.page-news {
  --news-rule: 1px solid var(--line-leaf);
  --news-gap: clamp(22px, 3.2vw, 46px);
  padding-bottom: clamp(40px, 7vw, 88px);
  overflow-x: hidden;
}

.page-news .page-news__crumbs {
  margin-bottom: clamp(14px, 2vw, 22px);
}

/* ---------- 专栏刊头 ---------- */
.page-news .column-mast {
  display: grid;
  gap: var(--news-gap);
  padding-bottom: var(--news-gap);
  border-bottom: var(--news-rule);
}

.page-news .column-mast__copy {
  min-width: 0;
}

.page-news .plaque {
  margin-bottom: 14px;
}

.page-news .plaque__state {
  color: var(--text-muted);
}

.page-news h1 {
  margin: 0 0 16px;
  font-family: var(--font-display);
  font-size: clamp(30px, 6.4vw, 56px);
  font-weight: 800;
  line-height: 1.04;
  letter-spacing: -0.02em;
  max-width: 18em;
}

.page-news .column-mast__lead {
  margin: 0;
  max-width: 34em;
  font-size: 17px;
  line-height: 1.75;
  color: var(--text-muted);
}

.page-news .column-mast__facts {
  list-style: none;
  margin: 22px 0 0;
  padding: 16px 0 0;
  border-top: var(--news-rule);
  display: grid;
  gap: 9px;
  font-size: 14px;
  line-height: 1.6;
  color: var(--text-muted);
}

.page-news .column-mast__facts li {
  display: flex;
  gap: 10px;
  align-items: baseline;
}

.page-news .column-mast__facts li::before {
  content: "";
  flex: none;
  width: 6px;
  height: 6px;
  background: var(--accent-cyan);
  transform: translateY(-2px);
}

.page-news .column-mast__figure,
.page-news .entry__figure,
.page-news .series__figure,
.page-news .archive__figure {
  margin: 0;
}

.page-news .column-mast__figure img,
.page-news .entry__figure img,
.page-news .series__figure img,
.page-news .archive__figure img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
}

/* ---------- 章节标题 ---------- */
.page-news .section-head {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 4px 16px;
  align-items: start;
  padding-bottom: 14px;
  border-bottom: var(--news-rule);
  margin-bottom: clamp(20px, 2.8vw, 32px);
}

.page-news .section-head__idx {
  margin: 0;
  padding-top: 6px;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.08em;
  color: var(--accent-gold);
}

.page-news .section-head__title {
  margin: 0 0 6px;
  font-family: var(--font-display);
  font-size: clamp(22px, 4.6vw, 30px);
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -0.015em;
}

.page-news .section-head__note {
  margin: 0;
  max-width: 40em;
  font-size: 14px;
  line-height: 1.7;
  color: var(--text-muted);
}

/* ---------- 筛选条 ---------- */
.page-news .filter-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 12px;
}

.page-news .filter-chip {
  appearance: none;
  border: 1px solid var(--line-leaf);
  background: transparent;
  color: var(--text-muted);
  font-family: var(--font-body);
  font-size: 14px;
  line-height: 1;
  padding: 8px 15px;
  border-radius: 999px;
  cursor: pointer;
  transition: color var(--dur-1) var(--ease), border-color var(--dur-1) var(--ease),
    background-color var(--dur-1) var(--ease);
}

.page-news .filter-chip:hover {
  color: var(--accent-cyan-soft);
  border-color: var(--accent-cyan);
}

.page-news .filter-chip:focus-visible {
  outline: 2px solid var(--accent-cyan);
  outline-offset: 2px;
}

.page-news .filter-chip[aria-pressed="true"] {
  background: var(--accent-red);
  border-color: var(--accent-red);
  color: #FFFFFF;
  font-weight: 700;
}

.page-news .filter-status {
  margin: 0 0 18px;
  font-family: var(--font-mono);
  font-size: 13px;
  line-height: 1.6;
  color: var(--text-muted);
}

