.page-news {
  --news-rail-w: 232px;
  --news-gap: clamp(24px, 4vw, 56px);
  --news-cut: 26px;
  background: var(--c-deep);
  color: var(--c-paper);
  overflow-x: hidden;
}

.page-news .breadcrumbs {
  padding-top: var(--sp-5);
}

/* ---------- 专题封面 ---------- */
.page-news .news-cover {
  position: relative;
  padding: clamp(24px, 4vw, 48px) 0 clamp(40px, 6vw, 76px);
  border-bottom: 1px solid var(--c-line);
}

.page-news .news-cover::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(to right, rgba(30, 71, 102, 0.42) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(30, 71, 102, 0.42) 1px, transparent 1px);
  background-size: 56px 56px;
  -webkit-mask-image: radial-gradient(ellipse at 70% 20%, #000 10%, transparent 78%);
  mask-image: radial-gradient(ellipse at 70% 20%, #000 10%, transparent 78%);
  pointer-events: none;
}

.page-news .news-cover__grid {
  position: relative;
  display: grid;
  gap: var(--sp-6);
}

.page-news .news-cover__copy h1 {
  margin: var(--sp-3) 0 0;
  font-family: var(--f-display);
  font-weight: 800;
  font-size: var(--fs-hero);
  line-height: 1.05;
  letter-spacing: -0.01em;
  color: var(--c-paper);
}

.page-news .news-cover__copy .lede {
  margin-top: var(--sp-4);
  max-width: 46ch;
  color: var(--c-mist);
  font-size: var(--fs-body);
  line-height: 1.72;
}

.page-news .news-cover__stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--sp-3);
  margin: var(--sp-6) 0 0;
  padding: 0;
}

.page-news .news-cover__stat {
  padding: var(--sp-3) var(--sp-4);
  border: 1px solid var(--c-line);
  border-radius: var(--radius-soft);
  background: rgba(13, 39, 66, 0.66);
}

.page-news .news-cover__stat dt {
  font-size: var(--fs-small);
  color: var(--c-mist);
  letter-spacing: 0.04em;
}

.page-news .news-cover__stat dd {
  margin: var(--sp-1) 0 0;
  font-family: var(--f-mono);
  font-weight: 600;
  font-size: clamp(1.35rem, 3vw, 1.9rem);
  color: var(--c-cyan);
  line-height: 1.15;
}

.page-news .news-cover__stat--lime dd {
  color: var(--c-lime);
}

.page-news .news-cover__actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--sp-3);
  margin-top: var(--sp-6);
}

.page-news .news-cover__media {
  position: relative;
}

.page-news .news-cover__badge {
  margin-top: var(--sp-4);
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: var(--sp-4) var(--sp-5);
  background: var(--c-navy);
  border-left: 3px solid var(--c-lime);
}

.page-news .news-cover__badge-label {
  font-size: var(--fs-small);
  letter-spacing: 0.14em;
  color: var(--c-lime);
}

.page-news .news-cover__badge strong {
  font-family: var(--f-display);
  font-size: clamp(1.2rem, 2.4vw, 1.55rem);
  color: var(--c-paper);
}

.page-news .news-cover__badge span:last-child {
  font-size: var(--fs-small);
  color: var(--c-mist);
}

/* ---------- 主体两栏 ---------- */
.page-news .news-board__grid {
  display: grid;
  gap: var(--sp-6);
  padding: clamp(32px, 5vw, 64px) 0 clamp(48px, 7vw, 88px);
}

.page-news .news-rail {
  border: 1px solid var(--c-line);
  border-radius: var(--radius-soft);
  background: rgba(13, 39, 66, 0.55);
  padding: var(--sp-4);
}

.page-news .news-rail__title {
  margin: 0 0 var(--sp-3);
  font-size: var(--fs-small);
  letter-spacing: 0.16em;
  color: var(--c-cyan);
}

.page-news .news-rail__title--sub {
  margin-top: var(--sp-5);
  color: var(--c-mist);
}

.page-news .news-rail__list,
.page-news .news-rail__chips {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: var(--sp-2);
}

.page-news .news-rail__link {
  display: block;
  padding: 8px 14px;
  border: 1px solid var(--c-line);
  border-radius: 999px;
  color: var(--c-paper);
  font-size: var(--fs-small);
  text-decoration: none;
  transition: color var(--speed) var(--ease), border-color var(--speed) var(--ease), background var(--speed) var(--ease);
}

