.page-disclaimer {
  --doc-edge: rgba(39, 64, 95, 0.34);
  --doc-avail: rgba(53, 242, 228, 0.07);
  display: block;
  background:
    radial-gradient(120% 60% at 82% 0%, rgba(53, 242, 228, 0.09), transparent 62%),
    radial-gradient(90% 46% at 4% 3%, rgba(255, 122, 47, 0.08), transparent 60%);
}

.page-disclaimer a:focus-visible,
.page-disclaimer summary:focus-visible {
  outline: 2px solid var(--orange);
  outline-offset: 2px;
  border-radius: 4px;
}

/* 页头：条款档案封面 */
.page-disclaimer .doc-hero {
  position: relative;
  overflow: hidden;
  padding: calc(var(--header-offset) + 8px) 0 40px;
  border-bottom: 1px solid var(--line);
}

.page-disclaimer .doc-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image:
    repeating-linear-gradient(90deg, var(--doc-edge) 0 1px, transparent 1px 68px),
    repeating-linear-gradient(0deg, var(--doc-edge) 0 1px, transparent 1px 68px);
  -webkit-mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.85), transparent 88%);
  mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.85), transparent 88%);
}

.page-disclaimer .doc-hero__inner {
  position: relative;
  display: grid;
  gap: 28px;
  align-items: start;
}

.page-disclaimer .breadcrumbs {
  margin-bottom: 18px;
}

.page-disclaimer .doc-hero__title {
  margin: 12px 0 0;
  color: var(--white);
  font-size: clamp(30px, 7vw, 54px);
  font-weight: 800;
  line-height: 1.14;
  letter-spacing: -0.02em;
  max-width: 18ch;
}

.page-disclaimer .doc-hero__lead {
  margin: 16px 0 0;
  max-width: 56ch;
  color: var(--mist);
  font-size: 16px;
  line-height: 1.8;
}

.page-disclaimer .doc-hero__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 20px;
}

.page-disclaimer .doc-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 24px;
}

.page-disclaimer .doc-hero__figure {
  margin: 0;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius-m);
  background: var(--ink-800);
  box-shadow: 0 18px 40px -30px rgba(0, 0, 0, 0.95);
}

.page-disclaimer .doc-hero__figure img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  opacity: 0.94;
}

.page-disclaimer .doc-hero__caption {
  padding: 10px 14px;
  border-top: 1px solid var(--line);
  background: rgba(8, 20, 38, 0.72);
  color: var(--steel);
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.08em;
}

/* 正文骨架：目录 + 条款卡 */
.page-disclaimer .doc-body {
  display: grid;
  gap: 28px;
  padding-top: 40px;
  padding-bottom: 64px;
}

.page-disclaimer .doc-rail {
  min-width: 0;
  padding: 16px 16px 18px;
  border: 1px solid var(--line);
  border-radius: var(--radius-m);
  background: linear-gradient(180deg, rgba(15, 32, 56, 0.92), rgba(8, 20, 38, 0.92));
}

.page-disclaimer .doc-rail__title {
  margin: 0 0 10px;
  color: var(--steel);
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

.page-disclaimer .doc-rail .toc {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 4px;
}

.page-disclaimer .doc-rail .toc__link {
  display: block;
  padding: 8px 10px;
  border-left: 2px solid transparent;
  border-radius: 0 6px 6px 0;
  color: var(--mist);
  font-size: 14px;
  line-height: 1.5;
  text-decoration: none;
  transition: background var(--dur) var(--ease), border-color var(--dur) var(--ease), color var(--dur) var(--ease);
}

.page-disclaimer .doc-rail .toc__link:hover,
.page-disclaimer .doc-rail .toc__link:focus-visible {
  border-left-color: var(--cyan);
  background: var(--doc-avail);
  color: var(--white);
}

.page-disclaimer .doc-rail .toc__link[aria-current="true"] {
  border-left-color: var(--orange);
  background: rgba(255, 122, 47, 0.1);
  color: var(--white);
}

.page-disclaimer .doc-rail__note {
  margin: 16px 0 0;
  padding-top: 14px;
  border-top: 1px solid var(--line);
  color: var(--steel);
  font-size: 13px;
  line-height: 1.7;
}

.page-disclaimer .doc-rail__note a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(53, 242, 228, 0.4);
}

.page-disclaimer .doc-clauses {
  display: grid;
  gap: 18px;
  min-width: 0;
}

.page-disclaimer .clause-card {
  min-width: 0;
  padding: 20px;
  border: 1px solid var(--line);
  border-radius: var(--radius-m);
  background: var(--ink-800);
  box-shadow: 0 1px 0 rgba(255, 255, 255, 0.02), 0 14px 34px -28px rgba(0, 0, 0, 0.95);
  scroll-margin-top: calc(var(--header-offset) + 16px);
  transition: border-color var(--dur) var(--ease), transform var(--dur) var(--ease);
}

.page-disclaimer .clause-card:hover {
  transform: translateY(-2px);
  border-color: rgba(53, 242, 228, 0.5);
}

.page-disclaimer .clause-card__head {
  display: flex;
  align-items: center;
  gap: 12px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--line);
}

.page-disclaimer .clause-card__no {
  flex: none;
  padding: 4px 8px;
  border-radius: 4px;
  background: var(--cyan);
  color: var(--ink-900);
  font-family: var(--mono);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.1em;
}

