.page-disclaimer {
  --d-rail-w: 272px;
  --d-gap: clamp(30px, 4vw, 68px);
  --d-rule: 1px solid var(--ab-line);
  color: var(--ab-body);
}

/* ---------- 顶部说明区 ---------- */

.page-disclaimer .doc-hero {
  padding-bottom: clamp(36px, 5vw, 72px);
}

.page-disclaimer .breadcrumb {
  margin-bottom: clamp(22px, 3.4vw, 44px);
}

.page-disclaimer .doc-hero__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(26px, 3.6vw, 46px);
  align-items: start;
}

.page-disclaimer .doc-hero__title {
  font-family: var(--ab-font-display);
  font-weight: 900;
  font-size: clamp(34px, 6vw, 66px);
  line-height: 1.06;
  letter-spacing: -.02em;
  color: var(--ab-ink);
  margin: 6px 0 20px;
  max-width: 18ch;
}

.page-disclaimer .doc-hero__lead {
  max-width: 56ch;
  margin: 0;
  font-size: clamp(15.5px, 1.3vw, 18px);
  line-height: 1.78;
  color: var(--ab-body);
}

.page-disclaimer .doc-hero__side {
  padding: clamp(20px, 2.4vw, 30px);
}

.page-disclaimer .doc-hero__side-label {
  margin: 0 0 18px;
  font-size: 12px;
  letter-spacing: .14em;
  color: var(--ab-cyan);
}

.page-disclaimer .fast-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 16px;
}

.page-disclaimer .fast-item {
  padding-bottom: 16px;
  border-bottom: var(--d-rule);
}

.page-disclaimer .fast-item:last-child {
  border-bottom: 0;
  padding-bottom: 0;
}

.page-disclaimer .fast-item__q {
  position: relative;
  margin: 0 0 6px;
  padding-left: 16px;
  font-family: var(--ab-font-display);
  font-weight: 800;
  font-size: 16px;
  line-height: 1.4;
  color: var(--ab-ink);
}

.page-disclaimer .fast-item__q::before {
  content: "";
  position: absolute;
  left: 0;
  top: .55em;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--ab-cyan);
}

.page-disclaimer .fast-item--warn .fast-item__q::before { background: var(--ab-orange); }
.page-disclaimer .fast-item--ok .fast-item__q::before { background: var(--ab-green); }

.page-disclaimer .fast-item__a {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.68;
  color: var(--ab-muted);
}

/* ---------- 分栏骨架 ---------- */

.page-disclaimer .doc-shell {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(30px, 4vw, 52px);
  padding-bottom: clamp(40px, 5vw, 76px);
}

/* ---------- 左栏目录 ---------- */

.page-disclaimer .doc-rail {
  display: grid;
  gap: 22px;
}

.page-disclaimer .rail-card {
  border-left: 2px solid var(--ab-cyan);
  padding: 2px 0 2px 18px;
}

.page-disclaimer .rail-eyebrow {
  margin: 0 0 14px;
  font-family: var(--ab-font-mono);
  font-size: 11.5px;
  letter-spacing: .16em;
  color: var(--ab-muted);
}

.page-disclaimer .rail-nav {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 2px;
}

.page-disclaimer .rail-link {
  display: block;
  padding: 7px 6px 7px 0;
  font-size: 14.5px;
  line-height: 1.5;
  color: var(--ab-body);
  text-decoration: none;
  transition: color var(--ab-t), transform var(--ab-t);
}

.page-disclaimer .rail-link:hover,
.page-disclaimer .rail-link:focus-visible {
  color: var(--ab-cyan);
  transform: translateX(4px);
}

.page-disclaimer .rail-aside {
  padding: 16px 18px;
  background: var(--ab-deep);
  border: var(--d-rule);
  border-radius: var(--ab-radius);
}

.page-disclaimer .rail-aside__text {
  margin: 0 0 10px;
  font-size: 13.5px;
  line-height: 1.65;
  color: var(--ab-muted);
}

/* ---------- 右侧正文 ---------- */

.page-disclaimer .doc-body {
  display: grid;
  gap: clamp(36px, 4.4vw, 62px);
  min-width: 0;
}

.page-disclaimer .dsec {
  border-top: var(--d-rule);
  padding-top: clamp(22px, 2.8vw, 36px);
  scroll-margin-top: 120px;
}

.page-disclaimer .dsec__head {
  display: flex;
  align-items: center;
  gap: 12px 14px;
  flex-wrap: wrap;
  margin-bottom: 20px;
}

.page-disclaimer .dsec__mark {
  flex: 0 0 auto;
  width: 26px;
  height: 3px;
  background: var(--ab-cyan);
}

.page-disclaimer .dsec__title {
  margin: 0;
  font-family: var(--ab-font-display);
  font-weight: 800;
  font-size: clamp(21px, 2.4vw, 29px);
  line-height: 1.24;
  letter-spacing: -.01em;
  color: var(--ab-ink);
}

