.page-disclaimer {
  --dc-narrow: 660px;
  position: relative;
  isolation: isolate;
  background-color: var(--bg-deep);
  color: var(--mist);
  overflow-x: hidden;
}

.page-disclaimer::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background-image:
    linear-gradient(to right, rgba(42, 59, 54, 0.55) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(42, 59, 54, 0.55) 1px, transparent 1px);
  background-size: 88px 88px;
  -webkit-mask-image: radial-gradient(ellipse 66% 60% at 50% 32%, transparent 0%, #000 100%);
  mask-image: radial-gradient(ellipse 66% 60% at 50% 32%, transparent 0%, #000 100%);
  opacity: 0.85;
}

.page-disclaimer::after {
  content: "";
  position: absolute;
  top: -12%;
  right: -14%;
  width: 62vw;
  height: 62vw;
  max-width: 760px;
  max-height: 760px;
  z-index: 0;
  pointer-events: none;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(79, 209, 197, 0.11) 0%, rgba(79, 209, 197, 0) 70%);
}

.page-disclaimer > * {
  position: relative;
  z-index: 1;
}

/* ---------- 首屏 ---------- */

.page-disclaimer .dc-hero {
  padding: calc(var(--header-h) + 48px) 0 36px;
}

.page-disclaimer .dc-hero .breadcrumb {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 34px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--stone);
}

.page-disclaimer .dc-hero .breadcrumb a {
  color: var(--stone);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color 0.2s var(--ease), border-color 0.2s var(--ease);
}

.page-disclaimer .dc-hero .breadcrumb a:hover,
.page-disclaimer .dc-hero .breadcrumb a:focus-visible {
  color: var(--aqua);
  border-bottom-color: var(--aqua);
  outline: none;
}

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

.page-disclaimer .dc-hero__tag {
  margin: 0 0 22px;
  color: var(--lime);
  letter-spacing: 0.16em;
}

.page-disclaimer .dc-hero__title {
  margin: 0 0 26px;
  max-width: 15em;
  font-size: clamp(2rem, 5.4vw, 3.4rem);
  font-weight: 900;
  line-height: 1.14;
  letter-spacing: -0.02em;
  color: var(--mist);
}

.page-disclaimer .dc-hero__lede {
  max-width: 620px;
  margin: 0 0 30px;
  color: var(--mist);
  opacity: 0.86;
}

.page-disclaimer .dc-hero__meta {
  margin: 0;
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--stone);
}

/* ---------- 胶囊目录 ---------- */

.page-disclaimer .dc-toc {
  position: sticky;
  top: var(--header-h);
  z-index: 6;
  padding: 14px 0 22px;
  background: linear-gradient(
    to bottom,
    var(--bg-deep) 0%,
    var(--bg-deep) 62%,
    rgba(11, 26, 22, 0) 100%
  );
}

.page-disclaimer .dc-toc__list {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-disclaimer .dc-toc__link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 15px;
  border: 1px solid var(--rule);
  border-radius: var(--radius-pill);
  background: rgba(22, 36, 31, 0.62);
  color: var(--stone);
  font-size: 12px;
  letter-spacing: 0.03em;
  text-decoration: none;
  white-space: nowrap;
  transition: color 0.2s var(--ease), border-color 0.2s var(--ease),
    background-color 0.2s var(--ease), transform 0.2s var(--ease);
}

.page-disclaimer .dc-toc__link span {
  color: var(--lime);
  opacity: 0.85;
}

.page-disclaimer .dc-toc__link:hover,
.page-disclaimer .dc-toc__link:focus-visible {
  color: var(--mist);
  border-color: rgba(199, 249, 74, 0.55);
  background: rgba(199, 249, 74, 0.08);
  transform: translateY(-2px);
  outline: none;
}

/* ---------- 章节骨架 ---------- */

.page-disclaimer .dc-sec {
  padding: var(--space-8) 0;
  scroll-margin-top: calc(var(--header-h) + 36px);
}

.page-disclaimer .dc-narrow {
  max-width: var(--dc-narrow);
  margin: 0 auto;
}

.page-disclaimer .dc-sec__head {
  display: flex;
  align-items: baseline;
  gap: 18px;
  margin-bottom: 4px;
  padding-bottom: 18px;
  border-bottom: 1px solid var(--rule);
}

.page-disclaimer .dc-num {
  flex: none;
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--lime);
  white-space: nowrap;
}

