.page-news{
  --news-rail-w: 208px;
  --news-rule: rgba(234,242,247,.13);
  --news-rule-soft: rgba(234,242,247,.07);
  padding-block: clamp(1rem, 3vw, 1.75rem) clamp(3rem, 7vw, 5.5rem);
}

/* 页面头 */
.page-news .news-hero{
  position: relative;
  margin-top: clamp(.75rem, 2vw, 1.25rem);
  padding: clamp(1.4rem, 3.6vw, 2.6rem) clamp(1rem, 3.2vw, 2.4rem) clamp(1.9rem, 4.2vw, 3rem);
  border-left: 4px solid var(--orange);
  background:
    radial-gradient(120% 140% at 0% 0%, rgba(11,47,51,.92) 0%, rgba(11,47,51,.45) 46%, rgba(6,24,38,0) 78%),
    linear-gradient(112deg, rgba(255,107,26,.10) 0%, rgba(6,24,38,0) 46%);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 26px), 0 100%);
}

.page-news .news-h1{
  font-family: var(--font-heading);
  font-size: clamp(1.85rem, 5.6vw, 3.15rem);
  font-weight: 700;
  line-height: 1.14;
  letter-spacing: -.012em;
  color: var(--mist);
  margin: .55rem 0 .85rem;
  max-width: 21ch;
}

.page-news .news-lede{
  max-width: 62ch;
  font-size: clamp(.95rem, 2.2vw, 1.05rem);
  color: rgba(234,242,247,.8);
}

/* 报纸式双栏 */
.page-news .news-layout{
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(1.25rem, 3vw, 2.25rem);
  margin-top: clamp(1.25rem, 3vw, 2rem);
}

.page-news .news-main{
  min-width: 0;
  display: grid;
  gap: clamp(1.75rem, 4vw, 3rem);
}

/* 左侧分类轨道 */
.page-news .news-rail{
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(158px, 1fr));
  gap: .75rem;
  align-content: start;
  min-width: 0;
}

.page-news .rail-card{
  position: relative;
  padding: .85rem .9rem 1rem;
  border-radius: var(--r-sm) var(--r-md) var(--r-md) var(--r-sm);
  background: var(--surface);
  border-left: 3px solid var(--orange);
}

.page-news .rail-card--stat{
  border-left-color: var(--mint);
  background: linear-gradient(160deg, rgba(37,240,178,.10), rgba(234,242,247,.04) 62%);
}

.page-news .rail-card--quick{
  border-left-color: var(--gold);
}

.page-news .rail-title{
  font-family: var(--font-mono);
  font-size: .72rem;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--slate);
  margin: 0 0 .6rem;
}

.page-news .rail-list{
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: .1rem;
}

.page-news .rail-link{
  display: block;
  padding: .42rem .5rem .42rem .35rem;
  font-size: .88rem;
  color: rgba(234,242,247,.82);
  text-decoration: none;
  border-radius: var(--r-xs);
  border-left: 2px solid transparent;
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease), background-color var(--dur) var(--ease);
}

.page-news .rail-link:hover,
.page-news .rail-link:focus-visible{
  color: var(--mist);
  background: var(--surface-2);
  border-left-color: var(--orange);
}

.page-news .rail-num{
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1.7rem, 4.4vw, 2.1rem);
  line-height: 1;
  color: var(--mint);
  margin: 0 0 .4rem;
}

.page-news .rail-num small{
  font-family: var(--font-body);
  font-weight: 400;
  font-size: .72rem;
  letter-spacing: .02em;
  color: var(--slate);
  margin-left: .3rem;
}

.page-news .rail-note{
  margin: 0;
  font-size: .78rem;
  line-height: 1.6;
  color: rgba(234,242,247,.62);
}

.page-news .rail-quick{
  display: block;
  padding: .38rem 0;
  font-size: .86rem;
  color: var(--mist);
  text-decoration: none;
  border-bottom: 1px dashed var(--news-rule);
}

.page-news .rail-quick:last-child{ border-bottom: 0; }

.page-news .rail-quick:hover,
.page-news .rail-quick:focus-visible{ color: var(--gold); }

/* 头条 */
.page-news .lead-story{
  display: grid;
  gap: clamp(.9rem, 2.4vw, 1.6rem);
  padding-bottom: clamp(1.4rem, 3vw, 2rem);
  border-bottom: 2px solid rgba(255,107,26,.42);
}

.page-news .lead-media{
  display: block;
  overflow: hidden;
  border-radius: var(--r-md);
  background: var(--teal);
  clip-path: polygon(0 0, 100% 0, 100% 92%, 0 100%);
}

.page-news .lead-media img{
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  transition: transform var(--dur-slow) var(--ease);
}

