.page-news {
  --s-gate: var(--pitch);
  --s-stand: #2F8F5B;
  --s-review: var(--ref);
  --s-appendix: var(--red);
  background: var(--paper);
  color: var(--night);
  font-family: var(--font-body);
}

/* ---------- 页头 ---------- */
.page-news .topic-hero {
  position: relative;
  overflow: hidden;
  background: var(--night);
  color: var(--paper);
  padding: var(--s3) 0 var(--s6);
  border-bottom: 4px solid var(--ref);
}

.page-news .topic-hero__media {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.page-news .topic-hero__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  opacity: 0.32;
  filter: saturate(0.85);
}

.page-news .topic-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background-image: repeating-linear-gradient(
    90deg,
    rgba(244, 241, 232, 0.07) 0 1px,
    transparent 1px 76px
  );
}

.page-news .topic-hero__inner {
  position: relative;
  z-index: 1;
  display: grid;
  gap: var(--s5);
  padding-top: var(--s3);
}

.page-news .topic-hero .breadcrumb {
  display: flex;
  align-items: center;
  gap: var(--s2);
  font-size: 13px;
  margin-bottom: var(--s4);
  flex-wrap: wrap;
}

.page-news .topic-hero .breadcrumb__item {
  color: rgba(244, 241, 232, 0.72);
  text-decoration: none;
}

.page-news .topic-hero .breadcrumb__item[aria-current="page"] {
  color: var(--ref);
}

.page-news .topic-hero .breadcrumb__sep {
  color: rgba(244, 241, 232, 0.4);
}

.page-news .topic-hero .eyebrow {
  font-family: var(--font-data);
  font-size: 12px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--pitch-light);
  margin: 0 0 var(--s3);
}

.page-news .topic-hero h1 {
  font-family: var(--font-head);
  font-weight: 700;
  font-size: clamp(34px, 7.6vw, 72px);
  line-height: 1.02;
  letter-spacing: -0.02em;
  margin: 0 0 var(--s4);
  transform: skewX(-2deg);
  transform-origin: left bottom;
  text-wrap: balance;
}

.page-news .topic-hero .lede {
  font-size: 16px;
  line-height: 1.8;
  color: rgba(244, 241, 232, 0.88);
  max-width: 40em;
  margin: 0 0 var(--s3);
}

.page-news .topic-hero__note {
  font-size: 14px;
  line-height: 1.7;
  color: rgba(244, 241, 232, 0.66);
  border-left: 3px solid var(--pitch);
  padding-left: var(--s3);
  margin: 0;
  max-width: 40em;
}

.page-news .topic-hero__stats {
  display: grid;
  gap: var(--s4);
  padding: var(--s4);
  background: rgba(10, 26, 47, 0.62);
  border: 1px solid rgba(244, 241, 232, 0.22);
  box-shadow: 6px 6px 0 rgba(10, 26, 47, 0.55);
  background-image: repeating-linear-gradient(
    0deg,
    rgba(244, 241, 232, 0.06) 0 1px,
    transparent 1px 34px
  );
}

.page-news .stat {
  display: grid;
  grid-template-columns: auto auto;
  justify-content: start;
  align-items: baseline;
  gap: 0 6px;
  border-bottom: 1px dashed rgba(244, 241, 232, 0.18);
  padding-bottom: var(--s3);
}

.page-news .stat:last-child {
  border-bottom: 0;
  padding-bottom: 0;
}

.page-news .stat__num {
  font-family: var(--font-data);
  font-variant-numeric: tabular-nums;
  font-size: clamp(38px, 10vw, 60px);
  font-weight: 700;
  line-height: 1;
  color: var(--pitch-light);
  letter-spacing: -0.03em;
}

.page-news .stat__unit {
  font-family: var(--font-head);
  font-size: 16px;
  color: rgba(244, 241, 232, 0.7);
}

.page-news .stat__label {
  grid-column: 1 / -1;
  margin: 6px 0 0;
  font-size: 13px;
  line-height: 1.6;
  color: rgba(244, 241, 232, 0.7);
}

/* ---------- 筛选 ---------- */
.page-news .topic-filter {
  padding: var(--s5) 0 var(--s2);
}

