.page-news {
  --news-rule: rgba(138, 151, 168, 0.28);
  --news-rule-light: #DCE3EC;
  --news-num: #B7C2D0;
  background: var(--paper);
  color: var(--text);
  overflow-x: hidden;
}

.page-news .container {
  max-width: var(--max);
}

/* ---------- 首屏专题带 ---------- */
.page-news .news-hero {
  position: relative;
  padding: 18px 0 0;
  color: var(--mist);
  background:
    radial-gradient(880px 420px at 84% 4%, rgba(91, 108, 255, 0.22), transparent 70%),
    radial-gradient(700px 400px at 6% 100%, rgba(25, 227, 208, 0.12), transparent 72%),
    linear-gradient(178deg, var(--ink-900) 0%, var(--ink-800) 58%, var(--ink-700) 100%);
}

.page-news .news-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: linear-gradient(to right, rgba(138, 151, 168, 0.09) 1px, transparent 1px);
  background-size: 78px 100%;
  pointer-events: none;
}

.page-news .news-hero .container {
  position: relative;
  z-index: 1;
}

.page-news .news-hero .breadcrumb-list {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin: 0;
  padding: 0;
  list-style: none;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.02em;
}

.page-news .news-hero .breadcrumb-item + .breadcrumb-item::before {
  content: "/";
  margin-right: 6px;
  color: rgba(138, 151, 168, 0.6);
}

.page-news .news-hero .breadcrumb-link {
  color: var(--steel);
  text-decoration: none;
}

.page-news .news-hero .breadcrumb-link:hover,
.page-news .news-hero .breadcrumb-link:focus-visible {
  color: var(--cyan);
}

.page-news .news-hero .breadcrumb-current {
  color: var(--mist);
}

.page-news .news-hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 26px;
  padding: 26px 0 30px;
}

.page-news .news-hero-copy .eyebrow {
  color: var(--cyan);
  letter-spacing: 0.16em;
}

.page-news .news-hero-title {
  margin: 12px 0 0;
  font-family: var(--font-head);
  font-size: clamp(30px, 6.4vw, 54px);
  line-height: 1.12;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: #FFFFFF;
}

.page-news .news-hero-lede {
  margin: 16px 0 0;
  max-width: 48ch;
  font-size: 15px;
  line-height: 1.8;
  color: rgba(233, 238, 245, 0.78);
}

.page-news .news-hero-index {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 26px;
  margin: 24px 0 0;
  padding: 14px 0 0;
  list-style: none;
  border-top: 1px solid var(--line-dark);
}

.page-news .news-hero-index li {
  display: flex;
  align-items: baseline;
  gap: 8px;
}

.page-news .news-hero-index .idx-k {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--steel);
}

.page-news .news-hero-index .idx-v {
  font-family: var(--font-mono);
  font-size: 17px;
  color: var(--cyan);
}

.page-news .news-hero-figure {
  margin: 0;
  border: 1px solid var(--line-dark);
  background: linear-gradient(150deg, rgba(27, 37, 64, 0.9), rgba(10, 15, 28, 0.9));
}

.page-news .news-hero-figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  aspect-ratio: 16 / 9;
  object-fit: cover;
}

.page-news .news-feature {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 10px;
  margin-top: 6px;
  padding: 22px 0 30px;
  border-top: 1px solid var(--line-dark);
  text-decoration: none;
  color: inherit;
  transition: background 160ms var(--ease);
}

.page-news .news-feature-num {
  font-family: var(--font-mono);
  font-size: 26px;
  line-height: 1;
  color: rgba(25, 227, 208, 0.85);
}

.page-news .news-feature-meta {
  display: flex;
  align-items: center;
  gap: 8px;
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--steel);
}

.page-news .news-feature-meta::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--orange);
}

.page-news .news-feature-title {
  margin: 10px 0 0;
  font-family: var(--font-head);
  font-size: 20px;
  line-height: 1.4;
  font-weight: 600;
  letter-spacing: -0.01em;
  color: #FFFFFF;
}

.page-news .news-feature-excerpt {
  margin: 10px 0 0;
  max-width: 62ch;
  font-size: 14px;
  line-height: 1.8;
  color: rgba(233, 238, 245, 0.72);
}

.page-news .news-feature-go {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.04em;
  color: var(--cyan);
}

.page-news .news-feature:hover .news-feature-title,
.page-news .news-feature:focus-visible .news-feature-title {
  color: var(--cyan);
}

.page-news .news-feature:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 4px;
}

/* ---------- 分类索引与文章列表 ---------- */
.page-news .news-feed {
  padding: 46px 0 54px;
  background: var(--paper);
}

