.page-news {
  --pn-rail: 96px;
  --pn-gold-line: rgba(200, 162, 74, .28);
  --pn-pad: clamp(1.15rem, 4vw, 2.5rem);
  background: var(--sd-obsidian);
  color: var(--sd-ink);
  font-family: var(--sd-font-body);
  overflow-x: hidden;
}

.page-news * ,
.page-news *::before,
.page-news *::after { box-sizing: border-box; }

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

.page-news .sd-shell {
  width: 100%;
  max-width: var(--sd-shell);
  margin-inline: auto;
  padding-inline: var(--pn-pad);
}

/* ---------- 拱门封面段 ---------- */

.page-news .pn-hero {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  padding: calc(var(--sd-header-h) + clamp(2.25rem, 6vw, 4.5rem)) 0 clamp(2.5rem, 6vw, 4.5rem);
  background:
    radial-gradient(78% 58% at 50% 0%, rgba(76, 107, 87, .30), transparent 66%),
    radial-gradient(52% 44% at 50% 4%, rgba(200, 162, 74, .14), transparent 70%),
    linear-gradient(180deg, #101220 0%, var(--sd-obsidian) 76%);
}

.page-news .pn-hero__bg {
  position: absolute;
  inset: 0;
  z-index: -2;
}

.page-news .pn-hero__bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: .18;
  filter: saturate(.72) contrast(1.06);
}

.page-news .pn-hero__bar {
  position: absolute;
  top: 0;
  left: 50%;
  width: clamp(64px, 12%, 180px);
  height: 100%;
  transform: translateX(-50%);
  background: linear-gradient(180deg, rgba(240, 208, 122, .24), rgba(240, 208, 122, .05) 52%, transparent 92%);
  z-index: -1;
  pointer-events: none;
  animation: pn-breathe 12s var(--sd-ease) infinite;
}

@keyframes pn-breathe {
  0%, 100% { opacity: .5; }
  50% { opacity: 1; }
}

.page-news .pn-hero__inner { position: relative; }

.page-news .pn-crumbs {
  display: flex;
  align-items: center;
  gap: .55rem;
  font-size: .78rem;
  letter-spacing: .16em;
  color: var(--sd-ash);
}

.page-news .pn-crumbs a {
  color: var(--sd-ash);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color .24s var(--sd-ease), border-color .24s var(--sd-ease);
}

.page-news .pn-crumbs a:hover {
  color: var(--sd-gold-bright);
  border-bottom-color: var(--sd-gold);
}

.page-news .pn-crumbs [aria-current="page"] { color: var(--sd-gold-bright); }

.page-news .pn-crumbs__sep { opacity: .5; }

.page-news .pn-hero__kick {
  margin: clamp(1.75rem, 4vw, 3rem) 0 .75rem;
  font-size: .76rem;
  letter-spacing: .3em;
  color: var(--sd-gold);
  text-transform: uppercase;
}

.page-news .pn-hero__title {
  margin: 0;
  font-family: var(--sd-font-display);
  font-weight: 800;
  font-size: clamp(2.05rem, 6.4vw, 4rem);
  line-height: 1.06;
  letter-spacing: .06em;
  color: var(--sd-bone);
  text-wrap: balance;
}

.page-news .pn-hero__lede {
  margin: clamp(1rem, 2.5vw, 1.5rem) 0 0;
  max-width: 68ch;
  font-size: clamp(1rem, 2.1vw, 1.12rem);
  line-height: 1.82;
  color: var(--sd-ink);
}

.page-news .pn-hero__stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1.1rem 1.25rem;
  margin: clamp(1.75rem, 4vw, 2.75rem) 0 0;
  padding: 1.35rem 0 0;
  border-top: 1px solid var(--sd-line);
  max-width: 780px;
}

.page-news .pn-hero__stat { margin: 0; }

.page-news .pn-hero__stat dt {
  margin-bottom: .4rem;
  font-size: .72rem;
  letter-spacing: .22em;
  color: var(--sd-ash);
}

.page-news .pn-hero__stat dd {
  margin: 0;
  font-size: clamp(.95rem, 2vw, 1.05rem);
  letter-spacing: .02em;
  color: var(--sd-bone);
}

/* ---------- 章节索引条 ---------- */

.page-news .pn-index {
  position: sticky;
  top: var(--sd-header-h-sm);
  z-index: 6;
  display: flex;
  gap: .4rem;
  overflow-x: auto;
  padding: .7rem var(--pn-pad);
  background: rgba(11, 11, 16, .92);
  backdrop-filter: blur(10px);
  border-top: 1px solid var(--sd-line-soft);
  border-bottom: 1px solid var(--sd-line-soft);
  scrollbar-width: thin;
}

