.page-news {
  display: block;
}

/* ============ 卷首 ============ */
.page-news .news-masthead {
  position: relative;
  padding-top: 40px;
  overflow: hidden;
}

.page-news .news-masthead::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 5px;
  background: linear-gradient(
    90deg,
    var(--spring) 0 25%,
    var(--summer) 25% 50%,
    var(--autumn) 50% 75%,
    var(--winter) 75% 100%
  );
}

.page-news .news-masthead__grid {
  display: grid;
  gap: 30px;
  margin-top: 26px;
}

.page-news .news-masthead__label {
  display: flex;
  align-items: center;
  gap: 12px;
  margin: 0 0 18px;
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--ink);
}

.page-news .news-masthead__label-rule {
  flex: 0 0 auto;
  width: 48px;
  height: 1px;
  background: var(--autumn);
}

.page-news .news-masthead__title {
  margin: 0 0 20px;
  max-width: 20ch;
  letter-spacing: -0.02em;
}

.page-news .news-masthead__facts {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  margin: 30px 0 0;
  padding: 0;
  list-style: none;
  background: var(--line);
  border: 1px solid var(--line);
}

.page-news .news-masthead__facts li {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 14px 16px;
  background: var(--paper);
}

.page-news .news-masthead__k {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.04em;
  color: var(--ink);
  opacity: 0.62;
}

.page-news .news-masthead__v {
  font-size: 15px;
  font-weight: 600;
  color: var(--ink);
}

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

.page-news .news-masthead__figure {
  aspect-ratio: 14 / 9;
  border-left: 4px solid var(--autumn);
}

/* ============ 专题目录 ============ */
.page-news .news-topics__head {
  max-width: 62ch;
}

.page-news .news-index {
  display: grid;
  gap: 30px;
  margin-top: 34px;
}

.page-news .news-index__rail-title {
  margin: 0 0 12px;
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--ink);
  opacity: 0.55;
}

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

.page-news .news-index__stream {
  display: flex;
  flex-direction: column;
}

.page-news .news-entry {
  position: relative;
  padding: 24px 0 24px 18px;
  border-top: 1px solid var(--line);
}

.page-news .news-entry:last-child {
  border-bottom: 1px solid var(--line);
}

.page-news .news-entry::before {
  content: "";
  position: absolute;
  top: 26px;
  left: 0;
  width: 3px;
  height: 26px;
  background: var(--line);
}

.page-news .news-entry--spring::before { background: var(--spring); }
.page-news .news-entry--summer::before { background: var(--summer); }
.page-news .news-entry--autumn::before { background: var(--autumn); }
.page-news .news-entry--winter::before { background: var(--winter); }

.page-news .news-entry__meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin-bottom: 12px;
}

.page-news .news-entry__time {
  margin-left: auto;
  font-size: 12px;
  letter-spacing: 0.02em;
  color: var(--ink);
  opacity: 0.6;
}

.page-news .news-entry__title {
  margin: 0 0 10px;
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 700;
  line-height: 1.4;
  letter-spacing: -0.01em;
  color: var(--ink);
}

.page-news .news-entry__excerpt {
  margin: 0;
  max-width: 68ch;
  font-size: 15px;
  line-height: 1.75;
  color: var(--ink);
}

.page-news .news-entry__body {
  display: grid;
  gap: 20px;
}

.page-news .news-entry__figure {
  aspect-ratio: 3 / 2;
  border-bottom: 3px solid var(--season, var(--autumn));
}

/* ============ 版本日志 ============ */
.page-news .news-versions__head {
  max-width: 62ch;
}

.page-news .news-versions__grid {
  display: grid;
  gap: 32px;
  margin-top: 34px;
}

.page-news .news-versions__list {
  border-top: 1px solid var(--line);
}

.page-news .news-ver {
  border-bottom: 1px solid var(--line);
}

.page-news .news-ver__btn {
  display: flex;
  align-items: center;
  gap: 14px;
  width: 100%;
  padding: 18px 2px;
  text-align: left;
}

