.page-disclaimer {
  background: var(--paper-100);
  color: var(--char-900);
  font-family: var(--font-body);
  overflow-x: clip;
}

.page-disclaimer .visually-hidden-title {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
  border: 0;
}

/* ============ 顶部版本标识区 ============ */
.page-disclaimer .agreement-hero {
  position: relative;
  isolation: isolate;
  background: var(--ink-900);
  color: var(--paper-100);
  padding-top: calc(var(--header-h) + clamp(1.5rem, 4vw, 3rem));
  padding-bottom: clamp(2.5rem, 6vw, 4.5rem);
}

.page-disclaimer .agreement-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -2;
  background-image:
    linear-gradient(to right, var(--line-dark-soft) 1px, transparent 1px),
    linear-gradient(to bottom, var(--line-dark-soft) 1px, transparent 1px);
  background-size: 40px 40px, 120px 120px;
  opacity: .65;
  pointer-events: none;
}

.page-disclaimer .agreement-hero::after {
  content: "";
  position: absolute;
  z-index: -1;
  top: 4%;
  right: 0;
  width: min(520px, 68vw);
  aspect-ratio: 1;
  background: radial-gradient(circle at center, rgba(217, 166, 46, .18), rgba(217, 166, 46, 0) 66%);
  pointer-events: none;
}

.page-disclaimer .agreement-hero__inner {
  position: relative;
  z-index: 1;
  display: grid;
  gap: 2.25rem;
}

@media (min-width: 900px) {
  .page-disclaimer .agreement-hero__inner {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, .95fr);
    column-gap: 3.5rem;
    align-items: end;
  }
}

.page-disclaimer .agreement-hero__lead {
  display: flex;
  flex-direction: column;
}

.page-disclaimer .breadcrumb {
  display: flex;
  align-items: center;
  gap: .5rem;
  font-family: var(--font-mono);
  font-size: .74rem;
  letter-spacing: .06em;
  color: var(--mist-400);
  margin-bottom: 1.6rem;
}

.page-disclaimer .breadcrumb a {
  color: var(--mist-400);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color .2s var(--ease), border-color .2s var(--ease);
}

.page-disclaimer .breadcrumb a:hover {
  color: var(--gold-300);
  border-bottom-color: var(--gold-300);
}

.page-disclaimer .breadcrumb__sep {
  color: var(--moss-600);
}

.page-disclaimer .agreement-hero__title {
  font-size: clamp(2.3rem, 6.5vw, 3.5rem);
  font-weight: 900;
  letter-spacing: -.02em;
  line-height: 1.1;
  margin: .55rem 0 1rem;
  color: var(--paper-100);
}

.page-disclaimer .agreement-hero__lede {
  max-width: 40em;
  font-size: clamp(.96rem, 1.6vw, 1.06rem);
  line-height: 1.9;
  color: var(--paper-200);
  margin: 0;
}

/* 版本印章 */
.page-disclaimer .stamp {
  position: relative;
  display: inline-grid;
  gap: .22rem;
  margin-top: 1.9rem;
  padding: .95rem 1.9rem 1rem 1.35rem;
  border: 1px solid var(--gold-500);
  border-left-width: 4px;
  background: linear-gradient(135deg, rgba(217, 166, 46, .12), rgba(217, 166, 46, .02));
  max-width: 100%;
  outline: none;
  transition: border-color .24s var(--ease), background .24s var(--ease);
}

.page-disclaimer .stamp:hover,
.page-disclaimer .stamp:focus-within {
  border-color: var(--gold-300);
  background: linear-gradient(135deg, rgba(217, 166, 46, .2), rgba(217, 166, 46, .05));
}

.page-disclaimer .stamp::after {
  content: "";
  position: absolute;
  top: -1px;
  right: -1px;
  width: 24px;
  height: 24px;
  background: var(--rust-500);
  clip-path: polygon(100% 0, 0 0, 100% 100%);
}

.page-disclaimer .stamp__k {
  font-size: .68rem;
  letter-spacing: .18em;
  color: var(--mist-400);
  font-family: var(--font-mono);
}

