/* ─── 房感日報 · Design System ──────────────────────────────────── */

:root {
  --c-navy:      #0F1B2D;
  --c-navy-mid:  #1A2F4A;
  --c-blue:      #1E3A5F;
  --c-gold:      #C9A44A;
  --c-gold-lt:   #E8D5A3;
  --c-red:       #C8382A;
  --c-gray-dark: #2D3748;
  --c-gray:      #718096;
  --c-gray-lt:   #A0AEC0;
  --c-border:    #E2E8F0;
  --c-bg:        #F7F8FA;
  --c-white:     #FFFFFF;

  --ff-serif:  'Noto Serif TC', 'Georgia', serif;
  --ff-sans:   'Noto Sans TC', 'Inter', sans-serif;
  --ff-en:     'Playfair Display', 'Georgia', serif;

  --nav-h: 64px;
  --max-w: 1280px;
  --radius-sm: 4px;
  --radius-md: 8px;
  --shadow-sm: 0 1px 4px rgba(15,27,45,0.06);
  --shadow-md: 0 4px 20px rgba(15,27,45,0.10);
  --shadow-lg: 0 12px 48px rgba(15,27,45,0.14);
  --ease-out: cubic-bezier(0.22,1,0.36,1);
}

/* ── Reset ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--ff-sans);
  background: var(--c-bg);
  color: var(--c-gray-dark);
  -webkit-font-smoothing: antialiased;
  line-height: 1.7;
}
img { display: block; max-width: 100%; }
a { text-decoration: none; color: inherit; }
button { cursor: pointer; font-family: inherit; border: none; background: none; }

/* ── Top Bar ── */
.top-bar {
  background: var(--c-navy);
  color: rgba(255,255,255,0.55);
  font-size: 11.5px;
  padding: 7px 0;
  border-bottom: 1px solid rgba(201,164,74,0.25);
}
.top-bar-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.top-bar-date { font-family: var(--ff-en); letter-spacing: 0.05em; }
.top-bar-links { display: flex; gap: 20px; }
.top-bar-links a { color: rgba(255,255,255,0.55); transition: color 0.2s; }
.top-bar-links a:hover { color: var(--c-gold); }
.breaking-badge {
  background: var(--c-red);
  color: white;
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.1em;
  padding: 2px 7px;
  border-radius: 2px;
}

/* ── Nav ── */
.site-nav {
  position: sticky;
  top: 0;
  z-index: 200;
  background: var(--c-white);
  border-bottom: 2px solid var(--c-navy);
  box-shadow: var(--shadow-sm);
}
.nav-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 24px;
  height: var(--nav-h);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}
.nav-logo img { height: 38px; width: auto; }
.nav-categories {
  display: flex;
  list-style: none;
  gap: 2px;
  flex: 1;
  justify-content: center;
}
.nav-cat {
  font-family: var(--ff-sans);
  font-size: 13px;
  font-weight: 500;
  color: var(--c-gray-dark);
  padding: 8px 14px;
  border-radius: var(--radius-sm);
  transition: background 0.2s, color 0.2s;
  white-space: nowrap;
}
.nav-cat:hover, .nav-cat.active { background: var(--c-navy); color: var(--c-white); }
.nav-cat.active { color: var(--c-gold); }
.nav-actions { display: flex; align-items: center; gap: 12px; }
.nav-search-btn {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 8px 16px;
  border: 1px solid var(--c-border);
  border-radius: var(--radius-sm);
  font-size: 13px;
  color: var(--c-gray);
  transition: border-color 0.2s, color 0.2s;
}
.nav-search-btn:hover { border-color: var(--c-navy); color: var(--c-navy); }
.nav-subscribe {
  padding: 9px 20px;
  background: var(--c-gold);
  color: var(--c-white);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.06em;
  border-radius: var(--radius-sm);
  transition: background 0.2s;
  white-space: nowrap;
}
.nav-subscribe:hover { background: var(--c-navy); }
.nav-hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 4px;
}
.nav-hamburger span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--c-navy);
  border-radius: 2px;
}

