.page-news {
  --news-rail-w: 236px;
  --news-block-gap: clamp(44px, 6vw, 88px);
  display: block;
  padding-bottom: clamp(56px, 8vw, 120px);
}

/* ── 面包屑与首屏 ───────────────────────────── */
.page-news .news-crumb {
  padding-top: clamp(26px, 5vw, 52px);
  padding-bottom: 10px;
}

.page-news .news-masthead {
  position: relative;
  padding-top: clamp(20px, 3vw, 38px);
  padding-bottom: clamp(34px, 5vw, 66px);
  border-bottom: 2px solid var(--line);
}

.page-news .news-masthead::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -2px;
  width: clamp(64px, 14vw, 180px);
  height: 6px;
  background: var(--cyan);
}

.page-news .news-masthead h1 {
  font-family: var(--font-head);
  font-weight: 800;
  font-size: clamp(30px, 5.4vw, 60px);
  line-height: 1.04;
  letter-spacing: -0.015em;
  color: var(--text);
  margin: 16px 0 0;
  max-width: 18ch;
}

.page-news .news-masthead__lede {
  margin: 22px 0 0;
  max-width: 64ch;
  font-size: 16px;
  line-height: 1.78;
  color: var(--text-dim);
}

.page-news .news-masthead__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}

/* ── 双栏外壳 ───────────────────────────────── */
.page-news .news-shell {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 40px;
  padding-top: clamp(38px, 5vw, 70px);
}

.page-news .news-rail,
.page-news .news-main {
  min-width: 0;
}

.page-news .news-rail__inner {
  display: grid;
  gap: 22px;
}

.page-news .news-rail__mark {
  margin: 0;
  max-width: 132px;
}

.page-news .news-rail__mark img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  border: 2px solid var(--line);
  background: var(--panel);
}

/* ── 目录索引 ───────────────────────────────── */
.page-news .news-index {
  display: grid;
  gap: 10px;
}

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

.page-news .news-index__link {
  display: inline-flex;
  align-items: baseline;
  gap: 8px;
  padding: 7px 12px;
  border: 1px solid var(--line-soft);
  border-radius: 999px;
  text-decoration: none;
  color: var(--text-dim);
  font-size: 13px;
  transition: color var(--ease), border-color var(--ease), background var(--ease);
}

.page-news .news-index__link:hover {
  color: var(--text);
  border-color: var(--line);
  background: var(--panel-2);
}

.page-news .news-index__link[aria-current="true"] {
  color: var(--cyan);
  border-color: var(--cyan);
  background: var(--panel-2);
}

.page-news .news-index__num {
  font-family: var(--font-num);
  font-size: 11px;
  letter-spacing: 0.04em;
  color: var(--mist);
}

.page-news .news-index__link[aria-current="true"] .news-index__num {
  color: var(--cyan);
}

/* ── 分类筛选 ───────────────────────────────── */
.page-news .news-filter {
  display: grid;
  gap: 10px;
  padding-top: 6px;
  border-top: 1px solid var(--line-soft);
}

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

.page-news .news-filter .chip,
.page-news .news-sub__picks .chip {
  font-size: 12px;
  letter-spacing: 0.08em;
  cursor: pointer;
}

/* ── 章节骨架 ───────────────────────────────── */
.page-news .news-block {
  padding-top: var(--news-block-gap);
}

.page-news .news-block:first-child {
  padding-top: 0;
}

.page-news .section-head {
  margin-bottom: clamp(22px, 3vw, 34px);
}

/* ── 本期头条 ───────────────────────────────── */
.page-news .news-lead {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 22px;
  padding: clamp(16px, 2.6vw, 26px);
  border: 2px solid var(--line);
  background: var(--panel);
  box-shadow: var(--shadow-hard);
}

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

.page-news .news-lead__media img {
  display: block;
  width: 100%;
  height: 100%;
  max-width: 100%;
  object-fit: cover;
}

.page-news .news-lead__title {
  font-family: var(--font-head);
  font-size: clamp(22px, 3.2vw, 32px);
  line-height: 1.2;
  margin: 12px 0 0;
  color: var(--text);
}

.page-news .news-lead__body p {
  margin: 12px 0 0;
  color: var(--text-dim);
  font-size: 15px;
  line-height: 1.78;
  max-width: 60ch;
}

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

.page-news .news-tag {
  display: inline-block;
  padding: 3px 9px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  font-family: var(--font-body);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--cyan);
  line-height: 1.6;
  white-space: nowrap;
}

