/* ===== 赛事观察 · page-news ===== */
.page-news {
  --news-rail-y: var(--color-accent-orange);
  --news-node: var(--color-accent);
  position: relative;
  color: var(--color-text);
  background-color: var(--color-ink);
  min-height: 100vh;
}

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

/* ---------- 页头 ---------- */
.page-news .news-page-head {
  position: relative;
  border-bottom: 1px solid var(--color-grid);
  background:
    linear-gradient(135deg, rgba(198, 255, 0, 0.045) 0%, transparent 48%),
    linear-gradient(180deg, rgba(16, 24, 32, 0.72) 0%, rgba(11, 26, 42, 0) 100%);
  overflow: hidden;
}

.page-news .news-page-head::before {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  width: 180px;
  height: 180px;
  border: 1px solid var(--color-grid);
  border-right: none;
  border-top: none;
  background-image:
    linear-gradient(var(--color-grid-fade) 1px, transparent 1px),
    linear-gradient(90deg, var(--color-grid-fade) 1px, transparent 1px);
  background-size: 24px 24px;
  pointer-events: none;
}

.page-news .news-page-head .container {
  position: relative;
  padding-top: var(--space-4);
}

.page-news .breadcrumb {
  margin: 0 0 var(--space-5);
}

.page-news .news-head-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-5);
  padding-bottom: var(--space-6);
}

.page-news .news-head-copy h1 {
  font-family: var(--font-head);
  font-size: clamp(2.4rem, 7vw, 4.8rem);
  font-weight: 900;
  line-height: 0.96;
  letter-spacing: -0.02em;
  text-transform: uppercase;
  margin: 0 0 18px;
  color: var(--color-text);
}

.page-news .h1-sub {
  display: block;
  font-family: var(--font-body);
  font-size: clamp(1.05rem, 2.4vw, 1.6rem);
  font-weight: 600;
  line-height: 1.25;
  letter-spacing: 0;
  text-transform: none;
  color: var(--color-accent);
  margin-top: 12px;
  max-width: 18em;
}

.page-news .news-head-desc {
  font-size: 1.0625rem;
  line-height: 1.8;
  color: var(--color-text-dim);
  max-width: 62ch;
  margin: 0 0 26px;
}

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

.page-news .news-head-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  border: 1px solid var(--color-grid);
  background: rgba(16, 24, 32, 0.82);
  box-shadow: var(--shadow-hard);
}

.page-news .news-head-stats .stat-wrap {
  padding: 22px 12px;
  text-align: center;
  border-right: 1px solid var(--color-grid);
}

.page-news .news-head-stats .stat-wrap:last-child {
  border-right: none;
}

.page-news .news-head-stats .stat-value {
  display: block;
  font-size: clamp(1.35rem, 3vw, 1.9rem);
  font-weight: 700;
  color: var(--color-accent);
  line-height: 1.1;
  word-break: break-word;
}

.page-news .news-head-stats .stat-label {
  display: block;
  font-size: var(--fs-small);
  color: var(--color-text-dim);
  margin-top: 8px;
  line-height: 1.4;
}

/* ---------- 最新战报 ---------- */
.page-news .news-section-head {
  display: flex;
  flex-direction: column;
  gap: 20px;
  align-items: flex-start;
  justify-content: space-between;
  margin-bottom: 32px;
}

.page-news .news-section-head .section-header {
  margin-bottom: 0;
}

.page-news .news-filter {
  width: 100%;
  overflow-x: auto;
}

.page-news .news-filter .tabs {
  display: inline-flex;
  min-width: 100%;
  border: 1px solid var(--color-grid);
  background: rgba(16, 24, 32, 0.72);
}

.page-news .news-filter .tab-btn {
  appearance: none;
  border: none;
  border-right: 1px solid var(--color-grid);
  background: transparent;
  color: var(--color-text-dim);
  font-family: var(--font-body);
  font-size: var(--fs-small);
  font-weight: 600;
  padding: 12px 18px;
  cursor: pointer;
  transition: background 0.2s, color 0.2s;
  flex: 1 0 auto;
}

