.page-news {
  --news-c-version: var(--path-400);
  --news-c-rights: var(--action-500);
  --news-c-guide: var(--state-ok);
  --news-c-device: var(--state-warn);
  --news-hair: 1px solid var(--paper-300);
  --news-radius: 2px;
}

/* ---------- 首屏 ---------- */
.page-news .news-masthead {
  padding-block: 24px 0;
  background: linear-gradient(180deg, var(--paper-100) 0%, var(--paper-100) 72%, var(--paper-300) 100%);
}

.page-news .news-masthead__kicker {
  margin: 22px 0 12px;
  font-size: 12px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--ink-500);
}

.page-news .news-masthead__title {
  margin: 0 0 18px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(30px, 7vw, 54px);
  line-height: 1.12;
  letter-spacing: -0.02em;
  color: var(--ink-900);
  border-left: 6px solid var(--action-500);
  padding-left: 16px;
  max-width: 20ch;
}

.page-news .news-masthead__lede {
  margin: 0;
  max-width: 40em;
  font-size: var(--text-body);
  line-height: 1.85;
  color: var(--ink-700);
}

.page-news .news-figures {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  margin: 32px 0 0;
  border-top: 2px solid var(--ink-900);
}

.page-news .news-figures__item {
  padding: 14px 12px 14px 0;
  border-bottom: var(--news-hair);
}

.page-news .news-figures__key {
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--ink-500);
}

.page-news .news-figures__val {
  margin: 6px 0 0;
  font-size: 15px;
  color: var(--ink-900);
}

.page-news .news-figures__num {
  font-size: 26px;
  font-weight: 700;
  color: var(--ink-900);
  margin-right: 4px;
}

/* ---------- 目录条 ---------- */
.page-news .news-toc {
  background: var(--ink-900);
  border-top: 2px solid var(--ink-900);
  border-bottom: 4px solid var(--path-400);
}

.page-news .news-toc__inner {
  display: flex;
  align-items: center;
  gap: 14px;
  padding-block: 12px;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.page-news .news-toc__label {
  flex: 0 0 auto;
  font-size: 11px;
  letter-spacing: 0.22em;
  color: var(--path-400);
}

.page-news .news-toc__list {
  display: flex;
  gap: 10px;
  margin: 0;
  padding: 0;
  list-style: none;
  flex: 0 0 auto;
}

.page-news .news-toc__link {
  display: inline-block;
  padding: 6px 12px;
  font-size: 13px;
  color: var(--paper-100);
  text-decoration: none;
  border: 1px solid rgba(245, 238, 226, 0.35);
  border-radius: var(--news-radius);
  white-space: nowrap;
  transition: background-color 160ms ease-out, color 160ms ease-out, border-color 160ms ease-out;
}

.page-news .news-toc__link:hover,
.page-news .news-toc__link:focus-visible {
  background: var(--path-400);
  border-color: var(--path-400);
  color: var(--ink-900);
}

/* ---------- 通用章节头 ---------- */
.page-news .news-head {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 14px;
  align-items: start;
}

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

.page-news .news-head__body .section-title {
  margin: 6px 0 10px;
}

/* ---------- 时间轴 ---------- */
.page-news .news-axis__figure {
  margin: 35px 0 0;
}

.page-news .news-axis__figure .media__frame {
  border: 2px solid var(--ink-900);
  background: var(--paper-300);
}

.page-news .news-axis {
  margin: 32px 0 0;
  padding: 0;
  list-style: none;
  border-top: 2px solid var(--ink-900);
}

.page-news .news-axis__item {
  position: relative;
  padding: 22px 16px 22px 20px;
  border-bottom: var(--news-hair);
  border-left: 6px solid var(--ink-500);
  background: var(--paper-100);
  transition: background-color 180ms ease-out;
}

.page-news .news-axis__item--version { border-left-color: var(--news-c-version); }
.page-news .news-axis__item--guide   { border-left-color: var(--news-c-guide); }
.page-news .news-axis__item--device  { border-left-color: var(--news-c-device); }

.page-news .news-axis__item:hover {
  background: var(--path-200);
}

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

.page-news .news-axis__num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 52px;
  height: 38px;
  padding-inline: 10px;
  font-size: 19px;
  font-weight: 700;
  color: var(--ink-900);
  background: var(--paper-300);
  border: 2px solid var(--ink-900);
  border-radius: var(--news-radius);
}

.page-news .news-axis__item--version .news-axis__num { background: var(--path-400); }
.page-news .news-axis__item--guide   .news-axis__num { background: #BFE7D5; }
.page-news .news-axis__item--device  .news-axis__num { background: #F2DFA8; }