.page-news .pn-index__link {
  flex: 0 0 auto;
  display: inline-flex;
  align-items: center;
  gap: .5rem;
  padding: .42rem .9rem;
  border: 1px solid transparent;
  border-radius: 999px;
  font-size: .82rem;
  letter-spacing: .08em;
  color: var(--sd-ink-dim);
  text-decoration: none;
  white-space: nowrap;
  transition: color .24s var(--sd-ease), border-color .24s var(--sd-ease), background-color .24s var(--sd-ease);
}

.page-news .pn-index__no {
  font-family: var(--sd-font-mono);
  font-size: .72rem;
  color: var(--sd-gold);
  font-variant-numeric: tabular-nums;
}

.page-news .pn-index__link:hover,
.page-news .pn-index__link[aria-current="true"] {
  color: var(--sd-gold-bright);
  border-color: var(--pn-gold-line);
  background: rgba(200, 162, 74, .1);
}

/* ---------- 通用章节 ---------- */

.page-news .pn-sec {
  position: relative;
  padding: clamp(3rem, 8vw, 5.5rem) 0;
}

.page-news .pn-sec--rock {
  background: linear-gradient(180deg, var(--sd-obsidian) 0%, var(--sd-rock) 18%, var(--sd-rock) 84%, var(--sd-obsidian) 100%);
}

.page-news .pn-eyebrow {
  margin: 0 0 .9rem;
  font-family: var(--sd-font-mono);
  font-size: .74rem;
  letter-spacing: .28em;
  color: var(--sd-gold);
}

.page-news .pn-h2 {
  margin: 0 0 1rem;
  font-family: var(--sd-font-display);
  font-weight: 700;
  font-size: clamp(1.55rem, 3.6vw, 2.35rem);
  line-height: 1.2;
  letter-spacing: .04em;
  color: var(--sd-bone);
  text-wrap: balance;
}

.page-news .pn-p {
  margin: 0 0 1.1rem;
  max-width: 66ch;
  font-size: clamp(.96rem, 2vw, 1.02rem);
  line-height: 1.82;
  color: var(--sd-ink);
}

.page-news .pn-head { margin-bottom: clamp(1.5rem, 3.5vw, 2.5rem); }

.page-news .pn-head__sub {
  margin: 0;
  max-width: 62ch;
  font-size: .98rem;
  line-height: 1.78;
  color: var(--sd-ink-dim);
}

/* ---------- 左右分栏 ---------- */

.page-news .pn-split {
  display: grid;
  gap: clamp(1.5rem, 4vw, 3rem);
}

.page-news .pn-split__main { min-width: 0; }

.page-news .pn-split__aside { min-width: 0; }

/* ---------- 图片 ---------- */

.page-news .pn-fig { margin: 0; }

.page-news .pn-fig img {
  width: 100%;
  border-radius: var(--sd-radius-lg);
  border: 1px solid var(--sd-line);
  object-fit: cover;
}

.page-news .pn-fig--square img { aspect-ratio: 1 / 1; }

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

.page-news .pn-fig figcaption {
  margin-top: .8rem;
  font-size: .78rem;
  line-height: 1.6;
  letter-spacing: .04em;
  color: var(--sd-ash);
}

/* ---------- 节奏要点 ---------- */

.page-news .pn-marks {
  list-style: none;
  margin: 1.75rem 0 0;
  padding: 0;
  display: grid;
  gap: .8rem;
}

.page-news .pn-marks__item {
  display: flex;
  align-items: flex-start;
  gap: .85rem;
  font-size: .95rem;
  line-height: 1.72;
  color: var(--sd-ink);
}

.page-news .pn-marks__item::before {
  content: "";
  flex: 0 0 auto;
  width: 24px;
  height: 1px;
  margin-top: .78em;
  background: linear-gradient(90deg, var(--sd-gold), rgba(200, 162, 74, 0));
}

/* ---------- 公告列表 ---------- */

.page-news .pn-feed {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--sd-line);
}

.page-news .pn-feed__item {
  position: relative;
  display: grid;
  gap: .6rem;
  padding: 1.2rem 0;
  border-bottom: 1px solid var(--sd-line-soft);
}

.page-news .pn-feed__item.is-pinned {
  background: linear-gradient(90deg, rgba(200, 162, 74, .13), rgba(200, 162, 74, 0) 60%);
  outline: 1px solid rgba(240, 208, 122, .38);
  outline-offset: -1px;
  border-radius: var(--sd-radius);
  padding-inline: .9rem;
}

.page-news .pn-feed__meta {
  display: flex;
  align-items: center;
  gap: .6rem;
  flex-wrap: wrap;
}

.page-news .pn-feed__ago {
  font-family: var(--sd-font-mono);
  font-size: .78rem;
  letter-spacing: .1em;
  color: var(--sd-ash);
  font-variant-numeric: tabular-nums;
}

