.page-news {
  position: relative;
}

/* ---------- 首屏 ---------- */

.page-news .news-hero {
  position: relative;
  padding: 26px 0 14px;
  isolation: isolate;
}

.page-news .news-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background-image:
    linear-gradient(rgba(24, 224, 208, 0.055) 1px, transparent 1px),
    linear-gradient(90deg, rgba(24, 224, 208, 0.055) 1px, transparent 1px);
  background-size: 68px 68px;
  -webkit-mask-image: radial-gradient(120% 72% at 72% 0%, #000 0%, transparent 74%);
  mask-image: radial-gradient(120% 72% at 72% 0%, #000 0%, transparent 74%);
  pointer-events: none;
}

.page-news .news-hero-grid {
  display: grid;
  gap: 26px;
  margin-top: 22px;
}

.page-news .news-hero-copy h1 {
  margin: 14px 0 0;
  font-size: clamp(34px, 7.4vw, 60px);
  line-height: 1.08;
  letter-spacing: -0.02em;
  font-weight: 800;
  color: var(--fog);
  text-shadow: 0 0 26px rgba(24, 224, 208, 0.24);
}

.page-news .news-lede {
  margin: 18px 0 0;
  max-width: 62ch;
  font-size: 1.02rem;
  line-height: 1.95;
  color: var(--steel);
}

.page-news .news-hero-stats {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 20px;
  margin-top: 24px;
  font-size: 0.82rem;
  color: var(--steel);
  letter-spacing: 0.02em;
}

.page-news .hero-stat {
  display: inline-flex;
  align-items: baseline;
  gap: 5px;
  padding: 6px 12px;
  border: 1px solid var(--line-soft);
  border-radius: 999px;
  background: rgba(11, 31, 56, 0.6);
}

.page-news .hero-stat b {
  font-size: 0.94rem;
  font-weight: 700;
  color: var(--fog);
}

.page-news .news-hero-visual {
  border-radius: var(--r-l);
}

.page-news .news-hero-visual .img-frame {
  box-shadow: 0 34px 70px -46px rgba(24, 224, 208, 0.9);
}

/* ---------- 版本轨道 ---------- */

.page-news .version-rail {
  list-style: none;
  display: flex;
  gap: 14px;
  margin: 42px 0 0;
  padding: 24px 0 6px;
  border-top: 1px solid var(--line-soft);
  overflow-x: auto;
  scroll-snap-type: x proximity;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: thin;
}

.page-news .rail-node {
  position: relative;
  flex: 0 0 auto;
  min-width: 186px;
  padding: 16px 16px 18px;
  border: 1px solid var(--line-soft);
  border-radius: var(--r-m);
  background: linear-gradient(162deg, rgba(16, 42, 71, 0.92), rgba(7, 20, 38, 0.68));
  scroll-snap-align: start;
  transition: border-color 0.3s var(--ease), box-shadow 0.3s var(--ease);
}

.page-news .rail-node::before {
  content: "";
  position: absolute;
  top: -30px;
  left: 16px;
  width: 1px;
  height: 20px;
  background: var(--line);
}

.page-news .rail-node.is-active {
  border-color: var(--cyan);
  box-shadow: var(--shadow-neon);
}

.page-news .rail-idx {
  display: inline-block;
  padding: 2px 7px;
  border-radius: 4px;
  font-size: 0.7rem;
  letter-spacing: 0.08em;
  color: var(--ink);
  background: var(--cyan);
}

.page-news .rail-node.is-active .rail-idx {
  background: var(--amber);
}

.page-news .rail-time {
  display: block;
  margin-top: 12px;
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  color: var(--amber);
}

.page-news .rail-label {
  display: block;
  margin-top: 6px;
  font-size: 0.92rem;
  line-height: 1.65;
  color: var(--fog);
}

/* ---------- 主题索引 ---------- */

.page-news .news-topics .section-desc {
  max-width: 68ch;
}

.page-news .topic-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
  margin-top: 30px;
}

