.page-news {
  --news-side-w: 200px;
  --news-sum-w: 264px;
  padding-bottom: clamp(32px, 5vw, 56px);
}

.page-news .breadcrumb {
  padding-top: 16px;
}

/* 首屏 */
.page-news .news-hero {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(20px, 3vw, 36px);
  align-items: center;
  padding-top: clamp(20px, 3vw, 36px);
  padding-bottom: clamp(26px, 4vw, 48px);
}

.page-news .news-hero-copy {
  position: relative;
  padding-left: clamp(14px, 2vw, 22px);
  border-left: 1px solid var(--line-strong);
}

.page-news .news-hero-copy .eyebrow {
  color: var(--mint);
}

.page-news .news-hero h1 {
  margin: 10px 0 0;
  font-size: clamp(30px, 5vw, 54px);
  line-height: 1.14;
  letter-spacing: -0.02em;
  font-weight: 800;
  color: var(--text);
}

.page-news .news-accent {
  color: var(--mint);
}

.page-news .news-lede {
  margin: 16px 0 0;
  max-width: 58ch;
  font-size: clamp(15px, 1.6vw, 17px);
  line-height: 1.85;
  color: var(--text-soft);
}

.page-news .news-hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 22px;
}

.page-news .news-hero-stats {
  list-style: none;
  margin: 26px 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  overflow: hidden;
}

.page-news .news-hero-stats li {
  display: flex;
  flex-direction: column;
  gap: 5px;
  padding: 13px 12px;
  background: var(--panel);
}

.page-news .news-stat-num {
  font-size: clamp(19px, 2.4vw, 25px);
  font-weight: 600;
  line-height: 1.1;
  color: var(--mint);
  letter-spacing: 0.01em;
}

.page-news .news-stat-label {
  font-size: 12px;
  line-height: 1.5;
  color: var(--text-muted);
  letter-spacing: 0.03em;
}

.page-news .news-hero-figure {
  margin: 0;
  overflow: hidden;
  border-radius: var(--radius);
  border: 1px solid var(--line);
}

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

/* 三栏骨架 */
.page-news .news-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  grid-template-areas:
    "index"
    "main"
    "summary";
  gap: clamp(18px, 2.4vw, 28px);
}

.page-news .news-index {
  grid-area: index;
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.page-news .news-main {
  grid-area: main;
  display: flex;
  flex-direction: column;
  gap: 18px;
  min-width: 0;
}

.page-news .news-summary {
  grid-area: summary;
  min-width: 0;
}

/* 侧栏目录 */
.page-news .news-toc {
  flex: 1 1 260px;
  min-width: 0;
  padding: 14px 12px 10px;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
}

.page-news .news-toc .toc-title {
  margin: 0 0 8px;
  padding-left: 12px;
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--text-muted);
}

.page-news .news-toc .toc-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.page-news .news-toc .toc-list a {
  display: block;
  padding: 7px 10px 7px 12px;
  border-left: 1px solid transparent;
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  font-size: 13.5px;
  line-height: 1.5;
  color: var(--text-soft);
  text-decoration: none;
  transition: color 0.18s ease, background-color 0.18s ease, border-color 0.18s ease;
}

.page-news .news-toc .toc-list a:hover {
  color: var(--mint-bright);
  background: var(--panel-raised);
}

.page-news .news-toc .toc-list a.is-active {
  color: var(--mint);
  border-left-color: var(--mint);
  background: rgba(53, 242, 196, 0.07);
}

/* 面板内通用 */
.page-news .news-intro {
  margin: 0;
  font-size: 15px;
  line-height: 1.85;
  color: var(--text-soft);
}

.page-news .news-figure {
  margin: 22px 0 0;
  overflow: hidden;
  border-radius: var(--radius);
  border: 1px solid var(--line);
}

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

/* 公告条目 */
.page-news .news-list {
  list-style: none;
  margin: 16px 0 0;
  padding: 0;
}

.page-news .news-item {
  position: relative;
  padding: 18px 0 18px 22px;
  border-top: 1px solid var(--line);
}

