.page-news {
  --news-line: rgba(42, 82, 124, 0.55);
  --news-panel: rgba(15, 40, 70, 0.5);
  display: block;
  padding-bottom: 24px;
}

/* ---------- 页头 ---------- */
.page-news .news-hero {
  padding: 22px 0 0;
  background:
    radial-gradient(140% 80% at 8% -10%, rgba(22, 56, 95, 0.9) 0%, rgba(10, 27, 51, 0) 62%),
    radial-gradient(90% 60% at 96% 0%, rgba(47, 165, 160, 0.12) 0%, rgba(10, 27, 51, 0) 70%);
}

.page-news .news-hero-head {
  margin-top: 16px;
}

.page-news .news-hero h1 {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(32px, 6.4vw, 62px);
  line-height: 1.08;
  letter-spacing: -0.02em;
  margin: 10px 0 16px;
  max-width: 20ch;
}

.page-news .news-lede {
  margin: 0;
  max-width: 66ch;
  font-size: 16px;
  line-height: 1.85;
  color: var(--text);
  opacity: 0.86;
}

.page-news .news-stats {
  list-style: none;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px 18px;
  margin: 28px 0 0;
  padding: 0;
}

.page-news .news-stats li {
  display: flex;
  align-items: baseline;
  gap: 8px;
  border-top: 1px solid var(--news-line);
  padding-top: 10px;
}

.page-news .stat-num {
  font-family: var(--font-mono);
  font-size: 24px;
  line-height: 1;
  color: var(--gold);
}

.page-news .stat-label {
  font-size: 13px;
  color: var(--muted);
}

.page-news .news-banner {
  margin: clamp(24px, 5vw, 46px) 0 0;
}

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

.page-news .version-figure,
.page-news .maintain-figure {
  margin: 0 0 26px;
}

/* ---------- 双栏骨架 ---------- */
.page-news .news-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 26px;
  padding-top: 32px;
}

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

.page-news .cat-head {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--muted);
}

.page-news .cat-list {
  list-style: none;
  display: flex;
  gap: 8px;
  margin: 0;
  padding: 0 0 4px;
  overflow-x: auto;
  scrollbar-width: thin;
}

.page-news .cat-list li {
  flex: 0 0 auto;
}

.page-news .cat-link {
  display: flex;
  align-items: center;
  gap: 10px;
  white-space: nowrap;
  padding: 9px 13px;
  border: 1px solid var(--news-line);
  border-radius: var(--radius);
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--text);
  text-decoration: none;
  background: rgba(15, 40, 70, 0.35);
  transition: border-color 200ms var(--ease), color 200ms var(--ease), background-color 200ms var(--ease);
}

.page-news .cat-link:hover,
.page-news .cat-link:focus-visible {
  border-color: var(--gold-dim);
  color: var(--gold);
  background: rgba(22, 56, 95, 0.6);
}

.page-news .cat-count {
  color: var(--muted);
  font-family: var(--font-mono);
  font-size: 12px;
}

/* ---------- 章节 ---------- */
.page-news .news-stream {
  min-width: 0;
}

.page-news .news-stream > .section {
  padding: 34px 0;
}

.page-news .news-stream > .section:first-child {
  padding-top: 4px;
}

.page-news .news-stream > .section + .section {
  border-top: 1px solid var(--news-line);
}

.page-news .news-stream h2 {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(24px, 3.4vw, 34px);
  line-height: 1.2;
  letter-spacing: -0.01em;
  margin: 6px 0 0;
}

.page-news .section-note {
  margin: 12px 0 22px;
  max-width: 62ch;
  font-size: 14px;
  line-height: 1.8;
  color: var(--muted);
}

/* ---------- 条目 ---------- */
.page-news .entry-list {
  border-top: 1px solid var(--news-line);
}

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

.page-news .entry > summary {
  position: relative;
  display: grid;
  grid-template-columns: 32px minmax(0, 1fr);
  grid-template-areas:
    "no title"
    "no meta";
  gap: 6px 14px;
  padding: 18px 44px 18px 14px;
  cursor: pointer;
  list-style: none;
  transition: background-color 200ms var(--ease);
}

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

.page-news .entry > summary::after {
  content: "+";
  position: absolute;
  top: 16px;
  right: 14px;
  font-family: var(--font-mono);
  font-size: 16px;
  line-height: 1;
  color: var(--gold);
}

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

.page-news .entry > summary:hover {
  background: rgba(22, 56, 95, 0.42);
}

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

.page-news .entry[open] > summary {
  background: rgba(22, 56, 95, 0.32);
}

.page-news .entry-no {
  grid-area: no;
  padding-top: 4px;
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--muted);
}

.page-news .entry-title {
  grid-area: title;
  font-size: 16px;
  font-weight: 600;
  line-height: 1.55;
  color: var(--text);
}

.page-news .entry[open] > summary .entry-title {
  color: var(--gold);
}

.page-news .entry-meta {
  grid-area: meta;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
}

.page-news .entry-tag {
  font-family: var(--font-mono);
  font-size: 12px;
  line-height: 1;
  padding: 5px 9px;
  border: 1px solid rgba(47, 165, 160, 0.5);
  border-radius: 999px;
  color: var(--jade-light);
  transition: background-color 180ms var(--ease), border-color 180ms var(--ease);
}

.page-news .entry:hover .entry-tag,
.page-news .entry[open] .entry-tag {
  background: rgba(47, 165, 160, 0.16);
  border-color: var(--jade);
}

.page-news .entry-time {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--muted);
}

