.page-news{
  --news-rail-w: 15rem;
  --news-gap: clamp(1.25rem, 3.5vw, 2.5rem);
  --news-line: rgba(201, 162, 39, 0.28);
  --news-line-soft: rgba(201, 162, 39, 0.14);
  background: var(--color-black);
  color: var(--color-white);
}

.page-news img{
  max-width: 100%;
  height: auto;
}

/* ===== Hero / 面包屑 ===== */
.page-news .news-hero{
  padding-block: clamp(2rem, 5vw, 4.5rem);
  border-bottom: 1px solid var(--color-gold-line);
}
.page-news .news-hero__crumbs{
  margin-bottom: clamp(1.5rem, 4vw, 3rem);
}
.page-news .news-hero__sep{
  margin: 0 0.5rem;
  color: var(--color-gold-line);
  font-family: var(--font-mono);
}
.page-news .news-hero__grid{
  display: grid;
  gap: clamp(1.25rem, 3vw, 2rem);
}
.page-news .news-hero__copy{
  max-width: 72ch;
}
.page-news .news-hero__eyebrow{
  color: var(--color-gold);
  margin-bottom: 1.25rem;
}
.page-news .news-hero h1{
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(2.25rem, 6vw, 4.5rem);
  line-height: 1.04;
  letter-spacing: 0.005em;
  margin: 0 0 1.25rem;
  color: var(--color-white);
}
.page-news .news-hero__lead{
  color: var(--color-silver);
  font-size: clamp(1rem, 1.5vw, 1.125rem);
  line-height: 1.8;
  margin: 0;
  max-width: 64ch;
}

/* ===== 图片框景 ===== */
.page-news figure{
  margin: 0;
}
.page-news .news-hero__media,
.page-news .news-versions__media,
.page-news .news-rhythm__media,
.page-news .news-topics__media{
  position: relative;
  border: 1px solid var(--color-gold-line);
  background: var(--color-dark);
}
.page-news .news-hero__media img,
.page-news .news-versions__media img,
.page-news .news-rhythm__media img,
.page-news .news-topics__media img{
  display: block;
  width: 100%;
}
.page-news .news-hero__media figcaption,
.page-news .news-versions__media figcaption,
.page-news .news-rhythm__media figcaption,
.page-news .news-topics__media figcaption{
  border-top: 1px solid var(--news-line-soft);
  padding: 0.75rem 1rem;
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  color: var(--color-silver);
  letter-spacing: 0.03em;
  line-height: 1.5;
}
.page-news .news-hero__media::before,
.page-news .news-versions__media::before,
.page-news .news-rhythm__media::before,
.page-news .news-topics__media::before{
  content: "";
  position: absolute;
  top: -1px;
  left: -1px;
  width: 3rem;
  height: 3px;
  background: var(--color-gold);
  z-index: 1;
}
.page-news .news-versions__media{
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 1.25rem), calc(100% - 1.25rem) 100%, 0 100%);
}
.page-news .news-versions__media figcaption{
  padding-right: 2rem;
}

/* ===== 01 近期更新 / 杂志目录 ===== */
.page-news .news-directory{
  display: grid;
  gap: var(--news-gap);
  align-items: start;
}
.page-news .news-directory__rail{
  position: relative;
  border-left: 2px solid var(--color-gold);
  padding: 0.35rem 0 0 1.1rem;
}
.page-news .news-directory__label{
  margin: 0 0 0.65rem;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--color-gold);
}
.page-news .news-tabs{
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}
.page-news .news-tabs__item{
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  letter-spacing: 0.08em;
  color: var(--color-silver);
  border: 1px solid var(--color-gold-line);
  padding: 0.4rem 0.85rem;
  line-height: 1.4;
  background: var(--color-dark);
}
.page-news .news-tabs__item.is-active{
  color: var(--color-black);
  background: var(--color-gold);
  border-color: var(--color-gold);
  font-weight: 700;
}
.page-news .news-directory__note{
  margin: 0.85rem 0 0;
  font-size: 0.8125rem;
  line-height: 1.7;
  color: var(--color-silver);
  max-width: 30ch;
}
.page-news .news-directory__tick{
  margin-top: 1rem;
}
.page-news .news-directory__entries{
  display: grid;
  gap: 0;
}