.page-news .news-rail__chip {
  display: inline-block;
  padding: 6px 12px;
  border-radius: 999px;
  background: rgba(38, 224, 255, 0.08);
  border: 1px solid rgba(38, 224, 255, 0.32);
  color: var(--c-mist);
  font-size: var(--fs-small);
  text-decoration: none;
  transition: color var(--speed) var(--ease), background var(--speed) var(--ease), border-color var(--speed) var(--ease);
}

.page-news .news-rail__link:hover,
.page-news .news-rail__link:focus-visible,
.page-news .news-rail__chip:hover,
.page-news .news-rail__chip:focus-visible {
  color: var(--c-deep);
  background: var(--c-cyan);
  border-color: var(--c-cyan);
  outline: none;
}

.page-news .news-rail__link:focus-visible,
.page-news .news-rail__chip:focus-visible {
  box-shadow: 0 0 0 3px var(--focus);
}

/* ---------- 条目流 ---------- */
.page-news .news-stream__head,
.page-news .news-cats__head,
.page-news .news-topics__head {
  margin-bottom: var(--sp-5);
}

.page-news .news-stream__note,
.page-news .news-cats__note,
.page-news .news-topics__note {
  margin-top: var(--sp-3);
  max-width: 60ch;
  color: var(--c-mist);
  font-size: var(--fs-small);
  line-height: 1.7;
}

.page-news .news-stream__banner {
  margin: 0 0 var(--sp-6);
}

.page-news .news-stream__banner .media-frame__inner {
  aspect-ratio: 2.6 / 1;
  overflow: hidden;
  border-radius: var(--radius-soft);
  border: 1px solid var(--c-line);
}

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

.page-news .season-band {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: var(--sp-2);
  margin: var(--sp-6) 0 var(--sp-4);
  padding-bottom: var(--sp-2);
  border-bottom: 1px solid var(--c-line);
  font-family: var(--f-mono);
  font-size: var(--fs-small);
  letter-spacing: 0.08em;
}

.page-news .season-band__label {
  color: var(--c-cyan);
  font-weight: 600;
}

.page-news .season-band__range {
  color: var(--c-mist);
}

.page-news .news-list {
  position: relative;
  list-style: none;
  margin: 0;
  padding: 0 0 0 26px;
}

.page-news .news-list::before {
  content: "";
  position: absolute;
  left: 6px;
  top: 10px;
  bottom: 10px;
  width: 2px;
  background: linear-gradient(to bottom, var(--c-cyan), var(--c-line) 55%, rgba(30, 71, 102, 0));
}

.page-news .news-item {
  position: relative;
  margin-bottom: var(--sp-3);
}

.page-news .news-item::before {
  content: "";
  position: absolute;
  left: -27px;
  top: 26px;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--c-deep);
  border: 2px solid var(--c-cyan);
  box-shadow: 0 0 0 4px rgba(38, 224, 255, 0.12);
}

.page-news .news-item__card {
  position: relative;
  padding: var(--sp-4) var(--sp-5);
  background: var(--c-navy);
  border: 1px solid var(--c-line);
  border-radius: var(--radius-soft);
  transition: transform var(--speed) var(--ease), border-color var(--speed) var(--ease), background var(--speed) var(--ease);
}

.page-news .news-item__card::after {
  content: "";
  position: absolute;
  right: -1px;
  bottom: -1px;
  width: var(--news-cut);
  height: var(--news-cut);
  background: var(--c-deep);
  clip-path: polygon(100% 0, 100% 100%, 0 100%);
}

.page-news .news-item__card:hover,
.page-news .news-item__card:focus-within {
  transform: translateY(-3px);
  border-color: var(--c-cyan);
  background: #0f2e4d;
}

.page-news .news-item__meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--sp-3);
  margin-bottom: var(--sp-2);
}

.page-news .news-item__period {
  font-family: var(--f-mono);
  font-size: var(--fs-small);
  color: var(--c-mist);
  letter-spacing: 0.03em;
}

.page-news .news-item__title {
  margin: 0;
  font-size: clamp(1.05rem, 1.6vw, 1.28rem);
  font-weight: 700;
  line-height: 1.38;
  color: var(--c-paper);
}

.page-news .news-item__summary {
  margin: var(--sp-2) 0 0;
  font-size: var(--fs-small);
  line-height: 1.72;
  color: var(--c-mist);
}

.page-news .news-item__mark {
  display: inline-flex;
  align-items: center;
  gap: var(--sp-2);
  margin-top: var(--sp-3);
  font-size: var(--fs-small);
  color: var(--c-lime);
}

