.page-disclaimer {
  --ref-rule: 1px solid var(--mist-line);
  --ref-rule-dashed: 1px dashed rgba(38, 54, 47, 0.75);
  --ref-panel: var(--stand-shadow);
  padding-bottom: 72px;
  background:
    radial-gradient(115% 55% at 82% -8%, rgba(75, 242, 210, 0.07), transparent 60%),
    linear-gradient(180deg, var(--stand-shadow) 0%, var(--pitch-night) 42%, var(--changelog-graphite) 100%);
}

.page-disclaimer .breadcrumbs {
  padding-top: 20px;
}

/* ---------- 页头 ---------- */
.page-disclaimer .ref-head {
  padding: 28px 0 34px;
  border-bottom: var(--ref-rule);
}

.page-disclaimer .ref-head .coord-tag {
  display: inline-block;
  margin-bottom: 18px;
}

.page-disclaimer h1 {
  margin: 0;
  max-width: 22ch;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(27px, 6vw, 48px);
  line-height: 1.16;
  letter-spacing: -0.02em;
  color: var(--scoreboard-white);
}

.page-disclaimer .lede {
  margin: 18px 0 0;
  max-width: 62ch;
  font-size: 14.5px;
  line-height: 1.85;
  color: var(--chalk-gray);
}

/* ---------- 通用区块标题 ---------- */
.page-disclaimer .ref-block__head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 8px 18px;
  margin-bottom: 24px;
  padding-bottom: 14px;
  border-bottom: var(--ref-rule);
}

.page-disclaimer .ref-block__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(19px, 3.4vw, 26px);
  letter-spacing: -0.02em;
  line-height: 1.3;
  color: var(--scoreboard-white);
}

.page-disclaimer .ref-block__note {
  margin: 0;
  font-size: 12.5px;
  line-height: 1.6;
  color: var(--chalk-gray);
}

.page-disclaimer #changelog {
  scroll-margin-top: calc(var(--rail-offset) + 16px);
}

/* ---------- 回访入口 ---------- */
.page-disclaimer .revisit {
  padding-top: 44px;
}

.page-disclaimer .revisit__intro {
  margin: 0 0 22px;
  max-width: 70ch;
  font-size: 14px;
  line-height: 1.85;
  color: var(--chalk-gray);
}

.page-disclaimer .revisit__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1px;
  border: var(--ref-rule);
  border-radius: 3px;
  background: var(--mist-line);
  overflow: hidden;
}

.page-disclaimer .revisit__cell {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 7px;
  min-height: 168px;
  padding: 20px 18px 18px;
  background: var(--stand-shadow);
  text-decoration: none;
  transition: background-color 200ms ease;
}

.page-disclaimer .revisit__cell::after {
  content: "";
  position: absolute;
  inset: 0;
  border: 1px solid transparent;
  pointer-events: none;
  transition: border-color 200ms ease;
}

.page-disclaimer .revisit__cell:hover,
.page-disclaimer .revisit__cell:focus-visible {
  background: var(--roster-green);
}

.page-disclaimer .revisit__cell:focus-visible {
  outline: 2px solid var(--fluoro-cyan);
  outline-offset: -2px;
}

.page-disclaimer .revisit__cell:hover::after,
.page-disclaimer .revisit__cell:focus-visible::after {
  border-color: var(--fluoro-cyan);
}

.page-disclaimer .revisit__code {
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.04em;
  color: var(--chalk-gray);
  opacity: 0.5;
  transition: color 200ms ease, opacity 200ms ease;
}

.page-disclaimer .revisit__cell:hover .revisit__code,
.page-disclaimer .revisit__cell:focus-visible .revisit__code {
  color: var(--fluoro-cyan);
  opacity: 1;
}

.page-disclaimer .revisit__name {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 18px;
  letter-spacing: -0.01em;
  color: var(--scoreboard-white);
}

.page-disclaimer .revisit__desc {
  font-size: 13px;
  line-height: 1.7;
  color: var(--chalk-gray);
}

.page-disclaimer .revisit__cadence {
  margin-top: auto;
  padding-top: 11px;
  border-top: var(--ref-rule-dashed);
  font-size: 12px;
  line-height: 1.6;
  color: var(--chalk-gray);
  opacity: 0.78;
}

