.page-news {
  --news-violet: #a78bfa;
  --news-radius: 14px;
  --news-gap: clamp(16px, 3vw, 30px);
  --news-accent: var(--cyan);
  display: block;
  background:
    radial-gradient(120% 70% at 82% -6%, rgba(58, 46, 92, 0.55), transparent 62%),
    radial-gradient(90% 50% at 0% 30%, rgba(14, 27, 49, 0.9), transparent 70%),
    var(--ink);
  color: var(--silver);
  overflow-x: clip;
}

.page-news .news-breadcrumb {
  display: block;
  padding-top: clamp(18px, 3vw, 28px);
}

/* ---------- 报头 ---------- */
.page-news .news-masthead {
  padding-top: clamp(18px, 3vw, 30px);
}

.page-news .news-masthead h1 {
  margin: 14px 0 18px;
  max-width: 22ch;
  font-family: var(--font-display);
  font-size: clamp(1.9rem, 5.6vw, var(--fs-700));
  font-weight: 800;
  line-height: 1.14;
  letter-spacing: -0.012em;
  color: var(--white);
}

.page-news .news-lede {
  margin: 0 0 26px;
  max-width: 62ch;
  font-size: var(--fs-300);
  line-height: 1.78;
  color: var(--dim-strong);
}

.page-news .masthead-stats {
  display: flex;
  flex-wrap: wrap;
  gap: 14px 30px;
  margin: 0;
  padding: 18px 0 0;
  list-style: none;
  border-top: 1px solid var(--line-soft);
}

.page-news .masthead-stats li {
  display: flex;
  align-items: baseline;
  gap: 8px;
}

.page-news .masthead-stats b {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: var(--fs-500);
  font-weight: 700;
  color: var(--cyan);
  line-height: 1;
}

.page-news .masthead-stats span {
  font-size: var(--fs-200);
  color: var(--dim);
}

.page-news .masthead-media {
  position: relative;
  margin: clamp(26px, 4vw, 46px) 0 0;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  overflow: hidden;
}

.page-news .masthead-media img {
  display: block;
  width: 100%;
  height: clamp(190px, 32vw, 400px);
  object-fit: cover;
  object-position: center 40%;
}

.page-news .masthead-media::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: linear-gradient(
    102deg,
    rgba(6, 13, 26, 0.78) 0%,
    rgba(6, 13, 26, 0.18) 42%,
    rgba(58, 46, 92, 0.42) 74%,
    rgba(6, 13, 26, 0.72) 100%
  );
}

/* ---------- 四个栏目 ---------- */
.page-news .news-columns {
  padding-top: clamp(38px, 6vw, 62px);
}

.page-news .column-index {
  display: grid;
  gap: 1px;
  margin: 0;
  padding: 0;
  list-style: none;
  border: 1px solid var(--line-soft);
  border-radius: var(--news-radius);
  overflow: hidden;
  background: var(--line-soft);
}

.page-news .column-item {
  --accent: var(--cyan);
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: clamp(18px, 2.6vw, 28px);
  background: linear-gradient(180deg, rgba(14, 27, 49, 0.94), rgba(6, 13, 26, 0.94));
}

.page-news .column-item::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 3px;
  background: var(--accent);
  opacity: 0.9;
}

.page-news .column-item--cyan { --accent: var(--cyan); }
.page-news .column-item--gold { --accent: var(--gold); }
.page-news .column-item--violet { --accent: var(--news-violet); }
.page-news .column-item--ember { --accent: var(--ember); }

.page-news .column-num {
  font-family: var(--font-mono);
  font-size: var(--fs-100);
  letter-spacing: 0.2em;
  color: var(--accent);
}

.page-news .column-item h3 {
  margin: 0;
  font-family: var(--font-display);
  font-size: var(--fs-500);
  font-weight: 700;
  line-height: 1.25;
  color: var(--white);
}

.page-news .column-item p {
  margin: 0;
  font-size: var(--fs-300);
  line-height: 1.72;
  color: var(--dim-strong);
}

.page-news .column-cadence {
  margin-top: auto;
  padding-top: 14px;
  border-top: 1px solid var(--line-soft);
  font-family: var(--font-mono);
  font-size: var(--fs-100);
  letter-spacing: 0.04em;
  color: var(--dim);
}

/* ---------- 层叠目录 ---------- */
.page-news .news-ledger {
  padding-top: clamp(44px, 7vw, 76px);
}