/* ===== 动态条目 ===== */
.page-news .news-entry{
  display: grid;
  grid-template-columns: 2.75rem minmax(0, 1fr);
  gap: 0.75rem;
  padding: 1.5rem 0 1.4rem;
  border-top: 1px solid var(--news-line);
}
.page-news .news-entry__index{
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  color: var(--color-gold);
  line-height: 1.4;
  padding-top: 0.4rem;
  opacity: 0.85;
}
.page-news .news-entry__body{
  min-width: 0;
  display: grid;
  gap: 0.55rem;
}
.page-news .news-entry--latest .news-entry__body{
  border-left: 3px solid var(--color-orange);
  padding-left: 1rem;
}
.page-news .news-entry__meta{
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.6rem 0.75rem;
}
.page-news .news-entry__time{
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  color: var(--color-silver);
  letter-spacing: 0.04em;
}
.page-news .news-entry__time::before{
  content: "";
  width: 0.375rem;
  height: 0.375rem;
  background: var(--color-gold);
  display: inline-block;
  flex: 0 0 auto;
}
.page-news .news-entry__flag{
  background: var(--color-orange);
  color: var(--color-black);
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  padding: 0.18rem 0.5rem;
  line-height: 1.3;
  animation: pageNewsFlag 1s ease 2 forwards;
}
@keyframes pageNewsFlag{
  0%, 100%{ opacity: 1; }
  50%{ opacity: 0.35; }
}
.page-news .news-entry__title{
  margin: 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(1.35rem, 2.6vw, 1.9rem);
  line-height: 1.15;
  letter-spacing: 0.01em;
  transition: color var(--ease);
}
.page-news .news-entry__summary{
  margin: 0;
  color: var(--color-silver);
  line-height: 1.7;
  max-width: 72ch;
}
.page-news .news-entry__more{
  width: fit-content;
  color: var(--color-blue);
  font-size: 0.9375rem;
  font-weight: 700;
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color var(--ease), color var(--ease);
}
.page-news .news-entry__more:hover{
  border-bottom-color: var(--color-blue);
}
.page-news .news-entry:hover .news-entry__title{
  color: var(--color-gold);
}

/* ===== 展开清理步骤 ===== */
.page-news .news-entry-detail{
  border-left: 2px solid var(--color-gold-line);
  padding-left: 1rem;
  margin-top: 0.25rem;
}
.page-news .news-entry-detail summary{
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-weight: 700;
  font-size: 0.9375rem;
  color: var(--color-gold);
  list-style: none;
  width: fit-content;
}
.page-news .news-entry-detail summary::-webkit-details-marker{
  display: none;
}
.page-news .news-entry-detail summary::before{
  content: "+";
  font-family: var(--font-mono);
  font-weight: 700;
  color: var(--color-gold);
  font-size: 0.9375rem;
  line-height: 1;
}
.page-news .news-entry-detail[open] summary::before{
  content: "–";
}
.page-news .news-steps{
  list-style: none;
  margin: 0.85rem 0 0.5rem;
  padding: 0;
  counter-reset: newsStep;
  display: grid;
  gap: 0.45rem;
}
.page-news .news-steps li{
  counter-increment: newsStep;
  position: relative;
  padding-left: 2rem;
  font-size: 0.9375rem;
  line-height: 1.65;
  color: var(--color-silver);
}
.page-news .news-steps li::before{
  content: counter(newsStep, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 0;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--color-gold);
  letter-spacing: 0.06em;
}

/* ===== 底部检索提示 ===== */
.page-news .news-updates__foot{
  margin-top: 2rem;
  padding: 1rem 1.25rem;
  border-left: 2px solid var(--color-gold-line);
  background: var(--color-dark);
  color: var(--color-silver);
  font-size: 0.9375rem;
  line-height: 1.75;
}
.page-news .news-updates__foot a{
  color: var(--color-blue);
  text-decoration: none;
  font-weight: 700;
  border-bottom: 1px solid transparent;
  transition: border-color var(--ease);
}
.page-news .news-updates__foot a:hover{
  border-bottom-color: var(--color-blue);
}

/* ===== 02 版本与迭代 ===== */
.page-news .news-versions__grid{
  display: grid;
  gap: var(--news-gap);
  align-items: start;
}
.page-news .news-versions__body{
  display: grid;
  gap: 1.25rem;
  justify-items: start;
}
.page-news .news-versions__lead,
.page-news .news-rhythm__lead,
.page-news .news-topics__lead{
  margin: 0;
  color: var(--color-silver);
  line-height: 1.75;
  max-width: 62ch;
}
.page-news .news-version-list{
  list-style: none;
  margin: 0;
  padding: 0;
  width: 100%;
}
.page-news .news-version-list li{
  display: grid;
  grid-template-columns: 3.5rem minmax(0, 1fr);
  gap: 0.4rem 1.25rem;
  padding: 1.15rem 0;
  border-top: 1px solid var(--news-line);
}
.page-news .news-version-list li:first-child{
  border-top: 0;
}
.page-news .news-version-list__ver{
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 0.9375rem;
  line-height: 1.4;
  color: var(--color-gold);
}
.page-news .news-version-list__body{
  min-width: 0;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 0.4rem;
}
.page-news .news-version-list__state{
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-silver);
  border: 1px solid var(--color-gold-line-soft);
  padding: 0.12rem 0.55rem;
  line-height: 1.4;
}
.page-news .news-version-list__body p{
  margin: 0;
  color: var(--color-silver);
  font-size: 0.9375rem;
  line-height: 1.7;
}

