.page-disclaimer {
  --pd-sheet-max: 920px;
  --pd-gold-line: rgba(201, 162, 39, .55);
  background: var(--ink);
  color: var(--paper);
  padding-bottom: clamp(56px, 8vw, 112px);
  overflow-x: hidden;
}

/* ---------- 刊头 ---------- */
.page-disclaimer .pd-masthead {
  position: relative;
  padding: clamp(40px, 7vw, 88px) 0 clamp(38px, 6vw, 70px);
  overflow: hidden;
}

.page-disclaimer .pd-masthead::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(to right, var(--line-soft) 1px, transparent 1px),
    linear-gradient(to bottom, var(--line-soft) 1px, transparent 1px);
  background-size: 72px 72px;
  opacity: .32;
  pointer-events: none;
  z-index: 0;
}

.page-disclaimer .pd-masthead > .wrap {
  position: relative;
  z-index: 1;
}

.page-disclaimer .pd-crumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--muted);
}

.page-disclaimer .pd-crumb a {
  color: var(--muted);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color var(--fast) var(--ease), border-color var(--fast) var(--ease);
}

.page-disclaimer .pd-crumb a:hover,
.page-disclaimer .pd-crumb a:focus-visible {
  color: var(--gold-lift);
  border-bottom-color: var(--gold);
}

.page-disclaimer .pd-crumb__sep {
  color: var(--line);
}

.page-disclaimer .pd-crumb__current {
  color: var(--paper);
}

.page-disclaimer .pd-kicker {
  margin: clamp(26px, 4vw, 44px) 0 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .18em;
  color: var(--gold);
}

.page-disclaimer h1 {
  margin: 14px 0 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(42px, 10vw, 88px);
  line-height: 1.05;
  letter-spacing: .02em;
  color: var(--paper);
}

.page-disclaimer .pd-lede {
  margin: clamp(20px, 3vw, 28px) 0 0;
  max-width: 56ch;
  font-size: clamp(15.5px, 1.9vw, 17.5px);
  line-height: 1.9;
  color: var(--paper);
  opacity: .8;
}

/* ---------- 展面纸张 ---------- */
.page-disclaimer .pd-sheet {
  max-width: var(--pd-sheet-max);
  margin: 0 auto;
  background: var(--paper);
  color: var(--graphite);
  border-top: 2px solid var(--gold);
  padding: clamp(32px, 5.5vw, 72px) clamp(22px, 6vw, 80px) clamp(40px, 6vw, 88px);
}

/* ---------- 章节 ---------- */
.page-disclaimer .pd-sec + .pd-sec {
  margin-top: clamp(40px, 6vw, 72px);
  padding-top: clamp(32px, 5vw, 56px);
  border-top: 1px solid var(--paper-line);
}

.page-disclaimer .pd-sec__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(22px, 3.6vw, 32px);
  line-height: 1.34;
  letter-spacing: .01em;
  color: var(--ink);
  background-image: linear-gradient(var(--pd-gold-line), var(--pd-gold-line));
  background-repeat: no-repeat;
  background-position: 0 100%;
  background-size: 0% 1px;
  transition: background-size var(--slow) var(--ease);
}

.page-disclaimer .pd-sec__title:hover {
  background-size: 100% 1px;
}

.page-disclaimer .pd-tag {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 16px 0 0;
  padding-top: 10px;
  border-top: 1px solid var(--gold);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--graphite-soft);
}

.page-disclaimer .pd-tag::before {
  content: "";
  flex: none;
  width: 7px;
  height: 7px;
  background: var(--gold);
}

.page-disclaimer .pd-sec__body {
  margin-top: 22px;
}

.page-disclaimer .pd-sec__body p {
  margin: 0 0 16px;
  max-width: 60ch;
  font-size: clamp(15.5px, 1.7vw, 17px);
  line-height: 1.9;
  color: var(--graphite-soft);
}

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

.page-disclaimer .pd-sheet a {
  color: var(--ink);
  text-decoration: none;
  border-bottom: 1px solid var(--pd-gold-line);
  background-color: transparent;
  transition: background-color var(--fast) var(--ease), border-color var(--fast) var(--ease);
}

.page-disclaimer .pd-sheet a:hover,
.page-disclaimer .pd-sheet a:focus-visible {
  background-color: rgba(201, 162, 39, .18);
  border-bottom-color: var(--gold);
}

/* ---------- 三要素核对清单 ---------- */
.page-disclaimer .pd-checklist {
  list-style: none;
  margin: 4px 0 22px;
  padding: 0;
  border-top: 1px solid var(--paper-line);
}

.page-disclaimer .pd-checklist__item {
  display: grid;
  grid-template-columns: 16px 88px 1fr;
  gap: 4px 16px;
  align-items: start;
  padding: 14px 0;
  border-bottom: 1px solid var(--paper-line);
  transition: background-color var(--fast) var(--ease);
}

.page-disclaimer .pd-checklist__mark {
  width: 14px;
  height: 14px;
  margin-top: 6px;
  border: 1px solid var(--line);
  background: transparent;
  transition: background-color var(--fast) var(--ease), border-color var(--fast) var(--ease);
}

