/* ===== 行业观察页专属样式 ===== */
.page-news {
  --page-max-width: 1280px;
  --page-padding: clamp(1rem, 4vw, 2.5rem);
  --timeline-color: var(--clr-primary-dark-gold, #C9A959);
  --node-color: var(--clr-accent-neon-orange, #FF6B35);
  --card-bg: rgba(45, 74, 62, 0.55);
  --card-border: var(--clr-border-olive, #5C6B4A);
  --text-muted: var(--clr-text-muted-gold, #B89B5B);
  display: block;
  width: 100%;
  max-width: var(--page-max-width);
  margin: 0 auto;
  padding: 0 var(--page-padding) var(--space-2xl, 64px);
  color: var(--clr-text-off-white, #E8E6E1);
}

/* ---- 页面标题区 ---- */
.page-news .page-header-section {
  padding: var(--space-xl, 40px) 0 var(--space-lg, 24px);
  border-bottom: 2px solid var(--timeline-color);
  margin-bottom: var(--space-2xl, 64px);
  position: relative;
}
.page-news .page-header-section::after {
  content: "◆";
  position: absolute;
  right: 0;
  bottom: -9px;
  font-size: 14px;
  color: var(--timeline-color);
  background: var(--clr-bg-dark-rock, #2C2A26);
  padding: 0 6px;
}
.page-news .breadcrumb {
  display: flex;
  align-items: center;
  gap: var(--space-sm, 8px);
  font-size: 0.8125rem;
  letter-spacing: 0.04em;
  color: var(--text-muted);
  margin-bottom: var(--space-md, 16px);
  text-transform: uppercase;
}
.page-news .breadcrumb a {
  color: var(--text-muted);
  text-decoration: none;
  transition: color var(--transition-fast, 0.2s ease);
}
.page-news .breadcrumb a:hover,
.page-news .breadcrumb a:focus-visible {
  color: var(--clr-accent-neon-orange, #FF6B35);
}
.page-news .breadcrumb-sep {
  color: var(--timeline-color);
  font-size: 0.75rem;
}
.page-news .breadcrumb [aria-current="page"] {
  color: var(--clr-text-off-white, #E8E6E1);
  font-weight: 500;
}
.page-news .page-heading {
  font-family: var(--font-heading, 'Inter', sans-serif);
  font-weight: 800;
  font-size: clamp(2.2rem, 6vw, 4rem);
  letter-spacing: -0.02em;
  line-height: 1.05;
  margin: 0 0 var(--space-xs, 4px);
  color: var(--clr-primary-dark-gold, #C9A959);
  text-transform: uppercase;
}
.page-news .page-subheading {
  font-size: clamp(0.95rem, 2vw, 1.25rem);
  font-weight: 400;
  color: var(--text-muted);
  margin: 0;
  letter-spacing: 0.01em;
}

/* ---- 通用区块标签 ---- */
.page-news .section-label {
  display: flex;
  align-items: baseline;
  gap: var(--space-md, 16px);
  margin-bottom: var(--space-lg, 24px);
  border-left: 4px solid var(--clr-accent-neon-orange, #FF6B35);
  padding-left: var(--space-md, 16px);
}
.page-news .label-index {
  font-family: var(--font-data, 'JetBrains Mono', monospace);
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--clr-accent-neon-orange, #FF6B35);
  opacity: 0.7;
}
.page-news .section-heading {
  font-family: var(--font-heading, 'Inter', sans-serif);
  font-weight: 700;
  font-size: clamp(1.4rem, 3.5vw, 2rem);
  letter-spacing: -0.01em;
  color: var(--clr-text-off-white, #E8E6E1);
  margin: 0;
}
.page-news .content-section {
  margin-bottom: var(--space-2xl, 64px);
}

