.page-news {
  --news-gap: clamp(1rem, 3.2vw, 2.25rem);
  --news-cut: 18px;
  background: var(--porcelain);
  color: var(--ink);
  padding-bottom: clamp(2.5rem, 7vw, 5rem);
}

.page-news .breadcrumb {
  padding-block: clamp(0.75rem, 2vw, 1.25rem);
}

/* ---------- 报头 ---------- */
.page-news .masthead {
  position: relative;
  overflow: hidden;
  background:
    linear-gradient(168deg, var(--jiang) 0%, #162c3a 62%, var(--ink) 100%);
  color: var(--porcelain);
  padding-block: clamp(1.75rem, 5vw, 3.5rem) clamp(2rem, 6vw, 4rem);
  margin-bottom: clamp(1.5rem, 4vw, 2.75rem);
}

.page-news .masthead::after {
  content: "";
  position: absolute;
  inset: auto -10% -40% auto;
  width: 46%;
  height: 180%;
  background: repeating-linear-gradient(
    102deg,
    transparent 0 26px,
    var(--light-08) 26px 27px
  );
  pointer-events: none;
}

.page-news .masthead__inner {
  position: relative;
  z-index: 1;
  display: grid;
  gap: clamp(1.5rem, 4vw, 2.75rem);
  grid-template-columns: 1fr;
  align-items: end;
}

.page-news .masthead__kicker {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  margin: 0 0 0.9rem;
  font-size: 0.75rem;
  letter-spacing: 0.16em;
  color: var(--celadon);
}

.page-news .masthead__kicker::before {
  content: "";
  width: 28px;
  height: 2px;
  background: var(--cinnabar);
}

.page-news .masthead__title {
  margin: 0 0 1rem;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(2rem, 7vw, 3.75rem);
  line-height: 1.14;
  letter-spacing: -0.02em;
  max-width: 16em;
}

.page-news .masthead__lede {
  margin: 0;
  max-width: 40em;
  font-size: clamp(0.9375rem, 2.2vw, 1.0625rem);
  line-height: 1.8;
  color: var(--light-70);
}

.page-news .masthead__stats {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem clamp(1.25rem, 4vw, 2.75rem);
  margin-top: clamp(1.25rem, 3.5vw, 2rem);
  padding-top: 1rem;
  border-top: 1px solid var(--light-22);
}

.page-news .stat {
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
}

.page-news .stat__num {
  font-size: clamp(1.5rem, 4vw, 2.125rem);
  font-weight: 600;
  line-height: 1.1;
  color: var(--celadon);
}

.page-news .stat__num small {
  font-size: 0.75rem;
  font-weight: 500;
  margin-left: 0.2rem;
  color: var(--light-70);
}

.page-news .stat__label {
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  color: var(--light-70);
}

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

.page-news .masthead__media .media__frame {
  --media-ratio: 4 / 3;
  border: 1px solid var(--light-22);
  background: rgba(247, 243, 233, 0.06);
}

.page-news .masthead__media .media__caption {
  color: var(--light-70);
  font-size: 0.75rem;
  letter-spacing: 0.04em;
  margin-top: 0.6rem;
}

/* ---------- 双栏骨架 ---------- */
.page-news .news-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--news-gap);
  align-items: start;
}

/* ---------- 章节轨 ---------- */
.page-news .chapter-rail {
  border-top: 2px solid var(--ink);
  border-bottom: 1px solid var(--ink-24);
  padding-block: 0.6rem 0.7rem;
}

.page-news .chapter-rail__title {
  margin: 0 0 0.45rem;
  font-size: 0.6875rem;
  letter-spacing: 0.2em;
  color: var(--mist);
}

.page-news .chapter-rail__list {
  display: flex;
  gap: 0.4rem;
  margin: 0;
  padding: 0 0 0.2rem;
  list-style: none;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.page-news .chapter-rail__item {
  flex: 0 0 auto;
}

