/* ===== 行业观察页 page-news ===== */
.page-news {
  color: var(--color-paper);
  background: transparent;
}

.page-news .section-block {
  padding-top: 56px;
  padding-bottom: 56px;
}

.page-news .section-head {
  margin-bottom: 28px;
}

.page-news .section-head h2 {
  font-family: var(--font-heading);
  font-size: 1.8rem;
  line-height: 1.15;
  letter-spacing: -0.01em;
  color: var(--color-paper);
  margin: 4px 0 10px;
}

.page-news .section-head .section-lead,
.page-news .tags-copy .section-lead {
  color: rgba(244, 245, 247, 0.72);
  font-size: 0.95rem;
  line-height: 1.7;
  max-width: 640px;
  margin: 0;
}

.page-news .section-kicker {
  font-family: var(--font-heading);
  font-size: 0.82rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-electric);
  margin-bottom: 6px;
}

.page-news .breadcrumbs {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 18px;
  font-size: 0.82rem;
  font-family: var(--font-body);
}

.page-news .breadcrumbs a {
  color: var(--color-electric);
  text-decoration: none;
}

.page-news .breadcrumbs a:hover,
.page-news .breadcrumbs a:focus-visible {
  text-decoration: underline;
}

.page-news .breadcrumbs span[aria-current="page"] {
  color: rgba(244, 245, 247, 0.65);
}

.page-news .media-frame img {
  width: 100%;
  height: auto;
  display: block;
}

/* Hero 封面区 */
.page-news .news-hero {
  position: relative;
  padding: 40px 0 0;
  overflow: hidden;
  background: linear-gradient(180deg, rgba(13, 16, 23, 0.55), rgba(26, 29, 36, 0) 60%);
}

.page-news .news-hero::after {
  content: "";
  position: absolute;
  right: -60px;
  top: 50px;
  width: 220px;
  height: 220px;
  background: repeating-linear-gradient(135deg, transparent 0 12px, rgba(139, 92, 246, 0.28) 12px 14px);
  pointer-events: none;
  z-index: 0;
}

.page-news .news-hero-inner {
  position: relative;
  z-index: 1;
  display: grid;
  gap: 32px;
  padding-bottom: 40px;
}

.page-news .news-hero-copy {
  max-width: 760px;
}

.page-news .news-hero-copy h1 {
  font-family: var(--font-heading);
  font-size: 2.05rem;
  line-height: 1.12;
  letter-spacing: -0.02em;
  color: var(--color-paper);
  margin: 0 0 16px;
}

.page-news .news-hero-copy .section-lead {
  font-size: 1rem;
  color: rgba(244, 245, 247, 0.82);
  margin-bottom: 24px;
}

.page-news .news-hero-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 22px;
}

.page-news .news-hero-meta .tag {
  border: 1px solid rgba(45, 225, 252, 0.55);
  color: var(--color-electric);
  background: rgba(13, 16, 23, 0.35);
  padding: 4px 12px;
  font-size: 0.78rem;
  font-family: var(--font-mono);
  letter-spacing: 0.02em;
}

.page-news .news-hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 36px;
}

.page-news .news-hero-cover {
  border: var(--border-width) solid var(--color-flame);
  box-shadow: 8px 8px 0 var(--shadow);
  transform: rotate(-0.4deg);
}

.page-news .news-hero-cover img {
  clip-path: polygon(0 0, 100% 0, 100% 100%, 6% 94%);
}

/* 最新动态 */
.page-news .news-latest {
  background: rgba(13, 16, 23, 0.35);
}

.page-news .latest-rail {
  display: grid;
  gap: 18px;
}

.page-news .latest-card {
  position: relative;
  background: var(--color-surface);
  color: var(--color-ink);
  border: var(--border-width) solid var(--color-ink);
  box-shadow: 6px 6px 0 var(--shadow);
  padding: 22px 20px 20px;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.page-news .latest-card:hover,
.page-news .latest-card:focus-within {
  transform: translate(-3px, -3px);
  box-shadow: 9px 9px 0 rgba(0, 0, 0, 0.7);
}

.page-news .latest-topline {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 14px;
}

.page-news .latest-card .tag {
  display: inline-block;
  font-family: var(--font-heading);
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  color: var(--color-purple);
  border: 2px solid currentColor;
  border-radius: 0;
  padding: 2px 8px;
  background: transparent;
}

.page-news .latest-card h3 {
  font-family: var(--font-heading);
  font-size: 1.12rem;
  line-height: 1.3;
  margin: 0 0 10px;
  color: var(--color-ink);
}

.page-news .latest-card p {
  font-size: 0.9rem;
  line-height: 1.65;
  margin: 0 0 16px;
  color: rgba(13, 16, 23, 0.82);
}

.page-news .latest-time {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.76rem;
  color: var(--color-muted);
  border-top: 2px solid var(--color-muted);
  padding-top: 6px;
}

/* 更新公告 */
.page-news .news-updates {
  border-top: 1px solid rgba(61, 68, 82, 0.7);
  border-bottom: 1px solid rgba(61, 68, 82, 0.7);
}

.page-news .updates-layout {
  display: grid;
  gap: 28px;
}

.page-news .update-index {
  display: grid;
  gap: 14px;
  align-content: start;
}

.page-news .update-details {
  background: var(--color-surface);
  color: var(--color-ink);
  border: var(--border-width) solid var(--color-ink);
  box-shadow: 6px 6px 0 var(--shadow);
  padding: 16px 18px;
}

.page-news .update-details summary {
  list-style: none;
  cursor: pointer;
  display: flex;
  align-items: baseline;
  gap: 12px;
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 1rem;
  line-height: 1.4;
  color: var(--color-ink);
  transition: color 0.15s ease;
}

