.page-news {
  --news-rule: 1px solid var(--rule);
  --news-pad: clamp(44px, 6vw, 88px);
  background: var(--ink-800);
  color: var(--paper);
}

.page-news .news-top {
  padding-top: clamp(16px, 2.6vw, 28px);
}

/* 面包屑 */
.page-news .breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  color: var(--mist);
}
.page-news .breadcrumb a {
  color: var(--mist);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color 0.18s var(--ease), border-color 0.18s var(--ease);
}
.page-news .breadcrumb a:hover,
.page-news .breadcrumb a:focus-visible {
  color: var(--lime);
  border-bottom-color: var(--lime);
}
.page-news .breadcrumb__sep {
  color: var(--dim);
}

/* 首屏 */
.page-news .news-hero {
  display: grid;
  gap: clamp(24px, 4vw, 48px);
  padding: clamp(22px, 3.4vw, 40px) 0 clamp(30px, 4vw, 54px);
  border-bottom: var(--news-rule);
}
.page-news .eyebrow {
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.18em;
  color: var(--lime);
}
.page-news .news-hero__title {
  margin: 0 0 18px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(2.1rem, 6.2vw, 4rem);
  line-height: 1.02;
  letter-spacing: -0.02em;
  text-wrap: balance;
}
.page-news .news-hero__lede {
  margin: 0;
  max-width: 34em;
  color: var(--mist);
  font-size: clamp(0.95rem, 1.5vw, 1.06rem);
  line-height: 1.85;
}

/* 更新节奏 */
.page-news .cadence {
  border-top: var(--news-rule);
  padding-top: 14px;
}
.page-news .cadence__head {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.16em;
  color: var(--dim);
}
.page-news .cadence__list {
  margin: 0;
  padding: 0;
  list-style: none;
}
.page-news .cadence__list li {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  padding: 9px 0;
  border-bottom: var(--news-rule);
  font-family: var(--font-mono);
  font-size: 0.75rem;
}
.page-news .cadence__k {
  color: var(--paper);
}
.page-news .cadence__v {
  color: var(--lime);
  text-align: right;
}

/* 章节头 */
.page-news .sec-head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 10px 18px;
  padding-bottom: 18px;
}
.page-news .section-label {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.16em;
  color: var(--lime);
}
.page-news h2.serif-title {
  margin: 0;
  font-family: var(--font-serif);
  font-weight: 600;
  font-size: clamp(1.45rem, 3.4vw, 2.1rem);
  line-height: 1.3;
}

/* 要目 */
.page-news .highlights {
  padding-block: var(--news-pad);
}
.page-news .highlights__grid {
  display: grid;
  gap: clamp(20px, 3vw, 36px);
}
.page-news .highlights__figure {
  margin: 0;
  border: var(--news-rule);
  background: var(--ink-900);
}
.page-news .highlights__figure img {
  display: block;
  width: 100%;
  height: auto;
}
.page-news .highlights__cap {
  padding: 10px 12px;
  border-top: var(--news-rule);
  font-family: var(--font-mono);
  font-size: 0.7rem;
  line-height: 1.65;
  color: var(--dim);
}
.page-news .highlights__list {
  margin: 0;
  padding: 0;
  list-style: none;
}
.page-news .hi {
  border-top: var(--news-rule);
}
.page-news .hi:last-child {
  border-bottom: var(--news-rule);
}
.page-news .hi__summary {
  position: relative;
  display: grid;
  gap: 8px;
  padding: 16px 34px 16px 0;
  list-style: none;
  cursor: pointer;
}
.page-news .hi__summary::-webkit-details-marker {
  display: none;
}
.page-news .hi__summary::after {
  content: "+";
  position: absolute;
  top: 16px;
  right: 2px;
  font-family: var(--font-mono);
  font-size: 1.05rem;
  line-height: 1;
  color: var(--lime);
}
.page-news .hi__d[open] .hi__summary::after {
  content: "–";
}
.page-news .hi__meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 12px;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.06em;
}
.page-news .hi__when {
  color: var(--dim);
}
.page-news .hi__cat {
  padding: 2px 8px;
  background: var(--lime);
  color: var(--ink-900);
}
.page-news .hi__title {
  font-family: var(--font-serif);
  font-weight: 600;
  font-size: clamp(1.12rem, 2.2vw, 1.45rem);
  line-height: 1.45;
  color: var(--paper);
}
.page-news .hi__text {
  margin: 0 0 18px;
  max-width: 38em;
  color: var(--mist);
  font-size: 0.93rem;
  line-height: 1.8;
}

