.page-news {
  --news-rail-w: 172px;
  --news-hairline: rgba(43, 38, 34, .1);
  --news-soft-hairline: rgba(27, 58, 107, .1);
}

/* 面包屑 */
.page-news .news-crumb {
  padding-top: clamp(14px, 2vw, 22px);
}

/* 首屏 */
.page-news .news-masthead {
  padding: clamp(22px, 4vw, 54px) 0 clamp(26px, 4vw, 48px);
  background: linear-gradient(180deg, var(--yh-cream) 0%, var(--yh-mist) 72%, var(--yh-cream) 100%);
  border-bottom: 1px solid var(--news-hairline);
}

.page-news .news-masthead .eyebrow {
  color: var(--yh-celadon);
}

.page-news .news-masthead h1 {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(42px, 7.4vw, 92px);
  line-height: 1.02;
  letter-spacing: .06em;
  color: var(--yh-blue);
  margin: 14px 0 18px;
}

.page-news .news-lede {
  max-width: 60ch;
  font-size: 17px;
  line-height: 1.78;
  color: var(--yh-ink-soft);
  margin: 0;
}

.page-news .news-stats {
  display: flex;
  flex-wrap: wrap;
  gap: 18px 40px;
  margin-top: clamp(24px, 3.4vw, 38px);
  padding-top: 20px;
  border-top: 1px solid var(--news-soft-hairline);
}

.page-news .news-stats .stat {
  min-width: 160px;
}

/* 主体两栏 */
.page-news .news-body {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 26px;
  padding-top: clamp(24px, 4vw, 48px);
  padding-bottom: clamp(40px, 6vw, 80px);
}

@media (min-width: 1000px) {
  .page-news .news-body {
    grid-template-columns: var(--news-rail-w) minmax(0, 1fr);
    gap: 52px;
  }
}

.page-news .news-stream {
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: clamp(38px, 6vw, 74px);
}

/* 期次轨道 */
.page-news .issue-rail {
  position: sticky;
  top: calc(var(--header-h-condensed) + 18px);
  align-self: start;
  z-index: 4;
  margin: 0 calc(var(--gutter) * -1) 0 0;
  padding: 0 var(--gutter) 10px 0;
  background: linear-gradient(180deg, var(--yh-cream) 82%, rgba(247, 243, 234, 0));
}

.page-news .issue-list {
  display: flex;
  gap: 6px;
  margin: 0;
  padding: 0 0 4px;
  list-style: none;
  overflow-x: auto;
  scrollbar-width: none;
}

.page-news .issue-list::-webkit-scrollbar {
  display: none;
}

.page-news .issue-item {
  flex: 0 0 auto;
}

.page-news .issue-item a {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 12px;
  border-radius: var(--pill);
  color: var(--yh-gauge);
  text-decoration: none;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .12em;
  white-space: nowrap;
  transition: color var(--dur) var(--ease), background-color var(--dur) var(--ease);
}

.page-news .issue-item a:hover {
  color: var(--yh-blue);
}

.page-news .issue-tick {
  position: relative;
  display: block;
  width: 18px;
  height: 1px;
  background: currentColor;
  flex: 0 0 auto;
}

.page-news .issue-tick::after {
  content: "";
  position: absolute;
  right: 0;
  top: 50%;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: transparent;
  transform: translate(50%, -50%);
  transition: background-color var(--dur) var(--ease);
}

.page-news .issue-item a[aria-current="true"] {
  color: var(--yh-copper);
  background: rgba(201, 111, 46, .1);
}

.page-news .issue-item a[aria-current="true"] .issue-tick::after {
  background: var(--yh-copper);
}

@media (min-width: 1000px) {
  .page-news .issue-rail {
    margin-right: 0;
    padding: 4px 0 0 2px;
    background: none;
  }

  .page-news .issue-list {
    flex-direction: column;
    gap: 2px;
    overflow: visible;
    padding-bottom: 0;
    border-left: 1px solid var(--news-soft-hairline);
  }

