.page-news {
  --news-hair: 1px solid var(--line);
  --news-pad: clamp(2.4rem, 6vw, 4.8rem);
  display: block;
}

/* ---------- 首屏 ---------- */
.page-news .watch-intro {
  padding-block: clamp(1.4rem, 4vw, 2.6rem) clamp(2.2rem, 5vw, 3.4rem);
}

.page-news .watch-intro .breadcrumb {
  margin-bottom: clamp(1.6rem, 4vw, 3rem);
}

.page-news .watch-intro__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(1.6rem, 4vw, 2.8rem);
  align-items: end;
}

.page-news .watch-intro__lead .display--xl {
  margin-block: 0.4rem 0.9rem;
  line-height: 0.98;
}

.page-news .watch-intro__lead .lede {
  max-width: 44ch;
  margin-bottom: 0.9rem;
}

.page-news .watch-intro__lead .note {
  max-width: 52ch;
  margin: 0;
}

.page-news .watch-intro__figure {
  margin: 0;
}

.page-news .watch-intro__figure img {
  width: 100%;
  height: auto;
  display: block;
  object-fit: cover;
  aspect-ratio: 16 / 9;
  filter: saturate(0.78) brightness(0.92);
}

@media (min-width: 960px) {
  .page-news .watch-intro__grid {
    grid-template-columns: minmax(0, 1.02fr) minmax(0, 0.98fr);
    gap: clamp(2rem, 4vw, 3.6rem);
  }
}

/* 节奏指标条 */
.page-news .watch-cadence {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(8.5rem, 1fr));
  gap: 1px;
  margin-top: clamp(1.8rem, 4vw, 2.8rem);
  background: var(--line);
  border: var(--news-hair);
}

.page-news .cadence-item {
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
  padding: clamp(0.85rem, 2.4vw, 1.3rem) clamp(0.85rem, 2.4vw, 1.15rem);
  background: var(--ink-900);
}

.page-news .cadence-item__k {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.08em;
  color: var(--mist);
}

.page-news .cadence-item__v {
  font-family: var(--font-mono);
  font-size: clamp(1.25rem, 3vw, 1.85rem);
  font-weight: 600;
  line-height: 1.1;
  color: var(--paper);
}

.page-news .cadence-item__v small {
  margin-left: 0.25em;
  font-size: 0.58em;
  font-weight: 400;
  color: var(--mist);
}

.page-news .cadence-item__note {
  font-size: 0.74rem;
  line-height: 1.7;
  color: var(--mist);
}

/* 斜切分隔带 */
.page-news .watch-slash {
  width: var(--shell);
  margin-inline: auto;
  height: clamp(1.4rem, 3.5vw, 2.4rem);
  background: linear-gradient(90deg, var(--ink-800) 0%, var(--ink-700) 100%);
  clip-path: polygon(0 0, 100% 60%, 100% 100%, 0 40%);
}

/* ---------- 条目列表 ---------- */
.page-news .feed {
  padding-block: var(--news-pad);
}

.page-news .feed__head {
  max-width: 54ch;
}

.page-news .feed__head .section__title {
  margin-block: 0.35rem 0.7rem;
}

.page-news .feed__head .note {
  margin: 0;
}

/* 分类筛选 */
.page-news .cat-filter {
  position: relative;
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-block: clamp(1.3rem, 3vw, 2rem);
}

.page-news .feed-anchor {
  position: absolute;
  top: 0;
  left: 0;
  width: 1px;
  height: 1px;
  overflow: hidden;
  scroll-margin-top: 6rem;
  pointer-events: none;
}

.page-news .cat-chip {
  display: inline-block;
  padding: 0.3rem 0.85rem;
  border: 1px solid var(--line);
  border-radius: 999px;
  font-family: var(--font-mono);
  font-size: 0.74rem;
  letter-spacing: 0.05em;
  color: var(--mist);
  text-decoration: none;
  white-space: nowrap;
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease),
    background-color var(--dur) var(--ease);
}

.page-news .cat-chip:hover {
  color: var(--paper);
  border-color: var(--line-soft);
}

/* 纯 CSS 分类状态：支持 :has() 时按锚点过滤，不支持时全部条目照常显示 */
.page-news .cat-filter:has(#cat-rules:target) .cat-chip[data-cat="rules"],
.page-news .cat-filter:has(#cat-fields:target) .cat-chip[data-cat="fields"],
.page-news .cat-filter:has(#cat-board:target) .cat-chip[data-cat="board"],
.page-news .cat-filter:has(#cat-review:target) .cat-chip[data-cat="review"],
.page-news .cat-filter:has(#cat-update:target) .cat-chip[data-cat="update"] {
  background: var(--cyan);
  border-color: var(--cyan);
  color: var(--ink-900);
}

