.page-news {
  --news-rail-w: 208px;
  --news-track: rgba(61, 245, 208, 0.18);
}

/* ---------- 页首 ---------- */
.page-news .crumbs {
  margin-bottom: clamp(20px, 3vw, 32px);
}

.page-news .news-masthead {
  padding: clamp(24px, 4vw, 44px) 0 clamp(24px, 4vw, 40px);
  border-bottom: 1px solid var(--line);
}

.page-news .news-kicker {
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: var(--t-12);
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--cyan);
}

.page-news h1 {
  margin: 0 0 18px;
  max-width: 20ch;
  font-size: clamp(2rem, 6vw, 3.6rem);
  font-weight: 900;
  line-height: 1.08;
  letter-spacing: -0.02em;
  color: var(--white);
}

.page-news .lead {
  margin: 0 0 clamp(26px, 3.5vw, 40px);
  max-width: 58ch;
}

.page-news .news-statbar {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(148px, 1fr));
  gap: 1px;
  margin: 0;
  padding: 0;
  list-style: none;
  background: var(--line);
  border: 1px solid var(--line);
}

.page-news .news-stat {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 16px 18px;
  background: var(--ink);
}

.page-news .news-stat__value {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: clamp(1.5rem, 4vw, 2rem);
  font-weight: 800;
  line-height: 1;
  color: var(--cyan);
}

.page-news .news-stat__label {
  font-size: var(--t-14);
  line-height: 1.55;
  color: var(--text-dim);
}

/* ---------- 标签 + 条目流 ---------- */
.page-news .news-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 24px;
  align-items: start;
}

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

.page-news .news-rail .chapter__title {
  font-size: var(--t-22);
}

.page-news .news-rail__hint {
  margin: 10px 0 16px;
  font-size: var(--t-14);
  line-height: 1.7;
  color: var(--text-dim);
}

.page-news .news-tags {
  display: flex;
  gap: 8px;
  min-width: 0;
  overflow-x: auto;
  padding-bottom: 6px;
  scrollbar-width: thin;
}

.page-news .tab {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  flex: 0 0 auto;
  padding: 10px 14px;
  border: 1px solid var(--line);
  background: transparent;
  color: var(--text-dim);
  font-family: var(--font-sans);
  font-size: var(--t-14);
  line-height: 1;
  white-space: nowrap;
  cursor: pointer;
  transition: color 0.18s ease, border-color 0.18s ease, background-color 0.18s ease;
}

.page-news .tab:hover {
  color: var(--white);
  border-color: var(--line-cyan);
}

.page-news .tab[aria-selected="true"] {
  color: var(--cyan);
  border-color: var(--line-cyan);
  background: rgba(61, 245, 208, 0.07);
}

.page-news .news-tab__index {
  font-family: var(--font-mono);
  font-size: var(--t-12);
  letter-spacing: 0.08em;
  color: var(--cyan-dim);
}

.page-news .tab[aria-selected="true"] .news-tab__index {
  color: var(--cyan);
}

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

.page-news .news-stream {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 14px;
}

/* ---------- 条目卡片 ---------- */
.page-news .news-entry {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: 20px;
  background: var(--glass);
  border: 1px solid var(--line);
  transition: border-color 0.18s ease, background-color 0.18s ease;
}

.page-news .news-entry:hover,
.page-news .news-entry:focus-within {
  border-color: var(--line-cyan);
  background: rgba(17, 26, 36, 0.86);
}

.page-news .news-entry--feature {
  padding: 0;
  overflow: hidden;
}

.page-news .news-entry__inner {
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: 18px 20px 20px;
}

.page-news .news-entry__media {
  position: relative;
  margin: 0;
  border: 0;
  border-bottom: 1px solid var(--line);
}

.page-news .news-entry__media .media__img {
  display: block;
  width: 100%;
  height: auto;
}

