.page-news {
  --news-gap: clamp(24px, 3.2vw, 44px);
  background: var(--abyss);
  color: var(--mist);
  font-family: var(--font-body);
}

.page-news .news-topbar {
  padding-top: clamp(14px, 2.4vw, 26px);
}

/* ---------- 首屏 ---------- */
.page-news .news-hero {
  position: relative;
  margin-top: clamp(10px, 1.6vw, 20px);
  padding: clamp(40px, 6vw, 78px) 0 clamp(64px, 9vw, 116px);
  background:
    radial-gradient(120% 92% at 10% 0%, rgba(34, 211, 238, 0.15) 0%, rgba(4, 18, 31, 0) 58%),
    linear-gradient(118deg, var(--stand) 0%, var(--abyss) 68%);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 56px), 0 100%);
  overflow: hidden;
}

.page-news .news-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    repeating-linear-gradient(90deg, rgba(28, 58, 85, 0.62) 0 1px, transparent 1px 96px),
    repeating-linear-gradient(0deg, rgba(28, 58, 85, 0.42) 0 1px, transparent 1px 96px);
  opacity: 0.6;
  pointer-events: none;
}

.page-news .news-hero__inner {
  position: relative;
  z-index: 1;
  display: grid;
  gap: clamp(28px, 4vw, 52px);
  align-items: end;
}

.page-news .eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--cyan);
}

.page-news .idx {
  display: inline-block;
  padding: 2px 6px;
  border: 1px solid var(--line);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.04em;
  color: var(--cyan-soft);
}

.page-news .news-hero__title {
  margin: 14px 0 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(38px, 7vw, 88px);
  line-height: 0.96;
  letter-spacing: -0.02em;
  color: var(--white);
}

.page-news .news-hero__lead {
  margin: clamp(16px, 2vw, 24px) 0 0;
  max-width: 48ch;
  padding-left: 16px;
  border-left: 2px solid var(--cyan);
  font-size: clamp(15px, 1.3vw, 18px);
  line-height: 1.75;
  color: var(--mist);
}

.page-news .news-hero__stats {
  margin: 0;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
}

.page-news .news-hero__stats > div {
  background: rgba(10, 30, 51, 0.9);
  padding: 14px 12px;
}

.page-news .news-hero__stats dt {
  font-size: 11px;
  line-height: 1.45;
  letter-spacing: 0.05em;
  color: var(--slate);
}

.page-news .news-hero__stats dd {
  margin: 8px 0 0;
  font-family: var(--font-mono);
  font-weight: 600;
  font-size: clamp(22px, 3vw, 32px);
  line-height: 1;
  color: var(--cyan-soft);
}

.page-news .news-hero__stats .unit {
  margin-left: 4px;
  font-family: var(--font-body);
  font-size: 12px;
  font-weight: 500;
  color: var(--slate);
}

/* ---------- 章节通用 ---------- */
.page-news .news-section {
  padding: clamp(46px, 6.6vw, 92px) 0;
}

.page-news .section-head {
  display: grid;
  gap: 8px;
  max-width: 62ch;
  margin-bottom: clamp(24px, 3vw, 40px);
}

.page-news .section-head--compact {
  margin-bottom: clamp(18px, 2.2vw, 28px);
}

.page-news .section-head__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(26px, 3.6vw, 44px);
  line-height: 1.1;
  letter-spacing: -0.01em;
  color: var(--white);
}

.page-news .section-head__meta {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--slate);
}

.page-news .media-frame {
  position: relative;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--stand);
}

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

.page-news .media-frame__cap {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.04em;
  color: var(--slate);
  padding: 8px 2px 0;
}

/* ---------- 头条 ---------- */
.page-news .headline-grid {
  display: grid;
  gap: clamp(20px, 3vw, 32px);
}

.page-news .headline-panel {
  display: flex;
  flex-direction: column;
  gap: 14px;
  padding: clamp(20px, 2.6vw, 30px);
  background: var(--panel);
  border: 1px solid var(--line);
  border-left: 2px solid var(--cyan);
  border-radius: var(--radius);
}

.page-news .headline-panel .panel__head {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
}

.page-news .headline-panel__stamp {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  color: var(--lime);
}

.page-news .panel__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(20px, 2.2vw, 26px);
  line-height: 1.2;
  color: var(--white);
}

.page-news .headline-panel__text {
  margin: 0;
  font-size: 15px;
  line-height: 1.72;
  color: var(--mist);
}

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

.page-news .headline-steps li {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding-top: 9px;
  border-top: 1px dashed var(--line);
  font-size: 14px;
  line-height: 1.6;
  color: var(--cyan-soft);
}