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

.page-news .update-details summary:hover {
  color: var(--color-flame);
}

.page-news .update-details[open] summary {
  color: var(--color-flame);
}

.page-news .update-no {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 0.9rem;
  color: var(--color-electric);
  flex-shrink: 0;
}

.page-news .update-details p {
  margin: 12px 0 10px;
  padding-left: 14px;
  border-left: 3px solid var(--color-electric);
  font-size: 0.92rem;
  line-height: 1.7;
  color: rgba(13, 16, 23, 0.82);
}

.page-news .update-details .link-more {
  display: inline-block;
  margin-top: 2px;
  margin-left: 17px;
  font-size: 0.85rem;
  color: var(--color-purple);
  font-weight: 600;
}

.page-news .update-feature {
  margin-top: 0;
}

.page-news .section-update {
  border: var(--border-width) solid var(--color-electric);
  box-shadow: 8px 8px 0 var(--shadow);
}

.page-news .media-caption {
  margin-top: 10px;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: rgba(244, 245, 247, 0.6);
}

/* 数据专题 */
.page-news .news-data {
  background: rgba(13, 16, 23, 0.35);
}

.page-news .data-feature {
  display: grid;
  gap: 28px;
  align-items: center;
}

.page-news .data-copy h3 {
  font-family: var(--font-heading);
  font-size: 1.4rem;
  line-height: 1.25;
  color: var(--color-paper);
  margin: 0 0 14px;
}

.page-news .data-copy p {
  color: rgba(244, 245, 247, 0.82);
  font-size: 0.95rem;
  line-height: 1.75;
  margin-bottom: 18px;
}

.page-news .data-points {
  list-style: none;
  padding: 0;
  margin: 0 0 24px;
  display: grid;
  gap: 10px;
}

.page-news .data-points li {
  position: relative;
  padding-left: 18px;
  font-size: 0.92rem;
  line-height: 1.6;
  color: rgba(244, 245, 247, 0.85);
}

.page-news .data-points li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.6em;
  width: 8px;
  height: 8px;
  background: var(--color-flame);
  transform: rotate(45deg);
}

.page-news .section-data {
  border: var(--border-width) solid var(--color-purple);
  box-shadow: 8px 8px 0 var(--shadow);
}

/* 话题索引 */
.page-news .tags-layout {
  display: grid;
  gap: 28px;
  align-items: center;
}

.page-news .tags-copy h2 {
  font-family: var(--font-heading);
  font-size: 1.8rem;
  line-height: 1.15;
  margin: 4px 0 10px;
  color: var(--color-paper);
}

.page-news .tag-cloud {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 22px;
}

.page-news .tag-cloud .tag {
  display: inline-block;
  background: transparent;
  border: 2px solid var(--color-electric);
  color: var(--color-electric);
  padding: 6px 14px;
  font-family: var(--font-heading);
  font-size: 0.85rem;
  text-decoration: none;
  line-height: 1.3;
  transition: background 0.2s ease, color 0.2s ease, transform 0.2s ease;
}

.page-news .tag-cloud .tag:hover,
.page-news .tag-cloud .tag:focus-visible {
  background: var(--color-electric);
  color: var(--color-ink);
  transform: translateY(-2px);
}

.page-news .topic-cover {
  border: 2px solid var(--color-signal);
  box-shadow: 8px 8px 0 var(--shadow);
  transform: rotate(0.4deg);
}

/* 延伸阅读 */
.page-news .more-grid {
  gap: 16px;
  grid-template-columns: 1fr;
}

.page-news .more-card {
  display: flex;
  flex-direction: column;
  gap: 8px;
  background: rgba(244, 245, 247, 0.06);
  border: 2px solid var(--color-muted);
  color: var(--color-paper);
  text-decoration: none;
  padding: 22px 18px;
  transition: border-color 0.2s ease, transform 0.2s ease, background 0.2s ease;
}

.page-news .more-card:hover,
.page-news .more-card:focus-visible {
  border-color: var(--color-flame);
  background: rgba(255, 77, 0, 0.08);
  transform: translateY(-3px);
}

.page-news .more-index {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--color-electric);
}

.page-news .more-card strong {
  font-family: var(--font-heading);
  font-size: 1.2rem;
}

.page-news .more-card-desc {
  font-size: 0.85rem;
  color: rgba(244, 245, 247, 0.7);
  line-height: 1.5;
}

/* 键盘焦点 */
.page-news a:focus-visible,
.page-news summary:focus-visible {
  outline: 2px solid var(--color-electric);
  outline-offset: 4px;
}

/* ===== 桌面端 ===== */
@media (min-width: 900px) {
  .page-news .section-block {
    padding-top: 80px;
    padding-bottom: 80px;
  }

  .page-news .news-hero {
    padding-top: 64px;
  }

  .page-news .news-hero-inner {
    grid-template-columns: 52fr 48fr;
    gap: 56px;
    align-items: center;
  }

  .page-news .news-hero-copy h1 {
    font-size: 2.5rem;
  }

  .page-news .hero-actions {
    margin-bottom: 0;
  }

  .page-news .latest-rail {
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
  }

  .page-news .updates-layout {
    grid-template-columns: 1fr 1fr;
    gap: 48px;
    align-items: start;
  }

  .page-news .update-index {
    order: 1;
  }

  .page-news .update-feature {
    order: 2;
  }

  .page-news .data-feature {
    grid-template-columns: 1fr 1fr;
    gap: 56px;
  }

  .page-news .data-copy {
    order: 1;
  }

  .page-news .section-data {
    order: 2;
    transform: rotate(-0.4deg);
  }

  .page-news .tags-layout {
    grid-template-columns: 1fr 1fr;
    gap: 56px;
  }

  .page-news .more-grid {
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
  }
}