.page-news {
  --news-rule: 1px solid var(--line);
}

/* ---------- 页面头部 ---------- */
.page-news .crumbs-wrap {
  padding-top: 22px;
}

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

.page-news .page-head__title {
  letter-spacing: 0.02em;
}

.page-news .page-head__lede {
  max-width: 62ch;
  margin-top: 12px;
  color: var(--steel);
}

/* ---------- 置顶维护条 ---------- */
.page-news .maint {
  position: relative;
  background: var(--ink-2);
  border-top: var(--news-rule);
  border-bottom: var(--news-rule);
}

.page-news .maint::before {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  top: 0;
  height: 1px;
  background: linear-gradient(90deg, var(--red), var(--amber) 52%, transparent 92%);
}

.page-news .maint__inner {
  display: grid;
  gap: 16px;
  padding: 20px 0;
  align-items: center;
}

.page-news .maint__eyebrow {
  margin: 0 0 10px;
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--red);
}

.page-news .maint__line {
  margin: 0 0 5px;
  font-size: 14.5px;
  line-height: 1.7;
  color: var(--white);
}

.page-news .maint__k {
  display: inline-block;
  min-width: 92px;
  margin-right: 10px;
  font-size: 13px;
  color: var(--steel);
}

.page-news .maint__v--key {
  font-family: var(--font-mono);
  letter-spacing: 0.05em;
  color: var(--amber);
}

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

.page-news .maint__art img {
  display: block;
  width: 100%;
  height: 148px;
  object-fit: cover;
  border: var(--news-rule);
  border-radius: var(--radius-sm);
}

/* ---------- 关注点导航 ---------- */
.page-news .filter-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  padding: 22px 0 4px;
}

.page-news .filter-bar .chip {
  text-decoration: none;
  white-space: nowrap;
}

.page-news .filter-bar .chip:hover,
.page-news .filter-bar .chip:focus-visible {
  color: var(--white);
}

/* ---------- 条目流 ---------- */
.page-news .feed {
  padding: 30px 0 8px;
}

.page-news .log-list {
  list-style: none;
  margin: 26px 0 0;
  padding: 0;
  border-top: var(--news-rule);
}

.page-news .log {
  position: relative;
  padding: 22px 0 22px 18px;
  border-bottom: var(--news-rule);
}

.page-news .log::before {
  content: "";
  position: absolute;
  left: 0;
  top: 26px;
  width: 2px;
  height: 26px;
  background: var(--amber);
  transform: scaleY(0);
  transform-origin: top center;
  transition: transform 0.22s ease;
}

.page-news .log:hover::before,
.page-news .log:focus-within::before {
  transform: scaleY(1);
}

.page-news .log__meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  margin: 0 0 10px;
}

.page-news .log__time {
  font-size: 13px;
  letter-spacing: 0.06em;
  color: var(--amber);
}

.page-news .log__title {
  margin: 0 0 9px;
  font-size: 19px;
  line-height: 1.5;
  font-weight: 700;
  letter-spacing: 0.01em;
  color: var(--white);
}

.page-news .log__lede {
  margin: 0;
  max-width: 56ch;
  font-size: 15px;
  line-height: 1.85;
  color: var(--steel);
}

.page-news .log__more {
  margin-top: 10px;
}

.page-news .log__more .disclosure__body p {
  margin: 0 0 10px;
  max-width: 58ch;
  font-size: 15px;
  line-height: 1.85;
  color: var(--steel);
}

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

.page-news .log__more .disclosure__body a {
  color: var(--teal);
  text-decoration: none;
  border-bottom: 1px solid rgba(47, 217, 179, 0.32);
  padding-bottom: 1px;
}

.page-news .log__more .disclosure__body a:hover {
  color: var(--amber);
  border-bottom-color: rgba(255, 179, 71, 0.5);
}

/* ---------- 主题系列 ---------- */
.page-news .series {
  padding: 46px 0 14px;
}

.page-news .series-row {
  display: grid;
  gap: 18px;
  padding: 28px 0;
  border-bottom: var(--news-rule);
}

.page-news .series-row__idx {
  font-size: 12px;
  letter-spacing: 0.18em;
  color: var(--teal);
}

.page-news .series-row__title {
  margin: 8px 0 0;
  font-size: 21px;
  line-height: 1.4;
  font-weight: 700;
  color: var(--white);
}

.page-news .series-row__note {
  margin: 7px 0 0;
  font-size: 13px;
  letter-spacing: 0.04em;
  color: var(--steel);
}

.page-news .series-row__body > p {
  margin: 0 0 14px;
  max-width: 58ch;
  font-size: 15px;
  line-height: 1.85;
  color: var(--steel);
}

.page-news .series-row__pts {
  list-style: none;
  margin: 0 0 16px;
  padding: 0;
  display: grid;
  gap: 9px;
}

