.page-disclaimer {
  background-color: var(--night-900);
  color: var(--text);
  padding-bottom: 88px;
}

.page-disclaimer .doc-shell {
  width: 100%;
  max-width: var(--rail);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.page-disclaimer .doc-hero {
  padding-top: calc(var(--header-h) + 24px);
}

.page-disclaimer .doc-hero .breadcrumb {
  margin-bottom: 26px;
}

.page-disclaimer .doc-hero__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 28px;
  align-items: start;
}

.page-disclaimer .doc-hero__title {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(40px, 11vw, 82px);
  line-height: 0.98;
  letter-spacing: -0.03em;
  margin: 12px 0 0;
}

.page-disclaimer .doc-hero__intro {
  margin-top: 18px;
  max-width: 46ch;
  font-size: 16px;
  line-height: 1.85;
  color: var(--muted);
}

.page-disclaimer .doc-hero__sub {
  margin-top: 14px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--copper-soft);
  letter-spacing: 0.01em;
}

/* 版本摘要卡 */
.page-disclaimer .doc-meta {
  position: relative;
  border: 1px solid var(--line-600);
  background-image: linear-gradient(165deg, var(--night-700) 0%, var(--night-800) 82%);
  padding: 22px 20px 20px;
  overflow: hidden;
}

.page-disclaimer .doc-meta::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 2px;
  background-image: linear-gradient(90deg, var(--copper) 0%, var(--copper) 38%, transparent 100%);
}

.page-disclaimer .doc-meta__stamp {
  display: inline-block;
  color: var(--copper);
  opacity: 0.82;
  line-height: 0;
}

.page-disclaimer .doc-meta__label {
  margin-top: 12px;
  font-size: 12px;
  letter-spacing: 0.22em;
  color: var(--dim);
}

.page-disclaimer .doc-meta__version {
  margin-top: 6px;
  font-family: var(--font-mono);
  font-size: 19px;
  letter-spacing: 0.02em;
  color: var(--copper-soft);
}

.page-disclaimer .doc-meta__list {
  margin: 20px 0 0;
  border-top: 1px solid var(--line-600);
}

.page-disclaimer .doc-meta__row {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 14px;
  padding: 10px 0;
  border-bottom: 1px solid var(--line-600);
}

.page-disclaimer .doc-meta__row:last-child {
  border-bottom: 0;
  padding-bottom: 0;
}

.page-disclaimer .doc-meta__row dt {
  font-size: 13px;
  color: var(--dim);
  flex: 0 0 auto;
}

.page-disclaimer .doc-meta__row dd {
  margin: 0;
  font-size: 13px;
  color: var(--text);
  text-align: right;
  line-height: 1.5;
}

/* 顶部视觉带 */
.page-disclaimer .doc-banner {
  margin: 32px 0 0;
  border: 1px solid var(--line-600);
  background-color: var(--night-800);
}

.page-disclaimer .doc-banner img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

/* 条款索引条 */
.page-disclaimer .doc-index {
  position: sticky;
  top: var(--header-h);
  z-index: 6;
  margin-top: 40px;
  border-top: 1px solid var(--line-600);
  border-bottom: 1px solid var(--line-600);
  background-color: rgba(6, 12, 24, 0.94);
  backdrop-filter: blur(10px);
}

.page-disclaimer .doc-index__track {
  display: flex;
  align-items: center;
  gap: 4px;
  overflow-x: auto;
  padding-block: 9px;
  scrollbar-width: none;
}

.page-disclaimer .doc-index__track::-webkit-scrollbar {
  display: none;
}

.page-disclaimer .doc-index__link {
  display: inline-flex;
  align-items: baseline;
  gap: 8px;
  flex: 0 0 auto;
  padding: 7px 12px;
  font-size: 13px;
  line-height: 1.4;
  color: var(--muted);
  text-decoration: none;
  white-space: nowrap;
  border: 1px solid transparent;
  transition: color 0.16s var(--ease), border-color 0.16s var(--ease), background-color 0.16s var(--ease);
}

.page-disclaimer .doc-index__link:hover,
.page-disclaimer .doc-index__link:focus-visible {
  color: var(--route);
  border-color: var(--line-600);
  background-color: var(--night-700);
}

.page-disclaimer .doc-index__num {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--copper);
}

/* 条款正文 */
.page-disclaimer .doc-body {
  padding-top: 4px;
}

.page-disclaimer .clause {
  scroll-margin-top: calc(var(--header-h) + 64px);
  padding: 26px 0 26px 15px;
  border-top: 1px solid var(--line-600);
  border-left: 2px solid transparent;
  transition: border-color 0.2s var(--ease), background-color 0.2s var(--ease);
}

