.page-news {
  --news-rule: 2px solid var(--line);
  --news-node-size: 13px;
  --news-gap: clamp(20px, 4vw, 44px);
  background: var(--sand);
  color: var(--ink);
}

/* 面包屑 */
.page-news .news-crumbs {
  padding: clamp(14px, 3vw, 24px) 0 0;
}

/* 首屏 */
.page-news .news-hero {
  padding: clamp(24px, 5vw, 56px) 0 clamp(36px, 6vw, 72px);
}

.page-news .news-hero-inner {
  display: grid;
  gap: var(--news-gap);
  align-items: end;
}

.page-news .news-hero-copy {
  display: flex;
  flex-direction: column;
  gap: clamp(14px, 2.4vw, 22px);
}

.page-news .news-hero-copy .eyebrow {
  margin: 0;
}

.page-news .news-hero-copy h1 {
  font-family: var(--font-title);
  font-weight: 600;
  font-size: clamp(34px, 7.5vw, 76px);
  line-height: 1.04;
  letter-spacing: -0.01em;
  margin: 0;
  color: var(--ink-blue);
}

.page-news .news-lede {
  font-family: var(--font-body);
  font-size: clamp(16px, 2.3vw, 19px);
  line-height: 1.8;
  margin: 0;
  max-width: 52ch;
  color: var(--ink);
}

.page-news .news-hero-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

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

.page-news .news-hero-figure {
  margin: 0;
  border: var(--news-rule);
  background: var(--paper);
  box-shadow: var(--shadow-hard-lg);
}

.page-news .news-hero-figure img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  aspect-ratio: 2 / 1;
}

/* 章节头 */
.page-news .news-section-head {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-bottom: clamp(28px, 5vw, 48px);
  max-width: 62ch;
}

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

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

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

/* 时间线 */
.page-news .news-timeline-section {
  background: var(--sand);
}

.page-news .news-timeline {
  list-style: none;
  margin: 0;
  padding: 0 0 0 26px;
  position: relative;
  border-left: 2px dashed rgba(43, 43, 43, .45);
}

.page-news .news-node {
  position: relative;
  padding-bottom: clamp(24px, 4vw, 38px);
}

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

.page-news .news-node::before {
  content: "";
  position: absolute;
  left: calc(-26px - 8px);
  top: 8px;
  width: var(--news-node-size);
  height: var(--news-node-size);
  background: var(--amber);
  border: 2px solid var(--line);
  border-radius: 50%;
  z-index: 1;
}

.page-news .news-node--latest::before {
  background: var(--signal);
  box-shadow: 0 0 0 4px rgba(47, 191, 113, .22);
}

.page-news .news-node-batch {
  display: inline-block;
  margin-bottom: 10px;
}

.page-news .news-node-body {
  border: var(--news-rule);
  background: var(--paper);
  padding: clamp(16px, 2.6vw, 24px);
  box-shadow: var(--shadow-hard);
}

.page-news .news-node--latest .news-node-body {
  border-left: 8px solid var(--signal);
}

.page-news .news-node-head {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  margin-bottom: 10px;
}

.page-news .news-node-head h3 {
  font-family: var(--font-title);
  font-weight: 600;
  font-size: clamp(19px, 2.6vw, 25px);
  line-height: 1.28;
  margin: 0;
  color: var(--ink-blue);
}

.page-news .news-node-body p {
  font-family: var(--font-body);
  font-size: clamp(15px, 1.9vw, 17px);
  line-height: 1.85;
  margin: 0;
  color: var(--ink);
}

.page-news .news-node-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
  margin-top: 14px;
}

/* 稳定版摘要 */
.page-news .news-summary-section {
  background: var(--paper);
}

.page-news .news-summary-grid {
  align-items: start;
  gap: var(--news-gap);
}

.page-news .news-summary-aside {
  margin: 0;
}

.page-news .news-summary-aside .figure {
  margin: 0 0 14px;
  border: var(--news-rule);
  background: var(--sand-deep);
  box-shadow: var(--shadow-hard);
}

.page-news .news-summary-aside .figure img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

.page-news .news-summary-caption {
  font-family: var(--font-body);
  font-size: 14px;
  line-height: 1.75;
  color: var(--muted);
  margin: 0;
  padding-left: 12px;
  border-left: 3px solid var(--amber);
}

