.page-disclaimer {
  --usage-rule: rgba(212, 165, 68, 0.30);
  --usage-rule-soft: rgba(124, 143, 163, 0.26);
  --usage-paper-line: rgba(11, 27, 43, 0.14);
  --usage-body: rgba(11, 27, 43, 0.78);
  background-color: var(--ink);
  color: var(--ink-soft);
  padding-bottom: clamp(48px, 8vw, 110px);
}

/* ---------- 顶部面包屑 ---------- */
.page-disclaimer .usage-top {
  padding-top: calc(var(--header-h) + clamp(16px, 3vw, 34px));
  position: relative;
  z-index: 2;
}

/* ---------- 首屏 ---------- */
.page-disclaimer .usage-hero {
  position: relative;
  padding: clamp(20px, 4vw, 42px) 0 clamp(26px, 4vw, 52px);
  overflow: hidden;
}

.page-disclaimer .usage-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: linear-gradient(to right, rgba(124, 143, 163, 0.10) 1px, transparent 1px);
  background-size: min(8.333vw, 103px) 100%;
  pointer-events: none;
  opacity: 0.85;
}

.page-disclaimer .usage-hero__grid {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(18px, 3vw, 30px);
  align-items: start;
}

.page-disclaimer .usage-hero__aside {
  display: flex;
  align-items: center;
  gap: 16px;
}

.page-disclaimer .usage-hero__seal {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 68px;
  height: 68px;
  flex: none;
  border: 1px solid var(--gold);
  color: var(--gold-hi);
  font-size: 21px;
  font-weight: 700;
  letter-spacing: 0.08em;
  position: relative;
}

.page-disclaimer .usage-hero__seal::after {
  content: "";
  position: absolute;
  inset: 5px;
  border: 1px solid rgba(212, 165, 68, 0.38);
  pointer-events: none;
}

.page-disclaimer .usage-hero__aside-line {
  margin: 0;
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--steel);
  text-transform: uppercase;
}

.page-disclaimer .usage-hero__main .kicker {
  color: var(--gold);
}

.page-disclaimer .usage-hero__title {
  margin: 10px 0 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(30px, 6.4vw, 60px);
  line-height: 1.16;
  letter-spacing: -0.01em;
  color: var(--paper);
}

.page-disclaimer .usage-hero__lede {
  margin: clamp(16px, 2.4vw, 24px) 0 0;
  max-width: 38em;
  font-size: clamp(15px, 1.6vw, 17px);
  line-height: 1.95;
  color: var(--ink-soft);
}

.page-disclaimer .usage-hero__figure {
  position: relative;
  margin: clamp(26px, 4vw, 46px) 0 0;
}

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

@media (min-width: 900px) {
  .page-disclaimer .usage-hero__grid {
    grid-template-columns: minmax(0, 220px) minmax(0, 1fr);
    gap: clamp(28px, 5vw, 72px);
  }

  .page-disclaimer .usage-hero__aside {
    flex-direction: column;
    align-items: flex-start;
    gap: 20px;
    padding-top: 8px;
  }

  .page-disclaimer .usage-hero__aside-line {
    writing-mode: vertical-rl;
    letter-spacing: 0.24em;
    line-height: 1.6;
  }
}

/* ---------- 横向编号刻度 ---------- */
.page-disclaimer .usage-rail {
  position: sticky;
  top: var(--header-h);
  z-index: 8;
  background-color: var(--ink-2);
  border-top: 1px solid var(--usage-rule);
  border-bottom: 1px solid var(--usage-rule);
}

.page-disclaimer .usage-rail__inner {
  display: flex;
  align-items: center;
  gap: clamp(14px, 3vw, 34px);
  padding-top: 12px;
  padding-bottom: 12px;
}

.page-disclaimer .usage-rail__caption {
  flex: none;
  font-size: 11px;
  letter-spacing: 0.22em;
  color: var(--copper);
  border-right: 1px solid var(--usage-rule-soft);
  padding-right: clamp(12px, 2vw, 24px);
}

.page-disclaimer .usage-rail__list {
  display: flex;
  align-items: stretch;
  gap: clamp(16px, 4vw, 58px);
  margin: 0;
  padding: 0;
  list-style: none;
  overflow-x: auto;
  scrollbar-width: none;
  -webkit-overflow-scrolling: touch;
}

.page-disclaimer .usage-rail__list::-webkit-scrollbar {
  display: none;
}

.page-disclaimer .usage-rail__item {
  flex: none;
}

.page-disclaimer .usage-rail__link {
  position: relative;
  display: flex;
  align-items: center;
  gap: 10px;
  padding-top: 18px;
  color: var(--steel);
  text-decoration: none;
  transition: color 160ms var(--ease);
}

