.page-news {
  --news-card-bg: var(--paper-white);
  --news-gap: 1rem;
  --news-line: rgba(62, 26, 94, .16);
  padding-bottom: 3rem;
}

/* ---------- 首屏 ---------- */
.page-news .crumbs {
  padding-block: 1rem .25rem;
  font-family: var(--font-mono);
  font-size: .78rem;
  letter-spacing: .04em;
}

.page-news .news-hero {
  position: relative;
  padding: 1.25rem 0 2.25rem;
  isolation: isolate;
}

.page-news .news-hero::before {
  content: "";
  position: absolute;
  top: -1rem;
  right: -2rem;
  width: min(58vw, 260px);
  aspect-ratio: 1;
  background:
    repeating-linear-gradient(135deg, rgba(107, 47, 160, .1) 0 8px, transparent 8px 20px),
    radial-gradient(circle at 30% 30%, rgba(46, 139, 109, .16), transparent 65%);
  border-radius: 50% 8% 50% 50%;
  z-index: 0;
  pointer-events: none;
}

.page-news .news-hero > * {
  position: relative;
  z-index: 1;
}

.page-news .news-hero h1 {
  font-family: var(--font-title);
  font-size: clamp(1.95rem, 7vw, 3.5rem);
  line-height: 1.14;
  letter-spacing: -.01em;
  margin: .55rem 0 0;
  max-width: 16em;
  color: var(--grape-deep);
}

.page-news .news-hero .lede {
  margin-top: 1rem;
  max-width: 58ch;
  color: var(--ink);
  font-size: 1rem;
  line-height: 1.75;
}

.page-news .news-hero__facts {
  display: grid;
  grid-template-columns: 1fr;
  gap: .6rem;
  margin: 1.5rem 0 0;
  padding: 0;
  list-style: none;
  max-width: 34rem;
}

.page-news .news-hero__fact {
  display: flex;
  align-items: baseline;
  gap: .75rem;
  padding: .6rem .8rem;
  background: var(--paper-white);
  border: var(--hair);
  border-left: 3px solid var(--grape);
}

.page-news .news-hero__num {
  font-family: var(--font-mono);
  font-size: .95rem;
  font-weight: 700;
  color: var(--grape);
  white-space: nowrap;
}

.page-news .news-hero__label {
  font-size: .82rem;
  color: var(--ink-soft);
  letter-spacing: .02em;
}

.page-news .news-hero__sticker {
  position: absolute;
  top: 1.5rem;
  right: .25rem;
  display: none;
  z-index: 2;
}

/* ---------- 区块通用 ---------- */
.page-news .news-block {
  padding-block: 2.25rem;
  border-top: var(--hair);
}

.page-news .news-block__head {
  display: flex;
  align-items: flex-start;
  gap: .85rem;
  margin-bottom: 1.35rem;
}

.page-news .news-block__head .section-no {
  flex: none;
  font-size: clamp(2rem, 7vw, 3.4rem);
  line-height: 1;
}

.page-news .news-block__headtext h2 {
  font-family: var(--font-title);
  font-size: clamp(1.3rem, 4.4vw, 1.85rem);
  line-height: 1.28;
  margin: 0;
  color: var(--grape-deep);
}

.page-news .news-block__desc {
  margin: .45rem 0 0;
  max-width: 60ch;
  color: var(--ink-soft);
  font-size: .92rem;
  line-height: 1.7;
}

/* ---------- 图 ---------- */
.page-news .news-figure {
  margin: 0 0 1.35rem;
}

.page-news .news-figure img,
.page-news .news-side-media img,
.page-news .news-cat-media img,
.page-news .sub-mail__figure img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

/* ---------- 速览卡 ---------- */
.page-news .glance {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: var(--news-gap);
}

.page-news .glance__card {
  position: relative;
  background: var(--news-card-bg);
  border: var(--hair);
  border-top: 5px solid var(--grape);
  padding: 1.25rem 1.1rem 1.15rem;
  box-shadow: var(--shadow-card);
  transition: border-color .2s ease, transform .2s ease;
}

.page-news .glance__card--gold { border-top-color: var(--gold); }
.page-news .glance__card--vine { border-top-color: var(--vine); }

.page-news .glance__card:hover {
  border-color: var(--vine);
  transform: translateY(-2px);
}

