.page-news {
  --pn-line: var(--rule);
  --pn-wash: rgba(169, 207, 224, .28);
  --pn-wash-soft: rgba(169, 207, 224, .14);
  --pn-ring: rgba(18, 69, 122, .16);
  --pn-muted: #56718A;
  display: block;
  padding-bottom: clamp(56px, 9vw, 104px);
  color: var(--body-text);
  background: var(--paper);
}

.page-news .num {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
}

/* ---------- 面包屑 ---------- */
.page-news .crumb {
  padding: clamp(18px, 3.4vw, 28px) 0 clamp(14px, 2.4vw, 20px);
}

/* ---------- 首屏框景 ---------- */
.page-news .news-hero {
  padding-bottom: clamp(44px, 7vw, 80px);
}

.page-news .news-hero__frame {
  position: relative;
  border: 1px solid var(--pn-line);
  background: var(--sheet);
  padding: clamp(34px, 6vw, 60px) clamp(20px, 4vw, 48px) clamp(26px, 4vw, 44px);
}

.page-news .news-hero__timeline {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 14px;
  display: flex;
  gap: 0;
  border-bottom: 1px solid var(--pn-line);
}

.page-news .news-hero__seg {
  flex: 1 1 0;
  background-image: repeating-linear-gradient(to right, var(--pn-line) 0 1px, transparent 1px 12px);
  background-repeat: repeat-x;
  background-position: left bottom;
  background-size: 100% 7px;
}

.page-news .news-hero__seg:nth-child(1) { flex-grow: 3; }
.page-news .news-hero__seg:nth-child(2) { flex-grow: 3; }
.page-news .news-hero__seg:nth-child(3) { flex-grow: 2; }
.page-news .news-hero__seg:nth-child(4) { flex-grow: 2; }

.page-news .news-hero__title {
  margin: clamp(10px, 2vw, 18px) 0 0;
  font-family: var(--font-serif);
  font-weight: 600;
  font-size: clamp(30px, 4.6vw, 52px);
  line-height: 1.16;
  letter-spacing: -0.01em;
  color: var(--ink);
  max-width: 20ch;
}

.page-news .news-hero__lede {
  margin: clamp(16px, 2.6vw, 24px) 0 0;
  font-size: 16px;
  line-height: 1.78;
  color: var(--body-text);
  max-width: 60ch;
}

.page-news .news-hero__stats {
  display: flex;
  flex-wrap: wrap;
  gap: clamp(22px, 5vw, 60px);
  margin-top: clamp(26px, 4vw, 42px);
  padding-top: clamp(20px, 3vw, 28px);
  border-top: 1px solid var(--pn-line);
}

.page-news .news-stat {
  flex: 1 1 220px;
  min-width: 0;
}

.page-news .news-stat__value {
  display: inline-block;
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: clamp(40px, 8vw, 64px);
  line-height: 1;
  letter-spacing: -0.03em;
  color: var(--cobalt);
}

.page-news .news-stat--lead .news-stat__value {
  color: var(--gold);
}

.page-news .news-stat__unit {
  margin-left: 6px;
  font-family: var(--font-mono);
  font-size: 14px;
  color: var(--pn-muted);
}

.page-news .news-stat__note {
  margin: 10px 0 0;
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--pn-muted);
  max-width: 34ch;
}

.page-news .news-hero__banner {
  position: relative;
  margin: clamp(22px, 3.6vw, 36px) 0 0;
  border: 1px solid var(--pn-line);
  background: var(--cobalt);
  overflow: hidden;
}

.page-news .news-hero__banner img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 5;
  object-fit: cover;
}

.page-news .news-hero__banner-cap {
  position: absolute;
  left: 0;
  bottom: 0;
  padding: 6px 12px;
  font-size: 11px;
  letter-spacing: .14em;
  color: var(--sheet);
  background: rgba(11, 27, 43, .68);
}

/* ---------- 更新节奏 ---------- */
.page-news .news-rhythm {
  padding-bottom: clamp(44px, 7vw, 80px);
}

.page-news .news-rhythm__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(20px, 3vw, 48px);
  padding-top: clamp(24px, 3.4vw, 36px);
  border-top: 1px solid var(--pn-line);
}

.page-news .news-rhythm__title {
  margin: 10px 0 0;
  font-family: var(--font-serif);
  font-weight: 600;
  font-size: clamp(24px, 3.2vw, 34px);
  line-height: 1.3;
  color: var(--ink);
  max-width: 18ch;
}

.page-news .news-rhythm__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0;
  border-top: 1px solid var(--pn-line);
}

.page-news .news-rhythm__item {
  display: grid;
  grid-template-columns: 30px minmax(0, 1fr);
  gap: 0 14px;
  padding: 16px 0;
  border-bottom: 1px solid var(--pn-line);
}