/* ── Breaking Ticker ── */
.ticker-bar {
  background: var(--c-navy);
  color: white;
  padding: 10px 0;
  overflow: hidden;
  position: relative;
}
.ticker-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  align-items: center;
  gap: 20px;
}
.ticker-label {
  background: var(--c-red);
  color: white;
  font-size: 10.5px;
  font-weight: 700;
  letter-spacing: 0.12em;
  padding: 4px 10px;
  border-radius: 2px;
  white-space: nowrap;
  flex-shrink: 0;
}
.ticker-track {
  overflow: hidden;
  flex: 1;
}
.ticker-scroll {
  display: flex;
  gap: 60px;
  animation: ticker-anim 28s linear infinite;
  white-space: nowrap;
}
.ticker-scroll span {
  font-size: 13px;
  color: rgba(255,255,255,0.85);
}
.ticker-dot {
  color: var(--c-gold);
  margin-right: 8px;
}
@keyframes ticker-anim {
  0% { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}

/* ── Hero ── */
.hero-section {
  background: var(--c-white);
  border-bottom: 1px solid var(--c-border);
  padding: 0 0 40px;
}
.hero-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 32px 24px 0;
  display: grid;
  grid-template-columns: 1.65fr 1fr;
  gap: 32px;
  align-items: start;
}
.hero-main { position: relative; }
.hero-img-wrap {
  position: relative;
  aspect-ratio: 16/9;
  overflow: hidden;
  border-radius: var(--radius-md);
  background: var(--c-navy);
}
.hero-img-bg {
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, #1A2F4A 0%, #0F1B2D 100%);
  display: flex;
  align-items: flex-end;
  padding: 32px;
}
/* Decorative building illustration */
.hero-building {
  position: absolute;
  inset: 0;
  overflow: hidden;
}
.hero-building::before {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 60px;
  height: 200px;
  background: rgba(255,255,255,0.06);
}
.hero-building::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 42%;
  width: 90px;
  height: 280px;
  background: rgba(255,255,255,0.04);
}
.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(15,27,45,0.92) 0%, rgba(15,27,45,0.3) 50%, transparent 100%);
  border-radius: var(--radius-md);
}
.hero-content {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: 28px 28px 24px;
}
.art-cat-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 10.5px;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--c-gold);
  margin-bottom: 10px;
}
.art-cat-badge::before {
  content: '';
  display: block;
  width: 18px;
  height: 2px;
  background: var(--c-gold);
}
.hero-title {
  font-family: var(--ff-serif);
  font-size: clamp(20px, 2.4vw, 30px);
  font-weight: 700;
  color: var(--c-white);
  line-height: 1.4;
  margin-bottom: 14px;
}
.hero-meta {
  display: flex;
  align-items: center;
  gap: 16px;
  font-size: 12px;
  color: rgba(255,255,255,0.55);
}
.hero-meta-sep { color: rgba(255,255,255,0.2); }

/* Hero sidebar */
.hero-sidebar { display: flex; flex-direction: column; gap: 0; }
.sidebar-section-label {
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--c-gray-lt);
  padding-bottom: 10px;
  border-bottom: 2px solid var(--c-navy);
  margin-bottom: 0;
}
.sidebar-articles { display: flex; flex-direction: column; }
.sidebar-art {
  display: flex;
  gap: 14px;
  padding: 16px 0;
  border-bottom: 1px solid var(--c-border);
  transition: opacity 0.2s;
}
.sidebar-art:last-child { border-bottom: none; }
.sidebar-art:hover { opacity: 0.72; }
.sidebar-art-num {
  font-family: var(--ff-en);
  font-size: 26px;
  font-weight: 700;
  color: var(--c-border);
  line-height: 1;
  flex-shrink: 0;
  width: 32px;
  margin-top: 2px;
}
.sidebar-art-body {}
.sidebar-art-cat {
  font-size: 10.5px;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--c-gold);
  margin-bottom: 5px;
}
.sidebar-art-title {
  font-family: var(--ff-serif);
  font-size: 14.5px;
  font-weight: 600;
  color: var(--c-navy);
  line-height: 1.5;
  margin-bottom: 5px;
}
.sidebar-art-date { font-size: 11.5px; color: var(--c-gray-lt); }

