.page-news {
  --news-surface: var(--ink-1);
  --news-deep: var(--ink-0);
  --news-pad: clamp(1rem, 3vw, 2rem);
  --news-edge: 1px solid var(--line);
}

/* ---------- 面包屑 ---------- */
.page-news .breadcrumbs {
  padding-top: calc(var(--header-h) + 1.25rem);
  padding-bottom: .35rem;
}
.page-news .breadcrumbs ol {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: .4rem;
  list-style: none;
  margin: 0;
  padding: 0;
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--muted);
}
.page-news .breadcrumbs a {
  color: var(--muted);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color .2s var(--ease), border-color .2s var(--ease);
}
.page-news .breadcrumbs a:hover {
  color: var(--accent);
  border-bottom-color: var(--accent);
}
.page-news .breadcrumbs .crumb + .crumb::before {
  content: "/";
  margin-right: .4rem;
  opacity: .4;
}
.page-news .breadcrumbs .crumb[aria-current="page"] {
  color: var(--fg);
  font-weight: 700;
}

/* ---------- 首屏 ---------- */
.page-news .news-cover {
  position: relative;
  padding-block: clamp(2rem, 6vw, 4.5rem) clamp(2.25rem, 6vw, 4.5rem);
  border-bottom: var(--news-edge);
}
.page-news .news-cover::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  width: 56%;
  height: 1px;
  background: linear-gradient(90deg, var(--accent), transparent);
  opacity: .7;
}
.page-news .eyebrow {
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--accent);
  margin: 0 0 1.1rem;
}
.page-news .news-cover h1 {
  font-family: var(--font-head);
  font-weight: 900;
  font-size: clamp(34px, 8.5vw, 74px);
  line-height: 1.02;
  letter-spacing: -.03em;
  margin: 0 0 1.15rem;
  color: var(--fg);
  max-width: 14ch;
}
.page-news .news-cover .lead {
  font-family: var(--font-body);
  font-size: clamp(15px, 1.75vw, 17px);
  line-height: 1.78;
  color: var(--muted);
  max-width: 64ch;
  margin: 0;
}
.page-news .cover-jump {
  display: flex;
  flex-wrap: wrap;
  gap: .6rem;
  list-style: none;
  margin: clamp(1.5rem, 4vw, 2.25rem) 0 0;
  padding: 0;
}
.page-news .cover-jump a {
  display: inline-flex;
  align-items: center;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: .02em;
  color: var(--fg);
  text-decoration: none;
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  padding: .55rem 1.05rem;
  transition: color .2s var(--ease), border-color .2s var(--ease), background-color .2s var(--ease);
}
.page-news .cover-jump a:hover {
  color: var(--ink-0);
  background: var(--accent);
  border-color: var(--accent);
}

/* ---------- 章节骨架 ---------- */
.page-news .chapter {
  position: relative;
  padding-block: clamp(2.5rem, 7vw, 5rem);
}
.page-news .chapter + .chapter {
  padding-top: clamp(1.5rem, 4vw, 2.5rem);
}
.page-news .chapter-band {
  display: block;
  height: 8px;
  width: min(100%, 620px);
  background: linear-gradient(90deg, var(--accent), rgba(255, 106, 26, .18) 55%, transparent);
  margin-bottom: clamp(1.25rem, 3vw, 2rem);
}
.page-news .chapter-head {
  padding-bottom: clamp(1.25rem, 3vw, 2rem);
}
.page-news .chapter-num {
  display: block;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .2em;
  color: var(--accent);
  margin-bottom: .6rem;
}
.page-news .chapter-title {
  font-family: var(--font-head);
  font-weight: 900;
  font-size: clamp(24px, 4.4vw, 40px);
  line-height: 1.12;
  letter-spacing: -.02em;
  color: var(--fg);
  margin: 0 0 .8rem;
}
.page-news .chapter-desc {
  font-family: var(--font-body);
  font-size: 15px;
  line-height: 1.75;
  color: var(--muted);
  max-width: 58ch;
  margin: 0;
}

