.page-news {
  --news-rail: 232px;
  --news-gap: clamp(24px, 4vw, 56px);
  --news-line: rgba(30, 46, 69, 0.9);
  background: var(--ink-000);
  color: var(--paper);
  padding-bottom: clamp(40px, 6vw, 80px);
}

/* ---------- 面包屑 ---------- */
.page-news .news-top {
  padding-top: clamp(14px, 2.6vw, 24px);
  padding-bottom: clamp(10px, 1.8vw, 16px);
}

/* ---------- 首屏 ---------- */
.page-news .news-hero {
  position: relative;
  overflow: hidden;
  padding: clamp(28px, 5vw, 64px) 0 clamp(30px, 4.4vw, 54px);
  border-bottom: 1px solid var(--line);
  background:
    radial-gradient(120% 92% at 88% 6%, rgba(61, 245, 224, 0.10), transparent 58%),
    radial-gradient(90% 80% at 2% 100%, rgba(255, 106, 61, 0.08), transparent 62%),
    var(--ink-100);
}

.page-news .news-hero::after {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  width: min(48%, 540px);
  height: 100%;
  background: repeating-linear-gradient(90deg, rgba(61, 245, 224, 0.10) 0 1px, transparent 1px 42px);
  -webkit-mask-image: linear-gradient(90deg, transparent, #000 62%);
  mask-image: linear-gradient(90deg, transparent, #000 62%);
  pointer-events: none;
}

.page-news .news-hero > .container {
  position: relative;
  z-index: 1;
}

.page-news .news-hero__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(24px, 4vw, 44px);
}

.page-news .news-hero__lead .display-1 {
  margin: 12px 0 18px;
  line-height: 1.04;
  letter-spacing: -0.02em;
}

.page-news .news-hero__lede {
  margin: 0;
  max-width: 46ch;
  color: rgba(245, 241, 232, 0.74);
}

.page-news .hero-board {
  border-top: 1px solid var(--line);
  padding-top: 16px;
}

.page-news .hero-board__cap {
  margin: 0 0 8px;
  color: var(--muted);
}

.page-news .hero-board__list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-news .hero-board__list li {
  display: flex;
  align-items: baseline;
  gap: 14px;
  padding: 12px 0;
  border-bottom: 1px solid var(--news-line);
}

.page-news .hero-board__v {
  flex: 0 0 auto;
  min-width: 2.1em;
  font-family: var(--font-num);
  font-weight: 700;
  font-size: clamp(26px, 4vw, 34px);
  line-height: 1;
  color: var(--cyan);
}

.page-news .hero-board__v em {
  font-style: normal;
  font-size: 0.4em;
  margin-left: 3px;
  color: var(--muted);
  letter-spacing: 0.04em;
}

.page-news .hero-board__k {
  font-size: 13px;
  line-height: 1.6;
  color: var(--muted);
}

/* ---------- 横向专题条 ---------- */
.page-news .topic-strip-wrap {
  padding: clamp(20px, 3.2vw, 32px) 0;
  border-bottom: 1px solid var(--line);
  background: var(--ink-000);
}

.page-news .topic-strip__title {
  margin: 0 0 12px;
  color: var(--muted);
}

.page-news .topic-strip {
  display: flex;
  gap: 12px;
  overflow-x: auto;
  padding-bottom: 6px;
  scroll-snap-type: x proximity;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: thin;
}

.page-news .topic-card {
  flex: 0 0 auto;
  scroll-snap-align: start;
  min-width: 206px;
  max-width: 248px;
  padding: 15px 17px;
  display: grid;
  gap: 8px;
  text-decoration: none;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: linear-gradient(160deg, rgba(17, 28, 46, 0.95), rgba(11, 18, 32, 0.9));
  transition: border-color 0.24s var(--ease), transform 0.24s var(--ease), background-color 0.24s var(--ease);
}

.page-news .topic-card:hover {
  border-color: var(--cyan);
  transform: translateY(-2px);
}