.page-news .series-row__pts li {
  position: relative;
  padding-left: 18px;
  font-size: 14.5px;
  line-height: 1.7;
  color: var(--white);
}

.page-news .series-row__pts li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.72em;
  width: 9px;
  height: 1px;
  background: var(--amber);
}

.page-news .series-row__links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 20px;
  margin: 0;
}

.page-news .series-row__links a {
  font-size: 14px;
  color: var(--teal);
  text-decoration: none;
  border-bottom: 1px solid rgba(47, 217, 179, 0.3);
  padding-bottom: 1px;
}

.page-news .series-row__links a:hover {
  color: var(--amber);
  border-bottom-color: rgba(255, 179, 71, 0.5);
}

.page-news .series-row__art {
  margin: 0;
}

.page-news .series-row__art img {
  display: block;
  width: 100%;
  height: auto;
  border: var(--news-rule);
  border-radius: var(--radius-sm);
}

/* ---------- 更新节奏 ---------- */
.page-news .cadence {
  margin-top: 44px;
  padding: 46px 0 52px;
  background: var(--ink-2);
  border-top: var(--news-rule);
  border-bottom: var(--news-rule);
}

.page-news .cadence__inner {
  display: grid;
  gap: 30px;
}

.page-news .cadence__list {
  margin: 24px 0 0;
  padding: 0;
}

.page-news .cadence__item {
  padding: 16px 0;
  border-top: var(--news-rule);
}

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

.page-news .cadence__term {
  margin: 0 0 7px;
  font-size: 15.5px;
  font-weight: 700;
  letter-spacing: 0.01em;
  color: var(--white);
}

.page-news .cadence__term .num {
  margin-left: 8px;
  font-size: 15px;
  color: var(--amber);
}

.page-news .cadence__desc {
  margin: 0;
  max-width: 56ch;
  font-size: 15px;
  line-height: 1.85;
  color: var(--steel);
}

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

.page-news .cadence__art img {
  display: block;
  width: 100%;
  height: auto;
  border: var(--news-rule);
  border-radius: var(--radius);
}

.page-news .cadence__cap {
  margin: 12px 0 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--steel);
}

/* ---------- 更新入口 ---------- */
.page-news .follow {
  padding: 46px 0 62px;
}

.page-news .follow__panel {
  padding: 28px 22px;
}

.page-news .follow__note {
  margin: 18px 0 0;
  max-width: 60ch;
  font-size: 14.5px;
  line-height: 1.85;
  color: var(--steel);
}

.page-news .follow__mail {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
  margin: 18px 0 0;
}

.page-news .follow__mail .mono {
  font-size: 15.5px;
  letter-spacing: 0.04em;
  color: var(--amber);
  word-break: break-all;
}

.page-news .follow__links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 22px;
  margin: 20px 0 0;
}

.page-news .follow__links a {
  font-size: 14px;
  color: var(--teal);
  text-decoration: none;
  border-bottom: 1px solid rgba(47, 217, 179, 0.3);
  padding-bottom: 1px;
}

.page-news .follow__links a:hover {
  color: var(--amber);
  border-bottom-color: rgba(255, 179, 71, 0.5);
}

/* ---------- 窄屏与桌面 ---------- */
@media (min-width: 700px) {
  .page-news .maint__art img {
    height: 176px;
  }

  .page-news .follow__panel {
    padding: 38px 34px;
  }
}

@media (min-width: 860px) {
  .page-news .maint {
    position: sticky;
    top: var(--header-h);
    z-index: 6;
  }

  .page-news .maint__inner {
    grid-template-columns: minmax(0, 1fr) 250px;
    gap: 32px;
    padding: 18px 0;
  }

  .page-news .maint__art img {
    height: 138px;
  }

  .page-news .log {
    display: grid;
    grid-template-columns: 160px minmax(0, 1fr);
    gap: 26px;
    padding: 26px 0 26px 20px;
  }

  .page-news .log > .log__meta {
    flex-direction: column;
    align-items: flex-start;
    gap: 9px;
    margin: 3px 0 0;
  }

  .page-news .log::before {
    top: 30px;
    height: 30px;
  }

  .page-news .log__title {
    font-size: 20px;
  }
}

@media (min-width: 960px) {
  .page-news .series-row {
    grid-template-columns: 190px minmax(0, 1fr) 300px;
    gap: 34px;
    align-items: start;
    padding: 32px 0;
  }

  .page-news .series-row--plain {
    grid-template-columns: 190px minmax(0, 1fr);
  }

  .page-news .cadence__inner {
    grid-template-columns: minmax(0, 1.3fr) minmax(0, 0.7fr);
    gap: 48px;
    align-items: start;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-news .log::before {
    transition: none;
  }
}
</page_css>