.page-news{
  --news-line: rgba(201, 162, 39, 0.28);
  --news-card: #12293D;
  --news-soft: rgba(242, 237, 227, 0.74);
  background: var(--ink);
  color: var(--paper);
  font-family: var(--sans);
  overflow-x: hidden;
}

.page-news h1,
.page-news h2,
.page-news h3,
.page-news h4{
  font-family: var(--serif);
  font-weight: 700;
  letter-spacing: -0.01em;
  margin: 0;
  line-height: 1.28;
}

.page-news h2{
  font-size: clamp(1.65rem, 3.4vw, 2.5rem);
}

.page-news p{
  margin: 0;
  line-height: 1.85;
}

.page-news .news-crumb{
  padding: clamp(18px, 3vw, 30px) 0 0;
}

.page-news .news-crumb .breadcrumb{
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.1em;
}

.page-news .news-crumb .breadcrumb a{
  color: var(--stone);
  text-decoration: none;
}

.page-news .news-crumb .breadcrumb a:hover,
.page-news .news-crumb .breadcrumb a:focus-visible{
  color: var(--amber);
}

/* ---------- 首屏 ---------- */
.page-news .news-hero{
  position: relative;
  padding: clamp(30px, 5vw, 64px) 0 clamp(48px, 7vw, 92px);
  border-bottom: 1px solid var(--line-dark);
  background-image:
    linear-gradient(to right, rgba(154, 167, 177, 0.07) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(154, 167, 177, 0.07) 1px, transparent 1px);
  background-size: var(--grid-unit) var(--grid-unit);
  background-position: center top;
}

.page-news .news-hero-grid{
  display: grid;
  gap: clamp(32px, 5vw, 56px);
  align-items: end;
}

.page-news .news-hero-copy h1{
  font-size: clamp(2rem, 6vw, 3.6rem);
  margin-top: 14px;
  max-width: 18ch;
}

.page-news .news-lead{
  margin-top: 22px;
  max-width: 56ch;
  font-size: clamp(1rem, 1.6vw, 1.1rem);
  color: var(--news-soft);
}

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

.page-news .news-figures{
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px 20px;
  margin: 36px 0 0;
  padding-top: 22px;
  border-top: 1px solid var(--line-stone);
}

.page-news .news-figures dt{
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--stone);
  margin-bottom: 6px;
}

.page-news .news-figures dd{
  margin: 0;
  font-family: var(--serif);
  font-size: clamp(1.25rem, 2.4vw, 1.6rem);
  font-weight: 700;
  color: var(--white);
}

.page-news .news-hero-visual{
  border: 1px solid var(--line-dark);
  padding: clamp(10px, 2vw, 20px);
  background: rgba(11, 27, 43, 0.5);
}

.page-news .news-hero-visual svg{
  display: block;
  width: 100%;
  height: auto;
}

/* ---------- 记录流 ---------- */
.page-news .news-stream{
  padding: clamp(52px, 8vw, 108px) 0;
}

.page-news .news-stream-head{
  max-width: 66ch;
}

.page-news .news-stream-note{
  margin-top: 16px;
  color: var(--news-soft);
  font-size: 16px;
}

.page-news .news-filters{
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  list-style: none;
  margin: 26px 0 0;
  padding: 0;
}

.page-news .news-filters a{
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 7px 14px;
  border: 1px solid var(--line-stone);
  color: var(--stone);
  font-family: var(--mono);
  font-size: 12.5px;
  letter-spacing: 0.08em;
  text-decoration: none;
  transition: color 0.16s linear, border-color 0.16s linear, transform 0.16s var(--ease);
}

.page-news .news-filters a::before{
  content: "";
  width: 7px;
  height: 7px;
  background: var(--stone);
}

.page-news .news-filters a.is-clay::before{ background: var(--clay); }
.page-news .news-filters a.is-moss::before{ background: var(--moss); }
.page-news .news-filters a.is-amber::before{ background: var(--amber); }
.page-news .news-filters a.is-signal::before{ background: var(--signal); }

.page-news .news-filters a:hover,
.page-news .news-filters a:focus-visible{
  color: var(--paper);
  border-color: var(--amber);
  transform: translateY(-2px);
}

.page-news .news-banner{
  margin: clamp(26px, 4vw, 44px) 0 clamp(36px, 5vw, 60px);
  border: 1px solid var(--line-stone);
  padding: 6px;
  background: rgba(18, 41, 61, 0.55);
}

