.page-news {
  --news-line: rgba(185, 198, 190, .2);
  --news-line-soft: rgba(185, 198, 190, .1);
  --news-cut: 6deg;
}

/* ---------- 首屏 ---------- */
.page-news .news-hero {
  position: relative;
  padding: clamp(1.5rem, 4vw, 2.5rem) 0 clamp(2.5rem, 6vw, 4rem);
  overflow: hidden;
}

.page-news .news-hero__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(2rem, 5vw, 3rem);
  align-items: end;
}

.page-news .news-hero__lede .eyebrow {
  margin-bottom: .75rem;
}

.page-news .news-hero__lede .display-title {
  margin: 0 0 1.25rem;
  font-size: clamp(2.1rem, 7vw, 3.4rem);
  line-height: 1.12;
  letter-spacing: -.01em;
}

.page-news .news-hero__lede .lead {
  max-width: 46ch;
  color: var(--on-dark);
  opacity: .84;
}

.page-news .news-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: .75rem;
  margin-top: 1.75rem;
}

.page-news .news-hero__board {
  position: relative;
  padding: clamp(1.25rem, 3vw, 1.75rem);
  background:
    radial-gradient(circle at 1px 1px, rgba(56, 242, 200, .18) 1px, transparent 0) 0 0 / 14px 14px,
    var(--ink-2);
  border: 1px solid var(--news-line);
  border-radius: var(--r-lg);
  clip-path: polygon(0 0, 100% 0, 100% 100%, 0 calc(100% - 18px));
}

.page-news .news-board__row {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 1rem;
  padding: .55rem 0;
  border-bottom: 1px dashed var(--news-line-soft);
}

.page-news .news-board__row:last-of-type {
  border-bottom: 0;
}

.page-news .news-board__k {
  font-size: .8125rem;
  letter-spacing: .04em;
  color: var(--sage-2);
}

.page-news .news-board__v {
  font-family: var(--font-num);
  font-variant-numeric: tabular-nums;
  font-size: 1.375rem;
  font-weight: 600;
  color: var(--amber);
}

.page-news .news-board__note {
  margin: .9rem 0 0;
  padding-top: .9rem;
  border-top: 1px solid var(--news-line);
  font-size: .75rem;
  line-height: 1.7;
  letter-spacing: .03em;
  color: var(--sage);
}

/* ---------- 更新日历 ---------- */
.page-news .news-rhythm {
  padding: clamp(2.5rem, 6vw, 4rem) 0;
  background: var(--ink-2);
  border-top: 1px solid var(--news-line);
  border-bottom: 1px solid var(--news-line);
}

.page-news .news-rhythm__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(1.75rem, 4vw, 2.5rem);
}

.page-news .news-rhythm__main .section-title {
  margin: 0 0 .9rem;
  font-size: clamp(1.5rem, 4.5vw, 2.05rem);
  line-height: 1.25;
}

.page-news .news-rhythm__text {
  max-width: 54ch;
  margin: 0 0 1.75rem;
  color: var(--on-dark);
  opacity: .8;
  line-height: 1.8;
}

.page-news .week-strip {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(7, minmax(0, 1fr));
  gap: .4rem;
}

.page-news .week-strip__day {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: .4rem;
  padding: .6rem .15rem;
  border-radius: var(--r-sm);
  border: 1px solid transparent;
  transition: border-color .2s var(--ease), background-color .2s var(--ease);
}

.page-news .week-strip__dot {
  width: 11px;
  height: 11px;
  border-radius: 50%;
  border: 1.5px solid var(--sage);
  background: transparent;
  transition: transform .2s var(--ease), border-color .2s var(--ease);
}

.page-news .week-strip__name {
  font-family: var(--font-num);
  font-size: .75rem;
  color: var(--sage-2);
}

.page-news .week-strip__tag {
  font-size: .5625rem;
  line-height: 1.35;
  text-align: center;
  letter-spacing: .04em;
  color: var(--sage);
}

.page-news .week-strip__day.is-live .week-strip__dot {
  background: var(--cyan);
  border-color: var(--cyan);
  box-shadow: 0 0 0 4px rgba(56, 242, 200, .16);
}

