.page-news {
  --news-rule: rgba(124, 153, 172, .24);
  --news-rule-soft: rgba(124, 153, 172, .13);
  --news-panel: rgba(16, 42, 67, .48);
  overflow-x: hidden;
}

/* ---------- 面包屑 ---------- */
.page-news .crumbs {
  margin-top: 22px;
}

/* ---------- 刊物头 ---------- */
.page-news .news-masthead {
  padding: 26px 0 0;
  border-bottom: 1px solid var(--news-rule);
}

.page-news .news-masthead__title {
  margin: 12px 0 16px;
  max-width: 20ch;
  letter-spacing: -.01em;
}

.page-news .news-masthead__lede {
  max-width: 48ch;
  margin: 0;
  color: var(--slate);
  font-size: 16px;
  line-height: 1.78;
}

.page-news .news-masthead__facts {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 30px;
  margin: 24px 0 28px;
  padding: 14px 0;
  list-style: none;
  border-top: 1px solid var(--news-rule-soft);
  border-bottom: 1px solid var(--news-rule-soft);
  font-size: 13px;
  color: var(--slate);
}

.page-news .news-masthead__facts .num {
  display: inline-block;
  margin-right: 5px;
  color: var(--cyan);
  font-size: 19px;
  font-weight: 700;
}

.page-news .news-masthead__media {
  margin: 0 0 -1px;
  border-left: 0;
  border-right: 0;
}

/* ---------- 章节通用 ---------- */
.page-news .section__head {
  display: flex;
  align-items: baseline;
  gap: 14px;
}

.page-news .section__num {
  color: var(--cyan);
  font-size: 13px;
}

.page-news .news-section__lede {
  max-width: 46ch;
  margin: 6px 0 22px;
  color: var(--slate);
  font-size: 15px;
  line-height: 1.75;
}

/* ---------- 本期看点 ---------- */
.page-news .news-highlights__list {
  display: grid;
  gap: 12px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-news .news-brief {
  display: grid;
  gap: 9px;
  padding: 15px 17px;
  border: 1px solid var(--news-rule);
  border-left: 3px solid var(--cyan);
  background: var(--news-panel);
}

.page-news .news-brief__text {
  margin: 0;
  font-size: 15px;
  line-height: 1.7;
  color: var(--cold);
}

/* ---------- 条目区 ---------- */
.page-news .news-grid {
  display: grid;
  gap: 24px;
  align-items: start;
}

.page-news .news-index {
  border: 1px solid var(--news-rule);
  padding: 16px 16px 18px;
  background: var(--news-panel);
}

.page-news .news-index__kicker {
  margin: 0 0 12px;
  color: var(--slate);
}

.page-news .news-index__list {
  display: grid;
  gap: 6px;
  margin: 0;
  padding: 0;
  list-style: none;
}

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

.page-news .news-index .filter {
  display: block;
  width: 100%;
  padding: 9px 12px;
  border: 1px solid var(--news-rule);
  background: transparent;
  color: var(--cold);
  font-family: var(--font-body);
  font-size: 14px;
  line-height: 1.4;
  text-align: left;
  cursor: pointer;
  transition: background .18s var(--ease), color .18s var(--ease), border-color .18s var(--ease);
}

.page-news .news-index .filter:hover {
  border-color: var(--line-strong);
  color: var(--cyan);
}

.page-news .news-index .filter[aria-pressed="true"] {
  background: var(--cyan);
  border-color: var(--cyan);
  color: var(--ink-900);
  font-weight: 700;
}

.page-news .news-index__foot {
  margin-top: 16px;
  padding-top: 14px;
  border-top: 1px solid var(--news-rule-soft);
}

/* 条目流 */
.page-news .news-stream {
  min-width: 0;
}

.page-news .news-list {
  display: grid;
  gap: 14px;
}

.page-news .news-item {
  display: grid;
  grid-template-columns: 46px minmax(0, 1fr);
  border: 1px solid var(--news-rule);
  background: var(--news-panel);
  transition: border-color .18s var(--ease);
  animation: news-fade .18s var(--ease) both;
}

.page-news .news-item:hover {
  border-color: var(--line-strong);
}

.page-news .news-item__no {
  display: flex;
  justify-content: center;
  padding-top: 17px;
  border-right: 1px solid var(--news-rule-soft);
  color: var(--slate);
  font-size: 12px;
  transition: color .18s var(--ease);
}

.page-news .news-item:hover .news-item__no {
  color: var(--cyan);
}

.page-news .news-item__body {
  min-width: 0;
  padding: 15px 16px 16px;
}

.page-news .news-item__text {
  display: grid;
  gap: 8px;
}

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

.page-news .news-item__title {
  margin: 0;
  color: var(--cold);
  font-size: 17px;
  font-weight: 700;
  line-height: 1.45;
  letter-spacing: -.005em;
}

