.page-news {
  --news-grid-line: rgba(127, 231, 223, .10);
  --news-pad-x: 20px;
}

/* ---------- 面包屑 ---------- */
.page-news .news-crumb {
  margin-bottom: 30px;
}

.page-news .news-crumb ol {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--text-dim);
}

.page-news .news-crumb li + li::before {
  content: "/";
  margin-right: 8px;
  color: var(--line-strong);
}

.page-news .news-crumb a {
  color: var(--c-cyan-soft);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color .18s var(--ease), color .18s var(--ease);
}

.page-news .news-crumb a:hover,
.page-news .news-crumb a:focus-visible {
  color: var(--c-cyan);
  border-bottom-color: var(--c-cyan);
}

.page-news .news-crumb [aria-current="page"] {
  color: var(--c-orange);
}

/* ---------- 首屏 ---------- */
.page-news .news-hero {
  position: relative;
  padding: 34px 0 40px;
  background:
    radial-gradient(120% 140% at 88% -10%, rgba(34, 211, 197, .16), transparent 62%),
    var(--c-deep);
  border-bottom: 2px solid var(--c-ink);
  overflow: hidden;
}

.page-news .news-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(var(--news-grid-line) 1px, transparent 1px),
    linear-gradient(90deg, var(--news-grid-line) 1px, transparent 1px);
  background-size: 52px 52px;
  pointer-events: none;
}

.page-news .news-hero > .wrap {
  position: relative;
  z-index: 1;
  padding-left: var(--news-pad-x);
  padding-right: var(--news-pad-x);
}

.page-news .news-hero-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
}

.page-news .news-hero h1 {
  margin: 10px 0 0;
  font-size: clamp(28px, 7.4vw, var(--step-1));
  font-weight: 900;
  line-height: 1.12;
  letter-spacing: -.02em;
  color: var(--text-strong);
}

.page-news .news-hero-lede p {
  margin: 0 0 12px;
  font-size: 16px;
  line-height: 1.75;
  color: var(--text);
}

.page-news .news-hero-lede p:last-child {
  margin-bottom: 0;
}

.page-news .news-hero-media {
  margin: 28px 0 0;
  border: 2px solid var(--c-ink);
  box-shadow: var(--shadow-hard);
  background: var(--c-steel);
  overflow: hidden;
}

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

/* ---------- 公告列表 ---------- */
.page-news .news-log {
  background: var(--c-deep);
}

.page-news .news-log-head {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
  margin-bottom: 28px;
}

.page-news .news-list {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 2px solid var(--line-strong);
}

.page-news .news-item {
  position: relative;
  display: grid;
  grid-template-columns: 30px minmax(0, 1fr) 20px;
  gap: 0 12px;
  align-items: start;
  padding: 18px 12px 18px 10px;
  border-bottom: 1px solid var(--line);
  border-left: 2px solid transparent;
  transition:
    border-color .18s var(--ease),
    background-color .18s var(--ease),
    transform .18s var(--ease);
}

.page-news .news-item:hover,
.page-news .news-item:focus-within {
  border-left-color: var(--c-cyan);
  background: rgba(34, 211, 197, .07);
  transform: translateX(2px);
}

.page-news .news-num {
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 500;
  letter-spacing: .06em;
  color: var(--c-cyan);
  padding-top: 3px;
}

.page-news .news-body {
  min-width: 0;
}

.page-news .news-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin: 0;
}

.page-news .news-cat {
  display: inline-block;
  padding: 2px 8px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .06em;
  color: var(--c-cyan-soft);
  border: 1px solid var(--line-strong);
  background: rgba(127, 231, 223, .08);
  white-space: nowrap;
}

.page-news .news-ver {
  display: inline-block;
  padding: 2px 8px;
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: .04em;
  color: var(--c-orange);
  border: 1px solid rgba(255, 138, 61, .55);
  background: rgba(255, 138, 61, .10);
  white-space: nowrap;
}

.page-news .news-when {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .08em;
  color: var(--text-dim);
  white-space: nowrap;
}

.page-news .news-title {
  margin: 10px 0 6px;
  font-size: 16px;
  font-weight: 700;
  line-height: 1.55;
  color: var(--text-strong);
}

.page-news .news-title a {
  color: inherit;
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color .18s var(--ease), border-color .18s var(--ease);
}

.page-news .news-item:hover .news-title a,
.page-news .news-title a:focus-visible {
  color: var(--c-cyan);
  border-bottom-color: var(--c-cyan);
}

.page-news .news-text {
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--text-dim);
}

.page-news .news-arrow {
  align-self: center;
  justify-self: end;
  font-family: var(--font-mono);
  font-size: 15px;
  color: var(--c-orange);
  opacity: 0;
  transform: translateX(-6px);
  transition: opacity .18s var(--ease), transform .18s var(--ease);
}

.page-news .news-item:hover .news-arrow,
.page-news .news-item:focus-within .news-arrow {
  opacity: 1;
  transform: translateX(0);
}

/* ---------- 分类标签墙 ---------- */
.page-news .news-cats {
  border-top: 2px solid var(--c-ink);
  border-bottom: 2px solid var(--c-ink);
}

.page-news .news-cats-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 30px;
}

.page-news .news-cat-wall {
  list-style: none;
  margin: 26px 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
}

.page-news .news-cat-card {
  padding: 16px 16px 18px;
  border: 2px solid var(--line-strong);
  background: rgba(11, 31, 58, .55);
  transition:
    border-color .18s var(--ease),
    background-color .18s var(--ease),
    transform .18s var(--ease),
    box-shadow .18s var(--ease);
}

