.page-disclaimer {
  --usage-accent: var(--ochre);
  --usage-hair: rgba(83, 98, 138, 0.45);
  --usage-gap: clamp(16px, 3vw, 30px);
  overflow-x: hidden;
  color: var(--cloud);
}

.page-disclaimer .usage-lead {
  padding: clamp(18px, 3vw, 34px) 0 clamp(26px, 5vw, 54px);
  border-bottom: 1px solid var(--route);
}

.page-disclaimer .usage-lead__grid {
  display: grid;
  gap: clamp(22px, 4vw, 40px);
  margin-top: clamp(18px, 3vw, 30px);
}

.page-disclaimer .usage-lead__text h1 {
  margin: 10px 0 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(31px, 5.4vw, 58px);
  line-height: 1.08;
  letter-spacing: -0.02em;
  color: var(--cloud);
  text-wrap: balance;
}

.page-disclaimer .usage-lead__copy {
  margin: 18px 0 0;
  max-width: 52ch;
  font-size: 15.5px;
  line-height: 1.85;
  color: var(--mist);
}

.page-disclaimer .usage-lead__media {
  margin: 0;
  position: relative;
  background: var(--ink-800);
  border: 1px solid var(--route);
  clip-path: polygon(0 0, calc(100% - var(--chamfer)) 0, 100% var(--chamfer), 100% 100%, var(--chamfer) 100%, 0 calc(100% - var(--chamfer)));
}

.page-disclaimer .usage-lead__media img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 2 / 1;
  object-fit: cover;
}

.page-disclaimer .usage-lead__facts {
  list-style: none;
  margin: clamp(22px, 4vw, 34px) 0 0;
  padding: clamp(16px, 3vw, 22px) 0 0;
  border-top: 1px solid var(--route);
  display: grid;
  gap: 14px;
}

.page-disclaimer .usage-lead__facts li {
  font-size: 14px;
  line-height: 1.6;
  color: var(--mist);
}

.page-disclaimer .usage-lead__facts strong {
  display: block;
  margin-bottom: 3px;
  font-family: var(--font-num);
  font-weight: 800;
  font-size: 22px;
  letter-spacing: -0.01em;
  color: var(--yellow);
}

.page-disclaimer .usage-lead__facts li:nth-child(2) strong {
  color: var(--cyan);
}

.page-disclaimer .usage-lead__facts li:nth-child(3) strong {
  color: var(--cloud);
}

/* 横向主题带 */
.page-disclaimer .usage-band {
  border-bottom: 1px solid var(--route);
}

.page-disclaimer .usage-band__head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 8px 20px;
  margin-bottom: var(--usage-gap);
}

.page-disclaimer .usage-band__head h2 {
  margin: 0;
  max-width: 34ch;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(19px, 2.6vw, 27px);
  line-height: 1.3;
  letter-spacing: -0.01em;
  color: var(--cloud);
}

.page-disclaimer .usage-index {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-disclaimer .usage-index__item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 13px 15px;
  text-decoration: none;
  color: var(--cloud);
  background: linear-gradient(135deg, var(--ink-800), var(--ink-900));
  border: 1px solid var(--route);
  border-left: 3px solid var(--route);
  transition: border-color 160ms ease, background 160ms ease, transform 160ms ease;
}

.page-disclaimer .usage-index__item:hover,
.page-disclaimer .usage-index__item:focus-visible {
  border-color: var(--ochre);
  border-left-color: var(--ochre);
  transform: translateY(-1px);
}

.page-disclaimer .usage-index__num {
  font-family: var(--font-num);
  font-weight: 800;
  font-size: 13px;
  letter-spacing: 0.06em;
  color: var(--mist);
}

.page-disclaimer .usage-index__title {
  flex: 1 1 auto;
  font-size: 14px;
  line-height: 1.4;
  letter-spacing: 0.01em;
}