.page-disclaimer .note-tag {
  font-family: var(--ab-font-mono);
  font-size: 11.5px;
  letter-spacing: .1em;
  color: var(--ab-orange);
  border: 1px solid rgba(255, 122, 26, .48);
  border-radius: 999px;
  padding: 3px 11px;
  white-space: nowrap;
}

.page-disclaimer .dsec__text p {
  max-width: 66ch;
  margin: 0 0 16px;
  font-size: clamp(15px, 1.15vw, 16.5px);
  line-height: 1.78;
  color: var(--ab-body);
}

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

.page-disclaimer .dsec__text + .dsec__text {
  margin-top: 14px;
}

.page-disclaimer .dsec__note {
  max-width: 66ch;
  margin: 22px 0 0;
  padding: 18px 22px;
  background: var(--ab-raise);
  border-left: 3px solid var(--ab-orange);
  border-radius: 0 var(--ab-radius) var(--ab-radius) 0;
}

.page-disclaimer .dsec__note p {
  margin: 0;
  font-size: 15px;
  line-height: 1.72;
  color: var(--ab-body);
}

.page-disclaimer .dsec__note + .dsec__text {
  margin-top: 18px;
}

.page-disclaimer .dsec__figure {
  margin: 22px 0 22px;
  max-width: 66ch;
}

.page-disclaimer .dsec__figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  border: var(--d-rule);
  border-radius: var(--ab-radius);
  object-fit: cover;
  background: var(--ab-deep);
}

.page-disclaimer .dsec__figure figcaption {
  margin-top: 10px;
  font-size: 13px;
  line-height: 1.62;
  color: var(--ab-muted);
}

/* ---------- 折叠块 ---------- */

.page-disclaimer .fold {
  max-width: 66ch;
  margin-top: 22px;
  background: var(--ab-deep);
  border: var(--d-rule);
  border-radius: var(--ab-radius);
  overflow: hidden;
}

.page-disclaimer .fold__summary {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 14px 18px;
  cursor: pointer;
  list-style: none;
  font-family: var(--ab-font-display);
  font-weight: 800;
  font-size: 16px;
  line-height: 1.4;
  color: var(--ab-ink);
}

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

.page-disclaimer .fold__summary::before {
  content: "";
  flex: 0 0 auto;
  width: 7px;
  height: 7px;
  border-right: 2px solid var(--ab-cyan);
  border-bottom: 2px solid var(--ab-cyan);
  transform: rotate(45deg);
  transition: transform var(--ab-t);
}

.page-disclaimer .fold[open] .fold__summary::before {
  transform: rotate(-135deg);
}

.page-disclaimer .fold__list {
  margin: 0;
  padding: 2px 20px 20px 38px;
  display: grid;
  gap: 10px;
  font-size: 15px;
  line-height: 1.7;
  color: var(--ab-body);
}

.page-disclaimer .fold__list li::marker {
  color: var(--ab-cyan);
  font-family: var(--ab-font-mono);
}

/* ---------- 底部快捷条 ---------- */

.page-disclaimer .quickbar {
  position: sticky;
  bottom: 0;
  z-index: 20;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 12px 20px;
  padding: 12px var(--ab-gutter);
  background: rgba(5, 7, 12, .9);
  backdrop-filter: blur(14px);
  border-top: var(--d-rule);
  border-bottom: var(--d-rule);
}

.page-disclaimer .quickbar__text {
  margin: 0;
  font-size: 14px;
  line-height: 1.6;
  color: var(--ab-muted);
}

.page-disclaimer .quickbar__text strong {
  color: var(--ab-ink);
  font-weight: 600;
}

.page-disclaimer .quickbar__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

/* ---------- 窄屏兜底 ---------- */

@media (max-width: 640px) {
  .page-disclaimer .doc-hero__title {
    max-width: none;
  }

  .page-disclaimer .rail-card {
    border-left-width: 2px;
  }

  .page-disclaimer .quickbar {
    justify-content: flex-start;
  }

  .page-disclaimer .dsec__note {
    padding: 16px 16px;
  }
}

/* ---------- 桌面分栏 ---------- */

@media (min-width: 900px) {
  .page-disclaimer .doc-hero__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
  }

  .page-disclaimer .doc-shell {
    grid-template-columns: var(--d-rail-w) minmax(0, 1fr);
    gap: var(--d-gap);
    align-items: start;
  }

  .page-disclaimer .doc-rail {
    position: sticky;
    top: 108px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-disclaimer .rail-link,
  .page-disclaimer .fold__summary::before {
    transition: none;
  }

  .page-disclaimer .rail-link:hover,
  .page-disclaimer .rail-link:focus-visible {
    transform: none;
  }
}