.page-news{
  --news-panel: rgba(18, 41, 61, .62);
  --news-panel-deep: rgba(8, 19, 31, .78);
  --news-rule: rgba(46, 90, 120, .42);
  --news-rule-soft: rgba(46, 90, 120, .24);
  --news-print: 5px 5px 0 rgba(6, 14, 23, .55);
  --news-gap: clamp(24px, 4vw, 56px);
  --news-scope: var(--yellow);
  --news-data: var(--bolt);
  --news-tools: var(--signal);
  --news-version: var(--steel);
  background:
    radial-gradient(1100px 520px at 88% -8%, rgba(0, 229, 255, .10), transparent 62%),
    linear-gradient(180deg, var(--night) 0%, var(--deep) 100%);
  color: var(--paper);
}

.page-news .news-hero{
  position: relative;
  isolation: isolate;
  overflow: hidden;
  padding: clamp(30px, 6vw, 68px) 0 clamp(36px, 7vw, 78px);
  border-bottom: 1px solid var(--news-rule-soft);
}

.page-news .news-hero::before{
  content: "";
  position: absolute;
  inset: -14% -12% 34% 30%;
  background: linear-gradient(118deg, var(--storm-blue) 0%, var(--cloud) 100%);
  transform: rotate(-7deg);
  z-index: -2;
}

.page-news .news-hero::after{
  content: "";
  position: absolute;
  top: -120px;
  right: -140px;
  width: 460px;
  height: 460px;
  border-radius: 50%;
  background: repeating-radial-gradient(circle, rgba(0, 229, 255, .18) 0 1px, transparent 1px 28px);
  z-index: -1;
  pointer-events: none;
}

.page-news .news-hero__body{
  display: grid;
  gap: 18px;
  max-width: 46em;
}

.page-news .news-hero__title{
  margin: 0;
  font-size: clamp(34px, 7.4vw, 58px);
  line-height: 1.02;
  letter-spacing: -.02em;
}

.page-news .news-hero__lead{
  margin: 0;
  max-width: 33em;
}

.page-news .news-hero__meta{
  list-style: none;
  margin: 6px 0 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-news .news-hero__meta li{
  display: grid;
  gap: 4px;
  padding-left: 14px;
  border-left: 2px solid var(--steel);
}

.page-news .news-hero__meta .data{
  font-size: 14px;
  color: var(--paper);
}

.page-news .news-hero__meta li:first-child .data{
  color: var(--bolt);
}

@media (min-width: 720px){
  .page-news .news-hero__meta{
    grid-template-columns: repeat(3, minmax(0, 1fr));
    max-width: 40em;
  }
}

/* ---------- 置顶专题 ---------- */

.page-news .news-feature{
  padding-block: var(--news-gap);
  border-bottom: 1px solid var(--news-rule-soft);
}

.page-news .news-feature__grid{
  display: grid;
  gap: 24px;
  margin-top: clamp(20px, 3vw, 34px);
}

.page-news .news-feature__island{
  display: grid;
  gap: 16px;
  background: var(--news-panel-deep);
  box-shadow: var(--news-print);
}

.page-news .news-chain{
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 10px;
  counter-reset: none;
}

.page-news .news-chain li{
  display: grid;
  grid-template-columns: 24px 1fr;
  gap: 10px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--news-rule-soft);
  font-size: 15px;
  line-height: 1.7;
}

.page-news .news-chain li:last-child{
  border-bottom: none;
  padding-bottom: 0;
}

.page-news .news-chain .mono{
  color: var(--bolt);
  font-weight: 700;
}

.page-news .news-feature__note{
  margin: 0;
  font-size: 15px;
  line-height: 1.75;
  color: rgba(232, 241, 248, .82);
  border-left: 3px solid var(--yellow);
  padding-left: 14px;
}

.page-news .news-feature__table{
  border: 1px solid var(--news-rule);
  background: rgba(8, 19, 31, .5);
}

.page-news .news-feature__table caption{
  text-align: left;
  padding: 12px 14px 0;
  color: var(--grey);
}

