.page-news {
  --news-line: rgba(143, 168, 179, 0.35);
  --news-soft: rgba(111, 149, 168, 0.12);
}

/* ---------- 首屏 ---------- */
.page-news .news-hero {
  position: relative;
  overflow: hidden;
  padding-block: 28px 36px;
  background:
    radial-gradient(120% 90% at 92% 6%, rgba(49, 200, 184, 0.16), transparent 58%),
    radial-gradient(90% 80% at 4% 96%, rgba(242, 163, 58, 0.14), transparent 56%),
    var(--paper);
  border-bottom: 1px solid var(--news-line);
}

.page-news .breadcrumb-list {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin: 0 0 24px;
  padding: 0;
  list-style: none;
  font-size: 13px;
  color: var(--slate);
}

.page-news .news-hero__title {
  margin: 16px 0 0;
  max-width: 22ch;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(28px, 7vw, 52px);
  line-height: 1.14;
  letter-spacing: -0.01em;
  color: var(--ink);
}

.page-news .news-hero__lead {
  margin: 20px 0 0;
  max-width: 40em;
  font-size: 16px;
  line-height: 1.8;
  color: var(--ink-76);
}

.page-news .news-hero__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 28px 0 0;
  padding: 0;
  list-style: none;
}

.page-news .news-meta-chip {
  display: inline-block;
  padding: 5px 11px;
  border: 1px solid var(--news-line);
  border-radius: var(--radius-s);
  background: rgba(247, 242, 232, 0.7);
  font-size: 12px;
  color: var(--slate);
}

/* ---------- 区块节奏 ---------- */
.page-news .news-section {
  padding-block: 40px;
}

.page-news .news-section--series {
  background: rgba(111, 149, 168, 0.09);
}

.page-news .news-section--follow {
  padding-block: 32px 56px;
}

/* ---------- 头条 ---------- */
.page-news .headline {
  display: grid;
  overflow: hidden;
  border: 1px solid rgba(49, 200, 184, 0.2);
  border-radius: var(--radius-l) var(--radius-s) var(--radius-l) var(--radius-s);
  background: var(--night);
  color: var(--paper);
}

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

.page-news .headline__art img {
  display: block;
  width: 100%;
  height: auto;
}

.page-news .headline__body {
  display: grid;
  gap: 14px;
  align-content: center;
  padding: 24px;
}

.page-news .headline__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(21px, 4vw, 32px);
  line-height: 1.28;
  color: var(--paper);
}

.page-news .headline__text {
  margin: 0;
  max-width: 36em;
  font-size: 15px;
  line-height: 1.8;
  color: var(--paper-80);
}

.page-news .headline__points {
  display: grid;
  gap: 8px;
  margin: 2px 0 0;
  padding: 0;
  list-style: none;
}

.page-news .headline__points li {
  position: relative;
  padding-left: 18px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--paper-70);
}

.page-news .headline__points li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.68em;
  width: 8px;
  height: 2px;
  background: var(--aqua);
}

.page-news .headline__body .btn {
  justify-self: start;
  margin-top: 6px;
}

/* ---------- 目录 ---------- */
.page-news .news-catalog {
  display: grid;
  gap: 28px;
  margin-top: 28px;
}

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

.page-news .cat-rail__link {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 14px;
  min-width: 104px;
  padding: 9px 12px;
  border: 1px solid var(--news-line);
  border-radius: var(--radius-s);
  background: transparent;
  color: var(--slate);
  font-size: 14px;
  text-decoration: none;
  transition: background var(--t-fast) var(--ease), color var(--t-fast) var(--ease), border-color var(--t-fast) var(--ease);
}

.page-news .cat-rail__link .mono {
  font-size: 12px;
  color: var(--mist);
  transition: color var(--t-fast) var(--ease);
}

.page-news .cat-rail__link:hover,
.page-news .cat-rail__link:focus-visible {
  background: var(--night);
  border-color: var(--night);
  color: var(--paper);
}

.page-news .cat-rail__link:hover .mono,
.page-news .cat-rail__link:focus-visible .mono {
  color: var(--aqua);
}

.page-news .cat-rail__link:focus-visible {
  outline: 2px solid var(--amber);
  outline-offset: 2px;
}