.page-news .news-entry__time {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin: 0;
  font-family: var(--font-mono);
  font-size: var(--t-12);
  letter-spacing: 0.08em;
  color: var(--mist);
}

.page-news .news-entry__time::before {
  content: "";
  flex: 0 0 auto;
  width: 22px;
  height: 1px;
  background: var(--cyan);
}

.page-news .news-entry__title {
  margin: 0;
  font-size: var(--t-22);
  font-weight: 800;
  line-height: 1.38;
  letter-spacing: -0.01em;
  color: var(--white);
}

.page-news .news-entry__excerpt {
  display: -webkit-box;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 2;
  overflow: hidden;
  margin: 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--text-dim);
  transition: -webkit-line-clamp 0.2s ease;
}

.page-news .news-entry:hover .news-entry__excerpt,
.page-news .news-entry:focus-within .news-entry__excerpt {
  -webkit-line-clamp: 8;
}

.page-news .news-entry__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 2px;
}

/* 奶油纸色停顿卡 */
.page-news .news-entry--paper {
  background: var(--paper);
  border-color: var(--paper);
}

.page-news .news-entry--paper .news-entry__title {
  color: var(--brown);
}

.page-news .news-entry--paper .news-entry__excerpt {
  color: rgba(36, 28, 20, 0.78);
}

.page-news .news-entry--paper .news-entry__time {
  color: rgba(36, 28, 20, 0.62);
}

.page-news .news-entry--paper .news-entry__time::before {
  background: var(--brown);
}

.page-news .news-entry--paper .pill {
  border-color: rgba(36, 28, 20, 0.34);
  color: var(--brown);
}

/* ---------- 双栏说明区 ---------- */
.page-news .news-split {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 20px;
  padding-top: 8px;
  border-top: 1px solid var(--line);
}

.page-news .news-split__body p {
  margin: 0 0 16px;
  max-width: 62ch;
  font-size: var(--t-17);
  line-height: 1.85;
  color: var(--text-dim);
}

.page-news .news-facts {
  display: grid;
  gap: 1px;
  margin: 22px 0 0;
  padding: 0;
  list-style: none;
  background: var(--line);
  border: 1px solid var(--line);
}

.page-news .news-facts li {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 4px;
  padding: 14px 16px;
  background: var(--ink-2);
}

.page-news .news-facts__k {
  font-family: var(--font-mono);
  font-size: var(--t-12);
  letter-spacing: 0.08em;
  color: var(--cyan);
}

.page-news .news-facts__v {
  font-size: var(--t-14);
  line-height: 1.65;
  color: var(--text);
}

/* ---------- 版本说明 ---------- */
.page-news .news-release {
  gap: 28px;
  align-items: start;
}

.page-news .news-release__text p {
  margin: 0 0 16px;
  max-width: 58ch;
  font-size: var(--t-17);
  line-height: 1.85;
  color: var(--text-dim);
}

.page-news .news-release__figure {
  margin: 0;
  padding: 14px;
  background: var(--ink-2);
  border: 1px solid var(--line);
}

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

.page-news .news-release__figure figcaption {
  margin-top: 12px;
  font-size: var(--t-12);
  line-height: 1.7;
  color: var(--mist);
}

/* ---------- 专题 ---------- */
.page-news .news-lead-tight {
  margin: 0 0 22px;
  max-width: 66ch;
  font-size: var(--t-17);
  line-height: 1.85;
  color: var(--text-dim);
}

.page-news .news-topic-figure {
  margin: 0 0 24px;
  border: 1px solid var(--line);
}

.page-news .news-topic-figure img {
  display: block;
  width: 100%;
  height: auto;
}

.page-news .news-topics {
  display: grid;
  gap: 10px;
}

.page-news .news-topic {
  border: 1px solid var(--line);
  background: var(--ink-2);
}

