.page-news {
  padding-block: clamp(18px, 3vw, 32px) clamp(52px, 7vw, 96px);
}

.page-news .page-head {
  margin-top: 18px;
  padding-bottom: clamp(22px, 3vw, 34px);
  border-bottom: 2px solid var(--ink);
}

.page-news .page-head .eyebrow {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: var(--step-13);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--maple);
}

.page-news .page-title {
  margin: 0 0 14px;
  font-size: clamp(38px, 6vw, 64px);
  line-height: 1.05;
  letter-spacing: -0.02em;
  color: var(--ink);
}

.page-news .page-lede {
  margin: 0;
  max-width: 66ch;
  font-size: var(--step-17);
  line-height: 1.75;
  color: var(--graphite);
}

.page-news .news-pulse {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 28px;
  margin: 22px 0 0;
  padding: 0;
  list-style: none;
}

.page-news .news-pulse li {
  display: flex;
  align-items: baseline;
  gap: 8px;
  font-size: var(--step-13);
  letter-spacing: 0.06em;
  color: var(--graphite);
}

.page-news .news-pulse .mono {
  font-size: var(--step-21);
  font-weight: 700;
  color: var(--fir);
  letter-spacing: 0.02em;
}

/* ---------- 头条 ---------- */
.page-news .news-lead {
  padding-top: clamp(26px, 4vw, 42px);
}

.page-news .news-lead__item {
  display: grid;
  gap: 0;
  overflow: hidden;
  background: var(--snow);
  border: var(--border);
  border-radius: var(--radius);
  transition: border-color var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
}

.page-news .news-lead__item:hover {
  border-color: var(--maple);
  box-shadow: 0 14px 34px -28px rgba(20, 32, 28, 0.55);
}

.page-news .news-lead__media {
  overflow: hidden;
  background: linear-gradient(140deg, #0e3b2f 0%, #28516d 60%, #a9cde0 100%);
}

.page-news .news-lead__media img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 7 / 4;
  object-fit: cover;
}

.page-news .news-lead__body {
  padding: clamp(20px, 3vw, 34px);
  display: flex;
  flex-direction: column;
}

.page-news .news-lede-meta {
  display: flex;
  align-items: center;
  gap: 12px;
  margin: 0 0 14px;
}

.page-news .news-lede-meta .mono {
  font-size: var(--step-13);
  letter-spacing: 0.08em;
  color: var(--graphite);
}

.page-news .news-lead__body h2 {
  margin: 0 0 12px;
  font-size: clamp(22px, 3.2vw, 32px);
  line-height: 1.28;
  letter-spacing: -0.015em;
  color: var(--ink);
}

.page-news .news-lead__body p {
  margin: 0 0 20px;
  max-width: 60ch;
  font-size: var(--step-15);
  line-height: 1.8;
  color: var(--graphite);
}

.page-news .news-more {
  align-self: flex-start;
  font-size: var(--step-15);
  font-weight: 700;
  color: var(--maple);
  text-decoration: none;
  padding-bottom: 2px;
  border-bottom: 2px solid transparent;
  transition: border-color var(--dur) var(--ease), color var(--dur) var(--ease);
}

.page-news .news-more:hover {
  border-bottom-color: var(--maple);
  color: var(--maple-soft);
}

/* ---------- 章节标题 ---------- */
.page-news .news-section-head {
  display: grid;
  gap: 8px;
  margin-bottom: clamp(18px, 2.4vw, 28px);
  padding-bottom: 14px;
  border-bottom: 1px solid var(--line);
}

.page-news .news-section-head h2 {
  margin: 0;
  font-size: clamp(22px, 3.2vw, 30px);
  letter-spacing: -0.015em;
  color: var(--ink);
}

.page-news .news-section-head p {
  margin: 0;
  max-width: 68ch;
  font-size: var(--step-15);
  line-height: 1.75;
  color: var(--graphite);
}

/* ---------- 条目列表 ---------- */
.page-news .news-feed-section {
  padding-top: clamp(38px, 5vw, 66px);
}

