.page-news {
  --news-rule: rgba(60, 78, 122, .18);
  --news-rule-soft: rgba(60, 78, 122, .1);
  --news-gold-soft: rgba(200, 164, 92, .3);
  background: var(--cream);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 17px;
  line-height: 1.75;
  padding-bottom: 72px;
}

.page-news h1,
.page-news h2,
.page-news h3 {
  font-family: var(--serif);
  font-weight: 700;
  letter-spacing: -.01em;
  line-height: 1.28;
  margin: 0;
}

.page-news .breadcrumb {
  padding: 20px 0 4px;
  font-size: 13px;
  color: var(--muted);
}

.page-news .breadcrumb ol {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-news .breadcrumb li + li::before {
  content: "/";
  margin-right: 8px;
  color: var(--blue-mist);
  opacity: .55;
}

.page-news .breadcrumb a {
  color: var(--blue-mid);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color var(--dur) var(--ease);
}

.page-news .breadcrumb a:hover {
  border-bottom-color: var(--gold);
}

.page-news .section-title {
  font-size: clamp(25px, 5.6vw, 34px);
  color: var(--blue-royal);
}

.page-news .lede {
  margin: 14px 0 0;
  font-size: 16px;
  color: var(--ink);
  line-height: 1.8;
}

.page-news .eyebrow {
  font-size: 12px;
  letter-spacing: .14em;
  color: var(--brick);
  margin: 0 0 10px;
  font-weight: 600;
}

/* ---------- 封面 ---------- */
.page-news .news-cover {
  position: relative;
  margin-top: 16px;
  padding: 44px 0 52px;
  background:
    radial-gradient(130% 100% at 88% -10%, rgba(59, 82, 138, .55), transparent 62%),
    linear-gradient(158deg, #0E1B3D 0%, #16274f 52%, #0E1B3D 100%);
  color: var(--on-dark);
  overflow: hidden;
}

.page-news .news-cover::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--news-gold-soft), transparent);
}

.page-news .news-cover__inner {
  display: grid;
  gap: 36px;
  align-items: center;
}

.page-news .news-cover__eyebrow {
  color: var(--gold-light);
}

.page-news .news-cover h1 {
  font-size: clamp(38px, 9vw, 62px);
  color: var(--paper);
  letter-spacing: -.02em;
}

.page-news .news-cover__topic {
  margin: 16px 0 0;
  font-family: var(--serif);
  font-size: clamp(19px, 3.6vw, 23px);
  font-weight: 600;
  line-height: 1.5;
  color: var(--gold-light);
  padding-left: 14px;
  border-left: 2px solid var(--news-gold-soft);
}

.page-news .news-cover__lede {
  color: var(--on-dark);
  font-size: 16px;
  max-width: 40em;
}

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

.page-news .news-cover__actions .btn--ghost {
  color: var(--gold-light);
  border-color: var(--news-gold-soft);
  background: transparent;
}

.page-news .news-cover__actions .btn--ghost:hover {
  background: rgba(235, 220, 180, .1);
  border-color: var(--gold-light);
}

.page-news .news-cover__stats {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
  margin: 34px 0 0;
  padding: 20px 0 0;
  border-top: 1px solid var(--news-gold-soft);
}

.page-news .news-cover__stat dt {
  font-size: 11px;
  letter-spacing: .1em;
  color: var(--on-dark-dim);
  margin: 0;
}

.page-news .news-cover__stat dd {
  margin: 4px 0 0;
  font-family: var(--serif);
  font-size: 20px;
  color: var(--paper);
  font-weight: 600;
}

.page-news .news-cover__stat dd .num {
  font-size: 26px;
  color: var(--gold);
}

.page-news .news-cover__figure {
  margin: 0;
  padding: 10px;
  background: var(--paper);
  border: 1px solid var(--news-gold-soft);
  box-shadow: 0 20px 40px -28px rgba(0, 0, 0, .7);
}

