.page-news {
  --news-rail: 230px;
  --news-hair: rgba(27, 58, 107, 0.14);
  background: var(--white);
  color: var(--ink);
}

.page-news img {
  max-width: 100%;
  height: auto;
}

/* ============ 首屏封面 ============ */
.page-news .news-masthead {
  position: relative;
  overflow: hidden;
  padding-block: clamp(44px, 8vw, 84px) clamp(52px, 9vw, 104px);
  background: linear-gradient(155deg, var(--blue-deep) 0%, var(--blue) 58%, #17325c 100%);
  color: var(--white);
}

.page-news .news-masthead__beam {
  position: absolute;
  top: -20%;
  right: -16%;
  width: min(540px, 66vw);
  height: 152%;
  background: linear-gradient(180deg, rgba(215, 38, 61, 0.92), rgba(168, 29, 48, 0.34));
  transform: skewX(-14deg);
  opacity: 0.78;
  pointer-events: none;
}

.page-news .news-masthead__lines {
  position: absolute;
  inset: 0;
  background: repeating-linear-gradient(112deg, rgba(199, 244, 100, 0.16) 0 1px, transparent 1px 46px);
  opacity: 0.66;
  pointer-events: none;
}

.page-news .news-masthead__inner {
  position: relative;
  z-index: 1;
}

.page-news .news-eyebrow {
  color: var(--lime);
  font-family: var(--font-mono);
}

.page-news .news-masthead__title {
  margin: 14px 0 0;
  font-size: clamp(46px, 12vw, 108px);
  font-weight: 900;
  line-height: 0.96;
  letter-spacing: -0.02em;
}

.page-news .news-masthead__lead {
  max-width: 54ch;
  margin: 24px 0 0;
  font-size: clamp(16px, 2.4vw, 19px);
  line-height: 1.72;
  color: rgba(255, 255, 255, 0.86);
}

.page-news .news-stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 20px 24px;
  margin: 40px 0 0;
  padding: 24px 0 0;
  list-style: none;
  border-top: 1px solid var(--glass-white);
}

.page-news .news-stats__num {
  display: block;
  font-family: var(--font-mono);
  font-size: clamp(26px, 5vw, 38px);
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--lime);
}

.page-news .news-stats__label {
  display: block;
  margin-top: 6px;
  font-size: 13px;
  color: rgba(255, 255, 255, 0.7);
}

/* ============ 主体双栏 ============ */
.page-news .news-body {
  display: grid;
  gap: 40px;
  padding-block: clamp(40px, 6vw, 72px) clamp(56px, 9vw, 104px);
}

/* 左侧目录轨道 */
.page-news .news-rail__title {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--steel);
}

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

.page-news .news-rail__list a {
  display: inline-flex;
  align-items: baseline;
  gap: 9px;
  padding: 8px 13px;
  border: 1px solid var(--mist);
  border-radius: var(--r-sm);
  font-size: 14px;
  font-weight: 600;
  color: var(--blue);
  text-decoration: none;
  transition: background 0.2s var(--ease), border-color 0.2s var(--ease);
}

.page-news .news-rail__list a:hover {
  background: var(--mist);
  border-color: var(--news-hair);
}

.page-news .news-rail__no {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--red);
}

.page-news .news-rail__note {
  margin-top: 22px;
  padding: 16px 18px;
  border-radius: var(--r-md);
  background: var(--blue-deep);
  color: rgba(255, 255, 255, 0.8);
  font-size: 13px;
  line-height: 1.65;
}

.page-news .news-rail__note p {
  margin: 10px 0 0;
}

/* 右侧内容流 */
.page-news .news-block {
  scroll-margin-top: calc(var(--nav-h) + 24px);
}

.page-news .news-block + .news-block {
  margin-top: clamp(56px, 8vw, 96px);
}

.page-news .news-block__head {
  max-width: 62ch;
}

.page-news .news-block__head .lead {
  margin-top: 14px;
  color: var(--steel);
}

.page-news .news-block__figure {
  margin: 30px 0 0;
}

.page-news .news-block__figure img {
  display: block;
  width: 100%;
}

.page-news .news-block__tail {
  margin-top: 26px;
  color: var(--ink);
}

.page-news .news-block__tail a,
.page-news .news-flow__note a {
  color: var(--red);
  font-weight: 600;
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-news .news-block__tail a:hover,
.page-news .news-flow__note a:hover {
  color: var(--red-deep);
}

/* ============ 时间线 ============ */
.page-news .news-timeline {
  margin: 34px 0 0;
  padding: 0 0 0 22px;
  list-style: none;
  border-left: 2px solid var(--mist);
}

.page-news .news-timeline__item {
  position: relative;
  padding-bottom: 28px;
}

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

.page-news .news-timeline__item::before {
  content: "";
  position: absolute;
  left: -30px;
  top: 5px;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--red);
  border: 2px solid var(--white);
  box-shadow: 0 0 0 2px var(--red);
}

.page-news .news-timeline__item--now::before {
  background: var(--lime);
  box-shadow: 0 0 0 2px var(--lime), 0 0 0 6px rgba(199, 244, 100, 0.28);
}

.page-news .news-timeline__when {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--steel);
}

.page-news .news-timeline__item--now .news-timeline__when {
  color: var(--red);
}

.page-news .news-timeline__title {
  margin: 8px 0 6px;
  font-size: 18px;
  font-weight: 700;
  line-height: 1.45;
  color: var(--blue-deep);
}

.page-news .news-timeline__text {
  max-width: 60ch;
  margin: 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--ink);
}

/* ============ 版本手风琴 ============ */
.page-news .news-versions {
  margin-top: 30px;
}

