.page-disclaimer {
  --ag-flow: 46rem;
  --ag-gap: clamp(2rem, 5vw, 3.25rem);
  color: var(--chalk);
  padding-bottom: clamp(2.5rem, 6vw, 4.5rem);
}

/* 头部 */
.page-disclaimer .agreement-hero {
  position: relative;
  overflow: hidden;
  padding: clamp(2.25rem, 7vw, 5rem) 0 clamp(2.5rem, 7vw, 4.5rem);
  background:
    radial-gradient(130% 150% at 8% 0%, #0F3B33 0%, #071A16 52%, #071A16 100%);
  border-bottom-left-radius: var(--r-xl);
  border-bottom-right-radius: var(--r-xl);
}

.page-disclaimer .agreement-hero-art {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.26;
  pointer-events: none;
}

.page-disclaimer .agreement-hero-veil {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(7, 26, 22, 0.5) 0%, rgba(7, 26, 22, 0.9) 68%, #071A16 100%);
}

.page-disclaimer .agreement-hero-inner {
  position: relative;
  z-index: 1;
}

.page-disclaimer .crumb-sep {
  margin: 0 0.4rem;
  color: var(--graphite);
}

.page-disclaimer .agreement-title {
  font-family: var(--font-head);
  font-weight: 900;
  font-size: clamp(2.15rem, 8.4vw, 4.75rem);
  line-height: 0.98;
  letter-spacing: -0.03em;
  margin: 0.7rem 0 1.1rem;
  max-width: 15ch;
  color: var(--chalk);
}

.page-disclaimer .agreement-lede {
  max-width: 40ch;
  margin: 0;
  font-size: 1.0625rem;
  line-height: 1.75;
  color: rgba(230, 234, 230, 0.78);
}

.page-disclaimer .agreement-meta {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(9rem, 1fr));
  gap: 1rem;
  margin: 2rem 0 0;
  padding-top: 1.35rem;
  border-top: 1px solid var(--line);
}

.page-disclaimer .agreement-meta-item dt {
  font-size: 0.6875rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--mute);
}

.page-disclaimer .agreement-meta-item dd {
  margin: 0.3rem 0 0;
  font-family: var(--font-mono);
  font-size: 0.95rem;
  font-variant-numeric: tabular-nums;
  color: var(--lime);
}

/* 目录 */
.page-disclaimer .agreement-toc-wrap {
  margin-top: 1.5rem;
}

.page-disclaimer .agreement-toc {
  position: sticky;
  top: 0.75rem;
  z-index: 6;
}

.page-disclaimer .agreement-toc-list {
  display: flex;
  gap: 0.4rem;
  list-style: none;
  margin: 0;
  padding: 0.45rem;
  overflow-x: auto;
  scrollbar-width: none;
  -webkit-overflow-scrolling: touch;
  background: rgba(14, 18, 17, 0.9);
  border: 1px solid var(--line);
  border-radius: var(--r-pill);
  box-shadow: var(--shadow-card);
}

.page-disclaimer .agreement-toc-list::-webkit-scrollbar {
  display: none;
}

.page-disclaimer .toc-link {
  display: inline-flex;
  align-items: center;
  flex: 0 0 auto;
  padding: 0.42rem 0.85rem;
  border-radius: var(--r-pill);
  border: 1px solid transparent;
  color: var(--mute);
  font-size: 0.8125rem;
  line-height: 1.4;
  text-decoration: none;
  white-space: nowrap;
  transition: color 0.2s ease, border-color 0.2s ease, background-color 0.2s ease;
}

.page-disclaimer .toc-link:hover,
.page-disclaimer .toc-link:focus-visible,
.page-disclaimer .toc-link:focus {
  color: var(--chalk);
  border-color: var(--line-lime);
  background: rgba(200, 240, 75, 0.08);
  outline: none;
}

/* 正文流 */
.page-disclaimer .agreement-layout {
  padding-top: clamp(2rem, 5vw, 3.25rem);
}

.page-disclaimer .agreement-flow {
  max-width: var(--ag-flow);
  margin: 0 auto;
}

.page-disclaimer .clause-block {
  scroll-margin-top: 6rem;
}

.page-disclaimer .clause-head {
  display: flex;
  align-items: center;
  gap: 0.7rem;
  margin: 0 0 0.9rem;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: clamp(1.3rem, 4.4vw, 1.7rem);
  letter-spacing: -0.01em;
  color: var(--chalk);
}

.page-disclaimer .clause-head::before {
  content: "";
  flex: 0 0 auto;
  width: 1.6rem;
  height: 3px;
  border-radius: 2px;
  background: var(--gold);
}

.page-disclaimer .clause-block:target .clause-head {
  color: var(--lime);
}

.page-disclaimer .clause {
  display: grid;
  grid-template-columns: 2.2rem 1fr;
  gap: 0.3rem 0.7rem;
  padding: 0.85rem 0;
  border-bottom: 1px solid var(--line);
}

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

.page-disclaimer .clause-no {
  grid-column: 1;
  font-size: 1.05rem;
  font-weight: 700;
  line-height: 1.5;
  text-align: right;
  color: rgba(233, 180, 76, 0.88);
  font-variant-numeric: tabular-nums;
}

.page-disclaimer .clause-text {
  grid-column: 2;
  margin: 0;
  font-size: 0.9875rem;
  line-height: 1.78;
  color: rgba(230, 234, 230, 0.84);
}

