.page-news {
  --pn-cat-tech: var(--mist);
  --pn-cat-safe: var(--gold);
  --pn-cat-catalog: var(--green);
  --pn-cat-version: var(--grape);
  --pn-cat-policy: var(--green-soft);
}

/* ---------- 面包屑 ---------- */
.page-news .breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  padding-top: 24px;
  font-size: var(--step-1);
  color: var(--text-dim);
}

.page-news .breadcrumb__item {
  color: var(--text-dim);
  text-decoration: none;
  transition: color .25s ease;
}

.page-news .breadcrumb__item--sep {
  color: var(--ash);
}

.page-news .breadcrumb__item--current {
  color: var(--mist);
}

.page-news a.breadcrumb__item:hover,
.page-news a.breadcrumb__item:focus-visible {
  color: var(--green);
}

/* ---------- 首屏 ---------- */
.page-news .news-hero {
  display: grid;
  gap: 32px;
  padding-top: 28px;
  padding-bottom: 56px;
}

.page-news .news-hero__kicker {
  margin: 0 0 18px;
  font-size: var(--step-1);
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--gold);
}

.page-news .news-hero__title {
  margin: 0 0 22px;
  font-size: clamp(30px, 5.4vw, 64px);
  font-weight: 900;
  line-height: 1.03;
  letter-spacing: -.02em;
  color: var(--paper);
  max-width: 16ch;
}

.page-news .news-hero__lede {
  margin: 0 0 28px;
  max-width: 40ch;
  font-size: var(--step-3);
  line-height: 1.8;
  color: var(--text-body);
}

.page-news .news-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 32px;
}

.page-news .news-hero__meta {
  display: grid;
  gap: 14px;
  margin: 0;
  padding-top: 20px;
  border-top: 1px solid var(--line);
}

.page-news .news-hero__meta-item {
  display: grid;
  gap: 4px;
}

.page-news .news-hero__meta dt {
  font-size: var(--step-1);
  color: var(--ash);
  letter-spacing: .08em;
}

.page-news .news-hero__meta dd {
  margin: 0;
  font-size: var(--step-2);
  line-height: 1.7;
  color: var(--text-dim);
}

.page-news .news-hero__figure {
  position: relative;
  margin: 0;
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--line);
  background: linear-gradient(160deg, var(--grape-deep), var(--night));
}

.page-news .news-hero__figure::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(200deg, rgba(47, 208, 138, .16), transparent 55%);
  pointer-events: none;
}

.page-news .news-hero__figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
}

/* ---------- 周更标记带 ---------- */
.page-news .update-band {
  background: linear-gradient(92deg, var(--gold), #f2c778);
  color: var(--grape-deep);
}

.page-news .update-band__inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px 20px;
  padding-top: 16px;
  padding-bottom: 16px;
}

.page-news .update-band__tag {
  font-size: var(--step-1);
  letter-spacing: .18em;
  padding: 4px 10px;
  border: 1px solid rgba(42, 17, 71, .38);
  border-radius: 999px;
}

.page-news .update-band__text {
  flex: 1 1 260px;
  margin: 0;
  font-size: var(--step-2);
  line-height: 1.6;
  font-weight: 500;
}

.page-news .update-band__link {
  font-size: var(--step-2);
  font-weight: 700;
  color: var(--grape-deep);
  text-decoration: none;
  border-bottom: 1px solid rgba(42, 17, 71, .45);
  padding-bottom: 2px;
}

.page-news .update-band__link:hover,
.page-news .update-band__link:focus-visible {
  border-bottom-color: var(--grape-deep);
}

/* ---------- 时间线宽图 ---------- */
.page-news .timeline-wrap {
  max-width: 1520px;
  margin: 0 auto;
  padding: 32px var(--gutter) 8px;
}

.page-news .timeline-figure {
  margin: 0;
}

/* ---------- 主体双栏 ---------- */
.page-news .news-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 40px;
  padding-top: 16px;
  padding-bottom: 72px;
}