.page-news .cat-filter:has(#cat-rules:target) ~ .entry-list .entry:not([data-cat="rules"]),
.page-news .cat-filter:has(#cat-fields:target) ~ .entry-list .entry:not([data-cat="fields"]),
.page-news .cat-filter:has(#cat-board:target) ~ .entry-list .entry:not([data-cat="board"]),
.page-news .cat-filter:has(#cat-review:target) ~ .entry-list .entry:not([data-cat="review"]),
.page-news .cat-filter:has(#cat-update:target) ~ .entry-list .entry:not([data-cat="update"]) {
  display: none;
}

/* 列表本体 */
.page-news .entry-list {
  position: relative;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-news .entry {
  position: relative;
  border-top: var(--news-hair);
}

.page-news .entry:last-child {
  border-bottom: var(--news-hair);
}

.page-news .entry::after {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 2px;
  background: var(--cyan);
  transform: scaleY(0);
  transform-origin: top;
  transition: transform 0.3s var(--ease);
}

.page-news .entry[data-cat="rules"]::after { background: var(--cyan); }
.page-news .entry[data-cat="fields"]::after { background: var(--gold); }
.page-news .entry[data-cat="board"]::after { background: var(--paper-dim); }
.page-news .entry[data-cat="review"]::after { background: var(--silver); }
.page-news .entry[data-cat="update"]::after { background: var(--cyan); }

.page-news .entry:hover::after,
.page-news .entry[open]::after {
  transform: scaleY(1);
}

.page-news .entry__detail {
  display: block;
}

.page-news .entry__summary {
  position: relative;
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.45rem;
  padding: clamp(1rem, 2.4vw, 1.4rem) 2.2rem clamp(1rem, 2.4vw, 1.4rem) clamp(0.6rem, 1.6vw, 1rem);
  list-style: none;
  cursor: pointer;
}

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

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

.page-news .entry__stage {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  color: var(--cyan);
}

.page-news .entry__main {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  min-width: 0;
}

.page-news .entry__title {
  font-family: var(--font-display);
  font-size: clamp(1.02rem, 2.2vw, 1.32rem);
  font-weight: 700;
  line-height: 1.45;
  color: var(--paper);
}

.page-news .entry__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
}

.page-news .cat-tag {
  display: inline-block;
  padding: 0.12rem 0.62rem;
  border: 1px solid var(--line);
  border-radius: 999px;
  font-family: var(--font-mono);
  font-size: 0.69rem;
  letter-spacing: 0.05em;
  color: var(--mist);
  white-space: nowrap;
}

.page-news .entry__mark {
  position: absolute;
  top: clamp(1.15rem, 2.6vw, 1.55rem);
  right: 0.2rem;
  width: 1rem;
  height: 1rem;
}

.page-news .entry__mark::before,
.page-news .entry__mark::after {
  content: "";
  position: absolute;
  background: var(--mist);
  transition: transform var(--dur) var(--ease), background-color var(--dur) var(--ease);
}

.page-news .entry__mark::before {
  top: 0.45rem;
  left: 0;
  right: 0;
  height: 1px;
}

.page-news .entry__mark::after {
  top: 0;
  left: 0.45rem;
  bottom: 0;
  width: 1px;
}

.page-news .entry[open] .entry__mark::after {
  transform: scaleY(0);
}

.page-news .entry:hover .entry__mark::before,
.page-news .entry:hover .entry__mark::after,
.page-news .entry[open] .entry__mark::before {
  background: var(--cyan);
}

.page-news .entry__note {
  max-width: 62ch;
  padding: 0 clamp(0.6rem, 1.6vw, 1rem) clamp(1.1rem, 2.6vw, 1.6rem) clamp(0.6rem, 1.6vw, 1rem);
}

.page-news .entry__note p {
  margin: 0;
  font-size: 0.92rem;
  line-height: 1.85;
  color: var(--mist);
}

.page-news .entry[open] .entry__note {
  animation: news-fade 0.28s var(--ease) both;
}

@keyframes news-fade {
  from {
    opacity: 0;
    transform: translateY(-4px);
  }
  to {
    opacity: 1;
    transform: none;
  }
}

@media (min-width: 760px) {
  .page-news .entry-list {
    border-left: var(--news-hair);
    padding-left: clamp(1rem, 2.4vw, 1.8rem);
  }

  .page-news .entry__summary {
    grid-template-columns: 8.5rem minmax(0, 1fr);
    align-items: baseline;
    gap: 0 1.6rem;
  }