.page-news .news-filter .tab-btn:last-child {
  border-right: none;
}

.page-news .news-filter .tab-btn[aria-selected="true"] {
  background: var(--color-accent);
  color: var(--color-ink);
}

.page-news .news-filter .tab-btn:hover:not([aria-selected="true"]) {
  color: var(--color-accent);
}

/* 战报头图 */
.page-news .news-hero-frame {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0;
  margin-bottom: 48px;
  border: 1px solid var(--color-grid);
  background: var(--color-ink-deep);
}

.page-news .news-hero-img {
  border-bottom: 1px solid var(--color-grid);
}

.page-news .news-hero-img img {
  width: 100%;
  height: auto;
  object-fit: cover;
}

.page-news .news-hero-note {
  padding: 22px 24px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 12px;
  border-left: 3px solid var(--color-accent-orange);
}

.page-news .news-hero-note .note-label {
  color: var(--color-accent);
  letter-spacing: 0.1em;
  font-size: var(--fs-small);
}

.page-news .news-hero-note p {
  color: var(--color-text-dim);
  font-size: var(--fs-small);
  line-height: 1.65;
  margin: 0;
}

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

/* 时间线 */
.page-news .news-timeline {
  position: relative;
  padding-left: 0;
}

.page-news .timeline-rail {
  display: none;
}

.page-news .timeline-item {
  position: relative;
  margin-bottom: var(--space-5);
}

.page-news .timeline-node {
  display: flex;
  align-items: center;
  justify-content: flex-start;
  gap: 12px;
  margin-bottom: 12px;
  padding-left: 2px;
}

.page-news .node-date {
  font-size: var(--fs-small);
  font-family: var(--font-mono);
  color: var(--color-text-dim);
  background: var(--color-ink-deep);
  border: 1px solid var(--color-grid);
  padding: 5px 12px;
  white-space: nowrap;
}

.page-news .node-dot {
  width: 12px;
  height: 12px;
  background: var(--color-accent);
  border: 2px solid var(--color-ink);
  box-shadow: 0 0 0 3px rgba(198, 255, 0, 0.3);
  transform: rotate(45deg);
  flex: 0 0 auto;
}

.page-news .timeline-card {
  border: 1px solid var(--color-grid);
  border-left: 4px solid var(--color-accent-orange);
  background: var(--color-ink-deep);
  box-shadow: var(--shadow-hard);
  padding: 0;
  overflow: hidden;
}

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

.page-news .timeline-toggle {
  display: block;
  width: 100%;
  text-align: left;
  background: transparent;
  border: none;
  padding: 22px 22px 18px;
  cursor: pointer;
  font-family: var(--font-body);
  color: var(--color-text);
  transition: background 0.2s;
}

.page-news .timeline-toggle:hover {
  background: rgba(198, 255, 0, 0.035);
}

.page-news .timeline-toggle:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: -2px;
}

.page-news .timeline-meta {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 12px;
}

.page-news .timeline-format {
  font-size: var(--fs-small);
  color: var(--color-text-dim);
}

.page-news .timeline-title {
  display: block;
  font-family: var(--font-head);
  font-size: clamp(1.2rem, 2.4vw, 1.45rem);
  font-weight: 800;
  line-height: 1.25;
  margin-bottom: 8px;
  color: var(--color-text);
}

.page-news .timeline-excerpt {
  display: block;
  font-size: var(--fs-small);
  color: var(--color-text-dim);
  line-height: 1.65;
}

.page-news .timeline-detail {
  padding: 16px 22px 22px;
  border-top: 1px solid var(--color-grid);
  margin: 0;
}

.page-news .timeline-detail p {
  margin: 0 0 12px;
  color: var(--color-text-dim);
  font-size: var(--fs-small);
  line-height: 1.75;
}

