.page-news {
  --cat-notice: var(--orange);
  --cat-topic: var(--cyan);
  --cat-data: var(--clay);
  --cat-note: var(--mid);
  display: block;
  width: 100%;
  max-width: 1180px;
  margin-inline: auto;
  padding: 20px 20px 88px;
}

.page-news *,
.page-news *::before,
.page-news *::after {
  box-sizing: border-box;
}

/* ---------- 首屏 ---------- */
.page-news .news-hero {
  display: grid;
  gap: 6px;
  padding: 26px 0 38px;
  border-bottom: 1px solid var(--line);
}

.page-news .news-hero h1 {
  margin: 10px 0 18px;
  max-width: 20ch;
  font-size: clamp(2.1rem, 7.4vw, 4.2rem);
  line-height: 1.04;
  letter-spacing: -0.02em;
  font-weight: 800;
  color: var(--head);
}

.page-news .news-hero .lede {
  margin: 0;
  max-width: 62ch;
  font-size: 1.0625rem;
  line-height: 1.78;
  color: var(--text);
}

.page-news .news-hero__meta {
  list-style: none;
  margin: 22px 0 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 10px 12px;
}

.page-news .news-hero__meta li {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 12px;
  border: 1px solid var(--line);
  background: var(--panel);
  font-size: 0.875rem;
  color: var(--mid);
}

.page-news .news-hero__meta .mono {
  color: var(--cyan);
  font-weight: 700;
}

/* ---------- 轮次轴 ---------- */
.page-news .round-axis {
  margin-top: 32px;
  padding: 18px 16px 16px;
  border: 2px solid var(--line);
  background: var(--panel);
  box-shadow: var(--shadow);
}

.page-news .round-axis__head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 14px;
}

.page-news .round-axis__now {
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--orange);
}

.page-news .round-axis__track {
  list-style: none;
  margin: 0;
  padding: 0 0 4px;
  display: flex;
  gap: 4px;
  overflow-x: auto;
  scrollbar-width: thin;
}

.page-news .round-axis__track li {
  flex: 0 0 38px;
  height: 32px;
  display: grid;
  place-items: center;
  border: 1px solid var(--line);
  font-family: var(--mono);
  font-size: 0.6875rem;
  color: var(--mid);
  transition: border-color 180ms ease-out, color 180ms ease-out;
}

.page-news .round-axis__track li.is-done {
  border-color: var(--mid);
  background: var(--panel-2);
  color: var(--text);
}

.page-news .round-axis__track li.is-current {
  border-color: var(--orange);
  background: var(--orange);
  color: var(--ink);
  font-weight: 700;
}

.page-news .round-axis__note {
  margin: 14px 0 0;
  max-width: 68ch;
  font-size: 0.875rem;
  line-height: 1.72;
  color: var(--mid);
}

/* ---------- 通用区块标题 ---------- */
.page-news .section-head h2 {
  margin: 8px 0 0;
  font-size: clamp(1.6rem, 5vw, 2.4rem);
  line-height: 1.12;
  letter-spacing: -0.015em;
  color: var(--head);
}

/* ---------- 置顶公告 ---------- */
.page-news .pinned {
  padding: 44px 0;
  border-bottom: 2px solid var(--line);
}

.page-news .pinned__grid {
  display: grid;
  gap: 26px;
  margin-top: 26px;
}

.page-news .pinned__body {
  min-width: 0;
}

.page-news .pinned__body > p {
  margin: 0 0 18px;
  max-width: 66ch;
  font-size: 1.0625rem;
  line-height: 1.78;
  color: var(--text);
}

.page-news .change-list {
  list-style: none;
  margin: 0 0 20px;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-news .change-list li {
  position: relative;
  padding-left: 24px;
  font-size: 0.9688rem;
  line-height: 1.7;
  color: var(--text);
}

.page-news .change-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.78em;
  width: 12px;
  height: 2px;
  background: var(--orange);
}

.page-news .pinned__body .notice {
  font-size: 0.9rem;
  line-height: 1.7;
}

.page-news .pinned__body .notice a {
  color: var(--cyan);
}

/* ---------- 图片容器 ---------- */
.page-news .media-frame {
  margin: 0;
  aspect-ratio: auto;
  overflow: hidden;
  border: 2px solid var(--line);
  background: var(--panel-2);
  box-shadow: var(--shadow);
}

