/* ============================================================
   PAGE-SPECIFIC: 行业观察 (news)
   作用域：.page-news
   移动端优先 + 桌面端左右分屏杂志布局
   ============================================================ */

/* ---- 作用域容器 ---- */
.page-news {
  background-color: var(--color-cream, #F4F1EA);
  color: var(--color-black, #111111);
  font-family: var(--font-body, 'Georgia', 'Songti SC', serif);
  min-height: 60vh;
}

/* ---- 容器与面包屑 ---- */
.page-news .container {
  max-width: var(--max-width, 1200px);
  margin: 0 auto;
  padding: var(--space-lg, 2rem) var(--space-md, 1rem) var(--space-2xl, 6rem);
}

.page-news .breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-xs, 0.25rem);
  margin-bottom: var(--space-lg, 2rem);
  font-family: var(--font-heading, 'Microsoft YaHei', 'PingFang SC', sans-serif);
  font-size: 0.8rem;
  color: var(--color-gray-rock, #8A9BA8);
  letter-spacing: 0.03em;
}

.page-news .breadcrumb a {
  color: var(--color-blue-dark, #1A2A4A);
  text-decoration: none;
  transition: color 0.2s;
}

.page-news .breadcrumb a:hover,
.page-news .breadcrumb a:focus-visible {
  color: var(--color-red, #C41030);
  outline: none;
  text-decoration: underline;
}

.page-news .breadcrumb-sep {
  margin: 0 var(--space-xs, 0.25rem);
  color: var(--color-gray-rock, #8A9BA8);
}

.page-news .breadcrumb [aria-current="page"] {
  color: var(--color-red, #C41030);
  font-weight: 600;
}

/* ---- 杂志布局（左右分屏） ---- */
.page-news .magazine-layout {
  display: flex;
  flex-direction: column;
  gap: var(--space-xl, 4rem);
}

/* ====== 左侧目录 ====== */
.page-news .magazine-toc {
  position: relative;
  flex-shrink: 0;
  padding: var(--space-lg, 2rem);
  background-color: var(--color-white, #FFFFFF);
  border: 2px solid var(--color-gray-rock, #8A9BA8);
  box-shadow: var(--shadow-sm, 0 1px 3px rgba(0,0,0,0.12));
  /* 印刷质感叠层 */
  background-image: linear-gradient(135deg, transparent 95%, var(--color-gray-rock, #8A9BA8) 100%);
}

/* 刊头 */
.page-news .toc-header {
  position: relative;
  margin-bottom: var(--space-lg, 2rem);
  padding-bottom: var(--space-md, 1rem);
  border-bottom: 1px solid var(--color-gray-rock, #8A9BA8);
}

.page-news .toc-issue {
  display: inline-block;
  font-family: var(--font-heading, 'Microsoft YaHei', 'PingFang SC', sans-serif);
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--color-gold, #F1C40F);
  background-color: var(--color-blue-dark, #1A2A4A);
  padding: 0.2rem 0.6rem;
  margin-bottom: var(--space-sm, 0.5rem);
}

.page-news .toc-header h1 {
  font-family: var(--font-heading, 'Microsoft YaHei', 'PingFang SC', sans-serif);
  font-size: 2.5rem;
  font-weight: 800;
  color: var(--color-blue-dark, #1A2A4A);
  margin: 0 0 var(--space-xs, 0.25rem);
  line-height: 1.1;
  letter-spacing: 0.02em;
}

.page-news .toc-subtitle {
  font-family: var(--font-body, 'Georgia', 'Songti SC', serif);
  font-size: 0.9rem;
  color: var(--color-gray-rock, #8A9BA8);
  margin: 0;
  font-style: italic;
}

/* 竖排小注释（展览感） */
.page-news .toc-vertical-note {
  position: absolute;
  top: 0;
  right: 0;
  writing-mode: vertical-rl;
  font-family: var(--font-heading, 'Microsoft YaHei', 'PingFang SC', sans-serif);
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.25em;
  color: var(--color-gray-rock, #8A9BA8);
  opacity: 0.4;
  pointer-events: none;
  user-select: none;
}

/* 目录列表 */
.page-news .toc-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm, 0.5rem);
  margin-bottom: var(--space-lg, 2rem);
}

