.page-disclaimer {
  --doc-line: rgba(242, 235, 221, .13);
  --doc-line-soft: rgba(242, 235, 221, .07);
  background: var(--tb-ink);
  color: var(--tb-bone);
  font-family: var(--tb-body);
}

/* ---------- 首屏 ---------- */
.page-disclaimer .doc-hero {
  position: relative;
  overflow: hidden;
  padding: calc(var(--tb-hh) + 44px) 0 52px;
  background-color: #071A17;
  border-bottom: 1px solid var(--doc-line);
}

.page-disclaimer .doc-hero__bg {
  position: absolute;
  inset: 0;
  z-index: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: .5;
  filter: saturate(.85);
}

.page-disclaimer .doc-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 1;
  pointer-events: none;
  background:
    linear-gradient(180deg, rgba(7, 26, 23, .58) 0%, rgba(7, 26, 23, .9) 58%, #071A17 100%),
    radial-gradient(85% 120% at 88% 0%, rgba(76, 242, 212, .13), transparent 58%);
}

.page-disclaimer .doc-hero__inner {
  position: relative;
  z-index: 2;
}

.page-disclaimer .doc-hero .tb-crumbs {
  margin-bottom: 24px;
}

.page-disclaimer .doc-hero__title {
  margin: 12px 0 18px;
  max-width: 16ch;
  font-family: var(--tb-display);
  font-size: clamp(34px, 7.2vw, 58px);
  font-weight: 900;
  line-height: 1.04;
  letter-spacing: -.005em;
  color: var(--tb-bone);
}

.page-disclaimer .doc-hero__lede {
  max-width: 58ch;
  margin: 0 0 30px;
  font-size: 16px;
  line-height: 1.8;
  color: var(--tb-stone-light);
}

.page-disclaimer .doc-notice {
  position: relative;
  max-width: 620px;
  padding: 22px 26px 22px 24px;
  background: linear-gradient(115deg, rgba(62, 92, 75, .62), rgba(12, 34, 51, .94));
  border-left: 3px solid var(--tb-clay);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 20px), calc(100% - 20px) 100%, 0 100%);
}

.page-disclaimer .doc-notice__tag {
  margin: 0 0 8px;
  font-family: var(--tb-mono);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .16em;
  color: var(--tb-whistle);
}

.page-disclaimer .doc-notice__text {
  margin: 0;
  font-size: 15px;
  line-height: 1.78;
  color: var(--tb-bone);
}

.page-disclaimer .doc-hero__ticks {
  margin-top: 34px;
  height: 10px;
  background-image: repeating-linear-gradient(90deg, rgba(242, 235, 221, .3) 0 1px, transparent 1px 26px);
  -webkit-mask-image: linear-gradient(90deg, #000 0%, transparent 74%);
  mask-image: linear-gradient(90deg, #000 0%, transparent 74%);
}

/* ---------- 主体两栏 ---------- */
.page-disclaimer .doc-body {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  align-items: start;
  gap: 30px;
  padding-top: 40px;
  padding-bottom: 64px;
  background-image: radial-gradient(70% 46% at 100% 0%, rgba(76, 242, 212, .055), transparent 72%);
  background-repeat: no-repeat;
}

.page-disclaimer .doc-clauses {
  min-width: 0;
  border-top: 1px solid var(--doc-line);
}

/* ---------- 条款折叠 ---------- */
.page-disclaimer .doc-clause {
  border-bottom: 1px solid var(--doc-line);
  scroll-margin-top: calc(var(--tb-hh) + 20px);
}

.page-disclaimer .doc-clause__summary {
  display: flex;
  align-items: baseline;
  gap: 14px;
  padding: 22px 0;
  cursor: pointer;
  list-style: none;
}

.page-disclaimer .doc-clause__summary::-webkit-details-marker {
  display: none;
}

.page-disclaimer .doc-clause__summary::marker {
  content: "";
}

.page-disclaimer .doc-clause__summary:focus-visible {
  outline: 2px solid var(--tb-cyan);
  outline-offset: 4px;
}

.page-disclaimer .doc-clause__num {
  flex: none;
  font-family: var(--tb-mono);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .08em;
  color: var(--tb-clay);
  transition: color .18s var(--tb-ease);
}

