.page-disclaimer {
  --pd-rule: 1px solid var(--c-steel);
  --pd-surface: #FFFFFF;
  --pd-tint: rgba(20, 80, 90, 0.05);
  --pd-track-tint: rgba(255, 106, 42, 0.06);
  background: var(--c-fog);
  color: var(--c-deep);
  font-family: var(--font-body);
  padding-block: clamp(20px, 4vw, 48px) clamp(56px, 9vw, 104px);
}

.page-disclaimer .shell {
  width: 100%;
  max-width: var(--shell-w);
  margin-inline: auto;
  padding-inline: var(--gutter);
  box-sizing: border-box;
}

/* 面包屑与题头 */
.page-disclaimer .breadcrumbs {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--c-tide);
  margin-bottom: clamp(14px, 2.4vw, 26px);
}

.page-disclaimer .breadcrumbs a {
  color: var(--c-tide);
  text-decoration: none;
  border-bottom: 1px solid transparent;
}

.page-disclaimer .breadcrumbs a:hover,
.page-disclaimer .breadcrumbs a:focus-visible {
  border-bottom-color: var(--c-track);
  color: var(--c-track-deep);
}

.page-disclaimer .breadcrumbs__sep {
  color: var(--c-steel);
}

.page-disclaimer .breadcrumbs [aria-current="page"] {
  color: var(--c-ink);
}

.page-disclaimer .doc-head {
  position: relative;
  padding-bottom: clamp(20px, 3vw, 34px);
}

.page-disclaimer .eyebrow {
  margin: 0 0 10px;
  font-size: 11px;
  letter-spacing: 0.22em;
  color: var(--c-track-deep);
}

.page-disclaimer h1 {
  margin: 0 0 18px;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(40px, 10vw, 96px);
  line-height: 0.96;
  letter-spacing: -0.04em;
  color: var(--c-ink);
}

.page-disclaimer .lede {
  margin: 0 0 clamp(18px, 3vw, 28px);
  max-width: 60ch;
  font-size: clamp(15px, 1.8vw, 19px);
  line-height: 1.78;
  color: var(--c-deep);
}

.page-disclaimer .doc-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 26px;
  padding-top: 12px;
  border-top: var(--pd-rule);
  font-size: 11.5px;
  letter-spacing: 0.05em;
  color: var(--c-tide);
}

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

.page-disclaimer .doc-meta__item::before {
  content: "";
  width: 6px;
  height: 6px;
  background: var(--c-track);
  transform: rotate(45deg);
  flex: none;
}

/* 页首横幅 */
.page-disclaimer .doc-banner {
  margin: 0 0 clamp(24px, 4vw, 44px);
  border: var(--pd-rule);
  background: var(--pd-surface);
  overflow: hidden;
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 26px), calc(100% - 26px) 100%, 0 100%);
}

.page-disclaimer .doc-banner img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 9;
  object-fit: cover;
}

/* 文档双栏 */
.page-disclaimer .doc-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(26px, 4vw, 48px);
  align-items: start;
}

.page-disclaimer .doc-aside__title {
  margin: 0 0 12px;
  padding-bottom: 8px;
  border-bottom: var(--pd-rule);
  font-size: 11px;
  letter-spacing: 0.2em;
  color: var(--c-tide);
}

.page-disclaimer .doc-toc {
  margin: 0;
  padding: 0;
  list-style: none;
  counter-reset: toc;
}

.page-disclaimer .doc-toc li {
  counter-increment: toc;
}

.page-disclaimer .doc-toc a {
  display: block;
  padding: 9px 12px 9px 34px;
  position: relative;
  border-left: 2px solid transparent;
  font-size: 14px;
  line-height: 1.5;
  color: var(--c-deep);
  text-decoration: none;
  transition: background-color 180ms var(--ease), border-color 180ms var(--ease);
}

.page-disclaimer .doc-toc a::before {
  content: counter(toc, decimal-leading-zero);
  position: absolute;
  left: 12px;
  top: 10px;
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--c-steel);
}

.page-disclaimer .doc-toc a:hover,
.page-disclaimer .doc-toc a:focus-visible {
  background: var(--pd-tint);
}

.page-disclaimer .doc-toc a[aria-current="true"] {
  border-left-color: var(--c-track);
  background: var(--pd-track-tint);
  color: var(--c-track-deep);
}

.page-disclaimer .doc-toc a[aria-current="true"]::before {
  color: var(--c-track-deep);
}

/* 版本索引 */
.page-disclaimer .ver-index {
  margin-top: 22px;
  padding: 10px 12px 12px;
  border: var(--pd-rule);
  background: var(--pd-surface);
}

