.page-news {
  --pn-line: rgba(44, 59, 88, .22);
  --pn-line-dark: rgba(140, 149, 168, .18);
  --pn-row: rgba(17, 27, 46, .04);
  --pn-row-hover: rgba(17, 27, 46, .075);
}

/* ============ 画布色阶节奏 ============ */
.page-news .sec-hero {
  background: var(--ink-900);
  color: var(--silver-200);
}
.page-news .sec-updates {
  background: var(--silver-050);
  color: var(--ink-800);
}
.page-news .sec-records {
  background: var(--paper);
  color: var(--ink-800);
}
.page-news .sec-adapt {
  background: var(--ink-800);
  color: var(--silver-200);
}
.page-news .sec-observe {
  background: var(--silver-050);
  color: var(--ink-800);
}
.page-news .sec-revisit {
  background: var(--ink-900);
  color: var(--silver-200);
}

/* ============ 首屏 ============ */
.page-news .sec-hero {
  position: relative;
  overflow: hidden;
}
.page-news .sec-hero::before {
  content: "";
  position: absolute;
  top: -34%;
  right: -14%;
  width: min(720px, 64%);
  height: 168%;
  background: linear-gradient(158deg, var(--ink-800) 0%, var(--ink-700) 100%);
  border-radius: 64px;
  transform: rotate(12deg);
  pointer-events: none;
}
.page-news .sec-hero::after {
  content: "";
  position: absolute;
  left: -8%;
  bottom: -58%;
  width: min(520px, 54%);
  height: 96%;
  background: var(--mist);
  opacity: .5;
  border-radius: 50%;
  pointer-events: none;
}
.page-news .hero-gridlines {
  position: absolute;
  inset: 0;
  background-image:
    repeating-linear-gradient(to right, var(--ink-500) 0 1px, transparent 1px 88px),
    repeating-linear-gradient(to bottom, var(--ink-500) 0 1px, transparent 1px 88px);
  opacity: .26;
  pointer-events: none;
}
.page-news .hero-inner {
  position: relative;
  z-index: 2;
}
.page-news .sec-hero .breadcrumb-list {
  color: var(--silver-500);
}
.page-news .sec-hero .breadcrumb-list a {
  color: var(--silver-200);
  text-decoration: none;
}
.page-news .sec-hero .breadcrumb-list a:hover {
  color: var(--cyan);
}
.page-news .hero-title {
  max-width: 15ch;
  margin: clamp(16px, 2.4vw, 28px) 0 0;
  font-weight: 300;
  color: var(--silver-050);
  letter-spacing: -.01em;
}
.page-news .hero-lede {
  max-width: 58ch;
  margin-top: clamp(18px, 2.4vw, 26px);
  color: var(--silver-500);
}
.page-news .eyebrow {
  margin-top: clamp(28px, 5vw, 56px);
  color: var(--cyan);
  font-family: var(--font-mono);
  font-size: var(--fs-index);
  letter-spacing: .12em;
  text-transform: uppercase;
}

/* 首屏数据条 */
.page-news .stat-strip {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  margin: clamp(32px, 5vw, 56px) 0 0;
  background: var(--pn-line-dark);
  border-top: 1px solid var(--pn-line-dark);
  border-bottom: 1px solid var(--pn-line-dark);
}
.page-news .stat {
  padding: 18px 20px 20px 0;
  background: transparent;
}
.page-news .stat-label {
  margin: 0;
  color: var(--silver-500);
  font-size: .82rem;
  letter-spacing: .06em;
}
.page-news .stat-num {
  margin: 6px 0 0;
  color: var(--cyan);
  font-size: 1.35rem;
  letter-spacing: .01em;
}

.page-news .hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin: clamp(28px, 4vw, 44px) 0 0;
}
.page-news .sec-hero .btn-ghost {
  color: var(--silver-200);
  border-color: var(--ink-500);
}
.page-news .sec-hero .btn-ghost:hover {
  color: var(--cyan);
  border-color: var(--cyan);
}

