.page-news {
  --news-accent-line: #00BFFF;
  --news-bar-bg: #0D1730;
  --news-panel-bg: rgba(255, 255, 255, 0.03);
  background: var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-body);
  line-height: 1.6;
  overflow-x: hidden;
  padding-bottom: 72px;
}

.page-news .btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

/* 刊头区 */
.page-news__masthead {
  position: relative;
  padding-top: 36px;
  padding-bottom: 32px;
}

.page-news__masthead::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--color-highlight) 0%, var(--color-electric) 55%, transparent 100%);
  opacity: 0.85;
}

.page-news__masthead::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: repeating-linear-gradient(90deg, var(--color-border) 0 8px, transparent 8px 16px);
}

.page-news__masthead-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 28px;
}

.page-news__masthead-copy .section-kicker {
  display: inline-block;
  margin-bottom: 10px;
}

.page-news__masthead-copy h1 {
  font-family: var(--font-head);
  font-size: 40px;
  font-weight: 700;
  text-transform: uppercase;
  line-height: 1.06;
  letter-spacing: 0.01em;
  margin: 0 0 16px;
  color: var(--color-text);
}

.page-news__masthead-copy h1 em {
  font-style: normal;
  display: block;
  color: var(--color-highlight);
  font-size: 0.78em;
  margin-top: 4px;
}

.page-news__lede {
  color: var(--color-text-dim);
  font-size: 15px;
  line-height: 1.7;
  max-width: 580px;
  margin: 0 0 24px;
}

.page-news__masthead-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.page-news__masthead-actions .btn {
  min-width: 150px;
}

/* 数据指标面板 */
.page-news__masthead-metrics {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  border: 1px solid var(--color-border);
  background: var(--color-bg-alt);
  position: relative;
  overflow: hidden;
}

.page-news__masthead-metrics::before {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  top: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--color-highlight), var(--color-electric), var(--color-gold));
}

.page-news__masthead-metrics .live-metric {
  padding: 18px 16px;
  border-right: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
}

.page-news__masthead-metrics .live-metric:nth-child(2n) {
  border-right: none;
}

.page-news__masthead-metrics .live-metric:nth-last-child(-n+2) {
  border-bottom: none;
}

.page-news__masthead-metrics .live-metric__value {
  font-size: 28px;
}

/* 分类筛选条 */
.page-news__filter-bar {
  background: var(--color-bg-alt);
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
}

.page-news__filter-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  padding-top: 10px;
  padding-bottom: 10px;
}

.page-news__filter-note {
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--color-text-dim);
  margin-right: 6px;
}

.page-news__filter-btn {
  font-family: var(--font-head);
  font-size: 13px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  text-decoration: none;
  color: var(--color-text-dim);
  padding: 7px 14px;
  border: 1px solid var(--color-border);
  background: transparent;
  clip-path: polygon(8px 0, 100% 0, calc(100% - 8px) 100%, 0 100%);
  transition: color var(--ease), background var(--ease), border-color var(--ease);
}

.page-news__filter-btn:hover,
.page-news__filter-btn:focus-visible {
  color: var(--color-highlight);
  border-color: var(--color-electric);
  background: rgba(0, 191, 255, 0.08);
}

.page-news__filter-btn.is-active {
  color: var(--color-bg);
  background: var(--color-highlight);
  border-color: var(--color-highlight);
}

/* 区块头部行 */
.page-news__head-row {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
}

.page-news__head-meta {
  font-size: 12px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-text-dim);
  padding-bottom: 6px;
  white-space: nowrap;
}

/* 最新文章 */
.page-news__latest {
  padding-top: 56px;
  padding-bottom: 24px;
}

.page-news__latest-sub {
  max-width: 680px;
}

.page-news__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
  margin-top: 28px;
}

/* 文章卡片 */
.page-news__card {
  background: var(--color-bg-alt);
  border: 1px solid var(--color-border);
  position: relative;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  transition: border-color var(--ease), transform var(--ease), box-shadow var(--ease);
}

.page-news__card::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  width: 100%;
  height: 2px;
  background: var(--news-accent-line);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 220ms ease;
  z-index: 3;
  pointer-events: none;
}

.page-news__card:hover,
.page-news__card:focus-within {
  border-color: var(--color-electric);
  transform: translateY(-4px);
  box-shadow: var(--shadow-card);
}

.page-news__card:hover::before,
.page-news__card:focus-within::before {
  transform: scaleX(1);
}

.page-news__card:hover .page-news__thumb img,
.page-news__card:focus-within .page-news__thumb img {
  transform: scale(1.03);
}

.page-news__thumb {
  position: relative;
  margin: 0;
  aspect-ratio: 16 / 9;
  overflow: hidden;
  border-bottom: 1px solid var(--color-border);
  background: var(--color-bg-deep);
}

.page-news__thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.45s ease;
}

.page-news__card-body {
  padding: 18px 20px 20px;
  display: flex;
  flex-direction: column;
  flex: 1;
}