/* 动态索引 */
.page-news .feed {
  padding-bottom: var(--news-pad);
}
.page-news .feed__note {
  margin: 0 0 18px;
  max-width: 44em;
  color: var(--mist);
  font-size: 0.9rem;
  line-height: 1.8;
}
.page-news .feed-shell {
  position: relative;
  display: flex;
  flex-wrap: wrap;
  border-top: var(--news-rule);
}
.page-news .feed-radio {
  position: absolute;
  width: 1px;
  height: 1px;
  opacity: 0;
  pointer-events: none;
}
.page-news .feed-tab {
  flex: 0 0 auto;
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 11px 14px;
  border-right: var(--news-rule);
  border-bottom: var(--news-rule);
  font-family: var(--font-mono);
  font-size: 0.73rem;
  letter-spacing: 0.06em;
  color: var(--mist);
  cursor: pointer;
  transition: background 0.18s var(--ease), color 0.18s var(--ease);
}
.page-news .feed-tab:hover {
  background: var(--panel);
  color: var(--paper);
}
.page-news .feed-tab__n {
  font-size: 0.66rem;
  color: var(--dim);
}
.page-news .feed-radio:focus-visible + .feed-tab {
  outline: 2px solid var(--lime);
  outline-offset: -2px;
}
.page-news .feed-radio:checked + .feed-tab {
  background: var(--lime);
  color: var(--ink-900);
}
.page-news .feed-radio:checked + .feed-tab .feed-tab__n {
  color: var(--ink-900);
}
.page-news .feed-list {
  flex: 1 0 100%;
  margin: 0;
  padding: 0;
  list-style: none;
  border-left: var(--news-rule);
}
.page-news .feed-item {
  display: grid;
  grid-template-columns: 1fr;
  gap: 6px;
  padding: 16px 4px 16px 18px;
  border-bottom: var(--news-rule);
  transition: background 0.18s var(--ease);
}
.page-news .feed-item:hover {
  background: var(--panel);
}
.page-news .feed-item__when {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.04em;
  line-height: 1.7;
  color: var(--dim);
}
.page-news .feed-item:hover .feed-item__when {
  color: var(--lime);
}
.page-news .feed-item__cat {
  justify-self: start;
  padding: 2px 8px;
  border: 1px solid var(--rule);
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.08em;
  line-height: 1.65;
  color: var(--mist);
}
.page-news .feed-item.is-biz .feed-item__cat {
  border-color: var(--orange);
  color: var(--orange);
}
.page-news .feed-item.is-rule .feed-item__cat {
  color: var(--lime);
  border-color: var(--glow);
}
.page-news .feed-item__body {
  min-width: 0;
}
.page-news .feed-item__title {
  margin: 0 0 5px;
  font-family: var(--font-body);
  font-size: 1rem;
  font-weight: 600;
  line-height: 1.6;
}
.page-news .feed-item__title a {
  color: var(--paper);
  text-decoration: none;
  transition: color 0.18s var(--ease);
}
.page-news .feed-item__title a:hover,
.page-news .feed-item__title a:focus-visible {
  color: var(--lime);
}
.page-news .feed-item__desc {
  margin: 0;
  color: var(--mist);
  font-size: 0.9rem;
  line-height: 1.78;
}

/* 专题 */
.page-news .topics {
  padding-block: var(--news-pad);
  border-top: var(--news-rule);
}
.page-news .topics__grid {
  display: grid;
  gap: clamp(16px, 2.4vw, 24px);
}
.page-news .topic {
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: clamp(18px, 2.6vw, 28px);
  background: var(--panel);
  border: var(--news-rule);
}
.page-news .topic__kicker {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.12em;
  color: var(--lime);
}
.page-news .topic__title {
  margin: 0;
  font-family: var(--font-serif);
  font-weight: 600;
  font-size: clamp(1.28rem, 2.4vw, 1.68rem);
  line-height: 1.32;
}
.page-news .topic__text {
  margin: 0;
  color: var(--mist);
  font-size: 0.92rem;
  line-height: 1.8;
}
.page-news .topic__list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 8px;
}
.page-news .topic__list li {
  display: grid;
  grid-template-columns: 30px minmax(0, 1fr);
  gap: 10px;
  padding-top: 8px;
  border-top: var(--news-rule);
  font-size: 0.9rem;
  line-height: 1.7;
  color: var(--paper);
}
.page-news .topic__n {
  font-family: var(--font-mono);
  font-size: 0.74rem;
  color: var(--lime);
}
.page-news .topic__meta {
  margin: auto 0 0;
  padding-top: 10px;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.04em;
  color: var(--dim);
}
.page-news .topics__figure {
  grid-column: 1 / -1;
  margin: 0;
  border: var(--news-rule);
  background: var(--ink-900);
}
.page-news .topics__figure img {
  display: block;
  width: 100%;
  height: auto;
}