.page-news .ledger-grid {
  display: grid;
  gap: var(--news-gap);
}

.page-news .ledger-main {
  min-width: 0;
}

/* 首条专题放大 */
.page-news .ledger-feature {
  position: relative;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--news-radius);
  background: linear-gradient(160deg, rgba(58, 46, 92, 0.5), rgba(6, 13, 26, 0.94) 62%);
  margin-bottom: clamp(30px, 5vw, 50px);
}

.page-news .feature-media {
  position: relative;
  margin: 0;
  overflow: hidden;
}

.page-news .feature-media img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 9;
  object-fit: cover;
}

.page-news .feature-media::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: linear-gradient(to top, rgba(6, 13, 26, 0.92) 0%, rgba(6, 13, 26, 0.1) 58%);
}

.page-news .feature-body {
  padding: clamp(20px, 3vw, 32px);
}

.page-news .feature-body h3 {
  margin: 14px 0 12px;
  font-family: var(--font-display);
  font-size: clamp(1.35rem, 3.6vw, var(--fs-600));
  font-weight: 700;
  line-height: 1.22;
  color: var(--white);
}

.page-news .feature-body > p {
  margin: 0 0 18px;
  font-size: var(--fs-300);
  line-height: 1.76;
  color: var(--dim-strong);
}

.page-news .feature-points {
  display: grid;
  gap: 8px;
  margin: 0 0 20px;
  padding: 0;
  list-style: none;
}

.page-news .feature-points li {
  position: relative;
  padding-left: 20px;
  font-size: var(--fs-200);
  line-height: 1.7;
  color: var(--silver);
}

.page-news .feature-points li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.62em;
  width: 9px;
  height: 2px;
  border-radius: 2px;
  background: var(--gold);
}

/* 栏目标签 */
.page-news .entry-tag {
  display: inline-block;
  padding: 3px 11px;
  border: 1px solid currentColor;
  border-radius: 999px;
  font-family: var(--font-mono);
  font-size: var(--fs-100);
  letter-spacing: 0.12em;
  color: var(--cyan);
  background: rgba(53, 224, 214, 0.09);
}

.page-news .entry-tag--gold { color: var(--gold); background: rgba(245, 197, 66, 0.09); }
.page-news .entry-tag--violet { color: var(--news-violet); background: rgba(167, 139, 250, 0.1); }
.page-news .entry-tag--ember { color: var(--ember); background: rgba(255, 122, 61, 0.09); }

/* 分组 */
.page-news .ledger-group {
  margin-bottom: clamp(34px, 5vw, 56px);
  scroll-margin-top: 110px;
}

.page-news .ledger-group:last-child {
  margin-bottom: 0;
}

.page-news .ledger-group--cyan { --accent: var(--cyan); }
.page-news .ledger-group--gold { --accent: var(--gold); }
.page-news .ledger-group--violet { --accent: var(--news-violet); }
.page-news .ledger-group--ember { --accent: var(--ember); }

.page-news .group-head {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 18px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--line-soft);
}

.page-news .group-mark {
  flex: none;
  width: 4px;
  height: 20px;
  border-radius: 2px;
  background: var(--accent, var(--cyan));
  box-shadow: 0 0 14px var(--accent, var(--cyan));
}

.page-news .group-head h3 {
  margin: 0;
  font-family: var(--font-display);
  font-size: var(--fs-500);
  font-weight: 700;
  color: var(--white);
}

.page-news .group-cadence {
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: var(--fs-100);
  letter-spacing: 0.06em;
  color: var(--dim);
}

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

/* 条目卡片 */
.page-news .entry {
  --accent: var(--cyan);
  position: relative;
  padding: clamp(16px, 2.4vw, 22px) clamp(16px, 2.6vw, 24px);
  border: 1px solid var(--line-soft);
  border-radius: var(--news-radius);
  background: linear-gradient(140deg, rgba(14, 27, 49, 0.82), rgba(6, 13, 26, 0.62));
  transition: border-color 240ms ease, transform 240ms ease, background 240ms ease;
}

.page-news .entry::before {
  content: "";
  position: absolute;
  left: 0;
  top: 20px;
  width: 3px;
  height: 26px;
  border-radius: 0 3px 3px 0;
  background: var(--accent);
  opacity: 0.85;
}

.page-news .ledger-group--cyan .entry { --accent: var(--cyan); }
.page-news .ledger-group--gold .entry { --accent: var(--gold); }
.page-news .ledger-group--violet .entry { --accent: var(--news-violet); }
.page-news .ledger-group--ember .entry { --accent: var(--ember); }

