.page-news {
  --nw-line: 1px solid var(--sand-deep);
  --nw-axis: 1px solid var(--sand-deep);
}

.page-news > .band {
  padding-top: clamp(36px, 5vw, 76px);
  padding-bottom: clamp(36px, 5vw, 76px);
}

.page-news [id] {
  scroll-margin-top: calc(var(--header-h) + 20px);
}

/* ---------- hero ---------- */
.page-news .nw-hero {
  padding-top: clamp(12px, 2.4vw, 24px);
  padding-bottom: clamp(44px, 6vw, 84px);
  color: var(--paper);
}

.page-news .nw-hero .crumbs,
.page-news .nw-hero .crumbs a,
.page-news .nw-hero .crumbs li,
.page-news .nw-hero .crumbs span {
  color: rgba(251, 250, 247, .66);
}

.page-news .nw-hero .crumbs a:hover,
.page-news .nw-hero .crumbs a:focus-visible {
  color: var(--signal);
}

.page-news .nw-hero__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(28px, 4vw, 56px);
  margin-top: clamp(22px, 3.6vw, 48px);
}

.page-news .nw-hero h1 {
  font-family: var(--serif);
  font-size: clamp(30px, 4.6vw, 56px);
  line-height: 1.16;
  letter-spacing: -0.01em;
  font-weight: 700;
  color: var(--paper);
  margin: 18px 0 0;
}

.page-news .nw-hero .lede {
  margin: 20px 0 0;
  max-width: 32em;
  font-size: clamp(15px, 1.6vw, 17px);
  line-height: 1.78;
  color: rgba(251, 250, 247, .76);
}

.page-news .nw-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}

.page-news .nw-hero__side {
  display: grid;
  gap: 10px;
}

.page-news .nw-hero__chip {
  display: flex;
  align-items: baseline;
  gap: 16px;
  padding: 16px 20px;
  border-radius: var(--r-md);
  background: rgba(251, 250, 247, .06);
}

.page-news .nw-hero__chip--sm {
  background: rgba(255, 106, 43, .14);
}

.page-news .nw-hero__num {
  flex: none;
  font-size: clamp(24px, 2.8vw, 32px);
  font-weight: 700;
  line-height: 1;
  color: var(--signal);
}

.page-news .nw-hero__cap {
  font-size: 14px;
  line-height: 1.6;
  color: rgba(251, 250, 247, .78);
}

/* ---------- 01 提要 ---------- */
.page-news .nw-brief__list {
  list-style: none;
  margin: clamp(24px, 3.6vw, 40px) 0 0;
  padding: 0;
}

.page-news .nw-brief__row {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
  padding: 22px 0;
  border-top: var(--nw-line);
}

.page-news .nw-brief__row:last-child {
  border-bottom: var(--nw-line);
}

.page-news .nw-brief__row .tag {
  justify-self: start;
}

.page-news .nw-brief__text h3 {
  margin: 0 0 8px;
  font-family: var(--serif);
  font-size: clamp(19px, 2.2vw, 24px);
  line-height: 1.4;
  font-weight: 600;
  color: var(--ink-900);
}

.page-news .nw-brief__text p {
  margin: 0;
  max-width: 34em;
  font-size: 15px;
  line-height: 1.78;
  color: var(--ink-500);
}

.page-news .nw-brief__go {
  position: relative;
  justify-self: start;
  align-self: center;
  padding-bottom: 4px;
  font-family: var(--label);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .12em;
  color: var(--signal);
  text-decoration: none;
}

.page-news .nw-brief__go::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 100%;
  height: 2px;
  background: var(--signal);
  transform: scaleX(.35);
  transform-origin: left center;
  transition: transform .24s ease;
}

.page-news .nw-brief__go:hover::after,
.page-news .nw-brief__go:focus-visible::after {
  transform: scaleX(1);
}

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

/* ---------- 02 专题列表 ---------- */
.page-news .nw-texture {
  margin: clamp(22px, 3vw, 34px) 0 0;
}

.page-news .nw-texture img {
  display: block;
  width: 100%;
  height: clamp(120px, 20vw, 220px);
  object-fit: cover;
  border-radius: var(--r-lg);
}

.page-news .nw-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  list-style: none;
  margin: 22px 0 0;
  padding: 0;
}

.page-news .nw-chips a {
  display: inline-block;
  padding: 9px 18px;
  border: var(--nw-line);
  border-radius: 999px;
  background: var(--paper);
  font-family: var(--label);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .14em;
  color: var(--ink-700);
  text-decoration: none;
  transition: background .2s ease, color .2s ease;
}

.page-news .nw-chips a:hover,
.page-news .nw-chips a:focus-visible {
  background: var(--signal-mist);
  color: var(--ink-900);
}

.page-news .nw-chips a:focus-visible {
  outline: 2px solid var(--signal);
  outline-offset: 3px;
}

.page-news .nw-stream {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(32px, 5vw, 60px);
  margin-top: clamp(28px, 4vw, 48px);
}

.page-news .nw-group__title {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 4px;
  font-family: var(--label);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--ink-500);
}

