.page-disclaimer {
  --disc-measure: 42em;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-body);
  padding-bottom: clamp(48px, 8vw, 104px);
  overflow-x: hidden;
}

.page-disclaimer .breadcrumb {
  margin: 0;
  padding-top: clamp(16px, 3vw, 28px);
}

.page-disclaimer .breadcrumb ol {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
  font-size: 13px;
  letter-spacing: 0.04em;
  color: var(--graphite);
}

.page-disclaimer .breadcrumb li + li::before {
  content: "/";
  margin-right: 8px;
  color: var(--silver);
}

.page-disclaimer .breadcrumb a {
  color: var(--sea);
  text-decoration: none;
  border-bottom: 1px solid var(--line-soft);
}

.page-disclaimer .breadcrumb a:hover {
  border-bottom-color: var(--ice);
}

/* ---------- 首屏 ---------- */

.page-disclaimer .disc-hero {
  display: grid;
  gap: clamp(28px, 5vw, 48px);
  padding-block: clamp(18px, 3vw, 30px) clamp(28px, 5vw, 56px);
}

.page-disclaimer .disc-hero__lead .eyebrow {
  display: inline-block;
  margin: 0;
  color: var(--sea);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
}

.page-disclaimer .disc-title {
  margin: 12px 0 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(29px, 6.4vw, 52px);
  line-height: 1.16;
  letter-spacing: -0.01em;
  color: var(--ink);
  max-width: 18em;
}

.page-disclaimer .disc-lead {
  margin: 18px 0 0;
  max-width: var(--disc-measure);
  font-size: 16px;
  line-height: 1.85;
  color: var(--graphite);
}

/* ---------- 版本条 ---------- */

.page-disclaimer .disc-versionbar {
  margin-top: clamp(22px, 4vw, 34px);
  border: 1px solid var(--line);
  border-left: 4px solid var(--maple);
  background: linear-gradient(180deg, rgba(27, 74, 107, 0.07), rgba(244, 241, 234, 0.2));
  padding: 14px 16px;
  max-width: var(--disc-measure);
}

.page-disclaimer .disc-versionbar > summary {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: start;
  gap: 10px;
  cursor: pointer;
  list-style: none;
}

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

.page-disclaimer .disc-vtag {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: #fff;
  background: var(--maple);
  padding: 3px 8px;
  white-space: nowrap;
  clip-path: polygon(0 0, 100% 0, 100% 100%, 6px 100%, 0 calc(100% - 6px));
}

.page-disclaimer .disc-vsum {
  font-size: 14px;
  line-height: 1.7;
  color: var(--sea);
}

.page-disclaimer .disc-vmore {
  width: 9px;
  height: 9px;
  margin-top: 7px;
  border-right: 2px solid var(--sea);
  border-bottom: 2px solid var(--sea);
  transform: rotate(45deg);
  transition: transform 220ms var(--ease);
}

.page-disclaimer .disc-versionbar[open] .disc-vmore {
  transform: rotate(-135deg);
}

.page-disclaimer .disc-vlist {
  margin: 14px 0 0;
  padding: 14px 0 0 0;
  list-style: none;
  border-top: 1px dashed var(--line);
  display: grid;
  gap: 9px;
}

.page-disclaimer .disc-vlist li {
  position: relative;
  padding-left: 20px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--graphite);
}

.page-disclaimer .disc-vlist li::before {
  content: "";
  position: absolute;
  left: 2px;
  top: 9px;
  width: 8px;
  height: 2px;
  background: var(--ice);
}

/* ---------- 首屏图与刻度索引 ---------- */

.page-disclaimer .disc-figure {
  margin: 0;
  border: 1px solid var(--line);
  background: var(--ink);
  display: block;
}

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

.page-disclaimer .disc-figure figcaption {
  padding: 10px 12px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  color: var(--on-deep);
  border-top: 1px solid rgba(185, 194, 198, 0.28);
}

.page-disclaimer .disc-index {
  position: relative;
  margin: 18px 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 0;
}

.page-disclaimer .disc-index::before {
  content: "";
  position: absolute;
  left: 21px;
  top: 8px;
  bottom: 8px;
  width: 2px;
  background: var(--line-soft);
}

.page-disclaimer .disc-index li {
  position: relative;
}

.page-disclaimer .disc-index a {
  display: grid;
  grid-template-columns: 44px 1fr;
  align-items: center;
  gap: 12px;
  padding: 10px 6px 10px 0;
  border-bottom: 1px solid var(--line-soft);
  color: var(--sea);
  text-decoration: none;
  font-size: 15px;
  transition: color 200ms var(--ease), background-color 200ms var(--ease);
}

.page-disclaimer .disc-num {
  position: relative;
  z-index: 1;
  display: block;
  padding: 3px 0;
  text-align: center;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.04em;
  color: var(--sea);
  background: var(--paper);
  border: 1px solid var(--line);
}

.page-disclaimer .disc-name {
  font-weight: 500;
}

.page-disclaimer .disc-index a:hover,
.page-disclaimer .disc-index a:focus-visible {
  color: var(--ink);
  background: rgba(111, 211, 216, 0.14);
}

