.page-news {
  --news-rail: 54px;
  --news-side: 288px;
  --news-gap: clamp(20px, 3.2vw, 44px);
  padding-bottom: clamp(56px, 7vw, 96px);
}

.page-news .breadcrumb {
  padding-top: clamp(18px, 2.6vw, 30px);
}

/* ---------- 栏目头 ---------- */
.page-news .news-head {
  padding: clamp(20px, 3vw, 36px) 0 clamp(30px, 4.4vw, 54px);
  border-bottom: 1px solid var(--line);
}

.page-news .news-head__inner {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(22px, 3vw, 34px);
}

.page-news .news-head__rail {
  display: none;
}

.page-news .news-head__title {
  margin: 14px 0 0;
  font-size: clamp(31px, 5.6vw, 58px);
  line-height: 1.08;
  letter-spacing: -.025em;
  font-weight: 900;
  color: var(--cream);
}

.page-news .news-head__dek {
  margin: 18px 0 0;
  max-width: 48ch;
  font-size: clamp(15px, 1.5vw, 17px);
  line-height: 1.85;
  color: var(--mist);
}

.page-news .news-head__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 20px;
  margin-top: 24px;
  padding-top: 16px;
  border-top: 1px solid var(--line);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .04em;
  color: var(--mist);
}

.page-news .news-head__meta span {
  position: relative;
  padding-left: 14px;
}

.page-news .news-head__meta span::before {
  content: "";
  position: absolute;
  left: 0;
  top: .62em;
  width: 8px;
  height: 1px;
  background: var(--pulse);
}

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

.page-news .media__img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.page-news .news-head__figure .media {
  aspect-ratio: 16 / 9;
  overflow: hidden;
}

/* ---------- 分类索引带 ---------- */
.page-news .news-cats {
  padding: clamp(16px, 2.4vw, 24px) 0;
  border-bottom: 1px solid var(--line);
}

.page-news .news-cats__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 10px 12px;
}

.page-news .news-cat {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 7px 12px 7px 10px;
  background: var(--ink-800);
  clip-path: var(--clip-tag);
}

.page-news .news-cat__desc {
  font-size: 12px;
  line-height: 1.5;
  color: var(--mist);
}

/* ---------- 主体网格 ---------- */
.page-news .news-body {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(34px, 5vw, 60px);
  padding-top: clamp(32px, 4.5vw, 56px);
}

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

.page-news .news-section + .news-section {
  margin-top: clamp(38px, 5vw, 68px);
}

.page-news .sec-head {
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--line-strong);
  margin-bottom: clamp(20px, 3vw, 30px);
}

.page-news .sec-head__no {
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--pulse);
}

.page-news .sec-head__title {
  margin: 0;
  font-size: clamp(21px, 3vw, 29px);
  font-weight: 800;
  letter-spacing: -.01em;
  color: var(--cream);
}

.page-news .sec-head__note {
  margin-left: auto;
  font-size: 11px;
  letter-spacing: .06em;
  color: var(--mist);
  white-space: nowrap;
}

/* ---------- 精选条目 ---------- */
.page-news .featured {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(18px, 2.6vw, 28px);
  padding: clamp(18px, 2.6vw, 32px);
  clip-path: var(--clip-card);
  background:
    linear-gradient(135deg, rgba(255, 122, 47, .12), transparent 46%),
    var(--ink-800);
  margin-bottom: clamp(24px, 3.4vw, 38px);
}

.page-news .featured__meta {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}

.page-news .featured__time {
  font-size: 12px;
  letter-spacing: .05em;
  color: var(--mist);
}

.page-news .featured__title {
  margin: 12px 0 0;
  font-size: clamp(20px, 2.7vw, 28px);
  line-height: 1.35;
  font-weight: 800;
  letter-spacing: -.01em;
  color: var(--cream);
}

.page-news .featured__lede {
  margin: 12px 0 20px;
  font-size: 15px;
  line-height: 1.85;
  color: var(--mist);
}

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

.page-news .featured__figure .media {
  aspect-ratio: 5 / 3;
  overflow: hidden;
}

/* ---------- 条目流 ---------- */
.page-news .feed {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--line);
}

.page-news .feed__item {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 12px;
  padding: clamp(18px, 2.4vw, 26px) 0;
  border-bottom: 1px solid var(--line);
}

.page-news .feed__no {
  font-size: 12px;
  line-height: 1.9;
  color: var(--mist);
  opacity: .75;
}

.page-news .feed__meta {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px;
}

.page-news .feed__time {
  font-size: 11px;
  letter-spacing: .05em;
  color: var(--mist);
}

.page-news .feed__title {
  margin: 8px 0 0;
  font-size: clamp(16px, 2vw, 21px);
  line-height: 1.5;
  font-weight: 700;
}