.page-news .news-item__mark::before {
  content: "";
  width: 18px;
  height: 2px;
  background: var(--c-lime);
}

.page-news .news-item__mark--alert {
  color: var(--c-alert);
}

.page-news .news-item__mark--alert::before {
  background: var(--c-alert);
}

/* ---------- 分类索引 ---------- */
.page-news .news-cats {
  margin-top: clamp(48px, 7vw, 88px);
  padding-top: clamp(28px, 4vw, 48px);
  border-top: 1px solid var(--c-line);
}

.page-news .news-cats__figure {
  margin: 0 0 var(--sp-5);
}

.page-news .news-cats__figure .media-frame__inner {
  aspect-ratio: 2.4 / 1;
  overflow: hidden;
  border-radius: var(--radius-soft);
  border: 1px solid var(--c-line);
}

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

.page-news .news-cats__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--sp-3);
}

.page-news .news-cats__card {
  padding: var(--sp-4);
  background: rgba(13, 39, 66, 0.72);
  border-left: 3px solid var(--c-cyan);
  border-radius: 0 var(--radius-soft) var(--radius-soft) 0;
  transition: background var(--speed) var(--ease), border-color var(--speed) var(--ease);
}

.page-news .news-cats__card:hover,
.page-news .news-cats__card:focus-within {
  background: rgba(20, 55, 88, 0.9);
  border-left-color: var(--c-lime);
}

.page-news .news-cats__count {
  font-family: var(--f-mono);
  font-size: var(--fs-small);
  color: var(--c-lime);
  letter-spacing: 0.06em;
}

.page-news .news-cats__name {
  margin: var(--sp-1) 0 var(--sp-2);
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--c-paper);
}

.page-news .news-cats__desc {
  margin: 0;
  font-size: var(--fs-small);
  line-height: 1.7;
  color: var(--c-mist);
}

.page-news .news-cats__link {
  display: inline-block;
  margin-top: var(--sp-3);
  font-size: var(--fs-small);
  color: var(--c-cyan);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color var(--speed) var(--ease), color var(--speed) var(--ease);
}

.page-news .news-cats__link:hover,
.page-news .news-cats__link:focus-visible {
  color: var(--c-lime);
  border-bottom-color: var(--c-lime);
  outline: none;
}

/* ---------- 专题系列 ---------- */
.page-news .news-topics {
  margin-top: clamp(48px, 7vw, 88px);
  padding-top: clamp(28px, 4vw, 48px);
  border-top: 1px solid var(--c-line);
}

.page-news .news-topics__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--sp-4);
}

.page-news .news-topics__media .media-frame__inner {
  aspect-ratio: 1 / 1;
  overflow: hidden;
  border-radius: var(--radius-soft);
  border: 1px solid var(--c-line);
}

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

.page-news .news-topics__card {
  display: flex;
  flex-direction: column;
  padding: var(--sp-5);
  background: var(--c-navy);
  border: 1px solid var(--c-line);
  border-radius: var(--radius-soft);
  transition: transform var(--speed) var(--ease), border-color var(--speed) var(--ease);
}

.page-news .news-topics__card:hover,
.page-news .news-topics__card:focus-within {
  transform: translateY(-3px);
  border-color: var(--c-lime);
}

.page-news .news-topics__tag {
  align-self: flex-start;
  padding: 3px 10px;
  border-radius: 999px;
  background: rgba(182, 255, 59, 0.14);
  color: var(--c-lime);
  font-size: var(--fs-small);
  letter-spacing: 0.06em;
}

.page-news .news-topics__card h3 {
  margin: var(--sp-3) 0 var(--sp-2);
  font-size: 1.1rem;
  font-weight: 700;
  line-height: 1.4;
  color: var(--c-paper);
}

.page-news .news-topics__card p {
  margin: 0 0 var(--sp-4);
  font-size: var(--fs-small);
  line-height: 1.72;
  color: var(--c-mist);
}

.page-news .news-topics__link {
  margin-top: auto;
  align-self: flex-start;
  font-size: var(--fs-small);
  color: var(--c-cyan);
  text-decoration: none;
  border-bottom: 1px solid var(--c-line);
  padding-bottom: 2px;
  transition: color var(--speed) var(--ease), border-color var(--speed) var(--ease);
}

.page-news .news-topics__link:hover,
.page-news .news-topics__link:focus-visible {
  color: var(--c-lime);
  border-bottom-color: var(--c-lime);
  outline: none;
}