/* ---------- 主分割：版本记录 + 坐标索引 ---------- */
.page-disclaimer .ref-split {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 44px;
  padding-top: 52px;
  align-items: start;
}

/* 版本横幅 */
.page-disclaimer .ver-banner {
  margin: 0 0 26px;
  border: var(--ref-rule);
  border-radius: 3px;
  overflow: hidden;
  background: var(--changelog-graphite);
}

.page-disclaimer .ver-banner img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 2 / 1;
  object-fit: cover;
  opacity: 0.82;
}

.page-disclaimer .ver-banner figcaption {
  padding: 10px 14px;
  border-top: var(--ref-rule);
  font-size: 12px;
  line-height: 1.65;
  color: var(--chalk-gray);
}

/* 版本条目 */
.page-disclaimer .ver-list {
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: var(--ref-rule);
}

.page-disclaimer .ver {
  border-bottom: var(--ref-rule);
}

.page-disclaimer .ver > summary {
  position: relative;
  display: grid;
  grid-template-columns: 44px minmax(0, 1fr);
  column-gap: 14px;
  row-gap: 5px;
  align-items: baseline;
  padding: 17px 30px 17px 0;
  cursor: pointer;
  list-style: none;
}

.page-disclaimer .ver > summary::-webkit-details-marker {
  display: none;
}

.page-disclaimer .ver > summary:hover {
  background: linear-gradient(90deg, rgba(75, 242, 210, 0.06), transparent 70%);
}

.page-disclaimer .ver > summary:focus-visible {
  outline: 2px solid var(--fluoro-cyan);
  outline-offset: 2px;
}

.page-disclaimer .ver__no {
  grid-row: 1 / span 2;
  font-family: var(--font-mono);
  font-size: 24px;
  font-weight: 700;
  line-height: 1.05;
  letter-spacing: -0.03em;
  color: var(--chalk-gray);
  transition: color 200ms ease;
}

.page-disclaimer .ver--latest .ver__no,
.page-disclaimer .ver[open] .ver__no,
.page-disclaimer .ver > summary:hover .ver__no {
  color: var(--fluoro-cyan);
}

.page-disclaimer .ver__title {
  grid-column: 2;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 15.5px;
  line-height: 1.5;
  letter-spacing: 0.01em;
  color: var(--scoreboard-white);
}

.page-disclaimer .ver__add {
  grid-column: 2;
  font-size: 13px;
  line-height: 1.7;
  color: var(--chalk-gray);
}

.page-disclaimer .ver__chev {
  position: absolute;
  right: 6px;
  top: 24px;
  width: 8px;
  height: 8px;
  border-right: 1.5px solid var(--chalk-gray);
  border-bottom: 1.5px solid var(--chalk-gray);
  transform: rotate(45deg);
  transition: transform 200ms ease, border-color 200ms ease;
}

.page-disclaimer .ver[open] .ver__chev {
  transform: rotate(-135deg);
  border-color: var(--fluoro-cyan);
}

.page-disclaimer .ver__panel {
  display: grid;
  gap: 9px;
  padding: 2px 0 20px;
}

.page-disclaimer .ver__row {
  margin: 0;
  font-size: 13px;
  line-height: 1.75;
  color: var(--chalk-gray);
}

.page-disclaimer .ver__k {
  display: block;
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.08em;
  color: var(--cyan-deep);
  margin-bottom: 2px;
}

.page-disclaimer .ver__row--issue .ver__k {
  color: var(--referee-orange);
}

/* 坐标索引栏 */
.page-disclaimer .coord-rail {
  border: var(--ref-rule);
  border-radius: 3px;
  background: var(--stand-shadow);
  overflow: hidden;
}

.page-disclaimer .coord-rail__head {
  padding: 16px 16px 14px;
  border-bottom: var(--ref-rule);
}

.page-disclaimer .coord-rail__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 15px;
  line-height: 1.45;
  letter-spacing: -0.01em;
  color: var(--scoreboard-white);
}

.page-disclaimer .coord-rail__sub {
  margin: 6px 0 0;
  font-size: 12px;
  line-height: 1.65;
  color: var(--chalk-gray);
}

