.page-news {
  --news-rail-w: 244px;
  --news-gap: clamp(24px, 3.6vw, 48px);
  padding-bottom: clamp(56px, 8vw, 100px);
  color: var(--text-body);
}

.page-news img {
  max-width: 100%;
  height: auto;
}

.page-news .breadcrumbs {
  margin: clamp(16px, 2.6vw, 26px) 0 0;
}

.page-news .jump-target {
  scroll-margin-top: calc(var(--header-h) + 16px);
}

/* ---------- 页首 ---------- */
.page-news .news-head {
  display: grid;
  gap: clamp(24px, 4vw, 40px);
  padding: clamp(18px, 2.6vw, 28px) 0 clamp(28px, 4vw, 46px);
  border-bottom: 1px solid var(--line-soft);
}

.page-news .news-title {
  margin: 12px 0 0;
  font-family: var(--font-display);
  font-size: clamp(2.1rem, 5.4vw, 3.4rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1.06;
  color: var(--text);
}

.page-news .news-lede {
  margin: 16px 0 0;
  max-width: 56ch;
  font-size: clamp(0.95rem, 1.5vw, 1.05rem);
  line-height: 1.85;
  color: var(--text-body);
}

.page-news .news-stats {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 24px;
}

.page-news .news-stat {
  flex: 1 1 118px;
  padding: 12px 14px;
  border: 1px solid var(--line-hair);
  border-radius: var(--radius-sm);
  background: rgba(19, 40, 68, 0.5);
  box-shadow: var(--shadow-sm);
}

.page-news .news-stat b {
  display: block;
  font-family: var(--font-mono);
  font-size: 1.32rem;
  font-weight: 600;
  letter-spacing: -0.02em;
  color: var(--mint);
}

.page-news .news-stat span {
  display: block;
  margin-top: 3px;
  font-size: 0.75rem;
  letter-spacing: 0.05em;
  color: var(--muted);
}

.page-news .news-head-media {
  margin: 0;
  border: 1px solid var(--line-soft);
  border-radius: var(--radius);
  overflow: hidden;
  background:
    radial-gradient(120% 90% at 82% 0%, rgba(95, 242, 193, 0.14), transparent 62%),
    var(--ink-800);
  box-shadow: var(--shadow-md);
}

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

/* ---------- 主体布局 ---------- */
.page-news .news-layout {
  display: grid;
  gap: var(--news-gap);
  margin-top: clamp(30px, 5vw, 56px);
}

/* ---------- 左侧索引 ---------- */
.page-news .news-rail {
  padding: 16px;
  border: 1px solid var(--line-hair);
  border-radius: var(--radius);
  background: linear-gradient(180deg, rgba(19, 40, 68, 0.62), rgba(13, 27, 46, 0.78));
  box-shadow: var(--shadow-sm);
}

.page-news .rail-block + .rail-block {
  margin-top: 18px;
  padding-top: 16px;
  border-top: 1px solid var(--line-hair);
}

.page-news .rail-title {
  margin: 0 0 10px;
  font-size: 0.7rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--muted);
}

.page-news .rail-cats {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 2px;
}

.page-news .rail-cats a {
  display: flex;
  align-items: center;
  gap: 9px;
  padding: 7px 8px;
  border-radius: var(--radius-sm);
  font-size: 0.86rem;
  line-height: 1.4;
  color: var(--text-body);
  text-decoration: none;
  transition: background 0.18s ease, color 0.18s ease;
}

.page-news .rail-cats a:hover,
.page-news .rail-cats a:focus-visible {
  background: var(--mint-wash);
  color: var(--mint-soft);
}

.page-news .rail-dot {
  flex: none;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--mint);
  box-shadow: 0 0 0 3px rgba(95, 242, 193, 0.12);
}

.page-news .rail-count {
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--muted);
}

.page-news .rail-cats a:hover .rail-count {
  color: var(--mint);
}

.page-news .rail-nav ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 1px;
}

.page-news .rail-nav a {
  display: block;
  padding: 7px 10px;
  border-left: 2px solid transparent;
  font-size: 0.84rem;
  color: var(--muted);
  text-decoration: none;
  transition: color 0.18s ease, border-color 0.18s ease, background 0.18s ease;
}

.page-news .rail-nav a:hover,
.page-news .rail-nav a:focus-visible {
  color: var(--text);
  border-left-color: var(--mint);
  background: rgba(95, 242, 193, 0.06);
}

/* ---------- 章节头 ---------- */
.page-news .news-section + .news-section {
  margin-top: clamp(48px, 7vw, 88px);
}

.page-news .chapter {
  position: relative;
  margin: 0 0 26px;
  padding: 0 0 16px;
  border-bottom: 1px solid var(--line-soft);
}

