.page-news {
  overflow-x: clip;
  padding-bottom: clamp(48px, 9vw, 96px);
}

/* ---------- 页头 ---------- */
.page-news .news-head {
  position: relative;
  padding: clamp(24px, 5vw, 48px) 0 clamp(22px, 4vw, 36px);
  border-bottom: 1px solid var(--line-soft);
  background-image:
    repeating-linear-gradient(115deg, rgba(212, 163, 74, .05) 0 1px, transparent 1px 10px),
    repeating-linear-gradient(65deg, rgba(212, 163, 74, .035) 0 1px, transparent 1px 10px),
    radial-gradient(circle at 14% 0%, rgba(212, 163, 74, .14), rgba(212, 163, 74, 0) 58%);
}

.page-news .news-head__chip {
  display: inline-block;
  margin: 14px 0 0;
  padding: 4px 10px;
  border: 1px solid var(--line);
  color: var(--cinnabar);
  font-size: 12px;
  letter-spacing: .14em;
  background: var(--ink-2);
}

.page-news .news-head__title {
  margin: 14px 0 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(34px, 8.4vw, 62px);
  line-height: 1.18;
  letter-spacing: .01em;
  color: var(--silver);
  max-width: 18ch;
}

.page-news .news-head__lead {
  margin: 16px 0 0;
  max-width: 62ch;
  color: var(--silver);
  font-size: 16.5px;
  line-height: 1.85;
  letter-spacing: .04em;
}

.page-news .news-head__facts {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  margin: 24px 0 0;
  border: 1px solid var(--line-soft);
  background: var(--line-soft);
}

.page-news .news-head__facts .fact {
  background: var(--ink-2);
  padding: 12px 14px;
}

.page-news .news-head__facts dt {
  font-size: 12px;
  letter-spacing: .12em;
  color: var(--silver-2);
}

.page-news .news-head__facts dd {
  margin: 6px 0 0;
  font-family: var(--font-num);
  font-size: 17px;
  letter-spacing: .04em;
  color: var(--gold);
}

/* ---------- 分屏骨架 ---------- */
.page-news .news-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(24px, 5vw, 40px);
  padding-top: clamp(26px, 5vw, 48px);
  align-items: start;
}

.page-news .index-rail {
  display: grid;
  gap: 16px;
}

.page-news .rail-block {
  border: 1px solid var(--line-soft);
  background: var(--ink-2);
  padding: 16px;
}

.page-news .rail-block__title {
  margin: 0 0 12px;
  font-size: 12px;
  letter-spacing: .16em;
  color: var(--silver-2);
}

.page-news .rail-block__note {
  margin: 12px 0 0;
  font-size: 13px;
  line-height: 1.7;
  letter-spacing: .04em;
  color: var(--silver-2);
}

.page-news .rail-tags {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 8px;
}

.page-news .rail-tag {
  display: flex;
  align-items: center;
  gap: 10px;
  min-height: 48px;
  padding: 0 12px;
  border: 1px solid var(--line-soft);
  background: var(--ink);
  color: var(--silver);
  font-size: 15px;
  letter-spacing: .06em;
  text-decoration: none;
  transition: border-color .24s var(--ease), background-color .24s var(--ease), color .24s var(--ease);
}

.page-news .rail-tag::before {
  content: "";
  flex: none;
  width: 3px;
  height: 16px;
  background: var(--dot, var(--gold));
}

.page-news .rail-tag[data-tag="version"] { --dot: var(--gold); }
.page-news .rail-tag[data-tag="adapt"] { --dot: var(--jade); }
.page-news .rail-tag[data-tag="flow"] { --dot: var(--cinnabar); }
.page-news .rail-tag[data-tag="feedback"] { --dot: var(--silver-2); }

.page-news .rail-tag:hover,
.page-news .rail-tag:focus-visible {
  border-color: var(--gold);
  background: var(--ink-3);
  color: var(--gold-hi);
}

