.page-disclaimer {
  --dc-hang: 2.25rem;
  --dc-gap: 0.875rem;
  background: var(--abyss);
  color: var(--mint);
  font-family: var(--font-head);
  overflow-x: clip;
}

/* ---------- 页首 ---------- */
.page-disclaimer .dc-hero {
  position: relative;
  isolation: isolate;
  padding: clamp(6.5rem, 17vw, 11rem) 0 clamp(2.25rem, 6vw, 3.75rem);
  background: linear-gradient(180deg, var(--abyss) 0%, var(--reef) 64%, var(--abyss) 100%);
  overflow: hidden;
}

.page-disclaimer .dc-hero__mesh {
  position: absolute;
  inset: 0;
  z-index: -2;
  pointer-events: none;
  background-image:
    repeating-linear-gradient(to right, rgba(36, 240, 216, 0.075) 0 1px, transparent 1px 54px),
    repeating-linear-gradient(to bottom, rgba(36, 240, 216, 0.05) 0 1px, transparent 1px 54px),
    radial-gradient(120% 90% at 10% -12%, rgba(122, 92, 255, 0.30), transparent 62%),
    radial-gradient(90% 80% at 98% 6%, rgba(36, 240, 216, 0.16), transparent 58%);
  mask-image: linear-gradient(180deg, transparent 0%, #000 14%, #000 70%, transparent 100%);
  -webkit-mask-image: linear-gradient(180deg, transparent 0%, #000 14%, #000 70%, transparent 100%);
}

.page-disclaimer .dc-hero__glyph {
  position: absolute;
  right: -0.04em;
  bottom: -0.30em;
  z-index: -1;
  font-family: var(--font-mono);
  font-size: clamp(11rem, 34vw, 25rem);
  line-height: 1;
  color: rgba(36, 240, 216, 0.045);
  -webkit-text-stroke: 1px rgba(36, 240, 216, 0.20);
  pointer-events: none;
  user-select: none;
}

.page-disclaimer .dc-hero__inner {
  position: relative;
}

.page-disclaimer .dc-hero__crumb {
  margin: 0 0 clamp(1.5rem, 4vw, 2.5rem);
}

.page-disclaimer .dc-hero__eyebrow {
  color: var(--cyan);
  margin: 0 0 0.9rem;
}

.page-disclaimer .dc-hero__title {
  margin: 0;
  font-size: clamp(2.15rem, 9vw, 4.35rem);
  font-weight: 900;
  letter-spacing: 0.06em;
  line-height: 1.08;
  color: var(--mint);
}

.page-disclaimer .dc-hero__lede {
  margin: clamp(1.25rem, 4vw, 1.9rem) 0 0;
  max-width: 34em;
  padding-left: 1rem;
  border-left: 1px solid var(--line);
  font-size: clamp(0.9375rem, 2.6vw, 1.0625rem);
  line-height: 1.85;
  color: rgba(232, 246, 255, 0.78);
}

.page-disclaimer .dc-hero__toc {
  margin: clamp(2rem, 6vw, 3.25rem) 0 0;
  padding: 0;
  list-style: none;
  max-width: 52rem;
  border-top: 1px solid var(--line-soft);
}

.page-disclaimer .dc-hero__toc li {
  border-bottom: 1px solid var(--line-soft);
}

.page-disclaimer .dc-hero__toc a {
  display: grid;
  grid-template-columns: 2.5rem 1fr;
  gap: 0.75rem;
  padding: 0.7rem 0.35rem;
  font-size: 0.9375rem;
  line-height: 1.6;
  color: var(--slate);
  text-decoration: none;
  transition: color 0.2s var(--ease), background-color 0.2s var(--ease);
}

.page-disclaimer .dc-hero__toc a:hover,
.page-disclaimer .dc-hero__toc a:focus-visible {
  color: var(--cyan);
  background: rgba(18, 50, 83, 0.55);
}

/* ---------- 首屏横幅 ---------- */
.page-disclaimer .dc-banner {
  display: block;
  margin: 0;
  border-block: 1px solid var(--line);
  background: var(--reef);
  overflow: hidden;
}

.page-disclaimer .dc-banner img {
  display: block;
  width: 100%;
  height: clamp(170px, 26vw, 330px);
  max-width: 100%;
  object-fit: cover;
  opacity: 0.9;
}

/* ---------- 正文 ---------- */
.page-disclaimer .dc-body {
  display: grid;
  gap: clamp(2.25rem, 6vw, 4rem);
  padding-block: clamp(2.75rem, 8vw, 5rem) clamp(5rem, 12vw, 8rem);
}

