.page-news {
  --news-block: clamp(52px, 7vw, 96px);
  --news-hair: 2px solid var(--ud-line);
  display: block;
  background: var(--ud-ink);
  color: var(--ud-white);
  overflow-x: clip;
}

/* ---------- 首屏 ---------- */
.page-news .news-hero {
  position: relative;
  overflow: hidden;
  border-bottom: 3px solid var(--ud-line);
}
.page-news .news-hero__bg {
  position: absolute;
  inset: 0;
}
.page-news .news-hero__bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: .3;
  filter: saturate(.85);
}
.page-news .news-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: linear-gradient(180deg, rgba(7, 33, 27, .42) 0%, rgba(7, 33, 27, .85) 46%, var(--ud-ink) 100%);
}
.page-news .news-hero__inner {
  position: relative;
  z-index: 2;
  padding-top: calc(var(--ud-header-h) + clamp(44px, 8vw, 108px));
  padding-bottom: clamp(40px, 6vw, 76px);
}
.page-news .news-hero__title {
  margin: 16px 0 20px;
  max-width: 20ch;
  font-size: clamp(36px, 7.4vw, 96px);
  line-height: 1;
  letter-spacing: -.03em;
  font-weight: 800;
}
.page-news .news-hero__lede {
  max-width: 38ch;
  color: var(--ud-steel);
}
.page-news .news-hero__meta {
  margin-top: clamp(24px, 3vw, 36px);
  padding-top: 16px;
  border-top: var(--news-hair);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px 18px;
}
.page-news .news-hero__meta .ud-mono {
  color: var(--ud-orange);
  font-weight: 700;
  letter-spacing: .06em;
}
.page-news .news-hero__meta .ud-quiet {
  max-width: 46ch;
}

/* ---------- 通用区块 ---------- */
.page-news .news-block {
  padding: var(--news-block) 0;
}
.page-news .news-head {
  display: grid;
  gap: 10px;
  margin-bottom: clamp(24px, 3.5vw, 44px);
}
.page-news .news-head__lede {
  max-width: 40ch;
  color: var(--ud-steel);
}

/* ---------- 栏目索引 ---------- */
.page-news .news-cats__list {
  border-top: var(--news-hair);
}
.page-news .news-cat {
  border-bottom: var(--news-hair);
}
.page-news .news-cat[open] {
  background: var(--ud-cyan-06);
}
.page-news .news-cat__summary {
  position: relative;
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 8px 18px;
  padding: 20px 46px 20px 6px;
  cursor: pointer;
  list-style: none;
}
.page-news .news-cat__summary::-webkit-details-marker {
  display: none;
}
.page-news .news-cat__summary::after {
  content: "+";
  position: absolute;
  right: 8px;
  top: 50%;
  transform: translateY(-50%);
  font-family: var(--ud-font-mono);
  font-size: 22px;
  line-height: 1;
  color: var(--ud-cyan);
  transition: transform .24s var(--ud-ease);
}
.page-news .news-cat[open] .news-cat__summary::after {
  content: "–";
  transform: translateY(-50%) rotate(180deg);
}
.page-news .news-cat__num {
  font-size: 13px;
  letter-spacing: .12em;
  color: var(--ud-orange);
}
.page-news .news-cat__name {
  font-size: clamp(20px, 2.6vw, 28px);
  font-weight: 700;
  letter-spacing: -.01em;
}
.page-news .news-cat__hint {
  margin-left: auto;
  font-size: 13px;
  color: var(--ud-mute);
}
.page-news .news-cat__body {
  padding: 0 6px 24px;
  display: grid;
  gap: 14px;
}
.page-news .news-cat__body p {
  margin: 0;
  max-width: 40ch;
  color: var(--ud-steel);
}
.page-news .news-cat__points {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 8px;
}
.page-news .news-cat__points li {
  display: grid;
  grid-template-columns: 56px minmax(0, 1fr);
  gap: 12px;
  padding-top: 8px;
  border-top: 1px dashed var(--ud-line);
  font-size: 14px;
  line-height: 1.6;
}
.page-news .news-cat__points b {
  font-family: var(--ud-font-mono);
  font-weight: 500;
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--ud-cyan);
}