.page-news .news-feature__media{
  margin: 0;
  border: 1px solid var(--news-rule);
  background: var(--cloud);
  box-shadow: var(--news-print);
}

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

.page-news .news-feature__media img{
  aspect-ratio: 12 / 7;
}

.page-news .news-feature__media figcaption{
  padding: 10px 14px;
  color: var(--grey);
  border-top: 1px solid var(--news-rule-soft);
}

@media (min-width: 960px){
  .page-news .news-feature__grid{
    grid-template-columns: minmax(0, 1.15fr) minmax(0, .85fr);
    align-items: start;
    gap: 40px;
  }
  .page-news .news-feature__media{
    position: sticky;
    top: calc(var(--bar-h) + 24px);
  }
}

/* ---------- 栏目分类 ---------- */

.page-news .news-tabs{
  padding-block: var(--news-gap);
  background: linear-gradient(180deg, rgba(27, 58, 92, .38), rgba(8, 19, 31, 0));
  border-bottom: 1px solid var(--news-rule-soft);
}

.page-news .news-tabs__grid{
  display: grid;
  gap: 28px;
  margin-top: clamp(18px, 3vw, 28px);
}

.page-news .news-tabs__nav{
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 20px 0 24px;
}

.page-news .news-tab{
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 10px 14px;
  border: 1px solid var(--news-rule);
  border-left-width: 3px;
  background: rgba(8, 19, 31, .55);
  color: var(--paper);
  text-decoration: none;
  font-size: 13px;
  letter-spacing: .02em;
  transition: border-color 120ms var(--ease), background-color 120ms var(--ease), transform 120ms var(--ease);
}

.page-news .news-tab__count{
  color: var(--grey);
  font-size: 12px;
}

.page-news .news-tab:hover,
.page-news .news-tab:focus-visible{
  border-color: var(--bolt);
  background: rgba(0, 229, 255, .08);
  transform: translateY(-1px);
}

.page-news .news-tab--scope{ border-left-color: var(--news-scope); }
.page-news .news-tab--data{ border-left-color: var(--news-data); }
.page-news .news-tab--tools{ border-left-color: var(--news-tools); }
.page-news .news-tab--version{ border-left-color: var(--news-version); }

.page-news .news-legend{
  margin: 0;
  display: grid;
  gap: 14px;
}

.page-news .news-legend > div{
  padding-left: 14px;
  border-left: 1px solid var(--news-rule);
}

.page-news .news-legend dt{
  font-family: var(--font-serif);
  font-size: 17px;
  color: var(--paper);
  margin-bottom: 4px;
}

.page-news .news-legend dd{
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
  color: rgba(232, 241, 248, .74);
}

.page-news .news-tabs__media{
  margin: 0;
  border: 1px solid var(--news-rule);
  background: var(--cloud);
}

.page-news .news-tabs__media img{
  aspect-ratio: 3 / 2;
}

@media (min-width: 900px){
  .page-news .news-tabs__grid{
    grid-template-columns: minmax(0, 1.25fr) minmax(0, .75fr);
    align-items: start;
    gap: 44px;
  }
  .page-news .news-legend{
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 18px 26px;
  }
}

/* ---------- 条目索引 ---------- */

.page-news .news-index{
  padding-block: var(--news-gap);
  border-bottom: 1px solid var(--news-rule-soft);
}

.page-news .news-index__grid{
  display: grid;
  gap: 28px;
  margin-top: clamp(20px, 3vw, 32px);
}

.page-news .news-index__rail{
  border: 1px solid var(--news-rule);
  background: var(--news-panel);
  padding: 16px 16px 18px;
}

.page-news .news-index__rail .label{
  display: block;
  color: var(--grey);
  margin-bottom: 12px;
}

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

.page-news .news-index__list a{
  display: grid;
  grid-template-columns: 30px 1fr;
  gap: 10px;
  align-items: baseline;
  padding: 8px 6px;
  color: rgba(232, 241, 248, .82);
  text-decoration: none;
  font-size: 13.5px;
  line-height: 1.55;
  border-left: 2px solid transparent;
  transition: border-color 120ms var(--ease), color 120ms var(--ease), background-color 120ms var(--ease);
}

