.page-news {
  --news-hero-bg: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
  --news-card-shadow: var(--shadow-md);
  --news-radius-lg: var(--radius-lg);
  --news-radius-md: var(--radius-md);
  --news-transition: var(--transition);
  --news-gold-line: var(--color-gold);
  --news-timeline-dot-size: 14px;
  --news-timeline-line-width: 2px;
  --news-divider-height: 6px;

  display: flex;
  flex-direction: column;
  gap: 0;
  max-width: 100%;
  margin: 0 auto;
  padding: 0;
  background-color: var(--color-secondary);
  color: var(--color-text);
  font-family: var(--font-body);
  font-size: var(--font-size-base);
  line-height: 1.6;
}

/* ===== 面包屑 ===== */
.page-news .breadcrumb {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-md) var(--space-lg);
  max-width: var(--max-width);
  margin: 0 auto;
  width: 100%;
  box-sizing: border-box;
  font-size: 0.875rem;
  color: var(--color-text-light);
}
.page-news .breadcrumb a {
  color: var(--color-link);
  text-decoration: none;
  transition: color var(--news-transition);
}
.page-news .breadcrumb a:hover {
  color: var(--color-accent);
}
.page-news .breadcrumb-sep {
  color: var(--color-gold);
  font-weight: 700;
}
.page-news .breadcrumb-current {
  color: var(--color-text);
  font-weight: 500;
}

/* ===== 首屏 ===== */
.page-news .page-news-hero {
  background: var(--news-hero-bg);
  border-radius: 0 0 var(--news-radius-lg) var(--news-radius-lg);
  padding: var(--space-2xl) var(--space-lg);
  margin: 0 var(--space-sm) var(--space-xl) var(--space-sm);
  position: relative;
  overflow: hidden;
}
.page-news .hero-content {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-xl);
  max-width: var(--max-width);
  margin: 0 auto;
}
.page-news .hero-text {
  display: flex;
  align-items: flex-start;
  gap: var(--space-md);
  color: var(--color-text-white);
}
.page-news .vertical-note {
  writing-mode: vertical-rl;
  font-family: var(--font-heading);
  font-size: 0.75rem;
  letter-spacing: 0.2em;
  color: var(--color-gold);
  text-transform: uppercase;
  padding: var(--space-xs) 0;
  border-left: 2px solid var(--color-gold);
  padding-left: var(--space-xs);
  line-height: 1.4;
  flex-shrink: 0;
}
.page-news .hero-text h1 {
  font-family: var(--font-heading);
  font-size: 2.5rem;
  font-weight: 800;
  margin: 0;
  line-height: 1.15;
  letter-spacing: 0.02em;
}
.page-news .hero-sub {
  font-family: var(--font-body);
  font-size: 1rem;
  color: var(--color-gold-light);
  margin: var(--space-sm) 0 0 0;
  letter-spacing: 0.15em;
  font-weight: 300;
}
.page-news .hero-visual {
  flex-shrink: 0;
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  border: 2px solid var(--color-gold);
  width: 150px;
  height: 150px;
}
.page-news .hero-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

/* ===== 章节标题 ===== */
.page-news .section-title {
  font-family: var(--font-heading);
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--color-primary);
  margin: 0 0 var(--space-lg) 0;
  position: relative;
  display: inline-block;
  padding-bottom: var(--space-sm);
}
.page-news .section-title--gold::after {
  content: '';
  display: block;
  width: 60%;
  height: 3px;
  background: var(--color-gold);
  border-radius: 2px;
  margin-top: var(--space-xs);
}