.page-news .week-strip__day.is-live .week-strip__name {
  color: var(--cyan);
  font-weight: 600;
}

.page-news .week-strip__day.is-live .week-strip__tag {
  color: var(--orange);
}

.page-news .week-strip__day:hover {
  border-color: var(--cyan);
  background: rgba(56, 242, 200, .06);
}

.page-news .week-strip__day:hover .week-strip__dot {
  transform: scale(1.15);
}

.page-news .news-rhythm__figure {
  margin: 0;
  overflow: hidden;
  border-radius: var(--r-lg);
  border: 1px solid var(--news-line);
}

.page-news .news-rhythm__figure img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
  filter: saturate(.85);
}

.page-news .news-rhythm__figure figcaption {
  padding: .7rem 1rem .85rem;
  font-size: .75rem;
  letter-spacing: .03em;
  color: var(--sage-2);
  background: rgba(8, 21, 15, .5);
}

/* ---------- 条目列表 ---------- */
.page-news .news-feed {
  padding: clamp(2.5rem, 6vw, 4.5rem) 0;
}

.page-news .news-feed__head {
  margin-bottom: clamp(1.5rem, 4vw, 2.25rem);
}

.page-news .news-feed__lead {
  max-width: 52ch;
  color: var(--sage-2);
  opacity: .9;
}

.page-news .news-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: .25rem;
}

.page-news .news-item {
  position: relative;
  padding: .95rem 0 .95rem 1.15rem;
  border-bottom: 1px solid var(--news-line-soft);
  transition: transform .2s var(--ease), border-color .2s var(--ease);
}

.page-news .news-item::before {
  content: "";
  position: absolute;
  left: 0;
  top: .95rem;
  bottom: .95rem;
  width: 3px;
  border-radius: var(--r-pill);
  background: var(--sage);
}

.page-news .news-item:hover {
  transform: translateX(4px);
  border-bottom-color: var(--news-line);
}

.page-news .news-item.is-guide::before { background: var(--cyan); }
.page-news .news-item.is-data::before { background: var(--amber); }
.page-news .news-item.is-review::before { background: var(--sage-2); }
.page-news .news-item.is-topic::before { background: var(--orange); }
.page-news .news-item.is-version::before { background: var(--sage); }
.page-news .news-item.is-author::before { background: var(--paper-2); }

.page-news .news-item__meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: .6rem;
  margin: 0 0 .35rem;
}

.page-news .news-item__series {
  font-size: .6875rem;
  letter-spacing: .1em;
  padding: .18rem .55rem;
  border-radius: var(--r-pill);
  border: 1px solid var(--news-line);
  color: var(--on-dark);
}

.page-news .news-item__when {
  font-family: var(--font-num);
  font-size: .6875rem;
  letter-spacing: .06em;
  color: var(--orange);
}

.page-news .news-item__title {
  margin: 0 0 .3rem;
  font-family: var(--font-head);
  font-size: clamp(1.0625rem, 3.4vw, 1.25rem);
  font-weight: 700;
  line-height: 1.35;
  letter-spacing: .01em;
  color: var(--on-dark);
}

.page-news .news-item__text {
  margin: 0;
  max-width: 64ch;
  font-size: .875rem;
  line-height: 1.75;
  color: var(--sage-2);
}

.page-news .news-feed__figure {
  margin: 1.75rem 0;
  overflow: hidden;
  border-radius: var(--r-lg);
  border: 1px solid var(--news-line);
}

.page-news .news-feed__figure img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
  filter: saturate(.8);
}

.page-news .news-feed__figure figcaption {
  padding: .7rem 1rem .85rem;
  font-size: .75rem;
  letter-spacing: .03em;
  color: var(--sage);
}

/* ---------- 专题合集 ---------- */
.page-news .news-topics {
  padding: clamp(2.5rem, 6vw, 4.5rem) 0;
  background: var(--paper);
  color: var(--on-paper);
  border-top: 1px solid var(--line-light);
  border-bottom: 1px solid var(--line-light);
}