/* ── Section Header ── */
.section-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 24px;
  padding-bottom: 12px;
  border-bottom: 2px solid var(--c-navy);
}
.section-title {
  font-family: var(--ff-serif);
  font-size: 20px;
  font-weight: 700;
  color: var(--c-navy);
  display: flex;
  align-items: center;
  gap: 10px;
}
.section-title::before {
  content: '';
  display: block;
  width: 4px;
  height: 20px;
  background: var(--c-gold);
  border-radius: 2px;
}
.section-more {
  font-size: 12.5px;
  font-weight: 600;
  color: var(--c-blue);
  letter-spacing: 0.04em;
  transition: color 0.2s;
  display: flex;
  align-items: center;
  gap: 4px;
}
.section-more:hover { color: var(--c-gold); }

/* ── News Cards ── */
.news-card {
  background: var(--c-white);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: transform 0.25s var(--ease-out), box-shadow 0.25s;
}
.news-card:hover { transform: translateY(-3px); box-shadow: var(--shadow-md); }
.card-img-wrap {
  aspect-ratio: 16/9;
  overflow: hidden;
  background: var(--c-navy);
  position: relative;
}
.card-img-inner {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
}
.card-body { padding: 18px 20px 20px; }
.card-cat {
  font-size: 10.5px;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--c-gold);
  margin-bottom: 8px;
}
.card-title {
  font-family: var(--ff-serif);
  font-size: 16px;
  font-weight: 600;
  color: var(--c-navy);
  line-height: 1.5;
  margin-bottom: 10px;
}
.card-title:hover { color: var(--c-blue); }
.card-excerpt {
  font-size: 13px;
  color: var(--c-gray);
  line-height: 1.7;
  margin-bottom: 14px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.card-meta {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 11.5px;
  color: var(--c-gray-lt);
}
.card-meta-sep { color: var(--c-border); }
.card-tag {
  display: inline-block;
  padding: 2px 8px;
  background: var(--c-bg);
  border-radius: 2px;
  font-size: 10.5px;
  color: var(--c-gray);
  font-weight: 500;
}

/* Horizontal card */
.news-card-h {
  display: flex;
  gap: 0;
  background: var(--c-white);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: transform 0.25s var(--ease-out), box-shadow 0.25s;
}
.news-card-h:hover { transform: translateY(-2px); box-shadow: var(--shadow-md); }
.card-h-img {
  width: 140px;
  flex-shrink: 0;
  background: var(--c-navy);
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
}
.card-h-body { padding: 16px 18px; flex: 1; }
.card-h-cat {
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--c-gold);
  margin-bottom: 6px;
}
.card-h-title {
  font-family: var(--ff-serif);
  font-size: 14.5px;
  font-weight: 600;
  color: var(--c-navy);
  line-height: 1.5;
  margin-bottom: 8px;
}
.card-h-meta { font-size: 11px; color: var(--c-gray-lt); }

/* ── Decorative building visuals in cards ── */
.card-visual {
  width: 100%;
  height: 100%;
  position: relative;
  overflow: hidden;
}
.cv-1 { background: linear-gradient(135deg, #1A3A5C 0%, #0D2035 100%); }
.cv-2 { background: linear-gradient(135deg, #1E2D40 0%, #131F30 100%); }
.cv-3 { background: linear-gradient(135deg, #16354D 0%, #0F1B2D 100%); }
.cv-4 { background: linear-gradient(135deg, #243B55 0%, #141E30 100%); }
.cv-5 { background: linear-gradient(135deg, #1A2744 0%, #0D1B30 100%); }
.cv-6 { background: linear-gradient(135deg, #1F3148 0%, #112030 100%); }
.card-visual svg { position: absolute; inset: 0; width: 100%; height: 100%; }
.cv-label {
  position: absolute;
  top: 10px;
  left: 12px;
  font-size: 9.5px;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--c-gold);
  background: rgba(15,27,45,0.7);
  padding: 3px 7px;
  border-radius: 2px;
}