.page-news .pn-feed__body { min-width: 0; }

.page-news .pn-feed__top {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: .5rem 1rem;
}

.page-news .pn-feed__title {
  margin: 0;
  font-family: var(--sd-font-display);
  font-weight: 600;
  font-size: clamp(1.02rem, 2.4vw, 1.28rem);
  line-height: 1.42;
  letter-spacing: .02em;
  color: var(--sd-bone);
}

.page-news .pn-feed__desc {
  margin: .55rem 0 0;
  max-width: 64ch;
  font-size: .94rem;
  line-height: 1.75;
  color: var(--sd-ink-dim);
}

.page-news .pn-feed__pin {
  margin: .6rem 0 0;
  font-size: .8rem;
  line-height: 1.65;
  letter-spacing: .03em;
  color: var(--sd-gold-bright);
}

/* ---------- 类型图例 ---------- */

.page-news .pn-legend {
  list-style: none;
  margin: 1.75rem 0 0;
  padding: 0;
  border-top: 1px solid var(--sd-line-soft);
}

.page-news .pn-legend__row {
  display: grid;
  gap: .4rem;
  padding: 1.05rem 0;
  border-bottom: 1px solid var(--sd-line-soft);
}

.page-news .pn-legend__key {
  display: inline-flex;
  align-items: center;
  gap: .65rem;
  font-family: var(--sd-font-display);
  font-size: 1rem;
  letter-spacing: .06em;
  color: var(--sd-bone);
}

.page-news .pn-swatch {
  flex: 0 0 auto;
  width: 12px;
  height: 12px;
  border-radius: 3px;
}

.page-news .pn-swatch--gold { background: var(--sd-gold); box-shadow: 0 0 0 3px rgba(200, 162, 74, .16); }

.page-news .pn-swatch--jade { background: var(--sd-jade); box-shadow: 0 0 0 3px rgba(47, 185, 138, .16); }

.page-news .pn-swatch--lava { background: var(--sd-lava); box-shadow: 0 0 0 3px rgba(242, 118, 46, .16); }

.page-news .pn-swatch--violet { background: var(--sd-violet); box-shadow: 0 0 0 3px rgba(123, 77, 255, .16); }

.page-news .pn-legend__val {
  font-size: .94rem;
  line-height: 1.76;
  color: var(--sd-ink-dim);
}

/* ---------- 台阶式定位步骤 ---------- */

.page-news .pn-steps {
  list-style: none;
  margin: 0;
  padding: 0;
  counter-reset: pn-step;
  border-top: 1px solid var(--sd-line);
}

.page-news .pn-steps__item {
  position: relative;
  counter-increment: pn-step;
  padding: 1.3rem 0 1.3rem 3.4rem;
  border-bottom: 1px solid var(--sd-line-soft);
}

.page-news .pn-steps__item::before {
  content: "0" counter(pn-step);
  position: absolute;
  left: 0;
  top: 1.35rem;
  font-family: var(--sd-font-mono);
  font-size: .78rem;
  letter-spacing: .12em;
  color: var(--sd-gold);
  font-variant-numeric: tabular-nums;
}

.page-news .pn-steps__title {
  margin: 0 0 .5rem;
  font-family: var(--sd-font-display);
  font-weight: 600;
  font-size: 1.06rem;
  line-height: 1.45;
  letter-spacing: .03em;
  color: var(--sd-bone);
}

.page-news .pn-steps__text {
  margin: 0;
  max-width: 62ch;
  font-size: .94rem;
  line-height: 1.78;
  color: var(--sd-ink-dim);
}

/* ---------- 版本节点 ---------- */

.page-news .pn-nodes {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--sd-line);
}

.page-news .pn-node {
  display: grid;
  gap: .45rem;
  padding: 1.3rem 0;
  border-bottom: 1px solid var(--sd-line-soft);
}

.page-news .pn-node__label {
  font-family: var(--sd-font-display);
  font-weight: 600;
  font-size: 1.06rem;
  letter-spacing: .05em;
  color: var(--sd-gold-bright);
}

.page-news .pn-node__text {
  margin: 0;
  max-width: 66ch;
  font-size: .94rem;
  line-height: 1.78;
  color: var(--sd-ink);
}

.page-news .pn-node__text a {
  color: var(--sd-bone);
  text-decoration: none;
  border-bottom: 1px solid var(--sd-violet);
  transition: color .24s var(--sd-ease), border-color .24s var(--sd-ease);
}

.page-news .pn-node__text a:hover {
  color: var(--sd-gold-bright);
  border-bottom-color: var(--sd-gold-bright);
}

/* ---------- 专题活动预告 ---------- */

.page-news .pn-spot {
  display: grid;
  margin-top: clamp(2rem, 4vw, 3rem);
  overflow: hidden;
  border: 1px solid var(--sd-line);
  border-radius: var(--sd-radius-lg);
  background:
    radial-gradient(70% 90% at 8% 10%, rgba(123, 77, 255, .18), transparent 62%),
    var(--sd-rock);
}