.page-news .news-item__excerpt {
  display: -webkit-box;
  margin: 0;
  overflow: hidden;
  color: var(--slate);
  font-size: 14px;
  line-height: 1.72;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
}

.page-news .news-item__time {
  margin: 0;
  color: var(--slate);
  font-size: 12px;
  letter-spacing: .02em;
}

.page-news .news-item__keys {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin: 2px 0 0;
}

.page-news .news-key {
  padding: 2px 8px;
  border: 1px solid var(--news-rule);
  color: var(--slate);
  font-size: 12px;
  line-height: 1.6;
  transition: color .18s var(--ease), border-color .18s var(--ease);
}

.page-news .news-item:hover .news-key {
  border-color: var(--line-strong);
  color: var(--cyan);
}

.page-news .news-item__media {
  margin: 14px 0 0;
}

/* 条目中部插图 */
.page-news .news-figure {
  margin: 34px 0 0;
}

/* ---------- 更新节律 ---------- */
.page-news .news-rhythm {
  display: grid;
  gap: 1px;
  margin: 0;
  padding: 0;
  list-style: none;
  border: 1px solid var(--news-rule);
  background: var(--news-rule-soft);
}

.page-news .news-rhythm__item {
  padding: 18px 18px 20px;
  background: var(--ink-900);
}

.page-news .news-rhythm__no {
  display: block;
  margin-bottom: 8px;
  color: var(--signal);
  font-size: 13px;
}

.page-news .news-rhythm__item .h-3 {
  margin: 0 0 8px;
}

.page-news .news-rhythm__item p {
  margin: 0;
  max-width: 42ch;
  color: var(--slate);
  font-size: 15px;
  line-height: 1.75;
}

/* ---------- 专题系列 ---------- */
.page-news .news-series__figure {
  margin: 4px 0 24px;
}

.page-news .news-series {
  align-items: stretch;
}

.page-news .news-series__card {
  display: grid;
  align-content: start;
  gap: 8px;
}

.page-news .news-series__text {
  margin: 0;
  color: var(--slate);
  font-size: 14px;
  line-height: 1.72;
}

.page-news .news-series__more {
  margin: 20px 0 0;
  color: var(--slate);
  font-size: 14px;
}

.page-news .news-link {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid var(--line-strong);
}

.page-news .news-link:hover {
  color: var(--cold);
}

/* ---------- 收尾入口 ---------- */
.page-news .news-cta {
  margin: 46px 0 64px;
  padding: 26px 22px 28px;
  border: 1px solid var(--news-rule);
  border-top: 3px solid var(--signal);
  background: linear-gradient(180deg, rgba(16, 42, 67, .62), rgba(10, 26, 42, .35));
}

.page-news .news-cta__title {
  margin: 0 0 10px;
  color: var(--cold);
}

.page-news .news-cta__text {
  max-width: 46ch;
  margin: 0 0 20px;
  color: var(--slate);
  font-size: 15px;
  line-height: 1.75;
}

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

/* ---------- 动效 ---------- */
@keyframes news-fade {
  from { opacity: 0; }
  to { opacity: 1; }
}

@media (prefers-reduced-motion: reduce) {
  .page-news .news-item {
    animation: none;
  }
}

/* ---------- 中等屏 ---------- */
@media (min-width: 720px) {
  .page-news .news-highlights__list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 14px;
  }

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

  .page-news .news-item--featured .news-item__body {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 288px;
    gap: 20px;
    align-items: start;
  }

  .page-news .news-item--featured .news-item__media {
    margin: 0;
  }

  .page-news .news-item--featured .news-item__title {
    font-size: 20px;
  }
}

/* ---------- 桌面 ---------- */
@media (min-width: 900px) {
  .page-news .news-grid {
    grid-template-columns: 234px minmax(0, 1fr);
    gap: 38px;
  }

  .page-news .news-index {
    position: sticky;
    top: 94px;
  }

  .page-news .news-stream {
    position: relative;
    padding-left: 24px;
  }

  .page-news .news-stream::before {
    content: "";
    position: absolute;
    left: 0;
    top: 2px;
    bottom: 2px;
    width: 6px;
    background: repeating-linear-gradient(to bottom, var(--news-rule) 0 1px, transparent 1px 22px);
  }

  .page-news .news-masthead__title {
    max-width: 24ch;
  }

  .page-news .news-cta {
    padding: 32px 30px 34px;
  }
}
<<<END>>>