.page-news {
  --pn-wrap-pad: 20px;
  background: var(--deep);
  color: var(--txt);
  overflow-x: clip;
}

.page-news img {
  max-width: 100%;
  height: auto;
  display: block;
}

.page-news .container {
  width: 100%;
  max-width: var(--wrap);
  margin-inline: auto;
  padding-inline: var(--pn-wrap-pad);
}

/* ---------- 首屏 ---------- */
.page-news .news-hero {
  position: relative;
  isolation: isolate;
  padding: calc(var(--header-h) + 40px) 0 44px;
  background:
    radial-gradient(85% 120% at 94% -18%, rgba(14, 110, 115, 0.62), transparent 62%),
    radial-gradient(62% 92% at -12% 8%, rgba(255, 106, 42, 0.14), transparent 58%),
    linear-gradient(180deg, var(--deep) 0%, var(--night) 100%);
  border-bottom: 1px solid var(--line-soft);
}

.page-news .news-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  background-image: linear-gradient(90deg, var(--line-soft) 1px, transparent 1px);
  background-size: 33.333% 100%;
  opacity: 0.6;
}

.page-news .news-hero__inner {
  position: relative;
}

.page-news .news-hero .breadcrumb {
  margin-bottom: 26px;
}

.page-news .news-hero__title {
  margin: 10px 0 16px;
  max-width: 15em;
  font-size: clamp(2.1rem, 7.2vw, 4.2rem);
  line-height: 1.06;
  letter-spacing: -0.025em;
  font-weight: 800;
  color: var(--mist);
}

.page-news .news-hero__lede {
  max-width: 40em;
  margin: 0;
  font-size: 1rem;
  line-height: 1.85;
  color: var(--txt-dim);
}

.page-news .news-figures {
  list-style: none;
  margin: 28px 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  background: var(--line-soft);
  border: 1px solid var(--line-soft);
  border-radius: 16px;
  overflow: hidden;
}

.page-news .news-figures__item {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 16px 18px;
  background: rgba(18, 52, 77, 0.55);
}

.page-news .news-figures__num {
  font-size: 1.5rem;
  line-height: 1.1;
  font-weight: 700;
  color: var(--mist);
  letter-spacing: -0.01em;
}

.page-news .news-figures__label {
  font-size: 0.8rem;
  line-height: 1.5;
  color: var(--silver);
}

/* ---------- 头条区：时间轴 + 错位列表 ---------- */
.page-news .news-board {
  padding: 44px 0 56px;
}

.page-news .news-board__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 32px;
}

.page-news .stage-rail {
  border-left: 2px solid var(--orange);
  padding-left: 16px;
}

.page-news .stage-rail__title {
  margin: 0 0 4px;
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.16em;
  color: var(--tide);
}

.page-news .stage-list {
  list-style: none;
  margin: 14px 0 0;
  padding: 0;
  position: relative;
}

.page-news .stage-link {
  display: flex;
  gap: 12px;
  padding: 11px 0;
  color: inherit;
  text-decoration: none;
  border-bottom: 1px solid var(--line-soft);
  transition: transform 0.18s var(--ease);
}

.page-news .stage-link__num {
  font-size: 0.72rem;
  line-height: 1.6;
  color: var(--tide);
  transition: color 0.18s var(--ease);
}

.page-news .stage-link__text {
  display: flex;
  flex-direction: column;
  gap: 2px;
  font-size: 0.86rem;
  line-height: 1.5;
  color: var(--silver);
}

.page-news .stage-link__text strong {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--mist);
}

.page-news .stage-link:hover,
.page-news .stage-link:focus-visible {
  transform: translateX(3px);
}

.page-news .stage-link:hover .stage-link__num,
.page-news .stage-link:focus-visible .stage-link__num {
  color: var(--orange);
}

.page-news .stage-rail__note {
  margin: 18px 0 0;
  font-size: 0.82rem;
  line-height: 1.75;
  color: var(--txt-dim);
}

.page-news .stage-rail__note a {
  color: var(--tide);
  text-underline-offset: 3px;
}

.page-news .stage-rail__note a:hover {
  color: var(--orange);
}

.page-news .headline-card {
  display: block;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  background: linear-gradient(158deg, rgba(18, 52, 77, 0.94) 0%, rgba(7, 26, 43, 0.94) 100%);
}

