.page-disclaimer {
  --dl-rail-w: 232px;
  display: block;
}

/* ---------- 首屏说明区 ---------- */
.page-disclaimer .dl-intro {
  padding: 22px 0 28px;
  border-bottom: 1px solid var(--line);
}

.page-disclaimer .dl-kicker {
  margin: 0 0 16px;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.18em;
  color: var(--cyan);
  text-transform: uppercase;
}

.page-disclaimer h1 {
  margin: 0 0 18px;
  max-width: 20ch;
  font-family: var(--sans);
  font-size: clamp(27px, 6.6vw, 52px);
  font-weight: 800;
  line-height: 1.18;
  letter-spacing: 0.04em;
  color: var(--white);
  overflow-wrap: break-word;
}

.page-disclaimer .dl-lead {
  margin: 0 0 24px;
  max-width: 42em;
  font-size: 15px;
  line-height: 1.78;
  color: var(--muted);
}

.page-disclaimer .dl-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 22px;
  margin: 0;
  padding: 16px 0 0;
  border-top: 1px solid var(--line);
  list-style: none;
}

.page-disclaimer .dl-meta li {
  display: flex;
  align-items: baseline;
  gap: 8px;
  font-size: 13px;
  line-height: 1.6;
}

.page-disclaimer .dl-meta__k {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--cyan-deep);
}

.page-disclaimer .dl-meta__v {
  color: var(--white);
}

/* ---------- 通栏底图 ---------- */
.page-disclaimer .dl-banner {
  position: relative;
  margin: 0 0 30px;
  background: var(--bg-deep);
  border-bottom: 1px solid var(--line);
}

.page-disclaimer .dl-banner img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  opacity: 0.55;
}

.page-disclaimer .dl-banner__caption {
  position: absolute;
  left: 50%;
  bottom: 0;
  width: 100%;
  max-width: var(--shell-max);
  transform: translateX(-50%);
  padding: 12px 18px;
  font-family: var(--mono);
  font-size: 11px;
  line-height: 1.6;
  letter-spacing: 0.06em;
  color: var(--muted);
  background: linear-gradient(180deg, rgba(6, 18, 14, 0), rgba(6, 18, 14, 0.92) 60%);
}

/* ---------- 版式骨架：正文 + 刻度旁注 ---------- */
.page-disclaimer .dl-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 30px;
  align-items: start;
  padding-bottom: 34px;
}

.page-disclaimer .dl-rail {
  order: -1;
  padding: 16px 16px 18px;
  border: 1px solid var(--line);
  background: var(--panel);
}

.page-disclaimer .dl-rail__title {
  margin: 0 0 14px;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.2em;
  color: var(--muted);
  text-transform: uppercase;
}

.page-disclaimer .dl-ticks {
  display: grid;
  gap: 12px;
  margin: 0;
  padding: 0 0 0 20px;
  border-left: 1px solid var(--line);
  list-style: none;
}

.page-disclaimer .dl-tick__link {
  position: relative;
  display: block;
  padding: 8px 10px;
  border: 1px solid transparent;
  text-decoration: none;
  transition: border-color var(--t-fast) ease, background-color var(--t-fast) ease;
}

.page-disclaimer .dl-tick__link::before {
  content: "";
  position: absolute;
  left: -21px;
  top: 17px;
  width: 9px;
  height: 1px;
  background: var(--line);
  transition: width var(--t-fast) ease, background-color var(--t-fast) ease;
}

.page-disclaimer .dl-tick__link:hover,
.page-disclaimer .dl-tick__link:focus-visible {
  border-color: var(--cyan);
  background: rgba(53, 242, 198, 0.06);
}

.page-disclaimer .dl-tick__link:hover::before,
.page-disclaimer .dl-tick__link:focus-visible::before {
  width: 15px;
  background: var(--cyan);
}

.page-disclaimer .dl-tick__val {
  display: block;
  font-family: var(--mono);
  font-size: 18px;
  font-weight: 700;
  letter-spacing: 0.02em;
  color: var(--white);
  font-variant-numeric: tabular-nums;
}

.page-disclaimer .dl-tick__label {
  display: block;
  margin-top: 3px;
  font-size: 12px;
  line-height: 1.6;
  color: var(--muted);
}

/* ---------- 条目 ---------- */
.page-disclaimer .dl-body {
  min-width: 0;
}

.page-disclaimer .dl-note {
  padding: 0 0 26px 14px;
  margin: 0 0 26px;
  border-left: 2px solid transparent;
  border-bottom: 1px solid var(--line);
  scroll-margin-top: 112px;
  transition: background-color var(--t-mid) ease, border-left-color var(--t-mid) ease;
}

.page-disclaimer .dl-note:last-child {
  margin-bottom: 0;
}

.page-disclaimer .dl-note:target {
  border-left-color: var(--cyan);
  background: linear-gradient(90deg, rgba(53, 242, 198, 0.08), rgba(53, 242, 198, 0) 62%);
}

