.page-news {
  --news-rail: 96px;
  --news-hair: 1px solid rgba(30, 90, 71, 0.5);
  --news-card-bg: rgba(10, 43, 34, 0.04);
  background: var(--deep-950);
}

.page-news .news-crumb {
  padding-block: 18px;
  border-bottom: 1px solid rgba(30, 90, 71, 0.42);
  background: var(--deep-950);
}

.page-news .news-crumb .breadcrumb {
  font-size: 12px;
  letter-spacing: 0.06em;
}

/* ---------- 首屏 ---------- */
.page-news .news-hero {
  padding-block: var(--space-m) var(--space-l);
  background:
    radial-gradient(700px 420px at 88% 12%, rgba(47, 169, 140, 0.12), transparent 70%),
    linear-gradient(180deg, var(--ink-900) 0%, var(--ink-700) 62%, var(--deep-950) 100%);
}

.page-news .news-hero__grid {
  display: grid;
  gap: var(--space-m);
  align-items: end;
}

.page-news .news-hero__title {
  margin: 14px 0 0;
  font-family: var(--font-display);
  font-weight: 300;
  font-size: clamp(2.1rem, 5vw, 4rem);
  line-height: 1.2;
  letter-spacing: -0.02em;
  color: var(--ivory-050);
  max-width: 20ch;
}

.page-news .news-hero__lede {
  margin: 20px 0 0;
  max-width: 40ch;
  font-size: var(--body-fluid);
  line-height: 1.85;
  color: rgba(244, 239, 228, 0.82);
}

.page-news .news-hero__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 14px 28px;
  margin: 28px 0 0;
  padding: 18px 0 0;
  list-style: none;
  border-top: var(--line-gold);
}

.page-news .news-hero__meta-item {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.page-news .news-hero__meta-item .mono-index {
  color: var(--sage-500);
  font-size: 11px;
  letter-spacing: 0.12em;
}

.page-news .news-hero__meta-value {
  font-family: var(--font-mono);
  font-size: 1.05rem;
  font-weight: 500;
  color: var(--gold-300);
}

.page-news .news-hero__media {
  margin: 0;
}

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

.page-news .news-hero__media .media-frame__caption {
  color: var(--sage-500);
  font-size: 11px;
  letter-spacing: 0.08em;
}

/* ---------- 筛选条 ---------- */
.page-news .news-filter-bar {
  border-top: 1px solid rgba(184, 137, 43, 0.24);
  border-bottom: 1px solid rgba(184, 137, 43, 0.24);
}

.page-news .news-filter {
  display: grid;
  gap: 14px;
}

.page-news .news-filter__title {
  margin: 0;
  font-family: var(--font-body);
  font-size: 0.95rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  color: var(--ivory-050);
}

.page-news .news-filter__hint {
  margin: 0;
  max-width: 56ch;
  font-size: 0.85rem;
  line-height: 1.75;
  color: var(--sage-500);
}

.page-news .news-filter__control {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 6px;
}

.page-news .news-chip {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 9px 18px;
  border: 1px solid rgba(184, 137, 43, 0.42);
  border-radius: var(--pill);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--gold-300);
  cursor: pointer;
  transition: background var(--dur) var(--ease), color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-news .news-chip:hover {
  background: rgba(184, 137, 43, 0.14);
}

.page-news .news-chip__count {
  color: var(--sage-500);
  font-size: 11px;
}

.page-news .news-radio:checked + .news-chip {
  background: var(--gold-600);
  border-color: var(--gold-600);
  color: var(--deep-950);
}

.page-news .news-radio:checked + .news-chip .news-chip__count {
  color: rgba(6, 18, 15, 0.66);
}

.page-news .news-radio:focus-visible + .news-chip {
  outline: 2px solid var(--blue-400);
  outline-offset: 3px;
}

/* 纯前端筛选：不支持 :has 时全部条目保持可读 */
.page-news:has(#news-f-youth:checked) .news-entry:not(.news-entry--youth),
.page-news:has(#news-f-version:checked) .news-entry:not(.news-entry--version),
.page-news:has(#news-f-awards:checked) .news-entry:not(.news-entry--awards),
.page-news:has(#news-f-audit:checked) .news-entry:not(.news-entry--audit) {
  display: none;
}

/* ---------- 章节头 ---------- */
.page-news .news-head {
  display: grid;
  gap: 10px;
  margin-bottom: var(--space-m);
}