.page-news__card-tags {
  margin-bottom: 8px;
}

.page-news__card-title {
  font-family: var(--font-head);
  font-size: 19px;
  font-weight: 600;
  line-height: 1.25;
  margin: 0 0 8px;
}

.page-news__card-title a {
  color: var(--color-text);
  text-decoration: none;
  transition: color var(--ease);
}

.page-news__card-title a:hover,
.page-news__card-title a:focus-visible {
  color: var(--color-electric);
}

.page-news__card-excerpt {
  font-size: 14px;
  color: var(--color-text-dim);
  line-height: 1.65;
  margin: 0 0 16px;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.page-news__card-meta {
  margin-top: auto;
  padding-top: 12px;
  border-top: 1px solid var(--color-border);
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 12px;
  color: var(--color-text-dim);
  letter-spacing: 0.06em;
}

.page-news__card-meta .data-text {
  color: var(--color-electric);
  font-weight: 700;
}

/* 赛前前瞻专题 */
.page-news__preview {
  padding: 64px 0 72px;
  margin-top: 32px;
  background:
    radial-gradient(ellipse at 90% 10%, rgba(75, 0, 130, 0.4), transparent 55%),
    linear-gradient(135deg, rgba(8, 10, 16, 0.6) 0%, var(--color-bg) 100%);
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
}

.page-news__preview .section-subtitle {
  max-width: 640px;
}

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

.page-news__feature {
  background: var(--color-bg-alt);
  border: 1px solid var(--color-border);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  position: relative;
  transition: border-color var(--ease), box-shadow var(--ease);
}

.page-news__feature::after {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  width: 56px;
  height: 4px;
  background: linear-gradient(90deg, var(--color-gold), var(--color-burgundy));
}

.page-news__feature:hover {
  border-color: var(--color-gold);
  box-shadow: var(--shadow-card);
}

.page-news__feature-img {
  margin: 0;
  aspect-ratio: 16 / 9;
  overflow: hidden;
  border-bottom: 1px solid var(--color-border);
}

.page-news__feature-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.page-news__feature-body {
  padding: 28px 28px 30px;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 10px;
}

.page-news__feature-tag {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
}

.page-news__feature-code {
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--color-text-dim);
}

.page-news__feature-body h3 {
  font-family: var(--font-head);
  font-size: 26px;
  font-weight: 600;
  line-height: 1.18;
  margin: 4px 0 0;
}

.page-news__feature-body p {
  color: var(--color-text-dim);
  font-size: 15px;
  line-height: 1.75;
  margin: 0 0 12px;
}

.page-news__feature-body .btn {
  align-self: flex-start;
}

.page-news__preview-list {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.page-news__preview-item {
  background: var(--news-panel-bg);
  border: 1px solid var(--color-border);
  padding: 24px 24px 24px 76px;
  position: relative;
  flex: 1;
  transition: border-color var(--ease), transform var(--ease), background var(--ease);
}

.page-news__preview-item:hover,
.page-news__preview-item:focus-within {
  border-color: var(--color-electric);
  background: rgba(0, 191, 255, 0.06);
  transform: translateX(6px);
}

.page-news__preview-no {
  position: absolute;
  left: 20px;
  top: 22px;
  font-size: 26px;
  font-weight: 700;
  color: var(--color-highlight);
  line-height: 1;
}

.page-news__preview-item h3 {
  font-family: var(--font-head);
  font-size: 18px;
  font-weight: 600;
  line-height: 1.25;
  margin: 0 0 8px;
}

.page-news__preview-item h3 a {
  color: var(--color-text);
  text-decoration: none;
  transition: color var(--ease);
}

.page-news__preview-item h3 a:hover,
.page-news__preview-item h3 a:focus-visible {
  color: var(--color-electric);
}

.page-news__preview-item p {
  font-size: 14px;
  color: var(--color-text-dim);
  line-height: 1.65;
  margin: 0;
}

/* 数据报告 */
.page-news__report {
  padding-top: 56px;
  padding-bottom: 24px;
}

.page-news__report-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 32px;
  margin-top: 28px;
}

.page-news__report-list {
  display: flex;
  flex-direction: column;
  border-top: 1px solid var(--color-border);
}

.page-news__report-item {
  display: grid;
  grid-template-columns: 64px 1fr;
  gap: 16px;
  padding: 22px 8px 22px 0;
  border-bottom: 1px solid var(--color-border);
  transition: background var(--ease), padding-left var(--ease);
}

.page-news__report-item:hover,
.page-news__report-item:focus-within {
  background: rgba(0, 191, 255, 0.04);
  padding-left: 12px;
}

.page-news__report-no {
  font-size: 13px;
  font-weight: 700;
  color: var(--color-electric);
  padding-top: 4px;
}

.page-news__report-item h3 {
  font-size: 18px;
  font-weight: 600;
  margin: 0 0 6px;
}

