.page-news {
  --news-gap: 18px;
  --news-card-bg: linear-gradient(158deg, rgba(18, 42, 85, 0.92), rgba(11, 27, 58, 0.72));
  background: var(--blue-night);
  color: var(--snow);
}

/* ============ 首屏 ============ */
.page-news .news-hero {
  position: relative;
  padding: 40px 0 44px;
  border-bottom: 1px solid var(--line);
  background:
    radial-gradient(120% 90% at 88% 0%, rgba(124, 92, 255, 0.26), transparent 58%),
    radial-gradient(90% 80% at 0% 100%, rgba(34, 211, 238, 0.12), transparent 62%);
  overflow: hidden;
}

.page-news .news-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(143, 163, 200, 0.07) 1px, transparent 1px),
    linear-gradient(90deg, rgba(143, 163, 200, 0.07) 1px, transparent 1px);
  background-size: 48px 48px;
  pointer-events: none;
  mask-image: linear-gradient(to bottom, rgba(0, 0, 0, 0.85), transparent 78%);
}

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

.page-news .breadcrumb {
  margin-bottom: 22px;
}

.page-news .breadcrumb__list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  list-style: none;
  margin: 0;
  padding: 0;
  font-size: 13px;
  color: var(--mist);
}

.page-news .breadcrumb__list li + li::before {
  content: "/";
  margin-right: 8px;
  color: var(--line-strong);
}

.page-news .breadcrumb__list a {
  color: var(--cyan-light);
  text-decoration: none;
}

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

.page-news .eyebrow {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--cyan);
}

.page-news .news-hero h1 {
  margin: 0 0 18px;
  max-width: 18em;
  font-family: var(--font-heading);
  font-weight: 900;
  font-size: 30px;
  line-height: 1.25;
  letter-spacing: 0.02em;
  background: linear-gradient(100deg, var(--snow) 0%, var(--snow) 55%, var(--purple) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.page-news .news-hero .lead {
  max-width: 46em;
  margin: 0 0 28px;
  font-size: 16px;
  line-height: 1.75;
  color: var(--mist);
}

.page-news .hero-stats {
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-news .hero-stat {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 14px 18px;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: rgba(18, 42, 85, 0.45);
}

.page-news .hero-stat__num {
  font-size: 24px;
  line-height: 1;
  letter-spacing: 0.08em;
  color: var(--cyan);
}

.page-news .hero-stat__label {
  font-size: 14px;
  color: var(--mist);
}

/* ============ 通用区块头 ============ */
.page-news .section-head {
  max-width: 46em;
  margin-bottom: 28px;
}

.page-news .section-head h2 {
  margin: 0 0 14px;
  font-family: var(--font-heading);
  font-weight: 900;
  font-size: 23px;
  line-height: 1.3;
  letter-spacing: 0.02em;
  color: var(--snow);
}

.page-news .section-head .lead {
  margin: 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--mist);
}

/* ============ 媒体 ============ */
.page-news .news-figure {
  margin: 0 0 30px;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: linear-gradient(140deg, rgba(18, 42, 85, 0.85), rgba(75, 47, 168, 0.35));
}

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

.page-news .media__caption {
  padding: 12px 18px;
  font-size: 13px;
  color: var(--mist);
  border-top: 1px solid var(--line);
}

.page-news .media--square {
  margin: 0;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  overflow: hidden;
  background: linear-gradient(140deg, rgba(18, 42, 85, 0.8), rgba(34, 211, 238, 0.12));
}

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

/* ============ 编号索引 ============ */
.page-news .cn-groups {
  display: grid;
  gap: 36px;
}

.page-news .cn-group__head {
  margin-bottom: 16px;
  padding-left: 16px;
  border-left: 2px solid var(--cyan);
}

.page-news .cn-group__range {
  display: block;
  margin-bottom: 6px;
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--purple);
}

.page-news .cn-group__head h3 {
  margin: 0 0 6px;
  font-family: var(--font-heading);
  font-weight: 900;
  font-size: 18px;
  color: var(--snow);
}

.page-news .cn-group__head p {
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--mist);
}

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

.page-news .cn-card {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 14px 14px 16px;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: var(--news-card-bg);
  transition: transform 180ms var(--ease), border-color 180ms var(--ease), box-shadow 180ms var(--ease);
}

.page-news .cn-card:nth-child(3n) {
  border-radius: var(--radius-lg);
}

.page-news .cn-card:nth-child(4n) {
  border-radius: var(--radius-sm);
}

.page-news .cn-card:hover,
.page-news .cn-card:focus-within {
  transform: translateY(-4px);
  border-color: var(--line-strong);
  box-shadow: var(--shadow-card);
}