  .page-news .entry__stage {
    padding-top: 0.15rem;
  }

  .page-news .entry__main {
    flex-direction: row;
    align-items: baseline;
    justify-content: space-between;
    gap: 1.4rem;
  }

  .page-news .entry__title {
    flex: 1 1 auto;
  }

  .page-news .entry__tags {
    flex: 0 0 auto;
  }

  .page-news .entry__note {
    margin-left: calc(8.5rem + 1.6rem);
    padding-left: 0;
  }
}

/* ---------- 分类补充说明 ---------- */
.page-news .cat-notes {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(1.8rem, 4vw, 2.8rem);
  padding-bottom: var(--news-pad);
}

.page-news .cat-note {
  display: grid;
  gap: 1.1rem;
  padding-top: 1.2rem;
  border-top: var(--news-hair);
}

.page-news .cat-note__figure {
  margin: 0;
  overflow: hidden;
}

.page-news .cat-note__figure img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  aspect-ratio: 3 / 2;
  filter: saturate(0.72) brightness(0.9);
}

.page-news .cat-note__figure--square img {
  aspect-ratio: 1 / 1;
  filter: saturate(0.85) brightness(0.88) contrast(1.05);
}

.page-news .cat-note--rules .cat-note__figure {
  border-left: 2px solid var(--cyan);
}

.page-news .cat-note--penalty .cat-note__figure {
  border-left: 2px solid var(--amber);
}

.page-news .cat-note__title {
  margin: 0.2rem 0 0.6rem;
  font-family: var(--font-display);
  font-size: clamp(1.1rem, 2.4vw, 1.42rem);
  font-weight: 700;
  line-height: 1.4;
  color: var(--paper);
}

.page-news .cat-note__text p {
  margin: 0;
  max-width: 46ch;
  font-size: 0.94rem;
  line-height: 1.85;
  color: var(--mist);
}

@media (min-width: 860px) {
  .page-news .cat-notes {
    grid-template-columns: minmax(0, 1.12fr) minmax(0, 0.88fr);
    align-items: start;
    gap: clamp(2rem, 5vw, 3.6rem);
  }

  .page-news .cat-note--penalty {
    margin-top: clamp(1.6rem, 5vw, 4rem);
  }
}

/* ---------- 变更回溯 ---------- */
.page-news .trace {
  position: relative;
  padding-block: var(--news-pad);
  border-top: var(--news-hair);
}

.page-news .trace::before {
  content: "";
  position: absolute;
  inset: auto 0 0 0;
  height: 60%;
  background: radial-gradient(120% 100% at 12% 100%, var(--cyan-soft), transparent 64%);
  pointer-events: none;
}

.page-news .trace__grid {
  position: relative;
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(1.8rem, 4vw, 3rem);
  align-items: center;
}

.page-news .trace__text .section__title {
  margin-block: 0.35rem 1rem;
}

.page-news .trace__text .prose {
  max-width: 40ch;
  margin-bottom: 1rem;
}

.page-news .trace-list {
  margin: 1.4rem 0 0;
  padding: 0;
  list-style: none;
}

.page-news .trace-list li {
  position: relative;
  padding: 0.8rem 0 0.8rem 1.4rem;
  border-top: var(--news-hair);
  font-size: 0.9rem;
  line-height: 1.82;
  color: var(--mist);
}

.page-news .trace-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 1.35rem;
  width: 0.4rem;
  height: 0.4rem;
  border-radius: 1px;
  background: var(--gold);
}

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

.page-news .trace__figure img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  aspect-ratio: 16 / 9;
  filter: saturate(0.7) brightness(0.92);
}

@media (min-width: 900px) {
  .page-news .trace__grid {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
    gap: clamp(2rem, 5vw, 4rem);
  }
}

/* ---------- 相关入口 ---------- */
.page-news .routes {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.75rem 1.5rem;
  padding-block: clamp(2rem, 5vw, 3.2rem);
  border-top: var(--news-hair);
}

.page-news .routes__label {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  color: var(--mist);
}

.page-news .routes a {
  padding-bottom: 0.15rem;
  border-bottom: 1px solid var(--line);
  font-size: 0.92rem;
  color: var(--paper);
  text-decoration: none;
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-news .routes a:hover {
  color: var(--cyan);
  border-color: var(--cyan);
}

/* ---------- 动效降级 ---------- */
@media (prefers-reduced-motion: reduce) {
  .page-news .entry::after,
  .page-news .entry__mark::before,
  .page-news .entry__mark::after,
  .page-news .cat-chip,
  .page-news .routes a {
    transition: none;
  }

  .page-news .entry[open] .entry__note {
    animation: none;
  }
}