.page-news .lead-media:hover img{ transform: scale(1.03); }

.page-news .lead-meta{
  margin: 0;
  color: var(--mint);
  font-size: .74rem;
  letter-spacing: .14em;
  text-transform: uppercase;
}

.page-news .lead-title{
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 4.3vw, 2.35rem);
  font-weight: 700;
  line-height: 1.14;
  letter-spacing: -.01em;
  color: var(--mist);
  margin: .4rem 0 .6rem;
}

.page-news .lead-dek{
  margin: 0 0 .85rem;
  color: rgba(234,242,247,.78);
  font-size: .95rem;
  line-height: 1.78;
}

.page-news .lead-points{
  list-style: none;
  margin: 0 0 .9rem;
  padding: 0;
  display: grid;
  gap: .4rem;
}

.page-news .lead-points li{
  position: relative;
  padding-left: 1.1rem;
  font-size: .88rem;
  line-height: 1.65;
  color: rgba(234,242,247,.84);
}

.page-news .lead-points li::before{
  content: "";
  position: absolute;
  left: 0;
  top: .58em;
  width: .46rem;
  height: .46rem;
  background: var(--orange);
  transform: skewX(var(--skew));
}

.page-news .lead-foot{ margin: 0; }

.page-news .lead-link{
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  padding: 0 .2rem;
  font-weight: 600;
  font-size: .92rem;
  color: var(--orange-lit);
  text-decoration: none;
  border-bottom: 1px solid rgba(255,138,69,.45);
}

.page-news .lead-link:hover,
.page-news .lead-link:focus-visible{ color: var(--gold); border-bottom-color: var(--gold); }

/* 资讯分组 */
.page-news .news-block{ scroll-margin-top: 5.5rem; }

.page-news .block-head{
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: .3rem .9rem;
  padding-bottom: .55rem;
  margin-bottom: .35rem;
  border-bottom: 2px solid rgba(37,240,178,.32);
}

.page-news .block-title{
  margin: 0;
  font-family: var(--font-heading);
  font-size: clamp(1.1rem, 2.8vw, 1.45rem);
  font-weight: 700;
  color: var(--mist);
  letter-spacing: .01em;
}

.page-news .block-note{
  margin: 0;
  font-size: .82rem;
  color: var(--slate);
}

.page-news .news-list{
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-news .news-item{
  padding: .95rem 0 1.05rem;
  border-bottom: 1px solid var(--news-rule);
}

.page-news .news-item:last-child{ border-bottom: 0; }

.page-news .news-item-head{
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: .5rem .75rem;
  margin-bottom: .38rem;
}

.page-news .news-time{
  font-size: .74rem;
  letter-spacing: .1em;
  color: var(--slate);
}

.page-news .news-item-title{
  margin: 0 0 .35rem;
  font-family: var(--font-heading);
  font-size: clamp(1rem, 2.5vw, 1.13rem);
  font-weight: 600;
  line-height: 1.5;
  color: var(--mist);
}

.page-news .news-item-dek{
  margin: 0;
  font-size: .9rem;
  line-height: 1.75;
  color: rgba(234,242,247,.7);
}

.page-news .news-item-more-link{
  margin: .5rem 0 0;
  font-size: .85rem;
}

.page-news .news-item-more-link a{
  color: var(--orange-lit);
  text-decoration: none;
  border-bottom: 1px dashed rgba(255,138,69,.5);
}

.page-news .news-item-more-link a:hover,
.page-news .news-item-more-link a:focus-visible{ color: var(--gold); }

.page-news .news-item--legacy{
  border-left: 2px solid rgba(242,193,92,.4);
  padding-left: .85rem;
  background: linear-gradient(90deg, rgba(75,18,32,.24), rgba(35,27,77,.05) 72%);
}

.page-news .news-more{
  margin-top: .55rem;
}

.page-news .news-more summary{
  display: inline-flex;
  align-items: center;
  gap: .4rem;
  min-height: 44px;
  padding-right: .25rem;
  list-style: none;
  cursor: pointer;
  font-family: var(--font-mono);
  font-size: .76rem;
  letter-spacing: .08em;
  color: var(--orange-lit);
}

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

.page-news .news-more summary::after{
  content: "＋";
  font-size: .95em;
  transition: transform var(--dur) var(--ease);
}

.page-news .news-more[open] summary::after{ transform: rotate(45deg); }

.page-news .news-more p{
  margin: .1rem 0 .3rem;
  padding-left: .85rem;
  border-left: 2px solid rgba(37,240,178,.4);
  font-size: .87rem;
  line-height: 1.75;
  color: rgba(234,242,247,.76);
}