/* ---------- 头条条目 ---------- */
.page-news .headline {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0;
  background: var(--news-surface);
  border: var(--news-edge);
  border-radius: var(--radius);
  overflow: hidden;
  margin-bottom: clamp(1.25rem, 3vw, 2rem);
}
.page-news .headline .media-frame {
  margin: 0;
  aspect-ratio: 16 / 9;
  overflow: hidden;
  background: var(--ink-2);
}
.page-news .headline .media-frame img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.page-news .headline-body {
  display: flex;
  flex-direction: column;
  gap: .85rem;
  justify-content: center;
  padding: clamp(1.35rem, 3.5vw, 2.5rem);
}
.page-news .headline-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: .75rem;
}
.page-news .headline-body h3 {
  font-family: var(--font-head);
  font-weight: 900;
  font-size: clamp(20px, 2.6vw, 28px);
  line-height: 1.25;
  letter-spacing: -.01em;
  color: var(--fg);
  margin: 0;
}
.page-news .headline-body p {
  font-family: var(--font-body);
  font-size: 15px;
  line-height: 1.75;
  color: var(--muted);
  margin: 0;
  max-width: 46ch;
}
.page-news .headline-body .btn {
  align-self: flex-start;
  margin-top: .35rem;
}

/* ---------- 条目列表 ---------- */
.page-news .feed-list {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: var(--news-edge);
}
.page-news .feed-item {
  display: grid;
  grid-template-columns: 36px minmax(0, 1fr);
  align-items: start;
  column-gap: .85rem;
  row-gap: .55rem;
  padding: clamp(.9rem, 2vw, 1.15rem) 0;
  border-bottom: var(--news-edge);
  transition: background-color .25s var(--ease);
}
.page-news .feed-item:hover {
  background: rgba(22, 57, 92, .28);
}
.page-news .feed-index {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: 12px;
  letter-spacing: .12em;
  color: var(--muted);
  padding-top: .4rem;
}
.page-news .feed-body {
  min-width: 0;
}
.page-news .feed-line {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: .35rem .9rem;
}
.page-news .feed-title {
  font-family: var(--font-head);
  font-size: clamp(15px, 1.9vw, 17px);
  font-weight: 700;
  line-height: 1.5;
  color: var(--fg);
  margin: 0;
}
.page-news .feed-time {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .12em;
  color: var(--muted);
  white-space: nowrap;
}

/* 标签胶囊 */
.page-news .tag {
  display: inline-flex;
  align-items: center;
  align-self: start;
  justify-self: start;
  font-family: var(--font-body);
  font-size: 11.5px;
  font-weight: 700;
  letter-spacing: .06em;
  line-height: 1;
  padding: .42rem .7rem;
  color: var(--muted);
  background: transparent;
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  white-space: nowrap;
}
.page-news .tag--accent {
  color: var(--accent);
  border-color: var(--accent);
  background: rgba(255, 106, 26, .09);
}

/* 列表内专题横幅 */
.page-news .feed-banner {
  border-bottom: var(--news-edge);
  padding: .35rem 0;
}
.page-news .feed-banner a {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: center;
  gap: .8rem;
  padding: clamp(.9rem, 2.2vw, 1.15rem) clamp(.85rem, 2.5vw, 1.35rem);
  text-decoration: none;
  color: var(--fg);
  background: linear-gradient(100deg, rgba(255, 106, 26, .14), rgba(22, 57, 92, .5) 45%, rgba(6, 23, 38, .2));
  border-left: 3px solid var(--accent);
  border-radius: var(--radius);
  transition: background-color .25s var(--ease), transform .25s var(--ease);
}
.page-news .feed-banner a:hover {
  transform: translateX(3px);
}
.page-news .banner-label {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .16em;
  color: var(--accent);
  text-transform: uppercase;
  white-space: nowrap;
}
.page-news .banner-text {
  font-family: var(--font-head);
  font-weight: 700;
  font-size: clamp(14px, 1.8vw, 16px);
  line-height: 1.5;
  min-width: 0;
}
.page-news .banner-arrow {
  font-family: var(--font-mono);
  font-size: 18px;
  color: var(--accent);
}