.page-news .toc-item {
  display: flex;
  align-items: center;
  gap: var(--space-md, 1rem);
  padding: var(--space-sm, 0.5rem) var(--space-md, 1rem);
  text-decoration: none;
  color: var(--color-black, #111111);
  background-color: transparent;
  border-left: 3px solid transparent;
  transition: background-color 0.2s, border-color 0.2s, box-shadow 0.2s;
  border-radius: 0 var(--radius-sm, 4px) var(--radius-sm, 4px) 0;
}

.page-news .toc-item:hover,
.page-news .toc-item:focus-visible {
  background-color: var(--color-cream, #F4F1EA);
  border-left-color: var(--color-red, #C41030);
  outline: none;
  box-shadow: var(--shadow-sm, 0 1px 3px rgba(0,0,0,0.12));
}

.page-news .toc-item-num {
  font-family: var(--font-heading, 'Microsoft YaHei', 'PingFang SC', sans-serif);
  font-weight: 700;
  font-size: 0.85rem;
  color: var(--color-red, #C41030);
  min-width: 1.5rem;
}

.page-news .toc-item-title {
  flex: 1;
  font-family: var(--font-heading, 'Microsoft YaHei', 'PingFang SC', sans-serif);
  font-weight: 600;
  font-size: 1rem;
}

.page-news .toc-item-page {
  font-family: var(--font-body, 'Georgia', 'Songti SC', serif);
  font-size: 0.7rem;
  color: var(--color-gray-rock, #8A9BA8);
  font-style: italic;
}

/* 页码装饰 */
.page-news .toc-pagination {
  font-family: var(--font-heading, 'Microsoft YaHei', 'PingFang SC', sans-serif);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.2em;
  color: var(--color-gray-rock, #8A9BA8);
  margin-bottom: var(--space-lg, 2rem);
  padding-top: var(--space-md, 1rem);
  border-top: 1px solid var(--color-gray-rock, #8A9BA8);
}

/* 目录小图标 */
.page-news .toc-icon {
  text-align: center;
  opacity: 0.7;
}

.page-news .toc-icon img {
  max-width: 100%;
  height: auto;
  border-radius: var(--radius-sm, 4px);
}

/* ====== 右侧文章区 ====== */
.page-news .magazine-articles {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: var(--space-2xl, 6rem);
}

/* ====== 文章卡片（框景） ====== */
.page-news .article-card {
  scroll-margin-top: calc(var(--header-height, 70px) + var(--space-lg, 2rem));
}

/* 框景边框 */
.page-news .article-frame {
  position: relative;
  padding: var(--space-lg, 2rem) var(--space-md, 1rem) var(--space-md, 1rem);
  background-color: var(--color-white, #FFFFFF);
  border: 2px solid var(--color-gray-rock, #8A9BA8);
  box-shadow: var(--shadow-sm, 0 1px 3px rgba(0,0,0,0.12));
  transition: border-color 0.3s, box-shadow 0.3s, background-color 0.3s;
  /* 纸张叠层质感 */
  background-image: linear-gradient(180deg, transparent 96%, rgba(138,155,168,0.08) 100%);
}

.page-news .article-card:hover .article-frame,
.page-news .article-card:focus-within .article-frame {
  border-color: var(--color-gold, #F1C40F);
  box-shadow: var(--shadow-md, 0 4px 20px rgba(0,0,0,0.25));
  background-color: var(--color-cream, #F4F1EA);
}

/* 框角装饰 */
.page-news .frame-corner {
  position: absolute;
  font-family: var(--font-heading, 'Microsoft YaHei', 'PingFang SC', sans-serif);
  font-size: 0.7rem;
  font-weight: 700;
  color: var(--color-gray-rock, #8A9BA8);
  pointer-events: none;
  user-select: none;
  transition: color 0.3s;
}

.page-news .article-card:hover .frame-corner,
.page-news .article-card:focus-within .frame-corner {
  color: var(--color-gold, #F1C40F);
}

.page-news .frame-corner--tl {
  top: -0.6rem;
  left: var(--space-md, 1rem);
  background-color: var(--color-cream, #F4F1EA);
  padding: 0 0.4rem;
  line-height: 1;
}

.page-news .frame-corner--tr {
  top: -0.6rem;
  right: var(--space-md, 1rem);
  background-color: var(--color-cream, #F4F1EA);
  padding: 0 0.4rem;
  line-height: 1;
  font-size: 0.5rem;
}