.page-disclaimer .dc-section {
  max-width: 54rem;
  padding-top: clamp(1.5rem, 4vw, 2.25rem);
  border-top: 1px solid var(--line-soft);
  scroll-margin-top: 7rem;
}

.page-disclaimer .dc-head {
  display: grid;
  grid-template-columns: var(--dc-hang) 1fr;
  gap: var(--dc-gap);
  align-items: start;
  margin-bottom: clamp(1.1rem, 3vw, 1.75rem);
}

.page-disclaimer .dc-head__num {
  font-size: 1.0625rem;
  line-height: 1.5;
  letter-spacing: 0.08em;
  color: var(--cyan);
  padding-top: 0.12em;
}

.page-disclaimer .dc-head__title {
  margin: 0;
  font-size: clamp(1.2rem, 4.2vw, 1.7rem);
  font-weight: 800;
  letter-spacing: 0.04em;
  line-height: 1.34;
  color: var(--mint);
}

.page-disclaimer .dc-head__note {
  margin: 0.5rem 0 0;
  font-size: 0.8125rem;
}

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

.page-disclaimer .dc-item {
  position: relative;
  display: grid;
  grid-template-columns: var(--dc-hang) 1fr;
  gap: var(--dc-gap);
  align-items: start;
  padding: 0.95rem 0;
  border-top: 1px solid var(--line-soft);
}

.page-disclaimer .dc-item:last-child {
  border-bottom: 1px solid var(--line-soft);
}

.page-disclaimer .dc-item::before {
  content: "";
  position: absolute;
  left: -6px;
  top: 0.95rem;
  bottom: 0.95rem;
  width: 2px;
  border-radius: 1px;
  background: var(--cyan);
  opacity: 0;
  transform: scaleY(0.4);
  transform-origin: top center;
  transition: opacity 0.22s var(--ease), transform 0.22s var(--ease);
}

.page-disclaimer .dc-item:hover::before,
.page-disclaimer .dc-item:focus-within::before {
  opacity: 1;
  transform: scaleY(1);
}

.page-disclaimer .dc-item__num {
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  line-height: 1.6;
  color: var(--slate);
  padding-top: 0.36em;
  transition: color 0.2s var(--ease);
}

.page-disclaimer .dc-item:hover .dc-item__num,
.page-disclaimer .dc-item:focus-within .dc-item__num {
  color: var(--cyan);
}

.page-disclaimer .dc-item__text {
  margin: 0;
  font-size: 0.9375rem;
  line-height: 1.8;
  color: rgba(232, 246, 255, 0.82);
}

.page-disclaimer .dc-key {
  color: var(--mint);
  border-bottom: 1px solid rgba(36, 240, 216, 0.6);
  padding-bottom: 1px;
}

/* ---------- 回到页首 ---------- */
.page-disclaimer .dc-top {
  position: fixed;
  right: clamp(14px, 3vw, 30px);
  bottom: 5.5rem;
  z-index: 40;
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  padding: 0.5rem 0.75rem;
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  letter-spacing: 0.08em;
  color: var(--mint);
  background: rgba(11, 39, 64, 0.88);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  text-decoration: none;
  backdrop-filter: blur(6px);
  transition: color 0.2s var(--ease), border-color 0.2s var(--ease), background-color 0.2s var(--ease);
}

.page-disclaimer .dc-top__arrow {
  color: var(--cyan);
}

.page-disclaimer .dc-top:hover,
.page-disclaimer .dc-top:focus-visible {
  color: var(--cyan);
  border-color: rgba(36, 240, 216, 0.6);
  background: rgba(18, 50, 83, 0.96);
}

/* ---------- 响应式 ---------- */
@media (min-width: 720px) {
  .page-disclaimer {
    --dc-hang: 3.25rem;
    --dc-gap: 1.5rem;
  }

  .page-disclaimer .dc-hero__toc {
    display: grid;
    grid-template-columns: 1fr 1fr;
    column-gap: 2.5rem;
  }

  .page-disclaimer .dc-item {
    padding: 1.1rem 0;
  }
}

@media (min-width: 1024px) {
  .page-disclaimer {
    --dc-hang: 3.75rem;
  }

  .page-disclaimer .dc-item__text {
    font-size: 1rem;
  }

  .page-disclaimer .dc-top {
    bottom: 2rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-disclaimer .dc-item::before,
  .page-disclaimer .dc-item__num,
  .page-disclaimer .dc-hero__toc a,
  .page-disclaimer .dc-top {
    transition: none;
  }

  .page-disclaimer .dc-item::before {
    transform: none;
  }
}