.page-disclaimer {
  --d-clause-bg: rgba(18, 45, 74, 0.38);
  --d-clause-bg-open: rgba(18, 45, 74, 0.58);
  --d-text: #C3D3E8;
}

.page-disclaimer .breadcrumbs ol {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0;
  padding: 24px 0 0;
  list-style: none;
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--mist);
}

.page-disclaimer .breadcrumbs li {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.page-disclaimer .breadcrumbs li + li::before {
  content: "/";
  color: rgba(234, 242, 255, 0.28);
}

.page-disclaimer .breadcrumbs a {
  color: var(--mist);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

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

/* 首屏 */
.page-disclaimer .usage-hero {
  position: relative;
  padding: clamp(28px, 5vw, 56px) 0 clamp(28px, 4vw, 48px);
  border-bottom: 1px solid var(--line);
}

.page-disclaimer .usage-hero::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -1px;
  width: min(240px, 42%);
  height: 2px;
  background: linear-gradient(90deg, var(--rose), rgba(255, 61, 127, 0));
  transform: skewX(-6deg);
  transform-origin: left center;
}

.page-disclaimer .usage-hero__title {
  margin: 14px 0 0;
  max-width: 20ch;
  font-size: clamp(34px, 7vw, 76px);
  font-weight: 300;
  line-height: 1.08;
  letter-spacing: -0.03em;
  color: var(--ice);
}

.page-disclaimer .usage-hero__lede {
  margin: 22px 0 0;
  max-width: 62ch;
  font-size: clamp(15px, 1.6vw, 17px);
  line-height: 1.85;
  color: var(--d-text);
}

.page-disclaimer .usage-hero__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 26px;
  margin-top: 26px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--mist);
}

.page-disclaimer .usage-hero__meta span {
  position: relative;
  padding-left: 14px;
}

.page-disclaimer .usage-hero__meta span::before {
  content: "";
  position: absolute;
  left: 0;
  top: 50%;
  width: 6px;
  height: 6px;
  margin-top: -3px;
  background: var(--gold);
  transform: rotate(45deg);
}

.page-disclaimer .usage-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 30px;
}

/* 路径图 */
.page-disclaimer .usage-map {
  display: grid;
  gap: clamp(22px, 3vw, 36px);
  padding: clamp(28px, 4vw, 48px) 0 clamp(32px, 5vw, 56px);
  border-bottom: 1px solid var(--line);
}

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

.page-disclaimer .usage-map__figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
  clip-path: polygon(
    0 0,
    calc(100% - 22px) 0,
    100% 22px,
    100% 100%,
    22px 100%,
    0 calc(100% - 22px)
  );
  background: var(--ink-700);
}

.page-disclaimer .usage-map__cap {
  margin-top: 12px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--mist);
}

.page-disclaimer .usage-map__steps {
  display: grid;
  gap: 20px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-disclaimer .usage-map__step {
  position: relative;
  padding-left: 46px;
}

.page-disclaimer .usage-map__step::before {
  content: "";
  position: absolute;
  left: 13px;
  top: 30px;
  bottom: -22px;
  width: 1px;
  background: linear-gradient(180deg, rgba(232, 184, 109, 0.85), rgba(232, 184, 109, 0));
  transform: skewX(-6deg);
  transform-origin: top center;
}

.page-disclaimer .usage-map__step:last-child::before {
  display: none;
}

.page-disclaimer .usage-map__no {
  position: absolute;
  left: 0;
  top: 0;
  display: grid;
  place-items: center;
  width: 28px;
  height: 28px;
  border: 1px solid rgba(232, 184, 109, 0.42);
  border-radius: 2px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.04em;
  color: var(--gold);
  font-variant-numeric: tabular-nums;
}

.page-disclaimer .usage-map__name {
  margin: 0 0 4px;
  font-size: 15px;
  font-weight: 500;
  letter-spacing: 0.02em;
  color: var(--ice);
}

.page-disclaimer .usage-map__text {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.75;
  color: var(--mist);
}

/* 索引 + 条款 */
.page-disclaimer .usage-layout {
  display: grid;
  gap: clamp(24px, 4vw, 40px);
  padding: clamp(32px, 5vw, 64px) 0 clamp(48px, 7vw, 96px);
}

.page-disclaimer .usage-toc__title {
  margin: 0 0 14px;
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.18em;
  color: var(--mist);
}

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

.page-disclaimer .usage-toc__list li {
  flex: 0 0 auto;
}

.page-disclaimer .usage-toc__list a {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  min-height: 44px;
  padding: 8px 14px;
  border: 1px solid var(--line);
  border-radius: 2px;
  font-size: 13px;
  color: var(--mist);
  text-decoration: none;
  white-space: nowrap;
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease),
    background-color var(--dur) var(--ease);
}

.page-disclaimer .usage-toc__list a:hover,
.page-disclaimer .usage-toc__list a:focus-visible {
  color: var(--ice);
  border-color: rgba(95, 227, 195, 0.5);
  background: rgba(95, 227, 195, 0.08);
}

.page-disclaimer .usage-toc__no {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--gold);
  font-variant-numeric: tabular-nums;
}

.page-disclaimer .usage-clauses {
  display: grid;
  gap: 14px;
  min-width: 0;
}

.page-disclaimer .clause {
  position: relative;
  border: 1px solid var(--line);
  border-radius: 2px;
  background: var(--d-clause-bg);
  scroll-margin-top: 96px;
  transition: border-color var(--dur) var(--ease), background-color var(--dur) var(--ease);
}

