.page-disclaimer .usage-shell {
  max-width: 52rem;
  margin-inline: auto;
}

.page-disclaimer .usage-intro {
  padding-top: clamp(1.5rem, 4vw, 2.5rem);
}

.page-disclaimer .usage-intro__eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  margin: 0;
  font-size: 0.875rem;
  font-weight: 700;
  color: var(--red);
}

.page-disclaimer .usage-intro__eyebrow::before {
  content: "";
  width: 1.75rem;
  height: 3px;
  border-radius: var(--r-pill);
  background: linear-gradient(90deg, var(--red), var(--gold));
}

.page-disclaimer .usage-intro h1 {
  margin: 0.75rem 0 0;
  font-size: clamp(2rem, 5.2vw, 3.25rem);
  line-height: 1.1;
  letter-spacing: -0.01em;
  color: var(--ink);
}

.page-disclaimer .usage-intro__lead {
  max-width: var(--measure);
  margin: 1rem 0 0;
  font-size: clamp(1rem, 2.2vw, 1.125rem);
  line-height: 1.75;
  color: var(--muted);
}

/* —— 顶部条目跳转 —— */
.page-disclaimer .usage-jump {
  margin-top: clamp(1.5rem, 4vw, 2.25rem);
  padding-bottom: clamp(1.25rem, 3vw, 1.75rem);
  border-bottom: 1px solid var(--line);
}

.page-disclaimer .usage-jump__list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-disclaimer .usage-jump__link {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  padding: 0.5rem 0.95rem;
  border-radius: var(--r-pill);
  border: 1px solid var(--line);
  background: var(--cloud);
  color: var(--ink);
  font-size: 0.875rem;
  font-weight: 600;
  text-decoration: none;
  transition: transform 0.24s ease, border-color 0.24s ease, background 0.24s ease, color 0.24s ease;
}

.page-disclaimer .usage-jump__link:hover,
.page-disclaimer .usage-jump__link:focus-visible {
  transform: translateY(-2px);
  border-color: var(--red);
  background: var(--snow);
  color: var(--red);
}

.page-disclaimer .usage-jump__idx {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--stone);
}

/* —— 规则卡片 —— */
.page-disclaimer .rule-stack {
  display: flex;
  flex-direction: column;
  gap: clamp(1rem, 2.6vw, 1.5rem);
  margin-top: clamp(1.5rem, 4vw, 2.25rem);
}

.page-disclaimer .rule-card {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: clamp(1rem, 3vw, 1.75rem);
  padding: clamp(1.35rem, 3.5vw, 2.25rem);
  border-radius: 24px;
  background: var(--snow);
  border: 1px solid var(--line);
  box-shadow: var(--shadow-soft);
  scroll-margin-top: 7rem;
}

.page-disclaimer .rule-card__num {
  display: grid;
  place-items: center;
  width: 3rem;
  height: 3rem;
  border-radius: 50%;
  border: 2px solid var(--gold);
  background: linear-gradient(145deg, rgba(224, 169, 59, 0.18), var(--snow) 70%);
  color: var(--deep);
  font-family: var(--font-mono);
  font-size: 1rem;
  font-weight: 700;
  font-variant-numeric: tabular-nums;
}

.page-disclaimer .rule-card__body {
  min-width: 0;
}

.page-disclaimer .rule-card__title {
  margin: 0;
  font-size: clamp(1.125rem, 2.6vw, 1.375rem);
  font-weight: 700;
  line-height: 1.35;
  color: var(--ink);
}

.page-disclaimer .rule-card__rule {
  margin: 0.7rem 0 0;
  padding-left: 0.9rem;
  border-left: 3px solid var(--red);
  font-size: 1rem;
  font-weight: 600;
  line-height: 1.75;
  color: var(--deep);
}

.page-disclaimer .rule-card__note {
  margin: 0.6rem 0 0;
  font-size: 0.9375rem;
  line-height: 1.8;
  color: var(--muted);
}

/* —— 胶囊标签组 —— */
.page-disclaimer .chip-group {
  margin-top: 1.25rem;
}

.page-disclaimer .chip-group__label {
  display: block;
  margin-bottom: 0.6rem;
  font-size: 0.8125rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  color: var(--stone);
}