/* ── Main Layout ── */
.main-content {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 40px 24px;
  display: grid;
  grid-template-columns: 1fr 320px;
  gap: 40px;
  align-items: start;
}

/* ── Topic Cluster Section ── */
.topic-cluster-section {
  background: var(--c-navy);
  padding: 60px 0;
  color: var(--c-white);
}
.cluster-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 24px;
}
.cluster-header {
  text-align: center;
  margin-bottom: 48px;
}
.cluster-en-label {
  font-family: var(--ff-en);
  font-size: 11px;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--c-gold);
  margin-bottom: 12px;
  display: block;
}
.cluster-title {
  font-family: var(--ff-serif);
  font-size: clamp(24px, 3vw, 36px);
  font-weight: 700;
  color: var(--c-white);
  margin-bottom: 14px;
}
.cluster-desc {
  font-size: 14.5px;
  color: rgba(255,255,255,0.55);
  max-width: 520px;
  margin: 0 auto;
  line-height: 1.8;
}
.cluster-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}
.cluster-card {
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: var(--radius-md);
  padding: 28px 24px;
  transition: background 0.25s, border-color 0.25s, transform 0.25s var(--ease-out);
}
.cluster-card:hover { background: rgba(201,164,74,0.1); border-color: rgba(201,164,74,0.3); transform: translateY(-4px); }
.cluster-icon {
  width: 44px;
  height: 44px;
  background: rgba(201,164,74,0.15);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 16px;
  font-size: 20px;
}
.cluster-card-title {
  font-family: var(--ff-serif);
  font-size: 17px;
  font-weight: 700;
  color: var(--c-white);
  margin-bottom: 8px;
}
.cluster-card-count {
  font-size: 12px;
  color: var(--c-gold);
  margin-bottom: 12px;
}
.cluster-card-desc {
  font-size: 13px;
  color: rgba(255,255,255,0.5);
  line-height: 1.7;
}
.cluster-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: 14px;
}
.cluster-tag {
  font-size: 10.5px;
  padding: 3px 9px;
  border: 1px solid rgba(255,255,255,0.12);
  color: rgba(255,255,255,0.5);
  border-radius: 20px;
  transition: all 0.2s;
}
.cluster-tag:hover { border-color: var(--c-gold); color: var(--c-gold); }

/* ── AIO Banner ── */
.aio-section {
  background: linear-gradient(135deg, var(--c-gold) 0%, #A6862E 100%);
  padding: 52px 0;
}
.aio-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 24px;
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 32px;
  align-items: center;
}
.aio-tag {
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.7);
  margin-bottom: 10px;
  display: block;
}
.aio-title {
  font-family: var(--ff-serif);
  font-size: clamp(22px, 2.5vw, 32px);
  font-weight: 700;
  color: var(--c-white);
  margin-bottom: 10px;
}
.aio-desc {
  font-size: 14.5px;
  color: rgba(255,255,255,0.75);
  max-width: 560px;
}
.aio-cta {
  display: flex;
  flex-direction: column;
  gap: 12px;
  align-items: flex-end;
  flex-shrink: 0;
}
.btn-aio-primary {
  padding: 13px 28px;
  background: var(--c-navy);
  color: var(--c-white);
  font-size: 13.5px;
  font-weight: 600;
  letter-spacing: 0.04em;
  border-radius: var(--radius-sm);
  transition: background 0.2s;
  white-space: nowrap;
}
.btn-aio-primary:hover { background: #1E3A5F; }
.btn-aio-secondary {
  font-size: 12px;
  color: rgba(255,255,255,0.7);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* ── Sidebar ── */
.sidebar {}
.sidebar-widget {
  background: var(--c-white);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  margin-bottom: 28px;
}
.widget-header {
  background: var(--c-navy);
  padding: 14px 20px;
  display: flex;
  align-items: center;
  gap: 8px;
}
.widget-title {
  font-family: var(--ff-serif);
  font-size: 14px;
  font-weight: 700;
  color: var(--c-white);
}
.widget-icon { color: var(--c-gold); font-size: 15px; }
.widget-body { padding: 20px; }

