.page-news {
  --news-rail: 3.5rem;
  --news-paper-rule: rgba(11, 22, 38, .22);
  --news-paper-dim: rgba(11, 22, 38, .68);
  position: relative;
  padding-block: clamp(24px, 4vw, 56px) clamp(48px, 8vw, 96px);
  background-color: var(--c-night-deep);
  color: var(--c-silver);
  overflow-x: clip;
}

.page-news .news-crumbs {
  margin-bottom: clamp(20px, 3vw, 34px);
}

/* ---------- 页头：偏轴刻度栏 + 标题 ---------- */
.page-news .news-mast {
  display: grid;
  grid-template-columns: var(--news-rail) minmax(0, 1fr);
  column-gap: var(--gutter);
  align-items: stretch;
  padding-top: 22px;
  border-top: var(--haar);
  margin-bottom: clamp(28px, 4vw, 56px);
}

.page-news .news-mast__rail {
  display: block;
  border-inline-start: 1px solid var(--c-rock-line);
  background-image: repeating-linear-gradient(to bottom, var(--c-rock-line) 0 1px, transparent 1px 12px);
  background-repeat: repeat-y;
  background-size: 8px 100%;
  min-height: 140px;
}

.page-news .news-mast__kicker {
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  letter-spacing: .14em;
  color: var(--c-sand);
  margin: 0 0 12px;
  font-variant-numeric: tabular-nums;
}

.page-news .news-mast__title {
  font-family: var(--font-head);
  font-weight: 900;
  font-size: clamp(38px, 8vw, 72px);
  line-height: .96;
  letter-spacing: -0.01em;
  color: var(--c-paper);
  margin: 0 0 18px;
  padding-inline-start: clamp(0px, 1.5vw, 24px);
  border-inline-start: 3px solid var(--c-sand);
}

.page-news .news-mast__lede {
  font-size: var(--fs-16);
  line-height: 1.9;
  color: var(--c-silver-dim);
  max-width: 56ch;
  margin: 0;
}

.page-news .news-mast__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 22px;
}

.page-news .news-mast__meta .meta-chip {
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  font-variant-numeric: tabular-nums;
}

/* ---------- 头条：米白反向纸张区块 ---------- */
.page-news .news-feature {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(20px, 3vw, 36px);
  background: var(--c-paper);
  color: var(--c-night-deep);
  border: var(--haar);
  padding: clamp(18px, 2.6vw, 34px);
  margin-bottom: clamp(34px, 5vw, 68px);
}

.page-news .news-feature__media img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  border: 1px solid var(--news-paper-rule);
}

.page-news .news-feature__tag {
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  letter-spacing: .08em;
  color: var(--c-night-soft);
  border-inline-start: 3px solid var(--c-sand);
  padding-inline-start: 10px;
  margin: 0 0 14px;
}

.page-news .news-feature__title {
  font-family: var(--font-head);
  font-weight: 900;
  font-size: clamp(21px, 3.2vw, 28px);
  line-height: 1.32;
  letter-spacing: -0.005em;
  color: var(--c-night-deep);
  margin: 0 0 16px;
}

.page-news .news-feature__text {
  font-size: var(--fs-16);
  line-height: 1.9;
  color: var(--news-paper-dim);
  margin: 0 0 20px;
  max-width: 54ch;
}

.page-news .news-feature__facts {
  list-style: none;
  margin: 0 0 24px;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 12px 26px;
  border-top: 1px solid var(--news-paper-rule);
  padding-top: 16px;
}

.page-news .news-feature__facts li {
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  color: var(--news-paper-dim);
  font-variant-numeric: tabular-nums;
}

.page-news .news-feature__num {
  font-family: var(--font-mono);
  font-size: var(--fs-20);
  font-weight: 700;
  color: var(--c-clay);
  margin-inline-end: 6px;
}

.page-news .news-feature__links {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

/* ---------- 章节头 ---------- */
.page-news .section-head {
  margin-bottom: 22px;
}

.page-news .section-head__num {
  color: var(--c-sand);
  font-family: var(--font-mono);
}

.page-news .section-head__title {
  font-family: var(--font-head);
  font-weight: 900;
  color: var(--c-paper);
}

.page-news .section-head__meta {
  color: var(--c-silver-dim);
  font-family: var(--font-mono);
  font-size: var(--fs-12);
}

/* ---------- 分段过滤 ---------- */
.page-news .news-stream {
  margin-bottom: clamp(38px, 6vw, 76px);
}

.page-news .news-filter {
  position: relative;
  display: flex;
  border: var(--haar);
  background: var(--c-night-mid);
  margin-bottom: 18px;
  overflow: hidden;
}

.page-news .news-filter::before {
  content: "";
  position: absolute;
  top: 0;
  bottom: 0;
  inset-inline-start: 0;
  width: 25%;
  background: var(--c-night-soft);
  border-bottom: 2px solid var(--c-sand);
  transition: transform var(--dur-seg) var(--ease);
  z-index: 0;
}

