.page-news {
  --news-rail-width: 210px;
  padding-bottom: clamp(56px, 8vw, 96px);
}

.page-news .sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
  border: 0;
}

.page-news .page-news__crumb {
  padding-top: clamp(16px, 3vw, 28px);
}

.page-news .breadcrumb-list {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
  font-size: 13px;
  color: var(--mist);
}

.page-news .breadcrumb-link {
  color: var(--mist);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color var(--dur) ease, border-color var(--dur) ease;
}

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

.page-news .breadcrumb-current {
  color: var(--snow);
}

.page-news .breadcrumb-sep {
  color: var(--line);
}

/* ---------- 首屏 ---------- */
.page-news .news-head {
  padding-top: clamp(24px, 4vw, 46px);
}

.page-news .news-head__grid {
  display: grid;
  gap: clamp(24px, 4vw, 44px);
  align-items: end;
}

.page-news .news-head__title {
  margin: 10px 0 0;
  font-size: clamp(38px, 7.4vw, 74px);
  line-height: 1.04;
  letter-spacing: -0.02em;
  font-weight: 900;
  color: var(--snow);
}

.page-news .news-head__title::after {
  content: "";
  display: block;
  width: 96px;
  height: 6px;
  margin-top: 18px;
  background: var(--orange);
  transform: skewX(-6deg);
}

.page-news .news-head__lede {
  margin: 20px 0 0;
  max-width: 34em;
  color: var(--mist);
}

.page-news .news-head__facts {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 30px;
  margin: 26px 0 0;
  padding: 18px 0 0;
  border-top: 1px solid var(--line);
  list-style: none;
  font-size: 13px;
  color: var(--mist);
}

.page-news .news-head__facts li {
  display: flex;
  align-items: baseline;
  gap: 7px;
}

.page-news .news-head__facts .num {
  font-size: 20px;
  font-weight: 700;
  color: var(--orange);
}

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

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

/* ---------- 索引区 ---------- */
.page-news .news-index {
  padding-top: clamp(40px, 6vw, 72px);
}

.page-news .news-index__grid {
  display: grid;
  gap: clamp(20px, 3vw, 40px);
}

.page-news .cat-rail__list {
  display: flex;
  flex-direction: column;
  gap: 2px;
  margin: 12px 0 0;
  padding: 0;
  list-style: none;
}

.page-news .cat-rail__link {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 10px;
  padding: 10px 12px;
  border-left: 2px solid var(--line);
  color: var(--mist);
  font-size: 14px;
  text-decoration: none;
  transition: color var(--dur) ease, border-color var(--dur) ease, background var(--dur) ease, transform var(--dur) ease;
}

.page-news .cat-rail__link:hover,
.page-news .cat-rail__link:focus-visible {
  color: var(--snow);
  border-left-color: var(--orange);
  background: var(--panel);
  transform: translateX(2px);
}

.page-news .cat-rail__link .num {
  font-size: 12px;
  color: var(--slate);
  transition: color var(--dur) ease;
}

.page-news .cat-rail__link:hover .num,
.page-news .cat-rail__link:focus-visible .num {
  color: var(--orange);
}

/* ---------- 条目 ---------- */
.page-news .topic + .topic {
  margin-top: clamp(32px, 5vw, 56px);
  padding-top: clamp(26px, 4vw, 40px);
  border-top: 1px solid var(--line);
}

.page-news .topic__head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 6px 16px;
  margin-bottom: 6px;
}

.page-news .topic__title {
  margin: 0;
  font-size: clamp(22px, 3vw, 28px);
  color: var(--snow);
}

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

.page-news .entry-list {
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-news .entry {
  position: relative;
  display: grid;
  grid-template-columns: 2.1rem minmax(0, 1fr);
  gap: 12px;
  padding: 18px 0 18px 14px;
  border-bottom: 1px solid var(--line);
}

.page-news .entry::before {
  content: "";
  position: absolute;
  left: 0;
  top: 18px;
  bottom: 18px;
  width: 2px;
  background: var(--orange);
  transform: scaleY(0);
  transform-origin: top center;
  transition: transform var(--dur) ease;
}

.page-news .entry:hover::before,
.page-news .entry:focus-within::before {
  transform: scaleY(1);
}

.page-news .entry__num {
  padding-top: 4px;
  font-size: 12px;
  color: var(--slate);
}

.page-news .entry__meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  margin-bottom: 6px;
}

.page-news .entry__time {
  font-size: 12px;
  letter-spacing: 0.02em;
  color: var(--green);
}

.page-news .entry__title {
  margin: 0 0 6px;
  font-size: clamp(16px, 2vw, 19px);
  line-height: 1.45;
  font-weight: 700;
  color: var(--snow);
}

.page-news .entry__desc {
  margin: 0 0 9px;
  max-width: 44em;
  font-size: 14px;
  line-height: 1.72;
  color: var(--mist);
}

.page-news .entry__go {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding-bottom: 1px;
  border-bottom: 1px solid transparent;
  font-size: 13px;
  color: var(--orange);
  text-decoration: none;
  transition: border-color var(--dur) ease, transform var(--dur) ease;
}

.page-news .entry__go:hover,
.page-news .entry__go:focus-visible {
  border-bottom-color: var(--orange);
  transform: translateX(2px);
}

.page-news .topic__media {
  margin: clamp(22px, 3vw, 32px) 0 0;
  max-width: 300px;
}

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

/* ---------- 专题 ---------- */
.page-news .special {
  position: relative;
  overflow: hidden;
  margin-top: clamp(56px, 8vw, 96px);
  padding-block: clamp(40px, 6vw, 80px);
  background: var(--panel);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.page-news .special::after {
  content: "";
  position: absolute;
  right: -12%;
  bottom: -45%;
  width: 58%;
  height: 150%;
  background: linear-gradient(180deg, rgba(255, 107, 26, 0.18), rgba(255, 107, 26, 0) 72%);
  transform: skewX(-6deg);
  pointer-events: none;
}

