.page-news {
  --sidebar-width: 220px;
  --gold-line: var(--color-divider, #c9a84c);
  --card-radius: var(--radius-md, 8px);
  --transition-default: 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
  display: block;
  width: 100%;
}

/* ── 进度条 ── */
.page-news .progress-bar {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 3px;
  background: rgba(201, 168, 76, 0.15);
  z-index: 1000;
  pointer-events: none;
}

.page-news .progress-bar::after {
  content: '';
  display: block;
  width: 30%;
  height: 100%;
  background: linear-gradient(90deg, var(--gold-line), var(--color-accent-orange, #e67e22));
  animation: page-news-progress-pulse 2.4s ease-in-out infinite alternate;
}

@keyframes page-news-progress-pulse {
  0% { width: 18%; opacity: 0.6; }
  50% { width: 38%; opacity: 1; }
  100% { width: 28%; opacity: 0.8; }
}

/* ── 横幅 ── */
.page-news .page-news-hero {
  position: relative;
  width: 100%;
  height: 260px;
  overflow: hidden;
  background: var(--color-primary-dark, #0d3b2e);
  display: flex;
  align-items: center;
  justify-content: center;
}

.page-news .page-news-hero-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.page-news .page-news-hero-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.35;
  display: block;
}

.page-news .page-news-hero-overlay {
  position: relative;
  z-index: 1;
  text-align: center;
  padding: 1.5rem 1rem;
  max-width: var(--container-max, 1280px);
  width: 100%;
}

.page-news .breadcrumb {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  font-family: var(--font-body, 'Segoe UI', 'PingFang SC', sans-serif);
  font-size: 0.8rem;
  color: var(--color-text-secondary, #b8b5a8);
  margin-bottom: 1rem;
}

.page-news .breadcrumb a {
  color: var(--color-text-secondary, #b8b5a8);
  text-decoration: none;
  transition: color var(--transition-default);
}

.page-news .breadcrumb a:hover,
.page-news .breadcrumb a:focus-visible {
  color: var(--gold-line);
}

.page-news .breadcrumb-sep {
  color: var(--gold-line);
  font-weight: 700;
}

.page-news .page-news-hero-title {
  font-family: var(--font-heading, Impact, 'Arial Black', sans-serif);
  font-size: clamp(2.2rem, 7vw, 4rem);
  font-weight: 900;
  color: var(--color-text-primary, #ffffff);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  margin: 0 0 0.3rem;
  line-height: 1.1;
}

.page-news .page-news-hero-sub {
  font-family: var(--font-body, 'Segoe UI', 'PingFang SC', sans-serif);
  font-size: clamp(0.95rem, 2.2vw, 1.25rem);
  color: var(--gold-line);
  letter-spacing: 0.3em;
  margin: 0 0 1rem;
  font-weight: 400;
}

.page-news .page-news-hero-scroll {
  display: inline-block;
  font-family: var(--font-body, 'Segoe UI', 'PingFang SC', sans-serif);
  font-size: 0.85rem;
  color: var(--color-text-secondary, #b8b5a8);
  text-decoration: none;
  border-bottom: 1px solid rgba(201, 168, 76, 0.3);
  padding-bottom: 2px;
  transition: color var(--transition-default), border-color var(--transition-default);
}

.page-news .page-news-hero-scroll:hover,
.page-news .page-news-hero-scroll:focus-visible {
  color: var(--gold-line);
  border-color: var(--gold-line);
}

/* ── 杂志式布局 ── */
.page-news .page-news-layout {
  display: flex;
  flex-direction: column;
  gap: 0;
  padding-top: 0;
  position: relative;
  background: var(--color-primary-dark, #0d3b2e);
}

/* ── 侧边栏（移动端：水平标签） ── */
.page-news .page-news-sidebar {
  width: 100%;
  background: rgba(13, 59, 46, 0.95);
  border-bottom: 1px solid rgba(201, 168, 76, 0.2);
  padding: 0.6rem 0;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
  position: sticky;
  top: 3px;
  z-index: 100;
}

.page-news .page-news-sidebar::-webkit-scrollbar {
  display: none;
}

.page-news .page-news-sidebar-list {
  list-style: none;
  margin: 0;
  padding: 0 1rem;
  display: flex;
  gap: 0.2rem;
  min-width: max-content;
}

.page-news .page-news-sidebar-link {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 1rem;
  font-family: var(--font-body, 'Segoe UI', 'PingFang SC', sans-serif);
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--color-text-secondary, #b8b5a8);
  text-decoration: none;
  border-radius: var(--radius-sm, 4px);
  transition: background var(--transition-default), color var(--transition-default);
  white-space: nowrap;
}