.page-news .cat-block {
  scroll-margin-top: 96px;
}

.page-news .cat-block + .cat-block {
  margin-top: 36px;
}

.page-news .cat-block__title {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin: 0 0 10px;
  font-family: var(--font-ui);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.16em;
  color: var(--slate);
}

.page-news .cat-block__title::before {
  content: "";
  width: 14px;
  height: 2px;
  background: var(--amber);
}

.page-news .cat-block__media {
  margin: 0 0 18px;
  overflow: hidden;
  border: 1px solid var(--news-line);
  border-radius: var(--radius-m) var(--radius-s) var(--radius-m) var(--radius-s);
}

.page-news .cat-block__media img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 7;
  object-fit: cover;
}

/* ---------- 条目 ---------- */
.page-news .entry {
  border-top: 1px solid var(--news-line);
}

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

.page-news .entry__head {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto auto;
  grid-template-areas: "tag title time ind";
  align-items: center;
  gap: 10px;
  padding: 16px 0;
  list-style: none;
  cursor: pointer;
}

.page-news .entry__head::-webkit-details-marker {
  display: none;
}

.page-news .entry__head::marker {
  content: "";
}

.page-news .entry__head::after {
  content: "＋";
  grid-area: ind;
  font-family: var(--font-mono);
  font-size: 15px;
  line-height: 1;
  color: var(--mist);
  transition: color var(--t-fast) var(--ease);
}

.page-news .entry[open] .entry__head::after {
  content: "－";
  color: var(--amber);
}

.page-news .entry__tag {
  grid-area: tag;
}

.page-news .entry__title {
  grid-area: title;
  font-family: var(--font-display);
  font-size: 16px;
  font-weight: 600;
  line-height: 1.45;
  color: var(--ink);
  transition: color var(--t-fast) var(--ease);
}

.page-news .entry__head:hover .entry__title {
  color: var(--slate);
}

.page-news .entry__time {
  grid-area: time;
  padding: 3px 8px;
  border-radius: 2px;
  background: rgba(49, 200, 184, 0.18);
  font-size: 12px;
  line-height: 1.5;
  color: var(--night);
  white-space: nowrap;
}

.page-news .entry__body {
  padding: 0 0 20px;
}

.page-news .entry__body p {
  margin: 0;
  max-width: 40em;
  font-size: 15px;
  line-height: 1.8;
  color: var(--ink-76);
}

/* ---------- 专题系列 ---------- */
.page-news .series-list {
  display: grid;
  gap: 16px;
  margin-top: 24px;
}

.page-news .series {
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: 22px;
  border: 1px solid var(--news-line);
  border-radius: var(--radius-l) var(--radius-s) var(--radius-m) var(--radius-s);
  background: var(--paper);
  transition: transform var(--t-fast) var(--ease), box-shadow var(--t-fast) var(--ease);
}

.page-news .series:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 26px rgba(11, 31, 42, 0.1);
}

.page-news .series__track {
  display: block;
  width: 100%;
  height: 28px;
}

.page-news .series__track .track-line {
  fill: none;
  stroke: var(--line);
  stroke-width: 1.5;
  stroke-dasharray: 5 5;
}

.page-news .series__track .track-dot--mist {
  fill: var(--mist);
}

.page-news .series__track .track-dot--aqua {
  fill: var(--aqua);
}

.page-news .series__track .track-dot--amber {
  fill: var(--amber);
}

.page-news .series__title {
  margin: 0;
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 600;
  line-height: 1.4;
  color: var(--ink);
}

.page-news .series__text {
  margin: 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--ink-76);
}

.page-news .series__meta {
  margin: auto 0 0;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--mist);
}

/* ---------- 索引节奏 ---------- */
.page-news .index-band {
  display: grid;
  overflow: hidden;
  border-radius: var(--radius-l) var(--radius-s) var(--radius-l) var(--radius-s);
  background: var(--night);
  color: var(--paper);
}

.page-news .index-band__art {
  margin: 0;
}

.page-news .index-band__art img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 2 / 1;
  object-fit: cover;
}

.page-news .index-band__body {
  display: grid;
  gap: 14px;
  align-content: center;
  padding: 24px;
}

.page-news .index-band__title {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(20px, 3.6vw, 28px);
  font-weight: 700;
  line-height: 1.35;
  color: var(--paper);
}

.page-news .index-band__text {
  margin: 0;
  max-width: 36em;
  font-size: 15px;
  line-height: 1.8;
  color: var(--paper-80);
}