  .page-news .issue-item a {
    border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
    padding: 10px 14px 10px 0;
  }

  .page-news .issue-item a[aria-current="true"] {
    background: none;
  }

  .page-news .issue-tick {
    width: 26px;
  }

  .page-news .issue-tick::before {
    content: "";
    position: absolute;
    left: -1px;
    top: -8px;
    bottom: -8px;
    width: 2px;
    background: transparent;
    border-radius: 2px;
  }

  .page-news .issue-item a[aria-current="true"] .issue-tick::before {
    background: var(--yh-copper);
  }
}

/* 本期头条 */
.page-news .news-feature .section-title {
  font-size: clamp(26px, 3.6vw, 40px);
  letter-spacing: .04em;
}

.page-news .news-feature-media {
  margin-top: clamp(18px, 2.6vw, 28px);
}

.page-news .feature-points {
  list-style: none;
  margin: clamp(20px, 3vw, 30px) 0 0;
  padding: 0;
  display: grid;
  gap: 0;
  border-top: 1px solid var(--news-hairline);
}

.page-news .feature-points li {
  display: flex;
  gap: 16px;
  align-items: baseline;
  padding: 16px 0;
  border-bottom: 1px solid var(--news-hairline);
  font-size: 16px;
  line-height: 1.72;
  color: var(--yh-ink);
}

.page-news .point-index {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .14em;
  color: var(--yh-celadon);
  flex: 0 0 auto;
  padding-top: 4px;
}

/* 横向滚动条目带 */
.page-news .news-strip-section .section-head {
  margin-bottom: 18px;
}

.page-news .news-strip {
  display: flex;
  gap: 16px;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  padding: 4px 4px 16px;
  margin: 0 -4px;
  scrollbar-width: thin;
}

.page-news .strip-item {
  scroll-snap-align: start;
  flex: 0 0 min(320px, 76vw);
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 20px 22px 24px;
  border-radius: var(--radius-md);
  background: linear-gradient(160deg, var(--yh-silver) 0%, var(--yh-mist) 100%);
  border: 1px solid rgba(27, 58, 107, .08);
}

.page-news .strip-tag {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .16em;
  color: var(--yh-blue);
  text-transform: uppercase;
}

.page-news .strip-tag::before {
  content: "";
  display: inline-block;
  width: 6px;
  height: 6px;
  margin-right: 8px;
  border-radius: 50%;
  background: var(--yh-celadon);
  vertical-align: middle;
}

.page-news .strip-text {
  margin: 0;
  font-size: 15px;
  line-height: 1.72;
  color: var(--yh-ink);
}

.page-news .news-strip-section .media-caption {
  margin-top: 6px;
}

/* 条目网格 */
.page-news .news-entries .filter-bar {
  margin: 6px 0 24px;
}

.page-news .filter-chip.is-active {
  background: var(--yh-blue);
  border-color: var(--yh-blue);
  color: var(--yh-cream);
}

.page-news .entry-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 18px;
}

@media (min-width: 660px) {
  .page-news .entry-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 1180px) {
  .page-news .entry-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

.page-news .entry-card {
  display: flex;
  flex-direction: column;
  gap: 10px;
  min-width: 0;
  padding: 22px 22px 24px;
  border-radius: var(--radius-md);
  background: var(--yh-mist);
  border: 1px solid var(--news-soft-hairline);
  transition: transform var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
}

.page-news .entry-card[hidden] {
  display: none;
}

.page-news .entry-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-2);
}

.page-news .entry-figure {
  margin: 0 0 4px;
  border-radius: var(--radius-sm);
  overflow: hidden;
  background: linear-gradient(180deg, var(--yh-silver) 0%, var(--yh-mist) 100%);
}

.page-news .entry-figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
}

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

.page-news .entry-cat {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .16em;
  color: var(--yh-celadon);
  text-transform: uppercase;
}

.page-news .entry-cat::before {
  content: "";
  display: inline-block;
  width: 6px;
  height: 6px;
  margin-right: 8px;
  border-radius: 50%;
  background: var(--yh-celadon);
  vertical-align: middle;
}

