.page-news {
  --news-rail-w: 250px;
  --news-gap: clamp(20px, 3vw, 44px);
  background: var(--bg);
  color: var(--text);
  padding-bottom: clamp(40px, 7vw, 88px);
}

.page-news .num {
  font-family: var(--font-num);
  font-variant-numeric: tabular-nums;
}

/* ---------- 首屏 ---------- */
.page-news .news-hero {
  position: relative;
  overflow: hidden;
  padding: clamp(20px, 3.4vw, 40px) 0 clamp(28px, 4vw, 56px);
  border-bottom: 1px solid var(--line);
  background:
    radial-gradient(110% 90% at 88% -10%, rgba(255, 90, 31, 0.18), transparent 58%),
    radial-gradient(90% 80% at 0% 110%, rgba(34, 211, 197, 0.12), transparent 62%),
    linear-gradient(180deg, var(--navy-800) 0%, var(--navy-900) 100%);
}

.page-news .news-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: repeating-linear-gradient(
    90deg,
    rgba(22, 64, 92, 0.55) 0 1px,
    transparent 1px 84px
  );
  opacity: 0.55;
  pointer-events: none;
}

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

.page-news .news-hero .breadcrumb {
  margin-bottom: clamp(16px, 2.4vw, 28px);
}

.page-news .news-hero .eyebrow {
  color: var(--ember);
  margin-bottom: 12px;
}

.page-news .news-hero-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(22px, 3.4vw, 44px);
  align-items: end;
}

.page-news .news-hero-copy .display {
  margin: 0 0 clamp(14px, 2vw, 22px);
  font-family: var(--font-serif);
  font-weight: 900;
  font-size: clamp(2.05rem, 6.2vw, 4.2rem);
  line-height: 1.04;
  letter-spacing: -0.03em;
  color: var(--ice);
  max-width: 15em;
}

.page-news .news-hero-copy .lede {
  color: var(--mist);
  font-size: clamp(0.95rem, 1.5vw, 1.05rem);
  line-height: 1.8;
  max-width: 56ch;
  margin: 0 0 clamp(18px, 2.4vw, 26px);
}

.page-news .news-hero-copy .btn-row {
  gap: 10px;
}

.page-news .news-hero-media {
  margin: 0;
  position: relative;
  border: 1px solid var(--line-blue);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 34px), calc(100% - 34px) 100%, 0 100%);
  background: var(--navy-700);
}

.page-news .news-hero-media img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 9;
  object-fit: cover;
}

.page-news .news-hero-media .media-caption {
  position: absolute;
  left: 0;
  bottom: 0;
  right: 34px;
  padding: 10px 14px;
  background: rgba(4, 17, 29, 0.78);
  border-top: 1px solid var(--line);
  color: var(--mist);
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.05em;
  line-height: 1.5;
}

/* ---------- 数据条 ---------- */
.page-news .news-stats {
  margin-top: clamp(24px, 3.4vw, 40px);
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  background: var(--line-blue);
  border: 1px solid var(--line-blue);
}

.page-news .news-stats .data-figure {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 4px 6px;
  padding: 14px 14px 16px;
  background: rgba(7, 30, 48, 0.92);
}

.page-news .news-stats .data-number {
  font-family: var(--font-num);
  font-weight: 700;
  font-size: clamp(1.5rem, 3vw, 2.1rem);
  line-height: 1;
  color: var(--lava);
  letter-spacing: -0.02em;
}

.page-news .news-stats .data-unit {
  font-size: 0.8rem;
  color: var(--mist);
}

.page-news .news-stats .data-label {
  flex: 1 0 100%;
  font-size: 0.78rem;
  line-height: 1.5;
  color: var(--text-soft);
}

/* ---------- 筛选与列表 ---------- */
.page-news .news-browse-inner {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--news-gap);
  padding-top: clamp(28px, 4vw, 56px);
}

.page-news .news-rail {
  display: block;
  min-width: 0;
}

.page-news .news-rail > .eyebrow {
  color: var(--steel);
  margin-bottom: 10px;
}

.page-news .filter-bar {
  display: flex;
  flex-direction: row;
  flex-wrap: nowrap;
  gap: 2px;
  overflow-x: auto;
  padding-bottom: 4px;
  scrollbar-width: none;
  border: 0;
}

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

.page-news .filter-input,
.page-news .sort-input {
  position: absolute;
  width: 1px;
  height: 1px;
  opacity: 0;
  pointer-events: none;
  margin: 0;
}