.page-news .news-topics .eyebrow {
  color: var(--sage);
}

.page-news .news-topics .section-title {
  margin: 0 0 .85rem;
  color: var(--on-paper);
  font-size: clamp(1.5rem, 4.5vw, 2.05rem);
}

.page-news .news-topics .lead {
  max-width: 54ch;
  color: var(--on-paper);
  opacity: .78;
}

.page-news .news-topics__figure {
  margin: 1.75rem 0 0;
  overflow: hidden;
  border-radius: var(--r-lg);
  border: 1px solid var(--line-light);
}

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

.page-news .news-topics__figure figcaption {
  padding: .7rem 1rem .85rem;
  font-size: .75rem;
  letter-spacing: .03em;
  color: var(--on-paper);
  opacity: .6;
  background: var(--paper-2);
}

.page-news .stage-board {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: .6rem;
  margin: clamp(1.75rem, 4vw, 2.5rem) 0;
}

.page-news .stage-col {
  padding: 1rem;
  border-radius: var(--r-md);
  background: var(--paper-2);
  border: 1px solid var(--line-light);
}

.page-news .stage-col__label {
  margin: 0;
  font-family: var(--font-head);
  font-size: .8125rem;
  letter-spacing: .16em;
  color: var(--on-paper);
  opacity: .7;
}

.page-news .stage-col__count {
  margin: .2rem 0 .35rem;
  font-family: var(--font-num);
  font-variant-numeric: tabular-nums;
  font-size: 1.75rem;
  font-weight: 600;
  line-height: 1;
  color: var(--ink-2);
}

.page-news .stage-col__text {
  margin: 0;
  font-size: .8125rem;
  line-height: 1.65;
  color: var(--on-paper);
  opacity: .72;
}

.page-news .topic-cards {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: .75rem;
}

.page-news .topic-card {
  position: relative;
  padding: 1.25rem;
  border-radius: var(--r-md);
  background: linear-gradient(150deg, var(--ink-2) 0%, var(--ink) 70%);
  color: var(--on-dark);
  overflow: hidden;
  transition: transform .2s var(--ease), box-shadow .2s var(--ease);
}

.page-news .topic-card::after {
  content: "";
  position: absolute;
  right: -32px;
  bottom: -32px;
  width: 96px;
  height: 96px;
  border: 1px solid rgba(56, 242, 200, .28);
  border-radius: 50%;
  pointer-events: none;
}

.page-news .topic-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 0 0 1px var(--cyan);
}

.page-news .topic-card__no {
  margin: 0 0 .3rem;
  font-family: var(--font-num);
  font-variant-numeric: tabular-nums;
  font-size: 2rem;
  font-weight: 600;
  line-height: 1;
  color: rgba(56, 242, 200, .55);
}

.page-news .topic-card__title {
  margin: 0 0 .45rem;
  font-family: var(--font-head);
  font-size: 1.125rem;
  font-weight: 700;
  letter-spacing: .02em;
}

.page-news .topic-card__text {
  margin: 0 0 .9rem;
  font-size: .8125rem;
  line-height: 1.7;
  color: var(--sage-2);
}

.page-news .topic-card__foot {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: .6rem;
  margin: 0;
}

.page-news .topic-card__meta {
  font-family: var(--font-num);
  font-size: .6875rem;
  letter-spacing: .06em;
  color: var(--sage);
}

/* ---------- 合作作者 ---------- */
.page-news .news-authors {
  padding: clamp(2.5rem, 6vw, 4.5rem) 0;
  border-bottom: 1px solid var(--news-line);
}

.page-news .news-authors__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(1.75rem, 4vw, 2.5rem);
}

.page-news .news-authors__main .section-title {
  margin: 0 0 .9rem;
  font-size: clamp(1.5rem, 4.5vw, 2.05rem);
  line-height: 1.25;
}

.page-news .news-authors__text {
  max-width: 56ch;
  margin: 0 0 1rem;
  line-height: 1.85;
  color: var(--on-dark);
  opacity: .82;
}