.page-news .news-feed-head {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 12px;
  padding-bottom: 22px;
  border-bottom: 1px solid var(--news-rule-light);
}

.page-news .news-feed-head .eyebrow {
  color: var(--steel);
}

.page-news .news-h2 {
  margin: 10px 0 0;
  font-family: var(--font-head);
  font-size: clamp(22px, 3.6vw, 32px);
  line-height: 1.28;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--ink-900);
}

.page-news .news-feed-note {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--steel);
}

.page-news .news-tabs {
  margin-top: 20px;
}

.page-news .news-tabs .tab-list {
  display: flex;
  gap: 8px;
  overflow-x: auto;
  padding: 0 0 12px;
  scrollbar-width: none;
  -webkit-overflow-scrolling: touch;
}

.page-news .news-tabs .tab-list::-webkit-scrollbar {
  display: none;
}

.page-news .news-tabs .tab {
  flex: 0 0 auto;
  appearance: none;
  padding: 9px 16px;
  border: 1px solid var(--news-rule-light);
  border-radius: 999px;
  background: transparent;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--steel);
  cursor: pointer;
  transition: color 120ms var(--ease), background 120ms var(--ease), border-color 120ms var(--ease);
}

.page-news .news-tabs .tab:hover {
  color: var(--ink-900);
  border-color: var(--steel);
}

.page-news .news-tabs .tab[aria-selected="true"] {
  color: var(--ink-900);
  background: rgba(25, 227, 208, 0.16);
  border-color: rgba(25, 227, 208, 0.55);
}

.page-news .news-tabs .tab:focus-visible {
  outline: 2px solid var(--violet);
  outline-offset: 2px;
}

.page-news .news-tabs .tab-panel {
  padding-top: 8px;
}

.page-news .news-tabs .tab-panel:focus-visible {
  outline: 2px solid var(--violet);
  outline-offset: 6px;
}

.page-news .note-list {
  display: block;
  border-top: 1px solid var(--news-rule-light);
}

.page-news .note-row {
  display: grid;
  grid-template-columns: 30px minmax(0, 1fr);
  gap: 14px;
  padding: 20px 0;
  border-bottom: 1px solid var(--news-rule-light);
}

.page-news .note-num {
  font-family: var(--font-mono);
  font-size: 15px;
  line-height: 1.6;
  color: var(--news-num);
}

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

.page-news .note-cat {
  padding: 2px 8px;
  border: 1px solid var(--news-rule-light);
  border-radius: 2px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.04em;
  color: var(--ink-700);
}

.page-news .note-time {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.04em;
  color: var(--steel);
}

.page-news .note-title {
  margin: 10px 0 0;
  font-family: var(--font-head);
  font-size: 17px;
  line-height: 1.5;
  font-weight: 600;
  letter-spacing: -0.01em;
  color: var(--ink-900);
  transition: color 120ms var(--ease);
}

.page-news .note-excerpt {
  margin: 8px 0 0;
  font-size: 14px;
  line-height: 1.8;
  color: #46536A;
}

.page-news .note-more {
  display: inline-block;
  margin-top: 10px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.02em;
  color: var(--violet);
  text-decoration: none;
  border-bottom: 1px solid rgba(91, 108, 255, 0.4);
  padding-bottom: 2px;
}

.page-news .note-more:hover,
.page-news .note-more:focus-visible {
  color: var(--ink-900);
  border-bottom-color: var(--ink-900);
}

.page-news .note-row:hover .note-title {
  color: var(--violet);
}

/* ---------- 专题系列 ---------- */
.page-news .news-series {
  padding: 52px 0;
  background: var(--mist);
  border-top: 1px solid var(--news-rule-light);
  border-bottom: 1px solid var(--news-rule-light);
}

.page-news .news-series-head {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 12px;
}

.page-news .news-series-head .eyebrow {
  color: var(--steel);
}

.page-news .news-series-lead {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--steel);
}

.page-news .series-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 18px;
  margin-top: 26px;
}

.page-news .series-card {
  display: flex;
  flex-direction: column;
  background: var(--paper);
  border: 1px solid var(--news-rule-light);
}

.page-news .series-card--dark {
  background: var(--ink-800);
  border-color: rgba(138, 151, 168, 0.32);
  color: var(--mist);
}

.page-news .series-media {
  margin: 0;
  overflow: hidden;
  background: var(--ink-700);
}

.page-news .series-media img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  aspect-ratio: 16 / 10;
  object-fit: cover;
}

.page-news .series-body {
  padding: 20px;
}

.page-news .series-meta {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  color: var(--steel);
}

.page-news .series-title {
  margin: 10px 0 0;
  font-family: var(--font-head);
  font-size: 19px;
  line-height: 1.42;
  font-weight: 600;
  letter-spacing: -0.01em;
  color: var(--ink-900);
}

