.page-disclaimer {
  --disc-num-col: 3.2rem;
  --disc-toc-w: 236px;
  --disc-clause-pad: clamp(20px, 3vw, 30px);
  background: var(--paper);
  color: var(--ink);
}

.page-disclaimer .tb-crumb {
  padding-top: clamp(16px, 2.4vw, 26px);
}

/* ── 首屏 ───────────────────────────────── */
.page-disclaimer .disc-hero {
  padding: clamp(20px, 3.2vw, 36px) 0 clamp(18px, 2.6vw, 28px);
  border-bottom: 1px solid var(--line);
}

.page-disclaimer .disc-hero__title {
  margin: 8px 0 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1.75rem, 5.4vw, 2.7rem);
  line-height: 1.26;
  letter-spacing: -0.012em;
  color: var(--ink);
  max-width: 22ch;
}

.page-disclaimer .disc-hero__lead {
  margin: 16px 0 0;
  max-width: 60ch;
  font-family: var(--font-ui);
  font-size: 1rem;
  line-height: 1.88;
  color: var(--ink-soft);
}

.page-disclaimer .disc-hero__meta {
  margin: 18px 0 0;
  padding-top: 12px;
  border-top: 1px solid var(--line);
  font-family: var(--font-ui);
  font-size: 13px;
  letter-spacing: 0.06em;
  font-variant-numeric: tabular-nums;
  color: var(--muted);
}

@media (min-width: 900px) {
  .page-disclaimer .disc-hero__lead {
    font-size: 1.05rem;
  }
}

/* ── 结构示意 ───────────────────────────── */
.page-disclaimer .disc-figure {
  margin: clamp(20px, 3vw, 32px) 0 clamp(24px, 4vw, 40px);
  border: 1px solid var(--line);
  background: var(--white);
  overflow: hidden;
}

.page-disclaimer .disc-figure img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
  aspect-ratio: 24 / 13;
}

.page-disclaimer .disc-figure__cap {
  padding: 10px 16px;
  border-top: 1px solid var(--line);
  font-family: var(--font-ui);
  font-size: 13px;
  letter-spacing: 0.05em;
  color: var(--muted);
  background: var(--indigo-soft);
}

/* ── 主体两栏 ───────────────────────────── */
.page-disclaimer .disc-body {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(22px, 3vw, 34px);
  padding-bottom: clamp(20px, 3vw, 32px);
}

@media (min-width: 960px) {
  .page-disclaimer .disc-body {
    grid-template-columns: var(--disc-toc-w) minmax(0, 1fr);
    gap: clamp(40px, 4.4vw, 72px);
    align-items: start;
  }
}

/* ── 目录 ───────────────────────────────── */
.page-disclaimer .disc-toc {
  border: 1px solid var(--line);
  background: var(--white);
  padding: 16px 16px 14px;
}

@media (min-width: 960px) {
  .page-disclaimer .disc-toc {
    position: sticky;
    top: calc(var(--header-h) + 20px);
  }
}

.page-disclaimer .disc-toc__label {
  margin: 0 0 10px;
  font-family: var(--font-ui);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--muted);
}

.page-disclaimer .disc-toc__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 2px;
}

.page-disclaimer .disc-toc__list a {
  display: grid;
  grid-template-columns: 2rem minmax(0, 1fr);
  gap: 8px;
  align-items: baseline;
  padding: 7px 8px;
  border-left: 2px solid transparent;
  font-family: var(--font-ui);
  font-size: 14px;
  line-height: 1.55;
  color: var(--ink-soft);
  text-decoration: none;
  transition: background var(--t-fast), border-color var(--t-fast), color var(--t-fast);
}

.page-disclaimer .disc-toc__list a:hover {
  background: var(--indigo-soft);
  border-left-color: var(--indigo);
  color: var(--indigo);
}

.page-disclaimer .disc-toc__list a:focus-visible {
  outline: 2px solid var(--teal);
  outline-offset: 2px;
}

.page-disclaimer .disc-toc__n {
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.08em;
  font-variant-numeric: tabular-nums;
  color: var(--indigo);
}

.page-disclaimer .disc-toc__note {
  margin: 14px 0 0;
  padding-top: 12px;
  border-top: 1px solid var(--line);
  font-family: var(--font-ui);
  font-size: 13px;
  line-height: 1.72;
  color: var(--muted);
}

