.page-news {
  --news-edge: clamp(1.25rem, 4vw, 3rem);
  --news-gap: clamp(1.5rem, 3vw, 2.75rem);
  position: relative;
  isolation: isolate;
  background-color: var(--ink);
  color: var(--bone);
  overflow-x: clip;
}

.page-news::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  background-image:
    linear-gradient(to right, rgba(243, 238, 227, 0.035) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(243, 238, 227, 0.035) 1px, transparent 1px);
  background-size: var(--grid) var(--grid);
}

.page-news .news-hero {
  padding: clamp(2.5rem, 6vw, 5rem) 0 clamp(2.5rem, 4vw, 4rem);
  border-bottom: 1px solid var(--line);
}

.page-news .news-hero__grid {
  margin-top: clamp(1.75rem, 3vw, 2.75rem);
  row-gap: var(--news-gap);
}

.page-news .news-hero__title {
  margin: 0.85rem 0 0;
  font-family: var(--serif);
  font-weight: 900;
  font-size: clamp(1.9rem, 5.6vw, 3.5rem);
  line-height: 1.06;
  letter-spacing: -0.02em;
  color: var(--bone);
  text-wrap: balance;
}

.page-news .news-hero__intro {
  margin: 1.25rem 0 0;
  max-width: 46ch;
  font-size: clamp(1rem, 1.3vw, 1.0625rem);
  line-height: 1.75;
  color: rgba(243, 238, 227, 0.78);
}

.page-news .news-hero__facts {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
  margin: clamp(1.75rem, 3vw, 2.5rem) 0 0;
  padding-top: 1.25rem;
  border-top: 1px solid var(--line);
}

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

.page-news .news-fact dt {
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  color: var(--mist);
}

.page-news .news-fact dd {
  margin: 0.4rem 0 0;
  font-size: 0.9375rem;
  color: var(--gold);
  white-space: nowrap;
}

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

.page-news .news-hero__media .media-frame {
  margin: 0;
}

.page-news .news-hero__media img {
  display: block;
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
}

.page-news .section-head {
  max-width: 62ch;
}

.page-news .section-head__title {
  margin: 0.75rem 0 0;
  font-family: var(--serif);
  font-weight: 900;
  font-size: clamp(1.5rem, 3.4vw, 2.35rem);
  line-height: 1.2;
  letter-spacing: -0.015em;
  color: var(--bone);
}

.page-news .section-head__note {
  margin: 0.85rem 0 0;
  font-size: 0.9375rem;
  line-height: 1.7;
  color: rgba(243, 238, 227, 0.66);
}

/* 本期要目 */
.page-news .news-highlights {
  padding: clamp(3rem, 6vw, 5rem) 0;
  border-bottom: 1px solid var(--line);
}

.page-news .highlight-list {
  list-style: none;
  margin: clamp(2rem, 4vw, 3rem) 0 0;
  padding: 0;
}

.page-news .highlight-item {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: clamp(0.9rem, 3vw, 2.5rem);
  align-items: start;
  padding: clamp(1.5rem, 3vw, 2.25rem) 0;
  border-top: 1px solid var(--line);
}

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

.page-news .highlight-item__num {
  font-size: clamp(2.25rem, 6vw, 4.25rem);
  line-height: 0.85;
  color: var(--gold);
  opacity: 0.55;
  letter-spacing: -0.04em;
  user-select: none;
}

.page-news .highlight-item__body {
  display: grid;
  gap: 0.6rem;
  justify-items: start;
  max-width: 62ch;
  min-width: 0;
}

.page-news .highlight-item__title {
  margin: 0;
  font-family: var(--serif);
  font-weight: 700;
  font-size: clamp(1.1875rem, 2.4vw, 1.625rem);
  line-height: 1.32;
  color: var(--bone);
}

.page-news .highlight-item__desc {
  margin: 0;
  font-size: 0.9375rem;
  line-height: 1.75;
  color: rgba(243, 238, 227, 0.72);
}

.page-news .highlight-item__link {
  margin-top: 0.35rem;
  font-size: 0.9375rem;
  color: var(--gold-light);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  padding-bottom: 2px;
  transition: border-color var(--ease), color var(--ease);
}

.page-news .highlight-item__link:hover,
.page-news .highlight-item__link:focus-visible {
  border-bottom-color: var(--gold-light);
  color: var(--gold-light);
  outline: none;
}

/* 标签轨 + 条目流 */
.page-news .news-stream {
  padding: clamp(3rem, 6vw, 5rem) 0;
  border-bottom: 1px solid var(--line);
}

.page-news .stream-layout {
  margin-top: clamp(2rem, 4vw, 3rem);
  row-gap: 2rem;
}

.page-news .tag-rail {
  position: sticky;
  top: 6.5rem;
  align-self: start;
  min-width: 0;
}

.page-news .tag-rail__label {
  margin: 0 0 0.85rem;
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  color: var(--mist);
}

.page-news .tag-rail__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.15rem;
  border-left: 1px solid var(--line);
}

