.page-news {
  background: var(--paper);
  color: var(--ink);
}

.page-news .breadcrumb {
  margin-top: 22px;
}

/* ---------- 首屏 ---------- */
.page-news .news-hero {
  position: relative;
  overflow: hidden;
  background: var(--deep);
  color: var(--paper);
  padding: clamp(40px, 8vw, 88px) 0 clamp(36px, 6vw, 64px);
  margin-top: 16px;
}

.page-news .news-hero::after {
  content: "";
  position: absolute;
  right: -18%;
  top: -35%;
  width: min(620px, 88vw);
  height: 165%;
  background: linear-gradient(158deg, rgba(212, 175, 55, 0.24), rgba(18, 194, 176, 0.12) 58%, rgba(11, 61, 46, 0) 100%);
  clip-path: polygon(30% 0, 100% 0, 100% 100%, 0 100%);
  pointer-events: none;
}

.page-news .news-hero__inner {
  position: relative;
  z-index: 1;
  display: grid;
  gap: var(--gap-m);
}

.page-news .news-hero__head {
  max-width: 40em;
}

.page-news .news-hero__head h1 {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(34px, 7vw, 60px);
  line-height: 1.14;
  letter-spacing: -0.01em;
  margin: 18px 0 0;
  color: var(--paper);
}

.page-news .news-hero__lead {
  margin: 20px 0 0;
  font-size: 16px;
  line-height: 1.85;
  color: rgba(246, 242, 233, 0.86);
}

.page-news .news-hero__meta {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: rgba(212, 175, 55, 0.28);
  border-top: 2px solid var(--gold);
}

.page-news .hero-stat {
  background: var(--deep-2);
  padding: 18px 14px;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.page-news .hero-stat__num {
  font-family: var(--font-mono);
  font-size: clamp(24px, 5vw, 34px);
  font-weight: 700;
  color: var(--gold);
  line-height: 1;
}

.page-news .hero-stat__unit {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--cyan);
}

.page-news .hero-stat__cap {
  font-size: 12px;
  color: rgba(246, 242, 233, 0.72);
  line-height: 1.5;
}

/* ---------- 通用章节 ---------- */
.page-news .section {
  padding: clamp(48px, 8vw, 84px) 0;
}

.page-news .section--warm {
  background: var(--paper-warm);
}

.page-news .section--deep {
  background: var(--deep);
  color: var(--paper);
}

.page-news .section--deep .section-head__title,
.page-news .section--deep .section-head__lead {
  color: var(--paper);
}

.page-news .section--deep .section-head__num {
  color: var(--gold);
  border-top-color: var(--gold);
}

.page-news .news-figure,
.page-news .feed-figure,
.page-news .topic-figure,
.page-news .version-figure {
  margin-top: var(--gap-m);
}

.page-news .media-frame figcaption {
  margin-top: 10px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--ink-soft);
}

/* ---------- 01 四类栏目 ---------- */
.page-news .cat-grid {
  display: grid;
  gap: var(--gap-s);
  margin-top: var(--gap-m);
}

.page-news .cat-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-left: 3px solid var(--gold-dark);
  padding: 24px 20px 26px;
  clip-path: polygon(0 0, calc(100% - 18px) 0, 100% 18px, 100% 100%, 0 100%);
  transition: transform 220ms ease, border-color 220ms ease;
}

.page-news .cat-card:hover {
  transform: translateY(-3px);
  border-left-color: var(--orange);
}

.page-news .cat-card--live { border-left-color: var(--cyan); }
.page-news .cat-card--review { border-left-color: var(--deep-2); }
.page-news .cat-card--data { border-left-color: var(--ink-soft); }

.page-news .cat-card__title {
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 900;
  margin: 14px 0 6px;
  color: var(--deep);
}

.page-news .cat-card__when {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--gold-dark);
  margin: 0 0 12px;
}

.page-news .cat-card__text {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--ink-soft);
}

/* ---------- 分类标签 ---------- */
.page-news .chip {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  line-height: 1;
  padding: 5px 9px;
  border: 1px solid var(--ink-soft);
  color: var(--ink);
  background: transparent;
  white-space: nowrap;
}

.page-news .chip--preview { border-color: var(--gold-dark); }
.page-news .chip--live { border-color: var(--cyan); }
.page-news .chip--review { border-color: var(--deep-2); }
.page-news .chip--data { border-color: var(--orange); }
.page-news .chip--topic { border-color: var(--gold); color: var(--gold); }

/* ---------- 02 更新节奏 ---------- */
.page-news .rhythm-grid {
  display: grid;
  gap: var(--gap-m);
  margin-top: var(--gap-m);
}

.page-news .rhythm-figures {
  display: grid;
  gap: 1px;
  background: var(--border);
  align-content: start;
}

.page-news .figure-block {
  background: var(--surface);
  padding: 20px;
  display: grid;
  gap: 6px;
}

