.page-news {
  --news-gap: 18px;
  --news-pad: 20px;
  --news-rail-w: 210px;
  background: var(--im-paper-50);
  color: var(--im-ink-900);
  font-family: var(--im-font-body);
  overflow-x: hidden;
}
.page-news :focus-visible {
  outline: 2px solid var(--im-teal-400);
  outline-offset: 2px;
}
.page-news .section {
  padding-block: 52px;
}

/* ---------- 首屏 ---------- */
.page-news .news-hero {
  position: relative;
  padding: 22px 0 84px;
  color: var(--im-white-ink);
  background:
    radial-gradient(120% 90% at 88% 0%, rgba(79, 227, 193, .16), transparent 62%),
    linear-gradient(152deg, var(--im-ink-900) 0%, var(--im-ink-700) 68%, var(--im-ink-900) 100%);
  overflow: hidden;
}
.page-news .news-hero::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: -1px;
  height: 58px;
  background: var(--im-paper-50);
  clip-path: polygon(0 100%, 100% 0, 100% 100%);
}
.page-news .news-hero .breadcrumbs ol {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0 0 26px;
  padding: 0;
  list-style: none;
  font-size: 12px;
  letter-spacing: .04em;
  color: var(--im-teal-200);
}
.page-news .news-hero .breadcrumbs li + li::before {
  content: "/";
  margin-right: 8px;
  color: var(--im-gray-500);
}
.page-news .news-hero .breadcrumbs a {
  color: var(--im-teal-200);
  text-decoration: none;
  border-bottom: 1px solid rgba(169, 243, 226, .35);
}
.page-news .news-hero .breadcrumbs a:hover {
  color: var(--im-teal-400);
}
.page-news .hero-grid {
  display: grid;
  gap: 30px;
  align-items: center;
}
.page-news .hero-copy .label-chip {
  color: var(--im-teal-200);
  border-color: var(--im-line-dark);
}
.page-news .hero-copy h1 {
  margin: 16px 0 18px;
  font-family: var(--im-font-display);
  font-weight: 700;
  font-size: clamp(2.1rem, 6.4vw, 3.9rem);
  line-height: 1.06;
  letter-spacing: -.01em;
  color: var(--im-white-ink);
}
.page-news .hero-lead {
  margin: 0;
  max-width: 46ch;
  font-size: 16px;
  line-height: 1.85;
  color: rgba(233, 243, 239, .82);
}
.page-news .hero-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 24px;
}
.page-news .hero-meta-item {
  padding: 6px 14px;
  font-size: 12px;
  letter-spacing: .05em;
  color: var(--im-teal-200);
  border: 1px solid var(--im-line-dark);
  border-radius: var(--im-radius-pill);
  background: rgba(14, 42, 34, .55);
}
.page-news .hero-visual {
  position: relative;
  padding: 10px;
  border: 1px solid var(--im-line-dark);
  border-radius: var(--im-radius-l);
  background: rgba(6, 17, 14, .35);
}
.page-news .hero-visual svg {
  display: block;
  width: 100%;
  height: auto;
}