.page-news .tag-rail__link {
  display: block;
  margin-left: -1px;
  padding: 0.55rem 0 0.55rem 0.95rem;
  border-left: 2px solid transparent;
  font-size: 0.9375rem;
  color: rgba(243, 238, 227, 0.68);
  text-decoration: none;
  transition: color var(--ease), border-color var(--ease), background var(--ease);
}

.page-news .tag-rail__link:hover,
.page-news .tag-rail__link:focus-visible {
  color: var(--gold-light);
  border-left-color: var(--line-gold);
  outline: none;
}

.page-news .tag-rail__link.is-active {
  color: var(--gold);
  border-left-color: var(--gold);
  background: linear-gradient(90deg, rgba(200, 162, 74, 0.14), transparent 85%);
}

.page-news .stream-body {
  display: grid;
  gap: clamp(2.75rem, 5vw, 4.25rem);
  min-width: 0;
}

.page-news .stream-block {
  min-width: 0;
  scroll-margin-top: 6.5rem;
}

.page-news .stream-block__head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 0.7rem;
  padding-bottom: 0.9rem;
  border-bottom: 1px solid var(--line-gold);
}

.page-news .stream-block__idx {
  font-size: 1.125rem;
  color: var(--gold);
  line-height: 1;
}

.page-news .stream-block__title {
  margin: 0;
  font-family: var(--serif);
  font-weight: 900;
  font-size: clamp(1.3125rem, 2.6vw, 1.75rem);
  letter-spacing: -0.01em;
  color: var(--bone);
}

.page-news .stream-block__note {
  margin-left: auto;
  font-size: 0.75rem;
  letter-spacing: 0.06em;
  color: var(--mist);
}

.page-news .stream-block__media {
  margin: 1.5rem 0 0;
}

.page-news .stream-block__media img {
  display: block;
  width: 100%;
  aspect-ratio: 12 / 7;
  object-fit: cover;
}

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

.page-news .stream-item {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 0.45rem;
  padding: 1.4rem 0;
  border-bottom: 1px solid var(--line);
  transition: border-color var(--ease);
}

.page-news .stream-item:hover {
  border-bottom-color: var(--line-gold);
}

.page-news .stream-item__time {
  font-size: 0.8125rem;
  letter-spacing: 0.02em;
  color: var(--clay);
}

.page-news .stream-item__text {
  min-width: 0;
}

.page-news .stream-item__title {
  margin: 0 0 0.4rem;
  font-family: var(--sans);
  font-weight: 600;
  font-size: 1.0625rem;
  line-height: 1.45;
  color: var(--bone);
}

.page-news .stream-item__desc {
  margin: 0;
  max-width: 60ch;
  font-size: 0.9375rem;
  line-height: 1.72;
  color: rgba(243, 238, 227, 0.66);
}

/* 更新节奏 */
.page-news .news-cadence {
  padding: clamp(3rem, 6vw, 5rem) 0;
  border-bottom: 1px solid var(--line);
}

.page-news .cadence-grid {
  margin-top: clamp(1.75rem, 3vw, 2.5rem);
  row-gap: 1.25rem;
}

.page-news .cadence-card {
  position: relative;
  padding: 1.6rem 1.4rem 1.75rem;
  border: 1px solid var(--line);
  background: rgba(35, 39, 43, 0.5);
  transition: border-color var(--ease), background var(--ease);
}

.page-news .cadence-card:hover {
  border-color: var(--line-gold);
  background: rgba(35, 39, 43, 0.78);
}

.page-news .cadence-card::after {
  content: "";
  position: absolute;
  top: -1px;
  left: 1.4rem;
  width: 2.5rem;
  height: 1px;
  background: var(--gold);
}

.page-news .cadence-card__freq {
  display: inline-block;
  margin-bottom: 0.8rem;
  font-size: 0.8125rem;
  letter-spacing: 0.08em;
  color: var(--gold);
}

.page-news .cadence-card h3 {
  margin: 0 0 0.6rem;
  font-family: var(--serif);
  font-weight: 700;
  font-size: 1.1875rem;
  color: var(--bone);
}

.page-news .cadence-card p {
  margin: 0;
  font-size: 0.9375rem;
  line-height: 1.72;
  color: rgba(243, 238, 227, 0.66);
}

.page-news .cadence-subscribe {
  margin-top: clamp(2rem, 3.5vw, 2.75rem);
  padding-top: 1.5rem;
  border-top: 1px solid var(--line-gold);
}

.page-news .cadence-subscribe p {
  margin: 0;
  font-size: 0.9375rem;
  line-height: 1.75;
  color: rgba(243, 238, 227, 0.74);
}

.page-news .cadence-subscribe__mail {
  color: var(--gold-light);
  word-break: break-all;
}

.page-news .cadence-subscribe__note {
  margin-top: 0.55rem;
  color: var(--mist);
  font-size: 0.8125rem;
}

/* 历史归档 */
.page-news .news-archive {
  padding: clamp(3rem, 6vw, 5rem) 0 clamp(2.5rem, 4vw, 3.5rem);
}

.page-news .archive-scale {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  margin-top: clamp(1.75rem, 3vw, 2.5rem);
  padding-bottom: 0.75rem;
  border-bottom: 1px solid var(--line);
}

