.page-disclaimer {
  --disc-toc-w: 252px;
  --disc-rule-h: 3px;
}

/* 顶底两条极窄分隔带 */
.page-disclaimer .legal-rule {
  height: var(--disc-rule-h);
  background: linear-gradient(90deg, var(--accent) 0 78px, var(--pitch-950) 78px 100%);
  border-top: 1px solid rgba(0, 0, 0, .45);
}

.page-disclaimer .legal-rule--top {
  margin-bottom: clamp(18px, 3vw, 32px);
}

.page-disclaimer .legal-rule--bottom {
  margin-top: clamp(48px, 7vw, 96px);
}

/* 页头 */
.page-disclaimer .legal-head {
  max-width: 82ch;
  padding-top: clamp(24px, 3.5vw, 44px);
}

.page-disclaimer .legal-head .u-eyebrow {
  margin: 0 0 10px;
  color: var(--cyan-400);
}

.page-disclaimer .legal-head h1 {
  margin: 0 0 .55em;
  font-size: clamp(2rem, 4vw, 3.15rem);
  line-height: 1.14;
  letter-spacing: -.02em;
  color: var(--text);
}

.page-disclaimer .legal-head .u-lead {
  max-width: 66ch;
  margin: 0 0 1.35rem;
  font-size: clamp(1rem, 1.25vw, 1.0625rem);
  line-height: 1.88;
  color: var(--text-dim);
}

.page-disclaimer .legal-head__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

/* 通栏氛围图 */
.page-disclaimer .legal-band {
  position: relative;
  margin: clamp(28px, 4vw, 52px) 0 0;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: var(--pitch-950);
  overflow: hidden;
}

.page-disclaimer .legal-band img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: clamp(180px, 24vw, 300px);
  object-fit: cover;
  opacity: .6;
  filter: saturate(.85);
}

.page-disclaimer .legal-band__cap {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  padding: 12px clamp(16px, 4vw, 40px);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .04em;
  color: var(--text-dim);
  background: linear-gradient(90deg, rgba(8, 22, 15, .94) 40%, rgba(8, 22, 15, 0));
}

/* 两栏主体 */
.page-disclaimer .legal-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(24px, 4vw, 48px);
  padding-block: clamp(36px, 5vw, 72px);
  align-items: start;
}

/* 目录 */
.page-disclaimer .legal-toc {
  padding: 18px 16px 20px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  box-shadow: var(--shadow-1);
}

.page-disclaimer .legal-toc__title {
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--text-mute);
}

.page-disclaimer .legal-toc__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 3px;
  counter-reset: none;
}

.page-disclaimer .legal-toc__item a {
  display: grid;
  grid-template-columns: 2.2rem minmax(0, 1fr);
  align-items: baseline;
  gap: 8px;
  padding: 9px 8px;
  border-left: 2px solid transparent;
  border-radius: 2px;
  font-size: 14px;
  line-height: 1.5;
  color: var(--text-dim);
  text-decoration: none;
  transition: color .16s var(--ease), background-color .16s var(--ease), border-color .16s var(--ease);
}

.page-disclaimer .legal-toc__idx {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .08em;
  font-variant-numeric: tabular-nums;
  color: var(--text-mute);
  transition: color .16s var(--ease);
}

.page-disclaimer .legal-toc__item a:hover,
.page-disclaimer .legal-toc__item a:focus-visible {
  color: var(--text);
  border-left-color: var(--accent);
  background-color: rgba(242, 160, 61, .09);
}

.page-disclaimer .legal-toc__item a:hover .legal-toc__idx,
.page-disclaimer .legal-toc__item a:focus-visible .legal-toc__idx {
  color: var(--accent);
}

.page-disclaimer .legal-toc__note {
  margin: 16px 0 0;
  padding-top: 14px;
  border-top: 1px solid var(--line-soft);
  font-size: 12.5px;
  line-height: 1.7;
  color: var(--text-mute);
}

/* 条款正文 */
.page-disclaimer .legal-body {
  min-width: 0;
  max-width: 74ch;
}

.page-disclaimer .clause {
  padding-block: clamp(24px, 3vw, 36px);
  border-top: 1px solid var(--line-soft);
  scroll-margin-top: 24px;
}

