.page-news {
  --pn-line: rgba(46, 74, 103, 0.6);
  --pn-c-index: var(--cinnabar);
  --pn-c-guide: var(--gold);
  --pn-c-subscribe: var(--jade);
  --pn-c-export: var(--cinnabar-lt);
  font-family: var(--font-sans);
  color: var(--paper);
  overflow-x: hidden;
}

.page-news img {
  display: block;
  max-width: 100%;
  height: auto;
}

.page-news [data-series="index"] { --pn-c: var(--pn-c-index); }
.page-news [data-series="guide"] { --pn-c: var(--pn-c-guide); }
.page-news [data-series="subscribe"] { --pn-c: var(--pn-c-subscribe); }
.page-news [data-series="export"] { --pn-c: var(--pn-c-export); }

.page-news .pn-wrap {
  width: 100%;
  max-width: var(--container);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

/* ---------- 首屏框景 ---------- */
.page-news .pn-hero {
  padding: 16px var(--gutter) 0;
}

.page-news .pn-hero__frame {
  position: relative;
  max-width: var(--container);
  margin-inline: auto;
  overflow: hidden;
  border: 1px solid var(--ink-600);
  isolation: isolate;
}

.page-news .pn-hero__frame::before,
.page-news .pn-hero__frame::after {
  content: "";
  position: absolute;
  z-index: 3;
  width: 22px;
  height: 22px;
  border: 2px solid var(--gold);
  pointer-events: none;
}

.page-news .pn-hero__frame::before {
  top: 0;
  left: 0;
  border-right: 0;
  border-bottom: 0;
}

.page-news .pn-hero__frame::after {
  right: 0;
  bottom: 0;
  border-top: 0;
  border-left: 0;
}

.page-news .pn-hero__media {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.page-news .pn-hero__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.42;
}

.page-news .pn-hero__media::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(180deg, rgba(6, 14, 24, 0.35) 0%, rgba(6, 14, 24, 0.86) 72%, var(--ink-800) 100%),
    radial-gradient(120% 80% at 12% 10%, rgba(200, 50, 42, 0.22), transparent 62%);
}

.page-news .pn-hero__body {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  gap: 16px;
  min-height: 460px;
  padding: 26px 20px 34px;
}

.page-news .pn-crumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--mist);
}

.page-news .pn-crumb__link {
  color: var(--mist);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color 0.2s var(--ease), border-color 0.2s var(--ease);
}

.page-news .pn-crumb__link:hover,
.page-news .pn-crumb__link:focus-visible {
  color: var(--paper);
  border-bottom-color: var(--cinnabar);
}

.page-news .pn-crumb__now {
  color: var(--paper);
}

.page-news .pn-hero__ref {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--gold);
}

.page-news .pn-hero__title {
  margin: 0;
  font-size: clamp(2.1rem, 7.4vw, 4.4rem);
  font-weight: 900;
  line-height: 1.02;
  letter-spacing: -0.03em;
  color: var(--paper);
  text-wrap: balance;
}

.page-news .pn-hero__lead {
  margin: 0;
  max-width: 46ch;
  font-size: 15px;
  line-height: 1.8;
  color: var(--paper-dim);
}

.page-news .pn-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 4px;
}

/* ---------- 通用章节 ---------- */
.page-news .pn-section {
  padding-block: 52px;
  border-top: 1px solid var(--pn-line);
}

.page-news .pn-section:first-of-type {
  border-top: 0;
}

.page-news .pn-head {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-bottom: 26px;
  max-width: 62ch;
}

.page-news .pn-head__kicker {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--gold);
}

.page-news .pn-head__title {
  margin: 0;
  font-size: clamp(1.5rem, 3.6vw, 2.1rem);
  font-weight: 800;
  line-height: 1.2;
  letter-spacing: -0.01em;
  color: var(--paper);
}

.page-news .pn-head__lead {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--mist);
}

.page-news .pn-figure {
  margin: 0 0 28px;
  border: 1px solid var(--ink-600);
  background: var(--ink-900);
}

.page-news .pn-figure img {
  width: 100%;
  height: auto;
  object-fit: cover;
}

.page-news .pn-figure figcaption {
  padding: 10px 14px;
  border-top: 1px solid var(--ink-600);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--mist);
}