/* ---------- 栏目分类 ---------- */
.page-news .topic-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(1.25rem, 3vw, 2rem);
}
.page-news .topic-side {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}
.page-news .topic-texture {
  margin: 0;
  aspect-ratio: 1 / 1;
  overflow: hidden;
  border-radius: var(--radius);
  border: var(--news-edge);
  background: var(--ink-2);
  max-width: 260px;
}
.page-news .topic-texture img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: saturate(.55) brightness(.75);
}
.page-news .topic-note {
  font-family: var(--font-body);
  font-size: 14px;
  line-height: 1.75;
  color: var(--muted);
  margin: 0;
  max-width: 42ch;
}
.page-news .topic-main {
  min-width: 0;
}

/* 筛选标签 */
.page-news .filter-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: .5rem;
  margin-bottom: clamp(1rem, 2.5vw, 1.5rem);
}
.page-news .filter-tab {
  font-family: var(--font-body);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: .03em;
  color: var(--muted);
  background: transparent;
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  padding: .5rem 1.05rem;
  cursor: pointer;
  transition: color .2s var(--ease), background-color .2s var(--ease), border-color .2s var(--ease);
}
.page-news .filter-tab:hover {
  color: var(--fg);
  border-color: var(--muted);
}
.page-news .filter-tab[aria-selected="true"] {
  color: var(--ink-0);
  background: var(--accent);
  border-color: var(--accent);
}
.page-news .filter-tab[aria-selected="true"]:hover {
  color: var(--ink-0);
}

/* 分类卡片 */
.page-news .topic-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  background: var(--line);
  border: var(--news-edge);
  border-radius: var(--radius);
  overflow: hidden;
}
.page-news .topic-cell {
  background: var(--news-surface);
  display: flex;
  flex-direction: column;
  gap: .55rem;
  padding: clamp(1.1rem, 2.6vw, 1.6rem);
  min-height: 168px;
}
.page-news .topic-cell .topic-kicker {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--accent);
}
.page-news .topic-cell h3 {
  font-family: var(--font-head);
  font-weight: 800;
  font-size: clamp(16px, 2vw, 18px);
  line-height: 1.35;
  color: var(--fg);
  margin: 0;
}
.page-news .topic-cell p {
  font-family: var(--font-body);
  font-size: 13.5px;
  line-height: 1.72;
  color: var(--muted);
  margin: 0;
}

/* ---------- 专题系列 ---------- */
.page-news .series-strip {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(1.35rem, 3.5vw, 2.5rem);
  padding: clamp(1.35rem, 3.5vw, 2.25rem);
  border-radius: var(--radius);
  overflow: hidden;
}
.page-news .series-strip + .series-strip {
  margin-top: clamp(1.25rem, 3vw, 2rem);
}
.page-news .series-strip--alt {
  background: var(--news-surface);
  border: var(--news-edge);
}
.page-news .series-figure {
  margin: 0;
  aspect-ratio: 16 / 9;
  overflow: hidden;
  border-radius: var(--radius);
  background: var(--ink-2);
}
.page-news .series-figure img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.page-news .series-body {
  display: flex;
  flex-direction: column;
  gap: .8rem;
  min-width: 0;
}
.page-news .series-body h3 {
  font-family: var(--font-head);
  font-weight: 900;
  font-size: clamp(19px, 2.6vw, 26px);
  line-height: 1.28;
  letter-spacing: -.01em;
  color: var(--fg);
  margin: 0;
}
.page-news .series-body > p {
  font-family: var(--font-body);
  font-size: 14.5px;
  line-height: 1.78;
  color: var(--muted);
  margin: 0;
  max-width: 56ch;
}
.page-news .series-body .tag {
  align-self: flex-start;
}
.page-news .series-body .btn {
  align-self: flex-start;
  margin-top: .25rem;
}
.page-news .series-toc {
  list-style: none;
  margin: .25rem 0 0;
  padding: 0;
  display: grid;
  gap: 0;
}
.page-news .series-toc li {
  display: grid;
  grid-template-columns: 72px minmax(0, 1fr);
  gap: .75rem;
  align-items: baseline;
  padding-block: .55rem;
  border-bottom: 1px dashed var(--line);
  font-family: var(--font-body);
  font-size: 14px;
  line-height: 1.6;
  color: var(--fg);
}
.page-news .series-toc li:last-child {
  border-bottom: 0;
}
.page-news .series-toc .ep {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .12em;
  color: var(--accent);
  white-space: nowrap;
}
.page-news .series-facts {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  background: var(--line);
  border: var(--news-edge);
  border-radius: var(--radius);
  overflow: hidden;
  align-self: start;
}
.page-news .fact {
  background: var(--news-deep);
  padding: clamp(1.05rem, 2.6vw, 1.5rem);
  display: flex;
  flex-direction: column;
  gap: .35rem;
}
.page-news .fact-num {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: clamp(32px, 6vw, 46px);
  font-weight: 700;
  line-height: 1;
  letter-spacing: -.02em;
  color: var(--accent);
}
.page-news .fact-label {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .16em;
  color: var(--muted);
}
.page-news .fact p {
  font-family: var(--font-body);
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--muted);
  margin: .35rem 0 0;
}

