.page-news {
  --news-deep: #0f1a3a;
  --news-dark: #0a0e27;
  --news-section: #142145;
  --news-neon: #39ff14;
  --news-accent: #ff6b35;
  --news-text: #f2f6fc;
  --news-muted: #aab8d0;
  --news-border: rgba(57, 255, 20, 0.22);
  --news-line: rgba(170, 184, 208, 0.14);
  --news-hard: 6px 6px 0 rgba(0, 0, 0, 0.28);

  position: relative;
  background: var(--gradient-site);
  color: var(--news-text);
  font-family: var(--font-body);
  overflow-x: hidden;
  padding-top: calc(var(--header-height, 72px) + 28px);
}

.page-news__intro {
  position: relative;
  padding: 12px 0 36px;
}

.page-news__intro::before {
  content: "";
  position: absolute;
  inset: 0;
  background: repeating-linear-gradient(120deg, rgba(57, 255, 20, 0.03) 0, rgba(57, 255, 20, 0.03) 1px, transparent 1px, transparent 14px);
  pointer-events: none;
}

.page-news__intro-inner {
  position: relative;
  z-index: 1;
}

.page-news__breadcrumb {
  margin-bottom: 22px;
}

.page-news__kicker {
  font-family: var(--font-data);
  font-size: 12px;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--news-neon);
  margin: 0 0 12px;
}

.page-news__title-row h1 {
  font-family: var(--font-headline);
  font-size: 40px;
  line-height: 1.08;
  letter-spacing: 0.01em;
  margin: 0 0 20px;
  max-width: 22ch;
}

.page-news__title-row h1::after {
  content: "";
  display: block;
  width: 74px;
  height: 6px;
  margin-top: 18px;
  background: linear-gradient(90deg, var(--news-neon), var(--news-accent));
}

.page-news__lead {
  font-size: 16px;
  line-height: 1.85;
  color: var(--news-muted);
  margin: 0;
  max-width: 62ch;
}

.page-news__intro-stats {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
  margin-top: 32px;
}

.page-news__stat {
  position: relative;
  padding: 16px 16px 16px 20px;
  background: rgba(20, 33, 69, 0.78);
  border: 1px solid var(--news-line);
}

.page-news__stat::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  width: 4px;
  height: 100%;
  background: var(--news-neon);
  opacity: 0.75;
}

.page-news__stat-value {
  display: block;
  font-size: 24px;
  font-weight: 700;
  line-height: 1.1;
  color: var(--news-neon);
  margin-bottom: 6px;
}

.page-news__stat-label {
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--news-muted);
}

.page-news__filter {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
  margin-top: 28px;
  padding-top: 18px;
  border-top: 1px solid var(--news-line);
}

.page-news__filter-label {
  font-family: var(--font-data);
  font-size: 12px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--news-muted);
  margin-right: 6px;
}

.page-news__filter .tag {
  display: inline-flex;
  align-items: center;
  font-weight: 700;
  text-decoration: none;
  transition: background 0.2s ease, color 0.2s ease, border-color 0.2s ease;
}

.page-news__filter .tag:hover {
  background: var(--news-neon);
  color: var(--news-dark);
  border-color: var(--news-neon);
}

.page-news__latest {
  padding: 8px 0 32px;
}

.page-news__content-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 40px;
}

.page-news__timeline {
  position: relative;
  padding-bottom: 32px;
}

.page-news__timeline::before {
  content: "";
  position: absolute;
  top: 0;
  bottom: 32px;
  left: 7px;
  width: 2px;
  background: linear-gradient(to bottom, rgba(57, 255, 20, 0.85) 0%, rgba(57, 255, 20, 0.08) 85%);
}

.page-news__timeline::after {
  content: "";
  position: absolute;
  left: 2px;
  bottom: 24px;
  width: 12px;
  height: 12px;
  border: 2px solid rgba(57, 255, 20, 0.55);
  background: var(--news-dark);
  transform: rotate(45deg);
}

.page-news__item {
  position: relative;
  padding-left: 28px;
  padding-bottom: 32px;
}

.page-news__item:last-child {
  padding-bottom: 0;
}

.page-news__node {
  position: absolute;
  left: 2px;
  top: 20px;
  width: 12px;
  height: 12px;
  background: var(--news-neon);
  border: 2px solid var(--news-dark);
  transform: rotate(45deg);
  box-shadow: 0 0 12px rgba(57, 255, 20, 0.55);
}

.page-news__node::after {
  content: "";
  position: absolute;
  inset: -4px;
  border: 1px solid rgba(57, 255, 20, 0.24);
}

.page-news__item--featured .page-news__node {
  background: var(--news-accent);
  box-shadow: 0 0 14px rgba(255, 107, 53, 0.65);
}

.page-news__card {
  position: relative;
  background: linear-gradient(145deg, #142145 0%, #0f1a3a 100%);
  border: 1px solid var(--news-line);
  border-left: 3px solid rgba(57, 255, 20, 0.6);
  box-shadow: var(--news-hard);
  transition: transform 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease;
}