/* Trending */
.trending-item {
  display: flex;
  gap: 12px;
  padding: 12px 0;
  border-bottom: 1px solid var(--c-border);
  align-items: flex-start;
}
.trending-item:last-child { border-bottom: none; padding-bottom: 0; }
.trending-num {
  font-family: var(--ff-en);
  font-size: 22px;
  font-weight: 700;
  color: var(--c-border);
  line-height: 1;
  flex-shrink: 0;
  width: 28px;
}
.trending-num.hot { color: var(--c-gold); }
.trending-body {}
.trending-cat {
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--c-gold);
  margin-bottom: 4px;
}
.trending-title {
  font-family: var(--ff-serif);
  font-size: 13.5px;
  font-weight: 600;
  color: var(--c-navy);
  line-height: 1.5;
  transition: color 0.2s;
}
.trending-title:hover { color: var(--c-blue); }

/* Tags widget */
.tags-cloud {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.tag-item {
  padding: 5px 12px;
  border: 1px solid var(--c-border);
  border-radius: 20px;
  font-size: 12px;
  color: var(--c-gray);
  transition: all 0.2s;
}
.tag-item:hover { border-color: var(--c-gold); color: var(--c-gold); background: rgba(201,164,74,0.05); }

/* Newsletter sidebar */
.newsletter-input-wrap {
  display: flex;
  gap: 8px;
  margin-top: 12px;
}
.newsletter-input {
  flex: 1;
  padding: 10px 14px;
  border: 1px solid var(--c-border);
  border-radius: var(--radius-sm);
  font-size: 13px;
  font-family: var(--ff-sans);
  color: var(--c-gray-dark);
  outline: none;
  transition: border-color 0.2s;
}
.newsletter-input:focus { border-color: var(--c-navy); }
.newsletter-btn {
  padding: 10px 16px;
  background: var(--c-gold);
  color: white;
  font-size: 12.5px;
  font-weight: 600;
  border-radius: var(--radius-sm);
  transition: background 0.2s;
  white-space: nowrap;
}
.newsletter-btn:hover { background: var(--c-navy); }
.newsletter-note {
  font-size: 11px;
  color: var(--c-gray-lt);
  margin-top: 8px;
}

/* ── Data Dashboard section ── */
.data-section {
  background: var(--c-white);
  border-top: 1px solid var(--c-border);
  border-bottom: 1px solid var(--c-border);
  padding: 40px 0;
}
.data-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 24px;
}
.data-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 1px;
  background: var(--c-border);
  border-radius: var(--radius-md);
  overflow: hidden;
}
.data-card {
  background: var(--c-white);
  padding: 24px 20px;
  text-align: center;
}
.data-label {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--c-gray-lt);
  margin-bottom: 8px;
}
.data-value {
  font-family: var(--ff-en);
  font-size: 28px;
  font-weight: 700;
  color: var(--c-navy);
  line-height: 1;
  margin-bottom: 4px;
}
.data-change {
  font-size: 12px;
  font-weight: 600;
}
.data-change.up { color: #2D9D6E; }
.data-change.dn { color: var(--c-red); }
.data-source { font-size: 10px; color: var(--c-gray-lt); margin-top: 4px; }

