.page-disclaimer {
  --disc-rule: rgba(43, 242, 210, .14);
  --disc-rule-soft: rgba(234, 242, 240, .08);
  --disc-body-text: rgba(234, 242, 240, .86);
  --disc-muted-text: rgba(234, 242, 240, .78);
  display: block;
  padding-bottom: clamp(36px, 6vw, 72px);
}

/* ---------- 页头 ---------- */
.page-disclaimer .disc-masthead {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: clamp(20px, 5vw, 44px) var(--gutter) 0;
}

.page-disclaimer .disc-masthead__frame {
  display: grid;
  gap: 14px;
}

.page-disclaimer .disc-masthead .breadcrumb {
  margin: 0 0 4px;
}

.page-disclaimer .disc-lede {
  margin: 0;
  max-width: 62ch;
  font-size: var(--step-16);
  line-height: 1.85;
  color: var(--haze);
}

.page-disclaimer .disc-plate {
  margin: 16px 0 0;
  border: 1px solid var(--disc-rule);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: 0 16px 0 -12px rgba(43, 242, 210, .18);
}

.page-disclaimer .disc-plate img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 14 / 9;
  object-fit: cover;
}

/* ---------- 主体分栏 ---------- */
.page-disclaimer .disc-layout {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: clamp(28px, 5vw, 52px) var(--gutter) 0;
  display: grid;
  gap: clamp(24px, 4vw, 40px);
  min-width: 0;
}

/* ---------- 左栏目录 ---------- */
.page-disclaimer .disc-rail {
  border-top: 2px solid var(--cyan);
  padding-top: 16px;
  min-width: 0;
}

.page-disclaimer .disc-rail__title {
  margin: 0 0 12px;
  font-size: var(--step-13);
  font-weight: 500;
  letter-spacing: .16em;
  color: var(--slate);
}

.page-disclaimer .disc-toc {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 1px;
}

.page-disclaimer .disc-toc .toc__item {
  margin: 0;
}

.page-disclaimer .disc-toc .toc__link {
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding: 11px 2px;
  border-bottom: 1px solid var(--disc-rule-soft);
  color: var(--haze);
  font-size: var(--step-16);
  line-height: 1.5;
  text-decoration: none;
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease), padding-left var(--dur) var(--ease);
}

.page-disclaimer .disc-toc .toc__link:hover,
.page-disclaimer .disc-toc .toc__link:focus-visible {
  color: var(--cyan);
  border-bottom-color: var(--line-strong);
  padding-left: 6px;
}

.page-disclaimer .disc-toc .toc__link[aria-current="true"],
.page-disclaimer .disc-toc .toc__link[aria-current="page"] {
  color: var(--cyan);
  border-bottom-color: var(--cyan);
}

.page-disclaimer .disc-toc .toc__index {
  flex: none;
  font-family: var(--font-mono);
  font-size: var(--step-13);
  letter-spacing: .08em;
  color: var(--gold);
}

.page-disclaimer .disc-rail__foot {
  margin: 18px 0 0;
  font-size: var(--step-13);
  line-height: 1.75;
  color: var(--slate);
}

/* ---------- 右栏条款正文 ---------- */
.page-disclaimer .disc-body {
  display: grid;
  gap: clamp(28px, 4vw, 40px);
  min-width: 0;
}

.page-disclaimer .disc-clause {
  border-top: 1px solid var(--disc-rule);
  padding-top: 22px;
  scroll-margin-top: 96px;
  min-width: 0;
}

.page-disclaimer .disc-clause__head {
  display: flex;
  align-items: baseline;
  gap: 14px;
  margin-bottom: 14px;
}

.page-disclaimer .disc-clause__num {
  flex: none;
  font-family: var(--font-mono);
  font-size: var(--step-20);
  font-weight: 700;
  letter-spacing: .06em;
  color: var(--gold);
}

