.page-disclaimer {
  --disc-line: rgba(47, 227, 200, 0.2);
  --disc-line-soft: rgba(244, 248, 247, 0.08);
  --disc-num-w: clamp(2rem, 7vw, 2.7rem);
  --disc-body: rgba(244, 248, 247, 0.76);
  background: var(--ink);
  color: var(--white);
  padding-bottom: clamp(3rem, 8vw, 6rem);
}

/* ---------- 首屏框景 ---------- */
.page-disclaimer .doc-hero {
  padding-top: calc(var(--bar-h) + clamp(1.75rem, 5vw, 3.5rem));
  padding-bottom: clamp(1.75rem, 4vw, 2.5rem);
  background:
    radial-gradient(130% 90% at 88% -20%, rgba(47, 227, 200, 0.11), transparent 62%),
    var(--ink);
}

.page-disclaimer .breadcrumb {
  margin: 0 0 clamp(1rem, 3vw, 1.6rem);
  font-size: 0.8125rem;
  letter-spacing: 0.02em;
}
.page-disclaimer .breadcrumb ol {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.4rem;
  list-style: none;
  margin: 0;
  padding: 0;
}
.page-disclaimer .breadcrumb li + li::before {
  content: "/";
  margin-right: 0.4rem;
  color: var(--slate);
}
.page-disclaimer .breadcrumb a {
  color: var(--gray);
  text-decoration: none;
  transition: color 160ms var(--ease);
}
.page-disclaimer .breadcrumb a:hover { color: var(--cyan); }
.page-disclaimer .breadcrumb [aria-current="page"] { color: var(--cyan); }

.page-disclaimer .doc-hero .eyebrow {
  margin: 0 0 0.6rem;
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  letter-spacing: 0.16em;
  color: var(--cyan);
}

.page-disclaimer .doc-hero__title {
  margin: 0;
  font-family: var(--font-body);
  font-size: clamp(2rem, 8vw, 3.25rem);
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: 0.01em;
}

.page-disclaimer .doc-hero__lede {
  max-width: 62ch;
  margin: clamp(0.9rem, 2.5vw, 1.4rem) 0 0;
  font-size: clamp(0.9375rem, 2.6vw, 1.0625rem);
  line-height: 1.8;
  color: var(--disc-body);
}

.page-disclaimer .doc-hero__band {
  margin: clamp(1.5rem, 4.5vw, 2.5rem) 0 0;
  border: 1px solid var(--disc-line);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--char);
}
.page-disclaimer .doc-hero__band img {
  display: block;
  width: 100%;
  height: clamp(180px, 34vw, 300px);
  object-fit: cover;
}

/* ---------- 条款索引条 ---------- */
.page-disclaimer .doc-index {
  border-top: 1px solid var(--disc-line);
  border-bottom: 1px solid var(--disc-line-soft);
  background: var(--char);
}
.page-disclaimer .doc-index__inner {
  display: flex;
  align-items: center;
  gap: 1rem;
  overflow-x: auto;
  padding-top: 0.75rem;
  padding-bottom: 0.75rem;
  scrollbar-width: none;
  -webkit-overflow-scrolling: touch;
}
.page-disclaimer .doc-index__inner::-webkit-scrollbar { display: none; }

.page-disclaimer .doc-index__label {
  flex: 0 0 auto;
  font-size: 0.75rem;
  letter-spacing: 0.16em;
  color: var(--slate);
  white-space: nowrap;
}
.page-disclaimer .doc-index__list {
  display: flex;
  flex: 0 0 auto;
  gap: 0.35rem;
  list-style: none;
  margin: 0;
  padding: 0;
}
.page-disclaimer .doc-index__list a {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  padding: 0.35rem 0.7rem;
  border: 1px solid var(--disc-line-soft);
  border-radius: var(--radius);
  font-size: 0.8125rem;
  color: var(--disc-body);
  text-decoration: none;
  white-space: nowrap;
  transition: color 160ms var(--ease), border-color 160ms var(--ease), background-color 160ms var(--ease);
}
.page-disclaimer .doc-index__list .num {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  font-variant-numeric: tabular-nums;
  letter-spacing: 0.04em;
  color: var(--cyan);
  transition: color 160ms var(--ease);
}
.page-disclaimer .doc-index__list a:hover {
  color: var(--ink-on-accent);
  background: var(--cyan);
  border-color: var(--cyan);
}
.page-disclaimer .doc-index__list a:hover .num { color: var(--ink-on-accent); }

