.page-news {
  --news-hair: rgba(244, 247, 242, 0.14);
  --news-hair-strong: rgba(244, 247, 242, 0.28);
  --news-shell: min(1560px, calc(100% - 2rem));
  background: var(--ink);
  color: var(--snow);
  padding-bottom: 2rem;
}

.page-news .us-container {
  width: var(--news-shell);
}

/* ---------- 首屏报头 ---------- */
.page-news .news-hero {
  position: relative;
  margin-top: 1.25rem;
  overflow: hidden;
  background:
    radial-gradient(120% 92% at 84% -6%, rgba(31, 107, 74, 0.55), transparent 62%),
    linear-gradient(155deg, var(--ink-deepest), var(--ink-raised) 56%, var(--ink));
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 2.5rem), 0 100%);
}

.page-news .news-hero::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 2px;
  background: linear-gradient(90deg, var(--dusk), var(--sand) 46%, var(--neon));
  opacity: 0.85;
}

.page-news .news-hero__inner {
  width: var(--news-shell);
  margin-inline: auto;
  display: grid;
  gap: 2rem;
  padding: 2.25rem 0 4.5rem;
}

.page-news .news-hero h1 {
  margin: 0.75rem 0 0;
  font-family: var(--font-display);
  font-size: clamp(2.1rem, 6.6vw, 4.5rem);
  font-weight: 800;
  line-height: 1.04;
  letter-spacing: -0.012em;
}

.page-news .news-hero__lead {
  margin: 1rem 0 0;
  max-width: 34rem;
  font-size: 1rem;
  line-height: 1.8;
  color: var(--line);
}

.page-news .news-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 1.5rem;
}

.page-news .news-hero__stats {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.75rem;
  margin: 0;
  padding-top: 1.25rem;
  border-top: 1px solid var(--news-hair);
}

.page-news .news-hero__stat dt {
  font-size: 0.75rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--gobi);
}

.page-news .news-hero__stat dd {
  display: flex;
  align-items: baseline;
  gap: 0.3rem;
  margin: 0.35rem 0 0;
  font-family: var(--font-mono);
  font-size: clamp(1.6rem, 4.4vw, 2.4rem);
  font-weight: 700;
  color: var(--neon);
  line-height: 1;
}

.page-news .news-hero__stat dd span {
  font-family: var(--font-body);
  font-size: 0.8125rem;
  letter-spacing: 0;
  color: var(--gobi);
}

/* ---------- 重点条目 ---------- */
.page-news .news-lead {
  padding: 0 0 1.5rem;
}

.page-news .news-lead__card {
  position: relative;
  display: grid;
  gap: 1.5rem;
  background: var(--ink-raised);
  border: 1px solid var(--news-hair);
  border-radius: var(--radius);
  overflow: hidden;
}

.page-news .news-lead__card::after {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background: linear-gradient(90deg, var(--dusk), var(--sand));
}

.page-news .news-lead__figure {
  margin: 0;
  overflow: hidden;
}

.page-news .news-lead__figure img {
  display: block;
  width: 100%;
  height: 100%;
  max-width: 100%;
  object-fit: cover;
  aspect-ratio: 16 / 9;
}

.page-news .news-lead__body {
  padding: 0 1.25rem 1.75rem;
}

.page-news .news-lead__title {
  margin: 0.6rem 0 0;
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 4.2vw, 2.25rem);
  font-weight: 800;
  line-height: 1.18;
}

.page-news .news-lead__text {
  margin: 0.9rem 0 0;
  max-width: 40rem;
  font-size: 1rem;
  line-height: 1.85;
  color: var(--line);
}

.page-news .news-lead__body .us-btn {
  margin-top: 1.4rem;
}

/* ---------- 动态列表 ---------- */
.page-news .news-feed__head {
  display: grid;
  gap: 0.75rem;
}

.page-news .news-feed__filter {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 1.5rem;
}

.page-news .us-filter__btn {
  min-height: 44px;
  border: 1px solid var(--news-hair-strong);
  background: transparent;
  color: var(--line);
  cursor: pointer;
  transition: background 0.2s var(--ease), color 0.2s var(--ease), border-color 0.2s var(--ease);
}

.page-news .us-filter__btn:hover {
  border-color: var(--sand);
  color: var(--sand-bright);
}

.page-news .us-filter__btn[aria-pressed="true"] {
  background: var(--sand);
  border-color: var(--sand);
  color: var(--ink-deepest);
  font-weight: 700;
}

.page-news .us-filter__btn:focus-visible {
  outline: 2px solid var(--neon);
  outline-offset: 3px;
}

.page-news .news-list {
  list-style: none;
  margin: 1.75rem 0 0;
  padding: 0;
  border-top: 1px solid var(--news-hair);
}

