.page-disclaimer {
  --disc-ink: var(--c-text);
  --disc-rail-w: 208px;
}

/* ---------- 面包屑与首屏 ---------- */
.page-disclaimer .breadcrumbs ol {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  list-style: none;
  margin: 0 0 28px;
  padding: 0;
  font-size: 13px;
  color: var(--c-muted);
}

.page-disclaimer .breadcrumbs li {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.page-disclaimer .breadcrumbs li + li::before {
  content: "/";
  color: var(--c-line);
}

.page-disclaimer .breadcrumbs a {
  color: var(--c-muted);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color 160ms ease, border-color 160ms ease;
}

.page-disclaimer .breadcrumbs a:hover {
  color: var(--c-cyan);
  border-bottom-color: var(--c-cyan);
}

.page-disclaimer .breadcrumbs [aria-current="page"] {
  color: var(--c-text);
}

.page-disclaimer .doc-hero {
  padding: clamp(20px, 4vw, 44px) 0 0;
}

.page-disclaimer .doc-title {
  margin: 0 0 20px;
  font-size: clamp(32px, 7.4vw, 64px);
  line-height: 1.04;
}

.page-disclaimer .doc-lede {
  max-width: 620px;
  margin: 0;
  font-size: 16px;
  line-height: 1.85;
}

.page-disclaimer .doc-hero-media {
  margin-top: clamp(28px, 5vw, 52px);
}

.page-disclaimer .doc-hero-media .media-frame {
  aspect-ratio: 8 / 3;
  border-radius: var(--r-card);
  overflow: hidden;
}

.page-disclaimer .doc-hero-media img {
  display: block;
  width: 100%;
  height: 100%;
  max-width: 100%;
  object-fit: cover;
}

/* ---------- 正文骨架：索引 + 条款栈 ---------- */
.page-disclaimer .doc-body {
  display: grid;
  gap: 36px;
  padding-top: clamp(40px, 6vw, 76px);
  padding-bottom: clamp(40px, 6vw, 72px);
}

.page-disclaimer .clause-index {
  border-top: 1px solid var(--c-line);
  padding-top: 18px;
}

.page-disclaimer .clause-index__title {
  margin: 0 0 12px;
  font-family: var(--f-head);
  font-size: 12px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--c-muted);
}

.page-disclaimer .clause-index__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 2px;
}

.page-disclaimer .clause-index__list a {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 7px 9px;
  border-radius: var(--r-row);
  color: var(--c-muted);
  font-size: 14px;
  line-height: 1.45;
  text-decoration: none;
  transition: background-color 200ms ease, color 200ms ease;
}

.page-disclaimer .clause-index__list a:hover {
  background-color: var(--c-panel);
  color: var(--c-text);
}

.page-disclaimer .clause-index__list .num {
  font-size: 13px;
  color: var(--c-violet);
}

.page-disclaimer .clause-stack {
  display: grid;
  gap: 0;
  min-width: 0;
}

.page-disclaimer .clause {
  padding: clamp(30px, 5vw, 48px) 0;
  border-top: 1px solid var(--c-line);
}

.page-disclaimer .clause:first-child {
  border-top: 0;
  padding-top: 0;
}

.page-disclaimer .clause-title {
  display: flex;
  align-items: flex-end;
  gap: 18px;
  margin: 0 0 20px;
  font-family: var(--f-head);
  font-size: clamp(20px, 3.2vw, 28px);
  line-height: 1.2;
  letter-spacing: 0.01em;
  color: var(--c-text);
}

.page-disclaimer .clause-no {
  flex: none;
  font-family: var(--f-num);
  font-variant-numeric: tabular-nums;
  font-size: clamp(40px, 9vw, 64px);
  font-weight: 500;
  line-height: 0.8;
  letter-spacing: -0.04em;
  color: var(--c-violet);
}

.page-disclaimer .clause:nth-child(even) .clause-no {
  margin-left: 14px;
}

.page-disclaimer .clause:nth-child(3n) .clause-no {
  margin-left: 6px;
}

.page-disclaimer .clause p {
  max-width: 640px;
  margin: 0 0 14px;
  font-size: 16px;
  line-height: 1.8;
  color: var(--disc-ink);
}