.page-disclaimer .usage-rail__link::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: var(--usage-rule);
  transition: background-color 160ms var(--ease);
}

.page-disclaimer .usage-rail__dot {
  position: absolute;
  top: -3.5px;
  left: 0;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--copper);
  transition: background-color 160ms var(--ease), box-shadow 160ms var(--ease);
}

.page-disclaimer .usage-rail__num {
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--copper);
  transition: color 160ms var(--ease);
}

.page-disclaimer .usage-rail__label {
  font-size: 14px;
  font-weight: 500;
  white-space: nowrap;
}

.page-disclaimer .usage-rail__link:hover,
.page-disclaimer .usage-rail__link:focus-visible {
  color: var(--gold-hi);
}

.page-disclaimer .usage-rail__link.is-current,
.page-disclaimer .usage-rail__link.is-in {
  color: var(--gold-hi);
}

.page-disclaimer .usage-rail__link.is-current .usage-rail__num,
.page-disclaimer .usage-rail__link.is-in .usage-rail__num {
  color: var(--gold-hi);
}

.page-disclaimer .usage-rail__link.is-current::before,
.page-disclaimer .usage-rail__link.is-in::before {
  background: var(--gold);
}

.page-disclaimer .usage-rail__link.is-current .usage-rail__dot,
.page-disclaimer .usage-rail__link.is-in .usage-rail__dot {
  background: var(--gold-hi);
  box-shadow: 0 0 0 4px rgba(243, 206, 122, 0.18);
}

/* ---------- 条文纸面 ---------- */
.page-disclaimer .usage-sheet {
  background-color: var(--paper);
  color: var(--ink);
  border-bottom: 1px solid var(--usage-rule);
  padding: clamp(34px, 6vw, 82px) 0 clamp(30px, 5vw, 70px);
}

.page-disclaimer .usage-part {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(14px, 2.5vw, 22px);
  padding: clamp(30px, 4.5vw, 56px) 0;
  border-top: 1px solid var(--usage-paper-line);
  scroll-margin-top: calc(var(--header-h) + 84px);
}

.page-disclaimer .usage-part:first-child {
  border-top: 0;
  padding-top: 0;
}

.page-disclaimer .usage-part__aside {
  display: flex;
  align-items: center;
  gap: 14px;
}

.page-disclaimer .usage-part__num {
  font-size: clamp(26px, 3.6vw, 38px);
  font-weight: 700;
  line-height: 1;
  color: var(--cinnabar);
  letter-spacing: 0.04em;
}

.page-disclaimer .usage-part__tag {
  font-size: 12px;
  letter-spacing: 0.26em;
  color: var(--copper);
}

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

.page-disclaimer .usage-part__title {
  margin: 0 0 clamp(14px, 2vw, 22px);
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(21px, 3vw, 31px);
  line-height: 1.42;
  letter-spacing: -0.005em;
  color: var(--ink);
}

.page-disclaimer .usage-part__body p {
  max-width: 38em;
  margin: 0 0 1.1em;
  font-size: 16px;
  line-height: 1.95;
  color: var(--usage-body);
}

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

.page-disclaimer .usage-part__list {
  margin: 0 0 1.3em;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--usage-paper-line);
}

.page-disclaimer .usage-part__list li {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 4px;
  padding: 13px 0;
  border-bottom: 1px solid var(--usage-paper-line);
  font-size: 15px;
  line-height: 1.9;
  color: var(--usage-body);
}

.page-disclaimer .usage-part__list-k {
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--cinnabar);
}

.page-disclaimer .usage-part__note {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 12px;
  margin-top: 6px;
  padding: clamp(16px, 2.4vw, 22px);
  background-color: var(--paper-2);
  border-left: 2px solid var(--gold);
}

.page-disclaimer .usage-part__note p {
  margin: 0;
  max-width: 36em;
  font-size: 15px;
  line-height: 1.9;
  color: var(--usage-body);
}

.page-disclaimer .usage-part__mail {
  color: var(--cinnabar);
  text-decoration: underline;
  text-underline-offset: 4px;
  word-break: break-all;
  transition: color 160ms var(--ease);
}

.page-disclaimer .usage-part__mail:hover,
.page-disclaimer .usage-part__mail:focus-visible {
  color: var(--cinnabar-hi);
}

.page-disclaimer .usage-part__link {
  display: inline-block;
  font-size: 15px;
  color: var(--ink);
  text-decoration: none;
  border-bottom: 1px solid var(--gold);
  padding-bottom: 3px;
  transition: color 160ms var(--ease), border-color 160ms var(--ease);
}

