.page-disclaimer {
  --dc-panel: rgba(27, 36, 80, 0.44);
  --dc-panel-deep: rgba(6, 16, 31, 0.6);
  --dc-rule: rgba(143, 163, 191, 0.22);
  --dc-rule-soft: rgba(143, 163, 191, 0.12);
  --dc-violet-lite: #B88CFF;
  padding-bottom: 44px;
}

/* ---------- 页头 ---------- */
.page-disclaimer .dc-hero {
  position: relative;
  padding: 28px 0 10px 18px;
}

.page-disclaimer .dc-hero::before {
  content: "";
  position: absolute;
  left: 0;
  top: 32px;
  bottom: 18px;
  width: 4px;
  border-radius: 2px;
  background: linear-gradient(180deg, var(--cyan), var(--violet));
}

.page-disclaimer .dc-hero h1 {
  font-family: var(--font-display);
  font-size: clamp(27px, 7.4vw, 52px);
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: 0.01em;
  color: var(--ink);
  margin: 10px 0 16px;
  max-width: 19ch;
}

.page-disclaimer .dc-hero .lede {
  margin: 0;
  max-width: 62ch;
  font-size: 15.5px;
  line-height: 1.8;
  color: var(--ink-soft);
}

/* ---------- 横幅 ---------- */
.page-disclaimer .dc-banner {
  margin: 28px 0 34px;
  border-radius: var(--radius-lg);
  border: 1px solid var(--dc-rule);
  background: var(--dc-panel-deep);
  overflow: hidden;
}

.page-disclaimer .dc-banner img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 1600 / 700;
  object-fit: cover;
}

/* ---------- 布局与索引 ---------- */
.page-disclaimer .dc-layout {
  display: block;
}

.page-disclaimer .dc-toc {
  margin: 0 0 34px;
  padding: 18px 16px 14px;
  border: 1px solid var(--dc-rule);
  border-radius: var(--radius);
  background: linear-gradient(150deg, rgba(27, 36, 80, 0.62), rgba(6, 16, 31, 0.52));
}

.page-disclaimer .dc-toc__label {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.16em;
  color: var(--muted);
}

.page-disclaimer .dc-toc__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 2px;
}

.page-disclaimer .dc-toc__list a {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 9px 10px;
  border-radius: var(--radius-sm);
  color: var(--ink-soft);
  font-size: 14px;
  line-height: 1.5;
  text-decoration: none;
  transition: background var(--dur) var(--ease), color var(--dur) var(--ease);
}

.page-disclaimer .dc-toc__list a:hover,
.page-disclaimer .dc-toc__list a:focus-visible {
  background: rgba(0, 229, 255, 0.1);
  color: var(--ink);
}

.page-disclaimer .dc-toc__num {
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--cyan);
}

/* ---------- 区块骨架 ---------- */
.page-disclaimer .dc-body > .dc-block {
  padding: 30px 0 34px;
  border-top: 1px solid var(--dc-rule-soft);
}

.page-disclaimer .dc-body > .dc-block:first-child {
  padding-top: 0;
  border-top: 0;
}

.page-disclaimer .dc-block__title {
  display: flex;
  align-items: center;
  gap: 12px;
  margin: 0 0 14px;
  font-family: var(--font-display);
  font-size: clamp(19px, 4.4vw, 26px);
  font-weight: 700;
  line-height: 1.32;
  color: var(--ink);
}

.page-disclaimer .dc-block__num {
  flex: 0 0 auto;
  padding: 2px 7px;
  border: 1px solid rgba(0, 229, 255, 0.38);
  border-radius: 6px;
  background: rgba(0, 229, 255, 0.07);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--cyan);
}

.page-disclaimer .dc-block p {
  margin: 0 0 12px;
  max-width: 62ch;
  font-size: 15.5px;
  line-height: 1.8;
  color: var(--ink-soft);
}

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

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

.page-disclaimer .dc-subtitle {
  margin: 28px 0 8px;
  font-family: var(--font-display);
  font-size: 16px;
  font-weight: 700;
  color: var(--ink);
  letter-spacing: 0.01em;
}

/* ---------- 术语表 ---------- */
.page-disclaimer .dc-terms {
  list-style: none;
  margin: 22px 0 4px;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  border-top: 1px solid var(--dc-rule-soft);
}

.page-disclaimer .dc-term {
  position: relative;
  padding: 13px 0 14px 16px;
  border-bottom: 1px solid var(--dc-rule-soft);
  transition: background var(--dur) var(--ease);
}