.page-news .topic-card__tag {
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--cyan);
}

.page-news .topic-card__title {
  font-size: 15px;
  font-weight: 700;
  line-height: 1.45;
  color: var(--paper);
}

/* ---------- 画布与索引栏 ---------- */
.page-news .news-canvas {
  display: grid;
  grid-template-columns: 1fr;
  padding-top: clamp(26px, 4.4vw, 52px);
}

.page-news .news-rail {
  border-bottom: 1px solid var(--line);
  padding-bottom: 16px;
  margin-bottom: 20px;
}

.page-news .news-rail__title {
  margin: 0 0 10px;
  color: var(--muted);
}

.page-news .news-rail__nav {
  display: flex;
  gap: 6px;
  overflow-x: auto;
  padding-bottom: 4px;
  scrollbar-width: thin;
}

.page-news .news-rail__link {
  display: flex;
  align-items: baseline;
  gap: 8px;
  white-space: nowrap;
  padding: 9px 12px;
  border-radius: 10px;
  font-size: 14px;
  line-height: 1.2;
  color: rgba(245, 241, 232, 0.7);
  text-decoration: none;
  transition: background-color 0.2s var(--ease), color 0.2s var(--ease);
}

.page-news .news-rail__link:hover {
  background: rgba(61, 245, 224, 0.08);
  color: var(--paper);
}

.page-news .news-rail__idx {
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--muted);
  transition: color 0.2s var(--ease);
}

.page-news .news-rail__link:hover .news-rail__idx {
  color: var(--cyan);
}

.page-news .news-rail__note {
  margin-top: 16px;
  padding-top: 14px;
  border-top: 1px solid var(--news-line);
}

.page-news .news-rail__note p {
  margin: 8px 0 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--muted);
}

/* ---------- 列表工具条 ---------- */
.page-news .feed-toolbar {
  padding-bottom: 14px;
  border-bottom: 1px solid var(--line);
}

.page-news .feed-toolbar .filterbar {
  margin: 0;
}

/* ---------- 列表分组 ---------- */
.page-news .feed-group {
  padding-top: clamp(26px, 4vw, 44px);
  scroll-margin-top: calc(var(--bar-h) + 24px);
}

.page-news .feed-group__head {
  display: flex;
  align-items: baseline;
  gap: 12px;
}

.page-news .feed-group__num {
  font-family: var(--font-num);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--cyan);
}

.page-news .feed-group__title {
  margin: 0;
  font-size: clamp(20px, 2.8vw, 28px);
  font-weight: 700;
  letter-spacing: -0.01em;
  line-height: 1.3;
  color: var(--paper);
}

.page-news .feed-group__intro {
  margin: 8px 0 4px;
  max-width: 58ch;
  font-size: 14px;
  line-height: 1.75;
  color: var(--muted);
}

/* ---------- 列表条目 ---------- */
.page-news .feed-item {
  position: relative;
  display: grid;
  gap: 10px;
  padding: 22px 0 24px;
  border-bottom: 1px solid var(--line);
}

.page-news .feed-item::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, rgba(61, 245, 224, 0.07), transparent 62%);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.26s var(--ease);
}

.page-news .feed-item:hover::after {
  opacity: 1;
}

.page-news .feed-item > * {
  position: relative;
  z-index: 1;
}

.page-news .feed-item__meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--muted);
}

.page-news .feed-item__meta::before {
  content: "";
  width: 16px;
  height: 2px;
  background: var(--line);
  transition: width 0.28s var(--ease), background-color 0.28s var(--ease);
}

.page-news .feed-item:hover .feed-item__meta::before {
  width: 36px;
  background: var(--cyan);
}

.page-news .feed-item__title {
  margin: 0;
  font-size: clamp(18px, 2.2vw, 22px);
  font-weight: 700;
  line-height: 1.42;
  letter-spacing: -0.01em;
  color: var(--paper);
  transition: color 0.24s var(--ease);
}