.page-news .news-cat-card:hover {
  border-color: var(--c-cyan);
  background: rgba(34, 211, 197, .10);
  transform: translateY(-2px);
  box-shadow: var(--shadow-hard-sm);
}

.page-news .news-cat-name {
  margin: 12px 0 8px;
  font-size: 15px;
  font-weight: 700;
  line-height: 1.5;
  color: var(--text-strong);
}

.page-news .news-cat-card p {
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--text);
}

.page-news .news-cats-action {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin: 24px 0 0;
}

.page-news .news-cats-media {
  margin: 0;
  border: 2px solid var(--c-ink);
  box-shadow: var(--shadow-hard);
  background: var(--c-deep);
  overflow: hidden;
}

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

/* ---------- 版本演进时间线 ---------- */
.page-news .news-timeline {
  background: var(--c-deep);
}

.page-news .news-tl-head {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
  margin-bottom: 26px;
}

.page-news .news-tl-media {
  margin: 0 0 26px;
  border: 2px solid var(--c-ink);
  background: var(--c-steel);
  overflow: hidden;
}

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

.page-news .news-tl-scroller {
  overflow-x: auto;
  overflow-y: hidden;
  padding-bottom: 14px;
  scroll-snap-type: x proximity;
  -webkit-overflow-scrolling: touch;
}

.page-news .news-tl-scroller:focus-visible {
  outline: 2px solid var(--c-orange);
  outline-offset: 4px;
}

.page-news .news-tl-track {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  align-items: stretch;
  min-width: min-content;
}

.page-news .news-tl-node {
  position: relative;
  flex: 0 0 250px;
  scroll-snap-align: start;
  padding: 34px 20px 20px;
  border-top: 2px solid var(--line-strong);
  border-left: 2px solid var(--line-strong);
}

.page-news .news-tl-node:last-child {
  border-right: 2px solid var(--line-strong);
}

.page-news .news-tl-node::before {
  content: "";
  position: absolute;
  top: -7px;
  left: -7px;
  width: 12px;
  height: 12px;
  background: var(--c-deep);
  border: 2px solid var(--c-cyan);
  transform: rotate(45deg);
}

.page-news .news-tl-node:last-child::before {
  border-color: var(--c-orange);
  background: var(--c-orange);
}

.page-news .news-tl-ver {
  display: block;
  font-family: var(--font-mono);
  font-size: 20px;
  font-weight: 500;
  letter-spacing: .02em;
  color: var(--c-cyan);
}

.page-news .news-tl-node:last-child .news-tl-ver {
  color: var(--c-orange);
}

.page-news .news-tl-name {
  margin: 10px 0 8px;
  font-size: 15px;
  font-weight: 700;
  line-height: 1.5;
  color: var(--text-strong);
}

.page-news .news-tl-node p {
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--text-dim);
}

/* ---------- 底部查阅提示带 ---------- */
.page-news .news-path {
  background: var(--c-steel);
  border-top: 2px solid var(--c-ink);
  border-bottom: 2px solid var(--c-ink);
  padding-top: 38px;
  padding-bottom: 38px;
}

.page-news .news-path-inner {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
  align-items: center;
}

.page-news .news-path-copy p {
  margin: 0 0 12px;
  font-size: 15px;
  line-height: 1.75;
  color: var(--text);
}

.page-news .news-path-copy .section-title {
  margin: 8px 0 14px;
}

.page-news .news-path-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin: 20px 0 0;
}

.page-news .news-path-media {
  margin: 0;
  border: 2px solid var(--c-ink);
  box-shadow: var(--shadow-hard);
  background: var(--c-deep);
  overflow: hidden;
}

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

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .page-news .news-cat-wall {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-news .news-tl-node {
    flex: 0 0 280px;
  }
}

@media (min-width: 900px) {
  .page-news {
    --news-pad-x: 0px;
  }

  .page-news .news-hero {
    padding: 42px 0 50px;
  }

  .page-news .news-hero-grid {
    grid-template-columns: minmax(0, 1.02fr) minmax(0, 1fr);
    align-items: end;
    gap: 48px;
  }

  .page-news .news-hero h1 {
    font-size: clamp(34px, 3.6vw, var(--step-1));
  }

  .page-news .news-hero-lede p {
    font-size: 17px;
  }

  .page-news .news-hero-media {
    margin-top: 34px;
  }

  .page-news .news-log-head,
  .page-news .news-tl-head {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    align-items: end;
    gap: 44px;
  }

  .page-news .news-item {
    grid-template-columns: 40px minmax(0, 1fr) 26px;
    gap: 0 18px;
    padding: 22px 16px 22px 12px;
  }

  .page-news .news-title {
    font-size: 17px;
  }

  .page-news .news-text {
    max-width: 74ch;
  }

  .page-news .news-cats-grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 4fr);
    align-items: start;
    gap: 46px;
  }

  .page-news .news-path-inner {
    grid-template-columns: minmax(0, 6fr) minmax(0, 5fr);
    gap: 44px;
  }
}

@media (min-width: 1080px) {
  .page-news .news-tl-node {
    flex: 0 0 300px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-news .news-item,
  .page-news .news-cat-card,
  .page-news .news-arrow,
  .page-news .news-title a {
    transition: none;
  }

  .page-news .news-item:hover,
  .page-news .news-item:focus-within,
  .page-news .news-cat-card:hover {
    transform: none;
  }
}