.page-news .news-authors__aside {
  display: grid;
  gap: 1rem;
}

.page-news .news-authors__figure {
  margin: 0;
  overflow: hidden;
  border-radius: var(--r-lg);
  border: 1px solid var(--news-line);
}

.page-news .news-authors__figure img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
  filter: saturate(.85);
}

.page-news .author-note {
  padding: 1.15rem;
  border-radius: var(--r-md);
  background: var(--ink-2);
  border: 1px solid var(--news-line);
  clip-path: polygon(0 0, 100% 0, 100% 100%, 0 calc(100% - 14px));
}

.page-news .author-note__label {
  margin: 0 0 .7rem;
  font-size: .6875rem;
  letter-spacing: .12em;
  color: var(--sage);
}

.page-news .author-note__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: .55rem;
}

.page-news .author-note__list li {
  display: flex;
  align-items: baseline;
  gap: .6rem;
  font-size: .8125rem;
  line-height: 1.6;
  color: var(--sage-2);
}

.page-news .author-note__list .is-num {
  font-family: var(--font-num);
  font-variant-numeric: tabular-nums;
  font-size: 1.0625rem;
  font-weight: 600;
  color: var(--amber);
  min-width: 2.2ch;
}

/* ---------- 归档 ---------- */
.page-news .news-archive-band {
  padding: clamp(2.5rem, 6vw, 4.5rem) 0 clamp(3rem, 7vw, 5rem);
  background: var(--ink-2);
}

.page-news .news-archive-band .section-title {
  margin: 0 0 .85rem;
  font-size: clamp(1.5rem, 4.5vw, 2.05rem);
}

.page-news .news-archive-band .lead {
  max-width: 58ch;
  color: var(--on-dark);
  opacity: .82;
}

.page-news .archive-stack {
  display: grid;
  gap: .55rem;
  margin-top: clamp(1.5rem, 4vw, 2rem);
}

.page-news .archive-slot {
  border-radius: var(--r-md);
  border: 1px solid var(--news-line);
  background: rgba(8, 21, 15, .45);
  overflow: hidden;
  transition: border-color .2s var(--ease);
}

.page-news .archive-slot[open] {
  border-color: rgba(56, 242, 200, .45);
}

.page-news .archive-slot__head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: .5rem;
  padding: .9rem 1.1rem;
  cursor: pointer;
  list-style: none;
  font-family: var(--font-head);
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: .03em;
  color: var(--on-dark);
}

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

.page-news .archive-slot__head:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 2px;
}

.page-news .archive-slot__count {
  font-family: var(--font-num);
  font-variant-numeric: tabular-nums;
  font-size: .6875rem;
  font-weight: 400;
  letter-spacing: .06em;
  color: var(--sage-2);
}

.page-news .archive-slot__text {
  margin: 0;
  padding: 0 1.1rem 1rem;
  font-size: .8125rem;
  line-height: 1.75;
  color: var(--sage-2);
}

.page-news .archive-cta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  margin-top: 1.75rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--news-line);
}

.page-news .archive-cta__text {
  margin: 0;
  max-width: 52ch;
  font-size: .875rem;
  line-height: 1.75;
  color: var(--sage-2);
}

/* ---------- 响应式 ---------- */
@media (min-width: 720px) {
  .page-news .topic-cards {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-news .stage-board {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

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

  .page-news .week-strip {
    gap: .5rem;
  }

  .page-news .week-strip__tag {
    font-size: .625rem;
  }
}

@media (min-width: 960px) {
  .page-news .news-hero__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    gap: clamp(2rem, 5vw, 4rem);
  }

  .page-news .news-rhythm__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 4fr);
    align-items: start;
  }

  .page-news .news-rhythm__figure {
    margin-top: .5rem;
  }

  .page-news .news-authors__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 4fr);
    align-items: start;
  }

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

  .page-news .news-item {
    padding-left: 1.4rem;
  }

  .page-news .news-feed__figure {
    margin: 2.25rem 0;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-news .news-item,
  .page-news .topic-card,
  .page-news .week-strip__day,
  .page-news .week-strip__dot {
    transition: none;
  }

  .page-news .news-item:hover,
  .page-news .topic-card:hover {
    transform: none;
  }
}