.page-news {
  --np-paper: #F4F1E6;
  --np-ink: #10251F;
  --np-line: #2E5B52;
  --np-accent: #24F0C8;
  --np-action: #FF6A2B;
  --np-surface: #14382F;
  --np-surface-2: #0E2F28;
  display: block;
  background: var(--c-bg);
  color: var(--c-text);
}

.page-news img {
  max-width: 100%;
}

/* ============ 首屏 ============ */
.page-news .news-hero {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  background: var(--c-bg-deep);
  border-bottom-left-radius: var(--r-lg);
  border-bottom-right-radius: var(--r-lg);
}

.page-news .news-hero__art {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.page-news .news-hero__art img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: 68% 42%;
  opacity: 0.34;
}

.page-news .news-hero__veil {
  position: absolute;
  inset: 0;
  z-index: 1;
  background:
    linear-gradient(180deg, rgba(6, 26, 23, 0.25) 0%, rgba(6, 26, 23, 0.88) 64%, #0B2B26 100%),
    repeating-linear-gradient(90deg, rgba(36, 240, 200, 0.07) 0 1px, transparent 1px 96px);
}

.page-news .news-hero__inner {
  position: relative;
  z-index: 2;
  display: flex;
  flex-direction: column;
  gap: 0.9rem;
  padding-top: 2rem;
  padding-bottom: 2.5rem;
}

.page-news .news-crumbs ol {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem;
  list-style: none;
  margin: 0;
  padding: 0;
  font-size: 0.8125rem;
  letter-spacing: 0.04em;
}

.page-news .news-crumbs li + li::before {
  content: "/";
  margin-right: 0.5rem;
  color: var(--np-line);
}

.page-news .news-crumbs a {
  color: var(--c-text-dim);
  text-decoration: none;
}

.page-news .news-crumbs a:hover,
.page-news .news-crumbs a:focus-visible {
  color: var(--np-accent);
}

.page-news .news-crumbs [aria-current="page"] {
  color: #EAF6F1;
}

.page-news .news-hero .eyebrow {
  margin: 0.25rem 0 0;
  color: var(--np-accent);
  letter-spacing: 0.2em;
}

.page-news h1 {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(2.1rem, 8.6vw, 4rem);
  font-weight: 800;
  line-height: 1.02;
  letter-spacing: -0.02em;
  max-width: 13ch;
  color: #F2FBF7;
}

.page-news .news-hero__lede {
  margin: 0;
  max-width: 62ch;
  font-size: 1.0625rem;
  line-height: 1.8;
  color: #C4DDD5;
}

.page-news .news-hero__status {
  display: flex;
  align-items: center;
  gap: 0.625rem;
  margin: 0.5rem 0 0;
  padding: 0.5rem 0 0;
  border-top: 1px solid rgba(46, 91, 82, 0.7);
  max-width: 62ch;
  font-size: 0.875rem;
  line-height: 1.6;
  color: var(--c-text-dim);
}

/* ============ 主体布局 ============ */
.page-news .news-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1.5rem;
  padding-top: 2rem;
  padding-bottom: 3.5rem;
}

.page-news .news-stream {
  min-width: 0;
}

/* ============ 侧栏章节目录 ============ */
.page-news .news-rail {
  order: -1;
  min-width: 0;
}

.page-news .news-rail .eyebrow {
  margin: 0 0 0.5rem;
  color: var(--np-line);
}

.page-news .chapter-nav {
  display: flex;
  gap: 0.5rem;
  overflow-x: auto;
  padding-bottom: 0.5rem;
  scrollbar-width: none;
  -webkit-overflow-scrolling: touch;
}

.page-news .chapter-nav::-webkit-scrollbar {
  display: none;
}

.page-news .chapter-nav__link {
  flex: 0 0 auto;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.4rem 0.75rem;
  border-radius: var(--r-pill);
  border: 1px solid var(--np-line);
  color: var(--c-text-dim);
  font-size: 0.8125rem;
  line-height: 1.2;
  white-space: nowrap;
  text-decoration: none;
  transition: color 0.16s ease, border-color 0.16s ease, background-color 0.16s ease;
}

.page-news .chapter-nav__link .mono {
  color: var(--np-line);
  font-size: 0.6875rem;
}

.page-news .chapter-nav__link:hover,
.page-news .chapter-nav__link:focus-visible {
  color: #EAF6F1;
  border-color: var(--np-accent);
}

.page-news .chapter-nav__link[aria-current="true"] {
  color: var(--np-accent);
  border-color: var(--np-accent);
  background: rgba(36, 240, 200, 0.08);
}