/* ---- 最新观察：时间轴＋卡片 ---- */
.page-news .insights-layout {
  display: flex;
  gap: var(--space-xl, 40px);
  align-items: flex-start;
}
.page-news .timeline-column {
  flex: 0 0 48px;
  display: flex;
  flex-direction: column;
  align-items: center;
  padding-top: 12px;
  position: relative;
  min-height: 480px;
}
.page-news .timeline-line {
  position: absolute;
  top: 12px;
  bottom: 12px;
  left: 50%;
  width: 2px;
  background: var(--timeline-color);
  transform: translateX(-50%);
  opacity: 0.5;
}
.page-news .timeline-node {
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: var(--node-color);
  border: 3px solid var(--clr-bg-dark-rock, #2C2A26);
  box-shadow: 0 0 0 2px var(--node-color);
  margin: 24px 0;
  position: relative;
  z-index: 2;
  transition: transform var(--transition-fast, 0.2s ease), box-shadow var(--transition-fast, 0.2s ease);
  cursor: default;
}
.page-news .timeline-node:hover,
.page-news .timeline-node:focus-visible {
  transform: scale(1.35);
  box-shadow: 0 0 0 4px var(--node-color), 0 0 20px rgba(255,107,53,0.4);
}
.page-news .timeline-node:first-of-type {
  margin-top: 6px;
}
.page-news .timeline-node[data-timeline="1"] { margin-top: 6px; }
.page-news .timeline-node[data-timeline="2"] { margin-top: 42px; }
.page-news .timeline-node[data-timeline="3"] { margin-top: 42px; }
.page-news .timeline-node[data-timeline="4"] { margin-top: 42px; }
.page-news .cards-column {
  flex: 1;
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: var(--space-md, 16px);
}
.page-news .insight-card-trend {
  margin-bottom: var(--space-sm, 8px);
  border: 3px solid var(--card-border);
  box-shadow: var(--shadow-heavy, 0 8px 32px rgba(0,0,0,0.5));
  background: var(--card-bg);
  overflow: hidden;
}
.page-news .trend-chart {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
}
.page-news .insight-card {
  border: 2px solid var(--card-border);
  background: var(--card-bg);
  box-shadow: var(--shadow-medium, 0 4px 16px rgba(0,0,0,0.35));
  transition: border-color var(--transition-med, 0.35s ease), box-shadow var(--transition-med, 0.35s ease);
  overflow: hidden;
}
.page-news .insight-card[open] {
  border-color: var(--timeline-color);
  box-shadow: var(--shadow-heavy, 0 8px 32px rgba(0,0,0,0.5));
}
.page-news .insight-card__header {
  display: flex;
  align-items: center;
  gap: var(--space-md, 16px);
  padding: var(--space-md, 16px) var(--space-lg, 24px);
  cursor: pointer;
  list-style: none;
  user-select: none;
  transition: background var(--transition-fast, 0.2s ease);
}
.page-news .insight-card__header::-webkit-details-marker {
  display: none;
}
.page-news .insight-card__header:hover {
  background: rgba(255,107,53,0.06);
}
.page-news .card-icon {
  flex: 0 0 40px;
  width: 40px;
  height: 40px;
  border-radius: 4px;
  object-fit: cover;
  border: 1px solid var(--card-border);
}
.page-news .insight-card__title {
  flex: 1;
  font-family: var(--font-heading, 'Inter', sans-serif);
  font-weight: 600;
  font-size: clamp(0.95rem, 1.8vw, 1.15rem);
  letter-spacing: -0.01em;
  color: var(--clr-text-off-white, #E8E6E1);
}
.page-news .insight-card__tag {
  font-size: 0.7rem;
  font-weight: 500;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--clr-accent-neon-orange, #FF6B35);
  border: 1px solid currentColor;
  padding: 2px 10px;
  border-radius: 2px;
  white-space: nowrap;
  opacity: 0.8;
}
.page-news .expand-indicator {
  font-size: 1.1rem;
  color: var(--timeline-color);
  font-weight: 300;
  transition: transform var(--transition-fast, 0.2s ease);
  line-height: 1;
}
.page-news .insight-card[open] .expand-indicator {
  transform: rotate(45deg);
  color: var(--node-color);
}
.page-news .insight-card__body {
  padding: 0 var(--space-lg, 24px) var(--space-lg, 24px);
  border-top: 1px solid rgba(92,107,74,0.25);
  margin-top: 0;
  animation: fadeSlideIn 0.3s ease-out;
}
.page-news .insight-card__body p {
  margin: var(--space-md, 16px) 0 0;
  font-size: 0.9375rem;
  line-height: 1.7;
  color: rgba(232,230,225,0.82);
  max-width: 640px;
}
@keyframes fadeSlideIn {
  from { opacity: 0; transform: translateY(-8px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* ---- 热门话题 ---- */
.page-news .topics-cloud-wrapper {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-xl, 40px);
  align-items: flex-start;
  background: rgba(44,42,38,0.5);
  border: 2px solid var(--card-border);
  padding: var(--space-lg, 24px);
}
.page-news .topics-cloud {
  flex: 0 0 280px;
  width: 280px;
  height: auto;
  max-width: 100%;
  object-fit: contain;
  border: 1px solid rgba(201,169,89,0.2);
}
.page-news .topic-tags {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm, 8px) var(--space-md, 16px);
  flex: 1;
  min-width: 200px;
}
.page-news .topic-tag {
  display: inline-block;
  font-family: var(--font-body, 'Inter', sans-serif);
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--clr-text-off-white, #E8E6E1);
  background: rgba(45,74,62,0.45);
  border: 1px solid var(--card-border);
  padding: 6px 18px;
  text-decoration: none;
  transition: all var(--transition-fast, 0.2s ease);
  letter-spacing: 0.03em;
}
.page-news .topic-tag:hover,
.page-news .topic-tag:focus-visible {
  color: var(--clr-accent-neon-orange, #FF6B35);
  border-color: var(--clr-accent-neon-orange, #FF6B35);
  background: rgba(255,107,53,0.08);
  transform: translateY(-2px);
}

