.page-news {
  --color-primary: #0A2A4A;
  --color-gold: #D4AF37;
  --color-gold-light: #F0D86E;
  --color-accent: #E63946;
  --color-cream: #F5F0E1;
  --color-darkbrown: #2C1E16;
  --color-white: #FFFFFF;
  --color-footer-bg: #1C3A5C;
  --max-width: 1280px;
  --transition: 0.3s ease;
  display: block;
  padding: 2rem 1rem 4rem;
  max-width: var(--max-width);
  margin: 0 auto;
  font-family: 'Inter', 'Noto Sans SC', sans-serif;
  color: var(--color-darkbrown);
  background: var(--color-cream);
}

/* 面包屑 */
.page-news__breadcrumb {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.875rem;
  color: var(--color-darkbrown);
  margin-bottom: 1.5rem;
  opacity: 0.8;
}
.page-news__breadcrumb-item a {
  color: var(--color-gold);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color var(--transition);
}
.page-news__breadcrumb-item a:hover,
.page-news__breadcrumb-item a:focus {
  border-bottom-color: var(--color-gold);
}
.page-news__breadcrumb-item--current {
  font-weight: 700;
  color: var(--color-darkbrown);
}
.page-news__breadcrumb-sep {
  color: var(--color-gold);
  font-weight: 700;
}

/* 英雄区 */
.page-news__hero {
  padding: 2rem 0 3rem;
  border-bottom: 2px solid var(--color-gold);
  margin-bottom: 3rem;
  position: relative;
}
.page-news__hero::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 80px;
  height: 4px;
  background: var(--color-accent);
}
.page-news__hero-title {
  font-size: 3rem;
  font-weight: 900;
  color: var(--color-primary);
  margin: 0 0 0.5rem;
  letter-spacing: -0.02em;
  background: linear-gradient(135deg, var(--color-gold), var(--color-gold-light));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.page-news__hero-subtitle {
  font-size: 1.125rem;
  color: var(--color-darkbrown);
  opacity: 0.85;
  margin: 0;
  font-weight: 400;
}

/* 章节标签 */
.page-news__section-label {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color-primary);
  border-left: 5px solid var(--color-accent);
  padding-left: 1rem;
  margin: 0 0 2rem;
  letter-spacing: 0.02em;
  text-transform: uppercase;
}

/* 时间线布局 */
.page-news__timeline {
  margin-bottom: 4rem;
}

/* 动态条目 */
.page-news__article {
  display: flex;
  gap: 1.5rem;
  margin-bottom: 2rem;
  position: relative;
}
.page-news__article-pin {
  flex-shrink: 0;
  width: 4px;
  background: var(--color-gold);
  border-radius: 2px;
  position: relative;
}
.page-news__article-pin::before {
  content: '';
  position: absolute;
  top: 0;
  left: -6px;
  width: 16px;
  height: 16px;
  background: var(--color-gold);
  border-radius: 50%;
  border: 2px solid var(--color-cream);
}
.page-news__article-meta {
  flex-shrink: 0;
  width: 80px;
  text-align: right;
  padding-top: 0.25rem;
}
.page-news__article-date {
  display: block;
  font-size: 0.875rem;
  font-weight: 700;
  color: var(--color-primary);
  letter-spacing: 0.05em;
}
.page-news__article-card {
  flex: 1;
  background: var(--color-white);
  border: 1px solid var(--color-cream);
  border-radius: 12px;
  padding: 1.25rem 1.5rem;
  box-shadow: 0 2px 8px rgba(0,0,0,0.04);
  transition: box-shadow var(--transition), transform var(--transition);
  position: relative;
  overflow: hidden;
}
.page-news__article-card::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  width: 5px;
  height: 100%;
  background: var(--color-gold);
  border-radius: 12px 0 0 12px;
}
.page-news__article-card:hover {
  box-shadow: 0 6px 20px rgba(212, 175, 55, 0.15);
  transform: translateY(-2px);
}
.page-news__article-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}
.page-news__article-title {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--color-darkbrown);
  margin: 0 0 0.5rem;
  line-height: 1.4;
}
.page-news__article-toggle {
  background: none;
  border: 1px solid var(--color-gold);
  color: var(--color-gold);
  font-size: 0.75rem;
  font-weight: 600;
  padding: 0.25rem 0.75rem;
  border-radius: 20px;
  cursor: pointer;
  transition: background var(--transition), color var(--transition);
  white-space: nowrap;
}
.page-news__article-toggle:hover,
.page-news__article-toggle:focus {
  background: var(--color-gold);
  color: var(--color-primary);
}
.page-news__article-summary {
  font-size: 1rem;
  line-height: 1.6;
  color: var(--color-darkbrown);
  opacity: 0.85;
  margin: 0 0 0.75rem;
}
.page-news__article-body {
  padding-top: 0.75rem;
  border-top: 1px dashed var(--color-gold);
}
.page-news__article-body p {
  font-size: 0.95rem;
  line-height: 1.65;
  color: var(--color-darkbrown);
  opacity: 0.9;
  margin: 0 0 1rem;
}
.page-news__article-image {
  margin-top: 1rem;
  border-radius: 8px;
  overflow: hidden;
}
.page-news__article-image img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
}