/* ---------- 条目时间线 ---------- */
.page-news .news-stream__grid {
  display: grid;
  gap: clamp(24px, 4vw, 46px);
}
.page-news .news-timeline__key {
  margin: 0 0 12px;
  font-size: 12px;
  letter-spacing: .14em;
  color: var(--ud-mute);
}
.page-news .news-timeline__list {
  list-style: none;
  margin: 0;
  padding: 12px 0 0;
  display: flex;
  gap: 10px;
  overflow-x: auto;
  border-top: var(--news-hair);
}
.page-news .news-timeline__item a {
  display: flex;
  align-items: baseline;
  gap: 8px;
  padding: 8px 12px;
  border: 2px solid var(--ud-line);
  border-radius: var(--ud-radius);
  color: var(--ud-steel);
  font-size: 13px;
  text-decoration: none;
  white-space: nowrap;
  transition: border-color .2s var(--ud-ease), color .2s var(--ud-ease), background .2s var(--ud-ease);
}
.page-news .news-timeline__item a:hover {
  color: var(--ud-white);
  border-color: var(--ud-cyan-45);
  background: var(--ud-cyan-06);
}
.page-news .news-timeline__item .ud-mono {
  color: var(--ud-orange);
  font-size: 12px;
}

.page-news .news-stream__entries {
  display: grid;
  gap: clamp(18px, 2.6vw, 30px);
}
.page-news .news-entry {
  display: grid;
  gap: 18px;
  padding: clamp(18px, 2.4vw, 28px);
  border: var(--news-hair);
  border-radius: var(--ud-radius);
  background: var(--ud-ink-2);
  scroll-margin-top: calc(var(--ud-header-h) + 96px);
  transition: border-color .24s var(--ud-ease), background .24s var(--ud-ease);
}
.page-news .news-entry:hover {
  border-color: var(--ud-cyan-45);
}
.page-news .news-entry__meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  margin-bottom: 12px;
}
.page-news .news-entry__meta .ud-mono {
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--ud-steel);
}
.page-news .news-entry__title {
  margin: 0 0 10px;
  font-size: clamp(19px, 2.1vw, 24px);
  line-height: 1.34;
  letter-spacing: -.01em;
}
.page-news .news-entry__text {
  margin: 0;
  max-width: 38ch;
  color: var(--ud-steel);
}
.page-news .news-entry__media {
  margin: 0;
  border: var(--news-hair);
  background: var(--ud-ink);
  align-self: start;
}
.page-news .news-entry__media img {
  display: block;
  width: 100%;
  height: auto;
}

.page-news .news-stream__foot {
  margin-top: clamp(28px, 4vw, 48px);
  padding: clamp(20px, 3vw, 30px);
  border: var(--news-hair);
  background: linear-gradient(120deg, var(--ud-ink-2) 0%, var(--ud-ink) 100%);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  box-shadow: var(--ud-shadow-hard);
}
.page-news .news-stream__foottext {
  margin: 0;
  max-width: 40ch;
  color: var(--ud-steel);
}
.page-news .news-stream__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

