.page-disclaimer {
  background: var(--mist);
  color: var(--ink);
  font-family: var(--font-body);
}

.page-disclaimer .breadcrumb {
  padding: clamp(1rem, 3vw, 1.75rem) 0 0;
}

.page-disclaimer .breadcrumb ol {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: .5rem;
  margin: 0;
  padding: 0;
  list-style: none;
  font-size: .875rem;
  color: var(--edge);
}

.page-disclaimer .breadcrumb li + li::before {
  content: "/";
  margin-right: .5rem;
  color: var(--edge);
}

.page-disclaimer .breadcrumb a {
  color: var(--deep);
  text-decoration: none;
  border-bottom: 1px solid var(--line);
}

.page-disclaimer .breadcrumb a:hover,
.page-disclaimer .breadcrumb a:focus-visible {
  color: var(--blue);
  border-bottom-color: var(--blue);
}

/* 首屏 */
.page-disclaimer .usage-hero {
  position: relative;
  overflow: hidden;
  padding: clamp(1.5rem, 4vw, 2.75rem) 0 clamp(2.5rem, 6vw, 4rem);
}

.page-disclaimer .usage-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(90deg, var(--line-strong) 0 1px, transparent 1px 100%),
    repeating-linear-gradient(118deg, rgba(242, 80, 44, .18) 0 1px, transparent 1px 104px);
  background-size: clamp(4rem, 12vw, 8rem) 100%, auto;
  opacity: .45;
  -webkit-mask-image: linear-gradient(180deg, rgba(0, 0, 0, .95), transparent 88%);
  mask-image: linear-gradient(180deg, rgba(0, 0, 0, .95), transparent 88%);
}

.page-disclaimer .usage-hero__grid {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(1.5rem, 4vw, 3rem);
  align-items: center;
}

.page-disclaimer .usage-kicker {
  display: inline-flex;
  align-items: center;
  gap: .55rem;
  margin: 0;
  font-family: var(--font-mono);
  font-size: .76rem;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--wine);
}

.page-disclaimer .usage-kicker::before {
  content: "";
  display: block;
  width: 2.2rem;
  height: 2px;
  background: var(--orange);
}

.page-disclaimer .usage-kicker--light {
  color: var(--on-dark-soft);
}

.page-disclaimer .usage-title {
  margin: .65rem 0 1rem;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(2.4rem, 7vw, 4.6rem);
  line-height: 1.02;
  letter-spacing: -.01em;
  color: var(--deep);
}

.page-disclaimer .usage-lede {
  max-width: 34rem;
  margin: 0;
  font-family: var(--font-serif);
  font-size: clamp(1rem, 1.6vw, 1.12rem);
  line-height: 1.85;
  color: rgba(17, 26, 24, .84);
}

.page-disclaimer .usage-device-note {
  display: flex;
  align-items: flex-start;
  gap: .6rem;
  max-width: 34rem;
  margin: 1.25rem 0 0;
  padding: .7rem .9rem;
  background: rgba(47, 124, 255, .09);
  border-left: 3px solid var(--blue);
  font-size: .875rem;
  line-height: 1.65;
  color: var(--deep);
}

.page-disclaimer .usage-dot {
  flex: none;
  width: .5rem;
  height: .5rem;
  margin-top: .45rem;
  border-radius: 50%;
  background: var(--green);
}

.page-disclaimer .usage-meta {
  display: flex;
  flex-wrap: wrap;
  gap: .5rem 1.35rem;
  margin: 1.35rem 0 0;
  padding: 0;
  list-style: none;
  font-family: var(--font-mono);
  font-size: .8rem;
  color: var(--deep);
}

.page-disclaimer .usage-meta li {
  display: flex;
  align-items: center;
  gap: .45rem;
}

.page-disclaimer .usage-meta li::before {
  content: "";
  width: 6px;
  height: 6px;
  background: var(--orange);
  transform: rotate(45deg);
}

.page-disclaimer .usage-figure {
  margin: 0;
}

.page-disclaimer .usage-figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  aspect-ratio: 16 / 10;
  object-fit: cover;
  object-position: center;
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 30px), calc(100% - 30px) 100%, 0 100%);
}

.page-disclaimer .usage-figure .media-caption {
  margin-top: .65rem;
  font-family: var(--font-mono);
  font-size: .76rem;
  letter-spacing: .04em;
  color: var(--edge);
}

/* 要点横带 */
.page-disclaimer .usage-summary {
  position: relative;
  overflow: hidden;
  background: var(--deep);
  color: var(--paper);
  padding: clamp(2.25rem, 5vw, 3.5rem) 0;
}