.page-news .page-news-sidebar-link .num {
  font-family: var(--font-heading, Impact, 'Arial Black', sans-serif);
  font-size: 0.75rem;
  color: var(--gold-line);
  opacity: 0.6;
}

.page-news .page-news-sidebar-link:hover,
.page-news .page-news-sidebar-link:focus-visible {
  background: rgba(201, 168, 76, 0.12);
  color: var(--gold-line);
}

.page-news .page-news-sidebar-link:focus-visible {
  outline: 2px solid var(--gold-line);
  outline-offset: 2px;
}

/* ── 主内容区 ── */
.page-news .page-news-main {
  flex: 1;
  min-width: 0;
  padding: 2rem 1rem 3rem;
}

/* ── 章节 ── */
.page-news .page-news-section {
  margin-bottom: 3rem;
  scroll-margin-top: 80px;
  transition: box-shadow var(--transition-default);
  padding: 0.5rem 0;
}

.page-news .page-news-section:target {
  box-shadow: inset 4px 0 0 var(--gold-line);
  padding-left: 1rem;
}

.page-news .page-news-section:target .section-numbered .num {
  color: var(--color-accent-orange, #e67e22);
}

.page-news .section-numbered {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 0.8rem;
}

.page-news .section-numbered .num {
  font-family: var(--font-heading, Impact, 'Arial Black', sans-serif);
  font-size: 2.8rem;
  font-weight: 900;
  line-height: 1;
  color: var(--gold-line);
  opacity: 0.5;
  transition: color var(--transition-default);
}

.page-news .section-numbered .title {
  font-family: var(--font-heading, Impact, 'Arial Black', sans-serif);
  font-size: 1.6rem;
  font-weight: 700;
  color: var(--color-text-primary, #ffffff);
  margin: 0;
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

.page-news .page-news-section-desc {
  font-family: var(--font-body, 'Segoe UI', 'PingFang SC', sans-serif);
  font-size: 0.95rem;
  color: var(--color-text-secondary, #b8b5a8);
  margin: 0 0 1.5rem;
  max-width: 660px;
  line-height: 1.6;
}

/* ── 品牌更新列表 ── */
.page-news .page-news-updates-list {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.page-news .page-news-card {
  display: flex;
  gap: 0.8rem;
  background: var(--color-glass-overlay, rgba(13, 59, 46, 0.7));
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  border-radius: var(--card-radius);
  padding: 1rem 1rem 1rem 0.8rem;
  border-left: 3px solid transparent;
  transition: border-color var(--transition-default), box-shadow var(--transition-default), transform var(--transition-default);
  box-shadow: 0 2px 12px rgba(0, 0, 0, 0.15);
}

.page-news .page-news-card:hover {
  border-left-color: var(--gold-line);
  box-shadow: var(--shadow-card, 0 8px 30px rgba(0, 0, 0, 0.25));
  transform: translateX(4px);
}

.page-news .page-news-card-line {
  flex-shrink: 0;
  width: 3px;
  background: var(--gold-line);
  opacity: 0.2;
  border-radius: 2px;
  transition: opacity var(--transition-default);
}

.page-news .page-news-card:hover .page-news-card-line {
  opacity: 0.7;
}

.page-news .page-news-card-body {
  flex: 1;
  min-width: 0;
}

.page-news .page-news-card-tag {
  display: inline-block;
  font-family: var(--font-body, 'Segoe UI', 'PingFang SC', sans-serif);
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--gold-line);
  background: rgba(201, 168, 76, 0.1);
  padding: 0.15rem 0.6rem;
  border-radius: 2px;
  margin-bottom: 0.4rem;
}

.page-news .page-news-card-tag--viewpoint {
  background: rgba(230, 126, 34, 0.12);
  color: var(--color-accent-orange, #e67e22);
}

.page-news .page-news-card-title {
  font-family: var(--font-body, 'Segoe UI', 'PingFang SC', sans-serif);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--color-text-primary, #ffffff);
  margin: 0 0 0.3rem;
  line-height: 1.3;
}

.page-news .page-news-card-text {
  font-family: var(--font-body, 'Segoe UI', 'PingFang SC', sans-serif);
  font-size: 0.88rem;
  color: var(--color-text-secondary, #b8b5a8);
  line-height: 1.6;
  margin: 0;
}

/* ── 速度条（加载优化可视化） ── */
.page-news .page-news-speed-bars {
  display: flex;
  align-items: flex-end;
  gap: 4px;
  margin-top: 0.8rem;
  padding-top: 0.8rem;
  border-top: 1px solid rgba(201, 168, 76, 0.15);
}

.page-news .page-news-speed-bar {
  display: block;
  width: 24px;
  background: var(--gold-line);
  border-radius: 2px 2px 0 0;
  opacity: 0.3;
  transition: opacity var(--transition-default), height var(--transition-default);
}

