.page-news {
  --news-cut: 22px;
  --news-gap: 18px;
  background: var(--ink);
  color: var(--bone);
  overflow-x: clip;
}

/* ---------- 首屏拼贴 ---------- */

.page-news .news-hero {
  padding-top: 36px;
}

.page-news .news-hero-inner {
  display: grid;
  gap: 34px;
}

.page-news .news-hero-copy .index-num {
  display: inline-block;
  margin-bottom: 20px;
}

.page-news h1 {
  margin: 0;
  font-size: clamp(34px, 9vw, 62px);
  line-height: 1.06;
  font-weight: 900;
  letter-spacing: -.025em;
  text-wrap: balance;
}

.page-news h1::after {
  content: "";
  display: block;
  width: 88px;
  height: 2px;
  margin-top: 24px;
  background: linear-gradient(90deg, var(--gold), rgba(217, 169, 74, 0));
}

.page-news .news-hero-lede {
  margin: 24px 0 0;
  max-width: 62ch;
  font-size: 17px;
  line-height: 1.8;
  color: var(--bone);
}

.page-news .news-hero-lede--dim {
  margin-top: 14px;
  font-size: 15px;
  color: var(--mute);
}

.page-news .news-hero-cta {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 30px;
}

.page-news .news-hero-stack {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
  align-content: start;
}

.page-news .hero-tile {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 20px 18px;
  background: var(--ink-2);
  border: 1px solid var(--line-bone);
  border-radius: 4px var(--news-cut) 4px var(--news-cut);
}

.page-news .hero-tile--wide {
  grid-column: 1 / -1;
}

.page-news .hero-tile--jade {
  background: linear-gradient(148deg, rgba(18, 166, 122, .30), rgba(11, 31, 26, .92) 68%);
  border-color: var(--line-jade);
}

.page-news .hero-tile--red {
  background: linear-gradient(148deg, rgba(200, 56, 47, .28), rgba(11, 31, 26, .92) 70%);
  border-color: rgba(200, 56, 47, .38);
}

.page-news .hero-tile-value {
  font-family: var(--font-mono);
  font-size: clamp(26px, 6vw, 38px);
  line-height: 1;
  letter-spacing: .05em;
  color: var(--bone);
}

.page-news .hero-tile--jade .hero-tile-value {
  color: var(--jade-lite);
}

.page-news .hero-tile--red .hero-tile-value {
  color: var(--cinnabar-lite);
}

.page-news .hero-tile-label {
  font-size: 13px;
  letter-spacing: .06em;
  color: var(--mute);
}

/* ---------- 斜向分隔 ---------- */

.page-news .news-slash {
  width: min(100% - 12%, var(--shell));
  height: 1px;
  margin: 8px auto;
  background: linear-gradient(90deg, rgba(217, 169, 74, 0), var(--line-gold) 18%, var(--line-gold) 82%, rgba(217, 169, 74, 0));
  transform: rotate(-1.4deg);
  transform-origin: center;
}

.page-news .news-slash--flip {
  transform: rotate(1.4deg);
}

/* ---------- 系列横向牌墙 ---------- */

.page-news .news-rail-section .section-lede {
  margin-bottom: 24px;
}

.page-news .news-rail {
  display: flex;
  gap: 14px;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  padding: 4px 4px 16px;
  margin-inline: -4px;
  scrollbar-width: thin;
  scrollbar-color: rgba(217, 169, 74, .45) transparent;
}

.page-news .news-rail-card {
  flex: 0 0 min(78%, 300px);
  scroll-snap-align: start;
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 22px 20px 18px;
  text-decoration: none;
  color: var(--bone);
  background: var(--ink-2);
  border: 1px solid var(--line-bone);
  border-radius: 4px var(--news-cut) 4px var(--news-cut);
  transition: border-color .25s var(--ease), transform .25s var(--ease), background .25s var(--ease);
}

.page-news .news-rail-card:nth-child(2) {
  background: linear-gradient(160deg, rgba(200, 56, 47, .14), var(--ink-2) 60%);
}

