.page-disclaimer {
  --dc-col: 66ch;
  --dc-num-col: 64px;
  --dc-rail-w: 176px;
  padding-block: 8px 96px;
  background: var(--paper);
}

/* ---------- 首屏 ---------- */

.page-disclaimer .disclaimer-head {
  padding-block: 36px 8px;
  border-bottom: 1px solid var(--line);
}

.page-disclaimer .disclaimer-head__kicker {
  margin: 0 0 18px;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--brick);
  text-transform: uppercase;
}

.page-disclaimer .disclaimer-head__title {
  margin: 0;
  font-family: var(--serif);
  font-weight: 700;
  font-size: clamp(30px, 6.2vw, 52px);
  line-height: 1.16;
  letter-spacing: 0.02em;
  color: var(--ink);
  max-width: 20ch;
}

.page-disclaimer .disclaimer-head__lede {
  margin: 24px 0 0;
  max-width: var(--dc-col);
  font-size: 16px;
  line-height: 1.95;
  color: var(--graphite);
}

.page-disclaimer .disclaimer-head__meta {
  margin: 22px 0 0;
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--note);
}

/* ---------- 图片 ---------- */

.page-disclaimer .disclaimer-figure {
  margin: 40px 0 0;
}

.page-disclaimer .disclaimer-figure .figure__media {
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 3px;
  background: var(--gold-soft);
}

.page-disclaimer .disclaimer-figure img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  aspect-ratio: 3 / 2;
  filter: saturate(0.82);
}

.page-disclaimer .disclaimer-figure .figure__caption {
  margin: 10px 0 0;
  font-size: 13px;
  color: var(--note);
  letter-spacing: 0.02em;
}

/* ---------- 目录 ---------- */

.page-disclaimer .disclaimer-toc {
  margin-block: 44px 8px;
  padding: 22px 22px 20px;
  background: var(--gold-soft);
  border: 1px solid var(--line-gold);
  border-radius: 3px;
}

.page-disclaimer .disclaimer-toc__kicker {
  margin: 0 0 14px;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--brick);
}

.page-disclaimer .disclaimer-toc ol {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-disclaimer .disclaimer-toc li {
  display: flex;
  align-items: baseline;
  gap: 12px;
  min-width: 0;
}

.page-disclaimer .disclaimer-toc .mono {
  flex: none;
  font-size: 12px;
  color: var(--brick-deep);
}

.page-disclaimer .disclaimer-toc a {
  color: var(--graphite);
  font-size: 15px;
  line-height: 1.7;
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-disclaimer .disclaimer-toc a:hover,
.page-disclaimer .disclaimer-toc a:focus-visible {
  color: var(--brick);
  border-bottom-color: var(--brick);
}

/* ---------- 条款章节 ---------- */

.page-disclaimer .disclaimer-section {
  padding-block: 40px;
  border-bottom: 1px solid var(--line);
}

.page-disclaimer .disclaimer-section__num {
  margin: 0 0 8px;
  font-size: 13px;
  letter-spacing: 0.1em;
  color: var(--gold);
}

.page-disclaimer .disclaimer-section__main {
  min-width: 0;
}

.page-disclaimer .disclaimer-section__title {
  display: flex;
  align-items: baseline;
  flex-wrap: wrap;
  gap: 12px;
  margin: 0 0 16px;
  font-family: var(--serif);
  font-weight: 600;
  font-size: clamp(20px, 3.4vw, 27px);
  line-height: 1.4;
  letter-spacing: 0.02em;
  color: var(--ink);
}

.page-disclaimer .disclaimer-copy {
  flex: none;
  padding: 2px 8px;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--note);
  background: transparent;
  border: 1px solid var(--line);
  border-radius: 2px;
  cursor: pointer;
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease), background-color var(--dur) var(--ease);
}

.page-disclaimer .disclaimer-copy:hover,
.page-disclaimer .disclaimer-copy:focus-visible {
  color: var(--brick);
  border-color: var(--brick);
  background: var(--card);
}

