.page-disclaimer {
  --usage-rail: 236px;
  --usage-num-col: 64px;
  --usage-rule-line: rgba(10, 26, 42, .14);
  --usage-rule-line-strong: rgba(10, 26, 42, .24);
  --usage-gold-deep: #8A5D0B;
}

.page-disclaimer img {
  display: block;
  max-width: 100%;
  height: auto;
}

/* ---------- 顶部暖金细带 ---------- */
.page-disclaimer .usage-band {
  height: 6px;
  background: linear-gradient(90deg, var(--gold) 0%, var(--gold-pale) 52%, var(--cyan) 100%);
}

/* ---------- 首屏 ---------- */
.page-disclaimer .usage-hero {
  position: relative;
  padding: clamp(1.5rem, 4vw, 2.5rem) 0 clamp(2.25rem, 5vw, 3.5rem);
  background:
    radial-gradient(circle at 84% 8%, rgba(31, 227, 196, .16), transparent 56%),
    radial-gradient(circle at 6% 92%, rgba(244, 183, 64, .12), transparent 52%),
    linear-gradient(180deg, var(--deep) 0%, var(--midnight) 100%);
  color: var(--cedar);
  overflow: hidden;
}

.page-disclaimer .usage-hero::after {
  content: "";
  position: absolute;
  inset: auto 0 0 0;
  height: 8px;
  background: linear-gradient(90deg, var(--cyan), var(--gold));
}

.page-disclaimer .crumbs {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: .5rem;
  font-family: var(--font-mono);
  font-size: .8125rem;
  color: var(--cool-gray);
}

.page-disclaimer .crumbs a {
  color: var(--cedar);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color var(--t-fast), color var(--t-fast);
}

.page-disclaimer .crumbs a:hover {
  color: var(--mist);
  border-bottom-color: var(--mist);
}

.page-disclaimer .crumbs-sep {
  color: var(--line-strong);
}

.page-disclaimer .usage-eyebrow {
  margin-top: clamp(1.25rem, 3vw, 1.9rem);
  font-family: var(--font-mono);
  font-size: .8125rem;
  letter-spacing: .18em;
  color: var(--gold);
}

.page-disclaimer .usage-title {
  margin: .6rem 0 0;
  font-family: var(--font-head);
  font-size: clamp(2.4rem, 7.5vw, 4.4rem);
  font-weight: 900;
  letter-spacing: .04em;
  line-height: 1.06;
  color: var(--white);
}

.page-disclaimer .usage-lede {
  margin-top: clamp(1rem, 2.4vw, 1.5rem);
  max-width: 62ch;
  font-size: clamp(1rem, 1.6vw, 1.125rem);
  line-height: 1.8;
  color: var(--cedar);
}

.page-disclaimer .usage-figure {
  margin-top: clamp(1.5rem, 3.5vw, 2.5rem);
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--line);
}

.page-disclaimer .usage-figure img {
  width: 100%;
  height: auto;
  object-fit: cover;
  aspect-ratio: 1200 / 480;
}

.page-disclaimer .usage-figure .figure-cap {
  padding: .85rem 1.1rem;
  font-size: .875rem;
  line-height: 1.7;
  color: var(--cool-gray);
}

/* ---------- 检索路径 ---------- */
.page-disclaimer .path-section {
  position: relative;
  padding: clamp(2.25rem, 5vw, 3.5rem) 0;
  background: linear-gradient(180deg, var(--midnight) 0%, var(--deep) 100%);
  color: var(--cedar);
}

.page-disclaimer .path-title {
  font-family: var(--font-head);
  font-size: clamp(1.35rem, 3.2vw, 2rem);
  font-weight: 800;
  letter-spacing: .03em;
  color: var(--white);
  padding-left: .85rem;
  border-left: 4px solid var(--cyan);
}

.page-disclaimer .path-lede {
  margin-top: .9rem;
  max-width: 64ch;
  font-size: .98rem;
  line-height: 1.8;
  color: var(--cool-gray);
}

.page-disclaimer .path-svg {
  display: block;
  width: 100%;
  height: auto;
  margin: clamp(1.25rem, 3vw, 2rem) 0 .5rem;
}

.page-disclaimer .path-map {
  display: grid;
  gap: .9rem;
}

.page-disclaimer .path-step {
  display: block;
  padding: 1.15rem 1.25rem;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, .035);
  color: var(--cedar);
  text-decoration: none;
  transition: border-color var(--t-fast), background-color var(--t-fast), transform var(--t-fast);
}

.page-disclaimer .path-step:hover,
.page-disclaimer .path-step:focus-visible {
  border-color: var(--cyan);
  background: rgba(31, 227, 196, .09);
  transform: translateY(-3px);
}

.page-disclaimer .path-step-num {
  display: block;
  font-size: .75rem;
  letter-spacing: .16em;
  color: var(--gold);
}

.page-disclaimer .path-step-title {
  display: block;
  margin: .45rem 0 .4rem;
  font-family: var(--font-head);
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--white);
}

.page-disclaimer .path-step-desc {
  display: block;
  font-size: .9rem;
  line-height: 1.72;
  color: var(--cool-gray);
}

/* ---------- 条款主体 ---------- */
.page-disclaimer .usage-body {
  padding: clamp(2.25rem, 5vw, 3.75rem) 0 clamp(2.5rem, 6vw, 4.25rem);
  background: var(--cedar);
  color: var(--ink-text);
}

