.page-news {
  --news-line: rgba(143, 163, 186, .18);
  --news-card-bg: linear-gradient(152deg, rgba(22, 35, 61, .88), rgba(11, 20, 36, .82));
  --news-lead-bg: linear-gradient(168deg, rgba(22, 35, 61, .96), rgba(6, 10, 18, .94));
  padding-bottom: clamp(48px, 7vw, 96px);
}

.page-news .crumbs {
  margin-bottom: clamp(14px, 2vw, 22px);
}

/* 首屏 */
.page-news .news-intro {
  position: relative;
  padding: clamp(20px, 3vw, 34px) 0 clamp(18px, 2.6vw, 28px);
  border-bottom: 1px solid var(--news-line);
  background:
    radial-gradient(120% 92% at 88% -18%, rgba(53, 240, 208, .12), transparent 62%),
    radial-gradient(80% 70% at 4% 0%, rgba(255, 154, 77, .07), transparent 66%);
}

.page-news .news-intro__head {
  display: flex;
  gap: clamp(16px, 3vw, 40px);
  align-items: flex-start;
  justify-content: space-between;
}

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

.page-news .news-intro h1 {
  margin: .28em 0 .42em;
  font-size: clamp(30px, 5.4vw, 54px);
  line-height: 1.08;
  font-weight: 900;
  letter-spacing: -.02em;
  color: var(--silver);
}

.page-news .news-intro .lede {
  max-width: 62ch;
  margin: 0;
  font-size: clamp(14px, 1.5vw, 15.5px);
  line-height: 1.9;
  color: var(--mist);
}

.page-news .news-intro__rail {
  display: none;
  margin: 0;
  writing-mode: vertical-rl;
  text-orientation: mixed;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .34em;
  color: var(--mist);
  border-left: 1px solid var(--news-line);
  padding-left: 10px;
  white-space: nowrap;
}

.page-news .news-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 26px;
  margin: clamp(18px, 2.6vw, 26px) 0 0;
  padding: 0;
  list-style: none;
}

.page-news .news-meta__item {
  display: inline-flex;
  align-items: baseline;
  gap: 7px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: .1em;
  color: var(--mist);
}

.page-news .news-meta__num {
  font-size: 21px;
  font-weight: 700;
  letter-spacing: .04em;
  color: var(--cyan);
}

/* 首条宽卡 + 专题档案 */
.page-news .news-top {
  margin-top: clamp(24px, 4vw, 44px);
  align-items: start;
}

.page-news .news-lead {
  padding: 0;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  background: var(--news-lead-bg);
  border: 1px solid var(--news-line);
}

.page-news .news-lead__media {
  overflow: hidden;
  border-bottom: 1px solid var(--news-line);
  background: linear-gradient(150deg, #16233D, #060A12);
}

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

.page-news .news-lead__body {
  padding: clamp(18px, 2.6vw, 30px);
  display: flex;
  flex-direction: column;
  gap: 12px;
}

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

.page-news .news-lead__title {
  margin: 0;
  font-size: clamp(21px, 2.7vw, 30px);
  line-height: 1.35;
  font-weight: 800;
  letter-spacing: -.01em;
  color: var(--silver);
}

.page-news .news-lead__excerpt {
  margin: 0;
  font-size: 14px;
  line-height: 1.85;
  color: var(--mist);
}

.page-news .news-lead__foot {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 22px;
  margin-top: 4px;
  padding-top: 14px;
  border-top: 1px dashed var(--news-line);
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: .08em;
  color: var(--mist);
}

.page-news .news-lead__foot .data-num {
  font-size: 15px;
  color: var(--cyan);
}

.page-news .news-dossiers {
  padding: clamp(18px, 2.6vw, 28px);
  background: var(--news-card-bg);
  border: 1px solid var(--news-line);
  display: flex;
  flex-direction: column;
}

.page-news .news-dossiers__title {
  margin: 0 0 8px;
  font-size: clamp(17px, 1.9vw, 20px);
  font-weight: 800;
  color: var(--silver);
}

.page-news .news-dossiers__note {
  margin: 0 0 6px;
  font-size: 12.5px;
  line-height: 1.7;
  color: var(--mist);
}

.page-news .dossier {
  border-top: 1px solid rgba(143, 163, 186, .12);
}

.page-news .dossier:first-of-type {
  border-top: 0;
}

.page-news .dossier summary {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: center;
  gap: 12px;
  padding: 13px 0;
  cursor: pointer;
  list-style: none;
}

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

.page-news .dossier summary::marker {
  content: "";
}

.page-news .dossier__num {
  font-family: var(--font-mono);
  font-size: 19px;
  font-weight: 700;
  letter-spacing: .08em;
  color: var(--amber);
  transition: color .3s var(--ease);
}

.page-news .dossier__name {
  font-size: 13.5px;
  line-height: 1.5;
  color: var(--silver);
}

.page-news .dossier__count {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .1em;
  color: var(--mist);
}

.page-news .dossier[open] .dossier__num {
  color: var(--cyan);
}

.page-news .dossier__issues {
  margin: 0 0 14px;
  padding: 0 0 0 12px;
  list-style: none;
  display: grid;
  gap: 8px;
  border-left: 1px solid var(--news-line);
}

.page-news .dossier__issues li {
  font-size: 12.5px;
  line-height: 1.65;
  color: var(--mist);
}

/* 文章时间流 */
.page-news .news-feed {
  margin-top: clamp(30px, 5vw, 58px);
}

.page-news .stream-head {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 14px 20px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--news-line);
}

.page-news .stream-title {
  margin: 0;
  font-size: clamp(19px, 2.2vw, 24px);
  font-weight: 800;
  color: var(--silver);
}