.page-news .chapter-num {
  display: inline-block;
  margin-right: 10px;
  font-size: 0.82rem;
  letter-spacing: 0.16em;
  color: var(--mint);
  vertical-align: baseline;
}

.page-news .chapter-title {
  display: inline;
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(1.35rem, 2.6vw, 1.75rem);
  font-weight: 700;
  letter-spacing: -0.015em;
  color: var(--text);
}

.page-news .chapter-note {
  display: block;
  margin: 9px 0 0;
  font-size: 0.86rem;
  line-height: 1.75;
  color: var(--muted);
}

/* ---------- 条目目录 ---------- */
.page-news .entry-list {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--line-hair);
}

.page-news .entry-list > li {
  border-bottom: 1px solid var(--line-hair);
}

.page-news .entry summary {
  list-style: none;
}

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

.page-news .entry-head {
  display: grid;
  grid-template-columns: auto 1fr auto;
  grid-template-areas:
    "when cat mark"
    "title title title"
    "excerpt excerpt excerpt";
  gap: 8px 12px;
  padding: 18px 4px 18px 0;
  cursor: pointer;
  transition: background 0.18s ease;
}

.page-news .entry-head:hover {
  background: rgba(95, 242, 193, 0.04);
}

.page-news .entry-head:focus-visible {
  outline: 2px solid var(--mint);
  outline-offset: -2px;
  border-radius: var(--radius-sm);
}

.page-news .entry-when {
  grid-area: when;
  align-self: center;
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  color: var(--mint);
}

.page-news .entry-cat {
  grid-area: cat;
  justify-self: start;
  align-self: center;
  font-size: 0.7rem;
  letter-spacing: 0.06em;
}

.page-news .entry-mark {
  grid-area: mark;
  align-self: center;
  justify-self: end;
  position: relative;
  width: 20px;
  height: 20px;
  border: 1px solid var(--line);
  border-radius: 50%;
  transition: border-color 0.18s ease, background 0.18s ease;
}

.page-news .entry-mark::before,
.page-news .entry-mark::after {
  content: "";
  position: absolute;
  left: 50%;
  top: 50%;
  background: var(--mint);
  transform: translate(-50%, -50%);
  transition: opacity 0.18s ease;
}

.page-news .entry-mark::before {
  width: 8px;
  height: 1.5px;
}

.page-news .entry-mark::after {
  width: 1.5px;
  height: 8px;
}

.page-news .entry-head:hover .entry-mark {
  border-color: var(--mint-soft);
}

.page-news .entry[open] .entry-mark {
  border-color: var(--mint);
  background: rgba(95, 242, 193, 0.12);
}

.page-news .entry[open] .entry-mark::after {
  opacity: 0;
}

.page-news .entry-title {
  grid-area: title;
  display: block;
  margin: 2px 0 0;
  font-family: var(--font-display);
  font-size: clamp(0.98rem, 1.9vw, 1.1rem);
  font-weight: 700;
  line-height: 1.5;
  letter-spacing: -0.005em;
  color: var(--text);
  transition: color 0.18s ease;
}

.page-news .entry-head:hover .entry-title {
  color: var(--mint-soft);
}

.page-news .entry-excerpt {
  grid-area: excerpt;
  display: block;
  margin: 6px 0 0;
  font-size: 0.88rem;
  line-height: 1.75;
  color: var(--muted);
}

.page-news .entry-body {
  padding: 0 0 20px;
  max-width: 66ch;
  font-size: 0.9rem;
  line-height: 1.85;
  color: var(--text-body);
  animation: news-fade 0.22s ease;
}

.page-news .entry-body p {
  margin: 0 0 10px;
}

.page-news .entry-body p:last-child {
  margin-bottom: 0;
}

.page-news .entry-link {
  display: inline-block;
  font-size: 0.84rem;
  color: var(--mint);
  text-decoration: none;
  border-bottom: 1px solid rgba(95, 242, 193, 0.35);
  padding-bottom: 1px;
  transition: color 0.18s ease, border-color 0.18s ease;
}

.page-news .entry-link:hover,
.page-news .entry-link:focus-visible {
  color: var(--mint-soft);
  border-bottom-color: var(--mint-soft);
}

/* ---------- 专题系列 ---------- */
.page-news .series-list {
  display: grid;
  gap: 16px;
}

.page-news .series-card {
  position: relative;
  padding: 22px;
  border: 1px solid var(--line-hair);
  border-radius: var(--radius);
  background: linear-gradient(180deg, rgba(19, 40, 68, 0.55), rgba(13, 27, 46, 0.75));
  box-shadow: var(--shadow-sm);
  transition: border-color 0.2s ease, transform 0.2s ease;
}

.page-news .series-card:hover {
  border-color: rgba(95, 242, 193, 0.28);
  transform: translateY(-2px);
}