/* ---------- 三个系列 ---------- */
.page-news .series-section {
  background: var(--im-paper-50);
}
.page-news .section-head {
  margin-bottom: 30px;
}
.page-news .series-section .section-title,
.page-news .notes-section .section-title,
.page-news .scene-section .section-title,
.page-news .versions-section .section-title {
  color: var(--im-ink-900);
}
.page-news .series-section .section-lead,
.page-news .notes-section .section-lead,
.page-news .scene-section .section-lead,
.page-news .versions-section .section-lead {
  color: var(--im-gray-500);
  max-width: 62ch;
}
.page-news .series-grid {
  display: grid;
  gap: 26px;
}
.page-news .series-rail {
  display: flex;
  gap: 10px;
  overflow-x: auto;
  padding-bottom: 6px;
}
.page-news .series-tag {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  flex: 0 0 auto;
  padding: 9px 14px;
  border: 1px solid var(--im-line-strong);
  border-radius: var(--im-radius-s);
  background: var(--im-paper-100);
}
.page-news .series-tag-index {
  font-size: 11px;
  color: var(--im-orange-500);
  letter-spacing: .08em;
}
.page-news .series-tag-name {
  font-family: var(--im-font-display);
  font-size: 15px;
  font-weight: 700;
  letter-spacing: .04em;
  color: var(--im-ink-700);
}
.page-news .series-body {
  display: grid;
  gap: 22px;
}
.page-news .series-item {
  padding-top: 16px;
  border-top: 1px solid var(--im-line-strong);
}
.page-news .series-item-head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 10px;
  margin-bottom: 8px;
}
.page-news .series-item h3 {
  margin: 0;
  font-family: var(--im-font-display);
  font-size: 1.22rem;
  font-weight: 700;
  letter-spacing: .01em;
  color: var(--im-ink-900);
}
.page-news .series-item-cadence {
  font-family: var(--im-font-mono);
  font-size: 10px;
  letter-spacing: .1em;
  color: var(--im-ink-500);
  border: 1px solid var(--im-line);
  border-radius: var(--im-radius-s);
  padding: 3px 7px;
}
.page-news .series-item p {
  margin: 0;
  font-size: 15px;
  line-height: 1.85;
  color: var(--im-ink-700);
}

/* ---------- 近期条目 ---------- */
.page-news .notes-section {
  background: var(--im-paper-100);
}
.page-news .notes-stream {
  display: grid;
  gap: var(--news-gap);
}
.page-news .note-card {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: var(--news-pad);
  background: var(--im-paper-50);
  border: 1px solid var(--im-line-strong);
  border-radius: var(--im-radius-m);
  box-shadow: var(--im-shadow-paper);
  transition: transform 180ms var(--im-ease), border-color 180ms var(--im-ease), box-shadow 180ms var(--im-ease);
}
.page-news .note-card:hover,
.page-news .note-card:focus-within {
  transform: translateY(-2px);
  border-color: var(--im-teal-400);
  box-shadow: var(--im-shadow-lift);
}
.page-news .note-figure {
  margin-bottom: 4px;
}
.page-news .note-figure img,
.page-news .topic-figure img,
.page-news .scene-figure img,
.page-news .version-figure img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  border-radius: var(--im-radius-s);
}
.page-news .note-tag {
  align-self: flex-start;
  font-family: var(--im-font-mono);
  font-size: 10px;
  letter-spacing: .1em;
  color: var(--im-ink-700);
  border: 1px solid var(--im-line-strong);
  border-radius: var(--im-radius-s);
  padding: 3px 8px;
  background: var(--im-paper-100);
}
.page-news .note-title {
  margin: 0;
  font-family: var(--im-font-display);
  font-size: 1.18rem;
  font-weight: 700;
  line-height: 1.3;
  color: var(--im-ink-900);
}
.page-news .note-summary {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--im-ink-700);
}
.page-news .note-extra {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.8;
  color: var(--im-gray-500);
}
.page-news .note-time {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-top: 4px;
  font-family: var(--im-font-mono);
  font-size: 11.5px;
  letter-spacing: .06em;
  color: var(--im-gray-500);
}
.page-news .time-tick {
  display: inline-block;
  width: 20px;
  height: 1px;
  background: var(--im-line-strong);
}
@media (hover: hover) and (pointer: fine) {
  .page-news .note-extra {
    max-height: 0;
    opacity: 0;
    overflow: hidden;
    transition: max-height 200ms var(--im-ease), opacity 160ms var(--im-ease);
  }
  .page-news .note-card:hover .note-extra,
  .page-news .note-card:focus-within .note-extra {
    max-height: 8em;
    opacity: 1;
  }
}