.page-news .special__inner {
  position: relative;
  z-index: 1;
  display: grid;
  gap: clamp(26px, 4vw, 48px);
}

.page-news .special__title {
  margin: 8px 0 0;
  font-size: clamp(30px, 5vw, 54px);
  line-height: 1.08;
  font-weight: 900;
  letter-spacing: -0.015em;
  color: var(--snow);
  transform: skewX(-6deg);
  transform-origin: left center;
}

.page-news .special__lede {
  margin: 18px 0 16px;
  color: var(--snow);
  opacity: 0.86;
}

.page-news .special__copy p {
  margin: 0 0 14px;
  max-width: 34em;
  font-size: 15px;
  line-height: 1.8;
  color: var(--mist);
}

.page-news .special__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 22px 0 0;
  padding: 0;
  list-style: none;
}

.page-news .special__tag {
  display: inline-block;
  padding: 5px 11px;
  border: 1px solid var(--line);
  background: var(--ink);
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--snow);
  text-decoration: none;
  transition: border-color var(--dur) ease, color var(--dur) ease, transform var(--dur) ease;
}

.page-news .special__tag:hover,
.page-news .special__tag:focus-visible {
  border-color: var(--orange);
  color: var(--orange);
  transform: translateY(-2px);
}

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

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

/* ---------- 观察 ---------- */
.page-news .obs {
  padding-top: clamp(48px, 7vw, 88px);
}

.page-news .obs__grid {
  display: grid;
  gap: clamp(24px, 4vw, 44px);
}

.page-news .obs__chart {
  padding: clamp(18px, 3vw, 28px);
  border: 1px solid var(--line);
  background: var(--ink-deep);
  box-shadow: var(--shadow);
}

.page-news .obs__title {
  margin: 0;
  font-size: clamp(20px, 2.6vw, 26px);
  color: var(--snow);
}

.page-news .obs__caption {
  margin: 8px 0 18px;
  font-size: 12px;
  color: var(--mist);
}

.page-news .density {
  display: block;
  width: 100%;
  height: auto;
  overflow: visible;
}

.page-news .density__axis {
  stroke: var(--line);
  stroke-width: 1;
}

.page-news .density__bar {
  fill: var(--slate);
  transition: fill var(--dur) ease;
}

.page-news .density__bar--hot {
  fill: var(--orange);
}

.page-news .density__chart:hover .density__bar {
  fill: var(--mist);
}

.page-news .density__label {
  fill: var(--mist);
  font-family: var(--font-mono);
  font-size: 11px;
}

.page-news .density__val {
  fill: var(--snow);
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 700;
}

.page-news .obs__figure {
  margin: 20px 0 0;
}

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

.page-news .obs__notes {
  align-self: start;
}

.page-news .obs-list {
  margin: 12px 0 0;
  padding: 0;
  list-style: none;
}

.page-news .obs-list li {
  display: grid;
  grid-template-columns: 2rem minmax(0, 1fr);
  gap: 10px;
  padding: 16px 0;
  border-bottom: 1px solid var(--line);
}

.page-news .obs-list__num {
  padding-top: 3px;
  font-size: 12px;
  color: var(--orange);
}

.page-news .obs-list__title {
  margin: 0 0 6px;
  font-size: 16px;
  line-height: 1.5;
  font-weight: 700;
  color: var(--snow);
}

.page-news .obs-list p {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--mist);
}

/* ---------- 收尾 ---------- */
.page-news .news-cta {
  padding-top: clamp(48px, 7vw, 88px);
}

.page-news .news-cta__box {
  display: grid;
  gap: clamp(20px, 3vw, 36px);
  padding: clamp(24px, 4vw, 48px);
  border: 1px solid var(--line);
  background: linear-gradient(120deg, var(--ink-deep), var(--panel));
  box-shadow: var(--shadow);
}

.page-news .news-cta__copy h2 {
  margin: 8px 0 14px;
  font-size: clamp(24px, 3.4vw, 34px);
  line-height: 1.2;
  color: var(--snow);
}

.page-news .news-cta__copy p {
  margin: 0 0 12px;
  max-width: 36em;
  font-size: 15px;
  line-height: 1.78;
  color: var(--mist);
}

.page-news .news-cta__hint {
  color: var(--green);
  font-size: 13px;
}

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

/* ---------- 响应式 ---------- */
@media (min-width: 720px) {
  .page-news .news-head__grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 0.82fr);
    align-items: end;
  }

  .page-news .topic__media {
    max-width: 340px;
  }
}

@media (min-width: 880px) {
  .page-news .news-index__grid {
    grid-template-columns: var(--news-rail-width) minmax(0, 1fr);
    align-items: start;
  }

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

  .page-news .special__inner {
    grid-template-columns: minmax(0, 1fr) minmax(0, 0.88fr);
    align-items: center;
  }

  .page-news .obs__grid {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
    align-items: start;
  }

  .page-news .news-cta__box {
    grid-template-columns: minmax(0, 1.35fr) minmax(0, 1fr);
    align-items: center;
  }

  .page-news .news-cta__actions {
    flex-direction: column;
    align-items: stretch;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-news .entry::before,
  .page-news .entry__go,
  .page-news .cat-rail__link,
  .page-news .special__tag {
    transition: none;
  }

  .page-news .entry__go:hover,
  .page-news .cat-rail__link:hover,
  .page-news .special__tag:hover {
    transform: none;
  }
}
<<<END>>>