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

.page-news .media-caption {
  padding: 10px 14px;
  border-top: 1px solid var(--line);
  background: var(--panel);
  font-size: 0.8125rem;
  line-height: 1.6;
  color: var(--mid);
}

/* ---------- 索引 + 条目流 ---------- */
.page-news .news-desk {
  display: grid;
  gap: 36px;
  padding-top: 44px;
}

.page-news .news-index {
  border-top: 3px solid var(--line);
  padding-top: 16px;
}

.page-news .news-index__title {
  margin: 0 0 12px;
  font-family: var(--mono);
  font-size: 0.6875rem;
  letter-spacing: 0.24em;
  color: var(--mid);
}

.page-news .news-index__cats {
  list-style: none;
  margin: 0 0 26px;
  padding: 0;
  display: grid;
  gap: 6px;
}

.page-news .cat-link {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 12px;
  border: 1px solid var(--line);
  background: var(--panel);
  color: var(--text);
  text-decoration: none;
  font-size: 0.9375rem;
  transition: border-color 180ms ease-out, color 180ms ease-out, transform 180ms ease-out;
}

.page-news .cat-link:hover {
  transform: translateY(-2px);
  border-color: var(--cyan);
  color: var(--head);
}

.page-news .cat-link:focus-visible {
  outline: 2px solid var(--focus);
  outline-offset: 2px;
}

.page-news .cat-link__dot {
  flex: 0 0 8px;
  width: 8px;
  height: 8px;
  background: var(--mid);
}

.page-news .cat-link--notice .cat-link__dot { background: var(--cat-notice); }
.page-news .cat-link--topic .cat-link__dot { background: var(--cat-topic); }
.page-news .cat-link--data .cat-link__dot { background: var(--cat-data); }
.page-news .cat-link--note .cat-link__dot { background: var(--cat-note); }

.page-news .cat-link__count {
  margin-left: auto;
  font-family: var(--mono);
  font-size: 0.75rem;
  color: var(--mid);
}

.page-news .news-index__foot {
  margin: 0;
  font-size: 0.8375rem;
  line-height: 1.72;
  color: var(--mid);
}

/* ---------- 条目流 ---------- */
.page-news .news-feed {
  display: grid;
  gap: 52px;
  min-width: 0;
}

.page-news .feed-block {
  min-width: 0;
  padding-top: 22px;
  border-top: 2px solid var(--line);
}

.page-news .feed-block__head {
  display: grid;
  gap: 8px;
  margin-bottom: 20px;
}

.page-news .feed-block__head h2 {
  margin: 0;
  font-size: clamp(1.5rem, 4.6vw, 2.1rem);
  line-height: 1.12;
  letter-spacing: -0.015em;
  color: var(--head);
}

.page-news .feed-block__head p {
  margin: 0;
  max-width: 60ch;
  font-size: 0.9375rem;
  line-height: 1.72;
  color: var(--mid);
}

.page-news .feed-block > .media-frame {
  margin-bottom: 20px;
}

.page-news .entry-list {
  display: grid;
  gap: 8px;
  margin-top: 20px;
}

.page-news .entry {
  border: 1px solid var(--line);
  border-left: 4px solid var(--mid);
  background: var(--panel);
  transition: transform 180ms ease-out, box-shadow 180ms ease-out, background 180ms ease-out;
}

.page-news .entry--notice { border-left-color: var(--cat-notice); }
.page-news .entry--topic { border-left-color: var(--cat-topic); }
.page-news .entry--data { border-left-color: var(--cat-data); }
.page-news .entry--note { border-left-color: var(--cat-note); }

.page-news .entry:hover {
  transform: translateY(-2px);
  border-left-width: 6px;
  box-shadow: var(--shadow);
}

.page-news .entry[open] {
  background: var(--panel-2);
}

.page-news .entry > summary {
  display: grid;
  grid-template-columns: auto auto 1fr;
  grid-template-areas:
    "tag no when"
    "title title title";
  align-items: center;
  gap: 10px 12px;
  min-width: 0;
  padding: 14px 16px;
  cursor: pointer;
  list-style: none;
  transition: padding-left 160ms ease-out;
}

.page-news .entry:hover > summary {
  padding-left: 14px;
}

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

.page-news .entry > summary:focus-visible {
  outline: 2px solid var(--focus);
  outline-offset: -2px;
}

