.page-disclaimer {
  padding-bottom: 0;
}

/* ---------- 首屏标题带 ---------- */
.page-disclaimer .doc-head {
  position: relative;
  padding-top: var(--sp-5);
  padding-bottom: var(--sp-4);
}

.page-disclaimer .doc-head__rule {
  display: block;
  width: 200px;
  max-width: 60%;
  height: 2px;
  margin-bottom: var(--sp-3);
  background: linear-gradient(90deg, var(--c-cyan) 0%, rgba(53, 224, 214, 0) 100%);
}

.page-disclaimer .doc-head__title {
  margin: var(--sp-2) 0 0;
  max-width: 16ch;
  font-family: var(--f-head);
  font-size: clamp(32px, 8vw, 68px);
  font-weight: 800;
  line-height: 1.04;
  letter-spacing: -0.02em;
  color: var(--c-bone);
  word-break: break-word;
}

.page-disclaimer .doc-head__lead {
  margin: var(--sp-3) 0 0;
  max-width: 62ch;
  font-family: var(--f-body);
  font-size: 17px;
  line-height: 1.75;
  color: var(--c-bone);
  opacity: 0.84;
}

.page-disclaimer .doc-head__meta {
  display: flex;
  flex-wrap: wrap;
  gap: var(--sp-1) var(--sp-4);
  margin: var(--sp-4) 0 0;
  padding: 0;
  list-style: none;
  font-family: var(--f-body);
  font-size: 14px;
  line-height: 1.6;
  color: var(--c-gray);
}

.page-disclaimer .doc-head__meta .mono {
  margin-right: 8px;
  color: var(--c-cyan);
  letter-spacing: 0.04em;
}

/* ---------- 通栏抽象视觉 ---------- */
.page-disclaimer .doc-visual {
  margin: 0 auto var(--sp-5);
}

.page-disclaimer .doc-visual .media-frame {
  border: 1px solid var(--c-line);
}

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

/* ---------- 主体：条款目录 + 条款列表 ---------- */
.page-disclaimer .doc-body {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--sp-4);
  padding-bottom: var(--sp-5);
}

.page-disclaimer .doc-nav {
  border-left: 1px solid var(--c-line-soft);
  padding-left: var(--sp-2);
}

.page-disclaimer .doc-nav__label {
  margin: 0 0 var(--sp-2);
  font-size: 12px;
  letter-spacing: 0.18em;
  color: var(--c-gray);
  text-transform: uppercase;
}

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

.page-disclaimer .doc-nav__list a {
  display: inline-block;
  font-family: var(--f-body);
  font-size: 14px;
  line-height: 1.5;
  color: var(--c-bone);
  opacity: 0.74;
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color 160ms ease, border-color 160ms ease, opacity 160ms ease;
}

.page-disclaimer .doc-nav__list a:hover,
.page-disclaimer .doc-nav__list a:focus-visible {
  color: var(--c-cyan);
  opacity: 1;
  border-bottom-color: var(--c-cyan);
}

.page-disclaimer .doc-nav__list a:focus-visible {
  outline: 2px solid var(--c-cyan);
  outline-offset: 3px;
}

/* ---------- 条款条目 ---------- */
.page-disclaimer .clause {
  border-top: 1px solid var(--c-line);
  padding-top: var(--sp-3);
}

.page-disclaimer .clause:last-child {
  border-bottom: 1px solid var(--c-line);
  padding-bottom: var(--sp-3);
}

.page-disclaimer .clause__sum {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  gap: var(--sp-2);
  align-items: center;
  padding: 4px 0;
  cursor: pointer;
  list-style: none;
}

.page-disclaimer .clause__sum::-webkit-details-marker {
  display: none;
}

.page-disclaimer .clause__sum::marker {
  content: "";
}

.page-disclaimer .clause__num {
  font-size: 15px;
  line-height: 1;
  letter-spacing: 0.06em;
  color: var(--c-cyan);
}

.page-disclaimer .clause__title {
  margin: 0;
  min-width: 0;
  font-family: var(--f-head);
  font-size: clamp(20px, 5vw, 30px);
  font-weight: 800;
  line-height: 1.2;
  letter-spacing: -0.01em;
  color: var(--c-bone);
  word-break: break-word;
}