.page-disclaimer .usage-summary::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image: repeating-linear-gradient(126deg, rgba(242, 80, 44, .16) 0 1px, transparent 1px 130px);
}

.page-disclaimer .usage-summary__inner {
  position: relative;
}

.page-disclaimer .usage-h2 {
  margin: 0 0 1.5rem;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1.6rem, 3.2vw, 2.3rem);
  line-height: 1.15;
  letter-spacing: .01em;
  color: var(--deep);
}

.page-disclaimer .usage-h2--light {
  color: var(--paper);
  margin-bottom: 0;
}

.page-disclaimer .usage-summary__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1rem;
  margin-top: 1.75rem;
}

.page-disclaimer .summary-card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: .45rem;
  padding: 1.15rem 1.15rem 1.35rem;
  background: rgba(247, 249, 246, .06);
  border: 1px solid rgba(247, 249, 246, .16);
  border-radius: var(--radius-sm);
  color: var(--paper);
  text-decoration: none;
  transition: background .25s var(--ease), border-color .25s var(--ease), transform .25s var(--ease);
}

.page-disclaimer .summary-card::after {
  content: "";
  position: absolute;
  top: -1px;
  right: -1px;
  width: 20px;
  height: 20px;
  background: var(--deep);
  clip-path: polygon(100% 0, 100% 100%, 0 0);
}

.page-disclaimer .summary-card:hover {
  background: rgba(242, 80, 44, .16);
  border-color: rgba(242, 80, 44, .6);
  transform: translateY(-2px);
}

.page-disclaimer .summary-card:focus-visible {
  outline: 2px solid var(--blue);
  outline-offset: 3px;
}

.page-disclaimer .summary-card__num {
  font-family: var(--font-mono);
  font-size: .78rem;
  letter-spacing: .1em;
  color: var(--orange);
}

.page-disclaimer .summary-card__title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.2rem;
  line-height: 1.25;
  color: var(--paper);
}

.page-disclaimer .summary-card__text {
  font-size: .9rem;
  line-height: 1.7;
  color: var(--on-dark-soft);
}

/* 条款正文 */
.page-disclaimer .usage-body {
  background: var(--paper);
  padding: clamp(2.5rem, 6vw, 4.5rem) 0;
}

.page-disclaimer .usage-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(1.75rem, 4vw, 3rem);
}

.page-disclaimer .usage-index {
  border-top: 2px solid var(--deep);
  padding-top: .9rem;
}

.page-disclaimer .usage-index__title {
  margin: 0 0 .75rem;
  font-family: var(--font-mono);
  font-size: .74rem;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--wine);
}

.page-disclaimer .usage-index__list {
  display: flex;
  flex-wrap: wrap;
  gap: .35rem .9rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-disclaimer .usage-index__list a {
  display: block;
  padding: .3rem .1rem;
  font-size: .875rem;
  line-height: 1.45;
  color: var(--deep);
  text-decoration: none;
  border-bottom: 1px solid transparent;
}

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

.page-disclaimer .usage-content {
  min-width: 0;
}

.page-disclaimer .clause {
  margin: 0 0 1.75rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--line-strong);
  scroll-margin-top: calc(var(--header-h) + 1rem);
}

.page-disclaimer .clause__head {
  display: flex;
  align-items: baseline;
  gap: .85rem;
  margin-bottom: .9rem;
}

.page-disclaimer .clause__num {
  flex: none;
  font-family: var(--font-mono);
  font-size: .95rem;
  letter-spacing: .06em;
  color: var(--orange);
}

.page-disclaimer .clause__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1.25rem, 2.2vw, 1.6rem);
  line-height: 1.25;
  color: var(--deep);
}

.page-disclaimer .clause__body p {
  max-width: 44rem;
  margin: 0 0 1rem;
  font-size: 1rem;
  line-height: 1.85;
  color: rgba(17, 26, 24, .86);
}

.page-disclaimer .clause__body a {
  color: var(--deep);
  font-weight: 500;
  text-decoration: none;
  border-bottom: 1px solid var(--blue);
}

.page-disclaimer .clause__body a:hover,
.page-disclaimer .clause__body a:focus-visible {
  color: var(--blue);
}

.page-disclaimer .clause__body p.clause__note {
  max-width: 44rem;
  margin: 1.1rem 0 0;
  padding: .9rem 1rem .9rem 1.15rem;
  background: var(--mist);
  border-left: 3px solid var(--wine);
  font-size: .92rem;
  line-height: 1.75;
  color: var(--ink);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 14px), calc(100% - 14px) 100%, 0 100%);
}