.page-news .news-ver__no {
  flex: 0 0 auto;
  min-width: 44px;
  font-size: 15px;
  font-weight: 600;
  letter-spacing: 0.04em;
  color: var(--autumn);
}

.page-news .news-ver__name {
  flex: 1 1 auto;
  font-family: var(--font-editorial);
  font-size: 16px;
  font-weight: 600;
  line-height: 1.5;
  color: var(--ink);
}

.page-news .news-ver__panel {
  padding: 0 2px 20px 60px;
}

.page-news .news-versions__figure {
  aspect-ratio: 3 / 2;
  border-top: 3px solid var(--autumn);
}

/* ============ 常见问题入口 ============ */
.page-news .news-help__inner {
  display: grid;
  gap: 24px;
}

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

.page-news .news-help__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-content: start;
}

/* ============ 订阅与联系 ============ */
.page-news .news-subscribe {
  background: var(--paper);
  border-top: 1px solid var(--line);
}

.page-news .news-subscribe__inner {
  display: grid;
  gap: 28px;
}

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

.page-news .news-subscribe__card {
  padding: 26px 22px;
  background: #fff;
  border: 1px solid var(--line);
  border-top: 4px solid var(--autumn);
}

.page-news .news-subscribe__card-label {
  margin: 0 0 10px;
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--ink);
  opacity: 0.6;
}

.page-news .news-subscribe__mail {
  margin: 0 0 6px;
  font-family: var(--font-mono);
  font-size: 15px;
  line-height: 1.6;
  letter-spacing: 0.01em;
  color: var(--ink);
  word-break: break-all;
}

.page-news .news-subscribe__hours {
  margin: 0 0 16px;
  font-size: 13px;
  color: var(--ink);
  opacity: 0.72;
}

.page-news .news-subscribe__tip {
  margin: 0 0 22px;
  padding: 12px 14px;
  font-size: 13px;
  line-height: 1.7;
  color: var(--ink);
  background: var(--autumn-soft);
  border-left: 3px solid var(--autumn);
}

/* ============ 响应式 ============ */
@media (min-width: 700px) {
  .page-news .news-entry__body {
    grid-template-columns: minmax(0, 1fr) minmax(0, 0.72fr);
    align-items: start;
    gap: 28px;
  }

  .page-news .news-help__inner {
    grid-template-columns: minmax(0, 1.6fr) minmax(0, 0.9fr);
    align-items: end;
    gap: 40px;
  }
}

@media (min-width: 980px) {
  .page-news .news-masthead {
    padding-top: 56px;
  }

  .page-news .news-masthead__grid {
    grid-template-columns: minmax(0, 1.2fr) minmax(0, 0.8fr);
    gap: 56px;
    align-items: end;
    margin-top: 44px;
  }

  .page-news .news-masthead__title {
    font-size: clamp(38px, 4.4vw, 58px);
  }

  .page-news .news-masthead__facts {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-news .news-index {
    grid-template-columns: 200px minmax(0, 1fr);
    gap: 52px;
    align-items: start;
  }

  .page-news .news-index__rail {
    position: sticky;
    top: 108px;
  }

  .page-news .news-index__filter {
    flex-direction: column;
    flex-wrap: nowrap;
  }

  .page-news .news-index__filter .sj-filter__btn {
    justify-content: space-between;
    width: 100%;
  }

  .page-news .news-entry {
    padding: 30px 0 30px 22px;
  }

  .page-news .news-entry__title {
    font-size: 23px;
  }

  .page-news .news-versions__grid {
    grid-template-columns: minmax(0, 1.35fr) minmax(0, 0.65fr);
    gap: 48px;
    align-items: start;
  }

  .page-news .news-subscribe__inner {
    grid-template-columns: minmax(0, 1.35fr) minmax(0, 0.65fr);
    gap: 48px;
    align-items: start;
  }
}

@media (min-width: 1200px) {
  .page-news .news-index {
    grid-template-columns: 216px minmax(0, 1fr);
    gap: 64px;
  }
}

.page-news .news-entry[data-reveal] {
  transition: opacity var(--dur) var(--ease), transform var(--dur) var(--ease);
}
<<<END>>>