.page-news .news-rail-card:hover,
.page-news .news-rail-card:focus-visible {
  border-color: var(--line-jade);
  background: linear-gradient(160deg, rgba(18, 166, 122, .16), var(--ink-2) 62%);
  transform: rotate(-.8deg) translateY(-2px);
}

.page-news .rail-idx {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .16em;
  color: var(--gold);
}

.page-news .rail-name {
  font-size: 22px;
  font-weight: 900;
  letter-spacing: -.01em;
}

.page-news .rail-note {
  font-size: 14px;
  line-height: 1.7;
  color: var(--mute);
}

.page-news .rail-more {
  margin-top: auto;
  padding-top: 10px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .12em;
  color: var(--jade-lite);
  border-top: 1px solid var(--line-bone);
}

.page-news .news-rail-dots {
  display: flex;
  gap: 6px;
  margin-top: 2px;
}

.page-news .news-rail-dots span {
  width: 24px;
  height: 3px;
  border-radius: 2px;
  background: rgba(242, 237, 227, .16);
}

.page-news .news-rail-dots span:first-child {
  background: var(--jade);
}

/* ---------- 最近更新：疏密不均的条目列表 ---------- */

.page-news .news-feed-section .filter-bar {
  margin-top: 26px;
}

.page-news .filter-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.page-news .filter-btn {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .12em;
  padding: 9px 18px;
  border-radius: 999px;
  border: 1px solid var(--line-bone);
  background: transparent;
  color: var(--mute);
  cursor: pointer;
  transition: background .2s var(--ease), color .2s var(--ease), border-color .2s var(--ease);
}

.page-news .filter-btn:hover,
.page-news .filter-btn:focus-visible {
  color: var(--bone);
  border-color: var(--line-jade);
}

.page-news .filter-btn[aria-pressed="true"] {
  background: var(--jade);
  border-color: var(--jade);
  color: var(--ink);
}

.page-news .news-filter-empty {
  margin: 18px 0 0;
  font-size: 15px;
  color: var(--mute);
}

.page-news .news-feed {
  display: grid;
  gap: 16px;
  margin-top: 26px;
}

.page-news .news-item {
  border: 1px solid var(--line-bone);
  border-radius: 4px var(--news-cut) 4px var(--news-cut);
  background: var(--ink-2);
  padding: 20px 18px;
  transition: border-color .25s var(--ease), background .25s var(--ease);
}

.page-news .news-item:hover,
.page-news .news-item:focus-within {
  border-color: var(--line-jade);
  background: var(--ink-3);
}

.page-news .news-item .disclosure-head {
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 14px;
  align-items: start;
  width: 100%;
  padding: 0;
  border: 0;
  background: none;
  color: inherit;
  font: inherit;
  text-align: left;
  cursor: pointer;
}

.page-news .news-item .disclosure-idx {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .14em;
  color: var(--gold);
  padding-top: 6px;
}

.page-news .news-item .disclosure-title {
  margin: 0;
  font-size: clamp(17px, 4.4vw, 21px);
  font-weight: 800;
  line-height: 1.45;
  letter-spacing: -.005em;
  color: var(--bone);
}

.page-news .news-item .disclosure-icon {
  position: relative;
  width: 20px;
  height: 20px;
  margin-top: 4px;
  border: 1px solid var(--line-gold);
  border-radius: 50%;
  flex: none;
}

.page-news .news-item .disclosure-icon::before,
.page-news .news-item .disclosure-icon::after {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  width: 9px;
  height: 1px;
  background: var(--gold);
  transform: translate(-50%, -50%);
}

.page-news .news-item .disclosure-icon::after {
  transform: translate(-50%, -50%) rotate(90deg);
  transition: transform .25s var(--ease);
}

.page-news .news-item .disclosure[data-open="true"] .disclosure-icon::after {
  transform: translate(-50%, -50%) rotate(0deg);
}

.page-news .news-item .disclosure-panel {
  padding-left: 0;
  margin-top: 14px;
}

.page-news .news-item .disclosure-panel p {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--bone);
}