.page-news .topic-card {
  display: block;
  padding: 22px 20px 20px;
  border: 1px solid var(--line-soft);
  border-radius: var(--r-l);
  background: linear-gradient(168deg, rgba(16, 42, 71, 0.88), rgba(11, 31, 56, 0.5));
  text-decoration: none;
  color: inherit;
  transition: border-color 0.3s var(--ease), transform 0.3s var(--ease), box-shadow 0.3s var(--ease);
}

.page-news .topic-card:hover,
.page-news .topic-card:focus-visible {
  border-color: var(--cyan);
  transform: translateY(-4px);
  box-shadow: 0 26px 52px -36px rgba(24, 224, 208, 0.95);
  outline: none;
}

.page-news .topic-idx {
  display: block;
  font-size: 0.72rem;
  letter-spacing: 0.16em;
  color: var(--cyan);
}

.page-news .topic-title {
  margin: 12px 0 8px;
  font-size: 1.12rem;
  font-weight: 700;
  color: var(--fog);
  letter-spacing: -0.01em;
}

.page-news .topic-desc {
  margin: 0 0 16px;
  font-size: 0.92rem;
  line-height: 1.85;
  color: var(--steel);
}

.page-news .topic-count {
  display: inline-block;
  padding-top: 12px;
  border-top: 1px solid var(--line-soft);
  width: 100%;
  font-size: 0.74rem;
  letter-spacing: 0.08em;
  color: var(--amber);
}

/* ---------- 条目列表 ---------- */

.page-news .news-entries .filter-bar {
  margin-top: 26px;
}

.page-news .entry-stream {
  display: grid;
  gap: 12px;
  margin-top: 24px;
}

.page-news .entry-card[hidden] {
  display: none;
}

.page-news .entry-card {
  border: 1px solid var(--line-soft);
  border-radius: var(--r-m);
  background: rgba(11, 31, 56, 0.66);
  overflow: hidden;
  transition: border-color 0.3s var(--ease), background-color 0.3s var(--ease);
}

.page-news .entry-card:hover {
  border-color: var(--line);
  background: rgba(16, 42, 71, 0.7);
}

.page-news .entry-details > summary {
  list-style: none;
}

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

.page-news .entry-summary {
  display: grid;
  grid-template-columns: 1fr auto;
  grid-template-areas:
    "tag time"
    "heading heading";
  gap: 8px 12px;
  align-items: center;
  padding: 16px 18px;
  cursor: pointer;
}

.page-news .entry-tag {
  grid-area: tag;
  justify-self: start;
  padding: 3px 10px;
  border: 1px solid var(--line);
  border-radius: 999px;
  font-size: 0.7rem;
  letter-spacing: 0.08em;
  color: var(--cyan);
  background: rgba(24, 224, 208, 0.08);
  white-space: nowrap;
}

.page-news .entry-card[data-cat="rule"] .entry-tag {
  color: var(--violet);
  border-color: rgba(124, 77, 255, 0.46);
  background: rgba(124, 77, 255, 0.1);
}

.page-news .entry-card[data-cat="download"] .entry-tag {
  color: var(--amber);
  border-color: rgba(255, 178, 62, 0.44);
  background: rgba(255, 178, 62, 0.09);
}

.page-news .entry-card[data-cat="service"] .entry-tag {
  color: var(--fog);
  border-color: rgba(230, 244, 255, 0.28);
  background: rgba(230, 244, 255, 0.06);
}

.page-news .entry-heading {
  grid-area: heading;
  font-size: 1.02rem;
  font-weight: 600;
  line-height: 1.62;
  color: var(--fog);
}

.page-news .entry-time {
  grid-area: time;
  font-size: 0.74rem;
  letter-spacing: 0.08em;
  color: var(--steel);
  white-space: nowrap;
}

.page-news .entry-body {
  padding: 14px 18px 18px;
  border-top: 1px dashed rgba(24, 224, 208, 0.2);
}