/* ── Footer ── */
.site-footer {
  background: var(--c-navy);
  color: var(--c-white);
  padding: 56px 0 24px;
}
.footer-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 24px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.8fr 1fr 1fr 1fr;
  gap: 48px;
  padding-bottom: 40px;
  border-bottom: 1px solid rgba(255,255,255,0.08);
  margin-bottom: 28px;
}
.footer-brand img { height: 36px; width: auto; margin-bottom: 16px; }
.footer-brand p {
  font-size: 13px;
  color: rgba(255,255,255,0.45);
  line-height: 1.8;
  max-width: 260px;
}
.footer-col h4 {
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--c-gold);
  margin-bottom: 16px;
}
.footer-col a {
  display: block;
  font-size: 13px;
  color: rgba(255,255,255,0.5);
  margin-bottom: 10px;
  transition: color 0.2s;
}
.footer-col a:hover { color: var(--c-white); }
.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 12px;
  color: rgba(255,255,255,0.3);
  font-family: var(--ff-sans);
}
.footer-bottom-links { display: flex; gap: 20px; }
.footer-bottom-links a { color: rgba(255,255,255,0.3); transition: color 0.2s; }
.footer-bottom-links a:hover { color: rgba(255,255,255,0.7); }

/* ── Article Page ── */
.art-hero {
  background: var(--c-navy);
  padding: 60px 0 52px;
  position: relative;
  overflow: hidden;
}
.art-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at 30% 50%, rgba(201,164,74,0.08) 0%, transparent 60%);
}
.art-hero-inner {
  max-width: 820px;
  margin: 0 auto;
  padding: 0 24px;
  position: relative;
}
.art-breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 12.5px;
  color: rgba(255,255,255,0.45);
  margin-bottom: 20px;
}
.art-breadcrumb a:hover { color: var(--c-gold); }
.art-breadcrumb-sep { color: rgba(255,255,255,0.2); font-size: 10px; }
.art-hero-cat {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--c-gold);
  margin-bottom: 14px;
  display: flex;
  align-items: center;
  gap: 8px;
}
.art-hero-title {
  font-family: var(--ff-serif);
  font-size: clamp(26px, 3.5vw, 40px);
  font-weight: 700;
  color: var(--c-white);
  line-height: 1.35;
  margin-bottom: 20px;
}
.art-hero-excerpt {
  font-size: 16px;
  color: rgba(255,255,255,0.6);
  line-height: 1.8;
  margin-bottom: 24px;
  max-width: 640px;
}
.art-hero-meta {
  display: flex;
  align-items: center;
  gap: 20px;
  flex-wrap: wrap;
}
.art-author {
  display: flex;
  align-items: center;
  gap: 10px;
}
.art-author-avatar {
  width: 36px;
  height: 36px;
  background: var(--c-gold);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  font-weight: 700;
  color: white;
}
.art-author-name { font-size: 13px; color: rgba(255,255,255,0.75); font-weight: 500; }
.art-meta-item { font-size: 12.5px; color: rgba(255,255,255,0.4); }
.art-meta-sep { color: rgba(255,255,255,0.15); }
.art-share {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-left: auto;
}
.art-share-btn {
  padding: 6px 14px;
  border: 1px solid rgba(255,255,255,0.15);
  border-radius: var(--radius-sm);
  font-size: 12px;
  color: rgba(255,255,255,0.55);
  transition: all 0.2s;
}
.art-share-btn:hover { border-color: var(--c-gold); color: var(--c-gold); }