/* ---------- 本轮专题 ---------- */
.page-news .topic-section {
  position: relative;
  padding-block: 60px;
  color: var(--im-white-ink);
  background:
    radial-gradient(90% 70% at 12% 0%, rgba(79, 227, 193, .14), transparent 60%),
    linear-gradient(165deg, var(--im-ink-900), var(--im-data-800));
  overflow: hidden;
}
.page-news .topic-watermark {
  position: absolute;
  top: -26px;
  right: -6px;
  font-size: clamp(140px, 30vw, 320px);
  line-height: 1;
  letter-spacing: -.04em;
  color: var(--im-teal-400);
  opacity: .12;
  pointer-events: none;
  user-select: none;
}
.page-news .topic-head {
  position: relative;
  z-index: 1;
  margin-bottom: 26px;
}
.page-news .topic-head .label-chip {
  color: var(--im-teal-200);
  border-color: var(--im-line-dark);
}
.page-news .topic-section .section-title {
  margin: 14px 0 12px;
  color: var(--im-white-ink);
}
.page-news .topic-section .section-lead {
  color: rgba(233, 243, 239, .74);
  max-width: 60ch;
}
.page-news .topic-tabs {
  position: relative;
  z-index: 1;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 24px;
}
.page-news .topic-tabs .tab {
  padding: 8px 16px;
  font-family: var(--im-font-mono);
  font-size: 12.5px;
  letter-spacing: .06em;
  color: var(--im-teal-200);
  background: transparent;
  border: 1px solid var(--im-line-dark);
  border-radius: var(--im-radius-pill);
  cursor: pointer;
  transition: background 160ms var(--im-ease), color 160ms var(--im-ease), border-color 160ms var(--im-ease);
}
.page-news .topic-tabs .tab:hover {
  border-color: var(--im-teal-400);
  color: var(--im-white-ink);
}
.page-news .topic-tabs .tab[aria-selected="true"] {
  background: var(--im-teal-400);
  border-color: var(--im-teal-400);
  color: var(--im-ink-900);
}
.page-news .topic-panel {
  position: relative;
  z-index: 1;
  display: grid;
  gap: 22px;
  padding: 20px;
  border: 1px solid var(--im-line-dark);
  border-radius: var(--im-radius-l);
  background: rgba(6, 17, 14, .38);
}
.page-news .topic-panel-body h3 {
  margin: 0 0 12px;
  font-family: var(--im-font-display);
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--im-white-ink);
}
.page-news .topic-panel-body p {
  margin: 0 0 14px;
  font-size: 15px;
  line-height: 1.85;
  color: rgba(233, 243, 239, .82);
}
.page-news .topic-points {
  margin: 0 0 18px;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 8px;
}
.page-news .topic-points li {
  padding-left: 16px;
  position: relative;
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--im-teal-200);
}
.page-news .topic-points li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .65em;
  width: 6px;
  height: 6px;
  background: var(--im-orange-500);
  border-radius: 1px;
}
.page-news .topic-link {
  display: inline-block;
  font-size: 13.5px;
  color: var(--im-teal-400);
  text-decoration: none;
  border-bottom: 1px solid rgba(79, 227, 193, .5);
  padding-bottom: 2px;
}
.page-news .topic-link:hover {
  color: var(--im-white-ink);
  border-bottom-color: var(--im-white-ink);
}

/* ---------- 场景笔记 ---------- */
.page-news .scene-section {
  background: var(--im-paper-100);
}
.page-news .scene-grid {
  display: grid;
  gap: 24px;
}
.page-news .scene-steps {
  display: grid;
  gap: 16px;
}
.page-news .scene-step {
  display: grid;
  gap: 6px;
  padding: 14px 16px;
  border-left: 2px solid var(--im-teal-400);
  background: var(--im-paper-50);
  border-radius: 0 var(--im-radius-s) var(--im-radius-s) 0;
}
.page-news .scene-time {
  font-size: 11.5px;
  letter-spacing: .08em;
  color: var(--im-orange-500);
}
.page-news .scene-text {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--im-ink-700);
}