.page-disclaimer .ver-index__sum {
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  font-size: 11.5px;
  letter-spacing: 0.12em;
  color: var(--c-deep);
  list-style: none;
}

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

.page-disclaimer .ver-index__sum::after {
  content: "+";
  font-size: 14px;
  line-height: 1;
  color: var(--c-track-deep);
}

.page-disclaimer .ver-index[open] .ver-index__sum::after {
  content: "–";
}

.page-disclaimer .ver-index__list {
  margin: 10px 0 0;
  padding: 10px 0 0;
  border-top: var(--pd-rule);
  list-style: none;
  display: grid;
  gap: 9px;
  font-size: 12.5px;
  line-height: 1.65;
  color: var(--c-tide);
}

.page-disclaimer .ver-index__list .mono {
  display: inline-block;
  margin-right: 8px;
  color: var(--c-track-deep);
  font-size: 11.5px;
}

.page-disclaimer .aside-note {
  margin-top: 20px;
  padding: 12px 14px;
  border-left: 2px solid var(--c-track);
  background: var(--pd-track-tint);
  font-size: 12.5px;
  line-height: 1.75;
  color: var(--c-tide);
}

/* 条款 */
.page-disclaimer .clause {
  padding-block: clamp(22px, 3.6vw, 38px);
  border-top: var(--pd-rule);
}

.page-disclaimer .clause:last-child {
  border-bottom: var(--pd-rule);
}

.page-disclaimer .clause__no {
  margin: 0 0 8px;
  font-size: 11.5px;
  letter-spacing: 0.22em;
  color: var(--c-track-deep);
}

.page-disclaimer .clause h2 {
  margin: 0 0 14px;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(21px, 3.4vw, 31px);
  line-height: 1.22;
  letter-spacing: -0.02em;
  color: var(--c-ink);
}

.page-disclaimer .clause p {
  margin: 0 0 14px;
  max-width: 64ch;
  font-size: clamp(15px, 1.6vw, 17px);
  line-height: 1.82;
  color: var(--c-deep);
}

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

.page-disclaimer .doc-body a {
  color: var(--c-track-deep);
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
}

.page-disclaimer .doc-body a:hover,
.page-disclaimer .doc-body a:focus-visible {
  color: var(--c-ink);
  text-decoration-color: var(--c-track);
}

/* 使用方式对照 */
.page-disclaimer .use-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  margin-block: 20px;
  border: var(--pd-rule);
  background: var(--c-steel);
}

.page-disclaimer .use-col {
  background: var(--pd-surface);
  padding: 16px 18px 18px;
}

.page-disclaimer .use-col__head {
  margin: 0 0 12px;
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 11px;
  letter-spacing: 0.14em;
}

.page-disclaimer .use-col__head::before {
  content: "";
  width: 7px;
  height: 7px;
  flex: none;
}

.page-disclaimer .use-col--ok .use-col__head {
  color: var(--c-tide);
}

.page-disclaimer .use-col--ok .use-col__head::before {
  background: var(--c-tide);
}

.page-disclaimer .use-col--ask .use-col__head {
  color: var(--c-track-deep);
}

.page-disclaimer .use-col--ask .use-col__head::before {
  background: var(--c-track);
}

.page-disclaimer .use-list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 9px;
}

.page-disclaimer .use-list li {
  position: relative;
  padding-left: 16px;
  font-size: 14.5px;
  line-height: 1.7;
  color: var(--c-deep);
}

.page-disclaimer .use-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.72em;
  width: 7px;
  height: 1px;
  background: var(--c-steel);
}

.page-disclaimer .use-col--ask .use-list li::before {
  background: var(--c-track);
}

/* 打印提示 */
.page-disclaimer .print-note {
  margin-top: 18px;
  padding: 12px 14px;
  border: 1px dashed var(--c-steel);
  background: var(--pd-tint);
  font-size: 14px;
  line-height: 1.75;
  color: var(--c-tide);
}

@media (min-width: 600px) {
  .page-disclaimer .use-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (min-width: 960px) {
  .page-disclaimer .doc-grid {
    grid-template-columns: minmax(220px, 264px) 1fr;
    gap: clamp(36px, 4vw, 56px);
  }

  .page-disclaimer .doc-aside {
    position: sticky;
    top: 112px;
    align-self: start;
  }

  .page-disclaimer .clause p {
    font-size: 17px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-disclaimer .doc-toc a {
    transition: none;
  }
}

@media print {
  .page-disclaimer .doc-aside,
  .page-disclaimer .doc-banner {
    display: none;
  }

  .page-disclaimer .doc-grid {
    display: block;
  }

  .page-disclaimer {
    background: #FFFFFF;
    padding: 0;
  }
}