.page-news .entry-time {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .1em;
  color: var(--yh-gauge);
}

.page-news .entry-title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 19px;
  line-height: 1.5;
  letter-spacing: .02em;
  color: var(--yh-blue);
}

.page-news .entry-text {
  margin: 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--yh-ink-soft);
}

/* 校准说明 */
.page-news .news-calibration {
  padding: clamp(22px, 3.4vw, 34px);
  border-radius: var(--radius-lg);
  background: var(--yh-celadon-light);
  border: 1px solid rgba(62, 124, 107, .22);
  display: grid;
  gap: 18px;
}

@media (min-width: 900px) {
  .page-news .news-calibration {
    grid-template-columns: 220px minmax(0, 1fr);
    gap: 32px;
    align-items: start;
  }
}

.page-news .news-calibration .section-title {
  font-size: clamp(20px, 2.4vw, 26px);
  color: var(--yh-blue);
  margin: 8px 0 0;
  letter-spacing: .04em;
}

.page-news .calibration-body {
  display: flex;
  flex-direction: column;
  gap: 14px;
  min-width: 0;
}

.page-news .calibration-body p {
  margin: 0;
  font-size: 15px;
  line-height: 1.78;
  color: var(--yh-ink);
}

.page-news .calibration-version {
  margin: 0;
}

.page-news .calibration-links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 24px;
  padding-top: 6px;
}

.page-news .link-quiet {
  color: var(--yh-blue);
  text-decoration: none;
  font-size: 14px;
  border-bottom: 1px solid rgba(27, 58, 107, .28);
  padding-bottom: 2px;
  transition: border-color var(--dur) var(--ease), color var(--dur) var(--ease);
}

.page-news .link-quiet:hover {
  color: var(--yh-copper);
  border-bottom-color: var(--yh-copper);
}

/* 收束 */
.page-news .news-closing {
  padding: clamp(24px, 4vw, 42px);
  border-radius: var(--radius-lg);
  background: linear-gradient(135deg, var(--yh-silver) 0%, var(--yh-mist) 55%, var(--yh-cream) 100%);
  border: 1px solid var(--news-soft-hairline);
}

.page-news .news-closing h2 {
  margin: 0 0 12px;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(22px, 3vw, 32px);
  line-height: 1.35;
  letter-spacing: .04em;
  color: var(--yh-blue);
}

.page-news .news-closing p {
  margin: 0;
  max-width: 62ch;
  font-size: 16px;
  line-height: 1.78;
  color: var(--yh-ink-soft);
}

.page-news .closing-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 22px;
}

/* 进场动效 */
.page-news [data-reveal] {
  opacity: 1;
}

html[data-reveal-ready] .page-news [data-reveal] {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity var(--dur) var(--ease), transform var(--dur) var(--ease);
}

html[data-reveal-ready] .page-news [data-reveal].is-visible {
  opacity: 1;
  transform: none;
}

@media (prefers-reduced-motion: reduce) {
  .page-news [data-reveal],
  html[data-reveal-ready] .page-news [data-reveal] {
    transform: none;
    transition: opacity 160ms linear;
  }

  .page-news .entry-card,
  .page-news .filter-chip.is-active {
    transition: none;
  }

  .page-news .entry-card:hover {
    transform: none;
  }
}

/* 窄屏收束 */
@media (max-width: 999px) {
  .page-news .issue-rail {
    margin: 0;
    padding: 0 0 10px;
    border-bottom: 1px solid var(--news-soft-hairline);
  }

  .page-news .news-masthead h1 {
    letter-spacing: .04em;
  }

  .page-news .feature-points li {
    gap: 12px;
  }
}

@media (max-width: 520px) {
  .page-news .entry-card {
    padding: 18px 18px 20px;
  }

  .page-news .news-stats {
    gap: 14px 24px;
  }

  .page-news .news-stats .stat {
    min-width: 0;
    flex: 1 1 140px;
  }
}
<<<END>>>