/* 带配图的错位分组 */
.page-news .block--figure{ display: grid; grid-template-columns: minmax(0, 1fr); gap: 0; }

.page-news .block-head--fig{ grid-column: 1 / -1; }

.page-news .block--figure .news-list{ grid-column: 1; }

.page-news .block-figure{
  grid-column: 1;
  margin: 1rem 0 0;
  border-radius: var(--r-md);
  overflow: hidden;
  background: var(--teal);
  clip-path: polygon(0 0, 100% 0, 100% 94%, 0 100%);
}

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

.page-news .figure-cap{
  margin: 0;
  padding: .6rem .8rem .8rem;
  font-family: var(--font-mono);
  font-size: .72rem;
  line-height: 1.6;
  letter-spacing: .04em;
  color: var(--slate);
}

/* 专题系列 */
.page-news .series-section{
  display: grid;
  gap: clamp(1rem, 2.6vw, 1.6rem);
}

.page-news .series-intro{
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(1rem, 2.6vw, 1.75rem);
  align-items: start;
}

.page-news .series-copy p{
  margin: 0 0 .55rem;
  font-size: .93rem;
  line-height: 1.78;
  color: rgba(234,242,247,.76);
  max-width: 54ch;
}

.page-news .series-copy .section-title{
  margin: .3rem 0 .6rem;
  font-family: var(--font-heading);
  font-size: clamp(1.25rem, 3.4vw, 1.85rem);
  font-weight: 700;
  line-height: 1.24;
  color: var(--mist);
}

.page-news .series-figure{
  margin: 0;
  border-radius: var(--r-md);
  overflow: hidden;
  background: var(--indigo);
  clip-path: polygon(0 0, 100% 0, 100% 90%, 0 100%);
}

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

.page-news .series-track{
  display: flex;
  gap: .85rem;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  padding-bottom: .9rem;
  -webkit-overflow-scrolling: touch;
}

.page-news .series-card{
  flex: 0 0 min(74vw, 268px);
  scroll-snap-align: start;
  display: flex;
  flex-direction: column;
  gap: .45rem;
  padding: 1rem 1rem 1.15rem;
  border-radius: var(--r-sm) var(--r-sm) var(--r-md) var(--r-md);
  background: linear-gradient(168deg, rgba(35,27,77,.9), rgba(6,24,38,.55));
  border-top: 3px solid var(--gold);
}

.page-news .series-card:nth-child(2){ border-top-color: var(--mint); }
.page-news .series-card:nth-child(3){ border-top-color: var(--orange); }
.page-news .series-card:nth-child(4){ border-top-color: var(--wine); }

.page-news .series-index{
  margin: 0;
  font-size: .74rem;
  letter-spacing: .16em;
  color: var(--gold);
}

.page-news .series-name{
  margin: 0;
  font-family: var(--font-heading);
  font-size: 1.02rem;
  font-weight: 700;
  color: var(--mist);
}

.page-news .series-desc{
  margin: 0;
  font-size: .86rem;
  line-height: 1.72;
  color: rgba(234,242,247,.72);
}

.page-news .series-meta{
  margin: auto 0 0;
  padding-top: .5rem;
  font-size: .72rem;
  letter-spacing: .06em;
  color: var(--slate);
  border-top: 1px dashed var(--news-rule);
}

/* 旧版归档 */
.page-news .archive{
  scroll-margin-top: 5.5rem;
  padding: clamp(1.25rem, 3.4vw, 2.25rem);
  border-radius: var(--r-lg);
  border: 1px solid rgba(242,193,92,.22);
}

.page-news .archive-head{
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(1rem, 2.6vw, 1.75rem);
  align-items: start;
  margin-bottom: clamp(1.1rem, 2.6vw, 1.6rem);
}

.page-news .archive-title{
  margin: .35rem 0 .6rem;
  font-family: var(--font-heading);
  font-size: clamp(1.25rem, 3.4vw, 1.8rem);
  font-weight: 700;
  line-height: 1.26;
  color: var(--mist);
}

.page-news .archive-dek{
  margin: 0;
  max-width: 56ch;
  font-size: .92rem;
  line-height: 1.8;
  color: rgba(234,242,247,.78);
}

.page-news .archive-figure{
  margin: 0;
  border-radius: var(--r-md);
  overflow: hidden;
  background: var(--wine);
  clip-path: polygon(0 0, 100% 0, 100% 92%, 0 100%);
}

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

.page-news .arc-tabs{
  display: grid;
  gap: 1rem;
}

.page-news .arc-tabs .tab{
  border-radius: var(--r-xs) var(--r-xs) 0 0;
  font-family: var(--font-mono);
  font-size: .78rem;
  letter-spacing: .06em;
  min-height: 44px;
}