.page-news .news-tag--gold {
  color: var(--gold);
  border-color: rgba(242, 193, 78, 0.4);
}

.page-news .news-link {
  display: inline-block;
  margin-top: 18px;
  padding-bottom: 2px;
  color: var(--cyan);
  font-size: 14px;
  font-weight: 600;
  text-decoration: none;
  background-image: linear-gradient(var(--cyan), var(--cyan));
  background-repeat: no-repeat;
  background-size: 0% 1px;
  background-position: left bottom;
  transition: background-size var(--ease), color var(--ease);
}

.page-news .news-link:hover {
  color: var(--cyan-dim);
  background-size: 100% 1px;
}

/* ── 公告摘要 ───────────────────────────────── */
.page-news .news-briefs {
  list-style: none;
  margin: 22px 0 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-news .news-briefs li {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 10px 14px;
  padding: 12px 16px;
  border-left: 2px solid var(--line);
  background: var(--panel-2);
  transition: border-color var(--ease);
}

.page-news .news-briefs li:hover {
  border-left-color: var(--cyan);
}

.page-news .news-briefs__text {
  flex: 1 1 240px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--text-dim);
}

/* ── 专栏条目列表 ───────────────────────────── */
.page-news .news-list {
  display: grid;
  border-top: 2px solid var(--line);
}

.page-news .news-item {
  position: relative;
  display: grid;
  grid-template-columns: 2.4rem minmax(0, 1fr);
  gap: 2px 14px;
  padding: 22px 0;
  border-bottom: 1px solid var(--line-soft);
  transition: border-color var(--ease);
}

.page-news .news-item::after {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  width: 0;
  height: 2px;
  background: var(--cyan);
  transition: width var(--ease);
}

.page-news .news-item:hover,
.page-news .news-item:focus-within {
  border-bottom-color: var(--line);
}

.page-news .news-item:hover::after,
.page-news .news-item:focus-within::after {
  width: 100%;
}

.page-news .news-item__num {
  font-family: var(--font-num);
  font-size: 13px;
  line-height: 2.1;
  letter-spacing: 0.04em;
  color: var(--mist);
  transition: color var(--ease);
}

.page-news .news-item:hover .news-item__num,
.page-news .news-item:focus-within .news-item__num {
  color: var(--cyan);
}

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

.page-news .news-item__time {
  font-family: var(--font-num);
  font-size: 12px;
  letter-spacing: 0.02em;
  color: var(--mist);
}

.page-news .news-item__title {
  font-family: var(--font-head);
  font-size: clamp(18px, 2.3vw, 24px);
  line-height: 1.32;
  margin: 8px 0 0;
}

.page-news .news-item__title a {
  color: var(--text);
  text-decoration: none;
  transition: color var(--ease);
}

.page-news .news-item__title a:hover {
  color: var(--cyan);
}

.page-news .news-item__desc {
  margin: 8px 0 0;
  color: var(--text-dim);
  font-size: 14px;
  line-height: 1.75;
  max-width: 66ch;
}

/* ── 历史交锋专题 ───────────────────────────── */
.page-news .news-h2h {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 26px;
}

.page-news .news-h2h__text h3 {
  font-family: var(--font-head);
  font-size: clamp(20px, 2.8vw, 28px);
  line-height: 1.24;
  margin: 0 0 14px;
  color: var(--text);
}

.page-news .news-h2h__text p {
  margin: 0 0 14px;
  color: var(--text-dim);
  font-size: 15px;
  line-height: 1.78;
  max-width: 58ch;
}

.page-news .news-h2h__media {
  margin: 0;
}

.page-news .news-h2h__media img {
  display: block;
  width: 100%;
  height: 100%;
  max-width: 100%;
  object-fit: cover;
}

/* ── 归档表 ─────────────────────────────────── */
.page-news .news-archive {
  display: grid;
  border-top: 2px solid var(--line);
}

.page-news .news-archive__row {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 6px;
  padding: 18px 0;
  border-bottom: 1px solid var(--line-soft);
  transition: background var(--ease), padding-left var(--ease);
}

.page-news .news-archive__row:hover {
  background: var(--panel-2);
  padding-left: 10px;
}

.page-news .news-archive__key {
  font-family: var(--font-num);
  font-size: 13px;
  letter-spacing: 0.04em;
  color: var(--gold);
}