/* ===== 最新动态 ===== */
.page-news .page-news-timeline {
  padding: var(--space-xl) var(--space-lg);
  max-width: var(--max-width);
  margin: 0 auto;
  width: 100%;
  box-sizing: border-box;
}
.page-news .timeline-container {
  position: relative;
  padding-left: calc(var(--news-timeline-dot-size) + var(--space-lg));
}
.page-news .timeline-container::before {
  content: '';
  position: absolute;
  left: calc(var(--news-timeline-dot-size) / 2 + var(--space-sm));
  top: 0;
  bottom: 0;
  width: var(--news-timeline-line-width);
  background: var(--color-gold);
  opacity: 0.3;
  border-radius: 1px;
}
.page-news .timeline-item {
  position: relative;
  margin-bottom: var(--space-xl);
  background: var(--color-text-white);
  border-radius: var(--news-radius-md);
  box-shadow: var(--shadow-sm);
  padding: var(--space-md) var(--space-lg);
  transition: box-shadow var(--news-transition);
}
.page-news .timeline-item:hover {
  box-shadow: var(--shadow-md);
}
.page-news .timeline-dot {
  position: absolute;
  left: calc(-1 * (var(--news-timeline-dot-size) / 2 + var(--space-lg) - var(--space-sm)));
  top: var(--space-lg);
  width: var(--news-timeline-dot-size);
  height: var(--news-timeline-dot-size);
  border-radius: 50%;
  background: var(--color-gold);
  border: 3px solid var(--color-secondary);
  box-shadow: 0 0 0 2px var(--color-gold);
  z-index: 1;
}
.page-news .timeline-header {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--space-sm);
  cursor: pointer;
  user-select: none;
}
.page-news .timeline-title {
  font-family: var(--font-heading);
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--color-primary);
  margin: 0;
  flex: 1 1 auto;
}
.page-news .timeline-meta {
  font-family: var(--font-numeric);
  font-size: 0.75rem;
  color: var(--color-text-light);
  background: var(--color-secondary);
  padding: 2px var(--space-sm);
  border-radius: var(--radius-sm);
  white-space: nowrap;
}
.page-news .accordion-icon {
  font-family: var(--font-numeric);
  font-size: 1.25rem;
  color: var(--color-gold);
  transition: transform var(--news-transition);
  flex-shrink: 0;
  line-height: 1;
}
.page-news .timeline-header[aria-expanded="true"] .accordion-icon {
  transform: rotate(45deg);
}
.page-news .timeline-desc {
  font-size: 0.9375rem;
  color: var(--color-text);
  margin-top: var(--space-sm);
  padding-right: var(--space-xl);
}
.page-news .timeline-detail {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease, padding 0.3s ease;
  padding: 0;
  color: var(--color-text-light);
  font-size: 0.875rem;
  line-height: 1.7;
}
.page-news .timeline-item[data-expanded] .timeline-detail {
  max-height: 300px;
  padding-top: var(--space-md);
}
.page-news .timeline-detail p {
  margin: 0;
}
.page-news .timeline-feature {
  margin-top: var(--space-xl);
  border-radius: var(--news-radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}
.page-news .timeline-feature-img {
  width: 100%;
  height: auto;
  display: block;
  object-fit: cover;
}

/* ===== 经幡分隔线 ===== */
.page-news .section-divider {
  display: flex;
  height: var(--news-divider-height);
  max-width: var(--max-width);
  margin: var(--space-xl) auto;
  width: calc(100% - 2 * var(--space-lg));
  border-radius: 3px;
  overflow: hidden;
}
.page-news .divider-stripe {
  flex: 1;
  height: 100%;
}
.page-news .divider-stripe--blue { background: var(--color-stripe-blue); }
.page-news .divider-stripe--white { background: var(--color-stripe-white); }
.page-news .divider-stripe--red { background: var(--color-stripe-red); }
.page-news .divider-stripe--gold { background: var(--color-stripe-gold); }
.page-news .divider-stripe--dark { background: var(--color-stripe-dark); }

