.page-disclaimer {
  --rule-gutter: 168px;
  --rule-sticky: 108px;
  background: var(--paper);
  color: var(--ink);
}

/* ---------- 首屏 ---------- */
.page-disclaimer .usage-hero {
  padding: clamp(26px, 5vw, 50px) 0 clamp(14px, 2.5vw, 26px);
}

.page-disclaimer .usage-hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 18px;
  margin-top: 20px;
}

.page-disclaimer .usage-hero-copy .eyebrow {
  margin: 0 0 8px;
}

.page-disclaimer .usage-hero h1 {
  margin: 0 0 18px;
  font-family: var(--font-head);
  font-size: clamp(2.4rem, 7vw, 4.6rem);
  font-weight: 900;
  letter-spacing: -0.02em;
  line-height: 1.04;
  color: var(--indigo);
}

.page-disclaimer .usage-hero .lede {
  max-width: 62ch;
  margin: 0;
  color: var(--ink);
  font-size: 1.02rem;
  line-height: 1.9;
}

.page-disclaimer .hero-annot {
  display: none;
}

/* ---------- 首图 ---------- */
.page-disclaimer .usage-figure {
  margin: clamp(22px, 3.5vw, 40px) 0 0;
}

.page-disclaimer .usage-figure img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

.page-disclaimer .usage-figure .figure-caption {
  margin-top: 10px;
  color: var(--muted);
  font-size: 0.86rem;
  line-height: 1.7;
}

/* ---------- 条款索引 ---------- */
.page-disclaimer .rule-index {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: clamp(30px, 5vw, 54px);
  padding-top: 20px;
  border-top: 1px solid var(--paper-line);
}

.page-disclaimer .rule-index-link {
  display: inline-flex;
  align-items: baseline;
  gap: 8px;
  padding: 7px 13px;
  border: 1px solid var(--paper-line);
  border-radius: 2px;
  background: var(--white);
  color: var(--ink);
  font-size: 0.86rem;
  line-height: 1.4;
  text-decoration: none;
  transition: border-color .2s var(--ease), color .2s var(--ease), transform .2s var(--ease);
}

.page-disclaimer .rule-index-link:hover,
.page-disclaimer .rule-index-link:focus-visible {
  border-color: var(--celadon);
  color: var(--celadon);
  transform: translateX(2px);
}

.page-disclaimer .ri-num {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.06em;
  color: var(--orange-deep);
}

/* ---------- 条款主体：左编号右正文 ---------- */
.page-disclaimer .rule {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 16px;
  padding: clamp(34px, 5vw, 56px) 0;
  border-top: 1px solid var(--paper-line);
  scroll-margin-top: 120px;
}

.page-disclaimer .rule-aside {
  display: flex;
  align-items: baseline;
  gap: 14px;
}

.page-disclaimer .rule-num {
  font-family: var(--font-mono);
  font-size: clamp(2.2rem, 9vw, 3.2rem);
  font-weight: 800;
  line-height: 1;
  letter-spacing: -0.04em;
  color: var(--indigo);
  transition: color .25s var(--ease);
}

.page-disclaimer .rule-name {
  margin: 0;
  font-family: var(--font-head);
  font-size: clamp(1.16rem, 4.6vw, 1.4rem);
  font-weight: 700;
  line-height: 1.35;
  color: var(--ink);
}

.page-disclaimer .rule:hover .rule-num {
  color: var(--celadon);
}

.page-disclaimer .rule-lead {
  margin: 0 0 18px;
  color: var(--muted);
  font-size: 1rem;
  line-height: 1.85;
}

/* ---------- 四类场景清单 ---------- */
.page-disclaimer .scope-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 10px;
}

.page-disclaimer .scope-list li {
  padding: 15px 17px;
  border: 1px solid var(--paper-line);
  border-radius: 2px;
  background: var(--white);
  transition: border-color .2s var(--ease);
}

.page-disclaimer .scope-list li:hover {
  border-color: var(--celadon);
}

.page-disclaimer .scope-list .tag {
  display: inline-block;
  margin-bottom: 8px;
  font-size: 0.78rem;
  letter-spacing: 0.06em;
}

.page-disclaimer .scope-list p {
  margin: 0;
  font-size: 0.95rem;
  line-height: 1.8;
  color: var(--ink);
}

/* ---------- 条目 ---------- */
.page-disclaimer .rule-item {
  padding: 16px 18px;
  border: 1px solid var(--paper-line);
  border-radius: 2px;
  background: var(--white);
  transition: border-color .2s var(--ease), transform .2s var(--ease);
}

.page-disclaimer .rule-item + .rule-item {
  margin-top: 12px;
}

.page-disclaimer .rule-item:hover {
  border-color: var(--celadon);
  transform: translateX(2px);
}

.page-disclaimer .item-title {
  display: flex;
  align-items: baseline;
  gap: 10px;
  margin: 0 0 7px;
  font-family: var(--font-head);
  font-size: 1.02rem;
  font-weight: 700;
  line-height: 1.5;
  color: var(--ink);
}

