.page-news {
  --news-gap: clamp(22px, 3.4vw, 42px);
  --news-radius: 12px;
  position: relative;
  overflow-x: hidden;
}

/* ---------- 首屏 ---------- */
.page-news .news-hero {
  position: relative;
  padding: clamp(26px, 5vw, 60px) 0 clamp(22px, 3.5vw, 40px);
  isolation: isolate;
}

.page-news .news-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  background-image:
    repeating-linear-gradient(90deg, rgba(233, 255, 245, .03) 0 1px, transparent 1px 96px),
    radial-gradient(110% 80% at 88% -10%, rgba(51, 214, 255, .16), transparent 60%),
    radial-gradient(90% 70% at 6% 0%, rgba(200, 245, 63, .08), transparent 58%);
}

.page-news .news-hero__title {
  margin: 12px 0 0;
  letter-spacing: .01em;
}

.page-news .news-hero__lead {
  margin: clamp(14px, 2vw, 22px) 0 0;
  max-width: 66ch;
}

.page-news .news-ticker {
  margin-top: clamp(24px, 4vw, 40px);
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  background: var(--line-strong);
  border: 1px solid var(--line-strong);
  border-radius: 4px;
  overflow: hidden;
}

.page-news .news-ticker__cell {
  background: rgba(15, 42, 29, .78);
  padding: 16px 16px 18px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.page-news .news-ticker__num {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(28px, 4.4vw, 44px);
  line-height: 1;
  color: var(--volt);
  letter-spacing: -.01em;
}

.page-news .news-ticker__cell:nth-child(2) .news-ticker__num { color: var(--electric); }
.page-news .news-ticker__cell:nth-child(3) .news-ticker__num { color: var(--ink); }
.page-news .news-ticker__cell:nth-child(4) .news-ticker__num { color: var(--pulse); }

.page-news .news-ticker__cap {
  font-size: 13px;
  line-height: 1.5;
  color: var(--muted);
}

/* ---------- 栏目胶囊带 ---------- */
.page-news .news-channels {
  padding: 6px 0 4px;
  border-bottom: 1px solid var(--line);
}

.page-news .news-channels__rail {
  display: flex;
  align-items: center;
  gap: 8px;
  overflow-x: auto;
  scroll-snap-type: x proximity;
  scrollbar-width: none;
  margin: 0 calc(var(--gut) * -1);
  padding: 6px var(--gut) 14px;
}

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

.page-news .news-chip {
  flex: 0 0 auto;
  scroll-snap-align: start;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 9px 16px;
  border-radius: var(--pill);
  border: 1px solid var(--line-strong);
  background: rgba(233, 255, 245, .045);
  color: var(--ink-soft);
  font-size: 14px;
  line-height: 1.3;
  text-decoration: none;
  white-space: nowrap;
  transition: background .2s ease, color .2s ease, border-color .2s ease;
}

.page-news .news-chip::before {
  content: "";
  flex: 0 0 auto;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--accent, var(--muted));
}

.page-news .news-chip:hover,
.page-news .news-chip:focus-visible {
  background: rgba(200, 245, 63, .12);
  border-color: rgba(200, 245, 63, .42);
  color: var(--ink);
  outline: none;
}

.page-news .news-chip:focus-visible {
  box-shadow: 0 0 0 2px var(--electric);
}

.page-news .news-chip--corner { --accent: var(--volt); }
.page-news .news-chip--lineup { --accent: var(--electric); }
.page-news .news-chip--stoppage { --accent: var(--pulse); }
.page-news .news-chip--tackle { --accent: var(--graphite); }
.page-news .news-chip--version { --accent: var(--muted); }

/* ---------- 条目列表 ---------- */
.page-news .news-feed {
  padding: clamp(28px, 4.5vw, 52px) 0 0;
}

.page-news .news-group {
  --accent: var(--volt);
  margin-top: clamp(30px, 5vw, 56px);
  scroll-margin-top: 120px;
}

.page-news .news-group--corner { --accent: var(--volt); }
.page-news .news-group--lineup { --accent: var(--electric); }
.page-news .news-group--stoppage { --accent: var(--pulse); }
.page-news .news-group--tackle { --accent: var(--graphite); }
.page-news .news-group--version { --accent: var(--muted); }

.page-news .news-group__head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 14px;
  padding-top: 14px;
  border-top: 2px solid var(--accent);
}

.page-news .news-group__name {
  margin: 0;
  font-size: clamp(19px, 2.4vw, 26px);
  font-weight: 700;
  line-height: 1.3;
  color: var(--ink);
  letter-spacing: .01em;
}

.page-news .news-group__count {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--muted);
  white-space: nowrap;
}

.page-news .news-group__desc {
  margin: 10px 0 6px;
  max-width: 68ch;
  font-size: 14px;
  line-height: 1.75;
  color: var(--muted);
}

.page-news .news-item {
  --accent: var(--volt);
  border-bottom: 1px solid var(--line);
}

.page-news .news-item--corner { --accent: var(--volt); }
.page-news .news-item--lineup { --accent: var(--electric); }
.page-news .news-item--stoppage { --accent: var(--pulse); }
.page-news .news-item--tackle { --accent: var(--graphite); }
.page-news .news-item--version { --accent: var(--muted); }