.page-news .news-feed {
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-news .news-feed__item {
  display: grid;
  gap: 10px;
  padding: 20px 6px 20px 0;
  border-bottom: 1px solid var(--line);
  transition: border-color var(--dur) var(--ease);
}

.page-news .news-feed__item:hover {
  border-bottom-color: var(--maple);
}

.page-news .news-feed__meta {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}

.page-news .news-feed__num {
  font-size: var(--step-13);
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--gold);
}

.page-news .news-feed__time {
  font-size: var(--step-13);
  letter-spacing: 0.08em;
  color: var(--graphite);
}

.page-news .news-feed__title {
  margin: 0 0 6px;
  font-size: var(--step-17);
  line-height: 1.55;
  color: var(--ink);
  letter-spacing: -0.005em;
}

.page-news .news-feed__excerpt {
  margin: 0;
  max-width: 62ch;
  font-size: var(--step-15);
  line-height: 1.75;
  color: var(--graphite);
}

.page-news .tag--glacier {
  background: rgba(62, 127, 166, 0.14);
  color: var(--glacier);
  border-color: rgba(62, 127, 166, 0.35);
}

/* ---------- 产品线归档 ---------- */
.page-news .news-tracks {
  padding-top: clamp(42px, 6vw, 76px);
}

.page-news .news-tracks__grid {
  display: grid;
  gap: 14px;
  grid-template-columns: 1fr;
}

.page-news .news-track {
  display: flex;
  flex-direction: column;
  padding: 22px 20px 20px;
  background: var(--snow);
  border: var(--border);
  border-radius: var(--radius);
  text-decoration: none;
  color: var(--ink);
  transition: border-color var(--dur) var(--ease), background var(--dur) var(--ease);
}

.page-news .news-track:hover {
  border-color: var(--maple);
}

.page-news .news-track__code {
  margin: 0 0 14px;
  font-size: var(--step-13);
  letter-spacing: 0.1em;
  color: var(--glacier);
}

.page-news .news-track h3 {
  margin: 0 0 10px;
  font-size: var(--step-21);
  letter-spacing: -0.01em;
  color: var(--ink);
}

.page-news .news-track p {
  margin: 0 0 16px;
  flex: 1;
  font-size: var(--step-15);
  line-height: 1.7;
  color: var(--graphite);
}

.page-news .news-track__more {
  display: inline-block;
  font-size: var(--step-13);
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--maple);
}

/* ---------- 专题 ---------- */
.page-news .news-topics {
  padding-top: clamp(42px, 6vw, 76px);
}

.page-news .news-topics__grid {
  display: grid;
  gap: 16px;
  grid-template-columns: 1fr;
}

.page-news .topic {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: clamp(20px, 2.6vw, 30px);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.page-news .topic--big {
  background: linear-gradient(152deg, var(--fir) 0%, #0b3226 100%);
  border-color: var(--fir);
}

.page-news .topic--s1 {
  background: linear-gradient(158deg, rgba(62, 127, 166, 0.14) 0%, rgba(169, 205, 224, 0.26) 100%);
}

.page-news .topic--s2 {
  background: linear-gradient(158deg, rgba(217, 160, 60, 0.14) 0%, rgba(246, 240, 227, 0.5) 100%);
}

.page-news .topic__meta {
  margin: 0;
  font-size: var(--step-13);
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--maple);
}

.page-news .topic--big .topic__meta {
  color: var(--gold);
}

.page-news .topic h3 {
  margin: 0;
  font-size: var(--step-21);
  letter-spacing: -0.01em;
  color: var(--ink);
}

.page-news .topic--big h3 {
  color: var(--paper);
  font-size: clamp(22px, 2.6vw, 28px);
}

.page-news .topic > p {
  margin: 0;
  font-size: var(--step-15);
  line-height: 1.78;
  color: var(--graphite);
}

.page-news .topic--big > p {
  color: rgba(246, 240, 227, 0.84);
}

.page-news .topic__details {
  margin-top: 6px;
  padding-top: 12px;
  border-top: 1px solid rgba(246, 240, 227, 0.22);
}