.page-news .topic-filter__head h2,
.page-news .topic-list__head h2,
.page-news .series__head h2,
.page-news .update h2,
.page-news .keep h2 {
  font-family: var(--font-head);
  font-weight: 700;
  font-size: clamp(24px, 4.6vw, 34px);
  line-height: 1.15;
  letter-spacing: -0.01em;
  margin: 0 0 var(--s2);
  padding-bottom: var(--s2);
  border-bottom: 4px solid var(--ref);
  display: inline-block;
}

.page-news .topic-filter__head p,
.page-news .topic-list__head p {
  margin: var(--s2) 0 0;
  font-size: 15px;
  line-height: 1.7;
  color: var(--sub);
}

.page-news .topic-filter__rail {
  display: flex;
  gap: var(--s2);
  overflow-x: auto;
  padding: var(--s4) 0 var(--s3);
  -webkit-overflow-scrolling: touch;
  scrollbar-width: thin;
}

.page-news .topic-filter__btn {
  flex: 0 0 auto;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-head);
  font-size: 17px;
  font-weight: 700;
  letter-spacing: 0.01em;
  line-height: 1;
  padding: 11px 20px;
  color: var(--night);
  background: var(--white);
  border: 2px solid var(--night);
  cursor: pointer;
  clip-path: polygon(9px 0, 100% 0, 100% calc(100% - 9px), calc(100% - 9px) 100%, 0 100%, 0 9px);
  transition: background 0.12s var(--ease), transform 0.12s var(--ease), color 0.12s var(--ease);
}

.page-news .topic-filter__btn:hover {
  transform: translateY(-2px);
  background: var(--paper);
}

.page-news .topic-filter__btn[aria-pressed="true"] {
  background: var(--ref);
  color: var(--night);
}

.page-news .topic-filter__count {
  font-family: var(--font-data);
  font-variant-numeric: tabular-nums;
  font-size: 12px;
  padding: 2px 6px;
  background: rgba(10, 26, 47, 0.12);
  color: inherit;
}

.page-news .topic-filter__btn[aria-pressed="true"] .topic-filter__count {
  background: rgba(10, 26, 47, 0.2);
}

/* ---------- 笔记列表 ---------- */
.page-news .topic-list {
  padding: var(--s5) 0 var(--s6);
}

.page-news .notes {
  display: grid;
  gap: var(--s4);
  margin-top: var(--s5);
  align-items: start;
}

.page-news .note {
  position: relative;
  background: var(--white);
  border: 1px solid var(--edge);
  box-shadow: var(--shadow-print-sm);
  padding: var(--s4) var(--s4) var(--s4) calc(var(--s4) + 6px);
  transition: box-shadow 0.16s var(--ease), transform 0.16s var(--ease);
}

.page-news .note::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 4px;
  background: var(--note-color, var(--s-gate));
}

.page-news .note:hover {
  box-shadow: var(--shadow-print);
  transform: translateY(-2px);
}

.page-news .note--gate { --note-color: var(--s-gate); }
.page-news .note--stand { --note-color: var(--s-stand); }
.page-news .note--review { --note-color: var(--s-review); }
.page-news .note--appendix { --note-color: var(--s-appendix); }
.page-news .note--venue { --note-color: var(--night-2); }
.page-news .note--log { --note-color: var(--pitch-deep); }

.page-news .note__meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--s2);
  margin-bottom: var(--s2);
}

.page-news .note__tag {
  display: inline-block;
  font-family: var(--font-head);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.03em;
  line-height: 1;
  padding: 5px 9px 4px;
  color: var(--white);
  background: var(--note-color, var(--s-gate));
}

.page-news .note--review .note__tag {
  color: var(--night);
}

.page-news .note__round {
  font-family: var(--font-data);
  font-size: 12px;
  color: var(--sub);
  letter-spacing: 0.02em;
}

.page-news .note__title {
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 21px;
  line-height: 1.32;
  letter-spacing: -0.01em;
  margin: 0 0 var(--s2);
  color: var(--night);
}

.page-news .note__brief {
  margin: 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--sub);
}

.page-news .note__more summary {
  list-style: none;
  cursor: pointer;
  margin-top: var(--s3);
  padding-top: var(--s2);
  border-top: 1px dashed var(--edge);
  font-family: var(--font-head);
  font-size: 15px;
  font-weight: 700;
  letter-spacing: 0.02em;
  color: var(--pitch);
}

