.page-news {
  --news-index-w: 224px;
  --news-line-paper: rgba(36, 27, 23, 0.16);
  --news-text-soft: rgba(36, 27, 23, 0.76);
  background: var(--paper);
  color: var(--brown);
  font-family: var(--font-body);
  line-height: 1.75;
}

.page-news .news-masthead {
  position: relative;
  overflow: hidden;
  padding: 22px 0 42px;
  color: var(--mist);
  border-bottom: 1px solid var(--line);
  background:
    radial-gradient(140% 120% at 88% -12%, rgba(60, 224, 207, 0.18), rgba(60, 224, 207, 0) 56%),
    linear-gradient(168deg, var(--ink) 0%, var(--hull) 100%);
}

.page-news .news-masthead::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  opacity: 0.55;
  background-image:
    linear-gradient(rgba(124, 143, 163, 0.1) 1px, transparent 1px),
    linear-gradient(90deg, rgba(124, 143, 163, 0.1) 1px, transparent 1px);
  background-size: 48px 48px;
}

.page-news .news-masthead > .container {
  position: relative;
  z-index: 1;
}

.page-news .news-breadcrumb {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
  font-size: 13px;
  color: var(--slate);
}

.page-news .news-breadcrumb a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color var(--dur) var(--ease);
}

.page-news .news-breadcrumb a:hover,
.page-news .news-breadcrumb a:focus-visible {
  border-bottom-color: var(--cyan);
}

.page-news .news-kicker {
  margin: 20px 0 0;
  font-family: var(--font-num);
  font-size: 11.5px;
  font-weight: 700;
  letter-spacing: 0.18em;
  color: var(--orange);
}

.page-news .news-masthead h1 {
  margin: 10px 0 16px;
  max-width: 17em;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(30px, 6.4vw, 58px);
  line-height: 1.14;
  letter-spacing: -0.02em;
}

.page-news .news-lede {
  margin: 0;
  max-width: 62ch;
  font-size: clamp(14.5px, 1.6vw, 17px);
  line-height: 1.8;
  color: rgba(247, 250, 252, 0.8);
}

.page-news .news-metrics {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px 14px;
  margin: 28px 0 0;
  padding: 20px 0 0;
  list-style: none;
  border-top: 1px solid var(--line);
}

.page-news .news-metric {
  display: flex;
  flex-direction: column;
  gap: 2px;
  min-width: 0;
}

.page-news .news-metric b {
  font-family: var(--font-num);
  font-weight: 700;
  font-size: clamp(22px, 3vw, 30px);
  line-height: 1.1;
  color: var(--cyan);
  font-variant-numeric: tabular-nums;
}

.page-news .news-metric span {
  font-size: 12.5px;
  letter-spacing: 0.04em;
  color: var(--slate);
}

.page-news .news-body {
  padding: 34px 0 56px;
}

.page-news .news-layout {
  display: block;
}

.page-news .news-stream {
  min-width: 0;
}

/* 索引条 */
.page-news .news-index {
  margin-bottom: 28px;
}

.page-news .index-block + .index-block {
  margin-top: 16px;
}

.page-news .index-title {
  margin: 0 0 9px;
  font-family: var(--font-display);
  font-size: 11.5px;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--slate);
}

.page-news .index-months,
.page-news .index-cats {
  display: flex;
  gap: 8px;
  overflow-x: auto;
  margin: 0;
  padding: 0 0 6px;
  list-style: none;
  scrollbar-width: thin;
}

.page-news .index-months li,
.page-news .index-cats li {
  flex: 0 0 auto;
}

.page-news .index-months a,
.page-news .index-cats a {
  display: block;
  padding: 7px 14px;
  font-size: 13.5px;
  line-height: 1.4;
  white-space: nowrap;
  text-decoration: none;
  color: var(--brown);
  border: 1px solid var(--news-line-paper);
  border-radius: 999px;
  transition:
    color var(--dur) var(--ease),
    border-color var(--dur) var(--ease),
    background-color var(--dur) var(--ease);
}

.page-news .index-months a:hover,
.page-news .index-months a:focus-visible,
.page-news .index-cats a:hover,
.page-news .index-cats a:focus-visible {
  color: var(--ink);
  border-color: var(--cyan);
  background: rgba(60, 224, 207, 0.14);
}

/* 章节通用 */
.page-news .stream-section {
  margin-bottom: 52px;
}

.page-news .stream-section:last-child {
  margin-bottom: 0;
}

.page-news .sec-head {
  margin-bottom: 18px;
  padding-bottom: 10px;
  border-bottom: 2px solid var(--brown);
}

