.page-disclaimer {
  --clause-pad: 24px;
  --clause-num: 48px;
  --clause-shadow: 6px;
  background: var(--ink);
  color: var(--paper);
  font-family: var(--font-body);
  overflow-wrap: break-word;
}

/* ---------- 首屏 ---------- */
.page-disclaimer .usage-hero {
  position: relative;
  overflow: hidden;
  background: var(--ink);
  border-bottom: 2px solid var(--line);
}

.page-disclaimer .usage-hero__bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: .35;
  z-index: 0;
}

.page-disclaimer .usage-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(120% 80% at 82% 12%, rgba(47, 224, 220, .16) 0%, rgba(47, 224, 220, 0) 58%),
    linear-gradient(180deg, rgba(7, 12, 20, .62) 0%, rgba(7, 12, 20, .92) 72%, var(--ink) 100%);
  z-index: 0;
}

.page-disclaimer .usage-hero__inner {
  position: relative;
  z-index: 1;
  padding-top: calc(var(--header-h) + 36px);
  padding-bottom: 56px;
  max-width: 920px;
}

.page-disclaimer .usage-hero__crumb {
  margin-bottom: 22px;
  font-size: 13px;
  letter-spacing: .04em;
  color: var(--mist);
}

.page-disclaimer .usage-hero__crumb a {
  color: var(--mist);
  text-decoration: none;
}

.page-disclaimer .usage-hero__crumb a:hover {
  color: var(--lime);
}

.page-disclaimer .usage-hero__crumb .breadcrumb__sep {
  margin: 0 8px;
  color: var(--orange);
}

.page-disclaimer .usage-hero__title {
  margin: 14px 0 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(2rem, 6.4vw, 4.2rem);
  line-height: 1.06;
  letter-spacing: -0.02em;
  color: var(--white);
}

.page-disclaimer .usage-hero__lede {
  margin: 22px 0 0;
  max-width: 52ch;
  font-size: 16.5px;
  line-height: 1.85;
  color: rgba(242, 237, 225, .84);
}

/* ---------- 条款目录 ---------- */
.page-disclaimer .usage-jump {
  position: sticky;
  top: var(--header-h-scrolled);
  z-index: 6;
  background: rgba(16, 26, 40, .95);
  border-bottom: 2px solid var(--line);
}

.page-disclaimer .usage-jump__inner {
  padding-top: 0;
  padding-bottom: 0;
}

.page-disclaimer .usage-jump__list {
  display: flex;
  align-items: center;
  gap: 8px;
  margin: 0;
  padding: 10px 0;
  list-style: none;
  overflow-x: auto;
  scrollbar-width: none;
}

.page-disclaimer .usage-jump__list::-webkit-scrollbar {
  display: none;
}

.page-disclaimer .usage-jump__link {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 6px 12px;
  border: 2px solid var(--line-strong);
  color: var(--paper);
  font-size: 13px;
  letter-spacing: .05em;
  line-height: 1.4;
  text-decoration: none;
  white-space: nowrap;
  transition: border-color .18s ease, color .18s ease, transform .18s ease;
}

.page-disclaimer .usage-jump__num {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: 12px;
  color: var(--orange);
}

.page-disclaimer .usage-jump__link:hover,
.page-disclaimer .usage-jump__link:focus-visible {
  border-color: var(--lime);
  color: var(--lime);
  transform: translateY(-2px);
}

/* ---------- 编号条款 ---------- */
.page-disclaimer .usage-clauses {
  display: flex;
  flex-direction: column;
  gap: 68px;
  padding-top: 72px;
  padding-bottom: 24px;
}

.page-disclaimer .clause {
  position: relative;
  padding: 38px var(--clause-pad) 30px;
  background: var(--board);
  border: 2px solid var(--line-strong);
  box-shadow: var(--clause-shadow) var(--clause-shadow) 0 0 var(--grass);
  scroll-margin-top: calc(var(--header-h-scrolled) + 96px);
}

.page-disclaimer .clause--paper {
  background: var(--paper);
  border-color: var(--ink);
  box-shadow: var(--clause-shadow) var(--clause-shadow) 0 0 var(--orange);
}

.page-disclaimer .clause__num {
  position: absolute;
  top: -28px;
  left: 14px;
  padding: 0 12px 0 6px;
  background: var(--ink);
  color: var(--orange);
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: var(--clause-num);
  font-weight: 700;
  line-height: 1;
  letter-spacing: -0.05em;
}

.page-disclaimer .clause__title {
  margin: 0 0 18px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(1.25rem, 3vw, 1.75rem);
  line-height: 1.28;
  letter-spacing: -0.01em;
  color: var(--white);
}