.page-news .news-col {
  min-width: 0;
}

.page-news .news-section {
  padding-bottom: 64px;
}

.page-news .news-section + .news-section {
  padding-top: 40px;
  border-top: 1px solid var(--line-soft);
}

.page-news .section__title {
  font-size: clamp(24px, 3vw, 38px);
  font-weight: 800;
  line-height: 1.2;
  letter-spacing: -.01em;
  color: var(--paper);
  margin: 6px 0 12px;
}

.page-news .news-section__intro {
  margin: 0;
  max-width: 46ch;
  font-size: var(--step-3);
  line-height: 1.8;
  color: var(--text-dim);
}

.page-news .news-section__foot {
  margin: 24px 0 0;
  font-size: var(--step-2);
  line-height: 1.8;
  color: var(--text-dim);
}

.page-news .news-section__foot a {
  color: var(--mist);
  text-decoration: none;
  border-bottom: 1px solid var(--line);
}

.page-news .news-section__foot a:hover,
.page-news .news-section__foot a:focus-visible {
  color: var(--green);
  border-bottom-color: var(--green);
}

/* ---------- 公告条目 ---------- */
.page-news .notice-list {
  list-style: none;
  margin: 28px 0 0;
  padding: 0;
  border-top: 1px solid var(--line);
}

.page-news .notice-item {
  border-bottom: 1px solid var(--line);
  border-left: 3px solid var(--cat, transparent);
  padding-left: 16px;
  transition: border-left-color .3s ease, background-color .3s ease;
}

.page-news .notice-item--tech { --cat: var(--pn-cat-tech); }
.page-news .notice-item--safe { --cat: var(--pn-cat-safe); }
.page-news .notice-item--catalog { --cat: var(--pn-cat-catalog); }
.page-news .notice-item--version { --cat: var(--pn-cat-version); }
.page-news .notice-item--policy { --cat: var(--pn-cat-policy); }

.page-news .notice-item[open] {
  background: linear-gradient(90deg, rgba(108, 43, 217, .16), transparent 72%);
}

.page-news .notice-item summary {
  position: relative;
  display: block;
  padding: 20px 40px 20px 0;
  cursor: pointer;
  list-style: none;
}

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

.page-news .notice-item summary::after {
  content: "+";
  position: absolute;
  right: 6px;
  top: 22px;
  font-family: var(--font-mono);
  font-size: 20px;
  line-height: 1;
  color: var(--mist);
  transition: color .25s ease;
}

.page-news .notice-item[open] summary::after {
  content: "−";
  color: var(--green);
}

.page-news .notice-item summary:hover .notice-item__title,
.page-news .notice-item summary:focus-visible .notice-item__title {
  color: var(--green-soft);
}

.page-news .notice-item__time {
  display: block;
  margin-bottom: 8px;
  font-size: var(--step-1);
  letter-spacing: .06em;
  color: var(--ash);
}

.page-news .notice-item__row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px 14px;
}

.page-news .notice-item__title {
  font-size: var(--step-4);
  font-weight: 700;
  line-height: 1.45;
  color: var(--text-body);
  transition: color .25s ease;
}

.page-news .notice-item__body {
  padding: 0 0 22px;
  max-width: 48ch;
  font-size: var(--step-3);
  line-height: 1.85;
  color: var(--text-dim);
}

.page-news .notice-item__body p {
  margin: 0 0 12px;
}

.page-news .notice-item__body p:last-child {
  margin-bottom: 0;
}

/* ---------- 版本记录 ---------- */
.page-news .version-figure,
.page-news .catalog-figure {
  margin: 28px 0 32px;
}

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

.page-news .version-item {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 10px;
  padding: 20px 0;
  border-bottom: 1px solid var(--line-soft);
}

.page-news .version-item__no {
  font-size: var(--step-2);
  font-weight: 700;
  letter-spacing: .06em;
  color: var(--gold);
}

.page-news .version-item__title {
  margin: 0 0 6px;
  font-size: var(--step-3);
  font-weight: 700;
  color: var(--text-body);
}

.page-news .version-item__body p {
  margin: 0;
  max-width: 52ch;
  font-size: var(--step-2);
  line-height: 1.85;
  color: var(--text-dim);
}