.page-news__card:hover {
  transform: translateY(-3px);
  border-color: rgba(57, 255, 20, 0.45);
  box-shadow: 9px 9px 0 rgba(0, 0, 0, 0.3);
}

.page-news__card--featured {
  border-left-color: var(--news-accent);
}

.page-news__card-media {
  position: relative;
}

.page-news__card-media::after {
  content: "LIVE · 3s";
  position: absolute;
  top: 14px;
  right: 0;
  background: var(--news-accent);
  color: var(--news-dark);
  font-family: var(--font-data);
  font-size: 12px;
  font-weight: 700;
  padding: 6px 10px 6px 14px;
  letter-spacing: 0.08em;
  clip-path: polygon(8px 0, 100% 0, 100% 100%, 8px 100%, 0 50%);
}

.page-news__card-body {
  padding: 24px;
}

.page-news__card-meta {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 14px;
}

.page-news__date {
  font-family: var(--font-data);
  font-size: 12px;
  color: var(--news-muted);
  letter-spacing: 0.08em;
}

.page-news__card-title {
  position: relative;
  padding-left: 16px;
  font-family: var(--font-headline);
  font-size: 24px;
  line-height: 1.2;
  letter-spacing: 0.02em;
  margin: 0 0 12px;
}

.page-news__card-title::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.32em;
  width: 8px;
  height: 8px;
  background: var(--news-neon);
  transform: rotate(45deg);
}

.page-news__item--featured .page-news__card-title {
  font-size: 28px;
}

.page-news__card-excerpt {
  font-size: 15px;
  line-height: 1.75;
  color: var(--news-muted);
  margin: 0 0 16px;
}

.page-news__card-link {
  font-size: 14px;
}

.page-news__sidebar {
  display: grid;
  gap: 20px;
  align-content: start;
}

.page-news__side-card {
  position: relative;
  background: rgba(15, 26, 58, 0.84);
  border: 1px solid var(--news-border);
  padding: 16px 16px 24px;
  box-shadow: 8px 8px 0 rgba(0, 0, 0, 0.25);
}

.page-news__side-card--accent {
  border-top: 3px solid var(--news-accent);
}

.page-news__side-media {
  border: 1px solid var(--news-line);
  margin-bottom: 20px;
}

.page-news__side-title {
  font-family: var(--font-headline);
  font-size: 20px;
  letter-spacing: 0.04em;
  margin: 0 0 12px;
}

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

.page-news__side-list li:not(:last-child) {
  border-bottom: 1px dashed rgba(170, 184, 208, 0.2);
}

.page-news__side-list a {
  display: block;
  padding: 12px 4px;
  color: var(--news-text);
  text-decoration: none;
  font-weight: 600;
  transition: color 0.2s ease, padding-left 0.2s ease;
}

.page-news__side-list a:hover {
  color: var(--news-neon);
  padding-left: 10px;
}

.page-news__side-note {
  font-size: 13px;
  line-height: 1.7;
  color: var(--news-muted);
  border-top: 1px solid var(--news-border);
  padding-top: 14px;
  margin: 0;
}

.page-news__side-stats {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-news__side-stats li {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  border-bottom: 1px dashed rgba(170, 184, 208, 0.18);
  padding-bottom: 8px;
  font-size: 13px;
  color: var(--news-muted);
}

.page-news__side-stats .data-num {
  font-size: 18px;
  color: var(--news-neon);
  min-width: 68px;
}

.page-news__versions {
  position: relative;
  padding: 56px 0;
  background-image: linear-gradient(rgba(255, 255, 255, 0.03) 1px, transparent 1px), linear-gradient(90deg, rgba(255, 255, 255, 0.03) 1px, transparent 1px);
  background-size: 24px 24px;
}

.page-news__version-row {
  display: grid;
  grid-template-columns: 1fr;
  gap: 32px;
}

.page-news__version-col {
  display: grid;
  gap: 20px;
}

.page-news__version-card {
  position: relative;
  background: rgba(20, 33, 69, 0.9);
  border: 1px solid var(--news-line);
  border-left: 4px solid var(--news-neon);
  padding: 20px 24px;
  box-shadow: var(--news-hard);
  transition: transform 0.2s ease, border-color 0.2s ease;
}

.page-news__version-card:hover {
  transform: translateX(4px);
  border-color: var(--news-neon);
}

.page-news__version-card::after {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  width: 18px;
  height: 18px;
  background: linear-gradient(135deg, var(--news-neon) 0 50%, transparent 51%);
}

.page-news__version-card--v41 {
  border-left-color: var(--news-accent);
}

.page-news__version-card--v41::after {
  background: linear-gradient(135deg, var(--news-accent) 0 50%, transparent 51%);
}

