.page-news {
  padding-bottom: 88px;
  color: var(--paper);
}

/* ============ 首屏 ============ */
.page-news .news-hero {
  position: relative;
  overflow: hidden;
  padding: 32px 0 0;
  border-bottom: 1px solid var(--line);
}

.page-news .news-hero::before {
  content: "";
  position: absolute;
  top: -34%;
  right: -12%;
  left: -12%;
  height: 78%;
  background:
    radial-gradient(58% 78% at 22% 12%, rgba(108, 43, 217, .40), transparent 70%),
    radial-gradient(42% 66% at 84% 4%, rgba(184, 242, 60, .14), transparent 72%);
  pointer-events: none;
  z-index: 0;
}

.page-news .news-hero__grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1fr;
  gap: 28px;
}

.page-news .news-hero .breadcrumb {
  margin-bottom: 14px;
}

.page-news .news-hero h1 {
  margin: 10px 0 0;
  font-family: var(--font-display);
  font-size: clamp(38px, 8vw, 82px);
  line-height: .98;
  letter-spacing: -.02em;
  color: var(--paper);
}

.page-news .news-hero__lead {
  max-width: 56ch;
  margin: 18px 0 0;
  font-size: 16px;
  line-height: 1.78;
  color: rgba(244, 242, 234, .78);
}

.page-news .news-hero__media .frame {
  border-radius: 16px;
}

.page-news .news-hero__stats {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
  margin-top: 30px;
  padding: 22px 0 26px;
  border-top: 1px solid var(--line);
}

.page-news .stat {
  display: flex;
  flex-direction: column;
  gap: 5px;
  padding-left: 13px;
  border-left: 2px solid var(--grape);
}

.page-news .stat:nth-child(2) {
  border-left-color: var(--lime);
}

.page-news .stat:nth-child(3) {
  border-left-color: var(--gold);
}

.page-news .stat__n {
  font-family: var(--font-mono);
  font-size: clamp(22px, 4.4vw, 38px);
  font-weight: 700;
  line-height: 1;
  letter-spacing: -.01em;
  font-variant-numeric: tabular-nums;
  color: var(--paper);
}

.page-news .stat__l {
  font-size: 12px;
  line-height: 1.5;
  letter-spacing: .06em;
  color: var(--stone);
}

/* ============ 版本区间筛选条 ============ */
.page-news .news-filter {
  position: sticky;
  top: var(--cmd-h);
  z-index: 5;
  padding: 14px 0;
  background: rgba(10, 14, 31, .84);
  -webkit-backdrop-filter: blur(14px);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--line);
}

.page-news .news-filter__inner {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.page-news .news-filter__label {
  margin: 0;
  color: var(--stone);
}

.page-news .news-filter .seg {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.page-news .seg__item {
  appearance: none;
  border: 1px solid var(--line);
  background: var(--glass);
  color: rgba(244, 242, 234, .78);
  font-family: var(--font-body);
  font-size: 13px;
  letter-spacing: .04em;
  padding: 7px 15px;
  border-radius: 999px;
  cursor: pointer;
  transition: color .18s var(--ease), border-color .18s var(--ease), background .18s var(--ease);
}

.page-news .seg__item:hover {
  color: var(--paper);
  border-color: rgba(165, 107, 255, .5);
}

.page-news .seg__item[aria-pressed="true"] {
  background: var(--lime);
  border-color: var(--lime);
  color: var(--ink);
  font-weight: 700;
}

/* ============ 主体两栏 ============ */
.page-news .news-body {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 0;
  padding-top: 30px;
}

.page-news .news-scale {
  display: none;
}

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

/* ============ 三栏读法 ============ */
.page-news .news-legend {
  padding: 20px 0 26px;
  border-bottom: 1px solid var(--line);
}

.page-news .news-legend .eyebrow {
  margin: 0 0 14px;
  color: var(--stone);
}

.page-news .news-legend__row {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 14px;
}

.page-news .news-legend__row li {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  grid-template-rows: auto auto;
  column-gap: 10px;
  row-gap: 2px;
  align-items: baseline;
}

.page-news .news-legend__idx {
  grid-row: 1 / 3;
  font-size: 11px;
  letter-spacing: .16em;
  color: var(--grape-lit);
}

.page-news .news-legend__row strong {
  font-family: var(--font-display);
  font-size: 15px;
  font-weight: 700;
  letter-spacing: -.01em;
  color: var(--paper);
}