/* ===== 行业观察 ===== */
.page-news .page-news-insights {
  padding: var(--space-xl) var(--space-lg);
  max-width: var(--max-width);
  margin: 0 auto;
  width: 100%;
  box-sizing: border-box;
}
.page-news .insights-layout {
  display: flex;
  flex-direction: column;
  gap: var(--space-xl);
}
.page-news .insights-main {
  flex: 1 1 auto;
  background: var(--color-text-white);
  border-radius: var(--news-radius-md);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
}
.page-news .insights-main-img {
  width: 100%;
  height: auto;
  display: block;
  object-fit: cover;
  max-height: 320px;
}
.page-news .insights-article {
  padding: var(--space-lg);
}
.page-news .insights-article-title {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color-primary);
  margin: 0 0 var(--space-sm) 0;
  line-height: 1.3;
}
.page-news .insights-article-meta {
  font-size: 0.8125rem;
  color: var(--color-text-light);
  margin: 0 0 var(--space-md) 0;
  letter-spacing: 0.05em;
}
.page-news .insights-article p {
  font-size: 0.9375rem;
  line-height: 1.8;
  color: var(--color-text);
  margin: 0 0 var(--space-md) 0;
}
.page-news .btn-bookmark {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-sm) var(--space-lg);
  border: 1px solid var(--color-gold);
  border-radius: var(--radius-xl);
  background: transparent;
  color: var(--color-gold);
  font-family: var(--font-body);
  font-size: 0.875rem;
  font-weight: 500;
  cursor: pointer;
  transition: all var(--news-transition);
  margin-top: var(--space-sm);
}
.page-news .btn-bookmark:hover {
  background: var(--color-gold);
  color: var(--color-text-white);
}
.page-news .btn-bookmark[data-bookmark="saved"] {
  background: var(--color-gold);
  color: var(--color-text-white);
  border-color: var(--color-gold);
}
.page-news .insights-sidebar {
  flex: 0 0 auto;
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
  background: var(--color-text-white);
  border-radius: var(--news-radius-md);
  padding: var(--space-lg);
  box-shadow: var(--shadow-sm);
}
.page-news .sidebar-title {
  font-family: var(--font-heading);
  font-size: 1rem;
  font-weight: 600;
  color: var(--color-primary);
  margin: 0 0 var(--space-sm) 0;
  padding-bottom: var(--space-sm);
  border-bottom: 2px solid var(--color-gold);
}
.page-news .sidebar-card {
  display: flex;
  align-items: flex-start;
  gap: var(--space-md);
  padding: var(--space-sm) 0;
  border-bottom: 1px solid var(--color-border);
  transition: background var(--news-transition);
  border-radius: var(--radius-sm);
  padding-left: var(--space-sm);
  padding-right: var(--space-sm);
}
.page-news .sidebar-card:hover {
  background: var(--color-secondary);
}
.page-news .sidebar-card-num {
  font-family: var(--font-numeric);
  font-size: 0.8125rem;
  color: var(--color-gold);
  font-weight: 700;
  flex-shrink: 0;
  width: 24px;
  text-align: right;
}
.page-news .sidebar-card-text {
  font-size: 0.875rem;
  color: var(--color-text);
  margin: 0;
  line-height: 1.5;
}
.page-news .sidebar-cta {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
  margin-top: var(--space-sm);
}
.page-news .sidebar-link {
  font-size: 0.8125rem;
  padding: var(--space-xs) var(--space-md);
  text-decoration: none;
  text-align: center;
}

/* ===== 内容索引 ===== */
.page-news .page-news-index {
  padding: var(--space-xl) var(--space-lg) var(--space-2xl);
  max-width: var(--max-width);
  margin: 0 auto;
  width: 100%;
  box-sizing: border-box;
}
.page-news .index-intro {
  font-size: 0.9375rem;
  color: var(--color-text-light);
  margin: 0 0 var(--space-lg) 0;
  max-width: 640px;
}
.page-news .index-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-lg);
}
.page-news .index-card {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
  background: var(--color-text-white);
  border-radius: var(--news-radius-md);
  padding: var(--space-lg);
  box-shadow: var(--shadow-sm);
  text-decoration: none;
  color: inherit;
  transition: transform var(--news-transition), box-shadow var(--news-transition);
  border: 1px solid transparent;
}
.page-news .index-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
  border-color: var(--color-gold);
}
.page-news .index-icon-wrap {
  width: 60px;
  height: 60px;
  border-radius: var(--radius-md);
  overflow: hidden;
  flex-shrink: 0;
  border: 1px solid var(--color-border);
}
.page-news .index-icon {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}
.page-news .index-icon-wrap--solid {
  background: var(--color-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  border: none;
}
.page-news .index-icon-symbol {
  font-size: 1.75rem;
  color: var(--color-gold);
  line-height: 1;
}
.page-news .index-card-title {
  font-family: var(--font-heading);
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--color-primary);
  margin: 0;
}
.page-news .index-card-desc {
  font-size: 0.875rem;
  color: var(--color-text);
  margin: 0;
  line-height: 1.6;
  flex: 1;
}
.page-news .index-card-tag {
  align-self: flex-start;
  font-size: 0.75rem;
}

