.page-disclaimer {
  --usage-measure: 940px;
  padding-bottom: clamp(40px, 7vw, 88px);
  color: var(--cream-70);
  font-family: var(--font-body);
}

.page-disclaimer .breadcrumbs {
  margin: 0 0 clamp(16px, 2.6vw, 26px);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
}

.page-disclaimer .breadcrumbs ol {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
  color: var(--cream-52);
}

.page-disclaimer .breadcrumbs li + li::before {
  content: "/";
  margin-right: 8px;
  color: var(--line);
}

.page-disclaimer .breadcrumbs a {
  color: var(--cream-70);
  text-decoration: none;
  border-bottom: 1px solid var(--line-soft);
  transition: color var(--t-fast) var(--ease), border-color var(--t-fast) var(--ease);
}

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

.page-disclaimer .breadcrumbs [aria-current="page"] {
  color: var(--cyan);
}

.page-disclaimer .usage-rail {
  max-width: var(--usage-measure);
}

.page-disclaimer .usage-hero {
  padding-top: clamp(14px, 2.4vw, 24px);
  border-top: 2px solid var(--line-soft);
}

.page-disclaimer .eyebrow {
  margin: 0;
  color: var(--orange);
}

.page-disclaimer h1 {
  margin: 14px 0 18px;
  max-width: 18ch;
  font-family: var(--font-display);
  font-size: clamp(32px, 6.2vw, 58px);
  font-weight: 700;
  line-height: 1.04;
  letter-spacing: -0.02em;
  color: var(--white);
}

.page-disclaimer .lede {
  max-width: 60ch;
  margin: 0;
  font-size: clamp(15px, 1.9vw, 17px);
  line-height: 1.8;
  color: var(--cream-70);
}

/* 步骤条 */
.page-disclaimer .usage-steps {
  position: relative;
  margin-top: clamp(24px, 4vw, 40px);
  border: 2px solid var(--line);
  background: var(--district);
  box-shadow: var(--shadow-brut-sm);
  overflow: hidden;
}

.page-disclaimer .usage-steps__bg {
  position: absolute;
  inset: 0;
  margin: 0;
  pointer-events: none;
  opacity: 0.16;
}

.page-disclaimer .usage-steps__bg img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: grayscale(1) contrast(1.15);
}

.page-disclaimer .usage-steps__list {
  position: relative;
  z-index: 1;
  display: flex;
  gap: 10px;
  margin: 0;
  padding: 12px;
  list-style: none;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  scrollbar-width: thin;
}

.page-disclaimer .usage-steps__item {
  flex: 0 0 82%;
  scroll-snap-align: start;
}

.page-disclaimer .usage-steps__link {
  display: grid;
  gap: 6px;
  height: 100%;
  padding: 14px 16px 16px;
  background: rgba(7, 26, 22, 0.86);
  border: 1px solid var(--line-soft);
  color: var(--cream);
  text-decoration: none;
  transition: border-color var(--t-fast) var(--ease), background-color var(--t-fast) var(--ease), transform var(--t-fast) var(--ease);
}

.page-disclaimer .usage-steps__link:hover,
.page-disclaimer .usage-steps__link:focus-visible {
  border-color: var(--cyan);
  background: rgba(20, 59, 50, 0.92);
  transform: translateY(-2px);
}

.page-disclaimer .usage-steps__num {
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--cyan);
}

.page-disclaimer .usage-steps__label {
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--white);
}

.page-disclaimer .usage-steps__desc {
  font-size: 13px;
  line-height: 1.65;
  color: var(--cream-52);
}

/* 规则区 */
.page-disclaimer .usage-rules-wrap {
  margin-top: clamp(36px, 6vw, 64px);
}

.page-disclaimer .usage-section-title {
  margin: 0 0 8px;
  font-family: var(--font-display);
  font-size: clamp(24px, 3.6vw, 34px);
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.02em;
  color: var(--white);
}

.page-disclaimer .usage-section-note {
  margin: 0 0 clamp(18px, 3vw, 26px);
  font-size: 14px;
  color: var(--cream-52);
}

.page-disclaimer .usage-rules {
  display: grid;
  gap: 12px;
}

.page-disclaimer .usage-rules .disclosure {
  border: 2px solid var(--line-soft);
  background: var(--panel-soft);
  box-shadow: var(--shadow-brut-sm);
  transition: border-color var(--t-fast) var(--ease);
}

.page-disclaimer .usage-rules .disclosure:hover {
  border-color: var(--line);
}

.page-disclaimer .usage-rules .disclosure h3 {
  margin: 0;
}

.page-disclaimer .disclosure-trigger {
  display: flex;
  align-items: baseline;
  gap: 12px;
  width: 100%;
  padding: 16px 16px 16px 14px;
  border: 0;
  background: none;
  color: var(--cream);
  font-family: var(--font-display);
  font-size: clamp(17px, 2.4vw, 21px);
  font-weight: 700;
  line-height: 1.3;
  letter-spacing: -0.01em;
  text-align: left;
  cursor: pointer;
  transition: color var(--t-fast) var(--ease);
}

