.page-disclaimer {
  --doc-col: 104px;
  --doc-gap: 24px;
  --doc-rule: rgba(30, 62, 80, .85);
  --doc-body: rgba(244, 239, 230, .8);
  --doc-dim: rgba(244, 239, 230, .58);
  color: var(--paper);
  background:
    linear-gradient(180deg, rgba(18, 39, 54, .92) 0, rgba(18, 39, 54, 0) 380px),
    linear-gradient(90deg, rgba(126, 208, 224, .045) 1px, transparent 1px) 0 0 / 96px 100%;
  padding-bottom: 0;
}

.page-disclaimer .doc-wrap {
  max-width: 940px;
  margin-inline: auto;
  padding-top: calc(var(--bar-h) + 36px);
  padding-bottom: 88px;
}

/* ---------- 面包屑 ---------- */
.page-disclaimer .crumbs {
  margin-bottom: 34px;
  font-size: 13px;
  letter-spacing: .04em;
}

.page-disclaimer .crumb-list a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color var(--dur) var(--ease);
}

.page-disclaimer .crumb-list a:hover {
  border-bottom-color: var(--cyan);
}

.page-disclaimer .crumb-sep {
  color: var(--mist);
}

/* ---------- 页首 ---------- */
.page-disclaimer .doc-head {
  position: relative;
  padding-bottom: 8px;
}

.page-disclaimer .eyebrow {
  color: var(--signal);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .22em;
  margin: 0 0 18px;
}

.page-disclaimer .doc-title {
  margin: 0 0 22px;
  font-size: clamp(34px, 7.4vw, 66px);
  font-weight: 900;
  line-height: 1.06;
  letter-spacing: -.02em;
  color: var(--paper);
}

.page-disclaimer .doc-lede {
  max-width: 62ch;
  margin: 0 0 32px;
  font-size: 17px;
  line-height: 1.85;
  color: var(--doc-body);
}

/* 版本刻度线 */
.page-disclaimer .doc-scale {
  display: flex;
  align-items: center;
  gap: 16px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--doc-rule);
}

.page-disclaimer .doc-scale-label {
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .14em;
  color: var(--score);
}

.page-disclaimer .doc-scale-ticks {
  flex: 1 1 auto;
  height: 14px;
  background:
    repeating-linear-gradient(90deg, rgba(126, 208, 224, .38) 0 1px, transparent 1px 9px);
  border-bottom: 1px solid rgba(126, 208, 224, .22);
}

/* ---------- 横幅图 ---------- */
.page-disclaimer .doc-banner {
  position: relative;
  margin: 40px 0 8px;
  overflow: hidden;
  border: 1px solid var(--line-mist);
  background: var(--studio);
}

.page-disclaimer .doc-banner img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  filter: saturate(.9) contrast(1.05);
}

.page-disclaimer .doc-banner .media-caption {
  padding: 10px 14px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .1em;
  color: var(--doc-dim);
  border-top: 1px solid var(--line-mist);
}

/* ---------- 四段条带 ---------- */
.page-disclaimer .doc-body {
  margin-top: 48px;
  border-top: 1px solid var(--doc-rule);
}

.page-disclaimer .doc-item {
  border-bottom: 1px solid var(--doc-rule);
}

.page-disclaimer .doc-summary {
  display: grid;
  grid-template-columns: var(--doc-col) minmax(0, 1fr) 26px;
  align-items: start;
  gap: var(--doc-gap);
  padding: 30px 0;
  cursor: pointer;
  list-style: none;
  transition: background-color var(--dur) var(--ease);
}

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

.page-disclaimer .doc-summary:hover {
  background: rgba(126, 208, 224, .05);
}

.page-disclaimer .doc-summary:focus-visible {
  outline: 2px solid var(--signal);
  outline-offset: 4px;
}

.page-disclaimer .doc-num {
  font-family: var(--font-mono);
  font-size: clamp(38px, 8vw, 68px);
  font-weight: 700;
  line-height: .84;
  letter-spacing: -.03em;
  color: rgba(126, 208, 224, .34);
  transition: color var(--dur) var(--ease);
}

.page-disclaimer .doc-item[open] .doc-num {
  color: var(--signal);
}

.page-disclaimer .doc-heading {
  margin: 6px 0 0;
  min-width: 0;
  font-size: 19px;
  font-weight: 700;
  line-height: 1.55;
  letter-spacing: .01em;
  color: var(--paper);
}

.page-disclaimer .doc-item[open] .doc-heading {
  color: var(--score);
}

.page-disclaimer .doc-toggle {
  position: relative;
  display: block;
  width: 13px;
  height: 13px;
  margin-top: 10px;
  justify-self: end;
}

.page-disclaimer .doc-toggle::before,
.page-disclaimer .doc-toggle::after {
  content: "";
  position: absolute;
  background: var(--cyan);
  transition: transform var(--dur) var(--ease), background-color var(--dur) var(--ease);
}

