.page-news {
  --news-rail: 24px;
  --news-dot: 9px;
}

.page-news .section {
  padding-block: clamp(48px, 7vw, 88px);
  border-top: 1px solid var(--line-soft);
}

.page-news .section__head {
  margin-bottom: 28px;
}

.page-news .section__head h2,
.page-news h2 {
  font-family: var(--font-display);
  font-size: clamp(24px, 3.4vw, 36px);
  line-height: 1.16;
  letter-spacing: -0.01em;
  color: var(--fog);
  margin: 8px 0 0;
}

.page-news .breadcrumb {
  padding-top: 20px;
}

/* ——— 首屏 ——— */
.page-news .news-hero {
  position: relative;
  overflow: hidden;
  border-bottom: 1px solid var(--line);
  border-top: 1px solid var(--line-soft);
  background:
    radial-gradient(1100px 480px at 84% -8%, rgba(45, 226, 230, 0.16), transparent 62%),
    radial-gradient(820px 420px at 6% 112%, rgba(255, 159, 28, 0.12), transparent 66%),
    var(--ink-900);
}

.page-news .news-hero__bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.page-news .news-hero__bg .media__img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.4;
  display: block;
}

.page-news .news-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 1;
  pointer-events: none;
  background: linear-gradient(180deg, rgba(7, 21, 35, 0.28) 0%, rgba(7, 21, 35, 0.74) 56%, var(--ink-900) 100%);
}

.page-news .news-hero__inner {
  position: relative;
  z-index: 2;
  padding-block: clamp(52px, 9vw, 108px);
  max-width: 900px;
}

.page-news .news-hero__title {
  font-family: var(--font-display);
  font-size: clamp(34px, 6.6vw, 76px);
  line-height: 1.05;
  letter-spacing: -0.02em;
  color: var(--fog);
  margin: 14px 0 0;
  max-width: 16ch;
}

.page-news .news-hero__lede {
  margin-top: 20px;
  max-width: 54ch;
  color: var(--fog-dim);
}

.page-news .news-hero__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 26px;
}

/* ——— 当前轮次 ——— */
.page-news .news-headline__grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  background: var(--line-soft);
  border: 1px solid var(--line-soft);
}

.page-news .news-stat {
  background: var(--ink-800);
  padding: 22px 16px;
  min-width: 0;
  transition: background 0.25s var(--ease);
}

.page-news .news-stat:hover,
.page-news .news-stat:focus-within {
  background: #0f2740;
}

.page-news .news-stat__key {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--slate);
  margin: 0;
}

.page-news .news-stat__val {
  font-family: var(--font-mono);
  font-size: clamp(20px, 2.6vw, 26px);
  color: var(--fog);
  margin: 10px 0 0;
  letter-spacing: 0.02em;
  overflow-wrap: anywhere;
}

.page-news .news-stat__note {
  margin: 10px 0 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--fog-dim);
}

/* ——— 动态流 + 专题 ——— */
.page-news .news-stream__layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 48px;
}

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

.page-news .news-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 30px;
}

.page-news .news-tag {
  display: inline-flex;
  align-items: center;
  padding: 7px 14px;
  border: 1px solid var(--line);
  color: var(--fog-dim);
  font-size: 13px;
  letter-spacing: 0.04em;
  text-decoration: none;
  background: transparent;
  transition: border-color 0.22s var(--ease), color 0.22s var(--ease), background 0.22s var(--ease);
}

.page-news .news-tag:hover,
.page-news .news-tag:focus-visible {
  border-color: var(--cyan);
  color: var(--fog);
  background: rgba(45, 226, 230, 0.08);
}

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

.page-news .news-feed::before {
  content: "";
  position: absolute;
  left: 4px;
  top: 10px;
  bottom: 10px;
  width: 1px;
  background: linear-gradient(180deg, var(--cyan) 0%, var(--line) 42%, var(--line-soft) 100%);
  opacity: 0.8;
}

.page-news .news-item {
  position: relative;
  padding-left: calc(var(--news-rail) + 6px);
  padding-bottom: 30px;
}

.page-news .news-item:last-child {
  padding-bottom: 0;
}

.page-news .news-item::before {
  content: "";
  position: absolute;
  left: 0;
  top: 7px;
  width: var(--news-dot);
  height: var(--news-dot);
  background: var(--ink-900);
  border: 1px solid var(--slate);
  transition: background 0.24s var(--ease), border-color 0.24s var(--ease), box-shadow 0.24s var(--ease);
}

.page-news .news-item:hover::before,
.page-news .news-item:focus-within::before {
  background: var(--cyan);
  border-color: var(--cyan);
  box-shadow: 0 0 0 4px rgba(45, 226, 230, 0.16);
}

.page-news .news-item__meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  margin: 0 0 10px;
}

.page-news .news-item__idx {
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--slate);
}

.page-news .news-item__title {
  font-family: var(--font-display);
  font-size: clamp(18px, 2.2vw, 22px);
  line-height: 1.34;
  letter-spacing: -0.01em;
  margin: 0;
}

.page-news .news-item__link {
  color: var(--fog);
  text-decoration: none;
  background-image: linear-gradient(var(--cyan), var(--cyan));
  background-repeat: no-repeat;
  background-position: 0 100%;
  background-size: 0 1px;
  transition: background-size 0.28s var(--ease), color 0.22s var(--ease);
}

.page-news .news-item__link:hover,
.page-news .news-item__link:focus-visible {
  color: var(--cyan);
  background-size: 100% 1px;
}

.page-news .news-item__text {
  margin: 8px 0 0;
  font-size: 14.5px;
  line-height: 1.78;
  color: var(--fog-dim);
  max-width: 44ch;
}