.page-disclaimer .pd-checklist__item:hover .pd-checklist__mark,
.page-disclaimer .pd-checklist__item:focus-within .pd-checklist__mark {
  background: var(--gold);
  border-color: var(--gold);
}

.page-disclaimer .pd-checklist__key {
  padding-top: 4px;
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: .08em;
  color: var(--ink);
}

.page-disclaimer .pd-checklist__val {
  font-size: clamp(15px, 1.6vw, 16px);
  line-height: 1.8;
  color: var(--graphite-soft);
}

/* ---------- 图与示意 ---------- */
.page-disclaimer .pd-figure {
  margin: clamp(26px, 4vw, 40px) 0 0;
}

.page-disclaimer .pd-figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
}

.page-disclaimer .pd-figure .media-frame__caption {
  display: block;
  margin-top: 12px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .06em;
  line-height: 1.7;
  color: var(--graphite-soft);
}

.page-disclaimer .pd-diagram {
  display: block;
  width: 100%;
  max-width: 620px;
  height: auto;
  margin: clamp(22px, 3vw, 32px) 0 0;
}

.page-disclaimer .pd-diagram text {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .08em;
  fill: var(--graphite-soft);
}

.page-disclaimer .pd-diagram__box {
  fill: none;
  stroke: var(--line);
  stroke-width: 1;
}

.page-disclaimer .pd-diagram__path {
  fill: none;
  stroke: var(--gold);
  stroke-width: 1.5;
  stroke-dasharray: 5 6;
}

.page-disclaimer .pd-diagram__dot {
  fill: var(--gold);
}

/* ---------- 编号清单 ---------- */
.page-disclaimer .pd-list {
  list-style: none;
  margin: 6px 0 22px;
  padding: 0;
  border-top: 1px solid var(--paper-line);
}

.page-disclaimer .pd-list li {
  display: grid;
  grid-template-columns: 30px 1fr;
  gap: 14px;
  align-items: start;
  padding: 13px 0;
  border-bottom: 1px solid var(--paper-line);
}

.page-disclaimer .pd-list__idx {
  padding-top: 4px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--graphite-soft);
}

.page-disclaimer .pd-list__text {
  font-size: clamp(15px, 1.6vw, 16px);
  line-height: 1.8;
  color: var(--graphite-soft);
}

/* ---------- 联系与备案 ---------- */
.page-disclaimer .pd-contact {
  margin-top: 22px;
  border-top: 1px solid var(--paper-line);
}

.page-disclaimer .pd-contact__row {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 6px 18px;
  padding: 15px 0;
  border-bottom: 1px solid var(--paper-line);
}

.page-disclaimer .pd-contact__key {
  flex: 0 0 78px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--graphite-soft);
}

.page-disclaimer .pd-contact__val {
  font-size: clamp(15px, 1.6vw, 16.5px);
  line-height: 1.7;
  color: var(--ink);
  word-break: break-word;
}

.page-disclaimer .pd-mono {
  font-family: var(--font-mono);
  letter-spacing: .06em;
  word-break: break-all;
}

.page-disclaimer .pd-copy {
  flex: none;
  appearance: none;
  margin-left: auto;
  padding: 6px 12px;
  background: transparent;
  border: 1px solid var(--line);
  color: var(--ink);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .08em;
  cursor: pointer;
  transition: border-color var(--fast) var(--ease), background-color var(--fast) var(--ease);
}

.page-disclaimer .pd-copy:hover {
  border-color: var(--gold);
  background-color: rgba(201, 162, 39, .14);
}

.page-disclaimer .pd-copy:focus-visible {
  outline: 2px solid var(--gold);
  outline-offset: 2px;
}

.page-disclaimer .pd-copy-status {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--jade);
}

.page-disclaimer .pd-note {
  margin: 20px 0 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--graphite-soft);
}

/* ---------- 响应式 ---------- */
@media (max-width: 620px) {
  .page-disclaimer .pd-masthead::after {
    background-size: 48px 48px;
  }

  .page-disclaimer .pd-sec__title {
    line-height: 1.4;
  }

  .page-disclaimer .pd-checklist__item {
    grid-template-columns: 16px 1fr;
    gap: 2px 14px;
  }

  .page-disclaimer .pd-checklist__mark {
    grid-row: 1 / span 2;
  }

  .page-disclaimer .pd-checklist__key {
    grid-column: 2;
    grid-row: 1;
    padding-top: 0;
  }

  .page-disclaimer .pd-checklist__val {
    grid-column: 2;
    grid-row: 2;
  }

  .page-disclaimer .pd-contact__row {
    gap: 4px 14px;
  }

  .page-disclaimer .pd-contact__key {
    flex: 0 0 100%;
  }

  .page-disclaimer .pd-copy {
    margin-left: 0;
  }
}

@media (min-width: 900px) {
  .page-disclaimer .pd-diagram {
    max-width: 100%;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-disclaimer .pd-sec__title,
  .page-disclaimer .pd-checklist__mark,
  .page-disclaimer .pd-copy,
  .page-disclaimer .pd-crumb a,
  .page-disclaimer .pd-sheet a {
    transition: color var(--fast) var(--ease);
  }

  .page-disclaimer .pd-sec__title:hover {
    background-size: 0% 1px;
  }
}