.page-news .news-head .section-index {
  font-family: var(--font-mono);
  font-weight: 300;
  color: var(--gold-600);
}

.page-news .news-head .section-title {
  max-width: 24ch;
}

/* ---------- 时间轴条目 ---------- */
.page-news .news-feed {
  position: relative;
}

.page-news .news-track {
  list-style: none;
  margin: 0;
  padding: 0;
  position: relative;
}

.page-news .news-entry {
  display: grid;
  gap: 12px;
  padding-block: 26px;
}

.page-news .news-entry__rail {
  display: flex;
  gap: 12px;
  align-items: baseline;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--sage-500);
}

.page-news .news-entry__index {
  color: var(--gold-600);
  font-weight: 500;
}

.page-news .news-card {
  position: relative;
  overflow: hidden;
  background: var(--news-card-bg);
  border: 1px solid rgba(18, 59, 47, 0.26);
  padding: 22px 20px 20px;
  transition: background var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-news .news-card::before {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 2px;
  height: 0;
  background: var(--red-600);
  transition: height var(--dur) var(--ease);
}

.page-news .news-card:hover::before,
.page-news .news-card:focus-within::before {
  height: 100%;
}

.page-news .news-card:hover {
  background: rgba(184, 137, 43, 0.08);
  border-color: rgba(184, 137, 43, 0.5);
}

.page-news .news-card__head {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
}

.page-news .news-card__coord {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--sage-500);
}

.page-news .news-card__title {
  margin: 14px 0 0;
  font-family: var(--font-body);
  font-size: clamp(1.02rem, 1.5vw, 1.22rem);
  font-weight: 600;
  line-height: 1.55;
  color: var(--ink-900);
}

.page-news .news-card__summary {
  margin: 12px 0 0;
  max-width: 42ch;
  font-size: 0.95rem;
  line-height: 1.8;
  color: rgba(10, 43, 34, 0.78);
}

.page-news .news-card__media {
  margin: 18px 0 0;
}

.page-news .news-card__media .media-frame__caption {
  font-size: 11px;
  letter-spacing: 0.06em;
  color: var(--sage-500);
}

.page-news .news-card__more {
  margin-top: 16px;
  border-top: 1px dashed rgba(30, 90, 71, 0.4);
  padding-top: 12px;
}

.page-news .news-card__more summary {
  cursor: pointer;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--gold-600);
  list-style: none;
}

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

.page-news .news-card__more summary::after {
  content: " +";
  color: var(--sage-500);
}

.page-news .news-card__more[open] summary::after {
  content: " −";
}

.page-news .news-card__more p {
  margin: 10px 0 0;
  max-width: 48ch;
  font-size: 0.9rem;
  line-height: 1.8;
  color: rgba(10, 43, 34, 0.72);
}

/* ---------- 四个固定系列 ---------- */
.page-news .news-series {
  background:
    linear-gradient(180deg, var(--ink-900) 0%, var(--ink-700) 100%);
}

.page-news .news-series__grid {
  display: grid;
  gap: var(--gap);
}

.page-news .news-series__card {
  position: relative;
  display: grid;
  gap: 14px;
  padding: 26px 22px 24px;
  background: rgba(6, 18, 15, 0.42);
  border: 1px solid rgba(30, 90, 71, 0.6);
  border-left: 2px solid var(--gold-600);
}

.page-news .news-series__index {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--gold-300);
}

.page-news .news-series__name {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 400;
  font-size: clamp(1.4rem, 2.6vw, 2rem);
  letter-spacing: -0.01em;
  color: var(--ivory-050);
}

.page-news .news-series__facts {
  margin: 0;
  display: grid;
  gap: 12px;
}

.page-news .news-series__facts dt {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--blue-400);
}

.page-news .news-series__facts dd {
  margin: 5px 0 0;
  max-width: 46ch;
  font-size: 0.9rem;
  line-height: 1.8;
  color: rgba(244, 239, 228, 0.78);
}

/* ---------- 归档入口 ---------- */
.page-news .news-archive__grid {
  display: grid;
  gap: var(--space-s);
}

