.page-news {
  --news-rule: 1px solid var(--line);
  --news-side: 236px;
}

/* ---------- 首屏 ---------- */
.page-news .notes-hero {
  padding: clamp(36px, 7vw, 84px) 0 clamp(24px, 4vw, 44px);
  border-bottom: var(--news-rule);
}

.page-news .notes-hero .eyebrow {
  color: var(--cyan);
  font-size: 12px;
  letter-spacing: 0.08em;
}

.page-news .notes-title {
  margin: 14px 0 0;
  font-family: var(--font-sans);
  font-size: clamp(42px, 9vw, 86px);
  font-weight: 250;
  letter-spacing: -0.03em;
  line-height: 0.96;
  color: var(--paper);
}

.page-news .notes-lead {
  margin: 22px 0 0;
  max-width: 46ch;
  font-size: 16px;
  line-height: 27px;
  color: var(--mist);
}

.page-news .hero-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 30px;
  margin: 30px 0 0;
  padding: 0;
  list-style: none;
  font-size: 13px;
  color: var(--mist);
}

.page-news .hero-meta li {
  display: flex;
  align-items: baseline;
  gap: 9px;
}

.page-news .hero-meta .mono {
  font-size: 12px;
  color: var(--blue);
}

/* ---------- 置顶条 ---------- */
.page-news .pinned {
  display: grid;
  border: var(--news-rule);
  border-left: 3px solid var(--blue);
  background: var(--panel);
}

.page-news .pinned-media {
  position: relative;
  overflow: hidden;
  background: var(--focus);
  aspect-ratio: 16 / 10;
}

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

.page-news .pinned-body {
  display: flex;
  flex-direction: column;
  padding: clamp(22px, 3.4vw, 40px);
}

.page-news .pinned-flag {
  margin: 0;
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--cyan);
}

.page-news .pinned-title {
  margin: 12px 0 0;
  font-size: clamp(22px, 2.8vw, 32px);
  font-weight: 700;
  letter-spacing: -0.015em;
  line-height: 1.24;
  color: var(--paper);
}

.page-news .pinned-summary {
  margin: 14px 0 0;
  max-width: 54ch;
  font-size: 15px;
  line-height: 25px;
  color: var(--mist);
}

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

.page-news .pinned-points li {
  display: grid;
  grid-template-columns: 28px minmax(0, 1fr);
  gap: 10px;
  align-items: baseline;
  padding: 10px 0;
  border-top: 1px dashed var(--line);
  font-size: 14px;
  line-height: 22px;
  color: var(--paper);
}

.page-news .pinned-points .mono {
  font-size: 12px;
  color: var(--blue);
}

.page-news .pinned-actions {
  margin-top: 26px;
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

/* ---------- 双栏研究板 ---------- */
.page-news .notes-layout {
  display: grid;
  gap: 30px;
  align-items: start;
}

.page-news .notes-index {
  border: var(--news-rule);
  background: var(--panel);
  padding: 18px 18px 20px;
}

.page-news .index-title {
  margin: 0;
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.02em;
  color: var(--paper);
}

.page-news .index-note {
  margin: 8px 0 0;
  font-size: 12px;
  line-height: 18px;
  color: var(--mist);
}

.page-news .index-list {
  margin: 14px 0 0;
  padding: 0;
  list-style: none;
}

.page-news .index-item {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 12px;
  padding: 9px 0;
  border-top: 1px solid var(--line);
  font-size: 13.5px;
  color: var(--paper);
}

.page-news .index-item:last-child {
  border-bottom: 1px solid var(--line);
}

.page-news .index-count {
  font-size: 13px;
  color: var(--cyan);
}

.page-news .index-total {
  margin: 14px 0 0;
  font-size: 12px;
  line-height: 18px;
  color: var(--mist);
}

/* ---------- 更新流 ---------- */
.page-news .notes-stream {
  min-width: 0;
}

.page-news .stream-head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 8px 16px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--line);
}

.page-news .stream-title {
  margin: 0;
  font-size: clamp(18px, 2.2vw, 22px);
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--paper);
}

.page-news .stream-note {
  margin: 0;
  font-size: 12px;
  color: var(--mist);
}

.page-news .note-item {
  display: grid;
  gap: 6px;
  padding: 20px 12px 22px 14px;
  border-bottom: 1px solid var(--line);
  border-left: 2px solid transparent;
  transition: background-color 160ms var(--ease), border-left-color 160ms var(--ease);
}

.page-news .note-item:hover {
  background: var(--glass);
  border-left-color: var(--blue);
}

.page-news .note-time {
  font-size: 12px;
  letter-spacing: 0.02em;
  color: var(--mist);
  padding-top: 3px;
}

.page-news .note-body {
  min-width: 0;
}

.page-news .note-title {
  margin: 0;
  font-size: 17px;
  font-weight: 600;
  line-height: 1.5;
  letter-spacing: -0.005em;
  color: var(--paper);
}

.page-news .note-summary {
  margin: 7px 0 0;
  max-width: 64ch;
  font-size: 14px;
  line-height: 22px;
  color: var(--mist);
}

.page-news .note-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 11px;
}

.page-news .note-figure {
  margin: 16px 0 0;
}

.page-news .note-figure img {
  display: block;
  width: 100%;
  height: auto;
  border: 1px solid var(--line);
  background: var(--focus);
}