.page-news .feed-item:hover .feed-item__title {
  color: var(--cyan);
}

.page-news .feed-item__desc {
  margin: 0;
  max-width: 62ch;
  font-size: 15px;
  line-height: 1.78;
  color: rgba(245, 241, 232, 0.68);
}

.page-news .feed-item__more {
  justify-self: start;
  font-size: 13px;
  color: var(--cyan);
  text-decoration: none;
  padding-bottom: 2px;
  border-bottom: 1px solid rgba(61, 245, 224, 0.35);
  transition: color 0.2s var(--ease), border-color 0.2s var(--ease);
}

.page-news .feed-item__more:hover {
  color: var(--paper);
  border-color: var(--paper);
}

.page-news .feed-item__media {
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--ink-200);
  aspect-ratio: 16 / 9;
}

.page-news .feed-item__media img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: 100%;
  object-fit: cover;
}

/* 首条重点 */
.page-news .feed-item--lead {
  padding-top: 26px;
}

.page-news .feed-item--lead .feed-item__media {
  margin-bottom: 8px;
  border-color: rgba(61, 245, 224, 0.28);
}

.page-news .feed-item--lead .feed-item__title {
  font-size: clamp(23px, 3.4vw, 34px);
  line-height: 1.28;
}

.page-news .feed-item--lead .feed-item__desc {
  font-size: 16px;
}

/* ---------- 尾部行动区 ---------- */
.page-news .news-cta {
  margin-top: clamp(38px, 6vw, 70px);
  padding: clamp(28px, 4.4vw, 48px) 0 0;
  border-top: 1px solid var(--line);
  background: linear-gradient(180deg, rgba(17, 28, 46, 0.68), rgba(5, 10, 20, 0));
}

.page-news .news-cta__inner {
  display: grid;
  gap: 20px;
}

.page-news .news-cta__title {
  margin: 0 0 10px;
  font-size: clamp(22px, 3vw, 30px);
  font-weight: 700;
  letter-spacing: -0.01em;
  line-height: 1.3;
  color: var(--paper);
}

.page-news .news-cta__desc {
  margin: 0;
  max-width: 56ch;
  font-size: 15px;
  line-height: 1.75;
  color: var(--muted);
}

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

/* ---------- 响应式 ---------- */
@media (min-width: 760px) {
  .page-news .feed-item--media {
    grid-template-columns: minmax(0, 1fr) 236px;
    column-gap: 26px;
    align-items: start;
  }

  .page-news .feed-item--media .feed-item__media {
    grid-column: 2;
    grid-row: 1 / span 4;
    align-self: start;
  }
}

@media (min-width: 900px) {
  .page-news .news-hero__grid {
    grid-template-columns: minmax(0, 1.5fr) minmax(0, 0.72fr);
    gap: clamp(32px, 4vw, 56px);
    align-items: end;
  }
}

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

  .page-news .news-rail {
    position: sticky;
    top: calc(var(--bar-h) + 26px);
    align-self: start;
    border-bottom: 0;
    padding-bottom: 0;
    margin-bottom: 0;
  }

  .page-news .news-rail__nav {
    flex-direction: column;
    gap: 2px;
    overflow: visible;
    padding-bottom: 0;
  }

  .page-news .news-rail__link {
    white-space: normal;
    padding: 9px 12px;
  }
}

@media (min-width: 820px) {
  .page-news .news-cta__inner {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
  }
}

@media (max-width: 519px) {
  .page-news .feed-item__meta {
    gap: 8px;
    font-size: 11px;
  }

  .page-news .news-cta__actions .btn {
    flex: 1 1 auto;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-news .topic-card,
  .page-news .feed-item::after,
  .page-news .feed-item__meta::before,
  .page-news .feed-item__title,
  .page-news .feed-item__more,
  .page-news .news-rail__link {
    transition: none;
  }

  .page-news .topic-card:hover {
    transform: none;
  }
}
<<<END>>>