.page-news {
  --news-rule: rgba(168, 190, 216, 0.5);
  --news-ink-soft: rgba(16, 19, 25, 0.74);
  --news-cream-soft: rgba(247, 244, 238, 0.76);
  display: block;
}

.page-news .breadcrumb {
  padding-top: clamp(16px, 3vw, 28px);
  padding-bottom: clamp(6px, 1.5vw, 14px);
}

/* ============ 刊首 ============ */
.page-news .news-head {
  position: relative;
  padding-block: clamp(6px, 2vw, 20px) clamp(26px, 4vw, 48px);
}

.page-news .news-head__inner {
  display: grid;
  gap: clamp(12px, 2vw, 18px);
  max-width: 1000px;
}

.page-news .news-head__title {
  margin: 0;
  font-family: var(--font-head);
  font-size: clamp(2.05rem, 5.4vw, 4.3rem);
  line-height: 1.08;
  font-weight: 900;
  letter-spacing: -0.022em;
  color: var(--c-ink);
}

.page-news .news-head__title em {
  font-style: normal;
  background-image: linear-gradient(180deg, transparent 60%, rgba(217, 164, 65, 0.45) 60%);
  background-repeat: no-repeat;
  background-size: 100% 100%;
}

.page-news .news-head__lede {
  margin: 0;
  max-width: 46em;
  color: var(--news-ink-soft);
}

.page-news .news-head__meta {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
  margin: 6px 0 0;
  padding: 20px 0 0;
  border-top: 1px solid var(--news-rule);
}

.page-news .news-head__meta-cell dt {
  margin: 0;
  font-size: var(--fs-12);
  letter-spacing: 0.1em;
  color: var(--c-rock);
}

.page-news .news-head__meta-cell dd {
  margin: 5px 0 0;
  font-family: var(--font-head);
  font-size: var(--fs-22);
  font-weight: 800;
  color: var(--c-deep);
  letter-spacing: -0.01em;
}

/* ============ 本期看点 ============ */
.page-news .news-highlight {
  padding-block: clamp(14px, 3vw, 30px) clamp(34px, 5vw, 64px);
}

.page-news .news-highlight__grid {
  display: grid;
  gap: clamp(24px, 4vw, 44px);
  align-items: start;
}

.page-news .news-highlight__media {
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.page-news .news-highlight__body {
  display: grid;
  gap: 10px;
}

.page-news .news-highlight__intro {
  margin: 0;
  color: var(--news-ink-soft);
  font-size: var(--fs-17);
  line-height: 1.75;
}

.page-news .news-briefs {
  list-style: none;
  margin: 16px 0 0;
  padding: 0;
}

.page-news .news-brief {
  border-top: 1px solid var(--news-rule);
}

.page-news .news-brief:last-child {
  border-bottom: 1px solid var(--news-rule);
}

.page-news .news-brief details {
  padding: 13px 0;
}

.page-news .news-brief summary {
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 12px;
  align-items: baseline;
  cursor: pointer;
  list-style: none;
  color: var(--c-ink);
  font-family: var(--font-head);
  font-size: var(--fs-17);
  font-weight: 800;
  line-height: 1.5;
  transition: color var(--dur-1) var(--ease);
}

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

.page-news .news-brief summary:hover {
  color: var(--c-deep);
}

.page-news .news-brief__idx {
  font-size: var(--fs-12);
  color: var(--c-gold);
  letter-spacing: 0.06em;
}

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

.page-news .news-brief__time {
  justify-self: end;
  font-size: var(--fs-12);
  color: var(--c-rock);
  letter-spacing: 0.04em;
  white-space: nowrap;
}

.page-news .news-brief details[open] .news-brief__time {
  color: var(--c-gold);
}

.page-news .news-brief__desc {
  margin: 10px 0 2px 34px;
  color: var(--news-ink-soft);
  font-size: var(--fs-17);
  line-height: 1.75;
}

/* ============ 栏目索引 ============ */
.page-news .news-index {
  background: linear-gradient(180deg, var(--c-paper) 0%, var(--c-cream) 100%);
  padding-block: clamp(34px, 5vw, 64px);
}

