.page-news {
  display: block;
  overflow-x: hidden;
}

.page-news .section .wrap {
  min-width: 0;
}

/* ---------- 首屏 ---------- */
.page-news .news-hero {
  padding: 22px 0 6px;
}

.page-news .news-hero h1 {
  margin: 12px 0 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 34px;
  line-height: 1.14;
  letter-spacing: -0.01em;
  color: #ffffff;
}

.page-news .news-hero__lede {
  margin: 16px 0 0;
  max-width: 46ch;
  font-size: 16px;
  line-height: 1.85;
  color: var(--mist);
}

.page-news .news-hero__lede a {
  color: var(--cyan);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-news .hero-stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  margin: 24px 0 0;
  padding: 0;
  list-style: none;
}

.page-news .hero-stat {
  padding: 14px 16px;
  border: 1px solid var(--navy-line);
  border-radius: var(--radius);
  background: var(--navy-700);
}

.page-news .hero-stat b {
  display: block;
  font-family: var(--font-mono);
  font-size: 21px;
  font-weight: 500;
  letter-spacing: 0.04em;
  color: var(--cyan);
}

.page-news .hero-stat span {
  display: block;
  margin-top: 6px;
  font-size: 12px;
  line-height: 1.5;
  color: var(--mist);
}

/* ---------- 区块刊头 ---------- */
.page-news .section-head {
  max-width: 60ch;
  margin-bottom: 26px;
}

.page-news .section-head .section-title {
  margin: 8px 0 0;
}

.page-news .section-head .section-lede {
  margin: 12px 0 0;
}

.page-news .section-head .section-lede a {
  color: inherit;
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-news .section--paper .section-head .section-lede a {
  color: var(--cyan-deep);
}

/* ---------- 更新批次列表 ---------- */
.page-news .batch-list {
  display: grid;
  gap: 20px;
  margin: 26px 0 0;
  padding: 0;
  list-style: none;
}

.page-news .batch {
  overflow: hidden;
  border: 1px solid var(--paper-line);
  border-radius: var(--radius);
  background: var(--paper);
  color: var(--ink);
  box-shadow: var(--shadow-lift);
}

.page-news .batch-time {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 10px;
  margin: 0;
  padding: 16px 18px;
  border-bottom: 1px solid var(--paper-line);
  background: rgba(16, 27, 59, 0.05);
}

.page-news .batch-when {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 18px;
  letter-spacing: -0.01em;
  color: var(--ink);
}

.page-news .batch-no {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--mist-deep);
}

.page-news .batch-entries {
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-news .entry {
  padding: 15px 18px;
}

.page-news .entry + .entry {
  border-top: 1px solid var(--paper-line);
}

.page-news .entry-title {
  margin: 0;
  font-size: 15px;
  font-weight: 600;
  line-height: 1.6;
  color: var(--ink);
}

.page-news .entry-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px;
  margin: 9px 0 0;
}

.page-news .entry-note {
  margin: 9px 0 0;
  font-size: 13px;
  line-height: 1.75;
  color: var(--mist-deep);
}

.page-news .entry-meta .chip--paper {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.05em;
}

/* ---------- 状态标记 ---------- */
.page-news .status {
  display: inline-flex;
  align-items: center;
  padding: 2px 9px;
  border: 1px solid currentColor;
  border-radius: 999px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  white-space: nowrap;
}

.page-news .status--new {
  color: var(--cyan-deep);
}

.page-news .status--edit {
  color: var(--mist-deep);
}

.page-news .status--merge {
  color: var(--vermilion);
}

/* ---------- 子栏标签页 ---------- */
.page-news .subnav-layout {
  display: grid;
  gap: 24px;
}

.page-news .tablist {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--paper-line);
}

.page-news [role="tab"] {
  padding: 8px 15px;
  border: 1px solid var(--paper-line);
  border-radius: 999px;
  background: transparent;
  color: var(--mist-deep);
  font-family: inherit;
  font-size: 13px;
  line-height: 1.4;
  cursor: pointer;
  transition: background-color 0.2s ease, color 0.2s ease, border-color 0.2s ease;
}

.page-news [role="tab"]:hover {
  border-color: var(--cyan-deep);
  color: var(--cyan-deep);
}

.page-news [role="tab"][aria-selected="true"] {
  border-color: var(--navy-900);
  background: var(--navy-900);
  color: var(--paper);
}

.page-news [role="tab"]:focus-visible {
  outline: 2px solid var(--cyan-deep);
  outline-offset: 2px;
}