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

.page-news .note__more summary::before {
  content: "＋ ";
  font-family: var(--font-data);
}

.page-news .note__more[open] summary::before {
  content: "－ ";
}

.page-news .note__more p {
  margin: var(--s3) 0 0;
  font-size: 14px;
  line-height: 1.78;
  color: var(--sub);
}

.page-news .note__link {
  color: var(--pitch);
  text-decoration: underline;
  text-underline-offset: 3px;
  font-weight: 700;
}

/* ---------- 系列 ---------- */
.page-news .series {
  padding: var(--s6) 0;
  background:
    linear-gradient(180deg, rgba(14, 58, 38, 0.06), rgba(14, 58, 38, 0) 60%),
    var(--paper);
  border-top: 1px solid var(--edge);
  border-bottom: 1px solid var(--edge);
}

.page-news .series__head .eyebrow,
.page-news .update .eyebrow {
  font-family: var(--font-data);
  font-size: 12px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--pitch);
  margin: 0 0 var(--s2);
}

.page-news .series__intro {
  margin: var(--s2) 0 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--sub);
  max-width: 46em;
}

.page-news .series-grid {
  display: grid;
  gap: var(--s4);
  margin-top: var(--s5);
}

.page-news .series-card {
  display: flex;
  flex-direction: column;
  background: var(--white);
  border: 1px solid var(--edge);
  box-shadow: var(--shadow-print);
  overflow: hidden;
}

.page-news .series-card__media img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  filter: saturate(0.92) contrast(1.02);
}

.page-news .series-card__body {
  padding: var(--s4);
  position: relative;
  border-top: 4px solid var(--series-color, var(--pitch));
}

.page-news .series-card--gate { --series-color: var(--s-gate); }
.page-news .series-card--stand { --series-color: var(--s-stand); }
.page-news .series-card--review { --series-color: var(--s-review); }
.page-news .series-card--appendix { --series-color: var(--s-appendix); }

.page-news .series-card__mark {
  position: absolute;
  top: -4px;
  right: var(--s4);
  width: 34px;
  height: 4px;
  background: var(--night);
}

.page-news .series-card__title {
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 26px;
  line-height: 1.1;
  letter-spacing: -0.01em;
  margin: 0 0 var(--s2);
}

.page-news .series-card__q {
  margin: 0 0 var(--s2);
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 16px;
  color: var(--pitch);
}

.page-news .series-card__body > p {
  margin: 0 0 var(--s2);
  font-size: 14px;
  line-height: 1.75;
  color: var(--sub);
}

.page-news .series-card__tip {
  border-left: 3px solid var(--series-color, var(--pitch));
  padding-left: var(--s2);
  color: var(--night) !important;
}

.page-news .series-card__count {
  margin: var(--s3) 0 0 !important;
  font-family: var(--font-data);
  font-variant-numeric: tabular-nums;
  font-size: 13px;
  color: var(--sub) !important;
  opacity: 0.6;
  transition: opacity 0.2s var(--ease), transform 0.2s var(--ease), color 0.2s var(--ease);
}

.page-news .series-card:hover .series-card__count {
  opacity: 1;
  transform: translateY(-2px);
  color: var(--pitch) !important;
}

/* ---------- 更新记录 ---------- */
.page-news .update {
  padding: var(--s6) 0;
  background: var(--paper);
}

.page-news .update-grid {
  display: grid;
  gap: var(--s5);
}

.page-news .update__intro {
  margin: var(--s3) 0 var(--s5);
  font-size: 15px;
  line-height: 1.78;
  color: var(--sub);
  max-width: 40em;
}

.page-news .timeline {
  list-style: none;
  margin: 0;
  padding: 0 0 0 28px;
  border-left: 2px solid var(--edge);
}

.page-news .timeline__item {
  position: relative;
  padding-bottom: var(--s5);
}

.page-news .timeline__item:last-child {
  padding-bottom: 0;
}

.page-news .timeline__item::before {
  content: "";
  position: absolute;
  left: -34px;
  top: 3px;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--paper);
  border: 2px solid var(--tl-color, var(--pitch));
}

