.page-news {
  --news-cut-sm: polygon(0 0, calc(100% - 10px) 0, 100% 10px, 100% 100%, 10px 100%, 0 calc(100% - 10px));
  --news-cut-md: polygon(0 0, calc(100% - 20px) 0, 100% 20px, 100% 100%, 20px 100%, 0 calc(100% - 20px));
  background: var(--ink);
  color: var(--paper);
}

/* ---------- 页头 ---------- */
.page-news .news-masthead {
  position: relative;
  padding: clamp(28px, 4.5vw, 56px) 0 clamp(36px, 5.5vw, 72px);
  border-bottom: 1px solid var(--line);
  overflow: hidden;
}

.page-news .news-masthead::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(to right, rgba(124, 151, 171, 0.10) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(124, 151, 171, 0.10) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: linear-gradient(160deg, rgba(0, 0, 0, 0.9), transparent 72%);
  -webkit-mask-image: linear-gradient(160deg, rgba(0, 0, 0, 0.9), transparent 72%);
  pointer-events: none;
}

.page-news .news-masthead > .container {
  position: relative;
}

.page-news .masthead-meta {
  margin: 18px 0 20px;
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--teal);
}

.page-news .masthead-grid {
  display: grid;
  gap: clamp(18px, 2.6vw, 32px);
  grid-template-columns: 1fr;
}

.page-news .masthead-grid h1 {
  margin: 0;
  font-size: clamp(40px, 8vw, 96px);
  font-weight: 900;
  line-height: 0.94;
  letter-spacing: -0.02em;
  color: var(--paper);
}

.page-news .masthead-lead {
  margin: 0;
  font-size: clamp(15px, 1.6vw, 17px);
  line-height: 1.8;
  color: var(--slate);
  max-width: 34em;
}

@media (min-width: 900px) {
  .page-news .masthead-grid {
    grid-template-columns: minmax(0, 1.25fr) minmax(0, 1fr);
    align-items: end;
  }
}

/* ---------- 置顶头条 ---------- */
.page-news .news-lead {
  background: var(--paper);
  color: var(--black);
  padding: clamp(34px, 5vw, 72px) 0 clamp(56px, 7vw, 100px);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 26px), 0 100%);
}

.page-news .lead-head {
  margin-bottom: clamp(20px, 3vw, 34px);
}

.page-news .lead-head .eyebrow {
  color: var(--navy);
}

.page-news .lead-head h2 {
  margin: 12px 0 0;
  font-size: clamp(26px, 4.2vw, 50px);
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -0.02em;
  color: var(--black);
  max-width: 20em;
}

.page-news .lead-figure {
  margin: 0 0 clamp(24px, 3.4vw, 40px);
  background: var(--navy);
}

.page-news .lead-figure img,
.page-news .stream-tail img,
.page-news .topics-figure img,
.page-news .archive-figure img {
  display: block;
  width: 100%;
  height: 100%;
  max-width: 100%;
  object-fit: cover;
}

.page-news .lead-grid {
  display: grid;
  gap: clamp(18px, 2.4vw, 30px);
  grid-template-columns: 1fr;
}

.page-news .lead-col {
  border-top: 1px solid var(--line-paper);
  padding-top: 16px;
}

.page-news .lead-col h3 {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.1em;
  color: var(--navy);
}

.page-news .lead-col p {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: rgba(16, 24, 32, 0.78);
}

@media (min-width: 760px) {
  .page-news .lead-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

.page-news .lead-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 14px 24px;
  margin-top: clamp(22px, 3vw, 34px);
}

.page-news .lead-link {
  font-size: 15px;
  color: var(--navy);
  text-decoration: underline;
  text-underline-offset: 4px;
  text-decoration-thickness: 1px;
  transition: color 200ms var(--ease);
}

.page-news .lead-link:hover,
.page-news .lead-link:focus-visible {
  color: #0a6b5b;
}

