.page-disclaimer {
  --disc-anchor: 104px;
  --disc-frame: rgba(192, 138, 62, 0.42);
  --disc-frame-soft: rgba(192, 138, 62, 0.22);
  --disc-band: rgba(168, 50, 42, 0.06);
  background:
    linear-gradient(180deg, rgba(237, 228, 210, 0.55) 0%, rgba(246, 241, 228, 0) 260px),
    var(--ivory);
  padding-bottom: clamp(48px, 8vw, 96px);
}

.page-disclaimer .disc-body,
.page-disclaimer .disc-masthead {
  margin-top: clamp(20px, 3vw, 34px);
}

/* ---------- 首屏：条款纸抬头 ---------- */
.page-disclaimer .disc-masthead {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(20px, 3vw, 34px);
  align-items: end;
}

.page-disclaimer .disc-masthead__media {
  position: relative;
  border: 1px solid var(--disc-frame);
  background: var(--paper);
  padding: 8px;
  box-shadow: var(--shadow-card);
}

.page-disclaimer .disc-masthead__media::after {
  content: "";
  position: absolute;
  inset: 8px;
  border: 1px solid var(--disc-frame-soft);
  pointer-events: none;
}

.page-disclaimer .disc-masthead__media img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
  filter: saturate(0.78) contrast(1.05);
}

.page-disclaimer .disc-masthead__copy {
  position: relative;
  border-top: 3px solid var(--ink-800);
  padding-top: clamp(18px, 3vw, 26px);
}

.page-disclaimer .disc-masthead__copy h1 {
  margin: 14px 0 16px;
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: var(--fs-1);
  letter-spacing: 0.04em;
  color: var(--ink-800);
  line-height: 1.16;
}

.page-disclaimer .lede {
  max-width: 46ch;
  margin: 0;
  color: var(--body-text);
  line-height: 1.95;
}

.page-disclaimer .disc-effective {
  margin: 18px 0 0;
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: 0.06em;
  color: var(--silver);
  border-top: 1px dashed var(--disc-frame-soft);
  padding-top: 12px;
}

.page-disclaimer .disc-stamp {
  display: inline-block;
  position: absolute;
  top: clamp(14px, 3vw, 26px);
  right: 0;
  padding: 5px 12px;
  border: 1.5px solid var(--cinnabar);
  color: var(--cinnabar);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.24em;
  transform: rotate(-2.5deg);
  opacity: 0.82;
}

/* ---------- 主体：正文 + 竖排编号栏 ---------- */
.page-disclaimer .disc-body {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(18px, 3vw, 28px);
  align-items: start;
}

.page-disclaimer .disc-rail {
  border: 1px solid var(--disc-frame-soft);
  background: var(--paper);
  padding: 14px 12px;
}

.page-disclaimer .disc-rail__title {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.3em;
  color: var(--copper);
  text-transform: uppercase;
}

.page-disclaimer .disc-rail__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.page-disclaimer .disc-rail__row {
  margin: 0;
}

.page-disclaimer .disc-rail__item {
  display: flex;
  align-items: baseline;
  gap: 8px;
  padding: 6px 10px;
  border: 1px solid var(--disc-frame-soft);
  color: var(--graphite);
  text-decoration: none;
  font-size: 13px;
  transition: border-color var(--dur) var(--ease), color var(--dur) var(--ease), background-color var(--dur) var(--ease);
}

.page-disclaimer .disc-rail__num {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--copper);
  letter-spacing: 0.08em;
}

.page-disclaimer .disc-rail__item:hover,
.page-disclaimer .disc-rail__item:focus-visible {
  border-color: var(--copper);
  background: var(--ivory);
  color: var(--ink-800);
}

.page-disclaimer .disc-rail__item:focus-visible {
  outline: 2px solid var(--copper);
  outline-offset: 1px;
}

/* ---------- 条款 ---------- */
.page-disclaimer .disc-clauses {
  display: flex;
  flex-direction: column;
  gap: clamp(16px, 2.4vw, 24px);
}