.page-news .news-list__item {
  display: grid;
  grid-template-columns: 2.5rem minmax(0, 1fr);
  gap: 0.5rem 0.9rem;
  padding: 1.35rem 0;
  border-bottom: 1px solid var(--news-hair);
  transition: background 0.25s var(--ease);
}

.page-news .news-list__item:hover {
  background: rgba(31, 107, 74, 0.14);
}

.page-news .news-list__no {
  font-family: var(--font-mono);
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--sand);
  letter-spacing: 0.04em;
  padding-top: 0.15rem;
}

.page-news .news-list__meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.6rem;
}

.page-news .news-list__time {
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  color: var(--gobi);
  letter-spacing: 0.04em;
}

.page-news .news-list__title {
  margin: 0.6rem 0 0;
  font-family: var(--font-display);
  font-size: clamp(1.15rem, 3.2vw, 1.5rem);
  font-weight: 700;
  line-height: 1.3;
  color: var(--snow);
}

.page-news .news-list__excerpt {
  margin: 0.6rem 0 0;
  font-size: 0.98rem;
  line-height: 1.8;
  color: var(--line);
}

.page-news .news-list__more {
  margin-top: 0.8rem;
}

.page-news .news-list__more > summary {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  cursor: pointer;
  list-style: none;
  font-size: 0.8125rem;
  letter-spacing: 0.08em;
  color: var(--sand);
  border-bottom: 1px dashed rgba(216, 168, 78, 0.5);
  padding-bottom: 2px;
}

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

.page-news .news-list__more > summary::after {
  content: "＋";
  font-family: var(--font-mono);
}

.page-news .news-list__more[open] > summary::after {
  content: "－";
}

.page-news .news-list__more > summary:focus-visible {
  outline: 2px solid var(--neon);
  outline-offset: 3px;
}

.page-news .news-list__more p {
  margin: 0.7rem 0 0;
  font-size: 0.9375rem;
  line-height: 1.8;
  color: var(--gobi);
}

/* ---------- 专题章节 ---------- */
.page-news .news-focus__grid {
  display: grid;
  gap: 1.75rem;
  align-items: center;
}

.page-news .news-focus__figure {
  margin: 0;
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--news-hair);
}

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

.page-news .news-focus__figure .us-figure__caption {
  padding: 0.75rem 1rem;
  font-size: 0.8125rem;
  color: var(--gobi);
  background: var(--ink-deepest);
}

.page-news .news-focus__title {
  margin: 0.6rem 0 0;
  font-family: var(--font-display);
  font-size: clamp(1.6rem, 4.4vw, 2.5rem);
  font-weight: 800;
  line-height: 1.16;
}

.page-news .news-focus__text {
  margin: 0.9rem 0 0;
  font-size: 1rem;
  line-height: 1.85;
  color: var(--line);
}

.page-news .news-focus__list {
  margin: 1.25rem 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 0.6rem;
}

.page-news .news-focus__list li {
  position: relative;
  padding-left: 1.4rem;
  font-size: 0.98rem;
  line-height: 1.7;
  color: var(--line);
}

.page-news .news-focus__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.62em;
  width: 8px;
  height: 8px;
  background: var(--neon);
  border-radius: 2px;
  transform: rotate(45deg);
}

.page-news .news-focus__body .us-btn {
  margin-top: 1.4rem;
}

/* ---------- 版本时间线 ---------- */
.page-news .news-timeline__head {
  display: grid;
  gap: 1rem;
}

.page-news .news-years {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-news .news-years a {
  display: inline-block;
  padding: 0.4rem 0.75rem;
  font-family: var(--font-mono);
  font-size: 0.875rem;
  letter-spacing: 0.06em;
  color: var(--sand);
  border: 1px solid rgba(216, 168, 78, 0.45);
  border-radius: 999px;
  text-decoration: none;
  transition: background 0.2s var(--ease), color 0.2s var(--ease);
}

.page-news .news-years a:hover,
.page-news .news-years a:focus-visible {
  background: var(--sand);
  color: var(--ink-deepest);
  outline: none;
}

.page-news .news-timeline__list {
  list-style: none;
  margin: 2rem 0 0;
  padding: 0 0 0 1.6rem;
  border-left: 1px solid var(--news-hair-strong);
  display: grid;
  gap: 1.9rem;
}

.page-news .news-timeline__item {
  position: relative;
  scroll-margin-top: 8rem;
}

.page-news .news-timeline__item::before {
  content: "";
  position: absolute;
  left: calc(-1.6rem - 5px);
  top: 0.5rem;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--sand);
  box-shadow: 0 0 0 4px rgba(216, 168, 78, 0.16);
}