.page-news .filter-btn {
  flex: 0 0 auto;
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 11px 14px;
  border: 0;
  border-bottom: 2px solid transparent;
  background: transparent;
  color: var(--text-soft);
  font-family: var(--font-sans);
  font-size: 0.9rem;
  font-weight: 500;
  line-height: 1.2;
  white-space: nowrap;
  cursor: pointer;
  transition: color var(--dur) var(--ease), background var(--dur) var(--ease),
    border-color var(--dur) var(--ease);
}

.page-news .filter-btn:hover {
  color: var(--ice);
  background: rgba(11, 44, 69, 0.7);
}

.page-news .filter-count {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.06em;
  color: var(--steel);
}

.page-news .filter-input:checked + .filter-btn {
  color: var(--ice);
  background: var(--navy-700);
  border-bottom-color: var(--lava);
}

.page-news .filter-input:checked + .filter-btn .filter-count {
  color: var(--lava);
}

.page-news .filter-input:focus-visible + .filter-btn,
.page-news .sort-input:focus-visible + .sort-btn {
  outline: 2px solid var(--focus);
  outline-offset: 2px;
}

.page-news .rail-note {
  margin-top: 18px;
  padding-top: 14px;
  border-top: 1px solid var(--line);
  color: var(--text-soft);
  font-size: 0.82rem;
  line-height: 1.7;
}

.page-news .rail-note p {
  margin: 0;
}

.page-news .rail-note-label {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  color: var(--cyan);
  margin-bottom: 6px !important;
}

/* 分类过滤：纯 CSS 渐进增强 */
.page-news:has(#cat-report:checked) .news-item:not([data-cat="report"]),
.page-news:has(#cat-rank:checked) .news-item:not([data-cat="rank"]),
.page-news:has(#cat-version:checked) .news-item:not([data-cat="version"]),
.page-news:has(#cat-topic:checked) .news-item:not([data-cat="topic"]) {
  display: none;
}

/* ---------- 右侧内容区 ---------- */
.page-news .news-stream {
  min-width: 0;
}

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

.page-news .stream-head .eyebrow {
  color: var(--steel);
  margin-bottom: 8px;
}

.page-news .stream-head .section-title {
  font-family: var(--font-sans);
  font-weight: 900;
  font-size: clamp(1.3rem, 2.6vw, 1.85rem);
  line-height: 1.2;
  color: var(--ice);
  margin: 0;
}

.page-news .sort-bar {
  display: flex;
  border: 1px solid var(--line-blue);
}

.page-news .sort-btn {
  padding: 9px 13px;
  font-family: var(--font-mono);
  font-size: 0.74rem;
  letter-spacing: 0.06em;
  color: var(--mist);
  background: transparent;
  cursor: pointer;
  transition: background var(--dur) var(--ease), color var(--dur) var(--ease);
}

.page-news .sort-btn:hover {
  color: var(--ice);
}

.page-news .sort-input:checked + .sort-btn {
  background: var(--lava);
  color: var(--navy-900);
}

.page-news .news-list {
  display: flex;
  flex-direction: column;
  gap: 14px;
  margin-top: 20px;
}

.page-news:has(#sort-topic:checked) .news-item[data-cat="topic"] {
  order: -1;
}

.page-news .news-item {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 18px 16px 16px;
  border: 1px solid var(--line);
  border-left: 2px solid var(--line-blue);
  background: linear-gradient(160deg, var(--navy-800) 0%, var(--navy-900) 100%);
  transition: transform var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-news .news-item:hover {
  transform: translateY(-2px);
  border-left-color: var(--lava);
  border-color: var(--steel);
}

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

.page-news .news-item-top .card-index {
  font-family: var(--font-mono);
  font-size: 0.74rem;
  letter-spacing: 0.1em;
  color: var(--steel);
}

.page-news .news-when {
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.05em;
  color: var(--mist);
  white-space: nowrap;
}

.page-news .news-item .tag {
  padding: 3px 8px;
  border: 1px solid var(--line-blue);
  background: rgba(46, 103, 132, 0.22);
  color: var(--mist);
  font-size: 0.72rem;
  line-height: 1.4;
  letter-spacing: 0.06em;
}

.page-news .news-item .tag--cyan {
  border-color: rgba(34, 211, 197, 0.5);
  background: rgba(34, 211, 197, 0.12);
  color: var(--cyan);
}

.page-news .news-item .card-title {
  margin: 0;
  font-family: var(--font-sans);
  font-weight: 900;
  font-size: clamp(1.02rem, 1.9vw, 1.2rem);
  line-height: 1.4;
  color: var(--ice);
}

.page-news .news-item .card-text {
  margin: 0;
  color: var(--text-soft);
  font-size: 0.9rem;
  line-height: 1.75;
  max-width: 68ch;
}