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

.page-news .rail-toc__link {
  display: flex;
  align-items: center;
  min-height: 48px;
  padding: 0 12px;
  border-left: 2px solid transparent;
  color: var(--silver-2);
  font-size: 14px;
  letter-spacing: .06em;
  text-decoration: none;
  transition: color .24s var(--ease), border-color .24s var(--ease), background-color .24s var(--ease);
}

.page-news .rail-toc__link:hover,
.page-news .rail-toc__link:focus-visible {
  color: var(--silver);
  background: var(--ink);
}

.page-news .rail-toc__link[data-active] {
  color: var(--gold-hi);
  border-left-color: var(--cinnabar);
  background: var(--ink-3);
}

/* ---------- 主刊 ---------- */
.page-news .issue {
  border: 1px solid var(--line-soft);
  background:
    radial-gradient(circle at 88% 4%, rgba(212, 163, 74, .12), rgba(212, 163, 74, 0) 56%),
    var(--ink-2);
  padding: clamp(18px, 4vw, 32px);
}

.page-news .issue__kicker {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 16px;
  font-size: 13px;
  letter-spacing: .14em;
  color: var(--silver-2);
}

.page-news .issue__num {
  font-family: var(--font-num);
  font-size: 13px;
  color: var(--cinnabar);
  border: 1px solid var(--line);
  padding: 2px 7px;
}

.page-news .issue__grid {
  display: grid;
  gap: clamp(18px, 3vw, 26px);
}

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

.page-news .issue__title {
  margin: 0 0 14px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(25px, 5.4vw, 42px);
  line-height: 1.24;
  letter-spacing: .01em;
  color: var(--gold);
}

.page-news .issue__rule {
  height: 1px;
  border: 0;
  margin: 0 0 16px;
  background: linear-gradient(90deg, var(--gold), rgba(212, 163, 74, 0));
}

.page-news .issue__text p {
  margin: 0 0 1.1em;
  color: var(--silver);
  font-size: 16.5px;
  line-height: 1.85;
  letter-spacing: .04em;
}

.page-news .issue__text p:last-child {
  margin-bottom: 0;
}

/* ---------- 条目流 ---------- */
.page-news .stream {
  margin-top: clamp(30px, 6vw, 52px);
}

.page-news .stream__list {
  list-style: none;
  margin: 0;
  padding: 0;
  counter-reset: entry;
  border-top: 1px solid var(--line-soft);
}

.page-news .entry {
  counter-increment: entry;
  border-bottom: 1px solid var(--line-soft);
  border-left: 3px solid var(--accent, var(--gold));
  background: var(--ink-2);
  padding: 14px 16px 12px 18px;
  transition: background-color .24s var(--ease);
}

.page-news .entry[data-tag="adapt"] { --accent: var(--jade); }
.page-news .entry[data-tag="flow"] { --accent: var(--cinnabar); }
.page-news .entry[data-tag="feedback"] { --accent: var(--silver-2); }

.page-news .entry:hover {
  background: var(--ink-3);
}

.page-news .entry__top {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 8px;
}

.page-news .entry__no {
  font-family: var(--font-num);
  font-size: 13px;
  letter-spacing: .08em;
  color: var(--gold);
}

.page-news .entry__no::before {
  content: counter(entry, decimal-leading-zero);
}

.page-news .entry__tag {
  font-size: 12px;
  letter-spacing: .12em;
  padding: 3px 8px;
}

.page-news .entry__time {
  margin-left: auto;
  font-family: var(--font-num);
  font-size: 12.5px;
  letter-spacing: .06em;
  color: var(--silver-2);
}

.page-news .entry__title {
  margin: 0;
  font-family: var(--font-body);
  font-size: 17px;
  font-weight: 600;
  line-height: 1.62;
  letter-spacing: .03em;
  color: var(--silver);
}