.page-news .pn-figure--wide img {
  aspect-ratio: 2 / 1;
}

/* ---------- 版本线轴 ---------- */
.page-news .pn-track {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 22px;
}

.page-news .pn-track__item {
  position: relative;
  padding-left: 22px;
  border-left: 1px solid var(--pn-line);
}

.page-news .pn-track__item::before {
  content: "";
  position: absolute;
  left: -5px;
  top: 5px;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--gold);
}

.page-news .pn-track__item:first-child::before {
  background: var(--cinnabar);
  box-shadow: 0 0 0 3px rgba(200, 50, 42, 0.22);
}

.page-news .pn-track__ver {
  margin: 0 0 6px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--gold);
}

.page-news .pn-track__title {
  margin: 0 0 6px;
  font-size: 16px;
  font-weight: 700;
  line-height: 1.4;
  color: var(--paper);
}

.page-news .pn-track__text {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--mist);
}

/* ---------- 四个系列 ---------- */
.page-news .pn-series {
  display: grid;
  gap: 14px;
}

.page-news .pn-series__card {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 20px 18px 22px;
  background: var(--ink-700);
  border: 1px solid var(--ink-600);
  border-top: 3px solid var(--pn-c, var(--mist));
  transition: transform 0.24s var(--ease), border-color 0.24s var(--ease);
}

.page-news .pn-series__card:hover {
  transform: translateY(-3px);
  border-color: var(--pn-c, var(--mist));
}

.page-news .pn-series__code {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--pn-c, var(--mist));
}

.page-news .pn-series__name {
  margin: 0;
  font-size: 19px;
  font-weight: 800;
  letter-spacing: -0.01em;
  color: var(--paper);
}

.page-news .pn-series__text {
  margin: 0;
  font-size: 14px;
  line-height: 1.78;
  color: var(--paper-dim);
}

.page-news .pn-series__freq {
  margin: auto 0 0;
  padding-top: 10px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--mist);
}

/* ---------- 最新条目 ---------- */
.page-news .pn-entries {
  display: grid;
  gap: 26px;
}

.page-news .pn-side {
  background: var(--ink-900);
  border: 1px solid var(--ink-600);
  padding: 18px;
}

.page-news .pn-side__title {
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--mist);
}

.page-news .pn-side__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 2px;
}

.page-news .pn-side__row {
  display: grid;
  grid-template-columns: 10px minmax(0, 1fr) auto;
  align-items: center;
  gap: 10px;
  padding: 10px 0;
  border-bottom: 1px dashed var(--pn-line);
}

.page-news .pn-side__row:last-child {
  border-bottom: 0;
}

.page-news .pn-side__dot {
  width: 8px;
  height: 8px;
  background: var(--pn-c, var(--mist));
}

.page-news .pn-side__name {
  font-size: 14px;
  color: var(--paper);
}

.page-news .pn-side__num {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--gold);
}

.page-news .pn-side__figure {
  margin: 18px 0 0;
  border: 1px solid var(--ink-600);
}

.page-news .pn-side__figure img {
  width: 100%;
  aspect-ratio: 1 / 1;
  object-fit: cover;
  opacity: 0.9;
}

.page-news .pn-side__caption {
  padding: 8px 10px;
  border-top: 1px solid var(--ink-600);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  color: var(--mist);
}

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

.page-news .pn-entry {
  position: relative;
  padding: 18px 0 20px 18px;
  border-top: 1px solid var(--pn-line);
  transition: background-color 0.24s var(--ease);
}

.page-news .pn-entry:last-child {
  border-bottom: 1px solid var(--pn-line);
}

.page-news .pn-entry::before {
  content: "";
  position: absolute;
  left: 0;
  top: 20px;
  bottom: 22px;
  width: 2px;
  background: var(--pn-c, var(--mist));
  transition: transform 0.24s var(--ease);
  transform-origin: top center;
}

.page-news .pn-entry:hover::before {
  transform: scaleY(1.06);
}

.page-news .pn-entry__meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 12px;
  margin: 0 0 8px;
}

.page-news .pn-entry__ref {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--mist);
}

.page-news .pn-tag {
  padding: 2px 8px;
  border: 1px solid currentColor;
  font-size: 11px;
  letter-spacing: 0.08em;
  line-height: 1.6;
  color: var(--pn-c, var(--mist));
}