.page-news .page-news-speed-bar--slow {
  height: 16px;
  background: var(--color-text-secondary, #b8b5a8);
}

.page-news .page-news-speed-bar--mid {
  height: 28px;
  opacity: 0.5;
}

.page-news .page-news-speed-bar--fast {
  height: 40px;
  opacity: 0.9;
  background: var(--color-accent-orange, #e67e22);
}

.page-news .page-news-card:hover .page-news-speed-bar--fast {
  opacity: 1;
}

/* ── 行业观察网格 ── */
.page-news .page-news-insights-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.2rem;
}

.page-news .page-news-insight-card {
  flex-direction: column;
  padding: 0;
  border-left: none;
  overflow: hidden;
}

.page-news .page-news-insight-card:hover {
  border-left: none;
  transform: translateY(-4px);
}

.page-news .page-news-insight-img-wrap {
  width: 100%;
  height: 180px;
  overflow: hidden;
  background: var(--color-primary-dark, #0d3b2e);
}

.page-news .page-news-insight-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.5s ease;
}

.page-news .page-news-insight-card:hover .page-news-insight-img {
  transform: scale(1.04);
}

.page-news .page-news-insight-body {
  padding: 1rem 1rem 1.2rem;
}

/* ── details 展开 ── */
.page-news .page-news-details {
  display: block;
  margin-top: 0.5rem;
}

.page-news .page-news-details-summary {
  font-family: var(--font-body, 'Segoe UI', 'PingFang SC', sans-serif);
  font-size: 0.88rem;
  color: var(--color-accent-orange, #e67e22);
  cursor: pointer;
  list-style: none;
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.2rem 0;
  border-bottom: 1px dashed rgba(230, 126, 34, 0.3);
  transition: border-color var(--transition-default);
}

.page-news .page-news-details-summary::-webkit-details-marker {
  display: none;
}

.page-news .page-news-details-summary:hover {
  border-bottom-color: var(--color-accent-orange, #e67e22);
}

.page-news .page-news-details-icon {
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  opacity: 0.7;
}

.page-news .page-news-details[open] .page-news-details-icon {
  opacity: 1;
}

.page-news .page-news-details-content {
  padding: 0.8rem 0 0.2rem;
  animation: page-news-fade-in 0.35s ease;
}

.page-news .page-news-details-content p {
  font-family: var(--font-body, 'Segoe UI', 'PingFang SC', sans-serif);
  font-size: 0.88rem;
  color: var(--color-text-secondary, #b8b5a8);
  line-height: 1.7;
  margin: 0 0 0.6rem;
}

.page-news .page-news-viewpoint-note {
  font-size: 0.78rem !important;
  font-style: italic;
  color: rgba(201, 168, 76, 0.6) !important;
  margin-top: 0.8rem !important;
}

@keyframes page-news-fade-in {
  from { opacity: 0; transform: translateY(-6px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* ── 专家专栏 ── */
.page-news .page-news-expert-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1.2rem;
  background: var(--color-glass-overlay, rgba(13, 59, 46, 0.7));
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border-radius: var(--card-radius);
  padding: 1.5rem;
  border: 1px solid rgba(201, 168, 76, 0.15);
  text-align: center;
  transition: border-color var(--transition-default), box-shadow var(--transition-default);
}

.page-news .page-news-expert-card:hover {
  border-color: rgba(201, 168, 76, 0.4);
  box-shadow: var(--shadow-card, 0 8px 30px rgba(0, 0, 0, 0.25));
}

.page-news .page-news-expert-icon-wrap {
  width: 90px;
  height: 90px;
  border-radius: 50%;
  overflow: hidden;
  border: 2px solid var(--gold-line);
  flex-shrink: 0;
  background: var(--color-primary-dark, #0d3b2e);
}

.page-news .page-news-expert-icon {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.page-news .page-news-expert-body {
  flex: 1;
  min-width: 0;
}

.page-news .page-news-expert-title {
  font-family: var(--font-body, 'Segoe UI', 'PingFang SC', sans-serif);
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--color-text-primary, #ffffff);
  margin: 0 0 0.4rem;
}

.page-news .page-news-expert-text {
  font-family: var(--font-body, 'Segoe UI', 'PingFang SC', sans-serif);
  font-size: 0.88rem;
  color: var(--color-text-secondary, #b8b5a8);
  line-height: 1.6;
  margin: 0 0 1rem;
}

.page-news .page-news-expert-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem;
  justify-content: center;
}

.page-news .page-news-expert-btn {
  font-family: var(--font-body, 'Segoe UI', 'PingFang SC', sans-serif);
  font-size: 0.85rem;
  font-weight: 600;
  padding: 0.5rem 1.2rem;
  border-radius: var(--radius-sm, 4px);
  text-decoration: none;
  transition: background var(--transition-default), border-color var(--transition-default), color var(--transition-default);
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.page-news .btn-outline {
  border: 1.5px solid var(--gold-line);
  color: var(--gold-line);
  background: transparent;
}