.page-news .entry__tag {
  grid-area: tag;
  padding: 3px 8px;
  border: 1px solid currentColor;
  font-size: 0.6875rem;
  letter-spacing: 0.08em;
  color: var(--mid);
  white-space: nowrap;
}

.page-news .entry--notice .entry__tag { color: var(--cat-notice); }
.page-news .entry--topic .entry__tag { color: var(--cat-topic); }
.page-news .entry--data .entry__tag { color: var(--cat-data); }

.page-news .entry__no {
  grid-area: no;
  font-family: var(--mono);
  font-size: 1.125rem;
  font-weight: 700;
  letter-spacing: 0.01em;
  color: var(--head);
  white-space: nowrap;
}

.page-news .entry__when {
  grid-area: when;
  justify-self: end;
  font-family: var(--mono);
  font-size: 0.75rem;
  color: var(--mid);
  white-space: nowrap;
}

.page-news .entry__title {
  grid-area: title;
  min-width: 0;
  font-size: 1rem;
  line-height: 1.5;
  color: var(--head);
}

.page-news .entry__body {
  margin-top: 2px;
  padding: 0 16px 18px;
  border-top: 1px solid var(--line);
}

.page-news .entry__body p {
  margin: 14px 0 0;
  max-width: 66ch;
  font-size: 0.9375rem;
  line-height: 1.78;
  color: var(--text);
}

.page-news .entry__body ul {
  margin: 12px 0 0;
  padding-left: 18px;
  display: grid;
  gap: 6px;
  font-size: 0.9375rem;
  line-height: 1.7;
  color: var(--text);
}

/* ---------- 观察笔记 ---------- */
.page-news .note-grid {
  display: grid;
  gap: 12px;
  margin-top: 20px;
}

.page-news .note-card {
  padding: 18px;
  border: 1px solid var(--line);
  border-top: 4px solid var(--mid);
  background: var(--panel);
  transition: transform 180ms ease-out, border-color 180ms ease-out, box-shadow 180ms ease-out;
}

.page-news .note-card:hover {
  transform: translateY(-2px);
  border-top-color: var(--cyan);
  box-shadow: var(--shadow);
}

.page-news .note-card h3 {
  margin: 0 0 10px;
  font-size: 1.0313rem;
  line-height: 1.45;
  font-weight: 700;
  color: var(--head);
}

.page-news .note-card p {
  margin: 0;
  font-size: 0.9375rem;
  line-height: 1.78;
  color: var(--text);
}

/* ---------- 订阅 ---------- */
.page-news .subscribe {
  margin-top: 56px;
  padding-top: 30px;
  border-top: 2px solid var(--line);
}

.page-news .subscribe__grid {
  display: grid;
  gap: 14px;
  margin-top: 22px;
}

.page-news .sub-card {
  padding: 20px;
  border: 1px solid var(--line);
  background: var(--panel-2);
}

.page-news .sub-card h3 {
  margin: 0 0 10px;
  font-size: 1.0625rem;
  color: var(--head);
}

.page-news .sub-card p {
  margin: 0 0 10px;
  font-size: 0.9375rem;
  line-height: 1.75;
  color: var(--text);
}

.page-news .sub-card__value {
  font-family: var(--mono);
  font-size: 0.9375rem;
  color: var(--cyan);
  word-break: break-all;
}

.page-news .sub-card__hint {
  margin-bottom: 0;
  font-size: 0.8125rem;
  color: var(--mid);
}

.page-news .sub-card a {
  color: var(--cyan);
}

.page-news .subscribe__cta {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin: 24px 0 0;
}

.page-news .subscribe__cta .btn:focus-visible {
  outline: 2px solid var(--focus);
  outline-offset: 2px;
}

/* ---------- 响应式 ---------- */
@media (min-width: 760px) {
  .page-news {
    padding-inline: 28px;
  }

  .page-news .entry > summary {
    grid-template-columns: auto auto minmax(0, 1fr) auto;
    grid-template-areas: "tag no title when";
  }

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

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

@media (min-width: 1000px) {
  .page-news {
    padding-inline: 40px;
  }

  .page-news .pinned__grid {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
    align-items: start;
  }

  .page-news .news-desk {
    grid-template-columns: 250px minmax(0, 1fr);
    gap: 48px;
    align-items: start;
  }

  .page-news .news-index {
    position: sticky;
    top: 24px;
  }

  .page-news .news-feed {
    gap: 60px;
  }
}
<<<END>>>