.page-news .pn-spot__fig { margin: 0; }

.page-news .pn-spot__fig img {
  width: 100%;
  height: 100%;
  aspect-ratio: 3 / 2;
  object-fit: cover;
  opacity: .9;
}

.page-news .pn-spot__text { padding: clamp(1.4rem, 3.6vw, 2.6rem); }

.page-news .pn-spot__title {
  margin: 0 0 .9rem;
  font-family: var(--sd-font-display);
  font-weight: 700;
  font-size: clamp(1.25rem, 2.8vw, 1.75rem);
  line-height: 1.3;
  letter-spacing: .04em;
  color: var(--sd-bone);
}

.page-news .pn-spot__link {
  display: inline-block;
  margin-top: .4rem;
  font-size: .9rem;
  letter-spacing: .06em;
  color: var(--sd-gold-bright);
  text-decoration: none;
  border-bottom: 1px solid var(--pn-gold-line);
  transition: border-color .24s var(--sd-ease);
}

.page-news .pn-spot__link:hover { border-bottom-color: var(--sd-gold-bright); }

/* ---------- 下一步入口 ---------- */

.page-news .pn-next {
  display: grid;
  gap: .8rem;
  margin-top: clamp(1.75rem, 4vw, 2.5rem);
}

.page-news .pn-next__link {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1.1rem 1.3rem;
  border: 1px solid var(--sd-line);
  border-radius: var(--sd-radius);
  background: rgba(22, 24, 33, .72);
  color: var(--sd-bone);
  font-size: .96rem;
  letter-spacing: .04em;
  text-decoration: none;
  transition: border-color .24s var(--sd-ease), background-color .24s var(--sd-ease), transform .24s var(--sd-ease);
}

.page-news .pn-next__link:hover {
  border-color: var(--sd-gold);
  background: rgba(200, 162, 74, .1);
  transform: translateY(-2px);
}

/* ---------- 响应式 ---------- */

@media (min-width: 760px) {
  .page-news .pn-hero__stats { grid-template-columns: repeat(4, minmax(0, 1fr)); }
  .page-news .pn-legend__row {
    grid-template-columns: 190px minmax(0, 1fr);
    gap: 0 2rem;
    align-items: baseline;
  }
  .page-news .pn-next { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .page-news .pn-spot { grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); }
  .page-news .pn-spot__fig img { aspect-ratio: auto; min-height: 100%; }
}

@media (min-width: 820px) {
  .page-news .pn-index { top: var(--sd-header-h); }

  .page-news .pn-feed__item {
    grid-template-columns: var(--pn-rail) minmax(0, 1fr);
    column-gap: 2.25rem;
    padding: 1.55rem 0;
  }

  .page-news .pn-feed__item::before {
    content: "";
    position: absolute;
    left: calc(var(--pn-rail) + 1.125rem);
    top: .5rem;
    bottom: .5rem;
    width: 1px;
    background: linear-gradient(180deg, transparent, var(--pn-gold-line) 14%, var(--pn-gold-line) 86%, transparent);
  }

  .page-news .pn-feed__meta {
    flex-direction: column;
    align-items: flex-end;
    justify-content: flex-start;
    gap: .4rem;
    padding-top: .2rem;
    text-align: right;
  }

  .page-news .pn-feed__item.is-pinned { padding-inline: 1.1rem; }
  .page-news .pn-feed__item.is-pinned::before { left: calc(var(--pn-rail) + 1.1rem + 1.125rem); }

  .page-news .pn-node {
    grid-template-columns: 220px minmax(0, 1fr);
    gap: 0 2.5rem;
    align-items: baseline;
  }

  .page-news .pn-steps__item:nth-child(2) { padding-left: 5.4rem; }
  .page-news .pn-steps__item:nth-child(3) { padding-left: 7.4rem; }
  .page-news .pn-steps__item:nth-child(4) { padding-left: 9.4rem; }
}

@media (min-width: 900px) {
  .page-news .pn-split {
    grid-template-columns: minmax(0, 1fr) minmax(0, .74fr);
    align-items: center;
  }

  .page-news .pn-split--flip {
    grid-template-columns: minmax(0, .74fr) minmax(0, 1fr);
  }

  .page-news .pn-split--flip .pn-split__aside { order: 1; }

  .page-news .pn-split--flip .pn-split__main { order: 2; }
}

@media (prefers-reduced-motion: reduce) {
  .page-news .pn-hero__bar { animation: none; opacity: .7; }
  .page-news .pn-next__link:hover { transform: none; }
}
</｜｜DSML｜｜ parameter>
</｜｜DSML｜｜ invoke>
</｜｜DSML｜｜ calls>