.page-news .news-filter:has(#tag-release:checked)::before { transform: translateX(100%); }
.page-news .news-filter:has(#tag-param:checked)::before { transform: translateX(200%); }
.page-news .news-filter:has(#tag-terms:checked)::before { transform: translateX(300%); }

.page-news .news-filter .segmented__input {
  position: absolute;
  width: 1px;
  height: 1px;
  opacity: 0;
  pointer-events: none;
}

.page-news .news-filter .segmented__label {
  position: relative;
  z-index: 1;
  flex: 1 1 25%;
  min-width: 0;
  text-align: center;
  padding: 13px 4px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .04em;
  color: var(--c-silver-dim);
  cursor: pointer;
  white-space: nowrap;
  transition: color var(--dur-hover) var(--ease);
}

.page-news .news-filter .segmented__input:checked + .segmented__label {
  color: var(--c-paper);
}

.page-news .news-filter .segmented__input:focus-visible + .segmented__label {
  outline: 2px solid var(--c-poplar);
  outline-offset: -4px;
}

/* 过滤生效：隐藏不匹配条目与归档折叠块 */
.page-news .news-filter:has(#tag-release:checked) ~ .news-list .news-item:not([data-cat="release"]),
.page-news .news-filter:has(#tag-param:checked) ~ .news-list .news-item:not([data-cat="param"]),
.page-news .news-filter:has(#tag-terms:checked) ~ .news-list .news-item:not([data-cat="terms"]) {
  display: none;
}

.page-news .news-filter:has(#tag-release:checked) ~ .news-more,
.page-news .news-filter:has(#tag-param:checked) ~ .news-more,
.page-news .news-filter:has(#tag-terms:checked) ~ .news-more {
  display: none;
}

/* ---------- 动态列表 ---------- */
.page-news .news-list {
  list-style: none;
  margin: 0;
  padding: 0;
  position: relative;
}

.page-news .news-list::after {
  content: "";
  position: absolute;
  top: 0;
  bottom: 0;
  inset-inline-start: var(--news-rail);
  width: 1px;
  background-image: repeating-linear-gradient(to bottom, var(--c-rock-line) 0 5px, transparent 5px 13px);
  pointer-events: none;
}

.page-news .news-item {
  display: grid;
  grid-template-columns: var(--news-rail) minmax(0, 1fr);
  column-gap: var(--gutter);
  padding-block: 20px;
  border-top: var(--haar);
  transition: transform var(--dur-hover) var(--ease);
}

.page-news .news-list--archive .news-item:first-child {
  border-top: none;
}

.page-news .news-item__index {
  font-family: var(--font-mono);
  font-size: var(--fs-14);
  font-variant-numeric: tabular-nums;
  letter-spacing: .04em;
  color: var(--c-sand);
  padding-top: 2px;
}

.page-news .news-item__body {
  min-width: 0;
}

.page-news .news-item__head {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  margin: 0 0 9px;
}

.page-news .news-item__tag {
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  letter-spacing: .05em;
  padding: 3px 9px;
  border: 1px solid var(--c-rock-line);
  color: var(--c-silver-dim);
  transition: background-color var(--dur-hover) var(--ease), color var(--dur-hover) var(--ease);
}

.page-news .news-item__when {
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  color: var(--c-silver-dim);
  font-variant-numeric: tabular-nums;
}

.page-news .news-item__ver {
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  color: var(--c-sand);
  font-variant-numeric: tabular-nums;
  border-inline-start: 1px solid var(--c-rock-line);
  padding-inline-start: 10px;
}

.page-news .news-item__title {
  font-family: var(--font-head);
  font-weight: 800;
  font-size: clamp(17px, 2.1vw, 20px);
  line-height: 1.5;
  color: var(--c-paper);
  margin: 0 0 8px;
}

.page-news .news-item__text {
  font-size: var(--fs-14);
  line-height: 1.85;
  color: var(--c-silver-dim);
  margin: 0;
  max-width: 68ch;
}

@media (hover: hover) and (pointer: fine) {
  .page-news .news-item:hover {
    transform: translateX(-4px);
  }
  .page-news .news-item:hover .news-item__tag {
    background: var(--c-night-mid);
    color: var(--c-paper);
  }
}

/* 折叠块 */
.page-news .news-more {
  margin-top: 8px;
  border-top: var(--haar);
}

.page-news .news-more .disclosure__summary {
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  letter-spacing: .06em;
  color: var(--c-sand);
  padding-block: 16px;
}

.page-news .news-more .disclosure__body {
  padding-bottom: 8px;
}

/* ---------- 检测记录专题 ---------- */
.page-news .news-series {
  margin-bottom: clamp(38px, 6vw, 76px);
}

.page-news .news-series__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(22px, 3vw, 40px);
  align-items: start;
}

.page-news .news-series__figure {
  margin: 0;
}

.page-news .news-series__figure img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  border: var(--haar);
}

.page-news .news-series__figure .figure__caption {
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  line-height: 1.8;
  color: var(--c-silver-dim);
  margin-top: 12px;
}

.page-news .news-series__list {
  list-style: none;
  margin: 0;
  padding: 0;
  counter-reset: series;
}

