transition: color var(--t);
}
.related-date { font-size: 0.625rem; color: var(--c-silver); margin-top: 0.25rem; }

/* ── CTA card ────────────────────────────────────── */
.sidebar-cta {
  background: var(--c-navy); border-radius: var(--r-card);
  padding: var(--sp-4); color: var(--c-white); text-align: center;
}
.sidebar-cta-title {
  font-family: var(--font-chinese); font-size: 1rem;
  font-weight: 700; margin-bottom: var(--sp-1);
}
.sidebar-cta-desc {
  font-size: 0.75rem; color: rgba(255,255,255,0.55);
  line-height: 1.65; margin-bottom: var(--sp-3);
}
.sidebar-cta-btn {
  display: inline-flex; align-items: center; justify-content: center;
  width: 100%; height: 40px;
  background: var(--c-gold); color: var(--c-navy-dark);
  font-size: 0.8125rem; font-weight: 600;
  border-radius: var(--r-btn); transition: background var(--t);
}
.sidebar-cta-btn:hover { background: #d4b87a; }

/* ============================================================
   RELATED NEWS SECTION (below article)
   ============================================================ */
.related-section {
  background: var(--c-ash); padding: var(--sp-12) var(--sp-4);
}
.related-section-inner {
  max-width: 1200px; margin: 0 auto;
}
.related-section-header {
  display: flex; align-items: center; justify-content: space-between;
  margin-bottom: var(--sp-6);
}
.related-section-title {
  font-family: var(--font-chinese); font-size: 1.375rem;
  font-weight: 700; color: var(--c-carbon);
}
.related-section-more {
  font-size: 0.8125rem; font-weight: 500; color: var(--c-navy);
  display: flex; align-items: center; gap: 0.25rem;
  transition: gap var(--t);
}
.related-section-more:hover { gap: 0.5rem; }
.related-grid {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--sp-4);
}
.related-news-card {
  border-radius: var(--r-card); overflow: hidden;
  background: var(--c-white);
  transition: box-shadow var(--t), transform var(--t);
  display: flex; flex-direction: column;
  text-decoration: none; color: inherit;
}
.related-news-card:hover {
  box-shadow: 0 8px 32px rgba(0,0,0,0.08);
  transform: translateY(-3px);
}
.related-news-card .news-card-img { aspect-ratio: 16/9; overflow: hidden; background: var(--c-cloud); }
.related-news-card .news-card-img img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.5s ease; }
.related-news-card:hover .news-card-img img { transform: scale(1.05); }
.related-news-card .news-card-body { padding: var(--sp-3); flex: 1; display: flex; flex-direction: column; }
.related-news-card .news-card-meta { display: flex; align-items: center; gap: var(--sp-2); margin-bottom: var(--sp-2); }
.related-news-card .news-tag { background: var(--c-ash); color: var(--c-navy); font-size: 0.625rem; font-weight: 500; letter-spacing: 0.06em; text-transform: uppercase; padding: 0.25rem 0.5rem; border-radius: 2px; }
.related-news-card .news-date { font-size: 0.6875rem; color: var(--c-silver); }
.related-news-card .news-card-title { font-family: var(--font-chinese); font-size: 1rem; font-weight: 600; color: var(--c-carbon); line-height: 1.5; margin-bottom: var(--sp-2); transition: color var(--t); display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.related-news-card:hover .news-card-title { color: var(--c-navy); }
.related-news-card .news-card-footer { display: flex; align-items: center; justify-content: space-between; padding-top: var(--sp-2); border-top: 1px solid var(--c-cloud); margin-top: auto; }
.related-news-card .news-author { font-size: 0.6875rem; color: var(--c-pewter); }
.related-news-card .news-read-link { font-size: 0.6875rem; font-weight: 500; color: var(--c-navy); display: flex; align-items: center; gap: 0.25rem; transition: gap var(--t); }
.related-news-card:hover .news-read-link { gap: 0.5rem; }

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 1024px) {
  .article-layout { grid-template-columns: 1fr; }
  .sidebar-sticky { position: static; }
}

@media (max-width: 768px) {
  .article-hero { height: 400px; }
  .article-hero-content { padding: var(--sp-4) var(--sp-4) var(--sp-6); }
  .article-stats { grid-template-columns: repeat(2, 1fr); }
  .article-img-grid { grid-template-columns: 1fr; }
  .related-grid { grid-template-columns: 1fr; }
}

@media (max-width: 480px) {
  .article-hero { height: 340px; }
  .article-body p { font-size: 1rem; }
}