.page-news .cn-card__num {
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--cyan);
}

.page-news .cn-card__title {
  font-family: var(--font-heading);
  font-weight: 900;
  font-size: 15px;
  line-height: 1.35;
  color: var(--snow);
}

.page-news .cn-card__text {
  font-size: 12.5px;
  line-height: 1.6;
  color: var(--mist);
}

/* ============ 收藏与定位 ============ */
.page-news .split {
  display: grid;
  gap: 26px;
}

.page-news .split__main {
  display: grid;
  gap: 16px;
}

.page-news .method {
  padding: 20px 20px 22px;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: rgba(18, 42, 85, 0.4);
}

.page-news .method h3 {
  display: flex;
  align-items: center;
  gap: 12px;
  margin: 0 0 10px;
  font-family: var(--font-heading);
  font-weight: 900;
  font-size: 17px;
  color: var(--snow);
}

.page-news .method__num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 30px;
  height: 30px;
  flex: none;
  border: 2px solid var(--cyan);
  border-radius: 50%;
  font-size: 13px;
  color: var(--cyan);
}

.page-news .method p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--mist);
}

.page-news .split__aside {
  display: grid;
  gap: 16px;
}

.page-news .aside-note {
  padding: 18px 20px;
  border: 2px solid var(--line-strong);
  border-radius: var(--radius-md);
  background: linear-gradient(160deg, rgba(34, 211, 238, 0.09), rgba(11, 27, 58, 0.6));
}

.page-news .aside-note__title {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--gold);
}

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

.page-news .aside-list li {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: baseline;
  font-size: 13.5px;
  line-height: 1.6;
  color: var(--mist);
  padding-bottom: 10px;
  border-bottom: 1px dashed var(--line);
}

.page-news .aside-list li:last-child {
  border-bottom: none;
  padding-bottom: 0;
}

.page-news .aside-list .mono {
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--cyan-light);
}

/* ============ 时间轴 ============ */
.page-news .stage-filter {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 20px;
}

.page-news .stage-filter .chip {
  padding: 6px 14px;
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  font-size: 13px;
  color: var(--cyan-light);
  background: transparent;
}

.page-news .stage-filter .chip--active {
  background: var(--cyan);
  border-color: var(--cyan);
  color: var(--ink);
  font-weight: 700;
}

.page-news .stage-filter .chip--gold {
  border-color: var(--gold);
  color: var(--gold);
}

.page-news .timeline {
  overflow-x: auto;
  overflow-y: hidden;
  scroll-snap-type: x mandatory;
  -webkit-overflow-scrolling: touch;
  padding-bottom: 14px;
  border-top: 2px solid var(--line-strong);
}

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

.page-news .timeline__track {
  display: flex;
  gap: 14px;
  margin: 0;
  padding: 18px 0 4px;
  list-style: none;
  width: max-content;
}

.page-news .stage {
  position: relative;
  flex: 0 0 78vw;
  max-width: 320px;
  scroll-snap-align: start;
  padding: 20px 18px 22px;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: linear-gradient(160deg, rgba(18, 42, 85, 0.92), rgba(11, 27, 58, 0.7));
  transition: transform 180ms var(--ease), border-color 180ms var(--ease);
}

.page-news .stage::before {
  content: "";
  position: absolute;
  top: -25px;
  left: 22px;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--cyan);
  box-shadow: 0 0 0 4px rgba(34, 211, 238, 0.16);
}

.page-news .stage:hover {
  transform: translateY(-4px);
  border-color: var(--line-strong);
}

.page-news .stage__num {
  display: block;
  margin-bottom: 10px;
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--purple);
}

.page-news .stage__title {
  margin: 0 0 10px;
  font-family: var(--font-heading);
  font-weight: 900;
  font-size: 17px;
  color: var(--snow);
}

.page-news .stage__text {
  margin: 0 0 16px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--mist);
}

.page-news .stage__tag {
  display: inline-block;
  padding: 4px 12px;
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  font-size: 12px;
  color: var(--cyan-light);
}

.page-news .stage__tag--gold {
  border-color: var(--gold);
  color: var(--gold);
}

.page-news .rail__hint {
  margin: 10px 0 0;
  font-size: 12.5px;
  color: var(--mist);
}

.page-news .timeline-note {
  margin-top: 26px;
  padding: 20px 22px;
  border-left: 2px solid var(--purple);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  background: rgba(124, 92, 255, 0.09);
}

