.page-news {
  --news-rail-w: 232px;
  --news-gap: clamp(24px, 3.4vw, 52px);
}

.page-news .news-crumb__sep {
  margin: 0 8px;
  color: var(--slate);
}

/* ---------- 首屏 ---------- */
.page-news .news-hero {
  padding-block: clamp(36px, 6vw, 76px) clamp(24px, 3.4vw, 44px);
}

.page-news .news-hero__grid {
  display: grid;
  gap: clamp(16px, 2.6vw, 34px);
}

.page-news .news-hero__aside {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.page-news .news-hero__title {
  margin: 10px 0 18px;
  font-family: var(--font-head);
  font-weight: 900;
  font-size: clamp(40px, 9vw, 92px);
  line-height: 1.02;
  letter-spacing: -0.02em;
  color: var(--ice);
  text-wrap: balance;
}

.page-news .news-hero__lede {
  margin: 0;
  max-width: 46ch;
  color: var(--graphite);
  font-size: 17px;
  line-height: 1.85;
}

.page-news .news-hero__stats {
  display: flex;
  flex-wrap: wrap;
  gap: 18px clamp(22px, 4vw, 56px);
  margin: 30px 0 0;
  padding: 22px 0 0;
  list-style: none;
  border-top: 1px solid var(--line);
}

.page-news .news-hero__stats .stat {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.page-news .news-hero__stats .stat__value {
  font-family: var(--font-data);
  font-weight: 700;
  font-size: clamp(24px, 4vw, 34px);
  letter-spacing: 0.02em;
  color: var(--cyan);
}

.page-news .news-hero__stats .stat__label {
  font-size: 12px;
  color: var(--graphite);
}

/* ---------- 主分栏 ---------- */
.page-news .news-board {
  padding-block: clamp(28px, 4vw, 52px) clamp(56px, 8vw, 110px);
}

.page-news .news-layout {
  display: grid;
  gap: var(--news-gap);
}

.page-news .news-rail__title {
  margin: 0 0 14px;
  color: var(--violet);
}

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

.page-news .news-filter .filter-chip {
  position: relative;
  overflow: hidden;
}

.page-news .news-filter .filter-chip[aria-pressed="true"] {
  border-color: var(--cyan);
  color: var(--ice);
}

.page-news .news-filter .filter-chip[aria-pressed="true"]::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, transparent, rgba(52, 231, 228, 0.4), transparent);
  transform: translateX(-100%);
  animation: news-sweep 0.7s ease-out forwards;
  pointer-events: none;
}

@keyframes news-sweep {
  to { transform: translateX(100%); }
}

.page-news .news-filter__status {
  margin: 18px 0 0;
  font-family: var(--font-data);
  font-size: 12px;
  color: var(--graphite);
}

.page-news .news-filter__status .count-badge {
  color: var(--cyan);
}

.page-news .news-rail .filter-empty {
  margin: 12px 0 0;
  font-size: 13px;
  color: var(--orange);
}

.page-news .news-rail__note {
  margin: 26px 0 0;
  padding-top: 16px;
  border-top: 1px dashed var(--line-soft);
  font-size: 13px;
  line-height: 1.8;
  color: var(--graphite);
}

.page-news .news-rail__note a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(52, 231, 228, 0.45);
}

.page-news .news-stream {
  display: flex;
  flex-direction: column;
  gap: clamp(22px, 3vw, 40px);
  min-width: 0;
}

/* ---------- 头条 ---------- */
.page-news .news-feature {
  display: grid;
  gap: clamp(18px, 2.6vw, 30px);
  padding-bottom: clamp(22px, 3vw, 36px);
  border-bottom: 1px solid var(--line);
}

.page-news .news-feature__media {
  aspect-ratio: 3 / 2;
}

.page-news .news-feature__meta,
.page-news .news-item__meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px 14px;
}

.page-news .news-feature__title {
  margin: 14px 0 14px;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: clamp(30px, 6.6vw, 66px);
  line-height: 1.05;
  letter-spacing: -0.02em;
  color: var(--ice);
}

.page-news .news-feature__lede {
  margin: 0;
  max-width: 52ch;
  color: var(--graphite);
  line-height: 1.85;
}

