.page-disclaimer {
  --doc-rule: var(--line-soft);
  --doc-measure: 36em;
  padding-block: clamp(24px, 4vw, 48px) clamp(64px, 9vw, 120px);
}

.page-disclaimer .breadcrumb {
  margin-bottom: clamp(24px, 3.5vw, 40px);
}

/* ---------- 手册封面区 ---------- */

.page-disclaimer .doc-masthead {
  position: relative;
  padding: 0 0 clamp(24px, 3.6vw, 44px);
  border-bottom: 1px solid var(--doc-rule);
}

.page-disclaimer .doc-masthead::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -1px;
  width: min(180px, 34%);
  height: 3px;
  background: var(--yellow);
}

.page-disclaimer .doc-masthead .eyebrow {
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .18em;
  color: var(--muted);
  text-transform: uppercase;
}

.page-disclaimer h1 {
  margin: 0 0 18px;
  font-family: var(--font-head);
  font-weight: 900;
  font-size: clamp(29px, 5.6vw, 54px);
  line-height: 1.2;
  letter-spacing: -.012em;
  color: var(--white);
}

.page-disclaimer .doc-masthead .lead {
  max-width: 34em;
  margin: 0 0 22px;
  font-size: clamp(16px, 2.1vw, 18px);
  line-height: 1.85;
  color: var(--text-soft);
}

.page-disclaimer .doc-stamps {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 24px;
  margin: 0;
  padding: 0;
  list-style: none;
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--muted);
}

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

/* ---------- 首图 ---------- */

.page-disclaimer .doc-figure {
  margin: clamp(28px, 4vw, 48px) 0 clamp(36px, 5vw, 64px);
}

.page-disclaimer .doc-figure img {
  width: 100%;
  height: auto;
  object-fit: cover;
}

/* ---------- 双栏文档骨架 ---------- */

.page-disclaimer .doc-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(28px, 4vw, 52px);
}

.page-disclaimer .doc-toc {
  border-top: 2px solid var(--yellow);
  padding-top: 18px;
}

.page-disclaimer .doc-toc-heading {
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .18em;
  color: var(--muted);
}

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

.page-disclaimer .doc-toc-list a {
  display: flex;
  gap: 12px;
  padding: 10px 12px;
  border-left: 2px solid transparent;
  color: var(--text-soft);
  font-size: 14px;
  line-height: 1.55;
  text-decoration: none;
  transition: background-color .22s var(--ease), border-color .22s var(--ease), color .22s var(--ease);
}

.page-disclaimer .doc-toc-list a:hover,
.page-disclaimer .doc-toc-list a:focus-visible {
  border-left-color: var(--yellow);
  background-color: rgba(242, 193, 78, .09);
  color: var(--white);
}

.page-disclaimer .doc-toc-list a:focus-visible {
  outline: 2px solid var(--yellow);
  outline-offset: 2px;
}

.page-disclaimer .doc-toc-num {
  flex: none;
  padding-top: 1px;
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--muted);
}

/* ---------- 条款正文 ---------- */

.page-disclaimer .doc-body {
  min-width: 0;
}

.page-disclaimer .doc-clause {
  padding-top: clamp(24px, 3.4vw, 40px);
  margin-top: clamp(24px, 3.4vw, 40px);
  border-top: 1px solid var(--doc-rule);
  scroll-margin-top: 108px;
  transition: background-color .3s var(--ease), box-shadow .3s var(--ease);
}

.page-disclaimer .doc-clause:first-child {
  margin-top: 0;
  padding-top: 0;
  border-top: 0;
}

.page-disclaimer .doc-clause:target {
  background-color: rgba(242, 193, 78, .055);
  box-shadow: inset 3px 0 0 var(--yellow);
}

.page-disclaimer .clause-head {
  display: flex;
  align-items: baseline;
  gap: 14px;
  margin-bottom: 16px;
}

.page-disclaimer .clause-num {
  flex: none;
  font-size: clamp(22px, 3vw, 28px);
  line-height: 1;
  color: var(--yellow);
  letter-spacing: .02em;
}