.page-news .pn-entry__time {
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--paper-dim);
}

.page-news .pn-entry__title {
  margin: 0 0 6px;
  font-size: 17px;
  font-weight: 700;
  line-height: 1.45;
  color: var(--paper);
}

.page-news .pn-entry__sum {
  margin: 0;
  max-width: 56ch;
  font-size: 14px;
  line-height: 1.75;
  color: var(--mist);
}

/* ---------- 编辑与供稿 ---------- */
.page-news .pn-editorial {
  display: grid;
  gap: 28px;
}

.page-news .pn-quote {
  margin: 0;
  padding: 4px 0 4px 18px;
  border-left: 4px solid var(--cinnabar);
}

.page-news .pn-quote p {
  margin: 0;
  font-size: clamp(1.15rem, 4.2vw, 1.6rem);
  font-weight: 800;
  line-height: 1.55;
  letter-spacing: -0.01em;
  color: var(--paper);
}

.page-news .pn-editorial__body {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.page-news .pn-editorial__text {
  margin: 0;
  font-size: 15px;
  line-height: 1.85;
  color: var(--paper-dim);
}

.page-news .pn-editorial__list {
  margin: 4px 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 10px;
}

.page-news .pn-editorial__list li {
  position: relative;
  padding-left: 20px;
  font-size: 14px;
  line-height: 1.75;
  color: var(--mist);
}

.page-news .pn-editorial__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 9px;
  width: 10px;
  height: 2px;
  background: var(--gold);
}

.page-news .pn-editorial__note {
  margin: 6px 0 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--paper-dim);
}

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

.page-news .pn-next {
  border: 1px solid var(--ink-600);
  background: var(--ink-900);
  padding: 18px;
}

.page-news .pn-next__label {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--gold);
}

.page-news .pn-next__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 2px;
}

.page-news .pn-next__link {
  display: block;
  padding: 10px 0 10px 18px;
  position: relative;
  font-size: 14px;
  line-height: 1.6;
  color: var(--paper-dim);
  text-decoration: none;
  border-bottom: 1px dashed var(--pn-line);
  transition: color 0.2s var(--ease), padding-left 0.2s var(--ease);
}

.page-news .pn-next__list li:last-child .pn-next__link {
  border-bottom: 0;
}

.page-news .pn-next__link::before {
  content: "→";
  position: absolute;
  left: 0;
  color: var(--cinnabar);
  transition: transform 0.2s var(--ease);
}

.page-news .pn-next__link:hover,
.page-news .pn-next__link:focus-visible {
  color: var(--paper);
  padding-left: 22px;
}

.page-news .pn-next__link:hover::before {
  transform: translateX(2px);
}

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

  .page-news .pn-hero__body {
    min-height: 440px;
    padding: 34px 30px 40px;
  }
}

@media (min-width: 860px) {
  .page-news .pn-section {
    padding-block: 72px;
  }

  .page-news .pn-hero {
    padding-top: 24px;
  }

  .page-news .pn-hero__body {
    min-height: 480px;
    max-width: 78%;
    padding: 48px 44px 52px;
    gap: 18px;
  }

  .page-news .pn-hero__lead {
    font-size: 16px;
  }

  .page-news .pn-track {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 0 26px;
  }

  .page-news .pn-track__item {
    padding: 20px 12px 0 0;
    border-left: 0;
    border-top: 1px solid var(--pn-line);
  }

  .page-news .pn-track__item::before {
    left: 0;
    top: -5px;
  }
}

@media (min-width: 1024px) {
  .page-news .pn-series {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-news .pn-editorial {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    gap: 40px;
    align-items: start;
  }

  .page-news .pn-quote {
    padding-left: 24px;
  }
}

@media (min-width: 1100px) {
  .page-news .pn-entries {
    grid-template-columns: 264px minmax(0, 1fr);
    gap: 48px;
    align-items: start;
  }

  .page-news .pn-side {
    position: sticky;
    top: calc(var(--sg-header-h, 108px) + 18px);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-news .pn-series__card,
  .page-news .pn-entry::before,
  .page-news .pn-next__link,
  .page-news .pn-next__link::before {
    transition: none;
  }

  .page-news .pn-series__card:hover {
    transform: none;
  }
}
<<<END>>>