.page-news {
  --news-section-gap: clamp(2.5rem, 7vw, 5rem);
  --cat-version: #38F0D8;
  --cat-data: #FFB37A;
  --cat-story: #A9B6F5;
  --cat-ux: #7ED9A8;
  display: block;
  background: var(--ink-900);
  color: var(--star);
  padding-bottom: clamp(3rem, 8vw, 6rem);
}

/* ---------- 首屏 ---------- */
.page-news .news-hero {
  position: relative;
  padding-top: clamp(1.25rem, 3vw, 2rem);
  padding-bottom: clamp(2rem, 5vw, 3.5rem);
}

.page-news .news-hero::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: clamp(280px, 48vw, 520px);
  background:
    radial-gradient(115% 85% at 82% -12%, rgba(56, 240, 216, 0.15), transparent 62%),
    radial-gradient(85% 70% at 4% 0%, rgba(255, 138, 61, 0.11), transparent 58%);
  pointer-events: none;
}

.page-news .news-hero .shell {
  position: relative;
}

.page-news .news-hero .breadcrumb {
  margin-bottom: clamp(1.5rem, 4vw, 2.25rem);
}

.page-news .news-hero__intro {
  max-width: 100%;
}

.page-news .news-hero__title {
  margin: 0.5rem 0 1rem;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(2.05rem, 5.6vw, 4rem);
  line-height: 1.08;
  letter-spacing: -0.02em;
  color: var(--star);
  text-wrap: balance;
}

.page-news .news-hero__lede {
  margin: 0;
  max-width: 62ch;
  color: var(--haze);
  font-size: 1rem;
  line-height: 1.8;
}

.page-news .news-hero__facts {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem 0;
  margin: clamp(1.25rem, 3vw, 1.75rem) 0 0;
  padding: 0;
  list-style: none;
}

.page-news .news-hero__facts li {
  display: inline-flex;
  align-items: baseline;
  gap: 0.4rem;
  padding-right: 1rem;
  margin-right: 1rem;
  border-right: 1px solid var(--line);
  font-size: 0.8125rem;
  letter-spacing: 0.06em;
  color: var(--haze);
}

.page-news .news-hero__facts li:last-child {
  border-right: 0;
  margin-right: 0;
  padding-right: 0;
}

.page-news .news-hero__facts .data-num {
  font-family: var(--font-mono);
  font-weight: 600;
  font-size: 1.25rem;
  color: var(--cyan);
}

.page-news .news-hero__banner {
  position: relative;
  margin-top: clamp(1.75rem, 4vw, 2.75rem);
}

/* ---------- 媒体占位 ---------- */
.page-news .media-frame {
  position: relative;
  display: block;
  margin: 0;
  aspect-ratio: auto;
  border-radius: var(--r-lg);
  overflow: hidden;
  border: 1px solid var(--line);
  background: linear-gradient(150deg, var(--ink-700), var(--ink-900) 74%);
}

.page-news .media-frame__img,
.page-news .media-frame img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
}

.page-news .media-frame__tag {
  position: absolute;
  left: 0.875rem;
  bottom: 0.875rem;
  max-width: calc(100% - 1.75rem);
  padding: 0.3rem 0.75rem;
  border-radius: var(--r-pill);
  background: rgba(11, 16, 38, 0.84);
  border: 1px solid var(--line);
  color: var(--haze);
  font-size: 0.75rem;
  letter-spacing: 0.04em;
  line-height: 1.4;
}

/* ---------- 列表区布局 ---------- */
.page-news .news-updates {
  padding-block: clamp(1.5rem, 4vw, 2.5rem) clamp(2rem, 5vw, 3rem);
}

.page-news .news-layout {
  display: grid;
  gap: clamp(1.5rem, 4vw, 2.5rem);
  grid-template-areas:
    "rail"
    "stream";
  align-items: start;
}

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

.page-news .news-rail {
  grid-area: rail;
  min-width: 0;
}

.page-news .news-stream .section__head {
  margin-bottom: clamp(1.25rem, 3vw, 1.75rem);
}

.page-news .news-stream .section__head .lede {
  margin-bottom: 0;
}

/* ---------- 筛选标签 ---------- */
.page-news .news-rail__chips {
  display: flex;
  gap: 0.5rem;
  margin: 0 -0.25rem;
  padding: 0 0.25rem 0.6rem;
  overflow-x: auto;
  scrollbar-width: thin;
  -webkit-overflow-scrolling: touch;
}