.page-disclaimer .doc-clause__title {
  flex: 1 1 auto;
  min-width: 0;
  margin: 0;
  font-family: var(--tb-display);
  font-size: clamp(19px, 3.4vw, 25px);
  font-weight: 800;
  line-height: 1.28;
  letter-spacing: .012em;
  color: var(--tb-bone);
  transition: color .18s var(--tb-ease);
}

.page-disclaimer .doc-clause__mark {
  position: relative;
  flex: none;
  align-self: center;
  width: 13px;
  height: 13px;
  margin-left: auto;
  color: var(--tb-stone);
}

.page-disclaimer .doc-clause__mark::before,
.page-disclaimer .doc-clause__mark::after {
  content: "";
  position: absolute;
  left: 0;
  top: 6px;
  width: 13px;
  height: 1.5px;
  background: currentColor;
  transition: transform .22s var(--tb-ease);
}

.page-disclaimer .doc-clause__mark::after {
  transform: rotate(90deg);
}

.page-disclaimer .doc-clause[open] .doc-clause__mark::after {
  transform: rotate(0deg);
}

.page-disclaimer .doc-clause[open] .doc-clause__num {
  color: var(--tb-whistle);
}

.page-disclaimer .doc-clause__summary:hover .doc-clause__title {
  color: var(--tb-whistle);
}

.page-disclaimer .doc-clause__body {
  max-width: 68ch;
  padding: 0 0 28px;
}

.page-disclaimer .doc-clause__body p {
  margin: 0 0 14px;
  font-size: 15.5px;
  line-height: 1.85;
  color: var(--tb-stone-light);
}

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

.page-disclaimer .doc-clause__body a {
  color: var(--tb-whistle);
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
  transition: color .18s var(--tb-ease);
}

.page-disclaimer .doc-clause__body a:hover {
  color: var(--tb-signal);
}

.page-disclaimer .doc-list {
  margin: 0 0 16px;
  padding: 0;
  list-style: none;
}

.page-disclaimer .doc-list li {
  position: relative;
  padding-left: 18px;
  margin-bottom: 9px;
  font-size: 15.5px;
  line-height: 1.8;
  color: var(--tb-stone-light);
}

.page-disclaimer .doc-list li:last-child {
  margin-bottom: 0;
}

.page-disclaimer .doc-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .78em;
  width: 8px;
  height: 1.5px;
  background: var(--tb-clay);
}

.page-disclaimer .doc-warn {
  margin: 18px 0 0;
  padding: 14px 18px;
  border-left: 2px solid var(--tb-signal);
  background: rgba(255, 122, 47, .08);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 14px), calc(100% - 14px) 100%, 0 100%);
  color: var(--tb-bone) !important;
  font-size: 15px !important;
}

/* ---------- 索引 ---------- */
.page-disclaimer .doc-index {
  order: -1;
  min-width: 0;
}

.page-disclaimer .doc-index__title {
  margin: 0 0 12px;
  font-family: var(--tb-mono);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .18em;
  color: var(--tb-stone);
}

.page-disclaimer .doc-index__list {
  display: flex;
  gap: 8px;
  margin: 0;
  padding: 0 0 6px;
  overflow-x: auto;
  list-style: none;
  scrollbar-width: none;
  -webkit-overflow-scrolling: touch;
}

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

.page-disclaimer .doc-index__item {
  flex: none;
}

.page-disclaimer .doc-index__link {
  display: block;
  padding: 7px 12px;
  font-size: 13px;
  line-height: 1.45;
  white-space: nowrap;
  color: var(--tb-stone-light);
  text-decoration: none;
  border: 1px solid var(--doc-line);
  border-radius: 1px;
  transition: color .18s var(--tb-ease), border-color .18s var(--tb-ease);
}

.page-disclaimer .doc-index__num {
  margin-right: 7px;
  font-family: var(--tb-mono);
  font-size: 11px;
  color: var(--tb-stone);
}

.page-disclaimer .doc-index__link:hover,
.page-disclaimer .doc-index__link:focus-visible {
  color: var(--tb-whistle);
  border-color: rgba(255, 210, 63, .58);
}