.page-news .nw-group__title .num {
  color: var(--signal);
}

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

.page-news .nw-item {
  position: relative;
  padding: 20px 0 20px 24px;
  border-radius: var(--r-sm);
  transition: background .2s ease;
}

.page-news .nw-item::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 1px;
  background: var(--sand-deep);
}

.page-news .nw-item::after {
  content: "";
  position: absolute;
  left: -4px;
  top: 26px;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--signal);
  transition: transform .2s ease;
}

.page-news .nw-item--wide::after {
  left: -6.5px;
  width: 14px;
  height: 14px;
}

.page-news .nw-item:hover {
  background: rgba(227, 218, 203, .34);
}

.page-news .nw-item__meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  margin-bottom: 10px;
}

.page-news .nw-item__time {
  font-family: var(--label);
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--muted);
}

.page-news .nw-item__body summary {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
  list-style: none;
  cursor: pointer;
}

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

.page-news .nw-item__text {
  display: grid;
  gap: 6px;
}

.page-news .nw-item__title {
  font-family: var(--serif);
  font-size: clamp(17px, 1.9vw, 22px);
  font-weight: 600;
  line-height: 1.42;
  color: var(--ink-900);
}

.page-news .nw-item__hint {
  font-size: 13px;
  line-height: 1.6;
  color: var(--muted);
}

.page-news .nw-item__toggle {
  position: relative;
  flex: none;
  width: 22px;
  height: 22px;
  margin-top: 4px;
  border-radius: 50%;
  background: var(--sand-deep);
  transition: background .2s ease;
}

.page-news .nw-item__toggle::before,
.page-news .nw-item__toggle::after {
  content: "";
  position: absolute;
  left: 50%;
  top: 50%;
  background: var(--ink-700);
  transform: translate(-50%, -50%);
}

.page-news .nw-item__toggle::before {
  width: 10px;
  height: 2px;
}

.page-news .nw-item__toggle::after {
  width: 2px;
  height: 10px;
  transition: opacity .2s ease, transform .2s ease;
}

.page-news .nw-item__body[open] .nw-item__toggle {
  background: var(--signal);
}

.page-news .nw-item__body[open] .nw-item__toggle::after {
  opacity: 0;
  transform: translate(-50%, -50%) rotate(90deg);
}

.page-news .nw-item__body summary:focus-visible {
  outline: 2px solid var(--signal);
  outline-offset: 4px;
  border-radius: var(--r-sm);
}

.page-news .nw-item__detail {
  margin-top: 12px;
  max-width: 34em;
  font-size: 15px;
  line-height: 1.78;
  color: var(--ink-500);
}

.page-news .nw-item__detail p {
  margin: 0;
}

/* ---------- 03 版本脉络 ---------- */
.page-news .nw-versions-band {
  color: rgba(251, 250, 247, .8);
}

.page-news .nw-versions-band .chapter-head__title {
  color: var(--paper);
}

.page-news .nw-versions-band .chapter-head__note {
  color: rgba(251, 250, 247, .66);
}

.page-news .nw-versions-band .chapter-head__index {
  color: var(--signal);
}

.page-news .nw-versions {
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
  list-style: none;
  margin: clamp(26px, 4vw, 44px) 0 0;
  padding: 0;
}

.page-news .nw-version {
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: clamp(20px, 2.6vw, 32px);
  border-radius: var(--r-md);
  background: rgba(251, 250, 247, .06);
}

.page-news .nw-version--wide {
  background: rgba(255, 106, 43, .16);
}

.page-news .nw-version .tag {
  align-self: flex-start;
}

.page-news .nw-version h3 {
  margin: 0;
  font-family: var(--serif);
  font-size: clamp(19px, 2vw, 24px);
  line-height: 1.36;
  font-weight: 600;
  color: var(--paper);
}

.page-news .nw-version p {
  margin: 0;
  font-size: 15px;
  line-height: 1.76;
  color: rgba(251, 250, 247, .76);
}

.page-news .nw-version .nw-version__fix {
  margin-top: auto;
  padding-top: 12px;
  border-top: var(--hair);
  font-size: 14px;
  color: var(--signal-mist);
}

.page-news .nw-figure {
  margin: clamp(26px, 4vw, 44px) 0 0;
}

.page-news .nw-figure img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  border-radius: var(--r-lg);
  object-fit: cover;
}

.page-news .nw-figure .media__caption {
  margin-top: 12px;
  font-size: 13px;
  line-height: 1.7;
  color: rgba(251, 250, 247, .6);
}

/* ---------- 04 说明结构 ---------- */
.page-news .nw-anatomy__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(24px, 4vw, 48px);
  margin-top: clamp(24px, 3.6vw, 44px);
}

.page-news .nw-anatomy__figure {
  margin: 0;
}

.page-news .nw-anatomy__figure img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  border-radius: var(--r-lg);
}

.page-news .nw-anatomy__figure .media__caption {
  margin-top: 12px;
  font-size: 13px;
  line-height: 1.7;
  color: var(--ink-500);
}