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

.page-news .news-cover__figure figcaption {
  margin-top: 8px;
  font-size: 12px;
  letter-spacing: .04em;
  color: var(--muted);
  text-align: right;
}

/* ---------- 本期专题 ---------- */
.page-news .news-feature {
  padding: 56px 0 48px;
}

.page-news .news-feature__head {
  max-width: 44em;
}

.page-news .news-feature__list {
  list-style: none;
  margin: 36px 0 0;
  padding: 0;
  display: grid;
  gap: 0;
}

.page-news .news-feature__item {
  display: grid;
  grid-template-columns: 44px minmax(0, 1fr);
  gap: 14px;
  padding: 26px 0;
  border-top: 1px solid var(--news-rule);
}

.page-news .news-feature__item:last-child {
  border-bottom: 1px solid var(--news-rule);
}

.page-news .news-feature__no {
  font-family: var(--serif);
  font-size: 26px;
  font-weight: 700;
  color: var(--gold);
  line-height: 1.2;
  opacity: .85;
}

.page-news .news-feature__body h3 {
  font-size: clamp(19px, 3.4vw, 22px);
  color: var(--blue-royal);
  margin: 10px 0 8px;
}

.page-news .news-feature__body p {
  margin: 0;
  font-size: 15.5px;
  color: var(--muted);
  line-height: 1.8;
}

/* ---------- 标签 ---------- */
.page-news .news-tag {
  display: inline-block;
  margin: 0;
  padding: 2px 10px;
  font-size: 11.5px;
  letter-spacing: .08em;
  line-height: 1.7;
  border-radius: var(--radius-pill);
  border: 1px solid currentColor;
  white-space: nowrap;
}

.page-news .news-tag--version { color: #8a6c2c; background: rgba(200, 164, 92, .1); }
.page-news .news-tag--guide { color: var(--blue-mist); background: rgba(60, 78, 122, .07); }
.page-news .news-tag--case { color: var(--green); background: rgba(20, 53, 43, .07); }
.page-news .news-tag--observe { color: var(--brick); background: rgba(180, 71, 46, .07); }

/* ---------- 文章列表 ---------- */
.page-news .news-latest {
  padding: 48px 0 56px;
  background: var(--paper);
  border-top: 1px solid var(--news-rule-soft);
  border-bottom: 1px solid var(--news-rule-soft);
}

.page-news .news-latest__inner {
  display: grid;
  gap: 40px;
}

.page-news .news-list {
  list-style: none;
  margin: 30px 0 0;
  padding: 0;
  border-top: 1px solid var(--news-rule);
}

.page-news .news-list__item {
  position: relative;
  padding: 20px 0 20px 16px;
  border-bottom: 1px solid var(--news-rule);
  transition: box-shadow var(--dur) var(--ease), background-color var(--dur) var(--ease);
}

.page-news .news-list__item:hover {
  box-shadow: inset 3px 0 0 var(--gold);
  background: rgba(247, 241, 228, .8);
}

.page-news .news-list__meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.page-news .news-list__time {
  font-size: 12px;
  letter-spacing: .04em;
  color: var(--muted);
  white-space: nowrap;
}

.page-news .news-list__title {
  font-size: 18px;
  color: var(--blue-royal);
  margin: 10px 0 0;
}

.page-news .news-list__sum {
  margin: 8px 0 0;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--muted);
  opacity: .82;
  transition: opacity var(--dur) var(--ease), color var(--dur) var(--ease);
}

.page-news .news-list__item:hover .news-list__sum {
  opacity: 1;
  color: var(--ink);
}

/* ---------- 侧栏 ---------- */
.page-news .news-side {
  display: grid;
  gap: 18px;
  align-content: start;
}

.page-news .news-side__box {
  padding: 20px 20px 22px;
  background: var(--cream);
  border: 1px solid var(--news-rule);
  border-radius: var(--radius-md);
  box-shadow: 0 1px 0 var(--news-gold-soft);
}