.page-news .entry:hover {
  border-color: var(--accent);
  transform: translateY(-2px);
}

.page-news .entry h4 {
  margin: 12px 0 8px;
  font-family: var(--font-display);
  font-size: var(--fs-400);
  font-weight: 700;
  line-height: 1.42;
  color: var(--white);
}

.page-news .entry p {
  margin: 0 0 12px;
  font-size: var(--fs-300);
  line-height: 1.72;
  color: var(--dim-strong);
}

.page-news .entry-foot {
  display: block;
  font-family: var(--font-mono);
  font-size: var(--fs-100);
  letter-spacing: 0.05em;
  color: var(--dim);
}

.page-news .entry-foot::before {
  content: "";
  display: inline-block;
  width: 5px;
  height: 5px;
  margin-right: 8px;
  border-radius: 50%;
  background: var(--accent, var(--cyan));
  vertical-align: middle;
}

/* 部分栏目的正文压在图片上 */
.page-news .entry--wide {
  padding: 0;
  overflow: hidden;
}

.page-news .entry-wide-media {
  margin: 0;
  overflow: hidden;
}

.page-news .entry-wide-media img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  transition: transform 420ms ease;
}

.page-news .entry--wide:hover .entry-wide-media img {
  transform: translateY(-4px);
}

.page-news .entry--wide .entry-body {
  padding: clamp(16px, 2.6vw, 24px);
}

.page-news .entry--wide::before {
  display: none;
}

/* 带方形缩略图的条目 */
.page-news .entry--media {
  display: grid;
  gap: 16px;
  align-items: start;
}

.page-news .entry--media > img {
  display: block;
  width: 100%;
  max-width: 132px;
  height: auto;
  aspect-ratio: 1 / 1;
  object-fit: cover;
  border-radius: 10px;
  border: 1px solid var(--line-soft);
  transition: transform 320ms ease;
}

.page-news .entry--media:hover > img {
  transform: translateY(-4px);
}

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

/* ---------- 侧栏 ---------- */
.page-news .ledger-rail {
  display: grid;
  gap: 16px;
  align-content: start;
}

.page-news .rail-card {
  padding: 20px;
  border: 1px solid var(--line-soft);
  border-radius: var(--news-radius);
  background: linear-gradient(180deg, rgba(14, 27, 49, 0.86), rgba(6, 13, 26, 0.72));
}

.page-news .rail-title {
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: var(--fs-100);
  letter-spacing: 0.2em;
  color: var(--dim);
}

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

.page-news .rail-item { --accent: var(--cyan); }
.page-news .rail-item--cyan { --accent: var(--cyan); }
.page-news .rail-item--gold { --accent: var(--gold); }
.page-news .rail-item--violet { --accent: var(--news-violet); }
.page-news .rail-item--ember { --accent: var(--ember); }

.page-news .rail-list a {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 12px;
  border-radius: var(--radius-sm);
  font-size: var(--fs-300);
  color: var(--silver);
  text-decoration: none;
  transition: background 200ms ease, color 200ms ease;
}

.page-news .rail-list a::before {
  content: "";
  flex: none;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 10px var(--accent);
}

.page-news .rail-list a .mono {
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: var(--fs-100);
  color: var(--dim);
}

.page-news .rail-list a:hover {
  background: rgba(53, 224, 214, 0.08);
  color: var(--white);
}

.page-news .rail-meta {
  display: grid;
  gap: 12px;
}

.page-news .rail-meta div {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  padding-bottom: 10px;
  border-bottom: 1px dashed var(--line-soft);
  font-size: var(--fs-200);
  color: var(--dim-strong);
}

.page-news .rail-meta div:last-child {
  padding-bottom: 0;
  border-bottom: none;
}

.page-news .rail-meta b {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: var(--fs-400);
  font-weight: 700;
  color: var(--cyan);
}

.page-news .rail-card--cta {
  background: linear-gradient(160deg, rgba(58, 46, 92, 0.62), rgba(6, 13, 26, 0.86));
  border-color: rgba(245, 197, 66, 0.28);
}

.page-news .rail-note {
  margin: 0 0 16px;
  font-size: var(--fs-200);
  line-height: 1.7;
  color: var(--dim-strong);
}

.page-news .rail-card--cta .btn {
  display: block;
  width: 100%;
  margin-bottom: 8px;
  text-align: center;
}