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

.page-news .nw-anatomy__list li {
  display: grid;
  grid-template-columns: 34px minmax(0, 1fr);
  gap: 4px 14px;
  padding: 18px 0;
  border-top: 1px solid rgba(14, 27, 42, .16);
}

.page-news .nw-anatomy__list li:last-child {
  border-bottom: 1px solid rgba(14, 27, 42, .16);
}

.page-news .nw-anatomy__no {
  grid-row: span 2;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: .08em;
  color: var(--signal);
  padding-top: 2px;
}

.page-news .nw-anatomy__list h3 {
  margin: 0;
  font-family: var(--serif);
  font-size: 18px;
  font-weight: 600;
  color: var(--ink-900);
}

.page-news .nw-anatomy__list p {
  margin: 0;
  font-size: 15px;
  line-height: 1.76;
  color: var(--ink-700);
}

/* ---------- 05 文档节奏 ---------- */
.page-news .nw-docs__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(24px, 4vw, 48px);
  margin-top: clamp(24px, 3.6vw, 40px);
}

.page-news .nw-docs__text h3 {
  margin: 0 0 14px;
  font-family: var(--serif);
  font-size: clamp(21px, 2.4vw, 28px);
  font-weight: 600;
  line-height: 1.34;
  color: var(--ink-900);
}

.page-news .nw-docs__text p {
  margin: 0 0 14px;
  max-width: 32em;
  font-size: 15px;
  line-height: 1.78;
  color: var(--ink-500);
}

.page-news .nw-docs__text .btn {
  margin-top: 8px;
}

.page-news .nw-docs__figure {
  margin: 0;
}

.page-news .nw-docs__figure img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  border-radius: var(--r-lg);
}

.page-news .nw-docs__figure .media__caption {
  margin-top: 12px;
  font-size: 13px;
  line-height: 1.7;
  color: var(--muted);
}

/* ---------- 06 订阅回看 ---------- */
.page-news .nw-follow__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
  margin-top: clamp(24px, 3.6vw, 36px);
}

.page-news .nw-follow__panel {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 14px;
  padding: clamp(22px, 3vw, 36px);
  border-radius: var(--r-lg);
  background: var(--sand);
}

.page-news .nw-follow__panel .tag {
  align-self: flex-start;
}

.page-news .nw-follow__panel h3 {
  margin: 0;
  font-family: var(--serif);
  font-size: clamp(20px, 2.2vw, 26px);
  font-weight: 600;
  line-height: 1.36;
  color: var(--ink-900);
}

.page-news .nw-follow__panel p {
  margin: 0;
  max-width: 30em;
  font-size: 15px;
  line-height: 1.78;
  color: var(--ink-500);
}

.page-news .nw-follow__panel .btn {
  margin-top: 4px;
}

.page-news .nw-follow__panel--ink {
  background: var(--ink-900);
}

.page-news .nw-follow__panel--ink h3 {
  color: var(--paper);
}

.page-news .nw-follow__panel--ink p {
  color: rgba(251, 250, 247, .78);
}

.page-news .nw-follow__mail {
  font-family: var(--label);
  font-size: clamp(14px, 1.6vw, 17px);
  letter-spacing: .02em;
  color: var(--signal);
  word-break: break-all;
}

.page-news .nw-follow__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 6px;
}

.page-news .nw-follow__panel .nw-follow__hint {
  font-size: 13px;
  line-height: 1.7;
  color: rgba(251, 250, 247, .58);
}

/* ---------- 媒体查询 ---------- */
@media (min-width: 780px) {
  .page-news .nw-brief__row {
    grid-template-columns: 92px minmax(0, 1fr) 168px;
    align-items: start;
    gap: 24px;
  }

  .page-news .nw-item {
    padding-left: 28px;
  }

  .page-news .nw-item {
    display: grid;
    grid-template-columns: 150px minmax(0, 1fr);
    gap: 4px 24px;
    align-items: start;
  }

  .page-news .nw-item__meta {
    flex-direction: column;
    align-items: flex-start;
    gap: 8px;
    margin-bottom: 0;
    padding-top: 2px;
  }

  .page-news .nw-item::after {
    top: 24px;
  }
}

@media (min-width: 900px) {
  .page-news .nw-hero__grid {
    grid-template-columns: minmax(0, 1.32fr) minmax(0, .68fr);
    align-items: end;
  }

  .page-news .nw-versions {
    grid-template-columns: 1.7fr 1fr 1fr;
    align-items: stretch;
  }

  .page-news .nw-anatomy__grid {
    grid-template-columns: minmax(0, .92fr) minmax(0, 1.08fr);
    align-items: start;
  }

  .page-news .nw-docs__grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    align-items: center;
  }

  .page-news .nw-follow__grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-news .nw-brief__go::after,
  .page-news .nw-item,
  .page-news .nw-item::after,
  .page-news .nw-item__toggle,
  .page-news .nw-item__toggle::after,
  .page-news .nw-chips a {
    transition: none;
  }
}
<<<PAGE_CSS_END>>>