.page-news .frame-corner--bl {
  bottom: -0.6rem;
  left: var(--space-md, 1rem);
  background-color: var(--color-cream, #F4F1EA);
  padding: 0 0.4rem;
  line-height: 1;
  font-size: 0.5rem;
}

.page-news .frame-corner--br {
  bottom: -0.6rem;
  right: var(--space-md, 1rem);
  background-color: var(--color-cream, #F4F1EA);
  padding: 0 0.4rem;
  line-height: 1;
}

/* 文章头 */
.page-news .article-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--space-sm, 0.5rem);
}

.page-news .article-tag {
  display: inline-block;
  font-family: var(--font-heading, 'Microsoft YaHei', 'PingFang SC', sans-serif);
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-white, #FFFFFF);
  background-color: var(--color-blue-dark, #1A2A4A);
  padding: 0.2rem 0.8rem;
  border-radius: var(--radius-sm, 4px);
}

.page-news .article-number {
  font-family: var(--font-heading, 'Microsoft YaHei', 'PingFang SC', sans-serif);
  font-size: 1.8rem;
  font-weight: 800;
  color: var(--color-gray-rock, #8A9BA8);
  opacity: 0.25;
  line-height: 1;
  transition: opacity 0.3s, color 0.3s;
}

.page-news .article-card:hover .article-number,
.page-news .article-card:focus-within .article-number {
  opacity: 0.5;
  color: var(--color-gold, #F1C40F);
}

/* 文章标题 */
.page-news .article-frame h2 {
  font-family: var(--font-heading, 'Microsoft YaHei', 'PingFang SC', sans-serif);
  font-size: 1.6rem;
  font-weight: 700;
  color: var(--color-blue-dark, #1A2A4A);
  margin: 0 0 var(--space-sm, 0.5rem);
  line-height: 1.2;
  letter-spacing: 0.02em;
  transition: color 0.3s;
}

.page-news .article-card:hover .article-frame h2,
.page-news .article-card:focus-within .article-frame h2 {
  color: var(--color-red, #C41030);
}

/* 文章图片 */
.page-news .article-image {
  margin: var(--space-sm, 0.5rem) 0 var(--space-md, 1rem);
  border: 1px solid var(--color-gray-rock, #8A9BA8);
  box-shadow: var(--shadow-sm, 0 1px 3px rgba(0,0,0,0.12));
  transition: box-shadow 0.3s;
}

.page-news .article-card:hover .article-image,
.page-news .article-card:focus-within .article-image {
  box-shadow: var(--shadow-md, 0 4px 20px rgba(0,0,0,0.25));
}

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

/* 文章正文 */
.page-news .article-body {
  font-family: var(--font-body, 'Georgia', 'Songti SC', serif);
  font-size: 0.95rem;
  line-height: 1.7;
  color: var(--color-black, #111111);
  margin: var(--space-md, 1rem) 0;
  /* 默认显示完整内容，渐进增强 */
  max-height: 2000px;
  overflow: hidden;
  transition: max-height 0.4s ease;
}

.page-news .article-body p {
  margin: 0 0 var(--space-sm, 0.5rem);
}

.page-news .article-body strong {
  color: var(--color-blue-dark, #1A2A4A);
  font-weight: 700;
}

/* 文章底部 */
.page-news .article-footer {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-md, 1rem);
  padding-top: var(--space-sm, 0.5rem);
  border-top: 1px solid var(--color-gray-rock, #8A9BA8);
  font-size: 0.8rem;
}

.page-news .article-pages {
  font-family: var(--font-heading, 'Microsoft YaHei', 'PingFang SC', sans-serif);
  font-size: 0.7rem;
  font-weight: 700;
  color: var(--color-gray-rock, #8A9BA8);
  letter-spacing: 0.05em;
}

.page-news .article-readmore {
  font-family: var(--font-heading, 'Microsoft YaHei', 'PingFang SC', sans-serif);
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--color-red, #C41030);
  opacity: 0;
  transform: translateX(-0.5rem);
  transition: opacity 0.3s, transform 0.3s;
  pointer-events: none;
}

.page-news .article-card:hover .article-readmore,
.page-news .article-card:focus-within .article-readmore {
  opacity: 1;
  transform: translateX(0);
}

