.page-disclaimer {
  --doc-radius: 2px;
  --doc-gap: clamp(20px, 3vw, 32px);
  --doc-rail-w: 248px;
  background: var(--c-ink);
  color: var(--c-text);
  padding-bottom: clamp(48px, 8vw, 96px);
}

/* 页首横幅 */
.page-disclaimer .doc-banner {
  position: relative;
  overflow: hidden;
  border-bottom: 1px solid var(--c-line-2);
  background:
    linear-gradient(135deg, transparent 58%, rgba(63, 169, 142, .16) 58.2%, rgba(63, 169, 142, .16) 74%, transparent 74.2%),
    linear-gradient(115deg, rgba(255, 122, 41, .14) 0%, rgba(255, 122, 41, 0) 42%),
    var(--c-plate);
}

.page-disclaimer .doc-banner-img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: clamp(120px, 22vw, 220px);
  object-fit: cover;
  object-position: center;
  opacity: .5;
}

.page-disclaimer .doc-banner-copy {
  padding: clamp(24px, 4vw, 44px) var(--gutter) clamp(28px, 5vw, 52px);
  max-width: 900px;
}

.page-disclaimer .doc-banner-code {
  margin: 0 0 12px;
  font-size: 13px;
  letter-spacing: .08em;
  color: var(--c-celadon);
}

.page-disclaimer .doc-banner h1 {
  margin: 0 0 16px;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: clamp(26px, 5vw, 40px);
  line-height: 1.28;
  letter-spacing: -.01em;
  color: var(--c-text);
}

.page-disclaimer .doc-banner-lead {
  margin: 0;
  max-width: 46em;
  font-size: 16px;
  line-height: 1.85;
  color: var(--c-text);
}

/* 主体双栏 */
.page-disclaimer .doc-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--doc-gap);
  padding-top: clamp(32px, 6vw, 64px);
}

/* 左侧条款目录 */
.page-disclaimer .doc-rail {
  align-self: start;
  background: var(--c-plate);
  border: 1px solid var(--c-line);
  border-radius: var(--doc-radius);
  padding: 20px 18px;
}

.page-disclaimer .doc-rail .section-label {
  margin: 0 0 14px;
}

.page-disclaimer .doc-toc {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.page-disclaimer .doc-toc .toc-link {
  flex: 1 1 auto;
  min-width: 0;
  padding: 8px 12px;
  border: 1px solid var(--c-line-2);
  border-radius: var(--doc-radius);
  font-size: 14px;
  line-height: 1.5;
  color: var(--c-text);
  text-decoration: none;
  transition: border-color .2s var(--ease), color .2s var(--ease), background-color .2s var(--ease);
}

.page-disclaimer .doc-toc .toc-link:hover,
.page-disclaimer .doc-toc .toc-link:focus-visible {
  border-color: var(--c-celadon);
  color: var(--c-celadon);
  background: rgba(63, 169, 142, .08);
}

.page-disclaimer .doc-rail-note {
  margin: 16px 0 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--c-muted);
}

/* 右侧内容列 */
.page-disclaimer .doc-body {
  min-width: 0;
}

.page-disclaimer .doc-intro .intro-split {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
  margin-top: 18px;
}

.page-disclaimer .intro-stamp {
  background: linear-gradient(160deg, var(--c-plate-2), var(--c-plate));
  border: 1px solid var(--c-line-2);
  border-left: 3px solid var(--c-signal);
  border-radius: var(--doc-radius);
  padding: 18px 20px;
}

.page-disclaimer .intro-stamp-code {
  margin: 0 0 10px;
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--c-muted);
}

.page-disclaimer .intro-stamp-state {
  margin: 0 0 8px;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 22px;
  color: var(--c-celadon);
}

.page-disclaimer .intro-stamp-desc {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--c-text);
}

/* 条款面板 */
.page-disclaimer .doc-clauses .section-title {
  margin-bottom: 20px;
}

.page-disclaimer .doc-clause {
  scroll-margin-top: 96px;
  background: var(--c-plate);
  border: 1px solid var(--c-line);
  border-radius: var(--doc-radius);
  margin-bottom: 14px;
  overflow: hidden;
  transition: border-color .24s var(--ease), background-color .24s var(--ease);
}

.page-disclaimer .doc-clause:hover {
  border-color: var(--c-line-2);
}

.page-disclaimer .doc-clause[open] {
  border-color: var(--c-celadon);
  background: var(--c-plate-2);
}

.page-disclaimer .doc-clause-head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 10px 14px;
  padding: 16px 18px;
  cursor: pointer;
  list-style: none;
  transition: color .2s var(--ease);
}

.page-disclaimer .doc-clause-head::-webkit-details-marker {
  display: none;
}

.page-disclaimer .doc-clause-head:focus-visible {
  outline: 2px solid var(--c-celadon);
  outline-offset: -2px;
}