.page-disclaimer .item-num {
  flex: none;
  font-family: var(--font-mono);
  font-size: 0.76rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  color: var(--celadon);
}

.page-disclaimer .rule-item > p {
  margin: 0;
  font-size: 0.96rem;
  line-height: 1.85;
  color: var(--ink);
}

.page-disclaimer .rule-item a {
  color: var(--orange-deep);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-disclaimer .rule-item a:hover {
  color: var(--orange);
}

/* ---------- 示例折叠 ---------- */
.page-disclaimer .rule-item .disclosure {
  margin-top: 10px;
  padding-top: 9px;
  border-top: 1px dashed var(--paper-line);
}

.page-disclaimer .rule-item .disclosure summary {
  cursor: pointer;
  list-style: none;
  font-size: 0.83rem;
  font-weight: 600;
  color: var(--violet);
}

.page-disclaimer .rule-item .disclosure summary::-webkit-details-marker {
  display: none;
}

.page-disclaimer .rule-item .disclosure summary::before {
  content: "▸ ";
  font-family: var(--font-mono);
  color: var(--orange-deep);
}

.page-disclaimer .rule-item .disclosure[open] summary::before {
  content: "▾ ";
}

.page-disclaimer .rule-item .disclosure summary:focus-visible {
  outline: 2px solid var(--orange);
  outline-offset: 3px;
}

.page-disclaimer .rule-item .disclosure-body {
  margin-top: 9px;
  padding: 11px 13px;
  border-left: 3px solid var(--celadon-light);
  background: var(--paper);
  color: var(--muted);
  font-size: 0.91rem;
  font-style: italic;
  line-height: 1.8;
}

/* ---------- 违规条款：酒红强调 ---------- */
.page-disclaimer .rule--wine .rule-num {
  color: var(--wine);
}

.page-disclaimer .rule--wine .rule-content {
  border-left: 3px solid var(--wine);
  padding-left: clamp(14px, 2.2vw, 24px);
}

.page-disclaimer .rule--wine .item-num {
  color: var(--wine);
}

/* ---------- 收尾条款：深色块 ---------- */
.page-disclaimer .rule--notice {
  border-top-color: var(--indigo);
  background: var(--indigo);
  box-shadow: 0 0 0 100vmax var(--indigo);
  clip-path: inset(0 -100vmax);
  padding-left: clamp(20px, 3.4vw, 40px);
  padding-right: clamp(20px, 3.4vw, 40px);
  margin-bottom: clamp(48px, 7vw, 88px);
}

.page-disclaimer .rule--notice .rule-num {
  color: var(--apricot);
}

.page-disclaimer .rule--notice .rule-name {
  color: var(--white);
}

.page-disclaimer .rule--notice .rule-lead {
  color: var(--celadon-light);
}

.page-disclaimer .rule--notice .rule-item {
  background: transparent;
  border-color: rgba(248, 246, 241, 0.28);
}

.page-disclaimer .rule--notice .rule-item:hover {
  border-color: var(--celadon);
}

.page-disclaimer .rule--notice .item-title {
  color: var(--white);
}

.page-disclaimer .rule--notice .item-num {
  color: var(--apricot);
}

.page-disclaimer .rule--notice .rule-item > p {
  color: var(--paper);
}

.page-disclaimer .related-links {
  margin-top: 22px;
  padding-top: 18px;
  border-top: 1px solid rgba(248, 246, 241, 0.22);
}

.page-disclaimer .related-title {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 0.76rem;
  letter-spacing: 0.16em;
  color: var(--celadon-light);
  text-transform: uppercase;
}

.page-disclaimer .related-links ul {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 22px;
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-disclaimer .related-links a {
  color: var(--apricot);
  font-size: 0.94rem;
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color .2s var(--ease), border-color .2s var(--ease);
}

.page-disclaimer .related-links a:hover {
  color: var(--orange);
  border-bottom-color: var(--orange);
}

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .page-disclaimer .scope-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 900px) {
  .page-disclaimer .usage-hero-grid {
    grid-template-columns: minmax(0, 1fr) 130px;
    align-items: end;
    gap: 40px;
  }

  .page-disclaimer .hero-annot {
    display: block;
    justify-self: end;
    color: var(--muted);
  }

  .page-disclaimer .rule {
    grid-template-columns: var(--rule-gutter) minmax(0, 1fr);
    gap: clamp(28px, 4vw, 56px);
  }

  .page-disclaimer .rule-aside {
    display: block;
    align-self: start;
    position: sticky;
    top: var(--rule-sticky);
  }

  .page-disclaimer .rule-num {
    display: block;
    margin-bottom: 10px;
  }

  .page-disclaimer .rule-name {
    font-size: 1.28rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-disclaimer .rule-item,
  .page-disclaimer .rule-num,
  .page-disclaimer .rule-index-link,
  .page-disclaimer .related-links a {
    transition: none;
  }

  .page-disclaimer .rule-item:hover,
  .page-disclaimer .rule-index-link:hover {
    transform: none;
  }

  .page-disclaimer .rule-aside {
    position: static;
  }
}