.page-news .news-archive__val {
  font-size: 14px;
  line-height: 1.72;
  color: var(--text-dim);
  max-width: 62ch;
}

.page-news .news-archive__tag {
  justify-self: start;
  font-size: 11px;
  letter-spacing: 0.14em;
  padding: 3px 9px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  color: var(--mist);
  white-space: nowrap;
}

/* ── 更新节奏与订阅 ─────────────────────────── */
.page-news .news-sub {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 26px;
  padding: clamp(18px, 3vw, 32px);
  border: 2px solid var(--line);
  background: var(--panel);
  box-shadow: var(--shadow-soft);
}

.page-news .news-sub__body h3 {
  font-family: var(--font-head);
  font-size: clamp(20px, 2.6vw, 26px);
  line-height: 1.25;
  margin: 0 0 14px;
  color: var(--text);
}

.page-news .news-sub__body p {
  margin: 0 0 14px;
  font-size: 15px;
  line-height: 1.78;
  color: var(--text-dim);
  max-width: 58ch;
}

.page-news .news-sub__picks {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 4px 0 6px;
}

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

.page-news .news-sub__side {
  display: grid;
  gap: 18px;
  align-content: start;
  min-width: 0;
}

.page-news .news-sub__side .media {
  margin: 0;
}

.page-news .news-sub__side img {
  display: block;
  width: 100%;
  height: 100%;
  max-width: 100%;
  object-fit: cover;
}

.page-news .news-sub__stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(130px, 1fr));
  gap: 14px;
  margin: 0;
  padding-top: 16px;
  border-top: 1px solid var(--line-soft);
}

.page-news .news-sub__stats > div {
  display: grid;
  gap: 4px;
}

.page-news .news-sub__stats dt {
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--mist);
}

.page-news .news-sub__stats dd {
  margin: 0;
  display: flex;
  align-items: baseline;
  gap: 6px;
}

.page-news .news-sub__stats .data-unit {
  font-size: 11px;
  color: var(--mist);
}

/* ── 平板及以上 ─────────────────────────────── */
@media (min-width: 700px) {
  .page-news .news-lead {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 1fr);
    gap: 26px 30px;
    align-items: start;
  }

  .page-news .news-archive__row {
    grid-template-columns: 130px minmax(0, 1fr) 110px;
    gap: 20px;
    align-items: baseline;
  }

  .page-news .news-archive__tag {
    justify-self: end;
  }

  .page-news .news-h2h {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    gap: 34px;
    align-items: center;
  }
}

/* ── 桌面双栏 ──────────────────────────────── */
@media (min-width: 1024px) {
  .page-news .news-shell {
    grid-template-columns: var(--news-rail-w) minmax(0, 1fr);
    gap: clamp(44px, 5vw, 84px);
    align-items: start;
  }

  .page-news .news-rail__inner {
    position: sticky;
    top: 96px;
    max-height: calc(100vh - 124px);
    overflow-y: auto;
    padding-right: 4px;
  }

  .page-news .news-rail__inner::-webkit-scrollbar {
    width: 4px;
  }

  .page-news .news-rail__inner::-webkit-scrollbar-thumb {
    background: var(--line);
  }

  .page-news .news-index__list {
    display: grid;
    gap: 2px;
  }

  .page-news .news-index__link {
    display: flex;
    width: 100%;
    border: 1px solid transparent;
    border-left: 2px solid transparent;
    border-radius: 0;
    padding: 9px 10px;
    font-size: 14px;
  }

  .page-news .news-index__link:hover {
    border-color: transparent;
    border-left-color: var(--line);
  }

  .page-news .news-index__link[aria-current="true"] {
    border-color: transparent;
    border-left-color: var(--cyan);
  }

  .page-news .news-filter__chips {
    flex-direction: column;
    align-items: flex-start;
  }

  .page-news .news-filter .chip {
    width: 100%;
    text-align: left;
  }

  .page-news .news-sub {
    grid-template-columns: minmax(0, 1fr) minmax(0, 0.85fr);
    gap: 34px;
    align-items: start;
  }
}

/* ── 弱动效偏好 ─────────────────────────────── */
@media (prefers-reduced-motion: reduce) {
  .page-news .news-item::after,
  .page-news .news-archive__row,
  .page-news .news-link {
    transition: none;
  }

  .page-news .news-link {
    background-size: 100% 1px;
  }
}
<<<END>>>