.page-news .entry-body p {
  margin: 0;
  font-size: 0.95rem;
  line-height: 1.9;
  color: var(--steel);
}

.page-news .entry-card:has(.entry-details[open]) {
  border-color: var(--line);
}

/* ---------- 版本与适配 ---------- */

.page-news .version-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: 28px;
  align-items: start;
  margin-top: 30px;
}

.page-news .version-figure .img-frame {
  box-shadow: 0 30px 64px -48px rgba(24, 224, 208, 0.95);
}

.page-news .version-timeline {
  list-style: none;
  margin: 0;
  padding: 4px 0 0 26px;
  border-left: 1px solid var(--line);
  display: grid;
  gap: 26px;
}

.page-news .tl-item {
  position: relative;
}

.page-news .tl-item::before {
  content: "";
  position: absolute;
  left: -32px;
  top: 7px;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--cyan);
  box-shadow: 0 0 0 4px rgba(24, 224, 208, 0.14);
}

.page-news .tl-item:nth-child(3)::before {
  background: var(--violet);
  box-shadow: 0 0 0 4px rgba(124, 77, 255, 0.16);
}

.page-news .tl-item:nth-child(4)::before {
  background: var(--amber);
  box-shadow: 0 0 0 4px rgba(255, 178, 62, 0.16);
}

.page-news .tl-idx {
  font-size: 0.72rem;
  letter-spacing: 0.16em;
  color: var(--amber);
}

.page-news .tl-title {
  margin: 6px 0 8px;
  font-size: 1.06rem;
  font-weight: 700;
  color: var(--fog);
}

.page-news .tl-desc {
  margin: 0;
  font-size: 0.94rem;
  line-height: 1.88;
  color: var(--steel);
}

/* ---------- 规则与文档 ---------- */

.page-news .docs-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: 28px;
  align-items: start;
  margin-top: 30px;
}

.page-news .docs-figure .img-frame {
  box-shadow: 0 30px 64px -50px rgba(124, 77, 255, 0.9);
}

.page-news .docs-stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  margin-bottom: 20px;
}

.page-news .doc-stat {
  padding: 16px 16px 14px;
  border: 1px solid var(--line-soft);
  border-radius: var(--r-m);
  background: rgba(16, 42, 71, 0.62);
}

.page-news .doc-num {
  display: block;
  font-size: 1.86rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.1;
  color: var(--fog);
}

.page-news .doc-label {
  display: block;
  margin-top: 6px;
  font-size: 0.8rem;
  letter-spacing: 0.04em;
  color: var(--steel);
}

.page-news .docs-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 14px;
}

.page-news .docs-item {
  padding: 18px 18px 18px 20px;
  border-left: 2px solid var(--violet);
  border-radius: 0 var(--r-m) var(--r-m) 0;
  background: linear-gradient(120deg, rgba(16, 42, 71, 0.78), rgba(7, 20, 38, 0.36));
}

.page-news .docs-item-title {
  margin: 0 0 8px;
  font-size: 1rem;
  font-weight: 700;
  color: var(--fog);
}

.page-news .docs-item p {
  margin: 0;
  font-size: 0.93rem;
  line-height: 1.88;
  color: var(--steel);
}

/* ---------- 资源下载 ---------- */

.page-news .download-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: 28px;
  align-items: start;
  margin-top: 30px;
}

.page-news .dl-block {
  position: relative;
  margin-bottom: 14px;
  padding: 20px 20px 20px 22px;
  border: 1px solid var(--line-soft);
  border-left: 2px solid rgba(24, 224, 208, 0.5);
  border-radius: 0 var(--r-m) var(--r-m) 0;
  background: rgba(11, 31, 56, 0.64);
  transition: border-color 0.3s var(--ease);
}

.page-news .dl-block:hover {
  border-left-color: var(--cyan);
}

.page-news .dl-idx {
  display: inline-block;
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  color: var(--amber);
}