.page-disclaimer .clause:hover {
  border-color: var(--line-strong);
}

.page-disclaimer .clause[open] {
  background: var(--d-clause-bg-open);
  border-color: rgba(234, 242, 255, 0.26);
}

.page-disclaimer .clause[open]::before {
  content: "";
  position: absolute;
  left: 0;
  top: 16px;
  bottom: 16px;
  width: 2px;
  background: linear-gradient(180deg, var(--rose), rgba(255, 61, 127, 0));
}

.page-disclaimer .clause__summary {
  display: flex;
  align-items: center;
  gap: 14px;
  min-height: 48px;
  padding: 16px 18px;
  cursor: pointer;
  list-style: none;
}

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

.page-disclaimer .clause__summary:focus-visible {
  outline: 2px solid var(--mint);
  outline-offset: -2px;
}

.page-disclaimer .clause__summary::after {
  content: "+";
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 16px;
  line-height: 1;
  color: var(--mist);
  transition: color var(--dur) var(--ease);
}

.page-disclaimer .clause[open] .clause__summary::after {
  content: "−";
  color: var(--mint);
}

.page-disclaimer .clause__no {
  flex: 0 0 auto;
  padding: 3px 7px;
  border: 1px solid rgba(232, 184, 109, 0.36);
  border-radius: 2px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--gold);
  font-variant-numeric: tabular-nums;
}

.page-disclaimer .clause__name {
  margin: 0;
  font-size: clamp(16px, 2vw, 20px);
  font-weight: 500;
  line-height: 1.45;
  letter-spacing: -0.01em;
  color: var(--ice);
}

.page-disclaimer .clause__body {
  padding: 4px 18px 22px;
  border-top: 1px solid var(--line);
  margin-top: 0;
  padding-top: 18px;
}

.page-disclaimer .clause__body p {
  margin: 0 0 12px;
  max-width: 72ch;
  font-size: 15px;
  line-height: 1.85;
  color: var(--d-text);
}

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

.page-disclaimer .clause__body ul {
  display: grid;
  gap: 9px;
  margin: 0 0 14px;
  padding: 0;
  max-width: 72ch;
  list-style: none;
}

.page-disclaimer .clause__body li {
  position: relative;
  padding-left: 18px;
  font-size: 15px;
  line-height: 1.8;
  color: var(--d-text);
}

.page-disclaimer .clause__body li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.72em;
  width: 6px;
  height: 6px;
  background: var(--mint);
  transform: rotate(45deg);
}

.page-disclaimer .clause__body strong {
  color: var(--ice);
  font-weight: 500;
}

.page-disclaimer .clause__body a {
  color: var(--mint-soft);
  text-decoration: none;
  border-bottom: 1px solid rgba(168, 245, 227, 0.45);
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

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

.page-disclaimer .clause__contact {
  display: grid;
  gap: 10px;
  margin: 16px 0;
  padding: 16px 18px;
  border: 1px solid var(--line);
  border-left: 2px solid var(--gold);
  background: rgba(6, 16, 31, 0.5);
}

.page-disclaimer .clause__contact-row {
  display: flex;
  flex-wrap: wrap;
  gap: 6px 16px;
  align-items: baseline;
}

.page-disclaimer .clause__contact dt {
  flex: 0 0 auto;
  min-width: 72px;
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--mist);
}

.page-disclaimer .clause__contact dd {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--ice);
  word-break: break-word;
}

@media (min-width: 600px) {
  .page-disclaimer .usage-map__steps {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 24px 28px;
  }

  .page-disclaimer .usage-map__step::before {
    display: none;
  }

  .page-disclaimer .clause__summary {
    padding: 18px 24px;
  }

  .page-disclaimer .clause__body {
    padding: 18px 24px 26px;
  }
}

@media (min-width: 960px) {
  .page-disclaimer .usage-map {
    grid-template-columns: minmax(0, 1.02fr) minmax(0, 0.98fr);
    align-items: center;
    gap: clamp(32px, 4vw, 56px);
  }

  .page-disclaimer .usage-layout {
    grid-template-columns: 224px minmax(0, 1fr);
    gap: clamp(32px, 4vw, 64px);
    align-items: start;
  }

  .page-disclaimer .usage-toc {
    position: sticky;
    top: 96px;
  }

  .page-disclaimer .usage-toc__list {
    display: grid;
    gap: 2px;
    overflow: visible;
    padding-bottom: 0;
  }

  .page-disclaimer .usage-toc__list li {
    flex: none;
  }

  .page-disclaimer .usage-toc__list a {
    display: flex;
    min-height: 0;
    padding: 9px 10px;
    border: 0;
    border-left: 2px solid transparent;
    border-radius: 0;
    white-space: normal;
    line-height: 1.5;
  }

  .page-disclaimer .usage-toc__list a:hover,
  .page-disclaimer .usage-toc__list a:focus-visible {
    background: transparent;
    border-left-color: var(--rose);
    color: var(--ice);
  }

  .page-disclaimer .usage-hero__lede {
    max-width: 56ch;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-disclaimer .usage-map__step::before,
  .page-disclaimer .usage-hero::after {
    transition: none;
  }

  .page-disclaimer .clause,
  .page-disclaimer .usage-toc__list a {
    transition: none;
  }
}
<<<PAGE_CSS_END>>>