.page-news{
  background: var(--ink-900);
  color: var(--text);
  padding-bottom: clamp(48px,7vw,104px);
  overflow-x: clip;
}
.page-news .eyebrow{
  color: var(--stone);
  margin: 0 0 14px;
}
.page-news .num{
  font-family: var(--font-mono);
  font-weight: 600;
}

/* ---------- 首屏 ---------- */
.page-news .news-hero{
  padding: clamp(18px,3vw,34px) 0 clamp(30px,4.5vw,60px);
}
.page-news .news-hero__grid{
  display: grid;
  gap: clamp(24px,4vw,44px);
  align-items: end;
}
.page-news .news-hero__title{
  font-family: var(--font-display);
  font-weight: 300;
  font-size: clamp(42px,11vw,96px);
  line-height: .96;
  letter-spacing: -.02em;
  margin: 0 0 18px;
  color: var(--paper);
}
.page-news .news-hero__lede{
  max-width: 54ch;
  font-size: 16px;
  line-height: 1.75;
  color: var(--text-dim);
  margin: 0 0 26px;
}
.page-news .news-hero__meta{
  display: flex;
  flex-wrap: wrap;
  gap: 12px 28px;
  margin: 0;
  padding-top: 18px;
  border-top: 1px solid var(--line);
}
.page-news .news-hero__meta div{
  min-width: 96px;
}
.page-news .news-hero__meta dt{
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .14em;
  color: var(--stone);
  margin-bottom: 6px;
}
.page-news .news-hero__meta dd{
  margin: 0;
  font-size: 14px;
  color: var(--paper);
}
.page-news .news-hero__meta dd .num{
  color: var(--cyan);
  font-size: 18px;
  margin-right: .25em;
}
.page-news .news-hero__fig{
  margin: 0;
}
.page-news .news-hero__fig img{
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
  clip-path: polygon(0 0, 100% 0, 100% 88%, 0 100%);
  filter: saturate(.85) contrast(1.05);
}
.page-news .news-hero__fig figcaption{
  margin-top: 10px;
  font-size: 12px;
  line-height: 1.6;
  color: var(--stone);
}

/* ---------- 本期导读 ---------- */
.page-news .news-digest{
  padding: clamp(34px,5vw,68px) 0;
  background: var(--ink-800);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}
.page-news .news-digest__grid{
  display: grid;
  gap: clamp(26px,4vw,48px);
}
.page-news .news-digest h2{
  font-family: var(--font-display);
  font-weight: 300;
  font-size: clamp(28px,4.6vw,46px);
  line-height: 1.08;
  letter-spacing: -.01em;
  margin: 0 0 26px;
  color: var(--paper);
}
.page-news .digest-list{
  list-style: none;
  margin: 0;
  padding: 0;
}
.page-news .digest-list li + li{
  border-top: 1px solid var(--line);
}
.page-news .digest-list a{
  position: relative;
  display: grid;
  grid-template-columns: 34px 1fr;
  gap: 12px;
  padding: 16px 0 16px 12px;
  text-decoration: none;
  color: inherit;
  transition: background .2s var(--ease);
}
.page-news .digest-list a::before{
  content: "";
  position: absolute;
  left: 0;
  top: 12px;
  bottom: 12px;
  width: 2px;
  background: var(--cyan);
  transform: scaleY(0);
  transform-origin: top;
  transition: transform .2s var(--ease);
}
.page-news .digest-list a:hover,
.page-news .digest-list a:focus-visible{
  background: var(--ink-700);
}
.page-news .digest-list a:hover::before,
.page-news .digest-list a:focus-visible::before{
  transform: scaleY(1);
}
.page-news .digest-list__num{
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 600;
  color: var(--orange);
  padding-top: 3px;
}
.page-news .digest-list__body{
  display: block;
}
.page-news .digest-list__body strong{
  display: block;
  font-size: 16px;
  font-weight: 500;
  color: var(--paper);
  margin-bottom: 5px;
}
.page-news .digest-list__body span{
  display: block;
  font-size: 13.5px;
  line-height: 1.65;
  color: var(--text-dim);
}
.page-news .news-digest__cover{
  margin: 0;
}
.page-news .news-digest__cover img{
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
  border: 1px solid var(--line-strong);
  box-shadow: 10px 10px 0 rgba(180,85,47,.4);
}
.page-news .news-digest__cover figcaption{
  margin-top: 16px;
  font-size: 12px;
  color: var(--stone);
}