.page-disclaimer .dc-term::before {
  content: "";
  position: absolute;
  left: 0;
  top: 15px;
  bottom: 15px;
  width: 2px;
  border-radius: 2px;
  background: linear-gradient(180deg, var(--cyan), var(--violet));
  opacity: 0;
  transition: opacity var(--dur) var(--ease);
}

.page-disclaimer .dc-term:hover,
.page-disclaimer .dc-term:focus-within {
  background: rgba(0, 229, 255, 0.05);
}

.page-disclaimer .dc-term:hover::before,
.page-disclaimer .dc-term:focus-within::before {
  opacity: 1;
}

.page-disclaimer .dc-term__name {
  margin: 0 0 5px;
  font-family: var(--font-display);
  font-size: 15.5px;
  font-weight: 700;
  letter-spacing: 0.01em;
  color: var(--ink);
}

.page-disclaimer .dc-term__def {
  margin: 0;
  font-size: 14px;
  line-height: 1.74;
  color: var(--muted);
  transition: color var(--dur) var(--ease);
}

.page-disclaimer .dc-term:hover .dc-term__def,
.page-disclaimer .dc-term:focus-within .dc-term__def {
  color: var(--ink-soft);
}

/* ---------- 两种算法对照 ---------- */
.page-disclaimer .dc-compare {
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
  margin: 18px 0 20px;
}

.page-disclaimer .dc-compare__col {
  padding: 16px 18px 18px;
  border: 1px solid var(--dc-rule);
  border-radius: var(--radius);
  background: var(--dc-panel-deep);
}

.page-disclaimer .dc-compare__col--cyan {
  box-shadow: inset 0 3px 0 0 var(--cyan);
}

.page-disclaimer .dc-compare__col--violet {
  box-shadow: inset 0 3px 0 0 var(--violet);
}

.page-disclaimer .dc-compare__tag {
  margin: 0 0 8px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
}

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

.page-disclaimer .dc-compare__col--violet .dc-compare__tag {
  color: var(--dc-violet-lite);
}

.page-disclaimer .dc-compare__col p {
  margin: 0;
  max-width: none;
  font-size: 14.5px;
  line-height: 1.76;
  color: var(--ink-soft);
}

/* ---------- 刷新节奏 ---------- */
.page-disclaimer .dc-metrics {
  list-style: none;
  margin: 20px 0 20px;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
}

.page-disclaimer .dc-metric {
  display: grid;
  grid-template-columns: auto 1fr;
  align-items: baseline;
  column-gap: 6px;
  row-gap: 8px;
  padding: 16px 18px 18px;
  border: 1px solid var(--dc-rule);
  border-radius: var(--radius);
  background: linear-gradient(150deg, rgba(27, 36, 80, 0.6), rgba(6, 16, 31, 0.5));
}

.page-disclaimer .dc-metric__value {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: 34px;
  font-weight: 700;
  line-height: 1;
  color: var(--cyan);
  text-shadow: 0 0 20px rgba(0, 229, 255, 0.42);
}

.page-disclaimer .dc-metric__unit {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--cyan);
}

.page-disclaimer .dc-metric__label {
  grid-column: 1 / -1;
  font-size: 14px;
  line-height: 1.68;
  color: var(--muted);
}

/* ---------- 归档规格 ---------- */
.page-disclaimer .dc-spec {
  margin: 20px 0 18px;
  border-top: 1px solid var(--dc-rule-soft);
}

.page-disclaimer .dc-spec__row {
  display: grid;
  grid-template-columns: 1fr;
  gap: 4px;
  padding: 13px 0;
  border-bottom: 1px solid var(--dc-rule-soft);
}

.page-disclaimer .dc-spec__row dt {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: 13.5px;
  letter-spacing: 0.04em;
  color: var(--cyan);
}

.page-disclaimer .dc-spec__row dd {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.74;
  color: var(--ink-soft);
}

/* ---------- 集锦使用场景 ---------- */
.page-disclaimer .dc-uses {
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
  margin: 18px 0 20px;
}

.page-disclaimer .dc-use {
  padding: 18px 18px 20px;
  border: 1px solid var(--dc-rule);
  border-radius: var(--radius);
  background: var(--dc-panel-deep);
}

.page-disclaimer .dc-use--ok {
  border-left: 3px solid var(--emerald);
}

.page-disclaimer .dc-use--ask {
  border-left: 3px solid var(--orange);
}

.page-disclaimer .dc-use__tag {
  margin: 0 0 8px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.08em;
}

.page-disclaimer .dc-use--ok .dc-use__tag {
  color: var(--emerald);
}

.page-disclaimer .dc-use--ask .dc-use__tag {
  color: var(--orange);
}

.page-disclaimer .dc-use h3 {
  margin: 0 0 8px;
  font-family: var(--font-display);
  font-size: 16px;
  font-weight: 700;
  color: var(--ink);
}