.page-news .sec-kicker {
  display: block;
  font-family: var(--font-num);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.16em;
  color: var(--orange);
}

.page-news .sec-head h2 {
  margin: 5px 0 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(22px, 3.4vw, 30px);
  line-height: 1.22;
  letter-spacing: -0.015em;
  color: var(--brown);
}

.page-news .stream-lede {
  margin: 0 0 20px;
  max-width: 64ch;
  font-size: 15px;
  line-height: 1.8;
  color: var(--news-text-soft);
}

.page-news .stream-tail,
.page-news .stream-foot {
  margin: 22px 0 0;
  max-width: 64ch;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--news-text-soft);
}

.page-news .stream-foot {
  margin-top: 28px;
  padding-top: 18px;
  border-top: 2px solid var(--brown);
}

.page-news .stream-tail a,
.page-news .stream-foot a {
  color: var(--ink);
  text-decoration: underline;
  text-decoration-color: var(--orange);
  text-decoration-thickness: 2px;
  text-underline-offset: 3px;
  transition: color var(--dur) var(--ease);
}

.page-news .stream-tail a:hover,
.page-news .stream-tail a:focus-visible,
.page-news .stream-foot a:hover,
.page-news .stream-foot a:focus-visible {
  color: var(--orange);
}

/* 动态列表 */
.page-news .news-list {
  border-top: 1px solid var(--news-line-paper);
}

.page-news .news-item {
  padding: 18px 0 20px;
  border-bottom: 1px solid var(--news-line-paper);
  transition: background-color var(--dur) var(--ease);
}

.page-news .news-item:hover {
  background: rgba(60, 224, 207, 0.07);
}

.page-news .news-item-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  margin-bottom: 8px;
}

.page-news .news-tag {
  display: inline-flex;
  align-items: center;
  padding: 3px 9px;
  border-radius: var(--radius);
  font-size: 11.5px;
  font-weight: 700;
  letter-spacing: 0.06em;
  line-height: 1.5;
  color: var(--brown);
  background: rgba(124, 143, 163, 0.24);
}

.page-news .news-tag--transfer {
  background: var(--orange);
  color: #1a120c;
}

.page-news .news-tag--data {
  background: var(--cyan);
  color: var(--hull);
}

.page-news .news-tag--release {
  background: var(--brown);
  color: var(--paper);
}

.page-news .news-tag--help {
  background: var(--mint);
  color: var(--hull);
}

.page-news .news-tag--legacy {
  background: var(--slate);
  color: var(--mist);
}

.page-news .news-time {
  font-family: var(--font-num);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.05em;
  color: var(--slate);
}

.page-news .news-item h3 {
  margin: 0 0 7px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(17px, 2.2vw, 21px);
  line-height: 1.35;
  letter-spacing: -0.01em;
  color: var(--brown);
}

.page-news .news-item > p {
  margin: 0;
  max-width: 62ch;
  font-size: 14.5px;
  line-height: 1.78;
  color: var(--news-text-soft);
}

.page-news .news-more {
  margin-top: 12px;
  border-top: 1px dashed var(--news-line-paper);
}

.page-news .news-more summary {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding-top: 9px;
  font-size: 13px;
  font-weight: 600;
  color: var(--ink);
  cursor: pointer;
  list-style: none;
}

.page-news .news-more summary::-webkit-details-marker {
  display: none;
}

.page-news .news-more summary::before {
  content: "+";
  font-family: var(--font-num);
  font-weight: 700;
  color: var(--orange);
}

.page-news .news-more[open] summary::before {
  content: "–";
}

.page-news .news-more p {
  margin: 8px 0 0;
  max-width: 62ch;
  font-size: 13.8px;
  line-height: 1.78;
  color: var(--news-text-soft);
}

/* 时间轴 */
.page-news .timeline {
  position: relative;
  margin: 26px 0 0;
  padding-left: 28px;
}

.page-news .timeline::before {
  content: "";
  position: absolute;
  left: 9px;
  top: 8px;
  bottom: 8px;
  width: 2px;
  border-radius: 2px;
  background: linear-gradient(180deg, var(--cyan) 0%, rgba(60, 224, 207, 0.14) 100%);
}

.page-news .tl-node {
  position: relative;
  padding-bottom: 26px;
}

.page-news .tl-node:last-child {
  padding-bottom: 0;
}

.page-news .tl-node::before {
  content: "";
  position: absolute;
  left: -23px;
  top: 7px;
  width: 11px;
  height: 11px;
  border-radius: 50%;
  background: var(--paper);
  border: 2px solid var(--orange);
  box-shadow: 0 0 0 3px rgba(255, 122, 24, 0.14);
}