.page-news .news-feature__data {
  display: flex;
  flex-wrap: wrap;
  gap: 16px clamp(24px, 3vw, 44px);
  margin: 24px 0 0;
  padding: 18px 0 0;
  list-style: none;
  border-top: 1px dashed var(--line-soft);
}

.page-news .news-feature__stat {
  display: flex;
  flex-direction: column;
  gap: 5px;
}

.page-news .news-feature__stat .data-num,
.page-news .news-feature__stat .data-num--down {
  font-family: var(--font-data);
  font-weight: 700;
  font-size: clamp(22px, 3.4vw, 32px);
  letter-spacing: 0.02em;
  color: var(--cyan);
}

.page-news .news-feature__stat .data-num--down {
  color: var(--orange);
}

/* ---------- 条目流 ---------- */
.page-news .news-item {
  display: grid;
  gap: 14px;
  padding-bottom: clamp(20px, 2.6vw, 32px);
  border-bottom: 1px dashed var(--line-soft);
  min-width: 0;
}

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

.page-news .news-item__thumb {
  aspect-ratio: 4 / 3;
  width: 100%;
}

.page-news .news-item__title {
  margin: 10px 0 8px;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: clamp(20px, 3.2vw, 27px);
  line-height: 1.28;
  letter-spacing: -0.01em;
  color: var(--ice);
}

.page-news .news-item__excerpt {
  margin: 0;
  max-width: 54ch;
  font-size: 15px;
  line-height: 1.8;
  color: var(--graphite);
}

.page-news .news-spark {
  width: 120px;
  height: auto;
  color: var(--slate);
  transform-origin: left center;
  transition: transform 0.35s ease, color 0.35s ease;
}

.page-news .news-spark polyline {
  fill: none;
  stroke: currentColor;
  stroke-width: 1.6;
  stroke-linejoin: round;
  stroke-linecap: round;
}

.page-news .news-spark__dot {
  fill: var(--violet);
  opacity: 0.4;
  transition: opacity 0.3s ease, fill 0.3s ease;
}

.page-news .news-item:hover .news-spark,
.page-news .news-item:focus-within .news-spark {
  transform: scale(1.08);
  color: var(--cyan);
}

.page-news .news-item:hover .news-spark--orange,
.page-news .news-item:focus-within .news-spark--orange {
  color: var(--orange);
}

.page-news .news-item:hover .news-spark__dot,
.page-news .news-item:focus-within .news-spark__dot {
  opacity: 1;
  fill: var(--cyan);
}

/* ---------- 版本与数据更新 ---------- */
.page-news .news-versions {
  padding-block: clamp(52px, 7vw, 104px);
}

.page-news .news-versions__grid {
  display: grid;
  gap: clamp(28px, 4vw, 56px);
}

.page-news .news-version {
  padding-bottom: 20px;
}

.page-news .news-version__time {
  margin: 0 0 8px;
  color: var(--orange);
}

.page-news .news-version__title {
  margin: 0 0 8px;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: clamp(18px, 2.4vw, 22px);
  line-height: 1.35;
  color: var(--ice);
}

.page-news .news-version__text {
  margin: 0;
  max-width: 46ch;
  font-size: 15px;
  line-height: 1.8;
  color: var(--graphite);
}

.page-news .news-versions__media {
  margin-top: clamp(28px, 4vw, 52px);
  aspect-ratio: 2 / 1;
}

/* ---------- 专题连载 ---------- */
.page-news .news-series {
  padding-block: clamp(52px, 7vw, 104px);
}

.page-news .news-series__head {
  margin-bottom: clamp(26px, 3.6vw, 46px);
}

.page-news .news-series__grid {
  display: grid;
  gap: clamp(16px, 2.4vw, 26px);
}

.page-news .series-card {
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: clamp(20px, 2.4vw, 28px);
  background: linear-gradient(158deg, var(--panel), var(--deep) 78%);
  grid-column: 1 / -1;
}