.page-news .chapter-rail__link {
  display: inline-flex;
  align-items: baseline;
  gap: 0.45rem;
  white-space: nowrap;
  padding: 0.35rem 0.65rem;
  border: 1px solid var(--ink-12);
  border-radius: 2px;
  text-decoration: none;
  color: var(--ink);
  font-size: 0.875rem;
  transition: background 0.2s var(--ease), color 0.2s var(--ease), border-color 0.2s var(--ease);
}

.page-news .chapter-rail__code {
  font-size: 0.6875rem;
  color: var(--patina);
}

.page-news .chapter-rail__link:hover,
.page-news .chapter-rail__link:focus-visible {
  border-color: var(--patina);
  background: var(--linen);
}

.page-news .chapter-rail__link.is-active {
  background: var(--cinnabar);
  border-color: var(--cinnabar);
  color: var(--porcelain);
}

.page-news .chapter-rail__link.is-active .chapter-rail__code {
  color: rgba(247, 243, 233, 0.78);
}

/* ---------- 章节通用 ---------- */
.page-news .news-section {
  margin-bottom: clamp(2.25rem, 6vw, 4rem);
  scroll-margin-top: 6rem;
}

.page-news .section-head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 0.4rem 0.85rem;
  padding-bottom: 0.6rem;
  margin-bottom: 1.1rem;
  border-bottom: 2px solid var(--ink);
}

.page-news .section-head__code {
  font-size: 0.8125rem;
  letter-spacing: 0.08em;
  color: var(--cinnabar);
}

.page-news .section-head__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(1.3125rem, 3.6vw, 1.9375rem);
  line-height: 1.3;
  letter-spacing: -0.01em;
}

.page-news .section-head__note {
  margin-left: auto;
  font-size: 0.6875rem;
  letter-spacing: 0.1em;
  color: var(--mist);
  white-space: nowrap;
}

.page-news .news-body a {
  color: var(--cinnabar);
  text-decoration-color: rgba(178, 58, 46, 0.4);
  text-underline-offset: 0.22em;
}

.page-news .news-body a:hover,
.page-news .news-body a:focus-visible {
  text-decoration-color: var(--cinnabar);
  background: rgba(178, 58, 46, 0.08);
}

/* ---------- 本期专题 ---------- */
.page-news .feature__media {
  margin: 0 0 1.25rem;
}

.page-news .feature__media .media__frame {
  --media-ratio: 16 / 7;
}

.page-news .feature__media .media__caption {
  font-size: 0.75rem;
  color: var(--ink-70);
  margin-top: 0.5rem;
  letter-spacing: 0.04em;
}

.page-news .feature__body p {
  margin: 0 0 1.05rem;
  font-size: clamp(0.9375rem, 2.1vw, 1.0625rem);
  line-height: 1.85;
  color: var(--ink);
}

.page-news .feature__body p:first-child::first-letter {
  float: left;
  font-family: var(--font-display);
  font-size: 3.1em;
  line-height: 0.86;
  font-weight: 800;
  color: var(--cinnabar);
  margin: 0.06em 0.14em 0 0;
}

.page-news .feature__foot {
  margin-top: 1.25rem;
  padding: 0.85rem 0 0.85rem 1rem;
  border-left: 3px solid var(--cinnabar);
  background: var(--linen);
}

.page-news .feature__source {
  margin: 0 0 0.35rem;
  font-size: 0.6875rem;
  letter-spacing: 0.12em;
  color: var(--patina);
}

.page-news .feature__extend {
  margin: 0;
  font-size: 0.875rem;
  line-height: 1.75;
  color: var(--ink-70);
}

/* ---------- 适配清单 ---------- */
.page-news .checklist__lede {
  margin: 0 0 1.1rem;
  max-width: 44em;
  font-size: 0.9375rem;
  line-height: 1.8;
  color: var(--ink-70);
}

.page-news .adopt-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 0.55rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-news .adopt-cell {
  height: 100%;
  background: var(--linen);
  border: 1px solid var(--ink-12);
  border-left: 3px solid var(--patina);
}

.page-news .adopt-cell > summary {
  display: flex;
  align-items: baseline;
  gap: 0.55rem;
  padding: 0.7rem 0.75rem;
  cursor: pointer;
  list-style: none;
}

