.page-disclaimer {
  --dc-rule: 1px solid var(--yf-line);
  --dc-pad: 20px;
  --dc-top-offset: 84px;
  background: var(--yf-night);
  color: var(--yf-snow);
}

/* ---------- 首屏 ---------- */
.page-disclaimer .dc-hero {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  padding: 22px 0 42px;
  border-bottom: var(--dc-rule);
}

.page-disclaimer .dc-hero__bg {
  position: absolute;
  inset: 0;
  z-index: -2;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  opacity: 0.26;
}

.page-disclaimer .dc-hero__veil {
  position: absolute;
  inset: 0;
  z-index: -1;
  background:
    linear-gradient(112deg, rgba(11, 18, 32, 0.97) 0%, rgba(11, 18, 32, 0.82) 54%, rgba(11, 18, 32, 0.38) 100%),
    radial-gradient(120% 92% at 90% 4%, rgba(111, 227, 196, 0.2), transparent 62%);
}

.page-disclaimer .dc-crumbs {
  margin-bottom: 22px;
  font-size: var(--yf-t14);
}

.page-disclaimer .dc-crumbs a {
  color: var(--yf-mist);
  text-decoration: none;
}

.page-disclaimer .dc-crumbs a:hover {
  color: var(--yf-mint);
}

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

.page-disclaimer .dc-hero__eyebrow {
  margin: 0 0 10px;
  color: var(--yf-mint);
}

.page-disclaimer .dc-hero__title {
  margin: 0;
  font-family: var(--yf-sans);
  font-size: clamp(2.25rem, 9vw, 4rem);
  font-weight: 800;
  line-height: 1.03;
  letter-spacing: -0.02em;
  color: var(--yf-snow);
}

.page-disclaimer .dc-hero__lede {
  margin: 18px 0 0;
  max-width: 33em;
  font-size: var(--yf-t18);
  line-height: 1.85;
  color: var(--yf-snow);
}

.page-disclaimer .dc-hero__meta {
  margin: 18px 0 0;
  padding-top: 14px;
  border-top: var(--dc-rule);
  max-width: 40em;
  font-family: var(--yf-mono);
  font-size: var(--yf-t14);
  line-height: 1.7;
  color: var(--yf-mist);
}

/* ---------- 主体双栏 ---------- */
.page-disclaimer .dc-body {
  padding: 32px var(--dc-pad) 64px;
}

.page-disclaimer .dc-toc {
  padding-bottom: 18px;
  border-bottom: var(--dc-rule);
  margin-bottom: 26px;
}

.page-disclaimer .dc-toc__title {
  margin: 0 0 12px;
  font-family: var(--yf-mono);
  font-size: var(--yf-t14);
  letter-spacing: 0.14em;
  color: var(--yf-mist);
}

.page-disclaimer .dc-toc__list {
  display: flex;
  gap: 8px;
  margin: 0;
  padding: 0 0 4px;
  list-style: none;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.page-disclaimer .dc-toc__list li {
  flex: none;
}

.page-disclaimer .dc-toc__list a {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 9px 14px;
  border: 1px solid var(--yf-line);
  border-radius: 999px;
  background: var(--yf-panel);
  color: var(--yf-snow);
  font-size: var(--yf-t14);
  text-decoration: none;
  white-space: nowrap;
  transition: border-color var(--yf-dur) var(--yf-ease), transform var(--yf-dur) var(--yf-ease);
}

.page-disclaimer .dc-toc__list a:hover,
.page-disclaimer .dc-toc__list a:focus-visible {
  border-color: var(--yf-mint);
  transform: translateY(-2px);
}

.page-disclaimer .dc-toc__no {
  font-family: var(--yf-mono);
  font-size: var(--yf-t14);
  color: var(--yf-mint);
}

/* ---------- 条款章节 ---------- */
.page-disclaimer .dc-chapter {
  padding-top: 30px;
  margin-top: 30px;
  border-top: var(--dc-rule);
  scroll-margin-top: var(--dc-top-offset);
}

.page-disclaimer .dc-chapters > .dc-chapter:first-child {
  padding-top: 0;
  margin-top: 0;
  border-top: 0;
}

.page-disclaimer .dc-chapter__head {
  display: flex;
  align-items: baseline;
  gap: 12px;
  margin-bottom: 12px;
}

.page-disclaimer .dc-num {
  flex: none;
  padding-top: 4px;
  font-family: var(--yf-mono);
  font-size: var(--yf-t14);
  letter-spacing: 0.14em;
  color: var(--yf-mist);
  transition: color var(--yf-dur) var(--yf-ease);
}

.page-disclaimer .dc-chapter[data-active] .dc-num {
  color: var(--yf-mint);
}

.page-disclaimer .dc-chapter__title {
  margin: 0;
  font-size: var(--yf-t22);
  font-weight: 800;
  line-height: 1.4;
  letter-spacing: -0.01em;
  color: var(--yf-snow);
}

.page-disclaimer .dc-chapter__lead {
  margin: 0 0 20px;
  max-width: 38em;
  font-size: var(--yf-t18);
  line-height: 1.85;
  color: var(--yf-mist);
}