/* ---------- 更新节奏 ---------- */
.page-news .cadence-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(1.5rem, 4vw, 2.75rem);
}
.page-news .cadence-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0;
  counter-reset: cadence;
}
.page-news .cadence-list li {
  display: grid;
  grid-template-columns: minmax(0, auto) minmax(0, 1fr);
  gap: clamp(.9rem, 2.5vw, 1.4rem);
  align-items: start;
  padding-block: clamp(.95rem, 2.4vw, 1.35rem);
  border-bottom: var(--news-edge);
}
.page-news .cadence-list li:first-child {
  border-top: var(--news-edge);
}
.page-news .cadence-num {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: clamp(28px, 5vw, 44px);
  font-weight: 700;
  line-height: 1;
  letter-spacing: -.03em;
  color: var(--accent);
  display: inline-flex;
  align-items: baseline;
  gap: .15rem;
  white-space: nowrap;
}
.page-news .cadence-num i {
  font-style: normal;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .12em;
  color: var(--muted);
}
.page-news .cadence-list h3 {
  font-family: var(--font-head);
  font-weight: 800;
  font-size: clamp(15px, 2vw, 17px);
  line-height: 1.4;
  color: var(--fg);
  margin: 0 0 .4rem;
}
.page-news .cadence-list p {
  font-family: var(--font-body);
  font-size: 13.5px;
  line-height: 1.72;
  color: var(--muted);
  margin: 0;
}
.page-news .cadence-figure {
  margin: 0;
  border-radius: var(--radius);
  overflow: hidden;
  border: var(--news-edge);
  background: var(--ink-2);
}
.page-news .cadence-figure img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}
.page-news .cadence-figure .media-caption {
  font-family: var(--font-body);
  font-size: 12.5px;
  line-height: 1.6;
  color: var(--muted);
  padding: .75rem 1rem;
  background: var(--news-deep);
  margin: 0;
}