.page-news .archive-scale__tick {
  position: relative;
  padding-left: 0.9rem;
  font-size: 0.6875rem;
  letter-spacing: 0.08em;
  color: var(--mist);
}

.page-news .archive-scale__tick::before {
  content: "";
  position: absolute;
  left: 0;
  top: 50%;
  width: 1px;
  height: 0.75rem;
  background: var(--line-gold);
  transform: translateY(-50%);
}

.page-news .archive-list {
  display: grid;
}

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

.page-news .archive-item__summary {
  display: flex;
  align-items: center;
  gap: 0.9rem;
  padding: 1.25rem 0;
  cursor: pointer;
  list-style: none;
  transition: color var(--ease);
}

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

.page-news .archive-item__summary::after {
  content: "+";
  margin-left: auto;
  padding-left: 1rem;
  font-family: var(--mono);
  font-size: 1.125rem;
  color: var(--gold);
  transition: color var(--ease);
}

.page-news .archive-item[open] .archive-item__summary::after {
  content: "−";
}

.page-news .archive-item__summary:hover .archive-item__label,
.page-news .archive-item__summary:focus-visible .archive-item__label {
  color: var(--gold-light);
}

.page-news .archive-item__summary:focus-visible {
  outline: 1px solid var(--line-gold);
  outline-offset: 2px;
}

.page-news .archive-item__span {
  flex: 0 0 auto;
  min-width: 4.5rem;
  font-size: 0.75rem;
  letter-spacing: 0.06em;
  color: var(--clay);
}

.page-news .archive-item__label {
  font-family: var(--serif);
  font-weight: 700;
  font-size: 1.0625rem;
  color: var(--bone);
  transition: color var(--ease);
}

.page-news .archive-item__list {
  list-style: none;
  margin: 0 0 1.5rem;
  padding: 0.2rem 0 0 1.2rem;
  border-left: 1px solid var(--line);
  display: grid;
  gap: 0.6rem;
}

.page-news .archive-item__list li {
  font-size: 0.9375rem;
  line-height: 1.72;
  color: rgba(243, 238, 227, 0.7);
}

.page-news .archive-item__list .mono {
  display: inline-block;
  min-width: 3.4rem;
  margin-right: 0.35rem;
  font-size: 0.8125rem;
  letter-spacing: 0.06em;
  color: var(--gold);
}

.page-news .archive-foot {
  margin-top: clamp(1.75rem, 3vw, 2.5rem);
  padding-top: 1.4rem;
  border-top: 1px solid var(--line);
}

.page-news .archive-foot p {
  margin: 0;
  font-size: 0.9375rem;
  line-height: 1.75;
  color: rgba(243, 238, 227, 0.7);
}

.page-news .archive-foot a {
  color: var(--gold-light);
  text-decoration: none;
  border-bottom: 1px solid rgba(233, 210, 140, 0.35);
  transition: border-color var(--ease), color var(--ease);
}

.page-news .archive-foot a:hover,
.page-news .archive-foot a:focus-visible {
  border-bottom-color: var(--gold-light);
  outline: none;
}

.page-news .archive-foot__note {
  margin-top: 0.5rem;
  font-size: 0.8125rem;
  color: var(--mist);
}

/* 响应式 */
@media (min-width: 720px) {
  .page-news .stream-item {
    grid-template-columns: 8rem minmax(0, 1fr);
    gap: 1.5rem;
    align-items: start;
  }

  .page-news .stream-item__time {
    padding-top: 0.2rem;
  }
}

@media (max-width: 900px) {
  .page-news .tag-rail {
    position: static;
    top: auto;
    padding-bottom: 0.85rem;
    border-bottom: 1px solid var(--line);
  }

  .page-news .tag-rail__label {
    margin-bottom: 0.6rem;
  }

  .page-news .tag-rail__list {
    display: flex;
    gap: 0.2rem;
    border-left: none;
    overflow-x: auto;
    scrollbar-width: none;
  }

  .page-news .tag-rail__list::-webkit-scrollbar {
    display: none;
  }

  .page-news .tag-rail__link {
    margin-left: 0;
    padding: 0.5rem 0.9rem;
    border-left: none;
    border-bottom: 2px solid transparent;
    white-space: nowrap;
  }

  .page-news .tag-rail__link.is-active {
    border-bottom-color: var(--gold);
    background: none;
  }

  .page-news .stream-block {
    scroll-margin-top: 5.5rem;
  }
}

@media (max-width: 640px) {
  .page-news .news-hero__facts {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 0.9rem 1rem;
  }

  .page-news .news-hero__facts > .news-fact:last-child {
    grid-column: span 2;
  }

  .page-news .archive-scale__tick {
    font-size: 0.625rem;
    padding-left: 0.6rem;
  }

  .page-news .archive-item__summary {
    flex-wrap: wrap;
    gap: 0.4rem 0.9rem;
  }

  .page-news .archive-item__summary::after {
    padding-left: 0;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-news .highlight-item__link,
  .page-news .tag-rail__link,
  .page-news .stream-item,
  .page-news .cadence-card,
  .page-news .archive-item__label,
  .page-news .archive-foot a {
    transition: none;
  }
}