.page-news .tl-when {
  margin: 0;
  font-family: var(--font-num);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--ink);
}

.page-news .tl-node h3 {
  margin: 5px 0 6px;
  font-family: var(--font-display);
  font-size: 17px;
  font-weight: 700;
  line-height: 1.4;
  color: var(--brown);
}

.page-news .tl-node p {
  margin: 0;
  max-width: 60ch;
  font-size: 14px;
  line-height: 1.78;
  color: var(--news-text-soft);
}

/* 分布卡片 */
.page-news .dist-grid {
  display: grid;
  gap: 12px;
  margin-top: 26px;
}

.page-news .dist-card {
  padding: 16px;
  border: 1px solid var(--news-line-paper);
  border-radius: var(--radius);
  background: rgba(26, 48, 68, 0.07);
}

.page-news .dist-card h3 {
  margin: 0 0 12px;
  font-family: var(--font-display);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--ink);
}

.page-news .dist-row {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 9px;
  font-size: 13px;
}

.page-news .dist-row:last-child {
  margin-bottom: 0;
}

.page-news .dist-label {
  flex: 0 0 62px;
  color: var(--news-text-soft);
}

.page-news .dist-bar {
  flex: 1 1 auto;
  height: 8px;
  overflow: hidden;
  border-radius: 999px;
  background: rgba(26, 48, 68, 0.14);
}

.page-news .dist-bar i {
  display: block;
  height: 100%;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--cyan), var(--mint));
}

.page-news .dist-val {
  flex: 0 0 auto;
  font-family: var(--font-num);
  font-size: 13px;
  font-weight: 700;
  color: var(--ink);
  font-variant-numeric: tabular-nums;
}

/* 数据观察 */
.page-news .observe-panel {
  margin-top: 4px;
  padding: 20px 16px 16px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  color: var(--mist);
  background:
    radial-gradient(120% 130% at 100% 0%, rgba(60, 224, 207, 0.16), rgba(60, 224, 207, 0) 62%),
    linear-gradient(165deg, var(--ink), var(--hull));
}

.page-news .trend-svg {
  display: block;
  width: 100%;
  height: auto;
}

.page-news .trend-grid line {
  stroke: rgba(124, 143, 163, 0.24);
  stroke-width: 1;
}

.page-news .trend-line {
  fill: none;
  stroke: var(--cyan);
  stroke-width: 2.6;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.page-news .trend-line--alt {
  stroke: var(--orange);
  stroke-width: 2;
  stroke-dasharray: 6 6;
}

.page-news .trend-legend {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 16px;
  margin-top: 14px;
  font-size: 12.5px;
  color: var(--slate);
}

.page-news .trend-legend span {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.page-news .legend-swatch {
  display: inline-block;
  width: 16px;
  height: 3px;
  border-radius: 2px;
  background: var(--cyan);
}

.page-news .legend-swatch--alt {
  background: var(--orange);
}

.page-news .observe-list {
  display: grid;
  gap: 16px;
  margin: 22px 0 0;
  padding: 0;
  list-style: none;
}

.page-news .observe-item {
  padding-left: 14px;
  border-left: 2px solid var(--news-line-paper);
  transition: border-color var(--dur) var(--ease);
}

.page-news .observe-item:hover {
  border-left-color: var(--cyan);
}

.page-news .observe-item h3 {
  margin: 0 0 4px;
  font-family: var(--font-display);
  font-size: 16px;
  font-weight: 700;
  line-height: 1.4;
  color: var(--brown);
}

.page-news .observe-item p {
  margin: 0;
  max-width: 62ch;
  font-size: 13.8px;
  line-height: 1.78;
  color: var(--news-text-soft);
}

.page-news .observe-item .news-time {
  display: block;
  margin-top: 7px;
}

/* 版本记录 */
.page-news .release-list {
  margin: 22px 0 0;
  padding: 0;
  list-style: none;
}

.page-news .release-row {
  display: grid;
  grid-template-columns: 70px minmax(0, 1fr);
  gap: 14px;
  padding: 15px 0;
  border-bottom: 1px solid var(--news-line-paper);
}

.page-news .release-row:first-child {
  border-top: 1px solid var(--news-line-paper);
}

.page-news .release-row.is-current {
  border-left: 3px solid var(--orange);
  padding-left: 12px;
  background: rgba(255, 122, 24, 0.06);
}

.page-news .release-ver {
  font-family: var(--font-num);
  font-size: 13.5px;
  font-weight: 700;
  color: var(--ink);
  font-variant-numeric: tabular-nums;
}

