.page-news {
  --sidebar-w: 300px;
  background: var(--snow-white);
  color: var(--ink-black);
  position: relative;
}

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

/* ===== Hero ===== */
.page-news .news-hero {
  display: grid;
  gap: 24px;
  border: var(--border-w) solid var(--ink-black);
  box-shadow: var(--shadow-hard);
  padding: 24px 20px;
  margin: 24px 0 40px;
  position: relative;
  background:
    linear-gradient(135deg, var(--grid-line) 0 50%, transparent 50%) 0 0 / 24px 24px,
    linear-gradient(315deg, var(--grid-line) 0 50%, transparent 50%) 0 0 / 24px 24px,
    var(--snow-white);
}

.page-news .news-hero::before {
  content: "";
  position: absolute;
  top: -2px;
  right: 48px;
  width: 96px;
  height: 8px;
  background: var(--brand-blue);
  clip-path: polygon(0 0, 100% 0, 90% 100%, 0 100%);
}

.page-news .news-hero-copy {
  display: flex;
  flex-direction: column;
  justify-content: center;
  min-width: 0;
}

.page-news .news-hero h1 {
  font-family: var(--font-heading);
  font-size: var(--fs-display);
  font-weight: 900;
  line-height: 1.12;
  letter-spacing: -0.03em;
  margin: 16px 0;
  color: var(--ink-black);
}

.page-news .news-hero-copy > p {
  font-size: var(--fs-body);
  line-height: 1.75;
  color: var(--slate-gray);
  max-width: 56ch;
  margin: 0 0 16px;
}

.page-news .hero-stats {
  display: flex;
  flex-wrap: wrap;
  gap: 20px 36px;
  border-top: var(--border-w) solid var(--ink-black);
  padding-top: 20px;
  margin-top: 20px;
}

.page-news .hero-stat {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.page-news .hero-stat .stat-number {
  font-family: var(--font-heading);
  font-size: clamp(32px, 4vw, 44px);
  font-weight: 900;
  color: var(--brand-blue);
  line-height: 1;
  letter-spacing: -0.02em;
}

.page-news .hero-stat .stat-unit {
  font-size: 0.6em;
  margin-left: 2px;
  color: var(--ink-black);
}

.page-news .hero-stat .stat-label {
  font-size: var(--fs-small);
  color: var(--slate-gray);
  font-weight: 600;
}

.page-news .news-hero-image img {
  width: 100%;
  height: auto;
  border: var(--border-w) solid var(--ink-black);
  box-shadow: 6px 6px 0 rgba(30, 136, 229, 0.3);
}

/* ===== 布局 ===== */
.page-news .news-layout {
  display: flex;
  flex-direction: column;
  gap: 32px;
  align-items: stretch;
}

.page-news .news-sidebar {
  order: 1;
}

.page-news .news-main {
  order: 2;
  min-width: 0;
}

.page-news .sidebar-block {
  border: var(--border-w) solid var(--ink-black);
  box-shadow: var(--shadow-hard);
  background: var(--snow-white);
  padding: 20px;
}

.page-news .sidebar-block h2 {
  font-size: 20px;
  font-weight: 900;
  margin: 0 0 4px;
  letter-spacing: -0.02em;
  border-bottom: var(--border-w) solid var(--ink-black);
  padding-bottom: 12px;
}

.page-news .filter-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-news .filter-list li + li {
  border-top: 1px solid #E1E6ED;
}

.page-news .filter-link {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 12px 4px;
  color: var(--ink-black);
  font-weight: 600;
  text-decoration: none;
  transition:
    padding-left var(--t-fast),
    background var(--t-fast),
    box-shadow var(--t-fast);
}

.page-news .filter-link:hover,
.page-news .filter-link:focus-visible,
.page-news .filter-link.is-active {
  padding-left: 12px;
  background: rgba(30, 136, 229, 0.06);
  box-shadow: inset 4px 0 0 var(--brand-blue);
  outline: none;
}

.page-news .filter-count {
  font-family: var(--font-heading);
  font-size: 20px;
  font-weight: 900;
  color: var(--slate-gray);
}

.page-news .sidebar-card {
  margin-top: 24px;
  border: var(--border-w) solid var(--ink-black);
  box-shadow: var(--shadow-hard);
  background: var(--deep-blue);
  padding: 20px;
}

.page-news .sidebar-card h3 {
  font-size: 18px;
  font-weight: 900;
  margin: 0 0 12px;
  color: var(--gold-amber);
  letter-spacing: -0.02em;
}

.page-news .sidebar-card ul {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-news .sidebar-card a {
  display: block;
  color: var(--snow-white);
  font-weight: 600;
  font-size: var(--fs-small);
  text-decoration: none;
  padding: 10px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.15);
  transition:
    color var(--t-fast),
    padding-left var(--t-fast);
}

.page-news .sidebar-card a:hover,
.page-news .sidebar-card a:focus-visible {
  color: var(--gold-amber);
  padding-left: 8px;
  outline: none;
}