.page-disclaimer .disc-index a:hover .disc-num,
.page-disclaimer .disc-index a:focus-visible .disc-num {
  border-color: var(--ice);
  color: var(--ink);
}

/* ---------- 正文五章 ---------- */

.page-disclaimer .disc-body {
  display: grid;
  gap: 0;
}

.page-disclaimer .disc-section {
  scroll-margin-top: 96px;
  padding: clamp(24px, 4vw, 38px) 0;
  border-top: 1px solid var(--line);
}

.page-disclaimer .disc-section:target {
  background: linear-gradient(90deg, rgba(111, 211, 216, 0.16), rgba(111, 211, 216, 0));
  box-shadow: inset 3px 0 0 var(--ice);
  padding-inline: clamp(12px, 2vw, 20px);
}

.page-disclaimer .disc-shead {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 6px;
}

.page-disclaimer .disc-snum {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--maple);
}

.page-disclaimer .disc-stitle {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(21px, 3.4vw, 28px);
  line-height: 1.3;
  letter-spacing: -0.01em;
  color: var(--ink);
}

.page-disclaimer .disc-section p {
  margin: 14px 0 0;
  max-width: var(--disc-measure);
  font-size: 16px;
  line-height: 1.85;
  color: var(--graphite);
}

.page-disclaimer .disc-section .disc-key {
  padding-left: 14px;
  border-left: 3px solid var(--ice);
  color: var(--ink);
  font-weight: 600;
}

.page-disclaimer .disc-section .disc-key a {
  color: var(--sea);
  text-decoration: none;
  border-bottom: 1px solid var(--ice);
}

.page-disclaimer .disc-contact {
  font-family: var(--font-mono);
  font-size: 14px;
  letter-spacing: 0.01em;
  color: var(--sea);
  word-break: break-all;
}

/* ---------- 收尾 ---------- */

.page-disclaimer .disc-next {
  margin-top: clamp(32px, 5vw, 56px);
  padding: clamp(22px, 4vw, 34px);
  background: var(--ink);
  color: var(--on-deep);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - var(--cut)), calc(100% - var(--cut)) 100%, 0 100%);
  display: grid;
  gap: 16px;
}

.page-disclaimer .disc-next__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(18px, 2.6vw, 22px);
  color: var(--paper);
}

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

.page-disclaimer .disc-next__list li {
  border-top: 1px solid rgba(185, 194, 198, 0.24);
}

.page-disclaimer .disc-next__list a {
  display: block;
  padding: 12px 0 12px 26px;
  position: relative;
  color: var(--paper);
  text-decoration: none;
  font-size: 15px;
  line-height: 1.65;
  transition: color 200ms var(--ease), padding-left 200ms var(--ease);
}

.page-disclaimer .disc-next__list a::before {
  content: "";
  position: absolute;
  left: 2px;
  top: 20px;
  width: 12px;
  height: 2px;
  background: var(--lime);
}

.page-disclaimer .disc-next__list a:hover,
.page-disclaimer .disc-next__list a:focus-visible {
  color: var(--lime);
  padding-left: 32px;
}

.page-disclaimer .disc-toplink {
  justify-self: start;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--ice);
  text-decoration: none;
  padding: 8px 12px;
  border: 1px solid rgba(111, 211, 216, 0.5);
}

.page-disclaimer .disc-toplink:hover,
.page-disclaimer .disc-toplink:focus-visible {
  background: rgba(111, 211, 216, 0.16);
  color: var(--paper);
}

/* ---------- 断点 ---------- */

@media (min-width: 720px) {
  .page-disclaimer .disc-index a {
    grid-template-columns: 52px 1fr;
    font-size: 16px;
    padding-block: 12px;
  }

  .page-disclaimer .disc-index::before {
    left: 25px;
  }

  .page-disclaimer .disc-shead {
    flex-direction: row;
    align-items: baseline;
    gap: 16px;
  }
}

@media (min-width: 980px) {
  .page-disclaimer .disc-hero {
    grid-template-columns: minmax(0, 1.08fr) minmax(0, 0.82fr);
    align-items: start;
    gap: clamp(36px, 5vw, 76px);
  }

  .page-disclaimer .disc-hero__aside {
    padding-top: 6px;
  }

  .page-disclaimer .disc-body {
    border-left: 1px solid var(--line-soft);
    padding-left: clamp(24px, 3vw, 48px);
    margin-left: clamp(0px, 1vw, 10px);
  }

  .page-disclaimer .disc-section {
    padding-block: clamp(34px, 4vw, 48px);
  }

  .page-disclaimer .disc-next {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: start;
    column-gap: 40px;
  }

  .page-disclaimer .disc-next__title {
    grid-column: 1 / -1;
  }

  .page-disclaimer .disc-next__list {
    grid-column: 1;
  }

  .page-disclaimer .disc-toplink {
    grid-column: 2;
    align-self: end;
  }
}
<<<END>>>