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

.page-news .media-caption{
  display: block;
  margin-top: 10px;
  font-family: var(--mono);
  font-size: 11.5px;
  letter-spacing: 0.08em;
  color: var(--stone);
}

.page-news .news-timeline{
  position: relative;
  padding-left: clamp(18px, 3vw, 38px);
}

.page-news .news-timeline::before{
  content: "";
  position: absolute;
  left: 0;
  top: 4px;
  bottom: 0;
  width: 1px;
  background: linear-gradient(to bottom, transparent, var(--news-line) 6%, var(--news-line) 94%, transparent);
}

.page-news .news-group{
  scroll-margin-top: 110px;
}

.page-news .news-group + .news-group{
  margin-top: clamp(44px, 6vw, 76px);
}

.page-news .news-group-head{
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 12px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--line-stone);
  margin-bottom: 24px;
  position: relative;
}

.page-news .news-group-head::before{
  content: "";
  position: absolute;
  left: calc(-1 * clamp(18px, 3vw, 38px));
  bottom: -4px;
  width: 9px;
  height: 9px;
  background: var(--amber);
  transform: translateX(-4px) rotate(45deg);
}

.page-news .news-group-head h3{
  font-size: clamp(1.25rem, 2.4vw, 1.6rem);
}

.page-news .news-group-code{
  color: var(--amber);
  font-size: 12.5px;
  letter-spacing: 0.14em;
}

.page-news .news-group-list{
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 16px;
}

.page-news .news-entry{
  position: relative;
  padding: clamp(18px, 2.4vw, 26px) clamp(18px, 2.6vw, 30px);
  background: var(--news-card);
  border: 1px solid var(--line-stone);
  transition: border-color 0.16s linear, transform 0.32s var(--ease), box-shadow 0.32s var(--ease);
}

.page-news .news-entry::before{
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 3px;
  background: var(--stone);
}

.page-news .news-entry--clay::before{ background: var(--clay); }
.page-news .news-entry--moss::before{ background: var(--moss); }
.page-news .news-entry--amber::before{ background: var(--amber); }
.page-news .news-entry--signal::before{ background: var(--signal); }

.page-news .news-entry:hover,
.page-news .news-entry:focus-within{
  border-color: var(--news-line);
  box-shadow: 0 18px 34px -26px rgba(0, 0, 0, 0.8);
}

.page-news .news-entry-meta{
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  margin-bottom: 12px;
}

.page-news .news-code{
  font-size: 12.5px;
  color: var(--stone);
  letter-spacing: 0.1em;
}

.page-news .news-entry h4{
  font-size: clamp(1.02rem, 1.9vw, 1.2rem);
  color: var(--paper);
}

.page-news .news-entry-brief{
  margin-top: 8px;
  font-size: 15px;
  color: var(--news-soft);
}

.page-news .disclosure{
  margin-top: 14px;
}

.page-news .disclosure-trigger{
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: none;
  border: 0;
  padding: 4px 0;
  cursor: pointer;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--amber);
}

.page-news .disclosure-trigger::after{
  content: "";
  width: 7px;
  height: 7px;
  border-right: 1.5px solid currentColor;
  border-bottom: 1.5px solid currentColor;
  transform: rotate(45deg);
  transition: transform 0.2s var(--ease);
}

.page-news .disclosure[data-open] .disclosure-trigger::after{
  transform: rotate(225deg);
}

.page-news .disclosure-trigger:hover,
.page-news .disclosure-trigger:focus-visible{
  color: var(--signal);
}

.page-news .disclosure-body p{
  margin-top: 10px;
  font-size: 15px;
  color: var(--news-soft);
  max-width: 62ch;
}

/* ---------- V4 结构 ---------- */
.page-news .news-structure{
  padding: clamp(52px, 8vw, 104px) 0;
}

.page-news .news-structure-grid{
  display: grid;
  gap: clamp(30px, 5vw, 56px);
  align-items: start;
}

.page-news .news-structure-copy > p{
  margin-top: 18px;
  max-width: 60ch;
  color: rgba(11, 27, 43, 0.78);
}

.page-news .news-structure .eyebrow{
  color: var(--clay);
}

.page-news .news-levels{
  list-style: none;
  margin: 30px 0 0;
  padding: 0;
  display: grid;
  gap: 2px;
  counter-reset: none;
}

.page-news .news-levels li{
  display: grid;
  grid-template-columns: 46px minmax(0, 1fr);
  gap: 14px;
  padding: 14px 0;
  border-top: 1px solid var(--line-ink);
}