.page-news .sidebar-note {
  margin-top: 24px;
  padding: 14px 16px;
  background: rgba(30, 136, 229, 0.08);
  border-left: 4px solid var(--brand-blue);
  font-size: var(--fs-small);
  color: var(--slate-gray);
  line-height: 1.7;
}

.page-news .sidebar-note p {
  margin: 0;
}

.page-news .sidebar-note p + p {
  margin-top: 6px;
}

/* ===== 区块标题 ===== */
.page-news .content-block {
  margin-bottom: 48px;
}

.page-news .section-heading {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
  border-bottom: var(--border-w) solid var(--ink-black);
  padding-bottom: 12px;
  margin-bottom: 24px;
}

.page-news .section-heading h2 {
  font-size: var(--fs-h3);
  font-weight: 900;
  letter-spacing: -0.02em;
  margin: 0;
  line-height: 1.2;
}

/* ===== 文章卡片 ===== */
.page-news .article-card {
  display: grid;
  grid-template-columns: 48px 1fr;
  gap: 16px;
  padding: 20px 0;
  border-bottom: 1px solid #E1E6ED;
  transition:
    transform var(--t-med),
    box-shadow var(--t-med),
    background var(--t-med);
}

.page-news .article-card:hover,
.page-news .article-card:focus-within {
  background: var(--snow-white);
  transform: translateX(6px);
  box-shadow: 4px 4px 0 var(--brand-blue);
}

.page-news .article-index {
  font-family: var(--font-heading);
  font-size: 26px;
  font-weight: 900;
  color: var(--snow-white);
  background: var(--ink-black);
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  clip-path: polygon(0 0, 100% 0, 100% 78%, 78% 100%, 0 100%);
}

.page-news .article-content {
  min-width: 0;
}

.page-news .article-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 10px;
}

.page-news .article-content h3 {
  font-size: 20px;
  font-weight: 900;
  line-height: 1.4;
  letter-spacing: -0.01em;
  margin: 0 0 8px;
}

.page-news .article-content p {
  font-size: var(--fs-body);
  line-height: 1.7;
  color: var(--slate-gray);
  margin: 0 0 12px;
}

.page-news .article-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 8px 16px;
}

.page-news .meta-unit {
  font-size: var(--fs-label);
  font-weight: 600;
  color: var(--slate-gray);
}

.page-news .article-meta a {
  font-size: var(--fs-label);
  font-weight: 800;
  color: var(--brand-blue);
  text-decoration: none;
  border-bottom: 2px solid var(--brand-blue);
  padding-bottom: 2px;
}

/* ===== 数据专题 ===== */
.page-news .data-card {
  border: var(--border-w) solid var(--ink-black);
  box-shadow: var(--shadow-hard);
  background: var(--snow-white);
  padding: 16px;
  margin-bottom: 24px;
}

.page-news .data-card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 12px;
}

.page-news .data-card-header h3 {
  font-size: 20px;
  font-weight: 900;
  margin: 0;
}

.page-news .chart-wrap {
  width: 100%;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.page-news .chart-wrap svg {
  width: 100%;
  height: auto;
  min-width: 480px;
  display: block;
}

.page-news .data-legend {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 24px;
  margin-top: 12px;
  font-size: var(--fs-label);
  color: var(--slate-gray);
}

.page-news .data-card-compact {
  border-color: var(--deep-blue);
  background: var(--deep-blue);
  box-shadow: 6px 6px 0 rgba(20, 24, 29, 0.85);
}

.page-news .data-card-compact h3 {
  color: var(--snow-white);
  font-size: 20px;
  font-weight: 900;
  margin: 0 0 12px;
}

.page-news .data-list {
  list-style: none;
  margin: 0 0 16px;
  padding: 0;
}

.page-news .data-list li {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 16px;
  padding: 12px 0;
  border-bottom: 1px dashed rgba(255, 255, 255, 0.25);
}

.page-news .data-key {
  font-size: var(--fs-small);
  color: rgba(247, 249, 252, 0.65);
}

.page-news .data-value {
  font-size: 15px;
  font-weight: 800;
  color: var(--gold-amber);
  text-align: right;
}

.page-news .data-thumb {
  border: 2px solid var(--snow-white);
  overflow: hidden;
}

.page-news .data-thumb img {
  width: 100%;
  object-fit: cover;
  transition: transform var(--t-med);
}

.page-news .data-thumb:hover img {
  transform: scale(1.02);
}

/* ===== 排查系列 ===== */
.page-news .trouble-grid {
  display: grid;
  gap: 20px;
}

.page-news .trouble-card {
  border: var(--border-w) solid var(--ink-black);
  box-shadow: var(--shadow-hard);
  background: var(--snow-white);
  padding: 20px;
  position: relative;
}

.page-news .trouble-card::before {
  content: "";
  display: block;
  width: 44px;
  height: 8px;
  background: var(--blood-red);
  margin-bottom: 16px;
  clip-path: polygon(0 0, 100% 0, 88% 100%, 0 100%);
}

.page-news .trouble-card h3 {
  font-size: 20px;
  font-weight: 900;
  margin: 0 0 10px;
  letter-spacing: -0.02em;
}

