.page-disclaimer {
  --clause-accent: var(--fluo-cyan);
  --usage-gap: clamp(28px, 4vw, 56px);
  --usage-top: 150px;
  background: var(--ink-night);
  color: var(--sand-paper);
  padding-bottom: clamp(64px, 9vw, 120px);
}

.page-disclaimer .breadcrumbs {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  padding-top: clamp(20px, 4vw, 36px);
  font-size: 13px;
  color: var(--mountain-mist);
}

.page-disclaimer .breadcrumbs__item {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.page-disclaimer .breadcrumbs__item a {
  color: var(--mountain-mist);
  text-decoration: none;
}

.page-disclaimer .breadcrumbs__item a:hover {
  color: var(--fluo-cyan);
}

.page-disclaimer .breadcrumbs__item + .breadcrumbs__item::before {
  content: "/";
  color: var(--line-strong);
}

/* 首屏 */
.page-disclaimer .usage-hero {
  padding: clamp(28px, 5vw, 64px) 0 clamp(40px, 6vw, 80px);
}

.page-disclaimer .usage-hero__grid {
  display: grid;
  gap: var(--usage-gap);
}

.page-disclaimer .usage-hero__title {
  margin: 14px 0 18px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(32px, 5.4vw, 62px);
  line-height: 1.05;
  letter-spacing: -0.02em;
  color: var(--sand-paper);
}

.page-disclaimer .usage-hero__lede {
  max-width: 34em;
  margin: 0;
  font-size: clamp(16px, 1.6vw, 18px);
  line-height: 1.85;
  color: var(--text-soft);
}

.page-disclaimer .usage-scale {
  align-self: end;
  padding: 22px 24px 24px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: linear-gradient(158deg, rgba(18, 41, 61, 0.88), rgba(8, 19, 31, 0.62));
}

.page-disclaimer .usage-scale__label {
  margin: 0 0 16px;
  font-size: 12px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--mountain-mist);
}

.page-disclaimer .usage-scale__track {
  height: 22px;
  margin-bottom: 18px;
  border-bottom: 1px solid var(--line);
  background-image: repeating-linear-gradient(90deg, var(--line-strong) 0 1px, transparent 1px 14px);
  background-repeat: repeat-x;
  background-position: left bottom;
  background-size: 14px 14px;
}

.page-disclaimer .usage-scale__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px 20px;
}

.page-disclaimer .usage-scale__value {
  display: block;
  font-family: var(--font-mono);
  font-size: clamp(17px, 1.7vw, 21px);
  letter-spacing: 0.02em;
  color: var(--fluo-cyan);
}

.page-disclaimer .usage-scale__note {
  display: block;
  margin-top: 4px;
  font-style: normal;
  font-size: 13px;
  color: var(--text-dim);
}

/* 主体骨架 */
.page-disclaimer .usage-shell {
  display: grid;
  gap: var(--usage-gap);
}

.page-disclaimer .usage-toc {
  min-width: 0;
  padding-top: 16px;
  border-top: 1px solid var(--line);
}

.page-disclaimer .usage-toc__title {
  margin: 0 0 14px;
  font-size: 12px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--mountain-mist);
}

.page-disclaimer .usage-toc .toc {
  list-style: none;
  margin: 0;
  padding: 0 0 6px;
  display: flex;
  flex-direction: row;
  gap: 8px;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.page-disclaimer .usage-toc .toc li {
  flex: 0 0 auto;
}

.page-disclaimer .toc__link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 14px;
  border: 1px solid var(--line);
  border-radius: var(--radius-pill);
  font-size: 14px;
  white-space: nowrap;
  color: var(--text-dim);
  text-decoration: none;
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease), background-color var(--dur) var(--ease);
}

.page-disclaimer .toc__link:hover {
  color: var(--sand-paper);
  border-color: var(--line-strong);
}

.page-disclaimer .toc__link.is-active {
  color: var(--fluo-cyan);
  border-color: var(--fluo-cyan);
  background: rgba(61, 240, 207, 0.08);
}

.page-disclaimer .toc__num {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
}

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

/* 条款 */
.page-disclaimer .clause {
  padding-top: clamp(26px, 4vw, 44px);
  border-top: 1px solid var(--line);
}

.page-disclaimer .clause + .clause {
  margin-top: clamp(44px, 6vw, 84px);
}

.page-disclaimer .clause__head {
  display: flex;
  gap: 16px;
  align-items: flex-start;
  margin-bottom: 20px;
}

.page-disclaimer .clause__num {
  flex: 0 0 auto;
  padding-top: 6px;
  font-family: var(--font-mono);
  font-size: clamp(20px, 2.2vw, 28px);
  line-height: 1;
  letter-spacing: 0.02em;
  color: var(--clause-accent);
}

.page-disclaimer .clause__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(22px, 2.6vw, 34px);
  line-height: 1.16;
  letter-spacing: -0.01em;
  color: var(--sand-paper);
}

.page-disclaimer .clause__body {
  font-size: 16.5px;
  line-height: 1.85;
  color: var(--text-soft);
}

.page-disclaimer .clause__body p {
  margin: 0 0 16px;
}

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

.page-disclaimer .clause__list {
  list-style: none;
  margin: 0 0 16px;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.page-disclaimer .clause__list li {
  position: relative;
  padding-left: 20px;
}

.page-disclaimer .clause__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.76em;
  width: 9px;
  height: 1px;
  background: var(--clause-accent);
}