.page-disclaimer .dl-note__head {
  display: flex;
  align-items: baseline;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 14px;
}

.page-disclaimer .dl-note__num {
  font-family: var(--mono);
  font-size: 21px;
  font-weight: 700;
  letter-spacing: 0.06em;
  color: var(--cyan-deep);
  text-decoration: none;
  border-bottom: 1px dashed transparent;
  transition: color var(--t-fast) ease, border-color var(--t-fast) ease;
}

.page-disclaimer .dl-note__num:hover,
.page-disclaimer .dl-note__num:focus-visible {
  color: var(--cyan);
  border-bottom-color: var(--cyan);
}

.page-disclaimer .dl-note__head h2 {
  flex: 1 1 auto;
  margin: 0;
  font-family: var(--sans);
  font-size: clamp(18px, 4.4vw, 25px);
  font-weight: 800;
  line-height: 1.35;
  letter-spacing: 0.04em;
  color: var(--white);
}

.page-disclaimer .dl-note p {
  margin: 0 0 12px;
  max-width: 42em;
  font-size: 15px;
  line-height: 1.78;
  color: var(--muted);
}

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

.page-disclaimer .dl-note p a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid var(--line);
  transition: border-color var(--t-fast) ease;
}

.page-disclaimer .dl-note p a:hover {
  border-bottom-color: var(--cyan);
}

/* 时点表 */
.page-disclaimer .dl-points {
  display: grid;
  gap: 1px;
  margin: 0 0 16px;
  padding: 0;
  background: var(--line);
  border: 1px solid var(--line);
  list-style: none;
}

.page-disclaimer .dl-points li {
  display: grid;
  gap: 4px;
  padding: 12px 14px;
  background: var(--panel);
}

.page-disclaimer .dl-points__k {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--cyan);
}

.page-disclaimer .dl-points__v {
  font-size: 14px;
  line-height: 1.72;
  color: var(--white);
}

/* 变更记录 */
.page-disclaimer .dl-log {
  margin: 0 0 16px;
  padding: 0;
  list-style: none;
}

.page-disclaimer .dl-log li {
  position: relative;
  padding: 10px 0 10px 26px;
  border-bottom: 1px dashed var(--line);
  font-size: 14px;
  line-height: 1.72;
  color: var(--muted);
}

.page-disclaimer .dl-log li::before {
  content: "";
  position: absolute;
  left: 4px;
  top: 19px;
  width: 9px;
  height: 1px;
  background: var(--cyan-deep);
}

.page-disclaimer .dl-log li:last-child {
  border-bottom: 0;
}

/* ---------- 页尾版本标识 ---------- */
.page-disclaimer .dl-version {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  margin-bottom: 10px;
  padding: 18px 0;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--muted);
}

.page-disclaimer .dl-version__mark {
  color: var(--cyan);
  border-bottom: 1px dashed var(--line);
}

.page-disclaimer .dl-version__tip {
  display: block;
  width: 100%;
  max-height: 0;
  overflow: hidden;
  opacity: 0;
  font-family: var(--sans);
  font-size: 13px;
  line-height: 1.7;
  letter-spacing: 0;
  color: var(--muted);
  transition: max-height var(--t-mid) ease, opacity var(--t-mid) ease;
}

.page-disclaimer .dl-version:hover .dl-version__tip,
.page-disclaimer .dl-version:focus-within .dl-version__tip {
  max-height: 140px;
  opacity: 1;
}

@media (hover: none) {
  .page-disclaimer .dl-version__tip {
    max-height: 200px;
    opacity: 1;
  }
}

/* ---------- 窄屏优先适配 ---------- */
@media (max-width: 520px) {
  .page-disclaimer .dl-intro {
    padding-top: 16px;
  }

  .page-disclaimer .dl-meta li {
    flex: 1 1 100%;
  }

  .page-disclaimer .dl-banner__caption {
    font-size: 10px;
    letter-spacing: 0.04em;
  }

  .page-disclaimer .dl-note {
    padding-left: 12px;
  }

  .page-disclaimer .dl-note__num {
    font-size: 18px;
  }
}

/* ---------- 桌面：右侧固定刻度旁注 ---------- */
@media (min-width: 960px) {
  .page-disclaimer .dl-intro {
    padding: 30px 0 34px;
  }

  .page-disclaimer .dl-banner {
    margin-bottom: 42px;
  }

  .page-disclaimer .dl-banner img {
    aspect-ratio: 16 / 5;
  }

  .page-disclaimer .dl-banner__caption {
    padding: 14px 48px;
  }

  .page-disclaimer .dl-layout {
    grid-template-columns: minmax(0, 1fr) var(--dl-rail-w);
    gap: 48px;
  }

  .page-disclaimer .dl-rail {
    order: 0;
    position: sticky;
    top: 104px;
    padding: 18px 18px 20px;
  }

  .page-disclaimer .dl-note {
    padding-left: 18px;
  }
}