.page-disclaimer .usage-index li:nth-child(1) .usage-index__item { border-left-color: var(--cyan); }
.page-disclaimer .usage-index li:nth-child(2) .usage-index__item { border-left-color: var(--ochre); }
.page-disclaimer .usage-index li:nth-child(3) .usage-index__item { border-left-color: var(--yellow); }
.page-disclaimer .usage-index li:nth-child(4) .usage-index__item { border-left-color: var(--green); }

/* 编号条款 */
.page-disclaimer .usage-clauses__title {
  margin: 0 0 clamp(22px, 4vw, 40px);
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(20px, 2.8vw, 30px);
  line-height: 1.25;
  letter-spacing: -0.01em;
  color: var(--cloud);
  padding-left: 18px;
  border-left: 3px solid var(--ochre);
}

.page-disclaimer .usage-clauses__inner {
  display: grid;
  gap: clamp(24px, 4vw, 46px);
}

.page-disclaimer .usage-clause {
  position: relative;
  display: grid;
  gap: 12px;
  scroll-margin-top: calc(var(--header-h) + 20px);
}

.page-disclaimer .usage-clause:nth-child(1) { --usage-accent: var(--cyan); }
.page-disclaimer .usage-clause:nth-child(2) { --usage-accent: var(--ochre); }
.page-disclaimer .usage-clause:nth-child(3) { --usage-accent: var(--yellow); }
.page-disclaimer .usage-clause:nth-child(4) { --usage-accent: var(--green); }

.page-disclaimer .usage-clause__tag {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 2px 0 2px 12px;
  border-left: 3px solid var(--usage-accent);
}

.page-disclaimer .usage-clause__num {
  font-family: var(--font-num);
  font-weight: 800;
  font-size: 20px;
  line-height: 1;
  letter-spacing: -0.01em;
  color: var(--usage-accent);
}

.page-disclaimer .usage-clause__kicker {
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.14em;
  color: var(--mist);
}

.page-disclaimer .usage-clause__panel {
  position: relative;
  padding: clamp(20px, 3.4vw, 34px);
  background: linear-gradient(150deg, var(--ink-800) 0%, var(--ink-900) 100%);
  border: 1px solid var(--route);
  clip-path: polygon(0 0, calc(100% - var(--chamfer)) 0, 100% var(--chamfer), 100% 100%, 0 100%);
  transition: border-color 180ms ease;
}

.page-disclaimer .usage-clause__panel::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 68px;
  height: 3px;
  background: var(--usage-accent);
}

.page-disclaimer .usage-clause__panel:hover,
.page-disclaimer .usage-clause__panel:focus-within {
  border-color: var(--ochre);
}

.page-disclaimer .usage-clause__panel h3 {
  margin: 0 0 10px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(21px, 2.9vw, 30px);
  line-height: 1.22;
  letter-spacing: -0.01em;
  color: var(--cloud);
}

.page-disclaimer .usage-clause__panel > p {
  margin: 0 0 18px;
  max-width: 58ch;
  font-size: 15px;
  line-height: 1.85;
  color: var(--mist);
}

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

.page-disclaimer .usage-list li {
  display: grid;
  grid-template-columns: 24px minmax(0, 1fr);
  gap: 10px;
  padding-top: 12px;
  border-top: 1px solid var(--usage-hair);
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--cloud);
}

.page-disclaimer .usage-list__idx {
  font-family: var(--font-num);
  font-weight: 800;
  font-size: 13px;
  line-height: 1.95;
  letter-spacing: 0.04em;
  color: var(--usage-accent);
}

.page-disclaimer .usage-list a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid var(--usage-hair);
  transition: color 160ms ease, border-color 160ms ease;
}

.page-disclaimer .usage-list a:hover,
.page-disclaimer .usage-list a:focus-visible {
  color: var(--ochre);
  border-bottom-color: var(--ochre);
}

