.page-news {
  background: var(--c-paper);
}

/* 页面章节锚点 */
.page-news .page-news-anchors {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  margin-top: 1.5rem;
  padding-inline: 1.25rem;
}
.page-news .page-news-anchor-link {
  display: inline-flex;
  align-items: center;
  gap: 0.375rem;
  padding: 0.5rem 0.875rem;
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--c-navy);
  background: #ffffff;
  border: 1px solid rgba(11, 42, 91, 0.16);
  border-radius: 999px;
  text-decoration: none;
  transition: border-color 0.2s, color 0.2s, background 0.2s;
}
.page-news .page-news-anchor-link:hover,
.page-news .page-news-anchor-link:focus-visible {
  border-color: var(--c-green);
  color: var(--c-ink);
  background: var(--c-mist);
  outline: none;
}

/* 顶部区域 */
.page-news .page-news-masthead {
  position: relative;
  overflow: hidden;
  padding-bottom: 2.5rem;
  background: var(--c-ink);
  color: var(--c-paper);
}
.page-news .page-news-masthead::before {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  bottom: 0;
  left: 0;
  background:
    repeating-linear-gradient(90deg, rgba(245, 247, 250, 0.04) 0 1px, transparent 1px 72px),
    repeating-linear-gradient(0deg, rgba(245, 247, 250, 0.04) 0 1px, transparent 1px 72px);
  pointer-events: none;
}
.page-news .page-news-masthead::after {
  content: none;
}
.page-news .page-news-masthead-grid {
  position: relative;
  z-index: 1;
  display: grid;
  gap: 1.5rem;
}
.page-news .page-news-masthead-copy {
  padding-top: 2rem;
  color: var(--c-paper);
}
.page-news .page-news-masthead-copy .tag-chip--green {
  background: rgba(53, 224, 161, 0.16);
  border-color: rgba(53, 224, 161, 0.75);
  color: var(--c-green);
}
.page-news .page-news-masthead h1 {
  font-size: clamp(1.75rem, 5vw, 3.25rem);
  line-height: 1.2;
  margin: 0.875rem 0 0.75rem;
  max-width: 19em;
  color: var(--c-paper);
}
.page-news .page-news-lead {
  font-family: var(--font-head);
  font-size: clamp(2.5rem, 6vw, 4.75rem);
  font-weight: 900;
  letter-spacing: -0.02em;
  line-height: 1.04;
  color: var(--c-green);
  margin: 0 0 1.125rem;
}
.page-news .page-news-intro {
  max-width: 34rem;
  color: rgba(245, 247, 250, 0.78);
  font-size: 0.9375rem;
  line-height: 1.75;
  margin: 0;
}
.page-news .page-news-masthead-stats {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.75rem;
  margin-top: 1.75rem;
}
.page-news .page-news-masthead-stat {
  padding: 1rem 0.875rem;
  background: rgba(245, 247, 250, 0.07);
  border: 1px solid rgba(245, 247, 250, 0.14);
}
.page-news .page-news-masthead-stat .page-news-stat-label {
  display: block;
  font-size: 0.75rem;
  letter-spacing: 0.12em;
  color: rgba(245, 247, 250, 0.64);
  margin-bottom: 0.375rem;
}
.page-news .page-news-masthead-stat .page-news-stat-value {
  display: block;
  font-family: var(--font-mono);
  font-size: 1.875rem;
  line-height: 1;
  color: var(--c-green);
  font-variant-numeric: tabular-nums;
}
.page-news .page-news-masthead-cta {
  margin-top: 1.375rem;
}
.page-news .page-news-masthead .btn-ghost {
  border-color: rgba(245, 247, 250, 0.4);
  color: var(--c-paper);
}
.page-news .page-news-masthead .btn-ghost:hover,
.page-news .page-news-masthead .btn-ghost:focus-visible {
  border-color: var(--c-green);
  color: var(--c-green);
  background: rgba(53, 224, 161, 0.08);
  outline: none;
}
.page-news .page-news-masthead-media {
  min-width: 0;
}
.page-news .page-news-masthead-frame {
  display: block;
  border: 1px solid rgba(53, 224, 161, 0.22);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 18px), calc(100% - 18px) 100%, 0 100%);
}
.page-news .page-news-masthead-frame img,
.page-news .page-news-aside-frame img,
.page-news .page-news-series-map-frame img,
.page-news .page-news-version-frame img {
  display: block;
  max-width: 100%;
  height: auto;
}

