.page-news {
  --news-rail: 232px;
  --news-gap: clamp(28px, 4vw, 60px);
  --news-band: clamp(48px, 6vw, 88px);
  --news-card-bg: #ffffff;
  background: var(--xb-warm);
  color: var(--xb-ink);
}

.page-news a {
  text-decoration: none;
}

/* ---------- 首屏 ---------- */
.page-news .news-hero {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(24px, 4vw, 44px);
  padding: clamp(24px, 4vw, 42px) 0 clamp(30px, 4vw, 52px);
  border-bottom: 1px solid var(--xb-line);
}

.page-news .news-hero h1 {
  margin: 14px 0 0;
  font-size: clamp(32px, 6vw, 58px);
  font-weight: 900;
  line-height: 1.12;
  letter-spacing: -0.02em;
  color: var(--xb-navy-900);
}

.page-news .news-hero .xb-lede {
  margin-top: 18px;
  max-width: 62ch;
  color: var(--xb-ink-soft);
}

.page-news .news-pulse {
  position: relative;
  padding: clamp(20px, 3vw, 28px);
  border-radius: var(--xb-r-lg);
  background: var(--xb-navy-900);
  color: var(--xb-warm);
  box-shadow: var(--xb-shadow-2);
  align-self: start;
}

.page-news .news-pulse::after {
  content: "";
  position: absolute;
  top: 18px;
  right: 18px;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: radial-gradient(circle at 30% 30%, var(--xb-orange), transparent 68%);
  opacity: 0.85;
}

.page-news .news-pulse__label {
  margin: 0 0 12px;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--xb-teal);
}

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

.page-news .news-pulse__row {
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding: 10px 0;
  border-bottom: 1px solid var(--xb-line-dark);
}

.page-news .news-pulse__row:last-child {
  border-bottom: 0;
}

.page-news .news-pulse__num {
  font-family: var(--xb-font-num);
  font-size: 24px;
  font-weight: 700;
  line-height: 1;
  color: var(--xb-orange);
  flex: 0 0 auto;
}

.page-news .news-pulse__text {
  font-size: 14px;
  line-height: 1.5;
  color: var(--xb-navy-100);
}

.page-news .news-pulse__foot {
  margin: 14px 0 0;
  font-size: 13px;
  line-height: 1.7;
  color: rgba(220, 230, 242, 0.72);
}

/* ---------- 主体双栏 ---------- */
.page-news .news-body {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--news-gap);
  padding: clamp(28px, 4vw, 48px) 0 clamp(48px, 7vw, 96px);
}

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

/* ---------- 左侧栏目索引 ---------- */
.page-news .news-rail {
  min-width: 0;
}

.page-news .news-rail__title {
  margin: 0 0 10px;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--xb-rock);
}

.page-news .news-rail__list {
  display: flex;
  gap: 8px;
  margin: 0 -4px;
  padding: 0 4px 6px;
  list-style: none;
  overflow-x: auto;
  scrollbar-width: none;
}

.page-news .news-rail__list::-webkit-scrollbar {
  display: none;
}

.page-news .news-rail__link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  flex: 0 0 auto;
  padding: 9px 15px;
  border: 1px solid var(--xb-line);
  border-radius: var(--xb-r-pill);
  background: var(--news-card-bg);
  color: var(--xb-ink-soft);
  font-size: 14px;
  font-weight: 600;
  white-space: nowrap;
  transition: color 0.18s ease, border-color 0.18s ease, background-color 0.18s ease;
}

.page-news .news-rail__no {
  font-family: var(--xb-font-num);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.06em;
  color: var(--xb-clay);
}

.page-news .news-rail__link:hover,
.page-news .news-rail__link:focus-visible {
  color: var(--xb-navy-900);
  border-color: var(--xb-orange);
  background: var(--xb-navy-100);
}

.page-news .news-rail__link.is-active {
  color: var(--xb-navy-900);
  border-color: var(--xb-orange);
  background: var(--xb-cream);
}

.page-news .news-rail__foot {
  display: none;
  margin-top: 26px;
  padding-top: 20px;
  border-top: 1px solid var(--xb-line);
}

