.page-disclaimer{
  --u-edge: 20px;
  --u-line: rgba(7, 20, 38, .14);
  --u-ink-line: rgba(92, 242, 214, .20);
  --u-body-text: rgba(7, 20, 38, .84);
  --u-body-soft: rgba(7, 20, 38, .70);
  background: var(--ink);
  color: var(--chalk);
  overflow-x: hidden;
}

/* ---------- 首屏 ---------- */
.page-disclaimer .usage-hero{
  position: relative;
  padding: 36px 0 48px;
  background:
    radial-gradient(120% 92% at 82% 6%, rgba(22, 122, 74, .40), transparent 64%),
    radial-gradient(80% 60% at 4% 100%, rgba(92, 242, 214, .10), transparent 70%),
    var(--ink);
}

.page-disclaimer .usage-hero__grid{
  display: grid;
  grid-template-columns: 1fr;
  gap: 32px;
}

.page-disclaimer .usage-hero__title{
  margin: 14px 0 0;
  color: var(--chalk);
  line-height: 1.16;
  letter-spacing: -.01em;
}

.page-disclaimer .usage-hero__lede{
  margin: 18px 0 0;
  max-width: 34em;
  color: rgba(249, 251, 247, .80);
  font-size: 16.5px;
  line-height: 1.85;
}

.page-disclaimer .usage-hero__actions{
  margin-top: 26px;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
}

.page-disclaimer .usage-hero__actions .btn--ghost{
  color: var(--chalk);
  border: 1px solid rgba(249, 251, 247, .32);
}

.page-disclaimer .usage-hero__jump{
  font-size: 14px;
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(92, 242, 214, .45);
  padding-bottom: 2px;
}

.page-disclaimer .usage-hero__figure{
  margin: 0;
  position: relative;
}

.page-disclaimer .usage-hero__figure img{
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  border: 1px solid var(--u-ink-line);
  border-radius: 2px;
  box-shadow: 0 26px 60px rgba(0, 0, 0, .48);
  object-fit: cover;
}

.page-disclaimer .usage-hero__caption{
  margin-top: 12px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .14em;
  color: var(--moss);
  opacity: .82;
}

/* ---------- 快速索引带 ---------- */
.page-disclaimer .usage-index{
  position: relative;
  background: var(--ink-soft);
  border-top: 1px solid var(--u-ink-line);
  padding: 14px 0 36px;
}

.page-disclaimer .usage-index__inner{
  display: flex;
  gap: 8px;
  overflow-x: auto;
  padding-bottom: 6px;
  scrollbar-width: thin;
  -webkit-overflow-scrolling: touch;
}

.page-disclaimer .usage-index__link{
  flex: 0 0 auto;
  display: inline-flex;
  align-items: baseline;
  gap: 8px;
  padding: 8px 14px;
  border: 1px solid var(--u-ink-line);
  border-radius: 999px;
  color: rgba(249, 251, 247, .84);
  font-size: 13px;
  line-height: 1.4;
  text-decoration: none;
  white-space: nowrap;
}

.page-disclaimer .usage-index__link:hover,
.page-disclaimer .usage-index__link:focus-visible{
  border-color: var(--cyan);
  color: var(--chalk);
  background: rgba(92, 242, 214, .08);
}

.page-disclaimer .usage-index__num{
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .12em;
  color: var(--cyan);
}

/* ---------- 条款长卷 ---------- */
.page-disclaimer .usage-body{
  position: relative;
  background: var(--paper);
  color: var(--ink);
  padding: 52px 0 64px;
}

.page-disclaimer .usage-body::before{
  content: "";
  position: absolute;
  top: -22px;
  left: 0;
  right: 0;
  height: 24px;
  background: var(--paper);
  clip-path: polygon(0 100%, 100% 0, 100% 100%);
}

.page-disclaimer .usage-intro{
  margin: 0 0 30px;
  max-width: 40em;
  color: var(--u-body-soft);
  font-size: 16px;
  line-height: 1.9;
  padding-left: 16px;
  border-left: 3px solid var(--pitch);
}

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

.page-disclaimer .usage-card{
  display: grid;
  grid-template-columns: 52px minmax(0, 1fr);
  background: var(--chalk);
  border: 1px solid var(--u-line);
  border-radius: 2px;
  overflow: hidden;
  scroll-margin-top: 84px;
}

.page-disclaimer .usage-card__idx{
  display: flex;
  align-items: flex-start;
  justify-content: center;
  padding: 22px 4px 22px 0;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .1em;
  color: var(--chalk);
  background: linear-gradient(180deg, var(--pitch), var(--pitch-deep));
  clip-path: polygon(0 0, 100% 0, calc(100% - 14px) 100%, 0 100%);
}

.page-disclaimer .usage-card__body{
  padding: 22px 20px 24px 8px;
}

.page-disclaimer .usage-card__title{
  margin: 0 0 12px;
  color: var(--ink);
  letter-spacing: -.005em;
}

.page-disclaimer .usage-card__body p{
  margin: 0;
  max-width: 42em;
  color: var(--u-body-text);
  font-size: 15.5px;
  line-height: 1.85;
}

.page-disclaimer .usage-card__body p + p{
  margin-top: 12px;
}

.page-disclaimer .usage-card__body a{
  color: var(--pitch-deep);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-disclaimer .usage-points{
  list-style: none;
  margin: 14px 0 0;
  padding: 0;
  display: grid;
  gap: 8px;
}

