.page-news {
  --news-rail-w: 220px;
  background: var(--ink);
  color: var(--paper);
  padding-top: var(--header-h);
}

/* ---------- 报头 ---------- */
.page-news .news-masthead {
  position: relative;
  padding: clamp(18px, 3vw, 32px) 0 clamp(10px, 1.6vw, 18px);
  background:
    radial-gradient(120% 90% at 50% 0%, rgba(217, 164, 65, .16), transparent 62%),
    var(--ink);
}

.page-news .news-masthead::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 3px;
  background: linear-gradient(90deg,
    var(--flag-blue) 0%,
    var(--butter) 26%,
    var(--cinnabar) 52%,
    var(--flag-green) 76%,
    var(--gold) 100%);
  opacity: .82;
}

.page-news .news-masthead__grid {
  display: grid;
  gap: clamp(10px, 1.4vw, 16px);
  padding-top: clamp(18px, 2.6vw, 30px);
}

.page-news .news-masthead__eyebrow {
  margin: 0;
  color: var(--gold);
  letter-spacing: .18em;
}

.page-news .news-masthead__title {
  margin: 0;
  color: var(--gold-hi);
  text-shadow:
    0 1px 0 rgba(217, 164, 65, .55),
    0 0 32px rgba(217, 164, 65, .18);
}

.page-news .news-masthead__lede {
  margin: 0;
  max-width: 60ch;
  color: rgba(244, 239, 230, .88);
}

.page-news .news-masthead__stamp {
  margin: 0;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 12px;
  font-size: var(--fs-micro);
  letter-spacing: .08em;
  color: var(--ink-black);
  background: var(--butter);
  border-left: 3px solid var(--cinnabar);
  justify-self: start;
}

/* ---------- 栏目头图 ---------- */
.page-news .news-hero {
  margin: clamp(16px, 2.6vw, 28px) 0 0;
}

.page-news .news-hero img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 2 / 1;
  object-fit: cover;
  border: 1px solid var(--gold-line-strong);
}

/* ---------- 横向栏目跳转 ---------- */
.page-news .news-jump {
  margin-top: clamp(18px, 2.6vw, 28px);
  border-top: 1px solid var(--gold-line);
  border-bottom: 1px solid var(--gold-line);
  background: var(--ink-2);
}

.page-news .news-jump__inner {
  display: flex;
  gap: clamp(6px, 1.2vw, 14px);
  padding-top: 10px;
  padding-bottom: 10px;
  overflow-x: auto;
  scrollbar-width: thin;
}

.page-news .news-jump__link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  flex: 0 0 auto;
  min-height: 44px;
  padding: 0 14px;
  font-size: var(--fs-small);
  letter-spacing: .04em;
  color: var(--paper);
  text-decoration: none;
  border: 1px solid var(--stone-line);
  transition: color 240ms var(--ease), border-color 240ms var(--ease);
}

.page-news .news-jump__link::before {
  content: "";
  display: block;
  width: 8px;
  height: 8px;
  background: var(--stone);
}

.page-news .news-jump__link:hover,
.page-news .news-jump__link:focus-visible {
  color: var(--gold-hi);
  border-color: var(--gold-line-strong);
}

.page-news .news-jump__link--open::before { background: var(--flag-blue); }
.page-news .news-jump__link--archive::before { background: var(--gold); }
.page-news .news-jump__link--guide::before { background: var(--flag-green-hi); }
.page-news .news-jump__link--scope::before { background: var(--cinnabar-hi); }

/* ---------- 主体：左索引 + 右条目流 ---------- */
.page-news .news-body {
  display: grid;
  gap: clamp(20px, 3vw, 40px);
  padding-top: clamp(22px, 3.6vw, 44px);
  padding-bottom: clamp(32px, 5vw, 64px);
}

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

.page-news .news-rail__label {
  display: none;
  margin: 0 0 12px;
  font-size: var(--fs-micro);
  letter-spacing: .18em;
  color: var(--stone);
  text-transform: uppercase;
}