.page-news .rail-card--cta .btn:last-child {
  margin-bottom: 0;
}

/* ---------- 往期归档 ---------- */
.page-news .news-archive {
  padding: clamp(44px, 7vw, 76px) 0 clamp(56px, 8vw, 96px);
  border-top: 1px solid var(--line-soft);
  background: linear-gradient(180deg, rgba(10, 19, 34, 0.6), rgba(6, 13, 26, 0));
}

.page-news .section-note {
  margin: 12px 0 0;
  max-width: 58ch;
  font-size: var(--fs-300);
  line-height: 1.75;
  color: var(--dim-strong);
}

.page-news .archive-stack {
  margin-top: clamp(24px, 4vw, 36px);
  display: grid;
  gap: 10px;
}

.page-news .archive-panel {
  border: 1px solid var(--line-soft);
  border-radius: var(--news-radius);
  background: rgba(14, 27, 49, 0.55);
  overflow: hidden;
}

.page-news .archive-panel summary {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 18px 20px;
  cursor: pointer;
  list-style: none;
  font-family: var(--font-display);
  font-size: var(--fs-400);
  font-weight: 700;
  color: var(--white);
}

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

.page-news .archive-panel summary::before {
  content: "";
  flex: none;
  width: 8px;
  height: 8px;
  border-right: 2px solid var(--cyan);
  border-bottom: 2px solid var(--cyan);
  transform: rotate(-45deg);
  transition: transform 240ms ease;
}

.page-news .archive-panel[open] summary::before {
  transform: rotate(45deg);
}

.page-news .archive-panel summary .mono {
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: var(--fs-100);
  font-weight: 400;
  color: var(--dim);
}

.page-news .archive-list {
  display: grid;
  gap: 0;
  margin: 0;
  padding: 0 20px 18px;
  list-style: none;
}

.page-news .archive-list li {
  display: flex;
  align-items: baseline;
  gap: 16px;
  padding: 11px 0;
  border-top: 1px dashed var(--line-soft);
  font-size: var(--fs-300);
  line-height: 1.6;
  color: var(--dim-strong);
}

.page-news .archive-list li .mono {
  flex: none;
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: var(--fs-100);
  color: var(--dim);
}

.page-news .archive-foot {
  display: grid;
  gap: 18px;
  margin-top: clamp(28px, 4vw, 44px);
  padding: clamp(20px, 3vw, 30px);
  border: 1px solid rgba(53, 224, 214, 0.24);
  border-radius: var(--news-radius);
  background: linear-gradient(140deg, rgba(53, 224, 214, 0.07), rgba(6, 13, 26, 0.8));
}

.page-news .archive-foot p {
  margin: 0;
  max-width: 60ch;
  font-size: var(--fs-300);
  line-height: 1.76;
  color: var(--silver);
}

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

/* ---------- 响应式 ---------- */
@media (min-width: 560px) {
  .page-news .entry--media {
    grid-template-columns: 132px minmax(0, 1fr);
    gap: 20px;
  }
}

@media (min-width: 760px) {
  .page-news .column-index {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-news .archive-foot {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
  }

  .page-news .archive-actions {
    flex-wrap: nowrap;
  }
}

@media (min-width: 900px) {
  .page-news .entry-list .entry:nth-child(odd) {
    margin-right: 9%;
  }

  .page-news .entry-list .entry:nth-child(even) {
    margin-left: 9%;
  }

  .page-news .ledger-feature {
    display: grid;
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 1fr);
    align-items: stretch;
  }

  .page-news .feature-media img {
    height: 100%;
    aspect-ratio: auto;
  }

  .page-news .feature-body {
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding: clamp(26px, 3.4vw, 42px);
  }
}

@media (min-width: 1024px) {
  .page-news .ledger-grid {
    grid-template-columns: minmax(0, 1fr) 300px;
    gap: clamp(28px, 4vw, 54px);
    align-items: start;
  }

  .page-news .ledger-rail {
    position: sticky;
    top: calc(var(--header-h) + 14px);
  }
}

@media (min-width: 1140px) {
  .page-news .column-index {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-news .entry,
  .page-news .entry--wide .entry-wide-media img,
  .page-news .entry--media > img,
  .page-news .archive-panel summary::before {
    transition: none;
  }

  .page-news .entry:hover,
  .page-news .entry--wide:hover .entry-wide-media img,
  .page-news .entry--media:hover > img {
    transform: none;
  }
}