.page-disclaimer {
  --doc-gutter: clamp(16px, 4vw, 40px);
  --doc-panel: 880px;
  --doc-rule: rgba(14, 27, 44, .14);
  --doc-rule-soft: rgba(14, 27, 44, .09);
  --doc-muted: rgba(22, 38, 58, .66);
  padding-bottom: clamp(48px, 8vw, 96px);
}

.page-disclaimer .breadcrumb {
  padding-top: clamp(18px, 3.5vw, 30px);
}

/* ---------- 封面 ---------- */
.page-disclaimer .doc-hero {
  display: grid;
  gap: clamp(24px, 4vw, 44px);
  padding: clamp(26px, 4.5vw, 54px) 0 clamp(18px, 3vw, 30px);
}

.page-disclaimer .doc-hero__title {
  margin: 10px 0 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(52px, 11vw, 112px);
  line-height: .9;
  letter-spacing: -.02em;
  color: var(--paper);
}

.page-disclaimer .doc-hero__intro {
  max-width: 46ch;
  margin: clamp(16px, 2.5vw, 26px) 0 0;
  font-size: 16px;
  line-height: 1.85;
  color: var(--mist);
}

.page-disclaimer .doc-meta {
  display: grid;
  border: 1px solid var(--line-strong);
  border-left: 2px solid var(--signal);
  background: rgba(31, 51, 80, .45);
  padding: 4px clamp(14px, 2vw, 20px);
}

.page-disclaimer .doc-meta__row {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 16px;
  padding: 11px 0;
  border-bottom: 1px solid var(--line);
}

.page-disclaimer .doc-meta__row:last-child {
  border-bottom: 0;
}

.page-disclaimer .doc-meta__key {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--stone);
}

.page-disclaimer .doc-meta__val {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .02em;
  color: var(--paper);
  text-align: right;
}

/* ---------- 图片 ---------- */
.page-disclaimer .doc-plate {
  margin: clamp(28px, 5vw, 60px) 0 0;
  padding: 0 var(--doc-gutter);
}

.page-disclaimer .doc-plate img {
  display: block;
  width: 100%;
  max-width: 1200px;
  height: auto;
  margin: 0 auto;
  object-fit: cover;
  border-top: 1px solid var(--line-strong);
  border-bottom: 1px solid var(--line);
}

.page-disclaimer .doc-plate figcaption {
  max-width: 880px;
  margin: 10px auto 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .04em;
  line-height: 1.7;
  color: var(--stone);
}

/* ---------- 账簿主体 ---------- */
.page-disclaimer .ledger {
  width: min(var(--doc-panel), calc(100% - 32px));
  margin: clamp(32px, 5vw, 64px) auto 0;
  padding: clamp(26px, 4.5vw, 54px) clamp(20px, 4.5vw, 52px) clamp(30px, 5vw, 56px);
  background-color: var(--paper);
  background-image: radial-gradient(rgba(14, 27, 44, .055) 1px, transparent 1px);
  background-size: 13px 13px;
  border-top: 3px solid var(--signal);
  box-shadow: 12px 12px 0 rgba(227, 220, 205, .13), 0 30px 70px rgba(0, 0, 0, .38);
}

.page-disclaimer .ledger__entry {
  display: grid;
  gap: 6px;
  padding: clamp(24px, 3.4vw, 34px) 0;
  border-top: 1px solid var(--doc-rule);
}

.page-disclaimer .ledger__entry:first-child {
  border-top: 0;
  padding-top: 0;
}

.page-disclaimer .ledger__tick {
  font-size: 13px;
  font-weight: 500;
  letter-spacing: .1em;
  color: var(--clay);
}

.page-disclaimer .ledger__title {
  margin: 0 0 14px;
  font-family: var(--font-serif);
  font-weight: 600;
  font-size: clamp(21px, 2.6vw, 27px);
  line-height: 1.42;
  color: var(--ink-900);
}

.page-disclaimer .ledger__body p {
  max-width: 62ch;
  margin: 0 0 14px;
  font-size: 16px;
  line-height: 1.85;
  color: var(--ink-800);
}

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

.page-disclaimer .ledger__body a {
  color: var(--ink-900);
  text-decoration: underline;
  text-decoration-color: var(--clay);
  text-decoration-thickness: 1px;
  text-underline-offset: 4px;
  transition: color 160ms var(--ease), text-decoration-color 160ms var(--ease);
}

.page-disclaimer .ledger__body a:hover {
  color: var(--clay);
  text-decoration-color: var(--signal);
}

.page-disclaimer .ledger__body a:focus-visible {
  outline: 2px solid var(--clay);
  outline-offset: 3px;
}

/* ---------- 数据条 ---------- */
.page-disclaimer .ledger__stats {
  display: grid;
  margin: 20px 0 0;
  border-top: 1px solid var(--doc-rule);
}

.page-disclaimer .ledger__stats > div {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 16px;
  padding: 11px 0;
  border-bottom: 1px solid var(--doc-rule-soft);
}

.page-disclaimer .ledger__stats dt {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .07em;
  color: var(--doc-muted);
}

.page-disclaimer .ledger__stats dd {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 14px;
  letter-spacing: .02em;
  color: var(--ink-900);
}

/* ---------- 引用编号清单 ---------- */
.page-disclaimer .cite-list {
  counter-reset: cite;
  list-style: none;
  margin: 16px 0 18px;
  padding: 0;
}