.page-news .stream-figure {
  margin: 26px 0 0;
}

.page-news .stream-figure img {
  display: block;
  width: 100%;
  height: auto;
  border: 1px solid var(--line);
  background: var(--focus);
  opacity: 0.9;
}

/* ---------- 展开组 ---------- */
.page-news .disclosure {
  margin-top: 12px;
  border-top: 1px dashed var(--line);
}

.page-news .disclosure-toggle {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  width: 100%;
  padding: 10px 0 4px;
  background: none;
  border: 0;
  text-align: left;
  font-family: inherit;
  font-size: 13px;
  color: var(--cyan);
  cursor: pointer;
}

.page-news .disclosure-index {
  font-size: 12px;
  color: var(--cyan);
}

.page-news .disclosure-panel .disclosure-inner {
  padding: 6px 0 12px;
  font-size: 13.5px;
  line-height: 22px;
  color: var(--mist);
}

.page-news .disclosure-inner p {
  margin: 0 0 8px;
  max-width: 62ch;
}

.page-news .disclosure-inner a {
  color: var(--blue);
  text-decoration: none;
  border-bottom: 1px solid rgba(29, 107, 255, 0.45);
}

.page-news .disclosure-inner a:hover {
  border-bottom-color: var(--cyan);
}

/* ---------- 专题系列 ---------- */
.page-news .series-grid {
  display: grid;
  gap: 18px;
  margin-top: 28px;
  align-items: start;
}

.page-news .series-card {
  display: flex;
  flex-direction: column;
  border: 1px solid var(--line);
  background: var(--panel);
  overflow: hidden;
}

.page-news .series-thumb {
  border-bottom: 1px solid var(--line);
  background: var(--focus);
}

.page-news .series-thumb img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
}

.page-news .series-body {
  display: flex;
  flex-direction: column;
  gap: 10px;
  flex: 1;
  padding: 20px;
}

.page-news .series-name {
  margin: 0;
  font-size: 18px;
  font-weight: 700;
  letter-spacing: -0.005em;
  color: var(--paper);
}

.page-news .series-desc {
  margin: 0;
  font-size: 14px;
  line-height: 22px;
  color: var(--mist);
}

.page-news .series-meta {
  margin: auto 0 0;
  padding-top: 14px;
  font-size: 12px;
  color: var(--cyan);
}

/* ---------- 更正与勘误 ---------- */
.page-news .errata-grid {
  display: grid;
  gap: 20px;
  margin-top: 26px;
  align-items: start;
}

.page-news .errata-rules {
  margin: 0;
  padding: 0;
  list-style: none;
  counter-reset: none;
}

.page-news .errata-rules li {
  display: grid;
  grid-template-columns: 32px minmax(0, 1fr);
  gap: 12px;
  padding: 14px 0;
  border-top: 1px solid var(--line);
  font-size: 14px;
  line-height: 23px;
  color: var(--paper);
}

.page-news .errata-rules li:last-child {
  border-bottom: 1px solid var(--line);
}

.page-news .errata-rules .mono {
  font-size: 12px;
  color: var(--blue);
}

.page-news .errata-panel {
  border: 1px solid var(--line);
  border-left: 3px solid var(--clay);
  background: var(--panel);
  padding: 22px 20px;
}

.page-news .errata-panel-title {
  margin: 0;
  font-size: 17px;
  font-weight: 700;
  letter-spacing: -0.005em;
  color: var(--paper);
}

.page-news .errata-panel-text {
  margin: 12px 0 18px;
  font-size: 14px;
  line-height: 23px;
  color: var(--mist);
}

/* ---------- 回访提示 ---------- */
.page-news .revisit {
  border: 1px solid var(--line);
  background:
    linear-gradient(180deg, rgba(29, 107, 255, 0.12), rgba(6, 9, 16, 0) 72%),
    var(--panel);
  padding: clamp(22px, 3.4vw, 38px);
}

.page-news .revisit-title {
  margin: 0;
  font-size: clamp(20px, 2.4vw, 28px);
  font-weight: 700;
  letter-spacing: -0.015em;
  color: var(--paper);
}

.page-news .revisit-text {
  margin: 14px 0 0;
  max-width: 66ch;
  font-size: 14px;
  line-height: 24px;
  color: var(--mist);
}

.page-news .revisit-actions {
  margin-top: 24px;
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

/* ---------- 响应式 ---------- */
@media (min-width: 720px) {
  .page-news .note-item {
    grid-template-columns: 92px minmax(0, 1fr);
    column-gap: 16px;
    align-items: start;
  }
}

@media (min-width: 880px) {
  .page-news .pinned {
    grid-template-columns: minmax(0, 0.95fr) minmax(0, 1.05fr);
  }

  .page-news .pinned-media {
    aspect-ratio: auto;
    min-height: 100%;
  }

  .page-news .errata-grid {
    grid-template-columns: minmax(0, 1.25fr) minmax(0, 1fr);
  }
}

@media (min-width: 680px) {
  .page-news .series-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 960px) {
  .page-news .notes-layout {
    grid-template-columns: var(--news-side) minmax(0, 1fr);
    gap: 48px;
  }

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

@media (min-width: 1040px) {
  .page-news .series-grid {
    grid-template-columns: 1.15fr 1fr 1fr;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-news .note-item {
    transition: none;
  }
}