.page-news {
  --nu-rail-w: 236px;
  --nu-gap: clamp(20px, 3.2vw, 48px);
  --nu-line-soft: rgba(30, 74, 65, 0.6);
  --nu-paper-line: rgba(23, 33, 31, 0.14);
  --nu-paper-ink-2: #3A4A45;
}

/* ---------- 封面 ---------- */
.page-news .nu-cover {
  background:
    radial-gradient(90% 130% at 88% -20%, rgba(127, 216, 198, 0.16), transparent 62%),
    radial-gradient(70% 90% at 4% 112%, rgba(232, 255, 82, 0.09), transparent 60%),
    linear-gradient(178deg, #07131F 0%, #0A1A2A 60%, #10322C 100%);
  border-bottom: 1px solid var(--line);
  padding-block: clamp(24px, 4vw, 44px) clamp(40px, 6vw, 78px);
}

.page-news .nu-cover__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--nu-gap);
  margin-top: clamp(22px, 4vw, 46px);
}

.page-news .nu-title {
  font-size: clamp(30px, 6.2vw, 60px);
  line-height: 1.1;
  letter-spacing: -0.015em;
  color: var(--mist);
  max-width: 15ch;
  margin: 0.34em 0 0.52em;
}

.page-news .nu-lede {
  max-width: 46ch;
  color: var(--muted);
  font-size: clamp(15px, 1.6vw, 17px);
  line-height: 1.8;
}

.page-news .nu-cover__cta {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: clamp(20px, 3vw, 32px);
}

.page-news .nu-pulse {
  display: grid;
  gap: 8px;
  padding: 20px 20px 22px;
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  background: linear-gradient(155deg, rgba(16, 50, 44, 0.92), rgba(7, 19, 31, 0.72));
  box-shadow: 0 20px 42px -30px rgba(0, 0, 0, 0.92);
}

.page-news .nu-pulse__row {
  display: flex;
  align-items: baseline;
  gap: 8px;
}

.page-news .nu-pulse__num {
  font-family: var(--font-mono);
  font-size: clamp(38px, 7vw, 52px);
  line-height: 1;
  letter-spacing: -0.03em;
  color: var(--zest);
}

.page-news .nu-pulse__unit {
  font-size: 14px;
  color: var(--muted);
}

.page-news .nu-pulse__stage {
  margin: 0;
  font-size: 14px;
  color: var(--mist);
}

.page-news .nu-pulse__meta {
  display: grid;
  gap: 7px;
  margin: 8px 0 0;
  padding-top: 13px;
  border-top: 1px solid var(--nu-line-soft);
  font-size: 13px;
}

.page-news .nu-pulse__meta > div {
  display: flex;
  justify-content: space-between;
  gap: 12px;
}

.page-news .nu-pulse__meta dt {
  color: var(--muted);
}

.page-news .nu-pulse__meta dd {
  margin: 0;
  color: var(--mist);
}

/* ---------- 归档列表 ---------- */
.page-news .nu-archive {
  background: linear-gradient(180deg, #10322C 0%, #0C2620 100%);
  color: var(--mist);
}

.page-news .nu-archive__head {
  max-width: 54ch;
}

.page-news .nu-archive__head .h2 {
  color: var(--mist);
}

.page-news .nu-archive__note {
  margin: 12px 0 0;
  color: var(--muted);
  font-size: 15px;
  line-height: 1.75;
}

.page-news .nu-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--nu-gap);
  margin-top: clamp(26px, 4vw, 50px);
}

.page-news .nu-layout > * {
  min-width: 0;
}

.page-news .nu-rail .annot {
  display: block;
  margin-bottom: 12px;
}

.page-news .nu-cats {
  display: grid;
  gap: 8px;
}

.page-news .nu-cat {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  width: 100%;
  padding: 10px 15px;
  border: 1px solid var(--line);
  border-radius: var(--pill);
  background: transparent;
  color: var(--mist);
  font: inherit;
  font-size: 14px;
  line-height: 1.4;
  text-align: left;
  cursor: pointer;
  transition: background 0.22s var(--ease), color 0.22s var(--ease), border-color 0.22s var(--ease);
}

.page-news .nu-cat .num {
  font-size: 12px;
  opacity: 0.72;
}

.page-news .nu-cat:hover {
  border-color: var(--flood);
  color: var(--zest);
}

.page-news .nu-cat[aria-selected="true"],
.page-news .nu-cat.is-on {
  background: var(--zest);
  border-color: var(--zest);
  color: #0A1A2A;
}

.page-news .nu-cat[aria-selected="true"] .num,
.page-news .nu-cat.is-on .num {
  opacity: 0.66;
}

.page-news .nu-rail__hint {
  margin: 16px 0 0;
  font-size: 13px;
  color: var(--muted);
  line-height: 1.7;
}

.page-news .nu-rail__hint a {
  color: var(--flood);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-news .nu-flow {
  display: grid;
}

