.page-disclaimer {
  --dc-line: rgba(143, 216, 255, 0.28);
  --dc-grid: rgba(143, 216, 255, 0.09);
  background: var(--space);
  color: var(--snow);
  font-family: var(--font-sans);
  overflow-x: hidden;
}

/* ---------- 首屏 ---------- */
.page-disclaimer .dc-hero {
  position: relative;
  isolation: isolate;
  padding: clamp(1.5rem, 4vw, 2.5rem) 0 clamp(2.25rem, 5vw, 3.5rem);
  background: linear-gradient(158deg, var(--space) 0%, var(--deepice) 58%, #06101d 100%);
  border-bottom: var(--bw) solid var(--ice);
  overflow: hidden;
}

.page-disclaimer .dc-hero__bg {
  position: absolute;
  inset: 0;
  margin: 0;
  z-index: 0;
}

.page-disclaimer .dc-hero__bg img {
  width: 100%;
  height: 100%;
  max-width: 100%;
  object-fit: cover;
  opacity: 0.2;
  filter: saturate(0.75) contrast(1.05);
}

.page-disclaimer .dc-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background-image:
    linear-gradient(var(--dc-grid) 1px, transparent 1px),
    linear-gradient(90deg, var(--dc-grid) 1px, transparent 1px);
  background-size: 64px 64px;
}

.page-disclaimer .dc-hero__inner {
  position: relative;
  z-index: 2;
}

.page-disclaimer .breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem;
  margin: 0 0 1.5rem;
  padding: 0;
  list-style: none;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  color: var(--silver);
}

.page-disclaimer .breadcrumb li + li::before {
  content: "/";
  margin-right: 0.5rem;
  color: var(--orange);
}

.page-disclaimer .breadcrumb a {
  color: var(--ice);
  text-decoration: none;
}

.page-disclaimer .breadcrumb a:hover,
.page-disclaimer .breadcrumb a:focus-visible {
  color: var(--orange);
  text-decoration: underline;
}

.page-disclaimer .breadcrumb [aria-current="page"] {
  color: var(--snow);
}

.page-disclaimer .dc-hero__eyebrow {
  margin: 0 0 0.75rem;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--aurora);
}

.page-disclaimer .dc-hero__eyebrow::before {
  content: "";
  display: inline-block;
  width: 28px;
  height: 3px;
  margin-right: 0.75rem;
  vertical-align: middle;
  background: var(--orange);
}

.page-disclaimer h1 {
  margin: 0 0 1.25rem;
  font-size: clamp(2.1rem, 6.5vw, 4rem);
  font-weight: 900;
  line-height: 1.12;
  letter-spacing: 0.04em;
  color: var(--snow);
}

.page-disclaimer .dc-hero__lead {
  max-width: 64ch;
  margin: 0 0 2rem;
  font-size: clamp(1rem, 1.6vw, 1.125rem);
  line-height: 1.8;
  color: rgba(247, 251, 255, 0.86);
}

.page-disclaimer .dc-meta {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  margin: 0;
  border: 2px solid var(--dc-line);
  background: var(--dc-line);
}

.page-disclaimer .dc-meta__item {
  padding: 0.85rem 1rem;
  background: rgba(6, 16, 29, 0.86);
}

.page-disclaimer .dc-meta dt {
  margin: 0 0 0.35rem;
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--aurora);
}

.page-disclaimer .dc-meta dd {
  margin: 0;
  font-size: 0.9375rem;
  color: var(--snow);
}

/* ---------- 条款主体 ---------- */
.page-disclaimer .dc-body {
  padding: clamp(2rem, 5vw, 3.5rem) 0 clamp(2.5rem, 6vw, 4rem);
  background: var(--deepice);
  border-bottom: var(--bw) solid var(--space);
}

.page-disclaimer .dc-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
  align-items: start;
}

.page-disclaimer .dc-index {
  border: var(--bw) solid var(--ice);
  background: rgba(6, 16, 29, 0.72);
  padding: 1rem 1rem 1.25rem;
  box-shadow: 6px 6px 0 rgba(10, 27, 46, 0.55);
}

.page-disclaimer .dc-index__title {
  margin: 0 0 0.85rem;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--aurora);
}

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

.page-disclaimer .dc-index__link {
  display: flex;
  align-items: baseline;
  gap: 0.75rem;
  padding: 0.6rem 0.5rem;
  border-left: 3px solid transparent;
  color: var(--snow);
  font-size: 0.9375rem;
  text-decoration: none;
  transition: background-color 180ms ease, border-color 180ms ease, color 180ms ease;
}

.page-disclaimer .dc-index__link:hover,
.page-disclaimer .dc-index__link:focus-visible {
  border-left-color: var(--orange);
  background: rgba(143, 216, 255, 0.1);
  color: var(--ice);
}

.page-disclaimer .dc-index__num {
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  color: var(--orange);
}

.page-disclaimer .dc-index__note {
  margin: 1rem 0 0;
  padding-top: 0.85rem;
  border-top: 1px dashed var(--dc-line);
  font-size: 0.8125rem;
  line-height: 1.7;
  color: rgba(247, 251, 255, 0.68);
}

.page-disclaimer .dc-terms {
  display: grid;
  gap: 1.25rem;
}

.page-disclaimer .dc-term {
  border: var(--bw) solid var(--space);
  background: var(--paper);
  color: var(--char);
  box-shadow: 7px 7px 0 rgba(143, 216, 255, 0.34);
}