.page-news .chip {
  flex: 0 0 auto;
  appearance: none;
  display: inline-flex;
  align-items: center;
  padding: 0.4rem 0.9rem;
  border: 1px solid var(--line);
  border-radius: var(--r-pill);
  background: var(--ink-800);
  color: var(--haze);
  font-family: var(--font-body);
  font-size: 0.8125rem;
  font-weight: 500;
  line-height: 1.4;
  white-space: nowrap;
  cursor: pointer;
  transition: background var(--t), color var(--t), border-color var(--t);
}

.page-news .chip:hover {
  color: var(--star);
  border-color: #38436e;
  background: var(--ink-700);
}

.page-news .chip[aria-pressed="true"] {
  background: var(--cyan);
  border-color: var(--cyan);
  color: #04231f;
  font-weight: 600;
}

.page-news .chip:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 2px;
}

.page-news .news-rail__note {
  margin-top: 1.25rem;
  padding-top: 1rem;
  border-top: 1px solid var(--line);
}

.page-news .news-rail__note-label {
  margin: 0 0 0.4rem;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.14em;
  color: var(--cat-version);
}

.page-news .news-rail__note p:last-child {
  margin: 0;
  font-size: 0.875rem;
  line-height: 1.7;
  color: var(--haze);
}

/* ---------- 条目 ---------- */
.page-news .news-list {
  display: grid;
  gap: 0;
}

.page-news .entry {
  position: relative;
  display: grid;
  grid-template-columns: 2.5rem minmax(0, 1fr);
  gap: 0 0.875rem;
  padding: clamp(1.25rem, 3vw, 1.75rem) 0;
  border-top: 1px solid var(--line);
}

.page-news .entry:last-child {
  border-bottom: 1px solid var(--line);
}

.page-news .entry > * {
  position: relative;
}

.page-news .entry::before {
  content: "";
  position: absolute;
  inset: 0.25rem 0;
  border-radius: var(--r-md);
  background: linear-gradient(100deg, rgba(56, 240, 216, 0.09), rgba(56, 240, 216, 0) 72%);
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--t);
}

.page-news .entry:hover::before,
.page-news .entry:focus-within::before {
  opacity: 1;
}

.page-news .entry__no {
  margin: 0;
  padding-top: 0.2rem;
  font-family: var(--font-mono);
  font-size: 1rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  color: var(--haze);
  transition: color var(--t);
}

.page-news .entry:hover .entry__no {
  color: var(--cyan);
}

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

.page-news .entry__meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.4rem 0.75rem;
  margin: 0 0 0.6rem;
}

.page-news .entry__time {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.06em;
  color: var(--haze);
}

.page-news .tag {
  display: inline-flex;
  align-items: center;
  padding: 0.2rem 0.65rem;
  border-radius: var(--r-pill);
  border: 1px solid currentColor;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  line-height: 1.5;
}

.page-news .tag--version {
  color: var(--cat-version);
  border-color: rgba(56, 240, 216, 0.36);
  background: rgba(56, 240, 216, 0.1);
}

.page-news .tag--data {
  color: var(--cat-data);
  border-color: rgba(255, 179, 122, 0.36);
  background: rgba(255, 179, 122, 0.1);
}

.page-news .tag--story {
  color: var(--cat-story);
  border-color: rgba(169, 182, 245, 0.36);
  background: rgba(169, 182, 245, 0.1);
}

.page-news .tag--ux {
  color: var(--cat-ux);
  border-color: rgba(126, 217, 168, 0.36);
  background: rgba(126, 217, 168, 0.1);
}

.page-news .entry__title {
  margin: 0 0 0.5rem;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.0625rem;
  line-height: 1.45;
  letter-spacing: -0.01em;
  color: var(--star);
}

.page-news .entry__sum {
  margin: 0;
  max-width: 62ch;
  font-size: 0.9375rem;
  line-height: 1.75;
  color: var(--haze);
}

.page-news .entry__figure {
  margin-top: clamp(1rem, 2.5vw, 1.35rem);
  border-radius: var(--r-md);
}

.page-news .entry--lead {
  border-top-color: var(--cyan);
}

.page-news .entry--lead .entry__no {
  color: var(--cyan);
}

.page-news .entry--lead .entry__title {
  font-size: clamp(1.3rem, 3.2vw, 1.85rem);
  line-height: 1.28;
}

.page-news .entry--lead .entry__sum {
  font-size: 1rem;
}

.page-news .news-empty {
  margin: 1.5rem 0 0;
  padding: 1rem 0 1rem 1.25rem;
  border-left: 2px solid var(--line);
  color: var(--haze);
  font-size: 0.9375rem;
  line-height: 1.7;
}

