.page-news {
  --pn-scope: 1;
  --pn-hair: rgba(42, 70, 88, .22);
  --pn-hair-ink: rgba(42, 70, 88, .38);
  --pn-tint: rgba(216, 163, 60, .08);
  --pn-soft: #3C4A55;
  background: var(--paper);
  color: var(--text-dark);
  overflow-x: hidden;
}

/* ---------- 面包屑 ---------- */
.page-news .breadcrumb {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 26px var(--gutter) 0;
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: var(--fs-small);
  color: var(--muted);
}
.page-news .breadcrumb a {
  color: var(--muted);
  text-decoration: none;
  transition: color var(--ease);
}
.page-news .breadcrumb a:hover,
.page-news .breadcrumb a:focus-visible {
  color: var(--gold);
}
.page-news .breadcrumb .crumb-sep {
  color: var(--line);
}
.page-news .breadcrumb span[aria-current] {
  color: var(--text-dark);
}

/* ---------- 首屏 ---------- */
.page-news .upd-hero {
  background: var(--ink);
  color: var(--paper);
  margin-top: 26px;
  position: relative;
  overflow: hidden;
}
.page-news .upd-hero::after {
  content: "";
  position: absolute;
  inset: auto 0 0 0;
  height: 2px;
  background: linear-gradient(90deg, var(--gold) 0%, var(--gold) 18%, transparent 18%);
  opacity: .85;
}
.page-news .upd-hero-inner {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: clamp(44px, 7vw, 96px) var(--gutter) clamp(40px, 6vw, 84px);
}
.page-news .upd-hero .eyebrow {
  color: var(--gold);
}
.page-news .upd-h1 {
  font-family: var(--font-narrow);
  font-weight: 900;
  font-size: clamp(36px, 7.4vw, 82px);
  line-height: 1.02;
  letter-spacing: -0.02em;
  margin: 18px 0 0;
  max-width: 16ch;
  color: var(--white);
}
.page-news .upd-lede {
  font-family: var(--font-serif);
  font-size: clamp(17px, 1.9vw, 21px);
  line-height: 1.85;
  color: var(--cream);
  max-width: 54ch;
  margin: 30px 0 0;
}
.page-news .upd-hero-stats {
  display: flex;
  flex-wrap: wrap;
  gap: clamp(28px, 5vw, 72px);
  margin: clamp(36px, 5vw, 60px) 0 0;
  padding-top: 26px;
  border-top: 1px solid var(--line);
}
.page-news .upd-stat dt {
  font-size: var(--fs-micro);
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 8px;
}
.page-news .upd-stat dd {
  margin: 0;
  display: flex;
  align-items: baseline;
  gap: 6px;
}
.page-news .upd-stat-num {
  font-size: clamp(30px, 4vw, 48px);
  line-height: 1;
  color: var(--white);
  font-weight: 700;
}
.page-news .upd-stat-unit {
  font-size: var(--fs-small);
  color: var(--muted);
}

/* ---------- 本批次重点 ---------- */
.page-news .upd-hl {
  background: var(--ink-2);
  color: var(--paper);
}
.page-news .upd-hl-inner {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: clamp(40px, 6vw, 80px) var(--gutter);
}
.page-news .upd-hl .eyebrow {
  color: var(--gold);
}
.page-news .pin-card {
  margin-top: 24px;
  padding: clamp(24px, 3.4vw, 44px) clamp(20px, 3vw, 40px);
  background: rgba(11, 26, 38, .62);
  border-left: 4px solid var(--gold);
  border-radius: 2px;
}
.page-news .pin-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 14px;
}
.page-news .pin-time {
  font-size: var(--fs-small);
  color: var(--muted);
  letter-spacing: .06em;
}
.page-news .pin-title {
  font-family: var(--font-narrow);
  font-weight: 800;
  font-size: clamp(24px, 3.1vw, 40px);
  line-height: 1.22;
  letter-spacing: -0.01em;
  color: var(--white);
  margin: 20px 0 0;
  max-width: 24ch;
}
.page-news .pin-sum {
  margin: 18px 0 0;
  max-width: 62ch;
  font-size: var(--fs-body);
  line-height: 1.85;
  color: var(--cream);
}
.page-news .pin-facts {
  list-style: none;
  margin: 28px 0 0;
  padding: 0;
  border-top: 1px solid var(--line);
}
.page-news .pin-fact {
  display: grid;
  grid-template-columns: 1fr;
  gap: 4px;
  padding: 14px 0;
  border-bottom: 1px solid var(--line);
}
.page-news .pin-fact-k {
  font-size: var(--fs-micro);
  letter-spacing: .14em;
  color: var(--gold);
}
.page-news .pin-fact-v {
  font-size: var(--fs-small);
  line-height: 1.7;
  color: var(--cream);
}
.page-news .pin-card .btn {
  margin-top: 26px;
}