.page-news .news-index__list a .mono{
  color: var(--steel);
}

.page-news .news-index__list a:hover,
.page-news .news-index__list a:focus-visible{
  border-left-color: var(--bolt);
  background: rgba(0, 229, 255, .07);
  color: var(--paper);
}

.page-news .news-index__list a:hover .mono,
.page-news .news-index__list a:focus-visible .mono{
  color: var(--bolt);
}

.page-news .news-index__stream{
  display: grid;
  gap: 0;
  min-width: 0;
}

.page-news .band{
  display: grid;
  gap: 4px;
  padding: 14px 16px;
  margin-top: 26px;
  border-left: 4px solid var(--news-version);
  background: linear-gradient(90deg, rgba(18, 41, 61, .85), rgba(8, 19, 31, .1));
}

.page-news .band:first-child{
  margin-top: 0;
}

.page-news .band--scope{ border-left-color: var(--news-scope); }
.page-news .band--data{ border-left-color: var(--news-data); }
.page-news .band--tools{ border-left-color: var(--news-tools); }
.page-news .band--version{ border-left-color: var(--news-version); }

.page-news .band__title{
  margin: 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 20px;
  letter-spacing: -.01em;
}

.page-news .band__note{
  margin: 0;
  font-size: 13px;
  line-height: 1.65;
  color: var(--grey);
}

.page-news .entry{
  position: relative;
  border-bottom: 1px solid var(--news-rule-soft);
  background: transparent;
  transition: background-color 140ms var(--ease);
}

.page-news .entry::before{
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 3px;
  background: var(--bolt);
  transform: scaleY(0);
  transform-origin: top center;
  transition: transform 140ms var(--ease);
}

.page-news .entry:hover,
.page-news .entry:focus-within,
.page-news .entry:target{
  background: rgba(0, 229, 255, .05);
}

.page-news .entry:hover::before,
.page-news .entry:focus-within::before,
.page-news .entry:target::before,
.page-news .entry[open]::before{
  transform: scaleY(1);
}

.page-news .entry__head{
  display: grid;
  grid-template-columns: 40px 1fr;
  gap: 6px 12px;
  align-items: baseline;
  padding: 18px 16px 18px 18px;
  cursor: pointer;
  list-style: none;
}

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

.page-news .entry__head::marker{
  content: "";
}

.page-news .entry__num{
  grid-row: span 2;
  font-size: 15px;
  font-weight: 700;
  color: var(--data-yellow-fallback, var(--yellow));
}

.page-news .entry__title{
  font-family: var(--font-serif);
  font-size: 17px;
  line-height: 1.45;
  color: var(--paper);
}

.page-news .entry__stage{
  font-size: 12px;
  color: var(--grey);
}

.page-news .entry[open] .entry__title{
  color: var(--bolt);
}

.page-news .entry__body{
  padding: 0 18px 20px 70px;
  display: grid;
  gap: 12px;
}

.page-news .entry__body p{
  margin: 0;
  font-size: 15px;
  line-height: 1.75;
  color: rgba(232, 241, 248, .85);
  max-width: 36em;
}

.page-news .entry__sign{
  font-size: 12px;
  color: var(--grey);
  padding-top: 6px;
  border-top: 1px solid var(--news-rule-soft);
}

.page-news .tag{
  justify-self: start;
  font-size: 11px;
  letter-spacing: .08em;
  text-transform: uppercase;
  padding: 3px 8px;
  border: 1px solid var(--steel);
  color: var(--paper);
  background: rgba(8, 19, 31, .6);
}

.page-news .tag--scope{ border-color: var(--news-scope); color: var(--news-scope); }
.page-news .tag--data{ border-color: var(--news-data); color: var(--news-data); }
.page-news .tag--tools{ border-color: var(--news-tools); color: var(--news-tools); }
.page-news .tag--version{ border-color: var(--news-version); color: var(--grey); }