.page-news .news-timeline__year {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--neon);
  letter-spacing: 0.04em;
}

.page-news .news-timeline__title {
  margin: 0.35rem 0 0;
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--snow);
}

.page-news .news-timeline__text {
  margin: 0.5rem 0 0;
  font-size: 0.98rem;
  line-height: 1.8;
  color: var(--line);
}

.page-news .news-timeline__figure {
  margin: 2.25rem 0 0;
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--news-hair);
}

.page-news .news-timeline__figure img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
  aspect-ratio: 3 / 2;
  max-height: 420px;
}

.page-news .news-timeline__figure .us-figure__caption {
  padding: 0.75rem 1rem;
  font-size: 0.8125rem;
  color: var(--gobi);
  background: var(--ink-deepest);
}

/* ---------- 更新节奏 ---------- */
.page-news .news-cadence__card {
  display: grid;
  gap: 1.75rem;
  padding: 1.75rem 1.25rem;
  background:
    linear-gradient(135deg, var(--ink-deepest), var(--ink-raised) 78%);
  border: 1px solid var(--news-hair);
  border-left: 4px solid var(--dusk);
  border-radius: var(--radius);
}

.page-news .news-cadence__title {
  margin: 0.6rem 0 0;
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 4.2vw, 2.15rem);
  font-weight: 800;
  line-height: 1.18;
}

.page-news .news-cadence__text {
  margin: 0.85rem 0 0;
  font-size: 1rem;
  line-height: 1.85;
  color: var(--line);
}

.page-news .news-cadence__body .us-btn {
  margin-top: 1.3rem;
}

.page-news .news-cadence__contact {
  display: grid;
  gap: 0.6rem;
  align-content: start;
  padding: 1.25rem;
  background: rgba(7, 19, 15, 0.6);
  border: 1px solid var(--news-hair);
  border-radius: var(--radius-sm);
}

.page-news .news-cadence__label {
  font-size: 0.75rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--gobi);
}

.page-news .news-cadence__mail {
  font-family: var(--font-mono);
  font-size: 0.9375rem;
  color: var(--neon);
  word-break: break-all;
  line-height: 1.5;
}

.page-news .news-cadence__copy {
  justify-self: start;
  margin-top: 0.25rem;
  cursor: pointer;
}

.page-news .news-cadence__note {
  margin: 0.35rem 0 0;
  font-size: 0.8125rem;
  line-height: 1.7;
  color: var(--gobi);
}

.page-news .news-texture {
  margin: 1.5rem 0 0;
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--news-hair);
  opacity: 0.88;
}

.page-news .news-texture img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
  max-height: 260px;
}

/* ---------- 响应式 ---------- */
@media (min-width: 700px) {
  .page-news .news-list__item {
    grid-template-columns: 3.25rem minmax(0, 1fr);
    gap: 0.5rem 1.4rem;
    padding: 1.6rem 0;
  }

  .page-news .news-lead__body {
    padding: 0 2rem 2rem;
  }

  .page-news .news-cadence__card {
    grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr);
    align-items: start;
    padding: 2.25rem 2.25rem;
    gap: 2.25rem;
  }

  .page-news .news-timeline__head {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: end;
  }

  .page-news .news-years {
    justify-content: flex-end;
  }
}

@media (min-width: 1000px) {
  .page-news .news-hero__inner {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
    align-items: end;
    gap: 3rem;
    padding: 3.25rem 0 5.5rem;
  }

  .page-news .news-hero__stats {
    padding-top: 1.5rem;
    border-top-color: var(--news-hair);
  }

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

  .page-news .news-lead__figure img {
    height: 100%;
    aspect-ratio: auto;
    min-height: 340px;
  }

  .page-news .news-lead__body {
    align-self: center;
    padding: 2.25rem 2.5rem 2.5rem 0.5rem;
  }

  .page-news .news-focus__grid {
    grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
    gap: 3rem;
  }

  .page-news .news-feed__head {
    grid-template-columns: minmax(0, 1fr) minmax(0, 0.9fr);
    align-items: end;
    gap: 2rem;
  }

  .page-news .news-timeline__list {
    gap: 2.4rem;
  }
}

@media (min-width: 1280px) {
  .page-news .news-hero__inner {
    padding: 4rem 0 6rem;
  }

  .page-news .news-list__excerpt {
    max-width: 52rem;
  }

  .page-news .news-timeline__list {
    padding-left: 2rem;
  }

  .page-news .news-timeline__item::before {
    left: calc(-2rem - 5px);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-news .news-list__item,
  .page-news .us-filter__btn,
  .page-news .news-years a {
    transition: none;
  }
}