.page-disclaimer .cite-list li {
  counter-increment: cite;
  display: grid;
  grid-template-columns: 40px minmax(0, 1fr);
  gap: 10px;
  padding: 12px 0;
  border-top: 1px solid var(--doc-rule-soft);
  font-size: 16px;
  line-height: 1.75;
  color: var(--ink-800);
}

.page-disclaimer .cite-list li::before {
  content: counter(cite, decimal-leading-zero);
  padding-top: 3px;
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 500;
  letter-spacing: .06em;
  color: var(--clay);
}

/* ---------- 两步流程 ---------- */
.page-disclaimer .step-pair {
  display: grid;
  gap: 14px;
  margin: 18px 0 20px;
}

.page-disclaimer .step-pair > div {
  padding: 4px 0 4px 16px;
  border-left: 2px solid var(--clay);
}

.page-disclaimer .step-pair h3 {
  margin: 0 0 7px;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: .1em;
  color: var(--clay);
}

.page-disclaimer .step-pair p {
  margin: 0;
  font-size: 15px;
  line-height: 1.75;
}

/* ---------- 折叠层 ---------- */
.page-disclaimer .ledger-more,
.page-disclaimer .rev-more {
  margin-top: 18px;
  border-top: 1px solid var(--doc-rule);
}

.page-disclaimer .rev-more {
  margin-top: 22px;
}

.page-disclaimer .ledger-more summary,
.page-disclaimer .rev-more summary {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 14px 0;
  cursor: pointer;
  list-style: none;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .05em;
  color: var(--ink-700);
}

.page-disclaimer .ledger-more summary::-webkit-details-marker,
.page-disclaimer .rev-more summary::-webkit-details-marker {
  display: none;
}

.page-disclaimer .ledger-more summary::before,
.page-disclaimer .rev-more summary::before {
  content: "+";
  flex: none;
  width: 18px;
  height: 18px;
  display: grid;
  place-items: center;
  border: 1px solid var(--doc-rule);
  font-size: 13px;
  line-height: 1;
  color: var(--clay);
  transition: transform 220ms var(--ease);
}

.page-disclaimer .ledger-more[open] summary::before,
.page-disclaimer .rev-more[open] summary::before {
  content: "–";
}

.page-disclaimer .ledger-more summary:focus-visible,
.page-disclaimer .rev-more summary:focus-visible {
  outline: 2px solid var(--clay);
  outline-offset: 3px;
}

.page-disclaimer .ledger-more ul,
.page-disclaimer .rev-more ul {
  margin: 0;
  padding: 0 0 6px;
  list-style: none;
}

.page-disclaimer .ledger-more li,
.page-disclaimer .rev-more li {
  padding: 10px 0 10px 14px;
  border-top: 1px solid var(--doc-rule-soft);
  font-size: 15px;
  line-height: 1.75;
  color: var(--ink-800);
}

.page-disclaimer .ledger-more li::before,
.page-disclaimer .rev-more li::before {
  content: "";
  display: inline-block;
  width: 6px;
  height: 1px;
  margin-right: 8px;
  vertical-align: 4px;
  background: var(--clay);
}

.page-disclaimer .rev-more li .mono {
  margin-right: 8px;
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--clay);
}

/* ---------- 修订表 ---------- */
.page-disclaimer .rev-wrap {
  margin-top: 16px;
  overflow-x: auto;
}

.page-disclaimer .rev-table {
  width: 100%;
  min-width: 460px;
  border-collapse: collapse;
  font-size: 15px;
}

.page-disclaimer .rev-table th {
  padding: 0 12px 10px 0;
  text-align: left;
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: .1em;
  color: var(--doc-muted);
  border-bottom: 1px solid rgba(14, 27, 44, .3);
}

.page-disclaimer .rev-table td {
  padding: 12px 12px 12px 0;
  vertical-align: top;
  line-height: 1.7;
  color: var(--ink-800);
  border-bottom: 1px solid var(--doc-rule-soft);
}

.page-disclaimer .rev-table td:first-child {
  width: 74px;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .04em;
  color: var(--clay);
  white-space: nowrap;
}

.page-disclaimer .rev-table td:last-child {
  width: 72px;
  font-size: 13px;
  color: var(--doc-muted);
  white-space: nowrap;
}

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .page-disclaimer .ledger__stats {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-disclaimer .ledger__stats > div {
    display: block;
    padding: 14px 18px 14px 0;
    border-bottom: 0;
    border-right: 1px solid var(--doc-rule-soft);
  }

  .page-disclaimer .ledger__stats > div:last-child {
    padding-right: 0;
    border-right: 0;
  }

  .page-disclaimer .ledger__stats > div:not(:first-child) {
    padding-left: 18px;
  }

  .page-disclaimer .ledger__stats dd {
    margin-top: 7px;
    font-size: 18px;
  }
}

@media (min-width: 768px) {
  .page-disclaimer .ledger__entry {
    grid-template-columns: 76px minmax(0, 1fr);
    column-gap: 30px;
  }

  .page-disclaimer .ledger__tick {
    padding-right: 16px;
    text-align: right;
    border-right: 1px solid rgba(14, 27, 44, .2);
  }

  .page-disclaimer .step-pair {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 20px;
  }
}

@media (min-width: 900px) {
  .page-disclaimer .doc-hero {
    grid-template-columns: minmax(0, 1.6fr) minmax(0, .85fr);
    align-items: end;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-disclaimer .ledger-more summary::before,
  .page-disclaimer .rev-more summary::before,
  .page-disclaimer .ledger__body a {
    transition: none;
  }
}