.page-disclaimer .doc-clause-no {
  font-size: 13px;
  letter-spacing: .1em;
  color: var(--c-signal);
  flex: none;
}

.page-disclaimer .doc-clause-title {
  flex: 1 1 60%;
  min-width: 0;
  font-family: var(--font-head);
  font-weight: 600;
  font-size: clamp(17px, 2.4vw, 20px);
  line-height: 1.45;
  color: var(--c-text);
}

.page-disclaimer .doc-clause-hint {
  flex: none;
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--c-muted);
}

.page-disclaimer .doc-clause[open] .doc-clause-hint {
  color: var(--c-celadon);
}

.page-disclaimer .doc-clause-summary {
  padding: 0 18px 16px;
}

.page-disclaimer .doc-clause-summary p {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--c-muted);
}

.page-disclaimer .doc-clause[open] .doc-clause-summary p {
  color: var(--c-text);
}

.page-disclaimer .doc-clause-body {
  padding: 4px 18px 22px;
  border-top: 1px dashed var(--c-line-2);
}

.page-disclaimer .doc-clause-body p {
  margin: 14px 0 0;
  font-size: 15px;
  line-height: 1.85;
  color: var(--c-text);
}

.page-disclaimer .doc-clause-body a {
  color: var(--c-celadon);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-disclaimer .doc-clause-body a:hover {
  color: var(--c-signal-soft);
}

.page-disclaimer .doc-list {
  margin: 18px 0 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--c-line);
}

.page-disclaimer .doc-list li {
  position: relative;
  padding: 12px 0 12px 22px;
  font-size: 14px;
  line-height: 1.8;
  color: var(--c-text);
  border-bottom: 1px solid var(--c-line);
}

.page-disclaimer .doc-list li::before {
  content: "";
  position: absolute;
  left: 2px;
  top: 20px;
  width: 7px;
  height: 7px;
  background: var(--c-celadon);
  transform: rotate(45deg);
}

/* 联系卡片 */
.page-disclaimer .doc-feedback {
  margin-top: clamp(28px, 5vw, 48px);
}

.page-disclaimer .feedback-card {
  margin-top: 18px;
  background: var(--c-archive);
  border: 1px solid var(--c-paper-line);
  border-radius: var(--doc-radius);
  padding: 22px 20px;
  color: var(--c-text-dark);
}

.page-disclaimer .feedback-line {
  margin: 14px 0 4px;
  font-size: 13px;
  letter-spacing: .04em;
  color: var(--c-muted-dark);
}

.page-disclaimer .feedback-mail,
.page-disclaimer .feedback-phone {
  margin: 0;
  font-size: 17px;
  word-break: break-all;
  color: var(--c-text-dark);
}

.page-disclaimer .feedback-phone {
  font-weight: 700;
}

.page-disclaimer .card-divider {
  margin: 18px 0 0;
  border-top: 1px solid var(--c-paper-line);
}

.page-disclaimer .feedback-note {
  margin: 14px 0 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--c-muted-dark);
}

.page-disclaimer .feedback-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 20px;
}

.page-disclaimer .feedback-actions .btn {
  text-decoration: none;
}

/* 桌面端：左侧固定目录 + 右内容 */
@media (min-width: 900px) {
  .page-disclaimer .doc-layout {
    grid-template-columns: var(--doc-rail-w) minmax(0, 1fr);
    gap: clamp(32px, 5vw, 64px);
    align-items: start;
  }

  .page-disclaimer .doc-rail {
    position: sticky;
    top: calc(76px + 20px);
  }

  .page-disclaimer .doc-toc {
    flex-direction: column;
    flex-wrap: nowrap;
  }

  .page-disclaimer .doc-toc .toc-link {
    flex: 0 0 auto;
  }

  .page-disclaimer .doc-intro .intro-split {
    grid-template-columns: minmax(0, 1fr) minmax(240px, 300px);
    gap: 28px;
    align-items: start;
  }

  .page-disclaimer .doc-clause-head {
    flex-wrap: nowrap;
    padding: 20px 24px;
    gap: 18px;
  }

  .page-disclaimer .doc-clause-summary {
    padding: 0 24px 18px;
  }

  .page-disclaimer .doc-clause-body {
    padding: 6px 24px 26px;
  }

  .page-disclaimer .doc-clause-body p {
    max-width: 42em;
  }

  .page-disclaimer .feedback-card {
    padding: 28px 32px;
  }
}

@media (min-width: 1200px) {
  .page-disclaimer .doc-intro .intro-split {
    grid-template-columns: minmax(0, 1fr) 320px;
    gap: 40px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-disclaimer .doc-clause,
  .page-disclaimer .doc-toc .toc-link,
  .page-disclaimer .doc-clause-head {
    transition: none;
  }
}
<<<END>>>