.page-disclaimer .disclosure-trigger:hover,
.page-disclaimer .disclosure-trigger:focus-visible {
  color: var(--cyan);
}

.page-disclaimer .rule-index {
  flex: 0 0 auto;
  padding: 2px 6px;
  border: 1px solid var(--line-soft);
  color: var(--orange);
  font-size: 12px;
  letter-spacing: 0.08em;
}

.page-disclaimer .rule-title {
  flex: 1 1 auto;
}

.page-disclaimer .disclosure-trigger::after {
  content: "+";
  flex: 0 0 auto;
  align-self: center;
  font-family: var(--font-mono);
  font-size: 18px;
  font-weight: 400;
  line-height: 1;
  color: var(--orange);
}

.page-disclaimer .disclosure-trigger[aria-expanded="true"] {
  color: var(--white);
  border-bottom: 1px solid var(--line-faint);
}

.page-disclaimer .disclosure-trigger[aria-expanded="true"]::after {
  content: "−";
  color: var(--cyan);
}

.page-disclaimer .disclosure-panel {
  padding: 16px 18px 20px;
}

.page-disclaimer .disclosure-panel > p {
  margin: 0 0 14px;
  font-size: 15px;
  line-height: 1.8;
  color: var(--cream-70);
}

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

.page-disclaimer .rule-list li {
  position: relative;
  padding-left: 22px;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--cream-70);
}

.page-disclaimer .rule-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.72em;
  width: 10px;
  height: 2px;
  background: var(--cyan);
}

/* 底部信息带 */
.page-disclaimer .usage-support {
  margin-top: clamp(36px, 6vw, 64px);
  padding: clamp(20px, 3vw, 30px);
  border-top: 2px solid var(--orange);
  border-bottom: 2px solid var(--orange);
  background: linear-gradient(180deg, rgba(255, 154, 77, 0.12), rgba(255, 154, 77, 0.02));
}

.page-disclaimer .usage-support h2 {
  margin: 0 0 10px;
  font-family: var(--font-display);
  font-size: clamp(20px, 3vw, 26px);
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.01em;
  color: var(--white);
}

.page-disclaimer .usage-support__text {
  margin: 0 0 18px;
  max-width: 56ch;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--cream-70);
}

.page-disclaimer .usage-support__links {
  display: grid;
  gap: 10px;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
}

.page-disclaimer .usage-support__link {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 14px;
  border: 2px solid var(--line-soft);
  background: rgba(7, 26, 22, 0.72);
  color: var(--cream);
  font-size: 14px;
  text-decoration: none;
  transition: border-color var(--t-fast) var(--ease), color var(--t-fast) var(--ease), background-color var(--t-fast) var(--ease);
}

.page-disclaimer .usage-support__link .mono {
  color: var(--orange);
  font-size: 12px;
  letter-spacing: 0.1em;
}

.page-disclaimer .usage-support__link:hover,
.page-disclaimer .usage-support__link:focus-visible {
  border-color: var(--cyan);
  color: var(--white);
  background: rgba(20, 59, 50, 0.9);
}

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

  .page-disclaimer .usage-steps__item {
    flex: 1 1 auto;
    border-left: 1px solid var(--line-soft);
  }

  .page-disclaimer .usage-steps__item:first-child {
    border-left: 0;
  }

  .page-disclaimer .usage-steps__link {
    border: 0;
    background: transparent;
    padding: 20px 18px 22px;
  }

  .page-disclaimer .usage-steps__link:hover,
  .page-disclaimer .usage-steps__link:focus-visible {
    background: rgba(95, 242, 214, 0.08);
    transform: none;
  }
}

@media (min-width: 900px) {
  .page-disclaimer .usage-rail {
    border-left: 2px solid var(--line-soft);
    padding-left: clamp(20px, 3vw, 36px);
  }

  .page-disclaimer .disclosure-panel {
    padding: 20px 24px 26px;
  }

  .page-disclaimer .rule-list li {
    font-size: 15px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-disclaimer .usage-steps__link,
  .page-disclaimer .usage-support__link,
  .page-disclaimer .disclosure-trigger {
    transition: none;
  }

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

@media print {
  .page-disclaimer .usage-steps__bg,
  .page-disclaimer .breadcrumbs {
    display: none;
  }

  .page-disclaimer .disclosure-panel[hidden] {
    display: block;
  }

  .page-disclaimer .usage-support {
    background: none;
  }
}
<<<END>>>