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

.page-news .news-rail__link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  min-height: 44px;
  padding: 0 12px;
  font-size: var(--fs-small);
  color: var(--paper);
  text-decoration: none;
  border: 1px solid var(--stone-line);
  transition: color 240ms var(--ease), border-color 240ms var(--ease);
}

.page-news .news-rail__chip {
  display: block;
  flex: 0 0 auto;
  width: 8px;
  height: 8px;
}

.page-news .news-rail__chip--open { background: var(--flag-blue); }
.page-news .news-rail__chip--archive { background: var(--gold); }
.page-news .news-rail__chip--guide { background: var(--flag-green-hi); }
.page-news .news-rail__chip--scope { background: var(--cinnabar-hi); }

.page-news .news-rail__link:hover,
.page-news .news-rail__link:focus-visible,
.page-news .news-rail__link[aria-current="true"] {
  color: var(--gold-hi);
  border-color: var(--gold-line-strong);
}

.page-news .news-rail__ver {
  display: none;
  margin: 20px 0 0;
  padding-top: 14px;
  border-top: 1px solid var(--gold-line);
  font-size: var(--fs-micro);
  letter-spacing: .08em;
  color: var(--stone);
}

/* ---------- 条目流 ---------- */
.page-news .news-feed {
  min-width: 0;
}

.page-news .news-group {
  scroll-margin-top: calc(var(--header-h) + 16px);
}

.page-news .news-group + .news-group {
  margin-top: clamp(28px, 4vw, 48px);
}

.page-news .news-group__head {
  display: flex;
  align-items: center;
  gap: 10px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--gold-line-strong);
}

.page-news .news-group__chip {
  display: block;
  flex: 0 0 auto;
  width: 10px;
  height: 10px;
}

.page-news .news-group__chip--open { background: var(--flag-blue); }
.page-news .news-group__chip--archive { background: var(--gold); }
.page-news .news-group__chip--guide { background: var(--flag-green-hi); }
.page-news .news-group__chip--scope { background: var(--cinnabar-hi); }

.page-news .news-group__title {
  margin: 0;
  font-family: var(--font-display);
  font-size: var(--fs-h3);
  letter-spacing: .02em;
  color: var(--paper);
}

.page-news .news-group__meta {
  margin-left: auto;
  font-size: var(--fs-micro);
  letter-spacing: .08em;
  color: var(--stone);
}

.page-news .news-entry {
  padding: clamp(16px, 2.2vw, 26px) 0;
  border-bottom: 1px solid var(--gold-line);
}

.page-news .news-entry--major {
  padding-inline: clamp(14px, 2vw, 24px);
  border-left: 2px solid var(--cinnabar);
  background: linear-gradient(90deg, rgba(192, 53, 43, .12), transparent 74%);
}

.page-news .news-entry__meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 12px;
  margin-bottom: 10px;
}

.page-news .news-entry__no {
  padding: 2px 6px;
  font-family: var(--font-mono);
  font-size: var(--fs-micro);
  letter-spacing: .08em;
  color: var(--gold-hi);
  border: 1px solid var(--gold-line);
}

.page-news .news-entry__tag {
  padding: 3px 8px;
  font-family: var(--font-mono);
  font-size: var(--fs-micro);
  letter-spacing: .06em;
  line-height: 1.6;
  border: 1px solid currentColor;
}

.page-news .news-entry__tag--open { color: var(--flag-blue); }
.page-news .news-entry__tag--archive { color: var(--gold); }
.page-news .news-entry__tag--guide { color: var(--flag-green-hi); }
.page-news .news-entry__tag--scope { color: var(--cinnabar-hi); }

.page-news .news-entry__time {
  font-family: var(--font-mono);
  font-size: var(--fs-micro);
  letter-spacing: .06em;
  color: var(--stone);
}

.page-news .news-entry__title {
  margin: 0 0 8px;
  font-family: var(--font-display);
  font-size: clamp(1.0625rem, 1.6vw, 1.25rem);
  line-height: 1.55;
  color: var(--paper);
}