/* ---------- 专题系列 ---------- */
.page-news .news-series {
  padding-block: var(--news-section-gap) 0;
}

.page-news .news-series .section__head {
  margin-bottom: clamp(1.5rem, 4vw, 2.25rem);
}

.page-news .news-series__track {
  display: grid;
  grid-auto-flow: column;
  grid-auto-columns: minmax(240px, 82%);
  gap: 1rem;
  overflow-x: auto;
  padding: 0 0 1rem;
  scroll-snap-type: x mandatory;
  scrollbar-width: thin;
  -webkit-overflow-scrolling: touch;
}

.page-news .news-series__track:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 6px;
  border-radius: var(--r-md);
}

.page-news .series-card {
  display: flex;
  flex-direction: column;
  gap: 0.45rem;
  scroll-snap-align: start;
}

.page-news .series-card__figure {
  margin: 0 0 0.5rem;
  border-radius: var(--r-md);
}

.page-news .series-card__index {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.12em;
  color: var(--cat-story);
}

.page-news .series-card__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.0625rem;
  line-height: 1.4;
  letter-spacing: -0.01em;
  color: var(--star);
}

.page-news .series-card__sum {
  margin: 0;
  font-size: 0.875rem;
  line-height: 1.7;
  color: var(--haze);
}

/* ---------- 回访区 ---------- */
.page-news .news-return {
  margin-top: var(--news-section-gap);
  padding-top: clamp(2rem, 5vw, 3rem);
  border-top: 1px solid var(--line);
}

.page-news .news-return__grid {
  display: grid;
  gap: clamp(1.5rem, 4vw, 2.5rem);
}

.page-news .news-return__intro .section__title {
  margin: 0.4rem 0 0.85rem;
}

.page-news .news-return__intro p {
  margin: 0;
  max-width: 60ch;
  color: var(--haze);
  font-size: 0.9375rem;
  line-height: 1.8;
}

.page-news .news-return__panels {
  display: grid;
  gap: clamp(1.25rem, 3vw, 1.75rem);
}

.page-news .return-panel {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  padding: 0.25rem 0 0.25rem 1.25rem;
  border-left: 2px solid var(--line);
  transition: border-color var(--t);
}

.page-news .return-panel:hover {
  border-color: var(--cyan);
}

.page-news .return-panel--amber:hover {
  border-color: var(--amber);
}

.page-news .return-panel__label {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.14em;
  color: var(--cyan);
}

.page-news .return-panel__label--amber {
  color: var(--amber);
}

.page-news .return-panel__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.125rem;
  line-height: 1.4;
  letter-spacing: -0.01em;
  color: var(--star);
}

.page-news .return-panel__text {
  margin: 0;
  max-width: 56ch;
  font-size: 0.9375rem;
  line-height: 1.75;
  color: var(--haze);
  word-break: break-word;
}

.page-news .return-panel .btn {
  align-self: flex-start;
  margin-top: 0.35rem;
}

/* ---------- 中等宽度 ---------- */
@media (min-width: 640px) {
  .page-news .news-series__track {
    grid-auto-columns: minmax(300px, 46%);
  }

  .page-news .news-return__panels {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

/* ---------- 桌面端 ---------- */
@media (min-width: 900px) {
  .page-news .news-layout {
    grid-template-columns: minmax(0, 1fr) 15.5rem;
    grid-template-areas: "stream rail";
    gap: clamp(2rem, 5vw, 3.5rem);
  }

  .page-news .news-rail__inner {
    position: sticky;
    top: 5.5rem;
  }

  .page-news .news-rail__chips {
    flex-wrap: wrap;
    overflow: visible;
    margin: 0;
    padding: 0;
  }

  .page-news .entry {
    grid-template-columns: 4rem minmax(0, 1fr);
    gap: 0 1.5rem;
    padding: clamp(1.5rem, 2.5vw, 2rem) 0;
  }

  .page-news .entry__no {
    font-size: 1.125rem;
  }

  .page-news .entry__title {
    font-size: 1.1875rem;
  }

  .page-news .news-series__track {
    grid-auto-columns: minmax(300px, 31%);
  }

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

@media (min-width: 1180px) {
  .page-news .news-series__track {
    grid-auto-columns: minmax(320px, 30%);
  }
}

/* ---------- 减少动效 ---------- */
@media (prefers-reduced-motion: reduce) {
  .page-news .entry::before,
  .page-news .entry__no,
  .page-news .chip,
  .page-news .return-panel {
    transition: none;
  }

  .page-news .news-series__track {
    scroll-behavior: auto;
  }
}
<<<END>>>