/* ---------- 主体：索引栏 + 列表 ---------- */
.page-news .news-body {
  display: grid;
  gap: clamp(28px, 3.4vw, 52px);
  grid-template-columns: 1fr;
  padding-top: clamp(40px, 6vw, 84px);
  padding-bottom: clamp(40px, 6vw, 84px);
}

@media (min-width: 980px) {
  .page-news .news-body {
    grid-template-columns: 196px minmax(0, 1fr);
    align-items: start;
  }
}

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

.page-news .rail-sticky {
  padding-bottom: 8px;
}

@media (min-width: 980px) {
  .page-news .rail-sticky {
    position: sticky;
    top: calc(var(--hdr-h) + 20px);
  }
}

.page-news .rail-title {
  margin: 0 0 10px;
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--slate);
  text-transform: uppercase;
}

.page-news .rail-cats {
  margin: 22px 0 0;
  padding: 0;
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 8px 14px;
}

.page-news .rail-cats a {
  font-size: 13px;
  color: var(--teal);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  padding-bottom: 2px;
  transition: border-color 200ms var(--ease), color 200ms var(--ease);
}

.page-news .rail-cats a:hover,
.page-news .rail-cats a:focus-visible {
  color: var(--lemon);
  border-bottom-color: var(--lemon);
}

.page-news .news-rail .index-rail {
  display: flex;
  flex-wrap: wrap;
  gap: 6px 16px;
  margin: 0;
}

@media (min-width: 980px) {
  .page-news .news-rail .index-rail {
    display: block;
  }
  .page-news .news-rail .index-rail li + li {
    margin-top: 4px;
  }
}

/* ---------- 列表 ---------- */
.page-news .news-stream {
  min-width: 0;
}

.page-news .stream-head h2 {
  margin: 0 0 12px;
  font-size: clamp(26px, 3.6vw, 42px);
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -0.02em;
  color: var(--paper);
}

.page-news .stream-head p {
  margin: 0 0 clamp(20px, 2.8vw, 32px);
  font-size: 15px;
  line-height: 1.8;
  color: var(--slate);
  max-width: 44em;
}

.page-news .stream-list {
  margin: 0;
  padding: 0;
  list-style: none;
  border-bottom: 1px solid var(--line-soft);
}

.page-news .stream-row {
  display: grid;
  grid-template-columns: 1fr;
  gap: 8px 22px;
  padding: 22px 0;
  border-top: 1px solid var(--line-soft);
  transition: background 240ms var(--ease);
}

.page-news .stream-row:hover {
  background: linear-gradient(90deg, rgba(31, 209, 178, 0.08), transparent 72%);
}

.page-news .row-mark {
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--slate);
  transition: color 200ms var(--ease);
}

.page-news .stream-row:hover .row-mark,
.page-news .stream-row:focus-within .row-mark {
  color: var(--lemon);
}

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

.page-news .row-tag {
  margin: 0 0 8px;
}

.page-news .row-title {
  margin: 0 0 8px;
  font-size: clamp(17px, 1.9vw, 21px);
  font-weight: 700;
  line-height: 1.4;
  letter-spacing: -0.01em;
  color: var(--paper);
  transition: color 200ms var(--ease);
}

.page-news .stream-row:hover .row-title {
  color: var(--teal-hi);
}

.page-news .row-text {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: rgba(244, 241, 233, 0.72);
  max-width: 46em;
}

@media (min-width: 720px) {
  .page-news .stream-row {
    grid-template-columns: 118px minmax(0, 1fr);
    padding: 26px 0;
  }
}

/* ---------- 分类标签 ---------- */
.page-news .chip {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  padding: 3px 10px;
  border: 1px solid currentColor;
  clip-path: var(--news-cut-sm);
  line-height: 1.5;
}

.page-news .chip--version {
  color: var(--teal);
}

.page-news .chip--batch {
  color: var(--lemon);
}

.page-news .chip--zone {
  color: var(--teal-hi);
}

.page-news .chip--device {
  color: var(--coral);
}

.page-news .chip--record {
  color: var(--slate);
}

/* ---------- 列表尾部通栏 ---------- */
.page-news .stream-tail {
  margin: clamp(28px, 4vw, 44px) 0 0;
  background: var(--navy);
}

