.page-news {
  --pn-note-pad: var(--s3);
  position: relative;
  max-width: var(--content-max);
  margin-inline: auto;
  padding: var(--s4) var(--s3) var(--s7);
  background:
    radial-gradient(120% 55% at 10% 0%, rgba(53, 240, 196, 0.07), transparent 62%),
    radial-gradient(90% 45% at 100% 20%, rgba(255, 178, 77, 0.05), transparent 60%);
}

.page-news .breadcrumbs {
  display: block;
  margin-bottom: var(--s3);
}

.page-news .breadcrumbs ol {
  display: flex;
  align-items: center;
  gap: 6px;
  margin: 0;
  padding: 0;
  list-style: none;
  font-family: var(--font-data);
  font-size: 12px;
  color: var(--muted);
}

.page-news .breadcrumbs li + li::before {
  content: "/";
  margin-right: 6px;
  color: var(--line);
}

.page-news .breadcrumbs a {
  color: var(--muted);
  text-decoration: none;
  transition: color 0.2s var(--ease);
}

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

/* ---------- 首屏 ---------- */
.page-news .pn-hero {
  display: grid;
  gap: var(--s3);
  padding: var(--s1) 0 var(--s4);
}

.page-news .pn-hero__kicker {
  display: inline-flex;
  align-items: center;
  gap: var(--s1);
  margin: 0 0 var(--s2);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--cyan);
}

.page-news .pn-hero__title {
  margin: 0;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: 32px;
  line-height: 1.16;
  letter-spacing: -0.01em;
  color: var(--text);
}

.page-news .pn-hero__lead {
  margin: var(--s2) 0 0;
  max-width: 62ch;
  font-size: 16px;
  line-height: 1.78;
  color: var(--muted);
}

.page-news .pn-stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(130px, 1fr));
  gap: var(--s2);
  margin: 0;
  padding-top: var(--s3);
  border-top: 1px solid var(--line);
}

.page-news .pn-stat {
  display: grid;
  gap: 4px;
}

.page-news .pn-stat__label {
  font-family: var(--font-data);
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--muted);
}

.page-news .pn-stat__value {
  font-family: var(--font-data);
  font-variant-numeric: tabular-nums;
  font-size: 30px;
  font-weight: 700;
  line-height: 1.1;
  color: var(--cyan);
}

.page-news .pn-stat__unit {
  margin-left: 4px;
  font-size: 13px;
  font-weight: 400;
  color: var(--muted);
}

/* ---------- 栏目筛选条 ---------- */
.page-news .pn-filter {
  position: sticky;
  top: var(--bar-h);
  z-index: 30;
  margin: var(--s4) calc(var(--s3) * -1) 0;
  padding: var(--s2) var(--s3);
  border-bottom: 1px solid var(--line);
  background: rgba(4, 21, 15, 0.95);
  backdrop-filter: blur(10px);
}

.page-news .pn-filter__list {
  display: flex;
  gap: var(--s1);
  margin: 0;
  padding: 0 0 2px;
  list-style: none;
  overflow-x: auto;
  scrollbar-width: none;
  -webkit-overflow-scrolling: touch;
}

.page-news .pn-filter__list::-webkit-scrollbar {
  display: none;
}

.page-news .pn-chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 7px 14px;
  border: 1px solid var(--line);
  border-radius: var(--pill);
  background: var(--panel);
  color: var(--muted);
  font-size: 14px;
  line-height: 1.4;
  text-decoration: none;
  white-space: nowrap;
  transition: color 0.2s var(--ease), border-color 0.2s var(--ease), background-color 0.2s var(--ease);
}

.page-news .pn-chip__num {
  font-size: 11px;
  color: var(--line);
  transition: color 0.2s var(--ease);
}

.page-news .pn-chip:hover,
.page-news .pn-chip:focus-visible {
  color: var(--text);
  border-color: rgba(53, 240, 196, 0.6);
  background: var(--panel-2);
}

.page-news .pn-chip:hover .pn-chip__num,
.page-news .pn-chip:focus-visible .pn-chip__num {
  color: var(--cyan);
}

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

.page-news .pn-chip--all {
  color: var(--cyan-soft);
  border-color: rgba(53, 240, 196, 0.45);
}

/* ---------- 宽幅氛围图 ---------- */
.page-news .pn-banner {
  position: relative;
  margin: var(--s4) 0 0;
  border-radius: var(--r-xl);
  overflow: hidden;
  background: var(--panel);
}

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

.page-news .pn-banner::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(4, 21, 15, 0.06) 28%, rgba(4, 21, 15, 0.8) 100%);
  pointer-events: none;
}

.page-news .pn-banner__caption {
  position: absolute;
  left: var(--s3);
  right: var(--s3);
  bottom: var(--s2);
  z-index: 1;
  margin: 0;
  font-size: 12px;
  letter-spacing: 0.05em;
  color: var(--cyan-soft);
}

/* ---------- 章节 ---------- */
.page-news .pn-sec {
  margin-top: var(--s5);
  scroll-margin-top: calc(var(--bar-h) + 78px);
}

.page-news .pn-sec__lead {
  margin: 0 0 var(--s3);
  max-width: 68ch;
  font-size: 16px;
  line-height: 1.78;
  color: var(--muted);
}

/* ---------- 条目列表 ---------- */
.page-news .pn-list {
  display: grid;
  gap: var(--s2);
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-news .pn-item {
  position: relative;
  margin: 0;
  border: 1px solid var(--line);
  border-radius: var(--r-card);
  background: var(--panel);
  overflow: hidden;
  transition: border-color 0.25s var(--ease), background-color 0.25s var(--ease);
}