.page-news .news-item .disclosure-panel p + p {
  margin-top: 12px;
}

.page-news .news-item-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--mute);
}

/* ---------- 系列区块 ---------- */

.page-news .news-series--alt {
  background: var(--ink-2);
}

.page-news .news-series .section-lede {
  max-width: 68ch;
}

.page-news .news-figure {
  margin: 30px 0 0;
}

.page-news .news-series-list {
  list-style: none;
  margin: 26px 0 0;
  padding: 0;
  display: grid;
  gap: 0;
}

.page-news .news-series-item {
  display: grid;
  grid-template-columns: 58px 1fr;
  gap: 16px;
  padding: 20px 0;
  border-top: 1px solid var(--line-bone);
  transition: padding-left .25s var(--ease);
}

.page-news .news-series-item:last-child {
  border-bottom: 1px solid var(--line-bone);
}

.page-news .news-series-item:hover {
  padding-left: 8px;
}

.page-news .news-series-idx {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .14em;
  color: var(--gold);
  padding-top: 5px;
}

.page-news .news-series-item h3 {
  margin: 0 0 6px;
  font-size: 18px;
  font-weight: 800;
  letter-spacing: -.005em;
  color: var(--bone);
}

.page-news .news-series-item p {
  margin: 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--mute);
}

.page-news .news-series-foot {
  margin: 26px 0 0;
  font-size: 15px;
  color: var(--mute);
}

/* ---------- 栏目说明 ---------- */

.page-news .news-howto-grid {
  display: grid;
  gap: 30px;
  margin-top: 8px;
}

.page-news .news-howto-copy h2 {
  margin-top: 0;
}

.page-news .news-howto-copy p {
  margin: 18px 0 0;
  font-size: 16px;
  line-height: 1.85;
  color: var(--bone);
  max-width: 64ch;
}

.page-news .news-howto-figure {
  margin: 0;
}

/* ---------- 投稿 ---------- */

.page-news .news-submit-panel {
  position: relative;
  padding: 34px 24px 30px;
  background: linear-gradient(135deg, rgba(18, 166, 122, .16), var(--ink-2) 58%);
  border: 1px solid var(--line-jade);
  border-radius: var(--news-cut) 4px var(--news-cut) 4px;
}

.page-news .news-submit-panel .index-num {
  display: inline-block;
  margin-bottom: 16px;
}

.page-news .news-submit-panel h2 {
  margin: 0 0 18px;
}

.page-news .news-submit-panel p {
  margin: 0 0 14px;
  font-size: 16px;
  line-height: 1.85;
  color: var(--bone);
  max-width: 70ch;
}

.page-news .news-submit-cta {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 24px;
}

/* ---------- 响应式 ---------- */

@media (min-width: 700px) {
  .page-news .news-hero {
    padding-top: 48px;
  }

  .page-news .news-hero-inner {
    grid-template-columns: 1.3fr .8fr;
    align-items: start;
    gap: 44px;
  }

  .page-news .news-rail-card {
    flex: 0 0 min(46%, 320px);
  }

  .page-news .news-feed {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 20px;
  }

  .page-news .news-item--wide {
    grid-column: span 2;
  }

  .page-news .news-series-item {
    grid-template-columns: 78px 1fr;
    gap: 22px;
  }

  .page-news .news-howto-grid {
    grid-template-columns: 1.15fr .85fr;
    gap: 44px;
    align-items: start;
  }

  .page-news .news-submit-panel {
    padding: 48px 46px 42px;
  }
}

@media (min-width: 1060px) {
  .page-news .news-rail-card {
    flex: 0 0 min(31%, 360px);
  }

  .page-news .news-item {
    padding: 26px 24px;
  }

  .page-news .news-series-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    column-gap: 46px;
  }

  .page-news .news-series-item:nth-child(2) {
    border-top-color: var(--line-gold);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-news .news-rail-card,
  .page-news .news-item,
  .page-news .news-series-item,
  .page-news .filter-btn {
    transition: none;
  }

  .page-news .news-rail-card:hover,
  .page-news .news-rail-card:focus-visible {
    transform: none;
  }
}
</main>