.page-news .release-ver em {
  display: block;
  margin-top: 2px;
  font-family: var(--font-num);
  font-style: normal;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.06em;
  color: var(--slate);
}

.page-news .release-body {
  min-width: 0;
}

.page-news .release-body h3 {
  margin: 0 0 4px;
  font-family: var(--font-display);
  font-size: 16px;
  font-weight: 700;
  line-height: 1.4;
  color: var(--brown);
}

.page-news .release-body p {
  margin: 0;
  max-width: 60ch;
  font-size: 13.8px;
  line-height: 1.78;
  color: var(--news-text-soft);
}

/* 旧版资料 */
.page-news .legacy-card {
  padding: 18px;
  border: 1px dashed rgba(36, 27, 23, 0.32);
  border-radius: var(--radius);
  background: rgba(247, 250, 252, 0.55);
}

.page-news .legacy-note {
  margin: 0;
  max-width: 62ch;
  font-size: 14px;
  line-height: 1.78;
  color: var(--news-text-soft);
}

.page-news .legacy-years {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 14px 0 0;
  padding: 0;
  list-style: none;
}

.page-news .legacy-years li {
  padding: 6px 13px;
  border: 1px solid var(--news-line-paper);
  border-radius: 999px;
  font-family: var(--font-num);
  font-size: 12.5px;
  font-weight: 700;
  color: var(--ink);
}

/* 栏目分流 */
.page-news .topic-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
}

.page-news .topic-card {
  display: block;
  padding: 16px;
  text-decoration: none;
  color: inherit;
  border: 1px solid var(--news-line-paper);
  border-radius: var(--radius);
  background: rgba(247, 250, 252, 0.7);
  transition:
    border-color var(--dur) var(--ease),
    transform var(--dur) var(--ease),
    box-shadow var(--dur) var(--ease);
}

.page-news .topic-card:hover,
.page-news .topic-card:focus-visible {
  border-color: var(--cyan);
  transform: translateY(-2px);
  box-shadow: 0 10px 24px rgba(6, 17, 28, 0.12);
}

.page-news .topic-card h3 {
  margin: 10px 0 5px;
  font-family: var(--font-display);
  font-size: 16px;
  font-weight: 700;
  line-height: 1.4;
  color: var(--brown);
}

.page-news .topic-card p {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.72;
  color: var(--news-text-soft);
}

/* 图片容器 */
.page-news .figure {
  margin: 22px 0 0;
}

.page-news .figure img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  border-radius: var(--radius);
}

.page-news .figure-caption {
  margin: 8px 0 0;
  font-size: 12.5px;
  line-height: 1.6;
  color: var(--slate);
}

/* 平板与桌面 */
@media (min-width: 640px) {
  .page-news .news-metrics {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

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

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

  .page-news .news-item {
    padding: 20px 0 22px;
  }
}

@media (min-width: 900px) {
  .page-news .news-masthead {
    padding: 28px 0 52px;
  }

  .page-news .news-body {
    padding: 44px 0 72px;
  }

  .page-news .news-layout {
    display: grid;
    grid-template-columns: var(--news-index-w) minmax(0, 1fr);
    gap: 44px;
    align-items: start;
  }

  .page-news .news-index {
    position: sticky;
    top: 24px;
    margin-bottom: 0;
    padding-left: 18px;
    border-left: 1px solid var(--news-line-paper);
  }

  .page-news .index-months,
  .page-news .index-cats {
    display: block;
    overflow: visible;
    padding-bottom: 0;
  }

  .page-news .index-months li,
  .page-news .index-cats li {
    margin-bottom: 4px;
  }

  .page-news .index-months a,
  .page-news .index-cats a {
    padding: 7px 10px;
    border: 1px solid transparent;
    border-left: 2px solid transparent;
    border-radius: 0 var(--radius) var(--radius) 0;
    white-space: normal;
  }

  .page-news .index-months a:hover,
  .page-news .index-months a:focus-visible,
  .page-news .index-cats a:hover,
  .page-news .index-cats a:focus-visible {
    border-color: transparent;
    border-left-color: var(--cyan);
    background: rgba(60, 224, 207, 0.12);
  }

  .page-news .stream-section {
    margin-bottom: 64px;
  }
}

@media (min-width: 1024px) {
  .page-news .topic-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-news .news-item {
    padding: 22px 0 24px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-news .news-item,
  .page-news .topic-card,
  .page-news .observe-item,
  .page-news .index-months a,
  .page-news .index-cats a,
  .page-news .stream-tail a,
  .page-news .stream-foot a {
    transition: none;
  }

  .page-news .topic-card:hover,
  .page-news .topic-card:focus-visible {
    transform: none;
  }
}
<<<END>>>