.page-news .index-stats {
  display: flex;
  flex-wrap: wrap;
  gap: 14px 30px;
  margin: 6px 0 0;
  padding: 0;
  list-style: none;
}

.page-news .index-stats li {
  display: grid;
  gap: 4px;
}

.page-news .index-stats .num {
  font-family: var(--font-mono);
  font-size: 28px;
  font-weight: 700;
  line-height: 1;
  color: var(--aqua);
}

.page-news .index-stats .lbl {
  font-size: 12px;
  color: var(--paper-70);
}

/* ---------- 收藏入口 ---------- */
.page-news .follow-panel {
  display: grid;
  gap: 20px;
  padding: 26px 24px;
  border: 1px solid rgba(242, 163, 58, 0.36);
  border-radius: var(--radius-m) var(--radius-l) var(--radius-m) var(--radius-l);
  background: linear-gradient(140deg, rgba(255, 217, 160, 0.6), rgba(255, 217, 160, 0.22));
}

.page-news .follow-panel__title {
  margin: 0 0 10px;
  font-family: var(--font-display);
  font-size: clamp(20px, 3.4vw, 26px);
  font-weight: 700;
  line-height: 1.35;
  color: var(--ink);
}

.page-news .follow-panel__text {
  margin: 0;
  max-width: 38em;
  font-size: 15px;
  line-height: 1.8;
  color: var(--ink-76);
}

.page-news .follow-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-content: start;
}

.page-news .follow-note {
  margin: 18px 0 0;
  font-size: 13px;
  line-height: 1.8;
  color: var(--slate);
}

/* ---------- 平板 ---------- */
@media (min-width: 640px) {
  .page-news .news-section {
    padding-block: 52px;
  }

  .page-news .headline__body {
    padding: 32px;
  }

  .page-news .series-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 18px;
  }

  .page-news .follow-panel {
    padding: 32px;
  }
}

/* ---------- 桌面 ---------- */
@media (min-width: 860px) {
  .page-news .headline {
    grid-template-columns: 1.05fr 1fr;
    align-items: stretch;
  }

  .page-news .headline__art {
    display: flex;
    height: 100%;
  }

  .page-news .headline__art img {
    width: 100%;
    height: 100%;
    object-fit: cover;
  }

  .page-news .headline__body {
    padding: 40px;
  }

  .page-news .index-band {
    grid-template-columns: 1fr 1fr;
    align-items: stretch;
  }

  .page-news .index-band__art {
    display: flex;
  }

  .page-news .index-band__art img {
    width: 100%;
    height: 100%;
    min-height: 280px;
    aspect-ratio: auto;
    object-fit: cover;
  }

  .page-news .index-band__body {
    padding: 40px;
  }

  .page-news .follow-panel {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
    gap: 28px;
    padding: 36px 40px;
  }

  .page-news .follow-actions {
    justify-content: flex-end;
  }
}

@media (min-width: 960px) {
  .page-news .news-section {
    padding-block: 64px;
  }

  .page-news .news-catalog {
    grid-template-columns: 220px minmax(0, 1fr);
    gap: 56px;
    align-items: start;
    margin-top: 36px;
  }

  .page-news .cat-rail {
    position: sticky;
    top: 96px;
  }

  .page-news .cat-rail__list {
    flex-direction: column;
    flex-wrap: nowrap;
    gap: 2px;
  }

  .page-news .cat-rail__link {
    border-color: transparent;
    border-left: 3px solid var(--news-line);
    border-radius: 0 var(--radius-s) var(--radius-s) 0;
    min-width: 0;
  }

  .page-news .cat-rail__link:hover,
  .page-news .cat-rail__link:focus-visible {
    border-left-color: var(--amber);
    border-top-color: transparent;
    border-right-color: transparent;
    border-bottom-color: transparent;
  }

  .page-news .entry__title {
    font-size: 18px;
  }

  .page-news .series-list {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 20px;
    margin-top: 32px;
  }
}

/* ---------- 减少动效偏好 ---------- */
@media (prefers-reduced-motion: reduce) {
  .page-news .cat-rail__link,
  .page-news .entry__title,
  .page-news .entry__head::after,
  .page-news .series {
    transition: color var(--t-fast) linear, background-color var(--t-fast) linear;
  }

  .page-news .series:hover {
    transform: none;
  }
}
<<<END>>>