.page-news .news-archive__list {
  display: grid;
  gap: 10px;
}

.page-news .news-route {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 8px 16px;
  padding: 16px 18px;
  text-decoration: none;
  background: rgba(10, 43, 34, 0.04);
  border: 1px solid rgba(18, 59, 47, 0.24);
  transition: background var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-news .news-route:hover,
.page-news .news-route:focus-visible {
  background: rgba(184, 137, 43, 0.12);
  border-color: rgba(184, 137, 43, 0.55);
}

.page-news .news-route__key {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--gold-600);
  white-space: nowrap;
}

.page-news .news-route__label {
  font-size: 0.92rem;
  line-height: 1.7;
  color: var(--ink-900);
}

.page-news .news-route__go {
  color: var(--sage-500);
  font-family: var(--font-mono);
}

.page-news .news-archive__media {
  margin: 0;
}

.page-news .news-archive__media .media-frame__caption {
  font-size: 11px;
  letter-spacing: 0.06em;
  color: var(--sage-500);
}

/* ---------- 回访提示 ---------- */
.page-news .news-revisit {
  background:
    linear-gradient(180deg, var(--deep-950) 0%, var(--ink-900) 100%);
}

.page-news .news-revisit__grid {
  display: grid;
  gap: var(--space-s);
}

.page-news .news-revisit__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 2px;
}

.page-news .news-revisit__item {
  display: grid;
  gap: 6px;
  padding: 18px 0 18px 18px;
  border-left: 1px solid rgba(184, 137, 43, 0.34);
}

.page-news .news-revisit__no {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--red-600);
}

.page-news .news-revisit__item p {
  margin: 0;
  max-width: 46ch;
  font-size: 0.92rem;
  line-height: 1.8;
  color: rgba(244, 239, 228, 0.8);
}

.page-news .news-revisit__note {
  align-self: start;
  border: 1px solid rgba(127, 196, 216, 0.36);
  padding: 22px 20px;
  background: rgba(127, 196, 216, 0.07);
}

.page-news .news-revisit__note-title {
  margin: 0 0 12px;
  font-family: var(--font-body);
  font-size: 1rem;
  font-weight: 600;
  color: var(--blue-400);
}

.page-news .news-revisit__note p {
  margin: 0 0 12px;
  font-size: 0.9rem;
  line-height: 1.8;
  color: rgba(244, 239, 228, 0.8);
}

.page-news .news-revisit__note p:last-child {
  margin-bottom: 0;
}

.page-news .news-revisit__note a {
  color: var(--gold-300);
  text-decoration: none;
  border-bottom: 1px solid rgba(228, 195, 106, 0.55);
}

.page-news .news-revisit__note a:hover {
  color: var(--ivory-050);
}

/* ---------- 响应式 ---------- */
@media (min-width: 760px) {
  .page-news .news-series__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-news .news-archive__grid {
    grid-template-columns: 7fr 5fr;
    align-items: start;
  }

  .page-news .news-revisit__grid {
    grid-template-columns: 7fr 5fr;
  }

  .page-news .news-card {
    padding: 26px 26px 22px;
  }
}

@media (min-width: 900px) {
  .page-news {
    --news-rail: 108px;
  }

  .page-news .news-hero__grid {
    grid-template-columns: 7fr 5fr;
    gap: var(--space-l);
  }

  .page-news .news-track::before {
    content: "";
    position: absolute;
    top: 8px;
    bottom: 8px;
    left: calc(var(--news-rail) - 0.5px);
    width: 1px;
    background: linear-gradient(180deg, rgba(184, 137, 43, 0.55), rgba(30, 90, 71, 0.35) 70%, transparent);
  }

  .page-news .news-entry {
    grid-template-columns: var(--news-rail) minmax(0, 1fr);
    gap: 28px;
    padding-block: 22px;
  }

  .page-news .news-entry__rail {
    flex-direction: column;
    align-items: flex-end;
    gap: 6px;
    text-align: right;
    padding-right: 26px;
    position: relative;
  }

  .page-news .news-entry__rail::after {
    content: "";
    position: absolute;
    top: 4px;
    right: -5px;
    width: 9px;
    height: 9px;
    border-radius: 50%;
    background: var(--ivory-050);
    border: 1px solid var(--gold-600);
  }
}

@media (min-width: 1080px) {
  .page-news .news-series__grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-news .news-series__card--lead {
    grid-column: span 2;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-news .news-card,
  .page-news .news-route,
  .page-news .news-chip,
  .page-news .news-card::before {
    transition: none;
  }
}