.page-disclaimer {
  --pd-measure: 40rem;
  --pd-glow: radial-gradient(circle at 62% 38%, rgba(47, 163, 107, .42), rgba(22, 121, 76, .12) 52%, transparent 72%);
  background: var(--paper-050);
  color: var(--text-900);
  overflow-x: hidden;
}

/* ---------- 首屏 ---------- */
.page-disclaimer .pd-hero {
  position: relative;
  background:
    linear-gradient(118deg, var(--ink-900) 0%, var(--ink-900) 58%, var(--ink-700) 100%);
  color: var(--on-ink);
  padding: clamp(1.25rem, 3vw, 2rem) 0 clamp(2.25rem, 5vw, 3.5rem);
  overflow: hidden;
}

.page-disclaimer .pd-hero::after {
  content: "";
  position: absolute;
  right: -14%;
  bottom: -42%;
  width: min(46rem, 92%);
  height: 108%;
  background: var(--pd-glow);
  pointer-events: none;
}

.page-disclaimer .pd-hero__grid {
  position: relative;
  z-index: 1;
  display: grid;
  gap: clamp(1.5rem, 4vw, 2.5rem);
}

.page-disclaimer .pd-hero__eyebrow {
  margin: 1.1rem 0 0;
  color: var(--whistle-300);
}

.page-disclaimer .pd-hero__title {
  font-family: var(--font-display);
  font-weight: 800;
  letter-spacing: -0.02em;
  font-size: clamp(1.85rem, 5.2vw, 3.2rem);
  line-height: 1.1;
  margin: .55rem 0 1rem;
  color: var(--on-ink);
}

.page-disclaimer .pd-hero__lead {
  max-width: 34rem;
  margin: 0;
  font-size: clamp(.95rem, 1.6vw, 1.05rem);
  line-height: 1.8;
  color: var(--on-ink-dim);
}

.page-disclaimer .pd-hero__meta {
  list-style: none;
  margin: 1.4rem 0 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: .5rem .55rem;
}

.page-disclaimer .pd-hero__meta li {
  display: inline-flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: .4rem;
  padding: .35rem .65rem;
  border: 1px solid rgba(245, 247, 244, .2);
  border-radius: var(--radius);
  background: rgba(245, 247, 244, .05);
  font-family: var(--font-mono);
  font-size: .74rem;
  letter-spacing: .02em;
  color: var(--on-ink-dim);
}

.page-disclaimer .pd-hero__meta li span {
  color: var(--whistle-600);
  letter-spacing: .1em;
}

.page-disclaimer .pd-hero__figure {
  margin: 0;
  border: 1px solid rgba(245, 247, 244, .22);
  border-radius: var(--radius);
  background: rgba(245, 247, 244, .04);
  overflow: hidden;
}

.page-disclaimer .pd-hero__frame {
  overflow: hidden;
}

.page-disclaimer .pd-hero__frame img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
  filter: saturate(.72) contrast(1.06) brightness(.92);
}

.page-disclaimer .pd-hero__caption {
  padding: .55rem .75rem .7rem;
  font-family: var(--font-mono);
  font-size: .72rem;
  line-height: 1.6;
  letter-spacing: .02em;
  color: var(--on-ink-faint);
  border-top: 1px solid rgba(245, 247, 244, .14);
}

/* ---------- 章节锚点导航 ---------- */
.page-disclaimer .pd-toc {
  background: var(--paper-100);
  border-bottom: 1px solid var(--line-300);
}

.page-disclaimer .pd-toc__inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: .55rem .8rem;
  padding: .8rem 0;
}

.page-disclaimer .pd-toc__label {
  font-family: var(--font-mono);
  font-size: .7rem;
  letter-spacing: .16em;
  color: var(--text-600);
}

.page-disclaimer .pd-toc__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: .4rem;
}

.page-disclaimer .pd-toc__link {
  display: inline-flex;
  align-items: center;
  gap: .4rem;
  padding: .32rem .6rem;
  border: 1px solid var(--line-300);
  border-radius: var(--radius);
  background: var(--paper-050);
  color: var(--text-900);
  font-size: .82rem;
  text-decoration: none;
  transition: border-color .18s ease, background-color .18s ease, transform .18s ease;
}