.page-news .news-rail__foot p {
  margin: 0 0 10px;
  font-size: 13px;
  line-height: 1.6;
  color: var(--xb-rock);
}

.page-news .news-rail__cta {
  width: 100%;
  justify-content: center;
  font-size: 14px;
}

/* ---------- 章节通用 ---------- */
.page-news .news-section {
  padding-top: var(--news-band);
}

.page-news .news-section:first-child {
  padding-top: 0;
}

.page-news .news-section__head {
  display: flex;
  align-items: baseline;
  flex-wrap: wrap;
  gap: 10px 14px;
  margin-bottom: 22px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--xb-line);
}

.page-news .news-section__num {
  font-family: var(--xb-font-num);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.12em;
  color: var(--xb-clay);
}

.page-news .news-section__head .xb-h2 {
  margin: 0;
  font-size: clamp(22px, 3vw, 30px);
}

.page-news .news-section__note {
  margin: 0 0 0 auto;
  font-size: 13px;
  color: var(--xb-rock);
}

/* ---------- 编辑推荐大卡 ---------- */
.page-news .pick {
  display: grid;
  grid-template-columns: 1fr;
  border-radius: var(--xb-r-lg);
  overflow: hidden;
  background: var(--xb-navy-900);
  color: var(--xb-warm);
  box-shadow: var(--xb-shadow-2);
  transition: transform 0.22s ease, box-shadow 0.22s ease;
}

.page-news .pick:hover {
  transform: translateY(-2px);
}

.page-news .pick__media {
  position: relative;
  min-height: 200px;
  background: var(--xb-navy-700);
}

.page-news .pick__media img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.page-news .pick__body {
  padding: clamp(22px, 3vw, 38px);
}

.page-news .pick__title {
  margin: 14px 0 0;
  font-size: clamp(21px, 2.6vw, 30px);
  font-weight: 800;
  line-height: 1.28;
  letter-spacing: -0.01em;
  color: var(--xb-warm);
}

.page-news .pick__text {
  margin: 14px 0 0;
  font-size: 15px;
  line-height: 1.78;
  color: rgba(247, 243, 236, 0.82);
}

.page-news .pick__meta {
  margin: 16px 0 0;
  font-family: var(--xb-font-num);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--xb-teal);
}

.page-news .pick__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 20px;
}

.page-news .pick__actions .btn {
  font-size: 14px;
}

/* ---------- 动态列表 ---------- */
.page-news .feed {
  display: grid;
  gap: 10px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-news .feed__item {
  padding: 20px 18px;
  border-left: 2px solid var(--xb-silver);
  border-radius: 0 var(--xb-r-md) var(--xb-r-md) 0;
  transition: transform 0.2s ease, box-shadow 0.2s ease, background-color 0.2s ease, border-color 0.2s ease;
}

.page-news .feed__item:hover,
.page-news .feed__item:focus-within {
  transform: translateY(-2px);
  background: var(--news-card-bg);
  border-left-color: var(--xb-orange);
  box-shadow: var(--xb-shadow-1);
}

.page-news .feed__meta {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px;
}

.page-news .feed__time {
  font-family: var(--xb-font-num);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--xb-rock);
}

.page-news .feed__title {
  margin: 12px 0 0;
  font-size: clamp(17px, 2vw, 21px);
  font-weight: 800;
  line-height: 1.4;
  color: var(--xb-navy-900);
}

.page-news .feed__desc {
  margin: 10px 0 0;
  font-size: 15px;
  line-height: 1.78;
  color: var(--xb-ink-soft);
}

.page-news .feed__more {
  display: inline-block;
  margin-top: 12px;
  font-size: 14px;
  font-weight: 600;
  color: var(--xb-orange-deep);
  border-bottom: 1px solid rgba(194, 65, 12, 0.32);
  transition: border-color 0.18s ease, color 0.18s ease;
}

.page-news .feed__more:hover,
.page-news .feed__more:focus-visible {
  color: var(--xb-navy-900);
  border-bottom-color: var(--xb-orange);
}

