.page-disclaimer {
  --disc-radius: 0;
  --disc-space: clamp(1.5rem, 3.2vw, 3rem);
}

/* ---------- 面包屑 ---------- */
.page-disclaimer .crumbs {
  padding-top: calc(var(--nav-h) + 1.5rem);
}
.page-disclaimer .crumbs ol {
  display: flex;
  flex-wrap: wrap;
  gap: .5rem;
  margin: 0;
  padding: 0;
  list-style: none;
  font-size: .8125rem;
  letter-spacing: .04em;
  color: var(--muted);
  font-family: var(--mono);
}
.page-disclaimer .crumbs li + li::before {
  content: "/";
  margin-right: .5rem;
  color: var(--line);
}
.page-disclaimer .crumbs a {
  color: var(--muted);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}
.page-disclaimer .crumbs a:hover,
.page-disclaimer .crumbs a:focus-visible {
  color: var(--cyan);
  border-bottom-color: var(--cyan);
}

/* ---------- 首屏 ---------- */
.page-disclaimer .disc-hero {
  padding-top: clamp(1.5rem, 3vw, 2.5rem);
  padding-bottom: clamp(2rem, 4vw, 3.5rem);
  border-bottom: var(--bd);
  background:
    radial-gradient(circle at 88% 6%, rgba(53, 224, 214, .12), transparent 42%),
    linear-gradient(180deg, var(--ink-3) 0%, var(--ink) 100%);
}
.page-disclaimer .disc-hero__grid {
  display: grid;
  grid-template-columns: minmax(0, 1.3fr) minmax(0, .85fr);
  gap: clamp(1.75rem, 4vw, 3.5rem);
  align-items: end;
}
.page-disclaimer .disc-hero h1 {
  margin: .75rem 0 0;
  font-family: var(--sans);
  font-weight: 900;
  font-size: clamp(1.85rem, 5vw, 3.35rem);
  line-height: 1.12;
  letter-spacing: -.01em;
  color: var(--paper);
  max-width: 20ch;
}
.page-disclaimer .disc-lede {
  margin: 1.25rem 0 0;
  max-width: 42em;
  font-size: 1.0625rem;
  line-height: 1.85;
  color: var(--paper);
  opacity: .9;
}

/* 首屏右侧快速写法 */
.page-disclaimer .disc-quick {
  border: var(--bd);
  background: var(--ink-2);
  box-shadow: var(--hard);
  padding: 1.25rem 1.35rem 1.1rem;
}
.page-disclaimer .disc-quick__title {
  margin: 0 0 .85rem;
  font-size: .75rem;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--gold);
}
.page-disclaimer .disc-quick__list {
  margin: 0;
  padding: 0;
  list-style: none;
}
.page-disclaimer .disc-quick__list li {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: .5rem;
  padding: .6rem 0;
  border-bottom: 1px dashed var(--line);
}
.page-disclaimer .disc-quick__list li:last-child {
  border-bottom: 0;
}
.page-disclaimer .disc-quick__key {
  font-size: .8125rem;
  letter-spacing: .06em;
  color: var(--muted);
}
.page-disclaimer .disc-quick__val {
  font-size: .95rem;
  color: var(--gold-soft);
  overflow-wrap: anywhere;
}
.page-disclaimer .disc-quick .meta {
  margin: .85rem 0 0;
}

/* ---------- 主体骨架 ---------- */
.page-disclaimer .disc-body {
  min-width: 0;
}
.page-disclaimer .rail {
  position: sticky;
  top: calc(var(--nav-h) + 1.5rem);
  align-self: start;
}
.page-disclaimer .disc-toc {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: .1rem;
}
.page-disclaimer .disc-toc a {
  display: flex;
  gap: .6rem;
  padding: .5rem .6rem .5rem .5rem;
  font-size: .875rem;
  line-height: 1.5;
  color: var(--muted);
  text-decoration: none;
  border-left: 2px solid transparent;
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease), background-color var(--dur) var(--ease);
}
.page-disclaimer .disc-toc a .mono {
  color: var(--line);
  transition: color var(--dur) var(--ease);
}
.page-disclaimer .disc-toc a:hover,
.page-disclaimer .disc-toc a:focus-visible {
  color: var(--paper);
  border-left-color: var(--cyan);
  background: rgba(53, 224, 214, .07);
}
.page-disclaimer .disc-toc a:hover .mono,
.page-disclaimer .disc-toc a:focus-visible .mono {
  color: var(--cyan);
}