.page-disclaimer .coord-table {
  width: 100%;
  border-collapse: collapse;
  table-layout: fixed;
}

.page-disclaimer .coord-table th,
.page-disclaimer .coord-table td {
  padding: 10px 8px;
  text-align: left;
  vertical-align: top;
  border-bottom: 1px solid var(--mist-line);
  font-size: 12px;
  line-height: 1.55;
  color: var(--chalk-gray);
}

.page-disclaimer .coord-table thead th {
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 500;
  letter-spacing: 0.08em;
  color: var(--chalk-gray);
  opacity: 0.85;
}

.page-disclaimer .coord-table tbody th {
  font-weight: 600;
  color: var(--scoreboard-white);
}

.page-disclaimer .coord-table td.num {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: -0.02em;
  color: var(--fluoro-cyan);
  word-break: break-all;
}

.page-disclaimer .swatch {
  display: inline-block;
  width: 9px;
  height: 9px;
  margin-right: 5px;
  border-radius: 2px;
  border: 1px solid rgba(243, 248, 246, 0.22);
  vertical-align: -1px;
}

.page-disclaimer .swatch--roster { background: var(--roster-green); }
.page-disclaimer .swatch--fixture { background: var(--fixture-slate); }
.page-disclaimer .swatch--injury { background: var(--injury-umber); }
.page-disclaimer .swatch--changelog { background: var(--changelog-graphite); }

.page-disclaimer .coord-rail__foot {
  padding: 14px 16px 16px;
  display: grid;
  gap: 10px;
}

.page-disclaimer .coord-rail__foot p {
  margin: 0;
  font-size: 12px;
  line-height: 1.75;
  color: var(--chalk-gray);
  opacity: 0.86;
}

/* ---------- 免责边界 ---------- */
.page-disclaimer .boundary {
  padding-top: 56px;
}

.page-disclaimer .boundary__list {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1px;
  margin: 0;
  padding: 0;
  list-style: none;
  border: var(--ref-rule);
  border-radius: 3px;
  background: var(--mist-line);
  overflow: hidden;
}

.page-disclaimer .boundary__item {
  padding: 20px 18px 22px;
  background: var(--pitch-night);
}

.page-disclaimer .boundary__item h3 {
  margin: 0 0 8px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 14.5px;
  line-height: 1.5;
  letter-spacing: 0.01em;
  color: var(--scoreboard-white);
}

.page-disclaimer .boundary__item p {
  margin: 0;
  font-size: 13px;
  line-height: 1.78;
  color: var(--chalk-gray);
}

.page-disclaimer .boundary__item a {
  color: var(--fluoro-cyan);
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
}

.page-disclaimer .boundary__item a:hover {
  color: var(--scoreboard-white);
}

/* ---------- 响应式 ---------- */
@media (min-width: 560px) {
  .page-disclaimer .ver__panel {
    padding-left: 24px;
  }

  .page-disclaimer .ver__row {
    display: grid;
    grid-template-columns: 74px minmax(0, 1fr);
    column-gap: 14px;
    align-items: start;
  }

  .page-disclaimer .ver__k {
    margin-bottom: 0;
    padding-top: 3px;
  }

  .page-disclaimer .coord-table th,
  .page-disclaimer .coord-table td {
    padding: 11px 12px;
  }

  .page-disclaimer .coord-table td.num {
    font-size: 10.5px;
  }
}

@media (min-width: 720px) {
  .page-disclaimer .revisit__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

@media (min-width: 1024px) {
  .page-disclaimer .ref-split {
    grid-template-columns: minmax(0, 1fr) 322px;
    gap: 52px;
    padding-top: 64px;
  }

  .page-disclaimer .coord-rail {
    position: sticky;
    top: calc(var(--rail-offset) + 14px);
  }

  .page-disclaimer .ver__panel {
    padding-left: 58px;
  }
}

@media (min-width: 1120px) {
  .page-disclaimer .revisit__grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (min-width: 1400px) {
  .page-disclaimer .boundary__list {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-disclaimer .revisit__cell,
  .page-disclaimer .revisit__code,
  .page-disclaimer .ver__no,
  .page-disclaimer .ver__chev {
    transition-duration: 0.01ms;
  }
}