.page-news .topic--s1 .topic__details,
.page-news .topic--s2 .topic__details {
  border-top-color: var(--line);
}

.page-news .topic__details summary {
  cursor: pointer;
  font-size: var(--step-13);
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--gold);
  list-style: none;
}

.page-news .topic--s1 .topic__details summary,
.page-news .topic--s2 .topic__details summary {
  color: var(--fir-soft);
}

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

.page-news .topic__details summary::before {
  content: "+";
  display: inline-block;
  width: 14px;
  font-family: var(--font-mono);
}

.page-news .topic__details[open] summary::before {
  content: "\2212";
}

.page-news .topic__details ul {
  margin: 12px 0 0;
  padding: 0;
  list-style: none;
}

.page-news .topic__details li {
  position: relative;
  padding-left: 14px;
  margin-bottom: 8px;
  font-size: var(--step-15);
  line-height: 1.7;
  color: rgba(246, 240, 227, 0.86);
}

.page-news .topic--s1 .topic__details li,
.page-news .topic--s2 .topic__details li {
  color: var(--graphite);
}

.page-news .topic__details li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.72em;
  width: 5px;
  height: 5px;
  background: var(--gold);
}

/* ---------- 固件与兼容性 ---------- */
.page-news .news-firmware {
  padding-top: clamp(44px, 6vw, 78px);
}

.page-news .news-firmware h2 {
  margin: 0 0 12px;
  font-size: clamp(22px, 3.2vw, 30px);
  letter-spacing: -0.015em;
  color: var(--ink);
}

.page-news .news-firmware__lede {
  margin: 0 0 20px;
  max-width: 62ch;
  font-size: var(--step-15);
  line-height: 1.78;
  color: var(--graphite);
}

.page-news .firmware-panel {
  margin-top: 4px;
  background: var(--snow);
  border: var(--border);
  border-radius: var(--radius);
  overflow: hidden;
}

.page-news .firmware-row {
  display: grid;
  gap: 8px;
  padding: 16px 18px;
  border-bottom: 1px solid var(--line);
}

.page-news .firmware-row:last-child {
  border-bottom: none;
}

.page-news .firmware-row__head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 10px;
  flex-wrap: wrap;
}

.page-news .firmware-row__name {
  font-size: var(--step-17);
  font-weight: 700;
  color: var(--ink);
}

.page-news .firmware-row__ver {
  flex: none;
  font-family: var(--font-mono);
  font-size: var(--step-13);
  letter-spacing: 0.06em;
  color: var(--gold);
  border: 1px solid rgba(217, 160, 60, 0.45);
  border-radius: 2px;
  padding: 2px 8px;
}

.page-news .firmware-row__desc {
  margin: 0;
  font-size: var(--step-15);
  line-height: 1.72;
  color: var(--graphite);
}

.page-news .firmware-note {
  margin: 20px 0 0;
  padding: 16px 18px;
  background: rgba(217, 160, 60, 0.1);
  border-left: 3px solid var(--gold);
  border-radius: 0 var(--radius) var(--radius) 0;
  font-size: var(--step-15);
  line-height: 1.8;
  color: var(--ink);
}

.page-news .firmware-note strong {
  font-family: var(--font-mono);
  font-weight: 500;
  color: var(--maple);
  word-break: break-all;
}

.page-news .news-firmware__aside {
  margin-top: 26px;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.page-news .news-firmware__aside .media {
  border: var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--snow);
}

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

.page-news .news-firmware__aside .media__caption {
  padding: 10px 12px;
  font-size: var(--step-13);
  line-height: 1.6;
  color: var(--graphite);
  border-top: 1px solid var(--line);
}

.page-news .news-firmware__link {
  align-self: flex-start;
}

/* ---------- 订阅与回溯 ---------- */
.page-news .news-subscribe {
  padding-top: clamp(46px, 6vw, 84px);
}