.page-news .arc-list{
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: .15rem;
}

.page-news .arc-item{
  display: grid;
  grid-template-columns: 3.6rem minmax(0, 1fr);
  gap: .8rem;
  padding: .85rem .2rem .85rem .6rem;
  border-left: 2px solid rgba(242,193,92,.42);
  border-bottom: 1px dashed rgba(234,242,247,.16);
}

.page-news .arc-item:last-child{ border-bottom: 0; }

.page-news .arc-year{
  font-size: .78rem;
  letter-spacing: .06em;
  color: var(--gold);
  padding-top: .1rem;
}

.page-news .arc-title{
  margin: 0 0 .2rem;
  font-size: .94rem;
  font-weight: 600;
  color: var(--mist);
  line-height: 1.5;
}

.page-news .arc-desc{
  margin: 0;
  font-size: .84rem;
  line-height: 1.7;
  color: rgba(234,242,247,.66);
}

/* 订阅更新 */
.page-news .subscribe-block{
  scroll-margin-top: 5.5rem;
  padding: clamp(1.25rem, 3.4vw, 2.25rem);
  border-radius: var(--r-lg);
  border: 1px solid rgba(37,240,178,.22);
  display: grid;
  gap: clamp(1rem, 2.6vw, 1.6rem);
}

.page-news .sub-title{
  margin: .35rem 0 .6rem;
  font-family: var(--font-heading);
  font-size: clamp(1.25rem, 3.4vw, 1.75rem);
  font-weight: 700;
  line-height: 1.26;
  color: var(--mist);
}

.page-news .sub-copy{
  margin: 0;
  max-width: 58ch;
  font-size: .92rem;
  line-height: 1.8;
  color: rgba(234,242,247,.78);
}

.page-news .sub-steps{
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: .8rem;
}

.page-news .sub-step{
  display: grid;
  grid-template-columns: 2.1rem minmax(0, 1fr);
  gap: .8rem;
  align-items: start;
  padding-bottom: .8rem;
  border-bottom: 1px dashed var(--news-rule);
}

.page-news .sub-step:last-child{ border-bottom: 0; padding-bottom: 0; }

.page-news .sub-num{
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.1rem;
  height: 2.1rem;
  border-radius: var(--r-xs);
  background: rgba(37,240,178,.14);
  color: var(--mint);
  font-size: .78rem;
  letter-spacing: .06em;
}

.page-news .sub-step p{
  margin: 0;
  font-size: .9rem;
  line-height: 1.72;
  color: rgba(234,242,247,.8);
}

.page-news .sub-links{
  display: flex;
  flex-wrap: wrap;
  gap: .6rem;
  margin: 0;
}

/* 桌面排版 */
@media (min-width: 900px){
  .page-news .news-layout{
    grid-template-columns: var(--news-rail-w) minmax(0, 1fr);
    gap: clamp(1.5rem, 3vw, 2.75rem);
    align-items: start;
  }

  .page-news .news-rail{
    grid-template-columns: minmax(0, 1fr);
    position: sticky;
    top: 6.5rem;
  }

  .page-news .lead-story{
    grid-template-columns: minmax(0, 1.04fr) minmax(0, 1fr);
    align-items: start;
  }

  .page-news .block--figure{
    grid-template-columns: minmax(0, 1fr) 286px;
    grid-template-areas:
      "head head"
      "list fig";
    column-gap: clamp(1rem, 2.6vw, 2rem);
  }

  .page-news .block-head--fig{ grid-area: head; }
  .page-news .block--figure .news-list{ grid-area: list; }

  .page-news .block--figure .block-figure{
    grid-area: fig;
    margin: 2.6rem 0 0;
  }

  .page-news .series-intro{
    grid-template-columns: minmax(0, 1.25fr) minmax(0, .85fr);
  }

  .page-news .archive-head{
    grid-template-columns: minmax(0, 1.3fr) minmax(0, .8fr);
  }

  .page-news .subscribe-block{
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    grid-template-areas:
      "head steps"
      "links steps";
    align-items: start;
    column-gap: clamp(1.25rem, 3vw, 2.5rem);
  }

  .page-news .sub-head{ grid-area: head; }
  .page-news .sub-steps{ grid-area: steps; }
  .page-news .sub-links{ grid-area: links; }
}

@media (min-width: 1120px){
  .page-news{
    --news-rail-w: 232px;
  }

  .page-news .series-card{
    flex: 0 0 calc((100% - 2.55rem) / 4);
    min-width: 0;
  }
}

@media (prefers-reduced-motion: reduce){
  .page-news .lead-media img,
  .page-news .news-more summary::after{
    transition: none;
  }
}