.page-news .trouble-card p {
  font-size: 14px;
  line-height: 1.7;
  color: var(--slate-gray);
  margin: 0 0 14px;
}

.page-news .trouble-card a {
  display: inline-block;
  font-size: var(--fs-label);
  font-weight: 800;
  color: var(--blood-red);
  text-decoration: none;
  border-bottom: 2px solid var(--blood-red);
}

/* ===== 版本更新 ===== */
.page-news .version-list {
  display: flex;
  flex-direction: column;
}

.page-news .version-item {
  display: flex;
  gap: 16px;
  align-items: flex-start;
  padding: 18px 0;
  border-bottom: 1px solid #E1E6ED;
}

.page-news .version-badge {
  flex-shrink: 0;
  background: var(--ink-black);
  color: var(--snow-white);
  font-family: var(--font-heading);
  font-weight: 900;
  font-size: 14px;
  padding: 6px 12px;
  clip-path: polygon(0 0, 100% 0, 100% 72%, 90% 100%, 0 100%);
}

.page-news .version-detail h3 {
  font-size: 18px;
  font-weight: 900;
  margin: 0 0 6px;
  letter-spacing: -0.01em;
}

.page-news .version-detail p {
  font-size: 14px;
  color: var(--slate-gray);
  line-height: 1.7;
  margin: 0;
}

/* ===== 场景区 ===== */
.page-news .scene-area {
  border: var(--border-w) solid var(--ink-black);
  box-shadow: var(--shadow-hard);
  background: var(--snow-white);
  padding: 20px;
}

.page-news .scene-grid {
  display: grid;
  gap: 24px;
}

.page-news .scene-figure {
  border: var(--border-w) solid var(--ink-black);
  background: #E8EDF2;
}

.page-news .scene-figure img {
  width: 100%;
  height: auto;
}

.page-news .scene-caption {
  font-size: var(--fs-label);
  color: var(--slate-gray);
  padding: 10px 14px;
}

.page-news .scene-copy {
  padding: 4px 0;
}

.page-news .scene-copy h2 {
  font-size: var(--fs-h3);
  font-weight: 900;
  letter-spacing: -0.02em;
  margin: 12px 0;
}

.page-news .scene-copy > p {
  font-size: var(--fs-body);
  line-height: 1.75;
  color: var(--slate-gray);
  margin: 0 0 16px;
}

.page-news .scene-list {
  list-style: none;
  margin: 16px 0 20px;
  padding: 0;
}

.page-news .scene-list li {
  position: relative;
  padding: 10px 0 10px 26px;
  font-size: 14px;
  border-bottom: 1px solid #E1E6ED;
  font-weight: 600;
}

.page-news .scene-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 16px;
  width: 12px;
  height: 12px;
  background: var(--brand-blue);
  clip-path: polygon(0 0, 100% 0, 0 100%);
}

.page-news .scene-mobile {
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
  margin-top: 24px;
}

.page-news .scene-mobile img {
  width: 100%;
  height: auto;
  border: var(--border-w) solid var(--ink-black);
}

.page-news .scene-mobile p {
  font-size: 14px;
  color: var(--slate-gray);
  line-height: 1.6;
  margin: 0;
}

/* ===== 桌面端适配 ===== */
@media (min-width: 768px) {
  .page-news .news-hero {
    grid-template-columns: 1.05fr 0.95fr;
    align-items: stretch;
    padding: 36px;
    margin-top: 32px;
  }

  .page-news .news-hero-image img {
    height: 100%;
    min-height: 300px;
    object-fit: cover;
  }

  .page-news .news-layout {
    display: grid;
    grid-template-columns: var(--sidebar-w) minmax(0, 1fr);
    gap: 32px;
    align-items: start;
  }

  .page-news .news-sidebar {
    order: 1;
  }

  .page-news .news-sidebar {
    position: sticky;
    top: calc(var(--header-h) + 24px);
  }

  .page-news .news-main {
    order: 2;
  }

  .page-news .article-card {
    grid-template-columns: 56px 1fr;
    gap: 20px;
    padding: 24px 0;
  }

  .page-news .article-index {
    width: 56px;
    height: 56px;
    font-size: 30px;
  }

  .page-news .trouble-grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .page-news .scene-grid {
    grid-template-columns: 1fr 1fr;
    align-items: center;
  }

  .page-news .scene-mobile {
    grid-template-columns: 40% 1fr;
    align-items: center;
    gap: 24px;
  }

  .page-news .scene-mobile p {
    font-size: 16px;
    font-weight: 600;
    color: var(--ink-black);
  }
}

@media (min-width: 1024px) {
  .page-news .news-hero {
    padding: 44px;
    margin-bottom: 56px;
  }

  .page-news .news-hero h1 {
    font-size: var(--fs-h1);
  }

  .page-news .data-card {
    padding: 24px;
  }

  .page-news .chart-wrap svg {
    min-width: 600px;
  }

  .page-news .scene-area {
    padding: 28px;
  }
}