.page-news__version-card--v42 {
  border-left-color: rgba(255, 107, 53, 0.85);
}

.page-news__version-card--v42::after {
  background: linear-gradient(135deg, rgba(57, 255, 20, 0.8) 0 50%, transparent 51%);
}

.page-news__version-head {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  margin-bottom: 8px;
}

.page-news__version-head .data-num {
  font-size: 30px;
  font-weight: 700;
}

.page-news__version-year {
  font-family: var(--font-data);
  font-size: 13px;
  color: var(--news-muted);
  letter-spacing: 0.1em;
}

.page-news__version-desc {
  font-size: 15px;
  color: var(--news-text);
  margin: 0 0 12px;
}

.page-news__version-list {
  margin: 0;
  padding-left: 18px;
}

.page-news__version-list li {
  font-size: 14px;
  line-height: 1.7;
  color: var(--news-muted);
  margin-bottom: 6px;
}

.page-news__version-list li::marker {
  color: var(--news-neon);
}

.page-news__version-visual {
  position: relative;
}

.page-news__version-visual .media-frame {
  border: 1px solid var(--news-border);
  box-shadow: 8px 8px 0 rgba(0, 0, 0, 0.25);
}

.page-news__version-visual::after {
  content: "大屏视图";
  position: absolute;
  right: 0;
  top: 14px;
  background: var(--news-accent);
  color: var(--news-dark);
  font-size: 12px;
  font-weight: 700;
  padding: 6px 12px;
  letter-spacing: 0.08em;
}

.page-news__version-caption {
  font-size: 13px;
  color: var(--news-muted);
  margin: 14px 0 0;
  font-style: italic;
}

.page-news__insights {
  position: relative;
  padding: 64px 0 88px;
}

.page-news__insights::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background: linear-gradient(90deg, var(--news-neon), var(--news-accent));
}

.page-news__insights-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 32px;
}

.page-news__insight-card {
  position: relative;
  background: linear-gradient(145deg, #142145 0%, #0f1a3a 100%);
  border: 1px solid var(--news-line);
  box-shadow: 8px 8px 0 rgba(0, 0, 0, 0.25);
  transition: transform 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease;
}

.page-news__insight-card:hover {
  transform: translateY(-4px);
  border-color: rgba(57, 255, 20, 0.5);
  box-shadow: 12px 12px 0 rgba(0, 0, 0, 0.25);
}

.page-news__insight-card--primary {
  border-top: 4px solid var(--news-accent);
}

.page-news__insight-card::before {
  content: "01";
  position: absolute;
  top: -14px;
  left: 18px;
  background: var(--news-dark);
  color: var(--news-neon);
  font-family: var(--font-data);
  font-weight: 700;
  font-size: 14px;
  padding: 4px 10px;
  border: 1px solid rgba(57, 255, 20, 0.35);
  z-index: 1;
}

.page-news__insight-card--secondary::before {
  content: "02";
  color: var(--news-accent);
  border-color: rgba(255, 107, 53, 0.4);
}

.page-news__insight-media {
  border-bottom: 1px solid var(--news-border);
}

.page-news__insight-body {
  padding: 24px;
}

.page-news__insight-title {
  font-family: var(--font-headline);
  font-size: 22px;
  line-height: 1.25;
  margin: 12px 0 12px;
}

.page-news__insight-desc {
  font-size: 14px;
  line-height: 1.75;
  color: var(--news-muted);
  margin: 0;
}

@media (min-width: 768px) {
  .page-news {
    padding-top: calc(var(--header-height, 72px) + 40px);
  }

  .page-news__intro {
    padding: 16px 0 48px;
  }

  .page-news__title-row h1 {
    font-size: 56px;
  }

  .page-news__lead {
    font-size: 17px;
  }

  .page-news__intro-stats {
    grid-template-columns: repeat(4, 1fr);
    gap: 16px;
  }

  .page-news__stat-value {
    font-size: 28px;
  }

  .page-news__item--featured .page-news__card-title {
    font-size: 34px;
  }

  .page-news__version-row {
    grid-template-columns: minmax(0, 5fr) minmax(0, 4fr);
    align-items: start;
  }

  .page-news__version-visual {
    position: sticky;
    top: calc(var(--header-height, 72px) + 24px);
  }

  .page-news__insights-grid {
    grid-template-columns: 7fr 5fr;
    gap: 40px;
  }

  .page-news__insight-card--secondary {
    align-self: center;
  }
}

@media (min-width: 1024px) {
  .page-news__content-grid {
    grid-template-columns: minmax(0, 1fr) 320px;
    gap: 48px;
  }

  .page-news__sidebar {
    position: sticky;
    top: calc(var(--header-height, 72px) + 24px);
    align-self: start;
  }
}

@media (max-width: 480px) {
  .page-news__intro-stats {
    grid-template-columns: 1fr;
  }

  .page-news__title-row h1 {
    font-size: 36px;
  }

  .page-news__item {
    padding-left: 24px;
  }
}