/* ---------- 更新条目列表 ---------- */
.page-news .upd-list-section {
  background: var(--paper);
}
.page-news .upd-list-inner {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: clamp(44px, 6.4vw, 92px) var(--gutter) clamp(48px, 7vw, 104px);
}
.page-news .upd-h2 {
  font-family: var(--font-narrow);
  font-weight: 800;
  font-size: clamp(25px, 3.6vw, 46px);
  line-height: 1.14;
  letter-spacing: -0.015em;
  margin: 16px 0 0;
  max-width: 22ch;
}
.page-news .upd-list-note {
  margin: 18px 0 0;
  max-width: 56ch;
  font-size: var(--fs-body);
  line-height: 1.85;
  color: var(--pn-soft);
}
.page-news .upd-band {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
  margin: clamp(28px, 4vw, 48px) 0 0;
  border-radius: 2px;
}

.page-news .upd-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: 28px;
  margin-top: clamp(28px, 4vw, 52px);
}

/* 侧栏类型索引 */
.page-news .upd-side {
  border-top: 2px solid var(--text-dark);
  padding-top: 16px;
}
.page-news .upd-side-title {
  font-size: var(--fs-micro);
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--muted);
  margin: 0 0 14px;
}
.page-news .upd-side-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 8px 10px;
}
.page-news .upd-side-item {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 12px;
  background: var(--cream);
  border-radius: 2px;
  font-size: var(--fs-small);
  color: var(--text-dark);
}
.page-news .upd-side-item.is-active {
  background: var(--ink);
  color: var(--paper);
}
.page-news .upd-side-num {
  font-size: var(--fs-micro);
  color: var(--muted);
}
.page-news .upd-side-item.is-active .upd-side-num {
  color: var(--gold);
}
.page-news .upd-swatch {
  width: 10px;
  height: 10px;
  border-radius: 2px;
  flex: 0 0 auto;
}
.page-news .upd-swatch--gold { background: var(--gold); }
.page-news .upd-swatch--jade { background: var(--jade); }
.page-news .upd-swatch--line { background: var(--line); }
.page-news .upd-swatch--cream { background: #B9AE96; }

