.page-news {
  --news-sticky-top: 64px;
  --news-text-soft: #C2D5E1;
  --tag-columns: var(--neon-cyan);
  --tag-version: var(--amber);
  --tag-event: var(--coral);
  --tag-note: #A9B7FF;
  --tag-partner: var(--mist-400);
  padding-bottom: clamp(40px, 6vw, 80px);
}

/* ---------- 置顶专题 ---------- */
.page-news .news-hero {
  padding: clamp(16px, 3vw, 28px) 0 clamp(26px, 4vw, 44px);
}
.page-news .news-hero__wrap {
  position: relative;
  border: var(--line);
  border-top: 10px solid var(--coral);
  border-radius: var(--radius);
  background:
    radial-gradient(120% 90% at 92% -20%, rgba(255, 122, 84, .18), transparent 58%),
    radial-gradient(90% 70% at 0% 100%, rgba(56, 225, 210, .10), transparent 62%),
    linear-gradient(180deg, var(--ink-800), var(--ink-900));
  box-shadow: var(--shadow-hard);
  padding: clamp(20px, 3.2vw, 40px);
  overflow: hidden;
}
.page-news .news-hero__grid {
  display: grid;
  gap: clamp(22px, 3vw, 36px);
}
.page-news .news-hero__eyebrow {
  display: inline-block;
  margin: 0 0 16px;
  padding: 5px 12px;
  border-radius: 999px;
  background: var(--coral);
  color: var(--ink-900);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .12em;
  font-weight: 700;
}
.page-news .news-hero__title {
  margin: 0 0 16px;
  font-size: clamp(28px, 4.4vw, 52px);
  line-height: 1.12;
  letter-spacing: -.02em;
  font-weight: 900;
  color: var(--light-100);
}
.page-news .news-hero__lede {
  margin: 0 0 22px;
  max-width: 34em;
  font-size: 16px;
  line-height: 1.85;
  color: var(--news-text-soft);
}
.page-news .news-hero__stats {
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
  margin-bottom: 24px;
  border-top: 1px solid var(--steel-600);
  padding-top: 16px;
}
.page-news .hero-stat {
  display: flex;
  align-items: baseline;
  gap: 10px;
}
.page-news .hero-stat__value {
  font-family: var(--font-mono);
  font-size: 24px;
  font-weight: 700;
  color: var(--neon-cyan);
  letter-spacing: .02em;
}
.page-news .hero-stat__label {
  font-size: 13.5px;
  color: var(--mist-400);
}
.page-news .news-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}
.page-news .news-hero__media {
  margin: 0;
  border: var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--ink-700);
  box-shadow: var(--shadow-hard);
}
.page-news .news-hero__media img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
}

/* ---------- 分类筛选带 ---------- */
.page-news .news-filter {
  position: sticky;
  top: var(--news-sticky-top);
  z-index: 30;
  margin: clamp(14px, 2.4vw, 22px) 0 0;
  background: rgba(5, 11, 24, .95);
  border-top: 1px solid var(--steel-600);
  border-bottom: 1px solid var(--steel-600);
  backdrop-filter: blur(10px);
}
.page-news .news-filter__track {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 0;
  overflow-x: auto;
  scrollbar-width: thin;
}
.page-news .filter-pill {
  flex: 0 0 auto;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 14px;
  border: var(--line);
  border-radius: 999px;
  background: var(--ink-700);
  color: var(--light-100);
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .04em;
  text-decoration: none;
  transition: background .18s var(--ease-hall), color .18s var(--ease-hall), border-color .18s var(--ease-hall);
}
.page-news .filter-pill__count {
  color: var(--amber);
  font-weight: 700;
}
.page-news .filter-pill:hover,
.page-news .filter-pill:focus-visible {
  background: var(--neon-cyan);
  border-color: var(--neon-cyan);
  color: var(--ink-900);
}
.page-news .filter-pill:hover .filter-pill__count,
.page-news .filter-pill:focus-visible .filter-pill__count {
  color: var(--ink-900);
}
.page-news .filter-pill:focus-visible {
  outline: 2px solid var(--neon-cyan);
  outline-offset: 2px;
}
.page-news .filter-pill--archive {
  border-style: dashed;
  color: var(--mist-400);
}

/* ---------- 分组与条目 ---------- */
.page-news .news-group {
  --group-accent: var(--neon-cyan);
  padding: clamp(32px, 4.6vw, 58px) 0;
  border-bottom: 1px solid var(--steel-600);
  scroll-margin-top: calc(var(--news-sticky-top) + 84px);
}
.page-news .news-group--version { --group-accent: var(--amber); }
.page-news .news-group--event { --group-accent: var(--coral); }
.page-news .news-group--note { --group-accent: var(--tag-note); }
.page-news .news-group--partner { --group-accent: var(--mist-400); }