.page-news .news-rhythm__no {
  font-size: 12px;
  line-height: 1.9;
  color: var(--gold);
  letter-spacing: .06em;
}

.page-news .news-rhythm__item p {
  margin: 0;
  font-size: 15px;
  line-height: 1.78;
  color: var(--body-text);
  max-width: 58ch;
}

/* ---------- 条目流 ---------- */
.page-news .news-log {
  padding-bottom: clamp(44px, 7vw, 80px);
}

.page-news .section-head {
  padding-top: clamp(20px, 3vw, 32px);
  border-top: 1px solid var(--pn-line);
  margin-bottom: clamp(24px, 3.6vw, 40px);
}

.page-news .news-log__layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(24px, 4vw, 32px);
}

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

.page-news .news-log__rail .filter-bar {
  display: flex;
  flex-direction: column;
  border-top: 1px solid var(--pn-line);
}

.page-news .news-log__rail .filter-btn {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  width: 100%;
  padding: 12px 12px 12px 14px;
  border: 0;
  border-bottom: 1px solid var(--pn-line);
  border-left: 2px solid transparent;
  background: transparent;
  color: var(--body-text);
  font-family: var(--font-sans);
  font-size: 14px;
  line-height: 1.5;
  text-align: left;
  cursor: pointer;
  transition: background-color 180ms var(--ease), border-color 180ms var(--ease), color 180ms var(--ease);
}

.page-news .news-log__rail .filter-btn:hover {
  background: var(--pn-wash-soft);
}

.page-news .news-log__rail .filter-btn:focus-visible {
  outline: 2px solid var(--gold);
  outline-offset: -2px;
}

.page-news .news-log__rail .filter-btn[aria-pressed="true"],
.page-news .news-log__rail .filter-btn.is-active {
  border-left-color: var(--gold);
  background: var(--pn-wash);
  color: var(--ink);
  font-weight: 600;
}

.page-news .filter-btn__count {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: 12px;
  color: var(--cobalt);
}

.page-news .news-log__mark {
  margin: clamp(20px, 3vw, 28px) 0 0;
  border: 1px solid var(--pn-line);
  background: var(--sheet);
}

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

.page-news .news-log__mark figcaption {
  padding: 8px 12px;
  border-top: 1px solid var(--pn-line);
  font-size: 11.5px;
  letter-spacing: .1em;
  color: var(--pn-muted);
}

.page-news .news-log__list {
  min-width: 0;
  border-top: 1px solid var(--pn-line);
}

.page-news .news-item {
  position: relative;
  display: grid;
  grid-template-columns: 34px minmax(0, 1fr) 14px;
  gap: 0 12px;
  align-items: start;
  padding: clamp(18px, 2.4vw, 24px) 10px;
  margin: 0 -10px;
  border-bottom: 1px solid var(--pn-line);
  transition: background-color 180ms var(--ease);
}

.page-news .news-item:hover {
  background: var(--pn-wash-soft);
}

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

.page-news .news-item__no {
  padding-top: 3px;
  font-size: 12.5px;
  line-height: 1.6;
  letter-spacing: .06em;
  color: var(--lake);
}

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

.page-news .news-item__meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px 12px;
  margin-bottom: 8px;
}

.page-news .news-item__cat {
  display: inline-block;
  padding: 3px 8px;
  border: 1px solid var(--pn-ring);
  background: var(--pn-wash);
  color: var(--cobalt);
  font-size: 11px;
  line-height: 1.4;
  letter-spacing: .12em;
}

.page-news .news-item__time {
  font-size: 12px;
  letter-spacing: .04em;
  color: var(--pn-muted);
}

.page-news .news-item__title {
  margin: 0;
  font-family: var(--font-sans);
  font-size: clamp(16px, 2vw, 18px);
  font-weight: 600;
  line-height: 1.52;
  color: var(--ink);
  letter-spacing: .005em;
}

.page-news .news-item__desc {
  margin: 7px 0 0;
  font-size: 14.5px;
  line-height: 1.72;
  color: var(--body-text);
  max-width: 66ch;
}

.page-news .news-item__link {
  color: var(--lake);
  text-decoration: none;
  border-bottom: 1px solid rgba(46, 139, 184, .45);
}

.page-news .news-item__link:hover,
.page-news .news-item__link:focus-visible {
  color: var(--cobalt);
  border-bottom-color: var(--gold);
}

.page-news .news-item__pulse {
  justify-self: center;
  width: 8px;
  height: 8px;
  margin-top: 7px;
  border-radius: 50%;
  background: var(--lake);
  box-shadow: 0 0 0 3px rgba(46, 139, 184, .16);
  animation: pn-pulse 6.5s ease-in-out infinite;
}