.page-news .news-levels li:last-child{
  border-bottom: 1px solid var(--line-ink);
}

.page-news .news-levels .data{
  font-size: 12.5px;
  letter-spacing: 0.12em;
  color: var(--clay);
  padding-top: 3px;
}

.page-news .news-levels strong{
  display: block;
  font-family: var(--serif);
  font-size: 1.02rem;
  color: var(--ink);
}

.page-news .news-levels p{
  margin-top: 4px;
  font-size: 14.5px;
  color: rgba(11, 27, 43, 0.68);
}

.page-news .news-structure-note{
  margin-top: 24px;
  padding-left: 16px;
  border-left: 2px solid var(--amber);
  font-size: 15px;
  color: rgba(11, 27, 43, 0.8);
}

.page-news .news-structure-note a{
  color: var(--clay);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-news .news-structure-note a:hover{
  color: var(--signal);
}

.page-news .news-structure-figure{
  margin: 0;
  border: 1px solid var(--line-ink);
  padding: 8px;
  background: var(--paper-2);
  box-shadow: var(--shadow-paper);
}

.page-news .news-structure-figure img{
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
}

.page-news .news-structure-figure .media-caption{
  color: rgba(11, 27, 43, 0.6);
}

/* ---------- 版本演进 ---------- */
.page-news .news-versions{
  padding: clamp(52px, 8vw, 104px) 0;
  border-top: 1px solid var(--line-dark);
}

.page-news .news-versions-head{
  max-width: 60ch;
  margin-bottom: clamp(28px, 4vw, 48px);
}

.page-news .news-versions-grid{
  display: grid;
  gap: clamp(28px, 4vw, 48px);
  align-items: start;
}

.page-news .news-versions-figure{
  margin: 0;
  border: 1px solid var(--line-stone);
  padding: 6px;
  background: rgba(18, 41, 61, 0.6);
}

.page-news .news-versions-figure img{
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
}

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

.page-news .news-version-item{
  display: grid;
  grid-template-columns: 44px minmax(0, 1fr);
  gap: 16px;
  padding: 18px 4px 18px 0;
  border-top: 1px solid var(--line-stone);
  outline: none;
  transition: background 0.2s linear;
}

.page-news .news-version-item:last-child{
  border-bottom: 1px solid var(--line-stone);
}

.page-news .news-version-item:hover,
.page-news .news-version-item:focus-visible{
  background: rgba(201, 162, 39, 0.06);
}

.page-news .news-version-tag{
  align-self: start;
  padding: 4px 0;
  font-size: 13px;
  letter-spacing: 0.1em;
  color: var(--stone);
  border-top: 1px solid var(--line-stone);
  transition: color 0.16s linear, border-color 0.16s linear;
}

.page-news .news-version-item:hover .news-version-tag,
.page-news .news-version-item:focus-visible .news-version-tag{
  color: var(--signal);
  border-color: var(--signal);
}

.page-news .news-version-item--now .news-version-tag{
  color: var(--amber);
  border-color: var(--amber);
}

.page-news .news-version-body h3{
  font-size: 1.08rem;
  color: var(--paper);
}

.page-news .news-version-brief{
  margin-top: 6px;
  font-size: 15px;
  color: var(--news-soft);
}

.page-news .news-version-detail{
  max-height: 0;
  overflow: hidden;
  opacity: 0;
  font-size: 14.5px;
  color: var(--stone);
  transition: max-height 0.32s var(--ease), opacity 0.28s linear, margin-top 0.32s var(--ease);
}

.page-news .news-version-item:hover .news-version-detail,
.page-news .news-version-item:focus-visible .news-version-detail,
.page-news .news-version-item:focus-within .news-version-detail{
  max-height: 12rem;
  opacity: 1;
  margin-top: 10px;
}

.page-news .news-versions-tail{
  margin-top: clamp(26px, 4vw, 40px);
  font-size: 15px;
  color: var(--news-soft);
  max-width: 62ch;
}

.page-news .news-versions-tail a{
  color: var(--amber);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-news .news-versions-tail a:hover{
  color: var(--signal);
}

/* ---------- 归档摘要 ---------- */
.page-news .news-digest{
  padding: clamp(52px, 8vw, 104px) 0;
  background: var(--ink-2);
  border-top: 1px solid var(--line-dark);
  border-bottom: 1px solid var(--line-dark);
}

.page-news .news-digest-grid{
  display: grid;
  gap: clamp(28px, 4vw, 52px);
  align-items: center;
}