.page-news .series-card__kicker {
  margin: 0;
  color: var(--violet);
}

.page-news .series-card__title {
  margin: 0;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: clamp(21px, 2.8vw, 26px);
  letter-spacing: -0.01em;
  color: var(--ice);
}

.page-news .series-card__desc {
  margin: 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--graphite);
}

.page-news .series-card__bar {
  position: relative;
  height: 6px;
  margin-top: 6px;
  background: var(--slate);
  overflow: hidden;
  clip-path: polygon(8px 0, 100% 0, 100% 100%, 0 100%, 0 8px);
}

.page-news .series-card__fill {
  display: block;
  height: 100%;
  width: var(--fill, 0%);
  background: linear-gradient(90deg, var(--violet), var(--cyan));
}

.page-news .series-card__meta {
  margin: 0;
  font-family: var(--font-data);
  font-size: 12px;
  color: var(--graphite);
}

.page-news .series-card__meta .data-num {
  color: var(--cyan);
  font-weight: 700;
}

.page-news .series-card__next {
  margin: 0;
  font-size: 13px;
  color: var(--cyan);
  opacity: 0;
  transform: translateY(4px);
  transition: opacity 0.3s ease, transform 0.3s ease;
}

.page-news .series-card:hover .series-card__next,
.page-news .series-card:focus-within .series-card__next,
.page-news .series-card:focus .series-card__next {
  opacity: 1;
  transform: none;
}

/* ---------- 行动区 ---------- */
.page-news .news-cta {
  padding-block: clamp(48px, 6vw, 92px);
}

.page-news .news-cta__inner {
  display: grid;
  gap: clamp(22px, 3vw, 40px);
}

.page-news .news-cta__text .section-title {
  margin-bottom: 14px;
}

.page-news .news-cta__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.page-news .news-cta__foot {
  margin-top: clamp(20px, 3vw, 34px);
  padding-top: 18px;
  border-top: 1px dashed var(--line-soft);
}

.page-news .news-cta__foot a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(52, 231, 228, 0.45);
}

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .page-news .news-item {
    grid-template-columns: minmax(0, 1fr) 128px;
    align-items: center;
  }

  .page-news .news-item__thumb {
    grid-column: 1 / -1;
  }

  .page-news .news-item > .news-spark {
    justify-self: end;
  }
}

@media (min-width: 760px) {
  .page-news .news-feature {
    grid-template-columns: minmax(0, 0.86fr) minmax(0, 1.14fr);
    align-items: start;
  }

  .page-news .news-series__grid .series-card {
    grid-column: span 6;
  }

  .page-news .news-series__grid .series-card:first-child {
    grid-column: span 12;
  }
}

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

@media (min-width: 1000px) {
  .page-news .news-layout {
    grid-template-columns: var(--news-rail-w) minmax(0, 1fr);
  }

  .page-news .news-rail__sticky {
    position: sticky;
    top: 104px;
  }

  .page-news .news-filter {
    flex-direction: column;
    align-items: stretch;
  }

  .page-news .news-filter .filter-chip {
    text-align: left;
  }

  .page-news .news-feature__title {
    margin-right: clamp(-30px, -2.2vw, -6px);
  }

  .page-news .news-item--thumb {
    grid-template-columns: 172px minmax(0, 1fr) 128px;
  }

  .page-news .news-item--thumb .news-item__thumb {
    grid-column: auto;
    align-self: center;
  }

  .page-news .news-series__grid .series-card {
    grid-column: span 4;
  }

  .page-news .news-series__grid .series-card:first-child {
    grid-column: span 4;
  }
}

@media (min-width: 1100px) {
  .page-news .news-hero__grid {
    grid-template-columns: 170px minmax(0, 1fr);
    align-items: start;
  }
}

@media (max-width: 420px) {
  .page-news .news-rail__title.annot--vertical {
    writing-mode: horizontal-tb;
    transform: none;
    margin-bottom: 10px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-news .news-spark,
  .page-news .news-spark__dot,
  .page-news .series-card__next {
    transition: none;
  }

  .page-news .news-filter .filter-chip[aria-pressed="true"]::after {
    animation: none;
    opacity: 0;
  }
}
<<<END>>>

.page-news {
  --fill: currentColor;
}