.page-news .news-side__label {
  margin: 0;
  font-size: 11px;
  letter-spacing: .14em;
  color: var(--muted);
  text-transform: uppercase;
}

.page-news .news-side__version {
  margin: 8px 0 2px;
  font-family: var(--serif);
  font-size: 38px;
  font-weight: 700;
  line-height: 1.1;
  color: var(--blue-royal);
}

.page-news .news-side__meta {
  margin: 0 0 12px;
  font-size: 13px;
  color: var(--muted);
}

.page-news .news-side__toc {
  list-style: none;
  margin: 12px 0 0;
  padding: 0;
  display: grid;
  gap: 2px;
}

.page-news .news-side__toc a {
  display: block;
  padding: 6px 8px;
  font-size: 14px;
  color: var(--blue-mid);
  text-decoration: none;
  border-left: 2px solid transparent;
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease), background-color var(--dur) var(--ease);
}

.page-news .news-side__toc a:hover,
.page-news .news-side__toc a[aria-current="true"] {
  color: var(--blue-royal);
  border-left-color: var(--gold);
  background: rgba(200, 164, 92, .1);
}

.page-news .news-side__note {
  display: flex;
  gap: 10px;
  padding: 16px 18px;
  background: var(--green);
  color: rgba(247, 241, 228, .88);
  border-radius: var(--radius-md);
  font-size: 13.5px;
  line-height: 1.7;
}

.page-news .news-side__note .footer-ref__dot {
  flex: none;
  margin-top: 7px;
  background: var(--gold);
}

/* ---------- 版本对照 ---------- */
.page-news .news-versions {
  padding: 56px 0 52px;
}

.page-news .news-versions__head {
  max-width: 46em;
}

.page-news .news-versions__body {
  display: grid;
  gap: 32px;
  margin-top: 32px;
}

.page-news .news-versions__table-wrap {
  overflow-x: auto;
  border: 1px solid var(--news-rule);
  border-radius: var(--radius-md);
  background: var(--paper);
}

.page-news .news-table {
  width: 100%;
  min-width: 580px;
  border-collapse: collapse;
  font-size: 14.5px;
}

.page-news .news-table caption {
  caption-side: top;
  padding: 14px 16px;
  text-align: left;
  font-size: 12.5px;
  letter-spacing: .06em;
  color: var(--muted);
  border-bottom: 1px solid var(--news-rule);
}

.page-news .news-table thead th {
  background: var(--blue-royal);
  color: var(--cream);
  text-align: left;
  padding: 12px 14px;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: .1em;
  white-space: nowrap;
}

.page-news .news-table tbody th {
  text-align: left;
  font-weight: 600;
  color: var(--blue-royal);
  padding: 12px 14px;
  border-bottom: 1px solid var(--news-rule-soft);
  font-size: 14px;
}

.page-news .news-table td {
  padding: 12px 14px;
  border-bottom: 1px solid var(--news-rule-soft);
  color: var(--ink);
  vertical-align: top;
}

.page-news .news-table tbody td:nth-child(2),
.page-news .news-table tbody td:nth-child(3) {
  font-variant-numeric: tabular-nums;
  white-space: nowrap;
}

.page-news .news-table tbody tr:nth-child(even) {
  background: rgba(247, 241, 228, .75);
}

.page-news .news-table tbody tr.is-diff {
  background: rgba(180, 71, 46, .07);
  box-shadow: inset 3px 0 0 var(--brick);
}

.page-news .news-table tbody tr.is-diff td:nth-child(3) {
  color: var(--brick);
  font-weight: 600;
}

.page-news .news-table__note {
  margin: 0;
  padding: 12px 16px 14px;
  font-size: 12.5px;
  color: var(--muted);
  border-top: 1px solid var(--news-rule-soft);
}

.page-news .news-versions__aside {
  display: grid;
  gap: 16px;
  align-content: start;
}