.page-news .feed__title a {
  color: var(--cream);
  text-decoration: none;
  background-image: linear-gradient(var(--pulse), var(--pulse));
  background-repeat: no-repeat;
  background-size: 0% 1px;
  background-position: 0 1.36em;
  transition: background-size .22s ease, color .22s ease;
}

.page-news .feed__title a:hover,
.page-news .feed__title a:focus-visible {
  color: var(--pulse);
  background-size: 100% 1px;
}

.page-news .feed__excerpt {
  margin: 8px 0 0;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--mist);
}

/* ---------- 专题系列 ---------- */
.page-news .topics {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(20px, 3vw, 34px);
}

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

.page-news .topics__figure .media {
  aspect-ratio: 3 / 2;
  overflow: hidden;
  border-top: 2px solid var(--clay);
}

.page-news .topics__cap,
.page-news .cadence__cap {
  display: block;
  margin-top: 10px;
  font-size: 11px;
  letter-spacing: .06em;
  color: var(--mist);
}

.page-news .topic-list {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--line);
}

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

.page-news .topic-item__no {
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--clay);
  padding-top: 3px;
}

.page-news .topic-item__title {
  margin: 0;
  font-size: 17px;
  font-weight: 700;
  color: var(--cream);
}

.page-news .topic-item__desc {
  margin: 6px 0 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--mist);
}

/* ---------- 更新节奏 ---------- */
.page-news .cadence {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(22px, 3vw, 38px);
}

.page-news .cadence__body p {
  margin: 0 0 14px;
  font-size: 15px;
  line-height: 1.85;
  color: var(--mist);
}

.page-news .cadence__stats {
  list-style: none;
  margin: 24px 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  background: var(--line);
  clip-path: var(--clip-card);
}

.page-news .cadence__stats li {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 14px 16px 16px;
  background: var(--ink-800);
}

.page-news .cadence__num {
  font-size: clamp(24px, 3.4vw, 30px);
  font-weight: 900;
  letter-spacing: -.02em;
  line-height: 1.1;
  color: var(--cream);
}

.page-news .cadence__label {
  font-size: 11px;
  letter-spacing: .06em;
  color: var(--mist);
}

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

.page-news .cadence__figure .media {
  aspect-ratio: 3 / 2;
  overflow: hidden;
}

/* ---------- 侧栏 ---------- */
.page-news .news-side {
  min-width: 0;
}

.page-news .side-block + .side-block {
  margin-top: clamp(26px, 3.4vw, 38px);
}

.page-news .side-block__title {
  margin: 0 0 14px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--line);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--mist);
}

.page-news .side-toc {
  list-style: none;
  margin: 0;
  padding: 0;
  border-left: 1px solid var(--line);
}

.page-news .side-toc .toc-link {
  display: block;
  margin-left: -1px;
  padding: 9px 0 9px 16px;
  border-left: 2px solid transparent;
  font-size: 14px;
  color: var(--mist);
  text-decoration: none;
  transition: color .2s ease, border-color .2s ease;
}

.page-news .side-toc .toc-link:hover,
.page-news .side-toc .toc-link:focus-visible,
.page-news .side-toc .toc-link[aria-current="true"] {
  color: var(--cream);
  border-left-color: var(--pulse);
}

.page-news .side-tags {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.page-news .side-actions {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.page-news .side-actions .btn {
  width: 100%;
  text-align: center;
}

/* ---------- 响应式 ---------- */
@media (min-width: 760px) {
  .page-news .featured {
    grid-template-columns: minmax(0, 1.08fr) minmax(0, 1fr);
    align-items: center;
  }

  .page-news .cadence {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 1fr);
    align-items: center;
  }
}

@media (min-width: 900px) {
  .page-news .news-head__inner {
    grid-template-columns: var(--news-rail) minmax(0, 5fr) minmax(0, 7fr);
    gap: var(--news-gap);
    align-items: start;
  }

  .page-news .news-head__rail {
    display: flex;
    justify-content: center;
    align-self: stretch;
    padding-top: 6px;
    border-right: 1px solid var(--line);
  }

  .page-news .news-head__rail-text {
    writing-mode: vertical-rl;
    font-size: 10px;
    letter-spacing: .34em;
    color: var(--mist);
    opacity: .8;
  }

  .page-news .topics {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    align-items: start;
  }
}

@media (min-width: 1000px) {
  .page-news .news-body {
    grid-template-columns: minmax(0, 1fr) var(--news-side);
    align-items: start;
  }

  .page-news .news-side {
    position: sticky;
    top: 24px;
  }
}

@media (max-width: 479px) {
  .page-news .sec-head {
    flex-wrap: wrap;
  }

  .page-news .sec-head__note {
    margin-left: 0;
    width: 100%;
  }

  .page-news .feed__item {
    grid-template-columns: minmax(0, 1fr);
    gap: 6px;
  }

  .page-news .feed__no {
    line-height: 1.4;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-news * {
    transition: none !important;
    animation: none !important;
  }
}
<<<END>>>