.page-disclaimer .pd-toc__link:hover,
.page-disclaimer .pd-toc__link:focus-visible {
  border-color: var(--pitch-600);
  background: #fff;
  transform: translateY(-1px);
}

.page-disclaimer .pd-toc__num {
  font-family: var(--font-mono);
  font-size: .7rem;
  color: var(--pitch-600);
}

/* ---------- 文档主体 ---------- */
.page-disclaimer .pd-doc {
  padding: clamp(1.5rem, 4vw, 2.5rem) 0 clamp(2rem, 5vw, 3rem);
}

.page-disclaimer .pd-chapter {
  display: grid;
  gap: .55rem;
  max-width: 64rem;
  padding: clamp(1.5rem, 3.5vw, 2.4rem) 0;
  border-top: 1px solid var(--line-300);
}

.page-disclaimer .pd-chapter:first-of-type {
  border-top: 0;
  padding-top: clamp(1.25rem, 3vw, 2rem);
}

.page-disclaimer .pd-chapter__num {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: .95rem;
  letter-spacing: .08em;
  color: var(--pitch-600);
}

.page-disclaimer .pd-chapter__num::after {
  content: "";
  display: block;
  width: 2.2rem;
  height: 2px;
  margin-top: .45rem;
  background: linear-gradient(90deg, var(--pitch-600), var(--whistle-600));
}

.page-disclaimer .pd-chapter__col {
  max-width: var(--pd-measure);
}

.page-disclaimer .pd-chapter__title {
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: clamp(1.2rem, 2.6vw, 1.65rem);
  line-height: 1.36;
  margin: 0 0 .7rem;
  color: var(--text-900);
}

.page-disclaimer .pd-chapter__col p {
  margin: 0 0 .8rem;
  font-size: .97rem;
  line-height: 1.78;
  color: var(--text-600);
}

/* ---------- 要点列表 ---------- */
.page-disclaimer .pd-list {
  list-style: none;
  margin: 1.1rem 0 0;
  padding: 0;
  display: grid;
  gap: .55rem;
}

.page-disclaimer .pd-list > li {
  padding: .7rem .85rem;
  background: var(--paper-100);
  border-left: 3px solid var(--pitch-600);
  border-radius: 0 var(--radius) var(--radius) 0;
  font-size: .93rem;
  line-height: 1.72;
  color: var(--text-600);
}

.page-disclaimer .pd-list--tight > li {
  background: transparent;
  border-left-color: var(--whistle-600);
  border-bottom: 1px dashed var(--line-300);
  border-radius: 0;
}

.page-disclaimer .pd-list__tag {
  display: block;
  margin-bottom: .18rem;
  font-family: var(--font-mono);
  font-size: .72rem;
  letter-spacing: .12em;
  color: var(--pitch-600);
}

/* ---------- 更新节奏时间线 ---------- */
.page-disclaimer .pd-timeline {
  list-style: none;
  margin: 1.1rem 0 0;
  padding: 0;
  display: grid;
  gap: .1rem;
}

.page-disclaimer .pd-timeline > li {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: .2rem;
  padding: .7rem 0;
  border-bottom: 1px dashed var(--line-300);
}

.page-disclaimer .pd-timeline > li:last-child {
  border-bottom: 0;
}

.page-disclaimer .pd-timeline__time {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: .8rem;
  font-weight: 600;
  letter-spacing: .02em;
  color: var(--pitch-600);
}

.page-disclaimer .pd-timeline p {
  margin: 0;
  font-size: .93rem;
  line-height: 1.72;
  color: var(--text-600);
}

/* ---------- 纠错与联系 ---------- */
.page-disclaimer .pd-feedback {
  position: relative;
  background: linear-gradient(150deg, var(--ink-800) 0%, var(--ink-900) 74%);
  color: var(--on-ink);
  padding: clamp(2rem, 5vw, 3.25rem) 0;
  overflow: hidden;
}

.page-disclaimer .pd-feedback::before {
  content: "";
  position: absolute;
  left: -12%;
  top: -50%;
  width: min(34rem, 80%);
  height: 160%;
  background: radial-gradient(circle at 40% 50%, rgba(233, 255, 90, .16), transparent 68%);
  pointer-events: none;
}