.page-news .figure-block__num {
  font-family: var(--font-mono);
  font-size: 40px;
  font-weight: 700;
  line-height: 1;
  color: var(--deep);
}

.page-news .figure-block__cap {
  font-size: 13px;
  line-height: 1.7;
  color: var(--ink-soft);
}

.page-news .rhythm-notes {
  display: grid;
  gap: 18px;
}

.page-news .note-block {
  border-top: 1px solid rgba(11, 61, 46, 0.18);
  padding-top: 16px;
}

.page-news .note-block h3 {
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 900;
  margin: 0 0 8px;
  color: var(--deep);
}

.page-news .note-block p {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--ink-soft);
}

/* ---------- 03 条目流 ---------- */
.page-news .feed-wrap {
  margin-top: var(--gap-m);
  display: grid;
  gap: var(--gap-s);
}

.page-news .feed-rail {
  align-self: start;
}

.page-news .feed-rail__label {
  display: block;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--gold-dark);
  border-top: 2px solid var(--gold);
  padding-top: 10px;
  margin-bottom: 12px;
}

.page-news .feed-rail__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  gap: 10px;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.page-news .feed-rail__link {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  text-decoration: none;
  color: var(--ink);
  font-size: 13px;
  white-space: nowrap;
  padding: 7px 11px;
  border: 1px solid var(--border);
  background: var(--surface);
  transition: border-color 180ms ease, color 180ms ease;
}

.page-news .feed-rail__link:hover,
.page-news .feed-rail__link:focus-visible {
  border-color: var(--orange);
  color: var(--deep);
}

.page-news .feed-rail__dot {
  width: 8px;
  height: 8px;
  display: inline-block;
  background: var(--gold-dark);
  flex: none;
}

.page-news .feed-rail__dot--live { background: var(--cyan); }
.page-news .feed-rail__dot--review { background: var(--deep-2); }
.page-news .feed-rail__dot--data { background: var(--orange); }
.page-news .feed-rail__dot--topic { background: var(--gold); }

.page-news .feed-list {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid rgba(212, 175, 55, 0.5);
}

.page-news .feed-item {
  display: grid;
  grid-template-columns: 44px 1fr;
  gap: 12px;
  padding: 18px 12px 18px 0;
  border-bottom: 1px solid rgba(212, 175, 55, 0.32);
  transition: background-color 200ms ease;
}

.page-news .feed-item:hover,
.page-news .feed-item:focus-within {
  background: var(--paper-warm);
}

.page-news .feed-item__idx {
  position: relative;
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 700;
  color: var(--ink-soft);
  padding-top: 3px;
}

.page-news .feed-item__idx::before {
  content: "";
  position: absolute;
  left: 0;
  top: 24px;
  width: 22px;
  height: 3px;
  background: var(--gold-dark);
  transition: width 220ms ease, background-color 220ms ease;
}

.page-news .feed-item--live .feed-item__idx::before { background: var(--cyan); }
.page-news .feed-item--review .feed-item__idx::before { background: var(--deep-2); }
.page-news .feed-item--data .feed-item__idx::before { background: var(--orange); }
.page-news .feed-item--topic .feed-item__idx::before { background: var(--gold); }

.page-news .feed-item:hover .feed-item__idx::before {
  width: 34px;
}

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

.page-news .feed-item__stage {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  color: var(--ink-soft);
}

.page-news .feed-item__title {
  font-family: var(--font-display);
  font-size: 17px;
  font-weight: 900;
  line-height: 1.5;
  margin: 0 0 6px;
  color: var(--deep);
}

.page-news .feed-item__sum {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--ink-soft);
  display: -webkit-box;
  -webkit-line-clamp: 1;
  -webkit-box-orient: vertical;
  overflow: hidden;
  transition: -webkit-line-clamp 200ms ease;
}

.page-news .feed-item:hover .feed-item__sum,
.page-news .feed-item:focus-within .feed-item__sum {
  -webkit-line-clamp: 4;
}

/* ---------- 04 专题系列 ---------- */
.page-news .topic-scroller {
  display: flex;
  gap: var(--gap-s);
  margin-top: var(--gap-m);
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  padding-bottom: 14px;
  scroll-snap-type: x proximity;
}

.page-news .topic-scroller:focus-visible {
  outline: 2px solid var(--orange);
  outline-offset: 4px;
}

.page-news .topic-card {
  flex: 0 0 82%;
  scroll-snap-align: start;
  background: var(--deep-2);
  border: 1px solid rgba(212, 175, 55, 0.45);
  clip-path: polygon(0 0, calc(100% - 20px) 0, 100% 20px, 100% 100%, 0 100%);
  padding: 26px 22px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.page-news .topic-card__num {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--gold);
}

.page-news .topic-card__title {
  font-family: var(--font-display);
  font-size: 22px;
  font-weight: 900;
  margin: 0;
  color: var(--paper);
}

