.page-news {
  --n-cell: 8px;
  --n-sec: clamp(2.75rem, 6.5vw, 5rem);
  --n-headgap: clamp(1.25rem, 3vw, 2.25rem);
  background: var(--c-deep);
  color: var(--c-text);
  font-family: var(--font-body);
  line-height: 1.75;
  letter-spacing: 0.01em;
  padding-bottom: clamp(2.5rem, 7vw, 5rem);
  overflow-x: hidden;
}

.page-news img {
  max-width: 100%;
}

.page-news :focus-visible {
  outline: 2px solid var(--c-cyan);
  outline-offset: 2px;
}

/* ---------- 面包屑 ---------- */
.page-news .breadcrumb {
  padding-top: clamp(1rem, 3vw, 1.75rem);
}

.page-news .breadcrumb__list {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem;
  margin: 0;
  padding: 0;
  list-style: none;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--c-text-mute);
}

.page-news .breadcrumb__item a {
  color: var(--c-text-dim);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color var(--t-fast) var(--ease), border-color var(--t-fast) var(--ease);
}

.page-news .breadcrumb__item a:hover {
  color: var(--c-cyan);
  border-bottom-color: var(--c-cyan);
}

.page-news .breadcrumb__item span[aria-current="page"] {
  color: var(--c-cyan);
}

.page-news .breadcrumb__sep {
  color: var(--c-line);
}

/* ---------- 首屏 ---------- */
.page-news .n-hero {
  padding-top: clamp(1.5rem, 4vw, 2.5rem);
  padding-bottom: var(--n-sec);
}

.page-news .n-hero__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(1.5rem, 4vw, 2.75rem);
}

.page-news .n-kicker {
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
  margin: 0;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--c-cyan);
}

.page-news .n-kicker::before {
  content: "";
  width: 28px;
  height: 2px;
  background: var(--c-orange);
}

.page-news .n-hero__title {
  margin: 0.7rem 0 1rem;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1.875rem, 7vw, 3.75rem);
  line-height: 1.05;
  letter-spacing: -0.01em;
  text-wrap: balance;
  color: var(--c-text);
}

.page-news .n-hero__lede {
  max-width: 58ch;
  margin: 0;
  color: var(--c-text-dim);
  font-size: clamp(1rem, 1.4vw, 1.125rem);
}

.page-news .n-hero__facts {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(132px, 1fr));
  gap: 1px;
  margin: 1.75rem 0 0;
  background: var(--c-line);
  border: 1px solid var(--c-line);
}

.page-news .n-fact {
  background: var(--c-deep);
  padding: 0.85rem 1rem 0.95rem;
}

.page-news .n-fact dt {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--c-text-mute);
}

.page-news .n-fact dd {
  margin: 0.4rem 0 0;
  font-size: 0.875rem;
  color: var(--c-text-dim);
}

.page-news .n-num {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 1.5rem;
  line-height: 1;
  color: var(--c-cyan);
  margin-right: 0.25rem;
}

.page-news .n-hero__figure {
  margin: 0;
  border: 1px solid var(--c-line);
}

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

/* ---------- 章节通用 ---------- */
.page-news .n-block {
  padding-block: var(--n-sec);
  border-top: 1px solid var(--c-line);
}

.page-news .n-block__head {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 0.35rem 1rem;
  align-items: baseline;
  margin-bottom: var(--n-headgap);
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--c-line);
}

.page-news .n-block__head .section__num {
  font-family: var(--font-mono);
  font-size: clamp(1.375rem, 4vw, 2rem);
  line-height: 1;
  font-weight: 500;
  color: var(--c-cyan);
}

.page-news .n-block__head .section__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1.1875rem, 2.8vw, 1.75rem);
  letter-spacing: 0.02em;
  color: var(--c-text);
}

.page-news .n-block__head .section__desc {
  grid-column: 2;
  margin: 0;
  max-width: 62ch;
  font-size: 0.9375rem;
  color: var(--c-text-dim);
}

/* ---------- 摘要条 ---------- */
.page-news .n-sumlist {
  display: grid;
  gap: 1px;
  margin: 0;
  padding: 0;
  list-style: none;
  background: var(--c-line);
  border: 1px solid var(--c-line);
}

.page-news .n-sumitem {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 0.45rem 0.9rem;
  padding: 1rem 1.1rem;
  background: var(--c-deep);
}

.page-news .n-sumitem__idx {
  font-family: var(--font-mono);
  font-size: 1.0625rem;
  letter-spacing: 0.04em;
  color: var(--c-cyan);
}

.page-news .n-sumitem__text {
  flex: 1 1 18rem;
  margin: 0;
  font-size: 0.9375rem;
  color: var(--c-text-dim);
}

/* ---------- 横贯图 ---------- */
.page-news .n-banner {
  margin: 0 auto;
  padding-inline: var(--edge);
  border-top: 1px solid var(--c-line);
  border-bottom: 1px solid var(--c-line);
}

.page-news .n-banner img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 5 / 2;
  object-fit: cover;
}