@keyframes pn-pulse {
  0%, 100% { box-shadow: 0 0 0 3px rgba(46, 139, 184, .16); }
  50% { box-shadow: 0 0 0 8px rgba(46, 139, 184, 0); }
}

/* ---------- 专题系列 ---------- */
.page-news .news-series {
  padding-bottom: clamp(44px, 7vw, 80px);
}

.page-news .news-series__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(24px, 3.4vw, 40px);
}

.page-news .news-series__fig {
  margin: 0;
  border: 1px solid var(--pn-line);
  background: var(--sheet);
}

.page-news .news-series__fig img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 10 / 7;
  object-fit: cover;
}

.page-news .news-series__figcap {
  padding: 8px 12px;
  border-top: 1px solid var(--pn-line);
  font-size: 11.5px;
  letter-spacing: .1em;
  color: var(--pn-muted);
}

.page-news .news-series__col {
  display: grid;
  gap: clamp(20px, 3vw, 28px);
  align-content: start;
}

.page-news .news-series__card {
  padding: clamp(20px, 3vw, 28px) 0 0;
  border-top: 2px solid var(--cobalt);
}

.page-news .news-series__kicker {
  margin: 0 0 8px;
  font-size: 11px;
  letter-spacing: .18em;
  color: var(--pn-muted);
}

.page-news .news-series__name {
  margin: 0 0 12px;
  font-family: var(--font-serif);
  font-weight: 600;
  font-size: clamp(20px, 2.6vw, 26px);
  line-height: 1.3;
  color: var(--ink);
}

.page-news .news-series__text {
  margin: 0 0 10px;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--body-text);
  max-width: 56ch;
}

.page-news .news-series__facts {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 8px 28px;
  margin: 14px 0 0;
  padding: 12px 0 0;
  border-top: 1px solid var(--pn-line);
}

.page-news .news-series__facts li {
  display: flex;
  align-items: baseline;
  gap: 7px;
  font-size: 13px;
  color: var(--pn-muted);
}

.page-news .news-series__facts .num {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: 22px;
  line-height: 1;
  color: var(--gold);
}

/* ---------- 回溯与检索 ---------- */
.page-news .news-recall {
  padding-bottom: clamp(44px, 7vw, 80px);
}

.page-news .news-recall__frame {
  border: 1px solid var(--pn-line);
  background: var(--glass);
  padding: clamp(24px, 3.6vw, 40px) clamp(20px, 3.6vw, 44px) clamp(20px, 3vw, 32px);
  backdrop-filter: blur(6px);
}

.page-news .section-head--tight {
  padding-top: 0;
  border-top: 0;
  margin-bottom: clamp(18px, 2.6vw, 26px);
}

.page-news .news-recall__list {
  margin: 0;
  border-top: 1px solid var(--pn-line);
}

.page-news .news-recall__row {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 6px;
  padding: 16px 0;
  border-bottom: 1px solid var(--pn-line);
}

.page-news .news-recall__key {
  font-family: var(--font-sans);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: .08em;
  color: var(--cobalt);
}

.page-news .news-recall__val {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--body-text);
  max-width: 68ch;
}

/* ---------- 尾部氛围 ---------- */
.page-news .news-tail {
  position: relative;
  margin: 0;
  border-top: 1px solid var(--pn-line);
  border-bottom: 1px solid var(--pn-line);
  background: var(--ink);
}

.page-news .news-tail img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 1;
  object-fit: cover;
}

/* ---------- 响应式 ---------- */
@media (min-width: 760px) {
  .page-news .news-rhythm__grid {
    grid-template-columns: minmax(0, 4fr) minmax(0, 7fr);
    align-items: start;
  }

  .page-news .news-series__grid {
    grid-template-columns: minmax(0, 5fr) minmax(0, 6fr);
    align-items: start;
  }

  .page-news .news-recall__row {
    grid-template-columns: 148px minmax(0, 1fr);
    gap: 0 24px;
    align-items: baseline;
  }
}

@media (min-width: 980px) {
  .page-news .news-log__layout {
    grid-template-columns: 226px minmax(0, 1fr);
    gap: clamp(32px, 5vw, 72px);
  }

  .page-news .news-log__rail {
    position: sticky;
    top: 96px;
    align-self: start;
  }

  .page-news .news-log__mark {
    margin-top: clamp(24px, 3vw, 32px);
  }
}

@media (min-width: 1200px) {
  .page-news .news-hero__frame {
    padding-left: clamp(56px, 5vw, 72px);
    padding-right: clamp(56px, 5vw, 72px);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-news .news-item__pulse {
    animation: none;
  }

  .page-news .news-item,
  .page-news .news-log__rail .filter-btn {
    transition: none;
  }
}
<<<END>>>