/* ---------- 条目列表 ---------- */
.page-news .entry-list {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: var(--news-rule);
}

.page-news .entry {
  display: grid;
  gap: 6px;
  padding: 20px 0;
  border-bottom: var(--news-rule);
  transition: background-color var(--dur-1) var(--ease);
}

.page-news .entry:not(.entry--media):hover {
  background-color: rgba(43, 240, 208, 0.05);
}

.page-news .entry__side {
  display: flex;
  gap: 12px;
  align-items: baseline;
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.02em;
}

.page-news .entry__epoch {
  color: var(--accent-cyan);
}

.page-news .entry__len {
  color: var(--text-muted);
}

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

.page-news .entry__title {
  margin: 0 0 8px;
  font-family: var(--font-display);
  font-size: clamp(18px, 3.6vw, 21px);
  font-weight: 700;
  line-height: 1.32;
  letter-spacing: -0.01em;
}

.page-news .entry__excerpt {
  margin: 0;
  max-width: 44em;
  font-size: 15px;
  line-height: 1.75;
  color: var(--text-muted);
}

.page-news .entry__tag {
  display: inline-block;
  margin-top: 12px;
}

.page-news .entry.entry--media {
  grid-template-columns: minmax(0, 1fr);
  gap: 0;
  padding: clamp(22px, 3vw, 34px) 0;
  background-color: transparent;
}

/* ---------- 专题系列 ---------- */
.page-news .series {
  margin-top: clamp(40px, 7vw, 84px);
}

.page-news .series-grid {
  display: grid;
  gap: clamp(14px, 1.8vw, 22px);
}

.page-news .series-plaque {
  display: grid;
  align-content: start;
  gap: 10px;
  padding: 22px 20px 24px;
  background: var(--bg-field);
  border: var(--news-rule);
  border-top: 3px solid var(--accent-cyan);
  border-radius: var(--radius);
  transition: background-color var(--dur-2) var(--ease), transform var(--dur-2) var(--ease);
}

.page-news .series-plaque:hover,
.page-news .series-plaque:focus-within {
  background: var(--glass-panel);
  transform: translateY(-2px);
}

.page-news .series-plaque__idx {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--accent-cyan);
}

.page-news .series-plaque__title {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(19px, 3.4vw, 22px);
  font-weight: 800;
  line-height: 1.22;
  letter-spacing: -0.01em;
}

.page-news .series-plaque__meta {
  margin: 0;
  padding-bottom: 10px;
  border-bottom: var(--news-rule);
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--text-muted);
}

.page-news .series-plaque__body {
  margin: 0;
  font-size: 14px;
  line-height: 1.72;
  color: var(--text-muted);
}

.page-news .series-plaque__recent {
  margin: 4px 0 0;
  font-family: var(--font-mono);
  font-size: 12px;
  line-height: 1.6;
  color: var(--accent-cyan-soft);
  opacity: 0.5;
  transition: opacity var(--dur-2) var(--ease);
}

.page-news .series-plaque:hover .series-plaque__recent,
.page-news .series-plaque:focus-within .series-plaque__recent {
  opacity: 1;
}

.page-news .series-plaque--gold {
  border-top-color: var(--accent-gold);
}

.page-news .series-plaque--gold .series-plaque__idx,
.page-news .series-plaque--gold .series-plaque__recent {
  color: var(--accent-gold);
}

.page-news .series-plaque--red {
  border-top-color: var(--accent-red);
}

.page-news .series-plaque--red .series-plaque__idx,
.page-news .series-plaque--red .series-plaque__recent {
  color: var(--accent-red);
}

.page-news .series__figure {
  margin-top: clamp(18px, 2.4vw, 26px);
}

/* ---------- 阶段归档 ---------- */
.page-news .archive {
  margin-top: clamp(40px, 7vw, 84px);
}

