.page-news {
  --news-rail: 236px;
  --news-gap: 26px;
  --cat: var(--celadon);
}

/* ---------- 首屏 ---------- */
.page-news .news-hero {
  padding: 26px 0 34px;
}

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

.page-news .news-hero-lead h1 {
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: clamp(30px, 7.6vw, 62px);
  line-height: 1.14;
  letter-spacing: -0.015em;
  color: var(--ink);
  margin: 10px 0 0;
}

.page-news .news-hero-text {
  margin: 18px 0 0;
  font-size: 16px;
  line-height: 1.8;
  color: var(--ink-2);
  max-width: 62ch;
}

.page-news .news-hero-side {
  border-top: 2px solid var(--ink);
  padding-top: 16px;
}

.page-news .news-stats {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px 12px;
}

.page-news .news-stat {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.page-news .news-stat-num {
  font-family: var(--font-mono);
  font-size: 30px;
  line-height: 1;
  color: var(--cinnabar);
  letter-spacing: 0.01em;
}

.page-news .news-stat-label {
  font-size: 13px;
  letter-spacing: var(--track-wide);
  color: var(--stone);
}

.page-news .news-hero-note {
  margin: 20px 0 0;
  padding-top: 16px;
  border-top: 1px solid var(--line);
  font-size: 13.5px;
  line-height: 1.75;
  color: var(--stone);
}

/* ---------- 置顶专题 ---------- */
.page-news .spot {
  background:
    radial-gradient(circle at 88% 12%, rgba(201, 162, 39, .22), transparent 46%),
    linear-gradient(160deg, var(--cinnabar) 0%, var(--cinnabar-deep) 78%);
  color: var(--paper);
  padding: 40px 0;
  position: relative;
  overflow: hidden;
}

.page-news .spot::after {
  content: "";
  position: absolute;
  right: -70px;
  bottom: -70px;
  width: 200px;
  height: 200px;
  border: 1px solid rgba(245, 240, 230, .28);
  border-radius: 50%;
  pointer-events: none;
}

.page-news .spot-inner {
  display: grid;
  gap: 28px;
  align-items: center;
  position: relative;
  z-index: 1;
}

.page-news .eyebrow--light {
  color: rgba(245, 240, 230, .78);
}

.page-news .spot-title {
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: clamp(24px, 5.6vw, 42px);
  line-height: 1.22;
  margin: 10px 0 0;
  color: var(--paper);
}

.page-news .spot-text {
  margin: 16px 0 0;
  font-size: 15.5px;
  line-height: 1.82;
  color: rgba(245, 240, 230, .9);
  max-width: 60ch;
}

.page-news .spot-series {
  list-style: none;
  margin: 22px 0 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-news .spot-series li {
  display: flex;
  gap: 12px;
  align-items: baseline;
  font-size: 14.5px;
  line-height: 1.6;
  padding-bottom: 10px;
  border-bottom: 1px solid rgba(245, 240, 230, .2);
  color: rgba(245, 240, 230, .92);
}

.page-news .spot-series .mono {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--gold);
  letter-spacing: 0.08em;
}

.page-news .spot-btn {
  margin-top: 24px;
  color: var(--paper);
  border-color: rgba(245, 240, 230, .55);
  background: transparent;
}

.page-news .spot-btn:hover,
.page-news .spot-btn:focus-visible {
  background: var(--paper);
  color: var(--cinnabar-deep);
  border-color: var(--paper);
}

.page-news .spot-media {
  border-radius: var(--radius-l);
  overflow: hidden;
  box-shadow: 0 30px 60px -34px rgba(0, 0, 0, .7);
}

/* ---------- 布局：窄栏索引 + 宽栏文章流 ---------- */
.page-news .news-layout {
  display: grid;
  gap: var(--news-gap);
  padding: 40px 0 10px;
}

.page-news .news-rail {
  border-bottom: 1px solid var(--line);
  padding-bottom: 18px;
}

.page-news .rail-title {
  margin: 0 0 12px;
  font-size: 12px;
  letter-spacing: var(--track-wide);
  color: var(--stone);
  text-transform: uppercase;
}

.page-news .rail-list {
  list-style: none;
  margin: 0;
  padding: 0 0 4px;
  display: flex;
  gap: 8px;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.page-news .rail-item {
  flex: 0 0 auto;
}

.page-news .rail-link {
  display: block;
  padding: 7px 14px;
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  font-size: 13.5px;
  color: var(--ink-2);
  text-decoration: none;
  white-space: nowrap;
  transition: color .2s var(--ease), border-color .2s var(--ease), background-color .2s var(--ease);
}