.page-news .timeline-note p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--mist);
}

/* ============ 笔记列表 ============ */
.page-news .note-list {
  display: grid;
  gap: 4px;
  border-bottom: 1px solid var(--line);
}

.page-news .note {
  border-top: 1px solid var(--line);
  border-left: 3px solid var(--line-strong);
  padding-left: 0;
  transition: background 180ms var(--ease), border-left-color 180ms var(--ease);
}

.page-news .note--adapt { border-left-color: var(--cyan); }
.page-news .note--account { border-left-color: var(--purple); }
.page-news .note--nav { border-left-color: var(--cyan-light); }
.page-news .note--data { border-left-color: var(--gold); }
.page-news .note--service { border-left-color: var(--purple-deep); }

.page-news .note[open] {
  background: rgba(18, 42, 85, 0.4);
}

.page-news .note__head {
  display: flex;
  gap: 14px;
  align-items: flex-start;
  padding: 18px 16px;
  cursor: pointer;
  list-style: none;
}

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

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

.page-news .note__num {
  flex: none;
  padding-top: 2px;
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--mist);
}

.page-news .note__body {
  display: grid;
  gap: 8px;
  min-width: 0;
}

.page-news .note__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
}

.page-news .note__meta .chip {
  padding: 3px 10px;
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  font-size: 11.5px;
  color: var(--cyan-light);
}

.page-news .note__time {
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.06em;
  color: var(--mist);
}

.page-news .note__title {
  font-family: var(--font-heading);
  font-weight: 900;
  font-size: 16px;
  line-height: 1.4;
  color: var(--snow);
}

.page-news .note__content {
  padding: 0 16px 20px 46px;
}

.page-news .note__content p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--mist);
}

.page-news .note__content a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid var(--line-strong);
}

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

/* ============ 更新节奏 ============ */
.page-news .cycle-grid {
  display: grid;
  gap: 16px;
  margin-bottom: 26px;
}

.page-news .cycle-card {
  padding: 22px 20px 24px;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: linear-gradient(160deg, rgba(18, 42, 85, 0.75), rgba(11, 27, 58, 0.5));
}

.page-news .cycle-card:nth-child(2) {
  border-radius: var(--radius-lg);
}

.page-news .cycle-card__num {
  display: inline-block;
  margin-bottom: 12px;
  padding: 4px 12px;
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--cyan);
}

.page-news .cycle-card h3 {
  margin: 0 0 10px;
  font-family: var(--font-heading);
  font-weight: 900;
  font-size: 16px;
  color: var(--snow);
}

.page-news .cycle-card p {
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--mist);
}

.page-news .closing {
  padding: 20px 22px;
  border: 2px solid var(--gold);
  border-radius: var(--radius-md);
  background: rgba(240, 180, 41, 0.07);
}

.page-news .closing p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--snow);
}

.page-news .closing a {
  color: var(--gold);
  text-decoration: none;
  border-bottom: 1px solid rgba(240, 180, 41, 0.5);
}

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

/* ============ 响应式 ============ */
@media (min-width: 640px) {
  .page-news .news-hero {
    padding: 56px 0 56px;
  }

  .page-news .news-hero h1 {
    font-size: 36px;
  }

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

  .page-news .hero-stat {
    flex-direction: column;
    align-items: flex-start;
    gap: 8px;
  }

  .page-news .index-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 14px;
  }

  .page-news .stage {
    flex: 0 0 300px;
  }

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

@media (min-width: 900px) {
  .page-news .section-head h2 {
    font-size: 30px;
  }

  .page-news .section-head .lead {
    font-size: 16px;
  }

  .page-news .split {
    grid-template-columns: 7fr 4fr;
    gap: 34px;
    align-items: start;
  }

  .page-news .split__aside {
    position: sticky;
    top: 32px;
  }

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

  .page-news .cn-groups {
    gap: 44px;
  }

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

  .page-news .note__content {
    padding-left: 58px;
    padding-right: 40px;
  }
}

@media (min-width: 1100px) {
  .page-news .news-hero h1 {
    font-size: 44px;
  }

  .page-news .section {
    padding-top: 88px;
    padding-bottom: 88px;
  }

  .page-news .section--tight {
    padding-top: 64px;
    padding-bottom: 88px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-news .cn-card,
  .page-news .stage,
  .page-news .note {
    transition: none;
  }

  .page-news .cn-card:hover,
  .page-news .cn-card:focus-within,
  .page-news .stage:hover {
    transform: none;
  }

  .page-news .timeline {
    scroll-behavior: auto;
  }
}