.page-disclaimer {
  --dc-side: 300px;
  --dc-rule: rgba(60, 74, 90, 0.7);
  --dc-rule-soft: rgba(60, 74, 90, 0.4);
  background: var(--night);
  color: var(--fg);
  overflow-x: hidden;
}

/* ---------- 首屏 ---------- */
.page-disclaimer .dc-hero {
  position: relative;
  overflow: hidden;
  border-bottom: 1px solid var(--dc-rule);
  background:
    repeating-linear-gradient(90deg, rgba(60, 74, 90, 0.32) 0 1px, transparent 1px 104px),
    repeating-linear-gradient(0deg, rgba(60, 74, 90, 0.18) 0 1px, transparent 1px 104px),
    linear-gradient(180deg, #0B1B33 0%, #122644 100%);
}

.page-disclaimer .dc-hero .aurora {
  position: absolute;
  inset: -20% -10% auto -10%;
  height: 70%;
  background: radial-gradient(60% 60% at 30% 40%, rgba(53, 198, 168, 0.16), transparent 70%),
    radial-gradient(50% 50% at 80% 20%, rgba(46, 125, 107, 0.18), transparent 72%);
  pointer-events: none;
}

.page-disclaimer .dc-hero__inner {
  position: relative;
  padding-top: 40px;
  padding-bottom: 8px;
}

.page-disclaimer .dc-hero .breadcrumb__link,
.page-disclaimer .dc-hero .breadcrumb__item {
  color: var(--fg-dim);
}

.page-disclaimer .dc-hero .eyebrow {
  margin: 32px 0 12px;
  color: var(--grass);
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.page-disclaimer .dc-hero h1 {
  margin: 0;
  max-width: 20em;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(30px, 7vw, 48px);
  line-height: 1.15;
  letter-spacing: -0.01em;
  color: var(--cream);
}

.page-disclaimer .dc-hero__lede {
  max-width: 34em;
  margin: 20px 0 0;
  font-size: 17px;
  line-height: 1.8;
  color: var(--fg-soft);
}

.page-disclaimer .dc-hero__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 24px 0 0;
}

.page-disclaimer .dc-hero__figure {
  position: relative;
  margin: 32px 0 0;
  border-top: 1px solid var(--dc-rule);
}

.page-disclaimer .dc-hero__figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
  opacity: 0.82;
}

/* ---------- 条目跳转条 ---------- */
.page-disclaimer .dc-jump {
  border-bottom: 1px solid var(--dc-rule);
  background: var(--night);
}

.page-disclaimer .dc-jump__list {
  display: flex;
  gap: 8px;
  margin: 0;
  padding: 14px 0;
  list-style: none;
  overflow-x: auto;
  scrollbar-width: thin;
  -webkit-overflow-scrolling: touch;
}

.page-disclaimer .dc-jump__link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 12px;
  white-space: nowrap;
  color: var(--fg-soft);
  text-decoration: none;
  font-size: 14px;
  border: 1px solid transparent;
  transition: color var(--t-fast), border-color var(--t-fast), background var(--t-fast);
}

.page-disclaimer .dc-jump__num {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.02em;
  color: var(--amber);
}

.page-disclaimer .dc-jump__link:hover,
.page-disclaimer .dc-jump__link:focus-visible {
  color: var(--cream);
  border-color: var(--spark);
  background: rgba(53, 198, 168, 0.08);
  outline: none;
}

/* ---------- 条目主体 ---------- */
.page-disclaimer .dc-body {
  padding: 40px 0 56px;
  background: var(--night);
}

.page-disclaimer .dc-intro {
  max-width: 42em;
  margin: 0 0 32px;
  font-size: 16px;
  line-height: 1.85;
  color: var(--fg-soft);
  padding-left: 14px;
  border-left: 2px solid var(--grass);
}

.page-disclaimer .dc-item {
  border-top: 1px solid var(--dc-rule);
}

.page-disclaimer .dc-item:last-of-type {
  border-bottom: 1px solid var(--dc-rule);
}

.page-disclaimer .dc-item__summary {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 22px 0;
  cursor: pointer;
  list-style: none;
  transition: color var(--t-fast);
}

.page-disclaimer .dc-item__summary::-webkit-details-marker {
  display: none;
}

.page-disclaimer .dc-item__summary:hover .dc-item__title,
.page-disclaimer .dc-item__summary:focus-visible .dc-item__title {
  color: var(--spark);
}

