.page-disclaimer {
  display: block;
  color: var(--ink);
  font-family: var(--font-sans);
  padding-block: clamp(18px, 3vw, 34px) clamp(52px, 9vw, 104px);
}

.page-disclaimer .crumbs {
  margin-bottom: clamp(14px, 3vw, 22px);
}

/* 文档头 */
.page-disclaimer .doc-head {
  position: relative;
  overflow: hidden;
  padding: clamp(22px, 4vw, 44px);
  border: 1px solid var(--line-blue);
  border-radius: var(--radius-lg);
  background: var(--night-800);
}

.page-disclaimer .doc-head::after {
  content: "";
  position: absolute;
  inset: auto -12% -70% 38%;
  height: 240px;
  background: radial-gradient(closest-side, rgba(233, 180, 76, 0.2), transparent 72%);
  pointer-events: none;
}

.page-disclaimer .doc-head > * {
  position: relative;
  z-index: 1;
}

.page-disclaimer .doc-head h1 {
  margin: 12px 0 0;
  max-width: 20ch;
  font-size: clamp(27px, 6vw, 44px);
  font-weight: 900;
  line-height: 1.16;
  letter-spacing: -0.02em;
  color: var(--snow);
}

.page-disclaimer .doc-head .lede {
  margin: 16px 0 0;
  max-width: 40em;
  color: var(--mist);
}

/* 返回知识中心轻量条 */
.page-disclaimer .doc-strip {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  margin-top: clamp(14px, 2.5vw, 20px);
  padding: 14px 18px;
  border: 1px dashed var(--line-blue);
  border-radius: var(--radius-pill);
  background: rgba(18, 41, 74, 0.45);
}

.page-disclaimer .doc-strip p {
  flex: 1 1 20em;
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--mist);
}

/* 双栏文档布局 */
.page-disclaimer .doc-layout {
  display: grid;
  gap: clamp(22px, 4vw, 40px);
  margin-top: clamp(26px, 4vw, 44px);
}

.page-disclaimer .doc-rail__title {
  margin: 0 0 10px;
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--fog);
}

.page-disclaimer .doc-rail__list {
  display: flex;
  gap: 8px;
  margin: 0;
  padding: 0 0 6px;
  list-style: none;
  overflow-x: auto;
  scrollbar-width: none;
}

.page-disclaimer .doc-rail__list::-webkit-scrollbar {
  display: none;
}

.page-disclaimer .doc-rail__link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 15px;
  white-space: nowrap;
  font-size: 13px;
  color: var(--mist);
  text-decoration: none;
  border: 1px solid var(--line-blue);
  border-radius: var(--radius-pill);
  background: var(--night-800);
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease), background-color var(--dur) var(--ease);
}

.page-disclaimer .doc-rail__link:hover,
.page-disclaimer .doc-rail__link:focus-visible {
  color: var(--snow);
  border-color: var(--gold);
  background: var(--night-700);
}

.page-disclaimer .doc-rail__num {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--gold);
}

/* 章节 */
.page-disclaimer .doc-section {
  padding-top: clamp(16px, 3vw, 26px);
  border-top: 1px solid var(--line-blue);
}

.page-disclaimer .doc-section--blue { --accent: var(--flag-blue); }
.page-disclaimer .doc-section--gold { --accent: var(--gold); }
.page-disclaimer .doc-section--green { --accent: var(--flag-green); }
.page-disclaimer .doc-section--red { --accent: var(--flag-red); }

.page-disclaimer .doc-section__index {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 0;
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--mist);
}

.page-disclaimer .doc-section__index::after {
  content: "";
  width: 44px;
  height: 2px;
  border-radius: 2px;
  background: var(--accent, var(--gold));
}

.page-disclaimer .doc-section h2 {
  margin: 12px 0 0;
  font-size: clamp(21px, 4.6vw, 28px);
  font-weight: 900;
  line-height: 1.3;
  letter-spacing: -0.02em;
  color: var(--snow);
}

.page-disclaimer .doc-section p {
  max-width: 36em;
  margin: 14px 0 0;
  font-size: 15px;
  line-height: 1.78;
  color: var(--ink);
}

.page-disclaimer .doc-section p a {
  color: var(--gold-soft);
  text-decoration: none;
  border-bottom: 1px solid rgba(246, 210, 138, 0.45);
}