.page-news .news-axis__tag {
  font-size: 12px;
  letter-spacing: 0.08em;
}

.page-news .news-axis__when {
  font-size: 12px;
  color: var(--ink-500);
}

.page-news .news-axis__title {
  margin: 14px 0 8px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 21px;
  line-height: 1.35;
  color: var(--ink-900);
}

.page-news .news-axis__text {
  margin: 0;
  max-width: 38em;
  font-size: 16px;
  line-height: 1.8;
  color: var(--ink-700);
}

.page-news .news-axis__impact {
  margin: 14px 0 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--ink-500);
  border-top: 1px dashed var(--paper-300);
  padding-top: 10px;
}

.page-news .news-axis__impact-key {
  display: inline-block;
  margin-right: 10px;
  color: var(--ink-900);
  letter-spacing: 0.06em;
}

/* ---------- 分类索引 ---------- */
.page-news .news-cats .news-cats__intro {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 22px;
  margin-top: 34px;
  align-items: center;
}

.page-news .news-cats__figure {
  margin: 0;
}

.page-news .news-cats__figure .media__frame {
  border: 2px solid var(--path-400);
  background: rgba(53, 224, 212, 0.08);
}

.page-news .news-cats__note {
  color: var(--paper-100);
  font-size: 16px;
  line-height: 1.85;
}

.page-news .news-cats__note p {
  margin: 0 0 12px;
}

.page-news .news-cats__note-sub {
  color: var(--path-200);
  font-size: 14px;
  border-left: 4px solid var(--action-500);
  padding-left: 12px;
}

.page-news .news-cats__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 16px;
  margin-top: 28px;
}

.page-news .news-cat {
  padding: 20px;
  background: rgba(245, 238, 226, 0.06);
  border: 1px solid rgba(168, 241, 234, 0.3);
  border-left: 4px solid var(--news-c-version);
  border-radius: var(--news-radius);
  transition: background-color 180ms ease-out, border-color 180ms ease-out;
}

.page-news .news-cat--version { border-left-color: var(--news-c-version); }
.page-news .news-cat--rights  { border-left-color: var(--news-c-rights); }
.page-news .news-cat--guide   { border-left-color: var(--news-c-guide); }
.page-news .news-cat--device  { border-left-color: var(--news-c-device); }

.page-news .news-cat:hover {
  background: rgba(53, 224, 212, 0.12);
  border-color: var(--path-400);
}

.page-news .news-cat__label {
  margin: 0;
  font-size: 11px;
  letter-spacing: 0.2em;
  color: var(--path-400);
}

.page-news .news-cat__title {
  margin: 10px 0 10px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 20px;
  color: var(--paper-100);
}

.page-news .news-cat__text {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: rgba(245, 238, 226, 0.85);
}

.page-news .news-cat__sample {
  margin: 14px 0 0;
  padding-top: 12px;
  border-top: 1px solid rgba(168, 241, 234, 0.24);
  font-size: 13px;
  line-height: 1.7;
  color: var(--path-200);
}

/* ---------- 发布节奏 ---------- */
.page-news .news-cadence__body {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 26px;
  margin-top: 34px;
}

.page-news .news-cadence__list {
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: 2px solid var(--ink-900);
}

.page-news .news-cadence__row {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 6px;
  padding: 15px 0;
  border-bottom: var(--news-hair);
}

.page-news .news-cadence__key {
  font-size: 13px;
  letter-spacing: 0.04em;
  color: var(--ink-900);
  font-weight: 700;
}

.page-news .news-cadence__val {
  font-size: 15px;
  line-height: 1.8;
  color: var(--ink-700);
}

.page-news .news-cadence__plate {
  align-self: start;
  border-left: 4px solid var(--action-500);
}

/* ---------- 历史归档 ---------- */
.page-news .news-archive__figure {
  margin: 34px 0 0;
}

.page-news .news-archive__figure .media__frame {
  border: 2px solid var(--ink-900);
  background: var(--paper-300);
}

.page-news .news-archive__dims {
  margin-top: 28px;
  border-top: 2px solid var(--ink-900);
}

.page-news .news-archive__dim {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 6px;
  padding: 15px 0;
  border-bottom: var(--news-hair);
}

.page-news .news-archive__dim-key {
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.06em;
  color: var(--ink-900);
}

.page-news .news-archive__dim-val {
  font-size: 15px;
  line-height: 1.8;
  color: var(--ink-700);
}