/* ---------- 章节 ---------- */
.page-disclaimer .disc-section {
  padding-top: clamp(2rem, 4vw, 3.25rem);
}
.page-disclaimer .disc-section .section-head {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 1rem 1.25rem;
  align-items: start;
  margin-bottom: 1.5rem;
}
.page-disclaimer .disc-section h2 {
  margin: .35rem 0 0;
  font-size: clamp(1.35rem, 3vw, 1.9rem);
  line-height: 1.25;
  font-weight: 800;
  letter-spacing: -.005em;
  color: var(--paper);
}
.page-disclaimer .disc-section .prose p {
  color: var(--paper);
  opacity: .92;
}
.page-disclaimer .disc-section .prose a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(53, 224, 214, .45);
  transition: border-color var(--dur) var(--ease), color var(--dur) var(--ease);
}
.page-disclaimer .disc-section .prose a:hover,
.page-disclaimer .disc-section .prose a:focus-visible {
  color: var(--gold-soft);
  border-bottom-color: var(--gold-soft);
}

/* 阅读要点 */
.page-disclaimer .disc-rules {
  margin: 1.75rem 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: .85rem;
}
.page-disclaimer .disc-rules li {
  padding: .35rem 0 .35rem 1.1rem;
  border-left: 3px solid var(--gold);
  font-size: .95rem;
  line-height: 1.8;
  color: var(--paper);
  opacity: .9;
}
.page-disclaimer .disc-rules strong {
  color: var(--gold-soft);
  font-weight: 700;
}

/* ---------- 检索三写法 ---------- */
.page-disclaimer .disc-modes {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
  margin-top: 1.75rem;
}
.page-disclaimer .disc-mode {
  padding: 1.25rem 1.3rem 1.35rem;
}
.page-disclaimer .disc-mode__title {
  margin: 0 0 .6rem;
  font-size: 1.0625rem;
  font-weight: 800;
  color: var(--paper);
}
.page-disclaimer .disc-mode__body {
  margin: 0 0 1rem;
  font-size: .9375rem;
  line-height: 1.8;
  color: var(--paper);
  opacity: .85;
}
.page-disclaimer .disc-token {
  display: inline-block;
  margin: 0;
  padding: .38rem .75rem;
  font-size: .875rem;
  letter-spacing: .06em;
  color: var(--gold-soft);
  background: rgba(53, 224, 214, .08);
  border: 1px solid rgba(53, 224, 214, .34);
  overflow-wrap: anywhere;
}

/* 示意图 */
.page-disclaimer .disc-figure {
  margin: 1.75rem 0 0;
  border: var(--bd);
  background: var(--ink-3);
  box-shadow: var(--hard);
}
.page-disclaimer .disc-figure img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  border-bottom: 1px solid var(--line);
}
.page-disclaimer .disc-figure figcaption {
  padding: .8rem 1.1rem;
  font-size: .8125rem;
  line-height: 1.7;
  letter-spacing: .03em;
  color: var(--muted);
}
.page-disclaimer .disc-note-block {
  margin-top: 1.5rem;
}
.page-disclaimer .disc-aside {
  margin: 1.5rem 0 0;
}
.page-disclaimer .disc-aside a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(53, 224, 214, .4);
}
.page-disclaimer .disc-aside a:hover,
.page-disclaimer .disc-aside a:focus-visible {
  color: var(--gold-soft);
  border-bottom-color: var(--gold-soft);
}

/* ---------- 四个入口分区 ---------- */
.page-disclaimer .disc-entries {
  margin: 1.75rem 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 1rem;
}
.page-disclaimer .disc-entry {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 1rem;
  padding: 1.15rem 1.25rem;
  border: var(--bd);
  background: var(--ink-2);
}
.page-disclaimer .disc-entry__num {
  font-size: .875rem;
  letter-spacing: .08em;
  color: var(--gold);
  padding-top: .2rem;
}
.page-disclaimer .disc-entry h3 {
  margin: 0 0 .45rem;
  font-size: 1.0625rem;
  font-weight: 800;
  color: var(--paper);
}
.page-disclaimer .disc-entry p {
  margin: 0;
  font-size: .9375rem;
  line-height: 1.8;
  color: var(--paper);
  opacity: .84;
}

/* ---------- 归档数据卡 ---------- */
.page-disclaimer .disc-archive-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
  margin-top: 1.75rem;
}
.page-disclaimer .disc-archive-card {
  padding: 1.15rem 1.25rem;
  border-left: 3px solid var(--archive);
}
.page-disclaimer .disc-archive-card__num {
  margin: 0;
  font-size: 2rem;
  line-height: 1;
  color: var(--gold);
}
.page-disclaimer .disc-archive-card__label {
  margin: .55rem 0 0;
  font-size: .875rem;
  line-height: 1.7;
  color: var(--muted);
  letter-spacing: .03em;
}

/* ---------- 设备差异 ---------- */
.page-disclaimer .disc-devices {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
  margin-top: 1.75rem;
}
.page-disclaimer .disc-device {
  padding: 1.15rem 1.25rem;
  border: var(--bd);
  border-top: 3px solid var(--cyan);
  background: var(--ink-2);
}
.page-disclaimer .disc-device h3 {
  margin: 0 0 .5rem;
  font-size: 1rem;
  font-weight: 800;
  color: var(--cyan);
}
.page-disclaimer .disc-device p {
  margin: 0;
  font-size: .9375rem;
  line-height: 1.8;
  color: var(--paper);
  opacity: .84;
}