.page-news .glance__no {
  display: block;
  font-family: var(--font-mono);
  font-size: 1.6rem;
  font-weight: 700;
  line-height: 1;
  color: var(--gold);
  margin-bottom: .5rem;
}

.page-news .glance__card h3 {
  font-family: var(--font-title);
  font-size: 1.1rem;
  line-height: 1.42;
  margin: 0 0 .5rem;
  color: var(--ink);
}

.page-news .glance__card p {
  font-size: .9rem;
  line-height: 1.72;
  color: var(--ink-soft);
  margin: 0 0 .8rem;
}

.page-news .glance__card .tag {
  margin-bottom: .7rem;
}

.page-news .glance__card .link-arrow {
  display: inline-block;
}

/* ---------- 公告区外壳 ---------- */
.page-news .news-shell {
  display: grid;
  gap: 1.5rem;
}

.page-news .news-shell__side {
  display: grid;
  gap: 1rem;
  align-content: start;
}

/* ---------- 筛选 ---------- */
.page-news .news-filters {
  position: relative;
  display: flex;
  flex-wrap: wrap;
  gap: .45rem;
  padding: .85rem;
  background: var(--paper-white);
  border: var(--hair);
  border-top: 3px solid var(--grape-deep);
}

.page-news .news-filters__title {
  flex: 0 0 100%;
  margin: 0 0 .15rem;
  font-family: var(--font-mono);
  font-size: .72rem;
  letter-spacing: .1em;
  color: var(--ink-soft);
  text-transform: uppercase;
}

.page-news .filter-input {
  position: absolute;
  width: 1px;
  height: 1px;
  opacity: 0;
  pointer-events: none;
}

.page-news .news-filters label {
  display: inline-flex;
  align-items: center;
  gap: .35rem;
  padding: .4rem .7rem;
  font-size: .82rem;
  line-height: 1.2;
  color: var(--grape-deep);
  background: var(--paper);
  border: 1px solid rgba(62, 26, 94, .22);
  cursor: pointer;
  transition: background .18s ease, color .18s ease, border-color .18s ease;
}

.page-news .news-filters label span {
  font-family: var(--font-mono);
  font-size: .68rem;
  color: var(--vine);
  transition: color .18s ease;
}

.page-news .news-filters label:hover {
  border-color: var(--vine);
  color: var(--vine);
}

.page-news #f-all:checked + label,
.page-news #f-version:checked + label,
.page-news #f-entry:checked + label,
.page-news #f-case:checked + label,
.page-news #f-column:checked + label,
.page-news #f-sub:checked + label {
  background: var(--grape);
  border-color: var(--grape);
  color: var(--paper-white);
}

.page-news #f-all:checked + label span,
.page-news #f-version:checked + label span,
.page-news #f-entry:checked + label span,
.page-news #f-case:checked + label span,
.page-news #f-column:checked + label span,
.page-news #f-sub:checked + label span {
  color: var(--paper);
}

.page-news .news-side-media {
  display: none;
  margin: 0;
}

/* ---------- 公告卡片流 ---------- */
.page-news .news-stream {
  columns: 1;
  column-gap: 1rem;
}

.page-news .news-card {
  position: relative;
  break-inside: avoid;
  display: block;
  margin: 0 0 1rem;
  background: var(--news-card-bg);
  border: var(--hair);
  border-left: 3px solid var(--grape);
  padding: 1rem 1rem 1.05rem;
  transition: border-color .2s ease, box-shadow .2s ease;
}

.page-news .news-card:hover {
  border-color: var(--vine);
  box-shadow: var(--shadow-card);
}

.page-news .news-card--version { border-left-color: var(--grape); }
.page-news .news-card--entry { border-left-color: var(--vine); }
.page-news .news-card--case { border-left-color: var(--gold); }
.page-news .news-card--column { border-left-color: var(--grape-deep); }
.page-news .news-card--sub { border-left-color: var(--vine-mist); }

.page-news .news-card__sticker {
  position: absolute;
  top: .6rem;
  right: .6rem;
  opacity: 0;
  transform: rotate(-7deg) translateY(-6px);
  transition: opacity .2s ease, transform .2s ease;
  pointer-events: none;
}

.page-news .news-card:hover .news-card__sticker,
.page-news .news-card:focus-within .news-card__sticker {
  opacity: 1;
  transform: rotate(-7deg) translateY(0);
}