.page-disclaimer .clause--cyan { --clause-accent: var(--fluo-cyan); }
.page-disclaimer .clause--orange { --clause-accent: var(--stand-orange); }
.page-disclaimer .clause--mist { --clause-accent: var(--mountain-mist); }
.page-disclaimer .clause--wine { --clause-accent: #E9A2B2; }
.page-disclaimer .clause--indigo { --clause-accent: #8E7FE8; }
.page-disclaimer .clause--felt { --clause-accent: #6FD9B6; }

/* 流程与路径 */
.page-disclaimer .clause-flow {
  list-style: none;
  margin: 24px 0 8px;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px 18px;
}

.page-disclaimer .clause-flow__item {
  padding-top: 12px;
  border-top: 1px dashed var(--line-strong);
  font-size: 14px;
  line-height: 1.6;
  color: var(--text-soft);
}

.page-disclaimer .clause-flow__step {
  display: block;
  margin-bottom: 6px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--fluo-cyan);
}

.page-disclaimer .clause-path {
  display: block;
  width: 100%;
  height: 42px;
  margin: 4px 0 18px;
}

.page-disclaimer .clause-path polyline {
  fill: none;
  stroke: var(--line-strong);
  stroke-width: 1.5;
  stroke-dasharray: 6 6;
}

.page-disclaimer .clause-path circle {
  fill: var(--fluo-cyan);
}

.page-disclaimer .clause-path circle:last-child {
  fill: var(--stand-orange);
}

/* 图片 */
.page-disclaimer .usage-figure {
  margin: 26px 0 0;
}

.page-disclaimer .usage-figure .media__img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  object-fit: cover;
}

.page-disclaimer .usage-figure .media__caption {
  margin-top: 10px;
  font-size: 13px;
  line-height: 1.6;
  color: var(--mountain-mist);
}

/* 提醒块 */
.page-disclaimer .usage-notice {
  margin: 22px 0;
  padding: 18px 22px;
  border-radius: var(--radius-sm);
  background: var(--sand-paper);
  color: var(--ink-night);
  font-size: 15.5px;
  line-height: 1.78;
}

.page-disclaimer .usage-notice p {
  margin: 0;
}

.page-disclaimer .usage-notice strong {
  color: var(--wine-deep);
}

.page-disclaimer .usage-notice--felt {
  background: var(--green-felt);
  color: var(--sand-paper);
  border-left: 3px solid var(--stand-orange);
}

.page-disclaimer .usage-notice--felt strong {
  color: var(--stand-orange);
}

/* 折叠 */
.page-disclaimer .usage-details {
  margin-top: 22px;
  padding: 14px 18px;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: rgba(18, 41, 61, 0.42);
}

.page-disclaimer .usage-details summary {
  display: flex;
  align-items: center;
  gap: 10px;
  list-style: none;
  cursor: pointer;
  font-size: 15px;
  letter-spacing: 0.01em;
  color: var(--fluo-cyan);
}

.page-disclaimer .usage-details summary::-webkit-details-marker {
  display: none;
}

.page-disclaimer .usage-details summary::before {
  content: "+";
  font-family: var(--font-mono);
  font-size: 18px;
  line-height: 1;
  color: var(--stand-orange);
}

.page-disclaimer .usage-details[open] summary::before {
  content: "–";
}

.page-disclaimer .usage-details__body {
  margin-top: 12px;
  padding-top: 12px;
  border-top: 1px solid var(--line);
  font-size: 15px;
  line-height: 1.8;
  color: var(--text-soft);
}

/* 联系与相关栏目 */
.page-disclaimer .usage-contact {
  display: grid;
  gap: 16px;
  margin-top: 24px;
}

.page-disclaimer .usage-contact__item {
  padding-top: 14px;
  border-top: 1px solid var(--line);
}

.page-disclaimer .usage-contact__key {
  display: block;
  margin-bottom: 6px;
  font-size: 12px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--mountain-mist);
}

.page-disclaimer .usage-contact__val {
  display: block;
  font-size: 15.5px;
  line-height: 1.6;
  color: var(--sand-paper);
  word-break: break-word;
}

.page-disclaimer .copy-btn {
  margin-top: 10px;
}

.page-disclaimer .usage-links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: clamp(40px, 6vw, 72px);
  padding-top: 20px;
  border-top: 1px solid var(--line);
}

.page-disclaimer .usage-links__item {
  padding: 8px 16px;
  border: 1px solid var(--line);
  border-radius: var(--radius-pill);
  font-size: 14px;
  color: var(--text-soft);
  text-decoration: none;
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-disclaimer .usage-links__item:hover {
  color: var(--fluo-cyan);
  border-color: var(--fluo-cyan);
}

/* 桌面布局 */
@media (min-width: 900px) {
  .page-disclaimer .usage-hero__grid {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
    align-items: end;
  }

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

@media (min-width: 1024px) {
  .page-disclaimer .usage-shell {
    grid-template-columns: repeat(12, minmax(0, 1fr));
  }

  .page-disclaimer .usage-toc {
    grid-column: 1 / span 3;
    position: sticky;
    top: var(--usage-top);
    align-self: start;
    padding-top: 0;
  }

  .page-disclaimer .usage-toc .toc {
    flex-direction: column;
    gap: 10px;
    overflow-x: visible;
    padding-bottom: 0;
  }

  .page-disclaimer .toc__link {
    border: 0;
    border-left: 2px solid transparent;
    border-radius: 0;
    padding: 4px 0 4px 12px;
    font-size: 14px;
    white-space: normal;
    background: none;
  }

  .page-disclaimer .toc__link.is-active {
    border-left-color: var(--fluo-cyan);
    background: none;
  }

  .page-disclaimer .usage-clauses {
    grid-column: 4 / span 6;
  }

  .page-disclaimer .clause-flow {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

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