.page-news .news-series__item {
  padding-block: 18px;
  border-top: var(--haar);
}

.page-news .news-series__item:first-child {
  border-top: 2px solid var(--c-sand);
}

.page-news .news-series__no {
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  letter-spacing: .06em;
  color: var(--c-poplar);
  margin: 0 0 8px;
}

.page-news .news-series__title {
  font-family: var(--font-head);
  font-weight: 800;
  font-size: var(--fs-20);
  line-height: 1.5;
  color: var(--c-paper);
  margin: 0 0 8px;
}

.page-news .news-series__text {
  font-size: var(--fs-14);
  line-height: 1.9;
  color: var(--c-silver-dim);
  margin: 0;
  max-width: 62ch;
}

/* ---------- 条款同步进度 ---------- */
.page-news .news-sync {
  margin-bottom: clamp(38px, 6vw, 76px);
}

.page-news .news-sync__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(22px, 3vw, 40px);
  align-items: start;
}

.page-news .news-sync__stats {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1px;
  background: var(--c-rock-line);
  border: var(--haar);
}

.page-news .news-sync__stat {
  background: var(--c-night-mid);
  padding: 18px 14px 16px;
}

.page-news .news-sync__num {
  display: block;
  font-family: var(--font-mono);
  font-size: clamp(28px, 4.4vw, 44px);
  line-height: 1;
  font-variant-numeric: tabular-nums;
  color: var(--c-paper);
  margin-bottom: 12px;
}

.page-news .news-sync__stat .status-tag {
  font-family: var(--font-mono);
  font-size: var(--fs-12);
}

.page-news .news-sync__hint {
  font-size: var(--fs-12);
  line-height: 1.8;
  color: var(--c-silver-dim);
  margin: 12px 0 0;
}

.page-news .news-sync__figure {
  margin: 0;
}

.page-news .news-sync__figure img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  border: var(--haar);
}

.page-news .news-sync__figure .figure__caption {
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  line-height: 1.8;
  color: var(--c-silver-dim);
  margin-top: 12px;
}

/* ---------- 回看与检索 ---------- */
.page-news .news-archive__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(22px, 3vw, 40px);
  align-items: start;
}

.page-news .news-archive__text .prose {
  font-size: var(--fs-16);
  line-height: 1.9;
  color: var(--c-silver);
  margin: 0 0 22px;
  max-width: 62ch;
}

.page-news .news-archive__steps {
  list-style: none;
  margin: 0 0 22px;
  padding: 0;
  border-top: var(--haar);
}

.page-news .news-archive__steps li {
  display: grid;
  grid-template-columns: 3rem minmax(0, 1fr);
  gap: 12px;
  padding-block: 13px;
  border-bottom: var(--haar);
  font-size: var(--fs-14);
  line-height: 1.8;
  color: var(--c-silver-dim);
}

.page-news .news-archive__steps .mono {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  color: var(--c-sand);
}

.page-news .news-archive__note {
  font-size: var(--fs-14);
  line-height: 1.9;
  color: var(--c-silver-dim);
  margin: 0;
  max-width: 62ch;
}

.page-news .news-archive__note a {
  color: var(--c-poplar);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-news .news-archive__figure {
  margin: 0;
}

.page-news .news-archive__figure img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  border: var(--haar);
}

.page-news .news-archive__figure .figure__caption {
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  line-height: 1.8;
  color: var(--c-silver-dim);
  margin-top: 12px;
}

/* ---------- 响应式 ---------- */
@media (min-width: 720px) {
  .page-news .news-feature {
    grid-template-columns: 4fr 8fr;
    align-items: start;
  }
}

@media (min-width: 920px) {
  .page-news .news-series__grid {
    grid-template-columns: 5fr 7fr;
  }
  .page-news .news-sync__grid {
    grid-template-columns: 7fr 5fr;
  }
  .page-news .news-archive__grid {
    grid-template-columns: 7fr 5fr;
  }
  .page-news .news-mast__lede {
    max-width: 62ch;
  }
}

@media (min-width: 1180px) {
  .page-news .news-stream {
    padding-inline-start: 24px;
  }
}

@media (max-width: 640px) {
  .page-news .news-mast {
    grid-template-columns: minmax(0, 1fr);
    column-gap: 0;
  }
  .page-news .news-mast__rail {
    display: none;
  }
  .page-news .news-mast__title {
    border-inline-start: none;
    padding-inline-start: 0;
    padding-top: 10px;
    border-top: 3px solid var(--c-sand);
  }
  .page-news .news-item {
    grid-template-columns: minmax(0, 1fr);
    row-gap: 8px;
  }
  .page-news .news-list::after {
    display: none;
  }
  .page-news .news-item__index {
    padding-top: 0;
  }
  .page-news .news-sync__stats {
    grid-template-columns: minmax(0, 1fr);
  }
  .page-news .news-filter .segmented__label {
    font-size: 10px;
    letter-spacing: 0;
    padding-inline: 2px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-news .news-item,
  .page-news .news-filter::before,
  .page-news .news-item__tag {
    transition: none;
  }
  .page-news .news-item:hover {
    transform: none;
  }
}