.page-disclaimer {
  --disc-rail: 240px;
  background: var(--paper-50);
  color: var(--text-900);
  overflow-x: hidden;
}

/* ---------- 首屏：框景 + 大号版本编号 ---------- */
.page-disclaimer .disc-hero {
  position: relative;
  overflow: hidden;
  padding: var(--s-28) 0 var(--s-40);
  background:
    radial-gradient(120% 150% at 8% 0%, #14395C 0%, var(--ink-950) 60%, var(--ink-950) 100%);
  color: var(--text-invert);
  border-bottom: 1px solid var(--hair-ink);
}

.page-disclaimer .disc-hero__media {
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.page-disclaimer .disc-hero__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.2;
  mix-blend-mode: screen;
}

.page-disclaimer .disc-hero__inner {
  position: relative;
  z-index: 1;
}

.page-disclaimer .disc-hero .breadcrumb {
  margin-bottom: var(--s-20);
}

.page-disclaimer .disc-hero__grid {
  display: grid;
  gap: var(--s-20);
  align-items: end;
}

.page-disclaimer .disc-hero__eyebrow {
  margin: 0 0 var(--s-12);
  font-size: 13px;
  letter-spacing: 0.08em;
  color: var(--cyan-400);
}

.page-disclaimer .disc-hero h1 {
  margin: 0 0 var(--s-16);
  font-family: var(--font-sans);
  font-weight: 800;
  font-size: clamp(2rem, 9vw, 3.5rem);
  line-height: 1.08;
  letter-spacing: -0.01em;
}

.page-disclaimer .disc-hero__lead {
  max-width: 46ch;
  margin: 0;
  font-size: 16px;
  line-height: 1.75;
  color: var(--text-invert);
  opacity: 0.88;
}

.page-disclaimer .disc-hero__serial {
  display: flex;
  align-items: baseline;
  gap: var(--s-12);
  padding-top: var(--s-16);
  border-top: 1px solid var(--hair-ink);
}

.page-disclaimer .disc-hero__serial-num {
  font-size: clamp(3rem, 14vw, 5rem);
  font-weight: 700;
  line-height: 0.9;
  color: var(--cyan-400);
  letter-spacing: 0.02em;
}

.page-disclaimer .disc-hero__serial-label {
  font-size: 12px;
  letter-spacing: 0.18em;
  color: var(--cyan-200);
}

.page-disclaimer .disc-hero__facts {
  display: grid;
  gap: var(--s-12);
  margin: var(--s-28) 0 0;
  padding: var(--s-20) 0 0;
  border-top: 1px solid var(--hair-ink);
}

.page-disclaimer .disc-fact dt {
  margin: 0 0 4px;
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--cyan-200);
}

.page-disclaimer .disc-fact dd {
  margin: 0;
  font-size: 14px;
  line-height: 1.6;
  color: var(--text-invert);
  opacity: 0.86;
}

/* ---------- 主体：左目录 + 条款纵向阅读 ---------- */
.page-disclaimer .disc-layout {
  display: block;
  padding-top: var(--s-28);
  padding-bottom: var(--s-40);
}

.page-disclaimer .disc-rail {
  display: flex;
  gap: var(--s-12);
  overflow-x: auto;
  padding-bottom: var(--s-16);
  margin-bottom: var(--s-20);
  border-bottom: 1px solid var(--paper-200);
  -webkit-overflow-scrolling: touch;
}

.page-disclaimer .disc-rail::-webkit-scrollbar {
  height: 3px;
}

.page-disclaimer .disc-rail::-webkit-scrollbar-thumb {
  background: var(--paper-200);
}

.page-disclaimer .disc-rail__title {
  display: none;
}

.page-disclaimer .disc-rail .chapter-rail__link {
  flex: 0 0 auto;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 12px;
  border: 1px solid var(--paper-200);
  border-radius: 999px;
  font-size: 13px;
  line-height: 1.4;
  color: var(--text-500);
  text-decoration: none;
  white-space: nowrap;
  transition: color 180ms var(--ease), border-color 180ms var(--ease), background 180ms var(--ease);
}

.page-disclaimer .disc-rail .chapter-rail__num {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--cyan-600);
}

.page-disclaimer .disc-rail .chapter-rail__link.is-active {
  color: var(--ink-950);
  border-color: var(--cyan-400);
  background: rgba(47, 227, 196, 0.1);
}

.page-disclaimer .disc-body {
  max-width: 68ch;
}

.page-disclaimer .disc-clause {
  padding: var(--s-28) 0;
  border-top: 1px solid var(--paper-200);
}

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

.page-disclaimer .disc-clause__head {
  display: grid;
  grid-template-columns: 2.75rem minmax(0, 1fr);
  gap: var(--s-12);
  align-items: baseline;
  margin-bottom: var(--s-20);
}

.page-disclaimer .disc-clause__num {
  font-size: 15px;
  letter-spacing: 0.08em;
  color: var(--orange-500);
}

.page-disclaimer .disc-clause__title {
  margin: 0;
  font-size: clamp(1.25rem, 5vw, 1.75rem);
  font-weight: 700;
  line-height: 1.3;
  color: var(--ink-950);
}

