.page-news {
  --news-line: rgba(30, 92, 76, 0.42);
  --news-line-soft: rgba(30, 92, 76, 0.24);
  position: relative;
  padding-bottom: clamp(56px, 9vw, 110px);
  background:
    radial-gradient(900px 460px at 88% -6%, rgba(67, 242, 210, 0.10), transparent 62%),
    radial-gradient(640px 420px at -4% 26%, rgba(255, 90, 43, 0.06), transparent 60%);
  background-repeat: no-repeat;
}

.page-news h1,
.page-news h2,
.page-news h3,
.page-news p,
.page-news figure {
  margin: 0;
}

.page-news ul,
.page-news ol {
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-news a {
  text-decoration: none;
}

/* ===== 页头叙事 ===== */
.page-news .news-masthead {
  display: grid;
  gap: 14px;
  padding-top: clamp(22px, 5vw, 48px);
}

.page-news .news-masthead .breadcrumbs {
  margin-bottom: 2px;
}

.page-news .news-masthead__lede {
  max-width: 780px;
}

/* ===== 通栏主图 ===== */
.page-news .news-banner {
  margin-top: clamp(22px, 4vw, 40px);
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--news-line-soft);
}

.page-news .news-banner img,
.page-news .news-pinned__media img,
.page-news .news-inline img,
.page-news .news-cadence__media img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: 100%;
  object-fit: cover;
}

/* ===== 置顶公告 ===== */
.page-news .news-pinned-wrap {
  margin-top: clamp(28px, 5vw, 54px);
}

.page-news .news-pinned {
  display: grid;
  gap: clamp(20px, 3vw, 36px);
  grid-template-columns: minmax(0, 1fr);
  border-left: 4px solid var(--signal-500);
  padding-left: clamp(16px, 3vw, 32px);
}

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

.page-news .news-pinned__title {
  margin-top: 14px;
}

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

.page-news .news-pinned__more {
  margin-top: 18px;
  padding-top: 14px;
  border-top: 1px solid var(--news-line-soft);
}

.page-news .news-pinned__more summary {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  cursor: pointer;
  list-style: none;
  color: var(--mint-400);
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.04em;
}

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

.page-news .news-pinned__more summary::before {
  content: "+";
  display: grid;
  place-items: center;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  border: 1px solid var(--line);
  font-size: 14px;
  line-height: 1;
}

.page-news .news-pinned__more[open] summary::before {
  content: "−";
}

.page-news .news-pinned__detail {
  display: grid;
  gap: 10px;
  margin-top: 16px;
}

.page-news .news-pinned__detail li {
  display: grid;
  grid-template-columns: 16px minmax(0, 1fr);
  gap: 12px;
  font-size: 15px;
  line-height: 1.75;
  color: var(--mist-400);
}

.page-news .news-pinned__detail li::before {
  content: "";
  width: 14px;
  height: 1px;
  margin-top: 12px;
  background: var(--mint-400);
}

.page-news .news-pinned__actions {
  margin-top: 20px;
}

.page-news .news-pinned__media {
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid var(--news-line-soft);
}

@media (min-width: 900px) {
  .page-news .news-pinned {
    grid-template-columns: minmax(0, 1.12fr) minmax(0, 0.88fr);
    align-items: center;
  }
}

/* ===== 分类 + 公告流 ===== */
.page-news .news-rail {
  margin-top: clamp(40px, 7vw, 78px);
  display: grid;
  gap: clamp(20px, 3vw, 40px);
  grid-template-columns: minmax(0, 1fr);
}

.page-news .news-filters__label {
  margin-bottom: 12px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--mist-400);
}

.page-news .news-filters__list {
  display: flex;
  gap: 8px;
  overflow-x: auto;
  padding-bottom: 4px;
  scrollbar-width: none;
  -webkit-overflow-scrolling: touch;
}

.page-news .news-filters__list::-webkit-scrollbar {
  display: none;
}

.page-news .chip {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 16px;
  border-radius: var(--radius-pill);
  border: 1px solid var(--news-line);
  color: var(--mist-400);
  font-size: 14px;
  white-space: nowrap;
  transition: color 200ms var(--ease), background-color 200ms var(--ease), border-color 200ms var(--ease);
}

.page-news .chip__count {
  font-family: var(--font-mono);
  font-size: 11px;
  opacity: 0.75;
}

.page-news .chip:hover,
.page-news .chip:focus-visible {
  color: var(--ink-950);
  background-color: var(--mint-400);
  border-color: var(--mint-400);
}

@media (min-width: 900px) {
  .page-news .news-rail {
    grid-template-columns: 208px minmax(0, 1fr);
    align-items: start;
  }

  .page-news .news-filters {
    position: sticky;
    top: calc(var(--header-h) + 22px);
  }

  .page-news .news-filters__list {
    flex-direction: column;
    overflow: visible;
    padding-bottom: 0;
  }

  .page-news .chip {
    justify-content: space-between;
    width: 100%;
    padding: 10px 18px;
  }
}

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

.page-news .news-stream__head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 8px 16px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--news-line);
}