.page-disclaimer .dc-use p {
  margin: 0;
  max-width: none;
  font-size: 14.5px;
  line-height: 1.74;
  color: var(--muted);
}

/* ---------- 引用建议 ---------- */
.page-disclaimer .dc-cite {
  margin: 18px 0 20px;
  padding: 18px 20px;
  border: 1px solid rgba(138, 43, 226, 0.32);
  border-radius: var(--radius);
  background: linear-gradient(120deg, rgba(138, 43, 226, 0.2), rgba(0, 229, 255, 0.08));
}

.page-disclaimer .dc-cite__label {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.1em;
  color: var(--dc-violet-lite);
}

.page-disclaimer .dc-cite__sample {
  margin: 0 0 8px;
  max-width: none;
  font-family: var(--font-mono);
  font-size: 14px;
  line-height: 1.7;
  color: var(--ink);
  word-break: break-word;
}

.page-disclaimer .dc-cite__hint {
  margin: 0;
  max-width: none;
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--ink-soft);
}

/* ---------- 访问兼容 ---------- */
.page-disclaimer .dc-access {
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
  margin: 18px 0 22px;
}

.page-disclaimer .dc-access__item {
  padding: 16px 18px 18px;
  border: 1px solid var(--dc-rule);
  border-radius: var(--radius);
  background: rgba(27, 36, 80, 0.32);
}

.page-disclaimer .dc-access__item h3 {
  margin: 0 0 8px;
  font-family: var(--font-display);
  font-size: 15px;
  font-weight: 700;
  letter-spacing: 0.02em;
  color: var(--cyan);
}

.page-disclaimer .dc-access__item p {
  margin: 0;
  max-width: none;
  font-size: 14.5px;
  line-height: 1.74;
  color: var(--ink-soft);
}

.page-disclaimer .dc-acc {
  margin-top: 8px;
}

/* ---------- 延伸入口 ---------- */
.page-disclaimer .dc-more {
  margin-top: 46px;
  padding-top: 32px;
  border-top: 1px solid var(--dc-rule);
}

.page-disclaimer .dc-more__title {
  margin: 0 0 18px;
  font-family: var(--font-display);
  font-size: clamp(18px, 4.2vw, 23px);
  font-weight: 700;
  color: var(--ink);
}

.page-disclaimer .dc-more__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 10px;
}

.page-disclaimer .dc-link-card {
  display: block;
  padding: 16px 18px;
  border: 1px solid var(--dc-rule);
  border-radius: var(--radius);
  background: rgba(11, 26, 47, 0.5);
  text-decoration: none;
  transition: border-color var(--dur) var(--ease), transform var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
}

.page-disclaimer .dc-link-card:hover,
.page-disclaimer .dc-link-card:focus-visible {
  border-color: rgba(0, 229, 255, 0.6);
  transform: translateY(-2px);
  box-shadow: var(--glow-card);
}

.page-disclaimer .dc-link-card__kicker {
  display: block;
  margin-bottom: 6px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.1em;
  color: var(--cyan);
}

.page-disclaimer .dc-link-card__title {
  display: block;
  font-size: 15px;
  font-weight: 500;
  line-height: 1.6;
  color: var(--ink);
}

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .page-disclaimer .dc-compare {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-disclaimer .dc-metrics {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-disclaimer .dc-access {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-disclaimer .dc-more__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-disclaimer .dc-spec__row {
    grid-template-columns: 132px minmax(0, 1fr);
    gap: 24px;
    align-items: baseline;
  }
}

@media (min-width: 720px) {
  .page-disclaimer .dc-terms {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    column-gap: 46px;
  }

  .page-disclaimer .dc-uses {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-disclaimer .dc-use--ask {
    grid-column: 1 / -1;
  }
}

@media (min-width: 960px) {
  .page-disclaimer .dc-hero {
    padding-left: 24px;
  }

  .page-disclaimer .dc-layout {
    display: grid;
    grid-template-columns: 216px minmax(0, 1fr);
    gap: 54px;
    align-items: start;
  }

  .page-disclaimer .dc-toc {
    position: sticky;
    top: calc(var(--topbar-h) + 22px);
    margin-bottom: 0;
  }

  .page-disclaimer .dc-uses {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-disclaimer .dc-use--ask {
    grid-column: auto;
  }

  .page-disclaimer .dc-access {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-disclaimer .dc-more__grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-disclaimer *,
  .page-disclaimer *::before,
  .page-disclaimer *::after {
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
  }

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