.page-disclaimer .disc-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-disclaimer .disc-item {
  display: grid;
  grid-template-columns: 2.75rem minmax(0, 1fr);
  gap: var(--s-12);
  padding: var(--s-16) 0;
  border-top: 1px solid var(--paper-200);
}

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

.page-disclaimer .disc-item__num {
  font-size: 13px;
  letter-spacing: 0.06em;
  color: var(--text-500);
  padding-top: 3px;
}

.page-disclaimer .disc-item__body p {
  margin: 0;
  font-size: 16px;
  line-height: 1.75;
}

.page-disclaimer .disc-item__body a {
  color: var(--cyan-600);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-disclaimer .disc-item--key {
  border-left: 3px solid var(--orange-500);
  padding-left: var(--s-16);
  background: rgba(255, 122, 47, 0.06);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
}

.page-disclaimer .disc-item--key .disc-item__num {
  color: var(--orange-700);
}

.page-disclaimer .disc-copy {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--s-12);
  margin-top: var(--s-16);
  padding: var(--s-12) var(--s-16);
  border: 1px solid var(--paper-200);
  border-radius: var(--radius-sm);
  background: #FFFFFF;
}

.page-disclaimer .disc-copy__value {
  font-size: 13px;
  letter-spacing: 0.04em;
  color: var(--ink-800);
  word-break: break-all;
}

/* ---------- 中途留白块 ---------- */
.page-disclaimer .disc-note {
  margin: var(--s-28) 0;
  padding: var(--s-20);
  background: #FFFFFF;
  border: 1px solid var(--paper-200);
  border-left: 3px solid var(--cyan-400);
  border-radius: var(--radius-sm);
}

.page-disclaimer .disc-note__title {
  margin: 0 0 var(--s-12);
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--cyan-600);
}

.page-disclaimer .disc-note p {
  margin: 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--text-500);
}

.page-disclaimer .disc-note a {
  color: var(--ink-950);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* ---------- 收束 ---------- */
.page-disclaimer .disc-outro {
  background: #FFFFFF;
  border-top: 1px solid var(--paper-200);
  padding: var(--s-40) 0 var(--s-56);
}

.page-disclaimer .disc-outro__serial {
  margin: 0 0 var(--s-12);
  font-size: 12px;
  letter-spacing: 0.18em;
  color: var(--text-500);
}

.page-disclaimer .disc-outro__title {
  margin: 0 0 var(--s-12);
  font-size: clamp(1.25rem, 5vw, 1.6rem);
  font-weight: 700;
  color: var(--ink-950);
}

.page-disclaimer .disc-outro__text {
  max-width: 60ch;
  margin: 0 0 var(--s-20);
  font-size: 15px;
  line-height: 1.75;
  color: var(--text-500);
}

.page-disclaimer .disc-outro__links {
  display: flex;
  flex-wrap: wrap;
  gap: var(--s-12);
}

/* ---------- 断点 ---------- */
@media (min-width: 640px) {
  .page-disclaimer .disc-hero {
    padding: var(--s-40) 0 var(--s-56);
  }

  .page-disclaimer .disc-hero__facts {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: var(--s-20);
  }

  .page-disclaimer .disc-note {
    padding: var(--s-28);
  }
}

@media (min-width: 900px) {
  .page-disclaimer .disc-hero__grid {
    grid-template-columns: minmax(0, 1fr) auto;
    gap: var(--s-40);
  }

  .page-disclaimer .disc-hero__serial {
    flex-direction: column;
    align-items: flex-end;
    gap: 6px;
    border-top: 0;
    border-right: 1px solid var(--hair-ink);
    padding: 0 var(--s-20) 0 0;
  }

  .page-disclaimer .disc-layout {
    display: grid;
    grid-template-columns: var(--disc-rail) minmax(0, 1fr);
    gap: var(--s-56);
    padding-top: var(--s-40);
    padding-bottom: var(--s-56);
  }

  .page-disclaimer .disc-rail {
    position: sticky;
    top: 108px;
    align-self: start;
    flex-direction: column;
    gap: 2px;
    overflow: visible;
    padding: 0 var(--s-16) 0 0;
    margin-bottom: 0;
    border-bottom: 0;
    border-right: 1px solid var(--paper-200);
    max-height: calc(100vh - 140px);
  }

  .page-disclaimer .disc-rail::-webkit-scrollbar {
    height: 0;
  }

  .page-disclaimer .disc-rail__title {
    display: block;
    margin: 0 0 var(--s-12);
    font-size: 12px;
    letter-spacing: 0.16em;
    color: var(--text-500);
  }

  .page-disclaimer .disc-rail .chapter-rail__link {
    border: 0;
    border-radius: 0;
    padding: 8px 0 8px var(--s-12);
    border-left: 1px solid transparent;
    font-size: 14px;
    white-space: normal;
  }

  .page-disclaimer .disc-rail .chapter-rail__link.is-active {
    background: transparent;
    border-left-color: var(--cyan-400);
    color: var(--ink-950);
    transform: translateX(4px);
  }

  .page-disclaimer .disc-clause {
    padding: var(--s-40) 0;
  }

  .page-disclaimer .disc-note {
    margin: var(--s-40) 0;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-disclaimer .disc-rail .chapter-rail__link,
  .page-disclaimer .disc-rail .chapter-rail__link.is-active {
    transition: none;
    transform: none;
  }
}