/* ---- 订阅提醒 ---- */
.page-news .subscribe-card {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-xl, 40px);
  align-items: center;
  background: var(--card-bg);
  border: 2px solid var(--timeline-color);
  padding: var(--space-lg, 24px) var(--space-xl, 40px);
  box-shadow: var(--shadow-heavy, 0 8px 32px rgba(0,0,0,0.5));
  position: relative;
}
.page-news .subscribe-card::before {
  content: "✉";
  position: absolute;
  top: -12px;
  right: 24px;
  font-size: 1.5rem;
  color: var(--timeline-color);
  background: var(--clr-bg-dark-rock, #2C2A26);
  padding: 0 8px;
  line-height: 1;
}
.page-news .subscribe-text {
  flex: 1;
  min-width: 240px;
}
.page-news .subscribe-desc {
  font-size: 0.9375rem;
  line-height: 1.7;
  margin: 0 0 var(--space-md, 16px);
  color: rgba(232,230,225,0.85);
}
.page-news .subscribe-action {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-md, 16px);
}
.page-news .btn-accent {
  display: inline-block;
  font-family: var(--font-body, 'Inter', sans-serif);
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--clr-bg-dark-rock, #2C2A26);
  background: var(--clr-accent-neon-orange, #FF6B35);
  border: 2px solid var(--clr-accent-neon-orange, #FF6B35);
  padding: 10px 28px;
  text-decoration: none;
  letter-spacing: 0.03em;
  transition: all var(--transition-fast, 0.2s ease);
  cursor: pointer;
}
.page-news .btn-accent:hover,
.page-news .btn-accent:focus-visible {
  background: transparent;
  color: var(--clr-accent-neon-orange, #FF6B35);
}
.page-news .subscribe-note {
  font-size: 0.8125rem;
  color: var(--text-muted);
  font-family: var(--font-data, 'JetBrains Mono', monospace);
}
.page-news .subscribe-illustration {
  flex: 0 0 180px;
  width: 180px;
  height: auto;
  max-width: 100%;
  object-fit: contain;
  opacity: 0.7;
}

/* ===== 响应式 ===== */
@media (max-width: 768px) {
  .page-news {
    padding: 0 var(--space-md, 16px) var(--space-xl, 40px);
  }
  .page-news .page-header-section {
    padding: var(--space-lg, 24px) 0 var(--space-md, 16px);
    margin-bottom: var(--space-xl, 40px);
  }
  .page-news .insights-layout {
    flex-direction: column;
    gap: var(--space-md, 16px);
  }
  .page-news .timeline-column {
    flex: 0 0 auto;
    flex-direction: row;
    min-height: auto;
    padding: 0;
    width: 100%;
    height: 32px;
    justify-content: space-around;
    align-items: center;
    position: relative;
  }
  .page-news .timeline-line {
    top: 50%;
    bottom: auto;
    left: 5%;
    width: 90%;
    height: 2px;
    transform: translateY(-50%);
  }
  .page-news .timeline-node {
    margin: 0;
    width: 12px;
    height: 12px;
  }
  .page-news .timeline-node[data-timeline] {
    margin: 0;
  }
  .page-news .insight-card__header {
    padding: var(--space-sm, 8px) var(--space-md, 16px);
    flex-wrap: wrap;
    gap: var(--space-sm, 8px);
  }
  .page-news .card-icon {
    flex: 0 0 32px;
    width: 32px;
    height: 32px;
  }
  .page-news .insight-card__title {
    font-size: 0.95rem;
  }
  .page-news .insight-card__tag {
    font-size: 0.6rem;
    padding: 1px 8px;
  }
  .page-news .insight-card__body {
    padding: 0 var(--space-md, 16px) var(--space-md, 16px);
  }
  .page-news .topics-cloud-wrapper {
    flex-direction: column;
    padding: var(--space-md, 16px);
  }
  .page-news .topics-cloud {
    flex: 0 0 auto;
    width: 100%;
    max-height: 200px;
    object-fit: cover;
  }
  .page-news .subscribe-card {
    flex-direction: column;
    padding: var(--space-md, 16px);
    gap: var(--space-lg, 24px);
  }
  .page-news .subscribe-illustration {
    flex: 0 0 auto;
    width: 100%;
    max-width: 240px;
  }
  .page-news .subscribe-action {
    flex-direction: column;
    align-items: flex-start;
  }
}
@media (min-width: 769px) and (max-width: 1024px) {
  .page-news .topics-cloud {
    flex: 0 0 200px;
    width: 200px;
  }
  .page-news .subscribe-illustration {
    flex: 0 0 140px;
    width: 140px;
  }
}
</<PAGE_CSS>