.page-news .news-legend__row em {
  font-style: normal;
  font-size: 13.5px;
  line-height: 1.7;
  color: rgba(244, 242, 234, .62);
}

/* ============ 条目列表 ============ */
.page-news .news-list {
  padding-top: 30px;
}

.page-news .news-list__head {
  margin-bottom: 8px;
}

.page-news .news-list__head h2 {
  margin: 0 0 8px;
  font-family: var(--font-display);
  font-size: clamp(24px, 4.4vw, 38px);
  line-height: 1.1;
  letter-spacing: -.02em;
  color: var(--paper);
}

.page-news .news-list__head p {
  margin: 0;
  max-width: 58ch;
  font-size: 14.5px;
  line-height: 1.75;
  color: rgba(244, 242, 234, .62);
}

.page-news .log-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-news .log-row {
  display: grid;
  grid-template-columns: 84px minmax(0, 1fr);
  gap: 8px 14px;
  padding: 20px 0;
  border-bottom: 1px solid var(--line);
}

.page-news .log-row__time {
  grid-column: 1;
  grid-row: 1;
  margin: 0;
  font-size: 11.5px;
  line-height: 1.9;
  letter-spacing: .06em;
  color: var(--stone);
}

.page-news .log-row__ver {
  grid-column: 2;
  grid-row: 1;
  margin: 0;
  font-size: 13px;
  line-height: 1.7;
  letter-spacing: .04em;
  font-variant-numeric: tabular-nums;
  color: var(--gold);
}

.page-news .log-row__body {
  grid-column: 1 / -1;
  grid-row: 2;
  min-width: 0;
}

.page-news .log-row__body h3 {
  margin: 9px 0 6px;
  font-family: var(--font-display);
  font-size: 18px;
  line-height: 1.38;
  letter-spacing: -.01em;
  color: var(--paper);
}

.page-news .log-row__body p {
  margin: 0;
  max-width: 64ch;
  font-size: 14.5px;
  line-height: 1.75;
  color: rgba(244, 242, 234, .70);
}

.page-news .log-row__body a {
  color: var(--grape-lit);
  text-decoration: none;
  border-bottom: 1px solid rgba(165, 107, 255, .38);
  transition: color .18s var(--ease), border-color .18s var(--ease);
}

.page-news .log-row__body a:hover {
  color: var(--lime);
  border-bottom-color: var(--lime);
}

.page-news .log-row--lead {
  border-bottom-color: transparent;
  border-radius: 18px;
  padding: 26px 18px;
  background:
    linear-gradient(104deg, rgba(165, 107, 255, .18), rgba(23, 18, 56, .52) 58%, rgba(23, 18, 56, 0));
  -webkit-backdrop-filter: blur(8px);
  backdrop-filter: blur(8px);
}

.page-news .log-row--lead .log-row__ver {
  color: var(--lime);
}

.page-news .log-row__pic {
  margin-top: 16px;
  border-radius: 12px;
}

/* ============ 标签 ============ */
.page-news .chip {
  display: inline-flex;
  align-items: center;
  padding: 3px 11px;
  border-radius: 999px;
  border: 1px solid currentColor;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .12em;
  line-height: 1.7;
  background: transparent;
}

.page-news .chip--grape {
  color: var(--grape-lit);
  border-color: rgba(165, 107, 255, .45);
  background: rgba(165, 107, 255, .10);
}

.page-news .chip--lime {
  color: var(--lime);
  border-color: rgba(184, 242, 60, .45);
  background: rgba(184, 242, 60, .09);
}

.page-news .chip--gold {
  color: var(--gold);
  border-color: rgba(242, 193, 92, .45);
  background: rgba(242, 193, 92, .09);
}

.page-news .chip--clay {
  color: var(--clay);
  border-color: rgba(217, 116, 63, .5);
  background: rgba(217, 116, 63, .10);
}

.page-news .chip--stone {
  color: var(--stone);
  border-color: rgba(140, 147, 168, .45);
  background: rgba(140, 147, 168, .10);
}

/* ============ 通用章节 ============ */
.page-news .news-section {
  padding-top: 56px;
}

.page-news .news-section__head {
  max-width: 62ch;
  margin-bottom: 26px;
}

.page-news .news-section__head .eyebrow {
  margin: 0 0 10px;
  color: var(--stone);
}

.page-news .news-section__head h2 {
  margin: 0 0 10px;
  font-family: var(--font-display);
  font-size: clamp(24px, 4.6vw, 42px);
  line-height: 1.08;
  letter-spacing: -.02em;
  color: var(--paper);
}