.page-news .adopt-cell > summary::-webkit-details-marker {
  display: none;
}

.page-news .adopt-cell__no {
  flex: 0 0 auto;
  padding: 0.06rem 0.32rem;
  font-size: 0.6875rem;
  color: var(--porcelain);
  background: var(--patina);
}

.page-news .adopt-cell__name {
  font-size: 0.9375rem;
  font-weight: 600;
  line-height: 1.5;
  color: var(--ink);
}

.page-news .adopt-cell__body {
  margin: 0;
  padding: 0 0.85rem 0.8rem 2.55rem;
  font-size: 0.8125rem;
  line-height: 1.75;
  color: var(--ink-70);
}

.page-news .adopt-cell--key {
  background: var(--cinnabar);
  border-color: var(--cinnabar);
  border-left-color: var(--ink);
}

.page-news .adopt-cell--key .adopt-cell__no {
  background: var(--porcelain);
  color: var(--cinnabar);
}

.page-news .adopt-cell--key .adopt-cell__name {
  color: var(--porcelain);
}

.page-news .adopt-cell--key .adopt-cell__body {
  color: rgba(247, 243, 233, 0.88);
}

.page-news .checklist__media {
  margin: 1.35rem 0 0;
}

.page-news .checklist__media .media__frame {
  --media-ratio: 5 / 3;
  border: 1px solid var(--ink-12);
}

.page-news .checklist__media .media__caption {
  margin-top: 0.5rem;
  font-size: 0.75rem;
  color: var(--ink-70);
}

/* ---------- 文章列表 ---------- */
.page-news .cat-strip {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin: 0 0 0.9rem;
}

.page-news .cat-tag {
  padding: 0.22rem 0.6rem;
  font-size: 0.75rem;
  letter-spacing: 0.05em;
  color: var(--patina);
  border: 1px solid var(--ink-24);
}

.page-news .cat-tag--on {
  background: var(--ink);
  border-color: var(--ink);
  color: var(--porcelain);
}

.page-news .article-list {
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--ink-24);
}

.page-news .article-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 0.3rem 0.85rem;
  padding: 0.8rem 0;
  border-bottom: 1px solid var(--ink-12);
}

.page-news .article-row__tag {
  grid-column: 1 / -1;
  font-size: 0.6875rem;
  letter-spacing: 0.14em;
  color: var(--patina);
}

.page-news .article-row__title {
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 600;
  line-height: 1.55;
  color: var(--ink);
}

.page-news .article-row__time {
  align-self: center;
  font-size: 0.6875rem;
  letter-spacing: 0.06em;
  color: var(--mist);
  white-space: nowrap;
}

.page-news .articles__more {
  margin: 1.1rem 0 0;
  font-size: 0.875rem;
  line-height: 1.8;
  color: var(--ink-70);
}

/* ---------- 版本校勘 ---------- */
.page-news .revisions__lede {
  margin: 0 0 1.15rem;
  max-width: 44em;
  font-size: 0.9375rem;
  line-height: 1.8;
  color: var(--ink-70);
}

.page-news .revisions__split {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(1.25rem, 3.5vw, 2rem);
  align-items: start;
}

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

.page-news .revision {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 0.35rem;
  padding: 0.95rem 0;
  border-top: 1px solid var(--ink-24);
}

.page-news .revision:last-child {
  border-bottom: 1px solid var(--ink-24);
}

.page-news .revision__ver {
  justify-self: start;
  padding: 0.1rem 0.4rem;
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  color: var(--porcelain);
  background: var(--jiang);
}

.page-news .revision__title {
  margin: 0 0 0.35rem;
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 700;
  line-height: 1.6;
  color: var(--ink);
}

.page-news .revision__body p {
  margin: 0 0 0.45rem;
  font-size: 0.875rem;
  line-height: 1.8;
  color: var(--ink-70);
}

.page-news .revision__tag {
  font-size: 0.6875rem;
  letter-spacing: 0.1em;
  color: var(--cinnabar);
}