.page-news .topic-card__text {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: rgba(246, 242, 233, 0.82);
}

.page-news .topic-card__meta {
  margin: auto 0 0;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  color: var(--cyan);
  border-top: 1px solid rgba(18, 194, 176, 0.35);
  padding-top: 10px;
}

/* ---------- 05 版本更新 ---------- */
.page-news .ver-list {
  list-style: none;
  margin: var(--gap-m) 0 0;
  padding: 0 0 0 18px;
  border-left: 2px solid rgba(212, 175, 55, 0.55);
  display: grid;
  gap: 22px;
}

.page-news .ver-item {
  position: relative;
  display: grid;
  gap: 6px;
}

.page-news .ver-item::before {
  content: "";
  position: absolute;
  left: -24px;
  top: 6px;
  width: 10px;
  height: 10px;
  background: var(--paper);
  border: 2px solid var(--gold);
  transform: rotate(45deg);
}

.page-news .ver-item__num {
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--gold-dark);
}

.page-news .ver-item__title {
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 900;
  margin: 0;
  color: var(--deep);
}

.page-news .ver-item__body p {
  margin: 4px 0 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--ink-soft);
}

/* ---------- 06 阅读路径 ---------- */
.page-news .path-grid {
  display: grid;
  gap: var(--gap-s);
  margin-top: var(--gap-m);
}

.page-news .path-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-top: 3px solid var(--deep);
  padding: 24px 20px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  transition: border-top-color 200ms ease, transform 200ms ease;
}

.page-news .path-card:hover {
  border-top-color: var(--gold);
  transform: translateY(-3px);
}

.page-news .path-card__stage {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--gold-dark);
  text-transform: uppercase;
}

.page-news .path-card h3 {
  font-family: var(--font-display);
  font-size: 19px;
  font-weight: 900;
  margin: 0;
  color: var(--deep);
}

.page-news .path-card p {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--ink-soft);
}

.page-news .path-card__links {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 6px;
  padding-top: 12px;
  border-top: 1px solid var(--hair);
}

.page-news .path-link {
  font-size: 14px;
  color: var(--deep);
  text-decoration: none;
  border-bottom: 1px solid var(--gold);
  padding-bottom: 2px;
  transition: color 180ms ease, border-color 180ms ease;
}

.page-news .path-link span {
  display: inline-block;
  transition: transform 180ms ease;
}

.page-news .path-link:hover,
.page-news .path-link:focus-visible {
  color: var(--orange);
  border-color: var(--orange);
}

.page-news .path-link:hover span,
.page-news .path-link:focus-visible span {
  transform: translateX(4px);
}

.page-news .news-outro {
  margin-top: var(--gap-l);
  padding-top: var(--gap-s);
  border-top: 2px solid var(--gold);
  display: grid;
  gap: 20px;
}

.page-news .news-outro p {
  margin: 0;
  font-size: 15px;
  line-height: 1.85;
  color: var(--ink-soft);
  max-width: 64ch;
}

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

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .page-news .cat-grid,
  .page-news .path-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-news .rhythm-notes {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 20px 28px;
  }

  .page-news .topic-card {
    flex: 0 0 58%;
  }
}

@media (min-width: 900px) {
  .page-news .news-hero__inner {
    grid-template-columns: minmax(0, 1fr) 340px;
    align-items: end;
    gap: 56px;
  }

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

  .page-news .rhythm-grid {
    grid-template-columns: 300px minmax(0, 1fr);
    gap: 56px;
  }

  .page-news .feed-wrap {
    grid-template-columns: 190px minmax(0, 1fr);
    gap: 48px;
  }

  .page-news .feed-rail {
    position: sticky;
    top: 96px;
  }

  .page-news .feed-rail__list {
    flex-direction: column;
    gap: 6px;
    overflow: visible;
  }

  .page-news .feed-rail__link {
    border-color: transparent;
    background: transparent;
    padding: 6px 0;
  }

  .page-news .feed-rail__link:hover,
  .page-news .feed-rail__link:focus-visible {
    border-color: transparent;
    color: var(--orange);
  }

  .page-news .feed-item {
    grid-template-columns: 64px 1fr;
    gap: 18px;
    padding: 22px 16px 22px 0;
  }

  .page-news .feed-item__title {
    font-size: 18px;
  }

  .page-news .path-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-news .ver-list {
    padding-left: 26px;
  }

  .page-news .ver-item {
    grid-template-columns: 92px minmax(0, 1fr);
    gap: 20px;
    align-items: baseline;
  }

  .page-news .ver-item::before {
    left: -32px;
  }

  .page-news .topic-card {
    flex: 0 0 340px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-news .cat-card,
  .page-news .path-card,
  .page-news .feed-item,
  .page-news .feed-item__idx::before,
  .page-news .path-link span {
    transition: none;
  }

  .page-news .cat-card:hover,
  .page-news .path-card:hover {
    transform: none;
  }
}