.page-news .news-version__name {
  font-size: 15px;
  font-weight: 600;
  line-height: 1.5;
}

.page-news .news-version__body p {
  margin: 0 0 12px;
  max-width: 62ch;
  font-size: 15px;
  line-height: 1.75;
  color: var(--ink);
}

.page-news .news-version__body p:last-child {
  margin-bottom: 0;
}

/* ============ 专题卡片 ============ */
.page-news .news-topics {
  display: grid;
  gap: 20px;
  align-items: start;
  margin-top: 32px;
}

.page-news .news-topic {
  display: flex;
  flex-direction: column;
  padding: 24px;
  border: 1px solid var(--mist);
  border-radius: var(--r-lg);
  background: var(--white);
  scroll-margin-top: calc(var(--nav-h) + 28px);
  transition: transform 0.25s var(--ease), border-color 0.25s var(--ease), box-shadow 0.25s var(--ease);
}

.page-news .news-topic:hover {
  transform: translateY(-3px);
  border-color: var(--news-hair);
  box-shadow: var(--shadow-1);
}

.page-news .news-topic--dark {
  background: var(--blue-deep);
  border-color: transparent;
  color: var(--white);
}

.page-news .news-topic__kicker {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--red);
}

.page-news .news-topic__kicker--lime {
  color: var(--lime);
}

.page-news .news-topic__title {
  margin: 10px 0 8px;
  font-size: 20px;
  font-weight: 700;
  line-height: 1.4;
}

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

.page-news .news-topic--dark .news-topic__text {
  color: rgba(255, 255, 255, 0.8);
}

.page-news .news-topic__figure {
  margin: 18px 0 0;
}

.page-news .news-topic__figure img {
  display: block;
  width: 100%;
  aspect-ratio: 3 / 2;
  object-fit: cover;
  border-radius: var(--r-md);
}

.page-news .news-topic__list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 16px 0 0;
  padding: 0;
  list-style: none;
}

.page-news .news-topic__list li {
  padding: 5px 11px;
  border-radius: var(--r-pill);
  background: var(--mist);
  color: var(--blue);
  font-family: var(--font-mono);
  font-size: 12px;
}

.page-news .news-topic--dark .news-topic__list li {
  background: var(--glass-white);
  color: var(--lime);
}

/* ============ 分类索引 ============ */
.page-news .news-index {
  margin-top: 32px;
  padding: clamp(20px, 4vw, 34px);
  border-radius: var(--r-lg);
  background: var(--mist);
}

.page-news .news-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.page-news .news-chip {
  padding: 8px 16px;
  border: 1px solid var(--news-hair);
  border-radius: var(--r-pill);
  background: var(--white);
  color: var(--blue);
  font-family: var(--font-mono);
  font-size: 13px;
  text-decoration: none;
  transition: background 0.2s var(--ease), color 0.2s var(--ease), border-color 0.2s var(--ease);
}

.page-news .news-chip:hover {
  background: var(--blue);
  border-color: var(--blue);
  color: var(--white);
}

.page-news .news-index__list {
  display: grid;
  gap: 10px;
  margin: 24px 0 0;
  padding: 0;
  list-style: none;
}

.page-news .news-index__item {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 16px;
  padding: 12px 14px;
  border-left: 3px solid var(--red);
  border-radius: var(--r-sm);
  background: var(--white);
  font-size: 14px;
  font-weight: 600;
  color: var(--blue-deep);
}

.page-news .news-index__count {
  flex: none;
  font-family: var(--font-mono);
  font-weight: 700;
  color: var(--red);
}

/* ============ 更新提示 ============ */
.page-news .news-flow__note {
  margin-top: clamp(48px, 7vw, 80px);
  color: var(--steel);
}

.page-news .news-subscribe {
  position: relative;
  overflow: hidden;
  margin-top: clamp(32px, 5vw, 56px);
  padding: clamp(28px, 5vw, 56px);
  border-radius: var(--r-lg);
  background: linear-gradient(125deg, var(--blue-deep) 0%, var(--blue) 100%);
  color: var(--white);
  scroll-margin-top: calc(var(--nav-h) + 24px);
}

.page-news .news-subscribe::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--red) 0 42%, var(--lime) 42% 100%);
}

.page-news .news-subscribe__title {
  margin: 10px 0 0;
  max-width: 24ch;
  color: var(--white);
}

.page-news .news-subscribe__text {
  max-width: 56ch;
  margin: 18px 0 0;
  font-size: 16px;
  line-height: 1.75;
  color: rgba(255, 255, 255, 0.82);
}

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

.page-news .news-subscribe__note {
  margin: 22px 0 0;
  font-size: 13px;
  line-height: 1.7;
  color: rgba(255, 255, 255, 0.62);
}

/* ============ 响应式 ============ */
@media (min-width: 720px) {
  .page-news .news-stats {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-news .news-index__list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 12px;
  }
}

@media (min-width: 860px) {
  .page-news .news-topics {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 24px;
  }
}

@media (min-width: 1000px) {
  .page-news .news-body {
    grid-template-columns: var(--news-rail) minmax(0, 1fr);
    gap: clamp(44px, 6vw, 80px);
  }

  .page-news .news-rail {
    position: sticky;
    top: calc(var(--nav-h) + 28px);
  }

  .page-news .news-rail__list {
    flex-direction: column;
    gap: 4px;
  }

  .page-news .news-rail__list a {
    width: 100%;
  }
}

@media (min-width: 1240px) {
  .page-news {
    --news-rail: 260px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-news .news-topic,
  .page-news .news-chip,
  .page-news .news-rail__list a {
    transition: none;
  }

  .page-news .news-topic:hover {
    transform: none;
  }
}
<<<END>>>