.page-disclaimer .dc-list {
  display: grid;
  gap: 14px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-disclaimer .dc-item {
  display: grid;
  grid-template-columns: 38px minmax(0, 1fr);
  gap: 0 6px;
  align-items: start;
}

.page-disclaimer .dc-item__no {
  padding-top: 1px;
  font-family: var(--yf-mono);
  font-size: var(--yf-t14);
  line-height: 2.3;
  letter-spacing: 0.02em;
  color: var(--yf-mist);
}

.page-disclaimer .dc-item p {
  margin: 0;
  max-width: 34em;
  font-size: var(--yf-t18);
  line-height: 1.85;
  color: var(--yf-snow);
}

.page-disclaimer .dc-item strong {
  color: var(--yf-mint);
  font-weight: 700;
}

.page-disclaimer .dc-item--key {
  border-left: 3px solid var(--yf-mint);
  margin-left: -12px;
  padding-left: 12px;
}

.page-disclaimer .dc-item--key p {
  color: var(--yf-snow);
}

.page-disclaimer .dc-link {
  color: var(--yf-mint);
  text-decoration: underline;
  text-underline-offset: 3px;
  text-decoration-thickness: 1px;
}

.page-disclaimer .dc-link:hover {
  color: var(--yf-lime);
}

/* ---------- 收束色带 ---------- */
.page-disclaimer .dc-close {
  background: var(--yf-panel);
  padding: 78px 0 66px;
  clip-path: polygon(0 clamp(18px, 4vw, 48px), 100% 0, 100% 100%, 0 100%);
}

.page-disclaimer .dc-close__inner {
  max-width: 760px;
}

.page-disclaimer .dc-close__eyebrow {
  margin: 0 0 10px;
  color: var(--yf-mint);
}

.page-disclaimer .dc-close__title {
  margin: 0 0 16px;
  font-size: var(--yf-t28);
  font-weight: 800;
  line-height: 1.34;
  letter-spacing: -0.01em;
  color: var(--yf-snow);
}

.page-disclaimer .dc-close__text {
  margin: 0 0 26px;
  max-width: 34em;
  font-size: var(--yf-t18);
  line-height: 1.85;
  color: var(--yf-mist);
}

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

/* ---------- 回到开头 ---------- */
.page-disclaimer .dc-top {
  position: fixed;
  right: 16px;
  bottom: 16px;
  z-index: 20;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border: 1px solid var(--yf-line);
  border-radius: 50%;
  background: var(--yf-panel);
  color: var(--yf-mint);
  font-family: var(--yf-mono);
  font-size: var(--yf-t18);
  line-height: 1;
  text-decoration: none;
  transition: transform var(--yf-dur) var(--yf-ease), border-color var(--yf-dur) var(--yf-ease);
}

.page-disclaimer .dc-top:hover,
.page-disclaimer .dc-top:focus-visible {
  transform: translateY(-2px);
  border-color: var(--yf-mint);
}

/* ---------- 平板起的分栏 ---------- */
@media (min-width: 760px) {
  .page-disclaimer .dc-body {
    padding: 44px 24px 80px;
  }

  .page-disclaimer .dc-hero {
    padding: 30px 0 56px;
  }

  .page-disclaimer .dc-item {
    grid-template-columns: 46px minmax(0, 1fr);
    gap: 0 10px;
  }

  .page-disclaimer .dc-chapter__title {
    font-size: var(--yf-t28);
  }

  .page-disclaimer .dc-close {
    padding: 92px 0 80px;
  }
}

@media (min-width: 1000px) {
  .page-disclaimer .dc-body {
    display: grid;
    grid-template-columns: 210px minmax(0, 1fr);
    gap: 56px;
    max-width: 1060px;
    padding: 60px 24px 96px;
  }

  .page-disclaimer .dc-toc {
    position: sticky;
    top: 92px;
    align-self: start;
    padding-bottom: 0;
    border-bottom: 0;
    margin-bottom: 0;
  }

  .page-disclaimer .dc-toc__list {
    flex-direction: column;
    gap: 2px;
    overflow: visible;
    padding-bottom: 0;
  }

  .page-disclaimer .dc-toc__list a {
    width: 100%;
    padding: 8px 10px;
    border: 0;
    border-radius: var(--yf-radius-s);
    background: transparent;
    color: var(--yf-mist);
    white-space: normal;
  }

  .page-disclaimer .dc-toc__list a:hover,
  .page-disclaimer .dc-toc__list a:focus-visible {
    background: var(--yf-panel);
    color: var(--yf-snow);
    transform: none;
  }

  .page-disclaimer .dc-chapter {
    padding-top: 38px;
    margin-top: 38px;
  }

  .page-disclaimer .dc-close__title {
    font-size: var(--yf-t36);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-disclaimer .dc-toc__list a,
  .page-disclaimer .dc-top,
  .page-disclaimer .dc-num {
    transition: none;
  }

  .page-disclaimer .dc-toc__list a:hover,
  .page-disclaimer .dc-top:hover {
    transform: none;
  }
}