/* 通用章节头 */
.page-news .page-news-section-head {
  display: grid;
  grid-template-columns: auto 1fr;
  align-items: start;
  gap: 0.875rem 1rem;
  margin-bottom: 2.25rem;
  padding-top: 3rem;
}
.page-news .page-news-section-index {
  font-family: var(--font-mono);
  font-size: 2rem;
  line-height: 1;
  color: var(--c-green);
  padding-top: 0.25rem;
  font-variant-numeric: tabular-nums;
}
.page-news .page-news-section-title-wrap {
  min-width: 0;
}
.page-news .page-news-section-title-wrap h2 {
  margin: 0.25rem 0 0.375rem;
}
.page-news .page-news-section-note {
  color: var(--c-hint);
  font-size: 0.875rem;
  line-height: 1.7;
  margin: 0;
}
.page-news .page-news-section-chip {
  grid-column: 1 / -1;
}
.page-news .page-news-section-chip .tag-chip--gold {
  background: rgba(242, 180, 65, 0.12);
  border-color: var(--c-gold);
  color: #8f5f00;
}

/* 最新动态时间线 */
.page-news .page-news-latest {
  padding-bottom: 1rem;
}
.page-news .page-news-latest-grid {
  display: grid;
  gap: 2.5rem;
  padding-bottom: 2rem;
}
.page-news .page-news-timeline {
  position: relative;
  display: grid;
  gap: 1.25rem;
  padding-left: 1.375rem;
}
.page-news .page-news-timeline::before {
  content: "";
  position: absolute;
  top: 0.5rem;
  bottom: 0.5rem;
  left: 0;
  width: 2px;
  background: linear-gradient(to bottom, var(--c-green) 0%, rgba(11, 42, 91, 0.2) 38%, rgba(11, 42, 91, 0.2) 100%);
}
.page-news .page-news-entry {
  position: relative;
  padding: 1.25rem;
  background: #ffffff;
  border: 1px solid rgba(13, 27, 51, 0.08);
  border-radius: 2px;
  box-shadow: 0 1px 0 rgba(10, 14, 23, 0.03);
  transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
}
.page-news .page-news-entry::before {
  content: "";
  position: absolute;
  left: calc(-1.375rem + 1px);
  top: 1.45rem;
  width: 10px;
  height: 10px;
  background: var(--c-green);
  border: 2px solid var(--c-paper);
  border-radius: 50%;
  transform: translateX(-50%);
  box-shadow: 0 0 0 1px var(--c-green);
}
.page-news .page-news-entry:hover,
.page-news .page-news-entry:focus-within {
  transform: translateY(-3px);
  border-color: rgba(53, 224, 161, 0.45);
  box-shadow: 0 10px 24px rgba(10, 14, 23, 0.08);
}
.page-news .page-news-entry-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.6rem;
  margin-bottom: 0.625rem;
}
.page-news .page-news-entry-round {
  color: #9a6a00;
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  font-weight: 700;
  font-variant-numeric: tabular-nums;
}
.page-news .page-news-entry-title {
  font-size: 1.0625rem;
  line-height: 1.45;
  margin: 0 0 0.375rem;
}
.page-news .page-news-entry-summary {
  color: var(--c-text);
  font-size: 0.9rem;
  line-height: 1.7;
  margin: 0;
}
.page-news .page-news-entry-link {
  display: inline-block;
  margin-top: 0.75rem;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--c-navy);
  text-decoration: none;
  border-bottom: 1px solid rgba(11, 42, 91, 0.25);
  transition: color 0.2s, border-color 0.2s;
}
.page-news .page-news-entry-link:hover,
.page-news .page-news-entry-link:focus-visible {
  color: #0e7a56;
  border-bottom-color: var(--c-green);
  outline: none;
}

/* 展开摘要 */
.page-news .page-news-details {
  margin-top: 0.75rem;
  border-top: 1px dashed rgba(11, 42, 91, 0.16);
  padding-top: 0.625rem;
}
.page-news .page-news-details summary {
  cursor: pointer;
  list-style: none;
  display: inline-flex;
  align-items: center;
  gap: 0.375rem;
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--c-navy);
}
.page-news .page-news-details summary::-webkit-details-marker {
  display: none;
}
.page-news .page-news-details summary::before {
  content: "＋";
  width: 1em;
  text-align: center;
  color: var(--c-green);
}
.page-news .page-news-details[open] summary::before {
  content: "－";
}
.page-news .page-news-details p {
  margin: 0.75rem 0 0;
  font-size: 0.875rem;
  color: var(--c-hint);
  line-height: 1.7;
}