.page-news .news-section__head p {
  margin: 0;
  font-size: 15px;
  line-height: 1.78;
  color: rgba(244, 242, 234, .68);
}

/* ============ 版本区间索引 ============ */
.page-news .ver-index {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-news .ver-index li {
  display: grid;
  grid-template-columns: 76px minmax(0, 1fr) auto;
  align-items: center;
  gap: 14px;
  padding: 14px 0;
  border-bottom: 1px solid var(--line);
}

.page-news .ver-index__tag {
  font-size: 12.5px;
  letter-spacing: .04em;
  color: var(--paper);
}

.page-news .ver-index__bar {
  display: block;
  height: 6px;
  border-radius: 999px;
  background: rgba(140, 147, 168, .14);
  overflow: hidden;
}

.page-news .ver-index__bar i {
  display: block;
  height: 100%;
  border-radius: inherit;
  background: linear-gradient(90deg, var(--grape), var(--grape-lit));
}

.page-news .ver-index li:nth-child(1) .ver-index__bar i { width: 47%; }
.page-news .ver-index li:nth-child(2) .ver-index__bar i { width: 88%; }
.page-news .ver-index li:nth-child(3) .ver-index__bar i { width: 100%; background: linear-gradient(90deg, var(--grape-lit), var(--lime)); }
.page-news .ver-index li:nth-child(4) .ver-index__bar i { width: 77%; }
.page-news .ver-index li:nth-child(5) .ver-index__bar i { width: 65%; }

.page-news .ver-index__n {
  font-size: 13px;
  letter-spacing: .04em;
  color: var(--stone);
  white-space: nowrap;
}

.page-news .ver-index__n .num {
  font-family: var(--font-mono);
  font-size: 15px;
  font-variant-numeric: tabular-nums;
  color: var(--paper);
}

/* ============ 栏目与专题 ============ */
.page-news .topic-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 16px;
}

.page-news .topic-card {
  position: relative;
  padding: 22px 20px 18px;
  border-radius: 16px;
  border: 1px solid var(--line);
  background: linear-gradient(160deg, rgba(23, 18, 56, .78), rgba(10, 14, 31, .5));
}

.page-news .topic-card h3 {
  margin: 12px 0 8px;
  font-family: var(--font-display);
  font-size: 20px;
  line-height: 1.25;
  letter-spacing: -.01em;
  color: var(--paper);
}

.page-news .topic-card p {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: rgba(244, 242, 234, .66);
}

.page-news .topic-card__n {
  margin-top: 14px;
  padding-top: 12px;
  border-top: 1px solid var(--line);
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--stone);
}

.page-news .topic-card__n .num {
  font-family: var(--font-mono);
  font-size: 15px;
  font-variant-numeric: tabular-nums;
  color: var(--gold);
  margin-right: 4px;
}

/* ============ 回看与跟进 ============ */
.page-news .news-section--follow {
  padding-bottom: 12px;
}

.page-news .follow-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 28px;
  padding: 28px 20px;
  border-radius: 20px;
  background:
    linear-gradient(120deg, rgba(108, 43, 217, .20), rgba(10, 14, 31, .2) 62%),
    rgba(23, 18, 56, .55);
}

.page-news .follow-grid__copy .eyebrow {
  margin: 0 0 10px;
  color: var(--grape-lit);
}

.page-news .follow-grid__copy h2 {
  margin: 0 0 12px;
  font-family: var(--font-display);
  font-size: clamp(23px, 4.4vw, 38px);
  line-height: 1.1;
  letter-spacing: -.02em;
  color: var(--paper);
}

.page-news .follow-grid__copy p {
  margin: 0 0 12px;
  max-width: 54ch;
  font-size: 14.5px;
  line-height: 1.78;
  color: rgba(244, 242, 234, .70);
}

.page-news .follow-grid__copy a {
  color: var(--lime);
  text-decoration: none;
  border-bottom: 1px solid rgba(184, 242, 60, .4);
}

.page-news .follow-grid__copy a:hover {
  color: var(--paper);
  border-bottom-color: var(--paper);
}

.page-news .follow-grid__steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 16px;
}

.page-news .follow-grid__steps li {
  padding-left: 16px;
  border-left: 1px solid rgba(165, 107, 255, .38);
}

.page-news .follow-grid__steps .mono {
  font-size: 11px;
  letter-spacing: .18em;
  color: var(--grape-lit);
}

