.page-news {
  --pn-gap: clamp(20px, 3.2vw, 38px);
  --pn-pad: clamp(20px, 2.8vw, 30px);
  --pn-radius: 3px;
}

/* ---------- 面包屑 ---------- */
.page-news .breadcrumb {
  margin-bottom: clamp(16px, 2.4vw, 26px);
}

/* ---------- 首屏 ---------- */
.page-news .news-hero__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--pn-gap);
  align-items: end;
}

.page-news .news-hero__lead {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

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

.page-news .news-hero__figure {
  margin: 0;
}

.page-news .news-hero__stats {
  list-style: none;
  margin: var(--pn-gap) 0 0;
  padding: clamp(16px, 2.2vw, 22px) 0 0;
  border-top: 1px solid var(--line);
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px 20px;
}

.page-news .news-hero__stats li {
  display: flex;
  flex-direction: column;
  gap: 4px;
  min-width: 0;
}

.page-news .news-hero__num {
  font-size: clamp(22px, 2.6vw, 30px);
  line-height: 1.1;
  color: var(--gold-bright);
  letter-spacing: 0.02em;
}

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

/* ---------- 总览 ---------- */
.page-news .news-overview .lede {
  margin-top: 12px;
}

.page-news .overview-grid {
  margin-top: var(--pn-gap);
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}

.page-news .overview-cell {
  background-color: var(--ink-night);
  padding: var(--pn-pad);
  display: flex;
  flex-direction: column;
  gap: 10px;
  min-width: 0;
}

.page-news .overview-cell__index {
  margin: 0;
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--gold-dark);
}

.page-news .overview-cell .h-sub {
  margin: 0;
}

.page-news .overview-cell .muted {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.7;
}

/* ---------- 双轴筛选 ---------- */
.page-news .news-filter .lede {
  margin-top: 12px;
  max-width: 62ch;
}

.page-news .filter-axis {
  margin-top: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 10px;
  padding: 18px 0;
  border-top: 1px solid var(--line);
}

.page-news .news-filter .filter-axis:first-of-type {
  margin-top: clamp(20px, 2.6vw, 30px);
}

.page-news .filter-axis--time {
  border-bottom: 1px solid var(--line);
}

.page-news .filter-axis__label {
  margin: 0;
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--slate);
}

.page-news .filter-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.page-news .chip {
  display: inline-flex;
  align-items: center;
  min-height: 42px;
  padding: 0 16px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--surface-2);
  color: var(--mist);
  font-size: 14px;
  line-height: 1;
  text-decoration: none;
  white-space: nowrap;
  transition: border-color var(--t-fast), background-color var(--t-fast), color var(--t-fast);
}

.page-news .chip:hover,
.page-news .chip:focus-visible {
  border-color: var(--line-strong);
  background: rgba(212, 175, 55, 0.1);
  color: var(--gold-bright);
}

.page-news .filter-note {
  margin: 14px 0 0;
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--slate);
}

/* ---------- 专题系列 ---------- */
.page-news .topic-layout {
  margin-top: var(--pn-gap);
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--pn-gap);
  align-items: start;
}

.page-news .news-topics__figure {
  margin: 0;
}

.page-news .topic-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}

.page-news .topic-item {
  background-color: var(--ink-night);
  padding: var(--pn-pad);
  display: flex;
  flex-direction: column;
  gap: 10px;
  min-width: 0;
  transition: background-color var(--t-fast);
}

.page-news .topic-item:hover {
  background-color: var(--ink-deep);
}

.page-news .topic-item__idx {
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--jade);
}

.page-news .topic-item .h-sub {
  margin: 0;
}

.page-news .topic-item .muted {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.7;
}

.page-news .topic-item .tag {
  align-self: flex-start;
}

/* ---------- 案例列表 ---------- */
.page-news .filter-anchors {
  position: relative;
  height: 0;
}

.page-news .filter-anchor {
  display: block;
  height: 0;
  overflow: hidden;
  scroll-margin-top: 96px;
}

.page-news .case-feature {
  margin-top: var(--pn-gap);
  padding: var(--pn-pad);
  border: 1px solid var(--line-strong);
  border-radius: var(--pn-radius);
  background-color: var(--ink-deep);
  background-image: var(--scale-tex);
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--pn-gap);
  align-items: center;
}

.page-news .case-feature__figure {
  margin: 0;
}

.page-news .case-feature__body {
  display: flex;
  flex-direction: column;
  gap: 10px;
  min-width: 0;
}

.page-news .case-feature__body .h-sub {
  margin: 0;
}

.page-news .case-feature__body .muted {
  margin: 0;
  font-size: 15px;
  line-height: 1.75;
}

.page-news .case-feature__time {
  margin: 0;
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--slate);
}

.page-news .case-grid {
  margin-top: var(--pn-gap);
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--pn-gap);
}

.page-news .case-item {
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: var(--pn-pad);
  border: 1px solid var(--line);
  border-radius: var(--pn-radius);
  background-color: var(--ink-night);
  background-image:
    var(--scale-tex),
    linear-gradient(158deg, rgba(27, 58, 92, 0.42), rgba(10, 22, 38, 0.92));
  box-shadow: var(--shadow-soft);
  min-width: 0;
  transition: border-color var(--t-mid), transform var(--t-mid);
}