/* ---------- 更新条目列表 ---------- */
.page-news .n-loglist {
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--c-line);
}

.page-news .n-logitem {
  position: relative;
  border-bottom: 1px solid var(--c-line);
}

.page-news .n-logitem__h {
  margin: 0;
}

.page-news .n-logitem__trigger {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 0.45rem;
  width: 100%;
  padding: 1.05rem 1rem 1.15rem 1.15rem;
  background: none;
  border: 0;
  color: inherit;
  font: inherit;
  text-align: left;
  cursor: pointer;
  transition: transform var(--t-fast) var(--ease), background-color var(--t-fast) var(--ease);
}

.page-news .n-logitem__trigger::before {
  content: "";
  position: absolute;
  inset: 0 auto 0 0;
  width: 3px;
  background: var(--c-orange);
  transform: scaleY(0);
  transform-origin: top center;
  transition: transform var(--t-base) var(--ease);
}

.page-news .n-logitem__trigger:hover {
  transform: translateX(2px);
  background: var(--c-mid);
}

.page-news .n-logitem__trigger:hover::before {
  transform: scaleY(1);
}

.page-news .n-logitem.is-open .n-logitem__trigger {
  background: var(--c-mid);
}

.page-news .n-logitem.is-open .n-logitem__trigger::before {
  transform: scaleY(1);
}

.page-news .n-logitem__top {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 0.3rem 0.85rem;
}

.page-news .n-logitem__idx {
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  letter-spacing: 0.1em;
  color: var(--c-cyan);
}

.page-news .n-logitem__title {
  flex: 1 1 16rem;
  min-width: 0;
  font-size: 1rem;
  font-weight: 500;
  line-height: 1.55;
  color: var(--c-text);
}

.page-news .n-logitem__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.3rem 0.9rem;
}

.page-news .n-logitem__cat,
.page-news .n-logitem__when {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.05em;
  color: var(--c-text-mute);
}

.page-news .n-logitem__trigger .tag {
  justify-self: start;
}

.page-news .n-logitem__panel {
  padding: 0 1.15rem 1.4rem 1.15rem;
  font-size: 0.9375rem;
  color: var(--c-text-dim);
}

.page-news .n-logitem__panel p {
  margin: 0 0 0.65rem;
  max-width: 70ch;
}

.page-news .n-logitem__panel p:last-child {
  margin-bottom: 0;
}

.page-news .n-logitem__panel a {
  color: var(--c-cyan);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* ---------- 按栏目筛选 ---------- */
.page-news .n-filter__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(1.5rem, 4vw, 2.5rem);
}

.page-news .n-filter__figure {
  margin: 0;
  border: 1px solid var(--c-line);
}

.page-news .n-filter__figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
}

.page-news .n-filter__body .n-block__head {
  margin-bottom: clamp(1rem, 2.5vw, 1.5rem);
}

.page-news .n-tabs {
  margin: 0;
}

.page-news .n-tabs__list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.15rem;
  border-bottom: 1px solid var(--c-line);
}

.page-news .n-tabs .tab {
  position: relative;
  padding: 0.6rem 0.85rem 0.8rem;
  background: none;
  border: 0;
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  letter-spacing: 0.08em;
  color: var(--c-text-mute);
  cursor: pointer;
  transition: color var(--t-fast) var(--ease);
}

.page-news .n-tabs .tab::after {
  content: "";
  position: absolute;
  left: 0.45rem;
  right: 0.45rem;
  bottom: -1px;
  height: 2px;
  background: var(--c-orange);
  transform: scaleX(0);
  transform-origin: left center;
  transition: transform var(--t-base) var(--ease);
}

.page-news .n-tabs .tab:hover {
  color: var(--c-cyan);
}

.page-news .n-tabs .tab[aria-selected="true"] {
  color: var(--c-text);
}

.page-news .n-tabs .tab[aria-selected="true"]::after {
  transform: scaleX(1);
}

.page-news .n-panel {
  padding-top: 1.1rem;
}

.page-news .n-panel[hidden] {
  display: none;
}

.page-news .n-panel__row {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 0.2rem;
  padding: 0.75rem 0;
  border-bottom: 1px dashed var(--c-line);
}

.page-news .n-panel__row:last-child {
  border-bottom: 0;
}

.page-news .n-panel__k {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--c-text-mute);
}

.page-news .n-panel__v {
  margin: 0;
  font-size: 0.9375rem;
  color: var(--c-text);
}

.page-news .n-panel__list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin: 0.35rem 0 0;
  padding: 0;
  list-style: none;
}

.page-news .n-panel__list li {
  padding: 0.15rem 0.5rem;
  border: 1px solid var(--c-line);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.06em;
  color: var(--c-text-dim);
}

/* ---------- 专题系列 ---------- */
.page-news .n-serieslist {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1px;
  margin: 0 0 clamp(1.5rem, 4vw, 2.5rem);
  padding: 0;
  list-style: none;
  background: var(--c-line);
  border: 1px solid var(--c-line);
}

