.page-disclaimer {
  padding-bottom: 112px;
  background:
    radial-gradient(1100px 420px at 88% -8%, rgba(53, 240, 140, 0.07), transparent 62%),
    var(--ink-950);
}

/* ---------- 面包屑与页头 ---------- */

.page-disclaimer .breadcrumbs {
  padding-top: 28px;
  font-size: 12px;
  letter-spacing: 0.02em;
  color: var(--fog-500);
}

.page-disclaimer .breadcrumbs a {
  color: var(--fog-500);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-disclaimer .breadcrumbs a:hover,
.page-disclaimer .breadcrumbs a:focus-visible {
  color: var(--signal-green);
  border-bottom-color: var(--signal-green);
}

.page-disclaimer__hero {
  padding: 40px 0 0;
}

.page-disclaimer__summary {
  margin: 0 0 26px;
  font-family: var(--font-mono);
  font-size: 12px;
  line-height: 1.7;
  letter-spacing: 0.03em;
  color: var(--paper-050);
  padding-left: 14px;
  border-left: 1px solid var(--signal-green);
  max-width: 46em;
}

.page-disclaimer h1 {
  margin: 0 0 24px;
  font-family: var(--font-display);
  font-weight: 200;
  font-size: clamp(40px, 9.5vw, 104px);
  line-height: 1;
  letter-spacing: -0.02em;
  color: var(--paper-050);
}

.page-disclaimer__lede {
  margin: 0 0 44px;
  max-width: 36em;
  font-size: 17px;
  line-height: 1.75;
  color: var(--fog-200);
}

.page-disclaimer__banner {
  margin: 0 0 64px;
}

.page-disclaimer__banner img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

/* ---------- 双栏骨架 ---------- */

.page-disclaimer__layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: 36px;
}

.page-disclaimer__toc ol {
  list-style: none;
  margin: 14px 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 4px;
}

.page-disclaimer__toc li {
  min-width: 0;
}

.page-disclaimer__toc a {
  display: flex;
  align-items: baseline;
  gap: 10px;
  min-height: 44px;
  padding: 11px 12px;
  border: 1px solid var(--slate-700);
  border-radius: var(--radius);
  background: var(--ink-800);
  color: var(--fog-200);
  font-size: 13px;
  line-height: 1.45;
  text-decoration: none;
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease), background-color var(--dur) var(--ease);
}

.page-disclaimer__toc a:hover,
.page-disclaimer__toc a:focus-visible {
  color: var(--paper-050);
  border-color: var(--slate-600);
  background: var(--slate-700);
}

.toc-num {
  flex: none;
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.06em;
  color: var(--fog-500);
  transition: color var(--dur) var(--ease);
}

.page-disclaimer__toc a:hover .toc-num,
.page-disclaimer__toc a:focus-visible .toc-num {
  color: var(--signal-green);
}

/* ---------- 条款区块 ---------- */

.page-disclaimer__body {
  min-width: 0;
}

.page-disclaimer .clause {
  scroll-margin-top: 104px;
  padding: 36px 0 40px;
  border-top: 1px solid var(--slate-700);
}

.page-disclaimer__body .clause:first-child {
  border-top: none;
  padding-top: 4px;
}

.page-disclaimer .clause h2 {
  display: flex;
  align-items: baseline;
  gap: 14px;
  margin: 0 0 22px;
  font-family: var(--font-display);
  font-weight: 300;
  font-size: clamp(21px, 3.6vw, 30px);
  line-height: 1.32;
  letter-spacing: -0.01em;
  color: var(--paper-050);
}

.clause__num {
  flex: none;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.06em;
  color: var(--signal-green);
}

.page-disclaimer .clause p {
  margin: 0 0 16px;
  max-width: 36em;
  font-size: 16px;
  line-height: 1.75;
  color: var(--fog-200);
}

.page-disclaimer .clause a {
  color: var(--signal-green);
  text-decoration: none;
  border-bottom: 1px solid rgba(53, 240, 140, 0.35);
  transition: border-color var(--dur) var(--ease);
}

.page-disclaimer .clause a:hover,
.page-disclaimer .clause a:focus-visible {
  border-bottom-color: var(--signal-green);
}

.page-disclaimer .clause strong {
  color: var(--paper-050);
  font-weight: 500;
  margin-right: 4px;
}

/* 悬挂缩进编号列表 */

.clause-list {
  counter-reset: clause;
  list-style: none;
  margin: 0 0 20px;
  padding: 0;
  max-width: 42em;
}

.clause-list > li {
  counter-increment: clause;
  position: relative;
  padding: 0 0 14px 46px;
  font-size: 16px;
  line-height: 1.75;
  color: var(--fog-200);
}

.clause-list > li::before {
  content: counter(clause, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 0.3em;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.06em;
  color: var(--fog-500);
}

/* 边界提示：细左侧线，不使用高亮底色 */

.boundary-note {
  margin: 22px 0 0;
  padding: 2px 0 2px 18px;
  border-left: 1px solid var(--signal-green);
  max-width: 40em;
}

.boundary-note p {
  margin: 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--paper-050);
}

.boundary-note--event {
  border-left-color: var(--amber-400);
}

/* ---------- 联系条目 ---------- */

.clause-contact {
  margin: 22px 0 0;
  padding: 18px 20px;
  border: 1px solid var(--slate-600);
  border-radius: var(--radius);
  background: rgba(18, 26, 40, 0.55);
  max-width: 40em;
}

.clause-contact p {
  margin: 0;
  font-size: 15px;
  line-height: 1.9;
  color: var(--fog-200);
}

.clause-contact .mono {
  display: inline-block;
  min-width: 5.5em;
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--fog-500);
}

.clause-footnote {
  margin: 16px 0 0;
  max-width: 38em;
  font-size: 14px;
  line-height: 1.75;
  color: var(--fog-500);
}

.page-disclaimer .clause--last {
  padding-bottom: 8px;
}

/* ---------- 响应式 ---------- */

@media (max-width: 559px) {
  .page-disclaimer__toc ol {
    grid-template-columns: 1fr;
  }

  .page-disclaimer__summary {
    font-size: 11.5px;
  }

  .page-disclaimer__banner {
    margin-bottom: 44px;
  }

  .clause-list > li {
    padding-left: 38px;
  }
}

@media (min-width: 900px) {
  .page-disclaimer__layout {
    grid-template-columns: 232px minmax(0, 1fr);
    gap: 72px;
    align-items: start;
  }

  .page-disclaimer__toc {
    position: sticky;
    top: 104px;
  }

  .page-disclaimer__toc ol {
    grid-template-columns: 1fr;
    gap: 0;
    border-top: 1px solid var(--slate-700);
  }

  .page-disclaimer__toc li {
    border-bottom: 1px solid var(--slate-700);
  }

  .page-disclaimer__toc a {
    border: none;
    border-radius: 0;
    background: transparent;
    padding: 13px 4px;
    font-size: 13.5px;
  }

  .page-disclaimer__toc a:hover,
  .page-disclaimer__toc a:focus-visible {
    background: transparent;
    color: var(--signal-green);
  }

  .page-disclaimer .clause {
    padding: 44px 0 48px;
  }

  .page-disclaimer__lede {
    font-size: 18px;
  }
}

@media (min-width: 1180px) {
  .page-disclaimer__layout {
    grid-template-columns: 260px minmax(0, 1fr);
    gap: 96px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-disclaimer * {
    transition-duration: 0.01ms !important;
  }
}