.page-news .news-group__head {
  display: flex;
  align-items: baseline;
  flex-wrap: wrap;
  gap: 10px 14px;
  padding-left: 14px;
  border-left: 4px solid var(--group-accent);
  margin-bottom: clamp(18px, 2.4vw, 26px);
}
.page-news .news-group__num {
  font-size: 13px;
  letter-spacing: .1em;
  color: var(--group-accent);
}
.page-news .news-group__title {
  margin: 0;
  font-size: clamp(21px, 2.6vw, 32px);
  line-height: 1.25;
  font-weight: 900;
  color: var(--light-100);
}
.page-news .news-group__count {
  margin-left: auto;
  font-size: 12.5px;
  letter-spacing: .08em;
  color: var(--mist-400);
}
.page-news .news-group__body {
  display: grid;
  gap: clamp(18px, 2.6vw, 28px);
}

.page-news .news-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 14px;
}
.page-news .news-item {
  position: relative;
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 4px 14px;
  padding: 16px 16px 18px 18px;
  background: var(--ink-800);
  border: 1px solid var(--steel-600);
  border-radius: var(--radius);
  transition: transform .18s var(--ease-hall), background .18s var(--ease-hall);
}
.page-news .news-item::before {
  content: "";
  position: absolute;
  left: 0;
  top: 10px;
  bottom: 10px;
  width: 3px;
  background: var(--neon-cyan);
  opacity: 0;
  transition: opacity .18s var(--ease-hall);
}
.page-news .news-item:hover {
  transform: translateX(4px);
  background: var(--ink-700);
}
.page-news .news-item:hover::before { opacity: 1; }

.page-news .news-item__num {
  font-size: 13px;
  color: var(--mist-400);
  padding-top: 3px;
  letter-spacing: .08em;
}
.page-news .news-item__main { min-width: 0; }
.page-news .news-item__meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 10px;
  margin-bottom: 8px;
}
.page-news .news-item__time {
  font-size: 12.5px;
  letter-spacing: .06em;
  color: var(--amber);
}
.page-news .news-item__title {
  margin: 0 0 8px;
  font-size: clamp(16.5px, 1.9vw, 19.5px);
  line-height: 1.45;
  font-weight: 700;
  color: var(--light-100);
}
.page-news .news-item__text {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--news-text-soft);
}

.page-news .tag {
  display: inline-block;
  padding: 2px 9px;
  border: 1px solid currentColor;
  border-radius: 999px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: .06em;
  line-height: 1.6;
}
.page-news .tag--columns { color: var(--tag-columns); background: rgba(56, 225, 210, .08); }
.page-news .tag--version { color: var(--tag-version); background: rgba(242, 178, 76, .08); }
.page-news .tag--event { color: var(--tag-event); background: rgba(255, 122, 84, .08); }
.page-news .tag--note { color: var(--tag-note); background: rgba(169, 183, 255, .08); }
.page-news .tag--partner { color: var(--tag-partner); background: rgba(127, 160, 184, .10); }

/* ---------- 配图 ---------- */
.page-news .news-figure {
  margin: 0;
  align-self: start;
  border: var(--line);
  border-radius: var(--radius);
  background: var(--ink-700);
  box-shadow: var(--shadow-hard);
  overflow: hidden;
}
.page-news .news-figure img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
}
.page-news .news-figure__cap {
  display: block;
  padding: 10px 14px;
  border-top: 1px solid var(--steel-600);
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--mist-400);
}

/* ---------- 归档 ---------- */
.page-news .news-section {
  padding: clamp(32px, 4.6vw, 58px) 0;
  border-bottom: 1px solid var(--steel-600);
}
.page-news .news-section--last { border-bottom: 0; }
.page-news .news-section__head {
  margin-bottom: clamp(18px, 2.6vw, 28px);
  max-width: 40em;
}
.page-news .news-section__num {
  display: block;
  font-size: 13px;
  letter-spacing: .1em;
  color: var(--neon-cyan);
  margin-bottom: 8px;
}
.page-news .news-section__title {
  margin: 0 0 10px;
  font-size: clamp(21px, 2.6vw, 32px);
  line-height: 1.25;
  font-weight: 900;
  color: var(--light-100);
}
.page-news .news-section__lede {
  margin: 0;
  font-size: 15.5px;
  line-height: 1.8;
  color: var(--mist-400);
}
.page-news .archive-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
}
.page-news .archive-card {
  border: var(--line);
  border-radius: var(--radius);
  background: var(--ink-700);
  box-shadow: var(--shadow-hard);
  overflow: hidden;
}
.page-news .archive-card__summary {
  display: flex;
  align-items: baseline;
  flex-wrap: wrap;
  gap: 6px 10px;
  padding: 14px 16px;
  cursor: pointer;
  list-style: none;
}
.page-news .archive-card__summary::-webkit-details-marker { display: none; }
.page-news .archive-card__summary::after {
  content: "+";
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 16px;
  color: var(--neon-cyan);
}
.page-news .archive-card[open] .archive-card__summary::after { content: "–"; }
.page-news .archive-card[open] .archive-card__summary {
  border-bottom: 1px solid var(--steel-600);
  background: var(--ink-800);
}
.page-news .archive-card__q {
  font-size: 15px;
  font-weight: 700;
  letter-spacing: .08em;
  color: var(--amber);
}
.page-news .archive-card__label {
  font-size: 14px;
  color: var(--light-100);
}
.page-news .archive-card__n {
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--mist-400);
}
.page-news .archive-card__list {
  list-style: none;
  margin: 0;
  padding: 12px 16px 16px;
  display: grid;
  gap: 10px;
}
.page-news .archive-card__item {
  font-size: 14px;
  line-height: 1.7;
  color: var(--news-text-soft);
}
.page-news .archive-card__tag {
  display: inline-block;
  margin-right: 8px;
  padding: 1px 7px;
  border: 1px solid var(--steel-600);
  border-radius: var(--radius);
  font-size: 11px;
  letter-spacing: .06em;
  color: var(--neon-cyan);
}