.page-news .timeline__item--gate { --tl-color: var(--s-gate); }
.page-news .timeline__item--stand { --tl-color: var(--s-stand); }
.page-news .timeline__item--review { --tl-color: var(--s-review); }
.page-news .timeline__item--appendix { --tl-color: var(--s-appendix); }
.page-news .timeline__item--venue { --tl-color: var(--night-2); }
.page-news .timeline__item--log { --tl-color: var(--pitch-deep); }

.page-news .timeline__stage {
  font-family: var(--font-data);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--sub);
  margin: 0 0 4px;
}

.page-news .timeline__title {
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 20px;
  line-height: 1.3;
  margin: 0 0 4px;
}

.page-news .timeline__title a {
  color: var(--night);
  text-decoration: none;
  border-bottom: 2px solid var(--tl-color, var(--pitch));
}

.page-news .timeline__title a:hover {
  color: var(--pitch);
}

.page-news .timeline__desc {
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--sub);
}

.page-news .update__side img {
  display: block;
  width: 100%;
  height: auto;
  border: 1px solid var(--edge);
  box-shadow: var(--shadow-print);
  background: var(--white);
}

.page-news .update__caption {
  margin: var(--s3) 0 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--sub);
  border-left: 3px solid var(--ref);
  padding-left: var(--s2);
}

/* ---------- 收藏与联系 ---------- */
.page-news .keep {
  background: var(--night);
  color: var(--paper);
  padding: var(--s6) 0;
  border-top: 4px solid var(--pitch);
}

.page-news .keep__inner {
  display: grid;
  gap: var(--s4);
}

.page-news .keep h2 {
  color: var(--paper);
  border-bottom-color: var(--ref);
}

.page-news .keep__copy p {
  margin: var(--s3) 0 0;
  font-size: 15px;
  line-height: 1.8;
  color: rgba(244, 241, 232, 0.82);
  max-width: 40em;
}

.page-news .keep__actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--s3);
  align-content: start;
}

.page-news .keep__actions .btn {
  display: inline-block;
  font-family: var(--font-head);
  font-size: 17px;
  font-weight: 700;
  line-height: 1;
  padding: 13px 22px;
  text-decoration: none;
  border: 2px solid var(--night);
  transition: transform 0.12s var(--ease), box-shadow 0.12s var(--ease);
}

.page-news .keep__actions .btn:hover {
  transform: translate(-2px, -2px);
  box-shadow: 4px 4px 0 rgba(244, 241, 232, 0.28);
}

/* ---------- 响应式 ---------- */
@media (min-width: 720px) {
  .page-news .topic-hero {
    padding: var(--s4) 0 var(--s7);
  }

  .page-news .topic-hero__stats {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: var(--s4);
  }

  .page-news .stat {
    border-bottom: 0;
    border-right: 1px dashed rgba(244, 241, 232, 0.2);
    padding-bottom: 0;
    padding-right: var(--s4);
  }

  .page-news .stat:last-child {
    border-right: 0;
    padding-right: 0;
  }

  .page-news .notes {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: var(--s4) var(--s4);
  }

  .page-news .note:nth-child(even) {
    margin-top: 44px;
  }

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

  .page-news .keep__inner {
    grid-template-columns: 1.2fr 0.8fr;
    align-items: center;
    gap: var(--s5);
  }
}

@media (min-width: 1024px) {
  .page-news .topic-hero__inner {
    grid-template-columns: minmax(0, 1.25fr) minmax(0, 0.75fr);
    align-items: end;
    gap: var(--s6);
  }

  .page-news .update-grid {
    grid-template-columns: minmax(0, 1.35fr) minmax(0, 0.65fr);
    gap: var(--s6);
    align-items: start;
  }

  .page-news .update__side img {
    position: sticky;
    top: calc(var(--nav-h) + var(--s4));
  }

  .page-news .note__title {
    font-size: 22px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-news .note,
  .page-news .topic-filter__btn,
  .page-news .series-card__count,
  .page-news .keep__actions .btn {
    transition: none;
  }

  .page-news .note:hover,
  .page-news .topic-filter__btn:hover,
  .page-news .keep__actions .btn:hover {
    transform: none;
  }
}
<<<END>>>