/* 条目 */
.page-news .upd-list {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--pn-hair-ink);
}
.page-news .upd-item {
  position: relative;
  display: grid;
  grid-template-columns: 1fr;
  gap: 6px;
  padding: 20px 14px 20px 18px;
  border-bottom: 1px solid var(--pn-hair);
  transition: background-color var(--ease);
}
.page-news .upd-item::before {
  content: "";
  position: absolute;
  left: 0;
  top: 16px;
  bottom: 16px;
  width: 0;
  background: var(--gold);
  transition: width var(--ease);
}
.page-news .upd-item:hover,
.page-news .upd-item:focus-within {
  background: var(--pn-tint);
}
.page-news .upd-item:hover::before,
.page-news .upd-item:focus-within::before {
  width: 2px;
}
.page-news .upd-time {
  font-size: var(--fs-micro);
  letter-spacing: .1em;
  color: var(--muted);
  margin: 0;
}
.page-news .upd-body {
  min-width: 0;
}
.page-news .upd-top {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
}
.page-news .upd-tag {
  font-size: var(--fs-micro);
  letter-spacing: .08em;
  padding: 3px 9px;
  border-radius: 2px;
  white-space: nowrap;
}
.page-news .upd-tag--gold {
  background: rgba(216, 163, 60, .18);
  color: #8A6415;
}
.page-news .upd-tag--jade {
  background: rgba(78, 122, 115, .16);
  color: #35564F;
}
.page-news .upd-tag--line {
  background: rgba(42, 70, 88, .14);
  color: #2A4658;
}
.page-news .upd-tag--cream {
  background: rgba(138, 133, 120, .18);
  color: #5C574B;
}
.page-news .upd-item-title {
  font-family: var(--font-narrow);
  font-weight: 700;
  font-size: clamp(16px, 1.6vw, 19px);
  line-height: 1.45;
  letter-spacing: -0.005em;
  margin: 0;
  color: var(--text-dark);
}
.page-news .upd-sum {
  margin: 8px 0 0;
  font-size: var(--fs-small);
  line-height: 1.75;
  color: var(--pn-soft);
  max-width: 64ch;
}
.page-news .upd-more {
  margin: 0;
  max-height: 0;
  overflow: hidden;
  opacity: 0;
  font-size: var(--fs-small);
  line-height: 1.75;
  color: var(--pn-soft);
  border-left: 2px solid var(--pn-hair-ink);
  padding-left: 0;
  transition: max-height var(--ease), opacity var(--ease), margin-top var(--ease), padding-left var(--ease);
}
.page-news .upd-item:hover .upd-more,
.page-news .upd-item:focus-within .upd-more {
  max-height: 140px;
  opacity: 1;
  margin-top: 10px;
  padding-left: 12px;
}

/* ---------- 分类索引 ---------- */
.page-news .upd-cats {
  background: var(--cream);
}
.page-news .upd-cats-inner {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: clamp(44px, 6.4vw, 92px) var(--gutter);
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(28px, 4vw, 56px);
  align-items: start;
}
.page-news .upd-cats-lede {
  margin: 18px 0 0;
  font-size: var(--fs-body);
  line-height: 1.85;
  color: var(--pn-soft);
  max-width: 54ch;
}
.page-news .upd-cat-list {
  list-style: none;
  margin: 28px 0 0;
  padding: 0;
  border-top: 1px solid rgba(42, 70, 88, .28);
}
.page-news .upd-cat {
  display: grid;
  grid-template-columns: 14px 1fr auto;
  align-items: center;
  gap: 14px;
  padding: 15px 2px;
  border-bottom: 1px solid rgba(42, 70, 88, .28);
}
.page-news .upd-cat-mark {
  width: 12px;
  height: 12px;
  border-radius: 2px;
}
.page-news .upd-cat-mark--gold { background: var(--gold); }
.page-news .upd-cat-mark--jade { background: var(--jade); }
.page-news .upd-cat-mark--line { background: var(--line); }
.page-news .upd-cat-mark--cream { background: #B9AE96; }
.page-news .upd-cat-name {
  font-size: var(--fs-body);
  color: var(--text-dark);
}
.page-news .upd-cat-count {
  font-size: var(--fs-body);
  color: var(--text-dark);
  font-weight: 700;
}
.page-news .upd-cats-fig {
  margin: 0;
}
.page-news .upd-cats-img {
  display: block;
  width: 100%;
  max-width: 360px;
  height: auto;
  border-radius: 2px;
  margin: 0 auto;
}
.page-news .upd-cats-fig .figure-cap {
  margin-top: 14px;
  text-align: center;
  font-size: var(--fs-micro);
  letter-spacing: .06em;
  color: var(--muted);
}