/* Article body */
.art-layout {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 40px 24px;
  display: grid;
  grid-template-columns: 1fr 300px;
  gap: 48px;
  align-items: start;
}
.art-body {
  background: var(--c-white);
  border-radius: var(--radius-md);
  padding: 40px 44px;
  box-shadow: var(--shadow-sm);
}
.art-body h2 {
  font-family: var(--ff-serif);
  font-size: 22px;
  font-weight: 700;
  color: var(--c-navy);
  margin: 36px 0 16px;
  padding-top: 32px;
  border-top: 1px solid var(--c-border);
}
.art-body h2:first-child { margin-top: 0; padding-top: 0; border-top: none; }
.art-body h3 {
  font-family: var(--ff-serif);
  font-size: 17px;
  font-weight: 700;
  color: var(--c-navy-mid);
  margin: 24px 0 12px;
}
.art-body p {
  font-size: 15.5px;
  line-height: 1.9;
  color: var(--c-gray-dark);
  margin-bottom: 20px;
}
.art-body .highlight-box {
  background: rgba(201,164,74,0.07);
  border-left: 3px solid var(--c-gold);
  padding: 16px 20px;
  margin: 24px 0;
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  font-size: 14.5px;
  color: var(--c-gray-dark);
  line-height: 1.8;
}
.art-body .data-callout {
  background: var(--c-navy);
  color: white;
  padding: 24px 28px;
  border-radius: var(--radius-md);
  margin: 28px 0;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  text-align: center;
}
.data-callout-num {
  font-family: var(--ff-en);
  font-size: 36px;
  font-weight: 700;
  color: var(--c-gold);
  line-height: 1;
  margin-bottom: 6px;
}
.data-callout-label { font-size: 12px; color: rgba(255,255,255,0.55); }
.art-tags { display: flex; flex-wrap: wrap; gap: 8px; margin: 32px 0 0; }
.art-tag {
  padding: 5px 14px;
  background: var(--c-bg);
  border-radius: 20px;
  font-size: 12px;
  color: var(--c-gray);
  border: 1px solid var(--c-border);
  transition: all 0.2s;
}
.art-tag:hover { border-color: var(--c-gold); color: var(--c-gold); }

/* ToC */
.toc-widget {
  background: var(--c-white);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  margin-bottom: 24px;
  position: sticky;
  top: calc(var(--nav-h) + 24px);
}
.toc-header {
  background: var(--c-navy);
  padding: 14px 20px;
}
.toc-title {
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--c-gold);
}
.toc-list {
  list-style: none;
  padding: 16px 20px;
}
.toc-item {
  padding: 7px 0;
  border-bottom: 1px solid var(--c-border);
  font-size: 13px;
  color: var(--c-gray);
  display: flex;
  align-items: flex-start;
  gap: 8px;
  transition: color 0.2s;
}
.toc-item:last-child { border-bottom: none; }
.toc-item:hover { color: var(--c-navy); }
.toc-item::before { content: '§'; color: var(--c-gold); flex-shrink: 0; }

/* ── Topics Page ── */
.topics-hero {
  background: var(--c-navy);
  padding: 48px 0;
}
.topics-hero-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 24px;
}
.topics-hero-label {
  font-family: var(--ff-en);
  font-size: 11px;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--c-gold);
  margin-bottom: 12px;
}
.topics-hero-title {
  font-family: var(--ff-serif);
  font-size: clamp(28px, 4vw, 48px);
  font-weight: 700;
  color: var(--c-white);
  margin-bottom: 14px;
}
.topics-hero-desc {
  font-size: 15px;
  color: rgba(255,255,255,0.55);
  max-width: 560px;
  line-height: 1.8;
}
.topics-content {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 48px 24px;
}
.topic-pillar-card {
  border-bottom: 1px solid var(--c-border);
}
.pillar-header {
  padding: 22px 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  cursor: pointer;
}
.pillar-left {
  display: flex;
  align-items: center;
  gap: 16px;
}
.pillar-icon { display: none; }
.pillar-info {}
.pillar-title {
  font-family: var(--ff-serif);
  font-size: 20px;
  font-weight: 700;
  color: var(--c-navy);
  margin-bottom: 4px;
}
.pillar-meta { font-size: 12.5px; color: var(--c-gray-lt); }
.pillar-expand {
  color: var(--c-gray);
  font-size: 22px;
  line-height: 1;
  flex-shrink: 0;
  transition: transform 0.25s, color 0.25s;
}
.pillar-expand.open { color: var(--c-navy); transform: rotate(45deg); }
.pillar-articles {
  padding: 2px 0 22px;
  display: flex;
  flex-direction: column;
}
.pillar-art-item {
  padding: 11px 2px;
  font-size: 14.5px;
  font-family: var(--ff-serif);
  color: var(--c-navy);
  line-height: 1.6;
  border-top: 1px solid var(--c-border);
  transition: color 0.2s;
}
.pillar-art-item:hover { color: var(--c-gold); }