/* ---------- 主栏 + 旁注 ---------- */
.page-disclaimer .doc-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(1.75rem, 4vw, 3rem);
  padding-top: clamp(1.75rem, 5vw, 3rem);
}
.page-disclaimer .doc-body { min-width: 0; }

.page-disclaimer .doc-section { padding-bottom: clamp(2rem, 5vw, 3.25rem); }
.page-disclaimer .doc-section + .doc-section {
  position: relative;
  padding-top: clamp(2rem, 5vw, 3.25rem);
  border-top: 1px solid var(--disc-line-soft);
}
.page-disclaimer .doc-section + .doc-section::before {
  content: "";
  position: absolute;
  top: -1px;
  left: 0;
  width: 46px;
  height: 1px;
  background: var(--cyan);
}

.page-disclaimer .doc-head {
  display: grid;
  gap: 0.5rem;
  margin: 0 0 clamp(0.9rem, 2.5vw, 1.5rem);
}
.page-disclaimer .doc-head .eyebrow {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  letter-spacing: 0.16em;
  color: var(--cyan);
}
.page-disclaimer .doc-head__title {
  margin: 0;
  font-family: var(--font-body);
  font-size: clamp(1.25rem, 4.2vw, 1.75rem);
  font-weight: 700;
  line-height: 1.3;
}
.page-disclaimer .doc-head__intro {
  max-width: 60ch;
  margin: 0;
  font-size: 0.9375rem;
  line-height: 1.8;
  color: var(--disc-body);
}

/* ---------- 编号条款 ---------- */
.page-disclaimer .clause-list {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--disc-line-soft);
}
.page-disclaimer .clause {
  display: grid;
  grid-template-columns: var(--disc-num-w) minmax(0, 1fr);
  gap: 0.6rem;
  padding: 0.9rem 0;
  border-bottom: 1px solid var(--disc-line-soft);
}
.page-disclaimer .clause__num {
  padding-top: 0.15rem;
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  font-variant-numeric: tabular-nums;
  letter-spacing: 0.03em;
  color: var(--cyan);
}
.page-disclaimer .clause__title {
  margin: 0 0 0.3rem;
  font-size: 0.9375rem;
  font-weight: 600;
  line-height: 1.55;
  color: var(--white);
}
.page-disclaimer .clause__text {
  margin: 0;
  font-size: 0.9375rem;
  line-height: 1.8;
  color: var(--disc-body);
}
.page-disclaimer .clause__text a {
  color: var(--cyan);
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
  transition: color 160ms var(--ease);
}
.page-disclaimer .clause__text a:hover { color: var(--mint); }

/* ---------- 时效时间轴 ---------- */
.page-disclaimer .timeline {
  margin: clamp(1rem, 3vw, 1.6rem) 0;
  padding: clamp(1rem, 3vw, 1.5rem);
  border: 1px solid var(--disc-line-soft);
  border-radius: var(--radius);
  background: var(--char);
}
.page-disclaimer .timeline__cap {
  margin: 0 0 1.1rem;
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  letter-spacing: 0.16em;
  color: var(--slate);
}
.page-disclaimer .timeline__points {
  display: grid;
  gap: 1.25rem;
  list-style: none;
  margin: 0 0 0 0.35rem;
  padding: 0 0 0 1.15rem;
  border-left: 1px solid var(--disc-line);
}
.page-disclaimer .timeline__point { position: relative; }
.page-disclaimer .timeline__point::before {
  content: "";
  position: absolute;
  left: calc(-1.15rem - 4px);
  top: 0.42rem;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--cyan);
  box-shadow: 0 0 0 3px rgba(47, 227, 200, 0.14);
}
.page-disclaimer .timeline__stamp {
  display: block;
  margin-bottom: 0.25rem;
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  font-variant-numeric: tabular-nums;
  letter-spacing: 0.1em;
  color: var(--cyan);
}
.page-disclaimer .timeline__title {
  margin: 0 0 0.2rem;
  font-size: 0.9375rem;
  font-weight: 600;
  line-height: 1.5;
  color: var(--white);
}
.page-disclaimer .timeline__desc {
  margin: 0;
  font-size: 0.875rem;
  line-height: 1.7;
  color: var(--disc-body);
}