/* 折叠展开 */
.page-news .disclosure {
  margin-top: 2px;
}

.page-news .disclosure-toggle {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 0;
  border: 0;
  background: transparent;
  color: var(--cyan);
  font-family: var(--font-sans);
  font-size: 0.8rem;
  font-weight: 500;
  cursor: pointer;
  transition: color var(--dur) var(--ease);
}

.page-news .disclosure-toggle:hover {
  color: var(--ice);
}

.page-news .disclosure-toggle:focus-visible {
  outline: 2px solid var(--focus);
  outline-offset: 3px;
}

.page-news .disclosure-icon {
  width: 8px;
  height: 8px;
  border-right: 1.5px solid currentColor;
  border-bottom: 1.5px solid currentColor;
  transform: rotate(45deg) translateY(-2px);
  transition: transform var(--dur) var(--ease);
}

.page-news .disclosure-toggle[aria-expanded="true"] .disclosure-icon {
  transform: rotate(-135deg) translateY(-2px);
}

.page-news .disclosure-body {
  padding: 10px 12px;
  border-left: 1px solid var(--line-blue);
  background: rgba(11, 44, 69, 0.45);
  color: var(--mist);
  font-size: 0.86rem;
  line-height: 1.8;
}

.page-news .disclosure-body p {
  margin: 0;
}

.page-news .disclosure-body a,
.page-news .card-link {
  color: var(--ember);
  text-decoration: none;
  border-bottom: 1px solid rgba(255, 138, 76, 0.45);
}

.page-news .disclosure-body a:hover,
.page-news .card-link:hover {
  color: var(--lava);
  border-bottom-color: var(--lava);
}

/* 排名特写条目 */
.page-news .news-item--feature {
  gap: 16px;
}

.page-news .news-feature-body {
  display: flex;
  flex-direction: column;
  gap: 10px;
  min-width: 0;
}

.page-news .news-figure {
  margin: 0;
  border: 1px solid var(--line-blue);
  background: var(--navy-700);
}

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

/* ---------- 专题卡带 ---------- */
.page-news .news-topics .section-head .eyebrow {
  color: var(--ember);
}

.page-news .news-topics .section-head .lede {
  color: var(--text-soft);
  font-size: 0.92rem;
  line-height: 1.8;
  max-width: 60ch;
}

.page-news .topic-rail {
  display: flex;
  gap: 14px;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  padding: 20px 0 12px;
  scrollbar-width: thin;
}

.page-news .topic-card {
  flex: 0 0 min(300px, 84vw);
  scroll-snap-align: start;
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 16px;
  border: 1px solid var(--line);
  border-top: 2px solid var(--line-blue);
  background: var(--navy-700);
  transition: transform var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

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

.page-news .topic-card:first-child {
  border-top-color: var(--lava);
}

.page-news .topic-card:nth-child(2) {
  border-top-color: var(--cyan);
}

.page-news .topic-card img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
  border: 1px solid var(--line-blue);
  background: var(--navy-800);
}

.page-news .topic-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
}

.page-news .topic-top .tag {
  padding: 3px 8px;
  border: 1px solid var(--line-blue);
  background: rgba(46, 103, 132, 0.22);
  color: var(--mist);
  font-size: 0.72rem;
  letter-spacing: 0.06em;
}

.page-news .topic-top .tag--cyan {
  border-color: rgba(34, 211, 197, 0.5);
  background: rgba(34, 211, 197, 0.12);
  color: var(--cyan);
}

.page-news .topic-top .news-when {
  margin-left: 0;
  font-size: 0.7rem;
}

.page-news .topic-title {
  margin: 0;
  font-family: var(--font-sans);
  font-weight: 900;
  font-size: 1.05rem;
  line-height: 1.35;
  color: var(--ice);
}

.page-news .topic-card p {
  margin: 0;
  color: var(--text-soft);
  font-size: 0.85rem;
  line-height: 1.75;
}

.page-news .topic-card .topic-link {
  margin-top: auto;
  font-size: 0.82rem;
}

/* ---------- 版本记录 ---------- */
.page-news .news-version {
  border-top: 1px solid var(--line);
  background: linear-gradient(180deg, rgba(7, 30, 48, 0.6) 0%, transparent 100%);
}

.page-news .news-version .section-head .eyebrow {
  color: var(--steel);
}

.page-news .news-version .section-head .lede {
  color: var(--text-soft);
  font-size: 0.92rem;
  line-height: 1.8;
  max-width: 62ch;
}

.page-news .version-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(22px, 3vw, 36px);
  margin-top: 24px;
}

.page-news .version-list {
  min-width: 0;
}

.page-news .version-node {
  position: relative;
  padding: 0 0 22px 24px;
  border-left: 1px solid var(--line-blue);
}

