.page-disclaimer {
  --pd-col: 68ch;
  --pd-rule: 1px solid var(--rock-200);
  --pd-ink-soft: #36403c;
  display: block;
  background: var(--paper-100);
  color: var(--ink-900);
}

.page-disclaimer [id] {
  scroll-margin-top: calc(var(--bar-h) + 24px);
}

/* ---------- 页首 ---------- */

.page-disclaimer .pd-hero {
  position: relative;
  overflow: hidden;
  padding-block: 30px 0;
}

.page-disclaimer .pd-hero::before {
  content: "";
  position: absolute;
  top: -120px;
  right: -80px;
  width: 420px;
  height: 420px;
  background: repeating-linear-gradient(-24deg, rgba(200, 145, 47, 0.14) 0 1px, transparent 1px 16px);
  pointer-events: none;
}

.page-disclaimer .pd-hero__inner {
  position: relative;
  z-index: 1;
}

.page-disclaimer .pd-hero__txt {
  max-width: 760px;
  padding-block: 18px 30px;
}

.page-disclaimer .pd-lede {
  max-width: 62ch;
  margin: 16px 0 0;
  font-size: 17px;
  line-height: 1.85;
  color: var(--pd-ink-soft);
}

.page-disclaimer .pd-slash {
  display: block;
  width: 100%;
  height: 3px;
  margin-top: 6px;
  background: linear-gradient(90deg, var(--sand-500) 0 22%, rgba(200, 145, 47, 0.18) 22% 100%);
  transform: skewX(-26deg) translateX(0);
}

/* ---------- 首屏视觉 ---------- */

.page-disclaimer .pd-visual {
  margin-top: 32px;
  margin-bottom: 0;
}

.page-disclaimer .pd-visual__img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 1600 / 560;
  object-fit: cover;
  background: var(--paper-300);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 22px), calc(100% - 22px) 100%, 0 100%);
}

.page-disclaimer .pd-visual .fig-cap {
  margin-top: 10px;
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--rock-600);
}

/* ---------- 主体骨架 ---------- */

.page-disclaimer .pd-body {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 28px;
  padding-block: 40px 0;
}

/* ---------- 章节索引 ---------- */

.page-disclaimer .pd-index {
  border-top: 3px solid var(--sand-500);
  padding-top: 14px;
}

.page-disclaimer .pd-index__title {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--rock-600);
}

.page-disclaimer .pd-index__list {
  display: flex;
  gap: 4px;
  margin: 0;
  padding: 0 0 6px;
  list-style: none;
  overflow-x: auto;
  scrollbar-width: thin;
}

.page-disclaimer .pd-index__list a {
  display: block;
  padding: 6px 10px 8px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--rock-600);
  text-decoration: none;
  white-space: nowrap;
  border-bottom: 2px solid transparent;
  transition: color 0.2s ease, border-color 0.2s ease;
}

.page-disclaimer .pd-index__list a:hover,
.page-disclaimer .pd-index__list a:focus-visible {
  color: var(--ink-900);
}

.page-disclaimer .pd-index__list a.is-active {
  color: var(--sand-500);
  border-bottom-color: var(--sand-500);
}

/* ---------- 正文 ---------- */

.page-disclaimer .pd-article {
  max-width: var(--pd-col);
}

.page-disclaimer .pd-sec {
  position: relative;
}

.page-disclaimer .pd-sec + .pd-sec {
  margin-top: 42px;
  padding-top: 34px;
  border-top: var(--pd-rule);
}

.page-disclaimer .pd-sec + .pd-sec::after {
  content: "";
  position: absolute;
  top: -2px;
  left: 0;
  width: 62px;
  height: 3px;
  background: var(--sand-500);
  transform: skewX(-26deg);
}

.page-disclaimer .pd-sec__num {
  display: block;
  margin: 0 0 8px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.2em;
  color: var(--sand-500);
}

.page-disclaimer .pd-article h2 {
  margin: 0 0 16px;
}

.page-disclaimer .pd-article p {
  margin: 0 0 16px;
  font-size: 16.5px;
  line-height: 1.85;
  color: var(--pd-ink-soft);
}

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

.page-disclaimer .pd-article a {
  color: var(--cyan-500);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-disclaimer .pd-article a:hover {
  color: var(--sand-500);
}

/* ---------- 引用示例块 ---------- */

.page-disclaimer .pd-cite {
  margin: 22px 0 0;
  padding: 20px 20px 16px;
  background: var(--ink-900);
  border-left: 3px solid var(--sand-500);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 18px), calc(100% - 18px) 100%, 0 100%);
}

.page-disclaimer .pd-cite p {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin: 0 0 8px;
  font-family: var(--font-mono);
  font-size: 12.5px;
  line-height: 1.7;
  color: var(--paper-300);
}

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

.page-disclaimer .pd-cite span {
  flex: 0 0 58px;
  color: var(--sand-300);
  letter-spacing: 0.12em;
}