.page-news .news-stream__count {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--mist-400);
}

.page-news .news-list {
  border-bottom: 1px solid var(--news-line-soft);
}

.page-news .news-list--cont {
  border-bottom: 0;
}

.page-news .news-item {
  display: grid;
  gap: 8px;
  padding: 20px 0;
  border-bottom: 1px solid var(--news-line-soft);
}

.page-news .news-item:last-child {
  border-bottom: 0;
}

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

.page-news .news-item__time {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--mist-400);
}

.page-news .news-item__title {
  font-size: clamp(17px, 2.1vw, 21px);
  font-weight: 700;
  line-height: 1.45;
  letter-spacing: -0.01em;
}

.page-news .news-item__title a {
  color: var(--mist-50);
  transition: color 180ms var(--ease);
}

.page-news .news-item__title a:hover,
.page-news .news-item__title a:focus-visible {
  color: var(--mint-400);
}

.page-news .news-item__excerpt {
  font-size: 15px;
  line-height: 1.75;
  color: var(--mist-400);
  max-width: 64ch;
}

.page-news .news-inline {
  margin: 24px 0;
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid var(--news-line-soft);
}

/* ===== 刷新节奏 ===== */
.page-news .news-cadence {
  margin-top: clamp(44px, 7vw, 84px);
  display: grid;
  gap: clamp(20px, 3vw, 38px);
  grid-template-columns: minmax(0, 1fr);
}

.page-news .news-cadence__media {
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid var(--news-line-soft);
}

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

.page-news .cadence-list {
  margin-top: 24px;
  border-top: 1px solid var(--news-line-soft);
}

.page-news .cadence-list li {
  display: grid;
  grid-template-columns: 92px minmax(0, 1fr);
  gap: 16px;
  padding: 18px 0;
  border-bottom: 1px solid var(--news-line-soft);
  align-items: start;
}

.page-news .cadence-list__num {
  font-family: var(--font-mono);
  font-size: 26px;
  font-weight: 600;
  line-height: 1.1;
  letter-spacing: -0.02em;
  color: var(--mint-400);
}

.page-news .cadence-list__num em {
  display: block;
  margin-top: 4px;
  font-style: normal;
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--mist-400);
}

.page-news .cadence-list h3 {
  font-size: 16px;
  font-weight: 700;
  margin-bottom: 6px;
}

.page-news .cadence-list p {
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--mist-400);
}

@media (min-width: 880px) {
  .page-news .news-cadence {
    grid-template-columns: minmax(0, 0.78fr) minmax(0, 1.22fr);
    align-items: center;
  }
}

/* ===== 新旧对照 ===== */
.page-news .news-legacy {
  margin-top: clamp(44px, 7vw, 84px);
}

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

.page-news .compare {
  margin-top: 22px;
  border: 1px solid var(--news-line);
  border-radius: var(--radius-md);
  overflow: hidden;
  background-color: rgba(12, 32, 27, 0.62);
}

.page-news .compare__row {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 6px;
  padding: 15px 18px;
  border-bottom: 1px solid var(--news-line-soft);
}

.page-news .compare__row:last-child {
  border-bottom: 0;
}

.page-news .compare__old {
  font-size: 14.5px;
  line-height: 1.65;
  color: var(--mist-400);
}

.page-news .compare__old::before {
  content: "旧版 · ";
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--amber-400);
}

.page-news .compare__new {
  font-size: 15px;
  line-height: 1.65;
  color: var(--mist-50);
}

.page-news .compare__new::before {
  content: "V2.0 · ";
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--mint-400);
}

@media (min-width: 780px) {
  .page-news .compare__row {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.1fr);
    gap: 26px;
    align-items: center;
    padding: 16px 22px;
  }

  .page-news .compare__old::before,
  .page-news .compare__new::before {
    display: block;
    margin-bottom: 4px;
  }
}

/* ===== 线索与更正 ===== */
.page-news .news-contribute {
  margin-top: clamp(44px, 7vw, 84px);
}

.page-news .news-contribute__panel {
  border: 1px solid var(--news-line);
  border-radius: var(--radius-lg);
  padding: clamp(22px, 4vw, 44px);
  background-image:
    radial-gradient(620px 300px at 100% 0%, rgba(67, 242, 210, 0.10), transparent 62%);
  background-color: rgba(12, 32, 27, 0.72);
  background-repeat: no-repeat;
}

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

.page-news .contribute-grid {
  display: grid;
  gap: 16px;
  margin-top: 24px;
  grid-template-columns: minmax(0, 1fr);
}

.page-news .contribute-card {
  padding-top: 14px;
  border-top: 1px solid var(--news-line);
}

.page-news .contribute-card h3 {
  font-size: 16px;
  font-weight: 700;
  margin-bottom: 6px;
  color: var(--mint-300);
}

.page-news .contribute-card p {
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--mist-400);
}

.page-news .news-contribute__actions {
  margin-top: 26px;
}

@media (min-width: 720px) {
  .page-news .contribute-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 20px 28px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-news .chip,
  .page-news .news-item__title a {
    transition: none;
  }
}
<<<END>>>