/* ---------- 专题系列 ---------- */
.page-news .series {
  display: grid;
  gap: 18px;
}

.page-news .series__item {
  --series-color: var(--xb-moss);
  display: grid;
  grid-template-columns: 1fr;
  overflow: hidden;
  border-top: 3px solid var(--series-color);
  border-radius: var(--xb-r-md);
  background: var(--news-card-bg);
  box-shadow: var(--xb-shadow-1);
  transition: transform 0.22s ease, box-shadow 0.22s ease;
}

.page-news .series__item:hover {
  transform: translateY(-2px);
  box-shadow: var(--xb-shadow-2);
}

.page-news .series__item--clay {
  --series-color: var(--xb-clay);
}

.page-news .series__item--teal {
  --series-color: var(--xb-teal);
}

.page-news .series__media {
  background: var(--xb-cream);
}

.page-news .series__media img {
  display: block;
  width: 100%;
  height: 100%;
  min-height: 160px;
  object-fit: cover;
}

.page-news .series__body {
  padding: clamp(18px, 2.6vw, 26px);
}

.page-news .series__no {
  font-family: var(--xb-font-num);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.12em;
  color: var(--series-color);
}

.page-news .series__title {
  margin: 8px 0 0;
  font-size: clamp(19px, 2.2vw, 23px);
  font-weight: 800;
  line-height: 1.3;
  color: var(--xb-navy-900);
}

.page-news .series__text {
  margin: 10px 0 0;
  font-size: 15px;
  line-height: 1.78;
  color: var(--xb-ink-soft);
}

.page-news .series__topics {
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
  margin: 14px 0 0;
  padding: 0;
  list-style: none;
}

.page-news .series__topics li {
  padding: 5px 11px;
  border-radius: var(--xb-r-pill);
  background: var(--xb-cream);
  font-size: 12px;
  font-weight: 600;
  color: var(--xb-ink-soft);
}

.page-news .series__link {
  display: inline-block;
  margin-top: 16px;
  font-size: 14px;
  font-weight: 700;
  color: var(--xb-navy-900);
  border-bottom: 2px solid var(--series-color);
  padding-bottom: 2px;
}

.page-news .series__link:hover,
.page-news .series__link:focus-visible {
  color: var(--xb-orange-deep);
  border-bottom-color: var(--xb-orange);
}

/* ---------- 版本时间线 ---------- */
.page-news .timeline {
  position: relative;
  margin: 0;
  padding: 6px 0 6px 30px;
  list-style: none;
}

.page-news .timeline::before {
  content: "";
  position: absolute;
  left: 9px;
  top: 12px;
  bottom: 12px;
  width: 2px;
  border-radius: 2px;
  background: linear-gradient(180deg, var(--xb-clay), var(--xb-teal) 62%, var(--xb-navy-100));
}

.page-news .timeline__item {
  position: relative;
  padding-bottom: 24px;
}

.page-news .timeline__item:last-child {
  padding-bottom: 0;
}

.page-news .timeline__item::before {
  content: "";
  position: absolute;
  left: -27px;
  top: 5px;
  width: 14px;
  height: 14px;
  box-sizing: border-box;
  border-radius: 50%;
  background: var(--xb-warm);
  border: 2px solid var(--xb-clay);
}

.page-news .timeline__item:nth-child(2)::before {
  border-color: var(--xb-moss);
}

.page-news .timeline__item:nth-child(3)::before {
  border-color: var(--xb-teal);
}

.page-news .timeline__item:nth-child(4)::before {
  border-color: var(--xb-orange);
}

.page-news .timeline__ver {
  font-family: var(--xb-font-num);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.12em;
  color: var(--xb-orange-deep);
}

.page-news .timeline__title {
  margin: 6px 0 0;
  font-size: 18px;
  font-weight: 800;
  color: var(--xb-navy-900);
}

.page-news .timeline__text {
  margin: 6px 0 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--xb-ink-soft);
}

/* ---------- 入口 ---------- */
.page-news .gate {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
}