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

.page-news .revisions__media .media__frame {
  --media-ratio: 9 / 7;
  border: 1px solid var(--ink-12);
}

.page-news .revisions__media .media__caption {
  margin-top: 0.5rem;
  font-size: 0.75rem;
  color: var(--ink-70);
}

/* ---------- 回访提示 ---------- */
.page-news .keep {
  margin-bottom: 0;
}

.page-news .keep__panel {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1.25rem;
  padding: clamp(1.35rem, 4vw, 2.5rem);
  background: var(--ink);
  color: var(--porcelain);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - var(--news-cut)), calc(100% - var(--news-cut)) 100%, 0 100%);
}

.page-news .keep__panel::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 68px;
  height: 4px;
  background: var(--cinnabar);
}

.page-news .keep__title {
  margin: 0 0 0.65rem;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(1.25rem, 3.4vw, 1.75rem);
  line-height: 1.35;
  color: var(--porcelain);
}

.page-news .keep__lede {
  margin: 0;
  max-width: 40em;
  font-size: 0.9375rem;
  line-height: 1.85;
  color: var(--light-70);
}

.page-news .keep__actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.65rem 0.85rem;
}

.page-news .keep__plain {
  font-size: 0.8125rem;
  color: var(--celadon) !important;
  text-decoration: underline;
  text-underline-offset: 0.2em;
  text-decoration-color: rgba(199, 218, 213, 0.5);
}

.page-news .keep__plain:hover,
.page-news .keep__plain:focus-visible {
  color: var(--porcelain) !important;
  background: transparent !important;
  text-decoration-color: var(--porcelain);
}

/* ---------- 断点 ---------- */
@media (min-width: 600px) {
  .page-news .adopt-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 760px) {
  .page-news .masthead__inner {
    grid-template-columns: minmax(0, 1.45fr) minmax(0, 0.9fr);
  }

  .page-news .article-row {
    grid-template-columns: 6.5rem minmax(0, 1fr) auto;
    align-items: baseline;
    gap: 0.5rem 1rem;
  }

  .page-news .article-row__tag {
    grid-column: auto;
  }
}

@media (min-width: 900px) {
  .page-news .news-layout {
    grid-template-columns: 188px minmax(0, 1fr);
    gap: clamp(1.5rem, 4vw, 3.25rem);
  }

  .page-news .chapter-rail {
    position: sticky;
    top: 5.75rem;
    border-top: none;
    border-bottom: none;
    border-left: 2px solid var(--ink);
    padding: 0 0 0 0.9rem;
  }

  .page-news .chapter-rail__list {
    flex-direction: column;
    gap: 0.15rem;
    overflow: visible;
  }

  .page-news .chapter-rail__link {
    margin-left: -1.86rem;
    padding: 0.4rem 0.5rem;
    border: none;
    border-left: 2px solid transparent;
    border-radius: 0;
    background: var(--porcelain);
  }

  .page-news .chapter-rail__link:hover,
  .page-news .chapter-rail__link:focus-visible {
    background: var(--linen);
    border-left-color: var(--patina);
  }

  .page-news .chapter-rail__link.is-active {
    background: var(--porcelain);
    border-left-color: var(--cinnabar);
    color: var(--cinnabar);
  }

  .page-news .chapter-rail__link.is-active .chapter-rail__code {
    color: var(--cinnabar);
  }

  .page-news .revision {
    grid-template-columns: 4.5rem minmax(0, 1fr);
    gap: 0.2rem 1.1rem;
  }

  .page-news .revisions__split {
    grid-template-columns: minmax(0, 1.35fr) minmax(0, 0.85fr);
  }

  .page-news .keep__panel {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
    gap: 2rem;
  }

  .page-news .keep__actions {
    flex-direction: column;
    align-items: stretch;
    min-width: 12.5rem;
  }

  .page-news .keep__plain {
    text-align: center;
  }
}

@media (min-width: 1100px) {
  .page-news .adopt-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-news .chapter-rail__link {
    transition: none;
  }
}