/* ---------- 订阅入口 ---------- */
.page-news .subscribe-panel {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(1.35rem, 3.5vw, 2.25rem);
  padding: clamp(1.5rem, 4vw, 2.75rem);
  border: 1px solid var(--line-strong);
  border-radius: var(--radius);
  background:
    radial-gradient(120% 130% at 100% 0%, rgba(255, 106, 26, .18), transparent 58%),
    linear-gradient(140deg, var(--ink-2), var(--ink-1) 62%);
}
.page-news .subscribe-body {
  display: flex;
  flex-direction: column;
  gap: .85rem;
  min-width: 0;
}
.page-news .subscribe-body h3 {
  font-family: var(--font-head);
  font-weight: 900;
  font-size: clamp(21px, 3vw, 30px);
  line-height: 1.2;
  letter-spacing: -.015em;
  color: var(--fg);
  margin: 0;
}
.page-news .subscribe-body > p {
  font-family: var(--font-body);
  font-size: 14.5px;
  line-height: 1.78;
  color: var(--muted);
  margin: 0;
  max-width: 58ch;
}
.page-news .subscribe-points {
  list-style: none;
  margin: .35rem 0 0;
  padding: 0;
  display: grid;
  gap: .5rem;
}
.page-news .subscribe-points li {
  display: flex;
  align-items: baseline;
  gap: .6rem;
  font-family: var(--font-body);
  font-size: 13.5px;
  line-height: 1.65;
  color: var(--fg);
}
.page-news .subscribe-points .dot {
  flex: none;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--signal);
  transform: translateY(-1px);
}
.page-news .subscribe-action {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: .8rem;
}
.page-news .subscribe-action .btn--primary {
  font-weight: 800;
}
.page-news .subscribe-hint {
  font-family: var(--font-body);
  font-size: 12.5px;
  line-height: 1.65;
  color: var(--muted);
  margin: 0;
  max-width: 34ch;
}

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .page-news .feed-item {
    grid-template-columns: 56px minmax(0, 1fr) auto;
    align-items: center;
  }
  .page-news .feed-index {
    padding-top: 0;
  }
  .page-news .topic-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .page-news .series-facts {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 900px) {
  .page-news .chapter-head {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(260px, 34ch);
    column-gap: clamp(2rem, 5vw, 5rem);
    align-items: end;
  }
  .page-news .chapter-head > .chapter-num {
    grid-column: 1;
    grid-row: 1;
    margin-bottom: .5rem;
  }
  .page-news .chapter-head > .chapter-title {
    grid-column: 1;
    grid-row: 2;
    margin-bottom: 0;
  }
  .page-news .chapter-head > .chapter-desc {
    grid-column: 2;
    grid-row: 1 / 3;
    align-self: end;
  }

  .page-news .headline {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 1fr);
    align-items: stretch;
  }
  .page-news .headline .media-frame {
    aspect-ratio: auto;
    height: 100%;
    min-height: 300px;
  }

  .page-news .topic-layout {
    grid-template-columns: minmax(0, 240px) minmax(0, 1fr);
    column-gap: clamp(1.5rem, 4vw, 3rem);
    align-items: start;
  }
  .page-news .topic-texture {
    max-width: none;
  }

  .page-news .series-strip {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.05fr);
    align-items: center;
  }
  .page-news .series-strip--alt {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 1fr);
  }

  .page-news .cadence-grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.1fr);
    align-items: start;
  }

  .page-news .subscribe-panel {
    grid-template-columns: minmax(0, 1fr) minmax(240px, 300px);
    align-items: center;
  }
  .page-news .subscribe-action {
    align-items: stretch;
  }
  .page-news .subscribe-action .btn {
    text-align: center;
    justify-content: center;
  }
}

@media (min-width: 1024px) {
  .page-news .topic-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
  .page-news .topic-cell {
    min-height: 200px;
  }
}

@media (max-width: 639px) {
  .page-news .feed-item > .tag {
    grid-column: 2;
    justify-self: start;
  }
  .page-news .feed-banner a {
    grid-template-columns: minmax(0, 1fr) auto;
    row-gap: .35rem;
  }
  .page-news .banner-label {
    grid-column: 1 / -1;
  }
  .page-news .series-toc li {
    grid-template-columns: minmax(0, 1fr);
    gap: .2rem;
  }
  .page-news .cadence-list li {
    grid-template-columns: minmax(0, 1fr);
    gap: .6rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-news .feed-item,
  .page-news .feed-banner a,
  .page-news .filter-tab,
  .page-news .cover-jump a {
    transition: none;
  }
  .page-news .feed-banner a:hover {
    transform: none;
  }
}
</main>