/* ---------- 筛选 ---------- */
.page-news .news-filter {
  border-top: var(--news-hair);
}
.page-news .news-rail {
  position: sticky;
  top: var(--ud-header-h);
  z-index: 7;
  background: rgba(14, 49, 40, .95);
  border-top: var(--news-hair);
  border-bottom: var(--news-hair);
}
.page-news .news-rail__inner {
  display: flex;
  align-items: center;
  gap: 14px;
  padding-top: 10px;
  padding-bottom: 10px;
}
.page-news .news-rail__key {
  font-size: 11px;
  letter-spacing: .16em;
  color: var(--ud-mute);
  flex: none;
}
.page-news .news-rail__list {
  display: flex;
  gap: 10px;
  margin: 0;
  padding: 4px 0;
  overflow-x: auto;
}
.page-news .news-chip {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 18px;
  border: 2px solid var(--ud-line);
  border-radius: 999px;
  background: transparent;
  color: var(--ud-steel);
  font: inherit;
  font-size: 14px;
  line-height: 1.2;
  cursor: pointer;
  white-space: nowrap;
  transition: color .2s var(--ud-ease), background .2s var(--ud-ease), border-color .2s var(--ud-ease), box-shadow .2s var(--ud-ease);
}
.page-news .news-chip:hover {
  color: var(--ud-white);
  border-color: var(--ud-cyan-45);
}
.page-news .news-chip.is-active {
  background: var(--ud-cyan);
  border-color: var(--ud-cyan);
  color: var(--ud-ink);
  box-shadow: 0 0 0 4px var(--ud-cyan-16);
}
.page-news .news-chip--sq {
  border-radius: 2px;
}

.page-news .news-panels {
  padding-top: clamp(24px, 4vw, 44px);
}
.page-news .news-panel {
  display: grid;
  gap: 14px;
}
.page-news .news-panel[hidden] {
  display: none;
}
.page-news .news-panel__note {
  margin: 0;
  max-width: 40ch;
  font-size: 14px;
  color: var(--ud-steel);
}
.page-news .news-rows {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: var(--news-hair);
}
.page-news .news-row {
  display: grid;
  grid-template-columns: 58px minmax(0, 1fr);
  gap: 14px;
  align-items: start;
  padding: 14px 6px;
  border-bottom: var(--news-hair);
  transition: background .2s var(--ud-ease), padding-left .2s var(--ud-ease);
}
.page-news .news-row:hover {
  background: var(--ud-cyan-06);
  padding-left: 14px;
}
.page-news .news-row__num {
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--ud-amber);
}
.page-news .news-row__label {
  display: inline-block;
  margin-right: 8px;
  font-weight: 700;
  color: var(--ud-white);
}
.page-news .news-row__meta {
  display: block;
  margin-top: 5px;
  font-size: 13px;
  line-height: 1.6;
  color: var(--ud-mute);
}

.page-news .news-stages {
  padding-top: clamp(40px, 6vw, 76px);
}
.page-news .news-stages__head {
  margin-bottom: clamp(16px, 2.4vw, 26px);
}
.page-news .news-chiprow {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 0 0 clamp(20px, 3vw, 30px);
  padding: 0;
}
.page-news .news-stages__panels {
  border-left: 3px solid var(--ud-line);
  padding-left: clamp(14px, 2.4vw, 26px);
}

/* ---------- 专题 ---------- */
.page-news .news-topics {
  border-top: var(--news-hair);
}
.page-news .news-topics__grid {
  display: grid;
  gap: clamp(22px, 3vw, 40px);
}
.page-news .news-topics__media {
  margin: 0;
  border: var(--news-hair);
  background: var(--ud-ink-2);
  box-shadow: var(--ud-shadow-soft);
}
.page-news .news-topics__media img {
  display: block;
  width: 100%;
  height: auto;
}
.page-news .news-topics__caption {
  padding: 12px 16px;
  border-top: var(--news-hair);
  font-size: 13px;
  line-height: 1.6;
  color: var(--ud-steel);
}
.page-news .news-topics__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: clamp(14px, 2vw, 22px);
}
.page-news .news-topic {
  display: grid;
  grid-template-columns: clamp(58px, 12vw, 96px) minmax(0, 1fr);
  grid-template-rows: auto auto;
  gap: 4px 18px;
  padding: clamp(16px, 2.4vw, 22px);
  border: var(--news-hair);
  background: var(--ud-ink-2);
  border-radius: var(--ud-radius);
  transition: border-color .24s var(--ud-ease), transform .24s var(--ud-ease);
}
.page-news .news-topic:hover {
  border-color: var(--ud-amber);
  transform: translateY(-3px);
}
.page-news .news-topic__num {
  grid-row: span 2;
  font-size: clamp(24px, 3.2vw, 38px);
  line-height: 1;
  letter-spacing: -.02em;
  color: var(--ud-amber);
}
.page-news .news-topic__title {
  margin: 0;
  font-size: clamp(18px, 2vw, 22px);
  letter-spacing: -.01em;
}
.page-news .news-topic__text {
  grid-column: 2;
  margin: 8px 0 0;
  max-width: 38ch;
  font-size: 14px;
  line-height: 1.7;
  color: var(--ud-steel);
}
.page-news .news-topic__count {
  grid-column: 2;
  margin-top: 10px;
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--ud-cyan);
}