.page-news .headline-card__media {
  aspect-ratio: 2 / 1;
  overflow: hidden;
  border-bottom: 1px solid var(--line-soft);
}

.page-news .headline-card__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.page-news .headline-card__body {
  padding: 22px 20px 24px;
}

.page-news .headline-card__meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  margin: 0 0 12px;
  font-size: 0.74rem;
  color: var(--silver);
}

.page-news .headline-card__title {
  margin: 0 0 12px;
  font-size: clamp(1.3rem, 4.2vw, 1.75rem);
  line-height: 1.25;
  letter-spacing: -0.01em;
  color: var(--mist);
}

.page-news .headline-card__text {
  margin: 0;
  font-size: 0.95rem;
  line-height: 1.85;
  color: var(--txt-dim);
}

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

.page-news .fold summary {
  display: flex;
  align-items: center;
  gap: 8px;
  cursor: pointer;
  list-style: none;
  font-size: 0.86rem;
  font-weight: 600;
  color: var(--tide);
}

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

.page-news .fold summary::before {
  content: "+";
  font-family: var(--mono);
  font-size: 1rem;
  color: var(--orange);
}

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

.page-news .fold summary:hover {
  color: var(--orange);
}

.page-news .fold__list {
  list-style: none;
  margin: 14px 0 0;
  padding: 0;
  display: grid;
  gap: 8px;
}

.page-news .fold__list li {
  position: relative;
  padding-left: 16px;
  font-size: 0.88rem;
  line-height: 1.7;
  color: var(--txt-dim);
}

.page-news .fold__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.72em;
  width: 7px;
  height: 1px;
  background: var(--tide);
}

.page-news .news-stack {
  list-style: none;
  margin: 22px 0 0;
  padding: 0;
}

.page-news .news-item {
  padding: 16px 0;
  border-bottom: 1px solid var(--line-soft);
  transition: transform 0.18s var(--ease);
}

.page-news .news-item:first-child {
  border-top: 1px solid var(--line-soft);
}

.page-news .news-item:hover {
  transform: translateX(3px);
}

.page-news .news-item__meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  margin: 0 0 8px;
  font-size: 0.72rem;
  color: var(--silver);
}

.page-news .news-item__title {
  margin: 0 0 6px;
  font-size: 1.02rem;
  line-height: 1.5;
  font-weight: 600;
  color: var(--mist);
}

.page-news .news-item__text {
  margin: 0;
  font-size: 0.9rem;
  line-height: 1.8;
  color: var(--txt-dim);
}

.page-news .news-item:hover .tag {
  color: var(--orange);
  border-color: var(--orange);
}

/* ---------- 频道 ---------- */
.page-news .news-channels {
  padding: 48px 0 56px;
  background:
    radial-gradient(70% 60% at 8% 0%, rgba(14, 110, 115, 0.28), transparent 66%),
    var(--deep);
  border-top: 1px solid var(--line-soft);
}

.page-news .section-head {
  max-width: 44em;
}

.page-news .section-head__title {
  margin: 10px 0 12px;
  font-size: clamp(1.6rem, 4.4vw, 2.5rem);
  line-height: 1.18;
  letter-spacing: -0.02em;
  font-weight: 800;
  color: var(--mist);
}

.page-news .section-head__text {
  margin: 0;
  font-size: 0.95rem;
  line-height: 1.85;
  color: var(--txt-dim);
}

.page-news .channel-tabs {
  display: flex;
  gap: 8px;
  margin: 26px 0 6px;
  padding-bottom: 8px;
  overflow-x: auto;
  scrollbar-width: thin;
  scrollbar-color: var(--teal) transparent;
}

.page-news .channel-tabs::-webkit-scrollbar {
  height: 4px;
}

.page-news .channel-tabs::-webkit-scrollbar-thumb {
  background: var(--teal);
  border-radius: 4px;
}

.page-news .channel-tab {
  flex: 0 0 auto;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 9px 16px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(18, 52, 77, 0.55);
  color: var(--txt-dim);
  font-size: 0.88rem;
  white-space: nowrap;
  text-decoration: none;
  transition: color 0.18s var(--ease), border-color 0.18s var(--ease), background 0.18s var(--ease);
}