/* ---------- 折叠补充 ---------- */
.page-disclaimer .fold {
  margin: clamp(0.9rem, 2.5vw, 1.4rem) 0 0;
  border: 1px solid var(--disc-line-soft);
  border-radius: var(--radius);
  background: var(--char);
  overflow: hidden;
}
.page-disclaimer .fold__sum {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  padding: 0.85rem 1.05rem;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--white);
  cursor: pointer;
  list-style: none;
}
.page-disclaimer .fold__sum::-webkit-details-marker { display: none; }
.page-disclaimer .fold__sum::after {
  content: "";
  flex: 0 0 auto;
  width: 8px;
  height: 8px;
  border-right: 1.5px solid var(--cyan);
  border-bottom: 1.5px solid var(--cyan);
  transform: rotate(45deg) translateY(-2px);
  transition: transform 200ms var(--ease);
}
.page-disclaimer .fold[open] .fold__sum::after {
  transform: rotate(225deg) translateY(-2px);
}
.page-disclaimer .fold__body {
  padding: 0.85rem 1.05rem 1.05rem;
  border-top: 1px solid var(--disc-line-soft);
  font-size: 0.875rem;
  line-height: 1.8;
  color: var(--disc-body);
}
.page-disclaimer .fold__list {
  display: grid;
  gap: 0.4rem;
  margin: 0;
  padding-left: 1.1rem;
}

/* ---------- 提示条 ---------- */
.page-disclaimer .note-strip {
  margin: clamp(0.9rem, 2.5vw, 1.4rem) 0 0;
  padding: 0.85rem 1.05rem;
  border-radius: var(--radius);
  background: var(--sand);
  color: var(--ink-on-accent);
  font-size: 0.875rem;
  line-height: 1.75;
}

/* ---------- 旁注卡 ---------- */
.page-disclaimer .doc-rail {
  display: grid;
  gap: 1rem;
  align-content: start;
  min-width: 0;
}
.page-disclaimer .rail-card {
  padding: 1rem 1.1rem;
  border: 1px solid var(--disc-line-soft);
  border-radius: var(--radius);
  background: var(--char);
}
.page-disclaimer .rail-card__label {
  display: block;
  margin-bottom: 0.6rem;
  font-family: var(--font-mono);
  font-size: 0.625rem;
  letter-spacing: 0.16em;
  color: var(--cyan);
}
.page-disclaimer .rail-card__title {
  margin: 0 0 0.5rem;
  font-size: 1rem;
  font-weight: 700;
  line-height: 1.45;
  color: var(--white);
}
.page-disclaimer .rail-card__text {
  margin: 0;
  font-size: 0.875rem;
  line-height: 1.75;
  color: var(--disc-body);
}
.page-disclaimer .rail-card__mail {
  display: block;
  margin-top: 0.6rem;
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  letter-spacing: 0.01em;
  color: var(--cyan);
  word-break: break-all;
}

/* ---------- 平板：时间轴横向 ---------- */
@media (min-width: 860px) {
  .page-disclaimer .timeline {
    padding: clamp(1.25rem, 3vw, 1.75rem);
  }
  .page-disclaimer .timeline__points {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 0 1.5rem;
    margin-left: 0;
    padding-left: 0;
    border-left: 0;
  }
  .page-disclaimer .timeline__point {
    padding-top: 1.4rem;
    border-top: 1px solid var(--disc-line);
  }
  .page-disclaimer .timeline__point::before {
    left: 0;
    top: -4px;
  }
}

/* ---------- 桌面：主栏 + 粘性旁注 ---------- */
@media (min-width: 1024px) {
  .page-disclaimer .doc-layout {
    grid-template-columns: minmax(0, 1fr) 264px;
    gap: clamp(2rem, 4vw, 3.5rem);
  }
  .page-disclaimer .doc-rail {
    position: sticky;
    top: calc(var(--bar-h) + 1.5rem);
    align-self: start;
  }
}

/* ---------- 减弱动效 ---------- */
@media (prefers-reduced-motion: reduce) {
  .page-disclaimer .doc-index__list a,
  .page-disclaimer .doc-index__list .num,
  .page-disclaimer .breadcrumb a,
  .page-disclaimer .clause__text a,
  .page-disclaimer .fold__sum::after {
    transition: none;
  }
}