/* ---------- 分类体系调整 ---------- */
.page-news .catalog-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 20px;
}

.page-news .catalog-block {
  padding: 22px 22px 24px;
  border-radius: var(--radius);
  border: 1px solid var(--line);
  background: var(--glass);
}

.page-news .catalog-block--add {
  border-top: 3px solid var(--green);
}

.page-news .catalog-block--merge {
  border-top: 3px solid var(--mist);
}

.page-news .catalog-block__title {
  margin: 0 0 16px;
  font-size: var(--step-4);
  font-weight: 800;
  color: var(--paper);
}

.page-news .catalog-block__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 14px;
}

.page-news .catalog-block__list li {
  padding-left: 16px;
  position: relative;
  font-size: var(--step-2);
  line-height: 1.85;
  color: var(--text-dim);
}

.page-news .catalog-block__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 12px;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--mist);
}

.page-news .catalog-block--add .catalog-block__list li::before {
  background: var(--green);
}

.page-news .catalog-block__note {
  margin: 18px 0 0;
  padding-top: 16px;
  border-top: 1px solid var(--line-soft);
  font-size: var(--step-2);
  line-height: 1.85;
  color: var(--ash);
}

/* ---------- 类目栅格 ---------- */
.page-news .cat-grid {
  list-style: none;
  margin: 28px 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(154px, 1fr));
  gap: 12px;
}

.page-news .cat-card {
  display: flex;
  flex-direction: column;
  gap: 10px;
  align-items: flex-start;
  padding: 16px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--line-soft);
  background: linear-gradient(180deg, rgba(42, 17, 71, .56), rgba(20, 10, 36, .42));
  transition: border-color .25s ease, transform .25s ease;
}

.page-news .cat-card:hover {
  border-color: var(--line);
  transform: translateY(-2px);
}

.page-news .cat-card__name {
  font-size: var(--step-3);
  font-weight: 600;
  color: var(--text-body);
  line-height: 1.4;
}

/* ---------- 订阅卡片 ---------- */
.page-news .subscribe-card {
  margin-top: 8px;
  border-left: 4px solid var(--grape);
}

.page-news .subscribe-card__foot {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 14px;
}

.page-news .subscribe-card__hint {
  font-size: var(--step-2);
  line-height: 1.7;
  color: var(--text-dim);
}

.page-news .subscribe-card__hint a {
  color: var(--mist);
  text-decoration: none;
  border-bottom: 1px solid var(--line);
}

.page-news .subscribe-card__hint a:hover,
.page-news .subscribe-card__hint a:focus-visible {
  color: var(--green);
  border-bottom-color: var(--green);
}

/* ---------- 归档路径 ---------- */
.page-news .archive-list {
  list-style: none;
  margin: 28px 0 0;
  padding: 0;
  display: grid;
  gap: 0;
}

.page-news .archive-item {
  display: grid;
  gap: 8px;
  padding: 18px 0;
  border-bottom: 1px solid var(--line-soft);
}

.page-news .archive-item__no {
  font-size: var(--step-1);
  letter-spacing: .1em;
  color: var(--green);
}

.page-news .archive-item p {
  margin: 0;
  max-width: 52ch;
  font-size: var(--step-2);
  line-height: 1.85;
  color: var(--text-dim);
}

/* ---------- 右栏 ---------- */
.page-news .news-side {
  min-width: 0;
}

.page-news .news-side__inner {
  display: grid;
  gap: 20px;
}

.page-news .side-card {
  padding: 20px;
  border-radius: var(--radius);
  border: 1px solid var(--line);
  background: var(--glass);
}

.page-news .side-card--gold {
  border-color: rgba(233, 176, 76, .45);
  background: linear-gradient(160deg, rgba(233, 176, 76, .16), rgba(42, 17, 71, .6));
}

.page-news .side-card__label {
  margin: 0 0 10px;
  font-size: var(--step-1);
  letter-spacing: .12em;
  color: var(--gold);
}

.page-news .side-card--gold .side-card__label {
  color: var(--gold);
}

.page-news .side-card__strong {
  margin: 0 0 8px;
  font-size: var(--step-4);
  font-weight: 800;
  color: var(--paper);
}