.page-news .news-topic[open] {
  border-color: var(--line-cyan);
}

.page-news .news-topic__summary {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: center;
  gap: 14px;
  padding: 16px 18px;
  cursor: pointer;
  list-style: none;
}

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

.page-news .news-topic__index {
  padding: 3px 7px;
  font-family: var(--font-mono);
  font-size: var(--t-12);
  letter-spacing: 0.08em;
  color: var(--cyan);
  border: 1px solid var(--line-cyan);
}

.page-news .news-topic__name {
  font-size: var(--t-17);
  font-weight: 700;
  color: var(--white);
}

.page-news .news-topic__rounds {
  font-family: var(--font-mono);
  font-size: var(--t-12);
  letter-spacing: 0.06em;
  color: var(--mist);
  white-space: nowrap;
}

.page-news .news-topic__list {
  margin: 0;
  padding: 14px 18px 18px 42px;
  list-style: none;
  border-top: 1px dashed var(--line);
}

.page-news .news-topic__list li {
  position: relative;
  padding-left: 16px;
  font-size: var(--t-14);
  line-height: 1.8;
  color: var(--text-dim);
}

.page-news .news-topic__list li + li {
  margin-top: 6px;
}

.page-news .news-topic__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.75em;
  width: 7px;
  height: 1px;
  background: var(--cyan-dim);
}

/* ---------- 数据校订 ---------- */
.page-news .news-audit {
  gap: 28px;
  align-items: start;
}

.page-news .news-audit__figure {
  margin: 0;
  border: 1px solid var(--line);
  background: var(--ink-2);
}

.page-news .news-audit__figure img {
  display: block;
  width: 100%;
  height: auto;
}

.page-news .news-audit__text p {
  margin: 0 0 16px;
  max-width: 58ch;
  font-size: var(--t-17);
  line-height: 1.85;
  color: var(--text-dim);
}

/* ---------- 收尾入口 ---------- */
.page-news .news-follow {
  padding-top: 32px;
  border-top: 1px solid var(--line);
}

.page-news .news-follow p {
  margin: 0 0 24px;
  max-width: 60ch;
  font-size: var(--t-17);
  line-height: 1.85;
  color: var(--text-dim);
}

.page-news .news-follow__links {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

/* ---------- 响应式 ---------- */
@media (min-width: 720px) {
  .page-news .news-facts li {
    grid-template-columns: 168px minmax(0, 1fr);
    align-items: baseline;
    gap: 16px;
  }
}

@media (min-width: 900px) {
  .page-news .news-stream {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 16px;
  }

  .page-news .news-entry--feature,
  .page-news .news-entry--paper {
    grid-column: 1 / -1;
  }

  .page-news .news-split {
    grid-template-columns: 300px minmax(0, 1fr);
    gap: 48px;
  }
}

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

  .page-news .news-rail {
    position: sticky;
    top: calc(var(--header-h) + 28px);
  }

  .page-news .news-tags {
    flex-direction: column;
    overflow: visible;
    padding: 6px 0 6px 14px;
    border-left: 1px solid var(--line-cyan);
  }

  .page-news .tab {
    justify-content: flex-start;
    width: 100%;
    border-color: transparent;
    border-left: 0;
    margin-left: -15px;
    padding-left: 14px;
  }

  .page-news .tab[aria-selected="true"] {
    border-left: 2px solid var(--cyan);
    border-color: transparent;
    border-left-color: var(--cyan);
    background: linear-gradient(90deg, rgba(61, 245, 208, 0.12), rgba(61, 245, 208, 0));
  }
}

@media (max-width: 560px) {
  .page-news .news-topic__summary {
    grid-template-columns: auto minmax(0, 1fr);
    gap: 10px;
  }

  .page-news .news-topic__rounds {
    grid-column: 1 / -1;
    white-space: normal;
  }

  .page-news .news-topic__list {
    padding-left: 18px;
  }

  .page-news .news-entry__title {
    font-size: var(--t-17);
  }
}