/* ---------- 专题系列 ---------- */
.page-news .news-topics {
  background: var(--navy);
  padding: clamp(40px, 6vw, 88px) 0;
  border-top: 1px solid var(--line);
}

.page-news .topics-grid {
  display: grid;
  gap: clamp(26px, 3.6vw, 48px);
  grid-template-columns: 1fr;
}

@media (min-width: 980px) {
  .page-news .topics-grid {
    grid-template-columns: minmax(0, 0.82fr) minmax(0, 1.18fr);
    align-items: start;
  }
}

.page-news .topics-intro {
  min-width: 0;
}

.page-news .topics-intro h2 {
  margin: 12px 0 14px;
  font-size: clamp(26px, 3.8vw, 44px);
  font-weight: 800;
  line-height: 1.12;
  letter-spacing: -0.02em;
  color: var(--paper);
}

.page-news .topics-text {
  margin: 0 0 clamp(20px, 3vw, 30px);
  font-size: 15px;
  line-height: 1.8;
  color: var(--slate);
  max-width: 32em;
}

.page-news .topics-figure {
  margin: 0;
  background: var(--ink);
}

.page-news .topics-rail {
  display: grid;
  grid-auto-flow: column;
  grid-auto-columns: minmax(238px, 80%);
  gap: 14px;
  overflow-x: auto;
  overscroll-behavior-x: contain;
  scroll-snap-type: x mandatory;
  padding-bottom: 14px;
  min-width: 0;
}

.page-news .topics-rail::-webkit-scrollbar {
  height: 6px;
}

.page-news .topics-rail::-webkit-scrollbar-track {
  background: rgba(124, 151, 171, 0.18);
}

.page-news .topics-rail::-webkit-scrollbar-thumb {
  background: var(--teal);
}

@media (min-width: 700px) {
  .page-news .topics-rail {
    grid-auto-columns: minmax(250px, 52%);
  }
}

@media (min-width: 980px) {
  .page-news .topics-rail {
    grid-auto-columns: minmax(240px, 64%);
  }
}

.page-news .topic-card {
  scroll-snap-align: start;
  background: var(--ink);
  padding: 22px 20px 20px;
  clip-path: var(--news-cut-md);
  display: flex;
  flex-direction: column;
  gap: 8px;
  transition: background 240ms var(--ease);
}

.page-news .topic-card:hover {
  background: var(--navy-2);
}

.page-news .topic-card::before {
  content: "";
  display: block;
  width: 42px;
  height: 2px;
  background: var(--teal);
  margin-bottom: 6px;
}

.page-news .topic-no {
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--lemon);
}

.page-news .topic-card h3 {
  margin: 0;
  font-size: clamp(19px, 2vw, 23px);
  font-weight: 800;
  line-height: 1.25;
  letter-spacing: -0.01em;
  color: var(--paper);
}

.page-news .topic-count {
  margin: 0;
  font-size: 13px;
  color: var(--teal);
}

.page-news .topic-count .mono {
  font-size: 18px;
  color: var(--teal-hi);
}

.page-news .topic-desc {
  margin: 4px 0 0;
  font-size: 14px;
  line-height: 1.75;
  color: rgba(244, 241, 233, 0.74);
}

.page-news .topic-order {
  margin: auto 0 0;
  padding-top: 12px;
  border-top: 1px solid var(--line-soft);
  font-size: 13px;
  line-height: 1.7;
  color: var(--slate);
}

/* ---------- 批次回溯 ---------- */
.page-news .news-archive {
  background: var(--paper);
  color: var(--black);
  padding: clamp(40px, 6vw, 88px) 0;
}

.page-news .archive-grid {
  display: grid;
  gap: clamp(26px, 3.6vw, 48px);
  grid-template-columns: 1fr;
}