.page-news .news-summary-list {
  display: grid;
  gap: clamp(14px, 2.4vw, 20px);
}

.page-news .news-summary-tile {
  border: var(--news-rule);
  background: var(--sand);
}

.page-news .news-summary-tile .tile-head {
  align-items: center;
  display: flex;
  gap: 12px;
}

.page-news .news-summary-tile .tile-title {
  margin: 0;
}

/* 栏目更新范围 */
.page-news .news-scope-section {
  background: var(--sand-deep);
}

.page-news .news-scope-grid {
  gap: clamp(16px, 2.6vw, 24px);
}

.page-news .news-scope-card {
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: clamp(18px, 3vw, 28px);
  background: var(--paper);
  border: var(--news-rule);
  box-shadow: var(--shadow-hard);
  transition: box-shadow 220ms var(--ease), transform 220ms var(--ease);
}

.page-news .news-scope-card:hover {
  box-shadow: var(--shadow-hard-lg);
  transform: translate(-2px, -2px);
}

.page-news .news-scope-index {
  font-family: var(--font-mono);
  font-size: 14px;
  letter-spacing: .12em;
  margin: 0;
  color: var(--signal-dark);
}

.page-news .news-scope-card h3 {
  font-family: var(--font-title);
  font-weight: 600;
  font-size: clamp(20px, 2.6vw, 26px);
  margin: 0;
  color: var(--ink-blue);
}

.page-news .news-scope-card p {
  font-family: var(--font-body);
  font-size: clamp(15px, 1.9vw, 17px);
  line-height: 1.85;
  margin: 0;
  color: var(--ink);
}

.page-news .news-scope-link {
  margin-top: auto;
  font-family: var(--font-mono);
  font-size: 14px;
  letter-spacing: .04em;
  color: var(--signal-dark);
  text-decoration: none;
  border-bottom: 2px solid var(--signal);
  align-self: flex-start;
  padding-bottom: 2px;
  transition: color 200ms var(--ease), border-color 200ms var(--ease);
}

.page-news .news-scope-link:hover,
.page-news .news-scope-link:focus-visible {
  color: var(--ink-blue);
  border-color: var(--ink-blue);
}

/* 路径调整 */
.page-news .news-path-section {
  background: var(--sand);
}

.page-news .news-path-compare {
  display: grid;
  gap: clamp(16px, 2.6vw, 24px);
  margin-bottom: clamp(22px, 4vw, 36px);
}

.page-news .news-path-panel {
  border: var(--news-rule);
  padding: clamp(18px, 3vw, 26px);
  background: var(--paper);
}

.page-news .news-path-panel--before {
  border-style: dashed;
  background: var(--sand-deep);
}

.page-news .news-path-panel--after {
  border-left: 8px solid var(--signal);
  box-shadow: var(--shadow-hard);
}

.page-news .news-path-label {
  font-family: var(--font-mono);
  font-size: 14px;
  letter-spacing: .12em;
  text-transform: uppercase;
  margin: 0 0 14px;
  color: var(--ink-blue);
}

.page-news .news-path-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-news .news-path-list li {
  font-family: var(--font-body);
  font-size: clamp(15px, 1.9vw, 17px);
  line-height: 1.75;
  padding-left: 20px;
  position: relative;
  color: var(--ink);
}

.page-news .news-path-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .62em;
  width: 9px;
  height: 2px;
  background: var(--muted);
}

.page-news .news-path-panel--after .news-path-list li::before {
  background: var(--signal);
  height: 3px;
}

.page-news .news-path-figure {
  margin: 0 0 clamp(22px, 4vw, 36px);
  border: var(--news-rule);
  background: var(--paper);
  box-shadow: var(--shadow-hard);
}

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

.page-news .news-path-tip {
  display: flex;
  flex-direction: column;
  gap: 16px;
  align-items: flex-start;
  padding: clamp(18px, 3vw, 26px);
  background: var(--ink-blue);
  color: var(--paper);
  border: var(--news-rule);
}

.page-news .news-path-tip p {
  font-family: var(--font-body);
  font-size: clamp(15px, 1.9vw, 17px);
  line-height: 1.8;
  margin: 0;
  max-width: 60ch;
  color: var(--paper);
}

/* 历史归档 */
.page-news .news-archive-section {
  background: var(--paper);
}

.page-news .news-archive-layout {
  display: grid;
  gap: var(--news-gap);
  align-items: start;
}