.page-disclaimer .disc-clause__title {
  margin: 0;
  font-size: var(--step-32);
  font-weight: 900;
  line-height: 1.25;
  letter-spacing: -.01em;
  color: var(--haze);
}

.page-disclaimer .disc-clause__body {
  display: grid;
  gap: 14px;
  max-width: 68ch;
}

.page-disclaimer .disc-clause__body p {
  margin: 0;
  font-size: var(--step-16);
  line-height: 1.85;
  color: var(--disc-body-text);
}

.page-disclaimer .disc-clause__body a {
  color: var(--cyan);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-disclaimer .disc-clause__body .disc-callout {
  margin: 4px 0 0;
  padding: 14px 16px;
  border-left: 3px solid var(--magenta);
  border-radius: 0 var(--radius) var(--radius) 0;
  background: linear-gradient(90deg, rgba(255, 46, 138, .10), rgba(255, 46, 138, .02));
  color: var(--haze);
}

/* ---------- 修订类型层叠卡片 ---------- */
.page-disclaimer .disc-history {
  border-top: 1px solid var(--disc-rule);
  padding-top: 26px;
  min-width: 0;
}

.page-disclaimer .disc-history .heading-3 {
  margin: 0;
  font-size: var(--step-32);
  line-height: 1.25;
  color: var(--haze);
}

.page-disclaimer .disc-history__lede {
  margin: 10px 0 20px;
  max-width: 62ch;
  font-size: var(--step-16);
  line-height: 1.8;
  color: var(--disc-muted-text);
}

.page-disclaimer .disc-history__stack {
  display: grid;
  gap: 12px;
}

.page-disclaimer .disc-history__card {
  display: grid;
  gap: 10px;
  align-content: start;
  padding: 20px 20px 22px;
}

.page-disclaimer .disc-history__card .tag {
  justify-self: start;
}

.page-disclaimer .disc-history__card h3 {
  margin: 0;
  font-size: var(--step-20);
  line-height: 1.4;
  color: var(--haze);
}

.page-disclaimer .disc-history__card p {
  margin: 0;
  font-size: var(--step-16);
  line-height: 1.75;
  color: var(--disc-muted-text);
}

.page-disclaimer .disc-history__foot {
  margin: 30px 0 0;
  font-size: var(--step-16);
  line-height: 1.8;
  color: var(--disc-muted-text);
}

.page-disclaimer .disc-history__foot a {
  color: var(--cyan);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* ---------- 页尾行动点 ---------- */
.page-disclaimer .disc-cta {
  border-top: 1px solid var(--disc-rule);
  padding: 26px 0 4px;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.page-disclaimer .disc-cta p {
  margin: 0;
  flex: 1 1 22ch;
  font-size: var(--step-20);
  line-height: 1.6;
  color: var(--haze);
}

/* ---------- 断点 ---------- */
@media (min-width: 760px) {
  .page-disclaimer .disc-history__stack {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    align-items: start;
  }

  .page-disclaimer .disc-history__card:nth-child(2) {
    margin-top: 10px;
  }

  .page-disclaimer .disc-history__card:nth-child(3) {
    margin-top: 20px;
  }

  .page-disclaimer .disc-history__foot {
    margin-top: 44px;
  }
}

@media (min-width: 1024px) {
  .page-disclaimer .disc-layout {
    grid-template-columns: minmax(200px, 248px) minmax(0, 1fr);
    gap: clamp(36px, 4vw, 64px);
    align-items: start;
  }

  .page-disclaimer .disc-rail {
    position: sticky;
    top: 24px;
    align-self: start;
  }

  .page-disclaimer .disc-cta {
    padding-top: 32px;
  }
}

@media (min-width: 1280px) {
  .page-disclaimer .disc-clause__title {
    font-size: clamp(1.6rem, 2.2vw, 2.1rem);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-disclaimer .disc-toc .toc__link {
    transition: none;
  }
}