.page-news .news-item:first-child {
  border-top: 0;
  padding-top: 14px;
}

.page-news .news-item::before {
  content: "";
  position: absolute;
  left: 0;
  top: 22px;
  bottom: 22px;
  width: 2px;
  border-radius: 2px;
  background: var(--line);
  transition: background-color 0.2s ease;
}

.page-news .news-item:first-child::before {
  background: var(--amber);
}

.page-news .news-item:hover::before {
  background: var(--mint);
}

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

.page-news .news-item-code {
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--amber-soft);
}

.page-news .news-item-when {
  font-size: 11.5px;
  letter-spacing: 0.04em;
  color: var(--text-muted);
}

.page-news .news-item-title {
  margin: 0;
  font-size: clamp(16px, 1.9vw, 19px);
  line-height: 1.5;
  font-weight: 600;
  color: var(--text);
  transition: color 0.2s ease;
}

.page-news .news-item:hover .news-item-title {
  color: var(--mint-bright);
}

.page-news .news-item-desc {
  margin: 8px 0 0;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--text-muted);
}

.page-news .news-item-more {
  margin-top: 10px;
}

.page-news .news-item-more summary {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 2px 0;
  cursor: pointer;
  list-style: none;
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: 0.03em;
  color: var(--mint);
}

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

.page-news .news-item-more summary::before {
  content: "+";
  font-size: 14px;
  line-height: 1;
  color: var(--mint-bright);
}

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

.page-news .news-item-more ul {
  margin: 8px 0 0;
  padding: 12px 14px 12px 28px;
  list-style: square;
  background: var(--panel-raised);
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  font-size: 13.5px;
  line-height: 1.8;
  color: var(--text-soft);
}

.page-news .news-item-more li + li {
  margin-top: 6px;
}

.page-news .news-copy {
  margin-top: 10px;
  padding: 5px 14px;
  background: transparent;
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.05em;
  color: var(--text-muted);
  cursor: pointer;
  transition: color 0.18s ease, border-color 0.18s ease;
}

.page-news .news-copy:hover,
.page-news .news-copy:focus-visible {
  color: var(--amber);
  border-color: var(--amber);
}

/* 分类索引 */
.page-news .news-cats {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1px;
  margin-top: 18px;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
}

.page-news .news-cat {
  padding: 18px 16px;
  background: var(--panel);
  transition: background-color 0.2s ease;
}

.page-news .news-cat:hover {
  background: var(--panel-raised);
}

.page-news .news-cat-no {
  margin: 0;
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--amber);
}

.page-news .news-cat-title {
  margin: 8px 0 0;
  font-size: 18px;
  line-height: 1.4;
  font-weight: 700;
  color: var(--text);
}

.page-news .news-cat-desc {
  margin: 8px 0 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--text-soft);
}

.page-news .news-cat-who {
  margin: 10px 0 0;
  padding-top: 10px;
  border-top: 1px dashed var(--line);
  font-size: 12.5px;
  line-height: 1.7;
  color: var(--text-muted);
}

/* 时间线 */
.page-news .news-timeline {
  list-style: none;
  position: relative;
  margin: 20px 0 0;
  padding: 0 0 0 26px;
}

.page-news .news-timeline::before {
  content: "";
  position: absolute;
  left: 6px;
  top: 8px;
  bottom: 8px;
  width: 1px;
  background: linear-gradient(180deg, var(--amber) 0%, var(--line) 45%, var(--line) 100%);
}

.page-news .news-timeline li {
  position: relative;
  padding-bottom: 20px;
}

.page-news .news-timeline li:last-child {
  padding-bottom: 0;
}

.page-news .news-timeline li::before {
  content: "";
  position: absolute;
  left: -25px;
  top: 7px;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--panel);
  border: 1px solid var(--line-strong);
}

.page-news .news-timeline li.is-current::before {
  background: var(--amber);
  border-color: var(--amber-soft);
  box-shadow: 0 0 0 4px rgba(255, 177, 59, 0.14);
}

.page-news .news-tl-ver {
  margin: 0;
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 0.04em;
  color: var(--amber-soft);
}

.page-news .news-timeline li.is-current .news-tl-ver {
  color: var(--mint);
}

.page-news .news-tl-desc {
  margin: 6px 0 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--text-soft);
}