.page-disclaimer .clause--key {
  position: relative;
  grid-template-columns: 2.2rem 1fr;
  padding: 1.1rem 1rem 1.1rem 0.85rem;
  margin: 0.55rem 0;
  border-bottom: 0;
  border-left: 3px solid var(--gold);
  border-radius: var(--r-md);
  background: linear-gradient(100deg, rgba(15, 59, 51, 0.96) 0%, rgba(15, 59, 51, 0.52) 100%);
  transition: border-color 0.25s ease, background-color 0.25s ease;
}

.page-disclaimer .clause--key:focus-visible {
  outline: 2px solid var(--line-lime);
  outline-offset: 3px;
}

.page-disclaimer .clause-note {
  grid-column: 2;
  margin: 0.5rem 0 0;
  padding-left: 0.7rem;
  border-left: 2px solid var(--line-gold);
  font-size: 0.8125rem;
  line-height: 1.65;
  color: var(--mute);
}

.page-disclaimer .agreement-link {
  color: var(--lime);
  text-decoration: none;
  border-bottom: 1px solid var(--line-lime);
  transition: color 0.2s ease, border-color 0.2s ease;
}

.page-disclaimer .agreement-link:hover,
.page-disclaimer .agreement-link:focus-visible {
  color: var(--chalk);
  border-bottom-color: var(--gold);
}

/* 每三条之间的浅色分隔带 */
.page-disclaimer .clause-gap {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin: 1.75rem 0;
}

.page-disclaimer .clause-gap::before,
.page-disclaimer .clause-gap::after {
  content: "";
  flex: 1 1 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--line-strong), transparent);
}

.page-disclaimer .clause-gap span {
  flex: 0 0 auto;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--gold);
  box-shadow: 0 0 0 4px rgba(233, 180, 76, 0.14);
}

/* 收束刻度与尾注 */
.page-disclaimer .agreement-tail {
  margin-top: var(--ag-gap);
}

.page-disclaimer .agreement-ruler {
  height: 46px;
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  background-color: var(--char);
  background-image:
    repeating-linear-gradient(90deg, rgba(200, 240, 75, 0.55) 0 2px, transparent 2px 132px),
    repeating-linear-gradient(90deg, rgba(230, 234, 230, 0.2) 0 1px, transparent 1px 26px);
  background-position: bottom left, bottom left;
  background-size: auto 22px, auto 12px;
  background-repeat: repeat-x;
}

.page-disclaimer .agreement-tail-note {
  margin: 1.25rem 0 0;
  max-width: var(--ag-flow);
  font-size: 0.9rem;
  line-height: 1.75;
  color: var(--mute);
}

/* 回到开头 */
.page-disclaimer .to-top {
  position: fixed;
  right: 1rem;
  bottom: 1.15rem;
  z-index: 20;
  display: inline-flex;
  align-items: center;
  padding: 0.5rem 0.95rem;
  border: 1px solid var(--line-strong);
  border-radius: var(--r-pill);
  background: rgba(14, 18, 17, 0.92);
  color: var(--mute);
  font-size: 0.75rem;
  letter-spacing: 0.06em;
  text-decoration: none;
  transition: color 0.2s ease, border-color 0.2s ease, transform 0.2s ease;
}

.page-disclaimer .to-top:hover,
.page-disclaimer .to-top:focus-visible {
  color: var(--lime);
  border-color: var(--line-lime);
  transform: translateY(-2px);
}

/* 桌面端 */
@media (min-width: 880px) {
  .page-disclaimer .agreement-toc {
    top: 1rem;
  }

  .page-disclaimer .clause {
    grid-template-columns: 3.75rem 1fr;
    gap: 0.35rem 1.35rem;
    padding: 1.05rem 0;
  }

  .page-disclaimer .clause--key {
    grid-template-columns: 3.75rem 1fr;
    padding: 1.35rem 1.35rem 1.35rem 1.1rem;
  }

  .page-disclaimer .clause-no {
    font-size: 1.45rem;
  }

  .page-disclaimer .agreement-ruler {
    height: 58px;
  }
}

@media (min-width: 880px) and (hover: hover) {
  .page-disclaimer .clause-note {
    max-height: 0;
    margin-top: 0;
    opacity: 0;
    overflow: hidden;
    transition: max-height 0.3s ease, opacity 0.3s ease, margin-top 0.3s ease;
  }

  .page-disclaimer .clause--key:hover .clause-note,
  .page-disclaimer .clause--key:focus-within .clause-note,
  .page-disclaimer .clause--key:focus .clause-note {
    max-height: 8rem;
    margin-top: 0.5rem;
    opacity: 1;
  }
}

/* 窄屏 */
@media (max-width: 520px) {
  .page-disclaimer .agreement-title {
    max-width: none;
  }

  .page-disclaimer .clause {
    grid-template-columns: 1.9rem 1fr;
    gap: 0.25rem 0.6rem;
  }

  .page-disclaimer .clause--key {
    grid-template-columns: 1.9rem 1fr;
    padding: 1rem 0.85rem 1rem 0.7rem;
  }

  .page-disclaimer .clause-no {
    font-size: 0.95rem;
  }

  .page-disclaimer .to-top {
    right: 0.75rem;
    bottom: 0.85rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-disclaimer .toc-link,
  .page-disclaimer .agreement-link,
  .page-disclaimer .clause--key,
  .page-disclaimer .to-top,
  .page-disclaimer .clause-note {
    transition: none;
  }
}