.page-disclaimer .stamp__v {
  font-family: var(--font-mono);
  font-size: clamp(1.6rem, 4vw, 2rem);
  font-weight: 700;
  letter-spacing: .06em;
  line-height: 1.1;
  color: var(--gold-300);
}

.page-disclaimer .stamp__meta {
  font-family: var(--font-mono);
  font-size: .72rem;
  letter-spacing: .06em;
  color: var(--mist-400);
}

.page-disclaimer .stamp__hint {
  position: absolute;
  left: 0;
  top: calc(100% + .6rem);
  width: min(340px, 88vw);
  padding: .7rem .9rem;
  font-size: .78rem;
  line-height: 1.65;
  color: var(--paper-200);
  background: var(--ink-800);
  border: 1px solid var(--line-dark);
  border-left: 3px solid var(--gold-500);
  opacity: 0;
  visibility: hidden;
  transform: translateY(-5px);
  transition: opacity .22s var(--ease), transform .22s var(--ease), visibility .22s;
  z-index: 6;
}

.page-disclaimer .stamp:hover .stamp__hint,
.page-disclaimer .stamp:focus-within .stamp__hint {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

/* 首屏图形 */
.page-disclaimer .agreement-hero__figure {
  position: relative;
  margin: 0;
  border: 1px solid var(--line-dark);
  overflow: hidden;
  aspect-ratio: 16 / 10;
  background: var(--ink-850);
}

@media (min-width: 900px) {
  .page-disclaimer .agreement-hero__figure {
    aspect-ratio: 4 / 3;
  }
}

.page-disclaimer .agreement-hero__figure img {
  display: block;
  width: 100%;
  height: 100%;
  max-width: 100%;
  object-fit: cover;
}

.page-disclaimer .agreement-hero__figure .media-frame__caption {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  padding: .55rem .85rem;
  font-family: var(--font-mono);
  font-size: .68rem;
  letter-spacing: .08em;
  color: var(--paper-200);
  background: linear-gradient(to top, rgba(12, 38, 33, .92), rgba(12, 38, 33, 0));
}

/* ============ 条款正文 ============ */
.page-disclaimer .agreement-body {
  background: var(--paper-100);
  color: var(--char-900);
  padding: clamp(2.5rem, 6vw, 4.5rem) 0 clamp(3rem, 6vw, 4.5rem);
}

.page-disclaimer .agreement-body__inner {
  position: relative;
}

.page-disclaimer .clause {
  display: grid;
  gap: 1rem;
  padding: clamp(1.9rem, 4.4vw, 2.75rem) 0;
  border-top: 1px solid var(--line-dark-soft);
  scroll-margin-top: calc(var(--header-h-scrolled) + 1.5rem);
}

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

@media (min-width: 820px) {
  .page-disclaimer .clause {
    grid-template-columns: 92px minmax(0, 1fr);
    column-gap: 2.25rem;
    align-items: start;
  }
}

.page-disclaimer .clause__num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.6rem;
  height: 2.6rem;
  border: 1px solid var(--line-dark);
  color: var(--moss-600);
  font-family: var(--font-mono);
  font-size: .85rem;
  letter-spacing: .1em;
  text-decoration: none;
  transition: border-color .24s var(--ease), color .24s var(--ease), background .24s var(--ease);
}

.page-disclaimer .clause__num:hover,
.page-disclaimer .clause__num:focus-visible {
  border-color: var(--gold-500);
  background: rgba(217, 166, 46, .16);
  color: var(--char-900);
}

.page-disclaimer .clause:target {
  background: linear-gradient(to right, rgba(217, 166, 46, .1), rgba(217, 166, 46, 0) 62%);
}

.page-disclaimer .clause:target .clause__num {
  border-color: var(--gold-500);
  background: var(--gold-500);
  color: var(--ink-900);
}

