.page-disclaimer {
  --dc-rule: rgba(143, 166, 178, 0.22);
  --dc-rule-soft: rgba(143, 166, 178, 0.12);
  --dc-grid: rgba(143, 166, 178, 0.07);
  padding-bottom: clamp(3rem, 7vw, 5.5rem);
}

/* ---------- 首屏 ---------- */
.page-disclaimer .dc-hero {
  position: relative;
  overflow: hidden;
  padding-top: clamp(1.25rem, 3.5vw, 2rem);
}

.page-disclaimer .dc-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(var(--dc-grid) 1px, transparent 1px),
    linear-gradient(90deg, var(--dc-grid) 1px, transparent 1px);
  background-size: 64px 64px;
  -webkit-mask-image: linear-gradient(to bottom, rgba(0, 0, 0, 0.9), transparent 82%);
  mask-image: linear-gradient(to bottom, rgba(0, 0, 0, 0.9), transparent 82%);
  pointer-events: none;
}

.page-disclaimer .dc-hero__inner {
  position: relative;
  z-index: 1;
  display: grid;
  gap: clamp(1.5rem, 4vw, 2.5rem);
  grid-template-columns: minmax(0, 1fr);
  align-items: end;
  padding-bottom: clamp(2rem, 5vw, 3rem);
}

.page-disclaimer .dc-hero__title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1.8rem, 6.2vw, 3.25rem);
  line-height: 1.2;
  letter-spacing: -0.01em;
  color: var(--mist);
  margin: 0.65rem 0 0;
}

.page-disclaimer .dc-hero__lead {
  margin: 1.1rem 0 0;
  max-width: 36em;
  font-size: clamp(0.98rem, 2.5vw, 1.0625rem);
  line-height: 1.85;
  color: var(--body-text);
}

.page-disclaimer .dc-hero__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  margin-top: 1.5rem;
}

.page-disclaimer .dc-ver {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.09em;
  text-transform: uppercase;
  padding: 0.4rem 0.7rem;
  border: 1px solid var(--line-cyan);
  background: rgba(79, 240, 208, 0.06);
  color: var(--cyan);
}

.page-disclaimer .dc-ver--gold {
  border-color: var(--line-gold);
  background: rgba(242, 183, 91, 0.07);
  color: var(--gold);
}

.page-disclaimer .dc-hero__media {
  position: relative;
  margin: 0;
  border: 1px solid var(--line-strong);
  background: var(--ink-800);
  overflow: hidden;
}

.page-disclaimer .dc-hero__media img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  aspect-ratio: 16 / 10;
  object-fit: cover;
  filter: saturate(0.85) contrast(1.05);
}

.page-disclaimer .dc-hero__media::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(118deg, rgba(7, 17, 31, 0.78) 0%, rgba(7, 17, 31, 0.18) 48%, rgba(79, 240, 208, 0.18) 100%);
  pointer-events: none;
}

.page-disclaimer .dc-hero__media figcaption {
  position: absolute;
  left: 0;
  bottom: 0;
  z-index: 2;
  padding: 0.5rem 0.8rem;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--slate);
  background: rgba(7, 17, 31, 0.82);
  border-top: 1px solid var(--dc-rule);
  border-right: 1px solid var(--dc-rule);
}

/* ---------- 主体布局 ---------- */
.page-disclaimer .dc-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(2rem, 5vw, 3.25rem);
  align-items: start;
  padding-top: clamp(1.5rem, 4vw, 2.5rem);
}

.page-disclaimer .dc-main {
  min-width: 0;
}

/* ---------- 条款列表 ---------- */
.page-disclaimer .dc-clauses {
  list-style: none;
  margin: 0;
  padding: 0;
  border-bottom: 1px solid var(--dc-rule);
}

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

.page-disclaimer .dc-clause__head {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  gap: 0.85rem;
  align-items: baseline;
  padding: 1.15rem 0;
  cursor: pointer;
  list-style: none;
}

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

.page-disclaimer .dc-clause__head::marker {
  content: "";
}

.page-disclaimer .dc-clause__head:hover .dc-clause__title,
.page-disclaimer .dc-clause__head:focus-visible .dc-clause__title {
  color: var(--cyan);
}

.page-disclaimer .dc-clause__num {
  font-family: var(--font-mono);
  font-size: 0.82rem;
  letter-spacing: 0.06em;
  color: var(--gold);
  padding-top: 0.25rem;
}

.page-disclaimer .dc-clause__title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1.05rem, 3.2vw, 1.32rem);
  line-height: 1.45;
  color: var(--mist);
  transition: color 0.2s var(--ease);
}

.page-disclaimer .dc-clause__toggle {
  position: relative;
  width: 1.1rem;
  height: 1.1rem;
  align-self: center;
  flex: none;
}

.page-disclaimer .dc-clause__toggle::after {
  content: "";
  position: absolute;
  right: 0.1rem;
  top: 50%;
  width: 0.52rem;
  height: 0.52rem;
  border-right: 1px solid var(--cyan);
  border-bottom: 1px solid var(--cyan);
  transform: translateY(-70%) rotate(45deg);
  transition: transform 0.25s var(--ease);
}

.page-disclaimer .dc-clause[open] .dc-clause__toggle::after {
  transform: translateY(-25%) rotate(-135deg);
}