.page-news .article-extlink {
  margin-left: auto;
  font-family: var(--font-heading, 'Microsoft YaHei', 'PingFang SC', sans-serif);
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--color-blue-dark, #1A2A4A);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color 0.2s, border-color 0.2s;
}

.page-news .article-extlink:hover,
.page-news .article-extlink:focus-visible {
  color: var(--color-red, #C41030);
  border-bottom-color: var(--color-red, #C41030);
  outline: none;
}

/* ====== 假分页 ====== */
.page-news .pagination-demo {
  display: flex;
  justify-content: center;
  gap: var(--space-sm, 0.5rem);
  padding: var(--space-lg, 2rem) 0 var(--space-md, 1rem);
  font-family: var(--font-heading, 'Microsoft YaHei', 'PingFang SC', sans-serif);
}

.page-news .pagination-demo-item {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.2rem;
  height: 2.2rem;
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--color-gray-rock, #8A9BA8);
  border: 1px solid var(--color-gray-rock, #8A9BA8);
  border-radius: var(--radius-sm, 4px);
  background-color: var(--color-white, #FFFFFF);
  transition: border-color 0.2s, color 0.2s, background-color 0.2s;
}

.page-news .pagination-demo-item.is-active {
  color: var(--color-white, #FFFFFF);
  background-color: var(--color-red, #C41030);
  border-color: var(--color-red, #C41030);
}

/* ============================================================
   桌面端 —— 左右分屏
   ============================================================ */
@media (min-width: 768px) {
  .page-news .container {
    padding: var(--space-xl, 4rem) var(--space-lg, 2rem) var(--space-2xl, 6rem);
  }

  .page-news .magazine-layout {
    flex-direction: row;
    align-items: flex-start;
    gap: var(--space-2xl, 6rem);
  }

  /* 左侧目录：固定宽度约 30% */
  .page-news .magazine-toc {
    position: sticky;
    top: calc(var(--header-height, 70px) + var(--space-lg, 2rem));
    width: 280px;
    min-width: 260px;
    max-width: 320px;
    padding: var(--space-xl, 4rem) var(--space-lg, 2rem);
  }

  .page-news .toc-header h1 {
    font-size: 3rem;
  }

  .page-news .toc-vertical-note {
    font-size: 0.7rem;
    opacity: 0.5;
  }

  /* 右侧文章区：弹性 */
  .page-news .magazine-articles {
    flex: 1;
    min-width: 0;
    gap: var(--space-2xl, 6rem);
  }

  /* 文章卡片内边距更宽裕 */
  .page-news .article-frame {
    padding: var(--space-xl, 4rem) var(--space-lg, 2rem) var(--space-lg, 2rem);
  }

  .page-news .article-frame h2 {
    font-size: 2rem;
  }

  .page-news .article-body {
    font-size: 1rem;
  }

  .page-news .frame-corner--tl,
  .page-news .frame-corner--tr {
    top: -0.7rem;
  }

  .page-news .frame-corner--bl,
  .page-news .frame-corner--br {
    bottom: -0.7rem;
  }

  .page-news .pagination-demo {
    justify-content: flex-end;
  }
}

@media (min-width: 1024px) {
  .page-news .magazine-toc {
    width: 320px;
    min-width: 300px;
    max-width: 360px;
  }

  .page-news .toc-header h1 {
    font-size: 3.5rem;
  }

  .page-news .article-frame {
    padding: var(--space-2xl, 6rem) var(--space-xl, 4rem) var(--space-xl, 4rem);
  }
}

/* ============================================================
   移动端微调
   ============================================================ */
@media (max-width: 480px) {
  .page-news .container {
    padding: var(--space-md, 1rem);
  }

  .page-news .toc-header h1 {
    font-size: 1.8rem;
  }

  .page-news .article-frame h2 {
    font-size: 1.3rem;
  }

  .page-news .article-body {
    font-size: 0.9rem;
  }

  .page-news .article-footer {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--space-sm, 0.5rem);
  }

  .page-news .article-extlink {
    margin-left: 0;
  }
}

/* ============================================================
   减少运动偏好
   ============================================================ */
@media (prefers-reduced-motion: reduce) {
  .page-news *,
  .page-news *::before,
  .page-news *::after {
    transition-duration: 0.01s !important;
    transition-delay: 0s !important;
    animation-duration: 0.01s !important;
  }

  .page-news .article-readmore {
    opacity: 1;
    transform: none;
  }
}