.page-news .headline-steps__n {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--coral);
}

.page-news .headline-panel .btn {
  align-self: flex-start;
  margin-top: 4px;
}

/* ---------- 标签 ---------- */
.page-news .tag {
  display: inline-block;
  padding: 3px 9px;
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.06em;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--cyan-soft);
  white-space: nowrap;
}

/* ---------- 文章流 ---------- */
.page-news .news-feed__grid {
  display: grid;
  gap: var(--news-gap);
  align-items: start;
}

.page-news .news-rail {
  display: grid;
  gap: 14px;
  align-content: start;
  padding: 18px;
  background: rgba(10, 30, 51, 0.74);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.page-news .news-rail .toc__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 20px;
  letter-spacing: 0.02em;
  color: var(--white);
}

.page-news .news-rail__note {
  margin: 0;
  font-size: 13px;
  line-height: 1.65;
  color: var(--slate);
}

.page-news .news-rail__chips {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.page-news .rail-chip {
  padding: 9px 13px;
  font-family: var(--font-body);
  font-size: 13px;
  line-height: 1;
  color: var(--mist);
  background: transparent;
  border: 1px solid var(--line);
  border-radius: 999px;
  cursor: pointer;
  transition: color 180ms var(--ease), border-color 180ms var(--ease), background 180ms var(--ease);
}

.page-news .rail-chip:hover {
  border-color: var(--cyan);
  color: var(--cyan-soft);
}

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

.page-news .rail-chip[aria-pressed="true"] {
  background: rgba(34, 211, 238, 0.14);
  border-color: var(--cyan);
  color: var(--cyan-soft);
}

.page-news .news-rail__foot {
  display: grid;
  gap: 10px;
  justify-items: start;
  padding-top: 14px;
  border-top: 1px solid var(--line);
}

.page-news .news-rail__foot p {
  margin: 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--slate);
}

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

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

.page-news .feed-item:last-of-type {
  border-bottom: 1px solid var(--line);
}

.page-news .feed-item__summary {
  position: relative;
  display: block;
  padding: 22px 46px 22px 0;
  cursor: pointer;
  list-style: none;
  outline-offset: 4px;
}

.page-news .feed-item__summary::-webkit-details-marker {
  display: none;
}

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

.page-news .feed-item__time {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  color: var(--slate);
}

.page-news .feed-item__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(19px, 2.3vw, 27px);
  line-height: 1.22;
  color: var(--mist);
  transition: color 180ms var(--ease);
}

.page-news .feed-item__summary:hover .feed-item__title,
.page-news .feed-item[open] .feed-item__title {
  color: var(--cyan-soft);
}

.page-news .feed-item__mark {
  position: absolute;
  top: 50%;
  right: 0;
  width: 30px;
  height: 30px;
  border: 1px solid var(--line);
  transform: translateY(-50%);
  transition: border-color 220ms var(--ease);
}

.page-news .feed-item__mark::before,
.page-news .feed-item__mark::after {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  background: var(--cyan);
  transform: translate(-50%, -50%);
}

.page-news .feed-item__mark::before {
  width: 12px;
  height: 1px;
}

.page-news .feed-item__mark::after {
  width: 1px;
  height: 12px;
  transition: opacity 200ms var(--ease);
}

.page-news .feed-item[open] .feed-item__mark {
  border-color: var(--cyan);
}

.page-news .feed-item[open] .feed-item__mark::after {
  opacity: 0;
}

.page-news .feed-item__body {
  max-width: 70ch;
  padding: 0 46px 26px 0;
}

.page-news .feed-item__body p {
  margin: 0 0 12px;
  font-size: 15px;
  line-height: 1.75;
  color: var(--mist);
}

.page-news .feed-item__body p:last-of-type {
  margin-bottom: 16px;
  color: var(--slate);
}

/* ---------- 专题系列 ---------- */
.page-news .series-grid {
  display: grid;
  gap: clamp(24px, 3vw, 40px);
}

.page-news .series-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
}

.page-news .series-item {
  position: relative;
  padding: 18px 0 18px 62px;
  border-top: 1px solid var(--line);
}

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

.page-news .series-item__idx {
  position: absolute;
  top: 18px;
  left: 0;
  width: 40px;
  height: 40px;
  display: grid;
  place-items: center;
  border: 1px solid var(--line);
  border-radius: 50%;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--cyan);
  transition: border-color 200ms var(--ease), color 200ms var(--ease);
}

.page-news .series-item:hover .series-item__idx {
  border-color: var(--cyan);
  color: var(--cyan-soft);
}