/* ——— 专题侧栏 ——— */
.page-news .news-side {
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.page-news .news-side__media {
  margin: 0 0 6px;
}

.page-news .news-side .section__head {
  margin-bottom: 6px;
}

.page-news .news-side__title {
  font-size: clamp(21px, 2.6vw, 26px);
}

.page-news .news-series-card {
  background: var(--ink-800);
  border: 1px solid var(--line-soft);
  border-left: 2px solid var(--line);
  padding: 18px 16px;
  transition: border-color 0.24s var(--ease), border-left-color 0.24s var(--ease), background 0.24s var(--ease);
}

.page-news .news-series-card:hover,
.page-news .news-series-card:focus-within {
  border-color: rgba(45, 226, 230, 0.5);
  border-left-color: var(--cyan);
  background: #0f2740;
}

.page-news .news-series-card__meta {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--gold);
}

.page-news .news-series-card__title {
  margin: 8px 0 0;
  font-family: var(--font-display);
  font-size: 18px;
  line-height: 1.4;
  letter-spacing: -0.01em;
}

.page-news .news-series-card__link {
  color: var(--fog);
  text-decoration: none;
  transition: color 0.22s var(--ease);
}

.page-news .news-series-card__link:hover,
.page-news .news-series-card__link:focus-visible {
  color: var(--cyan);
}

.page-news .news-series-card__text {
  margin: 8px 0 0;
  font-size: 13.5px;
  line-height: 1.75;
  color: var(--fog-dim);
}

/* ——— 更新节奏 ——— */
.page-news .news-cadence__layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 32px;
  align-items: center;
}

.page-news .news-cadence__text {
  margin: 16px 0 0;
  max-width: 46ch;
  font-size: 15px;
  line-height: 1.8;
  color: var(--fog-dim);
}

.page-news .news-cadence__facts {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  background: var(--line-soft);
  border: 1px solid var(--line-soft);
  margin: 26px 0 0;
}

.page-news .news-fact {
  background: var(--ink-800);
  padding: 16px 14px;
  min-width: 0;
}

.page-news .news-fact__key {
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--slate);
  margin: 0;
}

.page-news .news-fact__val {
  margin: 8px 0 0;
  font-family: var(--font-mono);
  font-size: clamp(17px, 2.2vw, 21px);
  color: var(--cyan);
}

.page-news .news-cadence__note {
  margin: 22px 0 0;
  font-size: 13.5px;
  line-height: 1.78;
  color: var(--fog-dim);
  border-left: 2px solid var(--line);
  padding-left: 14px;
}

.page-news .news-cadence__mail {
  color: var(--fog);
  font-family: var(--font-mono);
  font-size: 13px;
  overflow-wrap: anywhere;
}

.page-news .news-cadence__media {
  margin: 0;
}

/* ——— 索引 ——— */
.page-news .news-index__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1px;
  background: var(--line-soft);
  border: 1px solid var(--line-soft);
}

.page-news .news-index__col {
  background: var(--ink-800);
  padding: 20px 16px;
  min-width: 0;
  transition: background 0.24s var(--ease);
}

.page-news .news-index__col:hover,
.page-news .news-index__col:focus-within {
  background: #0f2740;
}

.page-news .news-index__title {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--cyan);
}

.page-news .news-index__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 9px;
}

.page-news .news-index__link {
  color: var(--fog-dim);
  font-size: 13.5px;
  line-height: 1.6;
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color 0.22s var(--ease), border-color 0.22s var(--ease);
}

.page-news .news-index__link:hover,
.page-news .news-index__link:focus-visible {
  color: var(--fog);
  border-bottom-color: var(--gold);
}

.page-news .news-lookup-bar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 14px;
  margin-top: 22px;
  padding: 14px 16px;
  border: 1px dashed var(--line);
}

.page-news .news-lookup-bar__label {
  margin: 0;
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--slate);
}

.page-news .news-lookup-bar__link {
  font-size: 13px;
  color: var(--fog-dim);
  text-decoration: none;
  padding: 3px 9px;
  border: 1px solid var(--line);
  transition: color 0.22s var(--ease), border-color 0.22s var(--ease), background 0.22s var(--ease);
}

.page-news .news-lookup-bar__link:hover,
.page-news .news-lookup-bar__link:focus-visible {
  color: var(--ink-900);
  background: var(--cyan);
  border-color: var(--cyan);
}

.page-news .news-index__more {
  margin: 24px 0 0;
  font-size: 13.5px;
  line-height: 1.85;
  color: var(--fog-dim);
  max-width: 60ch;
}

.page-news .news-index__more-link {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(45, 226, 230, 0.4);
  transition: border-color 0.22s var(--ease);
}

.page-news .news-index__more-link:hover,
.page-news .news-index__more-link:focus-visible {
  border-bottom-color: var(--cyan);
}

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

  .page-news .news-stat {
    padding: 26px 20px;
  }

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

@media (min-width: 900px) {
  .page-news .news-cadence__layout {
    grid-template-columns: minmax(0, 1fr) minmax(0, 420px);
    gap: 48px;
  }

  .page-news .news-feed::before {
    left: 4px;
  }
}

@media (min-width: 1000px) {
  .page-news .news-stream__layout {
    grid-template-columns: minmax(0, 1fr) 358px;
    gap: 56px;
    align-items: start;
  }

  .page-news .news-index__grid {
    grid-template-columns: repeat(5, minmax(0, 1fr));
  }
}

@media (max-width: 420px) {
  .page-news .news-hero__title {
    font-size: 30px;
  }

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

  .page-news .news-item__text,
  .page-news .news-series-card__text {
    font-size: 14px;
  }
}
<<<END>>>
```