/* 企业专场入口条 */
.page-news .biz-strip {
  padding-bottom: var(--news-pad);
}
.page-news .biz-strip__box {
  display: grid;
  border: 1px solid var(--orange);
  background: var(--panel);
}
.page-news .biz-strip__media {
  background: var(--ink-900);
}
.page-news .biz-strip__media img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}
.page-news .biz-strip__body {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 12px;
  padding: clamp(20px, 3vw, 34px);
}
.page-news .biz-strip__body .eyebrow {
  margin: 0;
  color: var(--orange);
}
.page-news .biz-strip__title {
  margin: 0;
  font-family: var(--font-serif);
  font-weight: 600;
  font-size: clamp(1.3rem, 2.6vw, 1.8rem);
  line-height: 1.32;
}
.page-news .biz-strip__text {
  margin: 0;
  color: var(--mist);
  font-size: 0.93rem;
  line-height: 1.8;
}

/* 版本档案（反白换气块） */
.page-news .versions {
  padding-block: var(--news-pad);
  background: var(--paper);
  color: var(--ink-800);
}
.page-news .versions .section-label {
  color: var(--ink-800);
}
.page-news .versions__grid {
  display: grid;
  gap: clamp(24px, 4vw, 44px);
}
.page-news .ver {
  border-top: 1px solid var(--rule);
}
.page-news .ver:last-child {
  border-bottom: 1px solid var(--rule);
}
.page-news .ver__summary {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 10px 14px;
  padding: 14px 0;
  list-style: none;
  cursor: pointer;
}
.page-news .ver__summary::-webkit-details-marker {
  display: none;
}
.page-news .ver__num {
  padding: 2px 8px;
  background: var(--lime);
  color: var(--ink-900);
  font-family: var(--font-mono);
  font-size: 0.82rem;
  font-weight: 700;
}
.page-news .ver__name {
  font-family: var(--font-serif);
  font-weight: 600;
  font-size: 1.06rem;
  color: var(--ink-800);
}
.page-news .ver__tag {
  margin-left: auto;
  padding: 2px 8px;
  border: 1px solid var(--rule);
  font-family: var(--font-mono);
  font-size: 0.68rem;
  color: var(--ink-800);
}
.page-news .ver__body {
  padding: 0 0 18px;
}
.page-news .ver__body ul {
  display: grid;
  gap: 8px;
  margin: 0;
  padding-left: 18px;
  color: var(--ink-800);
  font-size: 0.92rem;
  line-height: 1.78;
}
.page-news .versions__aside figure {
  margin: 0 0 14px;
  border: 1px solid var(--rule);
}
.page-news .versions__aside img {
  display: block;
  width: 100%;
  height: auto;
}
.page-news .versions__aside p {
  margin: 0;
  color: var(--ink-800);
  font-size: 0.86rem;
  line-height: 1.85;
}

/* 订阅 */
.page-news .subscribe {
  padding-block: var(--news-pad);
  background: var(--ink-900);
  border-top: var(--news-rule);
}
.page-news .subscribe__inner {
  display: grid;
  gap: 16px;
  justify-items: start;
}
.page-news .subscribe__text {
  margin: 0;
  max-width: 48em;
  color: var(--mist);
  font-size: 0.95rem;
  line-height: 1.85;
}
.page-news .subscribe__mail {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 0.86rem;
  letter-spacing: 0.02em;
  color: var(--lime);
  word-break: break-all;
}
.page-news .subscribe__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}
.page-news .subscribe__actions .btn {
  min-height: 44px;
  display: inline-flex;
  align-items: center;
}

/* 桌面布局 */
@media (min-width: 900px) {
  .page-news .news-hero {
    grid-template-columns: minmax(0, 1.55fr) minmax(260px, 0.75fr);
    align-items: end;
  }
}

@media (min-width: 920px) {
  .page-news .versions__grid {
    grid-template-columns: minmax(0, 1.35fr) minmax(0, 0.65fr);
    align-items: start;
  }
}

@media (min-width: 980px) {
  .page-news .highlights__grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.15fr);
    align-items: start;
  }
}

@media (min-width: 820px) {
  .page-news .topics__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .page-news .biz-strip__box {
    grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
  }
  .page-news .biz-strip__media img {
    height: 100%;
  }
}

@media (min-width: 860px) {
  .page-news .feed-item {
    grid-template-columns: 172px 118px minmax(0, 1fr);
    gap: 0 24px;
    align-items: start;
    padding: 20px 8px 20px 26px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-news .feed-tab,
  .page-news .feed-item,
  .page-news .breadcrumb a,
  .page-news .feed-item__title a {
    transition: none;
  }
}
<<<END>>>