.page-news {
  --notes-rule: rgb(199 210 205 / .18);
  --notes-rule-strong: rgb(199 210 205 / .36);
  --notes-index-w: 232px;
}

.page-news .notes-hero {
  padding-top: 8px;
}

.page-news .notes-hero__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 32px;
  align-items: end;
}

.page-news .notes-hero__h1 {
  margin: 12px 0 18px;
  font-family: var(--font-display);
  font-weight: 900;
  font-stretch: 80%;
  font-size: clamp(46px, 12vw, 104px);
  line-height: .94;
  letter-spacing: -.03em;
  color: var(--silver);
}

.page-news .notes-hero__lede {
  margin: 0;
  max-width: 54ch;
  color: var(--silver);
  font-size: 16px;
  line-height: 1.78;
}

.page-news .notes-hero__mark {
  display: inline-block;
  margin: 22px 0 0;
  padding: 6px 12px;
  background: var(--ink-800);
  border-left: 3px solid var(--accent);
  color: var(--accent);
  font-size: 12px;
  letter-spacing: .12em;
}

.page-news .figure__media {
  position: relative;
  overflow: hidden;
  background: var(--ink-800);
}

.page-news .figure__media img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: saturate(.55) contrast(1.12);
}

.page-news .figure__grid {
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(to right, rgb(199 210 205 / .14) 1px, transparent 1px),
    linear-gradient(to bottom, rgb(199 210 205 / .14) 1px, transparent 1px);
  background-size: 48px 48px;
  opacity: .5;
}

.page-news .notes-hero__fig {
  margin: 0;
}

.page-news .notes-hero__fig .figure__media {
  aspect-ratio: 14 / 9;
}

.page-news .figure__cap {
  margin: 10px 0 0;
  color: var(--silver-dim);
  font-size: 12.5px;
  line-height: 1.6;
}

/* ---------- 栏目索引：左轨 + 条目流 ---------- */

.page-news .notes-index__head {
  max-width: 62ch;
  margin-bottom: 32px;
}

.page-news .notes-index__head .heading {
  margin: 0 0 10px;
}

.page-news .notes-index__sub {
  margin: 0;
  font-size: 15px;
  line-height: 1.75;
}

.page-news .notes-tabs {
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
  align-items: start;
}

.page-news .notes-tabs__railhead {
  margin: 0 0 8px;
  color: var(--silver-dim);
  font-size: 11px;
  letter-spacing: .22em;
  text-transform: uppercase;
}

.page-news .notes-tabs__list {
  display: grid;
  grid-auto-flow: column;
  grid-auto-columns: max-content;
  gap: 2px;
  overflow-x: auto;
  padding-bottom: 8px;
  scrollbar-width: thin;
}

.page-news .notes-tabs__btn {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  width: 100%;
  padding: 11px 14px;
  border: 0;
  border-left: 2px solid var(--notes-rule-strong);
  background: transparent;
  color: var(--silver-dim);
  font-family: var(--font-body);
  font-size: 15px;
  text-align: left;
  cursor: pointer;
  transition: background-color .18s var(--ease), color .18s var(--ease), border-color .18s var(--ease);
}

.page-news .notes-tabs__btn:hover {
  background: rgb(199 210 205 / .07);
  color: var(--silver);
}

.page-news .notes-tabs__btn[aria-selected="true"] {
  background: var(--accent);
  border-left-color: var(--accent);
  color: var(--ink-900);
}

.page-news .notes-tabs__n {
  font-size: 11.5px;
  letter-spacing: .06em;
  opacity: .8;
}

.page-news .notes-tabs__hint {
  display: none;
  margin: 10px 0 0;
  color: var(--silver-dim);
  font-size: 11px;
  letter-spacing: .1em;
}

.page-news .notes-tabs__panels {
  min-width: 0;
}

.page-news .notes-panel {
  display: block;
  outline: none;
}

.page-news .notes-panel[hidden] {
  display: none;
}

.page-news .notes-panel__title {
  margin: 0 0 6px;
  color: var(--silver-dim);
  font-weight: 600;
  letter-spacing: .06em;
}

.page-news .notes-panel__fig {
  margin: 26px 0 0;
}

/* ---------- 条目 ---------- */

.page-news .note-item {
  padding: 26px 0 20px;
  border-top: 1px solid var(--notes-rule);
}

.page-news .note-item:first-of-type {
  border-top: 2px solid var(--accent);
}

.page-news .note-item__meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px 10px;
  margin: 0 0 12px;
  color: var(--silver-dim);
  font-size: 11.5px;
  letter-spacing: .05em;
}

.page-news .note-item__title {
  margin: 0 0 12px;
  padding-bottom: 12px;
  border-bottom: 1px dashed var(--notes-rule);
  font-family: var(--font-display);
  font-weight: 800;
  font-stretch: 85%;
  font-size: clamp(19px, 4.6vw, 27px);
  line-height: 1.28;
  letter-spacing: -.012em;
  color: var(--silver);
}

.page-news .note-item__excerpt {
  margin: 0;
  max-width: 62ch;
  color: var(--silver);
  font-size: 15.5px;
  line-height: 1.78;
}

.page-news .note-item__more {
  margin-top: 14px;
}

.page-news .note-item__more summary {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  padding: 6px 0;
  list-style: none;
  cursor: pointer;
  color: var(--accent);
  font-family: var(--font-data);
  font-size: 12px;
  letter-spacing: .1em;
}