/* ---------- 版本演进 ---------- */
.page-news .upd-tl {
  background: var(--ink);
  color: var(--paper);
}
.page-news .upd-tl-inner {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: clamp(44px, 6.4vw, 92px) var(--gutter) clamp(44px, 6vw, 88px);
}
.page-news .upd-tl .eyebrow {
  color: var(--gold);
}
.page-news .upd-tl .upd-h2 {
  color: var(--white);
}
.page-news .upd-tl-lede {
  margin: 20px 0 0;
  font-size: var(--fs-body);
  line-height: 1.85;
  color: var(--cream);
  max-width: 58ch;
}
.page-news .upd-tl-lede a {
  color: var(--gold);
  text-decoration: none;
  border-bottom: 1px solid rgba(216, 163, 60, .45);
}
.page-news .upd-tl-lede a:hover,
.page-news .upd-tl-lede a:focus-visible {
  border-bottom-color: var(--gold);
}
.page-news .upd-tl-img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
  margin: clamp(28px, 4vw, 44px) 0 0;
  border-radius: 2px;
}
.page-news .upd-versions {
  list-style: none;
  margin: clamp(24px, 3.4vw, 40px) 0 0;
  padding: 0 0 18px;
  display: flex;
  gap: 0;
  overflow-x: auto;
  scroll-snap-type: x proximity;
  -webkit-overflow-scrolling: touch;
}
.page-news .upd-ver {
  flex: 0 0 210px;
  scroll-snap-align: start;
  padding: 22px 18px 0 0;
  border-top: 2px solid var(--line);
  position: relative;
}
.page-news .upd-ver::before {
  content: "";
  position: absolute;
  top: -7px;
  left: 0;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--line);
}
.page-news .upd-ver.is-current {
  border-top-color: var(--gold);
}
.page-news .upd-ver.is-current::before {
  width: 14px;
  height: 14px;
  top: -9px;
  background: var(--gold);
}
.page-news .upd-ver-no {
  display: block;
  font-size: var(--fs-micro);
  letter-spacing: .14em;
  color: var(--muted);
}
.page-news .upd-ver.is-current .upd-ver-no {
  color: var(--gold);
}
.page-news .upd-ver-name {
  font-family: var(--font-narrow);
  font-weight: 700;
  font-size: var(--fs-h4);
  line-height: 1.35;
  margin: 10px 0 0;
  color: var(--white);
}
.page-news .upd-ver-desc {
  margin: 8px 0 0;
  font-size: var(--fs-small);
  line-height: 1.72;
  color: var(--cream);
  max-width: 30ch;
}

/* ---------- 跟进方式 ---------- */
.page-news .upd-follow {
  background: var(--ink-2);
  color: var(--paper);
}
.page-news .upd-follow-inner {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: clamp(44px, 6.4vw, 92px) var(--gutter);
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(28px, 4vw, 56px);
  align-items: center;
}
.page-news .upd-follow .eyebrow {
  color: var(--gold);
}
.page-news .upd-follow .upd-h2 {
  color: var(--white);
}
.page-news .upd-follow-lede {
  margin: 20px 0 0;
  font-size: var(--fs-body);
  line-height: 1.85;
  color: var(--cream);
  max-width: 52ch;
}
.page-news .upd-follow-list {
  list-style: none;
  margin: 28px 0 0;
  padding: 0;
  border-top: 1px solid var(--line);
}
.page-news .upd-follow-list li {
  display: grid;
  grid-template-columns: 1fr;
  gap: 4px;
  padding: 14px 0;
  border-bottom: 1px solid var(--line);
}
.page-news .upd-follow-k {
  font-size: var(--fs-micro);
  letter-spacing: .14em;
  color: var(--gold);
}
.page-news .upd-follow-v {
  font-size: var(--fs-small);
  line-height: 1.75;
  color: var(--cream);
}
.page-news .upd-follow-v a {
  color: var(--gold);
  text-decoration: none;
  border-bottom: 1px solid rgba(216, 163, 60, .45);
}
.page-news .upd-follow-v a:hover,
.page-news .upd-follow-v a:focus-visible {
  border-bottom-color: var(--gold);
}
.page-news .upd-follow-foot {
  margin: 22px 0 0;
  font-size: var(--fs-small);
  line-height: 1.8;
  color: var(--muted);
  max-width: 52ch;
}
.page-news .upd-follow-foot a {
  color: var(--cream);
  text-decoration: none;
  border-bottom: 1px solid var(--line);
}
.page-news .upd-follow-foot a:hover,
.page-news .upd-follow-foot a:focus-visible {
  color: var(--gold);
  border-bottom-color: var(--gold);
}
.page-news .upd-follow .btn {
  margin-top: 28px;
}
.page-news .upd-follow-fig {
  margin: 0;
}
.page-news .upd-follow-img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
  border-radius: 2px;
}