.page-news .pn-item::before {
  content: "";
  position: absolute;
  top: 22px;
  bottom: 22px;
  left: 0;
  z-index: 2;
  width: 2px;
  border-radius: 2px;
  background: var(--cyan);
  opacity: 0;
  transform: scaleY(0.3);
  transform-origin: center;
  transition: opacity 0.25s var(--ease), transform 0.25s var(--ease);
}

.page-news .pn-item:hover,
.page-news .pn-item:focus-within {
  border-color: rgba(53, 240, 196, 0.45);
  background: var(--panel-2);
}

.page-news .pn-item:hover::before,
.page-news .pn-item:focus-within::before {
  opacity: 1;
  transform: scaleY(1);
}

.page-news .pn-item__expand > summary {
  display: grid;
  gap: 6px;
  padding: var(--s3);
  cursor: pointer;
  list-style: none;
}

.page-news .pn-item__expand > summary::-webkit-details-marker {
  display: none;
}

.page-news .pn-item__expand > summary::marker {
  content: "";
}

.page-news .pn-item__expand > summary:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: -2px;
}

.page-news .pn-item__top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--s2);
}

.page-news .pn-item__meta {
  font-size: 12px;
  letter-spacing: 0.05em;
  color: var(--cyan);
}

.page-news .pn-item__cue {
  font-size: 12px;
  color: var(--muted);
  transition: color 0.2s var(--ease);
}

.page-news .pn-item__cue::before {
  content: "＋ ";
}

.page-news .pn-item__expand[open] .pn-item__cue {
  color: var(--amber);
}

.page-news .pn-item__expand[open] .pn-item__cue::before {
  content: "－ ";
}

.page-news .pn-item__expand > summary:hover .pn-item__cue {
  color: var(--cyan-soft);
}

.page-news .pn-item__title {
  display: block;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: 20px;
  line-height: 1.35;
  letter-spacing: -0.005em;
  color: var(--text);
}

.page-news .pn-item__desc {
  display: block;
  font-size: 15px;
  line-height: 1.72;
  color: var(--muted);
}

.page-news .pn-item__figure {
  position: relative;
  display: block;
  overflow: hidden;
  border-radius: var(--r-sm);
  background: var(--panel-2);
}

.page-news .pn-item__figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 4 / 3;
  object-fit: cover;
}

.page-news .pn-item__figure::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(155deg, rgba(4, 21, 15, 0) 42%, rgba(4, 21, 15, 0.6) 100%);
  pointer-events: none;
}

.page-news .pn-item__body {
  display: grid;
  gap: var(--s2);
  padding: var(--s3) var(--s3) var(--s4);
  border-top: 1px solid var(--line);
  background: linear-gradient(180deg, rgba(18, 48, 38, 0.5), rgba(18, 48, 38, 0));
  font-size: 15px;
  line-height: 1.78;
  color: var(--muted);
}

.page-news .pn-item__body p {
  margin: 0;
}

.page-news .pn-item__link {
  margin-top: 2px;
}

/* ---------- 说明卡片 ---------- */
.page-news .pn-notes {
  display: grid;
  gap: var(--s2);
}

.page-news .pn-note {
  display: grid;
  gap: var(--s1);
  align-content: start;
  padding: var(--pn-note-pad);
}

.page-news .pn-note__num {
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--muted);
}

.page-news .pn-note__title {
  margin: 0;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: 20px;
  line-height: 1.35;
  color: var(--text);
}

.page-news .pn-note__text {
  margin: 0;
  font-size: 15px;
  line-height: 1.78;
  color: var(--muted);
}

.page-news .pn-cta {
  display: flex;
  flex-wrap: wrap;
  gap: var(--s2);
  margin-top: var(--s3);
}

.page-news .pn-cta__hint {
  margin: var(--s2) 0 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--muted);
}

.page-news .pn-cta__hint a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(53, 240, 196, 0.4);
  transition: color 0.2s var(--ease), border-color 0.2s var(--ease);
}

.page-news .pn-cta__hint a:hover {
  color: var(--cyan-soft);
  border-color: var(--cyan-soft);
}

/* ---------- 宽屏 ---------- */
@media (min-width: 700px) {
  .page-news .pn-hero__title {
    font-size: 40px;
  }

  .page-news .pn-banner img {
    aspect-ratio: 16 / 6;
  }
}

@media (min-width: 760px) {
  .page-news .pn-item--wide .pn-item__expand > summary {
    grid-template-columns: minmax(0, 0.92fr) minmax(0, 1.08fr);
    align-items: center;
    gap: var(--s4);
    padding: var(--s4);
  }

  .page-news .pn-item--wide .pn-item__figure {
    order: -1;
  }

  .page-news .pn-item--wide-flip .pn-item__figure {
    order: 2;
  }

  .page-news .pn-item--wide-flip .pn-item__text {
    order: 1;
  }

  .page-news .pn-item--wide .pn-item__title {
    font-size: 24px;
  }

  .page-news .pn-item--wide .pn-item__body {
    padding: var(--s3) var(--s4) var(--s4);
  }
}

@media (min-width: 860px) {
  .page-news .pn-notes {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (min-width: 980px) {
  .page-news {
    padding: var(--s5) var(--s4) var(--s7);
  }

  .page-news .pn-hero {
    grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr);
    align-items: end;
    gap: var(--s5);
    padding-bottom: var(--s5);
  }

  .page-news .pn-hero__title {
    font-size: 44px;
  }

  .page-news .pn-stats {
    padding-top: 0;
    border-top: 0;
  }

  .page-news .pn-filter {
    margin-inline: calc(var(--s5) * -1);
    padding-inline: var(--s5);
  }

  .page-news .pn-sec {
    margin-top: var(--s6);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-news .pn-item,
  .page-news .pn-item::before,
  .page-news .pn-chip,
  .page-news .pn-item__cue {
    transition: none;
  }
}
</main>