.page-disclaimer .clause__title {
  position: relative;
  margin: 0 0 .95rem;
  padding-left: 1.1rem;
  font-size: clamp(1.35rem, 3.4vw, 1.8rem);
  font-weight: 700;
  letter-spacing: -.01em;
  line-height: 1.35;
  color: var(--char-900);
}

.page-disclaimer .clause__title::before {
  content: "";
  position: absolute;
  left: 0;
  top: .42em;
  width: .45rem;
  height: .45rem;
  background: var(--gold-500);
  transform: rotate(45deg);
}

.page-disclaimer .clause__body .prose {
  max-width: 44em;
  font-size: 1rem;
  line-height: 1.9;
  color: var(--char-900);
}

.page-disclaimer .clause__body .prose p {
  margin: 0 0 .95rem;
}

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

.page-disclaimer .clause__body .prose a {
  color: var(--ink-800);
  text-decoration: none;
  border-bottom: 1px solid var(--ice-400);
  transition: border-color .2s var(--ease), color .2s var(--ease);
}

.page-disclaimer .clause__body .prose a:hover {
  color: var(--rust-500);
  border-bottom-color: var(--rust-500);
}

.page-disclaimer .clause__body .mono {
  font-family: var(--font-mono);
  font-size: .9em;
  letter-spacing: .02em;
  color: var(--ink-800);
  padding: .08em .38em;
  background: var(--paper-200);
  white-space: nowrap;
}

.page-disclaimer .clause__body .archive-tag {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: .76em;
  letter-spacing: .06em;
  padding: .18em .55em;
  vertical-align: .06em;
  line-height: 1.5;
}

/* ============ 底部服务色带 ============ */
.page-disclaimer .agreement-routes {
  background: var(--ink-800);
  color: var(--paper-100);
  padding: clamp(2.25rem, 5.5vw, 3.5rem) 0;
  position: relative;
}

.page-disclaimer .agreement-routes::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(to right, var(--gold-500), var(--rust-500) 42%, var(--ice-400));
}

.page-disclaimer .agreement-routes__inner {
  display: grid;
  gap: 1.6rem;
}

@media (min-width: 800px) {
  .page-disclaimer .agreement-routes__inner {
    grid-template-columns: minmax(0, 1fr) auto;
    gap: 2.75rem;
    align-items: center;
  }
}

.page-disclaimer .agreement-routes__title {
  margin: .5rem 0 .55rem;
  font-size: clamp(1.25rem, 3.2vw, 1.6rem);
  font-weight: 700;
  letter-spacing: -.01em;
  line-height: 1.4;
  color: var(--paper-100);
}

.page-disclaimer .agreement-routes__note {
  margin: 0;
  font-size: .95rem;
  line-height: 1.85;
  color: var(--mist-400);
  max-width: 34em;
}

.page-disclaimer .agreement-routes__actions {
  display: flex;
  flex-wrap: wrap;
  gap: .8rem;
}

.page-disclaimer .agreement-routes__link {
  display: inline-flex;
  align-items: center;
  gap: .5rem;
  padding: .82rem 1.55rem;
  border: 1px solid var(--hair-light);
  color: var(--paper-100);
  font-size: .95rem;
  font-weight: 600;
  text-decoration: none;
  transition: border-color .24s var(--ease), background .24s var(--ease), color .24s var(--ease);
}

.page-disclaimer .agreement-routes__link:hover,
.page-disclaimer .agreement-routes__link:focus-visible {
  border-color: var(--gold-500);
  background: rgba(217, 166, 46, .14);
  color: var(--gold-300);
}

@media (max-width: 480px) {
  .page-disclaimer .agreement-routes__actions {
    flex-direction: column;
    align-items: stretch;
  }

  .page-disclaimer .agreement-routes__link {
    justify-content: center;
  }

  .page-disclaimer .stamp {
    padding: .85rem 1.4rem .9rem 1.1rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-disclaimer .stamp__hint,
  .page-disclaimer .clause__num,
  .page-disclaimer .agreement-routes__link,
  .page-disclaimer .breadcrumb a {
    transition: none;
  }

  .page-disclaimer .stamp__hint {
    transform: none;
  }
}