.page-news .news-versions__figure {
  margin: 0;
}

.page-news .news-versions__figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 10 / 7;
  object-fit: cover;
  border: 1px solid var(--news-rule);
  border-radius: var(--radius-md);
}

.page-news .news-versions__figure figcaption {
  margin-top: 8px;
  font-size: 12.5px;
  color: var(--muted);
}

.page-news .news-versions__text {
  margin: 0;
  font-size: 15px;
  color: var(--ink);
  line-height: 1.8;
}

.page-news .news-versions__aside .btn {
  justify-self: start;
}

/* ---------- 分类 ---------- */
.page-news .news-cats {
  padding: 52px 0;
  background: var(--paper);
  border-top: 1px solid var(--news-rule-soft);
  border-bottom: 1px solid var(--news-rule-soft);
}

.page-news .news-cats__head {
  max-width: 46em;
}

.page-news .news-cats__body {
  display: grid;
  gap: 32px;
  margin-top: 34px;
}

.page-news .news-cats__figure {
  margin: 0;
}

.page-news .news-cats__figure img {
  display: block;
  width: 100%;
  max-width: 320px;
  height: auto;
  aspect-ratio: 1 / 1;
  object-fit: cover;
  border: 1px solid var(--news-rule);
  border-radius: var(--radius-md);
  background: var(--cream);
}

.page-news .news-cats__list {
  display: grid;
  gap: 0;
}

.page-news .news-cat {
  padding: 22px 0 24px 16px;
  border-top: 1px solid var(--news-rule);
  border-left: 2px solid transparent;
  transition: border-color var(--dur) var(--ease);
}

.page-news .news-cat:last-child {
  border-bottom: 1px solid var(--news-rule);
}

.page-news .news-cat:hover {
  border-left-color: var(--gold);
}

.page-news .news-cat h3 {
  font-size: 19px;
  color: var(--blue-royal);
  margin: 10px 0 8px;
}

.page-news .news-cat p {
  margin: 0;
  font-size: 15px;
  color: var(--muted);
  line-height: 1.8;
}

/* ---------- 更新节奏 ---------- */
.page-news .news-cadence {
  padding: 56px 0;
}

.page-news .news-cadence__inner {
  display: grid;
  gap: 32px;
}

.page-news .news-cadence__list {
  list-style: none;
  margin: 26px 0 0;
  padding: 0;
  display: grid;
  gap: 14px;
}

.page-news .news-cadence__list li {
  position: relative;
  padding-left: 18px;
  font-size: 15.5px;
  line-height: 1.8;
  color: var(--ink);
}

.page-news .news-cadence__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 12px;
  width: 7px;
  height: 7px;
  border: 1px solid var(--gold);
  transform: rotate(45deg);
}

.page-news .news-cadence__k {
  display: inline-block;
  margin-right: 8px;
  padding: 1px 9px;
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--blue-royal);
  background: rgba(200, 164, 92, .18);
  border-radius: var(--radius-sm);
}

.page-news .news-cadence__follow {
  margin: 24px 0 0;
  padding: 18px 20px;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--ink);
  background: var(--paper);
  border-left: 2px solid var(--green);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
}

.page-news .news-cadence__figure {
  margin: 0;
}

.page-news .news-cadence__figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
  border: 1px solid var(--news-rule);
  border-radius: var(--radius-md);
  box-shadow: 0 18px 36px -30px rgba(14, 27, 61, .8);
}

.page-news .news-cadence__figure figcaption {
  margin-top: 8px;
  font-size: 12.5px;
  color: var(--muted);
}

/* ---------- 阅读路径 ---------- */
.page-news .news-paths {
  padding: 52px 0 0;
}

.page-news .news-paths__head {
  max-width: 40em;
}

.page-news .news-paths__grid {
  margin-top: 30px;
}

.page-news .news-path {
  padding: 24px 22px 26px;
  background: var(--paper);
  border: 1px solid var(--news-rule);
  border-radius: var(--radius-md);
  box-shadow: 0 1px 0 var(--news-gold-soft);
}