.page-news__report-item p {
  font-size: 14px;
  color: var(--color-text-dim);
  margin: 0;
  line-height: 1.65;
}

.page-news__report-aside {
  background: var(--color-bg-alt);
  border: 1px solid var(--color-border);
  border-top: 3px solid var(--color-highlight);
  padding: 28px;
  align-self: start;
}

.page-news__report-aside h3 {
  font-family: var(--font-head);
  font-size: 20px;
  font-weight: 600;
  text-transform: uppercase;
  margin: 0 0 12px;
}

.page-news__report-aside p {
  color: var(--color-text-dim);
  font-size: 14px;
  line-height: 1.75;
  margin: 0 0 20px;
}

.page-news__report-aside .btn {
  align-self: flex-start;
}

/* 工具与版本更新 */
.page-news__updates {
  padding-top: 56px;
  padding-bottom: 16px;
}

.page-news__updates-row {
  display: grid;
  grid-template-columns: 1fr;
  gap: 32px;
  margin-top: 28px;
}

.page-news__updates-list {
  list-style: none;
  margin: 0;
  padding: 0;
  position: relative;
}

.page-news__updates-list li {
  position: relative;
  padding: 0 0 30px 30px;
  margin-left: 8px;
  border-left: 1px solid var(--color-border);
}

.page-news__updates-list li:last-child {
  padding-bottom: 0;
}

.page-news__updates-list li::before {
  content: "";
  position: absolute;
  left: -7px;
  top: 6px;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--color-bg);
  border: 3px solid var(--color-highlight);
  box-sizing: border-box;
}

.page-news__updates-list li:first-child::before {
  background: var(--color-highlight);
  border-color: var(--color-highlight);
}

.page-news__updates-ver {
  display: block;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--color-gold);
  margin-bottom: 6px;
}

.page-news__updates-list h3 {
  font-size: 17px;
  font-weight: 600;
  margin: 0 0 6px;
  line-height: 1.35;
}

.page-news__updates-list p {
  font-size: 14px;
  color: var(--color-text-dim);
  line-height: 1.65;
  margin: 0;
}

.page-news__updates-note {
  background: linear-gradient(135deg, rgba(128, 0, 32, 0.22), transparent 65%);
  border: 1px solid var(--color-border);
  padding: 28px;
  align-self: start;
  position: relative;
  overflow: hidden;
}

.page-news__updates-note::before {
  content: "";
  position: absolute;
  right: -20px;
  top: -20px;
  width: 90px;
  height: 90px;
  border: 2px solid rgba(0, 191, 255, 0.25);
  transform: rotate(45deg);
}

.page-news__updates-note-icon {
  font-family: var(--font-head);
  font-size: 40px;
  line-height: 1;
  color: var(--color-burgundy);
  margin: 0 0 8px;
}

.page-news__updates-note p {
  color: var(--color-text-dim);
  font-size: 15px;
  line-height: 1.7;
  margin: 0 0 20px;
}

.page-news__updates-note p strong {
  color: var(--color-text);
}

.page-news__updates-note .btn {
  align-self: flex-start;
}

/* 媒体查询：平板 */
@media (min-width: 640px) {
  .page-news__masthead-copy h1 {
    font-size: 48px;
  }

  .page-news__grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .page-news__preview-grid {
    gap: 28px;
  }

  .page-news__masthead-metrics .live-metric__value {
    font-size: 32px;
  }
}

@media (min-width: 768px) {
  .page-news__masthead {
    padding-top: 48px;
    padding-bottom: 40px;
  }

  .page-news__masthead-grid {
    grid-template-columns: 3fr 2fr;
    gap: 40px;
    align-items: center;
  }

  .page-news__masthead-copy h1 {
    font-size: 54px;
  }

  .page-news__lede {
    font-size: 16px;
  }

  .page-news__filter-row {
    flex-wrap: nowrap;
  }

  .page-news__filter-btn {
    padding-right: 18px;
  }

  .page-news__preview-grid {
    grid-template-columns: 1.15fr 0.85fr;
    gap: 28px;
  }

  .page-news__preview-list {
    gap: 16px;
  }

  .page-news__report-grid {
    grid-template-columns: 1.4fr 0.6fr;
    gap: 40px;
  }

  .page-news__updates-row {
    grid-template-columns: 1.2fr 0.8fr;
    gap: 40px;
  }
}

/* 媒体查询：桌面 */
@media (min-width: 1024px) {
  .page-news__grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .page-news__grid .page-news__card:first-child {
    grid-column: span 2;
  }

  .page-news__grid .page-news__card:last-child {
    grid-column: span 2;
  }

  .page-news__card-title {
    font-size: 20px;
  }

  .page-news__feature-body {
    padding: 34px 36px 36px;
  }

  .page-news__feature-body h3 {
    font-size: 30px;
  }

  .page-news__preview-item {
    padding: 26px 28px 26px 84px;
  }

  .page-news__updates-note {
    padding: 34px;
  }
}

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