.page-disclaimer {
  --disc-rail-w: 176px;
  --disc-measure: 68ch;
  display: block;
}

/* ---------- 顶部窄纹理带 ---------- */
.page-disclaimer .disc-ribbon {
  position: relative;
  height: clamp(84px, 13vw, 146px);
  overflow: hidden;
  background:
    linear-gradient(135deg, rgba(42, 24, 64, .96) 0%, rgba(36, 22, 54, .98) 55%, rgba(69, 42, 102, .92) 100%);
}

.page-disclaimer .disc-ribbon img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: .82;
}

.page-disclaimer .disc-ribbon::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 1px;
  background: linear-gradient(90deg, rgba(201, 162, 39, 0), rgba(201, 162, 39, .85) 22%, rgba(230, 205, 134, .9) 50%, rgba(201, 162, 39, .85) 78%, rgba(201, 162, 39, 0));
}

/* ---------- 首屏 ---------- */
.page-disclaimer .disc-hero {
  padding-top: clamp(26px, 4.4vw, 52px);
}

.page-disclaimer .disc-hero-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(20px, 4vw, 46px);
  align-items: end;
  margin-top: clamp(22px, 3.4vw, 40px);
}

.page-disclaimer .disc-hero-mark {
  display: flex;
  flex-direction: column;
  gap: 8px;
  border-left: 2px solid var(--gold);
  padding-left: 18px;
}

.page-disclaimer .disc-year {
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: clamp(64px, 17vw, 148px);
  line-height: .84;
  letter-spacing: -.03em;
  color: rgba(201, 162, 39, .16);
  -webkit-text-stroke: 1.5px rgba(138, 106, 30, .78);
  font-variant-numeric: tabular-nums;
  display: block;
}

.page-disclaimer .disc-year-caption {
  font-size: 12px;
  letter-spacing: .2em;
  color: var(--slate);
}

.page-disclaimer .disc-hero-copy .display-xl {
  margin: 10px 0 18px;
  letter-spacing: -.01em;
}

.page-disclaimer .disc-hero-copy .lead {
  max-width: 60ch;
}

/* ---------- 条款主体：左窄边注 + 单栏正文 ---------- */
.page-disclaimer .disc-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(22px, 3.6vw, 52px);
}

.page-disclaimer .disc-rail-title {
  margin: 0 0 12px;
}

.page-disclaimer .disc-rail-list {
  list-style: none;
  margin: 0;
  padding: 0 0 6px;
  display: flex;
  gap: 10px;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: thin;
}

.page-disclaimer .disc-rail .index-mark {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  white-space: nowrap;
  padding: 9px 14px;
  border: var(--line-paper);
  border-radius: var(--radius-pill);
  background: var(--ivory);
  color: var(--slate);
  font-size: 13px;
  text-decoration: none;
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease), background-color var(--dur) var(--ease);
}

.page-disclaimer .disc-rail .index-mark .mono {
  color: var(--gold-bronze);
  font-size: 12px;
  letter-spacing: .1em;
}

.page-disclaimer .disc-rail .index-mark:hover,
.page-disclaimer .disc-rail .index-mark:focus-visible {
  color: var(--purple-900);
  border-color: rgba(201, 162, 39, .68);
  background: rgba(201, 162, 39, .1);
}

.page-disclaimer .disc-rail .index-mark.is-current {
  color: var(--purple-900);
  border-color: rgba(201, 162, 39, .8);
  background: rgba(201, 162, 39, .14);
}

.page-disclaimer .disc-clauses {
  border-bottom: var(--line-paper);
}

.page-disclaimer .disc-clause {
  padding-block: clamp(24px, 3.4vw, 38px);
  border-top: var(--line-paper);
}

.page-disclaimer .disc-clause-head {
  display: flex;
  align-items: baseline;
  gap: 14px;
  margin-bottom: 16px;
  max-width: var(--disc-measure);
}

.page-disclaimer .disc-clause-head::before {
  content: "";
  flex: none;
  width: 26px;
  height: 2px;
  background: var(--gold);
  transform: translateY(-6px);
}

.page-disclaimer .disc-clause-head h2 {
  margin: 0;
  font-family: var(--font-serif);
  font-weight: 600;
  font-size: clamp(22px, 3.2vw, 30px);
  line-height: 1.35;
  color: var(--ink);
}

.page-disclaimer .disc-terms {
  list-style: none;
  counter-reset: disc-term;
  margin: 0;
  padding: 0;
  max-width: var(--disc-measure);
}

.page-disclaimer .disc-terms > li {
  counter-increment: disc-term;
  position: relative;
  padding-left: clamp(30px, 8vw, 42px);
  margin-bottom: 14px;
  font-size: 16px;
  line-height: 1.85;
  color: rgba(28, 30, 38, .78);
  overflow-wrap: anywhere;
}

.page-disclaimer .disc-terms > li:last-child {
  margin-bottom: 0;
}

.page-disclaimer .disc-terms > li::before {
  content: counter(disc-term, decimal) ".";
  position: absolute;
  left: 0;
  top: 0;
  font-family: var(--font-mono);
  font-size: 13px;
  line-height: 2.2;
  letter-spacing: .06em;
  color: var(--slate);
}

.page-disclaimer .disc-terms a {
  color: var(--gold-bronze);
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
}

.page-disclaimer .disc-terms a:hover,
.page-disclaimer .disc-terms a:focus-visible {
  color: var(--purple-900);
}