.page-disclaimer .doc-toggle::before {
  top: 6px;
  left: 0;
  width: 13px;
  height: 1.5px;
}

.page-disclaimer .doc-toggle::after {
  top: 0;
  left: 6px;
  width: 1.5px;
  height: 13px;
}

.page-disclaimer .doc-item[open] .doc-toggle::after {
  transform: scaleY(0);
}

.page-disclaimer .doc-item[open] .doc-toggle::before {
  background: var(--signal);
}

/* 展开内容 */
.page-disclaimer .doc-content {
  padding: 0 26px 34px calc(var(--doc-col) + var(--doc-gap));
}

.page-disclaimer .doc-content p {
  max-width: 68ch;
  margin: 0 0 16px;
  font-size: 16px;
  line-height: 1.82;
  color: var(--doc-body);
}

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

.page-disclaimer .doc-content a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(126, 208, 224, .45);
  transition: border-color var(--dur) var(--ease), color var(--dur) var(--ease);
}

.page-disclaimer .doc-content a:hover {
  color: var(--paper);
  border-bottom-color: var(--signal);
}

.page-disclaimer .hl {
  color: var(--paper);
  border-bottom: 2px solid var(--score);
  padding-bottom: 1px;
}

/* 无序条目 */
.page-disclaimer .doc-list {
  list-style: none;
  margin: 0 0 18px;
  padding: 0;
  display: grid;
  gap: 10px;
  max-width: 68ch;
}

.page-disclaimer .doc-list li {
  position: relative;
  padding-left: 24px;
  font-size: 15.5px;
  line-height: 1.75;
  color: var(--doc-body);
}

.page-disclaimer .doc-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .78em;
  width: 13px;
  height: 2px;
  background: var(--signal);
}

/* 反馈四步 */
.page-disclaimer .doc-steps {
  counter-reset: docstep;
  list-style: none;
  margin: 0 0 20px;
  padding: 0;
  display: grid;
  gap: 12px;
  max-width: 66ch;
}

.page-disclaimer .doc-steps li {
  counter-increment: docstep;
  position: relative;
  padding: 10px 0 10px 46px;
  font-size: 15.5px;
  line-height: 1.7;
  color: var(--doc-body);
  border-bottom: 1px dashed rgba(30, 62, 80, .9);
}

.page-disclaimer .doc-steps li:last-child {
  border-bottom: 0;
}

.page-disclaimer .doc-steps li::before {
  content: counter(docstep, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 12px;
  font-family: var(--font-mono);
  font-size: 14px;
  font-weight: 700;
  letter-spacing: .06em;
  color: var(--score);
}

/* ---------- 收尾条带 ---------- */
.page-disclaimer .doc-tail {
  margin-top: 56px;
  padding: 26px 28px;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  background: var(--studio);
  border: 1px solid var(--line-mist);
  border-left: 4px solid var(--signal);
}

.page-disclaimer .doc-tail-text {
  flex: 1 1 320px;
  margin: 0;
  font-size: 15.5px;
  line-height: 1.75;
  color: var(--doc-body);
}

.page-disclaimer .doc-tail-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

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

/* ---------- 窄屏 ---------- */
@media (max-width: 720px) {
  .page-disclaimer {
    --doc-col: 54px;
    --doc-gap: 14px;
  }

  .page-disclaimer .doc-wrap {
    padding-top: calc(var(--bar-h) + 24px);
    padding-bottom: 64px;
  }

  .page-disclaimer .crumbs {
    margin-bottom: 24px;
  }

  .page-disclaimer .doc-lede {
    font-size: 16px;
    line-height: 1.78;
  }

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

  .page-disclaimer .doc-scale-ticks {
    flex-basis: 100%;
  }

  .page-disclaimer .doc-banner {
    margin-top: 28px;
  }

  .page-disclaimer .doc-body {
    margin-top: 34px;
  }

  .page-disclaimer .doc-summary {
    grid-template-columns: var(--doc-col) minmax(0, 1fr) 22px;
    padding: 22px 0;
  }

  .page-disclaimer .doc-num {
    font-size: 40px;
  }

  .page-disclaimer .doc-heading {
    margin-top: 2px;
    font-size: 16.5px;
    line-height: 1.5;
  }

  .page-disclaimer .doc-content {
    padding: 0 0 26px 0;
  }

  .page-disclaimer .doc-content p,
  .page-disclaimer .doc-list li,
  .page-disclaimer .doc-steps li {
    font-size: 15px;
    line-height: 1.78;
  }

  .page-disclaimer .doc-tail {
    margin-top: 40px;
    padding: 22px 18px;
  }

  .page-disclaimer .doc-tail-actions {
    width: 100%;
  }

  .page-disclaimer .doc-tail-actions .btn {
    flex: 1 1 auto;
    text-align: center;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-disclaimer .doc-num,
  .page-disclaimer .doc-toggle::before,
  .page-disclaimer .doc-toggle::after,
  .page-disclaimer .doc-summary {
    transition: none;
  }
}
<<<END>>>