.page-news .news-index__head {
  display: grid;
  gap: 10px;
  max-width: 660px;
  margin-bottom: clamp(20px, 3vw, 32px);
}

.page-news .news-index__head .lede {
  margin: 0;
}

.page-news .news-filters {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 0 0 clamp(18px, 3vw, 30px);
}

.page-news .news-filters .chip {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 9px 16px;
  border-radius: 999px;
  border: 1px solid var(--news-rule);
  background: var(--c-paper);
  color: var(--c-deep);
  font-family: var(--font-body);
  font-size: var(--fs-14);
  font-weight: 700;
  cursor: pointer;
  transition: border-color var(--dur-1) var(--ease), background-color var(--dur-1) var(--ease), color var(--dur-1) var(--ease);
}

.page-news .news-filters .chip:hover {
  border-color: var(--c-gold-soft);
}

.page-news .news-filters .chip[aria-pressed="true"] {
  border-color: var(--c-gold);
  background: linear-gradient(180deg, rgba(217, 164, 65, 0.16), rgba(217, 164, 65, 0.03));
}

.page-news .news-filters .chip__count {
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  font-weight: 400;
  color: var(--c-rock);
}

.page-news .news-filters .chip[aria-pressed="true"] .chip__count {
  color: var(--c-clay);
}

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

.page-news .news-item {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(14px, 3vw, 30px);
  align-items: start;
  padding: clamp(20px, 3vw, 30px) 0;
  border-bottom: 1px solid var(--news-rule);
}

.page-news .news-item:first-child {
  border-top: 1px solid var(--news-rule);
}

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

.page-news .news-item__text {
  grid-column: 1 / -1;
  min-width: 0;
}

.page-news .news-item__media {
  grid-column: 1 / -1;
  border-radius: var(--radius-md);
  overflow: hidden;
}

.page-news .news-item__meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin: 0 0 9px;
  font-size: var(--fs-12);
  letter-spacing: 0.05em;
  color: var(--c-rock);
}

.page-news .news-dot {
  flex: none;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--c-rock);
}

.page-news .news-dot--version { background: var(--c-gold); }
.page-news .news-dot--paths { background: var(--c-jade); }
.page-news .news-dot--usage { background: var(--c-mist); }
.page-news .news-dot--enterprise { background: var(--c-coral); }

.page-news .news-item__time {
  color: var(--c-deep);
}

.page-news .news-item__title {
  margin: 0 0 8px;
  font-family: var(--font-head);
  font-size: clamp(1.12rem, 2.2vw, 1.44rem);
  line-height: 1.36;
  font-weight: 800;
  letter-spacing: -0.012em;
  color: var(--c-ink);
}

.page-news .news-item__desc {
  margin: 0;
  max-width: 48em;
  color: var(--news-ink-soft);
  font-size: var(--fs-17);
  line-height: 1.72;
}

.page-news .filter-empty {
  margin: 22px 0 0;
  padding: 18px 22px;
  border: 1px dashed var(--news-rule);
  border-radius: var(--radius-md);
  color: var(--c-rock);
  font-size: var(--fs-17);
}

.page-news .filter-empty[hidden] {
  display: none;
}

/* ============ 版本迭代记录 ============ */
.page-news .news-versions {
  background: linear-gradient(140deg, var(--c-deep) 0%, var(--c-night) 78%);
  color: var(--c-cream);
  padding-block: clamp(40px, 6vw, 76px);
}

.page-news .news-versions__head {
  max-width: 740px;
  margin-bottom: clamp(26px, 4vw, 46px);
}

.page-news .news-versions .eyebrow {
  color: var(--c-gold);
}

.page-news .news-versions .h-section {
  color: var(--c-cream);
}

.page-news .news-versions__lede {
  margin: 12px 0 0;
  color: var(--news-cream-soft);
  font-size: var(--fs-17);
  line-height: 1.78;
}

.page-news .version-track {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: clamp(20px, 3vw, 30px);
}

.page-news .version-stop {
  position: relative;
  padding-left: 20px;
  border-left: 2px solid var(--c-line-dark);
}

.page-news .version-stop__tag {
  margin: 0 0 8px;
  font-size: var(--fs-12);
  letter-spacing: 0.11em;
  color: var(--c-gold);
}

