.page-disclaimer {
  --doc-measure: 44rem;
  --doc-text: #DCE6EE;
  padding-block: 28px 80px;
}

.page-disclaimer .breadcrumb {
  margin-bottom: 44px;
}

/* ---------- 首屏 ---------- */

.page-disclaimer .doc-intro,
.page-disclaimer .doc-section,
.page-disclaimer .doc-foot {
  max-width: var(--doc-measure);
  margin-inline: auto;
}

.page-disclaimer .doc-intro {
  padding-bottom: 12px;
}

.page-disclaimer .doc-intro__title {
  margin: 14px 0 22px;
  font-size: clamp(34px, 7vw, 64px);
  font-weight: 200;
  line-height: 1.1;
  letter-spacing: -0.02em;
  color: var(--white);
}

.page-disclaimer .doc-intro__lead {
  max-width: 34em;
  margin: 0;
}

.page-disclaimer .doc-index {
  list-style: none;
  margin: 44px 0 0;
  padding: 0;
  border-top: 1px solid var(--line);
}

.page-disclaimer .doc-index li {
  border-bottom: 1px solid var(--line);
}

.page-disclaimer .doc-index a {
  display: grid;
  grid-template-columns: auto 1fr;
  grid-template-areas:
    "num name"
    "num hint";
  column-gap: 16px;
  row-gap: 4px;
  align-items: baseline;
  padding: 16px 6px;
  text-decoration: none;
  color: var(--white);
  transition: color .22s var(--ease), padding-left .22s var(--ease);
}

.page-disclaimer .doc-index a .mono {
  grid-area: num;
  font-size: 12px;
  letter-spacing: .14em;
  color: var(--cyan);
}

.page-disclaimer .doc-index__name {
  grid-area: name;
  font-size: 17px;
  font-weight: 400;
}

.page-disclaimer .doc-index__hint {
  grid-area: hint;
  font-size: 14px;
  color: var(--muted);
}

.page-disclaimer .doc-index a:hover,
.page-disclaimer .doc-index a:focus-visible {
  color: var(--cyan);
  padding-left: 14px;
}

/* ---------- 图片带 ---------- */

.page-disclaimer .doc-band {
  max-width: 900px;
  margin: 56px auto 0;
  padding: 0;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.page-disclaimer .doc-band img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  padding-block: 24px;
  object-fit: cover;
  filter: saturate(.65) brightness(.82);
}

.page-disclaimer .doc-band .fig__cap {
  display: block;
  padding-bottom: 16px;
  margin: 0;
}

/* ---------- 正文章节 ---------- */

.page-disclaimer .doc-section {
  padding-block: 56px;
  border-top: 1px solid var(--line);
}

.page-disclaimer .doc-section:first-of-type {
  margin-top: 56px;
}

.page-disclaimer .doc-section__title {
  margin: 14px 0 22px;
  font-size: clamp(23px, 3.6vw, 32px);
  font-weight: 300;
  line-height: 1.28;
  letter-spacing: -0.01em;
  color: var(--white);
}

.page-disclaimer .prose {
  max-width: 100%;
}

.page-disclaimer .prose p {
  margin: 0 0 18px;
  color: var(--doc-text);
}

.page-disclaimer .prose a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(95, 233, 218, .35);
  transition: border-color .2s var(--ease), color .2s var(--ease);
}

.page-disclaimer .prose a:hover,
.page-disclaimer .prose a:focus-visible {
  color: var(--white);
  border-bottom-color: var(--white);
}

/* ---------- 版本号卡片 ---------- */

.page-disclaimer .ver-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
  margin: 30px 0;
}

.page-disclaimer .ver-card {
  padding: 22px 22px 24px;
  background: var(--panel);
  border: 1px solid var(--line);
  border-left: 2px solid var(--cyan);
  border-radius: var(--radius);
}

.page-disclaimer .ver-card--gold {
  border-left-color: var(--gold);
}

.page-disclaimer .ver-card__num {
  display: block;
  margin: 0 0 6px;
  font-size: 30px;
  line-height: 1;
  letter-spacing: .02em;
  color: var(--cyan);
}

.page-disclaimer .ver-card--gold .ver-card__num {
  color: var(--gold);
}

.page-disclaimer .ver-card__label {
  margin: 0 0 10px;
  font-size: 14px;
  letter-spacing: .08em;
  color: var(--white);
}

.page-disclaimer .ver-card__desc {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--muted);
}

/* ---------- 折叠条款 ---------- */

.page-disclaimer .doc-details {
  margin: 26px 0;
  background: var(--panel-2);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.page-disclaimer .doc-details > summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  padding: 16px 20px;
  font-size: 15px;
  color: var(--cyan);
  cursor: pointer;
  list-style: none;
}

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

.page-disclaimer .doc-details > summary::after {
  content: "+";
  font-family: var(--font-mono);
  font-size: 17px;
  line-height: 1;
  color: var(--dim);
}

.page-disclaimer .doc-details[open] > summary::after {
  content: "–";
}

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

.page-disclaimer .doc-details__body {
  padding: 4px 20px 20px;
  border-top: 1px solid var(--line);
}

.page-disclaimer .doc-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 14px;
}

.page-disclaimer .doc-list li {
  font-size: 15px;
  line-height: 1.75;
  color: var(--doc-text);
}

.page-disclaimer .doc-list .mono {
  display: inline-block;
  min-width: 4.4em;
  margin-right: 10px;
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--gold);
}

/* ---------- 检索维度带 ---------- */

.page-disclaimer .doc-bandline {
  display: grid;
  grid-template-columns: 1fr;
  margin: 30px 0;
  padding: 0 20px;
}

.page-disclaimer .doc-bandline__item {
  padding: 18px 0;
  border-top: 1px solid var(--line);
}

.page-disclaimer .doc-bandline__item:first-child {
  border-top: 0;
}

.page-disclaimer .doc-bandline__item .mono {
  display: block;
  margin-bottom: 8px;
  font-size: 12px;
  letter-spacing: .14em;
  color: var(--cyan);
}

.page-disclaimer .doc-bandline__item p {
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--muted);
}

/* ---------- 辅助链接与行动 ---------- */

.page-disclaimer .doc-aside {
  margin: 26px 0 0;
}

.page-disclaimer .doc-aside a {
  font-size: 15px;
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(95, 233, 218, .35);
  transition: border-color .2s var(--ease);
}

.page-disclaimer .doc-aside a:hover,
.page-disclaimer .doc-aside a:focus-visible {
  border-bottom-color: var(--cyan);
}

.page-disclaimer .doc-cta {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin: 30px 0 0;
}

/* ---------- 页尾版本行 ---------- */

.page-disclaimer .doc-foot {
  margin-top: 24px;
  padding-top: 26px;
  border-top: 1px solid var(--line);
  font-size: 13px;
  letter-spacing: .1em;
  text-align: center;
  color: var(--muted);
}

/* ---------- 响应式 ---------- */

@media (min-width: 680px) {
  .page-disclaimer .ver-grid {
    grid-template-columns: 1fr 1fr;
  }

  .page-disclaimer .doc-bandline {
    grid-template-columns: repeat(3, 1fr);
    padding: 0;
  }

  .page-disclaimer .doc-bandline__item {
    padding: 22px 20px;
    border-top: 0;
    border-left: 1px solid var(--line);
  }

  .page-disclaimer .doc-bandline__item:first-child {
    border-left: 0;
  }
}

@media (min-width: 900px) {
  .page-disclaimer {
    padding-block: 40px 110px;
  }

  .page-disclaimer .doc-section {
    padding-block: 64px;
  }
}

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