.page-disclaimer .dc-item__summary:focus-visible {
  outline: 2px solid var(--amber);
  outline-offset: 4px;
}

.page-disclaimer .dc-item__num {
  flex: none;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.04em;
  color: var(--amber);
  padding-top: 4px;
}

.page-disclaimer .dc-item__title {
  flex: 1 1 auto;
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 700;
  line-height: 1.3;
  letter-spacing: -0.01em;
  color: var(--cream);
  transition: color var(--t-fast);
}

.page-disclaimer .dc-item__mark {
  position: relative;
  flex: none;
  width: 14px;
  height: 14px;
}

.page-disclaimer .dc-item__mark::before,
.page-disclaimer .dc-item__mark::after {
  content: "";
  position: absolute;
  background: var(--spark);
  transition: transform var(--t-base) var(--ease-out);
}

.page-disclaimer .dc-item__mark::before {
  left: 0;
  top: 6px;
  width: 14px;
  height: 2px;
}

.page-disclaimer .dc-item__mark::after {
  top: 0;
  left: 6px;
  width: 2px;
  height: 14px;
}

.page-disclaimer .dc-item[open] .dc-item__mark::after {
  transform: scaleY(0);
}

.page-disclaimer .dc-item__body {
  display: grid;
  gap: 20px;
  padding: 0 0 30px;
}

.page-disclaimer .dc-item__text p {
  margin: 0 0 1.1em;
  font-size: 16px;
  line-height: 1.85;
  color: var(--fg-soft);
}

.page-disclaimer .dc-item__text p:last-child {
  margin-bottom: 0;
}

.page-disclaimer .dc-item__text a {
  color: var(--cream);
  text-decoration: none;
  border-bottom: 1px solid var(--grass);
  transition: color var(--t-fast), border-color var(--t-fast);
}

.page-disclaimer .dc-item__text a:hover,
.page-disclaimer .dc-item__text a:focus-visible {
  color: var(--spark);
  border-color: var(--spark);
}

.page-disclaimer .dc-note {
  padding: 12px 0 12px 14px;
  border-left: 2px solid var(--amber);
  background: rgba(232, 163, 61, 0.06);
}

.page-disclaimer .dc-note__label {
  margin: 0 0 6px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--amber);
}

.page-disclaimer .dc-note p {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--fg-dim);
}

.page-disclaimer .dc-note__mono {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.02em;
  color: var(--spark);
  word-break: break-word;
}

/* ---------- 收束 ---------- */
.page-disclaimer .dc-tail {
  background: var(--indigo);
  border-top: 1px solid var(--dc-rule);
  padding: 40px 0 52px;
}

.page-disclaimer .dc-tail__inner {
  display: grid;
  gap: 24px;
}

.page-disclaimer .dc-tail__title {
  margin: 0 0 10px;
  font-family: var(--font-display);
  font-size: 24px;
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--cream);
}

.page-disclaimer .dc-tail__text {
  max-width: 40em;
  margin: 0;
  font-size: 16px;
  line-height: 1.85;
  color: var(--fg-soft);
}

.page-disclaimer .dc-tail__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.page-disclaimer .dc-tail__actions .btn {
  text-decoration: none;
}

/* ---------- 平板与桌面 ---------- */
@media (min-width: 720px) {
  .page-disclaimer .dc-hero__inner {
    padding-top: 56px;
    padding-bottom: 16px;
  }

  .page-disclaimer .dc-body {
    padding: 56px 0 72px;
  }

  .page-disclaimer .dc-item__title {
    font-size: 24px;
  }

  .page-disclaimer .dc-item__summary {
    padding: 26px 0;
  }

  .page-disclaimer .dc-tail__inner {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: end;
    gap: 40px;
  }
}

@media (min-width: 960px) {
  .page-disclaimer .dc-item__body {
    grid-template-columns: minmax(0, 1fr) var(--dc-side);
    gap: 48px;
    padding-left: 34px;
    padding-bottom: 36px;
  }

  .page-disclaimer .dc-item__summary {
    padding-left: 0;
  }

  .page-disclaimer .dc-hero__figure {
    margin-top: 48px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-disclaimer .dc-hero .aurora {
    display: none;
  }

  .page-disclaimer .dc-item__mark::after {
    transition: none;
  }
}