/* ---------- 版本记录 ---------- */
.page-news .versions-section {
  background: var(--im-paper-50);
  position: relative;
}
.page-news .version-grid {
  display: grid;
  gap: 26px;
}
.page-news .version-list {
  display: grid;
  gap: 0;
}
.page-news .version-row {
  display: grid;
  grid-template-columns: 54px minmax(0, 1fr);
  gap: 14px;
  padding: 16px 0;
  border-bottom: 1px solid var(--im-line);
}
.page-news .version-row:first-child {
  border-top: 1px solid var(--im-line);
}
.page-news .version-chip {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  height: 28px;
  font-size: 12px;
  letter-spacing: .04em;
  color: var(--im-ink-900);
  background: var(--im-teal-200);
  border: 1px solid var(--im-line-strong);
  border-radius: var(--im-radius-s);
}
.page-news .version-title {
  margin: 0 0 6px;
  font-family: var(--im-font-display);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--im-ink-900);
}
.page-news .version-text {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--im-ink-700);
}

/* ---------- 追更 ---------- */
.page-news .follow-section {
  color: var(--im-white-ink);
  background:
    radial-gradient(80% 80% at 90% 100%, rgba(255, 138, 61, .16), transparent 58%),
    linear-gradient(200deg, var(--im-ink-700), var(--im-ink-900));
  padding-block: 58px;
}
.page-news .follow-section .label-chip {
  color: var(--im-orange-500);
  border-color: var(--im-line-dark);
}
.page-news .follow-section .section-title {
  margin: 14px 0 14px;
  color: var(--im-white-ink);
}
.page-news .follow-grid {
  display: grid;
  gap: 26px;
}
.page-news .follow-text {
  margin: 0;
  max-width: 58ch;
  font-size: 15px;
  line-height: 1.85;
  color: rgba(233, 243, 239, .82);
}
.page-news .follow-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-content: flex-start;
}

/* ---------- 响应式 ---------- */
@media (min-width: 720px) {
  .page-news .section {
    padding-block: 64px;
  }
  .page-news .notes-stream {
    grid-template-columns: repeat(12, minmax(0, 1fr));
    gap: 22px;
  }
  .page-news .note-card {
    grid-column: span 12;
  }
  .page-news .note-card--wide {
    grid-column: span 7;
  }
  .page-news .note-card--narrow {
    grid-column: span 5;
  }
  .page-news .note-card--shift {
    margin-top: 26px;
  }
  .page-news .topic-panel {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    align-items: start;
    padding: 24px;
  }
  .page-news .scene-grid {
    grid-template-columns: minmax(0, .85fr) minmax(0, 1.15fr);
    align-items: start;
    gap: 30px;
  }
  .page-news .version-grid {
    grid-template-columns: minmax(0, 1.25fr) minmax(0, .75fr);
    align-items: start;
    gap: 34px;
  }
  .page-news .follow-grid {
    grid-template-columns: minmax(0, 1.35fr) minmax(0, .65fr);
    align-items: end;
  }
}

@media (min-width: 1000px) {
  .page-news .news-hero {
    padding-top: 26px;
    padding-bottom: 104px;
  }
  .page-news .hero-grid {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, .95fr);
    gap: 44px;
  }
  .page-news .series-grid {
    grid-template-columns: var(--news-rail-w) minmax(0, 1fr);
    gap: 42px;
    align-items: start;
  }
  .page-news .series-rail {
    flex-direction: column;
    overflow: visible;
    position: sticky;
    top: 96px;
    padding-bottom: 0;
  }
  .page-news .series-tag {
    justify-content: space-between;
    padding: 12px 14px;
  }
  .page-news .series-body {
    gap: 26px;
  }
  .page-news .series-item {
    padding-top: 20px;
  }
  .page-news .note-card {
    padding: 24px;
  }
  .page-news .topic-panel {
    padding: 28px;
    gap: 30px;
  }
  .page-news .scene-step {
    padding: 16px 20px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-news .note-card,
  .page-news .note-extra,
  .page-news .topic-tabs .tab {
    transition: none;
  }
  .page-news .note-card:hover,
  .page-news .note-card:focus-within {
    transform: none;
  }
}
<<<END>>>