.page-disclaimer .disclaimer-copy[data-copied] {
  color: var(--ok);
  border-color: var(--ok);
}

.page-disclaimer .disclaimer-section__body p {
  margin: 0 0 16px;
  max-width: var(--dc-col);
  font-size: 16px;
  line-height: 1.95;
  color: var(--graphite);
}

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

.page-disclaimer .disclaimer-section__cta {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 26px;
}

/* ---------- 联系条目 ---------- */

.page-disclaimer .disclaimer-contact {
  margin: 26px 0 0;
  padding: 0;
  max-width: var(--dc-col);
  border-top: 1px solid var(--line);
}

.page-disclaimer .disclaimer-contact .contact-row {
  display: grid;
  gap: 4px;
  padding: 14px 2px;
  border-bottom: 1px solid var(--line);
}

.page-disclaimer .disclaimer-contact .contact-row__k {
  margin: 0;
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--note);
}

.page-disclaimer .disclaimer-contact .contact-row__v {
  margin: 0;
  font-size: 15px;
  line-height: 1.7;
  color: var(--ink);
  word-break: break-word;
}

.page-disclaimer .disclaimer-contact a {
  color: var(--ink-2);
  text-decoration: none;
  border-bottom: 1px solid var(--line-gold);
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-disclaimer .disclaimer-contact a:hover,
.page-disclaimer .disclaimer-contact a:focus-visible {
  color: var(--brick);
  border-bottom-color: var(--brick);
}

/* ---------- 右侧章节索引（移动端收起） ---------- */

.page-disclaimer .disclaimer-rail {
  display: none;
}

/* ---------- 平板及以上 ---------- */

@media (min-width: 720px) {
  .page-disclaimer .disclaimer-section {
    display: grid;
    grid-template-columns: var(--dc-num-col) minmax(0, 1fr);
    column-gap: 16px;
  }

  .page-disclaimer .disclaimer-section__num {
    grid-column: 1;
    margin: 0;
    padding-top: 8px;
    text-align: right;
    border-right: 1px solid var(--line);
    padding-right: 16px;
  }

  .page-disclaimer .disclaimer-section__main {
    grid-column: 2;
  }

  .page-disclaimer .disclaimer-contact .contact-row {
    grid-template-columns: 140px minmax(0, 1fr);
    align-items: baseline;
    gap: 16px;
  }
}

/* ---------- 桌面：双栏 + 粘性索引 ---------- */

@media (min-width: 1024px) {
  .page-disclaimer .disclaimer-frame {
    display: grid;
    grid-template-columns: minmax(0, 1fr) var(--dc-rail-w);
    column-gap: 72px;
    align-items: start;
  }

  .page-disclaimer .disclaimer-doc {
    min-width: 0;
  }

  .page-disclaimer .disclaimer-rail {
    display: block;
    position: sticky;
    top: calc(var(--topbar) + 28px);
    padding-top: 40px;
  }

  .page-disclaimer .disclaimer-rail__label {
    margin: 0 0 14px;
    padding-left: 14px;
    font-family: var(--mono);
    font-size: 11px;
    letter-spacing: 0.16em;
    color: var(--note);
  }

  .page-disclaimer .disclaimer-rail__list {
    list-style: none;
    margin: 0;
    padding: 0;
    border-left: 1px solid var(--line);
  }

  .page-disclaimer .disclaimer-rail__list a {
    display: flex;
    align-items: baseline;
    gap: 10px;
    margin-left: -1px;
    padding: 9px 8px 9px 14px;
    border-left: 2px solid transparent;
    font-size: 14px;
    line-height: 1.5;
    color: var(--note);
    text-decoration: none;
    transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease);
  }

  .page-disclaimer .disclaimer-rail__list a:hover,
  .page-disclaimer .disclaimer-rail__list a:focus-visible {
    color: var(--ink);
    border-left-color: var(--gold);
  }

  .page-disclaimer .disclaimer-rail__num {
    flex: none;
    font-size: 11px;
    letter-spacing: 0.08em;
    color: var(--gold);
  }
}

/* ---------- 减少动效 ---------- */

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