@media (min-width: 700px){
  .page-news .entry__head{
    grid-template-columns: 46px 1fr auto;
    align-items: center;
    gap: 10px 18px;
  }
  .page-news .entry__num{
    grid-row: auto;
  }
  .page-news .entry__stage{
    grid-column: 2 / 3;
    grid-row: 2;
  }
  .page-news .tag{
    grid-column: 3 / 4;
    grid-row: 1 / 3;
    justify-self: end;
  }
  .page-news .entry__body{
    padding-left: 82px;
  }
}

@media (min-width: 1024px){
  .page-news .news-index__grid{
    grid-template-columns: 268px minmax(0, 1fr);
    gap: 48px;
    align-items: start;
  }
  .page-news .news-index__rail{
    position: sticky;
    top: calc(var(--bar-h) + 24px);
    max-height: calc(100vh - var(--bar-h) - 48px);
    overflow-y: auto;
  }
}

/* ---------- 更新节奏 ---------- */

.page-news .news-rhythm{
  padding-block: var(--news-gap);
  background: linear-gradient(180deg, rgba(8, 19, 31, 0), rgba(18, 41, 61, .5));
  border-bottom: 1px solid var(--news-rule-soft);
}

.page-news .news-rhythm__band{
  margin: clamp(20px, 3vw, 30px) 0 24px;
  border: 1px solid var(--news-rule);
  background: var(--cloud);
}

.page-news .news-rhythm__band img{
  aspect-ratio: 35 / 9;
}

.page-news .news-rhythm__table{
  border: 1px solid var(--news-rule);
  background: rgba(8, 19, 31, .45);
}

.page-news .news-rhythm__table caption{
  text-align: left;
  padding: 12px 14px 0;
  color: var(--grey);
}

.page-news .news-rhythm__foot{
  margin: 18px 0 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--grey);
  max-width: 42em;
  padding-left: 14px;
  border-left: 2px solid var(--steel);
}

/* ---------- 订阅与回溯 ---------- */

.page-news .news-back{
  padding-block: var(--news-gap) clamp(40px, 7vw, 84px);
}

.page-news .news-back__wash{
  margin: 0 0 clamp(24px, 4vw, 44px);
  border: 1px solid var(--news-rule);
  background: var(--night);
}

.page-news .news-back__wash img{
  aspect-ratio: 5 / 2;
  opacity: .82;
}

.page-news .news-back__grid{
  display: grid;
  gap: 18px;
  margin-top: clamp(20px, 3vw, 30px);
}

.page-news .news-back__island{
  display: grid;
  gap: 12px;
  align-content: start;
  background: var(--news-panel-deep);
  box-shadow: var(--news-print);
}

.page-news .news-back__island--cut{
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 22px), calc(100% - 22px) 100%, 0 100%);
}

.page-news .news-back__island p{
  margin: 0;
  font-size: 14.5px;
  line-height: 1.72;
  color: rgba(232, 241, 248, .82);
}

.page-news .news-back__btn{
  justify-self: start;
  text-decoration: none;
}

.page-news .news-back__links{
  list-style: none;
  margin: clamp(24px, 3vw, 34px) 0 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-news .news-back__links li{
  padding-bottom: 12px;
  border-bottom: 1px solid var(--news-rule-soft);
}

.page-news .news-link{
  position: relative;
  display: inline-block;
  color: var(--bolt);
  text-decoration: none;
  font-size: 14.5px;
  padding-bottom: 2px;
}

.page-news .news-link::after{
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 100%;
  height: 1px;
  background: currentColor;
  transform: scaleX(0);
  transform-origin: left center;
  transition: transform 120ms var(--ease);
}

.page-news .news-link:hover::after,
.page-news .news-link:focus-visible::after{
  transform: scaleX(1);
}

@media (min-width: 860px){
  .page-news .news-back__grid{
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 22px;
  }
  .page-news .news-back__links{
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 14px 32px;
  }
}

.page-news {
  --data-yellow-fallback: currentColor;
}