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

.page-news .note-item__more summary::before {
  content: "";
  flex: none;
  width: 8px;
  height: 8px;
  background: var(--accent);
  border-radius: 50%;
  transition: border-radius .18s var(--ease), transform .18s var(--ease);
}

.page-news .note-item__more[open] summary::before {
  border-radius: 0;
  transform: rotate(45deg);
}

.page-news .note-item__more p {
  margin: 12px 0 0;
  max-width: 62ch;
  color: var(--silver-dim);
  font-size: 14.5px;
  line-height: 1.82;
}

/* ---------- 规则节点时间轴 ---------- */

.page-news .notes-tl {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 24px;
  margin: 18px 0 6px;
  padding: 14px 16px;
  background: var(--ink-800);
  border-left: 3px solid var(--lava);
}

.page-news .notes-tl__node {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--silver-dim);
  font-family: var(--font-data);
  font-size: 11.5px;
  letter-spacing: .05em;
}

.page-news .notes-tl__dot {
  flex: none;
  width: 9px;
  height: 9px;
  background: var(--lava);
}

/* ---------- 归档 ---------- */

.page-news .notes-archive__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
}

.page-news .notes-archive__head .heading {
  margin: 10px 0 10px;
}

.page-news .notes-archive__head .muted {
  margin: 0;
  max-width: 46ch;
  font-size: 14.5px;
  line-height: 1.75;
}

.page-news .notes-group {
  border-bottom: 1px solid var(--notes-rule);
}

.page-news .notes-group:first-child {
  border-top: 1px solid var(--notes-rule);
}

.page-news .notes-group__sum {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 6px 18px;
  padding: 15px 0;
  list-style: none;
  cursor: pointer;
}

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

.page-news .notes-group__name {
  font-family: var(--font-display);
  font-weight: 800;
  font-stretch: 88%;
  font-size: 17px;
  letter-spacing: -.01em;
  color: var(--silver);
}

.page-news .notes-group__meta {
  color: var(--silver-dim);
  font-size: 11.5px;
  letter-spacing: .06em;
}

.page-news .notes-group[open] .notes-group__name {
  color: var(--accent);
}

.page-news .notes-group__items {
  display: grid;
  gap: 7px;
  margin: 0 0 20px;
  padding: 0;
  list-style: none;
}

.page-news .notes-group__items li {
  position: relative;
  padding-left: 15px;
  color: var(--silver-dim);
  font-size: 12.5px;
  letter-spacing: .03em;
}

.page-news .notes-group__items li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .62em;
  width: 5px;
  height: 5px;
  background: var(--accent);
  opacity: .7;
}

/* ---------- 投稿与线索 ---------- */

.page-news .notes-submit__grid {
  padding-top: 34px;
  border-top: 2px solid var(--notes-rule-strong);
}

.page-news .notes-submit__lede {
  margin: 12px 0 0;
  max-width: 62ch;
  color: var(--silver);
  font-size: 15.5px;
  line-height: 1.8;
}

.page-news .notes-submit__list {
  display: grid;
  gap: 10px;
  margin: 20px 0 0;
  padding: 0;
  max-width: 62ch;
  list-style: none;
}

.page-news .notes-submit__list li {
  position: relative;
  padding-left: 26px;
  color: var(--silver);
  font-size: 15px;
  line-height: 1.72;
}

.page-news .notes-submit__list li::before {
  content: "□";
  position: absolute;
  left: 0;
  top: 0;
  color: var(--accent);
  font-family: var(--font-data);
  font-size: 14px;
}

.page-news .notes-submit__contact {
  margin: 24px 0 0;
  padding: 10px 14px;
  background: var(--ink-800);
  border-left: 3px solid var(--accent);
  color: var(--silver);
  font-size: 12.5px;
  letter-spacing: .04em;
  word-break: break-word;
}

.page-news .notes-submit__more {
  margin: 16px 0 0;
  max-width: 62ch;
  color: var(--silver-dim);
  font-size: 14px;
  line-height: 1.8;
}

.page-news .notes-submit__more a {
  color: var(--accent);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-news a:focus-visible,
.page-news button:focus-visible,
.page-news summary:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

@media (min-width: 720px) {
  .page-news .notes-hero__grid {
    gap: 44px;
  }

  .page-news .notes-submit__grid {
    padding-top: 44px;
  }
}

@media (min-width: 900px) {
  .page-news .notes-hero__grid {
    grid-template-columns: 5fr 7fr;
    gap: 48px;
  }

  .page-news .notes-hero__fig {
    margin-right: calc(-1 * var(--edge));
  }

  .page-news .notes-tabs {
    grid-template-columns: var(--notes-index-w) minmax(0, 1fr);
    gap: 48px;
  }

  .page-news .notes-tabs__list {
    grid-auto-flow: row;
    grid-auto-columns: auto;
    overflow-x: visible;
    padding-bottom: 0;
  }

  .page-news .notes-tabs__hint {
    display: block;
  }

  .page-news .notes-archive__grid {
    grid-template-columns: 4fr 8fr;
    gap: 48px;
  }

  .page-news .notes-submit__grid {
    grid-template-columns: 8fr 4fr;
    gap: 56px;
  }
}

@media (min-width: 1024px) {
  .page-news .notes-tabs__rail {
    position: sticky;
    top: 32px;
  }
}

@media (min-width: 1200px) {
  .page-news .note-item__title {
    max-width: 42ch;
  }

  .page-news .notes-panel__fig--lead {
    margin-top: 0;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-news .notes-tabs__btn,
  .page-news .note-item__more summary::before {
    transition: none;
  }
}