.page-news .btn-outline:hover,
.page-news .btn-outline:focus-visible {
  background: rgba(201, 168, 76, 0.12);
  color: var(--color-text-primary, #ffffff);
}

.page-news .btn-primary {
  border: 1.5px solid var(--color-accent-orange, #e67e22);
  background: var(--color-accent-orange, #e67e22);
  color: var(--color-text-primary, #ffffff);
}

.page-news .btn-primary:hover,
.page-news .btn-primary:focus-visible {
  background: transparent;
  color: var(--color-accent-orange, #e67e22);
}

.page-news .btn:focus-visible {
  outline: 2px solid var(--gold-line);
  outline-offset: 3px;
}

/* ── 桌面端（≥768px） ── */
@media (min-width: 768px) {
  .page-news .page-news-hero {
    height: 320px;
  }

  .page-news .page-news-hero-overlay {
    padding: 2rem 3rem;
    text-align: left;
  }

  .page-news .breadcrumb {
    justify-content: flex-start;
  }

  .page-news .page-news-layout {
    flex-direction: row;
    align-items: flex-start;
    max-width: var(--container-max, 1280px);
    margin: 0 auto;
    padding: 0 2rem;
  }

  .page-news .page-news-sidebar {
    position: sticky;
    top: 60px;
    z-index: 50;
    width: var(--sidebar-width);
    flex-shrink: 0;
    background: transparent;
    border-bottom: none;
    border-right: 1px solid rgba(201, 168, 76, 0.2);
    padding: 2.5rem 1.5rem 2rem 0;
    overflow: visible;
  }

  .page-news .page-news-sidebar-list {
    flex-direction: column;
    gap: 0.4rem;
    padding: 0;
    min-width: 0;
  }

  .page-news .page-news-sidebar-link {
    padding: 0.6rem 1rem;
    font-size: 0.95rem;
    border-radius: var(--radius-sm, 4px);
    white-space: normal;
  }

  .page-news .page-news-sidebar-link .num {
    font-size: 0.85rem;
  }

  .page-news .page-news-main {
    padding: 2.5rem 0 4rem 2.5rem;
    border-left: 1px solid rgba(201, 168, 76, 0.08);
    margin-left: -1px;
  }

  .page-news .page-news-section {
    padding: 0.5rem 0 0.5rem 1.5rem;
  }

  .page-news .page-news-section:target {
    padding-left: 2.5rem;
  }

  .page-news .section-numbered .num {
    font-size: 3.6rem;
  }

  .page-news .section-numbered .title {
    font-size: 2rem;
  }

  .page-news .page-news-updates-list {
    gap: 1.2rem;
  }

  .page-news .page-news-card {
    padding: 1.2rem 1.5rem 1.2rem 1rem;
  }

  .page-news .page-news-card-title {
    font-size: 1.2rem;
  }

  .page-news .page-news-card-tag {
    font-size: 0.72rem;
  }

  .page-news .page-news-insights-grid {
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
  }

  .page-news .page-news-insight-card {
    min-height: 480px;
  }

  .page-news .page-news-insight-img-wrap {
    height: 200px;
  }

  .page-news .page-news-expert-card {
    flex-direction: row;
    text-align: left;
    padding: 2rem 2.5rem;
  }

  .page-news .page-news-expert-icon-wrap {
    width: 120px;
    height: 120px;
  }

  .page-news .page-news-expert-actions {
    justify-content: flex-start;
  }

  .page-news .page-news-expert-btn {
    font-size: 0.9rem;
    padding: 0.55rem 1.4rem;
  }
}

/* ── 大桌面端（≥1024px） ── */
@media (min-width: 1024px) {
  .page-news .page-news-sidebar {
    width: 240px;
  }

  .page-news .page-news-main {
    padding: 3rem 0 5rem 3rem;
  }

  .page-news .page-news-section {
    margin-bottom: 4rem;
  }

  .page-news .section-numbered .num {
    font-size: 4rem;
  }

  .page-news .section-numbered .title {
    font-size: 2.2rem;
  }

  .page-news .page-news-card-title {
    font-size: 1.25rem;
  }
}

/* ── 容器（复用共享类名，限定作用域） ── */
.page-news .container {
  width: 100%;
  max-width: var(--container-max, 1280px);
  margin: 0 auto;
  padding-left: 1rem;
  padding-right: 1rem;
}

/* ── 无障碍 ── */
.page-news .sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  border: 0;
}

@media (prefers-reduced-motion: reduce) {
  .page-news *,
  .page-news *::before,
  .page-news *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
}