.page-disclaimer .clause__sum::after {
  content: "";
  width: 9px;
  height: 9px;
  border-right: 1px solid var(--c-gray);
  border-bottom: 1px solid var(--c-gray);
  transform: rotate(45deg);
  transition: transform 200ms ease, border-color 200ms ease;
}

.page-disclaimer .clause[open] .clause__sum::after {
  transform: rotate(-135deg);
  border-color: var(--c-cyan);
}

.page-disclaimer .clause__sum:hover .clause__title,
.page-disclaimer .clause__sum:focus-visible .clause__title {
  color: var(--c-cyan);
}

.page-disclaimer .clause__sum:focus-visible {
  outline: 2px solid var(--c-cyan);
  outline-offset: 4px;
}

.page-disclaimer .clause__body {
  padding-top: var(--sp-2);
}

.page-disclaimer .clause__body p {
  margin: 0 0 var(--sp-2);
  max-width: 68ch;
  font-family: var(--f-body);
  font-size: 16px;
  line-height: 1.8;
  color: var(--c-bone);
  opacity: 0.86;
}

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

.page-disclaimer .clause__body .doc-note {
  margin: var(--sp-2) 0 0;
  padding: 12px 16px;
  max-width: 64ch;
  border-left: 3px solid var(--c-yellow);
  background: rgba(255, 210, 63, 0.07);
  font-size: 15px;
  line-height: 1.7;
  color: var(--c-bone);
  opacity: 1;
}

.page-disclaimer .doc-list {
  display: grid;
  gap: 10px;
  margin: 0 0 var(--sp-2);
  padding: 0;
  max-width: 68ch;
  list-style: none;
}

.page-disclaimer .doc-list li {
  position: relative;
  padding-left: 22px;
  font-family: var(--f-body);
  font-size: 15.5px;
  line-height: 1.7;
  color: var(--c-bone);
  opacity: 0.86;
}

.page-disclaimer .doc-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 12px;
  width: 12px;
  height: 1px;
  background: var(--c-cyan);
}

.page-disclaimer .doc-link {
  color: var(--c-cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(53, 224, 214, 0.42);
  transition: border-color 160ms ease, color 160ms ease;
}

.page-disclaimer .doc-link:hover,
.page-disclaimer .doc-link:focus-visible {
  color: var(--c-bone);
  border-bottom-color: var(--c-bone);
}

.page-disclaimer .doc-link:focus-visible {
  outline: 2px solid var(--c-cyan);
  outline-offset: 2px;
}

/* ---------- 收束段 ---------- */
.page-disclaimer .doc-close {
  border-top: 1px solid var(--c-line);
  padding-top: var(--sp-4);
  padding-bottom: var(--sp-6);
}

.page-disclaimer .doc-close p {
  margin: 0 0 var(--sp-4);
  max-width: 60ch;
  font-family: var(--f-body);
  font-size: 17px;
  line-height: 1.9;
  color: var(--c-bone);
  opacity: 0.85;
}

.page-disclaimer .doc-close__actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--sp-2);
}

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .page-disclaimer .clause__body {
    padding-left: 46px;
  }

  .page-disclaimer .doc-head__meta {
    gap: var(--sp-1) var(--sp-5);
  }
}

@media (min-width: 900px) {
  .page-disclaimer .doc-body {
    grid-template-columns: 208px minmax(0, 1fr);
    gap: var(--sp-5);
    align-items: start;
  }

  .page-disclaimer .doc-nav {
    position: sticky;
    top: calc(var(--top-h) + var(--sp-3));
  }

  .page-disclaimer .doc-head {
    padding-top: var(--sp-6);
  }

  .page-disclaimer .doc-visual {
    margin-bottom: var(--sp-6);
  }
}

@media (min-width: 1180px) {
  .page-disclaimer .doc-body {
    grid-template-columns: 232px minmax(0, 1fr);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-disclaimer .clause__sum::after,
  .page-disclaimer .doc-nav__list a,
  .page-disclaimer .doc-link {
    transition: none;
  }
}