/* 最新动态右侧数据卡片 */
.page-news .page-news-latest-aside {
  min-width: 0;
}
.page-news .page-news-aside-chart {
  display: grid;
  gap: 1rem;
  padding: 1rem;
  background: var(--c-mist);
  border: 1px solid rgba(53, 224, 161, 0.24);
}
.page-news .page-news-aside-frame {
  border: 1px solid rgba(11, 42, 91, 0.08);
}
.page-news .page-news-aside-caption h3 {
  font-size: 1.125rem;
  margin: 0.25rem 0 0.5rem;
}
.page-news .page-news-aside-caption p {
  color: var(--c-text);
  font-size: 0.875rem;
  line-height: 1.7;
  margin: 0 0 1rem;
}

/* 专题系列 */
.page-news .page-news-series {
  position: relative;
  padding-bottom: 2.5rem;
}
.page-news .page-news-series::before {
  content: "";
  position: absolute;
  top: 3rem;
  right: 0;
  width: 14rem;
  height: 10rem;
  background: repeating-linear-gradient(135deg, rgba(11, 42, 91, 0.05) 0 1px, transparent 1px 12px);
  pointer-events: none;
}
.page-news .page-news-series-showcase {
  display: grid;
  grid-auto-flow: column;
  grid-auto-columns: 82%;
  gap: 1rem;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  padding-bottom: 0.75rem;
}
.page-news .page-news-series-card {
  scroll-snap-align: start;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  padding: 1.5rem;
  background: #ffffff;
  border: 1px solid rgba(10, 14, 23, 0.08);
  box-shadow: 0 2px 0 rgba(10, 14, 23, 0.03);
}
.page-news .page-news-series-card:nth-child(1) {
  border-top: 3px solid var(--c-gold);
}
.page-news .page-news-series-card:nth-child(2) {
  border-top: 3px solid var(--c-green);
}
.page-news .page-news-series-card:nth-child(3) {
  border-top: 3px solid var(--c-navy);
}
.page-news .page-news-series-index {
  font-family: var(--font-mono);
  font-size: 2.5rem;
  line-height: 1;
  color: rgba(11, 42, 91, 0.14);
  margin: 0;
  font-variant-numeric: tabular-nums;
}
.page-news .page-news-series-card h3 {
  font-size: 1.25rem;
  margin: 0;
}
.page-news .page-news-series-card p {
  color: var(--c-text);
  font-size: 0.875rem;
  line-height: 1.7;
  margin: 0;
}
.page-news .page-news-series-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  list-style: none;
  margin: 0.25rem 0 0;
  padding: 0;
}
.page-news .page-news-series-map {
  display: grid;
  gap: 1.25rem;
  margin-top: 2rem;
  padding: 1.5rem;
  background: var(--c-ink);
  color: var(--c-paper);
}
.page-news .page-news-series-map-frame {
  border: 1px solid rgba(53, 224, 161, 0.22);
}
.page-news .page-news-series-meta h3 {
  font-size: 1.375rem;
  margin: 0.375rem 0 0.5rem;
}
.page-news .page-news-series-meta p {
  color: rgba(245, 247, 250, 0.76);
  font-size: 0.9rem;
  line-height: 1.7;
  margin: 0 0 1rem;
}
.page-news .page-news-series-map .btn-ghost {
  border-color: rgba(242, 180, 65, 0.7);
  color: var(--c-gold);
}
.page-news .page-news-series-map .btn-ghost:hover,
.page-news .page-news-series-map .btn-ghost:focus-visible {
  border-color: var(--c-green);
  color: var(--c-green);
  background: rgba(53, 224, 161, 0.08);
  outline: none;
}

