.page-disclaimer {
  --terms-num-width: 68px;
  --terms-sticky-top: 148px;
}

/* ---------- 顶部氛围横幅 ---------- */
.page-disclaimer__banner {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  background: var(--ink-800);
  border-bottom: 1px solid var(--line);
}

.page-disclaimer__banner img {
  position: absolute;
  inset: 0;
  z-index: -2;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 30%;
  opacity: .34;
  filter: saturate(.7) contrast(1.05);
}

.page-disclaimer__banner::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background:
    linear-gradient(180deg, rgba(11, 27, 43, .70) 0%, rgba(11, 27, 43, .90) 62%, var(--ink-900) 100%);
}

.page-disclaimer__banner-inner {
  position: relative;
  padding-block: clamp(52px, 10vw, 128px) clamp(38px, 7vw, 84px);
  max-width: 960px;
}

.page-disclaimer__title {
  margin: 14px 0 20px;
  font-family: var(--font-title);
  font-size: clamp(34px, 7vw, 62px);
  font-weight: 900;
  line-height: 1.04;
  letter-spacing: -0.02em;
  color: var(--paper);
}

.page-disclaimer__lede {
  margin: 0;
  max-width: 62ch;
  font-size: clamp(15px, 1.8vw, 18px);
  line-height: 1.78;
  color: var(--paper-dim);
}

/* ---------- 目录 + 条款正文 双栏 ---------- */
.page-disclaimer__layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(26px, 4vw, 44px);
  padding-block: clamp(32px, 5vw, 60px) clamp(72px, 11vw, 132px);
}

.page-disclaimer__toc {
  align-self: start;
  padding: 18px 16px 16px;
  background: var(--ink-800);
  border: 1px solid var(--line);
  border-radius: var(--radius-card);
}

.page-disclaimer__toc .label {
  display: block;
  margin: 0 0 12px;
}

.page-disclaimer__toc-list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 1px;
}

.page-disclaimer__toc-list a {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 9px 10px;
  border-left: 2px solid var(--line);
  color: var(--paper-dim);
  font-size: 14px;
  line-height: 1.5;
  text-decoration: none;
  transition: border-color .2s var(--ease), color .2s var(--ease), background-color .2s var(--ease);
}

.page-disclaimer__toc-list a .mono {
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--neon);
  opacity: .8;
}

.page-disclaimer__toc-list a:hover,
.page-disclaimer__toc-list a:focus-visible {
  border-left-color: var(--neon);
  background: rgba(53, 240, 208, .07);
  color: var(--paper);
}

/* ---------- 条款条目 ---------- */
.page-disclaimer__body {
  min-width: 0;
}

.page-disclaimer__block {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 4px;
  padding-block: clamp(26px, 4vw, 44px);
  border-top: 1px solid var(--line);
  scroll-margin-top: 150px;
}

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

.page-disclaimer__num {
  margin: 0;
  font-family: var(--font-data);
  font-size: clamp(15px, 2.4vw, 19px);
  font-weight: 600;
  letter-spacing: .08em;
  font-variant-numeric: tabular-nums;
  color: var(--neon);
}

.page-disclaimer__content {
  min-width: 0;
}

.page-disclaimer__heading {
  margin: 0 0 14px;
  font-family: var(--font-title);
  font-size: clamp(21px, 3.4vw, 32px);
  font-weight: 900;
  line-height: 1.22;
  letter-spacing: -0.015em;
  color: var(--paper);
}

.page-disclaimer__content p {
  margin: 0 0 14px;
  color: var(--paper-dim);
}

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

.page-disclaimer__content strong {
  color: var(--paper);
  font-weight: 600;
}

.page-disclaimer__clock {
  display: inline-block;
  padding: 1px 6px;
  margin: 0 1px;
  border-radius: 3px;
  background: rgba(53, 240, 208, .2);
  border-bottom: 2px solid var(--neon);
  font-family: var(--font-data);
  font-weight: 600;
  font-variant-numeric: tabular-nums;
  font-size: .95em;
  color: var(--paper);
}

.page-disclaimer__cta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 22px !important;
}

/* ---------- 横向分隔带 ---------- */
.page-disclaimer__divider {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-block: clamp(16px, 3vw, 32px);
}

.page-disclaimer__divider-bar {
  flex: 1 1 0;
  min-width: 20px;
  height: 6px;
  border-radius: 2px;
  background: linear-gradient(90deg, var(--ink-700), var(--paper-tint));
  opacity: .6;
}

.page-disclaimer__divider-bar:last-child {
  background: linear-gradient(90deg, var(--paper-tint), var(--ink-700));
}

.page-disclaimer__divider-mark {
  font-family: var(--font-data);
  font-size: 11px;
  letter-spacing: .22em;
  white-space: nowrap;
  color: var(--paper-faint);
}

/* ---------- 回到顶部 ---------- */
.page-disclaimer__totop {
  position: fixed;
  right: clamp(14px, 3vw, 28px);
  bottom: 96px;
  z-index: 40;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 9px 16px;
  border-radius: var(--radius-pill);
  background: rgba(18, 41, 63, .92);
  border: 1px solid var(--line-strong);
  color: var(--paper);
  font-family: var(--font-data);
  font-size: 12px;
  letter-spacing: .08em;
  text-decoration: none;
  backdrop-filter: blur(8px);
  transition: border-color .2s var(--ease), background-color .2s var(--ease);
}

.page-disclaimer__totop:hover,
.page-disclaimer__totop:focus-visible {
  border-color: var(--neon);
  background: rgba(53, 240, 208, .14);
}

/* ---------- 平板及以上 ---------- */
@media (min-width: 720px) {
  .page-disclaimer__block {
    grid-template-columns: var(--terms-num-width) minmax(0, 1fr);
    gap: 0 clamp(20px, 3vw, 40px);
  }

  .page-disclaimer__num {
    padding-top: 6px;
  }
}

@media (min-width: 900px) {
  .page-disclaimer__layout {
    grid-template-columns: 208px minmax(0, 1fr);
    gap: clamp(36px, 6vw, 88px);
    padding-block: clamp(48px, 6vw, 84px) clamp(88px, 10vw, 148px);
  }

  .page-disclaimer__toc {
    position: sticky;
    top: var(--terms-sticky-top);
    padding: 22px 18px 20px;
  }

  .page-disclaimer__totop {
    bottom: 38px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-disclaimer__toc-list a,
  .page-disclaimer__totop {
    transition: none;
  }
}