/* ---------- 生产节奏 ---------- */
.page-news .news-rhythm {
  border-top: var(--news-hair);
}
.page-news .news-rhythm__grid {
  display: grid;
  gap: clamp(26px, 4vw, 48px);
}
.page-news .news-rhythm__copy p {
  max-width: 40ch;
  color: var(--ud-steel);
}
.page-news .news-rhythm__copy .ud-h2 {
  margin: 10px 0 16px;
}
.page-news .news-rhythm__links {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 22px;
}
.page-news .news-rhythm__stats {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 2px;
  border: var(--news-hair);
  background: var(--ud-line);
}
.page-news .news-stat {
  display: grid;
  align-content: start;
  gap: 8px;
  padding: clamp(16px, 2.4vw, 24px);
  background: var(--ud-ink-2);
}
.page-news .news-stat__num {
  font-size: clamp(20px, 3vw, 30px);
  line-height: 1;
  color: var(--ud-cyan);
  letter-spacing: -.01em;
}
.page-news .news-stat__label {
  font-size: 13px;
  line-height: 1.6;
  color: var(--ud-steel);
}

/* ---------- 响应式 ---------- */
@media (min-width: 760px) {
  .page-news .news-entry--media {
    grid-template-columns: minmax(0, 1fr) minmax(0, 300px);
    align-items: start;
  }
  .page-news .news-entry--media:nth-child(even) {
    grid-template-columns: minmax(0, 300px) minmax(0, 1fr);
  }
  .page-news .news-entry--media:nth-child(even) .news-entry__media {
    order: -1;
  }
}

@media (min-width: 960px) {
  .page-news .news-stream__grid {
    grid-template-columns: 200px minmax(0, 1fr);
    align-items: start;
  }
  .page-news .news-timeline {
    position: sticky;
    top: calc(var(--ud-header-h) + 92px);
  }
  .page-news .news-timeline__list {
    flex-direction: column;
    gap: 4px;
    padding: 0 0 0 14px;
    border-top: 0;
    border-left: var(--news-hair);
    overflow: visible;
  }
  .page-news .news-timeline__item a {
    padding: 6px 0;
    border: 0;
    border-radius: 0;
    white-space: normal;
  }
  .page-news .news-timeline__item a:hover {
    background: transparent;
  }
  .page-news .news-topics__grid {
    grid-template-columns: minmax(0, 380px) minmax(0, 1fr);
    align-items: start;
  }
  .page-news .news-rhythm__grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 420px);
    align-items: start;
  }
  .page-news .ud-section__head.news-head {
    grid-template-columns: minmax(0, 1fr);
  }
}

@media (min-width: 1200px) {
  .page-news .news-entry--media {
    grid-template-columns: minmax(0, 1fr) minmax(0, 340px);
  }
  .page-news .news-entry--media:nth-child(even) {
    grid-template-columns: minmax(0, 340px) minmax(0, 1fr);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-news .news-entry,
  .page-news .news-topic,
  .page-news .news-row,
  .page-news .news-chip,
  .page-news .news-cat__summary::after {
    transition: none;
  }
  .page-news .news-topic:hover {
    transform: none;
  }
}