.page-disclaimer .clause-title {
  margin: 0;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: clamp(20px, 3vw, 28px);
  line-height: 1.35;
  color: var(--white);
}

.page-disclaimer .doc-body .prose p {
  max-width: var(--doc-measure);
  margin: 0 0 1.1em;
  font-size: 16px;
  line-height: 1.85;
  color: var(--text-soft);
}

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

.page-disclaimer .doc-body .prose a {
  color: var(--sky);
  text-decoration: underline;
  text-decoration-color: rgba(76, 141, 217, .5);
  text-underline-offset: 3px;
  transition: color .2s var(--ease), text-decoration-color .2s var(--ease);
}

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

.page-disclaimer .doc-body .prose a:focus-visible {
  outline: 2px solid var(--yellow);
  outline-offset: 2px;
}

.page-disclaimer .doc-list {
  max-width: var(--doc-measure);
  margin: 0 0 1.2em;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 10px;
}

.page-disclaimer .doc-list li {
  position: relative;
  padding-left: 20px;
  font-size: 15.5px;
  line-height: 1.8;
  color: var(--text-soft);
}

.page-disclaimer .doc-list li::before {
  content: "";
  position: absolute;
  left: 2px;
  top: .76em;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--red);
}

/* ---------- 联系块 ---------- */

.page-disclaimer .doc-contact {
  max-width: var(--doc-measure);
  margin: 20px 0 1.4em;
  padding: 18px 20px;
  border: 1px solid var(--doc-rule);
  border-left: 3px solid var(--yellow);
  background-color: var(--plate);
}

.page-disclaimer .doc-contact-row {
  display: flex;
  flex-wrap: wrap;
  gap: 4px 16px;
  margin: 0 0 10px;
  font-size: 15px;
  color: var(--white);
}

.page-disclaimer .doc-contact-row:last-child {
  margin-bottom: 0;
}

.page-disclaimer .doc-contact-key {
  flex: none;
  min-width: 84px;
  padding-top: 3px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--muted);
}

.page-disclaimer .doc-contact .mono {
  font-family: var(--font-mono);
  color: var(--yellow);
  letter-spacing: .02em;
}

/* ---------- 返回顶部 ---------- */

.page-disclaimer .doc-toplink {
  margin: clamp(30px, 4vw, 50px) 0 0;
}

.page-disclaimer .doc-toplink a {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 10px 0;
  border-top: 1px solid var(--yellow);
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .1em;
  color: var(--yellow);
  text-decoration: none;
  transition: color .2s var(--ease), border-color .2s var(--ease);
}

.page-disclaimer .doc-toplink a::before {
  content: "↑";
  font-size: 15px;
  line-height: 1;
}

.page-disclaimer .doc-toplink a:hover,
.page-disclaimer .doc-toplink a:focus-visible {
  color: var(--white);
  border-top-color: var(--white);
}

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

/* ---------- 平板与桌面 ---------- */

@media (min-width: 760px) {
  .page-disclaimer .doc-layout {
    grid-template-columns: 210px minmax(0, 1fr);
    gap: clamp(32px, 4vw, 56px);
  }
}

@media (min-width: 1024px) {
  .page-disclaimer .doc-layout {
    grid-template-columns: 244px minmax(0, 1fr);
    gap: clamp(48px, 5.5vw, 88px);
  }

  .page-disclaimer .doc-toc {
    position: sticky;
    top: 100px;
    align-self: start;
    max-height: calc(100vh - 150px);
    overflow-y: auto;
    scrollbar-width: thin;
  }

  .page-disclaimer .doc-body {
    border-left: 1px solid var(--doc-rule);
    padding-left: clamp(30px, 4vw, 56px);
  }

  .page-disclaimer .doc-body .prose p {
    font-size: 16.5px;
  }
}

/* ---------- 减弱动效 ---------- */

@media (prefers-reduced-motion: reduce) {
  .page-disclaimer .doc-toc-list a,
  .page-disclaimer .doc-clause,
  .page-disclaimer .doc-toplink a,
  .page-disclaimer .doc-body .prose a {
    transition-duration: .01ms !important;
    transition-delay: 0ms !important;
  }
}