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

/* ── 条款条目 ───────────────────────────── */
.page-disclaimer .disc-clauses {
  min-width: 0;
}

.page-disclaimer .disc-clause {
  position: relative;
  padding: var(--disc-clause-pad) 0;
  border-bottom: 1px solid var(--line);
}

.page-disclaimer .disc-clause:first-child {
  padding-top: 0;
}

.page-disclaimer .disc-clause:last-child {
  border-bottom: 0;
  padding-bottom: 0;
}

.page-disclaimer .disc-clause__head {
  display: grid;
  grid-template-columns: var(--disc-num-col) minmax(0, 1fr);
  gap: 0 16px;
  align-items: baseline;
  margin: 0 0 14px;
}

.page-disclaimer .disc-clause__num {
  justify-self: start;
  display: inline-block;
  font-family: var(--font-ui);
  font-size: 15px;
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: 0.06em;
  font-variant-numeric: tabular-nums;
  color: var(--indigo);
  padding-bottom: 3px;
  border-bottom: 2px solid var(--indigo);
}

.page-disclaimer .disc-clause__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1.08rem, 2.6vw, 1.3rem);
  line-height: 1.45;
  letter-spacing: -0.006em;
  color: var(--ink);
}

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

.page-disclaimer .disc-clause__body p {
  margin: 0;
  font-family: var(--font-ui);
  font-size: 16px;
  line-height: 1.85;
  color: var(--ink-soft);
}

@media (min-width: 640px) {
  .page-disclaimer .disc-clause__body {
    padding-left: calc(var(--disc-num-col) + 16px);
  }
}

@media (max-width: 599px) {
  .page-disclaimer .disc-clause__head {
    display: block;
    margin-bottom: 12px;
  }

  .page-disclaimer .disc-clause__num {
    margin-bottom: 8px;
  }

  .page-disclaimer .disc-clause__title {
    display: block;
  }
}

.page-disclaimer .disc-clause--key {
  padding-left: clamp(14px, 2.4vw, 22px);
  border-left: 3px solid var(--amber);
}

.page-disclaimer .disc-clause--key .disc-clause__num {
  color: var(--amber);
  border-bottom-color: var(--amber);
}

.page-disclaimer .disc-clause:target .disc-clause__title {
  color: var(--indigo);
}

.page-disclaimer .disc-clause:target .disc-clause__num {
  background: var(--indigo-soft);
}

/* ── 授权与反馈 ─────────────────────────── */
.page-disclaimer .disc-note {
  margin: clamp(26px, 4vw, 44px) 0 clamp(18px, 2.6vw, 26px);
  padding: clamp(20px, 3vw, 30px) clamp(20px, 3vw, 32px);
  border: 1px solid var(--line);
  border-left: 3px solid var(--indigo);
  background: var(--white);
}

.page-disclaimer .disc-note__title {
  margin: 0 0 10px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.1rem;
  line-height: 1.4;
  color: var(--ink);
}

.page-disclaimer .disc-note__text {
  margin: 0;
  max-width: 68ch;
  font-family: var(--font-ui);
  font-size: 16px;
  line-height: 1.85;
  color: var(--ink-soft);
}

.page-disclaimer .disc-note__text a {
  color: var(--teal);
  text-decoration: underline;
  text-underline-offset: 3px;
  transition: color var(--t-fast);
}

.page-disclaimer .disc-note__text a:hover {
  color: var(--teal-deep);
}

/* ── 底部细条 ───────────────────────────── */
.page-disclaimer .disc-footbar {
  padding: 13px 0;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.page-disclaimer .disc-totop {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-ui);
  font-size: 14px;
  letter-spacing: 0.05em;
  color: var(--indigo);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color var(--t-fast), border-color var(--t-fast);
}

.page-disclaimer .disc-totop:hover,
.page-disclaimer .disc-totop:focus-visible {
  color: var(--amber);
  border-bottom-color: var(--amber);
}

.page-disclaimer .disc-totop__arrow {
  font-size: 13px;
  line-height: 1;
}

@media (max-width: 640px) {
  .page-disclaimer .disc-toc__list a {
    grid-template-columns: 1.7rem minmax(0, 1fr);
    padding: 7px 6px;
  }

  .page-disclaimer .disc-note {
    border-left-width: 3px;
  }
}