.page-news .news-entry__text {
  margin: 0;
  max-width: 64ch;
  font-size: var(--fs-small);
  line-height: 1.8;
  color: rgba(244, 239, 230, .78);
}

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

.page-news .news-entry__link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  min-height: 44px;
  padding: 0 2px;
  font-size: var(--fs-small);
  color: var(--gold-hi);
  text-decoration: none;
  border-bottom: 1px solid var(--gold-line-strong);
}

.page-news .news-entry__link::after {
  content: "→";
}

.page-news .news-entry__link:hover,
.page-news .news-entry__link:focus-visible {
  color: var(--butter);
  border-bottom-color: var(--butter);
}

/* ---------- 条目配图 ---------- */
.page-news .news-figure {
  margin: clamp(16px, 2.2vw, 24px) 0 0;
  border: 1px solid var(--gold-line);
  background: var(--ink-2);
}

.page-news .news-figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 8 / 5;
  object-fit: cover;
}

.page-news .news-figure--tall img {
  aspect-ratio: 10 / 7;
}

.page-news .news-figure__cap {
  margin: 0;
  padding: 10px 14px;
  font-size: var(--fs-micro);
  line-height: 1.7;
  color: var(--stone);
  border-top: 1px solid var(--gold-line);
}

/* ---------- 专题回溯（浅色区） ---------- */
.page-news .news-topics {
  padding: clamp(36px, 6vw, 76px) 0;
  background: var(--paper);
  color: var(--ink-black);
  border-top: 2px solid var(--gold);
  border-bottom: 2px solid var(--gold);
}

.page-news .news-topics__head {
  max-width: 64ch;
  margin-bottom: clamp(20px, 3vw, 34px);
}

.page-news .news-topics__eyebrow {
  margin: 0 0 10px;
  color: var(--cinnabar);
  letter-spacing: .18em;
}

.page-news .news-topics__title {
  margin: 0 0 10px;
  color: var(--ink-black);
}

.page-news .news-topics__lede {
  margin: 0;
  font-size: var(--fs-small);
  line-height: 1.85;
  color: rgba(20, 16, 12, .74);
}

.page-news .news-topics__list {
  display: grid;
  gap: clamp(12px, 1.6vw, 20px);
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-news .news-topic {
  padding: clamp(14px, 2vw, 20px);
  background: rgba(255, 255, 255, .55);
  box-shadow: inset 0 0 0 1px var(--paper-line);
  transition: box-shadow 240ms var(--ease);
}

.page-news .news-topic:hover,
.page-news .news-topic:focus-within {
  box-shadow: inset 0 0 0 2px var(--gold);
}

.page-news .news-topic__link {
  display: block;
  min-height: 44px;
  color: inherit;
  text-decoration: none;
}

.page-news .news-topic__node {
  display: inline-block;
  margin-bottom: 8px;
  padding-bottom: 2px;
  font-size: var(--fs-small);
  letter-spacing: .08em;
  color: var(--cinnabar);
  border-bottom: 1px solid var(--cinnabar);
}

.page-news .news-topic__name {
  display: block;
  margin-bottom: 6px;
  font-family: var(--font-display);
  font-size: var(--fs-h3);
  color: var(--ink-black);
}

.page-news .news-topic__brief {
  display: block;
  font-size: var(--fs-small);
  line-height: 1.75;
  color: rgba(20, 16, 12, .74);
}

.page-news .news-topic__preview {
  margin: 0;
  padding: 0;
  max-height: 0;
  overflow: hidden;
  list-style: none;
  transition: max-height 280ms var(--ease), margin-top 280ms var(--ease);
}

.page-news .news-topic:hover .news-topic__preview,
.page-news .news-topic:focus-within .news-topic__preview {
  max-height: 260px;
  margin-top: 10px;
}

.page-news .news-topic__preview li {
  position: relative;
  padding-left: 14px;
  font-size: var(--fs-micro);
  line-height: 1.9;
  color: rgba(20, 16, 12, .66);
}

.page-news .news-topic__preview li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .95em;
  width: 6px;
  height: 1px;
  background: var(--gold);
}