.page-news .dl-title {
  margin: 8px 0 8px;
  font-size: 1.06rem;
  font-weight: 700;
  color: var(--fog);
}

.page-news .dl-block p {
  margin: 0;
  font-size: 0.94rem;
  line-height: 1.88;
  color: var(--steel);
}

.page-news .download-cta {
  margin: 20px 0 0;
}

.page-news .download-figure .img-frame {
  box-shadow: 0 30px 64px -50px rgba(255, 178, 62, 0.85);
}

/* ---------- 服务与专题 ---------- */

.page-news .service-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
  margin-top: 30px;
}

.page-news .service-card {
  padding: 22px 20px;
  border: 1px solid var(--line-soft);
  border-radius: var(--r-l);
  background:
    radial-gradient(130% 110% at 100% 0%, rgba(124, 77, 255, 0.16), transparent 62%),
    rgba(11, 31, 56, 0.72);
  transition: border-color 0.3s var(--ease), transform 0.3s var(--ease);
}

.page-news .service-card:hover {
  border-color: var(--violet);
  transform: translateY(-4px);
}

.page-news .service-idx {
  display: block;
  font-size: 0.72rem;
  letter-spacing: 0.18em;
  color: var(--violet);
}

.page-news .service-title {
  margin: 12px 0 10px;
  font-size: 1.04rem;
  font-weight: 700;
  color: var(--fog);
  line-height: 1.5;
}

.page-news .service-card p {
  margin: 0;
  font-size: 0.92rem;
  line-height: 1.88;
  color: var(--steel);
}

/* ---------- 收尾 ---------- */

.page-news .next-strip {
  display: flex;
  flex-wrap: wrap;
  gap: 18px 30px;
  align-items: center;
  justify-content: space-between;
  padding: 26px 24px;
  border: 1px solid var(--line);
  border-radius: var(--r-l);
  background:
    linear-gradient(118deg, rgba(24, 224, 208, 0.11), transparent 56%),
    rgba(7, 20, 38, 0.85);
}

.page-news .next-text {
  flex: 1 1 320px;
  margin: 0;
  font-size: 0.97rem;
  line-height: 1.85;
  color: var(--fog);
}

.page-news .next-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

/* ---------- 响应式 ---------- */

@media (min-width: 640px) {
  .page-news .topic-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-news .news-hero-stats {
    font-size: 0.85rem;
  }
}

@media (min-width: 760px) {
  .page-news .entry-summary {
    grid-template-columns: auto 1fr auto;
    grid-template-areas: "tag heading time";
    padding: 18px 20px;
  }

  .page-news .entry-heading {
    font-size: 1.04rem;
  }

  .page-news .entry-body {
    padding: 16px 20px 20px;
  }
}

@media (min-width: 900px) {
  .page-news .news-hero {
    padding: 34px 0 18px;
  }

  .page-news .news-hero-grid {
    grid-template-columns: 7fr 5fr;
    gap: 44px;
    align-items: center;
    margin-top: 30px;
  }

  .page-news .news-lede {
    font-size: 1.08rem;
  }

  .page-news .version-rail {
    margin-top: 54px;
  }

  .page-news .version-layout {
    grid-template-columns: 5fr 7fr;
    gap: 48px;
  }

  .page-news .docs-layout {
    grid-template-columns: 5fr 7fr;
    gap: 48px;
  }

  .page-news .download-layout {
    grid-template-columns: 7fr 5fr;
    gap: 48px;
  }

  .page-news .service-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 16px;
  }

  .page-news .next-strip {
    padding: 32px 32px;
  }
}

@media (min-width: 1100px) {
  .page-news .topic-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-news .service-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-news .topic-card,
  .page-news .service-card,
  .page-news .entry-card,
  .page-news .rail-node {
    transition: opacity 0.2s linear;
  }

  .page-news .topic-card:hover,
  .page-news .topic-card:focus-visible,
  .page-news .service-card:hover {
    transform: none;
  }
}
<<<END>>>