/* 行业观察 */
.page-news__insights {
  margin-bottom: 3rem;
}
.page-news__insights-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
}
.page-news__insight-card {
  background: var(--color-white);
  border-radius: 12px;
  overflow: hidden;
  border: 1px solid var(--color-cream);
  box-shadow: 0 2px 8px rgba(0,0,0,0.04);
  transition: box-shadow var(--transition), transform var(--transition);
  position: relative;
}
.page-news__insight-card:hover {
  box-shadow: 0 8px 24px rgba(212, 175, 55, 0.15);
  transform: translateY(-3px);
}
.page-news__insight-image {
  width: 100%;
  height: 180px;
  overflow: hidden;
}
.page-news__insight-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}
.page-news__insight-card:hover .page-news__insight-image img {
  transform: scale(1.03);
}
.page-news__insight-title {
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--color-primary);
  margin: 1rem 1rem 0.5rem;
  line-height: 1.35;
}
.page-news__insight-summary {
  font-size: 0.9rem;
  line-height: 1.55;
  color: var(--color-darkbrown);
  opacity: 0.8;
  margin: 0 1rem 1rem;
}
.page-news__insight-hover {
  display: none;
}
.page-news__insight-card[data-hover-reveal]:hover .page-news__insight-hover {
  display: block;
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  background: rgba(10, 42, 74, 0.92);
  color: var(--color-cream);
  padding: 0.75rem 1rem;
  font-size: 0.85rem;
  line-height: 1.5;
  border-radius: 0 0 12px 12px;
  backdrop-filter: blur(4px);
}

/* 底部引导 */
.page-news__guide {
  padding: 2rem 0 0;
  border-top: 1px solid var(--color-gold);
  text-align: center;
  margin-top: 2rem;
}
.page-news__guide-text {
  font-size: 0.95rem;
  color: var(--color-darkbrown);
  opacity: 0.8;
  margin: 0;
}
.page-news__guide-link {
  color: var(--color-gold);
  text-decoration: none;
  font-weight: 600;
  transition: color var(--transition);
}
.page-news__guide-link:hover,
.page-news__guide-link:focus {
  color: var(--color-accent);
}

/* 桌面端 */
@media (min-width: 768px) {
  .page-news {
    padding: 3rem 2rem 5rem;
  }
  .page-news__hero-title {
    font-size: 4rem;
  }
  .page-news__hero-subtitle {
    font-size: 1.25rem;
  }
  .page-news__article-meta {
    width: 100px;
  }
  .page-news__article-card {
    padding: 1.5rem 2rem;
  }
  .page-news__insights-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
  }
  .page-news__insight-image {
    height: 200px;
  }
}

/* 小桌面/平板 */
@media (min-width: 1024px) {
  .page-news__article-toggle {
    font-size: 0.8rem;
  }
}
</style>