.page-disclaimer .clause--paper .clause__title {
  color: var(--ink);
}

.page-disclaimer .clause__body p {
  margin: 0 0 14px;
  max-width: 68ch;
  font-size: 16.5px;
  line-height: 1.8;
  color: rgba(242, 237, 225, .82);
}

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

.page-disclaimer .clause--paper .clause__body p {
  color: #22303F;
}

.page-disclaimer .clause__list {
  display: grid;
  gap: 12px;
  margin: 18px 0 0;
  padding: 0;
  list-style: none;
}

.page-disclaimer .clause__list li {
  position: relative;
  padding-left: 24px;
  max-width: 68ch;
  font-size: 16px;
  line-height: 1.78;
  color: rgba(242, 237, 225, .78);
}

.page-disclaimer .clause--paper .clause__list li {
  color: #2C3A49;
}

.page-disclaimer .clause__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .72em;
  width: 12px;
  height: 2px;
  background: var(--cyan);
}

.page-disclaimer .clause--paper .clause__list li::before {
  background: var(--orange);
}

.page-disclaimer .clause__hl {
  color: var(--lime);
  font-weight: 700;
}

.page-disclaimer .clause--paper .clause__hl {
  color: var(--ink);
}

.page-disclaimer .clause__link {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 2px solid rgba(47, 224, 220, .45);
  padding-bottom: 1px;
}

.page-disclaimer .clause--paper .clause__link {
  color: #0E5A58;
  border-bottom-color: rgba(14, 90, 88, .4);
}

.page-disclaimer .clause__link:hover,
.page-disclaimer .clause__link:focus-visible {
  color: var(--lime);
  border-bottom-color: var(--lime);
}

.page-disclaimer .clause--paper .clause__link:hover,
.page-disclaimer .clause--paper .clause__link:focus-visible {
  color: var(--orange);
  border-bottom-color: var(--orange);
}

/* ---------- 结尾入口 ---------- */
.page-disclaimer .usage-foot {
  padding: 52px 0 calc(var(--quickbar-h) + 64px);
}

.page-disclaimer .usage-foot__block {
  position: relative;
  padding: 34px var(--clause-pad) 32px;
  background: var(--board);
  border: 2px solid var(--lime);
  box-shadow: 6px 6px 0 0 var(--grass);
}

.page-disclaimer .usage-foot__kicker {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--orange);
}

.page-disclaimer .usage-foot__title {
  margin: 0 0 14px;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(1.4rem, 3.6vw, 2.1rem);
  line-height: 1.2;
  letter-spacing: -0.02em;
  color: var(--white);
}

.page-disclaimer .usage-foot__text {
  margin: 0 0 24px;
  max-width: 62ch;
  font-size: 16px;
  line-height: 1.8;
  color: rgba(242, 237, 225, .8);
}

.page-disclaimer .usage-foot__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.page-disclaimer .usage-foot__top {
  margin-left: auto;
}

/* ---------- 响应式 ---------- */
@media (min-width: 720px) {
  .page-disclaimer {
    --clause-pad: 36px;
    --clause-num: 68px;
  }

  .page-disclaimer .usage-hero__inner {
    padding-bottom: 72px;
  }

  .page-disclaimer .usage-clauses {
    padding-top: 88px;
    gap: 82px;
  }

  .page-disclaimer .clause {
    padding-top: 46px;
    padding-bottom: 38px;
  }

  .page-disclaimer .clause__num {
    top: -36px;
    left: 22px;
  }

  .page-disclaimer .usage-foot__block {
    padding: 44px var(--clause-pad) 40px;
  }
}

@media (min-width: 900px) {
  .page-disclaimer .clause__inner {
    display: grid;
    grid-template-columns: minmax(0, 7fr) minmax(0, 13fr);
    gap: 6px 44px;
    align-items: start;
  }

  .page-disclaimer .clause__title {
    margin-bottom: 0;
  }

  .page-disclaimer .clause__body p,
  .page-disclaimer .clause__list li {
    font-size: 17px;
  }
}

@media (max-width: 639px) {
  .page-disclaimer .usage-hero__title br {
    display: none;
  }

  .page-disclaimer .clause {
    box-shadow: 5px 5px 0 0 var(--grass);
  }

  .page-disclaimer .clause--paper {
    box-shadow: 5px 5px 0 0 var(--orange);
  }

  .page-disclaimer .usage-foot__top {
    margin-left: 0;
  }

  .page-disclaimer .usage-foot__actions .btn {
    width: 100%;
    justify-content: center;
    text-align: center;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-disclaimer .usage-jump__link,
  .page-disclaimer .clause__link {
    transition: none;
  }

  .page-disclaimer .usage-jump__link:hover,
  .page-disclaimer .usage-jump__link:focus-visible {
    transform: none;
  }
}