@media (min-width: 900px) {
  .page-news .archive-grid {
    grid-template-columns: minmax(0, 1.08fr) minmax(0, 0.92fr);
    align-items: center;
  }
}

.page-news .archive-text {
  min-width: 0;
}

.page-news .archive-text .eyebrow {
  color: var(--navy);
}

.page-news .archive-text h2 {
  margin: 12px 0 14px;
  font-size: clamp(26px, 3.8vw, 44px);
  font-weight: 800;
  line-height: 1.12;
  letter-spacing: -0.02em;
  color: var(--black);
}

.page-news .archive-lead {
  margin: 0 0 clamp(18px, 2.6vw, 28px);
  font-size: 15px;
  line-height: 1.8;
  color: rgba(16, 24, 32, 0.78);
  max-width: 32em;
}

.page-news .batch-list {
  margin: 0;
  padding: 0;
  list-style: none;
  border-bottom: 1px solid var(--line-paper);
}

.page-news .batch-row {
  display: grid;
  grid-template-columns: 1fr;
  gap: 4px;
  padding: 14px 0;
  border-top: 1px solid var(--line-paper);
}

@media (min-width: 620px) {
  .page-news .batch-row {
    grid-template-columns: 150px minmax(0, 1fr);
    gap: 8px 18px;
  }
}

.page-news .batch-key {
  font-size: 12px;
  letter-spacing: 0.05em;
  color: var(--navy);
}

.page-news .batch-val {
  font-size: 14px;
  line-height: 1.7;
  color: rgba(16, 24, 32, 0.78);
}

.page-news .archive-link {
  display: inline-block;
  margin-top: clamp(18px, 2.6vw, 26px);
  font-size: 15px;
  color: var(--navy);
  text-decoration: underline;
  text-underline-offset: 4px;
  text-decoration-thickness: 1px;
  transition: color 200ms var(--ease);
}

.page-news .archive-link:hover,
.page-news .archive-link:focus-visible {
  color: #0a6b5b;
}

.page-news .archive-figure {
  margin: 0;
}

/* ---------- 持续跟进 ---------- */
.page-news .news-follow {
  padding: clamp(40px, 6vw, 88px) 0;
  border-top: 1px solid var(--line);
}

.page-news .follow-grid {
  display: grid;
  gap: clamp(22px, 3vw, 40px);
  grid-template-columns: 1fr;
}

@media (min-width: 880px) {
  .page-news .follow-grid {
    grid-template-columns: minmax(0, 1.2fr) minmax(0, 0.8fr);
    align-items: center;
  }
}

.page-news .follow-text h2 {
  margin: 12px 0 14px;
  font-size: clamp(26px, 3.8vw, 44px);
  font-weight: 800;
  line-height: 1.12;
  letter-spacing: -0.02em;
  color: var(--paper);
}

.page-news .follow-text p {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--slate);
  max-width: 38em;
}

.page-news .follow-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 14px 22px;
}

.page-news .follow-link {
  font-size: 15px;
  color: var(--teal);
  text-decoration: underline;
  text-underline-offset: 4px;
  text-decoration-thickness: 1px;
  transition: color 200ms var(--ease);
}

.page-news .follow-link:hover,
.page-news .follow-link:focus-visible {
  color: var(--lemon);
}

/* ---------- 通用细节 ---------- */
.page-news .mono {
  font-family: var(--font-mono);
  letter-spacing: 0.04em;
}

.page-news .eyebrow {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--teal);
}

.page-news .breadcrumbs {
  margin-bottom: 6px;
}

.page-news :focus-visible {
  outline: 2px solid var(--lemon);
  outline-offset: 3px;
}

@media (prefers-reduced-motion: reduce) {
  .page-news .stream-row,
  .page-news .row-mark,
  .page-news .row-title,
  .page-news .topic-card,
  .page-news .lead-link,
  .page-news .archive-link,
  .page-news .follow-link,
  .page-news .rail-cats a {
    transition-duration: 1ms;
  }
}
<<<END>>>
```