.page-news .version-stop__title {
  margin: 0 0 8px;
  font-family: var(--font-head);
  font-size: var(--fs-22);
  font-weight: 800;
  line-height: 1.36;
  color: var(--c-cream);
}

.page-news .version-stop__desc {
  margin: 0;
  color: var(--news-cream-soft);
  font-size: var(--fs-17);
  line-height: 1.75;
}

/* ============ 路径优化专题 ============ */
.page-news .news-series {
  padding-block: clamp(38px, 5.5vw, 70px);
}

.page-news .news-series__head {
  display: grid;
  gap: 10px;
  max-width: 700px;
  margin-bottom: clamp(20px, 3vw, 34px);
}

.page-news .news-series__head .lede {
  margin: 0;
}

.page-news .series-list {
  list-style: none;
  margin: 0;
  padding: 0;
  counter-reset: series;
}

.page-news .series-item {
  display: grid;
  gap: 8px;
  padding: clamp(20px, 3vw, 28px) 0;
  border-top: 1px solid var(--news-rule);
}

.page-news .series-item:last-child {
  border-bottom: 1px solid var(--news-rule);
}

.page-news .series-item__no {
  margin: 0;
  font-size: var(--fs-12);
  letter-spacing: 0.11em;
  color: var(--c-jade);
}

.page-news .series-item__title {
  margin: 0 0 8px;
  font-family: var(--font-head);
  font-size: clamp(1.05rem, 1.9vw, 1.3rem);
  font-weight: 800;
  line-height: 1.4;
  color: var(--c-ink);
}

.page-news .series-item__desc {
  margin: 0;
  max-width: 52em;
  color: var(--news-ink-soft);
  font-size: var(--fs-17);
  line-height: 1.75;
}

/* ============ 使用场景观察 ============ */
.page-news .news-scenes {
  padding-block: clamp(16px, 3vw, 30px) clamp(38px, 5.5vw, 68px);
}

.page-news .news-scenes__head {
  max-width: 720px;
  margin-bottom: clamp(22px, 3vw, 34px);
}

.page-news .scene-grid {
  display: grid;
  gap: 18px;
}

.page-news .scene-card {
  display: grid;
  gap: 10px;
  align-content: start;
  padding: clamp(22px, 3vw, 30px);
  border: 1px solid var(--news-rule);
  border-top: 3px solid var(--c-mist);
  border-radius: var(--radius-lg);
  background: var(--c-paper);
  transition: transform var(--dur-2) var(--ease), border-color var(--dur-2) var(--ease);
}

.page-news .scene-card--home { border-top-color: var(--c-jade); }
.page-news .scene-card--share { border-top-color: var(--c-coral); }
.page-news .scene-card--org { border-top-color: var(--c-gold); }

.page-news .scene-card:hover {
  transform: translateY(-4px);
  border-color: var(--c-gold-soft);
}

.page-news .scene-card__tag {
  margin: 0;
  font-size: var(--fs-12);
  letter-spacing: 0.09em;
  color: var(--c-rock);
}

.page-news .scene-card__title {
  margin: 0;
  font-family: var(--font-head);
  font-size: var(--fs-22);
  font-weight: 800;
  line-height: 1.34;
  color: var(--c-ink);
}

.page-news .scene-card__desc {
  margin: 0;
  color: var(--news-ink-soft);
  font-size: var(--fs-17);
  line-height: 1.72;
}

/* ============ 企业方案专栏 ============ */
.page-news .news-enterprise {
  padding-block: clamp(16px, 3vw, 30px) clamp(40px, 5.5vw, 72px);
}

.page-news .news-enterprise__grid {
  display: grid;
  gap: clamp(24px, 4vw, 48px);
  align-items: center;
}

.page-news .news-enterprise__media {
  border-radius: var(--radius-xl);
  overflow: hidden;
}

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

.page-news .news-enterprise__body .h-section {
  margin: 0;
}

.page-news .news-enterprise__body p {
  margin: 0;
}

.page-news .enterprise-points {
  list-style: none;
  margin: 4px 0 6px;
  padding: 0;
  display: grid;
  gap: 11px;
}