.page-news .channel-tab .mono {
  font-size: 0.7rem;
  color: var(--tide);
}

.page-news .channel-tab:hover,
.page-news .channel-tab:focus-visible {
  color: var(--mist);
  border-color: var(--orange);
  background: rgba(255, 106, 42, 0.12);
}

.page-news .channel-group {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 18px;
  margin-top: 34px;
  padding-top: 24px;
  border-top: 1px solid var(--line-soft);
  scroll-margin-top: calc(var(--header-h) + 24px);
}

.page-news .channel-group__num {
  display: block;
  font-size: clamp(2rem, 8vw, 3.2rem);
  line-height: 1;
  letter-spacing: -0.03em;
  color: rgba(95, 199, 201, 0.34);
}

.page-news .channel-group__title {
  margin: 8px 0 8px;
  font-size: 1.35rem;
  line-height: 1.3;
  color: var(--mist);
}

.page-news .channel-group__text {
  margin: 0;
  font-size: 0.88rem;
  line-height: 1.8;
  color: var(--txt-dim);
}

.page-news .featured-item {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 14px;
  margin-bottom: 18px;
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(18, 52, 77, 0.5);
}

.page-news .featured-item__media {
  aspect-ratio: 12 / 7;
  border-radius: 12px;
  overflow: hidden;
}

.page-news .featured-item__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.page-news .featured-item__meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  margin: 0 0 8px;
  font-size: 0.72rem;
  color: var(--silver);
}

.page-news .featured-item__title {
  margin: 0 0 8px;
  font-size: 1.05rem;
  line-height: 1.45;
  font-weight: 600;
  color: var(--mist);
}

.page-news .featured-item__text {
  margin: 0;
  font-size: 0.9rem;
  line-height: 1.8;
  color: var(--txt-dim);
}

/* ---------- 专题系列 ---------- */
.page-news .news-series {
  padding: 48px 0 56px;
  background: var(--night);
  border-top: 1px solid var(--line-soft);
}

.page-news .series-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 18px;
  margin-top: 30px;
}

.page-news .series-card {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 20px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: linear-gradient(165deg, rgba(18, 52, 77, 0.6), rgba(2, 7, 12, 0.72));
}

.page-news .series-card__media {
  aspect-ratio: 4 / 3;
  border-radius: 12px;
  overflow: hidden;
  margin-bottom: 4px;
}

.page-news .series-card__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.page-news .series-card__meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  margin: 0;
  font-size: 0.72rem;
  color: var(--silver);
}

.page-news .series-card__title {
  margin: 0;
  font-size: 1.15rem;
  line-height: 1.35;
  color: var(--mist);
}

.page-news .series-card__text {
  margin: 0;
  font-size: 0.9rem;
  line-height: 1.8;
  color: var(--txt-dim);
}

.page-news .series-card__list {
  list-style: none;
  margin: 4px 0 0;
  padding: 0;
  display: grid;
  gap: 7px;
}

.page-news .series-card__list li {
  position: relative;
  padding-left: 15px;
  font-size: 0.85rem;
  line-height: 1.7;
  color: var(--silver);
}

.page-news .series-card__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.72em;
  width: 7px;
  height: 1px;
  background: var(--orange);
}

/* ---------- 更新节奏 ---------- */
.page-news .news-rhythm {
  padding: 48px 0 56px;
  background: var(--deep);
  border-top: 1px solid var(--line-soft);
}

.page-news .rhythm-list {
  list-style: none;
  margin: 30px 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1px;
  background: var(--line-soft);
  border: 1px solid var(--line-soft);
  border-radius: var(--radius);
  overflow: hidden;
}

.page-news .rhythm-item {
  padding: 22px 18px;
  background: rgba(7, 26, 43, 0.95);
  border-top: 2px solid var(--line);
}

.page-news .rhythm-item:first-child {
  border-top-color: var(--orange);
}

.page-news .rhythm-item__num {
  display: block;
  margin-bottom: 10px;
  font-size: 0.74rem;
  letter-spacing: 0.12em;
  color: var(--tide);
}

.page-news .rhythm-item__title {
  margin: 0 0 8px;
  font-size: 1.02rem;
  line-height: 1.4;
  color: var(--mist);
}

.page-news .rhythm-item__text {
  margin: 0;
  font-size: 0.88rem;
  line-height: 1.8;
  color: var(--txt-dim);
}