/* 查询路径 */
.page-news .news-steps {
  list-style: none;
  margin: 18px 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 12px;
}

.page-news .news-step {
  padding: 16px 16px 18px;
  background: var(--panel-raised);
  border: 1px solid var(--line);
  border-left: 2px solid var(--mint);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
}

.page-news .news-step-no {
  display: block;
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--mint);
}

.page-news .news-step-title {
  margin: 7px 0 0;
  font-size: 17px;
  line-height: 1.45;
  font-weight: 600;
  color: var(--text);
}

.page-news .news-step p {
  margin: 7px 0 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--text-muted);
}

.page-news .news-jump {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 20px;
}

/* 阅读字段 */
.page-news .news-fields {
  margin-top: 16px;
}

.page-news .news-field {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 6px;
  padding: 16px 0;
  border-top: 1px solid var(--line);
}

.page-news .news-field:first-child {
  border-top: 0;
}

.page-news .news-field-key {
  font-size: 12.5px;
  letter-spacing: 0.08em;
  color: var(--mint);
}

.page-news .news-field h3 {
  margin: 0;
  font-size: 16.5px;
  line-height: 1.5;
  font-weight: 600;
  color: var(--text);
}

.page-news .news-field p {
  margin: 7px 0 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--text-muted);
}

/* 当前版本摘要卡 */
.page-news .news-summary-card {
  padding: 18px 16px 16px;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius);
  background:
    radial-gradient(120% 90% at 100% 0%, rgba(255, 177, 59, 0.13), transparent 62%),
    var(--panel-raised);
}

.page-news .news-summary-label {
  margin: 0;
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--amber);
}

.page-news .news-summary-ver {
  margin: 6px 0 2px;
  font-size: clamp(28px, 4vw, 34px);
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -0.01em;
  color: var(--amber-soft);
}

.page-news .news-summary-sub {
  margin: 0;
  font-size: 12.5px;
  line-height: 1.6;
  color: var(--text-muted);
}

.page-news .news-summary-facts {
  list-style: none;
  margin: 14px 0 0;
  padding: 12px 0 0;
  border-top: 1px solid var(--line);
}

.page-news .news-summary-facts li {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 10px;
  padding: 6px 0;
  font-size: 13px;
  color: var(--text-muted);
}

.page-news .news-summary-facts li .mono {
  color: var(--text);
  font-size: 12.5px;
  letter-spacing: 0.03em;
  white-space: nowrap;
}

.page-news .news-summary-actions {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-top: 16px;
}

.page-news .news-summary-actions .btn {
  justify-content: center;
  text-align: center;
}

.page-news .news-summary-note {
  margin: 14px 0 0;
  padding-top: 12px;
  border-top: 1px dashed var(--line);
  font-size: 12px;
  line-height: 1.7;
  color: var(--text-muted);
}

/* 响应式 */
@media (min-width: 640px) {
  .page-news .news-cats {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

  .page-news .news-field {
    grid-template-columns: 108px minmax(0, 1fr);
    gap: 4px 16px;
    align-items: start;
  }

  .page-news .news-field-key {
    padding-top: 3px;
  }
}

@media (min-width: 900px) {
  .page-news .news-hero {
    grid-template-columns: minmax(0, 1.02fr) minmax(0, 1fr);
    align-items: center;
  }
}

@media (min-width: 1100px) {
  .page-news .news-layout {
    grid-template-columns: var(--news-side-w) minmax(0, 1fr) var(--news-sum-w);
    grid-template-areas: "index main summary";
    align-items: start;
  }

  .page-news .news-index {
    display: block;
    position: sticky;
    top: calc(var(--header-h) + 18px);
    align-self: start;
  }

  .page-news .news-toc {
    margin-bottom: 12px;
  }

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

  .page-news .news-summary {
    position: sticky;
    top: calc(var(--header-h) + 18px);
    align-self: start;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-news .news-item::before,
  .page-news .news-item-title,
  .page-news .news-cat,
  .page-news .news-copy {
    transition: none;
  }
}
<<<END>>>