.page-news .entry__more {
  margin-top: 4px;
}

.page-news .entry__more summary {
  list-style: none;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  min-height: 48px;
  padding-right: 8px;
  cursor: pointer;
  font-size: 13.5px;
  letter-spacing: .1em;
  color: var(--gold);
}

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

.page-news .entry__more summary::before {
  content: "";
  width: 9px;
  height: 9px;
  border-right: 1px solid var(--gold);
  border-bottom: 1px solid var(--gold);
  transform: rotate(-45deg) translate(-1px, -1px);
  transition: transform .24s var(--ease);
}

.page-news .entry__more[open] summary::before {
  transform: rotate(45deg) translate(-2px, -1px);
}

.page-news .entry__more summary:hover,
.page-news .entry__more summary:focus-visible {
  color: var(--gold-hi);
}

.page-news .entry__more p {
  margin: 0 0 8px;
  padding-left: 14px;
  border-left: 1px solid var(--line-soft);
  color: var(--silver-2);
  font-size: 15px;
  line-height: 1.8;
  letter-spacing: .04em;
}

.page-news .stream__foot {
  margin: 16px 0 0;
  font-size: 13px;
  line-height: 1.75;
  letter-spacing: .04em;
  color: var(--silver-2);
}

/* ---------- 标签释义 ---------- */
.page-news .rules,
.page-news .series,
.page-news .cadence,
.page-news .archive {
  margin-top: clamp(48px, 9vw, 88px);
}

.page-news .rules__grid {
  display: grid;
  gap: clamp(20px, 4vw, 32px);
}

.page-news .rules__media img,
.page-news .cadence__media img,
.page-news .archive__collage img {
  width: 100%;
  height: auto;
  display: block;
  object-fit: cover;
}

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

.page-news .rule {
  border: 1px solid var(--line-soft);
  border-left: 3px solid var(--gold);
  background: var(--ink-2);
  padding: 16px 18px;
}

.page-news .rule:nth-child(2) { border-left-color: var(--jade); }
.page-news .rule:nth-child(3) { border-left-color: var(--cinnabar); }
.page-news .rule:nth-child(4) { border-left-color: var(--silver-2); }

.page-news .rule__name {
  margin: 0 0 8px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 20px;
  letter-spacing: .04em;
  color: var(--gold-hi);
}

.page-news .rule__body {
  margin: 0;
  color: var(--silver-2);
  font-size: 15.5px;
  line-height: 1.8;
  letter-spacing: .04em;
}

/* ---------- 专题系列 ---------- */
.page-news .series__list {
  list-style: none;
  margin: 0;
  padding: 0;
  counter-reset: series;
  display: grid;
  gap: 14px;
}

.page-news .series__item {
  counter-increment: series;
  position: relative;
  border: 1px solid var(--line-soft);
  background: var(--ink-2);
  padding: 20px 18px 20px 66px;
}

.page-news .series__item::before {
  content: counter(series, decimal-leading-zero);
  position: absolute;
  top: 20px;
  left: 18px;
  font-family: var(--font-num);
  font-size: 20px;
  letter-spacing: .04em;
  color: var(--cinnabar);
  border-right: 1px solid var(--line-soft);
  padding-right: 12px;
}

.page-news .series__name {
  margin: 0 0 10px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 22px;
  letter-spacing: .04em;
  color: var(--silver);
}

.page-news .series__focus {
  margin: 0 0 8px;
  color: var(--silver);
  font-size: 15.5px;
  line-height: 1.8;
  letter-spacing: .04em;
}

.page-news .series__progress {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.8;
  letter-spacing: .04em;
  color: var(--gold);
}

/* ---------- 节奏 ---------- */
.page-news .cadence__grid {
  display: grid;
  gap: clamp(20px, 4vw, 32px);
}

.page-news .cadence__list {
  margin: 0;
  border-top: 1px solid var(--line-soft);
}

.page-news .cadence__row {
  display: grid;
  gap: 6px;
  padding: 14px 0;
  border-bottom: 1px solid var(--line-soft);
}