.page-disclaimer .disc-clause {
  position: relative;
  background: var(--ivory);
  border: 1px solid var(--disc-frame-soft);
  border-top: 2px solid var(--ink-800);
  padding: clamp(20px, 3vw, 30px) clamp(18px, 3vw, 32px);
  scroll-margin-top: var(--disc-anchor);
  box-shadow: var(--shadow-card);
}

.page-disclaimer .disc-clause::before {
  content: "";
  position: absolute;
  right: -1px;
  bottom: -1px;
  width: 18px;
  height: 18px;
  border-right: 1px solid var(--disc-frame);
  border-bottom: 1px solid var(--disc-frame);
}

.page-disclaimer .disc-clause__head {
  display: flex;
  align-items: baseline;
  gap: 12px;
  margin-bottom: 14px;
}

.page-disclaimer .disc-clause__num {
  font-family: var(--font-mono);
  font-size: 20px;
  font-weight: 700;
  color: var(--copper);
  letter-spacing: 0.04em;
  flex: none;
}

.page-disclaimer .disc-clause__head h2 {
  margin: 0;
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: var(--fs-3);
  color: var(--ink-800);
  letter-spacing: 0.02em;
  line-height: 1.4;
}

.page-disclaimer .disc-clause__lead {
  margin: 0 0 14px;
  font-size: 17px;
  font-weight: 600;
  line-height: 1.85;
  color: var(--ink-600);
}

.page-disclaimer .disc-clause__note {
  margin: 0 0 12px;
  padding-left: 16px;
  border-left: 1px solid var(--disc-frame-soft);
  font-size: 15px;
  line-height: 2;
  color: var(--body-text);
}

.page-disclaimer .disc-clause__note:last-child {
  margin-bottom: 0;
}

.page-disclaimer .disc-clause__note .link {
  color: var(--ink-800);
}

.page-disclaimer .disc-alert {
  margin: 0 0 14px;
  padding: 14px 16px;
  border-left: 3px solid var(--cinnabar);
  background: var(--disc-band);
  font-size: 15px;
  line-height: 1.9;
  color: var(--ink-800);
}

.page-disclaimer .disc-backtop {
  margin: 6px 0 0;
  padding-top: 14px;
  border-top: 1px dashed var(--disc-frame-soft);
  text-align: right;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.06em;
}

/* ---------- 桌面：竖排编号栏 + 宽松正文 ---------- */
@media (min-width: 880px) {
  .page-disclaimer .disc-masthead {
    grid-template-columns: minmax(0, 0.92fr) minmax(0, 1.08fr);
    gap: clamp(28px, 4vw, 52px);
  }

  .page-disclaimer .disc-masthead__copy {
    padding-bottom: 6px;
  }

  .page-disclaimer .disc-body {
    grid-template-columns: minmax(0, 1fr) 196px;
    gap: clamp(28px, 4vw, 56px);
  }

  .page-disclaimer .disc-clauses {
    grid-column: 1;
    grid-row: 1;
  }

  .page-disclaimer .disc-rail {
    grid-column: 2;
    grid-row: 1;
    position: sticky;
    top: 108px;
  }

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

  .page-disclaimer .disc-rail__item {
    border: none;
    border-left: 2px solid var(--disc-frame-soft);
    padding: 9px 10px;
    border-radius: 0;
  }

  .page-disclaimer .disc-rail__item:hover,
  .page-disclaimer .disc-rail__item:focus-visible {
    border-left-color: var(--copper);
    background: rgba(237, 228, 210, 0.7);
  }

  .page-disclaimer .disc-clause__note {
    padding-left: 22px;
  }
}

@media (min-width: 1120px) {
  .page-disclaimer .disc-body {
    grid-template-columns: minmax(0, 1fr) 220px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-disclaimer .disc-rail__item {
    transition: none;
  }
}
<<<END>>>
</main>