.page-news .case-item:hover,
.page-news .case-item:focus-within {
  border-color: var(--line-strong);
  transform: translateY(-3px);
}

.page-news .case-item__head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.page-news .case-item__time {
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--slate);
  white-space: nowrap;
}

.page-news .case-item__title {
  margin: 0;
  font-family: var(--font-serif);
  font-size: clamp(16.5px, 1.6vw, 19px);
  font-weight: 500;
  line-height: 1.55;
  color: var(--mist);
}

.page-news .case-item__text {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.72;
  color: var(--slate);
}

.page-news .case-item__brief {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--jade);
  max-height: 0;
  opacity: 0;
  overflow: hidden;
  transition: max-height var(--t-mid), opacity var(--t-mid);
}

.page-news .case-item__meta {
  margin: auto 0 0;
  padding-top: 14px;
  border-top: 1px solid var(--line);
  display: grid;
  gap: 5px;
}

.page-news .case-item__meta div {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  font-size: 13px;
  line-height: 1.6;
}

.page-news .case-item__meta dt {
  color: var(--slate);
  flex: 0 0 auto;
}

.page-news .case-item__meta dd {
  margin: 0;
  color: var(--mist);
  text-align: right;
  min-width: 0;
}

/* 双轴筛选：命中锚点后收起不匹配的条目 */
.page-news:has(#f-retail:target) .case-item:not(.case-item--retail),
.page-news:has(#f-tech:target) .case-item:not(.case-item--tech),
.page-news:has(#f-mfg:target) .case-item:not(.case-item--mfg),
.page-news:has(#f-culture:target) .case-item:not(.case-item--culture),
.page-news:has(#f-edu:target) .case-item:not(.case-item--edu),
.page-news:has(#f-health:target) .case-item:not(.case-item--health),
.page-news:has(#f-finance:target) .case-item:not(.case-item--finance),
.page-news:has(#f-logistics:target) .case-item:not(.case-item--logistics),
.page-news:has(#f-recent:target) .case-item:not(.case-item--recent),
.page-news:has(#f-quarter:target) .case-item:not(.case-item--quarter),
.page-news:has(#f-archive:target) .case-item:not(.case-item--archive) {
  display: none;
}

/* ---------- 结尾动作 ---------- */
.page-news .news-next {
  margin-top: clamp(22px, 3vw, 32px);
  padding-top: 20px;
  border-top: 1px solid var(--line);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 14px;
}

.page-news .news-next .muted {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.7;
  flex: 1 1 260px;
  min-width: 0;
}

/* ---------- 更新节奏 ---------- */
.page-news .news-cadence__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--pn-gap);
  align-items: center;
}

.page-news .news-cadence .lede {
  margin-top: 12px;
}

.page-news .cadence-list {
  list-style: none;
  margin: 22px 0 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-news .cadence-list li {
  display: grid;
  grid-template-columns: 20px minmax(0, 1fr);
  gap: 12px;
  font-size: 14.5px;
  line-height: 1.7;
  color: var(--mist);
}

.page-news .cadence-list li::before {
  content: "";
  width: 8px;
  height: 8px;
  margin-top: 9px;
  border-radius: 50%;
  background: var(--jade);
  box-shadow: 0 0 0 4px rgba(58, 175, 169, 0.14);
}

.page-news .news-cadence__figure {
  margin: 0;
}

.page-news .news-cadence .news-next {
  margin-top: 24px;
  padding-top: 20px;
  border-top: 1px solid var(--line);
  gap: 10px;
}

/* ---------- 图片自适应 ---------- */
.page-news img {
  max-width: 100%;
  height: auto;
  display: block;
}

.page-news .media-frame img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* ---------- 断点 ---------- */
@media (min-width: 641px) {
  .page-news .news-hero__stats {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

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

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

@media (min-width: 768px) {
  .page-news .filter-axis {
    grid-template-columns: 84px minmax(0, 1fr);
    align-items: start;
    gap: 20px;
  }

  .page-news .filter-axis__label {
    padding-top: 13px;
  }

  .page-news .case-feature {
    grid-template-columns: minmax(0, 0.82fr) minmax(0, 1.18fr);
  }
}

@media (min-width: 900px) {
  .page-news .topic-layout {
    grid-template-columns: minmax(0, 0.78fr) minmax(0, 1.22fr);
    align-items: start;
  }

  .page-news .news-cadence__grid {
    grid-template-columns: minmax(0, 1.08fr) minmax(0, 0.92fr);
  }
}

@media (min-width: 1025px) {
  .page-news .news-hero__grid {
    grid-template-columns: minmax(0, 1.02fr) minmax(0, 0.98fr);
  }

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

@media (min-width: 1100px) {
  .page-news .case-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

/* ---------- 触屏与低动态偏好 ---------- */
@media (max-width: 1024px) {
  .page-news .case-item__brief {
    max-height: none;
    opacity: 1;
  }
}

@media (min-width: 1025px) {
  .page-news .case-item:hover .case-item__brief,
  .page-news .case-item:focus-within .case-item__brief {
    max-height: 140px;
    opacity: 1;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-news .chip,
  .page-news .case-item,
  .page-news .case-item__brief,
  .page-news .topic-item {
    transition: none;
  }

  .page-news .case-item:hover,
  .page-news .case-item:focus-within {
    transform: none;
  }
}