.page-news .entry-body {
  margin: 0 14px 22px;
  padding: 2px 0 2px 18px;
  border-left: 2px solid var(--gold);
  animation: news-reveal 200ms var(--ease);
}

.page-news .entry-body p {
  margin: 0 0 10px;
  max-width: 68ch;
  font-size: 15px;
  line-height: 1.85;
  color: var(--text);
  opacity: 0.9;
}

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

.page-news .entry-actions {
  margin: 16px 0 0;
}

@keyframes news-reveal {
  from {
    opacity: 0;
    transform: translateY(-4px);
  }
  to {
    opacity: 1;
    transform: none;
  }
}

/* ---------- 使用提示 ---------- */
.page-news .tips-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 24px;
}

.page-news .tips-list {
  display: grid;
  gap: 14px;
}

.page-news .tip {
  padding: 16px 18px;
  background: var(--news-panel);
  border-left: 2px solid var(--jade);
  border-radius: 0 var(--radius) var(--radius) 0;
}

.page-news .tip h3 {
  margin: 0 0 8px;
  font-size: 18px;
  font-weight: 700;
  color: var(--text);
}

.page-news .tip p {
  margin: 0 0 12px;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--text);
  opacity: 0.88;
}

.page-news .tip-link {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--jade-light);
  text-decoration: none;
  border-bottom: 1px solid rgba(127, 216, 210, 0.4);
  transition: color 180ms var(--ease), border-color 180ms var(--ease);
}

.page-news .tip-link:hover,
.page-news .tip-link:focus-visible {
  color: var(--gold);
  border-color: var(--gold-dim);
}

.page-news .tips-figure {
  margin: 0;
}

/* ---------- 反馈通道 ---------- */
.page-news .feedback-panel {
  padding: 22px 20px;
  background: var(--news-panel);
  border: 1px solid var(--news-line);
  border-radius: var(--radius);
}

.page-news .feedback-lead {
  margin: 0 0 18px;
  max-width: 64ch;
  font-size: 16px;
  line-height: 1.85;
  color: var(--text);
}

.page-news .feedback-points {
  list-style: none;
  margin: 0 0 18px;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-news .feedback-points li {
  position: relative;
  padding-left: 20px;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--text);
  opacity: 0.9;
}

.page-news .feedback-points li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 11px;
  width: 10px;
  height: 1px;
  background: var(--gold);
}

.page-news .feedback-points strong {
  color: var(--gold);
  font-weight: 600;
}

.page-news .feedback-contact {
  margin: 0 0 4px;
  padding-top: 16px;
  border-top: 1px solid var(--news-line);
  font-family: var(--font-mono);
  font-size: 13px;
  line-height: 1.9;
  color: var(--muted);
}

.page-news .news-backtop {
  margin: 26px 0 0;
  text-align: right;
}

.page-news .news-backtop a {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--muted);
  text-decoration: none;
  border-bottom: 1px solid var(--news-line);
  transition: color 180ms var(--ease), border-color 180ms var(--ease);
}

.page-news .news-backtop a:hover,
.page-news .news-backtop a:focus-visible {
  color: var(--gold);
  border-color: var(--gold-dim);
}

/* ---------- 中等屏幕 ---------- */
@media (min-width: 720px) {
  .page-news .news-stats {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 16px 24px;
  }

  .page-news .stat-num {
    font-size: 28px;
  }

  .page-news .news-stats li {
    display: block;
  }

  .page-news .stat-label {
    display: block;
    margin-top: 6px;
  }

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

/* ---------- 桌面 ---------- */
@media (min-width: 960px) {
  .page-news .news-hero {
    padding-top: 34px;
  }

  .page-news .news-layout {
    grid-template-columns: 208px minmax(0, 1fr);
    gap: 56px;
    padding-top: 44px;
  }

  .page-news .news-rail {
    position: sticky;
    top: calc(var(--head-h) + 20px);
    align-self: start;
  }

  .page-news .cat-list {
    flex-direction: column;
    gap: 6px;
    overflow: visible;
    padding-bottom: 0;
  }

  .page-news .cat-label {
    flex: 1 1 auto;
  }

  .page-news .cat-link {
    justify-content: space-between;
  }

  .page-news .news-stream > .section {
    padding: 44px 0;
  }

  .page-news .news-stream > .section:first-child {
    padding-top: 4px;
  }

  .page-news .entry > summary {
    grid-template-columns: 52px minmax(0, 1fr) auto;
    grid-template-areas: "no title meta";
    align-items: baseline;
    gap: 20px;
    padding: 20px 48px 20px 14px;
  }

  .page-news .entry-no {
    padding-top: 2px;
    font-size: 14px;
  }

  .page-news .entry-title {
    font-size: 18px;
  }

  .page-news .entry-meta {
    justify-content: flex-end;
    flex-wrap: nowrap;
  }

  .page-news .entry-time {
    min-width: 58px;
    text-align: right;
  }

  .page-news .entry > summary::after {
    top: 20px;
  }

  .page-news .tips-grid {
    grid-template-columns: minmax(0, 1fr) 320px;
    gap: 36px;
    align-items: start;
  }

  .page-news .tips-figure {
    position: sticky;
    top: calc(var(--head-h) + 24px);
  }
}

@media (min-width: 1200px) {
  .page-news .tips-grid {
    grid-template-columns: minmax(0, 1fr) 360px;
  }
}

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

  .page-news .cat-link,
  .page-news .entry-tag,
  .page-news .entry > summary,
  .page-news .tip-link,
  .page-news .news-backtop a {
    transition: opacity 160ms linear;
  }
}