.page-news .cadence__row dt {
  font-size: 12.5px;
  letter-spacing: .16em;
  color: var(--gold);
}

.page-news .cadence__row dd {
  margin: 0;
  color: var(--silver);
  font-size: 15.5px;
  line-height: 1.8;
  letter-spacing: .04em;
}

/* ---------- 往季归档 ---------- */
.page-news .archive__collage {
  margin-bottom: clamp(20px, 4vw, 30px);
}

.page-news .archive__grid {
  display: grid;
  gap: 14px;
}

.page-news .past {
  border: 1px solid var(--line-soft);
  border-top: 3px solid var(--line);
  background: linear-gradient(180deg, var(--paper), #EDE7D6);
  color: var(--ink);
  box-shadow: 0 10px 0 -6px rgba(11, 11, 15, .85), 0 18px 0 -12px rgba(106, 83, 39, .5);
  transition: transform .24s var(--ease), box-shadow .24s var(--ease);
}

.page-news .past:hover {
  transform: translateY(-4px);
}

.page-news .past__head {
  list-style: none;
  cursor: pointer;
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 4px 12px;
  padding: 14px 16px;
  min-height: 48px;
}

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

.page-news .past__season {
  grid-column: 1;
  font-size: 12px;
  letter-spacing: .16em;
  color: #7A5A22;
}

.page-news .past__count {
  grid-column: 2;
  grid-row: 1 / span 2;
  align-self: center;
  font-family: var(--font-num);
  font-size: 13px;
  color: var(--cinnabar);
  border: 1px solid rgba(200, 56, 46, .5);
  padding: 3px 8px;
}

.page-news .past__title {
  grid-column: 1;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 19px;
  line-height: 1.4;
  letter-spacing: .02em;
  color: var(--ink);
}

.page-news .past__list {
  list-style: none;
  margin: 0;
  padding: 0 16px 16px;
  display: grid;
  gap: 8px;
  border-top: 1px solid rgba(106, 83, 39, .35);
  padding-top: 12px;
}

.page-news .past__list li {
  position: relative;
  padding-left: 16px;
  font-size: 14.5px;
  line-height: 1.75;
  letter-spacing: .02em;
  color: #2A2620;
}

.page-news .past__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .68em;
  width: 6px;
  height: 1px;
  background: var(--cinnabar);
}

.page-news .archive__foot {
  margin: 22px 0 0;
  font-size: 14px;
  line-height: 1.85;
  letter-spacing: .04em;
  color: var(--silver-2);
}

.page-news .archive__foot a {
  color: var(--gold);
  text-decoration: none;
  border-bottom: 1px solid var(--line-soft);
}

.page-news .archive__foot a:hover,
.page-news .archive__foot a:focus-visible {
  color: var(--gold-hi);
  border-bottom-color: var(--gold-hi);
}

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .page-news .news-head__facts {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-news .issue__grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.05fr);
    align-items: center;
  }

  .page-news .rules__list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-news .series__list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-news .archive__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 900px) {
  .page-news .rules__grid {
    grid-template-columns: minmax(0, 40fr) minmax(0, 60fr);
    align-items: start;
  }

  .page-news .cadence__grid {
    grid-template-columns: minmax(0, 54fr) minmax(0, 46fr);
    align-items: start;
  }
}

@media (min-width: 960px) {
  .page-news .news-layout {
    grid-template-columns: minmax(0, 34fr) minmax(0, 66fr);
    gap: clamp(32px, 5vw, 60px);
  }

  .page-news .index-rail {
    position: sticky;
    top: calc(var(--bar-h) + 18px);
  }
}

@media (min-width: 1100px) {
  .page-news .archive__grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-news .series__list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 16px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-news .entry,
  .page-news .rail-tag,
  .page-news .rail-toc__link,
  .page-news .past,
  .page-news .entry__more summary::before {
    transition: none;
  }

  .page-news .past:hover {
    transform: none;
  }
}