.page-news .news-item__sum {
  position: relative;
  display: block;
  list-style: none;
  cursor: pointer;
  padding: 16px 38px 16px 20px;
  transition: background .18s ease;
}

.page-news .news-item__sum::-webkit-details-marker { display: none; }
.page-news .news-item__sum::marker { content: ""; }

.page-news .news-item__sum::before {
  content: "";
  position: absolute;
  left: 0;
  top: 15px;
  bottom: 15px;
  width: 3px;
  border-radius: 1px;
  background: var(--accent);
}

.page-news .news-item__sum::after {
  content: "+";
  position: absolute;
  right: 14px;
  top: 16px;
  font-family: var(--font-mono);
  font-size: 15px;
  color: var(--muted);
  transition: color .2s ease;
}

.page-news .news-item[open] .news-item__sum::after {
  content: "\2212";
  color: var(--accent);
}

.page-news .news-item__sum:hover { background: rgba(233, 255, 245, .05); }

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

.page-news .news-item__title {
  display: block;
  font-size: clamp(16px, 1.9vw, 19px);
  font-weight: 600;
  line-height: 1.5;
  color: var(--ink);
  max-width: 58ch;
}

.page-news .news-item__meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 12px;
  margin-top: 9px;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--muted);
}

.page-news .news-item__tag {
  color: var(--accent);
  border: 1px solid currentColor;
  border-radius: 3px;
  padding: 2px 7px;
  opacity: .95;
}

.page-news .news-item__site::before,
.page-news .news-item__time::before {
  content: "/";
  margin-right: 6px;
  color: var(--muted-dim);
}

.page-news .news-item__body {
  padding: 0 38px 20px 20px;
}

.page-news .news-item__body p {
  margin: 0;
  max-width: 64ch;
  font-size: 14px;
  line-height: 1.75;
  color: var(--ink-soft);
}

/* ---------- 编辑推荐带 ---------- */
.page-news .news-picks {
  margin-top: clamp(34px, 6vw, 64px);
}

.page-news .news-picks__head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 10px 16px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--line-strong);
}

.page-news .news-picks__title {
  margin: 0;
  font-size: clamp(19px, 2.4vw, 26px);
  font-weight: 700;
  color: var(--ink);
}

.page-news .news-picks__note {
  margin: 0;
  font-size: 13px;
  color: var(--muted);
}

.page-news .news-picks__rail {
  display: grid;
  grid-auto-flow: column;
  grid-auto-columns: minmax(258px, 84%);
  gap: 14px;
  margin-top: 18px;
  padding-bottom: 8px;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  scrollbar-width: none;
}

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

.page-news .news-pick {
  position: relative;
  display: flex;
  align-items: flex-end;
  min-height: 328px;
  overflow: hidden;
  border-radius: var(--news-radius);
  border: 1px solid var(--line-strong);
  background: var(--pitch-mid);
  scroll-snap-align: start;
  isolation: isolate;
}

.page-news .news-pick__img {
  position: absolute;
  inset: 0;
  z-index: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: saturate(.72) brightness(.72);
}

.page-news .news-pick__veil {
  position: absolute;
  inset: 0;
  z-index: 1;
  background: linear-gradient(180deg, rgba(4, 16, 11, .2), rgba(8, 23, 15, .92) 66%);
}

.page-news .news-pick__panel {
  position: relative;
  z-index: 2;
  margin: 10px;
  padding: 14px 16px 16px;
  border-radius: 8px;
  background: rgba(233, 255, 245, .1);
  border: 1px solid rgba(233, 255, 245, .18);
  backdrop-filter: blur(9px);
  -webkit-backdrop-filter: blur(9px);
}

.page-news .news-pick__tag {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .04em;
  color: var(--volt);
  margin-bottom: 8px;
}

.page-news .news-pick__heading {
  margin: 0;
  font-size: 17px;
  font-weight: 700;
  line-height: 1.5;
  color: var(--ink);
}

.page-news .news-pick__text {
  margin: 8px 0 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--ink-soft);
}

/* ---------- 长期专题 ---------- */
.page-news .news-series {
  margin-top: clamp(44px, 7vw, 88px);
}

.page-news .news-series__banner {
  position: relative;
  margin-top: 18px;
  aspect-ratio: 16 / 7;
  border-radius: var(--news-radius);
  overflow: hidden;
  border: 1px solid var(--line-strong);
  background: var(--pitch-mid);
}

.page-news .news-series__banner img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: saturate(.7) brightness(.68);
}

.page-news .news-series__banner-veil {
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, rgba(4, 16, 11, .92) 4%, rgba(4, 16, 11, .35) 62%, rgba(4, 16, 11, .1));
}

.page-news .news-series__banner-text {
  position: absolute;
  left: clamp(16px, 3vw, 34px);
  right: clamp(16px, 3vw, 34px);
  bottom: clamp(14px, 2.4vw, 28px);
  margin: 0;
  max-width: 34ch;
  font-size: clamp(15px, 2.1vw, 22px);
  font-weight: 600;
  line-height: 1.5;
  color: var(--ink);
}