/* ---------- 复制按钮 ---------- */

.page-disclaimer .pd-copy {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-top: 14px;
  padding: 8px 16px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--sand-500);
  background: transparent;
  border: 1px solid rgba(200, 145, 47, 0.55);
  cursor: pointer;
  transition: background 0.2s ease, color 0.2s ease, border-color 0.2s ease;
}

.page-disclaimer .pd-copy:hover,
.page-disclaimer .pd-copy:focus-visible {
  background: rgba(200, 145, 47, 0.14);
  color: var(--ink-900);
}

.page-disclaimer .pd-copy.is-copied {
  color: var(--ink-900);
  background: var(--pitch-500);
  border-color: var(--pitch-500);
}

.page-disclaimer .pd-copy--sm {
  margin-top: 0;
  padding: 4px 10px;
  font-size: 11px;
  color: var(--sand-300);
  border-color: rgba(227, 190, 114, 0.5);
}

.page-disclaimer .pd-copy--sm:hover,
.page-disclaimer .pd-copy--sm:focus-visible {
  background: rgba(227, 190, 114, 0.16);
  color: var(--paper-100);
}

/* ---------- 页尾联系方式 ---------- */

.page-disclaimer .pd-outro {
  position: relative;
  margin-top: 60px;
  padding-block: 46px 54px;
  background: var(--ink-900);
  color: var(--paper-100);
}

.page-disclaimer .pd-outro::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--sand-500) 0 26%, rgba(200, 145, 47, 0.16) 26% 100%);
}

.page-disclaimer .pd-outro__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 30px;
}

.page-disclaimer .pd-outro .eyebrow {
  color: var(--sand-300);
}

.page-disclaimer .pd-outro h2 {
  margin: 6px 0 14px;
  color: var(--paper-100);
}

.page-disclaimer .pd-outro__lead p {
  max-width: 56ch;
  margin: 0 0 14px;
  font-size: 16px;
  line-height: 1.8;
  color: rgba(244, 237, 225, 0.76);
}

.page-disclaimer .pd-outro__links {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 20px;
}

.page-disclaimer .pd-outro__links a {
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: 0.06em;
  color: var(--sand-300);
  text-decoration: none;
  border-bottom: 1px solid rgba(227, 190, 114, 0.45);
  padding-bottom: 2px;
}

.page-disclaimer .pd-outro__links a:hover {
  color: var(--paper-100);
  border-bottom-color: var(--paper-100);
}

.page-disclaimer .pd-contact {
  border-top: 1px solid rgba(244, 237, 225, 0.18);
}

.page-disclaimer .pd-contact__row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  padding: 13px 0;
  border-bottom: 1px solid rgba(244, 237, 225, 0.1);
}

.page-disclaimer .pd-contact__row--last {
  border-bottom: none;
}

.page-disclaimer .pd-contact__k {
  flex: 0 0 52px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--sand-300);
}

.page-disclaimer .pd-contact__v {
  flex: 1 1 180px;
  min-width: 0;
  font-family: var(--font-mono);
  font-size: 13.5px;
  line-height: 1.6;
  color: var(--paper-100);
  word-break: break-word;
}

/* ---------- 响应式 ---------- */

@media (min-width: 620px) {
  .page-disclaimer .pd-hero__txt {
    padding-block: 24px 34px;
  }

  .page-disclaimer .pd-lede {
    font-size: 18px;
  }

  .page-disclaimer .pd-article p {
    font-size: 17px;
  }

  .page-disclaimer .pd-cite {
    padding: 24px 26px 20px;
  }

  .page-disclaimer .pd-cite p {
    font-size: 13px;
  }
}

@media (min-width: 880px) {
  .page-disclaimer .pd-body {
    grid-template-columns: 208px minmax(0, 1fr);
    gap: 60px;
    padding-block: 56px 0;
  }

  .page-disclaimer .pd-index {
    position: sticky;
    top: calc(var(--bar-h) + 28px);
  }

  .page-disclaimer .pd-index__list {
    display: block;
    overflow: visible;
    padding-bottom: 0;
  }

  .page-disclaimer .pd-index__list li + li {
    margin-top: 2px;
  }

  .page-disclaimer .pd-index__list a {
    white-space: normal;
    padding: 7px 0 7px 12px;
    border-bottom: none;
    border-left: 2px solid transparent;
  }

  .page-disclaimer .pd-index__list a.is-active {
    border-bottom-color: transparent;
    border-left-color: var(--sand-500);
  }

  .page-disclaimer .pd-sec + .pd-sec {
    margin-top: 52px;
    padding-top: 40px;
  }

  .page-disclaimer .pd-outro__grid {
    grid-template-columns: 7fr 5fr;
    gap: 56px;
    align-items: start;
  }

  .page-disclaimer .pd-outro {
    margin-top: 72px;
    padding-block: 54px 62px;
  }
}

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

  .page-disclaimer .pd-slash {
    transform: skewX(-26deg);
  }
}