.page-disclaimer .clause-card__title {
  margin: 0;
  color: var(--white);
  font-size: 19px;
  font-weight: 700;
  line-height: 1.4;
  letter-spacing: 0.01em;
}

.page-disclaimer .clause-card__body {
  min-width: 0;
}

.page-disclaimer .clause-card__body p {
  margin: 14px 0 0;
  color: var(--mist);
  font-size: 15px;
  line-height: 1.8;
}

.page-disclaimer .clause-card__body p a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(53, 242, 228, 0.4);
}

.page-disclaimer .clause-list {
  list-style: none;
  margin: 14px 0 0;
  padding: 0;
  display: grid;
  gap: 8px;
}

.page-disclaimer .clause-list li {
  position: relative;
  padding-left: 20px;
  color: var(--mist);
  font-size: 15px;
  line-height: 1.7;
}

.page-disclaimer .clause-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.68em;
  width: 10px;
  height: 2px;
  background: var(--cyan);
}

.page-disclaimer .clause-rule {
  margin: 16px 0 0;
  padding: 12px 14px;
  border-left: 3px solid var(--orange);
  border-radius: 0 8px 8px 0;
  background: rgba(255, 122, 47, 0.09);
  color: var(--mist);
  font-size: 14px;
  line-height: 1.7;
}

/* 更新记录 */
.page-disclaimer .doc-updates {
  margin-top: 34px;
  padding-top: 30px;
  border-top: 1px solid var(--line);
}

.page-disclaimer .doc-updates__intro {
  margin: 10px 0 18px;
  color: var(--steel);
  font-size: 14px;
  line-height: 1.7;
}

.page-disclaimer .update-item {
  margin-bottom: 10px;
  border: 1px solid var(--line);
  border-radius: var(--radius-s);
  background: rgba(15, 32, 56, 0.7);
  overflow: hidden;
}

.page-disclaimer .update-item > summary {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  padding: 14px 16px;
  cursor: pointer;
  list-style: none;
  color: var(--mist);
  font-size: 15px;
  line-height: 1.5;
}

.page-disclaimer .update-item > summary::-webkit-details-marker {
  display: none;
}

.page-disclaimer .update-item > summary::after {
  content: "+";
  margin-left: auto;
  color: var(--cyan);
  font-family: var(--mono);
  font-size: 16px;
}

.page-disclaimer .update-item[open] > summary::after {
  content: "−";
  color: var(--orange);
}

.page-disclaimer .update-item__ver {
  padding: 3px 8px;
  border: 1px solid var(--line);
  border-radius: var(--radius-pill);
  color: var(--cyan);
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.08em;
}

.page-disclaimer .update-item__name {
  font-weight: 600;
  color: var(--white);
}

.page-disclaimer .update-item__body {
  padding: 0 16px 16px;
  border-top: 1px solid var(--line);
}

.page-disclaimer .update-item__body p {
  margin: 14px 0 0;
  color: var(--steel);
  font-size: 14px;
  line-height: 1.8;
}

/* 相关入口 */
.page-disclaimer .doc-links {
  margin-top: 32px;
  display: grid;
  gap: 12px;
}

.page-disclaimer .doc-links__item {
  display: grid;
  gap: 4px;
  padding: 15px 17px;
  border: 1px solid var(--line);
  border-radius: var(--radius-s);
  background: var(--ink-800);
  text-decoration: none;
  transition: border-color var(--dur) var(--ease), transform var(--dur) var(--ease), background var(--dur) var(--ease);
}

.page-disclaimer .doc-links__item:hover,
.page-disclaimer .doc-links__item:focus-visible {
  transform: translateY(-2px);
  border-color: var(--cyan);
  background: rgba(53, 242, 228, 0.06);
}

.page-disclaimer .doc-links__label {
  color: var(--white);
  font-size: 15px;
  font-weight: 700;
}

.page-disclaimer .doc-links__desc {
  color: var(--steel);
  font-size: 13px;
  line-height: 1.7;
}

@media (min-width: 720px) {
  .page-disclaimer .doc-links {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-disclaimer .clause-card {
    padding: 24px;
  }

  .page-disclaimer .clause-card__title {
    font-size: 21px;
  }
}

@media (min-width: 960px) {
  .page-disclaimer .doc-hero {
    padding: calc(var(--header-offset) + 16px) 0 56px;
  }

  .page-disclaimer .doc-hero__inner {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.85fr);
    gap: 44px;
    align-items: center;
  }

  .page-disclaimer .doc-body {
    grid-template-columns: 232px minmax(0, 1fr);
    gap: 40px;
    padding-top: 52px;
    padding-bottom: 80px;
  }

  .page-disclaimer .doc-rail {
    position: sticky;
    top: calc(var(--header-offset) + 12px);
    align-self: start;
  }

  .page-disclaimer .doc-clauses {
    gap: 20px;
  }

  .page-disclaimer .clause-card {
    padding: 26px 28px;
  }

  .page-disclaimer .doc-updates {
    margin-top: 40px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-disclaimer .clause-card,
  .page-disclaimer .doc-links__item,
  .page-disclaimer .doc-rail .toc__link {
    transition: none;
  }

  .page-disclaimer .clause-card:hover,
  .page-disclaimer .doc-links__item:hover {
    transform: none;
  }
}