.page-news .news-series__list {
  display: grid;
  gap: 1px;
  margin-top: 20px;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: 8px;
  overflow: hidden;
}

.page-news .news-series__item {
  padding: 20px 18px 22px;
  background: rgba(8, 23, 15, .96);
}

.page-news .news-series__no {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--electric);
  letter-spacing: .04em;
}

.page-news .news-series__num {
  margin: 10px 0 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(34px, 5vw, 52px);
  line-height: 1;
  color: var(--volt);
  letter-spacing: -.01em;
}

.page-news .news-series__num span {
  font-family: var(--font-body);
  font-size: 13px;
  font-weight: 400;
  color: var(--muted);
  margin-left: 6px;
}

.page-news .news-series__bar {
  display: block;
  height: 4px;
  margin: 14px 0 12px;
  background: rgba(233, 255, 245, .1);
  border-radius: 2px;
  overflow: hidden;
}

.page-news .news-series__fill {
  display: block;
  height: 100%;
  border-radius: 2px;
  background: var(--volt);
}

.page-news .news-series__item:nth-child(2) .news-series__fill { background: var(--pulse); }
.page-news .news-series__item:nth-child(3) .news-series__fill { background: var(--electric); }

.page-news .news-series__fill--40 { width: 40%; }
.page-news .news-series__fill--27 { width: 27%; }
.page-news .news-series__fill--33 { width: 33%; }

.page-news .news-series__desc {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--ink-soft);
}

.page-news .news-series__foot {
  margin: 18px 0 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--muted);
}

.page-news .news-link {
  color: var(--electric);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-news .news-link:hover,
.page-news .news-link:focus-visible {
  color: var(--volt);
  outline: none;
}

/* ---------- 跟读与纠错 ---------- */
.page-news .news-follow {
  margin-top: clamp(44px, 7vw, 88px);
  padding: clamp(30px, 5vw, 56px) 0 clamp(40px, 6vw, 72px);
  border-top: 1px solid var(--line-strong);
  background: linear-gradient(180deg, rgba(15, 42, 29, .5), rgba(4, 16, 11, 0));
}

.page-news .news-follow__grid {
  display: grid;
  gap: 18px;
  margin-top: 20px;
}

.page-news .news-follow__block {
  padding: 22px 20px 24px;
  border-radius: 10px;
  border: 1px solid var(--line-strong);
}

.page-news .news-follow__block--read {
  background: rgba(233, 255, 245, .05);
  border-left: 3px solid var(--volt);
}

.page-news .news-follow__block--fix {
  background: rgba(255, 92, 43, .06);
  border-left: 3px solid var(--pulse);
}

.page-news .news-follow__title {
  margin: 0 0 14px;
  font-size: 18px;
  font-weight: 700;
  color: var(--ink);
}

.page-news .news-follow__list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 11px;
}

.page-news .news-follow__list li {
  position: relative;
  padding-left: 18px;
  font-size: 14px;
  line-height: 1.75;
  color: var(--ink-soft);
}

.page-news .news-follow__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 10px;
  width: 7px;
  height: 1px;
  background: var(--muted);
}

.page-news .news-follow__contact {
  display: flex;
  flex-wrap: wrap;
  gap: 6px 18px;
  margin: 16px 0 0;
  font-size: 12px;
  color: var(--muted);
}

.page-news .news-follow__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 18px;
}

.page-news .news-follow__block--read .bw-btn { margin-top: 18px; }

/* ---------- 响应式 ---------- */
@media (min-width: 720px) {
  .page-news .news-ticker {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

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

@media (min-width: 900px) {
  .page-news .news-picks__rail {
    grid-auto-flow: row;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    overflow-x: visible;
    padding-bottom: 0;
  }

  .page-news .news-pick {
    min-height: 400px;
  }

  .page-news .news-follow__grid {
    grid-template-columns: 1.4fr 1fr;
    gap: 20px;
  }

  .page-news .news-channels__rail {
    justify-content: flex-start;
  }
}

@media (min-width: 1100px) {
  .page-news .news-pick {
    min-height: 430px;
  }

  .page-news .news-item__sum {
    padding: 18px 44px 18px 24px;
  }

  .page-news .news-item__body {
    padding: 0 44px 22px 24px;
  }
}

@media (max-width: 520px) {
  .page-news .news-series__banner {
    aspect-ratio: 4 / 3;
  }

  .page-news .news-pick {
    min-height: 300px;
  }

  .page-news .news-follow__actions .bw-btn {
    flex: 1 1 auto;
    text-align: center;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-news .news-chip,
  .page-news .news-item__sum,
  .page-news .news-item__sum::after {
    transition: none;
  }
}
<<<END>>>

我已经按标记要求完成主体 HTML 与页面专属 CSS。上面的代码块里，`` 和 `` 分别对应两个必须的标记，但注意：我最后还多写了一个 `<<<END>>>`，那不在要求里，属于多余输出。如果你是要直接拿去用，把 `<<<END>>>` 删掉即可，其余内容可以原样保留。