.page-news .enterprise-points li {
  position: relative;
  padding-left: 22px;
  color: var(--news-ink-soft);
  font-size: var(--fs-17);
  line-height: 1.68;
}

.page-news .enterprise-points li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.68em;
  width: 11px;
  height: 2px;
  background: var(--c-gold);
}

.page-news .news-enterprise__cta {
  margin-top: 4px;
}

/* ============ 更新节奏 ============ */
.page-news .news-cadence {
  padding-block: 0 clamp(44px, 6vw, 84px);
}

.page-news .cadence-panel {
  padding: clamp(28px, 5vw, 56px);
  border-radius: var(--radius-xl);
  background: linear-gradient(135deg, var(--c-night) 0%, var(--c-deep) 72%);
  color: var(--c-cream);
}

.page-news .cadence-panel__title {
  margin: 0 0 22px;
  color: var(--c-cream);
  max-width: 22em;
}

.page-news .cadence-grid {
  display: grid;
  gap: 22px;
  margin-bottom: 28px;
}

.page-news .cadence-item__num {
  margin: 0 0 7px;
  font-size: var(--fs-22);
  font-weight: 700;
  color: var(--c-gold-soft);
  letter-spacing: -0.01em;
}

.page-news .cadence-item p {
  margin: 0;
  color: var(--news-cream-soft);
  font-size: var(--fs-17);
  line-height: 1.72;
}

.page-news .cadence-links {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  padding-top: 24px;
  border-top: 1px solid var(--c-line-light);
}

.page-news .cadence-links a {
  display: inline-flex;
  align-items: center;
  padding: 10px 18px;
  border: 1px solid var(--c-line-light);
  border-radius: 999px;
  color: var(--c-cream);
  font-size: var(--fs-14);
  font-weight: 700;
  text-decoration: none;
  transition: border-color var(--dur-1) var(--ease), color var(--dur-1) var(--ease);
}

.page-news .cadence-links a:hover {
  border-color: var(--c-gold);
  color: var(--c-gold-soft);
}

/* ============ 图片与 reveal ============ */
.page-news img {
  display: block;
  max-width: 100%;
  height: auto;
  object-fit: cover;
}

.page-news .reveal {
  transition: opacity var(--dur-3) var(--ease), transform var(--dur-3) var(--ease);
}

html[data-reveal-ready] .page-news .reveal {
  opacity: 0;
  transform: translateY(12px);
}

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

/* ============ 响应式 ============ */
@media (min-width: 720px) {
  .page-news .news-head__meta {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 28px;
  }

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

  .page-news .cadence-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 34px;
  }

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

@media (min-width: 760px) {
  .page-news .news-item--with-media {
    grid-template-columns: minmax(0, 300px) minmax(0, 1fr);
  }

  .page-news .news-item--with-media .news-item__media {
    grid-column: 1;
    grid-row: 1;
  }

  .page-news .news-item--with-media .news-item__text {
    grid-column: 2;
    grid-row: 1;
  }

  .page-news .series-item {
    grid-template-columns: 116px minmax(0, 1fr);
    gap: 30px;
    align-items: start;
  }

  .page-news .news-brief__desc {
    max-width: 46em;
  }
}

@media (min-width: 900px) {
  .page-news .news-highlight__grid {
    grid-template-columns: minmax(0, 1.08fr) minmax(0, 1fr);
  }

  .page-news .news-enterprise__grid {
    grid-template-columns: minmax(0, 1.12fr) minmax(0, 1fr);
  }

  .page-news .news-item--with-media {
    grid-template-columns: minmax(0, 340px) minmax(0, 1fr);
  }
}

@media (min-width: 1080px) {
  .page-news .news-item--with-media:nth-child(even) {
    grid-template-columns: minmax(0, 1fr) minmax(0, 340px);
  }

  .page-news .news-item--with-media:nth-child(even) .news-item__media {
    grid-column: 2;
  }

  .page-news .news-item--with-media:nth-child(even) .news-item__text {
    grid-column: 1;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-news .scene-card,
  .page-news .reveal,
  .page-news .news-filters .chip,
  .page-news .cadence-links a {
    transition: none;
  }

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

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