.page-news .gate__card {
  display: block;
  padding: clamp(22px, 3vw, 32px);
  border-radius: var(--xb-r-lg);
  transition: transform 0.22s ease, box-shadow 0.22s ease;
}

.page-news .gate__card:hover,
.page-news .gate__card:focus-visible {
  transform: translateY(-3px);
  box-shadow: var(--xb-shadow-2);
}

.page-news .gate__card--navy {
  background: var(--xb-navy-900);
  color: var(--xb-warm);
}

.page-news .gate__card--orange {
  background: var(--xb-orange);
  color: var(--xb-navy-900);
}

.page-news .gate__no {
  display: inline-block;
  font-family: var(--xb-font-num);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.14em;
  opacity: 0.72;
}

.page-news .gate__title {
  margin: 10px 0 0;
  font-size: clamp(19px, 2.2vw, 23px);
  font-weight: 800;
  line-height: 1.32;
}

.page-news .gate__text {
  margin: 10px 0 0;
  font-size: 14.5px;
  line-height: 1.75;
  opacity: 0.86;
}

.page-news .gate__go {
  display: inline-block;
  margin-top: 16px;
  padding-bottom: 2px;
  font-size: 14px;
  font-weight: 700;
  border-bottom: 2px solid currentColor;
}

.page-news .gate__foot {
  margin: 22px 0 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--xb-rock);
}

.page-news .gate__foot a {
  color: var(--xb-orange-deep);
  font-weight: 600;
  border-bottom: 1px solid rgba(194, 65, 12, 0.3);
}

.page-news .gate__foot a:hover,
.page-news .gate__foot a:focus-visible {
  border-bottom-color: var(--xb-orange);
}

/* ---------- 焦点可见性 ---------- */
.page-news a:focus-visible {
  outline: 2px solid var(--xb-orange);
  outline-offset: 2px;
}

/* ---------- 响应式 ---------- */
@media (min-width: 620px) {
  .page-news .series__item {
    grid-template-columns: 200px minmax(0, 1fr);
  }

  .page-news .series__media img {
    min-height: 100%;
  }

  .page-news .gate {
    grid-template-columns: 1fr 1fr;
  }
}

@media (min-width: 820px) {
  .page-news .news-hero {
    grid-template-columns: minmax(0, 1fr) 300px;
    align-items: start;
  }

  .page-news .pick {
    grid-template-columns: 1.05fr 0.95fr;
  }

  .page-news .pick__media {
    min-height: 100%;
  }
}

@media (min-width: 981px) {
  .page-news .news-body {
    grid-template-columns: var(--news-rail) minmax(0, 1fr);
  }

  .page-news .news-rail__inner,
  .page-news .news-rail {
    align-self: start;
  }

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

  .page-news .news-rail__list {
    flex-direction: column;
    gap: 2px;
    margin: 0;
    padding: 0;
    overflow: visible;
  }

  .page-news .news-rail__link {
    width: 100%;
    justify-content: flex-start;
    padding: 10px 12px;
    border: 0;
    border-left: 2px solid transparent;
    border-radius: 0;
    background: transparent;
    font-weight: 600;
  }

  .page-news .news-rail__link:hover,
  .page-news .news-rail__link:focus-visible {
    background: var(--xb-cream);
    border-left-color: var(--xb-silver);
  }

  .page-news .news-rail__link.is-active {
    background: linear-gradient(90deg, rgba(255, 107, 44, 0.14), transparent 82%);
    border-left-color: var(--xb-orange);
    font-weight: 800;
  }

  .page-news .news-rail__foot {
    display: block;
  }

  .page-news .news-rail {
    position: sticky;
    top: 100px;
  }
}

@media (min-width: 1100px) {
  .page-news .series__item {
    grid-template-columns: 240px minmax(0, 1fr);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-news .pick,
  .page-news .feed__item,
  .page-news .series__item,
  .page-news .gate__card,
  .page-news .news-rail__link {
    transition: none;
  }

  .page-news .pick:hover,
  .page-news .feed__item:hover,
  .page-news .series__item:hover,
  .page-news .gate__card:hover {
    transform: none;
  }
}
<<<PAGE_CSS_END>>>