.page-disclaimer {
  --u-line: rgba(126, 155, 143, 0.26);
  --u-panel: linear-gradient(158deg, rgba(18, 53, 43, 0.82), rgba(11, 31, 26, 0.94));
  background: var(--night);
  color: var(--white);
  font-family: var(--font-body);
  overflow-x: hidden;
}

.page-disclaimer a {
  color: var(--lime);
  text-decoration: none;
  border-bottom: 1px solid rgba(184, 255, 61, 0.35);
}

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

/* 顶部框景 */
.page-disclaimer .usage-frame {
  position: relative;
  padding: 18px 0 28px;
  overflow: hidden;
  background:
    repeating-linear-gradient(90deg, rgba(244, 255, 248, 0.045) 0 1px, transparent 1px 92px),
    radial-gradient(120% 80% at 8% 0%, rgba(46, 230, 200, 0.14), transparent 62%),
    var(--night);
  border-bottom: 1px solid var(--u-line);
}

.page-disclaimer .usage-frame::after {
  content: "";
  position: absolute;
  right: -110px;
  top: -80px;
  width: 300px;
  height: 300px;
  border: 1px dashed rgba(184, 255, 61, 0.3);
  border-radius: 50%;
  pointer-events: none;
}

.page-disclaimer .usage-frame .breadcrumb {
  position: relative;
  z-index: 1;
}

.page-disclaimer .usage-hero {
  position: relative;
  z-index: 1;
  display: grid;
  gap: 16px;
  padding: 20px 0 26px;
}

.page-disclaimer .usage-hero h1 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(2rem, 8vw, 4.2rem);
  line-height: 1.02;
  letter-spacing: -0.02em;
  color: var(--white);
}

.page-disclaimer .usage-hero__lead {
  margin: 0;
  max-width: 62ch;
  font-size: 15px;
  line-height: 1.85;
  color: rgba(244, 255, 248, 0.8);
}

.page-disclaimer .usage-meta {
  display: grid;
  grid-template-columns: 1fr;
  gap: 10px;
  margin: 6px 0 0;
  padding: 0;
}

.page-disclaimer .usage-meta__item {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 10px 14px;
  border: 1px solid var(--u-line);
  border-radius: var(--pill);
  background: rgba(18, 53, 43, 0.55);
}

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

.page-disclaimer .usage-meta dd {
  margin: 0;
  font-size: 13px;
  font-weight: 700;
  color: var(--lime);
}

.page-disclaimer .usage-banner {
  position: relative;
  z-index: 1;
  margin: 4px 0 0;
  border-radius: var(--radius-lg);
  border: 1px solid var(--u-line);
  overflow: hidden;
  background: var(--tactic);
}

.page-disclaimer .usage-banner img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

/* 正文与目录 */
.page-disclaimer .usage-body {
  display: grid;
  gap: 24px;
  padding: 30px 0 44px;
}

.page-disclaimer .usage-toc {
  padding: 16px 16px 14px;
  border: 1px solid var(--u-line);
  border-radius: var(--radius-md);
  background: var(--u-panel);
}

.page-disclaimer .usage-toc__title {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.2em;
  color: var(--yellow);
  padding-bottom: 10px;
  border-bottom: 1px dashed var(--u-line);
}

.page-disclaimer .usage-toc__list {
  list-style: none;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4px;
  margin: 0;
  padding: 0;
}

.page-disclaimer .usage-toc__list a {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 4px;
  font-size: 13px;
  line-height: 1.4;
  color: rgba(244, 255, 248, 0.82);
  border-bottom: 1px solid transparent;
}

.page-disclaimer .usage-toc__list a:hover,
.page-disclaimer .usage-toc__list a:focus-visible {
  color: var(--lime);
  border-bottom-color: rgba(184, 255, 61, 0.4);
}

.page-disclaimer .usage-toc__idx {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--mist);
}

.page-disclaimer .usage-toc__foot {
  margin: 14px 0 0;
  padding-top: 12px;
  border-top: 1px dashed var(--u-line);
  font-size: 12px;
  line-height: 1.7;
  color: var(--mist);
}

.page-disclaimer .usage-content {
  display: grid;
  gap: 18px;
  min-width: 0;
}

/* 编号卡 */
.page-disclaimer .usage-card {
  --card-accent: var(--lime);
  position: relative;
  padding: 22px 18px 24px;
  border: 1px solid var(--u-line);
  border-radius: var(--radius-md);
  background: var(--u-panel);
  overflow: hidden;
}

.page-disclaimer .usage-card::before {
  content: "";
  position: absolute;
  inset: 0 auto auto 0;
  width: 100%;
  height: 3px;
  background: linear-gradient(90deg, var(--card-accent), rgba(7, 16, 13, 0));
  opacity: 0.75;
}

.page-disclaimer .usage-card:nth-of-type(3n + 2) {
  --card-accent: var(--yellow);
}