.page-news .side-card__text {
  margin: 0 0 12px;
  font-size: var(--step-2);
  line-height: 1.8;
  color: var(--text-dim);
}

.page-news .side-card__text:last-child {
  margin-bottom: 0;
}

.page-news .side-card__link {
  display: inline-block;
  font-size: var(--step-2);
  font-weight: 600;
  color: var(--mist);
  text-decoration: none;
  border-bottom: 1px solid var(--line);
}

.page-news .side-card__link:hover,
.page-news .side-card__link:focus-visible {
  color: var(--green);
  border-bottom-color: var(--green);
}

.page-news .side-index {
  display: flex;
  flex-direction: column;
  border-left: 1px solid var(--line);
  padding-left: 2px;
}

.page-news .side-index__title {
  margin: 0 0 10px;
  padding-left: 16px;
  font-size: var(--step-1);
  letter-spacing: .12em;
  color: var(--ash);
}

.page-news .side-index a {
  display: block;
  margin-left: -1px;
  padding: 10px 0 10px 16px;
  border-left: 2px solid transparent;
  font-size: var(--step-2);
  line-height: 1.6;
  color: var(--text-dim);
  text-decoration: none;
  transition: color .25s ease, border-color .25s ease, transform .25s ease;
}

.page-news .side-index a:hover,
.page-news .side-index a:focus-visible {
  color: var(--paper);
}

.page-news .side-index a[aria-current="true"] {
  color: var(--green);
  border-left-color: var(--green);
  transform: translateX(3px);
}

.page-news .side-cats {
  padding: 18px 20px 20px;
  border-radius: var(--radius);
  border: 1px solid var(--line-soft);
  background: rgba(20, 10, 36, .5);
}

.page-news .side-cats__title {
  margin: 0 0 12px;
  font-size: var(--step-1);
  letter-spacing: .12em;
  color: var(--ash);
}

.page-news .side-cats__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 4px;
}

.page-news .side-cats__list a {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 9px 0;
  border-bottom: 1px solid var(--line-soft);
  font-size: var(--step-2);
  color: var(--text-dim);
  text-decoration: none;
  transition: color .25s ease;
}

.page-news .side-cats__list li:last-child a {
  border-bottom: none;
}

.page-news .side-cats__list a:hover,
.page-news .side-cats__list a:focus-visible {
  color: var(--green-soft);
}

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .page-news .news-hero__meta {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 14px 28px;
  }

  .page-news .catalog-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-news .version-item {
    grid-template-columns: 92px minmax(0, 1fr);
    gap: 20px;
    align-items: start;
  }

  .page-news .archive-item {
    grid-template-columns: 92px minmax(0, 1fr);
    gap: 20px;
    align-items: baseline;
  }
}

@media (min-width: 900px) {
  .page-news .breadcrumb {
    padding-top: 32px;
  }

  .page-news .news-hero {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, .95fr);
    align-items: end;
    gap: 56px;
    padding-top: 40px;
    padding-bottom: 72px;
  }

  .page-news .news-hero__figure {
    align-self: stretch;
  }

  .page-news .news-hero__figure img {
    aspect-ratio: 4 / 5;
  }

  .page-news .news-layout {
    grid-template-columns: minmax(0, 7fr) minmax(0, 3fr);
    gap: 56px;
    padding-top: 32px;
    padding-bottom: 96px;
  }

  .page-news .news-side__inner {
    position: sticky;
    top: 104px;
  }

  .page-news .update-band__inner {
    padding-top: 18px;
    padding-bottom: 18px;
  }
}

@media (min-width: 1200px) {
  .page-news .news-hero {
    gap: 72px;
  }

  .page-news .news-layout {
    gap: 72px;
  }

  .page-news .cat-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-news .notice-item,
  .page-news .cat-card,
  .page-news .side-index a {
    transition: none;
  }

  .page-news .cat-card:hover {
    transform: none;
  }

  .page-news .side-index a[aria-current="true"] {
    transform: none;
  }
}
<<<END>>>