/* ---------- 延伸阅读 ---------- */
.page-disclaimer .doc-next {
  padding-bottom: 56px;
}

.page-disclaimer .doc-next__title {
  margin: 0 0 16px;
  font-family: var(--tb-mono);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .18em;
  color: var(--tb-stone);
}

.page-disclaimer .doc-next__list {
  display: block;
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--doc-line);
}

.page-disclaimer .doc-next__list li {
  border-bottom: 1px solid var(--doc-line);
}

.page-disclaimer .doc-next__list a {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 4px 16px;
  padding: 16px 0 16px 16px;
  border-left: 2px solid transparent;
  font-family: var(--tb-display);
  font-size: 18px;
  font-weight: 800;
  letter-spacing: .012em;
  color: var(--tb-bone);
  text-decoration: none;
  transition: border-color .18s var(--tb-ease), color .18s var(--tb-ease), padding-left .18s var(--tb-ease);
}

.page-disclaimer .doc-next__list a:hover,
.page-disclaimer .doc-next__list a:focus-visible {
  border-left-color: var(--tb-whistle);
  color: var(--tb-whistle);
  padding-left: 22px;
}

.page-disclaimer .doc-next__list a span {
  font-family: var(--tb-body);
  font-size: 13.5px;
  font-weight: 400;
  line-height: 1.65;
  color: var(--tb-stone-light);
}

/* ---------- 回顶 ---------- */
.page-disclaimer .doc-footline {
  padding-bottom: 68px;
}

.page-disclaimer .doc-top {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 18px;
  font-family: var(--tb-mono);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .12em;
  color: var(--tb-bone);
  text-decoration: none;
  border: 1px solid var(--doc-line);
  background: transparent;
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 10px), calc(100% - 10px) 100%, 0 100%);
  transition: color .18s var(--tb-ease), border-color .18s var(--tb-ease);
}

.page-disclaimer .doc-top:hover,
.page-disclaimer .doc-top:focus-visible {
  color: var(--tb-whistle);
  border-color: rgba(255, 210, 63, .55);
}

/* ---------- 中等屏 ---------- */
@media (min-width: 720px) {
  .page-disclaimer .doc-clause__summary {
    padding: 26px 0;
  }

  .page-disclaimer .doc-clause__body {
    padding-left: 36px;
  }

  .page-disclaimer .doc-clause__body p,
  .page-disclaimer .doc-list li {
    font-size: 16px;
  }
}

/* ---------- 桌面两栏 ---------- */
@media (min-width: 960px) {
  .page-disclaimer .doc-hero {
    padding: calc(var(--tb-hh) + 64px) 0 64px;
  }

  .page-disclaimer .doc-body {
    grid-template-columns: minmax(0, 1fr) 236px;
    gap: 60px;
    padding-top: 64px;
    padding-bottom: 96px;
  }

  .page-disclaimer .doc-index {
    order: 0;
    position: sticky;
    top: calc(var(--tb-hh) + 24px);
  }

  .page-disclaimer .doc-index__list {
    display: block;
    overflow: visible;
    padding-bottom: 0;
  }

  .page-disclaimer .doc-index__item {
    flex: initial;
  }

  .page-disclaimer .doc-index__link {
    padding: 9px 0 9px 16px;
    border: 0;
    border-left: 1px solid var(--doc-line);
    border-radius: 0;
    white-space: normal;
    font-size: 13.5px;
    line-height: 1.5;
  }

  .page-disclaimer .doc-index__link:hover,
  .page-disclaimer .doc-index__link:focus-visible {
    border-left-color: var(--tb-whistle);
  }

  .page-disclaimer .doc-next {
    padding-bottom: 72px;
  }

  .page-disclaimer .doc-next__list a {
    padding-left: 20px;
    font-size: 19px;
  }
}

/* ---------- 降低动效 ---------- */
@media (prefers-reduced-motion: reduce) {
  .page-disclaimer *,
  .page-disclaimer *::before,
  .page-disclaimer *::after {
    transition-duration: .001ms !important;
    animation-duration: .001ms !important;
  }

  .page-disclaimer .doc-next__list a:hover,
  .page-disclaimer .doc-next__list a:focus-visible {
    padding-left: 16px;
  }
}