.page-disclaimer .usage-layout {
  display: grid;
  gap: clamp(1.75rem, 4vw, 2.75rem);
}

.page-disclaimer .usage-clause {
  border-top: 2px solid var(--usage-rule-line-strong);
  padding-top: 1.1rem;
}

.page-disclaimer .usage-clause + .usage-clause {
  margin-top: clamp(1.75rem, 3.8vw, 2.9rem);
}

.page-disclaimer .clause-head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: .6rem .9rem;
  margin-bottom: .9rem;
}

.page-disclaimer .clause-num {
  font-size: 1.3rem;
  font-weight: 700;
  letter-spacing: .06em;
  color: var(--usage-gold-deep);
}

.page-disclaimer .clause-title {
  flex: 1 1 12rem;
  margin: 0;
  font-family: var(--font-head);
  font-size: clamp(1.1rem, 2.6vw, 1.5rem);
  font-weight: 800;
  letter-spacing: .02em;
  color: var(--deep);
}

.page-disclaimer .clause-copy {
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: .75rem;
  letter-spacing: .06em;
  padding: .32rem .7rem;
  border: 1px solid var(--usage-rule-line-strong);
  border-radius: 999px;
  background: transparent;
  color: var(--ink-text);
  cursor: pointer;
  transition: border-color var(--t-fast), color var(--t-fast), background-color var(--t-fast);
}

.page-disclaimer .clause-copy:hover,
.page-disclaimer .clause-copy:focus-visible {
  border-color: var(--cyan);
  background: rgba(31, 227, 196, .16);
  color: var(--deep);
}

.page-disclaimer .rule-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-disclaimer .rule-item {
  display: grid;
  grid-template-columns: var(--usage-num-col) minmax(0, 1fr);
  gap: .35rem 1rem;
  padding: .72rem 0;
  border-bottom: 1px dashed var(--usage-rule-line);
}

.page-disclaimer .rule-item:last-child {
  border-bottom: none;
}

.page-disclaimer .rule-num {
  font-size: .8125rem;
  letter-spacing: .04em;
  color: var(--usage-gold-deep);
  padding-top: .15rem;
}

.page-disclaimer .rule-text {
  margin: 0;
  font-size: 1rem;
  line-height: 1.78;
}

.page-disclaimer .rule-text strong {
  font-weight: 700;
  color: var(--deep);
}

.page-disclaimer .clause-note {
  margin: .85rem 0 0;
  padding-left: calc(var(--usage-num-col) + 1rem);
  font-size: .875rem;
  line-height: 1.72;
  color: #4C6478;
}

/* ---------- 右栏 ---------- */
.page-disclaimer .usage-rail {
  display: grid;
  gap: 1rem;
  align-content: start;
}

.page-disclaimer .rail-card {
  padding: 1rem 1.15rem 1.15rem;
  border: 1px solid var(--usage-rule-line);
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, .72);
}

.page-disclaimer .rail-title {
  margin: 0 0 .5rem;
  font-family: var(--font-mono);
  font-size: .75rem;
  letter-spacing: .16em;
  color: var(--usage-gold-deep);
}

.page-disclaimer .rail-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-disclaimer .rail-link {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: .75rem;
  padding: .55rem 0;
  border-bottom: 1px dashed var(--usage-rule-line);
  font-family: var(--font-mono);
  font-size: .8125rem;
  color: var(--ink-text);
  text-decoration: none;
  transition: color var(--t-fast);
}

.page-disclaimer .rail-list li:last-child .rail-link {
  border-bottom: none;
}

.page-disclaimer .rail-link::after {
  content: "→";
  font-family: var(--font-mono);
  opacity: 0;
  transform: translateX(-5px);
  transition: opacity var(--t-fast), transform var(--t-fast);
  color: var(--deep);
}

.page-disclaimer .rail-link:hover,
.page-disclaimer .rail-link:focus-visible {
  color: var(--deep);
}

.page-disclaimer .rail-link:hover::after,
.page-disclaimer .rail-link:focus-visible::after {
  opacity: 1;
  transform: translateX(0);
}

.page-disclaimer .rail-note {
  margin: 0;
  font-size: .75rem;
  line-height: 1.9;
  color: #4C6478;
}

/* ---------- 响应式 ---------- */
@media (min-width: 760px) {
  .page-disclaimer .path-map {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (min-width: 1000px) {
  .page-disclaimer .usage-layout {
    grid-template-columns: minmax(0, 1fr) var(--usage-rail);
  }

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

@media (max-width: 639px) {
  .page-disclaimer {
    --usage-num-col: 100%;
  }

  .page-disclaimer .rule-item {
    grid-template-columns: minmax(0, 1fr);
    gap: .15rem;
    padding: .8rem 0;
  }

  .page-disclaimer .clause-note {
    padding-left: 0;
  }

  .page-disclaimer .path-svg {
    margin-top: 1rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-disclaimer .path-step,
  .page-disclaimer .rail-link::after,
  .page-disclaimer .clause-copy {
    transition: none;
  }

  .page-disclaimer .path-step:hover,
  .page-disclaimer .path-step:focus-visible {
    transform: none;
  }
}
<<<END>>>