.page-news .nu-stream {
  display: grid;
  gap: 0;
}

.page-news .nu-stream + .nu-stream {
  margin-top: 0;
}

.page-news .nu-post {
  display: grid;
  gap: 12px;
  padding: clamp(20px, 2.6vw, 30px) 0;
  border-top: 1px solid var(--nu-line-soft);
}

.page-news .nu-post:first-child {
  border-top: 0;
  padding-top: 0;
}

.page-news .nu-post__meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  font-size: 12.5px;
}

.page-news .nu-post__round {
  display: inline-flex;
  align-items: center;
  padding: 3px 11px;
  border: 1px solid var(--line);
  border-radius: var(--pill);
  color: var(--mist);
  letter-spacing: 0.02em;
}

.page-news .nu-post__stage {
  color: var(--muted);
  letter-spacing: 0.06em;
}

.page-news .nu-post__title {
  margin: 0;
  color: var(--mist);
  font-size: clamp(18px, 2.2vw, 22px);
  line-height: 1.42;
}

.page-news .nu-post__text {
  margin: 0;
  max-width: 62ch;
  color: var(--muted);
  font-size: 15px;
  line-height: 1.85;
}

.page-news .nu-post--shot .nu-post__thumb {
  margin: 0;
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  overflow: hidden;
  filter: saturate(0.86) contrast(1.04);
}

.page-news .nu-post--shot .nu-post__thumb img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

.page-news .nu-post--shot .nu-post__body {
  display: grid;
  gap: 12px;
}

/* ---------- 轮次索引 ---------- */
.page-news .nu-rounds {
  color: var(--ink);
}

.page-news .nu-rounds .h2 {
  color: var(--ink);
  font-size: clamp(24px, 3.4vw, 34px);
  line-height: 1.24;
  margin: 0.3em 0 0.55em;
}

.page-news .nu-rounds__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--nu-gap);
}

.page-news .nu-rounds__grid > * {
  min-width: 0;
}

.page-news .nu-rounds__text {
  margin: 0;
  color: var(--nu-paper-ink-2);
  font-size: 15px;
  line-height: 1.82;
  max-width: 36ch;
}

.page-news .nu-rounds__fig {
  margin: clamp(22px, 3vw, 34px) 0 0;
}

.page-news .nu-rounds__fig img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

.page-news .nu-index {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px;
}

.page-news .nu-index a {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 13px 14px 14px;
  border: 1px solid var(--nu-paper-line);
  border-radius: 14px 4px 14px 4px;
  color: var(--ink);
  text-decoration: none;
  transition: background 0.2s var(--ease), border-color 0.2s var(--ease), color 0.2s var(--ease);
}

.page-news .nu-index a .num {
  font-size: 15px;
  letter-spacing: 0.01em;
}

.page-news .nu-index__stage {
  font-size: 12px;
  color: var(--nu-paper-ink-2);
  opacity: 0.85;
}

.page-news .nu-index a:hover,
.page-news .nu-index a:focus-visible {
  border-color: rgba(23, 33, 31, 0.42);
  background: rgba(23, 33, 31, 0.05);
}

.page-news .nu-index a.is-now {
  background: #10322C;
  border-color: #10322C;
  color: var(--paper);
}

.page-news .nu-index a.is-now .nu-index__stage {
  color: rgba(243, 234, 214, 0.72);
}

/* ---------- 档案横幅 ---------- */
.page-news .nu-shelf {
  background: linear-gradient(180deg, #07131F, #0A1A2A);
  padding-block: clamp(44px, 6vw, 84px);
  border-block: 1px solid var(--line);
}

.page-news .nu-shelf__fig {
  margin: 0;
}

.page-news .nu-shelf__fig img {
  display: block;
  width: 100%;
  height: auto;
  border: 1px solid var(--line);
  border-radius: 26px 6px 26px 6px;
  object-fit: cover;
  filter: saturate(0.82) contrast(1.05);
}

.page-news .nu-shelf__fig .figure__cap {
  color: var(--muted);
  font-size: 13px;
  margin-top: 12px;
}

/* ---------- 战术板速读 ---------- */
.page-news .nu-reading {
  background-color: #07131F;
  background-image:
    repeating-linear-gradient(0deg, rgba(30, 74, 65, 0.34) 0 1px, transparent 1px 48px),
    repeating-linear-gradient(90deg, rgba(30, 74, 65, 0.34) 0 1px, transparent 1px 48px);
  color: var(--mist);
}

.page-news .nu-reading__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--nu-gap);
}

.page-news .nu-reading__grid > * {
  min-width: 0;
}

.page-news .nu-reading .h2 {
  color: var(--mist);
  font-size: clamp(24px, 3.4vw, 34px);
  line-height: 1.24;
  margin: 0.3em 0 0.55em;
}

.page-news .nu-reading__text {
  margin: 0;
  color: var(--muted);
  font-size: 15px;
  line-height: 1.82;
  max-width: 34ch;
}