.page-news .rail-link:hover,
.page-news .rail-link:focus-visible {
  border-color: var(--cinnabar);
  color: var(--cinnabar);
}

.page-news .rail-link.is-active,
.page-news .rail-link[aria-current] {
  background: var(--cinnabar);
  border-color: var(--cinnabar);
  color: var(--paper);
}

.page-news .rail-quick {
  margin-top: 22px;
}

.page-news .rail-quick-title {
  margin: 0 0 10px;
  font-size: 12px;
  letter-spacing: var(--track-wide);
  color: var(--stone);
}

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

.page-news .rail-quick-link {
  display: inline-block;
  font-size: 14px;
  color: var(--ink-2);
  text-decoration: none;
  border-bottom: 1px solid var(--line-strong);
  padding-bottom: 2px;
  transition: color .2s var(--ease), border-color .2s var(--ease);
}

.page-news .rail-quick-link:hover,
.page-news .rail-quick-link:focus-visible {
  color: var(--cinnabar);
  border-color: var(--cinnabar);
}

/* ---------- 文章卡片流 ---------- */
.page-news .news-block,
.page-news .cat-index {
  margin-bottom: 52px;
}

.page-news .post-list {
  display: grid;
  gap: 18px;
}

.page-news .post-card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius-m);
  padding: 20px 20px 16px;
  box-shadow: var(--shadow-soft);
  transition: transform .28s var(--ease), box-shadow .28s var(--ease), border-color .28s var(--ease);
}

.page-news .post-card:hover {
  transform: translateY(-3px);
  border-color: var(--line-strong);
  box-shadow: var(--shadow-card);
}

.page-news .post-tagrow {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 12px;
}

.page-news .post-time {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--stone);
}

.page-news .post-title {
  margin: 0;
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: 19px;
  line-height: 1.4;
  color: var(--ink);
}

.page-news .post-text {
  margin: 10px 0 0;
  font-size: 14.5px;
  line-height: 1.78;
  color: var(--ink-2);
}

.page-news .post-foot {
  margin-top: 16px;
  padding-top: 12px;
  border-top: 1px solid var(--line);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.page-news .post-note {
  font-size: 12.5px;
  letter-spacing: 0.04em;
  color: var(--stone);
}

/* ---------- 分类索引 ---------- */
.page-news .cat-block {
  border-top: 1px solid var(--line);
  padding: 26px 0 6px;
}

.page-news .cat-block:first-of-type {
  border-top: 2px solid var(--ink);
}

.page-news .cat-head {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  column-gap: 14px;
  row-gap: 6px;
  align-items: center;
}

.page-news .cat-num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  border-radius: var(--radius-s);
  background: var(--cat);
  color: var(--paper);
  font-size: 13px;
  letter-spacing: 0.04em;
  grid-row: span 1;
}

.page-news .cat-name {
  margin: 0;
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: 21px;
  line-height: 1.3;
  color: var(--ink);
}

.page-news .cat-desc {
  grid-column: 1 / -1;
  margin: 4px 0 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--stone);
  max-width: 56ch;
}

.page-news .cat-body {
  display: grid;
  gap: 18px;
  margin-top: 16px;
}

.page-news .cat-list {
  list-style: none;
  margin: 16px 0 0;
  padding: 0;
  display: grid;
  gap: 14px;
}

.page-news .cat-body .cat-list {
  margin-top: 0;
}

.page-news .cat-item {
  border-left: 2px solid var(--cat);
  padding-left: 14px;
}

.page-news .cat-item-title {
  margin: 0;
  font-family: var(--font-sans);
  font-weight: 600;
  font-size: 15.5px;
  line-height: 1.5;
  color: var(--ink);
}

.page-news .cat-item-text {
  margin: 6px 0 0;
  font-size: 14px;
  line-height: 1.72;
  color: var(--ink-2);
}

.page-news .cat-media {
  border-radius: var(--radius-m);
  overflow: hidden;
}

.page-news .cat--dynamics { --cat: var(--celadon); }
.page-news .cat--iteration { --cat: var(--cinnabar); }
.page-news .cat--guide { --cat: var(--gold); }
.page-news .cat--case { --cat: var(--clay); }
.page-news .cat--tools { --cat: var(--ink-2); }
.page-news .cat--notice { --cat: var(--cinnabar-deep); }