.page-disclaimer .usage-details {
  max-width: 44rem;
  margin: 1.2rem 0 0;
  background: var(--mist);
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-sm);
  overflow: hidden;
}

.page-disclaimer .usage-details summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: .75rem;
  padding: .85rem 1rem;
  cursor: pointer;
  list-style: none;
  font-size: .95rem;
  font-weight: 600;
  color: var(--deep);
}

.page-disclaimer .usage-details summary::-webkit-details-marker {
  display: none;
}

.page-disclaimer .usage-details summary::after {
  content: "+";
  font-family: var(--font-mono);
  font-size: 1.1rem;
  line-height: 1;
  color: var(--orange);
}

.page-disclaimer .usage-details[open] summary::after {
  content: "−";
}

.page-disclaimer .usage-details summary:focus-visible {
  outline: 2px solid var(--blue);
  outline-offset: -2px;
}

.page-disclaimer .usage-details ul {
  margin: 0;
  padding: 0 1rem 1rem 2.1rem;
  font-size: .93rem;
  line-height: 1.75;
  color: rgba(17, 26, 24, .86);
}

.page-disclaimer .usage-details li + li {
  margin-top: .4rem;
}

/* 延伸阅读 */
.page-disclaimer .usage-related {
  background: var(--mist);
  padding: clamp(2.5rem, 5vw, 3.75rem) 0 clamp(2rem, 4vw, 3rem);
}

.page-disclaimer .usage-related .usage-h2 {
  margin-bottom: 1.25rem;
}

.page-disclaimer .related-list {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: .75rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-disclaimer .related-list a {
  display: flex;
  flex-direction: column;
  gap: .35rem;
  height: 100%;
  padding: 1rem 1.1rem;
  background: var(--paper);
  border: 1px solid var(--line);
  border-left: 3px solid var(--deep);
  border-radius: var(--radius-sm);
  text-decoration: none;
  color: var(--ink);
  transition: background .2s var(--ease), border-color .2s var(--ease);
}

.page-disclaimer .related-list a:hover {
  background: #ffffff;
  border-left-color: var(--orange);
}

.page-disclaimer .related-list a:focus-visible {
  outline: 2px solid var(--blue);
  outline-offset: 2px;
}

.page-disclaimer .related-list__label {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.05rem;
  color: var(--deep);
}

.page-disclaimer .related-list__desc {
  font-size: .85rem;
  line-height: 1.6;
  color: rgba(17, 26, 24, .72);
}

.page-disclaimer .usage-top {
  margin: 1.5rem 0 0;
}

.page-disclaimer .to-top {
  display: inline-flex;
  align-items: center;
  gap: .5rem;
  padding: .55rem .95rem;
  background: var(--paper);
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  font-family: var(--font-mono);
  font-size: .82rem;
  letter-spacing: .06em;
  color: var(--deep);
  text-decoration: none;
}

.page-disclaimer .to-top::before {
  content: "↑";
  color: var(--orange);
}

.page-disclaimer .to-top:hover,
.page-disclaimer .to-top:focus-visible {
  border-color: var(--blue);
  color: var(--blue);
}

@media (min-width: 640px) {
  .page-disclaimer .usage-summary__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-disclaimer .related-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 900px) {
  .page-disclaimer .usage-hero__grid {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, .85fr);
  }
}

@media (min-width: 1000px) {
  .page-disclaimer .usage-layout {
    grid-template-columns: 15rem minmax(0, 1fr);
    align-items: start;
  }

  .page-disclaimer .usage-index {
    position: sticky;
    top: calc(var(--header-h) + 1rem);
  }

  .page-disclaimer .usage-index__list {
    flex-direction: column;
    gap: .1rem;
  }

  .page-disclaimer .usage-summary__grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (min-width: 1080px) {
  .page-disclaimer .related-list {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-disclaimer .summary-card,
  .page-disclaimer .related-list a {
    transition: none;
  }

  .page-disclaimer .summary-card:hover {
    transform: none;
  }
}

@media print {
  .page-disclaimer {
    background: #ffffff;
    color: #000000;
  }

  .page-disclaimer .usage-hero::before,
  .page-disclaimer .usage-summary,
  .page-disclaimer .usage-figure,
  .page-disclaimer .usage-index,
  .page-disclaimer .usage-top,
  .page-disclaimer .usage-related {
    display: none;
  }

  .page-disclaimer .usage-body {
    background: #ffffff;
    padding: 0;
  }

  .page-disclaimer .clause {
    break-inside: avoid;
  }
}
<<<END>>>