/* ---------- 焦点可见性 ---------- */
.page-news a:focus-visible,
.page-news .upd-item:focus-within {
  outline: 1px solid var(--gold);
  outline-offset: 2px;
}

/* ---------- 断点：平板 ---------- */
@media (min-width: 640px) {
  .page-news .upd-item {
    grid-template-columns: 104px minmax(0, 1fr);
    gap: 22px;
  }
  .page-news .pin-fact,
  .page-news .upd-follow-list li {
    grid-template-columns: 130px minmax(0, 1fr);
    gap: 16px;
    align-items: baseline;
  }
  .page-news .upd-cat-list {
    max-width: 460px;
  }
  .page-news .upd-cats-img {
    max-width: 320px;
  }
}

/* ---------- 断点：桌面 ---------- */
@media (min-width: 900px) {
  .page-news .upd-layout {
    grid-template-columns: 172px minmax(0, 1fr);
    gap: clamp(28px, 3.4vw, 56px);
  }
  .page-news .upd-side {
    position: sticky;
    top: 24px;
    align-self: start;
  }
  .page-news .upd-side-list {
    flex-direction: column;
    flex-wrap: nowrap;
    gap: 0;
  }
  .page-news .upd-side-item {
    width: 100%;
    justify-content: flex-start;
    background: transparent;
    padding: 11px 10px;
    border-left: 2px solid transparent;
    border-radius: 0;
    transition: background-color var(--ease), border-color var(--ease);
  }
  .page-news .upd-side-item .upd-side-num {
    margin-left: auto;
  }
  .page-news .upd-side-item:hover {
    background: rgba(216, 163, 60, .1);
    border-left-color: var(--line);
  }
  .page-news .upd-side-item.is-active {
    background: var(--ink);
    border-left-color: var(--gold);
  }

  .page-news .upd-cats-inner,
  .page-news .upd-follow-inner {
    grid-template-columns: minmax(0, 1.35fr) minmax(0, .85fr);
    gap: clamp(36px, 5vw, 80px);
  }
  .page-news .upd-cats-img {
    max-width: 100%;
  }
  .page-news .upd-follow-fig {
    order: 2;
  }
  .page-news .upd-ver {
    flex: 0 0 200px;
  }
}

/* ---------- 断点：宽屏 ---------- */
@media (min-width: 1200px) {
  .page-news .upd-h1 {
    max-width: 15ch;
  }
  .page-news .upd-layout {
    grid-template-columns: 196px minmax(0, 1fr);
  }
  .page-news .upd-follow-inner {
    align-items: start;
  }
}

/* ---------- 窄屏兜底 ---------- */
@media (max-width: 767px) {
  .page-news .upd-more {
    max-height: none;
    opacity: 1;
    margin-top: 10px;
    padding-left: 12px;
  }
  .page-news .upd-versions {
    margin-left: calc(var(--gutter) * -1);
    margin-right: calc(var(--gutter) * -1);
    padding-left: var(--gutter);
    padding-right: var(--gutter);
  }
  .page-news .upd-ver {
    flex: 0 0 240px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-news .upd-item,
  .page-news .upd-item::before,
  .page-news .upd-more,
  .page-news .upd-side-item,
  .page-news .breadcrumb a {
    transition: none;
  }
}