.page-news .news-subscribe__inner {
  display: grid;
  gap: 24px;
  padding: clamp(24px, 4vw, 46px);
  background: linear-gradient(150deg, var(--ink) 0%, #0f2a23 100%);
  border-radius: var(--radius);
}

.page-news .news-subscribe h2 {
  margin: 0 0 12px;
  font-size: clamp(24px, 3.4vw, 34px);
  letter-spacing: -0.02em;
  color: var(--paper);
}

.page-news .news-subscribe > .news-subscribe__col > p {
  margin: 0;
  max-width: 62ch;
  font-size: var(--step-15);
  line-height: 1.8;
  color: rgba(246, 240, 227, 0.82);
}

.page-news .archive-list {
  margin: 24px 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 12px;
}

.page-news .archive-list li {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 12px;
  align-items: baseline;
  padding-bottom: 12px;
  border-bottom: 1px solid rgba(246, 240, 227, 0.16);
  font-size: var(--step-15);
  line-height: 1.72;
  color: rgba(246, 240, 227, 0.82);
}

.page-news .archive-list .mono {
  font-size: var(--step-13);
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--gold);
}

.page-news .news-subscribe__contact {
  margin: 20px 0 0;
  font-size: var(--step-15);
  line-height: 1.8;
  color: rgba(246, 240, 227, 0.78);
}

.page-news .news-subscribe__contact strong {
  font-family: var(--font-mono);
  font-weight: 500;
  color: var(--paper);
  word-break: break-all;
}

.page-news .news-subscribe__cta {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 26px;
}

.page-news .news-subscribe__cta .btn--ghost {
  border-color: rgba(246, 240, 227, 0.5);
  color: var(--paper);
}

.page-news .news-subscribe__cta .btn--ghost:hover {
  border-color: var(--gold);
  color: var(--gold);
}

.page-news .news-subscribe__media {
  margin: 0;
  align-self: start;
  border: 1px solid rgba(246, 240, 227, 0.2);
  border-radius: var(--radius);
  overflow: hidden;
  background: #0c211c;
}

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

.page-news .news-subscribe__cap {
  display: block;
  padding: 10px 12px;
  font-size: var(--step-13);
  letter-spacing: 0.08em;
  color: rgba(246, 240, 227, 0.66);
  border-top: 1px solid rgba(246, 240, 227, 0.2);
}

/* ---------- 响应式 ---------- */
@media (min-width: 620px) {
  .page-news .news-tracks__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 780px) {
  .page-news .news-feed__item {
    grid-template-columns: minmax(150px, 180px) minmax(0, 1fr);
    align-items: start;
    gap: 22px;
  }

  .page-news .news-feed__meta {
    flex-direction: column;
    align-items: flex-start;
    gap: 8px;
  }
}

@media (min-width: 880px) {
  .page-news .news-lead__item {
    grid-template-columns: 1.18fr 1fr;
    align-items: stretch;
  }

  .page-news .news-lead__media img {
    height: 100%;
    aspect-ratio: auto;
    min-height: 320px;
  }

  .page-news .news-topics__grid {
    grid-template-columns: 1.35fr 1fr;
    grid-template-areas:
      "big side1"
      "big side2";
    align-items: stretch;
  }

  .page-news .topic--big { grid-area: big; }
  .page-news .topic--s1 { grid-area: side1; }
  .page-news .topic--s2 { grid-area: side2; }
}

@media (min-width: 960px) {
  .page-news .news-tracks__grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-news .news-subscribe__inner {
    grid-template-columns: 1.15fr 1fr;
    gap: 42px;
    align-items: start;
  }
}

@media (max-width: 419px) {
  .page-news .news-pulse li {
    font-size: var(--step-13);
  }

  .page-news .news-pulse .mono {
    font-size: var(--step-17);
  }

  .page-news .news-feed__item {
    padding-right: 2px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-news .news-lead__item,
  .page-news .news-feed__item,
  .page-news .news-track,
  .page-news .news-more {
    transition: none;
  }
}
<<<END>>>