.page-disclaimer .usage-points li{
  position: relative;
  padding-left: 18px;
  color: var(--u-body-soft);
  font-size: 15px;
  line-height: 1.75;
}

.page-disclaimer .usage-points li::before{
  content: "";
  position: absolute;
  left: 0;
  top: .78em;
  width: 9px;
  height: 2px;
  background: var(--pitch);
}

.page-disclaimer .usage-note{
  margin: 16px 0 0;
  padding: 11px 14px;
  background: rgba(255, 138, 61, .10);
  border-left: 3px solid var(--orange);
  color: rgba(7, 20, 38, .80);
  font-size: 14px;
  line-height: 1.72;
}

@media (hover: hover){
  .page-disclaimer .usage-card:hover{
    border-color: rgba(22, 122, 74, .42);
    box-shadow: 0 12px 28px rgba(7, 20, 38, .09);
  }
}

/* ---------- 页尾反馈 ---------- */
.page-disclaimer .usage-help{
  background: var(--pitch);
  color: var(--chalk);
  padding: 52px 0 56px;
}

.page-disclaimer .usage-help__grid{
  display: grid;
  grid-template-columns: 1fr;
  gap: 28px;
}

.page-disclaimer .usage-help__eyebrow{
  color: var(--moss);
}

.page-disclaimer .usage-help__title{
  margin: 12px 0 0;
  color: var(--chalk);
  line-height: 1.2;
}

.page-disclaimer .usage-help__text{
  margin: 16px 0 0;
  max-width: 34em;
  color: rgba(249, 251, 247, .86);
  font-size: 16px;
  line-height: 1.85;
}

.page-disclaimer .usage-help__actions{
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
}

.page-disclaimer .usage-help__actions .btn--primary{
  background: var(--orange);
  color: var(--ink);
  border-color: var(--orange);
}

.page-disclaimer .usage-help__actions .btn--ghost{
  color: var(--chalk);
  border: 1px solid rgba(249, 251, 247, .42);
}

.page-disclaimer .usage-help__top{
  appearance: none;
  background: none;
  border: 0;
  padding: 6px 2px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .14em;
  color: rgba(249, 251, 247, .78);
  cursor: pointer;
}

.page-disclaimer .usage-help__top:hover,
.page-disclaimer .usage-help__top:focus-visible{
  color: var(--cyan);
}

/* ---------- 断点 ---------- */
@media (min-width: 720px){
  .page-disclaimer .usage-index__inner{
    flex-wrap: wrap;
    overflow-x: visible;
  }
  .page-disclaimer .usage-help__grid{
    grid-template-columns: minmax(0, 1.15fr) minmax(0, .85fr);
    align-items: center;
    gap: 40px;
  }
}

@media (min-width: 900px){
  .page-disclaimer .usage-hero{
    padding: 56px 0 68px;
  }
  .page-disclaimer .usage-hero__grid{
    grid-template-columns: minmax(0, 1.04fr) minmax(0, .96fr);
    align-items: center;
    gap: 52px;
  }
  .page-disclaimer .usage-hero__lede{
    font-size: 17px;
  }
  .page-disclaimer .usage-card{
    grid-template-columns: 76px minmax(0, 1fr);
  }
  .page-disclaimer .usage-card__idx{
    font-size: 15px;
    padding: 26px 6px 26px 0;
    align-items: flex-start;
  }
  .page-disclaimer .usage-card__body{
    padding: 28px 34px 30px 16px;
  }
  .page-disclaimer .usage-list{
    gap: 22px;
  }
  .page-disclaimer .usage-body{
    padding: 64px 0 84px;
  }
}

@media (min-width: 1180px){
  .page-disclaimer .usage-card:nth-child(even){
    margin-left: 28px;
  }
  .page-disclaimer .usage-card:nth-child(3n){
    margin-right: 20px;
  }
}

@media print{
  .page-disclaimer{
    background: #ffffff;
    color: #000000;
  }
  .page-disclaimer .usage-hero{
    background: #ffffff;
    padding: 0 0 16px;
  }
  .page-disclaimer .usage-hero__title,
  .page-disclaimer .usage-hero__lede{
    color: #000000;
  }
  .page-disclaimer .usage-hero__figure,
  .page-disclaimer .usage-index,
  .page-disclaimer .usage-help__top,
  .page-disclaimer .usage-hero__actions{
    display: none;
  }
  .page-disclaimer .usage-body{
    background: #ffffff;
    padding: 0;
  }
  .page-disclaimer .usage-body::before{
    display: none;
  }
  .page-disclaimer .usage-card{
    break-inside: avoid;
    page-break-inside: avoid;
    margin: 0 0 14px;
    border-color: #999999;
  }
  .page-disclaimer .usage-card__idx{
    background: #eeeeee;
    color: #000000;
    clip-path: none;
  }
  .page-disclaimer .usage-help{
    background: #ffffff;
    color: #000000;
    padding: 16px 0 0;
  }
  .page-disclaimer .usage-help__title,
  .page-disclaimer .usage-help__text,
  .page-disclaimer .usage-help__eyebrow{
    color: #000000;
  }
}
<<<END>>>