.page-disclaimer .dc-term__head {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 1rem 1.15rem;
  cursor: pointer;
  list-style: none;
  background: var(--snow);
  transition: background-color 180ms ease;
}

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

.page-disclaimer .dc-term__head:hover {
  background: var(--ice-soft);
}

.page-disclaimer .dc-term[open] .dc-term__head {
  border-bottom: 2px solid var(--silver);
}

.page-disclaimer .dc-term__head::after {
  content: "＋";
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 1.05rem;
  line-height: 1;
  color: var(--orange);
}

.page-disclaimer .dc-term[open] .dc-term__head::after {
  content: "－";
}

.page-disclaimer .dc-term__num {
  flex: 0 0 auto;
  padding-right: 0.9rem;
  border-right: 2px solid var(--silver);
  font-family: var(--font-mono);
  font-size: 1.125rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  color: var(--orange);
}

.page-disclaimer .dc-term__title {
  margin: 0;
  font-size: 1.125rem;
  font-weight: 900;
  letter-spacing: 0.03em;
  color: var(--space);
}

.page-disclaimer .dc-term__body {
  padding: 1.15rem 1.15rem 1.4rem;
}

.page-disclaimer .dc-term__body p {
  margin: 0 0 1rem;
  font-size: 1rem;
  line-height: 1.8;
  color: var(--char);
}

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

.page-disclaimer .dc-term__flag {
  display: inline-block;
  margin-right: 0.5rem;
  padding: 0.15rem 0.5rem;
  background: var(--aurora);
  color: var(--space);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  vertical-align: 0.1em;
}

.page-disclaimer .dc-term__list {
  margin: 0 0 1rem;
  padding: 0;
  list-style: none;
}

.page-disclaimer .dc-term__list li {
  position: relative;
  padding-left: 1.4rem;
  margin-bottom: 0.6rem;
  font-size: 0.9375rem;
  line-height: 1.75;
  color: var(--char);
}

.page-disclaimer .dc-term__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.62em;
  width: 8px;
  height: 8px;
  background: var(--orange);
}

.page-disclaimer .dc-term__list li:last-child {
  margin-bottom: 0;
}

/* ---------- 延伸入口 ---------- */
.page-disclaimer .dc-cta {
  padding: clamp(2.25rem, 5vw, 3.5rem) 0 clamp(2.5rem, 6vw, 4rem);
  background: var(--ice);
  color: var(--space);
  border-top: var(--bw) solid var(--space);
}

.page-disclaimer .dc-cta__title {
  margin: 0 0 0.85rem;
  font-size: clamp(1.5rem, 3.6vw, 2.25rem);
  font-weight: 900;
  letter-spacing: 0.04em;
  color: var(--space);
}

.page-disclaimer .dc-cta__note {
  max-width: 60ch;
  margin: 0 0 1.75rem;
  font-size: 1rem;
  line-height: 1.8;
  color: var(--char);
}

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

.page-disclaimer .dc-cta__card {
  display: flex;
  flex-direction: column;
  gap: 0.55rem;
  padding: 1.15rem;
  border: var(--bw) solid var(--space);
  background: var(--snow);
  color: var(--space);
  text-decoration: none;
  box-shadow: 6px 6px 0 var(--space);
  transition: transform 180ms ease, box-shadow 180ms ease, background-color 180ms ease;
}

.page-disclaimer .dc-cta__card:hover,
.page-disclaimer .dc-cta__card:focus-visible {
  transform: translate(-3px, -3px);
  box-shadow: 9px 9px 0 var(--space);
  background: #ffffff;
}

.page-disclaimer .dc-cta__tag {
  align-self: flex-start;
  padding: 0.15rem 0.5rem;
  background: var(--space);
  color: var(--ice);
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  letter-spacing: 0.14em;
}

.page-disclaimer .dc-cta__card-title {
  font-size: 1.0625rem;
  font-weight: 700;
  letter-spacing: 0.02em;
}

.page-disclaimer .dc-cta__card-desc {
  font-size: 0.875rem;
  line-height: 1.7;
  color: var(--char);
}

/* ---------- 响应式 ---------- */
@media (min-width: 720px) {
  .page-disclaimer .dc-meta {
    grid-template-columns: repeat(2, 1fr);
  }

  .page-disclaimer .dc-cta__grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (min-width: 1024px) {
  .page-disclaimer .dc-meta {
    grid-template-columns: repeat(4, 1fr);
  }

  .page-disclaimer .dc-layout {
    grid-template-columns: 276px minmax(0, 1fr);
    gap: 2.5rem;
  }

  .page-disclaimer .dc-index {
    position: sticky;
    top: 1.75rem;
  }

  .page-disclaimer .dc-term__head {
    padding: 1.15rem 1.5rem;
  }

  .page-disclaimer .dc-term__body {
    padding: 1.4rem 1.5rem 1.75rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-disclaimer .dc-index__link,
  .page-disclaimer .dc-cta__card,
  .page-disclaimer .dc-term__head {
    transition: none;
  }

  .page-disclaimer .dc-cta__card:hover,
  .page-disclaimer .dc-cta__card:focus-visible {
    transform: none;
  }
}