.page-news .news-path__who {
  margin: 0 0 14px;
  font-family: var(--serif);
  font-size: 18px;
  font-weight: 700;
  color: var(--blue-royal);
  padding-bottom: 12px;
  border-bottom: 1px solid var(--news-rule);
}

.page-news .news-path ol {
  margin: 0;
  padding: 0;
  list-style: none;
  counter-reset: pathstep;
  display: grid;
  gap: 12px;
}

.page-news .news-path li {
  counter-increment: pathstep;
  position: relative;
  padding-left: 32px;
  font-size: 15px;
  line-height: 1.75;
  color: var(--ink);
}

.page-news .news-path li::before {
  content: counter(pathstep, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 2px;
  font-family: var(--serif);
  font-size: 14px;
  font-weight: 700;
  color: var(--gold);
  font-variant-numeric: tabular-nums;
}

/* ---------- 结尾行动条 ---------- */
.page-news .news-cta {
  margin-top: 56px;
  padding: 28px 24px;
  display: grid;
  gap: 18px;
  align-items: center;
  background:
    linear-gradient(120deg, rgba(27, 44, 85, .06), transparent 60%),
    var(--paper);
  border: 1px solid var(--news-rule);
  border-top: 2px solid var(--gold);
  border-radius: var(--radius-md);
}

.page-news .news-cta__text {
  margin: 0;
  font-family: var(--serif);
  font-size: 18px;
  line-height: 1.6;
  color: var(--blue-royal);
}

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

/* ---------- 响应式 ---------- */
@media (min-width: 720px) {
  .page-news {
    padding-bottom: 88px;
  }

  .page-news .news-feature__item {
    grid-template-columns: 64px minmax(0, 1fr);
    gap: 20px;
    padding: 30px 0;
  }

  .page-news .news-feature__no {
    font-size: 32px;
  }

  .page-news .news-cats__body {
    grid-template-columns: 260px minmax(0, 1fr);
    gap: 40px;
    align-items: start;
  }

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

  .page-news .news-cadence__inner {
    grid-template-columns: minmax(0, 1fr) minmax(0, .85fr);
    gap: 44px;
    align-items: center;
  }

  .page-news .news-cta {
    grid-template-columns: minmax(0, 1fr) auto;
    padding: 30px 32px;
  }
}

@media (min-width: 960px) {
  .page-news .news-cover {
    padding: 60px 0 68px;
  }

  .page-news .news-cover__inner {
    grid-template-columns: 1.06fr .94fr;
    gap: 56px;
  }

  .page-news .news-cover__stats {
    gap: 24px;
  }

  .page-news .news-feature {
    padding: 80px 0 64px;
  }

  .page-news .news-feature__list {
    margin-top: 42px;
  }

  .page-news .news-latest {
    padding: 72px 0 80px;
  }

  .page-news .news-latest__inner {
    grid-template-columns: minmax(0, 1fr) 288px;
    gap: 56px;
    align-items: start;
  }

  .page-news .news-side {
    position: sticky;
    top: calc(var(--header-h) + 24px);
  }

  .page-news .news-versions {
    padding: 80px 0 72px;
  }

  .page-news .news-versions__body {
    grid-template-columns: minmax(0, 1.65fr) minmax(0, 1fr);
    gap: 44px;
    align-items: start;
  }

  .page-news .news-cats {
    padding: 72px 0;
  }

  .page-news .news-cadence {
    padding: 80px 0;
  }

  .page-news .news-paths {
    padding: 72px 0 0;
  }

  .page-news .news-cta {
    margin-top: 72px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-news .news-list__item,
  .page-news .news-list__sum,
  .page-news .news-cat,
  .page-news .news-side__toc a,
  .page-news .breadcrumb a {
    transition: none;
  }
}