.page-disclaimer .disc-terms .mono {
  color: var(--ink);
  letter-spacing: .02em;
}

/* ---------- 折叠的历史调整 ---------- */
.page-disclaimer .disc-history {
  max-width: var(--disc-measure);
  margin-top: 22px;
  border: var(--line-paper);
  border-radius: var(--radius-card);
  background: rgba(230, 226, 216, .46);
  padding: 0 clamp(16px, 3vw, 24px);
}

.page-disclaimer .disc-history summary {
  cursor: pointer;
  padding: 15px 0;
  font-size: 15px;
  color: var(--purple-700);
  letter-spacing: .02em;
}

.page-disclaimer .disc-history summary::marker {
  color: var(--gold);
}

.page-disclaimer .disc-history summary:focus-visible {
  outline: 2px solid var(--gold-bright);
  outline-offset: 2px;
}

.page-disclaimer .disc-history-list {
  margin: 0;
  padding: 0 0 18px 18px;
  list-style: disc;
}

.page-disclaimer .disc-history-list li {
  font-size: 15px;
  line-height: 1.8;
  color: rgba(28, 30, 38, .72);
  margin-bottom: 8px;
}

.page-disclaimer .disc-history-list li:last-child {
  margin-bottom: 0;
}

/* ---------- 页尾联系卡片 ---------- */
.page-disclaimer .disc-card {
  padding: clamp(24px, 4vw, 44px);
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(22px, 3.6vw, 48px);
}

.page-disclaimer .disc-card-copy h2 {
  font-family: var(--font-serif);
  font-weight: 600;
  font-size: clamp(22px, 3.2vw, 32px);
  line-height: 1.35;
  margin: 10px 0 14px;
  color: var(--ink);
}

.page-disclaimer .disc-card-copy p {
  margin: 0;
  max-width: 52ch;
  font-size: 16px;
  line-height: 1.85;
  color: rgba(28, 30, 38, .78);
}

.page-disclaimer .disc-card-copy a {
  color: var(--gold-bronze);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-disclaimer .disc-card-copy a:hover,
.page-disclaimer .disc-card-copy a:focus-visible {
  color: var(--purple-900);
}

.page-disclaimer .disc-contact-grid {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 14px;
}

.page-disclaimer .disc-contact-grid > li {
  border-top: var(--line-paper);
  padding-top: 12px;
  display: grid;
  gap: 4px;
}

.page-disclaimer .disc-contact-label {
  font-size: 12px;
  letter-spacing: .18em;
  color: var(--slate);
}

.page-disclaimer .disc-contact-value {
  font-size: clamp(16px, 2.4vw, 19px);
  color: var(--ink);
  overflow-wrap: anywhere;
}

.page-disclaimer .disc-contact-note {
  font-size: 13px;
  color: var(--slate);
}

/* ---------- 平板与桌面 ---------- */
@media (min-width: 900px) {
  .page-disclaimer .disc-hero-grid {
    grid-template-columns: minmax(0, 4fr) minmax(0, 8fr);
    align-items: center;
  }

  .page-disclaimer .disc-hero-mark {
    border-left: none;
    border-right: var(--line-paper);
    padding-left: 0;
    padding-right: 28px;
    align-items: flex-start;
  }

  .page-disclaimer .disc-layout {
    grid-template-columns: var(--disc-rail-w) minmax(0, 1fr);
  }

  .page-disclaimer .disc-rail-inner,
  .page-disclaimer .disc-rail {
    align-self: start;
  }

  .page-disclaimer .disc-rail-list {
    flex-direction: column;
    gap: 4px;
    overflow: visible;
    padding-bottom: 0;
  }

  .page-disclaimer .disc-rail .index-mark {
    border: none;
    border-radius: 0;
    background: transparent;
    padding: 10px 0 10px 16px;
    position: relative;
    font-size: 14px;
  }

  .page-disclaimer .disc-rail .index-mark::before {
    content: "";
    position: absolute;
    left: 0;
    top: 10px;
    bottom: 10px;
    width: 2px;
    background: rgba(42, 24, 64, .14);
    transition: background-color var(--dur) var(--ease);
  }

  .page-disclaimer .disc-rail .index-mark:hover::before,
  .page-disclaimer .disc-rail .index-mark:focus-visible::before,
  .page-disclaimer .disc-rail .index-mark.is-current::before {
    background: var(--gold);
  }

  .page-disclaimer .disc-rail .index-mark:hover,
  .page-disclaimer .disc-rail .index-mark:focus-visible,
  .page-disclaimer .disc-rail .index-mark.is-current {
    background: transparent;
  }

  .page-disclaimer .disc-rail-title {
    margin-bottom: 16px;
  }

  .page-disclaimer .disc-clauses {
    padding-left: clamp(0px, 2vw, 26px);
  }

  .page-disclaimer .disc-card {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    align-items: start;
  }

  .page-disclaimer .disc-contact-grid {
    gap: 18px;
  }
}

@media (min-width: 1180px) {
  .page-disclaimer .disc-rail {
    position: sticky;
    top: calc(var(--header-h) + 28px);
  }

  .page-disclaimer .disc-clauses {
    padding-left: 40px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-disclaimer .disc-rail .index-mark,
  .page-disclaimer .disc-rail .index-mark::before {
    transition: none;
  }
}