.page-news .news-card__meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: .5rem;
  margin: 0 0 .55rem;
  padding-right: 3.5rem;
}

.page-news .news-card__time {
  font-family: var(--font-mono);
  font-size: .7rem;
  letter-spacing: .04em;
  color: var(--ink-soft);
}

.page-news .news-card h3 {
  font-family: var(--font-title);
  font-size: 1.02rem;
  line-height: 1.45;
  margin: 0 0 .45rem;
  color: var(--ink);
}

.page-news .news-card p {
  font-size: .88rem;
  line-height: 1.72;
  color: var(--ink-soft);
  margin: 0;
}

.page-news .news-card details {
  margin-top: .65rem;
  padding-top: .55rem;
  border-top: 1px dashed var(--news-line);
}

.page-news .news-card summary {
  display: inline-block;
  list-style: none;
  cursor: pointer;
  font-family: var(--font-mono);
  font-size: .7rem;
  letter-spacing: .06em;
  color: var(--grape);
}

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

.page-news .news-card summary::after {
  content: " +";
}

.page-news .news-card details[open] summary::after {
  content: " −";
}

.page-news .news-card details ul {
  margin: .5rem 0 0;
  padding-left: 1.1rem;
  font-size: .84rem;
  line-height: 1.7;
  color: var(--ink-soft);
}

.page-news .news-card details li + li {
  margin-top: .3rem;
}

/* ---------- 分类与订阅 ---------- */
.page-news .sub-grid {
  display: grid;
  gap: 1.25rem;
}

.page-news .sub-grid__cats {
  display: grid;
  gap: 1rem;
}

.page-news .cat-list {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: var(--hair);
}

.page-news .cat-list__item {
  display: grid;
  grid-template-columns: 1fr;
  gap: .2rem;
  padding: .8rem .2rem;
  border-bottom: var(--hair);
}

.page-news .cat-list__k {
  font-family: var(--font-mono);
  font-size: .82rem;
  font-weight: 700;
  letter-spacing: .04em;
  color: var(--grape);
}

.page-news .cat-list__v {
  font-size: .88rem;
  line-height: 1.7;
  color: var(--ink-soft);
}

.page-news .news-cat-media {
  margin: 0;
}

.page-news .sub-mail {
  background: var(--grape-deep);
  color: var(--paper);
  border: 1px solid rgba(62, 26, 94, .4);
  overflow: hidden;
}

.page-news .sub-mail__figure {
  margin: 0;
  border-bottom: 3px solid var(--gold);
}

.page-news .sub-mail__body {
  padding: 1.25rem 1.1rem 1.4rem;
}

.page-news .sub-mail__body h3 {
  font-family: var(--font-title);
  font-size: 1.2rem;
  line-height: 1.35;
  margin: 0 0 .6rem;
  color: var(--paper-white);
}

.page-news .sub-mail__body p {
  margin: 0 0 .7rem;
  font-size: .9rem;
  line-height: 1.75;
  color: rgba(245, 240, 230, .86);
}

.page-news .sub-mail__note {
  font-family: var(--font-mono);
  font-size: .76rem !important;
  line-height: 1.7 !important;
  color: var(--vine-mist) !important;
  padding-left: .7rem;
  border-left: 2px solid var(--gold);
}

.page-news .sub-mail__actions {
  display: flex;
  flex-wrap: wrap;
  gap: .55rem;
  margin-top: 1rem;
}

.page-news .sub-mail__actions .tool-btn {
  background: transparent;
  color: var(--paper);
  border-color: rgba(245, 240, 230, .45);
}

/* ---------- 编辑节奏 ---------- */
.page-news .cadence {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 1rem;
  position: relative;
}

.page-news .cadence__item {
  position: relative;
  padding: .95rem 1rem .95rem 2rem;
  background: var(--paper-white);
  border: var(--hair);
}

.page-news .cadence__dot {
  position: absolute;
  left: .8rem;
  top: 1.2rem;
  width: .6rem;
  height: .6rem;
  background: var(--grape);
  border-radius: 50%;
  box-shadow: 0 0 0 3px rgba(107, 47, 160, .16);
}

.page-news .cadence__item:nth-child(2) .cadence__dot {
  background: var(--vine);
  box-shadow: 0 0 0 3px rgba(46, 139, 109, .18);
}