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

.page-disclaimer .clause p a {
  color: var(--c-cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(55, 230, 208, 0.35);
  transition: border-color 160ms ease;
}

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

/* ---------- 禁止用途：暗红描边强调块 ---------- */
.page-disclaimer .clause--ban .clause-no {
  color: var(--c-red-soft);
}

.page-disclaimer .ban-block {
  max-width: 640px;
  margin: 22px 0 0;
  padding: 22px 24px 18px;
  border: 1px solid rgba(179, 50, 63, 0.45);
  border-left: 4px solid var(--c-red);
  border-radius: var(--r-card);
  background-image: linear-gradient(180deg, rgba(179, 50, 63, 0.12), rgba(179, 50, 63, 0) 80%);
}

.page-disclaimer .ban-block ul {
  margin: 0;
  padding-left: 18px;
  display: grid;
  gap: 10px;
}

.page-disclaimer .ban-block li {
  font-size: 15px;
  line-height: 1.72;
  color: var(--disc-ink);
}

.page-disclaimer .ban-block li::marker {
  color: var(--c-red-soft);
}

.page-disclaimer .ban-note {
  margin: 16px 0 0;
  font-family: var(--f-head);
  font-size: 14px;
  letter-spacing: 0.05em;
  color: var(--c-red-soft);
}

/* ---------- 引用格式示例 ---------- */
.page-disclaimer .cite-sample {
  max-width: 640px;
  margin: 22px 0 0;
  padding: 18px 20px;
  border: 1px dashed var(--c-line);
  border-radius: var(--r-card);
  background-color: var(--c-panel);
}

.page-disclaimer .cite-sample__label {
  margin: 0 0 10px;
  font-family: var(--f-head);
  font-size: 12px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--c-muted);
}

.page-disclaimer .cite-sample__code {
  margin: 0;
  font-family: var(--f-num);
  font-size: 13px;
  line-height: 1.75;
  color: var(--c-cyan);
  overflow-wrap: anywhere;
}

/* ---------- 中段刻度分隔线 ---------- */
.page-disclaimer .scale-rule {
  height: 34px;
  margin: clamp(36px, 6vw, 68px) 0;
  border-bottom: 1px solid var(--c-line);
  background-image:
    repeating-linear-gradient(90deg, rgba(55, 230, 208, 0.5) 0 1px, transparent 1px 96px),
    repeating-linear-gradient(90deg, var(--c-line) 0 1px, transparent 1px 16px);
  background-size: 100% 26px, 100% 10px;
  background-position: left bottom, left bottom;
  background-repeat: no-repeat, no-repeat;
}

/* ---------- 返回顶部 ---------- */
.page-disclaimer .to-top-wrap {
  display: flex;
  justify-content: center;
  padding: 8px 0 clamp(40px, 6vw, 76px);
}

.page-disclaimer .to-top {
  width: 56px;
  height: 56px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--c-line);
  border-radius: var(--r-pill);
  color: var(--c-muted);
  font-family: var(--f-num);
  font-size: 18px;
  line-height: 1;
  text-decoration: none;
  transition: border-color 220ms ease-out, color 220ms ease-out, background-color 220ms ease-out;
}

.page-disclaimer .to-top:hover {
  border-color: var(--c-gold);
  color: var(--c-gold);
  background-color: rgba(240, 178, 60, 0.08);
}

/* ---------- 响应式 ---------- */
@media (min-width: 720px) {
  .page-disclaimer .clause-index__list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 2px 12px;
  }
}

@media (min-width: 1024px) {
  .page-disclaimer .doc-body {
    grid-template-columns: var(--disc-rail-w) minmax(0, 1fr);
    gap: 64px;
    align-items: start;
  }

  .page-disclaimer .clause-index {
    position: sticky;
    top: calc(var(--header-h) + 28px);
    border-top: 0;
    padding-top: 4px;
    border-left: 1px solid var(--c-line);
    padding-left: 22px;
  }

  .page-disclaimer .clause-index__list {
    grid-template-columns: minmax(0, 1fr);
    gap: 2px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-disclaimer .breadcrumbs a,
  .page-disclaimer .clause-index__list a,
  .page-disclaimer .clause p a,
  .page-disclaimer .to-top {
    transition: none;
  }
}