.page-news [role="tabpanel"] {
  padding-top: 18px;
  outline: none;
}

.page-news .panel-text {
  margin: 0;
  font-size: 15px;
  line-height: 1.85;
  color: var(--ink);
}

.page-news .panel-fit {
  margin: 12px 0 0;
  padding-left: 12px;
  border-left: 2px solid var(--cyan-deep);
  font-size: 13px;
  line-height: 1.8;
  color: var(--mist-deep);
}

.page-news .subnav-figure {
  margin: 0;
}

.page-news .subnav-figure img {
  display: block;
  width: 100%;
  height: auto;
  border: 1px solid var(--paper-line);
  border-radius: var(--radius);
}

.page-news .subnav-figure .media-caption {
  margin-top: 10px;
}

/* ---------- 产品线说明分组 ---------- */
.page-news .line-grid {
  display: grid;
  gap: 16px;
}

.page-news .line-block {
  padding: 20px;
  border: 1px solid var(--paper-line);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.42);
}

.page-news .line-name {
  margin: 0;
  padding-bottom: 12px;
  border-bottom: 1px dashed var(--paper-line);
  font-family: var(--font-serif);
  font-weight: 600;
  font-size: 16px;
  letter-spacing: 0;
  color: var(--ink);
}

.page-news .line-items {
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-news .line-item {
  padding: 13px 0;
}

.page-news .line-item + .line-item {
  border-top: 1px solid var(--paper-line);
}

.page-news .line-item__title {
  margin: 0;
  font-size: 14px;
  font-weight: 600;
  line-height: 1.6;
  color: var(--ink);
}

.page-news .line-item__meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin: 8px 0 0;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.05em;
  color: var(--mist-deep);
}

.page-news .line-item__note {
  margin: 8px 0 0;
  font-size: 13px;
  line-height: 1.72;
  color: var(--mist-deep);
}

/* ---------- 版本记录时间带 ---------- */
.page-news .vrail {
  overflow-x: auto;
  padding-bottom: 6px;
}

.page-news .vrail:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 4px;
}

.page-news .vrail-list {
  display: flex;
  gap: 16px;
  margin: 0;
  padding: 4px 4px 12px;
  list-style: none;
}

.page-news .vnode {
  position: relative;
  flex: 0 0 186px;
  padding: 34px 14px 16px;
  border: 1px solid var(--navy-line);
  border-radius: var(--radius);
  background: var(--navy-700);
}

.page-news .vnode::before {
  content: "";
  position: absolute;
  top: 17px;
  left: 14px;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--cyan);
  box-shadow: 0 0 0 4px rgba(53, 224, 214, 0.16);
}

.page-news .vnode::after {
  content: "";
  position: absolute;
  top: 21px;
  left: 32px;
  width: calc(100% - 18px);
  height: 1px;
  background: var(--navy-line);
}

.page-news .vnode:last-child::after {
  display: none;
}

.page-news .vnode-when {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--mist);
}

.page-news .vnode-line {
  margin: 8px 0 0;
  font-size: 14px;
  font-weight: 600;
  color: var(--on-dark);
}

.page-news .vnode-ver {
  margin: 10px 0 0;
  font-family: var(--font-mono);
  font-size: 22px;
  letter-spacing: 0.02em;
  color: var(--cyan);
}

.page-news .vnode-kind {
  margin: 6px 0 0;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  color: var(--mist);
}

.page-news .vrail-note {
  margin: 16px 0 0;
  max-width: 62ch;
  font-size: 13px;
  line-height: 1.8;
  color: var(--mist);
}

.page-news .vrail-note a {
  color: var(--cyan);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* ---------- 分类标签记录 ---------- */
.page-news .tag-list {
  display: grid;
  gap: 12px;
  margin: 26px 0 0;
  padding: 0;
  list-style: none;
}

.page-news .tag-row {
  border: 1px solid var(--paper-line);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.42);
  color: var(--ink);
}

.page-news .tag-row > summary {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 6px 16px;
  padding: 14px 16px;
  cursor: pointer;
  list-style: none;
}

.page-news .tag-row > summary::-webkit-details-marker {
  display: none;
}

.page-news .tag-row > summary::after {
  content: "展开";
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  color: var(--mist-deep);
}

.page-news .tag-row[open] > summary::after {
  content: "收起";
}

.page-news .tag-row[open] > summary {
  border-bottom: 1px dashed var(--paper-line);
}

.page-news .tag-row > summary:focus-visible {
  outline: 2px solid var(--cyan-deep);
  outline-offset: -2px;
}