.page-news .nu-steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
}

.page-news .nu-steps > li {
  display: grid;
  grid-template-columns: 46px minmax(0, 1fr);
  gap: 16px;
  padding: clamp(20px, 2.6vw, 28px) 0;
  border-top: 1px solid var(--nu-line-soft);
}

.page-news .nu-steps > li:first-child {
  border-top: 0;
  padding-top: 0;
}

.page-news .nu-steps__n {
  font-family: var(--font-mono);
  font-size: 15px;
  color: var(--zest);
  letter-spacing: 0.08em;
  padding-top: 3px;
}

.page-news .nu-steps__t {
  margin: 0 0 8px;
  color: var(--mist);
  font-size: clamp(17px, 2vw, 20px);
  line-height: 1.45;
}

.page-news .nu-steps__p {
  margin: 0;
  color: var(--muted);
  font-size: 15px;
  line-height: 1.85;
  max-width: 58ch;
}

/* ---------- 版本与资料库 ---------- */
.page-news .nu-version {
  color: var(--ink);
}

.page-news .nu-version__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--nu-gap);
}

.page-news .nu-version__grid > * {
  min-width: 0;
}

.page-news .nu-version .h2 {
  color: var(--ink);
  font-size: clamp(24px, 3.4vw, 34px);
  line-height: 1.24;
  margin: 0.3em 0 0.55em;
}

.page-news .nu-version__text {
  margin: 0;
  color: var(--nu-paper-ink-2);
  font-size: 15px;
  line-height: 1.82;
  max-width: 38ch;
}

.page-news .nu-version__fig {
  margin: clamp(22px, 3vw, 32px) 0 0;
}

.page-news .nu-version__fig img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

.page-news .nu-version__log {
  margin: 0;
  display: grid;
  align-content: start;
}

.page-news .nu-version__log > div {
  display: grid;
  grid-template-columns: minmax(74px, 96px) minmax(0, 1fr);
  gap: 14px;
  padding: 16px 0;
  border-bottom: 1px solid var(--nu-paper-line);
}

.page-news .nu-version__log > div:first-child {
  padding-top: 0;
}

.page-news .nu-version__log dt {
  font-weight: 700;
  color: var(--ink);
  font-size: 14px;
  line-height: 1.7;
}

.page-news .nu-version__log dd {
  margin: 0;
  color: var(--nu-paper-ink-2);
  font-size: 14.5px;
  line-height: 1.82;
}

/* ---------- 下一轮 ---------- */
.page-news .nu-next {
  background: linear-gradient(180deg, #0A1A2A, #07131F);
}

.page-news .nu-next__box {
  position: relative;
  overflow: hidden;
  padding: clamp(28px, 4.6vw, 58px);
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  background: linear-gradient(140deg, rgba(16, 50, 44, 0.9), rgba(7, 19, 31, 0.96) 64%);
}

.page-news .nu-next__box::after {
  content: "";
  position: absolute;
  right: -70px;
  bottom: -100px;
  width: 240px;
  height: 240px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(232, 255, 82, 0.24), transparent 70%);
  pointer-events: none;
}

.page-news .nu-next__t {
  color: var(--mist);
  font-size: clamp(24px, 3.6vw, 36px);
  line-height: 1.24;
  margin: 0.34em 0 0.5em;
  max-width: 20ch;
}

.page-news .nu-next__text {
  margin: 0;
  color: var(--muted);
  font-size: 15px;
  line-height: 1.85;
  max-width: 52ch;
}

.page-news .nu-next__cta {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: clamp(22px, 3vw, 34px);
}

/* ---------- 响应式 ---------- */
@media (min-width: 620px) {
  .page-news .nu-index {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

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

@media (min-width: 900px) {
  .page-news .nu-cover__grid {
    grid-template-columns: minmax(0, 1fr) 250px;
    align-items: end;
  }

  .page-news .nu-rounds__grid {
    grid-template-columns: minmax(0, 420px) minmax(0, 1fr);
    align-items: start;
  }

  .page-news .nu-reading__grid {
    grid-template-columns: minmax(0, 300px) minmax(0, 1fr);
    align-items: start;
  }

  .page-news .nu-version__grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.06fr);
    align-items: start;
  }
}

@media (min-width: 960px) {
  .page-news .nu-layout {
    grid-template-columns: var(--nu-rail-w) minmax(0, 1fr);
  }

  .page-news .nu-rail {
    position: sticky;
    top: calc(var(--nav-h) + 20px);
    align-self: start;
  }

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

  .page-news .nu-post--shot {
    grid-template-columns: minmax(0, 420px) minmax(0, 1fr);
    gap: clamp(20px, 2.8vw, 36px);
    align-items: start;
  }

  .page-news .nu-post--shot .nu-post__thumb {
    margin-top: 4px;
  }

  .page-news .nu-post:not(.nu-post--shot) {
    max-width: 66ch;
  }

  .page-news .nu-post:not(.nu-post--shot):nth-child(odd) {
    margin-left: min(6vw, 76px);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-news .nu-cat,
  .page-news .nu-index a {
    transition: none;
  }
}