.page-news .stream-head .filter-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.page-news .news-stream {
  display: grid;
  gap: 14px;
  margin-top: 18px;
}

.page-news .col-item {
  position: relative;
  display: grid;
  gap: 10px;
  padding: clamp(16px, 2.2vw, 22px);
  border: 1px solid var(--news-line);
  border-radius: var(--r-lg);
  background: var(--news-card-bg);
  transition: transform .35s var(--ease), border-color .35s var(--ease), box-shadow .35s var(--ease);
}

.page-news .col-item::before {
  content: "";
  position: absolute;
  left: -1px;
  top: 22px;
  bottom: 22px;
  width: 3px;
  border-radius: var(--r-pill);
  background: var(--cyan);
  opacity: 0;
  transition: opacity .35s var(--ease);
}

.page-news .col-item:hover,
.page-news .col-item:focus-within {
  transform: translateY(-2px);
  border-color: rgba(53, 240, 208, .42);
  box-shadow: 0 14px 34px -22px var(--cyan-glow);
}

.page-news .col-item:hover::before,
.page-news .col-item:focus-within::before {
  opacity: 1;
}

.page-news .col-item__meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
}

.page-news .col-item__meta .pill {
  font-size: 11px;
  letter-spacing: .04em;
}

.page-news .col-item__time {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .08em;
  color: var(--mist);
}

.page-news .col-item__time::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--cyan);
  box-shadow: 0 0 0 3px rgba(53, 240, 208, .14);
}

.page-news .col-item__body {
  min-width: 0;
}

.page-news .col-item__title {
  margin: 0 0 8px;
  font-size: clamp(16px, 1.8vw, 19px);
  line-height: 1.45;
  font-weight: 700;
  color: var(--silver);
}

.page-news .col-item__excerpt {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.85;
  color: var(--mist);
}

.page-news .col-item__media {
  margin-top: 14px;
  border-radius: var(--r-md);
  overflow: hidden;
  border: 1px solid rgba(143, 163, 186, .1);
  background: linear-gradient(150deg, #16233D, #060A12);
}

.page-news .col-item__media img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  aspect-ratio: 5 / 3;
  object-fit: cover;
}

/* 收口 */
.page-news .news-close {
  display: grid;
  gap: 14px;
  margin-top: clamp(34px, 5vw, 60px);
}

.page-news .news-close__panel {
  position: relative;
  overflow: hidden;
  padding: clamp(22px, 3.2vw, 38px);
  border-radius: var(--r-xl);
  border: 1px solid rgba(255, 154, 77, .3);
  background: linear-gradient(140deg, rgba(255, 154, 77, .16), rgba(22, 35, 61, .94) 58%, rgba(11, 20, 36, .96));
}

.page-news .news-close__panel::after {
  content: "";
  position: absolute;
  inset-inline-end: -60px;
  top: -80px;
  width: 260px;
  height: 260px;
  border-radius: 50%;
  background: radial-gradient(closest-side, rgba(255, 196, 107, .22), transparent 72%);
  pointer-events: none;
}

.page-news .news-close__title {
  position: relative;
  margin: .3em 0 .6em;
  font-size: clamp(22px, 3vw, 33px);
  line-height: 1.28;
  font-weight: 900;
  letter-spacing: -.01em;
  color: var(--silver);
}

.page-news .news-close__text {
  position: relative;
  margin: 0;
  max-width: 56ch;
  font-size: 13.5px;
  line-height: 1.9;
  color: var(--mist);
}

.page-news .news-close__links {
  display: grid;
  gap: 10px;
}

.page-news .close-link {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  padding: 14px 16px;
  border-radius: var(--r-md);
  border: 1px solid var(--news-line);
  background: rgba(22, 35, 61, .52);
  color: var(--silver);
  text-decoration: none;
  transition: border-color .3s var(--ease), background .3s var(--ease), transform .3s var(--ease);
}

.page-news .close-link:hover,
.page-news .close-link:focus-visible {
  transform: translateY(-1px);
  border-color: rgba(53, 240, 208, .48);
  background: rgba(22, 35, 61, .86);
}

.page-news .close-link__label {
  display: flex;
  flex-direction: column;
  gap: 4px;
  font-size: 14px;
  font-weight: 600;
  line-height: 1.4;
}

.page-news .close-link__label small {
  font-size: 12px;
  font-weight: 400;
  letter-spacing: .01em;
  color: var(--mist);
}

.page-news .close-link__arrow {
  flex: none;
  font-family: var(--font-mono);
  font-size: 15px;
  color: var(--cyan);
}

/* 响应式 */
@media (min-width: 720px) {
  .page-news .col-item {
    grid-template-columns: 132px minmax(0, 1fr);
    gap: 6px 22px;
    align-items: start;
  }

  .page-news .col-item__meta {
    flex-direction: column;
    align-items: flex-start;
    gap: 8px;
    padding-top: 3px;
  }

  .page-news .col-item:nth-child(even) {
    margin-inline-start: clamp(0px, 1.6vw, 26px);
  }

  .page-news .news-close {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    gap: 16px;
    align-items: start;
  }
}

@media (min-width: 820px) {
  .page-news .news-intro__rail {
    display: block;
  }
}

@media (min-width: 1024px) {
  .page-news .news-close {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-news .col-item,
  .page-news .col-item::before,
  .page-news .close-link,
  .page-news .dossier__num {
    transition: none;
  }

  .page-news .col-item:hover,
  .page-news .col-item:focus-within,
  .page-news .close-link:hover {
    transform: none;
  }
}
<<<END>>>