/* ========== 页面级作用域 .page-news ========== */
.page-news {
  --news-accent: #FF8C42;
  --news-bg-secondary: #B8D4D0;
  --news-card-gap: 1.5rem;
  --news-max-width: 1200px;
  --font-heading-news: 'STKaiti','KaiTi','SimSun','Noto Serif SC',serif;
  --font-body-news: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, 'Noto Sans SC', sans-serif;
  background-color: #F5F8F6;
  color: #1A2E28;
  font-family: var(--font-body-news);
  line-height: 1.6;
  padding: 0 1rem 2rem;
  position: relative;
}

/* 阅读进度条 */
.page-news #reading-progress {
  position: fixed;
  top: 0; left: 0;
  height: 3px;
  background: linear-gradient(90deg, #4B9B82, #FF8C42);
  width: 0%;
  z-index: 1000;
  transition: width 0.1s linear;
}

/* 进度指示器（占位） */
.page-news .progress-indicator {
  display: none;
}

/* ---------- 首屏 ---------- */
.page-news .hero-section {
  display: flex;
  flex-wrap: wrap;
  gap: 2rem;
  max-width: var(--news-max-width);
  margin: 1rem auto 0;
  padding: 2rem 0 0;
  align-items: center;
}

.page-news .hero-block-left {
  flex: 1 1 45%;
  min-width: 280px;
}

.page-news .hero-heading {
  font-family: var(--font-heading-news);
  font-size: 1.8rem;
  margin: 0 0 0.25rem;
  color: #1A2E28;
}

.page-news .hero-subtitle {
  font-size: 1rem;
  color: #5B7A70;
  margin: 0.25rem 0 0.5rem;
  letter-spacing: 0.04em;
}

.page-news .hero-desc {
  font-size: 0.95rem;
  color: #2A4D45;
  line-height: 1.5;
  margin-bottom: 0.75rem;
}

.page-news .section-tag {
  display: inline-block;
  background: rgba(255,140,66,0.15);
  color: #FF8C42;
  padding: 0.2rem 0.8rem;
  border-radius: 20px;
  font-size: 0.8rem;
  font-weight: 600;
}

.page-news .hero-block-right {
  flex: 1 1 45%;
  min-width: 280px;
}

.page-news .hero-visual {
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
  border-radius: 12px;
  box-shadow: 0 8px 24px rgba(75,155,130,0.12);
}

/* ---------- 面包屑 ---------- */
.page-news .breadcrumb {
  max-width: var(--news-max-width);
  margin: 0.5rem auto 1rem;
  font-size: 0.85rem;
  color: #5B7A70;
}

.page-news .breadcrumb a {
  color: #4B9B82;
  text-decoration: none;
  transition: color 0.2s;
}

.page-news .breadcrumb a:hover {
  color: #FF8C42;
}

.page-news .breadcrumb .sep {
  margin: 0 0.5rem;
  color: #B8D4D0;
}

/* ---------- 页面上下文提示 ---------- */
.page-news .page-context {
  max-width: var(--news-max-width);
  margin: 0 auto 1.5rem;
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

.page-news .context-link {
  background: #B8D4D0;
  padding: 0.2rem 1rem 0.3rem;
  border-radius: 30px;
  font-size: 0.8rem;
  color: #1A2E28;
  text-decoration: none;
  transition: background 0.3s, color 0.3s;
}

.page-news .context-link:hover {
  background: #4B9B82;
  color: #fff;
}

/* ---------- 通用区块头 ---------- */
.page-news .news-block {
  max-width: var(--news-max-width);
  margin: 3rem auto;
  padding: 0 0.5rem;
}

.page-news .block-header {
  margin-bottom: 1.5rem;
  border-left: 4px solid #FF8C42;
  padding-left: 1rem;
}

.page-news .block-title {
  font-family: var(--font-heading-news);
  font-size: 1.6rem;
  margin: 0;
  color: #1A2E28;
}

.page-news .block-desc {
  color: #5B7A70;
  font-size: 0.9rem;
  margin: 0.25rem 0 0;
}

/* ---------- 卡片网格 ---------- */
.page-news .card-grid {
  display: grid;
  gap: var(--news-card-gap);
}

.page-news .grid-2col {
  grid-template-columns: 1fr;
}

/* ---------- 可展开卡片 ---------- */
.page-news .card {
  border-radius: 16px;
  overflow: hidden;
  background: rgba(255,255,255,0.6);
  backdrop-filter: blur(4px);
  border: 1px solid #D0E2DB;
  display: flex;
  flex-direction: column;
  transition: box-shadow 0.3s;
}

.page-news .card:hover {
  box-shadow: 0 6px 18px rgba(75,155,130,0.15);
}

.page-news .card-media img {
  width: 100%;
  max-width: 100%;
  height: auto;
  display: block;
  object-fit: cover;
}

.page-news .card-body {
  padding: 1rem;
  flex: 1;
}

.page-news .card-title {
  font-family: var(--font-heading-news);
  font-size: 1.15rem;
  margin: 0 0 0.5rem;
  color: #1A2E28;
}