.page-disclaimer .dc-sec__title {
  margin: 0;
  font-size: clamp(1.25rem, 2.6vw, 1.75rem);
  font-weight: 800;
  line-height: 1.35;
  letter-spacing: -0.01em;
  color: var(--mist);
  transition: color 0.24s var(--ease);
}

.page-disclaimer .dc-sec__title.is-active {
  color: var(--lime);
}

/* ---------- 条目列表 ---------- */

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

.page-disclaimer .dc-item {
  display: grid;
  grid-template-columns: 58px 1fr;
  gap: 20px;
  align-items: start;
  padding: 18px 0;
  border-bottom: 1px solid var(--rule);
}

.page-disclaimer .dc-item__num {
  padding-top: 4px;
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--lime);
  opacity: 0.85;
}

.page-disclaimer .dc-item__text {
  margin: 0;
  font-size: var(--fs-body);
  line-height: var(--lh-body);
  color: var(--mist);
}

.page-disclaimer .dc-item__text a {
  color: var(--aqua);
  text-decoration: none;
  border-bottom: 1px solid rgba(79, 209, 197, 0.4);
  transition: color 0.2s var(--ease), border-color 0.2s var(--ease);
}

.page-disclaimer .dc-item__text a:hover,
.page-disclaimer .dc-item__text a:focus-visible {
  color: var(--lime);
  border-bottom-color: var(--lime);
  outline: none;
}

/* ---------- 分隔带图片 ---------- */

.page-disclaimer .dc-band {
  width: calc(100% - var(--gutter) * 2);
  max-width: 920px;
  margin: var(--space-8) auto;
  padding: 0;
}

.page-disclaimer .dc-band img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  border: 1px solid var(--rule);
  border-radius: var(--radius-lg);
}

.page-disclaimer .dc-band__cap {
  margin-top: 14px;
  font-size: 12px;
  line-height: 1.7;
  letter-spacing: 0.02em;
  text-align: center;
  color: var(--stone);
}

/* ---------- 底部返回 ---------- */

.page-disclaimer .dc-backtop {
  padding: var(--space-8) 0 var(--space-12);
}

.page-disclaimer .dc-backtop .dc-narrow {
  display: flex;
  justify-content: center;
}

.page-disclaimer .dc-top {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 12px 26px;
  border: 1px solid var(--lime);
  border-radius: var(--radius-pill);
  background: transparent;
  color: var(--lime);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-decoration: none;
  transition: background-color 0.2s var(--ease), color 0.2s var(--ease),
    transform 0.2s var(--ease);
}

.page-disclaimer .dc-top svg {
  width: 14px;
  height: 14px;
  flex: none;
}

.page-disclaimer .dc-top:hover,
.page-disclaimer .dc-top:focus-visible {
  background: var(--lime);
  color: var(--ink);
  transform: translateY(-2px);
  outline: none;
}

/* ---------- 响应式 ---------- */

@media (max-width: 980px) {
  .page-disclaimer {
    --dc-narrow: 100%;
  }

  .page-disclaimer .dc-toc {
    position: static;
    background: none;
    padding: 10px 0 4px;
  }

  .page-disclaimer .dc-toc__list {
    flex-wrap: nowrap;
    overflow-x: auto;
    padding-bottom: 8px;
    -ms-overflow-style: none;
    scrollbar-width: none;
  }

  .page-disclaimer .dc-toc__list::-webkit-scrollbar {
    display: none;
  }
}

@media (max-width: 720px) {
  .page-disclaimer .dc-hero {
    padding: calc(var(--header-h) + 30px) 0 24px;
  }

  .page-disclaimer .dc-hero__title {
    margin-bottom: 20px;
  }

  .page-disclaimer .dc-sec {
    padding: var(--space-6) 0;
  }

  .page-disclaimer .dc-sec__head {
    flex-direction: column;
    gap: 8px;
    padding-bottom: 14px;
  }

  .page-disclaimer .dc-item {
    grid-template-columns: 1fr;
    gap: 6px;
    padding: 16px 0;
  }

  .page-disclaimer .dc-item__num {
    padding-top: 0;
  }

  .page-disclaimer .dc-band {
    margin: var(--space-6) auto;
  }

  .page-disclaimer .dc-backtop {
    padding: var(--space-6) 0 var(--space-8);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-disclaimer .dc-toc__link,
  .page-disclaimer .dc-top {
    transition-property: color, background-color, border-color;
    transform: none;
  }

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