/* ===== 03 数据节奏 ===== */
.page-news .news-rhythm__grid{
  display: grid;
  gap: var(--news-gap);
  align-items: center;
}
.page-news .news-rhythm__body{
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 1.25rem;
}
.page-news .news-rhythm__stats{
  display: grid;
  gap: 0.85rem;
  width: 100%;
}
.page-news .news-rhythm__tiers{
  display: grid;
  gap: 0.85rem;
  margin-top: var(--news-gap);
}
.page-news .news-tier{
  position: relative;
  border: 1px solid var(--news-line-soft);
  background: var(--color-dark);
  padding: 1.15rem 1.1rem 1.2rem;
  overflow: hidden;
}
.page-news .news-tier::before{
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--color-gold), transparent 72%);
}
.page-news .news-tier__k{
  display: block;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 1.4rem;
  letter-spacing: 0.02em;
  color: var(--color-white);
  margin-bottom: 0.4rem;
}
.page-news .news-tier__d{
  margin: 0;
  font-size: 0.875rem;
  color: var(--color-silver);
  line-height: 1.65;
}
.page-news .news-tier--hot{
  border-color: var(--color-gold-line);
  background:
    linear-gradient(135deg, rgba(201, 162, 39, 0.08), transparent 55%),
    var(--color-dark);
}
.page-news .news-tier--hot .news-tier__k{
  color: var(--color-gold);
}

/* ===== 04 内容专题 ===== */
.page-news .news-topics__layout{
  display: grid;
  gap: var(--news-gap);
  align-items: start;
}
.page-news .news-topics__body{
  display: grid;
  gap: 1.25rem;
  justify-items: start;
}
.page-news .news-series{
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.85rem;
  width: 100%;
}
.page-news .news-series__item{
  border: 1px solid var(--news-line-soft);
  background: var(--color-dark);
  padding: 1.05rem 1.1rem 1.15rem;
  display: grid;
  grid-template-columns: 2.25rem minmax(0, 1fr);
  column-gap: 0.75rem;
  row-gap: 0.45rem;
}
.page-news .news-series__num{
  grid-row: 1 / span 2;
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  letter-spacing: 0.06em;
  color: var(--color-gold);
  padding-top: 0.15rem;
}
.page-news .news-series__item strong{
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 1.3rem;
  letter-spacing: 0.01em;
  line-height: 1.2;
  color: var(--color-white);
}
.page-news .news-series__item p{
  grid-column: 2;
  margin: 0;
  font-size: 0.875rem;
  line-height: 1.65;
  color: var(--color-silver);
}

/* ===== 结尾快速入口 ===== */
.page-news .news-help__frame{
  position: relative;
  border: 1px solid var(--color-gold-line);
  background:
    linear-gradient(135deg, rgba(201, 162, 39, 0.1), transparent 42%),
    var(--color-dark);
  padding: clamp(1.5rem, 4vw, 3rem);
}
.page-news .news-help__frame::before{
  content: "";
  position: absolute;
  top: -1px;
  left: -1px;
  width: 4.5rem;
  height: 4px;
  background: var(--color-gold);
}
.page-news .news-help__eyebrow{
  color: var(--color-gold);
}
.page-news .news-help h2{
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(1.75rem, 4vw, 3rem);
  line-height: 1.1;
  margin: 0.75rem 0 1rem;
  color: var(--color-white);
  letter-spacing: 0.01em;
}
.page-news .news-help__text{
  color: var(--color-silver);
  line-height: 1.75;
  max-width: 58ch;
  margin: 0 0 1.75rem;
}
.page-news .news-help__actions{
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem;
}

/* ===== 平板 ===== */
@media (min-width: 48rem){
  .page-news .news-rhythm__tiers{
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .page-news .news-series{
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

/* ===== 桌面 ===== */
@media (min-width: 64rem){
  .page-news .news-hero__copy{
    max-width: 78ch;
  }
  .page-news .news-directory{
    grid-template-columns: var(--news-rail-w) minmax(0, 1fr);
    column-gap: clamp(2rem, 5vw, 4.5rem);
  }
  .page-news .news-directory__rail{
    position: sticky;
    top: 1.5rem;
  }
  .page-news .news-tabs{
    flex-direction: column;
    align-items: stretch;
    gap: 0.15rem;
  }
  .page-news .news-tabs__item{
    border: 0;
    border-left: 3px solid transparent;
    background: transparent;
    padding: 0.45rem 0.25rem;
  }
  .page-news .news-tabs__item.is-active{
    border-left-color: var(--color-gold);
    background: transparent;
    color: var(--color-gold);
  }
  .page-news .news-versions__grid{
    grid-template-columns: minmax(0, 0.85fr) minmax(0, 1.15fr);
  }
  .page-news .news-rhythm__grid{
    grid-template-columns: minmax(0, 0.95fr) minmax(0, 1.05fr);
  }
  .page-news .news-rhythm__tiers{
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
  .page-news .news-topics__layout{
    grid-template-columns: minmax(0, 0.85fr) minmax(0, 1.15fr);
  }
}

/* ===== 动效偏好 ===== */
@media (prefers-reduced-motion: reduce){
  .page-news .news-entry__flag{
    animation: none;
  }
  .page-news .news-entry__title,
  .page-news .news-entry__more{
    transition: none;
  }
}