/* ===== 页脚注释区 ===== */
.page-news .page-news-footer-note {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-md);
  padding: var(--space-xl) var(--space-lg);
  text-align: center;
  border-top: 1px solid var(--color-border);
  max-width: var(--max-width);
  margin: 0 auto;
  width: calc(100% - 2 * var(--space-lg));
}
.page-news .page-news-footer-note .text-note {
  font-size: 0.8125rem;
  max-width: 480px;
  margin: 0;
}
.page-news .page-news-footer-note .btn {
  font-size: 0.875rem;
  padding: var(--space-sm) var(--space-xl);
  text-decoration: none;
}

/* ===== 工具类 ===== */
.page-news .tag {
  display: inline-block;
  padding: 2px var(--space-sm);
  border-radius: var(--radius-xl);
  border: 1px solid var(--color-gold);
  color: var(--color-gold);
  font-family: var(--font-numeric);
  font-size: 0.6875rem;
  font-weight: 500;
  background: transparent;
  letter-spacing: 0.03em;
}
.page-news .btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-xl);
  font-family: var(--font-body);
  font-weight: 500;
  transition: all var(--news-transition);
  cursor: pointer;
  border: none;
}
.page-news .btn-outline {
  background: transparent;
  border: 1px solid var(--color-accent);
  color: var(--color-accent);
}
.page-news .btn-outline:hover {
  background: var(--color-accent);
  color: var(--color-text-white);
}
.page-news .card-hover {
  transition: transform var(--news-transition), box-shadow var(--news-transition);
}
.page-news .card-hover:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}
.page-news .text-note {
  color: var(--color-text-light);
  font-size: 0.8125rem;
}

/* ===== 桌面端 ===== */
@media (min-width: 768px) {
  .page-news .hero-content {
    flex-direction: row;
    justify-content: space-between;
    align-items: center;
  }
  .page-news .hero-text h1 {
    font-size: 3.5rem;
  }
  .page-news .hero-sub {
    font-size: 1.125rem;
  }
  .page-news .hero-visual {
    width: 240px;
    height: 240px;
  }
  .page-news .vertical-note {
    font-size: 0.875rem;
  }
  .page-news .insights-layout {
    flex-direction: row;
    align-items: flex-start;
  }
  .page-news .insights-main {
    flex: 0 0 65%;
    max-width: 65%;
  }
  .page-news .insights-sidebar {
    flex: 1 1 auto;
    max-width: 32%;
    position: sticky;
    top: var(--space-xl);
  }
  .page-news .index-grid {
    grid-template-columns: repeat(3, 1fr);
  }
  .page-news .page-news-timeline {
    padding: var(--space-2xl) var(--space-lg);
  }
  .page-news .page-news-insights {
    padding: var(--space-2xl) var(--space-lg);
  }
  .page-news .page-news-index {
    padding: var(--space-2xl) var(--space-lg) var(--space-3xl);
  }
  .page-news .timeline-feature {
    max-width: 100%;
    margin-left: 0;
    margin-right: 0;
  }
  .page-news .insights-main-img {
    max-height: 400px;
  }
  .page-news .sidebar-cta {
    flex-direction: column;
  }
  .page-news .sidebar-link {
    width: 100%;
  }
}

@media (min-width: 1024px) {
  .page-news .hero-text h1 {
    font-size: 4rem;
  }
  .page-news .hero-visual {
    width: 300px;
    height: 300px;
  }
  .page-news .index-grid {
    grid-template-columns: repeat(5, 1fr);
  }
  .page-news .timeline-container {
    padding-right: var(--space-xl);
  }
  .page-news .insights-main {
    flex: 0 0 68%;
    max-width: 68%;
  }
  .page-news .insights-sidebar {
    max-width: 28%;
  }
}