.page-news .news-digest-card{
  position: relative;
  background: var(--paper);
  color: var(--ink);
  padding: clamp(24px, 3.4vw, 44px);
  box-shadow: var(--shadow-paper);
}

.page-news .news-digest-card::after{
  content: "";
  position: absolute;
  inset: 8px;
  border: 1px solid rgba(11, 27, 43, 0.14);
  pointer-events: none;
}

.page-news .news-digest-card .eyebrow{
  color: var(--clay);
}

.page-news .news-digest-card h2{
  margin-top: 10px;
}

.page-news .news-digest-lead{
  margin-top: 14px;
  font-size: 15.5px;
  color: rgba(11, 27, 43, 0.76);
  max-width: 52ch;
}

.page-news .news-digest-list{
  list-style: none;
  margin: 24px 0 0;
  padding: 0;
  display: grid;
  gap: 1px;
  border-top: 1px solid var(--line-ink);
}

.page-news .news-digest-list li{
  display: grid;
  grid-template-columns: 40px minmax(0, 1fr);
  gap: 12px;
  padding: 12px 0;
  border-bottom: 1px solid var(--line-ink);
  font-size: 15px;
  color: var(--ink);
}

.page-news .news-digest-list .data{
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--clay);
}

.page-news .news-digest-fit{
  margin-top: 20px;
  font-size: 14.5px;
  color: rgba(11, 27, 43, 0.72);
  max-width: 54ch;
}

.page-news .news-digest-fit a{
  color: var(--clay);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-news .news-digest-fit a:hover{
  color: var(--signal);
}

.page-news .news-digest-actions{
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 24px;
}

.page-news .news-digest-figure{
  margin: 0;
  border: 1px solid var(--line-stone);
  padding: 6px;
  background: rgba(11, 27, 43, 0.6);
}

.page-news .news-digest-figure img{
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
}

/* ---------- 分类索引 ---------- */
.page-news .news-cats{
  padding: clamp(52px, 8vw, 104px) 0;
}

.page-news .news-cats-head{
  max-width: 60ch;
  margin-bottom: clamp(26px, 4vw, 44px);
}

.page-news .news-cats-lead{
  margin-top: 14px;
  font-size: 15.5px;
  color: var(--news-soft);
}

.page-news .news-cat-grid{
  display: grid;
  gap: 16px;
}

.page-news .news-cat{
  border: 1px solid var(--line-stone);
  border-top-width: 2px;
  padding: 22px 20px 20px;
  background: rgba(18, 41, 61, 0.55);
  transition: transform 0.24s var(--ease), border-color 0.16s linear;
}

.page-news .news-cat:hover{
  transform: translateY(-3px);
}

.page-news .news-cat--clay{ border-top-color: var(--clay); }
.page-news .news-cat--moss{ border-top-color: var(--moss); }
.page-news .news-cat--amber{ border-top-color: var(--amber); }
.page-news .news-cat--signal{ border-top-color: var(--signal); }

.page-news .news-cat-code{
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--stone);
}

.page-news .news-cat h3{
  margin-top: 8px;
  font-size: 1.15rem;
  color: var(--paper);
}

.page-news .news-cat-fact{
  margin-top: 10px;
  font-family: var(--mono);
  font-size: 13px;
  letter-spacing: 0.04em;
  color: var(--amber);
  line-height: 1.7;
}

.page-news .news-cat-dir{
  margin-top: 10px;
  font-size: 14.5px;
  color: var(--news-soft);
}

.page-news .news-cat a{
  display: inline-block;
  margin-top: 16px;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--signal);
  text-decoration: none;
  border-bottom: 1px solid transparent;
}

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

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

@media (min-width: 900px){
  .page-news .news-group-list > li:nth-child(even){
    margin-left: 28px;
  }

  .page-news .news-versions-grid{
    grid-template-columns: minmax(0, 4fr) minmax(0, 6fr);
  }

  .page-news .news-digest-grid{
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
  }

  .page-news .news-structure-grid{
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
  }
}

@media (min-width: 1000px){
  .page-news .news-hero-grid{
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    align-items: center;
  }

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

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

  .page-news .news-structure-figure{
    margin-left: auto;
  }
}

@media (prefers-reduced-motion: reduce){
  .page-news .news-entry,
  .page-news .news-cat,
  .page-news .news-filters a{
    transition: none;
  }

  .page-news .news-version-detail{
    transition: none;
  }
}
<<<END>>>