.page-news .version-node:last-child {
  padding-bottom: 6px;
}

.page-news .version-dot {
  position: absolute;
  left: -6px;
  top: 6px;
  width: 11px;
  height: 11px;
  background: var(--navy-900);
  border: 2px solid var(--line-blue);
}

.page-news .version-node--current {
  border-left-color: var(--lava);
}

.page-news .version-node--current .version-dot {
  border-color: var(--lava);
  background: var(--lava);
}

.page-news .version-meta {
  margin: 0 0 6px;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  color: var(--steel);
}

.page-news .version-node--current .version-meta {
  color: var(--ember);
}

.page-news .version-title {
  margin: 0 0 4px;
  font-family: var(--font-sans);
  font-weight: 900;
  font-size: 1rem;
  line-height: 1.4;
  color: var(--ice);
}

.page-news .news-version-figure {
  margin: 0;
  border: 1px solid var(--line-blue);
  background: var(--navy-700);
}

.page-news .news-version-figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 12 / 7;
  object-fit: cover;
}

.page-news .news-version-figure .media-caption {
  padding: 10px 12px;
  border-top: 1px solid var(--line);
  color: var(--mist);
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.04em;
  line-height: 1.6;
}

/* ---------- 下一步 ---------- */
.page-news .news-next {
  padding-top: clamp(28px, 4vw, 52px);
}

.page-news .news-next .section-head .eyebrow {
  color: var(--steel);
}

.page-news .news-next-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 12px;
  margin-top: 20px;
}

.page-news .news-next-card {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 18px 16px;
  border: 1px solid var(--line);
  border-top: 2px solid var(--line-blue);
  background: var(--surface);
  text-decoration: none;
  transition: transform var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-news .news-next-card:hover {
  transform: translateY(-2px);
  border-top-color: var(--lava);
  border-color: var(--steel);
}

.page-news .news-next-card .card-index {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  color: var(--steel);
}

.page-news .news-next-card .card-title {
  margin: 0;
  font-family: var(--font-sans);
  font-weight: 900;
  font-size: 1.05rem;
  line-height: 1.35;
  color: var(--ice);
}

.page-news .news-next-card .card-text {
  margin: 0;
  color: var(--text-soft);
  font-size: 0.85rem;
  line-height: 1.7;
}

.page-news .news-next-card .card-foot {
  margin-top: auto;
  padding-top: 8px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-family: var(--font-mono);
  font-size: 0.74rem;
  letter-spacing: 0.06em;
  color: var(--cyan);
}

.page-news .news-next-card:hover .card-foot {
  color: var(--ember);
}

.page-news .news-next-card .card-arrow {
  transition: transform var(--dur) var(--ease);
}

.page-news .news-next-card:hover .card-arrow {
  transform: translateX(3px);
}

.page-news a.card-link,
.page-news a.news-next-card {
  outline-offset: 3px;
}

.page-news a.card-link:focus-visible,
.page-news a.news-next-card:focus-visible,
.page-news .news-hero-copy .btn:focus-visible {
  outline: 2px solid var(--focus);
}

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .page-news .news-stats {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-news .news-item {
    padding: 20px 20px 18px;
  }

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

@media (min-width: 860px) {
  .page-news .news-hero-grid {
    grid-template-columns: minmax(0, 1.12fr) minmax(0, 0.88fr);
  }

  .page-news .news-item--feature {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 240px;
    align-items: start;
  }

  .page-news .version-layout {
    grid-template-columns: minmax(0, 1fr) minmax(0, 0.82fr);
    align-items: start;
  }

  .page-news .news-next-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (min-width: 960px) {
  .page-news .news-browse-inner {
    grid-template-columns: var(--news-rail-w) minmax(0, 1fr);
    align-items: start;
  }

  .page-news .news-rail {
    position: sticky;
    top: 92px;
  }

  .page-news .filter-bar {
    flex-direction: column;
    flex-wrap: nowrap;
    overflow: visible;
    gap: 0;
    border-left: 1px solid var(--line);
    padding-bottom: 0;
  }

  .page-news .filter-btn {
    justify-content: space-between;
    width: 100%;
    border-bottom: 0;
    border-left: 2px solid transparent;
    margin-left: -1px;
  }

  .page-news .filter-input:checked + .filter-btn {
    border-left-color: var(--lava);
    border-bottom-color: transparent;
  }

  .page-news .news-item--feature {
    grid-template-columns: minmax(0, 1fr) 300px;
  }
}

@media (min-width: 1200px) {
  .page-news {
    --news-rail-w: 272px;
  }

  .page-news .news-list {
    gap: 16px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-news .news-item,
  .page-news .topic-card,
  .page-news .news-next-card,
  .page-news .disclosure-icon,
  .page-news .card-arrow {
    transition: none;
  }

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