/* ---------- 版本脉络 ---------- */
.page-news .news-versions__figure {
  margin: 34px 0 0;
}

.page-news .news-versions__figure .media__frame {
  border: 2px solid var(--path-400);
  background: rgba(53, 224, 212, 0.07);
}

.page-news .news-versions__track {
  display: flex;
  gap: 0;
  margin: 30px 0 0;
  padding: 0;
  list-style: none;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  border-top: 3px solid var(--path-400);
  border-bottom: 1px solid rgba(168, 241, 234, 0.28);
  scroll-snap-type: x proximity;
}

.page-news .news-versions__item {
  flex: 0 0 208px;
  scroll-snap-align: start;
  padding: 18px 16px 20px;
  border-right: 1px dashed rgba(168, 241, 234, 0.3);
}

.page-news .news-versions__step {
  display: block;
  font-size: 22px;
  font-weight: 700;
  color: var(--path-400);
  letter-spacing: -0.02em;
}

.page-news .news-versions__text {
  margin: 10px 0 0;
  font-size: 14px;
  line-height: 1.75;
  color: rgba(245, 238, 226, 0.85);
}

.page-news .news-versions__highlights {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 16px;
  margin-top: 28px;
}

.page-news .news-versions__highlights .card {
  background: var(--paper-100);
}

.page-news .news-versions__highlights .card__label {
  font-size: 11px;
  letter-spacing: 0.16em;
}

.page-news .news-versions__highlights .arrow-link {
  color: var(--ink-900);
}

/* ---------- 提醒与订阅 ---------- */
.page-news .news-alert {
  border-bottom: 6px solid var(--action-500);
}

.page-news .news-alert__tiers {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 14px;
  margin: 34px 0 0;
  padding: 0;
  list-style: none;
}

.page-news .news-alert__tier {
  padding: 18px 18px 20px;
  background: rgba(245, 238, 226, 0.06);
  border: 1px solid rgba(168, 241, 234, 0.28);
  border-top: 4px solid var(--path-400);
  border-radius: var(--news-radius);
}

.page-news .news-alert__tier-name {
  margin: 0;
  font-size: 18px;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--path-400);
}

.page-news .news-alert__tier-text {
  margin: 12px 0 0;
  font-size: 15px;
  line-height: 1.8;
  color: rgba(245, 238, 226, 0.85);
}

.page-news .news-alert__cta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 14px;
  margin-top: 30px;
  padding-top: 24px;
  border-top: 1px solid rgba(168, 241, 234, 0.28);
}

.page-news .news-alert__link {
  color: var(--path-200);
  font-size: 14px;
}

.page-news .news-alert__link:hover,
.page-news .news-alert__link:focus-visible {
  color: var(--paper-100);
}

/* ---------- 图片统一处理 ---------- */
.page-news .media img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
}

.page-news .media__frame {
  overflow: hidden;
}

/* ---------- 焦点态 ---------- */
.page-news a:focus-visible {
  outline: 2px solid var(--action-500);
  outline-offset: 2px;
}

/* ---------- 响应式 ---------- */
@media (min-width: 620px) {
  .page-news .news-figures {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-news .news-figures__item {
    padding: 16px 16px 16px 0;
    border-bottom: none;
    border-right: var(--news-hair);
  }

  .page-news .news-figures__item:last-child {
    border-right: none;
  }

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

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

  .page-news .news-cadence__row {
    grid-template-columns: 140px minmax(0, 1fr);
    gap: 18px;
    align-items: baseline;
  }

  .page-news .news-archive__dim {
    grid-template-columns: 140px minmax(0, 1fr);
    gap: 18px;
    align-items: baseline;
  }
}

@media (min-width: 900px) {
  .page-news .news-masthead {
    padding-block: 32px 0;
  }

  .page-news .news-head {
    gap: 24px;
  }

  .page-news .news-cats__intro {
    grid-template-columns: 300px minmax(0, 1fr);
    gap: 34px;
  }

  .page-news .news-cadence__body {
    grid-template-columns: minmax(0, 1.55fr) minmax(0, 1fr);
    gap: 40px;
  }

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

  .page-news .news-axis__item {
    padding: 26px 26px 26px 24px;
  }
}

@media (min-width: 1120px) {
  .page-news .news-cats__grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-news .news-axis__item {
    display: grid;
    grid-template-columns: minmax(0, 1fr);
    gap: 0;
  }

  .page-news .news-axis__title {
    font-size: 23px;
  }
}
<<<END>>>