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

.page-disclaimer .clause:target h2 {
  color: var(--accent);
}

.page-disclaimer .clause h2 {
  display: flex;
  align-items: baseline;
  gap: 12px;
  margin: 0 0 16px;
  font-size: clamp(1.32rem, 2.2vw, 1.72rem);
  line-height: 1.26;
  letter-spacing: -.01em;
  color: var(--text);
  transition: color .2s var(--ease);
}

.page-disclaimer .clause__num {
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .12em;
  color: var(--accent);
  font-variant-numeric: tabular-nums;
}

.page-disclaimer .clause p {
  margin: 0 0 1em;
  font-size: 16px;
  line-height: 1.92;
  color: var(--text-dim);
}

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

.page-disclaimer .clause strong {
  color: var(--text);
  font-weight: 600;
}

.page-disclaimer .clause-list {
  list-style: none;
  margin: 0 0 1em;
  padding: 0;
  display: grid;
  gap: 11px;
}

.page-disclaimer .clause-list li {
  position: relative;
  padding-left: 24px;
  font-size: 15.5px;
  line-height: 1.85;
  color: var(--text-dim);
}

.page-disclaimer .clause-list li::before {
  content: "";
  position: absolute;
  left: 3px;
  top: .82em;
  width: 10px;
  height: 1px;
  background: var(--cyan-400);
}

.page-disclaimer .clause a {
  color: var(--accent);
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
  transition: color .16s var(--ease);
}

.page-disclaimer .clause a:hover,
.page-disclaimer .clause a:focus-visible {
  color: var(--amber-500);
}

/* 授权申请折叠块 */
.page-disclaimer .legal-apply {
  margin-top: 20px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  box-shadow: var(--shadow-1);
  overflow: hidden;
}

.page-disclaimer .legal-apply summary {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 14px 18px;
  font-size: 14.5px;
  font-weight: 600;
  color: var(--text);
  cursor: pointer;
  list-style: none;
  background: rgba(55, 194, 214, .07);
  transition: background-color .16s var(--ease);
}

.page-disclaimer .legal-apply summary::-webkit-details-marker {
  display: none;
}

.page-disclaimer .legal-apply summary:hover {
  background: rgba(55, 194, 214, .13);
}

.page-disclaimer .legal-apply summary::before {
  content: "+";
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: 16px;
  line-height: 1;
  color: var(--cyan-400);
}

.page-disclaimer .legal-apply[open] summary::before {
  content: "\2212";
}

.page-disclaimer .legal-apply__body {
  padding: 16px 18px 18px;
  border-top: 1px solid var(--line-soft);
}

.page-disclaimer .legal-apply__body .clause-list:last-child {
  margin-bottom: 0;
}

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

/* 底部窄带 */
.page-disclaimer .legal-foot {
  background: var(--surface-2);
  border-bottom: 1px solid var(--line);
}

.page-disclaimer .legal-foot__inner {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 32px;
  justify-content: space-between;
  align-items: baseline;
  padding-block: 18px;
}

.page-disclaimer .legal-foot__note {
  margin: 0;
  font-size: 12.5px;
  line-height: 1.7;
  color: var(--text-mute);
}

.page-disclaimer .legal-foot__icp {
  margin: 0;
  font-size: 12.5px;
  letter-spacing: .04em;
  color: var(--slate-500);
}

/* 桌面端分栏与粘性目录 */
@media (min-width: 900px) {
  .page-disclaimer .legal-layout {
    grid-template-columns: var(--disc-toc-w) minmax(0, 1fr);
    gap: clamp(48px, 6vw, 92px);
  }

  .page-disclaimer .legal-toc {
    position: sticky;
    top: 24px;
    padding: 20px 16px 22px;
  }
}

@media (max-width: 599px) {
  .page-disclaimer .legal-toc__item a {
    grid-template-columns: 2rem minmax(0, 1fr);
    font-size: 13.5px;
  }

  .page-disclaimer .legal-band__cap {
    font-size: 11px;
  }

  .page-disclaimer .clause p {
    font-size: 15.5px;
    line-height: 1.86;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-disclaimer .legal-toc__item a,
  .page-disclaimer .clause h2,
  .page-disclaimer .clause a,
  .page-disclaimer .legal-apply summary {
    transition: none;
  }
}