.page-news .series-card--media {
  display: grid;
  gap: 20px;
}

.page-news .series-kicker {
  margin: 0 0 8px;
  font-size: 0.71rem;
  letter-spacing: 0.14em;
  color: var(--amber);
}

.page-news .series-title {
  margin: 0 0 10px;
  font-family: var(--font-display);
  font-size: clamp(1.15rem, 2.4vw, 1.4rem);
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--text);
}

.page-news .series-text {
  margin: 0 0 14px;
  max-width: 58ch;
  font-size: 0.9rem;
  line-height: 1.8;
  color: var(--text-body);
}

.page-news .series-media {
  margin: 0;
  border: 1px solid var(--line-hair);
  border-radius: var(--radius-sm);
  overflow: hidden;
  background: var(--ink-800);
}

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

.page-news .series-links {
  list-style: none;
  margin: 0 0 16px;
  padding: 0;
  border-top: 1px solid var(--line-hair);
}

.page-news .series-links li {
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding: 8px 0;
  border-bottom: 1px solid var(--line-hair);
  font-size: 0.85rem;
}

.page-news .series-links a {
  flex: 1;
  color: var(--text-body);
  text-decoration: none;
  line-height: 1.6;
  transition: color 0.18s ease;
}

.page-news .series-links a:hover,
.page-news .series-links a:focus-visible {
  color: var(--mint);
}

.page-news .series-links .mono {
  flex: none;
  font-size: 0.7rem;
  color: var(--muted);
}

/* ---------- 更新节奏 ---------- */
.page-news .cadence-grid {
  display: grid;
  gap: 14px;
}

.page-news .cadence-item {
  padding: 20px 18px;
  border: 1px solid var(--line-hair);
  border-top: 2px solid var(--mint);
  border-radius: var(--radius-sm);
  background: rgba(19, 40, 68, 0.42);
}

.page-news .cadence-cycle {
  display: inline-block;
  margin-bottom: 8px;
  font-size: 0.71rem;
  letter-spacing: 0.16em;
  color: var(--amber);
}

.page-news .cadence-item h3 {
  margin: 0 0 8px;
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 700;
  color: var(--text);
}

.page-news .cadence-item p {
  margin: 0;
  font-size: 0.86rem;
  line-height: 1.78;
  color: var(--muted);
}

.page-news .cadence-note {
  margin: 16px 0 0;
  padding: 14px 16px;
  border-left: 2px solid var(--amber);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  background: var(--amber-wash);
  font-size: 0.86rem;
  line-height: 1.78;
  color: var(--text-body);
}

/* ---------- 帮助与联系 ---------- */
.page-news .support-grid {
  display: grid;
  gap: 22px;
  padding: 24px;
  border: 1px solid var(--line-soft);
  border-radius: var(--radius);
  background:
    radial-gradient(120% 120% at 0% 0%, rgba(95, 242, 193, 0.1), transparent 58%),
    rgba(13, 27, 46, 0.72);
}

.page-news .support-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 4px;
}

.page-news .support-facts {
  margin: 22px 0 0;
}

.page-news .support-facts a {
  color: var(--mint);
  text-decoration: none;
  border-bottom: 1px solid rgba(95, 242, 193, 0.35);
}

.page-news .support-facts a:hover,
.page-news .support-facts a:focus-visible {
  color: var(--mint-soft);
  border-bottom-color: var(--mint-soft);
}

@keyframes news-fade {
  from {
    opacity: 0;
    transform: translateY(-3px);
  }
  to {
    opacity: 1;
    transform: none;
  }
}

/* ---------- 响应式 ---------- */
@media (min-width: 700px) {
  .page-news .cadence-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (min-width: 820px) {
  .page-news .support-grid {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
    align-items: center;
  }
}

@media (min-width: 900px) {
  .page-news .news-head {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
    align-items: end;
  }
}

@media (min-width: 980px) {
  .page-news .news-layout {
    grid-template-columns: var(--news-rail-w) minmax(0, 1fr);
    align-items: start;
  }

  .page-news .news-rail {
    position: sticky;
    top: calc(var(--header-h) + 18px);
  }
}

@media (min-width: 1024px) {
  .page-news .series-card--media {
    grid-template-columns: minmax(0, 0.92fr) minmax(0, 1.08fr);
    align-items: center;
    gap: 24px;
  }

  .page-news .series-card--flip {
    grid-template-columns: minmax(0, 1.08fr) minmax(0, 0.92fr);
  }

  .page-news .series-card--flip .series-media {
    order: 2;
  }
}

@media (max-width: 420px) {
  .page-news .news-stat {
    flex: 1 1 100%;
  }

  .page-news .entry-head {
    padding-right: 0;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-news .entry-body {
    animation: none;
  }

  .page-news .series-card,
  .page-news .rail-cats a,
  .page-news .rail-nav a,
  .page-news .entry-title,
  .page-news .entry-mark {
    transition: none;
  }
}
<<<END>>>