.page-news .chapter-nav__link[aria-current="true"] .mono {
  color: var(--np-accent);
}

/* ============ 章节骨架 ============ */
.page-news .news-chapter {
  padding-bottom: 2.5rem;
  margin-bottom: 2.5rem;
  border-bottom: 1px solid rgba(46, 91, 82, 0.55);
}

.page-news .news-chapter:last-child {
  border-bottom: 0;
  margin-bottom: 0;
  padding-bottom: 0;
}

.page-news .chapter__head {
  margin-bottom: 1.5rem;
}

.page-news .news-chapter .chapter__num {
  margin: 0 0 0.5rem;
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.2em;
  color: var(--np-accent);
}

.page-news .news-chapter .chapter__num::after {
  content: "";
  display: inline-block;
  vertical-align: middle;
  width: 2rem;
  height: 2px;
  margin-left: 0.625rem;
  background: linear-gradient(90deg, var(--np-accent), transparent);
}

.page-news .news-chapter .chapter__title {
  margin: 0 0 0.625rem;
  font-family: var(--font-display);
  font-size: clamp(1.55rem, 5.4vw, 2.375rem);
  font-weight: 800;
  line-height: 1.14;
  letter-spacing: -0.012em;
  color: #F2FBF7;
}

.page-news .news-chapter .chapter__lede {
  margin: 0;
  max-width: 58ch;
  font-size: 1rem;
  line-height: 1.75;
  color: var(--c-text-dim);
}

.page-news .news-note {
  margin: 1.25rem 0 0;
  padding: 0.875rem 1rem;
  border-left: 2px solid var(--np-accent);
  background: rgba(36, 240, 200, 0.06);
  border-radius: 0 var(--r-sm) var(--r-sm) 0;
  font-size: 0.875rem;
  line-height: 1.7;
  color: #C4DDD5;
}

/* ============ 头条卡片（米白亮区） ============ */
.page-news .headline-stack {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1rem;
}

.page-news .headline-card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  padding: 1.5rem 1.25rem 1.25rem;
  border-radius: var(--r-lg);
  background: var(--np-paper);
  color: var(--np-ink);
  overflow: hidden;
}

.page-news .headline-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--np-action), var(--np-accent) 62%, transparent);
}

.page-news .headline-card__meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  flex-wrap: wrap;
}

.page-news .headline-card__time {
  font-family: var(--font-mono);
  font-size: 1.25rem;
  font-weight: 500;
  letter-spacing: 0.02em;
  color: #0B2B26;
}

.page-news .headline-card__title {
  margin: 0;
  font-family: var(--font-display);
  font-size: 1.125rem;
  font-weight: 700;
  line-height: 1.35;
  color: var(--np-ink);
}

.page-news .headline-card:first-child .headline-card__title {
  font-size: clamp(1.375rem, 4.6vw, 2rem);
  line-height: 1.2;
}

.page-news .headline-card__lead {
  margin: 0;
  max-width: 70ch;
  font-size: 0.9375rem;
  line-height: 1.75;
  color: #3C4A45;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* ============ 折叠面板 ============ */
.page-news .fold {
  margin-top: auto;
  padding-top: 0.625rem;
  border-top: 1px solid rgba(16, 37, 31, 0.18);
}

.page-news .fold__summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  cursor: pointer;
  list-style: none;
  font-size: 0.8125rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: #0B2B26;
}

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

.page-news .fold__summary:focus-visible {
  outline: 2px solid var(--np-action);
  outline-offset: 3px;
  border-radius: var(--r-sm);
}

.page-news .fold__mark {
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: 1.125rem;
  line-height: 1;
  color: var(--np-action);
  transition: transform 0.22s cubic-bezier(0.22, 0.8, 0.28, 1);
}

.page-news .fold[open] .fold__mark {
  transform: rotate(45deg);
}

.page-news .fold__body {
  padding-top: 0.875rem;
}

.page-news .dim-list {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 0.75rem;
  margin: 0;
}

.page-news .dim-list dt {
  margin: 0 0 0.1875rem;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: #0B2B26;
}

.page-news .dim-list dd {
  margin: 0;
  font-size: 0.8125rem;
  line-height: 1.65;
  color: #45564F;
}

/* ============ 四维对照网格 ============ */
.page-news .dim-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 0.875rem;
  margin-top: 1.5rem;
}

.page-news .dim-card {
  display: flex;
  flex-direction: column;
  gap: 0.4375rem;
  padding: 1.125rem 1rem 1.25rem;
  border: 1px solid var(--np-line);
  border-radius: var(--r-md);
  background: var(--np-surface);
}