.page-news .series-card--dark .series-title {
  color: #FFFFFF;
}

.page-news .series-text {
  margin: 10px 0 0;
  font-size: 14px;
  line-height: 1.8;
  color: #46536A;
}

.page-news .series-card--dark .series-text {
  color: rgba(233, 238, 245, 0.74);
}

.page-news .series-link {
  display: inline-block;
  margin-top: 16px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.02em;
  color: var(--violet);
  text-decoration: none;
  border-bottom: 1px solid rgba(91, 108, 255, 0.4);
  padding-bottom: 2px;
}

.page-news .series-card--dark .series-link {
  color: var(--cyan);
  border-bottom-color: rgba(25, 227, 208, 0.45);
}

.page-news .series-link:hover,
.page-news .series-link:focus-visible {
  color: var(--ink-900);
  border-bottom-color: var(--ink-900);
}

.page-news .series-card--dark .series-link:hover,
.page-news .series-card--dark .series-link:focus-visible {
  color: #FFFFFF;
  border-bottom-color: #FFFFFF;
}

/* ---------- 行动收束 ---------- */
.page-news .news-cta {
  padding: 48px 0 54px;
  background: linear-gradient(180deg, #FFFFFF 0%, var(--paper) 100%);
}

.page-news .news-cta-inner {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 24px;
  padding-top: 28px;
  border-top: 2px solid var(--ink-900);
}

.page-news .news-cta-copy .eyebrow {
  color: var(--steel);
}

.page-news .news-cta-text {
  margin: 14px 0 0;
  max-width: 56ch;
  font-size: 15px;
  line-height: 1.8;
  color: #46536A;
}

.page-news .news-cta-fine {
  margin: 12px 0 0;
  font-family: var(--font-mono);
  font-size: 12px;
  line-height: 1.7;
  color: var(--steel);
}

.page-news .news-cta-fine a {
  color: var(--violet);
  text-decoration: underline;
}

.page-news .news-cta-actions {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.page-news .news-cta-actions .btn {
  text-align: center;
}

/* ---------- 平板与桌面 ---------- */
@media (min-width: 760px) {
  .page-news .news-hero {
    padding-top: 24px;
  }

  .page-news .news-feed {
    padding: 60px 0 68px;
  }

  .page-news .news-feed-head {
    grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr);
    align-items: end;
    gap: 28px;
  }

  .page-news .news-feed-note {
    text-align: right;
  }

  .page-news .note-row {
    grid-template-columns: 56px minmax(0, 1fr);
    gap: 24px;
    padding: 24px 0;
  }

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

  .page-news .note-title {
    font-size: 19px;
  }

  .page-news .news-series {
    padding: 64px 0;
  }

  .page-news .news-series-head {
    grid-template-columns: minmax(0, 1.3fr) minmax(0, 1fr);
    align-items: end;
    gap: 28px;
  }

  .page-news .news-cta {
    padding: 60px 0 68px;
  }

  .page-news .news-cta-inner {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: end;
    gap: 36px;
    padding-top: 36px;
  }

  .page-news .news-cta-actions {
    flex-direction: row;
    align-items: center;
  }
}

@media (min-width: 900px) {
  .page-news .news-hero-grid {
    grid-template-columns: minmax(0, 1.02fr) minmax(0, 0.98fr);
    align-items: end;
    gap: 44px;
    padding: 40px 0 38px;
  }

  .page-news .news-hero-lede {
    font-size: 16px;
  }

  .page-news .news-feature {
    grid-template-columns: 96px minmax(0, 1fr) auto;
    align-items: center;
    gap: 32px;
    padding: 26px 0 32px;
  }

  .page-news .news-feature-num {
    font-size: 42px;
  }

  .page-news .news-feature-title {
    font-size: 24px;
  }

  .page-news .news-feature-go {
    white-space: nowrap;
  }

  .page-news .series-grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    gap: 22px;
  }

  .page-news .series-card--full {
    grid-column: 1 / -1;
    flex-direction: row;
  }

  .page-news .series-card--full .series-media {
    flex: 0 0 42%;
  }

  .page-news .series-card--full .series-media img {
    height: 100%;
    aspect-ratio: auto;
  }

  .page-news .series-card--full .series-body {
    flex: 1 1 auto;
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding: 28px 32px;
  }
}

@media (min-width: 1100px) {
  .page-news .news-hero-title {
    font-size: 54px;
  }

  .page-news .note-title {
    font-size: 20px;
  }

  .page-news .series-title {
    font-size: 21px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-news .news-feature,
  .page-news .news-tabs .tab,
  .page-news .note-title {
    transition: none;
  }
}