.page-news .card-summary {
  font-size: 0.9rem;
  color: #2A4D45;
  line-height: 1.5;
  margin: 0 0 0.75rem;
}

.page-news .read-more {
  color: #FF8C42;
  font-weight: 600;
  cursor: default;
  font-size: 0.85rem;
  display: inline-block;
  margin-top: auto;
}

.page-news .card-detail {
  padding: 0 1rem 1rem;
  color: #5B7A70;
  font-size: 0.9rem;
  line-height: 1.5;
  border-top: 1px dashed #D0E2DB;
  margin-top: 0.5rem;
}

.page-news .hidden {
  display: none;
}

/* ---------- 分析文章列表 ---------- */
.page-news .analysis-list {
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

.page-news .analysis-card {
  display: flex;
  flex-wrap: wrap;
  gap: 1.5rem;
  background: #ffffffd9;
  border-radius: 20px;
  padding: 1rem;
  border: 1px solid #D0E2DB;
  align-items: flex-start;
}

.page-news .analysis-graph {
  flex: 1 1 280px;
  min-width: 200px;
}

.page-news .analysis-graph img {
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
  border-radius: 12px;
}

.page-news .analysis-text {
  flex: 1 1 300px;
}

.page-news .analysis-title {
  font-family: var(--font-heading-news);
  font-size: 1.25rem;
  margin: 0 0 0.25rem;
  color: #1A2E28;
}

.page-news .analysis-meta {
  font-size: 0.8rem;
  color: #FF8C42;
  margin: 0 0 0.5rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.page-news .analysis-summary {
  font-size: 0.9rem;
  color: #2A4D45;
  line-height: 1.5;
  margin: 0 0 0.75rem;
}

.page-news .analysis-detail {
  padding: 0.5rem 0;
  color: #5B7A70;
  font-size: 0.9rem;
  line-height: 1.5;
  border-top: 1px dashed #B8D4D0;
  margin-top: 0.5rem;
}

/* ---------- 行业观察 ---------- */
.page-news .trend-layout {
  display: flex;
  flex-wrap: wrap;
  gap: 2rem;
  align-items: flex-start;
}

.page-news .trend-visual {
  flex: 1 1 380px;
}

.page-news .trend-visual img {
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
  border-radius: 20px;
}

.page-news .trend-articles {
  flex: 1 1 350px;
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.page-news .trend-item {
  background: rgba(255,255,255,0.7);
  border-radius: 16px;
  padding: 1rem;
  border: 1px solid #D0E2DB;
  transition: background 0.3s;
}

.page-news .trend-item:hover {
  background: #fff;
}

.page-news .trend-title {
  font-family: var(--font-heading-news);
  font-size: 1.1rem;
  margin: 0 0 0.3rem;
  color: #1A2E28;
}

.page-news .trend-summary {
  font-size: 0.9rem;
  color: #2A4D45;
  line-height: 1.5;
  margin: 0 0 0.5rem;
}

.page-news .trend-detail {
  padding: 0.5rem 0 0;
  color: #5B7A70;
  font-size: 0.9rem;
  line-height: 1.5;
  border-top: 1px dashed #B8D4D0;
  margin-top: 0.5rem;
}

/* ---------- 侧边栏剪影 ---------- */
.page-news .sidebar-silhouette {
  max-width: var(--news-max-width);
  margin: 1rem auto 2rem;
  display: flex;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
  justify-content: center;
}

.page-news .silhouette-img {
  width: auto;
  max-width: 100%;
  height: auto;
  object-fit: contain;
  border-radius: 12px;
  box-shadow: 0 4px 12px rgba(0,0,0,0.04);
}

.page-news .silhouette-caption {
  font-family: var(--font-heading-news);
  font-size: 1rem;
  color: #2A4D45;
  background: rgba(184,212,208,0.45);
  padding: 0.3rem 1rem;
  border-radius: 30px;
  white-space: nowrap;
}

/* ---------- 移动端优先：窄屏调整 ---------- */
@media (max-width: 768px) {
  .page-news {
    padding: 0 0.75rem 1.5rem;
  }

  .page-news .hero-section {
    flex-direction: column-reverse;
    padding-top: 1rem;
  }

  .page-news .hero-heading {
    font-size: 1.5rem;
  }

  .page-news .grid-2col {
    grid-template-columns: 1fr;
  }

  .page-news .analysis-card {
    flex-direction: column;
  }

  .page-news .trend-layout {
    flex-direction: column-reverse;
  }

  .page-news .trend-visual {
    flex-basis: 100%;
  }

  .page-news .sidebar-silhouette {
    flex-direction: column;
    text-align: center;
  }

  .page-news .silhouette-caption {
    white-space: normal;
  }
}

/* ---------- 桌面：两列网格与宽间距 ---------- */
@media (min-width: 769px) {
  .page-news .grid-2col {
    grid-template-columns: 1fr 1fr;
  }

  .page-news .hero-heading {
    font-size: 2rem;
  }

  .page-news .block-title {
    font-size: 1.8rem;
  }
}