.page-news .dim-card__idx {
  margin: 0;
  font-size: 0.75rem;
  letter-spacing: 0.14em;
  color: var(--np-accent);
}

.page-news .dim-card__title {
  margin: 0;
  font-size: 1rem;
  font-weight: 700;
  line-height: 1.4;
  color: #EAF6F1;
}

.page-news .dim-card__text {
  margin: 0;
  font-size: 0.875rem;
  line-height: 1.7;
  color: var(--c-text-dim);
}

/* ============ 图片与说明 ============ */
.page-news .news-figure {
  margin: 0 0 1.5rem;
  border-radius: var(--r-lg);
  overflow: hidden;
  background: var(--np-surface-2);
  border: 1px solid var(--np-line);
}

.page-news .news-figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 2 / 1;
  object-fit: cover;
  object-position: 50% 45%;
}

.page-news .news-figure__cap {
  padding: 0.75rem 1rem;
  font-size: 0.8125rem;
  line-height: 1.6;
  color: var(--c-text-dim);
  border-top: 1px solid rgba(46, 91, 82, 0.6);
}

/* ============ 专题条目（时间轴） ============ */
.page-news .series-list {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
}

.page-news .series-item {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  padding: 1.125rem 0 1.25rem 1.125rem;
  border-bottom: 1px solid rgba(46, 91, 82, 0.5);
}

.page-news .series-item:last-child {
  border-bottom: 0;
}

.page-news .series-item::before {
  content: "";
  position: absolute;
  left: 0;
  top: 1.5rem;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--np-line);
  transition: background-color 0.2s ease, box-shadow 0.2s ease;
}

.page-news .series-item:hover::before,
.page-news .series-item:focus-within::before {
  background: var(--np-accent);
  box-shadow: 0 0 0 5px rgba(36, 240, 200, 0.16);
}

.page-news .series-item__top {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.625rem;
}

.page-news .series-item__when {
  font-size: 0.75rem;
  letter-spacing: 0.06em;
  color: var(--c-text-dim);
}

.page-news .series-item__title {
  margin: 0;
  font-family: var(--font-display);
  font-size: 1.0625rem;
  font-weight: 700;
  line-height: 1.42;
  color: #EAF6F1;
}

.page-news .series-item__text {
  margin: 0;
  max-width: 62ch;
  font-size: 0.875rem;
  line-height: 1.72;
  color: var(--c-text-dim);
}

.page-news .series-item__link {
  align-self: flex-start;
  font-size: 0.8125rem;
  letter-spacing: 0.05em;
  color: var(--np-accent);
  text-decoration: none;
  border-bottom: 1px solid rgba(36, 240, 200, 0.4);
  padding-bottom: 1px;
  transition: color 0.16s ease, border-color 0.16s ease;
}

.page-news .series-item__link:hover,
.page-news .series-item__link:focus-visible {
  color: #7FF7DF;
  border-bottom-color: #7FF7DF;
}

/* ============ 版本记录 ============ */
.page-news .ver-list {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 0.625rem;
}

.page-news .ver {
  border: 1px solid var(--np-line);
  border-radius: var(--r-md);
  background: var(--np-surface-2);
  overflow: hidden;
}

.page-news .ver[open] {
  border-color: rgba(36, 240, 200, 0.55);
  background: var(--np-surface);
}

.page-news .ver__summary {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.9375rem 1rem;
  cursor: pointer;
  list-style: none;
  font-size: 0.9375rem;
  line-height: 1.5;
  color: #EAF6F1;
}

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

.page-news .ver__summary:focus-visible {
  outline: 2px solid var(--np-accent);
  outline-offset: -2px;
}

.page-news .ver__badge {
  flex: 0 0 auto;
  padding: 0.25rem 0.5rem;
  border-radius: var(--r-pill);
  background: rgba(36, 240, 200, 0.12);
  border: 1px solid rgba(36, 240, 200, 0.4);
  font-size: 0.75rem;
  letter-spacing: 0.06em;
  color: var(--np-accent);
}

.page-news .ver__name {
  flex: 1 1 auto;
  min-width: 0;
  font-weight: 600;
}

.page-news .ver__chev {
  flex: 0 0 auto;
  width: 0.5rem;
  height: 0.5rem;
  border-right: 2px solid var(--c-text-dim);
  border-bottom: 2px solid var(--c-text-dim);
  transform: rotate(45deg) translate(-2px, -2px);
  transition: transform 0.22s cubic-bezier(0.22, 0.8, 0.28, 1);
}

.page-news .ver[open] .ver__chev {
  transform: rotate(-135deg) translate(-2px, -2px);
  border-color: var(--np-accent);
}