/* ---------- 订阅 ---------- */
.page-news .subscribe {
  padding: clamp(32px, 4.6vw, 58px) 0 0;
}
.page-news .subscribe__panel {
  display: grid;
  gap: clamp(22px, 3vw, 36px);
  padding: clamp(22px, 3.2vw, 42px);
  border: var(--line);
  border-top: 6px solid var(--neon-cyan);
  border-radius: var(--radius);
  background:
    radial-gradient(100% 120% at 100% 0%, rgba(56, 225, 210, .12), transparent 60%),
    var(--ink-800);
  box-shadow: var(--shadow-hard);
}
.page-news .subscribe__title {
  margin: 0 0 12px;
  font-size: clamp(21px, 2.6vw, 30px);
  line-height: 1.28;
  font-weight: 900;
  color: var(--light-100);
}
.page-news .subscribe__lede {
  margin: 0 0 18px;
  font-size: 15.5px;
  line-height: 1.8;
  color: var(--news-text-soft);
  max-width: 34em;
}
.page-news .subscribe__mail {
  margin: 0 0 12px;
  padding: 12px 14px;
  border: var(--line);
  border-radius: var(--radius);
  background: var(--ink-900);
  color: var(--neon-cyan);
  font-size: clamp(14px, 1.8vw, 18px);
  letter-spacing: .02em;
  word-break: break-all;
}
.page-news .subscribe__note {
  margin: 0;
  font-size: 13px;
  line-height: 1.75;
  color: var(--mist-400);
}
.page-news .subscribe__side {
  display: grid;
  gap: 18px;
  align-content: start;
}
.page-news .steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 12px;
}
.page-news .step {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 12px;
  align-items: start;
  padding: 12px 14px;
  border-left: 3px solid var(--coral);
  background: var(--ink-700);
  border-radius: 0 var(--radius) var(--radius) 0;
}
.page-news .step__num {
  font-size: 13px;
  font-weight: 700;
  letter-spacing: .08em;
  color: var(--coral);
}
.page-news .step__text {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.7;
  color: var(--news-text-soft);
}
.page-news .subscribe__side .btn { justify-self: start; }

/* ---------- 延伸入口 ---------- */
.page-news .next-links {
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
}
.page-news .next-link {
  display: grid;
  gap: 6px;
  padding: 16px 18px;
  border: var(--line);
  border-radius: var(--radius);
  background: var(--ink-800);
  text-decoration: none;
  transition: border-color .18s var(--ease-hall), background .18s var(--ease-hall), transform .18s var(--ease-hall);
}
.page-news .next-link:hover,
.page-news .next-link:focus-visible {
  border-color: var(--neon-cyan);
  background: var(--ink-700);
  transform: translateY(-2px);
}
.page-news .next-link__idx {
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--amber);
}
.page-news .next-link__title {
  font-size: 17px;
  font-weight: 700;
  color: var(--light-100);
}
.page-news .next-link__desc {
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--mist-400);
}

/* ---------- 响应式 ---------- */
@media (min-width: 620px) {
  .page-news .news-hero__stats {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 16px;
  }
  .page-news .hero-stat {
    flex-direction: column;
    align-items: flex-start;
    gap: 4px;
  }
  .page-news .next-links {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .page-news .archive-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 900px) {
  .page-news .news-hero__grid {
    grid-template-columns: 5fr 7fr;
    align-items: stretch;
  }
  .page-news .news-group__body {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    align-items: start;
  }
  .page-news .news-group__body--reverse {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
  }
  .page-news .news-group__body--reverse .news-figure { order: -1; }
  .page-news .subscribe__panel {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    align-items: start;
  }
  .page-news .archive-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (min-width: 1100px) {
  .page-news .news-item {
    padding: 18px 20px 20px 22px;
  }
  .page-news .next-links {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-news .news-item,
  .page-news .next-link,
  .page-news .filter-pill {
    transition: none;
  }
  .page-news .news-item:hover,
  .page-news .next-link:hover {
    transform: none;
  }
}