/* ============ 通用文字色校正（深色区块） ============ */
.page-news .sec-adapt .section-title,
.page-news .sec-adapt .lede,
.page-news .sec-revisit .section-title,
.page-news .sec-revisit .lede {
  color: var(--silver-200);
}
.page-news .sec-adapt .index-label,
.page-news .sec-revisit .index-label {
  color: var(--gold);
}

/* ============ 更新条目区 ============ */
.page-news .sec-updates .section-title {
  color: var(--ink-900);
}
.page-news .sec-updates .lede,
.page-news .sec-records .lede,
.page-news .sec-observe .lede {
  color: var(--ink-500);
}
.page-news .sec-updates .index-label,
.page-news .sec-records .index-label,
.page-news .sec-observe .index-label {
  color: var(--gold);
}

.page-news .band-figure {
  margin: clamp(28px, 4vw, 44px) 0 clamp(26px, 3.6vw, 40px);
  border-radius: var(--radius-panel);
  overflow: hidden;
}
.page-news .band-figure img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
}

/* 胶囊筛选 */
.page-news .pill-group {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 0 0 clamp(24px, 3.2vw, 36px);
}
.page-news .pill {
  appearance: none;
  border: 1px solid var(--pn-line);
  background: transparent;
  color: var(--ink-700);
  border-radius: var(--radius-pill);
  padding: 8px 18px;
  font-family: var(--font-sans);
  font-size: .875rem;
  line-height: 1.5;
  cursor: pointer;
  transition: background-color .18s ease, color .18s ease, border-color .18s ease;
}
.page-news .pill:hover {
  border-color: var(--cyan);
  color: var(--ink-900);
  background: var(--cyan-08);
}
.page-news .pill[aria-pressed="true"] {
  background: var(--ink-800);
  border-color: var(--ink-800);
  color: var(--silver-050);
}
.page-news .pill:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 2px;
}

/* 列表 + 版本索引 */
.page-news .updates-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(32px, 4vw, 56px);
}

.page-news .entry-list {
  display: flex;
  flex-direction: column;
  border-top: 1px solid var(--pn-line);
}
.page-news .entry {
  padding: clamp(18px, 2.4vw, 26px) 18px clamp(18px, 2.4vw, 26px) 20px;
  border-bottom: 1px solid var(--pn-line);
  border-left: 2px solid transparent;
  background: transparent;
  transition: background-color .18s ease, border-left-color .18s ease;
}
.page-news .entry:hover {
  background: var(--pn-row-hover);
  border-left-color: var(--cyan);
}
.page-news .entry:focus-within {
  background: var(--pn-row-hover);
  border-left-color: var(--cyan);
}
.page-news .entry-top {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
}
.page-news .entry-cat {
  display: inline-block;
  padding: 3px 12px;
  border-radius: var(--radius-pill);
  border: 1px solid currentColor;
  font-size: .76rem;
  letter-spacing: .04em;
  line-height: 1.6;
}
.page-news .cat-version {
  color: var(--ink-700);
}
.page-news .cat-adapt {
  color: var(--mist);
}
.page-news .cat-observe {
  color: var(--silver-500);
}
.page-news .cat-topic {
  color: var(--gold);
}
.page-news .entry-time {
  color: var(--silver-500);
  font-size: .78rem;
  letter-spacing: .04em;
}
.page-news .entry-title {
  margin: 12px 0 0;
  font-size: 1.06rem;
  font-weight: 500;
  line-height: 1.5;
  color: var(--ink-900);
}
.page-news .entry-sum {
  margin: 8px 0 0;
  font-size: .94rem;
  line-height: 1.75;
  color: var(--ink-500);
}