.page-news .follow-grid__steps strong {
  display: block;
  margin: 5px 0 5px;
  font-family: var(--font-display);
  font-size: 16px;
  letter-spacing: -.01em;
  color: var(--paper);
}

.page-news .follow-grid__steps p {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.7;
  color: rgba(244, 242, 234, .62);
}

.page-news .news-footnote {
  margin: 40px 0 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--stone);
}

.page-news .news-footnote a {
  color: var(--gold);
  text-decoration: none;
  border-bottom: 1px solid rgba(242, 193, 92, .42);
}

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

/* ============ 响应式 ============ */
@media (min-width: 640px) {
  .page-news .news-hero__stats {
    gap: 24px;
  }

  .page-news .news-legend__row {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 20px;
  }

  .page-news .news-legend__row li {
    grid-template-columns: auto minmax(0, 1fr);
  }

  .page-news .topic-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-news .follow-grid {
    padding: 36px 30px;
  }

  .page-news .news-filter__inner {
    flex-direction: row;
    align-items: center;
    gap: 20px;
  }

  .page-news .news-filter__label {
    flex: none;
  }

  .page-news .log-row__body--media {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 200px;
    gap: 24px;
    align-items: center;
  }

  .page-news .log-row__pic {
    margin-top: 0;
  }
}

@media (min-width: 900px) {
  .page-news .news-hero {
    padding-top: 48px;
  }

  .page-news .news-hero__grid {
    grid-template-columns: 7fr 5fr;
    gap: 44px;
    align-items: start;
  }

  .page-news .news-hero__media {
    padding-top: 34px;
  }

  .page-news .topic-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-news .topic-card:nth-child(2) {
    transform: translateY(22px);
  }

  .page-news .topic-card:nth-child(4) {
    transform: translateY(22px);
  }

  .page-news .topic-card:nth-child(5) {
    transform: translateY(44px);
  }

  .page-news .topic-grid {
    padding-bottom: 44px;
  }

  .page-news .follow-grid {
    grid-template-columns: 6fr 5fr;
    gap: 40px;
    align-items: start;
  }

  .page-news .log-row__body--media {
    grid-template-columns: minmax(0, 1fr) 260px;
  }
}

@media (min-width: 1040px) {
  .page-news .news-body {
    grid-template-columns: 100px minmax(0, 1fr);
    gap: 52px;
  }

  .page-news .news-scale {
    display: block;
    position: sticky;
    top: calc(var(--cmd-h) + 92px);
    align-self: start;
  }

  .page-news .news-scale__label {
    margin: 0 0 14px;
    color: var(--stone);
  }

  .page-news .news-scale__list {
    list-style: none;
    margin: 0;
    padding: 0;
    border-left: 1px solid var(--line);
  }

  .page-news .news-scale__list li {
    position: relative;
    padding: 15px 0 15px 16px;
  }

  .page-news .news-scale__list li::before {
    content: "";
    position: absolute;
    left: -3px;
    top: 50%;
    width: 5px;
    height: 5px;
    border-radius: 50%;
    background: var(--line);
    transform: translateY(-50%);
    transition: background .2s var(--ease);
  }

  .page-news .news-scale__list .mono {
    font-size: 12px;
    letter-spacing: .04em;
    color: var(--stone);
  }

  .page-news .news-scale__list li[data-active="true"]::before {
    left: -4px;
    width: 7px;
    height: 7px;
    background: var(--grape-lit);
    box-shadow: 0 0 0 4px rgba(165, 107, 255, .18);
  }

  .page-news .news-scale__list li[data-active="true"] .mono {
    color: var(--grape-lit);
    font-weight: 700;
  }

  .page-news .log-row {
    grid-template-columns: 92px 106px minmax(0, 1fr);
    gap: 26px;
    align-items: start;
  }

  .page-news .log-row__time,
  .page-news .log-row__ver {
    grid-column: auto;
    grid-row: auto;
    padding-top: 4px;
  }

  .page-news .log-row__ver {
    font-size: 13.5px;
    padding-top: 2px;
  }

  .page-news .log-row__body {
    grid-column: auto;
    grid-row: auto;
  }
}

@media (min-width: 1280px) {
  .page-news .log-row__body h3 {
    font-size: 20px;
  }

  .page-news .log-row__body p {
    font-size: 15px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-news * {
    transition-duration: .01ms !important;
    animation-duration: .01ms !important;
  }
}