/* ── About Page ── */
.about-hero {
  background: var(--c-navy);
  padding: 72px 0 56px;
}
.about-content {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 60px 24px;
  display: grid;
  grid-template-columns: 1fr 360px;
  gap: 64px;
  align-items: start;
}
.about-main {}
.about-section-title {
  font-family: var(--ff-serif);
  font-size: 30px;
  font-weight: 700;
  color: var(--c-navy);
  margin-bottom: 8px;
}
.gold-underline {
  width: 48px;
  height: 3px;
  background: var(--c-gold);
  margin-bottom: 24px;
}
.about-main p {
  font-size: 15.5px;
  line-height: 1.9;
  color: var(--c-gray-dark);
  margin-bottom: 20px;
}
.values-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin: 32px 0;
}
.value-card {
  background: var(--c-white);
  border-radius: var(--radius-md);
  padding: 22px 22px;
  box-shadow: var(--shadow-sm);
  border-top: 3px solid var(--c-gold);
}
.value-icon { font-size: 24px; margin-bottom: 10px; }
.value-title { font-family: var(--ff-serif); font-size: 16px; font-weight: 700; color: var(--c-navy); margin-bottom: 8px; }
.value-desc { font-size: 13px; color: var(--c-gray); line-height: 1.7; }

.about-sidebar {}
.stat-card {
  background: var(--c-white);
  border-radius: var(--radius-md);
  padding: 28px;
  box-shadow: var(--shadow-sm);
  margin-bottom: 20px;
}
.stat-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 0;
  border-bottom: 1px solid var(--c-border);
}
.stat-item:last-child { border-bottom: none; }
.stat-label { font-size: 13px; color: var(--c-gray); }
.stat-value { font-family: var(--ff-en); font-size: 22px; font-weight: 700; color: var(--c-navy); }
.media-kit-card {
  background: var(--c-navy);
  border-radius: var(--radius-md);
  padding: 28px;
  color: white;
}
.media-kit-title { font-family: var(--ff-serif); font-size: 18px; font-weight: 700; margin-bottom: 10px; }
.media-kit-desc { font-size: 13px; color: rgba(255,255,255,0.55); line-height: 1.8; margin-bottom: 20px; }
.btn-media-kit {
  display: inline-block;
  padding: 11px 24px;
  background: var(--c-gold);
  color: white;
  font-size: 13px;
  font-weight: 600;
  border-radius: var(--radius-sm);
  transition: background 0.2s;
}
.btn-media-kit:hover { background: #A6862E; }

/* ── Reveal ── */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s var(--ease-out), transform 0.6s var(--ease-out);
}
.reveal.visible { opacity: 1; transform: none; }
.rd1 { transition-delay: 0.08s; }
.rd2 { transition-delay: 0.16s; }
.rd3 { transition-delay: 0.24s; }
.rd4 { transition-delay: 0.32s; }

/* ── Responsive ── */
@media (max-width: 1024px) {
  .cluster-grid { grid-template-columns: repeat(2, 1fr); }
  .data-grid { grid-template-columns: repeat(3, 1fr); }
  .art-layout { grid-template-columns: 1fr; }
  .toc-widget { position: static; }
  .topics-content { padding-top: 32px; }
  .pillar-articles { grid-template-columns: repeat(2, 1fr); }
  .about-content { grid-template-columns: 1fr; }
}
@media (max-width: 900px) {
  .hero-inner { grid-template-columns: 1fr; }
  .main-content { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .footer-brand { grid-column: 1/-1; }
  .aio-inner { grid-template-columns: 1fr; }
  .aio-cta { align-items: flex-start; }
}
@media (max-width: 768px) {
  .nav-categories { display: none; }
  .nav-hamburger { display: flex; }
  .top-bar-links { display: none; }
  .cluster-grid { grid-template-columns: 1fr; }
  .data-grid { grid-template-columns: repeat(2, 1fr); }
  .art-body { padding: 24px 20px; }
  .art-body .data-callout { grid-template-columns: 1fr; }
  .pillar-articles { grid-template-columns: 1fr; }
  .values-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .footer-bottom { flex-direction: column; gap: 10px; text-align: center; }
}