/* 版本索引侧栏 */
.page-news .version-rail {
  align-self: start;
}
.page-news .rail-heading {
  margin: 0 0 16px;
  color: var(--ink-700);
}
.page-news .vindex {
  list-style: none;
  margin: 0;
  padding: 0 0 0 18px;
  border-left: 1px solid var(--pn-line);
}
.page-news .vindex-item {
  position: relative;
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 9px 0 9px 8px;
  transition: background-color .18s ease;
}
.page-news .vindex-item::before {
  content: "";
  position: absolute;
  left: -23px;
  top: 50%;
  width: 9px;
  height: 9px;
  margin-top: -4.5px;
  border-radius: 50%;
  background: var(--silver-050);
  border: 1px solid var(--pn-line);
}
.page-news .vindex-item:hover {
  background: var(--cyan-08);
}
.page-news .vindex-item:hover::before {
  background: var(--cyan);
  border-color: var(--cyan);
}
.page-news .vlabel {
  font-size: .9rem;
  color: var(--ink-500);
}
.page-news .rail-note {
  margin: 18px 0 0;
  padding-left: 18px;
  font-size: .82rem;
  line-height: 1.7;
  color: var(--silver-500);
}

/* ============ 版本记录区 ============ */
.page-news .records-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(30px, 4vw, 56px);
  margin-top: clamp(32px, 4.4vw, 56px);
}
.page-news .records-aside .img-frame {
  border-radius: var(--radius-panel);
  overflow: hidden;
}
.page-news .records-aside img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
}
.page-news .img-caption {
  margin: 14px 0 0;
  font-size: .82rem;
  line-height: 1.7;
  color: var(--silver-500);
}

.page-news .vtimeline-full {
  list-style: none;
  margin: 0;
  padding: 0;
  border-left: 1px solid var(--pn-line);
}
.page-news .rec {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 6px;
  padding: 0 0 clamp(24px, 3vw, 34px) clamp(20px, 2.4vw, 30px);
}
.page-news .rec:last-child {
  padding-bottom: 0;
}
.page-news .rec::before {
  content: "";
  position: absolute;
  left: -5px;
  top: 7px;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--paper);
  border: 1px solid var(--silver-500);
  transition: background-color .18s ease, border-color .18s ease;
}
.page-news .rec:hover::before {
  background: var(--cyan);
  border-color: var(--cyan);
}
.page-news .vnum {
  display: inline-block;
  width: fit-content;
  padding: 2px 10px;
  border-radius: var(--radius-sm);
  background: var(--gold-10);
  color: var(--gold);
  font-size: .82rem;
  letter-spacing: .04em;
}
.page-news .rec-title {
  margin: 8px 0 0;
  font-size: 1.02rem;
  font-weight: 500;
  line-height: 1.5;
  color: var(--ink-900);
}
.page-news .rec-text {
  margin: 6px 0 0;
  font-size: .93rem;
  line-height: 1.75;
  color: var(--ink-500);
}

/* ============ 适配通报区 ============ */
.page-news .sec-adapt .section-head {
  margin-bottom: clamp(30px, 4vw, 48px);
}
.page-news .adapt-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(30px, 4vw, 54px);
}
.page-news .adapt-figure .img-frame {
  border-radius: var(--radius-panel);
  overflow: hidden;
}
.page-news .adapt-figure img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
}
.page-news .adapt-rows {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--pn-line-dark);
}
.page-news .adapt-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 8px;
  padding: 18px 16px 18px 18px;
  border-bottom: 1px solid var(--pn-line-dark);
  border-left: 2px solid transparent;
  transition: background-color .18s ease, border-left-color .18s ease;
}
.page-news .adapt-row:hover {
  background: var(--cyan-08);
  border-left-color: var(--cyan);
}
.page-news .adapt-key {
  color: var(--cyan);
  font-size: .8rem;
  letter-spacing: .06em;
}
.page-news .adapt-text {
  margin: 0;
  font-size: .93rem;
  line-height: 1.75;
  color: var(--silver-200);
}
.page-news .adapt-cta {
  margin: clamp(24px, 3vw, 34px) 0 18px;
  font-size: .95rem;
  line-height: 1.8;
  color: var(--silver-500);
}