/* ---------- 更新提示 ---------- */
.page-news .news-notify {
  margin-top: clamp(48px, 7vw, 88px);
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--sp-5);
  padding: clamp(24px, 4vw, 48px);
  background: linear-gradient(135deg, rgba(13, 39, 66, 0.95), rgba(7, 26, 47, 0.9) 60%, rgba(38, 224, 255, 0.12));
  border: 1px solid var(--c-line);
  border-radius: var(--radius-soft);
}

.page-news .news-notify__copy p {
  max-width: 56ch;
  color: var(--c-mist);
  font-size: var(--fs-small);
  line-height: 1.75;
}

.page-news .news-notify__actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--sp-3);
  margin-top: var(--sp-5);
}

.page-news .news-notify__card {
  padding: var(--sp-5);
  background: var(--c-deep);
  border: 1px solid var(--c-line);
  border-top: 3px solid var(--c-cyan);
  border-radius: var(--radius-soft);
}

.page-news .news-notify__card-label {
  margin: 0;
  font-size: var(--fs-small);
  letter-spacing: 0.14em;
  color: var(--c-cyan);
}

.page-news .news-notify__mail {
  margin: var(--sp-2) 0 0;
  font-family: var(--f-mono);
  font-size: clamp(0.85rem, 2.4vw, 1rem);
  color: var(--c-paper);
  word-break: break-all;
}

.page-news .news-notify__hint {
  margin: var(--sp-3) 0 0;
  font-size: var(--fs-small);
  line-height: 1.7;
  color: var(--c-mist);
}

.page-news .news-notify__links {
  display: flex;
  flex-wrap: wrap;
  gap: var(--sp-4);
  margin: var(--sp-4) 0 0;
  padding: var(--sp-3) 0 0;
  border-top: 1px dashed var(--c-line);
  list-style: none;
}

.page-news .news-notify__links a {
  font-size: var(--fs-small);
  color: var(--c-cyan);
  text-decoration: none;
}

.page-news .news-notify__links a:hover,
.page-news .news-notify__links a:focus-visible {
  color: var(--c-lime);
  outline: none;
}

/* ---------- 响应式 ---------- */
@media (min-width: 560px) {
  .page-news .news-cover__stats {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

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

@media (min-width: 860px) {
  .page-news .news-cover__grid {
    grid-template-columns: 1.04fr 0.96fr;
    align-items: center;
    gap: var(--sp-7);
  }

  .page-news .news-cover__badge {
    position: absolute;
    right: -8px;
    bottom: -24px;
    max-width: 260px;
    margin-top: 0;
    box-shadow: 0 18px 40px rgba(2, 7, 13, 0.55);
  }

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

  .page-news .news-notify {
    grid-template-columns: 1.25fr 0.75fr;
    align-items: start;
  }
}

@media (min-width: 960px) {
  .page-news .news-board__grid {
    grid-template-columns: var(--news-rail-w) minmax(0, 1fr);
    gap: var(--news-gap);
    align-items: start;
  }

  .page-news .news-rail {
    position: sticky;
    top: var(--sp-6);
  }

  .page-news .news-rail__list {
    display: block;
  }

  .page-news .news-rail__list li + li {
    margin-top: 2px;
  }

  .page-news .news-rail__link {
    border: none;
    border-left: 2px solid var(--c-line);
    border-radius: 0;
    padding: 9px 0 9px 14px;
    background: transparent;
  }

  .page-news .news-rail__link:hover,
  .page-news .news-rail__link:focus-visible {
    background: transparent;
    color: var(--c-cyan);
    border-left-color: var(--c-lime);
  }

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

@media (min-width: 1120px) {
  .page-news .news-topics__grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-news .news-topics__media {
    grid-column: span 1;
    grid-row: span 2;
  }

  .page-news .news-topics__media .media-frame__inner {
    height: 100%;
    aspect-ratio: auto;
  }
}

@media (max-width: 639px) {
  .page-news .news-stream__banner .media-frame__inner,
  .page-news .news-cats__figure .media-frame__inner {
    aspect-ratio: 16 / 9;
  }

  .page-news .news-list {
    padding-left: 20px;
  }

  .page-news .news-item::before {
    left: -21px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-news .news-item__card,
  .page-news .news-topics__card,
  .page-news .news-cats__card,
  .page-news .news-rail__link,
  .page-news .news-rail__chip {
    transition: none;
  }

  .page-news .news-item__card:hover,
  .page-news .news-topics__card:hover {
    transform: none;
  }
}