/* ---------- 主体：索引 + 条目 ---------- */
.page-news .news-body{
  display: grid;
  gap: clamp(26px,4vw,44px);
  padding-top: clamp(34px,5vw,68px);
}
.page-news .news-index__label{
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .14em;
  color: var(--stone);
  margin: 0 0 12px;
}
.page-news .news-index ul{
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 8px 18px;
}
.page-news .news-index a{
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 0;
  font-size: 13px;
  color: var(--text-dim);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color .2s var(--ease), border-color .2s var(--ease);
}
.page-news .news-index a::before{
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--line-strong);
  transition: background .2s var(--ease);
}
.page-news .news-index a:hover,
.page-news .news-index a:focus-visible{
  color: var(--paper);
  border-color: var(--line-strong);
}
.page-news .news-index a:hover::before,
.page-news .news-index a:focus-visible::before,
.page-news .news-index a.is-current::before{
  background: var(--orange);
}
.page-news .news-index a.is-current{
  color: var(--paper);
}

.page-news .news-block + .news-block{
  margin-top: clamp(40px,6vw,72px);
  padding-top: clamp(32px,5vw,56px);
  border-top: 1px solid var(--line);
}
.page-news .news-block__head{
  margin-bottom: clamp(18px,3vw,28px);
}
.page-news .news-block__head h2{
  font-family: var(--font-display);
  font-weight: 300;
  font-size: clamp(25px,4vw,40px);
  line-height: 1.12;
  letter-spacing: -.01em;
  margin: 0 0 14px;
  color: var(--paper);
}
.page-news .news-block__intro{
  max-width: 58ch;
  margin: 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--text-dim);
}
.page-news .news-legend{
  display: flex;
  gap: 18px;
  margin: 16px 0 0;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--text-dim);
}
.page-news .news-legend__item{
  display: inline-flex;
  align-items: center;
  gap: 7px;
}
.page-news .news-legend__swatch{
  width: 10px;
  height: 10px;
  display: inline-block;
}
.page-news .news-legend__swatch--red{ background: var(--red); }
.page-news .news-legend__swatch--yellow{ background: var(--yellow); }

/* 图片 */
.page-news .news-figure{
  margin: 0 0 clamp(20px,3vw,30px);
}
.page-news .news-figure img{
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
}
.page-news .news-figure figcaption{
  margin-top: 10px;
  font-size: 12px;
  line-height: 1.6;
  color: var(--stone);
}
.page-news .news-figure--slant img{
  clip-path: polygon(0 4%, 100% 0, 100% 100%, 0 96%);
}
.page-news .news-figure--frame img{
  aspect-ratio: 4 / 3;
  border: 1px solid var(--line-strong);
  padding: 6px;
  background: var(--ink-800);
}

/* 条目 */
.page-news .entry{
  border-bottom: 1px solid var(--line);
}
.page-news .entry summary{
  position: relative;
  display: grid;
  grid-template-columns: 30px minmax(0,1fr) 18px;
  align-items: start;
  gap: 10px;
  padding: 18px 0 18px 10px;
  cursor: pointer;
  list-style: none;
  transition: background .2s var(--ease);
}
.page-news .entry summary::-webkit-details-marker{ display: none; }
.page-news .entry summary::before{
  content: "";
  position: absolute;
  left: 0;
  top: 14px;
  bottom: 14px;
  width: 2px;
  background: var(--cyan);
  transform: scaleY(0);
  transform-origin: top;
  transition: transform .2s var(--ease);
}
.page-news .entry summary:hover,
.page-news .entry summary:focus-visible{
  background: var(--ink-800);
}
.page-news .entry summary:hover::before,
.page-news .entry summary:focus-visible::before,
.page-news .entry[open] summary::before{
  transform: scaleY(1);
}
.page-news .entry__num{
  font-family: var(--font-mono);
  font-size: 17px;
  font-weight: 600;
  color: var(--stone);
  padding-top: 2px;
  transition: color .2s var(--ease);
}
.page-news .entry[open] .entry__num{
  color: var(--cyan);
}
.page-news .entry__body{
  display: block;
  min-width: 0;
}
.page-news .entry__tags{
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  margin-bottom: 8px;
}
.page-news .entry-tag{
  display: inline-block;
  padding: 3px 9px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .06em;
  color: var(--paper);
}
.page-news .entry-tag--observe{ background: var(--terra); }
.page-news .entry-tag--update{ background: var(--ink-700); }
.page-news .entry-tag--topic{
  background: var(--red);
  color: var(--paper);
}
.page-news .entry-tag--tip{
  background: transparent;
  color: var(--ink-900);
  background: var(--cyan);
}
.page-news .entry__time{
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .08em;
  color: var(--stone);
}
.page-news .entry__title{
  display: block;
  font-size: 17px;
  font-weight: 500;
  line-height: 1.45;
  color: var(--paper);
  margin-bottom: 6px;
}
.page-news .entry__sum{
  display: block;
  font-size: 14px;
  line-height: 1.7;
  color: var(--text-dim);
}
.page-news .entry__toggle{
  position: relative;
  width: 14px;
  height: 14px;
  margin-top: 6px;
}
.page-news .entry__toggle::before,
.page-news .entry__toggle::after{
  content: "";
  position: absolute;
  background: var(--stone);
  transition: transform .2s var(--ease), background .2s var(--ease);
}
.page-news .entry__toggle::before{
  left: 0; right: 0; top: 6px; height: 2px;
}
.page-news .entry__toggle::after{
  top: 0; bottom: 0; left: 6px; width: 2px;
}
.page-news .entry[open] .entry__toggle::after{
  transform: scaleY(0);
}
.page-news .entry[open] .entry__toggle::before{
  background: var(--cyan);
}
.page-news .entry__more{
  padding: 0 0 22px 40px;
}
.page-news .entry__more p{
  margin: 0 0 12px;
  font-size: 14px;
  line-height: 1.8;
  color: var(--text-dim);
  max-width: 60ch;
}
.page-news .entry__link{
  margin: 4px 0 0;
}
.page-news .entry__link a{
  display: inline-block;
  font-size: 13px;
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(79,227,193,.4);
  padding-bottom: 2px;
}
.page-news .entry__link a:hover,
.page-news .entry__link a:focus-visible{
  border-bottom-color: var(--cyan);
}