.page-disclaimer .clause:first-child {
  border-top: 0;
}

.page-disclaimer .clause:hover {
  border-left-color: var(--route-deep);
}

.page-disclaimer .clause--key {
  border-left-color: var(--copper);
}

.page-disclaimer .clause__inner {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 12px;
  align-items: start;
}

.page-disclaimer .clause__num {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.2em;
  color: var(--copper);
  padding-top: 4px;
}

.page-disclaimer .clause__title {
  margin: 0 0 12px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(20px, 3.4vw, 26px);
  line-height: 1.32;
  letter-spacing: -0.01em;
  color: var(--text);
}

.page-disclaimer .clause__body p {
  margin: 0 0 10px;
  max-width: 62ch;
  font-size: 15.5px;
  line-height: 1.85;
  color: var(--muted);
}

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

.page-disclaimer .clause__note {
  margin: 0;
  padding: 10px 14px;
  font-size: 13px;
  line-height: 1.7;
  color: var(--dim);
  background-color: var(--night-800);
  border-left: 1px solid rgba(215, 160, 95, 0.5);
}

/* 收束区 */
.page-disclaimer .doc-end {
  margin-top: 46px;
  padding-top: 32px;
  border-top: 1px solid var(--line-600);
}

.page-disclaimer .doc-end__text {
  margin: 0;
  max-width: 62ch;
  font-size: 15px;
  line-height: 1.85;
  color: var(--muted);
}

.page-disclaimer .doc-end__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 22px;
}

.page-disclaimer .doc-end__back {
  margin: 22px 0 0;
}

.page-disclaimer .doc-end__link {
  font-size: 13px;
  color: var(--copper-soft);
  text-decoration: none;
  border-bottom: 1px solid rgba(215, 160, 95, 0.45);
  padding-bottom: 2px;
  transition: color 0.16s var(--ease), border-color 0.16s var(--ease);
}

.page-disclaimer .doc-end__link:hover,
.page-disclaimer .doc-end__link:focus-visible {
  color: var(--route);
  border-bottom-color: var(--route);
}

/* 返回顶部 */
.page-disclaimer .doc-top {
  position: fixed;
  right: 16px;
  bottom: 96px;
  z-index: 7;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 42px;
  height: 42px;
  border: 1px solid var(--line-600);
  border-radius: 50%;
  background-color: rgba(11, 22, 38, 0.92);
  color: var(--muted);
  font-size: 16px;
  line-height: 1;
  text-decoration: none;
  transition: color 0.16s var(--ease), border-color 0.16s var(--ease);
}

.page-disclaimer .doc-top:hover,
.page-disclaimer .doc-top:focus-visible {
  color: var(--route);
  border-color: var(--route-deep);
}

@media (min-width: 640px) {
  .page-disclaimer .clause {
    padding-left: 22px;
  }

  .page-disclaimer .clause__inner {
    grid-template-columns: 56px minmax(0, 1fr);
    gap: 20px;
  }

  .page-disclaimer .clause__note {
    grid-column: 2 / -1;
  }
}

@media (min-width: 900px) {
  .page-disclaimer {
    padding-bottom: 110px;
  }

  .page-disclaimer .doc-hero {
    padding-top: calc(var(--header-h) + 40px);
  }

  .page-disclaimer .doc-hero__grid {
    grid-template-columns: minmax(0, 1.6fr) minmax(0, 1fr);
    gap: 48px;
    align-items: start;
  }

  .page-disclaimer .doc-hero__intro {
    font-size: 17px;
    margin-top: 22px;
  }

  .page-disclaimer .doc-banner {
    margin-top: 44px;
  }

  .page-disclaimer .doc-index {
    margin-top: 52px;
  }

  .page-disclaimer .clause {
    padding: 34px 0 34px 26px;
  }

  .page-disclaimer .clause__inner {
    grid-template-columns: 76px minmax(0, 1fr) 236px;
    gap: 34px;
  }

  .page-disclaimer .clause__note {
    grid-column: auto;
    align-self: start;
  }

  .page-disclaimer .doc-end {
    margin-top: 58px;
    padding-top: 38px;
  }

  .page-disclaimer .doc-top {
    right: 28px;
    bottom: 30px;
  }
}

@media (min-width: 1200px) {
  .page-disclaimer .clause__inner {
    grid-template-columns: 84px minmax(0, 1fr) 258px;
    gap: 40px;
  }

  .page-disclaimer .doc-hero__grid {
    grid-template-columns: minmax(0, 1.75fr) minmax(0, 1fr);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-disclaimer .doc-index__link,
  .page-disclaimer .clause,
  .page-disclaimer .doc-end__link,
  .page-disclaimer .doc-top {
    transition: none;
  }
}