.page-disclaimer .pd-feedback__grid {
  position: relative;
  z-index: 1;
  display: grid;
  gap: clamp(1.5rem, 4vw, 2.75rem);
}

.page-disclaimer .pd-feedback__num {
  display: inline-block;
  padding: .18rem .5rem;
  background: var(--whistle-300);
  color: var(--ink-900);
  border-radius: var(--radius);
  font-family: var(--font-mono);
  font-size: .8rem;
  font-weight: 700;
}

.page-disclaimer .pd-feedback__title {
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: clamp(1.3rem, 3vw, 1.85rem);
  line-height: 1.34;
  margin: .85rem 0 .7rem;
  color: var(--on-ink);
}

.page-disclaimer .pd-feedback__lead {
  margin: 0;
  max-width: 30rem;
  font-size: .95rem;
  line-height: 1.78;
  color: var(--on-ink-dim);
}

.page-disclaimer .pd-contact {
  display: grid;
  gap: .1rem;
  border-top: 1px solid rgba(245, 247, 244, .18);
}

.page-disclaimer .pd-contact__row {
  display: grid;
  gap: .15rem;
  padding: .65rem 0;
  border-bottom: 1px solid rgba(245, 247, 244, .14);
}

.page-disclaimer .pd-contact__label {
  font-family: var(--font-mono);
  font-size: .71rem;
  letter-spacing: .14em;
  color: var(--whistle-600);
}

.page-disclaimer .pd-contact__value {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: .92rem;
  line-height: 1.6;
  color: var(--on-ink);
  word-break: break-word;
}

.page-disclaimer .pd-feedback__note {
  margin: 1rem 0 0;
  font-size: .85rem;
  line-height: 1.7;
  color: var(--on-ink-faint);
}

.page-disclaimer .pd-feedback__links {
  margin: .9rem 0 0;
  font-size: .9rem;
  line-height: 1.8;
  color: var(--on-ink-dim);
}

.page-disclaimer .pd-feedback__links a {
  color: var(--whistle-600);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-disclaimer .pd-feedback__links a:hover,
.page-disclaimer .pd-feedback__links a:focus-visible {
  color: var(--whistle-300);
}

/* ---------- 回到顶部 ---------- */
.page-disclaimer .pd-top {
  padding: 1rem 0 2rem;
  display: flex;
  justify-content: flex-end;
}

.page-disclaimer .pd-top__link {
  display: inline-flex;
  align-items: center;
  gap: .4rem;
  padding: .45rem .8rem;
  border: 1px solid var(--line-300);
  border-radius: var(--radius);
  background: var(--paper-100);
  color: var(--text-600);
  font-family: var(--font-mono);
  font-size: .78rem;
  letter-spacing: .06em;
  text-decoration: none;
  transition: border-color .18s ease, color .18s ease;
}

.page-disclaimer .pd-top__link:hover,
.page-disclaimer .pd-top__link:focus-visible {
  border-color: var(--pitch-600);
  color: var(--pitch-600);
}

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .page-disclaimer .pd-timeline > li {
    grid-template-columns: 8.5rem minmax(0, 1fr);
    gap: .2rem 1rem;
    align-items: baseline;
  }

  .page-disclaimer .pd-contact__row {
    grid-template-columns: 9.5rem minmax(0, 1fr);
    align-items: baseline;
    gap: 1rem;
  }
}

@media (min-width: 900px) {
  .page-disclaimer .pd-hero__grid {
    grid-template-columns: minmax(0, 1.12fr) minmax(0, .88fr);
    align-items: end;
    gap: clamp(2rem, 4vw, 3.25rem);
  }

  .page-disclaimer .pd-chapter {
    grid-template-columns: 6rem minmax(0, var(--pd-measure)) minmax(0, 1fr);
    column-gap: clamp(1rem, 2.6vw, 2rem);
    align-items: start;
  }

  .page-disclaimer .pd-chapter__num {
    padding-top: .3rem;
  }

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

  .page-disclaimer .pd-feedback__grid {
    grid-template-columns: minmax(0, .9fr) minmax(0, 1.1fr);
    align-items: start;
    gap: clamp(2rem, 5vw, 3.5rem);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-disclaimer .pd-toc__link,
  .page-disclaimer .pd-top__link {
    transition: none;
  }
}