.page-disclaimer .usage-part__link:hover,
.page-disclaimer .usage-part__link:focus-visible {
  color: var(--cinnabar);
  border-color: var(--cinnabar);
}

@media (min-width: 900px) {
  .page-disclaimer .usage-part {
    grid-template-columns: minmax(0, 150px) minmax(0, 1fr);
    column-gap: clamp(30px, 6vw, 98px);
  }

  .page-disclaimer .usage-part__aside {
    flex-direction: column;
    align-items: flex-start;
    gap: 20px;
    padding-top: 6px;
  }

  .page-disclaimer .usage-part__tag {
    writing-mode: vertical-rl;
    letter-spacing: 0.34em;
  }

  .page-disclaimer .usage-part__list li {
    grid-template-columns: minmax(150px, 180px) minmax(0, 1fr);
    gap: 20px;
    align-items: baseline;
  }
}

/* ---------- 更正步骤 ---------- */
.page-disclaimer .usage-steps {
  padding: clamp(38px, 6vw, 84px) 0 clamp(30px, 5vw, 70px);
  background-color: var(--ink);
}

.page-disclaimer .usage-steps .kicker {
  color: var(--gold);
}

.page-disclaimer .usage-steps__title {
  margin: 10px 0 clamp(24px, 3.5vw, 44px);
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(23px, 3.6vw, 38px);
  line-height: 1.32;
  color: var(--paper);
}

.page-disclaimer .usage-steps__list {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(14px, 2.2vw, 22px);
  margin: 0;
  padding: 0;
  list-style: none;
  counter-reset: usage-step;
}

.page-disclaimer .usage-steps__item {
  position: relative;
  padding: clamp(20px, 3vw, 30px);
  background-color: var(--ink-2);
  border: 1px solid var(--usage-rule);
  border-top: 2px solid var(--gold);
}

.page-disclaimer .usage-steps__num {
  display: block;
  font-size: 13px;
  letter-spacing: 0.2em;
  color: var(--gold-hi);
}

.page-disclaimer .usage-steps__title-sm {
  margin: 14px 0 10px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 19px;
  line-height: 1.4;
  color: var(--paper);
}

.page-disclaimer .usage-steps__text {
  margin: 0;
  font-size: 15px;
  line-height: 1.9;
  color: var(--ink-soft);
}

.page-disclaimer .usage-steps__cta {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: clamp(24px, 3.5vw, 40px);
}

@media (min-width: 760px) {
  .page-disclaimer .usage-steps__list {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

/* ---------- 延伸入口 ---------- */
.page-disclaimer .usage-next {
  background-color: var(--ink-2);
  border-top: 1px solid var(--usage-rule);
  padding: clamp(32px, 4.5vw, 62px) 0 clamp(38px, 5vw, 74px);
}

.page-disclaimer .usage-next__title {
  margin: 0 0 clamp(18px, 2.6vw, 30px);
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(20px, 2.6vw, 27px);
  color: var(--paper);
}

.page-disclaimer .usage-next__list {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1px;
  margin: 0;
  padding: 0;
  list-style: none;
  background-color: var(--usage-rule-soft);
  border: 1px solid var(--usage-rule-soft);
}

.page-disclaimer .usage-next__item {
  background-color: var(--ink-2);
}

.page-disclaimer .usage-next__link {
  display: block;
  padding: clamp(16px, 2.4vw, 22px) clamp(16px, 2.6vw, 26px);
  text-decoration: none;
  transition: background-color 160ms var(--ease);
}

.page-disclaimer .usage-next__link:hover,
.page-disclaimer .usage-next__link:focus-visible {
  background-color: var(--ink-2-hi);
}

.page-disclaimer .usage-next__label {
  display: block;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 17px;
  color: var(--gold-hi);
  margin-bottom: 6px;
}

.page-disclaimer .usage-next__desc {
  display: block;
  font-size: 14px;
  line-height: 1.8;
  color: var(--steel);
}

@media (min-width: 760px) {
  .page-disclaimer .usage-next__list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 1100px) {
  .page-disclaimer .usage-next__list {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

/* ---------- 小屏兜底 ---------- */
@media (max-width: 599px) {
  .page-disclaimer .usage-rail__caption {
    display: none;
  }

  .page-disclaimer .usage-hero::before {
    background-size: 25vw 100%;
  }

  .page-disclaimer .usage-part__list li {
    font-size: 14.5px;
  }
}
<<<END>>>