.page-disclaimer {
  --pd-rule: #1E2A47;
  --pd-board-plate: rgba(242, 234, 216, 0.04);
  --pd-sample-bg: #0E1530;
  position: relative;
  overflow-x: hidden;
}

.page-disclaimer .breadcrumb {
  padding: 26px 0 0;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.08em;
}

/* ---------- 首屏 ---------- */

.page-disclaimer .pd-hero {
  padding: 40px 0 0;
}

.page-disclaimer .pd-hero__inner {
  display: grid;
  gap: 0;
  max-width: 900px;
}

.page-disclaimer .pd-hero__eyebrow {
  margin: 0 0 20px;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--cyan);
}

.page-disclaimer .pd-hero__title {
  margin: 0 0 22px;
  font-family: var(--sans);
  font-weight: 900;
  font-size: clamp(30px, 8vw, 58px);
  line-height: 1.08;
  letter-spacing: -0.02em;
  color: var(--white);
}

.page-disclaimer .pd-hero__lead {
  margin: 0;
  max-width: 60ch;
  font-size: 16px;
  line-height: 1.85;
  color: var(--silver);
}

.page-disclaimer .pd-hero__figure {
  margin: 44px 0 0;
}

/* ---------- 条目索引 ---------- */

.page-disclaimer .pd-index {
  margin-top: 56px;
  border-top: 1px solid var(--pd-rule);
  border-bottom: 1px solid var(--pd-rule);
}

.page-disclaimer .pd-index__list {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 28px;
  margin: 0;
  padding: 18px 0;
  list-style: none;
}

.page-disclaimer .pd-index__link {
  display: inline-flex;
  align-items: baseline;
  gap: 9px;
  padding-bottom: 3px;
  font-family: var(--mono);
  font-size: 12.5px;
  letter-spacing: 0.06em;
  color: var(--silver);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color 0.25s ease, border-color 0.25s ease;
}

.page-disclaimer .pd-index__link:hover,
.page-disclaimer .pd-index__link:focus-visible {
  color: var(--cyan);
  border-bottom-color: var(--cyan);
  outline: none;
}

.page-disclaimer .pd-index__num {
  color: var(--amber);
  font-variant-numeric: tabular-nums;
}

/* ---------- 章节 ---------- */

.page-disclaimer .pd-section {
  padding: 76px 0 0;
  scroll-margin-top: 96px;
}

.page-disclaimer .pd-section .section__head {
  margin-bottom: 34px;
}

/* ---------- 说明牌式条目清单 ---------- */

.page-disclaimer .pd-board {
  border-top: 1px solid var(--pd-rule);
}

.page-disclaimer .pd-item {
  display: grid;
  grid-template-columns: 1fr;
  gap: 10px;
  padding: 22px 0;
  border-bottom: 1px solid var(--pd-rule);
  scroll-margin-top: 96px;
  transition: background-color 0.3s ease;
}

.page-disclaimer .pd-item:target {
  background-color: var(--pd-board-plate);
}

.page-disclaimer .pd-item__mark {
  display: flex;
  align-items: baseline;
  gap: 12px;
}

.page-disclaimer .pd-item__num {
  flex: none;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--nebula);
  font-variant-numeric: tabular-nums;
}

.page-disclaimer .pd-item__key {
  margin: 0;
  font-family: var(--mono);
  font-size: 13.5px;
  font-weight: 600;
  line-height: 1.5;
  letter-spacing: 0.04em;
  color: var(--cream);
}

.page-disclaimer .pd-item__body {
  min-width: 0;
}

.page-disclaimer .pd-item__text {
  margin: 0;
  max-width: 68ch;
  font-size: 15.5px;
  line-height: 1.85;
  color: var(--silver);
}

.page-disclaimer .pd-item__text + .pd-item__text {
  margin-top: 10px;
}

.page-disclaimer .pd-link {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(63, 224, 208, 0.45);
}

.page-disclaimer .pd-link:hover,
.page-disclaimer .pd-link:focus-visible {
  border-bottom-color: var(--cyan);
  outline: none;
}

.page-disclaimer .pd-mail {
  font-family: var(--mono);
  font-size: 14px;
  color: var(--cyan);
  word-break: break-all;
}

/* ---------- 引用格式示例 ---------- */

.page-disclaimer .pd-sample {
  margin: 14px 0 0;
  padding: 18px 20px;
  background: var(--pd-sample-bg);
  border-left: 2px solid var(--nebula);
  font-family: var(--mono);
  font-size: 13px;
  line-height: 1.95;
  color: var(--cream);
  overflow-x: auto;
  white-space: pre-wrap;
  word-break: break-word;
}

/* ---------- 刻度分隔 ---------- */

.page-disclaimer .pd-rule {
  height: 44px;
  margin: 0;
  background-image: repeating-linear-gradient(
    90deg,
    var(--pd-rule) 0,
    var(--pd-rule) 1px,
    transparent 1px,
    transparent 58px
  );
  -webkit-mask-image: linear-gradient(to bottom, transparent, #000 72%, #000);
  mask-image: linear-gradient(to bottom, transparent, #000 72%, #000);
  pointer-events: none;
}

/* ---------- 平板与桌面 ---------- */

@media (min-width: 760px) {
  .page-disclaimer .pd-hero {
    padding-top: 56px;
  }

  .page-disclaimer .pd-hero__figure {
    margin-top: 56px;
  }

  .page-disclaimer .pd-item {
    grid-template-columns: 210px minmax(0, 1fr);
    gap: 36px;
    padding: 28px 0;
  }

  .page-disclaimer .pd-item__mark {
    flex-direction: column;
    align-items: flex-start;
    gap: 8px;
  }

  .page-disclaimer .pd-item__body {
    padding-left: 28px;
    border-left: 1px solid var(--pd-rule);
  }

  .page-disclaimer .pd-index {
    margin-top: 72px;
  }
}

@media (min-width: 1080px) {
  .page-disclaimer .pd-item {
    grid-template-columns: 240px minmax(0, 1fr);
    gap: 48px;
  }

  .page-disclaimer .pd-item__text {
    font-size: 16px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-disclaimer .pd-index__link,
  .page-disclaimer .pd-item {
    transition: none;
  }
}
<<<END>>>