/* ---------- 底部两个出口 ---------- */
.page-disclaimer .disc-exits-wrap {
  margin-top: clamp(3rem, 6vw, 5rem);
  padding: clamp(2rem, 4vw, 3rem) 0 clamp(2.5rem, 5vw, 4rem);
  border-top: var(--bd);
  background: linear-gradient(180deg, var(--ink) 0%, var(--ink-3) 100%);
}
.page-disclaimer .disc-exits {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.15rem;
  margin-top: 1.35rem;
}
.page-disclaimer .disc-exit {
  display: flex;
  align-items: center;
  gap: 1.15rem;
  padding: 1.4rem 1.5rem;
  border: var(--bd);
  background: var(--ink-2);
  box-shadow: var(--hard);
  text-decoration: none;
  color: inherit;
  transition: transform var(--dur) var(--ease), border-color var(--dur) var(--ease), background-color var(--dur) var(--ease);
}
.page-disclaimer .disc-exit:hover,
.page-disclaimer .disc-exit:focus-visible {
  transform: translateY(-2px);
  border-color: var(--cyan);
  background: #16324a;
}
.page-disclaimer .disc-exit__arrow {
  flex: 0 0 auto;
  font-size: 1.7rem;
  line-height: 1;
  color: var(--cyan);
  transition: transform 220ms var(--ease);
}
.page-disclaimer .disc-exit--back:hover .disc-exit__arrow,
.page-disclaimer .disc-exit--back:focus-visible .disc-exit__arrow {
  transform: translateX(-5px);
}
.page-disclaimer .disc-exit--next {
  flex-direction: row-reverse;
}
.page-disclaimer .disc-exit--next:hover .disc-exit__arrow,
.page-disclaimer .disc-exit--next:focus-visible .disc-exit__arrow {
  transform: translateX(5px);
}
.page-disclaimer .disc-exit__text {
  flex: 1 1 auto;
  display: block;
  min-width: 0;
}
.page-disclaimer .disc-exit__title {
  display: block;
  font-size: 1.05rem;
  font-weight: 800;
  letter-spacing: .01em;
  color: var(--gold-soft);
}
.page-disclaimer .disc-exit__desc {
  display: block;
  margin-top: .4rem;
  font-size: .875rem;
  line-height: 1.75;
  color: var(--paper);
  opacity: .82;
}
.page-disclaimer .disc-footnote {
  margin: 1.75rem 0 0;
}
.page-disclaimer .disc-footnote a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(53, 224, 214, .4);
}
.page-disclaimer .disc-footnote a:hover,
.page-disclaimer .disc-footnote a:focus-visible {
  color: var(--gold-soft);
  border-bottom-color: var(--gold-soft);
}

/* 键盘焦点统一反馈 */
.page-disclaimer a:focus-visible,
.page-disclaimer .disc-exit:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 3px;
}

/* ---------- 响应式 ---------- */
@media (min-width: 720px) {
  .page-disclaimer .disc-archive-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
  .page-disclaimer .disc-devices {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .page-disclaimer .disc-exits {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 960px) {
  .page-disclaimer .disc-modes {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (max-width: 1024px) {
  .page-disclaimer .rail {
    position: static;
    margin-bottom: 1rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid var(--line);
  }
  .page-disclaimer .disc-toc {
    grid-template-columns: repeat(auto-fit, minmax(190px, 1fr));
    gap: .25rem;
  }
  .page-disclaimer .disc-hero__grid {
    grid-template-columns: minmax(0, 1fr);
    align-items: start;
  }
  .page-disclaimer .disc-hero h1 {
    max-width: 26ch;
  }
}

@media (max-width: 540px) {
  .page-disclaimer .disc-quick {
    padding: 1rem 1rem .9rem;
  }
  .page-disclaimer .disc-entry,
  .page-disclaimer .disc-device,
  .page-disclaimer .disc-mode {
    padding: 1rem 1rem 1.1rem;
  }
  .page-disclaimer .disc-exit {
    padding: 1.15rem 1.1rem;
    gap: .85rem;
  }
  .page-disclaimer .disc-exit__arrow {
    font-size: 1.4rem;
  }
  .page-disclaimer .disc-archive-card__num {
    font-size: 1.6rem;
  }
  .page-disclaimer .disc-toc {
    grid-template-columns: minmax(0, 1fr);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-disclaimer .disc-exit,
  .page-disclaimer .disc-exit__arrow,
  .page-disclaimer .disc-toc a,
  .page-disclaimer .crumbs a {
    transition: none;
  }
  .page-disclaimer .disc-exit:hover,
  .page-disclaimer .disc-exit:focus-visible {
    transform: none;
  }
  .page-disclaimer .disc-exit--back:hover .disc-exit__arrow,
  .page-disclaimer .disc-exit--next:hover .disc-exit__arrow {
    transform: none;
  }
}