.page-news .n-seriesitem {
  display: flex;
  flex-direction: column;
  gap: 0.55rem;
  padding: 1.35rem 1.2rem 1.4rem;
  background: var(--c-deep);
  transition: background-color var(--t-fast) var(--ease);
}

.page-news .n-seriesitem:hover {
  background: var(--c-mid);
}

.page-news .n-seriesitem__no {
  font-family: var(--font-mono);
  font-size: 1.5rem;
  line-height: 1;
  color: var(--c-cyan);
}

.page-news .n-seriesitem__name {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.0625rem;
  letter-spacing: 0.04em;
  color: var(--c-text);
}

.page-news .n-seriesitem__scope {
  margin: 0;
  font-size: 0.875rem;
  color: var(--c-text-dim);
}

.page-news .n-seriesitem__meter {
  position: relative;
  display: block;
  height: 18px;
  margin-top: auto;
  border-left: 1px solid var(--c-line);
  background-image:
    linear-gradient(90deg, var(--c-line) 1px, transparent 1px),
    linear-gradient(0deg, var(--c-line) 1px, transparent 1px);
  background-size: var(--n-cell) var(--n-cell);
}

.page-news .n-seriesitem__meter::after {
  content: "";
  display: block;
  width: 50%;
  height: 100%;
  background: rgba(63, 227, 210, 0.16);
  border-right: 2px solid var(--c-cyan);
  transition: width var(--t-base) var(--ease);
}

.page-news .n-seriesitem:nth-child(1) .n-seriesitem__meter::after {
  width: 62%;
}

.page-news .n-seriesitem:nth-child(2) .n-seriesitem__meter::after {
  width: 80%;
}

.page-news .n-seriesitem:nth-child(3) .n-seriesitem__meter::after {
  width: 46%;
}

.page-news .n-seriesitem__count {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  color: var(--c-text-mute);
}

.page-news .n-series__figure {
  margin: 0;
  border: 1px solid var(--c-line);
}

.page-news .n-series__figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 2 / 1;
  object-fit: cover;
}

/* ---------- 更新节奏 ---------- */
.page-news .n-timeline {
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--c-line);
}

.page-news .n-timeline__row {
  display: grid;
  grid-template-columns: 1.75rem minmax(0, 1fr);
  gap: 0.15rem 0.9rem;
  padding: 1.2rem 0 1.3rem;
  border-bottom: 1px solid var(--c-line);
}

.page-news .n-timeline__mark {
  grid-column: 1;
  grid-row: 1 / span 3;
  width: 9px;
  height: 9px;
  margin-top: 0.5rem;
  background: var(--c-orange);
}

.page-news .n-timeline__name {
  grid-column: 2;
  margin: 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.0625rem;
  letter-spacing: 0.03em;
  color: var(--c-text);
}

.page-news .n-timeline__cycle {
  grid-column: 2;
  margin: 0.15rem 0 0.45rem;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  color: var(--c-orange);
}

.page-news .n-timeline__text {
  grid-column: 2;
  margin: 0;
  max-width: 68ch;
  font-size: 0.9375rem;
  color: var(--c-text-dim);
}

.page-news .n-cadence__note {
  margin: 1.75rem 0 0;
  padding: 1rem 1.15rem;
  background: var(--c-mid);
  border-left: 3px solid var(--c-orange);
  font-size: 0.9375rem;
  color: var(--c-text);
}

.page-news .n-cadence__note a {
  color: var(--c-cyan);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* ---------- 响应式 ---------- */
@media (min-width: 760px) {
  .page-news .n-logitem__trigger {
    grid-template-columns: minmax(0, 1fr) auto;
    gap: 0.45rem 1.25rem;
    align-items: start;
    padding: 1.1rem 1.25rem 1.2rem 1.35rem;
  }

  .page-news .n-logitem__top,
  .page-news .n-logitem__meta {
    grid-column: 1;
  }

  .page-news .n-logitem__trigger .tag {
    grid-column: 2;
    grid-row: 1;
  }

  .page-news .n-logitem__panel {
    padding-left: 1.35rem;
  }

  .page-news .n-panel__row {
    grid-template-columns: 8.5rem minmax(0, 1fr);
    gap: 0.25rem 1.25rem;
    align-items: baseline;
  }
}

@media (min-width: 880px) {
  .page-news .n-hero__grid {
    grid-template-columns: minmax(0, 1.3fr) minmax(0, 0.7fr);
    align-items: end;
  }

  .page-news .n-hero__figure img {
    aspect-ratio: 4 / 5;
  }

  .page-news .n-filter__grid {
    grid-template-columns: minmax(0, 0.82fr) minmax(0, 1.18fr);
    align-items: start;
  }

  .page-news .n-serieslist {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (min-width: 1100px) {
  .page-news .n-logitem__top {
    flex-wrap: nowrap;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-news *,
  .page-news *::before,
  .page-news *::after {
    transition-duration: 0.001ms !important;
    animation-duration: 0.001ms !important;
  }
}