.page-disclaimer .chip-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-disclaimer .chip {
  display: inline-flex;
  align-items: center;
  padding: 0.4rem 0.85rem;
  border-radius: var(--r-pill);
  border: 1px solid transparent;
  font-size: 0.8125rem;
  font-weight: 600;
  line-height: 1.4;
  transition: transform 0.22s ease, box-shadow 0.22s ease;
}

.page-disclaimer .chip--sky {
  background: rgba(27, 98, 184, 0.1);
  border-color: rgba(27, 98, 184, 0.2);
  color: var(--sky);
}

.page-disclaimer .chip--sand {
  background: var(--sand);
  border-color: rgba(14, 46, 79, 0.08);
  color: var(--deep);
}

.page-disclaimer .chip:hover {
  transform: scale(1.05);
  box-shadow: var(--shadow-soft);
}

/* —— 海拔色阶 —— */
.page-disclaimer .altimeter {
  margin-top: 1.25rem;
  padding: 1.1rem 1.15rem 1rem;
  border-radius: 20px;
  border: 1px solid var(--line);
  background: linear-gradient(180deg, rgba(127, 178, 232, 0.16), rgba(246, 248, 251, 0.9));
}

.page-disclaimer .altimeter__caption {
  margin: 0 0 0.7rem;
  font-size: 0.8125rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  color: var(--stone);
}

.page-disclaimer .altimeter__bar {
  height: 12px;
  border-radius: var(--r-pill);
  background: linear-gradient(90deg, var(--green) 0%, var(--light-sky) 40%, var(--sky) 72%, var(--deep) 100%);
}

.page-disclaimer .altimeter__scale {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 0.5rem 1rem;
  margin-top: 0.7rem;
  font-size: 0.8125rem;
  color: var(--stone);
}

.page-disclaimer .altimeter__scale span {
  display: inline-flex;
  align-items: baseline;
  gap: 0.3rem;
}

.page-disclaimer .altimeter__scale b {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-weight: 700;
  color: var(--deep);
}

/* —— 图片 —— */
.page-disclaimer .usage-figure {
  margin: 1.25rem 0 0;
}

.page-disclaimer .usage-figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  border-radius: 20px;
  object-fit: cover;
  background: linear-gradient(150deg, var(--light-sky), var(--sky));
}

.page-disclaimer .usage-figure figcaption {
  margin-top: 0.7rem;
  font-size: 0.8125rem;
  line-height: 1.7;
  color: var(--stone);
}

/* —— 末尾入口 —— */
.page-disclaimer .usage-next {
  margin-top: clamp(2rem, 5vw, 3rem);
  padding: clamp(1.5rem, 4vw, 2.25rem);
  border-radius: 24px;
  border: 1px solid var(--line);
  background: linear-gradient(160deg, rgba(127, 178, 232, 0.18), rgba(246, 248, 251, 0.92) 62%);
  text-align: center;
}

.page-disclaimer .usage-next__title {
  margin: 0;
  font-size: clamp(1.25rem, 3vw, 1.625rem);
  font-weight: 700;
  color: var(--ink);
}

.page-disclaimer .usage-next__text {
  max-width: var(--measure);
  margin: 0.75rem auto 0;
  font-size: 0.9375rem;
  line-height: 1.8;
  color: var(--muted);
}

.page-disclaimer .usage-next__links {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.6rem;
  margin-top: 1.25rem;
}

.page-disclaimer .usage-next__cta {
  margin-top: 1.1rem;
}

/* —— 窄屏 —— */
@media (max-width: 600px) {
  .page-disclaimer .rule-card {
    grid-template-columns: 1fr;
    gap: 0.9rem;
  }

  .page-disclaimer .rule-card__num {
    width: 2.5rem;
    height: 2.5rem;
    font-size: 0.875rem;
  }

  .page-disclaimer .rule-card__rule {
    padding-left: 0.75rem;
  }

  .page-disclaimer .usage-next__links {
    flex-direction: column;
    align-items: stretch;
  }

  .page-disclaimer .usage-next__links .btn {
    justify-content: center;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-disclaimer .usage-jump__link,
  .page-disclaimer .chip {
    transition: none;
  }

  .page-disclaimer .usage-jump__link:hover,
  .page-disclaimer .usage-jump__link:focus-visible,
  .page-disclaimer .chip:hover {
    transform: none;
  }
}