.page-news .rhythm-foot {
  margin: 22px 0 0;
  max-width: 46em;
  font-size: 0.9rem;
  line-height: 1.85;
  color: var(--txt-dim);
}

.page-news .rhythm-foot a {
  color: var(--orange);
  text-underline-offset: 3px;
}

/* ---------- 合作 ---------- */
.page-news .news-collab {
  padding: 0 0 64px;
  background: var(--deep);
}

.page-news .collab-block {
  padding: 28px 20px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background:
    radial-gradient(80% 120% at 100% 0%, rgba(14, 110, 115, 0.42), transparent 62%),
    linear-gradient(150deg, rgba(18, 52, 77, 0.9), rgba(2, 7, 12, 0.94));
}

.page-news .collab-block__title {
  margin: 10px 0 12px;
  font-size: clamp(1.5rem, 4.2vw, 2.2rem);
  line-height: 1.2;
  letter-spacing: -0.02em;
  font-weight: 800;
  color: var(--mist);
}

.page-news .collab-block__text {
  margin: 0;
  max-width: 44em;
  font-size: 0.94rem;
  line-height: 1.85;
  color: var(--txt-dim);
}

.page-news .collab-block__cols {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 14px;
  margin-top: 24px;
}

.page-news .collab-card {
  padding: 18px;
  border: 1px solid var(--line-soft);
  border-left: 2px solid var(--tide);
  border-radius: 12px;
  background: rgba(7, 26, 43, 0.6);
}

.page-news .collab-card__title {
  margin: 0 0 10px;
  font-size: 1rem;
  line-height: 1.4;
  color: var(--mist);
}

.page-news .collab-card__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 8px;
}

.page-news .collab-card__list li {
  position: relative;
  padding-left: 15px;
  font-size: 0.87rem;
  line-height: 1.7;
  color: var(--silver);
}

.page-news .collab-card__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.75em;
  width: 6px;
  height: 1px;
  background: var(--tide);
}

.page-news .collab-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 24px;
}

.page-news .collab-note {
  margin: 18px 0 0;
  font-size: 0.84rem;
  line-height: 1.8;
  color: var(--txt-dim);
}

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

  .page-news .news-figures__num {
    font-size: 1.75rem;
  }

  .page-news .headline-card__body {
    padding: 26px 26px 28px;
  }

  .page-news .featured-item {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 1fr);
    align-items: center;
    gap: 20px;
    padding: 16px;
  }

  .page-news .featured-item--flip .featured-item__media {
    order: 2;
  }

  .page-news .collab-block {
    padding: 34px 30px;
  }

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

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

  .page-news .rhythm-item:nth-child(2) {
    border-top-color: var(--line);
  }

  .page-news .series-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 16px;
  }
}

@media (min-width: 900px) {
  .page-news {
    --pn-wrap-pad: 32px;
  }

  .page-news .news-hero {
    padding: calc(var(--header-h) + 64px) 0 60px;
  }

  .page-news .news-hero__lede {
    font-size: 1.06rem;
  }

  .page-news .news-board {
    padding: 60px 0 76px;
  }

  .page-news .news-board__grid {
    grid-template-columns: 296px minmax(0, 1fr);
    gap: 56px;
  }

  .page-news .stage-rail {
    position: sticky;
    top: calc(var(--header-h) + 28px);
    align-self: start;
  }

  .page-news .news-channels,
  .page-news .news-series,
  .page-news .news-rhythm {
    padding: 68px 0 76px;
  }

  .page-news .channel-group {
    grid-template-columns: 232px minmax(0, 1fr);
    gap: 44px;
    margin-top: 44px;
    padding-top: 30px;
  }

  .page-news .channel-group__head {
    position: sticky;
    top: calc(var(--header-h) + 28px);
    align-self: start;
  }

  .page-news .channel-group:nth-of-type(even) .channel-group__head {
    margin-top: 18px;
  }

  .page-news .news-collab {
    padding-bottom: 88px;
  }

  .page-news .collab-block {
    padding: 44px 44px 40px;
  }

  .page-news .rhythm-list {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-news .rhythm-item {
    padding: 26px 22px;
  }

  .page-news .series-card {
    padding: 24px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-news .stage-link,
  .page-news .news-item,
  .page-news .channel-tab {
    transition: none;
  }

  .page-news .stage-link:hover,
  .page-news .news-item:hover {
    transform: none;
  }
}
<<<END>>>