.page-disclaimer .dc-clause__body {
  padding: 0.15rem 0 1.75rem calc(0.82rem + 1.4rem + 0.85rem);
  border-left: 1px solid transparent;
}

.page-disclaimer .dc-clause__body p {
  margin: 0 0 0.9rem;
  font-size: 0.99rem;
  line-height: 1.85;
  color: var(--body-text);
}

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

.page-disclaimer .dc-clause__body a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid var(--line-cyan);
  padding-bottom: 1px;
}

.page-disclaimer .dc-clause__body a:hover,
.page-disclaimer .dc-clause__body a:focus-visible {
  color: var(--gold);
  border-bottom-color: var(--line-gold);
}

.page-disclaimer .dc-clause__body ul {
  list-style: none;
  margin: 0 0 1rem;
  padding: 0;
  display: grid;
  gap: 0.55rem;
}

.page-disclaimer .dc-clause__body li {
  position: relative;
  padding-left: 1.15rem;
  font-size: 0.96rem;
  line-height: 1.8;
  color: var(--body-text);
}

.page-disclaimer .dc-clause__body li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.78em;
  width: 0.45rem;
  height: 1px;
  background: var(--cyan);
}

/* ---------- 侧栏 ---------- */
.page-disclaimer .dc-aside {
  min-width: 0;
}

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

.page-disclaimer .dc-toc {
  border: 1px solid var(--dc-rule);
  border-left: 2px solid var(--cyan);
  background: linear-gradient(160deg, rgba(14, 92, 90, 0.2), rgba(11, 27, 46, 0.62));
  padding: 1.1rem 1rem 1.2rem;
}

.page-disclaimer .dc-toc__label {
  margin: 0 0 0.85rem;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--slate);
}

.page-disclaimer .dc-toc__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.1rem;
}

.page-disclaimer .dc-toc__link {
  display: grid;
  grid-template-columns: 1.9rem minmax(0, 1fr);
  gap: 0.55rem;
  align-items: baseline;
  padding: 0.5rem 0.3rem;
  font-size: 0.92rem;
  line-height: 1.5;
  color: var(--body-text);
  text-decoration: none;
  border-bottom: 1px solid var(--dc-rule-soft);
  transition: color 0.2s var(--ease), background 0.2s var(--ease);
}

.page-disclaimer .dc-toc__list li:last-child .dc-toc__link {
  border-bottom: 0;
}

.page-disclaimer .dc-toc__link:hover,
.page-disclaimer .dc-toc__link:focus-visible {
  color: var(--cyan);
  background: rgba(79, 240, 208, 0.07);
}

.page-disclaimer .dc-toc__num {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--gold);
  opacity: 0.85;
}

.page-disclaimer .dc-help {
  padding: 1.1rem 1rem 1.25rem;
}

.page-disclaimer .dc-help__text {
  margin: 0.5rem 0 0.9rem;
  font-size: 0.92rem;
  line-height: 1.75;
  color: var(--body-text);
}

.page-disclaimer .dc-help__row {
  display: grid;
  gap: 0.2rem;
  padding: 0.7rem 0;
  border-top: 1px dashed var(--dc-rule);
}

.page-disclaimer .dc-help__key {
  font-family: var(--font-mono);
  font-size: 0.66rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--slate);
}

.page-disclaimer .dc-help__val {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  align-items: center;
  font-family: var(--font-mono);
  font-size: 0.84rem;
  line-height: 1.6;
  color: var(--mist);
  word-break: break-all;
}

.page-disclaimer .dc-help__val--text {
  font-family: var(--font-body);
  font-size: 0.9rem;
  word-break: normal;
}

.page-disclaimer .dc-help .copy-btn {
  font-size: 0.7rem;
  letter-spacing: 0.06em;
}

.page-disclaimer .dc-help__note {
  margin: 0.9rem 0 0;
  font-size: 0.84rem;
  line-height: 1.7;
  color: var(--slate);
}

.page-disclaimer .dc-help__note a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid var(--line-cyan);
}

.page-disclaimer .dc-help__note a:hover,
.page-disclaimer .dc-help__note a:focus-visible {
  color: var(--gold);
  border-bottom-color: var(--line-gold);
}

/* ---------- 响应式 ---------- */
@media (max-width: 599px) {
  .page-disclaimer .dc-clause__body {
    padding-left: 0;
    border-left: 0;
  }

  .page-disclaimer .dc-clause__head {
    gap: 0.6rem;
  }
}

@media (min-width: 900px) {
  .page-disclaimer .dc-hero__inner {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
  }

  .page-disclaimer .dc-hero__media img {
    aspect-ratio: 1400 / 600;
  }
}

@media (min-width: 960px) {
  .page-disclaimer .dc-layout {
    grid-template-columns: minmax(0, 1fr) 300px;
  }

  .page-disclaimer .dc-aside__sticky {
    position: sticky;
    top: calc(var(--header-offset) + 1.25rem);
  }
}

@media (min-width: 1200px) {
  .page-disclaimer .dc-layout {
    grid-template-columns: minmax(0, 1fr) 320px;
  }

  .page-disclaimer .dc-clause__body p {
    font-size: 1.02rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-disclaimer .dc-clause__toggle::after,
  .page-disclaimer .dc-clause__title,
  .page-disclaimer .dc-toc__link {
    transition: none;
  }
}