.page-news .cadence__item:nth-child(3) .cadence__dot {
  background: var(--gold);
  box-shadow: 0 0 0 3px rgba(217, 179, 108, .26);
}

.page-news .cadence__when {
  font-family: var(--font-mono);
  font-size: .74rem;
  letter-spacing: .1em;
  color: var(--grape);
  margin: 0 0 .25rem;
}

.page-news .cadence__item h3 {
  font-family: var(--font-title);
  font-size: 1.02rem;
  margin: 0 0 .35rem;
  color: var(--ink);
}

.page-news .cadence__item p {
  margin: 0;
  font-size: .88rem;
  line-height: 1.72;
  color: var(--ink-soft);
}

/* ---------- 延伸 ---------- */
.page-news .exit-grid {
  gap: 1rem;
}

.page-news .link-card {
  display: flex;
  flex-direction: column;
  gap: .35rem;
  padding: 1.1rem 1rem;
  text-decoration: none;
  color: inherit;
  border-left: 3px solid var(--grape);
  transition: border-color .2s ease, transform .2s ease;
}

.page-news .link-card:hover {
  border-left-color: var(--vine);
  transform: translateX(3px);
}

.page-news .link-card__kicker {
  font-family: var(--font-mono);
  font-size: .7rem;
  letter-spacing: .1em;
  color: var(--vine);
}

.page-news .link-card__title {
  font-family: var(--font-title);
  font-size: 1.02rem;
  line-height: 1.45;
  color: var(--grape-deep);
}

.page-news .link-card__desc {
  font-size: .85rem;
  line-height: 1.7;
  color: var(--ink-soft);
}

/* ---------- 媒体查询 ---------- */
@media (min-width: 560px) {
  .page-news .news-hero__facts {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    max-width: none;
  }

  .page-news .news-hero__fact {
    flex-direction: column;
    align-items: flex-start;
    gap: .2rem;
  }

  .page-news .news-stream {
    columns: 2;
  }
}

@media (min-width: 768px) {
  .page-news .news-hero {
    padding: 1.75rem 0 3rem;
  }

  .page-news .news-hero__sticker {
    display: inline-block;
    top: 2.25rem;
    right: 1rem;
  }

  .page-news .glance {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-news .sub-grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    align-items: start;
    gap: 1.75rem;
  }

  .page-news .cat-list__item {
    grid-template-columns: 9rem minmax(0, 1fr);
    gap: .8rem;
    align-items: baseline;
  }

  .page-news .cadence {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 1.15rem;
  }

  .page-news .cadence::before {
    content: "";
    position: absolute;
    top: 1.5rem;
    left: 1rem;
    right: 1rem;
    height: 1px;
    background: linear-gradient(90deg, var(--grape), var(--vine), var(--gold));
    opacity: .5;
  }

  .page-news .cadence__item {
    padding: 2.4rem 1rem 1.1rem;
  }

  .page-news .cadence__dot {
    top: 1.5rem;
    left: 1rem;
    transform: translateY(-50%);
    width: .7rem;
    height: .7rem;
  }
}

@media (min-width: 1000px) {
  .page-news .news-block {
    padding-block: 3rem;
  }

  .page-news .news-shell {
    grid-template-columns: 250px minmax(0, 1fr);
    gap: 2rem;
    align-items: start;
  }

  .page-news .news-shell__side {
    position: sticky;
    top: 1.5rem;
  }

  .page-news .news-side-media {
    display: block;
  }

  .page-news .news-filters {
    flex-direction: column;
    flex-wrap: nowrap;
    align-items: stretch;
  }

  .page-news .news-filters label {
    justify-content: space-between;
  }

  .page-news .news-stream {
    column-gap: 1.25rem;
  }

  .page-news .news-card {
    margin-bottom: 1.25rem;
  }

  .page-news .sub-mail {
    position: relative;
  }

  .page-news .sub-mail__figure {
    max-height: 220px;
  }

  .page-news .exit-grid {
    gap: 1.25rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-news .glance__card,
  .page-news .news-card,
  .page-news .news-card__sticker,
  .page-news .link-card {
    transition: none;
  }

  .page-news .glance__card:hover,
  .page-news .link-card:hover {
    transform: none;
  }
}
<<<END>>>