/* ---------- 合作 ---------- */
.page-news .news-invite{
  margin-top: clamp(48px,7vw,96px);
  background: var(--paper);
  color: var(--ink-text);
  padding: clamp(34px,5vw,68px) 0;
  box-shadow: inset 0 8px 0 rgba(180,85,47,.35);
}
.page-news .news-invite .eyebrow{
  color: var(--terra);
}
.page-news .news-invite__inner{
  display: grid;
  gap: clamp(26px,4vw,48px);
}
.page-news .news-invite h2{
  font-family: var(--font-display);
  font-weight: 400;
  font-size: clamp(26px,4.4vw,42px);
  line-height: 1.14;
  letter-spacing: -.01em;
  margin: 0 0 16px;
  color: var(--ink-text);
}
.page-news .news-invite__text p{
  max-width: 56ch;
  margin: 0 0 14px;
  font-size: 15px;
  line-height: 1.78;
  color: #2b342f;
}
.page-news .news-invite__text .btn{
  margin-top: 10px;
  color: var(--ink-900);
}
.page-news .news-invite__list{
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 2px solid var(--ink-900);
}
.page-news .news-invite__list li{
  display: grid;
  grid-template-columns: 34px minmax(0,1fr);
  gap: 10px;
  padding: 14px 0;
  border-bottom: 1px solid rgba(16,22,19,.18);
  font-size: 14px;
  line-height: 1.6;
  color: var(--ink-text);
}
.page-news .news-invite__list .num{
  color: var(--terra);
  font-size: 13px;
}

/* ---------- 断点 ---------- */
@media (min-width: 760px){
  .page-news .news-hero__grid{
    grid-template-columns: minmax(0,7fr) minmax(0,5fr);
  }
  .page-news .news-digest__grid{
    grid-template-columns: minmax(0,7fr) minmax(0,5fr);
    align-items: start;
  }
  .page-news .news-invite__inner{
    grid-template-columns: minmax(0,7fr) minmax(0,5fr);
    align-items: start;
  }
  .page-news .entry summary{
    grid-template-columns: 52px minmax(0,1fr) 18px;
    gap: 14px;
    padding: 22px 0 22px 14px;
  }
  .page-news .entry__num{
    font-size: 24px;
  }
  .page-news .entry__title{
    font-size: 19px;
  }
  .page-news .entry__more{
    padding-left: 80px;
  }
}

@media (min-width: 1000px){
  .page-news .news-body{
    grid-template-columns: minmax(0,3fr) minmax(0,9fr);
    align-items: start;
  }
  .page-news .news-index{
    position: sticky;
    top: calc(var(--top-h) + 32px);
    align-self: start;
    border-top: 1px solid var(--line);
    padding-top: 16px;
  }
  .page-news .news-index ul{
    flex-direction: column;
    gap: 2px;
  }
  .page-news .news-index a{
    width: 100%;
    font-size: 13.5px;
    padding: 8px 0;
  }
  .page-news .news-block + .news-block{
    margin-top: clamp(48px,5vw,80px);
  }
}

@media (prefers-reduced-motion: reduce){
  .page-news .digest-list a,
  .page-news .digest-list a::before,
  .page-news .entry summary,
  .page-news .entry summary::before,
  .page-news .entry__toggle::before,
  .page-news .entry__toggle::after,
  .page-news .news-index a::before{
    transition: none;
  }
}
<<<END>>>