.page-news .tag-name {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 15px;
  letter-spacing: -0.01em;
  color: var(--ink);
}

.page-news .tag-meta {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.05em;
  color: var(--mist-deep);
}

.page-news .track {
  display: flex;
  gap: 0;
  margin: 0;
  padding: 4px;
  list-style: none;
  overflow-x: auto;
}

.page-news .track-seg {
  position: relative;
  flex: 0 0 84px;
  padding-top: 30px;
  text-align: center;
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.03em;
  color: var(--mist-deep);
}

.page-news .track-seg b {
  display: block;
  font-weight: 500;
  color: var(--mist-deep);
}

.page-news .track-seg span {
  display: block;
  margin-top: 3px;
  font-size: 11px;
  color: var(--ink);
}

.page-news .track-seg::before {
  content: "";
  position: absolute;
  top: 11px;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--paper-line);
}

.page-news .track-seg::after {
  content: "";
  position: absolute;
  top: 7px;
  left: 50%;
  width: 10px;
  height: 10px;
  margin-left: -5px;
  border: 2px solid var(--paper-line);
  border-radius: 50%;
  background: var(--paper);
}

.page-news .track-seg--new::after {
  border-color: var(--cyan-deep);
  background: var(--cyan-deep);
}

.page-news .track-seg--merge::after {
  border-color: var(--orange);
  background: var(--orange);
}

.page-news .track-seg--stop::after {
  border-color: var(--vermilion);
  background: var(--paper);
}

/* ---------- 专题系列横滑带 ---------- */
.page-news .topic-rail {
  display: flex;
  gap: 16px;
  margin: 0;
  padding: 4px 4px 18px;
  list-style: none;
  overflow-x: auto;
  scroll-snap-type: x proximity;
}

.page-news .topic-card {
  display: flex;
  flex-direction: column;
  flex: 0 0 250px;
  padding: 18px;
  border: 1px solid var(--navy-line);
  border-radius: var(--radius);
  background: var(--navy-700);
  scroll-snap-align: start;
}

.page-news .topic-card--feature {
  flex: 0 0 300px;
}

.page-news .topic-figure {
  margin: 0 0 14px;
}

.page-news .topic-figure img {
  display: block;
  width: 100%;
  height: auto;
  border: 1px solid var(--navy-line);
  border-radius: calc(var(--radius) - 4px);
}

.page-news .topic-name {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 17px;
  letter-spacing: -0.01em;
  color: var(--on-dark);
}

.page-news .topic-meta {
  margin: 8px 0 0;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  color: var(--cyan);
}

.page-news .topic-note {
  margin: 12px 0 0;
  font-size: 13px;
  line-height: 1.78;
  color: var(--mist);
}

/* ---------- 订阅 ---------- */
.page-news .subscribe {
  display: grid;
  gap: 26px;
  padding: 26px 22px;
  border: 1px solid var(--navy-line);
  border-radius: var(--radius);
  background: var(--navy-950);
}

.page-news .subscribe-text p {
  margin: 12px 0 0;
  max-width: 48ch;
  font-size: 15px;
  line-height: 1.85;
  color: var(--mist);
}

.page-news .subscribe-actions {
  display: grid;
  gap: 14px;
  align-content: start;
}

.page-news .copy-line {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  margin: 0;
}

.page-news .copy-label {
  min-width: 62px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--mist);
}

.page-news .subscribe-note {
  margin: 4px 0 0;
  font-size: 13px;
  line-height: 1.8;
  color: var(--mist);
}

.page-news .subscribe-note a {
  color: var(--cyan);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .page-news .news-hero h1 {
    font-size: 42px;
  }

  .page-news .hero-stats {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-news .batch {
    display: grid;
    grid-template-columns: 150px minmax(0, 1fr);
  }

  .page-news .batch-time {
    flex-direction: column;
    gap: 8px;
    align-items: flex-start;
    border-bottom: 0;
    border-right: 1px solid var(--paper-line);
  }

  .page-news .batch-entries > .entry:first-child {
    border-top: 0;
  }

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

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

  .page-news .subscribe {
    padding: 30px 28px;
  }
}

@media (min-width: 900px) {
  .page-news .subnav-layout {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
    align-items: start;
    gap: 32px;
  }

  .page-news .line-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-news .subscribe {
    grid-template-columns: minmax(0, 1.3fr) minmax(0, 1fr);
    gap: 40px;
    align-items: start;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-news [role="tab"],
  .page-news .tag-row > summary {
    transition: none;
  }
}
<<<END>>>