/* ---------- 订阅与入口 ---------- */
.page-news .subscribe {
  background: var(--mist);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  padding: 42px 0 52px;
}

.page-news .subscribe-grid {
  display: grid;
  gap: 26px;
}

.page-news .subscribe-lead p {
  margin: 0 0 20px;
  font-size: 15.5px;
  line-height: 1.82;
  color: var(--ink-2);
  max-width: 54ch;
}

.page-news .subscribe-entries {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 14px;
}

.page-news .entry-card {
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--radius-m);
  padding: 20px;
  display: grid;
  gap: 8px;
  align-content: start;
  transition: border-color .24s var(--ease), transform .24s var(--ease);
}

.page-news .entry-card:hover {
  border-color: var(--cinnabar);
  transform: translateY(-2px);
}

.page-news .entry-num {
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--gold);
}

.page-news .entry-title {
  margin: 0;
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: 19px;
  color: var(--ink);
}

.page-news .entry-text {
  margin: 0;
  font-size: 14px;
  line-height: 1.72;
  color: var(--ink-2);
}

.page-news .entry-link {
  margin-top: 4px;
  font-size: 14px;
  color: var(--cinnabar);
  text-decoration: none;
  border-bottom: 1px solid currentColor;
  align-self: start;
  padding-bottom: 2px;
}

.page-news .entry-link:hover,
.page-news .entry-link:focus-visible {
  color: var(--cinnabar-deep);
}

/* ---------- 图片自适应 ---------- */
.page-news .media-frame img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
}

/* ---------- 中等屏 ---------- */
@media (min-width: 620px) {
  .page-news .post-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

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

  .page-news .news-stats {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

/* ---------- 桌面：编辑部长栏 ---------- */
@media (min-width: 900px) {
  .page-news .news-hero {
    padding: 44px 0 46px;
  }

  .page-news .news-hero-grid {
    grid-template-columns: minmax(0, 1.4fr) minmax(0, .85fr);
    gap: 60px;
    align-items: end;
  }

  .page-news .news-stats {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-news .spot {
    padding: 58px 0;
  }

  .page-news .spot-inner {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, .95fr);
    gap: 52px;
  }

  .page-news .news-layout {
    grid-template-columns: var(--news-rail) minmax(0, 1fr);
    gap: 56px;
    padding: 56px 0 20px;
    align-items: start;
  }

  .page-news .news-rail {
    position: sticky;
    top: calc(var(--header-h) + 24px);
    border-bottom: 0;
    border-left: 2px solid var(--ink);
    padding: 2px 0 2px 18px;
  }

  .page-news .rail-list {
    flex-direction: column;
    gap: 2px;
    overflow: visible;
    padding-bottom: 0;
  }

  .page-news .rail-link {
    border: 0;
    border-radius: 0;
    padding: 7px 0;
    font-size: 14px;
    color: var(--stone);
    border-bottom: 1px solid var(--line);
  }

  .page-news .rail-link:hover,
  .page-news .rail-link:focus-visible {
    color: var(--cinnabar);
    border-bottom-color: var(--cinnabar);
  }

  .page-news .rail-link.is-active,
  .page-news .rail-link[aria-current] {
    background: transparent;
    color: var(--ink);
    font-weight: 600;
    border-bottom-color: var(--cinnabar);
  }

  .page-news .news-block,
  .page-news .cat-index {
    margin-bottom: 68px;
  }

  .page-news .post-list {
    gap: 22px;
  }

  .page-news .post-card {
    padding: 24px 24px 18px;
  }

  .page-news .post-list .post-card:nth-child(even) {
    transform: translateY(20px);
  }

  .page-news .post-list .post-card:nth-child(even):hover {
    transform: translateY(16px);
  }

  .page-news .post-title {
    font-size: 22px;
  }

  .page-news .cat-block {
    display: grid;
    grid-template-columns: minmax(0, 280px) minmax(0, 1fr);
    column-gap: 44px;
    padding: 32px 0 10px;
  }

  .page-news .cat-head {
    align-content: start;
  }

  .page-news .cat-body {
    margin-top: 0;
  }

  .page-news .cat-list {
    margin-top: 0;
  }

  .page-news .subscribe {
    padding: 60px 0 72px;
  }

  .page-news .subscribe-grid {
    grid-template-columns: minmax(0, .8fr) minmax(0, 1.2fr);
    gap: 48px;
    align-items: start;
  }
}

@media (min-width: 1180px) {
  .page-news .post-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}