.page-disclaimer {
  --sign-gap: clamp(56px, 8vw, 108px);
  --sign-card-w: 780px;
  --sign-offset: clamp(40px, 7vw, 120px);
  position: relative;
  background-color: var(--paper);
  background-image:
    repeating-linear-gradient(0deg, rgba(16, 28, 48, 0.035) 0 1px, transparent 1px 4px),
    repeating-linear-gradient(90deg, rgba(16, 28, 48, 0.018) 0 1px, transparent 1px 5px);
}

.page-disclaimer .instructions-hero {
  padding-top: clamp(24px, 3.4vw, 44px);
  padding-bottom: clamp(26px, 3.6vw, 46px);
}

.page-disclaimer .instructions-hero .eyebrow {
  margin: clamp(20px, 3vw, 34px) 0 14px;
  color: var(--gold);
}

.page-disclaimer .instructions-hero h1 {
  margin: 0 0 18px;
  max-width: 20ch;
  color: var(--ink-soft);
}

.page-disclaimer .instructions-hero .lede {
  max-width: 62ch;
  color: var(--slate);
}

.page-disclaimer .sign-photo {
  margin: clamp(26px, 4vw, 46px) 0 0;
  position: relative;
}

.page-disclaimer .sign-photo img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  border-radius: var(--radius);
  filter: saturate(0.72) contrast(0.96);
}

.page-disclaimer .sign-photo .media__cap {
  display: block;
  margin-top: 10px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--slate);
}

/* 吸顶路牌索引条 */
.page-disclaimer .sign-rail {
  position: sticky;
  top: var(--header-h);
  z-index: 20;
  margin-top: clamp(28px, 4vw, 48px);
  background: rgba(247, 242, 232, 0.94);
  border-top: 1px solid var(--gold);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(8px);
}

.page-disclaimer .sign-rail__inner {
  overflow-x: auto;
  scrollbar-width: thin;
}

.page-disclaimer .sign-rail ol {
  display: flex;
  gap: clamp(16px, 2.4vw, 34px);
  margin: 0;
  padding: 12px 0;
  list-style: none;
  min-width: max-content;
}

.page-disclaimer .sign-rail a {
  display: inline-block;
  padding-bottom: 4px;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.06em;
  color: var(--slate);
  text-decoration: none;
  white-space: nowrap;
  border-bottom: 2px solid transparent;
  transition: color 0.2s ease, border-color 0.2s ease;
}

.page-disclaimer .sign-rail a:hover {
  color: var(--ink-soft);
}

.page-disclaimer .sign-rail a[aria-current="true"] {
  color: var(--crimson);
  border-bottom-color: var(--crimson);
}

/* 路牌卡片序列 */
.page-disclaimer .sign-list {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: var(--sign-gap);
  margin: 0;
  padding: clamp(48px, 7vw, 88px) 0 clamp(64px, 9vw, 124px);
  list-style: none;
}

.page-disclaimer .sign-card {
  position: relative;
  width: 100%;
  max-width: var(--sign-card-w);
  padding: clamp(24px, 3.4vw, 40px) clamp(22px, 3.2vw, 46px) clamp(26px, 3.6vw, 42px);
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: 8px 8px 0 0 var(--sand);
  scroll-margin-top: calc(var(--header-h) + 72px);
  transition: transform 0.18s ease, border-color 0.18s ease, box-shadow 0.18s ease;
}

.page-disclaimer .sign-card::before,
.page-disclaimer .sign-card::after {
  content: "";
  position: absolute;
  width: 22px;
  height: 22px;
  border: 2px solid var(--gold);
  pointer-events: none;
}

.page-disclaimer .sign-card::before {
  top: -1px;
  left: -1px;
  border-right: none;
  border-bottom: none;
  border-top-left-radius: var(--radius);
}

.page-disclaimer .sign-card::after {
  right: -1px;
  bottom: -1px;
  border-left: none;
  border-top: none;
  border-bottom-right-radius: var(--radius);
}

.page-disclaimer .sign-card:hover {
  transform: translateY(-2px);
  border-color: var(--gold);
  box-shadow: 9px 10px 0 0 var(--sand);
}

.page-disclaimer .sign-card__num {
  display: block;
  font-family: var(--font-mono);
  font-size: 20px;
  line-height: 1;
  letter-spacing: 0.08em;
  color: var(--gold);
  font-variant-numeric: tabular-nums;
}

.page-disclaimer .sign-card__title {
  margin: 12px 0 14px;
  font-family: var(--font-display);
  font-weight: 400;
  font-size: clamp(22px, 2.6vw, 30px);
  line-height: 1.3;
  letter-spacing: -0.01em;
  color: var(--ink-soft);
}

.page-disclaimer .sign-card p {
  margin: 0 0 1.2em;
  max-width: 60ch;
  font-size: 17px;
  line-height: 1.9;
  color: var(--ink-soft);
}

.page-disclaimer .sign-card p:last-child {
  margin-bottom: 0;
}

.page-disclaimer .sign-card a {
  color: var(--crimson);
  text-decoration: none;
  border-bottom: 1px solid rgba(200, 52, 43, 0.4);
}

.page-disclaimer .sign-card a:hover {
  border-bottom-color: var(--crimson);
}

.page-disclaimer .sign-card__list {
  display: grid;
  gap: 14px;
  margin: 4px 0 20px;
  padding: 0;
  list-style: none;
}

.page-disclaimer .sign-card__list li {
  display: grid;
  gap: 4px;
  padding-bottom: 14px;
  border-bottom: 1px dashed var(--line);
}

.page-disclaimer .sign-card__list li:last-child {
  padding-bottom: 0;
  border-bottom: none;
}

.page-disclaimer .sign-card__list li span:last-child {
  font-size: 16px;
  line-height: 1.8;
  color: var(--slate);
}

.page-disclaimer .sign-card__k {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.14em;
  color: var(--crimson);
}

@media (min-width: 720px) {
  .page-disclaimer .sign-card__list li {
    grid-template-columns: 7em 1fr;
    align-items: baseline;
    gap: 18px;
  }
}

@media (min-width: 1000px) {
  .page-disclaimer .sign-card:nth-child(even) {
    margin-left: var(--sign-offset);
  }

  .page-disclaimer .sign-rail__inner {
    overflow-x: visible;
  }

  .page-disclaimer .sign-rail ol {
    min-width: 0;
    flex-wrap: wrap;
  }
}

@media (min-width: 1360px) {
  .page-disclaimer .sign-card {
    max-width: calc(var(--sign-card-w) + 60px);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-disclaimer .sign-card,
  .page-disclaimer .sign-rail a {
    transition: none;
  }

  .page-disclaimer .sign-card:hover {
    transform: none;
  }
}