/* 版本记录 */
.page-news .page-news-versions {
  position: relative;
  margin-top: 2.5rem;
  padding-top: 1rem;
  padding-bottom: 3.5rem;
  background: var(--c-ink);
  color: var(--c-paper);
}
.page-news .page-news-versions::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, var(--c-green), transparent 60%);
}
.page-news .page-news-versions::after {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  bottom: 0;
  left: 0;
  background:
    repeating-linear-gradient(0deg, rgba(245, 247, 250, 0.025) 0 1px, transparent 1px 48px),
    repeating-linear-gradient(90deg, rgba(245, 247, 250, 0.025) 0 1px, transparent 1px 48px);
  pointer-events: none;
}
.page-news .page-news-versions .container {
  position: relative;
  z-index: 1;
}
.page-news .page-news-versions .section-title {
  color: var(--c-paper);
}
.page-news .page-news-versions .section-kicker {
  color: var(--c-green);
}
.page-news .page-news-versions .page-news-section-note {
  color: rgba(245, 247, 250, 0.64);
}
.page-news .page-news-versions-grid {
  display: grid;
  gap: 2rem;
  align-items: center;
}
.page-news .page-news-version-list {
  display: grid;
  gap: 1.25rem;
}
.page-news .page-news-version-item {
  padding: 1.25rem 1.25rem 1.25rem 1.5rem;
  background: linear-gradient(90deg, rgba(53, 224, 161, 0.07), transparent 70%);
  border-left: 3px solid rgba(53, 224, 161, 0.5);
  border-radius: 0 4px 4px 0;
  transition: background 0.2s;
}
.page-news .page-news-version-item:hover {
  background: linear-gradient(90deg, rgba(53, 224, 161, 0.14), transparent 80%);
}
.page-news .page-news-version-head {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
  margin-bottom: 0.5rem;
}
.page-news .page-news-version-head .tag-chip--gold {
  background: rgba(242, 180, 65, 0.12);
  border-color: rgba(242, 180, 65, 0.7);
  color: var(--c-gold);
}
.page-news .page-news-version-head .tag-chip--green {
  background: rgba(53, 224, 161, 0.12);
  border-color: rgba(53, 224, 161, 0.7);
  color: var(--c-green);
}
.page-news .page-news-version-code {
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  color: rgba(245, 247, 250, 0.56);
  font-variant-numeric: tabular-nums;
  letter-spacing: 0.04em;
}
.page-news .page-news-version-item h3 {
  font-size: 1.125rem;
  margin: 0 0 0.375rem;
}
.page-news .page-news-version-item p {
  color: rgba(245, 247, 250, 0.74);
  font-size: 0.875rem;
  line-height: 1.7;
  margin: 0;
}
.page-news .page-news-version-link {
  display: inline-block;
  margin-top: 0.75rem;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--c-green);
  text-decoration: none;
  border-bottom: 1px solid rgba(53, 224, 161, 0.4);
}
.page-news .page-news-version-link:hover,
.page-news .page-news-version-link:focus-visible {
  color: var(--c-paper);
  border-bottom-color: var(--c-paper);
  outline: none;
}
.page-news .page-news-version-visual {
  position: relative;
  padding: 0.9rem;
  background: #060a12;
  border: 1px solid rgba(53, 224, 161, 0.25);
  box-shadow: 0 18px 40px rgba(0, 0, 0, 0.32);
}
.page-news .page-news-version-frame {
  border: 1px solid rgba(242, 180, 65, 0.28);
}
.page-news .page-news-version-note {
  margin-top: 0.9rem;
  padding: 0.75rem 1rem;
  background: var(--c-rock);
  border-left: 2px solid var(--c-gold);
}
.page-news .page-news-version-note .section-kicker {
  margin-bottom: 0.25rem;
}
.page-news .page-news-version-note p {
  margin: 0;
  color: rgba(245, 247, 250, 0.76);
  font-size: 0.825rem;
  line-height: 1.6;
}

/* 中等宽度：系列卡片转三列 */
@media (min-width: 720px) {
  .page-news .page-news-section-head {
    grid-template-columns: auto 1fr auto;
    align-items: end;
  }
  .page-news .page-news-section-chip {
    grid-column: auto;
  }
  .page-news .page-news-series-showcase {
    grid-auto-flow: row;
    grid-auto-columns: auto;
    grid-template-columns: repeat(3, 1fr);
    overflow: visible;
  }
  .page-news .page-news-series-map {
    grid-template-columns: 7fr 5fr;
    align-items: center;
    gap: 1.75rem;
  }
  .page-news .page-news-series-map-frame {
    order: 2;
  }
  .page-news .page-news-series-meta {
    order: 1;
    padding-left: 0.5rem;
  }
}

/* 桌面宽度：非对称网格 */
@media (min-width: 960px) {
  .page-news .page-news-masthead {
    padding-bottom: 0;
    background: linear-gradient(112deg, var(--c-ink) 0%, var(--c-ink) 54%, var(--c-paper) 54%);
  }
  .page-news .page-news-masthead::after {
    content: "";
    position: absolute;
    top: 0;
    bottom: 0;
    left: 28%;
    width: 2px;
    background: rgba(242, 180, 65, 0.16);
    transform: skewX(-14deg);
    transform-origin: top;
    pointer-events: none;
  }
  .page-news .page-news-masthead-grid {
    grid-template-columns: 5fr 7fr;
    align-items: center;
    gap: 2rem;
    min-height: 32rem;
  }
  .page-news .page-news-masthead-copy {
    padding: 4rem 0;
  }
  .page-news .page-news-masthead-media {
    padding: 2rem 0;
  }
  .page-news .page-news-latest-grid {
    grid-template-columns: 1fr 320px;
    gap: 3rem;
  }
  .page-news .page-news-latest-aside {
    position: sticky;
    top: calc(var(--header-height) + 1.5rem);
    align-self: start;
  }
  .page-news .page-news-versions-grid {
    grid-template-columns: 1fr 1fr;
    gap: 2.5rem;
  }
}