/* ---------- 回溯方式 ---------- */
.page-news .news-back {
  padding: clamp(32px, 5vw, 64px) 0;
  background: var(--ink-2);
}

.page-news .news-back__grid {
  display: grid;
  gap: clamp(16px, 2.4vw, 32px);
}

.page-news .news-back__eyebrow {
  margin: 0 0 10px;
  color: var(--flag-blue);
  letter-spacing: .18em;
}

.page-news .news-back__title {
  margin: 0;
  color: var(--paper);
}

.page-news .news-back__body p {
  margin: 0 0 14px;
  max-width: 64ch;
  font-size: var(--fs-small);
  line-height: 1.85;
  color: rgba(244, 239, 230, .8);
}

.page-news .news-back__list {
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--gold-line);
}

.page-news .news-back__list li {
  position: relative;
  padding: 12px 0 12px 18px;
  font-size: var(--fs-small);
  line-height: 1.8;
  color: rgba(244, 239, 230, .78);
  border-bottom: 1px solid var(--gold-line);
}

.page-news .news-back__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 1.35em;
  width: 8px;
  height: 8px;
  background: var(--gold);
  transform: rotate(45deg);
}

.page-news .news-back__list strong {
  color: var(--gold-hi);
  font-weight: 600;
}

/* ---------- 下一步 ---------- */
.page-news .news-next {
  padding: clamp(28px, 4.4vw, 56px) 0 clamp(36px, 6vw, 72px);
  background: var(--ink);
}

.page-news .news-next__title {
  margin: 0 0 clamp(14px, 2vw, 22px);
  color: var(--paper);
}

.page-news .news-next__list {
  display: grid;
  gap: 10px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-news .news-next__link {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 4px 14px;
  min-height: 56px;
  padding: 12px 14px;
  text-decoration: none;
  color: var(--paper);
  border: 1px solid var(--stone-line);
  transition: border-color 240ms var(--ease), color 240ms var(--ease);
}

.page-news .news-next__link:hover,
.page-news .news-next__link:focus-visible {
  color: var(--gold-hi);
  border-color: var(--gold-line-strong);
}

.page-news .news-next__label {
  font-family: var(--font-display);
  font-size: var(--fs-h3);
}

.page-news .news-next__desc {
  font-size: var(--fs-small);
  line-height: 1.7;
  color: rgba(244, 239, 230, .68);
}

/* ---------- 断点 ---------- */
@media (min-width: 700px) {
  .page-news .news-topics__list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

@media (min-width: 900px) {
  .page-news .news-body {
    grid-template-columns: var(--news-rail-w) minmax(0, 1fr);
  }

  .page-news .news-rail__inner {
    display: block;
    position: sticky;
    top: calc(var(--header-h) + 20px);
    padding-top: 14px;
    border-top: 1px solid var(--gold-line-strong);
  }

  .page-news .news-rail__label {
    display: block;
  }

  .page-news .news-rail__list {
    display: block;
  }

  .page-news .news-rail__list li + li {
    margin-top: 2px;
  }

  .page-news .news-rail__link {
    display: flex;
    width: 100%;
    min-height: 46px;
    padding: 0;
    border: 0;
    border-bottom: 1px solid var(--gold-line);
  }

  .page-news .news-rail__link:hover,
  .page-news .news-rail__link:focus-visible,
  .page-news .news-rail__link[aria-current="true"] {
    color: var(--gold-hi);
    border-bottom-color: var(--gold-line-strong);
  }

  .page-news .news-rail__ver {
    display: block;
  }

  .page-news .news-back__grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.7fr);
  }
}

@media (min-width: 1100px) {
  .page-news .news-entry__meta {
    gap: 10px 16px;
  }
}

@media (hover: none) {
  .page-news .news-topic__preview {
    max-height: none;
    margin-top: 10px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-news .news-jump__link,
  .page-news .news-rail__link,
  .page-news .news-topic,
  .page-news .news-topic__preview,
  .page-news .news-next__link {
    transition-duration: 1ms;
  }
}
<<<PAGE_CSS_DONE>>>