.page-news .ver__list {
  margin: 0;
  padding: 0 1rem 1.125rem 2.125rem;
  display: grid;
  gap: 0.5rem;
}

.page-news .ver__list li {
  font-size: 0.875rem;
  line-height: 1.7;
  color: var(--c-text-dim);
}

/* ============ 订阅与回访 ============ */
.page-news .reach-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1rem;
}

.page-news .reach-card {
  display: flex;
  flex-direction: column;
  gap: 0.625rem;
  padding: 1.375rem 1.125rem 1.25rem;
  border-radius: var(--r-lg);
  background: var(--np-surface);
  border: 1px solid var(--np-line);
  position: relative;
}

.page-news .reach-card__idx {
  margin: 0;
  font-size: 1.5rem;
  font-weight: 500;
  letter-spacing: 0.04em;
  color: var(--np-action);
  line-height: 1;
}

.page-news .reach-card__title {
  margin: 0;
  font-family: var(--font-display);
  font-size: 1.125rem;
  font-weight: 700;
  line-height: 1.4;
  color: #F2FBF7;
}

.page-news .reach-card__text {
  margin: 0;
  font-size: 0.9375rem;
  line-height: 1.75;
  color: var(--c-text-dim);
}

.page-news .reach-card .btn {
  align-self: flex-start;
  margin-top: 0.25rem;
}

.page-news .news-routes {
  margin-top: 1.75rem;
  padding-top: 1.25rem;
  border-top: 1px dashed rgba(46, 91, 82, 0.7);
}

.page-news .news-routes .eyebrow {
  margin: 0 0 0.75rem;
  color: var(--np-accent);
}

.page-news .news-routes__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 0.5rem;
}

.page-news .news-routes__list li {
  border-bottom: 1px solid rgba(46, 91, 82, 0.45);
}

.page-news .news-routes__list a {
  display: block;
  padding: 0.625rem 0;
  font-size: 0.9375rem;
  line-height: 1.6;
  color: #C4DDD5;
  text-decoration: none;
  transition: color 0.16s ease, padding-left 0.16s ease;
}

.page-news .news-routes__list a:hover,
.page-news .news-routes__list a:focus-visible {
  color: var(--np-accent);
  padding-left: 0.375rem;
}

/* ============ 响应式 ============ */
@media (min-width: 34rem) {
  .page-news .fold .dim-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

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

  .page-news .news-routes__list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 0.25rem 1.5rem;
  }

  .page-news .news-hero__inner {
    padding-top: 2.5rem;
    padding-bottom: 3rem;
  }
}

@media (min-width: 48rem) {
  .page-news .headline-stack {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-news .headline-card:first-child {
    grid-column: 1 / -1;
  }

  .page-news .headline-card {
    padding: 1.75rem 1.5rem 1.5rem;
  }

  .page-news .news-figure img {
    aspect-ratio: 5 / 2;
  }

  .page-news .news-figure--tall img {
    aspect-ratio: 3 / 2;
  }

  .page-news .series-item {
    padding-left: 1.375rem;
  }
}

@media (min-width: 62rem) {
  .page-news .news-layout {
    grid-template-columns: minmax(0, 1fr) 13.5rem;
    gap: 2rem 2.75rem;
    padding-top: 2.75rem;
    padding-bottom: 4.5rem;
  }

  .page-news .news-rail {
    order: 0;
  }

  .page-news .news-rail__inner {
    position: sticky;
    top: 6.5rem;
  }

  .page-news .news-rail .eyebrow {
    margin-bottom: 0.875rem;
  }

  .page-news .chapter-nav {
    flex-direction: column;
    gap: 0;
    overflow: visible;
    padding-bottom: 0;
    border-left: 1px solid rgba(46, 91, 82, 0.7);
  }

  .page-news .chapter-nav__link {
    align-items: baseline;
    border: 0;
    border-radius: 0;
    border-left: 2px solid transparent;
    margin-left: -1px;
    padding: 0.5rem 0 0.5rem 0.875rem;
    white-space: normal;
    background: transparent;
  }

  .page-news .chapter-nav__link:hover,
  .page-news .chapter-nav__link:focus-visible {
    border-left-color: rgba(36, 240, 200, 0.6);
  }

  .page-news .chapter-nav__link[aria-current="true"] {
    background: transparent;
    border-left-color: var(--np-accent);
  }

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

  .page-news .news-chapter {
    padding-bottom: 3.25rem;
    margin-bottom: 3.25rem;
  }

  .page-news .headline-card:first-child .headline-card__lead {
    font-size: 1rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-news * {
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
  }
}