.page-news .timeline-detail .btn {
  margin-top: 4px;
}

/* 分类面板 */
.page-news .report-brief-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-4);
}

.page-news .report-brief {
  padding: var(--space-4);
}

.page-news .report-brief .card-meta {
  margin-bottom: 10px;
}

.page-news .report-brief h3 {
  font-family: var(--font-head);
  font-size: 1.15rem;
  font-weight: 800;
  line-height: 1.3;
  margin: 0 0 8px;
}

.page-news .report-brief p {
  color: var(--color-text-dim);
  font-size: var(--fs-small);
  line-height: 1.65;
  margin: 0;
}

/* ---------- 数据更新记录 ---------- */
.page-news .data-update-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-5);
  align-items: start;
}

.page-news .data-chart-frame {
  position: relative;
  border: 1px solid var(--color-grid);
  background: var(--color-ink-deep);
  padding: 14px;
}

.page-news .data-chart-frame img {
  width: 100%;
  height: auto;
  object-fit: contain;
  background: var(--color-ink-deep);
}

.page-news .chart-badge {
  position: absolute;
  top: 24px;
  right: 24px;
  background: var(--color-accent);
  color: var(--color-ink);
  font-size: 1rem;
  font-weight: 700;
  padding: 6px 12px;
  box-shadow: 2px 2px 0 rgba(0, 0, 0, 0.5);
  transition: transform 0.2s;
}

.page-news .data-chart-frame:hover .chart-badge {
  transform: scale(1.06);
}

.page-news .data-update-list {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--color-grid);
  font-family: var(--font-mono);
}

.page-news .data-update-list li {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 16px 2px;
  border-bottom: 1px solid var(--color-grid);
  font-size: var(--fs-small);
  line-height: 1.55;
  color: var(--color-text);
}

.page-news .data-update-list .update-tag {
  flex: 0 0 auto;
  min-width: 60px;
  text-align: center;
  padding: 4px 6px;
}

/* ---------- 专题观察 ---------- */
.page-news .insight-features {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-4);
}

.page-news .feature-card {
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.page-news .feature-card-wide {
  border-left: 4px solid var(--color-accent-orange);
}

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

.page-news .feature-media img {
  width: 100%;
  height: auto;
  object-fit: cover;
}

.page-news .feature-body {
  padding: 24px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  align-items: flex-start;
  flex: 1;
}

.page-news .feature-body h3 {
  font-family: var(--font-head);
  font-size: 1.3rem;
  font-weight: 800;
  line-height: 1.25;
  margin: 0;
}

.page-news .feature-body p {
  color: var(--color-text-dim);
  font-size: var(--fs-small);
  line-height: 1.7;
  margin: 0;
}

.page-news .feature-link {
  display: inline-block;
  color: var(--color-accent);
  font-weight: 600;
  font-size: var(--fs-small);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  padding-bottom: 2px;
  transition: border-color 0.2s;
  margin-top: auto;
}

.page-news .feature-link:hover {
  border-bottom-color: var(--color-accent);
}

/* ---------- 相关产品展示 ---------- */
.page-news .teaser-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-4);
  border: 1px solid var(--color-grid);
  background: rgba(16, 24, 32, 0.68);
  padding: var(--space-4);
  box-shadow: var(--shadow-hard);
}

.page-news .teaser-img {
  border: 1px solid var(--color-grid);
}

.page-news .teaser-img img {
  width: 100%;
  height: auto;
  object-fit: cover;
}

.page-news .teaser-body {
  display: flex;
  flex-direction: column;
  gap: 16px;
  align-items: flex-start;
}

.page-news .teaser-body h2 {
  font-family: var(--font-head);
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  font-weight: 800;
  line-height: 1.1;
  margin: 0;
}

.page-news .teaser-body p {
  color: var(--color-text-dim);
  line-height: 1.75;
  margin: 0;
}