.page-news .news-archive-list {
  display: grid;
  gap: 14px;
}

.page-news .news-archive-group {
  border: var(--news-rule);
  background: var(--sand);
}

.page-news .news-archive-group[open] {
  box-shadow: var(--shadow-hard);
}

.page-news .news-archive-group > summary {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
  padding: 16px clamp(16px, 2.6vw, 22px);
  cursor: pointer;
  list-style: none;
  background: var(--sand-deep);
  border-bottom: 2px solid transparent;
  transition: background 200ms var(--ease);
}

.page-news .news-archive-group[open] > summary {
  border-bottom-color: var(--line);
}

.page-news .news-archive-group > summary::-webkit-details-marker {
  display: none;
}

.page-news .news-archive-group > summary:hover {
  background: var(--paper);
}

.page-news .news-archive-group > summary::after {
  content: "＋";
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 16px;
  color: var(--signal-dark);
}

.page-news .news-archive-group[open] > summary::after {
  content: "－";
}

.page-news .news-archive-label {
  font-family: var(--font-title);
  font-weight: 600;
  font-size: clamp(16px, 2.1vw, 20px);
  color: var(--ink-blue);
}

.page-news .news-archive-group ul {
  list-style: none;
  margin: 0;
  padding: 10px clamp(16px, 2.6vw, 22px) 18px;
  display: grid;
  gap: 10px;
}

.page-news .news-archive-group li {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 12px;
  align-items: baseline;
  font-family: var(--font-body);
  font-size: clamp(14px, 1.8vw, 16px);
  line-height: 1.7;
  color: var(--ink);
  padding-bottom: 10px;
  border-bottom: 1px dashed rgba(43, 43, 43, .28);
}

.page-news .news-archive-group li:last-child {
  border-bottom: none;
  padding-bottom: 0;
}

.page-news .news-archive-no {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .06em;
  color: var(--amber);
  background: var(--ink-blue);
  padding: 2px 7px;
  white-space: nowrap;
}

.page-news .news-archive-aside {
  display: grid;
  gap: 16px;
}

.page-news .news-archive-aside .figure {
  margin: 0;
  border: var(--news-rule);
  background: var(--sand-deep);
  box-shadow: var(--shadow-hard);
}

.page-news .news-archive-aside .figure img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

.page-news .news-archive-note {
  border-top: 3px solid var(--amber);
  padding-top: 14px;
  display: grid;
  gap: 12px;
}

.page-news .news-archive-note p {
  font-family: var(--font-body);
  font-size: 14px;
  line-height: 1.8;
  margin: 0;
  color: var(--muted);
}

/* 底部引导 */
.page-news .news-cta-section {
  background: var(--ink-blue);
}

.page-news .news-cta-inner {
  display: flex;
  flex-direction: column;
  gap: clamp(20px, 4vw, 36px);
  align-items: flex-start;
}

.page-news .news-cta-section .eyebrow {
  color: var(--signal);
  margin: 0 0 8px;
}

.page-news .news-cta-section .section-title {
  color: var(--paper);
  margin: 0 0 10px;
}

.page-news .news-cta-section .section-note {
  color: rgba(247, 243, 234, .74);
  margin: 0;
}

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

/* 平板及桌面 */
@media (min-width: 720px) {
  .page-news .news-path-compare {
    grid-template-columns: 1fr 1fr;
  }

  .page-news .news-path-tip {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
  }

  .page-news .news-cta-inner {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
  }

  .page-news .news-cta-inner > div:first-child {
    max-width: 58ch;
  }
}

@media (min-width: 960px) {
  .page-news .news-hero-inner {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 1fr);
    align-items: center;
  }

  .page-news .news-summary-grid {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    gap: clamp(28px, 4vw, 56px);
  }

  .page-news .news-summary-list {
    grid-template-columns: 1fr;
  }

  .page-news .news-archive-layout {
    grid-template-columns: minmax(0, 7fr) minmax(0, 4fr);
    gap: clamp(28px, 4vw, 56px);
  }

  .page-news .news-timeline {
    padding-left: 40px;
  }

  .page-news .news-node::before {
    left: calc(-40px - 8px);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-news .news-scope-card,
  .page-news .news-scope-link {
    transition: none;
  }

  .page-news .news-scope-card:hover {
    transform: none;
  }
}
</main>