/* ============ 运营观察区 ============ */
.page-news .observe-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(30px, 4vw, 54px);
  margin-top: clamp(28px, 3.6vw, 44px);
}
.page-news .observe-body {
  display: flex;
  flex-direction: column;
  gap: 22px;
}
.page-news .observe-item {
  padding-left: 18px;
  border-left: 2px solid var(--pn-line);
  transition: border-left-color .18s ease;
}
.page-news .observe-item:hover {
  border-left-color: var(--cyan);
}
.page-news .observe-key {
  display: block;
  color: var(--gold);
  font-size: .8rem;
  letter-spacing: .08em;
}
.page-news .observe-text {
  margin: 8px 0 0;
  font-size: .94rem;
  line-height: 1.8;
  color: var(--ink-500);
}
.page-news .observe-figure .img-frame {
  border-radius: var(--radius-panel);
  overflow: hidden;
}
.page-news .observe-figure img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
}

/* ============ 回看路径区 ============ */
.page-news .revisit-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 14px;
  margin-top: clamp(28px, 3.6vw, 44px);
}
.page-news .revisit-card {
  display: block;
  padding: clamp(22px, 2.8vw, 30px);
  border: 1px solid var(--pn-line-dark);
  border-radius: var(--radius-panel);
  text-decoration: none;
  color: inherit;
  transition: background-color .18s ease, border-color .18s ease;
}
.page-news .revisit-card:hover {
  background: var(--cyan-08);
  border-color: var(--cyan-16);
}
.page-news .revisit-card:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 3px;
}
.page-news .revisit-step {
  display: block;
  color: var(--gold);
  font-size: .78rem;
  letter-spacing: .12em;
}
.page-news .revisit-title {
  margin: 12px 0 0;
  font-size: 1.08rem;
  font-weight: 500;
  color: var(--silver-050);
}
.page-news .revisit-text {
  margin: 10px 0 0;
  font-size: .92rem;
  line-height: 1.78;
  color: var(--silver-500);
}
.page-news .revisit-more {
  display: inline-block;
  margin-top: 16px;
  color: var(--cyan);
  font-size: .86rem;
  letter-spacing: .04em;
}
.page-news .revisit-card:hover .revisit-more {
  text-decoration: underline;
  text-underline-offset: 4px;
}
.page-news .revisit-foot {
  margin: clamp(30px, 4vw, 44px) 0 16px;
  font-size: .95rem;
  line-height: 1.8;
  color: var(--silver-500);
}
.page-news .sec-revisit .btn-ghost {
  color: var(--silver-200);
  border-color: var(--ink-500);
}
.page-news .sec-revisit .btn-ghost:hover {
  color: var(--cyan);
  border-color: var(--cyan);
}

/* ============ 响应式 ============ */
@media (min-width: 720px) {
  .page-news .stat-strip {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
  .page-news .rec {
    grid-template-columns: 88px minmax(0, 1fr);
    gap: 0 22px;
    align-items: start;
  }
  .page-news .vnum {
    margin-top: 2px;
  }
  .page-news .adapt-row {
    grid-template-columns: 216px minmax(0, 1fr);
    gap: 0 26px;
    align-items: baseline;
  }
  .page-news .revisit-layout {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 18px;
  }
}

@media (min-width: 1024px) {
  .page-news .updates-layout {
    grid-template-columns: minmax(0, 1.55fr) minmax(280px, 1fr);
    align-items: start;
  }
  .page-news .version-rail {
    position: sticky;
    top: calc(var(--top-offset) + 18px);
    padding-left: clamp(20px, 2.6vw, 36px);
  }
  .page-news .records-layout {
    grid-template-columns: minmax(0, 320px) minmax(0, 1fr);
    align-items: start;
  }
  .page-news .records-aside {
    position: sticky;
    top: calc(var(--top-offset) + 18px);
  }
  .page-news .adapt-layout {
    grid-template-columns: minmax(0, 320px) minmax(0, 1fr);
    align-items: start;
  }
  .page-news .observe-layout {
    grid-template-columns: minmax(0, 1fr) minmax(0, 400px);
    align-items: start;
  }
  .page-news .hero-title {
    max-width: 20ch;
  }
}

@media (min-width: 1280px) {
  .page-news .records-layout {
    grid-template-columns: minmax(0, 360px) minmax(0, 1fr);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-news .pill,
  .page-news .entry,
  .page-news .adapt-row,
  .page-news .observe-item,
  .page-news .revisit-card,
  .page-news .rec::before {
    transition: none;
  }
}