.page-news .teaser-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 4px;
}

/* ---------- 响应式增强 ---------- */
@media (min-width: 641px) {

  .page-news .news-section-head {
    flex-direction: row;
    align-items: flex-end;
  }

  .page-news .news-filter {
    width: auto;
  }

  .page-news .news-filter .tabs {
    min-width: auto;
  }

  .page-news .news-hero-frame {
    grid-template-columns: minmax(0, 1fr) 280px;
  }

  .page-news .news-hero-img {
    border-bottom: none;
    border-right: 1px solid var(--color-grid);
  }

  .page-news .news-hero-img img {
    height: 100%;
    min-height: 220px;
  }

  .page-news .news-timeline {
    padding-left: 200px;
  }

  .page-news .timeline-rail {
    display: block;
    position: absolute;
    left: 170px;
    top: 0;
    bottom: 0;
    width: 2px;
    background: linear-gradient(
      180deg,
      var(--color-accent-orange) 0%,
      var(--color-accent-orange) 55%,
      rgba(255, 109, 0, 0.25) 100%
    );
  }

  .page-news .timeline-node {
    position: absolute;
    left: 0;
    top: 24px;
    width: 170px;
    padding-right: 26px;
    margin-bottom: 0;
    display: block;
    text-align: right;
    box-sizing: border-box;
  }

  .page-news .node-date {
    display: inline-block;
    background: var(--color-ink-deep);
    border: 1px solid var(--color-grid);
  }

  .page-news .node-dot {
    position: absolute;
    right: -7px;
    top: 50%;
    transform: translateY(-50%) rotate(45deg);
  }

  .page-news .timeline-card {
    margin-left: 0;
  }

  .page-news .data-update-grid {
    grid-template-columns: minmax(0, 0.85fr) minmax(0, 1.15fr);
    gap: var(--space-5);
  }

  .page-news .report-brief-grid {
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  }

  .page-news .insight-features {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-news .feature-card-wide {
    grid-column: 1 / -1;
    flex-direction: row;
    border-left: 4px solid var(--color-accent-orange);
  }

  .page-news .feature-card-wide .feature-media {
    border-bottom: none;
    border-right: 1px solid var(--color-grid);
  }

  .page-news .feature-card-wide .feature-media img {
    height: 100%;
    min-height: 200px;
    object-fit: cover;
  }

  .page-news .feature-card-wide .feature-body {
    padding: 28px 32px;
  }

  .page-news .teaser-grid {
    grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
    gap: var(--space-5);
    padding: var(--space-5);
    align-items: center;
  }

  .page-news .teaser-img img {
    height: 100%;
    object-fit: cover;
  }
}

@media (min-width: 1025px) {

  .page-news .news-head-grid {
    grid-template-columns: minmax(0, 1.15fr) minmax(320px, 0.85fr);
    gap: var(--space-6);
    align-items: end;
    padding-bottom: var(--space-7);
  }

  .page-news .news-head-actions {
    gap: 14px;
  }

  .page-news .news-head-stats .stat-wrap {
    padding: 24px 16px;
  }

  .page-news .news-timeline {
    padding-left: 260px;
  }

  .page-news .timeline-rail {
    left: 230px;
  }

  .page-news .timeline-node {
    left: 0;
    width: 230px;
    padding-right: 32px;
  }

  .page-news .node-dot {
    right: -7px;
  }

  .page-news .timeline-title {
    font-size: 1.5rem;
  }

  .page-news .feature-card-wide .feature-media {
    width: 360px;
    flex: 0 0 360px;
  }

  .page-news .teaser-grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    padding: var(--space-6);
  }
}

@media (min-width: 1280px) {

  .page-news .news-hero-frame {
    grid-template-columns: minmax(0, 1fr) 300px;
  }

  .page-news .insight-features {
    gap: var(--space-5);
  }
}