/* 收尾引导 */
.page-disclaimer .usage-outro__panel {
  position: relative;
  padding: clamp(24px, 4vw, 44px);
  border: 1px solid var(--route);
  border-top: 3px solid var(--ochre);
  background-color: var(--ink-900);
  background-image:
    linear-gradient(-14deg, transparent 46.4%, rgba(199, 123, 58, 0.38) 46.7%, rgba(199, 123, 58, 0.38) 47.1%, transparent 47.4%),
    linear-gradient(160deg, var(--ochre-wash), rgba(11, 19, 48, 0) 62%),
    linear-gradient(180deg, var(--ink-800), var(--ink-900));
  background-repeat: no-repeat;
  background-size: 100% 130px, 100% 100%, 100% 100%;
  background-position: 0 100%, 0 0, 0 0;
  overflow: hidden;
}

.page-disclaimer .usage-outro__panel h2 {
  margin: 10px 0 0;
  max-width: 30ch;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(22px, 3.4vw, 36px);
  line-height: 1.2;
  letter-spacing: -0.015em;
  color: var(--cloud);
}

.page-disclaimer .usage-outro__note {
  margin: 16px 0 0;
  max-width: 60ch;
  font-size: 15px;
  line-height: 1.85;
  color: var(--mist);
}

.page-disclaimer .usage-outro__mail {
  margin: 20px 0 0;
  font-family: var(--font-num);
  font-weight: 800;
  font-size: clamp(16px, 2.3vw, 22px);
  letter-spacing: 0.01em;
  color: var(--yellow);
  word-break: break-all;
}

.page-disclaimer .usage-outro__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 24px;
}

.page-disclaimer .usage-top-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-top: 22px;
  padding-bottom: 3px;
  font-size: 13px;
  letter-spacing: 0.06em;
  color: var(--mist);
  text-decoration: none;
  border-bottom: 1px solid var(--route);
  transition: color 160ms ease, border-color 160ms ease;
}

.page-disclaimer .usage-top-link::before {
  content: "";
  width: 14px;
  height: 2px;
  background: currentColor;
  transform: rotate(var(--route-angle));
}

.page-disclaimer .usage-top-link:hover,
.page-disclaimer .usage-top-link:focus-visible {
  color: var(--ochre);
  border-bottom-color: var(--ochre);
}

@media (min-width: 620px) {
  .page-disclaimer .usage-lead__facts {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 18px;
  }
}

@media (min-width: 720px) {
  .page-disclaimer .usage-index {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-disclaimer .usage-index__item {
    align-items: flex-start;
    flex-wrap: wrap;
    padding: 15px 14px;
  }

  .page-disclaimer .usage-index__title {
    flex-basis: 100%;
    order: 3;
    margin-top: 6px;
    font-size: 13.5px;
  }
}

@media (min-width: 880px) {
  .page-disclaimer .usage-lead__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    align-items: end;
  }
}

@media (min-width: 900px) {
  .page-disclaimer .usage-clause {
    grid-template-columns: 148px minmax(0, 1fr);
    align-items: start;
    gap: 30px;
  }

  .page-disclaimer .usage-clause:nth-child(even) {
    grid-template-columns: minmax(0, 1fr) 148px;
  }

  .page-disclaimer .usage-clause:nth-child(even) .usage-clause__panel {
    order: 1;
  }

  .page-disclaimer .usage-clause:nth-child(even) .usage-clause__tag {
    order: 2;
    justify-content: flex-end;
    border-left: 0;
    border-right: 3px solid var(--usage-accent);
    padding: 2px 12px 2px 0;
  }

  .page-disclaimer .usage-clause__tag {
    padding-top: 6px;
  }

  .page-disclaimer .usage-clause__num {
    font-size: 30px;
  }
}

@media (min-width: 1040px) {
  .page-disclaimer .usage-clauses__inner {
    gap: clamp(34px, 4vw, 58px);
  }

  .page-disclaimer .usage-clause:nth-child(odd) {
    padding-right: 6%;
  }

  .page-disclaimer .usage-clause:nth-child(even) {
    padding-left: 6%;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-disclaimer .usage-index__item,
  .page-disclaimer .usage-clause__panel,
  .page-disclaimer .usage-list a,
  .page-disclaimer .usage-top-link {
    transition: none;
  }

  .page-disclaimer .usage-index__item:hover,
  .page-disclaimer .usage-index__item:focus-visible {
    transform: none;
  }
}
<<<END>>>