.page-disclaimer {
  --doc-rule: rgba(244, 246, 248, 0.14);
  --doc-tint: rgba(56, 224, 123, 0.05);
}

.page-disclaimer .doc-breadcrumbs {
  padding-top: 22px;
  font-family: var(--font-mono);
  font-size: var(--fs-12);
}

.page-disclaimer .doc-breadcrumbs a {
  color: var(--c-steel);
  text-decoration: none;
}

.page-disclaimer .doc-breadcrumbs a:hover {
  color: var(--c-green);
}

/* ---------- 首屏 ---------- */
.page-disclaimer .doc-hero {
  padding: clamp(26px, 5vw, 54px) 0 clamp(26px, 4vw, 46px);
  border-bottom: 1px solid var(--doc-rule);
}

.page-disclaimer .doc-hero-inner {
  display: grid;
  gap: clamp(22px, 4vw, 38px);
}

.page-disclaimer h1 {
  margin: 14px 0 0;
  font-family: var(--font-display);
  font-size: clamp(2.5rem, 10vw, 5.5rem);
  line-height: 1.02;
  letter-spacing: 0.01em;
  color: var(--c-white);
}

.page-disclaimer .doc-lead {
  margin: 18px 0 0;
  max-width: 48ch;
  font-size: var(--fs-16);
  line-height: 1.85;
  color: var(--body-text);
}

.page-disclaimer .doc-meta {
  margin: 16px 0 0;
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  letter-spacing: 0.04em;
  color: var(--c-steel);
}

.page-disclaimer .doc-hero-frame {
  border: 1px solid var(--rule-strong);
  background: var(--c-night);
}

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

/* ---------- 条款目录 ---------- */
.page-disclaimer .doc-toc {
  padding: clamp(26px, 4vw, 42px) 0;
  border-bottom: 1px solid var(--doc-rule);
}

.page-disclaimer .toc-list {
  list-style: none;
  margin: 16px 0 0;
  padding: 0;
  display: grid;
  border-top: 1px solid var(--doc-rule);
}

.page-disclaimer .toc-list li {
  border-bottom: 1px solid var(--doc-rule);
}

.page-disclaimer .toc-link {
  display: flex;
  align-items: baseline;
  gap: 14px;
  padding: 14px 6px;
  font-size: var(--fs-16);
  line-height: 1.6;
  color: var(--body-text);
  text-decoration: none;
  transition: color var(--dur), background-color var(--dur), padding-left var(--dur);
}

.page-disclaimer .toc-link:hover,
.page-disclaimer .toc-link:focus-visible {
  color: var(--c-green);
  background: var(--doc-tint);
  padding-left: 14px;
}

.page-disclaimer .toc-num {
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  color: var(--c-green);
}

/* ---------- 条款正文 ---------- */
.page-disclaimer .doc-body {
  padding-top: clamp(8px, 2vw, 18px);
}

.page-disclaimer .clause {
  display: grid;
  gap: 14px;
  padding: clamp(28px, 4.5vw, 46px) 0;
  border-bottom: 1px solid var(--doc-rule);
  scroll-margin-top: 130px;
  transition: background-color var(--dur);
}

.page-disclaimer .clause:hover {
  background-color: var(--doc-tint);
}

.page-disclaimer .clause-index {
  line-height: 1;
}

.page-disclaimer .clause-num {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: var(--fs-28);
  line-height: 1;
  letter-spacing: 0.03em;
  color: var(--c-green);
}

.page-disclaimer .clause h2 {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 5vw, 2.125rem);
  line-height: 1.25;
  color: var(--c-white);
}

.page-disclaimer .clause p {
  margin: 14px 0 0;
  font-size: var(--fs-16);
  line-height: 1.85;
  color: var(--body-text);
}

.page-disclaimer .clause-list {
  list-style: none;
  margin: 18px 0 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-disclaimer .clause-list li {
  position: relative;
  padding-left: 26px;
  font-size: var(--fs-16);
  line-height: 1.8;
  color: var(--body-text);
}

.page-disclaimer .clause-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.78em;
  width: 14px;
  height: 1px;
  background: var(--c-green);
}

.page-disclaimer .link-inline {
  color: var(--c-green-soft);
  text-decoration: underline;
  text-underline-offset: 3px;
  text-decoration-thickness: 1px;
}

.page-disclaimer .link-inline:hover,
.page-disclaimer .link-inline:focus-visible {
  color: var(--c-green);
}

.page-disclaimer .quote-block {
  margin: 20px 0 0;
  padding: 16px 18px;
  border: 1px solid var(--rule-strong);
  background: var(--c-night);
  font-family: var(--font-mono);
  font-size: var(--fs-14);
  line-height: 1.7;
  color: var(--c-green-soft);
  white-space: pre-wrap;
  overflow-x: auto;
}

.page-disclaimer .quote-block code {
  font-family: inherit;
}

/* ---------- 可展开补充 ---------- */
.page-disclaimer .disclosure {
  margin-top: 22px;
  padding-top: 14px;
  border-top: 1px dashed var(--rule-strong);
}

.page-disclaimer .disclosure-trigger {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin: 0;
  padding: 6px 0;
  background: none;
  border: 0;
  font-family: var(--font-mono);
  font-size: var(--fs-14);
  color: var(--c-green-soft);
  cursor: pointer;
  text-align: left;
}

.page-disclaimer .disclosure-trigger::before {
  content: "+";
  font-size: var(--fs-16);
  line-height: 1;
  color: var(--c-green);
  transition: transform var(--dur);
}

.page-disclaimer .disclosure-trigger:hover,
.page-disclaimer .disclosure-trigger:focus-visible {
  color: var(--c-green);
}

.page-disclaimer .disclosure-trigger[aria-expanded="true"]::before {
  content: "−";
}

.page-disclaimer .disclosure-panel {
  margin-top: 12px;
  padding-left: 16px;
  border-left: 1px solid var(--c-green);
}

.page-disclaimer .disclosure-panel p {
  margin: 0;
  font-size: var(--fs-14);
  line-height: 1.85;
  color: var(--body-text);
}

/* ---------- 响应式 ---------- */
@media (min-width: 720px) {
  .page-disclaimer .toc-list {
    grid-template-columns: 1fr 1fr;
    column-gap: 32px;
  }

  .page-disclaimer .doc-lead {
    font-size: var(--fs-20);
  }
}

@media (min-width: 860px) {
  .page-disclaimer .clause {
    grid-template-columns: 96px minmax(0, 1fr);
    gap: 32px;
  }

  .page-disclaimer .clause-num {
    position: sticky;
    top: 130px;
    font-size: var(--fs-40);
  }
}

@media (min-width: 980px) {
  .page-disclaimer .doc-hero-inner {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    align-items: end;
  }

  .page-disclaimer .clause-main {
    max-width: 74ch;
  }

  .page-disclaimer .toc-list {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-disclaimer .toc-link,
  .page-disclaimer .clause,
  .page-disclaimer .disclosure-trigger::before {
    transition: none;
  }
}