.page-news .archive__figure {
  margin-bottom: clamp(20px, 2.6vw, 32px);
}

.page-news .archive-rail {
  border-top: var(--news-rule);
}

.page-news .archive-stage {
  border-bottom: var(--news-rule);
}

.page-news .archive-stage > summary {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto auto;
  align-items: center;
  gap: 12px;
  padding: 18px 2px;
  cursor: pointer;
  list-style: none;
}

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

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

.page-news .archive-stage__idx {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--accent-gold);
}

.page-news .archive-stage__name {
  font-family: var(--font-display);
  font-size: clamp(18px, 3.6vw, 23px);
  font-weight: 800;
  letter-spacing: -0.01em;
}

.page-news .archive-stage__count {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--text-muted);
  white-space: nowrap;
}

.page-news .archive-stage > summary::after {
  content: "+";
  justify-self: end;
  font-family: var(--font-mono);
  font-size: 20px;
  line-height: 1;
  color: var(--accent-cyan);
}

.page-news .archive-stage[open] > summary::after {
  content: "–";
}

.page-news .archive-stage__list {
  list-style: none;
  margin: 0;
  padding: 0 0 20px;
  display: grid;
  gap: 14px;
}

.page-news .archive-stage__list > li {
  display: grid;
  gap: 4px;
  padding-left: 16px;
  border-left: 2px solid var(--line-leaf);
}

.page-news .archive-stage__item-title {
  font-size: 15px;
  font-weight: 700;
  line-height: 1.5;
  color: var(--text-primary);
}

.page-news .archive-stage__item-desc {
  font-size: 13px;
  line-height: 1.72;
  color: var(--text-muted);
}

/* ---------- 编辑手记 ---------- */
.page-news .notes {
  margin-top: clamp(44px, 7vw, 88px);
  padding: clamp(22px, 4vw, 42px);
  background: var(--glass-panel);
  border: var(--news-rule);
  border-radius: var(--radius);
  backdrop-filter: blur(8px);
}

.page-news .notes__title {
  margin: 0 0 10px;
  font-family: var(--font-display);
  font-size: clamp(22px, 4.4vw, 28px);
  font-weight: 800;
  line-height: 1.18;
  letter-spacing: -0.015em;
}

.page-news .notes__lead {
  margin: 0 0 clamp(20px, 2.6vw, 30px);
  max-width: 40em;
  font-size: 15px;
  line-height: 1.75;
  color: var(--text-muted);
}

.page-news .notes__grid {
  display: grid;
  gap: clamp(16px, 2.2vw, 26px);
}

.page-news .notes__item {
  border-top: 2px solid var(--accent-cyan);
  padding-top: 14px;
}

.page-news .notes__item:nth-child(2) {
  border-top-color: var(--accent-gold);
}

.page-news .notes__item:nth-child(3) {
  border-top-color: var(--accent-red);
}

.page-news .notes__item h3 {
  margin: 0 0 8px;
  font-family: var(--font-display);
  font-size: 17px;
  font-weight: 800;
  line-height: 1.3;
}

.page-news .notes__item p {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--text-muted);
}

.page-news .notes__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin: clamp(22px, 3vw, 32px) 0 0;
}

.page-news .notes__lead--tail {
  margin: clamp(18px, 2.4vw, 26px) 0 0;
  font-size: 14px;
}

.page-news .notes__lead--tail a {
  color: var(--accent-cyan);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-news .notes__lead--tail a:hover {
  color: var(--accent-cyan-soft);
}

/* ---------- 平板与桌面 ---------- */
@media (min-width: 640px) {
  .page-news .entry {
    grid-template-columns: 104px minmax(0, 1fr);
    gap: 6px 22px;
  }

  .page-news .entry__side {
    flex-direction: column;
    gap: 4px;
    padding-top: 3px;
  }
}

@media (min-width: 780px) {
  .page-news .series-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

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

  .page-news .archive-stage__list {
    padding-left: clamp(0px, 5vw, 56px);
  }
}

@media (min-width: 900px) {
  .page-news .column-mast {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    gap: clamp(28px, 3.6vw, 56px);
    align-items: end;
  }
}
<<<END>>>