.page-disclaimer .doc-section p a:hover,
.page-disclaimer .doc-section p a:focus-visible {
  color: var(--snow);
  border-bottom-color: var(--gold);
}

/* 字段标签 */
.page-disclaimer .field-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 16px 0 0;
  padding: 0;
  list-style: none;
}

/* 版本对比图 */
.page-disclaimer .figure-card {
  margin: clamp(20px, 3.5vw, 30px) 0 0;
  overflow: hidden;
  border: 1px solid var(--line-blue);
  border-radius: var(--radius-md);
  background: var(--night-800);
}

.page-disclaimer .figure-card img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
}

.page-disclaimer .figure-card__cap {
  padding: 12px 16px 14px;
  font-size: 13px;
  line-height: 1.65;
  color: var(--fog);
  border-top: 1px solid var(--line-blue);
}

/* 排查步骤 */
.page-disclaimer .step-list {
  display: grid;
  gap: 12px;
  margin-top: clamp(18px, 3vw, 26px);
}

.page-disclaimer .step {
  overflow: hidden;
  border: 1px solid var(--line-blue);
  border-radius: var(--radius-md);
  background: var(--night-800);
  transition: border-color var(--dur) var(--ease), background-color var(--dur) var(--ease);
}

.page-disclaimer .step[open] {
  border-color: var(--gold);
  background: var(--night-700);
}

.page-disclaimer .step summary {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 15px 17px;
  cursor: pointer;
  list-style: none;
}

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

.page-disclaimer .step summary:focus-visible {
  outline: 2px solid var(--gold-soft);
  outline-offset: -2px;
}

.page-disclaimer .step__num {
  flex: 0 0 auto;
  display: grid;
  place-items: center;
  width: 34px;
  height: 34px;
  border: 1px solid var(--line-blue);
  border-radius: 50%;
  background: var(--night-900);
  color: var(--gold);
  font-family: var(--font-mono);
  font-size: 14px;
  transition: background-color var(--dur) var(--ease), color var(--dur) var(--ease);
}

.page-disclaimer .step[open] .step__num {
  background: var(--gold);
  border-color: var(--gold);
  color: var(--gold-ink);
}

.page-disclaimer .step__title {
  flex: 1 1 auto;
  font-size: 15px;
  font-weight: 700;
  line-height: 1.5;
  color: var(--snow);
}

.page-disclaimer .step summary::after {
  content: "+";
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: 17px;
  line-height: 1;
  color: var(--gold);
  transition: transform var(--dur) var(--ease);
}

.page-disclaimer .step[open] summary::after {
  content: "−";
}

.page-disclaimer .step__body {
  padding: 0 17px 18px;
  font-size: 15px;
  line-height: 1.78;
  color: var(--ink);
}

/* 结尾提示 */
.page-disclaimer .doc-foot-note {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-top: clamp(30px, 5vw, 52px);
  padding: clamp(18px, 3vw, 26px);
  border: 1px solid var(--line-blue);
  border-radius: var(--radius-md);
  background: linear-gradient(140deg, var(--night-700), var(--night-800) 70%);
}

.page-disclaimer .doc-foot-note p {
  flex: 1 1 22em;
  margin: 0;
  max-width: 40em;
  font-size: 14px;
  line-height: 1.75;
  color: var(--mist);
}

.page-disclaimer .doc-foot-note__links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

/* 桌面端 */
@media (min-width: 900px) {
  .page-disclaimer .doc-layout {
    grid-template-columns: 190px minmax(0, 1fr);
    gap: clamp(32px, 4vw, 64px);
  }

  .page-disclaimer .doc-rail {
    position: sticky;
    top: 96px;
    align-self: start;
  }

  .page-disclaimer .doc-rail__list {
    flex-direction: column;
    gap: 6px;
    overflow: visible;
    padding-bottom: 0;
  }

  .page-disclaimer .doc-rail__link {
    width: 100%;
    border-color: transparent;
    background: transparent;
    padding: 9px 12px;
  }

  .page-disclaimer .doc-section p {
    font-size: 15.5px;
  }

  .page-disclaimer .step__body {
    padding: 2px 24px 20px 74px;
  }
}

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