.page-disclaimer .usage-card:nth-of-type(3n + 3) {
  --card-accent: var(--cyan);
}

.page-disclaimer .usage-card__head {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
  padding-bottom: 14px;
  margin-bottom: 16px;
  border-bottom: 1px dashed var(--u-line);
}

.page-disclaimer .usage-card__num {
  font-family: var(--font-mono);
  font-size: 34px;
  font-weight: 700;
  line-height: 0.9;
  letter-spacing: -0.04em;
  color: var(--card-accent);
}

.page-disclaimer .usage-card h2 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(1.1rem, 4.4vw, 1.42rem);
  letter-spacing: -0.01em;
  color: var(--white);
}

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

.page-disclaimer .usage-card p {
  margin: 0 0 14px;
  font-size: 15px;
  line-height: 1.85;
  color: rgba(244, 255, 248, 0.82);
}

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

.page-disclaimer .usage-list {
  list-style: none;
  margin: 4px 0 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-disclaimer .usage-list li {
  position: relative;
  padding-left: 22px;
  font-size: 14px;
  line-height: 1.75;
  color: rgba(244, 255, 248, 0.72);
}

.page-disclaimer .usage-list li::before {
  content: "";
  position: absolute;
  left: 2px;
  top: 11px;
  width: 12px;
  height: 2px;
  background: var(--lime);
  border-radius: var(--pill);
}

.page-disclaimer .usage-inline-link {
  margin-top: 14px;
  padding: 12px 14px;
  border-left: 3px solid var(--card-accent);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  background: rgba(7, 16, 13, 0.45);
  font-size: 13px;
  line-height: 1.7;
  color: rgba(244, 255, 248, 0.75);
}

/* 联系块 */
.page-disclaimer .usage-contact {
  display: grid;
  gap: 10px;
  margin: 4px 0 16px;
}

.page-disclaimer .usage-contact__item {
  display: grid;
  gap: 4px;
  padding: 14px 16px;
  border: 1px solid var(--u-line);
  border-radius: var(--radius-sm);
  background: rgba(7, 16, 13, 0.5);
}

.page-disclaimer .usage-contact__label {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--yellow);
}

.page-disclaimer .usage-contact__value {
  font-size: 14px;
  line-height: 1.6;
  color: var(--white);
  word-break: break-word;
}

/* 页尾操作条 */
.page-disclaimer .usage-backbar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
  padding: 18px 0 0;
  border-top: 1px dashed var(--u-line);
}

.page-disclaimer .usage-back {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 11px 20px;
  border-radius: var(--pill);
  border: 1px solid rgba(184, 255, 61, 0.45);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--lime);
  background: rgba(184, 255, 61, 0.08);
}

.page-disclaimer .usage-back:hover,
.page-disclaimer .usage-back:focus-visible {
  color: var(--night);
  background: var(--lime);
  border-bottom-color: var(--lime);
}

.page-disclaimer .usage-card [data-reveal],
.page-disclaimer .usage-card[data-reveal] {
  opacity: 1;
}

@media (min-width: 640px) {
  .page-disclaimer .usage-meta {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-disclaimer .usage-hero__lead {
    font-size: 16px;
  }

  .page-disclaimer .usage-card {
    padding: 26px 26px 28px;
  }

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

  .page-disclaimer .usage-contact__item:last-child {
    grid-column: 1 / -1;
  }
}

@media (min-width: 940px) {
  .page-disclaimer .usage-frame {
    padding-top: 24px;
    padding-bottom: 36px;
  }

  .page-disclaimer .usage-body {
    grid-template-columns: 262px minmax(0, 1fr);
    gap: 44px;
    padding: 42px 0 60px;
    align-items: start;
  }

  .page-disclaimer .usage-toc {
    position: sticky;
    top: calc(var(--header-h) + 16px);
    padding: 20px;
  }

  .page-disclaimer .usage-toc__list {
    grid-template-columns: 1fr;
    gap: 2px;
  }

  .page-disclaimer .usage-content {
    gap: 22px;
  }

  .page-disclaimer .usage-card {
    padding: 30px 34px 32px;
  }

  .page-disclaimer .usage-card__num {
    font-size: 42px;
  }

  .page-disclaimer .usage-contact {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-disclaimer .usage-contact__item:last-child {
    grid-column: auto;
  }
}

@media (min-width: 1180px) {
  .page-disclaimer .usage-hero {
    grid-template-columns: minmax(0, 1.35fr) minmax(0, 1fr);
    column-gap: 40px;
    align-items: end;
  }

  .page-disclaimer .usage-hero .eyebrow,
  .page-disclaimer .usage-hero h1 {
    grid-column: 1;
  }

  .page-disclaimer .usage-hero__lead {
    grid-column: 2;
    grid-row: 1 / span 2;
    align-self: end;
  }

  .page-disclaimer .usage-meta {
    grid-column: 1 / -1;
  }
}
<<<END>>>