.page-news .series-item__title {
  margin: 0 0 6px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(19px, 2.2vw, 24px);
  color: var(--white);
}

.page-news .series-item p {
  margin: 0;
  max-width: 52ch;
  font-size: 14px;
  line-height: 1.7;
  color: var(--slate);
}

/* ---------- 编辑选读 ---------- */
.page-news .picks-grid {
  display: grid;
  gap: clamp(24px, 3vw, 44px);
}

.page-news .picks-media {
  display: grid;
  gap: 16px;
  align-content: start;
}

.page-news .picks-media__small {
  width: min(100%, 380px);
  margin-left: auto;
}

.page-news .picks-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 14px;
  align-content: start;
}

.page-news .pick {
  display: grid;
  gap: 9px;
  justify-items: start;
  padding: 18px;
  background: rgba(16, 43, 69, 0.62);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  transition: border-color 200ms var(--ease);
}

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

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

.page-news .pick__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(18px, 2vw, 22px);
  line-height: 1.28;
  color: var(--mist);
}

.page-news .pick__text {
  margin: 0;
  font-size: 14px;
  line-height: 1.72;
  color: var(--slate);
}

.page-news .pick__fav {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-top: 2px;
  padding: 7px 14px 7px 11px;
  font-family: var(--font-body);
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--mist);
  background: transparent;
  border: 1px solid var(--line);
  border-radius: 999px;
  cursor: pointer;
  transition: color 180ms var(--ease), border-color 180ms var(--ease);
}

.page-news .pick__fav:hover {
  color: var(--lime);
  border-color: var(--lime);
}

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

.page-news .pick__dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  border: 1px solid var(--slate);
  background: transparent;
  transition: background 180ms var(--ease), border-color 180ms var(--ease), box-shadow 180ms var(--ease);
}

.page-news .pick__fav[aria-pressed="true"] .pick__dot {
  background: var(--lime);
  border-color: var(--lime);
  box-shadow: 0 0 0 3px rgba(163, 230, 53, 0.18);
}

/* ---------- 底部行动区 ---------- */
.page-news .news-cta {
  padding: clamp(40px, 6vw, 76px) 0 clamp(56px, 8vw, 96px);
}

.page-news .news-cta__box {
  display: grid;
  gap: clamp(22px, 3vw, 36px);
  padding: clamp(24px, 4vw, 44px);
  background:
    linear-gradient(120deg, rgba(34, 211, 238, 0.12) 0%, rgba(4, 18, 31, 0) 62%),
    var(--stand);
  border: 1px solid var(--line);
  border-left: 2px solid var(--coral);
  border-radius: var(--radius);
}

.page-news .news-cta__title {
  margin: 10px 0 8px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(24px, 3.2vw, 36px);
  line-height: 1.15;
  color: var(--white);
}

.page-news .news-cta__text {
  margin: 0;
  max-width: 56ch;
  font-size: 15px;
  line-height: 1.72;
  color: var(--slate);
}

.page-news .news-cta__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: flex-start;
}

/* ---------- 响应式 ---------- */
@media (min-width: 780px) {
  .page-news .feed-item:nth-of-type(even) .feed-item__summary,
  .page-news .feed-item:nth-of-type(even) .feed-item__body {
    padding-left: clamp(16px, 3vw, 44px);
  }
}

@media (min-width: 900px) {
  .page-news .news-hero__inner {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
  }

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

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

  .page-news .news-cta__box {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
  }
}

@media (min-width: 940px) {
  .page-news .picks-grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    align-items: start;
  }
}

@media (min-width: 1000px) {
  .page-news .news-feed__grid {
    grid-template-columns: 252px minmax(0, 1fr);
    gap: clamp(32px, 4vw, 60px);
  }

  .page-news .news-rail {
    position: sticky;
    top: 96px;
  }

  .page-news .news-rail__chips {
    flex-direction: column;
    flex-wrap: nowrap;
  }

  .page-news .rail-chip {
    width: 100%;
    text-align: left;
  }
}

@media (max-width: 620px) {
  .page-news .news-hero {
    clip-path: polygon(0 0, 100% 0, 100% calc(100% - 28px), 0 100%);
    padding-bottom: clamp(48px, 12vw, 72px);
  }

  .page-news .news-hero__stats {
    grid-template-columns: 1fr;
  }

  .page-news .feed-item__summary {
    padding-right: 40px;
  }

  .page-news .feed-item__body {
    padding-right: 0;
  }

  .page-news .picks-media__small {
    width: 100%;
    margin-left: 0;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-news *,
  .page-news *::before,
  .page-news *::after {
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
  }
}
<<<END>>>